Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1 | # $Id: configure.ac,v 1.583 2014/08/26 20:32:01 djm Exp $ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2 | # |
| 3 | # Copyright (c) 1999-2004 Damien Miller |
| 4 | # |
| 5 | # Permission to use, copy, modify, and distribute this software for any |
| 6 | # purpose with or without fee is hereby granted, provided that the above |
| 7 | # copyright notice and this permission notice appear in all copies. |
| 8 | # |
| 9 | # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 10 | # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 11 | # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 12 | # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 13 | # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 14 | # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 15 | # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 16 | |
| 17 | AC_INIT([OpenSSH], [Portable], [openssh-unix-dev@mindrot.org]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 18 | AC_REVISION($Revision: 1.583 $) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 19 | AC_CONFIG_SRCDIR([ssh.c]) |
| 20 | AC_LANG([C]) |
| 21 | |
| 22 | AC_CONFIG_HEADER([config.h]) |
| 23 | AC_PROG_CC |
| 24 | AC_CANONICAL_HOST |
| 25 | AC_C_BIGENDIAN |
| 26 | |
| 27 | # Checks for programs. |
| 28 | AC_PROG_AWK |
| 29 | AC_PROG_CPP |
| 30 | AC_PROG_RANLIB |
| 31 | AC_PROG_INSTALL |
| 32 | AC_PROG_EGREP |
| 33 | AC_PATH_PROG([AR], [ar]) |
| 34 | AC_PATH_PROG([CAT], [cat]) |
| 35 | AC_PATH_PROG([KILL], [kill]) |
| 36 | AC_PATH_PROGS([PERL], [perl5 perl]) |
| 37 | AC_PATH_PROG([SED], [sed]) |
| 38 | AC_SUBST([PERL]) |
| 39 | AC_PATH_PROG([ENT], [ent]) |
| 40 | AC_SUBST([ENT]) |
| 41 | AC_PATH_PROG([TEST_MINUS_S_SH], [bash]) |
| 42 | AC_PATH_PROG([TEST_MINUS_S_SH], [ksh]) |
| 43 | AC_PATH_PROG([TEST_MINUS_S_SH], [sh]) |
| 44 | AC_PATH_PROG([SH], [sh]) |
| 45 | AC_PATH_PROG([GROFF], [groff]) |
| 46 | AC_PATH_PROG([NROFF], [nroff]) |
| 47 | AC_PATH_PROG([MANDOC], [mandoc]) |
| 48 | AC_SUBST([TEST_SHELL], [sh]) |
| 49 | |
| 50 | dnl select manpage formatter |
| 51 | if test "x$MANDOC" != "x" ; then |
| 52 | MANFMT="$MANDOC" |
| 53 | elif test "x$NROFF" != "x" ; then |
| 54 | MANFMT="$NROFF -mandoc" |
| 55 | elif test "x$GROFF" != "x" ; then |
| 56 | MANFMT="$GROFF -mandoc -Tascii" |
| 57 | else |
| 58 | AC_MSG_WARN([no manpage formatted found]) |
| 59 | MANFMT="false" |
| 60 | fi |
| 61 | AC_SUBST([MANFMT]) |
| 62 | |
| 63 | dnl for buildpkg.sh |
| 64 | AC_PATH_PROG([PATH_GROUPADD_PROG], [groupadd], [groupadd], |
| 65 | [/usr/sbin${PATH_SEPARATOR}/etc]) |
| 66 | AC_PATH_PROG([PATH_USERADD_PROG], [useradd], [useradd], |
| 67 | [/usr/sbin${PATH_SEPARATOR}/etc]) |
| 68 | AC_CHECK_PROG([MAKE_PACKAGE_SUPPORTED], [pkgmk], [yes], [no]) |
| 69 | if test -x /sbin/sh; then |
| 70 | AC_SUBST([STARTUP_SCRIPT_SHELL], [/sbin/sh]) |
| 71 | else |
| 72 | AC_SUBST([STARTUP_SCRIPT_SHELL], [/bin/sh]) |
| 73 | fi |
| 74 | |
| 75 | # System features |
| 76 | AC_SYS_LARGEFILE |
| 77 | |
| 78 | if test -z "$AR" ; then |
| 79 | AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***]) |
| 80 | fi |
| 81 | |
| 82 | # Use LOGIN_PROGRAM from environment if possible |
| 83 | if test ! -z "$LOGIN_PROGRAM" ; then |
| 84 | AC_DEFINE_UNQUOTED([LOGIN_PROGRAM_FALLBACK], ["$LOGIN_PROGRAM"], |
| 85 | [If your header files don't define LOGIN_PROGRAM, |
| 86 | then use this (detected) from environment and PATH]) |
| 87 | else |
| 88 | # Search for login |
| 89 | AC_PATH_PROG([LOGIN_PROGRAM_FALLBACK], [login]) |
| 90 | if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then |
| 91 | AC_DEFINE_UNQUOTED([LOGIN_PROGRAM_FALLBACK], ["$LOGIN_PROGRAM_FALLBACK"]) |
| 92 | fi |
| 93 | fi |
| 94 | |
| 95 | AC_PATH_PROG([PATH_PASSWD_PROG], [passwd]) |
| 96 | if test ! -z "$PATH_PASSWD_PROG" ; then |
| 97 | AC_DEFINE_UNQUOTED([_PATH_PASSWD_PROG], ["$PATH_PASSWD_PROG"], |
| 98 | [Full path of your "passwd" program]) |
| 99 | fi |
| 100 | |
| 101 | if test -z "$LD" ; then |
| 102 | LD=$CC |
| 103 | fi |
| 104 | AC_SUBST([LD]) |
| 105 | |
| 106 | AC_C_INLINE |
| 107 | |
| 108 | AC_CHECK_DECL([LLONG_MAX], [have_llong_max=1], , [#include <limits.h>]) |
| 109 | AC_CHECK_DECL([SYSTR_POLICY_KILL], [have_systr_policy_kill=1], , [ |
| 110 | #include <sys/types.h> |
| 111 | #include <sys/param.h> |
| 112 | #include <dev/systrace.h> |
| 113 | ]) |
| 114 | AC_CHECK_DECL([RLIMIT_NPROC], |
| 115 | [AC_DEFINE([HAVE_RLIMIT_NPROC], [], [sys/resource.h has RLIMIT_NPROC])], , [ |
| 116 | #include <sys/types.h> |
| 117 | #include <sys/resource.h> |
| 118 | ]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 119 | AC_CHECK_DECL([PR_SET_NO_NEW_PRIVS], [have_linux_no_new_privs=1], , [ |
| 120 | #include <sys/types.h> |
| 121 | #include <linux/prctl.h> |
| 122 | ]) |
| 123 | |
| 124 | openssl=yes |
| 125 | ssh1=yes |
| 126 | AC_ARG_WITH([openssl], |
| 127 | [ --without-openssl Disable use of OpenSSL; use only limited internal crypto **EXPERIMENTAL** ], |
| 128 | [ if test "x$withval" = "xno" ; then |
| 129 | openssl=no |
| 130 | ssh1=no |
| 131 | fi |
| 132 | ] |
| 133 | ) |
| 134 | AC_MSG_CHECKING([whether OpenSSL will be used for cryptography]) |
| 135 | if test "x$openssl" = "xyes" ; then |
| 136 | AC_MSG_RESULT([yes]) |
| 137 | AC_DEFINE_UNQUOTED([WITH_OPENSSL], [1], [use libcrypto for cryptography]) |
| 138 | else |
| 139 | AC_MSG_RESULT([no]) |
| 140 | fi |
| 141 | |
| 142 | AC_ARG_WITH([ssh1], |
| 143 | [ --without-ssh1 Disable support for SSH protocol 1], |
| 144 | [ |
| 145 | if test "x$withval" = "xno" ; then |
| 146 | ssh1=no |
| 147 | elif test "x$openssl" = "xno" ; then |
| 148 | AC_MSG_ERROR([Cannot enable SSH protocol 1 with OpenSSL disabled]) |
| 149 | fi |
| 150 | ] |
| 151 | ) |
| 152 | AC_MSG_CHECKING([whether SSH protocol 1 support is enabled]) |
| 153 | if test "x$ssh1" = "xyes" ; then |
| 154 | AC_MSG_RESULT([yes]) |
| 155 | AC_DEFINE_UNQUOTED([WITH_SSH1], [1], [include SSH protocol version 1 support]) |
| 156 | else |
| 157 | AC_MSG_RESULT([no]) |
| 158 | fi |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 159 | |
| 160 | use_stack_protector=1 |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 161 | use_toolchain_hardening=1 |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 162 | AC_ARG_WITH([stackprotect], |
| 163 | [ --without-stackprotect Don't use compiler's stack protection], [ |
| 164 | if test "x$withval" = "xno"; then |
| 165 | use_stack_protector=0 |
| 166 | fi ]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 167 | AC_ARG_WITH([hardening], |
| 168 | [ --without-hardening Don't use toolchain hardening flags], [ |
| 169 | if test "x$withval" = "xno"; then |
| 170 | use_toolchain_hardening=0 |
| 171 | fi ]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 172 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 173 | # We use -Werror for the tests only so that we catch warnings like "this is |
| 174 | # on by default" for things like -fPIE. |
| 175 | AC_MSG_CHECKING([if $CC supports -Werror]) |
| 176 | saved_CFLAGS="$CFLAGS" |
| 177 | CFLAGS="$CFLAGS -Werror" |
| 178 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int main(void) { return 0; }]])], |
| 179 | [ AC_MSG_RESULT([yes]) |
| 180 | WERROR="-Werror"], |
| 181 | [ AC_MSG_RESULT([no]) |
| 182 | WERROR="" ] |
| 183 | ) |
| 184 | CFLAGS="$saved_CFLAGS" |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 185 | |
| 186 | if test "$GCC" = "yes" || test "$GCC" = "egcs"; then |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 187 | OSSH_CHECK_CFLAG_COMPILE([-Qunused-arguments]) |
| 188 | OSSH_CHECK_CFLAG_COMPILE([-Wunknown-warning-option]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 189 | OSSH_CHECK_CFLAG_COMPILE([-Wall]) |
| 190 | OSSH_CHECK_CFLAG_COMPILE([-Wpointer-arith]) |
| 191 | OSSH_CHECK_CFLAG_COMPILE([-Wuninitialized]) |
| 192 | OSSH_CHECK_CFLAG_COMPILE([-Wsign-compare]) |
| 193 | OSSH_CHECK_CFLAG_COMPILE([-Wformat-security]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 194 | OSSH_CHECK_CFLAG_COMPILE([-Wsizeof-pointer-memaccess]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 195 | OSSH_CHECK_CFLAG_COMPILE([-Wpointer-sign], [-Wno-pointer-sign]) |
| 196 | OSSH_CHECK_CFLAG_COMPILE([-Wunused-result], [-Wno-unused-result]) |
| 197 | OSSH_CHECK_CFLAG_COMPILE([-fno-strict-aliasing]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 198 | OSSH_CHECK_CFLAG_COMPILE([-D_FORTIFY_SOURCE=2]) |
| 199 | if test "x$use_toolchain_hardening" = "x1"; then |
| 200 | OSSH_CHECK_LDFLAG_LINK([-Wl,-z,relro]) |
| 201 | OSSH_CHECK_LDFLAG_LINK([-Wl,-z,now]) |
| 202 | OSSH_CHECK_LDFLAG_LINK([-Wl,-z,noexecstack]) |
| 203 | # NB. -ftrapv expects certain support functions to be present in |
| 204 | # the compiler library (libgcc or similar) to detect integer operations |
| 205 | # that can overflow. We must check that the result of enabling it |
| 206 | # actually links. The test program compiled/linked includes a number |
| 207 | # of integer operations that should exercise this. |
| 208 | OSSH_CHECK_CFLAG_LINK([-ftrapv]) |
| 209 | fi |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 210 | AC_MSG_CHECKING([gcc version]) |
| 211 | GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'` |
| 212 | case $GCC_VER in |
| 213 | 1.*) no_attrib_nonnull=1 ;; |
| 214 | 2.8* | 2.9*) |
| 215 | no_attrib_nonnull=1 |
| 216 | ;; |
| 217 | 2.*) no_attrib_nonnull=1 ;; |
| 218 | *) ;; |
| 219 | esac |
| 220 | AC_MSG_RESULT([$GCC_VER]) |
| 221 | |
| 222 | AC_MSG_CHECKING([if $CC accepts -fno-builtin-memset]) |
| 223 | saved_CFLAGS="$CFLAGS" |
| 224 | CFLAGS="$CFLAGS -fno-builtin-memset" |
| 225 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <string.h> ]], |
| 226 | [[ char b[10]; memset(b, 0, sizeof(b)); ]])], |
| 227 | [ AC_MSG_RESULT([yes]) ], |
| 228 | [ AC_MSG_RESULT([no]) |
| 229 | CFLAGS="$saved_CFLAGS" ] |
| 230 | ) |
| 231 | |
| 232 | # -fstack-protector-all doesn't always work for some GCC versions |
| 233 | # and/or platforms, so we test if we can. If it's not supported |
| 234 | # on a given platform gcc will emit a warning so we use -Werror. |
| 235 | if test "x$use_stack_protector" = "x1"; then |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 236 | for t in -fstack-protector-strong -fstack-protector-all \ |
| 237 | -fstack-protector; do |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 238 | AC_MSG_CHECKING([if $CC supports $t]) |
| 239 | saved_CFLAGS="$CFLAGS" |
| 240 | saved_LDFLAGS="$LDFLAGS" |
| 241 | CFLAGS="$CFLAGS $t -Werror" |
| 242 | LDFLAGS="$LDFLAGS $t -Werror" |
| 243 | AC_LINK_IFELSE( |
| 244 | [AC_LANG_PROGRAM([[ #include <stdio.h> ]], |
| 245 | [[ |
| 246 | char x[256]; |
| 247 | snprintf(x, sizeof(x), "XXX"); |
| 248 | ]])], |
| 249 | [ AC_MSG_RESULT([yes]) |
| 250 | CFLAGS="$saved_CFLAGS $t" |
| 251 | LDFLAGS="$saved_LDFLAGS $t" |
| 252 | AC_MSG_CHECKING([if $t works]) |
| 253 | AC_RUN_IFELSE( |
| 254 | [AC_LANG_PROGRAM([[ #include <stdio.h> ]], |
| 255 | [[ |
| 256 | char x[256]; |
| 257 | snprintf(x, sizeof(x), "XXX"); |
| 258 | ]])], |
| 259 | [ AC_MSG_RESULT([yes]) |
| 260 | break ], |
| 261 | [ AC_MSG_RESULT([no]) ], |
| 262 | [ AC_MSG_WARN([cross compiling: cannot test]) |
| 263 | break ] |
| 264 | ) |
| 265 | ], |
| 266 | [ AC_MSG_RESULT([no]) ] |
| 267 | ) |
| 268 | CFLAGS="$saved_CFLAGS" |
| 269 | LDFLAGS="$saved_LDFLAGS" |
| 270 | done |
| 271 | fi |
| 272 | |
| 273 | if test -z "$have_llong_max"; then |
| 274 | # retry LLONG_MAX with -std=gnu99, needed on some Linuxes |
| 275 | unset ac_cv_have_decl_LLONG_MAX |
| 276 | saved_CFLAGS="$CFLAGS" |
| 277 | CFLAGS="$CFLAGS -std=gnu99" |
| 278 | AC_CHECK_DECL([LLONG_MAX], |
| 279 | [have_llong_max=1], |
| 280 | [CFLAGS="$saved_CFLAGS"], |
| 281 | [#include <limits.h>] |
| 282 | ) |
| 283 | fi |
| 284 | fi |
| 285 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 286 | AC_MSG_CHECKING([if compiler allows __attribute__ on return types]) |
| 287 | AC_COMPILE_IFELSE( |
| 288 | [AC_LANG_PROGRAM([[ |
| 289 | #include <stdlib.h> |
| 290 | __attribute__((__unused__)) static void foo(void){return;}]], |
| 291 | [[ exit(0); ]])], |
| 292 | [ AC_MSG_RESULT([yes]) ], |
| 293 | [ AC_MSG_RESULT([no]) |
| 294 | AC_DEFINE(NO_ATTRIBUTE_ON_RETURN_TYPE, 1, |
| 295 | [compiler does not accept __attribute__ on return types]) ] |
| 296 | ) |
| 297 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 298 | if test "x$no_attrib_nonnull" != "x1" ; then |
| 299 | AC_DEFINE([HAVE_ATTRIBUTE__NONNULL__], [1], [Have attribute nonnull]) |
| 300 | fi |
| 301 | |
| 302 | AC_ARG_WITH([rpath], |
| 303 | [ --without-rpath Disable auto-added -R linker paths], |
| 304 | [ |
| 305 | if test "x$withval" = "xno" ; then |
| 306 | need_dash_r="" |
| 307 | fi |
| 308 | if test "x$withval" = "xyes" ; then |
| 309 | need_dash_r=1 |
| 310 | fi |
| 311 | ] |
| 312 | ) |
| 313 | |
| 314 | # Allow user to specify flags |
| 315 | AC_ARG_WITH([cflags], |
| 316 | [ --with-cflags Specify additional flags to pass to compiler], |
| 317 | [ |
| 318 | if test -n "$withval" && test "x$withval" != "xno" && \ |
| 319 | test "x${withval}" != "xyes"; then |
| 320 | CFLAGS="$CFLAGS $withval" |
| 321 | fi |
| 322 | ] |
| 323 | ) |
| 324 | AC_ARG_WITH([cppflags], |
| 325 | [ --with-cppflags Specify additional flags to pass to preprocessor] , |
| 326 | [ |
| 327 | if test -n "$withval" && test "x$withval" != "xno" && \ |
| 328 | test "x${withval}" != "xyes"; then |
| 329 | CPPFLAGS="$CPPFLAGS $withval" |
| 330 | fi |
| 331 | ] |
| 332 | ) |
| 333 | AC_ARG_WITH([ldflags], |
| 334 | [ --with-ldflags Specify additional flags to pass to linker], |
| 335 | [ |
| 336 | if test -n "$withval" && test "x$withval" != "xno" && \ |
| 337 | test "x${withval}" != "xyes"; then |
| 338 | LDFLAGS="$LDFLAGS $withval" |
| 339 | fi |
| 340 | ] |
| 341 | ) |
| 342 | AC_ARG_WITH([libs], |
| 343 | [ --with-libs Specify additional libraries to link with], |
| 344 | [ |
| 345 | if test -n "$withval" && test "x$withval" != "xno" && \ |
| 346 | test "x${withval}" != "xyes"; then |
| 347 | LIBS="$LIBS $withval" |
| 348 | fi |
| 349 | ] |
| 350 | ) |
| 351 | AC_ARG_WITH([Werror], |
| 352 | [ --with-Werror Build main code with -Werror], |
| 353 | [ |
| 354 | if test -n "$withval" && test "x$withval" != "xno"; then |
| 355 | werror_flags="-Werror" |
| 356 | if test "x${withval}" != "xyes"; then |
| 357 | werror_flags="$withval" |
| 358 | fi |
| 359 | fi |
| 360 | ] |
| 361 | ) |
| 362 | |
| 363 | AC_CHECK_HEADERS([ \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 364 | blf.h \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 365 | bstring.h \ |
| 366 | crypt.h \ |
| 367 | crypto/sha2.h \ |
| 368 | dirent.h \ |
| 369 | endian.h \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 370 | elf.h \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 371 | features.h \ |
| 372 | fcntl.h \ |
| 373 | floatingpoint.h \ |
| 374 | getopt.h \ |
| 375 | glob.h \ |
| 376 | ia.h \ |
| 377 | iaf.h \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 378 | inttypes.h \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 379 | limits.h \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 380 | locale.h \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 381 | login.h \ |
| 382 | maillock.h \ |
| 383 | ndir.h \ |
| 384 | net/if_tun.h \ |
| 385 | netdb.h \ |
| 386 | netgroup.h \ |
| 387 | pam/pam_appl.h \ |
| 388 | paths.h \ |
| 389 | poll.h \ |
| 390 | pty.h \ |
| 391 | readpassphrase.h \ |
| 392 | rpc/types.h \ |
| 393 | security/pam_appl.h \ |
| 394 | sha2.h \ |
| 395 | shadow.h \ |
| 396 | stddef.h \ |
| 397 | stdint.h \ |
| 398 | string.h \ |
| 399 | strings.h \ |
| 400 | sys/audit.h \ |
| 401 | sys/bitypes.h \ |
| 402 | sys/bsdtty.h \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 403 | sys/capability.h \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 404 | sys/cdefs.h \ |
| 405 | sys/dir.h \ |
| 406 | sys/mman.h \ |
| 407 | sys/ndir.h \ |
| 408 | sys/poll.h \ |
| 409 | sys/prctl.h \ |
| 410 | sys/pstat.h \ |
| 411 | sys/select.h \ |
| 412 | sys/stat.h \ |
| 413 | sys/stream.h \ |
| 414 | sys/stropts.h \ |
| 415 | sys/strtio.h \ |
| 416 | sys/statvfs.h \ |
| 417 | sys/sysmacros.h \ |
| 418 | sys/time.h \ |
| 419 | sys/timers.h \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 420 | time.h \ |
| 421 | tmpdir.h \ |
| 422 | ttyent.h \ |
| 423 | ucred.h \ |
| 424 | unistd.h \ |
| 425 | usersec.h \ |
| 426 | util.h \ |
| 427 | utime.h \ |
| 428 | utmp.h \ |
| 429 | utmpx.h \ |
| 430 | vis.h \ |
| 431 | ]) |
| 432 | |
| 433 | # lastlog.h requires sys/time.h to be included first on Solaris |
| 434 | AC_CHECK_HEADERS([lastlog.h], [], [], [ |
| 435 | #ifdef HAVE_SYS_TIME_H |
| 436 | # include <sys/time.h> |
| 437 | #endif |
| 438 | ]) |
| 439 | |
| 440 | # sys/ptms.h requires sys/stream.h to be included first on Solaris |
| 441 | AC_CHECK_HEADERS([sys/ptms.h], [], [], [ |
| 442 | #ifdef HAVE_SYS_STREAM_H |
| 443 | # include <sys/stream.h> |
| 444 | #endif |
| 445 | ]) |
| 446 | |
| 447 | # login_cap.h requires sys/types.h on NetBSD |
| 448 | AC_CHECK_HEADERS([login_cap.h], [], [], [ |
| 449 | #include <sys/types.h> |
| 450 | ]) |
| 451 | |
| 452 | # older BSDs need sys/param.h before sys/mount.h |
| 453 | AC_CHECK_HEADERS([sys/mount.h], [], [], [ |
| 454 | #include <sys/param.h> |
| 455 | ]) |
| 456 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 457 | # Android requires sys/socket.h to be included before sys/un.h |
| 458 | AC_CHECK_HEADERS([sys/un.h], [], [], [ |
| 459 | #include <sys/types.h> |
| 460 | #include <sys/socket.h> |
| 461 | ]) |
| 462 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 463 | # Messages for features tested for in target-specific section |
| 464 | SIA_MSG="no" |
| 465 | SPC_MSG="no" |
| 466 | SP_MSG="no" |
| 467 | |
| 468 | # Check for some target-specific stuff |
| 469 | case "$host" in |
| 470 | *-*-aix*) |
| 471 | # Some versions of VAC won't allow macro redefinitions at |
| 472 | # -qlanglevel=ansi, and autoconf 2.60 sometimes insists on using that |
| 473 | # particularly with older versions of vac or xlc. |
| 474 | # It also throws errors about null macro argments, but these are |
| 475 | # not fatal. |
| 476 | AC_MSG_CHECKING([if compiler allows macro redefinitions]) |
| 477 | AC_COMPILE_IFELSE( |
| 478 | [AC_LANG_PROGRAM([[ |
| 479 | #define testmacro foo |
| 480 | #define testmacro bar]], |
| 481 | [[ exit(0); ]])], |
| 482 | [ AC_MSG_RESULT([yes]) ], |
| 483 | [ AC_MSG_RESULT([no]) |
| 484 | CC="`echo $CC | sed 's/-qlanglvl\=ansi//g'`" |
| 485 | LD="`echo $LD | sed 's/-qlanglvl\=ansi//g'`" |
| 486 | CFLAGS="`echo $CFLAGS | sed 's/-qlanglvl\=ansi//g'`" |
| 487 | CPPFLAGS="`echo $CPPFLAGS | sed 's/-qlanglvl\=ansi//g'`" |
| 488 | ] |
| 489 | ) |
| 490 | |
| 491 | AC_MSG_CHECKING([how to specify blibpath for linker ($LD)]) |
| 492 | if (test -z "$blibpath"); then |
| 493 | blibpath="/usr/lib:/lib" |
| 494 | fi |
| 495 | saved_LDFLAGS="$LDFLAGS" |
| 496 | if test "$GCC" = "yes"; then |
| 497 | flags="-Wl,-blibpath: -Wl,-rpath, -blibpath:" |
| 498 | else |
| 499 | flags="-blibpath: -Wl,-blibpath: -Wl,-rpath," |
| 500 | fi |
| 501 | for tryflags in $flags ;do |
| 502 | if (test -z "$blibflags"); then |
| 503 | LDFLAGS="$saved_LDFLAGS $tryflags$blibpath" |
| 504 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])], |
| 505 | [blibflags=$tryflags], []) |
| 506 | fi |
| 507 | done |
| 508 | if (test -z "$blibflags"); then |
| 509 | AC_MSG_RESULT([not found]) |
| 510 | AC_MSG_ERROR([*** must be able to specify blibpath on AIX - check config.log]) |
| 511 | else |
| 512 | AC_MSG_RESULT([$blibflags]) |
| 513 | fi |
| 514 | LDFLAGS="$saved_LDFLAGS" |
| 515 | dnl Check for authenticate. Might be in libs.a on older AIXes |
| 516 | AC_CHECK_FUNC([authenticate], [AC_DEFINE([WITH_AIXAUTHENTICATE], [1], |
| 517 | [Define if you want to enable AIX4's authenticate function])], |
| 518 | [AC_CHECK_LIB([s], [authenticate], |
| 519 | [ AC_DEFINE([WITH_AIXAUTHENTICATE]) |
| 520 | LIBS="$LIBS -ls" |
| 521 | ]) |
| 522 | ]) |
| 523 | dnl Check for various auth function declarations in headers. |
| 524 | AC_CHECK_DECLS([authenticate, loginrestrictions, loginsuccess, |
| 525 | passwdexpired, setauthdb], , , [#include <usersec.h>]) |
| 526 | dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2) |
| 527 | AC_CHECK_DECLS([loginfailed], |
| 528 | [AC_MSG_CHECKING([if loginfailed takes 4 arguments]) |
| 529 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <usersec.h> ]], |
| 530 | [[ (void)loginfailed("user","host","tty",0); ]])], |
| 531 | [AC_MSG_RESULT([yes]) |
| 532 | AC_DEFINE([AIX_LOGINFAILED_4ARG], [1], |
| 533 | [Define if your AIX loginfailed() function |
| 534 | takes 4 arguments (AIX >= 5.2)])], [AC_MSG_RESULT([no]) |
| 535 | ])], |
| 536 | [], |
| 537 | [#include <usersec.h>] |
| 538 | ) |
| 539 | AC_CHECK_FUNCS([getgrset setauthdb]) |
| 540 | AC_CHECK_DECL([F_CLOSEM], |
| 541 | AC_DEFINE([HAVE_FCNTL_CLOSEM], [1], [Use F_CLOSEM fcntl for closefrom]), |
| 542 | [], |
| 543 | [ #include <limits.h> |
| 544 | #include <fcntl.h> ] |
| 545 | ) |
| 546 | check_for_aix_broken_getaddrinfo=1 |
| 547 | AC_DEFINE([BROKEN_REALPATH], [1], [Define if you have a broken realpath.]) |
| 548 | AC_DEFINE([SETEUID_BREAKS_SETUID], [1], |
| 549 | [Define if your platform breaks doing a seteuid before a setuid]) |
| 550 | AC_DEFINE([BROKEN_SETREUID], [1], [Define if your setreuid() is broken]) |
| 551 | AC_DEFINE([BROKEN_SETREGID], [1], [Define if your setregid() is broken]) |
| 552 | dnl AIX handles lastlog as part of its login message |
| 553 | AC_DEFINE([DISABLE_LASTLOG], [1], [Define if you don't want to use lastlog]) |
| 554 | AC_DEFINE([LOGIN_NEEDS_UTMPX], [1], |
| 555 | [Some systems need a utmpx entry for /bin/login to work]) |
| 556 | AC_DEFINE([SPT_TYPE], [SPT_REUSEARGV], |
| 557 | [Define to a Set Process Title type if your system is |
| 558 | supported by bsd-setproctitle.c]) |
| 559 | AC_DEFINE([SSHPAM_CHAUTHTOK_NEEDS_RUID], [1], |
| 560 | [AIX 5.2 and 5.3 (and presumably newer) require this]) |
| 561 | AC_DEFINE([PTY_ZEROREAD], [1], [read(1) can return 0 for a non-closed fd]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 562 | AC_DEFINE([PLATFORM_SYS_DIR_UID], 2, [System dirs owned by bin (uid 2)]) |
| 563 | ;; |
| 564 | *-*-android*) |
| 565 | AC_DEFINE([DISABLE_UTMP], [1], [Define if you don't want to use utmp]) |
| 566 | AC_DEFINE([DISABLE_WTMP], [1], [Define if you don't want to use wtmp]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 567 | ;; |
| 568 | *-*-cygwin*) |
| 569 | check_for_libcrypt_later=1 |
| 570 | LIBS="$LIBS /usr/lib/textreadmode.o" |
| 571 | AC_DEFINE([HAVE_CYGWIN], [1], [Define if you are on Cygwin]) |
| 572 | AC_DEFINE([USE_PIPES], [1], [Use PIPES instead of a socketpair()]) |
| 573 | AC_DEFINE([DISABLE_SHADOW], [1], |
| 574 | [Define if you want to disable shadow passwords]) |
| 575 | AC_DEFINE([NO_X11_UNIX_SOCKETS], [1], |
| 576 | [Define if X11 doesn't support AF_UNIX sockets on that system]) |
| 577 | AC_DEFINE([NO_IPPORT_RESERVED_CONCEPT], [1], |
| 578 | [Define if the concept of ports only accessible to |
| 579 | superusers isn't known]) |
| 580 | AC_DEFINE([DISABLE_FD_PASSING], [1], |
| 581 | [Define if your platform needs to skip post auth |
| 582 | file descriptor passing]) |
| 583 | AC_DEFINE([SSH_IOBUFSZ], [65535], [Windows is sensitive to read buffer size]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 584 | AC_DEFINE([FILESYSTEM_NO_BACKSLASH], [1], [File names may not contain backslash characters]) |
| 585 | # Cygwin defines optargs, optargs as declspec(dllimport) for historical |
| 586 | # reasons which cause compile warnings, so we disable those warnings. |
| 587 | OSSH_CHECK_CFLAG_COMPILE([-Wno-attributes]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 588 | ;; |
| 589 | *-*-dgux*) |
| 590 | AC_DEFINE([IP_TOS_IS_BROKEN], [1], |
| 591 | [Define if your system choked on IP TOS setting]) |
| 592 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 593 | AC_DEFINE([BROKEN_SETREUID]) |
| 594 | AC_DEFINE([BROKEN_SETREGID]) |
| 595 | ;; |
| 596 | *-*-darwin*) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 597 | use_pie=auto |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 598 | AC_MSG_CHECKING([if we have working getaddrinfo]) |
| 599 | AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <mach-o/dyld.h> |
| 600 | main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16)) |
| 601 | exit(0); |
| 602 | else |
| 603 | exit(1); |
| 604 | } |
| 605 | ]])], |
| 606 | [AC_MSG_RESULT([working])], |
| 607 | [AC_MSG_RESULT([buggy]) |
| 608 | AC_DEFINE([BROKEN_GETADDRINFO], [1], |
| 609 | [getaddrinfo is broken (if present)]) |
| 610 | ], |
| 611 | [AC_MSG_RESULT([assume it is working])]) |
| 612 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 613 | AC_DEFINE([BROKEN_SETREUID]) |
| 614 | AC_DEFINE([BROKEN_SETREGID]) |
| 615 | AC_DEFINE([BROKEN_GLOB], [1], [OS X glob does not do what we expect]) |
| 616 | AC_DEFINE_UNQUOTED([BIND_8_COMPAT], [1], |
| 617 | [Define if your resolver libs need this for getrrsetbyname]) |
| 618 | AC_DEFINE([SSH_TUN_FREEBSD], [1], [Open tunnel devices the FreeBSD way]) |
| 619 | AC_DEFINE([SSH_TUN_COMPAT_AF], [1], |
| 620 | [Use tunnel device compatibility to OpenBSD]) |
| 621 | AC_DEFINE([SSH_TUN_PREPEND_AF], [1], |
| 622 | [Prepend the address family to IP tunnel traffic]) |
| 623 | m4_pattern_allow([AU_IPv]) |
| 624 | AC_CHECK_DECL([AU_IPv4], [], |
| 625 | AC_DEFINE([AU_IPv4], [0], [System only supports IPv4 audit records]) |
| 626 | [#include <bsm/audit.h>] |
| 627 | AC_DEFINE([LASTLOG_WRITE_PUTUTXLINE], [1], |
| 628 | [Define if pututxline updates lastlog too]) |
| 629 | ) |
| 630 | AC_DEFINE([SPT_TYPE], [SPT_REUSEARGV], |
| 631 | [Define to a Set Process Title type if your system is |
| 632 | supported by bsd-setproctitle.c]) |
| 633 | AC_CHECK_FUNCS([sandbox_init]) |
| 634 | AC_CHECK_HEADERS([sandbox.h]) |
| 635 | ;; |
| 636 | *-*-dragonfly*) |
| 637 | SSHDLIBS="$SSHDLIBS -lcrypt" |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 638 | TEST_MALLOC_OPTIONS="AFGJPRX" |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 639 | ;; |
| 640 | *-*-haiku*) |
| 641 | LIBS="$LIBS -lbsd " |
| 642 | AC_CHECK_LIB([network], [socket]) |
| 643 | AC_DEFINE([HAVE_U_INT64_T]) |
| 644 | MANTYPE=man |
| 645 | ;; |
| 646 | *-*-hpux*) |
| 647 | # first we define all of the options common to all HP-UX releases |
| 648 | CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1" |
| 649 | IPADDR_IN_DISPLAY=yes |
| 650 | AC_DEFINE([USE_PIPES]) |
| 651 | AC_DEFINE([LOGIN_NO_ENDOPT], [1], |
| 652 | [Define if your login program cannot handle end of options ("--")]) |
| 653 | AC_DEFINE([LOGIN_NEEDS_UTMPX]) |
| 654 | AC_DEFINE([LOCKED_PASSWD_STRING], ["*"], |
| 655 | [String used in /etc/passwd to denote locked account]) |
| 656 | AC_DEFINE([SPT_TYPE], [SPT_PSTAT]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 657 | AC_DEFINE([PLATFORM_SYS_DIR_UID], 2, [System dirs owned by bin (uid 2)]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 658 | maildir="/var/mail" |
| 659 | LIBS="$LIBS -lsec" |
| 660 | AC_CHECK_LIB([xnet], [t_error], , |
| 661 | [AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***])]) |
| 662 | |
| 663 | # next, we define all of the options specific to major releases |
| 664 | case "$host" in |
| 665 | *-*-hpux10*) |
| 666 | if test -z "$GCC"; then |
| 667 | CFLAGS="$CFLAGS -Ae" |
| 668 | fi |
| 669 | ;; |
| 670 | *-*-hpux11*) |
| 671 | AC_DEFINE([PAM_SUN_CODEBASE], [1], |
| 672 | [Define if you are using Solaris-derived PAM which |
| 673 | passes pam_messages to the conversation function |
| 674 | with an extra level of indirection]) |
| 675 | AC_DEFINE([DISABLE_UTMP], [1], |
| 676 | [Define if you don't want to use utmp]) |
| 677 | AC_DEFINE([USE_BTMP], [1], [Use btmp to log bad logins]) |
| 678 | check_for_hpux_broken_getaddrinfo=1 |
| 679 | check_for_conflicting_getspnam=1 |
| 680 | ;; |
| 681 | esac |
| 682 | |
| 683 | # lastly, we define options specific to minor releases |
| 684 | case "$host" in |
| 685 | *-*-hpux10.26) |
| 686 | AC_DEFINE([HAVE_SECUREWARE], [1], |
| 687 | [Define if you have SecureWare-based |
| 688 | protected password database]) |
| 689 | disable_ptmx_check=yes |
| 690 | LIBS="$LIBS -lsecpw" |
| 691 | ;; |
| 692 | esac |
| 693 | ;; |
| 694 | *-*-irix5*) |
| 695 | PATH="$PATH:/usr/etc" |
| 696 | AC_DEFINE([BROKEN_INET_NTOA], [1], |
| 697 | [Define if you system's inet_ntoa is busted |
| 698 | (e.g. Irix gcc issue)]) |
| 699 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 700 | AC_DEFINE([BROKEN_SETREUID]) |
| 701 | AC_DEFINE([BROKEN_SETREGID]) |
| 702 | AC_DEFINE([WITH_ABBREV_NO_TTY], [1], |
| 703 | [Define if you shouldn't strip 'tty' from your |
| 704 | ttyname in [uw]tmp]) |
| 705 | AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"]) |
| 706 | ;; |
| 707 | *-*-irix6*) |
| 708 | PATH="$PATH:/usr/etc" |
| 709 | AC_DEFINE([WITH_IRIX_ARRAY], [1], |
| 710 | [Define if you have/want arrays |
| 711 | (cluster-wide session managment, not C arrays)]) |
| 712 | AC_DEFINE([WITH_IRIX_PROJECT], [1], |
| 713 | [Define if you want IRIX project management]) |
| 714 | AC_DEFINE([WITH_IRIX_AUDIT], [1], |
| 715 | [Define if you want IRIX audit trails]) |
| 716 | AC_CHECK_FUNC([jlimit_startjob], [AC_DEFINE([WITH_IRIX_JOBS], [1], |
| 717 | [Define if you want IRIX kernel jobs])]) |
| 718 | AC_DEFINE([BROKEN_INET_NTOA]) |
| 719 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 720 | AC_DEFINE([BROKEN_SETREUID]) |
| 721 | AC_DEFINE([BROKEN_SETREGID]) |
| 722 | AC_DEFINE([BROKEN_UPDWTMPX], [1], [updwtmpx is broken (if present)]) |
| 723 | AC_DEFINE([WITH_ABBREV_NO_TTY]) |
| 724 | AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"]) |
| 725 | ;; |
| 726 | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) |
| 727 | check_for_libcrypt_later=1 |
| 728 | AC_DEFINE([PAM_TTY_KLUDGE]) |
| 729 | AC_DEFINE([LOCKED_PASSWD_PREFIX], ["!"]) |
| 730 | AC_DEFINE([SPT_TYPE], [SPT_REUSEARGV]) |
| 731 | AC_DEFINE([_PATH_BTMP], ["/var/log/btmp"], [log for bad login attempts]) |
| 732 | AC_DEFINE([USE_BTMP], [1], [Use btmp to log bad logins]) |
| 733 | ;; |
| 734 | *-*-linux*) |
| 735 | no_dev_ptmx=1 |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 736 | use_pie=auto |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 737 | check_for_libcrypt_later=1 |
| 738 | check_for_openpty_ctty_bug=1 |
| 739 | AC_DEFINE([PAM_TTY_KLUDGE], [1], |
| 740 | [Work around problematic Linux PAM modules handling of PAM_TTY]) |
| 741 | AC_DEFINE([LOCKED_PASSWD_PREFIX], ["!"], |
| 742 | [String used in /etc/passwd to denote locked account]) |
| 743 | AC_DEFINE([SPT_TYPE], [SPT_REUSEARGV]) |
| 744 | AC_DEFINE([LINK_OPNOTSUPP_ERRNO], [EPERM], |
| 745 | [Define to whatever link() returns for "not supported" |
| 746 | if it doesn't return EOPNOTSUPP.]) |
| 747 | AC_DEFINE([_PATH_BTMP], ["/var/log/btmp"], [log for bad login attempts]) |
| 748 | AC_DEFINE([USE_BTMP]) |
| 749 | AC_DEFINE([LINUX_OOM_ADJUST], [1], [Adjust Linux out-of-memory killer]) |
| 750 | inet6_default_4in6=yes |
| 751 | case `uname -r` in |
| 752 | 1.*|2.0.*) |
| 753 | AC_DEFINE([BROKEN_CMSG_TYPE], [1], |
| 754 | [Define if cmsg_type is not passed correctly]) |
| 755 | ;; |
| 756 | esac |
| 757 | # tun(4) forwarding compat code |
| 758 | AC_CHECK_HEADERS([linux/if_tun.h]) |
| 759 | if test "x$ac_cv_header_linux_if_tun_h" = "xyes" ; then |
| 760 | AC_DEFINE([SSH_TUN_LINUX], [1], |
| 761 | [Open tunnel devices the Linux tun/tap way]) |
| 762 | AC_DEFINE([SSH_TUN_COMPAT_AF], [1], |
| 763 | [Use tunnel device compatibility to OpenBSD]) |
| 764 | AC_DEFINE([SSH_TUN_PREPEND_AF], [1], |
| 765 | [Prepend the address family to IP tunnel traffic]) |
| 766 | fi |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 767 | AC_CHECK_HEADERS([linux/seccomp.h linux/filter.h linux/audit.h], [], |
| 768 | [], [#include <linux/types.h>]) |
| 769 | AC_CHECK_FUNCS([prctl]) |
| 770 | AC_MSG_CHECKING([for seccomp architecture]) |
| 771 | seccomp_audit_arch= |
| 772 | case "$host" in |
| 773 | x86_64-*) |
| 774 | seccomp_audit_arch=AUDIT_ARCH_X86_64 |
| 775 | ;; |
| 776 | i*86-*) |
| 777 | seccomp_audit_arch=AUDIT_ARCH_I386 |
| 778 | ;; |
| 779 | arm*-*) |
| 780 | seccomp_audit_arch=AUDIT_ARCH_ARM |
| 781 | ;; |
| 782 | esac |
| 783 | if test "x$seccomp_audit_arch" != "x" ; then |
| 784 | AC_MSG_RESULT(["$seccomp_audit_arch"]) |
| 785 | AC_DEFINE_UNQUOTED([SECCOMP_AUDIT_ARCH], [$seccomp_audit_arch], |
| 786 | [Specify the system call convention in use]) |
| 787 | else |
| 788 | AC_MSG_RESULT([architecture not supported]) |
| 789 | fi |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 790 | ;; |
| 791 | mips-sony-bsd|mips-sony-newsos4) |
| 792 | AC_DEFINE([NEED_SETPGRP], [1], [Need setpgrp to acquire controlling tty]) |
| 793 | SONY=1 |
| 794 | ;; |
| 795 | *-*-netbsd*) |
| 796 | check_for_libcrypt_before=1 |
| 797 | if test "x$withval" != "xno" ; then |
| 798 | need_dash_r=1 |
| 799 | fi |
| 800 | AC_DEFINE([SSH_TUN_FREEBSD], [1], [Open tunnel devices the FreeBSD way]) |
| 801 | AC_CHECK_HEADER([net/if_tap.h], , |
| 802 | AC_DEFINE([SSH_TUN_NO_L2], [1], [No layer 2 tunnel support])) |
| 803 | AC_DEFINE([SSH_TUN_PREPEND_AF], [1], |
| 804 | [Prepend the address family to IP tunnel traffic]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 805 | TEST_MALLOC_OPTIONS="AJRX" |
| 806 | AC_DEFINE([BROKEN_STRNVIS], [1], |
| 807 | [NetBSD strnvis argument order is swapped compared to OpenBSD]) |
| 808 | AC_DEFINE([BROKEN_READ_COMPARISON], [1], |
| 809 | [NetBSD read function is sometimes redirected, breaking atomicio comparisons against it]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 810 | ;; |
| 811 | *-*-freebsd*) |
| 812 | check_for_libcrypt_later=1 |
| 813 | AC_DEFINE([LOCKED_PASSWD_PREFIX], ["*LOCKED*"], [Account locked with pw(1)]) |
| 814 | AC_DEFINE([SSH_TUN_FREEBSD], [1], [Open tunnel devices the FreeBSD way]) |
| 815 | AC_CHECK_HEADER([net/if_tap.h], , |
| 816 | AC_DEFINE([SSH_TUN_NO_L2], [1], [No layer 2 tunnel support])) |
| 817 | AC_DEFINE([BROKEN_GLOB], [1], [FreeBSD glob does not do what we need]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 818 | AC_DEFINE([BROKEN_STRNVIS], [1], |
| 819 | [FreeBSD strnvis argument order is swapped compared to OpenBSD]) |
| 820 | TEST_MALLOC_OPTIONS="AJRX" |
| 821 | # Preauth crypto occasionally uses file descriptors for crypto offload |
| 822 | # and will crash if they cannot be opened. |
| 823 | AC_DEFINE([SANDBOX_SKIP_RLIMIT_NOFILE], [1], |
| 824 | [define if setrlimit RLIMIT_NOFILE breaks things]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 825 | ;; |
| 826 | *-*-bsdi*) |
| 827 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 828 | AC_DEFINE([BROKEN_SETREUID]) |
| 829 | AC_DEFINE([BROKEN_SETREGID]) |
| 830 | ;; |
| 831 | *-next-*) |
| 832 | conf_lastlog_location="/usr/adm/lastlog" |
| 833 | conf_utmp_location=/etc/utmp |
| 834 | conf_wtmp_location=/usr/adm/wtmp |
| 835 | maildir=/usr/spool/mail |
| 836 | AC_DEFINE([HAVE_NEXT], [1], [Define if you are on NeXT]) |
| 837 | AC_DEFINE([BROKEN_REALPATH]) |
| 838 | AC_DEFINE([USE_PIPES]) |
| 839 | AC_DEFINE([BROKEN_SAVED_UIDS], [1], [Needed for NeXT]) |
| 840 | ;; |
| 841 | *-*-openbsd*) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 842 | use_pie=auto |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 843 | AC_DEFINE([HAVE_ATTRIBUTE__SENTINEL__], [1], [OpenBSD's gcc has sentinel]) |
| 844 | AC_DEFINE([HAVE_ATTRIBUTE__BOUNDED__], [1], [OpenBSD's gcc has bounded]) |
| 845 | AC_DEFINE([SSH_TUN_OPENBSD], [1], [Open tunnel devices the OpenBSD way]) |
| 846 | AC_DEFINE([SYSLOG_R_SAFE_IN_SIGHAND], [1], |
| 847 | [syslog_r function is safe to use in in a signal handler]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 848 | TEST_MALLOC_OPTIONS="AFGJPRX" |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 849 | ;; |
| 850 | *-*-solaris*) |
| 851 | if test "x$withval" != "xno" ; then |
| 852 | need_dash_r=1 |
| 853 | fi |
| 854 | AC_DEFINE([PAM_SUN_CODEBASE]) |
| 855 | AC_DEFINE([LOGIN_NEEDS_UTMPX]) |
| 856 | AC_DEFINE([LOGIN_NEEDS_TERM], [1], |
| 857 | [Some versions of /bin/login need the TERM supplied |
| 858 | on the commandline]) |
| 859 | AC_DEFINE([PAM_TTY_KLUDGE]) |
| 860 | AC_DEFINE([SSHPAM_CHAUTHTOK_NEEDS_RUID], [1], |
| 861 | [Define if pam_chauthtok wants real uid set |
| 862 | to the unpriv'ed user]) |
| 863 | AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"]) |
| 864 | # Pushing STREAMS modules will cause sshd to acquire a controlling tty. |
| 865 | AC_DEFINE([SSHD_ACQUIRES_CTTY], [1], |
| 866 | [Define if sshd somehow reacquires a controlling TTY |
| 867 | after setsid()]) |
| 868 | AC_DEFINE([PASSWD_NEEDS_USERNAME], [1], [must supply username to passwd |
| 869 | in case the name is longer than 8 chars]) |
| 870 | AC_DEFINE([BROKEN_TCGETATTR_ICANON], [1], [tcgetattr with ICANON may hang]) |
| 871 | external_path_file=/etc/default/login |
| 872 | # hardwire lastlog location (can't detect it on some versions) |
| 873 | conf_lastlog_location="/var/adm/lastlog" |
| 874 | AC_MSG_CHECKING([for obsolete utmp and wtmp in solaris2.x]) |
| 875 | sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'` |
| 876 | if test "$sol2ver" -ge 8; then |
| 877 | AC_MSG_RESULT([yes]) |
| 878 | AC_DEFINE([DISABLE_UTMP]) |
| 879 | AC_DEFINE([DISABLE_WTMP], [1], |
| 880 | [Define if you don't want to use wtmp]) |
| 881 | else |
| 882 | AC_MSG_RESULT([no]) |
| 883 | fi |
| 884 | AC_ARG_WITH([solaris-contracts], |
| 885 | [ --with-solaris-contracts Enable Solaris process contracts (experimental)], |
| 886 | [ |
| 887 | AC_CHECK_LIB([contract], [ct_tmpl_activate], |
| 888 | [ AC_DEFINE([USE_SOLARIS_PROCESS_CONTRACTS], [1], |
| 889 | [Define if you have Solaris process contracts]) |
| 890 | SSHDLIBS="$SSHDLIBS -lcontract" |
| 891 | SPC_MSG="yes" ], ) |
| 892 | ], |
| 893 | ) |
| 894 | AC_ARG_WITH([solaris-projects], |
| 895 | [ --with-solaris-projects Enable Solaris projects (experimental)], |
| 896 | [ |
| 897 | AC_CHECK_LIB([project], [setproject], |
| 898 | [ AC_DEFINE([USE_SOLARIS_PROJECTS], [1], |
| 899 | [Define if you have Solaris projects]) |
| 900 | SSHDLIBS="$SSHDLIBS -lproject" |
| 901 | SP_MSG="yes" ], ) |
| 902 | ], |
| 903 | ) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 904 | TEST_SHELL=$SHELL # let configure find us a capable shell |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 905 | ;; |
| 906 | *-*-sunos4*) |
| 907 | CPPFLAGS="$CPPFLAGS -DSUNOS4" |
| 908 | AC_CHECK_FUNCS([getpwanam]) |
| 909 | AC_DEFINE([PAM_SUN_CODEBASE]) |
| 910 | conf_utmp_location=/etc/utmp |
| 911 | conf_wtmp_location=/var/adm/wtmp |
| 912 | conf_lastlog_location=/var/adm/lastlog |
| 913 | AC_DEFINE([USE_PIPES]) |
| 914 | ;; |
| 915 | *-ncr-sysv*) |
| 916 | LIBS="$LIBS -lc89" |
| 917 | AC_DEFINE([USE_PIPES]) |
| 918 | AC_DEFINE([SSHD_ACQUIRES_CTTY]) |
| 919 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 920 | AC_DEFINE([BROKEN_SETREUID]) |
| 921 | AC_DEFINE([BROKEN_SETREGID]) |
| 922 | ;; |
| 923 | *-sni-sysv*) |
| 924 | # /usr/ucblib MUST NOT be searched on ReliantUNIX |
| 925 | AC_CHECK_LIB([dl], [dlsym], ,) |
| 926 | # -lresolv needs to be at the end of LIBS or DNS lookups break |
| 927 | AC_CHECK_LIB([resolv], [res_query], [ LIBS="$LIBS -lresolv" ]) |
| 928 | IPADDR_IN_DISPLAY=yes |
| 929 | AC_DEFINE([USE_PIPES]) |
| 930 | AC_DEFINE([IP_TOS_IS_BROKEN]) |
| 931 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 932 | AC_DEFINE([BROKEN_SETREUID]) |
| 933 | AC_DEFINE([BROKEN_SETREGID]) |
| 934 | AC_DEFINE([SSHD_ACQUIRES_CTTY]) |
| 935 | external_path_file=/etc/default/login |
| 936 | # /usr/ucblib/libucb.a no longer needed on ReliantUNIX |
| 937 | # Attention: always take care to bind libsocket and libnsl before libc, |
| 938 | # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog |
| 939 | ;; |
| 940 | # UnixWare 1.x, UnixWare 2.x, and others based on code from Univel. |
| 941 | *-*-sysv4.2*) |
| 942 | AC_DEFINE([USE_PIPES]) |
| 943 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 944 | AC_DEFINE([BROKEN_SETREUID]) |
| 945 | AC_DEFINE([BROKEN_SETREGID]) |
| 946 | AC_DEFINE([PASSWD_NEEDS_USERNAME], [1], [must supply username to passwd]) |
| 947 | AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 948 | TEST_SHELL=$SHELL # let configure find us a capable shell |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 949 | ;; |
| 950 | # UnixWare 7.x, OpenUNIX 8 |
| 951 | *-*-sysv5*) |
| 952 | CPPFLAGS="$CPPFLAGS -Dvsnprintf=_xvsnprintf -Dsnprintf=_xsnprintf" |
| 953 | AC_DEFINE([UNIXWARE_LONG_PASSWORDS], [1], [Support passwords > 8 chars]) |
| 954 | AC_DEFINE([USE_PIPES]) |
| 955 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 956 | AC_DEFINE([BROKEN_GETADDRINFO]) |
| 957 | AC_DEFINE([BROKEN_SETREUID]) |
| 958 | AC_DEFINE([BROKEN_SETREGID]) |
| 959 | AC_DEFINE([PASSWD_NEEDS_USERNAME]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 960 | TEST_SHELL=$SHELL # let configure find us a capable shell |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 961 | case "$host" in |
| 962 | *-*-sysv5SCO_SV*) # SCO OpenServer 6.x |
| 963 | maildir=/var/spool/mail |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 964 | AC_DEFINE([BROKEN_LIBIAF], [1], |
| 965 | [ia_uinfo routines not supported by OS yet]) |
| 966 | AC_DEFINE([BROKEN_UPDWTMPX]) |
| 967 | AC_CHECK_LIB([prot], [getluid], [ LIBS="$LIBS -lprot" |
| 968 | AC_CHECK_FUNCS([getluid setluid], , , [-lprot]) |
| 969 | AC_DEFINE([HAVE_SECUREWARE]) |
| 970 | AC_DEFINE([DISABLE_SHADOW]) |
| 971 | ], , ) |
| 972 | ;; |
| 973 | *) AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"]) |
| 974 | check_for_libcrypt_later=1 |
| 975 | ;; |
| 976 | esac |
| 977 | ;; |
| 978 | *-*-sysv*) |
| 979 | ;; |
| 980 | # SCO UNIX and OEM versions of SCO UNIX |
| 981 | *-*-sco3.2v4*) |
| 982 | AC_MSG_ERROR("This Platform is no longer supported.") |
| 983 | ;; |
| 984 | # SCO OpenServer 5.x |
| 985 | *-*-sco3.2v5*) |
| 986 | if test -z "$GCC"; then |
| 987 | CFLAGS="$CFLAGS -belf" |
| 988 | fi |
| 989 | LIBS="$LIBS -lprot -lx -ltinfo -lm" |
| 990 | no_dev_ptmx=1 |
| 991 | AC_DEFINE([USE_PIPES]) |
| 992 | AC_DEFINE([HAVE_SECUREWARE]) |
| 993 | AC_DEFINE([DISABLE_SHADOW]) |
| 994 | AC_DEFINE([DISABLE_FD_PASSING]) |
| 995 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 996 | AC_DEFINE([BROKEN_GETADDRINFO]) |
| 997 | AC_DEFINE([BROKEN_SETREUID]) |
| 998 | AC_DEFINE([BROKEN_SETREGID]) |
| 999 | AC_DEFINE([WITH_ABBREV_NO_TTY]) |
| 1000 | AC_DEFINE([BROKEN_UPDWTMPX]) |
| 1001 | AC_DEFINE([PASSWD_NEEDS_USERNAME]) |
| 1002 | AC_CHECK_FUNCS([getluid setluid]) |
| 1003 | MANTYPE=man |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1004 | TEST_SHELL=$SHELL # let configure find us a capable shell |
| 1005 | SKIP_DISABLE_LASTLOG_DEFINE=yes |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1006 | ;; |
| 1007 | *-*-unicosmk*) |
| 1008 | AC_DEFINE([NO_SSH_LASTLOG], [1], |
| 1009 | [Define if you don't want to use lastlog in session.c]) |
| 1010 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 1011 | AC_DEFINE([BROKEN_SETREUID]) |
| 1012 | AC_DEFINE([BROKEN_SETREGID]) |
| 1013 | AC_DEFINE([USE_PIPES]) |
| 1014 | AC_DEFINE([DISABLE_FD_PASSING]) |
| 1015 | LDFLAGS="$LDFLAGS" |
| 1016 | LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm" |
| 1017 | MANTYPE=cat |
| 1018 | ;; |
| 1019 | *-*-unicosmp*) |
| 1020 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 1021 | AC_DEFINE([BROKEN_SETREUID]) |
| 1022 | AC_DEFINE([BROKEN_SETREGID]) |
| 1023 | AC_DEFINE([WITH_ABBREV_NO_TTY]) |
| 1024 | AC_DEFINE([USE_PIPES]) |
| 1025 | AC_DEFINE([DISABLE_FD_PASSING]) |
| 1026 | LDFLAGS="$LDFLAGS" |
| 1027 | LIBS="$LIBS -lgen -lacid -ldb" |
| 1028 | MANTYPE=cat |
| 1029 | ;; |
| 1030 | *-*-unicos*) |
| 1031 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 1032 | AC_DEFINE([BROKEN_SETREUID]) |
| 1033 | AC_DEFINE([BROKEN_SETREGID]) |
| 1034 | AC_DEFINE([USE_PIPES]) |
| 1035 | AC_DEFINE([DISABLE_FD_PASSING]) |
| 1036 | AC_DEFINE([NO_SSH_LASTLOG]) |
| 1037 | LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal" |
| 1038 | LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm" |
| 1039 | MANTYPE=cat |
| 1040 | ;; |
| 1041 | *-dec-osf*) |
| 1042 | AC_MSG_CHECKING([for Digital Unix SIA]) |
| 1043 | no_osfsia="" |
| 1044 | AC_ARG_WITH([osfsia], |
| 1045 | [ --with-osfsia Enable Digital Unix SIA], |
| 1046 | [ |
| 1047 | if test "x$withval" = "xno" ; then |
| 1048 | AC_MSG_RESULT([disabled]) |
| 1049 | no_osfsia=1 |
| 1050 | fi |
| 1051 | ], |
| 1052 | ) |
| 1053 | if test -z "$no_osfsia" ; then |
| 1054 | if test -f /etc/sia/matrix.conf; then |
| 1055 | AC_MSG_RESULT([yes]) |
| 1056 | AC_DEFINE([HAVE_OSF_SIA], [1], |
| 1057 | [Define if you have Digital Unix Security |
| 1058 | Integration Architecture]) |
| 1059 | AC_DEFINE([DISABLE_LOGIN], [1], |
| 1060 | [Define if you don't want to use your |
| 1061 | system's login() call]) |
| 1062 | AC_DEFINE([DISABLE_FD_PASSING]) |
| 1063 | LIBS="$LIBS -lsecurity -ldb -lm -laud" |
| 1064 | SIA_MSG="yes" |
| 1065 | else |
| 1066 | AC_MSG_RESULT([no]) |
| 1067 | AC_DEFINE([LOCKED_PASSWD_SUBSTR], ["Nologin"], |
| 1068 | [String used in /etc/passwd to denote locked account]) |
| 1069 | fi |
| 1070 | fi |
| 1071 | AC_DEFINE([BROKEN_GETADDRINFO]) |
| 1072 | AC_DEFINE([SETEUID_BREAKS_SETUID]) |
| 1073 | AC_DEFINE([BROKEN_SETREUID]) |
| 1074 | AC_DEFINE([BROKEN_SETREGID]) |
| 1075 | AC_DEFINE([BROKEN_READV_COMPARISON], [1], [Can't do comparisons on readv]) |
| 1076 | ;; |
| 1077 | |
| 1078 | *-*-nto-qnx*) |
| 1079 | AC_DEFINE([USE_PIPES]) |
| 1080 | AC_DEFINE([NO_X11_UNIX_SOCKETS]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1081 | AC_DEFINE([DISABLE_LASTLOG]) |
| 1082 | AC_DEFINE([SSHD_ACQUIRES_CTTY]) |
| 1083 | AC_DEFINE([BROKEN_SHADOW_EXPIRE], [1], [QNX shadow support is broken]) |
| 1084 | enable_etc_default_login=no # has incompatible /etc/default/login |
| 1085 | case "$host" in |
| 1086 | *-*-nto-qnx6*) |
| 1087 | AC_DEFINE([DISABLE_FD_PASSING]) |
| 1088 | ;; |
| 1089 | esac |
| 1090 | ;; |
| 1091 | |
| 1092 | *-*-ultrix*) |
| 1093 | AC_DEFINE([BROKEN_GETGROUPS], [1], [getgroups(0,NULL) will return -1]) |
| 1094 | AC_DEFINE([BROKEN_MMAP], [1], [Ultrix mmap can't map files]) |
| 1095 | AC_DEFINE([NEED_SETPGRP]) |
| 1096 | AC_DEFINE([HAVE_SYS_SYSLOG_H], [1], [Force use of sys/syslog.h on Ultrix]) |
| 1097 | ;; |
| 1098 | |
| 1099 | *-*-lynxos) |
| 1100 | CFLAGS="$CFLAGS -D__NO_INCLUDE_WARN__" |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1101 | AC_DEFINE([BROKEN_SETVBUF], [1], [LynxOS has broken setvbuf() implementation]) |
| 1102 | ;; |
| 1103 | esac |
| 1104 | |
| 1105 | AC_MSG_CHECKING([compiler and flags for sanity]) |
| 1106 | AC_RUN_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> ]], [[ exit(0); ]])], |
| 1107 | [ AC_MSG_RESULT([yes]) ], |
| 1108 | [ |
| 1109 | AC_MSG_RESULT([no]) |
| 1110 | AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***]) |
| 1111 | ], |
| 1112 | [ AC_MSG_WARN([cross compiling: not checking compiler sanity]) ] |
| 1113 | ) |
| 1114 | |
| 1115 | dnl Checks for header files. |
| 1116 | # Checks for libraries. |
| 1117 | AC_CHECK_FUNC([yp_match], , [AC_CHECK_LIB([nsl], [yp_match])]) |
| 1118 | AC_CHECK_FUNC([setsockopt], , [AC_CHECK_LIB([socket], [setsockopt])]) |
| 1119 | |
| 1120 | dnl IRIX and Solaris 2.5.1 have dirname() in libgen |
| 1121 | AC_CHECK_FUNCS([dirname], [AC_CHECK_HEADERS([libgen.h])] , [ |
| 1122 | AC_CHECK_LIB([gen], [dirname], [ |
| 1123 | AC_CACHE_CHECK([for broken dirname], |
| 1124 | ac_cv_have_broken_dirname, [ |
| 1125 | save_LIBS="$LIBS" |
| 1126 | LIBS="$LIBS -lgen" |
| 1127 | AC_RUN_IFELSE( |
| 1128 | [AC_LANG_SOURCE([[ |
| 1129 | #include <libgen.h> |
| 1130 | #include <string.h> |
| 1131 | |
| 1132 | int main(int argc, char **argv) { |
| 1133 | char *s, buf[32]; |
| 1134 | |
| 1135 | strncpy(buf,"/etc", 32); |
| 1136 | s = dirname(buf); |
| 1137 | if (!s || strncmp(s, "/", 32) != 0) { |
| 1138 | exit(1); |
| 1139 | } else { |
| 1140 | exit(0); |
| 1141 | } |
| 1142 | } |
| 1143 | ]])], |
| 1144 | [ ac_cv_have_broken_dirname="no" ], |
| 1145 | [ ac_cv_have_broken_dirname="yes" ], |
| 1146 | [ ac_cv_have_broken_dirname="no" ], |
| 1147 | ) |
| 1148 | LIBS="$save_LIBS" |
| 1149 | ]) |
| 1150 | if test "x$ac_cv_have_broken_dirname" = "xno" ; then |
| 1151 | LIBS="$LIBS -lgen" |
| 1152 | AC_DEFINE([HAVE_DIRNAME]) |
| 1153 | AC_CHECK_HEADERS([libgen.h]) |
| 1154 | fi |
| 1155 | ]) |
| 1156 | ]) |
| 1157 | |
| 1158 | AC_CHECK_FUNC([getspnam], , |
| 1159 | [AC_CHECK_LIB([gen], [getspnam], [LIBS="$LIBS -lgen"])]) |
| 1160 | AC_SEARCH_LIBS([basename], [gen], [AC_DEFINE([HAVE_BASENAME], [1], |
| 1161 | [Define if you have the basename function.])]) |
| 1162 | |
| 1163 | dnl zlib is required |
| 1164 | AC_ARG_WITH([zlib], |
| 1165 | [ --with-zlib=PATH Use zlib in PATH], |
| 1166 | [ if test "x$withval" = "xno" ; then |
| 1167 | AC_MSG_ERROR([*** zlib is required ***]) |
| 1168 | elif test "x$withval" != "xyes"; then |
| 1169 | if test -d "$withval/lib"; then |
| 1170 | if test -n "${need_dash_r}"; then |
| 1171 | LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}" |
| 1172 | else |
| 1173 | LDFLAGS="-L${withval}/lib ${LDFLAGS}" |
| 1174 | fi |
| 1175 | else |
| 1176 | if test -n "${need_dash_r}"; then |
| 1177 | LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}" |
| 1178 | else |
| 1179 | LDFLAGS="-L${withval} ${LDFLAGS}" |
| 1180 | fi |
| 1181 | fi |
| 1182 | if test -d "$withval/include"; then |
| 1183 | CPPFLAGS="-I${withval}/include ${CPPFLAGS}" |
| 1184 | else |
| 1185 | CPPFLAGS="-I${withval} ${CPPFLAGS}" |
| 1186 | fi |
| 1187 | fi ] |
| 1188 | ) |
| 1189 | |
| 1190 | AC_CHECK_HEADER([zlib.h], ,[AC_MSG_ERROR([*** zlib.h missing - please install first or check config.log ***])]) |
| 1191 | AC_CHECK_LIB([z], [deflate], , |
| 1192 | [ |
| 1193 | saved_CPPFLAGS="$CPPFLAGS" |
| 1194 | saved_LDFLAGS="$LDFLAGS" |
| 1195 | save_LIBS="$LIBS" |
| 1196 | dnl Check default zlib install dir |
| 1197 | if test -n "${need_dash_r}"; then |
| 1198 | LDFLAGS="-L/usr/local/lib -R/usr/local/lib ${saved_LDFLAGS}" |
| 1199 | else |
| 1200 | LDFLAGS="-L/usr/local/lib ${saved_LDFLAGS}" |
| 1201 | fi |
| 1202 | CPPFLAGS="-I/usr/local/include ${saved_CPPFLAGS}" |
| 1203 | LIBS="$LIBS -lz" |
| 1204 | AC_TRY_LINK_FUNC([deflate], [AC_DEFINE([HAVE_LIBZ])], |
| 1205 | [ |
| 1206 | AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]) |
| 1207 | ] |
| 1208 | ) |
| 1209 | ] |
| 1210 | ) |
| 1211 | |
| 1212 | AC_ARG_WITH([zlib-version-check], |
| 1213 | [ --without-zlib-version-check Disable zlib version check], |
| 1214 | [ if test "x$withval" = "xno" ; then |
| 1215 | zlib_check_nonfatal=1 |
| 1216 | fi |
| 1217 | ] |
| 1218 | ) |
| 1219 | |
| 1220 | AC_MSG_CHECKING([for possibly buggy zlib]) |
| 1221 | AC_RUN_IFELSE([AC_LANG_PROGRAM([[ |
| 1222 | #include <stdio.h> |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1223 | #include <stdlib.h> |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1224 | #include <zlib.h> |
| 1225 | ]], |
| 1226 | [[ |
| 1227 | int a=0, b=0, c=0, d=0, n, v; |
| 1228 | n = sscanf(ZLIB_VERSION, "%d.%d.%d.%d", &a, &b, &c, &d); |
| 1229 | if (n != 3 && n != 4) |
| 1230 | exit(1); |
| 1231 | v = a*1000000 + b*10000 + c*100 + d; |
| 1232 | fprintf(stderr, "found zlib version %s (%d)\n", ZLIB_VERSION, v); |
| 1233 | |
| 1234 | /* 1.1.4 is OK */ |
| 1235 | if (a == 1 && b == 1 && c >= 4) |
| 1236 | exit(0); |
| 1237 | |
| 1238 | /* 1.2.3 and up are OK */ |
| 1239 | if (v >= 1020300) |
| 1240 | exit(0); |
| 1241 | |
| 1242 | exit(2); |
| 1243 | ]])], |
| 1244 | AC_MSG_RESULT([no]), |
| 1245 | [ AC_MSG_RESULT([yes]) |
| 1246 | if test -z "$zlib_check_nonfatal" ; then |
| 1247 | AC_MSG_ERROR([*** zlib too old - check config.log *** |
| 1248 | Your reported zlib version has known security problems. It's possible your |
| 1249 | vendor has fixed these problems without changing the version number. If you |
| 1250 | are sure this is the case, you can disable the check by running |
| 1251 | "./configure --without-zlib-version-check". |
| 1252 | If you are in doubt, upgrade zlib to version 1.2.3 or greater. |
| 1253 | See http://www.gzip.org/zlib/ for details.]) |
| 1254 | else |
| 1255 | AC_MSG_WARN([zlib version may have security problems]) |
| 1256 | fi |
| 1257 | ], |
| 1258 | [ AC_MSG_WARN([cross compiling: not checking zlib version]) ] |
| 1259 | ) |
| 1260 | |
| 1261 | dnl UnixWare 2.x |
| 1262 | AC_CHECK_FUNC([strcasecmp], |
| 1263 | [], [ AC_CHECK_LIB([resolv], [strcasecmp], [LIBS="$LIBS -lresolv"]) ] |
| 1264 | ) |
| 1265 | AC_CHECK_FUNCS([utimes], |
| 1266 | [], [ AC_CHECK_LIB([c89], [utimes], [AC_DEFINE([HAVE_UTIMES]) |
| 1267 | LIBS="$LIBS -lc89"]) ] |
| 1268 | ) |
| 1269 | |
| 1270 | dnl Checks for libutil functions |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1271 | AC_CHECK_HEADERS([bsd/libutil.h libutil.h]) |
| 1272 | AC_SEARCH_LIBS([fmt_scaled], [util bsd]) |
| 1273 | AC_SEARCH_LIBS([scan_scaled], [util bsd]) |
| 1274 | AC_SEARCH_LIBS([login], [util bsd]) |
| 1275 | AC_SEARCH_LIBS([logout], [util bsd]) |
| 1276 | AC_SEARCH_LIBS([logwtmp], [util bsd]) |
| 1277 | AC_SEARCH_LIBS([openpty], [util bsd]) |
| 1278 | AC_SEARCH_LIBS([updwtmp], [util bsd]) |
| 1279 | AC_CHECK_FUNCS([fmt_scaled scan_scaled login logout openpty updwtmp logwtmp]) |
| 1280 | |
| 1281 | # On some platforms, inet_ntop may be found in libresolv or libnsl. |
| 1282 | AC_SEARCH_LIBS([inet_ntop], [resolv nsl]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1283 | |
| 1284 | AC_FUNC_STRFTIME |
| 1285 | |
| 1286 | # Check for ALTDIRFUNC glob() extension |
| 1287 | AC_MSG_CHECKING([for GLOB_ALTDIRFUNC support]) |
| 1288 | AC_EGREP_CPP([FOUNDIT], |
| 1289 | [ |
| 1290 | #include <glob.h> |
| 1291 | #ifdef GLOB_ALTDIRFUNC |
| 1292 | FOUNDIT |
| 1293 | #endif |
| 1294 | ], |
| 1295 | [ |
| 1296 | AC_DEFINE([GLOB_HAS_ALTDIRFUNC], [1], |
| 1297 | [Define if your system glob() function has |
| 1298 | the GLOB_ALTDIRFUNC extension]) |
| 1299 | AC_MSG_RESULT([yes]) |
| 1300 | ], |
| 1301 | [ |
| 1302 | AC_MSG_RESULT([no]) |
| 1303 | ] |
| 1304 | ) |
| 1305 | |
| 1306 | # Check for g.gl_matchc glob() extension |
| 1307 | AC_MSG_CHECKING([for gl_matchc field in glob_t]) |
| 1308 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <glob.h> ]], |
| 1309 | [[ glob_t g; g.gl_matchc = 1; ]])], |
| 1310 | [ |
| 1311 | AC_DEFINE([GLOB_HAS_GL_MATCHC], [1], |
| 1312 | [Define if your system glob() function has |
| 1313 | gl_matchc options in glob_t]) |
| 1314 | AC_MSG_RESULT([yes]) |
| 1315 | ], [ |
| 1316 | AC_MSG_RESULT([no]) |
| 1317 | ]) |
| 1318 | |
| 1319 | # Check for g.gl_statv glob() extension |
| 1320 | AC_MSG_CHECKING([for gl_statv and GLOB_KEEPSTAT extensions for glob]) |
| 1321 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <glob.h> ]], [[ |
| 1322 | #ifndef GLOB_KEEPSTAT |
| 1323 | #error "glob does not support GLOB_KEEPSTAT extension" |
| 1324 | #endif |
| 1325 | glob_t g; |
| 1326 | g.gl_statv = NULL; |
| 1327 | ]])], |
| 1328 | [ |
| 1329 | AC_DEFINE([GLOB_HAS_GL_STATV], [1], |
| 1330 | [Define if your system glob() function has |
| 1331 | gl_statv options in glob_t]) |
| 1332 | AC_MSG_RESULT([yes]) |
| 1333 | ], [ |
| 1334 | AC_MSG_RESULT([no]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1335 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1336 | ]) |
| 1337 | |
| 1338 | AC_CHECK_DECLS([GLOB_NOMATCH], , , [#include <glob.h>]) |
| 1339 | |
| 1340 | AC_MSG_CHECKING([whether struct dirent allocates space for d_name]) |
| 1341 | AC_RUN_IFELSE( |
| 1342 | [AC_LANG_PROGRAM([[ |
| 1343 | #include <sys/types.h> |
| 1344 | #include <dirent.h>]], |
| 1345 | [[ |
| 1346 | struct dirent d; |
| 1347 | exit(sizeof(d.d_name)<=sizeof(char)); |
| 1348 | ]])], |
| 1349 | [AC_MSG_RESULT([yes])], |
| 1350 | [ |
| 1351 | AC_MSG_RESULT([no]) |
| 1352 | AC_DEFINE([BROKEN_ONE_BYTE_DIRENT_D_NAME], [1], |
| 1353 | [Define if your struct dirent expects you to |
| 1354 | allocate extra space for d_name]) |
| 1355 | ], |
| 1356 | [ |
| 1357 | AC_MSG_WARN([cross compiling: assuming BROKEN_ONE_BYTE_DIRENT_D_NAME]) |
| 1358 | AC_DEFINE([BROKEN_ONE_BYTE_DIRENT_D_NAME]) |
| 1359 | ] |
| 1360 | ) |
| 1361 | |
| 1362 | AC_MSG_CHECKING([for /proc/pid/fd directory]) |
| 1363 | if test -d "/proc/$$/fd" ; then |
| 1364 | AC_DEFINE([HAVE_PROC_PID], [1], [Define if you have /proc/$pid/fd]) |
| 1365 | AC_MSG_RESULT([yes]) |
| 1366 | else |
| 1367 | AC_MSG_RESULT([no]) |
| 1368 | fi |
| 1369 | |
| 1370 | # Check whether user wants S/Key support |
| 1371 | SKEY_MSG="no" |
| 1372 | AC_ARG_WITH([skey], |
| 1373 | [ --with-skey[[=PATH]] Enable S/Key support (optionally in PATH)], |
| 1374 | [ |
| 1375 | if test "x$withval" != "xno" ; then |
| 1376 | |
| 1377 | if test "x$withval" != "xyes" ; then |
| 1378 | CPPFLAGS="$CPPFLAGS -I${withval}/include" |
| 1379 | LDFLAGS="$LDFLAGS -L${withval}/lib" |
| 1380 | fi |
| 1381 | |
| 1382 | AC_DEFINE([SKEY], [1], [Define if you want S/Key support]) |
| 1383 | LIBS="-lskey $LIBS" |
| 1384 | SKEY_MSG="yes" |
| 1385 | |
| 1386 | AC_MSG_CHECKING([for s/key support]) |
| 1387 | AC_LINK_IFELSE( |
| 1388 | [AC_LANG_PROGRAM([[ |
| 1389 | #include <stdio.h> |
| 1390 | #include <skey.h> |
| 1391 | ]], [[ |
| 1392 | char *ff = skey_keyinfo(""); ff=""; |
| 1393 | exit(0); |
| 1394 | ]])], |
| 1395 | [AC_MSG_RESULT([yes])], |
| 1396 | [ |
| 1397 | AC_MSG_RESULT([no]) |
| 1398 | AC_MSG_ERROR([** Incomplete or missing s/key libraries.]) |
| 1399 | ]) |
| 1400 | AC_MSG_CHECKING([if skeychallenge takes 4 arguments]) |
| 1401 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 1402 | #include <stdio.h> |
| 1403 | #include <skey.h> |
| 1404 | ]], [[ |
| 1405 | (void)skeychallenge(NULL,"name","",0); |
| 1406 | ]])], |
| 1407 | [ |
| 1408 | AC_MSG_RESULT([yes]) |
| 1409 | AC_DEFINE([SKEYCHALLENGE_4ARG], [1], |
| 1410 | [Define if your skeychallenge() |
| 1411 | function takes 4 arguments (NetBSD)])], |
| 1412 | [ |
| 1413 | AC_MSG_RESULT([no]) |
| 1414 | ]) |
| 1415 | fi |
| 1416 | ] |
| 1417 | ) |
| 1418 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1419 | # Check whether user wants to use ldns |
| 1420 | LDNS_MSG="no" |
| 1421 | AC_ARG_WITH(ldns, |
| 1422 | [ --with-ldns[[=PATH]] Use ldns for DNSSEC support (optionally in PATH)], |
| 1423 | [ |
| 1424 | if test "x$withval" != "xno" ; then |
| 1425 | |
| 1426 | if test "x$withval" != "xyes" ; then |
| 1427 | CPPFLAGS="$CPPFLAGS -I${withval}/include" |
| 1428 | LDFLAGS="$LDFLAGS -L${withval}/lib" |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1429 | fi |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1430 | |
| 1431 | AC_DEFINE(HAVE_LDNS, 1, [Define if you want ldns support]) |
| 1432 | LIBS="-lldns $LIBS" |
| 1433 | LDNS_MSG="yes" |
| 1434 | |
| 1435 | AC_MSG_CHECKING([for ldns support]) |
| 1436 | AC_LINK_IFELSE( |
| 1437 | [AC_LANG_SOURCE([[ |
| 1438 | #include <stdio.h> |
| 1439 | #include <stdlib.h> |
| 1440 | #include <stdint.h> |
| 1441 | #include <ldns/ldns.h> |
| 1442 | int main() { ldns_status status = ldns_verify_trusted(NULL, NULL, NULL, NULL); status=LDNS_STATUS_OK; exit(0); } |
| 1443 | ]]) |
| 1444 | ], |
| 1445 | [AC_MSG_RESULT(yes)], |
| 1446 | [ |
| 1447 | AC_MSG_RESULT(no) |
| 1448 | AC_MSG_ERROR([** Incomplete or missing ldns libraries.]) |
| 1449 | ]) |
| 1450 | fi |
| 1451 | ] |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1452 | ) |
| 1453 | |
| 1454 | # Check whether user wants libedit support |
| 1455 | LIBEDIT_MSG="no" |
| 1456 | AC_ARG_WITH([libedit], |
| 1457 | [ --with-libedit[[=PATH]] Enable libedit support for sftp], |
| 1458 | [ if test "x$withval" != "xno" ; then |
| 1459 | if test "x$withval" = "xyes" ; then |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1460 | AC_PATH_TOOL([PKGCONFIG], [pkg-config], [no]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1461 | if test "x$PKGCONFIG" != "xno"; then |
| 1462 | AC_MSG_CHECKING([if $PKGCONFIG knows about libedit]) |
| 1463 | if "$PKGCONFIG" libedit; then |
| 1464 | AC_MSG_RESULT([yes]) |
| 1465 | use_pkgconfig_for_libedit=yes |
| 1466 | else |
| 1467 | AC_MSG_RESULT([no]) |
| 1468 | fi |
| 1469 | fi |
| 1470 | else |
| 1471 | CPPFLAGS="$CPPFLAGS -I${withval}/include" |
| 1472 | if test -n "${need_dash_r}"; then |
| 1473 | LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}" |
| 1474 | else |
| 1475 | LDFLAGS="-L${withval}/lib ${LDFLAGS}" |
| 1476 | fi |
| 1477 | fi |
| 1478 | if test "x$use_pkgconfig_for_libedit" = "xyes"; then |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1479 | LIBEDIT=`$PKGCONFIG --libs libedit` |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1480 | CPPFLAGS="$CPPFLAGS `$PKGCONFIG --cflags libedit`" |
| 1481 | else |
| 1482 | LIBEDIT="-ledit -lcurses" |
| 1483 | fi |
| 1484 | OTHERLIBS=`echo $LIBEDIT | sed 's/-ledit//'` |
| 1485 | AC_CHECK_LIB([edit], [el_init], |
| 1486 | [ AC_DEFINE([USE_LIBEDIT], [1], [Use libedit for sftp]) |
| 1487 | LIBEDIT_MSG="yes" |
| 1488 | AC_SUBST([LIBEDIT]) |
| 1489 | ], |
| 1490 | [ AC_MSG_ERROR([libedit not found]) ], |
| 1491 | [ $OTHERLIBS ] |
| 1492 | ) |
| 1493 | AC_MSG_CHECKING([if libedit version is compatible]) |
| 1494 | AC_COMPILE_IFELSE( |
| 1495 | [AC_LANG_PROGRAM([[ #include <histedit.h> ]], |
| 1496 | [[ |
| 1497 | int i = H_SETSIZE; |
| 1498 | el_init("", NULL, NULL, NULL); |
| 1499 | exit(0); |
| 1500 | ]])], |
| 1501 | [ AC_MSG_RESULT([yes]) ], |
| 1502 | [ AC_MSG_RESULT([no]) |
| 1503 | AC_MSG_ERROR([libedit version is not compatible]) ] |
| 1504 | ) |
| 1505 | fi ] |
| 1506 | ) |
| 1507 | |
| 1508 | AUDIT_MODULE=none |
| 1509 | AC_ARG_WITH([audit], |
| 1510 | [ --with-audit=module Enable audit support (modules=debug,bsm,linux)], |
| 1511 | [ |
| 1512 | AC_MSG_CHECKING([for supported audit module]) |
| 1513 | case "$withval" in |
| 1514 | bsm) |
| 1515 | AC_MSG_RESULT([bsm]) |
| 1516 | AUDIT_MODULE=bsm |
| 1517 | dnl Checks for headers, libs and functions |
| 1518 | AC_CHECK_HEADERS([bsm/audit.h], [], |
| 1519 | [AC_MSG_ERROR([BSM enabled and bsm/audit.h not found])], |
| 1520 | [ |
| 1521 | #ifdef HAVE_TIME_H |
| 1522 | # include <time.h> |
| 1523 | #endif |
| 1524 | ] |
| 1525 | ) |
| 1526 | AC_CHECK_LIB([bsm], [getaudit], [], |
| 1527 | [AC_MSG_ERROR([BSM enabled and required library not found])]) |
| 1528 | AC_CHECK_FUNCS([getaudit], [], |
| 1529 | [AC_MSG_ERROR([BSM enabled and required function not found])]) |
| 1530 | # These are optional |
| 1531 | AC_CHECK_FUNCS([getaudit_addr aug_get_machine]) |
| 1532 | AC_DEFINE([USE_BSM_AUDIT], [1], [Use BSM audit module]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1533 | if test "$sol2ver" -ge 11; then |
| 1534 | SSHDLIBS="$SSHDLIBS -lscf" |
| 1535 | AC_DEFINE([BROKEN_BSM_API], [1], |
| 1536 | [The system has incomplete BSM API]) |
| 1537 | fi |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1538 | ;; |
| 1539 | linux) |
| 1540 | AC_MSG_RESULT([linux]) |
| 1541 | AUDIT_MODULE=linux |
| 1542 | dnl Checks for headers, libs and functions |
| 1543 | AC_CHECK_HEADERS([libaudit.h]) |
| 1544 | SSHDLIBS="$SSHDLIBS -laudit" |
| 1545 | AC_DEFINE([USE_LINUX_AUDIT], [1], [Use Linux audit module]) |
| 1546 | ;; |
| 1547 | debug) |
| 1548 | AUDIT_MODULE=debug |
| 1549 | AC_MSG_RESULT([debug]) |
| 1550 | AC_DEFINE([SSH_AUDIT_EVENTS], [1], [Use audit debugging module]) |
| 1551 | ;; |
| 1552 | no) |
| 1553 | AC_MSG_RESULT([no]) |
| 1554 | ;; |
| 1555 | *) |
| 1556 | AC_MSG_ERROR([Unknown audit module $withval]) |
| 1557 | ;; |
| 1558 | esac ] |
| 1559 | ) |
| 1560 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1561 | AC_ARG_WITH([pie], |
| 1562 | [ --with-pie Build Position Independent Executables if possible], [ |
| 1563 | if test "x$withval" = "xno"; then |
| 1564 | use_pie=no |
| 1565 | fi |
| 1566 | if test "x$withval" = "xyes"; then |
| 1567 | use_pie=yes |
| 1568 | fi |
| 1569 | ] |
| 1570 | ) |
| 1571 | if test "x$use_pie" = "x"; then |
| 1572 | use_pie=no |
| 1573 | fi |
| 1574 | if test "x$use_toolchain_hardening" != "x1" && test "x$use_pie" = "xauto"; then |
| 1575 | # Turn off automatic PIE when toolchain hardening is off. |
| 1576 | use_pie=no |
| 1577 | fi |
| 1578 | if test "x$use_pie" = "xauto"; then |
| 1579 | # Automatic PIE requires gcc >= 4.x |
| 1580 | AC_MSG_CHECKING([for gcc >= 4.x]) |
| 1581 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
| 1582 | #if !defined(__GNUC__) || __GNUC__ < 4 |
| 1583 | #error gcc is too old |
| 1584 | #endif |
| 1585 | ]])], |
| 1586 | [ AC_MSG_RESULT([yes]) ], |
| 1587 | [ AC_MSG_RESULT([no]) |
| 1588 | use_pie=no ] |
| 1589 | ) |
| 1590 | fi |
| 1591 | if test "x$use_pie" != "xno"; then |
| 1592 | SAVED_CFLAGS="$CFLAGS" |
| 1593 | SAVED_LDFLAGS="$LDFLAGS" |
| 1594 | OSSH_CHECK_CFLAG_COMPILE([-fPIE]) |
| 1595 | OSSH_CHECK_LDFLAG_LINK([-pie]) |
| 1596 | # We use both -fPIE and -pie or neither. |
| 1597 | AC_MSG_CHECKING([whether both -fPIE and -pie are supported]) |
| 1598 | if echo "x $CFLAGS" | grep ' -fPIE' >/dev/null 2>&1 && \ |
| 1599 | echo "x $LDFLAGS" | grep ' -pie' >/dev/null 2>&1 ; then |
| 1600 | AC_MSG_RESULT([yes]) |
| 1601 | else |
| 1602 | AC_MSG_RESULT([no]) |
| 1603 | CFLAGS="$SAVED_CFLAGS" |
| 1604 | LDFLAGS="$SAVED_LDFLAGS" |
| 1605 | fi |
| 1606 | fi |
| 1607 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1608 | dnl Checks for library functions. Please keep in alphabetical order |
| 1609 | AC_CHECK_FUNCS([ \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1610 | Blowfish_initstate \ |
| 1611 | Blowfish_expandstate \ |
| 1612 | Blowfish_expand0state \ |
| 1613 | Blowfish_stream2word \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1614 | asprintf \ |
| 1615 | b64_ntop \ |
| 1616 | __b64_ntop \ |
| 1617 | b64_pton \ |
| 1618 | __b64_pton \ |
| 1619 | bcopy \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1620 | bcrypt_pbkdf \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1621 | bindresvport_sa \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1622 | blf_enc \ |
| 1623 | cap_rights_limit \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1624 | clock \ |
| 1625 | closefrom \ |
| 1626 | dirfd \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1627 | endgrent \ |
| 1628 | explicit_bzero \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1629 | fchmod \ |
| 1630 | fchown \ |
| 1631 | freeaddrinfo \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1632 | fstatfs \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1633 | fstatvfs \ |
| 1634 | futimes \ |
| 1635 | getaddrinfo \ |
| 1636 | getcwd \ |
| 1637 | getgrouplist \ |
| 1638 | getnameinfo \ |
| 1639 | getopt \ |
| 1640 | getpeereid \ |
| 1641 | getpeerucred \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1642 | getpgid \ |
| 1643 | getpgrp \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1644 | _getpty \ |
| 1645 | getrlimit \ |
| 1646 | getttyent \ |
| 1647 | glob \ |
| 1648 | group_from_gid \ |
| 1649 | inet_aton \ |
| 1650 | inet_ntoa \ |
| 1651 | inet_ntop \ |
| 1652 | innetgr \ |
| 1653 | login_getcapbool \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1654 | mblen \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1655 | md5_crypt \ |
| 1656 | memmove \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1657 | memset_s \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1658 | mkdtemp \ |
| 1659 | mmap \ |
| 1660 | ngetaddrinfo \ |
| 1661 | nsleep \ |
| 1662 | ogetaddrinfo \ |
| 1663 | openlog_r \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1664 | poll \ |
| 1665 | prctl \ |
| 1666 | pstat \ |
| 1667 | readpassphrase \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1668 | reallocarray \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1669 | realpath \ |
| 1670 | recvmsg \ |
| 1671 | rresvport_af \ |
| 1672 | sendmsg \ |
| 1673 | setdtablesize \ |
| 1674 | setegid \ |
| 1675 | setenv \ |
| 1676 | seteuid \ |
| 1677 | setgroupent \ |
| 1678 | setgroups \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1679 | setlinebuf \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1680 | setlogin \ |
| 1681 | setpassent\ |
| 1682 | setpcred \ |
| 1683 | setproctitle \ |
| 1684 | setregid \ |
| 1685 | setreuid \ |
| 1686 | setrlimit \ |
| 1687 | setsid \ |
| 1688 | setvbuf \ |
| 1689 | sigaction \ |
| 1690 | sigvec \ |
| 1691 | snprintf \ |
| 1692 | socketpair \ |
| 1693 | statfs \ |
| 1694 | statvfs \ |
| 1695 | strdup \ |
| 1696 | strerror \ |
| 1697 | strlcat \ |
| 1698 | strlcpy \ |
| 1699 | strmode \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1700 | strnlen \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1701 | strnvis \ |
| 1702 | strptime \ |
| 1703 | strtonum \ |
| 1704 | strtoll \ |
| 1705 | strtoul \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1706 | strtoull \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1707 | swap32 \ |
| 1708 | sysconf \ |
| 1709 | tcgetpgrp \ |
| 1710 | timingsafe_bcmp \ |
| 1711 | truncate \ |
| 1712 | unsetenv \ |
| 1713 | updwtmpx \ |
| 1714 | user_from_uid \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1715 | usleep \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1716 | vasprintf \ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1717 | vsnprintf \ |
| 1718 | waitpid \ |
| 1719 | ]) |
| 1720 | |
| 1721 | AC_LINK_IFELSE( |
| 1722 | [AC_LANG_PROGRAM( |
| 1723 | [[ #include <ctype.h> ]], |
| 1724 | [[ return (isblank('a')); ]])], |
| 1725 | [AC_DEFINE([HAVE_ISBLANK], [1], [Define if you have isblank(3C).]) |
| 1726 | ]) |
| 1727 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1728 | # PKCS11 depends on OpenSSL. |
| 1729 | if test "x$openssl" = "xyes" ; then |
| 1730 | # PKCS#11 support requires dlopen() and co |
| 1731 | AC_SEARCH_LIBS([dlopen], [dl], |
| 1732 | [AC_DEFINE([ENABLE_PKCS11], [], [Enable for PKCS#11 support])] |
| 1733 | ) |
| 1734 | fi |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1735 | |
| 1736 | # IRIX has a const char return value for gai_strerror() |
| 1737 | AC_CHECK_FUNCS([gai_strerror], [ |
| 1738 | AC_DEFINE([HAVE_GAI_STRERROR]) |
| 1739 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 1740 | #include <sys/types.h> |
| 1741 | #include <sys/socket.h> |
| 1742 | #include <netdb.h> |
| 1743 | |
| 1744 | const char *gai_strerror(int); |
| 1745 | ]], [[ |
| 1746 | char *str; |
| 1747 | str = gai_strerror(0); |
| 1748 | ]])], [ |
| 1749 | AC_DEFINE([HAVE_CONST_GAI_STRERROR_PROTO], [1], |
| 1750 | [Define if gai_strerror() returns const char *])], [])]) |
| 1751 | |
| 1752 | AC_SEARCH_LIBS([nanosleep], [rt posix4], [AC_DEFINE([HAVE_NANOSLEEP], [1], |
| 1753 | [Some systems put nanosleep outside of libc])]) |
| 1754 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1755 | AC_SEARCH_LIBS([clock_gettime], [rt], |
| 1756 | [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [Have clock_gettime])]) |
| 1757 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1758 | dnl Make sure prototypes are defined for these before using them. |
| 1759 | AC_CHECK_DECL([getrusage], [AC_CHECK_FUNCS([getrusage])]) |
| 1760 | AC_CHECK_DECL([strsep], |
| 1761 | [AC_CHECK_FUNCS([strsep])], |
| 1762 | [], |
| 1763 | [ |
| 1764 | #ifdef HAVE_STRING_H |
| 1765 | # include <string.h> |
| 1766 | #endif |
| 1767 | ]) |
| 1768 | |
| 1769 | dnl tcsendbreak might be a macro |
| 1770 | AC_CHECK_DECL([tcsendbreak], |
| 1771 | [AC_DEFINE([HAVE_TCSENDBREAK])], |
| 1772 | [AC_CHECK_FUNCS([tcsendbreak])], |
| 1773 | [#include <termios.h>] |
| 1774 | ) |
| 1775 | |
| 1776 | AC_CHECK_DECLS([h_errno], , ,[#include <netdb.h>]) |
| 1777 | |
| 1778 | AC_CHECK_DECLS([SHUT_RD], , , |
| 1779 | [ |
| 1780 | #include <sys/types.h> |
| 1781 | #include <sys/socket.h> |
| 1782 | ]) |
| 1783 | |
| 1784 | AC_CHECK_DECLS([O_NONBLOCK], , , |
| 1785 | [ |
| 1786 | #include <sys/types.h> |
| 1787 | #ifdef HAVE_SYS_STAT_H |
| 1788 | # include <sys/stat.h> |
| 1789 | #endif |
| 1790 | #ifdef HAVE_FCNTL_H |
| 1791 | # include <fcntl.h> |
| 1792 | #endif |
| 1793 | ]) |
| 1794 | |
| 1795 | AC_CHECK_DECLS([writev], , , [ |
| 1796 | #include <sys/types.h> |
| 1797 | #include <sys/uio.h> |
| 1798 | #include <unistd.h> |
| 1799 | ]) |
| 1800 | |
| 1801 | AC_CHECK_DECLS([MAXSYMLINKS], , , [ |
| 1802 | #include <sys/param.h> |
| 1803 | ]) |
| 1804 | |
| 1805 | AC_CHECK_DECLS([offsetof], , , [ |
| 1806 | #include <stddef.h> |
| 1807 | ]) |
| 1808 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1809 | # extra bits for select(2) |
| 1810 | AC_CHECK_DECLS([howmany, NFDBITS], [], [], [[ |
| 1811 | #include <sys/param.h> |
| 1812 | #include <sys/types.h> |
| 1813 | #ifdef HAVE_SYS_SYSMACROS_H |
| 1814 | #include <sys/sysmacros.h> |
| 1815 | #endif |
| 1816 | #ifdef HAVE_SYS_SELECT_H |
| 1817 | #include <sys/select.h> |
| 1818 | #endif |
| 1819 | #ifdef HAVE_SYS_TIME_H |
| 1820 | #include <sys/time.h> |
| 1821 | #endif |
| 1822 | #ifdef HAVE_UNISTD_H |
| 1823 | #include <unistd.h> |
| 1824 | #endif |
| 1825 | ]]) |
| 1826 | AC_CHECK_TYPES([fd_mask], [], [], [[ |
| 1827 | #include <sys/param.h> |
| 1828 | #include <sys/types.h> |
| 1829 | #ifdef HAVE_SYS_SELECT_H |
| 1830 | #include <sys/select.h> |
| 1831 | #endif |
| 1832 | #ifdef HAVE_SYS_TIME_H |
| 1833 | #include <sys/time.h> |
| 1834 | #endif |
| 1835 | #ifdef HAVE_UNISTD_H |
| 1836 | #include <unistd.h> |
| 1837 | #endif |
| 1838 | ]]) |
| 1839 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1840 | AC_CHECK_FUNCS([setresuid], [ |
| 1841 | dnl Some platorms have setresuid that isn't implemented, test for this |
| 1842 | AC_MSG_CHECKING([if setresuid seems to work]) |
| 1843 | AC_RUN_IFELSE( |
| 1844 | [AC_LANG_PROGRAM([[ |
| 1845 | #include <stdlib.h> |
| 1846 | #include <errno.h> |
| 1847 | ]], [[ |
| 1848 | errno=0; |
| 1849 | setresuid(0,0,0); |
| 1850 | if (errno==ENOSYS) |
| 1851 | exit(1); |
| 1852 | else |
| 1853 | exit(0); |
| 1854 | ]])], |
| 1855 | [AC_MSG_RESULT([yes])], |
| 1856 | [AC_DEFINE([BROKEN_SETRESUID], [1], |
| 1857 | [Define if your setresuid() is broken]) |
| 1858 | AC_MSG_RESULT([not implemented])], |
| 1859 | [AC_MSG_WARN([cross compiling: not checking setresuid])] |
| 1860 | ) |
| 1861 | ]) |
| 1862 | |
| 1863 | AC_CHECK_FUNCS([setresgid], [ |
| 1864 | dnl Some platorms have setresgid that isn't implemented, test for this |
| 1865 | AC_MSG_CHECKING([if setresgid seems to work]) |
| 1866 | AC_RUN_IFELSE( |
| 1867 | [AC_LANG_PROGRAM([[ |
| 1868 | #include <stdlib.h> |
| 1869 | #include <errno.h> |
| 1870 | ]], [[ |
| 1871 | errno=0; |
| 1872 | setresgid(0,0,0); |
| 1873 | if (errno==ENOSYS) |
| 1874 | exit(1); |
| 1875 | else |
| 1876 | exit(0); |
| 1877 | ]])], |
| 1878 | [AC_MSG_RESULT([yes])], |
| 1879 | [AC_DEFINE([BROKEN_SETRESGID], [1], |
| 1880 | [Define if your setresgid() is broken]) |
| 1881 | AC_MSG_RESULT([not implemented])], |
| 1882 | [AC_MSG_WARN([cross compiling: not checking setresuid])] |
| 1883 | ) |
| 1884 | ]) |
| 1885 | |
| 1886 | dnl Checks for time functions |
| 1887 | AC_CHECK_FUNCS([gettimeofday time]) |
| 1888 | dnl Checks for utmp functions |
| 1889 | AC_CHECK_FUNCS([endutent getutent getutid getutline pututline setutent]) |
| 1890 | AC_CHECK_FUNCS([utmpname]) |
| 1891 | dnl Checks for utmpx functions |
| 1892 | AC_CHECK_FUNCS([endutxent getutxent getutxid getutxline getutxuser pututxline]) |
| 1893 | AC_CHECK_FUNCS([setutxdb setutxent utmpxname]) |
| 1894 | dnl Checks for lastlog functions |
| 1895 | AC_CHECK_FUNCS([getlastlogxbyname]) |
| 1896 | |
| 1897 | AC_CHECK_FUNC([daemon], |
| 1898 | [AC_DEFINE([HAVE_DAEMON], [1], [Define if your libraries define daemon()])], |
| 1899 | [AC_CHECK_LIB([bsd], [daemon], |
| 1900 | [LIBS="$LIBS -lbsd"; AC_DEFINE([HAVE_DAEMON])])] |
| 1901 | ) |
| 1902 | |
| 1903 | AC_CHECK_FUNC([getpagesize], |
| 1904 | [AC_DEFINE([HAVE_GETPAGESIZE], [1], |
| 1905 | [Define if your libraries define getpagesize()])], |
| 1906 | [AC_CHECK_LIB([ucb], [getpagesize], |
| 1907 | [LIBS="$LIBS -lucb"; AC_DEFINE([HAVE_GETPAGESIZE])])] |
| 1908 | ) |
| 1909 | |
| 1910 | # Check for broken snprintf |
| 1911 | if test "x$ac_cv_func_snprintf" = "xyes" ; then |
| 1912 | AC_MSG_CHECKING([whether snprintf correctly terminates long strings]) |
| 1913 | AC_RUN_IFELSE( |
| 1914 | [AC_LANG_PROGRAM([[ #include <stdio.h> ]], |
| 1915 | [[ |
| 1916 | char b[5]; |
| 1917 | snprintf(b,5,"123456789"); |
| 1918 | exit(b[4]!='\0'); |
| 1919 | ]])], |
| 1920 | [AC_MSG_RESULT([yes])], |
| 1921 | [ |
| 1922 | AC_MSG_RESULT([no]) |
| 1923 | AC_DEFINE([BROKEN_SNPRINTF], [1], |
| 1924 | [Define if your snprintf is busted]) |
| 1925 | AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor]) |
| 1926 | ], |
| 1927 | [ AC_MSG_WARN([cross compiling: Assuming working snprintf()]) ] |
| 1928 | ) |
| 1929 | fi |
| 1930 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1931 | # We depend on vsnprintf returning the right thing on overflow: the |
| 1932 | # number of characters it tried to create (as per SUSv3) |
| 1933 | if test "x$ac_cv_func_vsnprintf" = "xyes" ; then |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1934 | AC_MSG_CHECKING([whether vsnprintf returns correct values on overflow]) |
| 1935 | AC_RUN_IFELSE( |
| 1936 | [AC_LANG_PROGRAM([[ |
| 1937 | #include <sys/types.h> |
| 1938 | #include <stdio.h> |
| 1939 | #include <stdarg.h> |
| 1940 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1941 | int x_snprintf(char *str, size_t count, const char *fmt, ...) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1942 | { |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1943 | size_t ret; |
| 1944 | va_list ap; |
| 1945 | |
| 1946 | va_start(ap, fmt); |
| 1947 | ret = vsnprintf(str, count, fmt, ap); |
| 1948 | va_end(ap); |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1949 | return ret; |
| 1950 | } |
| 1951 | ]], [[ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1952 | char x[1]; |
| 1953 | if (x_snprintf(x, 1, "%s %d", "hello", 12345) != 11) |
| 1954 | return 1; |
| 1955 | if (x_snprintf(NULL, 0, "%s %d", "hello", 12345) != 11) |
| 1956 | return 1; |
| 1957 | return 0; |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1958 | ]])], |
| 1959 | [AC_MSG_RESULT([yes])], |
| 1960 | [ |
| 1961 | AC_MSG_RESULT([no]) |
| 1962 | AC_DEFINE([BROKEN_SNPRINTF], [1], |
| 1963 | [Define if your snprintf is busted]) |
| 1964 | AC_MSG_WARN([****** Your vsnprintf() function is broken, complain to your vendor]) |
| 1965 | ], |
| 1966 | [ AC_MSG_WARN([cross compiling: Assuming working vsnprintf()]) ] |
| 1967 | ) |
| 1968 | fi |
| 1969 | |
| 1970 | # On systems where [v]snprintf is broken, but is declared in stdio, |
| 1971 | # check that the fmt argument is const char * or just char *. |
| 1972 | # This is only useful for when BROKEN_SNPRINTF |
| 1973 | AC_MSG_CHECKING([whether snprintf can declare const char *fmt]) |
| 1974 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 1975 | #include <stdio.h> |
| 1976 | int snprintf(char *a, size_t b, const char *c, ...) { return 0; } |
| 1977 | ]], [[ |
| 1978 | snprintf(0, 0, 0); |
| 1979 | ]])], |
| 1980 | [AC_MSG_RESULT([yes]) |
| 1981 | AC_DEFINE([SNPRINTF_CONST], [const], |
| 1982 | [Define as const if snprintf() can declare const char *fmt])], |
| 1983 | [AC_MSG_RESULT([no]) |
| 1984 | AC_DEFINE([SNPRINTF_CONST], [/* not const */])]) |
| 1985 | |
| 1986 | # Check for missing getpeereid (or equiv) support |
| 1987 | NO_PEERCHECK="" |
| 1988 | if test "x$ac_cv_func_getpeereid" != "xyes" -a "x$ac_cv_func_getpeerucred" != "xyes"; then |
| 1989 | AC_MSG_CHECKING([whether system supports SO_PEERCRED getsockopt]) |
| 1990 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 1991 | #include <sys/types.h> |
| 1992 | #include <sys/socket.h>]], [[int i = SO_PEERCRED;]])], |
| 1993 | [ AC_MSG_RESULT([yes]) |
| 1994 | AC_DEFINE([HAVE_SO_PEERCRED], [1], [Have PEERCRED socket option]) |
| 1995 | ], [AC_MSG_RESULT([no]) |
| 1996 | NO_PEERCHECK=1 |
| 1997 | ]) |
| 1998 | fi |
| 1999 | |
| 2000 | dnl see whether mkstemp() requires XXXXXX |
| 2001 | if test "x$ac_cv_func_mkdtemp" = "xyes" ; then |
| 2002 | AC_MSG_CHECKING([for (overly) strict mkstemp]) |
| 2003 | AC_RUN_IFELSE( |
| 2004 | [AC_LANG_PROGRAM([[ |
| 2005 | #include <stdlib.h> |
| 2006 | ]], [[ |
| 2007 | char template[]="conftest.mkstemp-test"; |
| 2008 | if (mkstemp(template) == -1) |
| 2009 | exit(1); |
| 2010 | unlink(template); |
| 2011 | exit(0); |
| 2012 | ]])], |
| 2013 | [ |
| 2014 | AC_MSG_RESULT([no]) |
| 2015 | ], |
| 2016 | [ |
| 2017 | AC_MSG_RESULT([yes]) |
| 2018 | AC_DEFINE([HAVE_STRICT_MKSTEMP], [1], [Silly mkstemp()]) |
| 2019 | ], |
| 2020 | [ |
| 2021 | AC_MSG_RESULT([yes]) |
| 2022 | AC_DEFINE([HAVE_STRICT_MKSTEMP]) |
| 2023 | ] |
| 2024 | ) |
| 2025 | fi |
| 2026 | |
| 2027 | dnl make sure that openpty does not reacquire controlling terminal |
| 2028 | if test ! -z "$check_for_openpty_ctty_bug"; then |
| 2029 | AC_MSG_CHECKING([if openpty correctly handles controlling tty]) |
| 2030 | AC_RUN_IFELSE( |
| 2031 | [AC_LANG_PROGRAM([[ |
| 2032 | #include <stdio.h> |
| 2033 | #include <sys/fcntl.h> |
| 2034 | #include <sys/types.h> |
| 2035 | #include <sys/wait.h> |
| 2036 | ]], [[ |
| 2037 | pid_t pid; |
| 2038 | int fd, ptyfd, ttyfd, status; |
| 2039 | |
| 2040 | pid = fork(); |
| 2041 | if (pid < 0) { /* failed */ |
| 2042 | exit(1); |
| 2043 | } else if (pid > 0) { /* parent */ |
| 2044 | waitpid(pid, &status, 0); |
| 2045 | if (WIFEXITED(status)) |
| 2046 | exit(WEXITSTATUS(status)); |
| 2047 | else |
| 2048 | exit(2); |
| 2049 | } else { /* child */ |
| 2050 | close(0); close(1); close(2); |
| 2051 | setsid(); |
| 2052 | openpty(&ptyfd, &ttyfd, NULL, NULL, NULL); |
| 2053 | fd = open("/dev/tty", O_RDWR | O_NOCTTY); |
| 2054 | if (fd >= 0) |
| 2055 | exit(3); /* Acquired ctty: broken */ |
| 2056 | else |
| 2057 | exit(0); /* Did not acquire ctty: OK */ |
| 2058 | } |
| 2059 | ]])], |
| 2060 | [ |
| 2061 | AC_MSG_RESULT([yes]) |
| 2062 | ], |
| 2063 | [ |
| 2064 | AC_MSG_RESULT([no]) |
| 2065 | AC_DEFINE([SSHD_ACQUIRES_CTTY]) |
| 2066 | ], |
| 2067 | [ |
| 2068 | AC_MSG_RESULT([cross-compiling, assuming yes]) |
| 2069 | ] |
| 2070 | ) |
| 2071 | fi |
| 2072 | |
| 2073 | if test "x$ac_cv_func_getaddrinfo" = "xyes" && \ |
| 2074 | test "x$check_for_hpux_broken_getaddrinfo" = "x1"; then |
| 2075 | AC_MSG_CHECKING([if getaddrinfo seems to work]) |
| 2076 | AC_RUN_IFELSE( |
| 2077 | [AC_LANG_PROGRAM([[ |
| 2078 | #include <stdio.h> |
| 2079 | #include <sys/socket.h> |
| 2080 | #include <netdb.h> |
| 2081 | #include <errno.h> |
| 2082 | #include <netinet/in.h> |
| 2083 | |
| 2084 | #define TEST_PORT "2222" |
| 2085 | ]], [[ |
| 2086 | int err, sock; |
| 2087 | struct addrinfo *gai_ai, *ai, hints; |
| 2088 | char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL; |
| 2089 | |
| 2090 | memset(&hints, 0, sizeof(hints)); |
| 2091 | hints.ai_family = PF_UNSPEC; |
| 2092 | hints.ai_socktype = SOCK_STREAM; |
| 2093 | hints.ai_flags = AI_PASSIVE; |
| 2094 | |
| 2095 | err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai); |
| 2096 | if (err != 0) { |
| 2097 | fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err)); |
| 2098 | exit(1); |
| 2099 | } |
| 2100 | |
| 2101 | for (ai = gai_ai; ai != NULL; ai = ai->ai_next) { |
| 2102 | if (ai->ai_family != AF_INET6) |
| 2103 | continue; |
| 2104 | |
| 2105 | err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop, |
| 2106 | sizeof(ntop), strport, sizeof(strport), |
| 2107 | NI_NUMERICHOST|NI_NUMERICSERV); |
| 2108 | |
| 2109 | if (err != 0) { |
| 2110 | if (err == EAI_SYSTEM) |
| 2111 | perror("getnameinfo EAI_SYSTEM"); |
| 2112 | else |
| 2113 | fprintf(stderr, "getnameinfo failed: %s\n", |
| 2114 | gai_strerror(err)); |
| 2115 | exit(2); |
| 2116 | } |
| 2117 | |
| 2118 | sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol); |
| 2119 | if (sock < 0) |
| 2120 | perror("socket"); |
| 2121 | if (bind(sock, ai->ai_addr, ai->ai_addrlen) < 0) { |
| 2122 | if (errno == EBADF) |
| 2123 | exit(3); |
| 2124 | } |
| 2125 | } |
| 2126 | exit(0); |
| 2127 | ]])], |
| 2128 | [ |
| 2129 | AC_MSG_RESULT([yes]) |
| 2130 | ], |
| 2131 | [ |
| 2132 | AC_MSG_RESULT([no]) |
| 2133 | AC_DEFINE([BROKEN_GETADDRINFO]) |
| 2134 | ], |
| 2135 | [ |
| 2136 | AC_MSG_RESULT([cross-compiling, assuming yes]) |
| 2137 | ] |
| 2138 | ) |
| 2139 | fi |
| 2140 | |
| 2141 | if test "x$ac_cv_func_getaddrinfo" = "xyes" && \ |
| 2142 | test "x$check_for_aix_broken_getaddrinfo" = "x1"; then |
| 2143 | AC_MSG_CHECKING([if getaddrinfo seems to work]) |
| 2144 | AC_RUN_IFELSE( |
| 2145 | [AC_LANG_PROGRAM([[ |
| 2146 | #include <stdio.h> |
| 2147 | #include <sys/socket.h> |
| 2148 | #include <netdb.h> |
| 2149 | #include <errno.h> |
| 2150 | #include <netinet/in.h> |
| 2151 | |
| 2152 | #define TEST_PORT "2222" |
| 2153 | ]], [[ |
| 2154 | int err, sock; |
| 2155 | struct addrinfo *gai_ai, *ai, hints; |
| 2156 | char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL; |
| 2157 | |
| 2158 | memset(&hints, 0, sizeof(hints)); |
| 2159 | hints.ai_family = PF_UNSPEC; |
| 2160 | hints.ai_socktype = SOCK_STREAM; |
| 2161 | hints.ai_flags = AI_PASSIVE; |
| 2162 | |
| 2163 | err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai); |
| 2164 | if (err != 0) { |
| 2165 | fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err)); |
| 2166 | exit(1); |
| 2167 | } |
| 2168 | |
| 2169 | for (ai = gai_ai; ai != NULL; ai = ai->ai_next) { |
| 2170 | if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6) |
| 2171 | continue; |
| 2172 | |
| 2173 | err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop, |
| 2174 | sizeof(ntop), strport, sizeof(strport), |
| 2175 | NI_NUMERICHOST|NI_NUMERICSERV); |
| 2176 | |
| 2177 | if (ai->ai_family == AF_INET && err != 0) { |
| 2178 | perror("getnameinfo"); |
| 2179 | exit(2); |
| 2180 | } |
| 2181 | } |
| 2182 | exit(0); |
| 2183 | ]])], |
| 2184 | [ |
| 2185 | AC_MSG_RESULT([yes]) |
| 2186 | AC_DEFINE([AIX_GETNAMEINFO_HACK], [1], |
| 2187 | [Define if you have a getaddrinfo that fails |
| 2188 | for the all-zeros IPv6 address]) |
| 2189 | ], |
| 2190 | [ |
| 2191 | AC_MSG_RESULT([no]) |
| 2192 | AC_DEFINE([BROKEN_GETADDRINFO]) |
| 2193 | ], |
| 2194 | [ |
| 2195 | AC_MSG_RESULT([cross-compiling, assuming no]) |
| 2196 | ] |
| 2197 | ) |
| 2198 | fi |
| 2199 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2200 | if test "x$ac_cv_func_getaddrinfo" = "xyes"; then |
| 2201 | AC_CHECK_DECLS(AI_NUMERICSERV, , , |
| 2202 | [#include <sys/types.h> |
| 2203 | #include <sys/socket.h> |
| 2204 | #include <netdb.h>]) |
| 2205 | fi |
| 2206 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2207 | if test "x$check_for_conflicting_getspnam" = "x1"; then |
| 2208 | AC_MSG_CHECKING([for conflicting getspnam in shadow.h]) |
| 2209 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <shadow.h> ]], |
| 2210 | [[ exit(0); ]])], |
| 2211 | [ |
| 2212 | AC_MSG_RESULT([no]) |
| 2213 | ], |
| 2214 | [ |
| 2215 | AC_MSG_RESULT([yes]) |
| 2216 | AC_DEFINE([GETSPNAM_CONFLICTING_DEFS], [1], |
| 2217 | [Conflicting defs for getspnam]) |
| 2218 | ] |
| 2219 | ) |
| 2220 | fi |
| 2221 | |
| 2222 | AC_FUNC_GETPGRP |
| 2223 | |
| 2224 | # Search for OpenSSL |
| 2225 | saved_CPPFLAGS="$CPPFLAGS" |
| 2226 | saved_LDFLAGS="$LDFLAGS" |
| 2227 | AC_ARG_WITH([ssl-dir], |
| 2228 | [ --with-ssl-dir=PATH Specify path to OpenSSL installation ], |
| 2229 | [ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2230 | if test "x$openssl" = "xno" ; then |
| 2231 | AC_MSG_ERROR([cannot use --with-ssl-dir when OpenSSL disabled]) |
| 2232 | fi |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2233 | if test "x$withval" != "xno" ; then |
| 2234 | case "$withval" in |
| 2235 | # Relative paths |
| 2236 | ./*|../*) withval="`pwd`/$withval" |
| 2237 | esac |
| 2238 | if test -d "$withval/lib"; then |
| 2239 | if test -n "${need_dash_r}"; then |
| 2240 | LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}" |
| 2241 | else |
| 2242 | LDFLAGS="-L${withval}/lib ${LDFLAGS}" |
| 2243 | fi |
| 2244 | elif test -d "$withval/lib64"; then |
| 2245 | if test -n "${need_dash_r}"; then |
| 2246 | LDFLAGS="-L${withval}/lib64 -R${withval}/lib64 ${LDFLAGS}" |
| 2247 | else |
| 2248 | LDFLAGS="-L${withval}/lib64 ${LDFLAGS}" |
| 2249 | fi |
| 2250 | else |
| 2251 | if test -n "${need_dash_r}"; then |
| 2252 | LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}" |
| 2253 | else |
| 2254 | LDFLAGS="-L${withval} ${LDFLAGS}" |
| 2255 | fi |
| 2256 | fi |
| 2257 | if test -d "$withval/include"; then |
| 2258 | CPPFLAGS="-I${withval}/include ${CPPFLAGS}" |
| 2259 | else |
| 2260 | CPPFLAGS="-I${withval} ${CPPFLAGS}" |
| 2261 | fi |
| 2262 | fi |
| 2263 | ] |
| 2264 | ) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2265 | |
| 2266 | AC_ARG_WITH([openssl-header-check], |
| 2267 | [ --without-openssl-header-check Disable OpenSSL version consistency check], |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2268 | [ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2269 | if test "x$withval" = "xno" ; then |
| 2270 | openssl_check_nonfatal=1 |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2271 | fi |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2272 | ] |
| 2273 | ) |
| 2274 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2275 | openssl_engine=no |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2276 | AC_ARG_WITH([ssl-engine], |
| 2277 | [ --with-ssl-engine Enable OpenSSL (hardware) ENGINE support ], |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2278 | [ |
| 2279 | if test "x$openssl" = "xno" ; then |
| 2280 | AC_MSG_ERROR([cannot use --with-ssl-engine when OpenSSL disabled]) |
| 2281 | fi |
| 2282 | if test "x$withval" != "xno" ; then |
| 2283 | openssl_engine=yes |
| 2284 | fi |
| 2285 | ] |
| 2286 | ) |
| 2287 | |
| 2288 | if test "x$openssl" = "xyes" ; then |
| 2289 | LIBS="-lcrypto $LIBS" |
| 2290 | AC_TRY_LINK_FUNC([RAND_add], [AC_DEFINE([HAVE_OPENSSL], [1], |
| 2291 | [Define if your ssl headers are included |
| 2292 | with #include <openssl/header.h>])], |
| 2293 | [ |
| 2294 | dnl Check default openssl install dir |
| 2295 | if test -n "${need_dash_r}"; then |
| 2296 | LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}" |
| 2297 | else |
| 2298 | LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}" |
| 2299 | fi |
| 2300 | CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}" |
| 2301 | AC_CHECK_HEADER([openssl/opensslv.h], , |
| 2302 | [AC_MSG_ERROR([*** OpenSSL headers missing - please install first or check config.log ***])]) |
| 2303 | AC_TRY_LINK_FUNC([RAND_add], [AC_DEFINE([HAVE_OPENSSL])], |
| 2304 | [ |
| 2305 | AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***]) |
| 2306 | ] |
| 2307 | ) |
| 2308 | ] |
| 2309 | ) |
| 2310 | |
| 2311 | # Determine OpenSSL header version |
| 2312 | AC_MSG_CHECKING([OpenSSL header version]) |
| 2313 | AC_RUN_IFELSE( |
| 2314 | [AC_LANG_PROGRAM([[ |
| 2315 | #include <stdio.h> |
| 2316 | #include <string.h> |
| 2317 | #include <openssl/opensslv.h> |
| 2318 | #define DATA "conftest.sslincver" |
| 2319 | ]], [[ |
| 2320 | FILE *fd; |
| 2321 | int rc; |
| 2322 | |
| 2323 | fd = fopen(DATA,"w"); |
| 2324 | if(fd == NULL) |
| 2325 | exit(1); |
| 2326 | |
| 2327 | if ((rc = fprintf(fd ,"%08x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0) |
| 2328 | exit(1); |
| 2329 | |
| 2330 | exit(0); |
| 2331 | ]])], |
| 2332 | [ |
| 2333 | ssl_header_ver=`cat conftest.sslincver` |
| 2334 | AC_MSG_RESULT([$ssl_header_ver]) |
| 2335 | ], |
| 2336 | [ |
| 2337 | AC_MSG_RESULT([not found]) |
| 2338 | AC_MSG_ERROR([OpenSSL version header not found.]) |
| 2339 | ], |
| 2340 | [ |
| 2341 | AC_MSG_WARN([cross compiling: not checking]) |
| 2342 | ] |
| 2343 | ) |
| 2344 | |
| 2345 | # Determine OpenSSL library version |
| 2346 | AC_MSG_CHECKING([OpenSSL library version]) |
| 2347 | AC_RUN_IFELSE( |
| 2348 | [AC_LANG_PROGRAM([[ |
| 2349 | #include <stdio.h> |
| 2350 | #include <string.h> |
| 2351 | #include <openssl/opensslv.h> |
| 2352 | #include <openssl/crypto.h> |
| 2353 | #define DATA "conftest.ssllibver" |
| 2354 | ]], [[ |
| 2355 | FILE *fd; |
| 2356 | int rc; |
| 2357 | |
| 2358 | fd = fopen(DATA,"w"); |
| 2359 | if(fd == NULL) |
| 2360 | exit(1); |
| 2361 | |
| 2362 | if ((rc = fprintf(fd ,"%08x (%s)\n", SSLeay(), |
| 2363 | SSLeay_version(SSLEAY_VERSION))) <0) |
| 2364 | exit(1); |
| 2365 | |
| 2366 | exit(0); |
| 2367 | ]])], |
| 2368 | [ |
| 2369 | ssl_library_ver=`cat conftest.ssllibver` |
| 2370 | # Check version is supported. |
| 2371 | case "$ssl_library_ver" in |
| 2372 | 0090[[0-7]]*|009080[[0-5]]*) |
| 2373 | AC_MSG_ERROR([OpenSSL >= 0.9.8f required (have "$ssl_library_ver")]) |
| 2374 | ;; |
| 2375 | *) ;; |
| 2376 | esac |
| 2377 | AC_MSG_RESULT([$ssl_library_ver]) |
| 2378 | ], |
| 2379 | [ |
| 2380 | AC_MSG_RESULT([not found]) |
| 2381 | AC_MSG_ERROR([OpenSSL library not found.]) |
| 2382 | ], |
| 2383 | [ |
| 2384 | AC_MSG_WARN([cross compiling: not checking]) |
| 2385 | ] |
| 2386 | ) |
| 2387 | |
| 2388 | # Sanity check OpenSSL headers |
| 2389 | AC_MSG_CHECKING([whether OpenSSL's headers match the library]) |
| 2390 | AC_RUN_IFELSE( |
| 2391 | [AC_LANG_PROGRAM([[ |
| 2392 | #include <string.h> |
| 2393 | #include <openssl/opensslv.h> |
| 2394 | ]], [[ |
| 2395 | exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); |
| 2396 | ]])], |
| 2397 | [ |
| 2398 | AC_MSG_RESULT([yes]) |
| 2399 | ], |
| 2400 | [ |
| 2401 | AC_MSG_RESULT([no]) |
| 2402 | if test "x$openssl_check_nonfatal" = "x"; then |
| 2403 | AC_MSG_ERROR([Your OpenSSL headers do not match your |
| 2404 | library. Check config.log for details. |
| 2405 | If you are sure your installation is consistent, you can disable the check |
| 2406 | by running "./configure --without-openssl-header-check". |
| 2407 | Also see contrib/findssl.sh for help identifying header/library mismatches. |
| 2408 | ]) |
| 2409 | else |
| 2410 | AC_MSG_WARN([Your OpenSSL headers do not match your |
| 2411 | library. Check config.log for details. |
| 2412 | Also see contrib/findssl.sh for help identifying header/library mismatches.]) |
| 2413 | fi |
| 2414 | ], |
| 2415 | [ |
| 2416 | AC_MSG_WARN([cross compiling: not checking]) |
| 2417 | ] |
| 2418 | ) |
| 2419 | |
| 2420 | AC_MSG_CHECKING([if programs using OpenSSL functions will link]) |
| 2421 | AC_LINK_IFELSE( |
| 2422 | [AC_LANG_PROGRAM([[ #include <openssl/evp.h> ]], |
| 2423 | [[ SSLeay_add_all_algorithms(); ]])], |
| 2424 | [ |
| 2425 | AC_MSG_RESULT([yes]) |
| 2426 | ], |
| 2427 | [ |
| 2428 | AC_MSG_RESULT([no]) |
| 2429 | saved_LIBS="$LIBS" |
| 2430 | LIBS="$LIBS -ldl" |
| 2431 | AC_MSG_CHECKING([if programs using OpenSSL need -ldl]) |
| 2432 | AC_LINK_IFELSE( |
| 2433 | [AC_LANG_PROGRAM([[ #include <openssl/evp.h> ]], |
| 2434 | [[ SSLeay_add_all_algorithms(); ]])], |
| 2435 | [ |
| 2436 | AC_MSG_RESULT([yes]) |
| 2437 | ], |
| 2438 | [ |
| 2439 | AC_MSG_RESULT([no]) |
| 2440 | LIBS="$saved_LIBS" |
| 2441 | ] |
| 2442 | ) |
| 2443 | ] |
| 2444 | ) |
| 2445 | |
| 2446 | AC_CHECK_FUNCS([ \ |
| 2447 | BN_is_prime_ex \ |
| 2448 | DSA_generate_parameters_ex \ |
| 2449 | EVP_DigestInit_ex \ |
| 2450 | EVP_DigestFinal_ex \ |
| 2451 | EVP_MD_CTX_init \ |
| 2452 | EVP_MD_CTX_cleanup \ |
| 2453 | EVP_MD_CTX_copy_ex \ |
| 2454 | HMAC_CTX_init \ |
| 2455 | RSA_generate_key_ex \ |
| 2456 | RSA_get_default_method \ |
| 2457 | ]) |
| 2458 | |
| 2459 | if test "x$openssl_engine" = "xyes" ; then |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2460 | AC_MSG_CHECKING([for OpenSSL ENGINE support]) |
| 2461 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2462 | #include <openssl/engine.h> |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2463 | ]], [[ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2464 | ENGINE_load_builtin_engines(); |
| 2465 | ENGINE_register_all_complete(); |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2466 | ]])], |
| 2467 | [ AC_MSG_RESULT([yes]) |
| 2468 | AC_DEFINE([USE_OPENSSL_ENGINE], [1], |
| 2469 | [Enable OpenSSL engine support]) |
| 2470 | ], [ AC_MSG_ERROR([OpenSSL ENGINE support not found]) |
| 2471 | ]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2472 | fi |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2473 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2474 | # Check for OpenSSL without EVP_aes_{192,256}_cbc |
| 2475 | AC_MSG_CHECKING([whether OpenSSL has crippled AES support]) |
| 2476 | AC_LINK_IFELSE( |
| 2477 | [AC_LANG_PROGRAM([[ |
| 2478 | #include <string.h> |
| 2479 | #include <openssl/evp.h> |
| 2480 | ]], [[ |
| 2481 | exit(EVP_aes_192_cbc() == NULL || EVP_aes_256_cbc() == NULL); |
| 2482 | ]])], |
| 2483 | [ |
| 2484 | AC_MSG_RESULT([no]) |
| 2485 | ], |
| 2486 | [ |
| 2487 | AC_MSG_RESULT([yes]) |
| 2488 | AC_DEFINE([OPENSSL_LOBOTOMISED_AES], [1], |
| 2489 | [libcrypto is missing AES 192 and 256 bit functions]) |
| 2490 | ] |
| 2491 | ) |
| 2492 | |
| 2493 | # Check for OpenSSL with EVP_aes_*ctr |
| 2494 | AC_MSG_CHECKING([whether OpenSSL has AES CTR via EVP]) |
| 2495 | AC_LINK_IFELSE( |
| 2496 | [AC_LANG_PROGRAM([[ |
| 2497 | #include <string.h> |
| 2498 | #include <openssl/evp.h> |
| 2499 | ]], [[ |
| 2500 | exit(EVP_aes_128_ctr() == NULL || |
| 2501 | EVP_aes_192_cbc() == NULL || |
| 2502 | EVP_aes_256_cbc() == NULL); |
| 2503 | ]])], |
| 2504 | [ |
| 2505 | AC_MSG_RESULT([yes]) |
| 2506 | AC_DEFINE([OPENSSL_HAVE_EVPCTR], [1], |
| 2507 | [libcrypto has EVP AES CTR]) |
| 2508 | ], |
| 2509 | [ |
| 2510 | AC_MSG_RESULT([no]) |
| 2511 | ] |
| 2512 | ) |
| 2513 | |
| 2514 | # Check for OpenSSL with EVP_aes_*gcm |
| 2515 | AC_MSG_CHECKING([whether OpenSSL has AES GCM via EVP]) |
| 2516 | AC_LINK_IFELSE( |
| 2517 | [AC_LANG_PROGRAM([[ |
| 2518 | #include <string.h> |
| 2519 | #include <openssl/evp.h> |
| 2520 | ]], [[ |
| 2521 | exit(EVP_aes_128_gcm() == NULL || |
| 2522 | EVP_aes_256_gcm() == NULL || |
| 2523 | EVP_CTRL_GCM_SET_IV_FIXED == 0 || |
| 2524 | EVP_CTRL_GCM_IV_GEN == 0 || |
| 2525 | EVP_CTRL_GCM_SET_TAG == 0 || |
| 2526 | EVP_CTRL_GCM_GET_TAG == 0 || |
| 2527 | EVP_CIPHER_CTX_ctrl(NULL, 0, 0, NULL) == 0); |
| 2528 | ]])], |
| 2529 | [ |
| 2530 | AC_MSG_RESULT([yes]) |
| 2531 | AC_DEFINE([OPENSSL_HAVE_EVPGCM], [1], |
| 2532 | [libcrypto has EVP AES GCM]) |
| 2533 | ], |
| 2534 | [ |
| 2535 | AC_MSG_RESULT([no]) |
| 2536 | unsupported_algorithms="$unsupported_cipers \ |
| 2537 | aes128-gcm@openssh.com aes256-gcm@openssh.com" |
| 2538 | ] |
| 2539 | ) |
| 2540 | |
| 2541 | AC_SEARCH_LIBS([EVP_CIPHER_CTX_ctrl], [crypto], |
| 2542 | [AC_DEFINE([HAVE_EVP_CIPHER_CTX_CTRL], [1], |
| 2543 | [Define if libcrypto has EVP_CIPHER_CTX_ctrl])]) |
| 2544 | |
| 2545 | AC_MSG_CHECKING([if EVP_DigestUpdate returns an int]) |
| 2546 | AC_LINK_IFELSE( |
| 2547 | [AC_LANG_PROGRAM([[ |
| 2548 | #include <string.h> |
| 2549 | #include <openssl/evp.h> |
| 2550 | ]], [[ |
| 2551 | if(EVP_DigestUpdate(NULL, NULL,0)) |
| 2552 | exit(0); |
| 2553 | ]])], |
| 2554 | [ |
| 2555 | AC_MSG_RESULT([yes]) |
| 2556 | ], |
| 2557 | [ |
| 2558 | AC_MSG_RESULT([no]) |
| 2559 | AC_DEFINE([OPENSSL_EVP_DIGESTUPDATE_VOID], [1], |
| 2560 | [Define if EVP_DigestUpdate returns void]) |
| 2561 | ] |
| 2562 | ) |
| 2563 | |
| 2564 | # Some systems want crypt() from libcrypt, *not* the version in OpenSSL, |
| 2565 | # because the system crypt() is more featureful. |
| 2566 | if test "x$check_for_libcrypt_before" = "x1"; then |
| 2567 | AC_CHECK_LIB([crypt], [crypt]) |
| 2568 | fi |
| 2569 | |
| 2570 | # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the |
| 2571 | # version in OpenSSL. |
| 2572 | if test "x$check_for_libcrypt_later" = "x1"; then |
| 2573 | AC_CHECK_LIB([crypt], [crypt], [LIBS="$LIBS -lcrypt"]) |
| 2574 | fi |
| 2575 | AC_CHECK_FUNCS([crypt DES_crypt]) |
| 2576 | |
| 2577 | # Search for SHA256 support in libc and/or OpenSSL |
| 2578 | AC_CHECK_FUNCS([SHA256_Update EVP_sha256], , |
| 2579 | [unsupported_algorithms="$unsupported_algorithms \ |
| 2580 | hmac-sha2-256 hmac-sha2-512 \ |
| 2581 | diffie-hellman-group-exchange-sha256 \ |
| 2582 | hmac-sha2-256-etm@openssh.com hmac-sha2-512-etm@openssh.com" |
| 2583 | ] |
| 2584 | ) |
| 2585 | # Search for RIPE-MD support in OpenSSL |
| 2586 | AC_CHECK_FUNCS([EVP_ripemd160], , |
| 2587 | [unsupported_algorithms="$unsupported_algorithms \ |
| 2588 | hmac-ripemd160 |
| 2589 | hmac-ripemd160@openssh.com |
| 2590 | hmac-ripemd160-etm@openssh.com" |
| 2591 | ] |
| 2592 | ) |
| 2593 | |
| 2594 | # Check complete ECC support in OpenSSL |
| 2595 | AC_MSG_CHECKING([whether OpenSSL has NID_X9_62_prime256v1]) |
| 2596 | AC_LINK_IFELSE( |
| 2597 | [AC_LANG_PROGRAM([[ |
| 2598 | #include <openssl/ec.h> |
| 2599 | #include <openssl/ecdh.h> |
| 2600 | #include <openssl/ecdsa.h> |
| 2601 | #include <openssl/evp.h> |
| 2602 | #include <openssl/objects.h> |
| 2603 | #include <openssl/opensslv.h> |
| 2604 | #if OPENSSL_VERSION_NUMBER < 0x0090807f /* 0.9.8g */ |
| 2605 | # error "OpenSSL < 0.9.8g has unreliable ECC code" |
| 2606 | #endif |
| 2607 | ]], [[ |
| 2608 | EC_KEY *e = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1); |
| 2609 | const EVP_MD *m = EVP_sha256(); /* We need this too */ |
| 2610 | ]])], |
| 2611 | [ AC_MSG_RESULT([yes]) |
| 2612 | enable_nistp256=1 ], |
| 2613 | [ AC_MSG_RESULT([no]) ] |
| 2614 | ) |
| 2615 | |
| 2616 | AC_MSG_CHECKING([whether OpenSSL has NID_secp384r1]) |
| 2617 | AC_LINK_IFELSE( |
| 2618 | [AC_LANG_PROGRAM([[ |
| 2619 | #include <openssl/ec.h> |
| 2620 | #include <openssl/ecdh.h> |
| 2621 | #include <openssl/ecdsa.h> |
| 2622 | #include <openssl/evp.h> |
| 2623 | #include <openssl/objects.h> |
| 2624 | #include <openssl/opensslv.h> |
| 2625 | #if OPENSSL_VERSION_NUMBER < 0x0090807f /* 0.9.8g */ |
| 2626 | # error "OpenSSL < 0.9.8g has unreliable ECC code" |
| 2627 | #endif |
| 2628 | ]], [[ |
| 2629 | EC_KEY *e = EC_KEY_new_by_curve_name(NID_secp384r1); |
| 2630 | const EVP_MD *m = EVP_sha384(); /* We need this too */ |
| 2631 | ]])], |
| 2632 | [ AC_MSG_RESULT([yes]) |
| 2633 | enable_nistp384=1 ], |
| 2634 | [ AC_MSG_RESULT([no]) ] |
| 2635 | ) |
| 2636 | |
| 2637 | AC_MSG_CHECKING([whether OpenSSL has NID_secp521r1]) |
| 2638 | AC_LINK_IFELSE( |
| 2639 | [AC_LANG_PROGRAM([[ |
| 2640 | #include <openssl/ec.h> |
| 2641 | #include <openssl/ecdh.h> |
| 2642 | #include <openssl/ecdsa.h> |
| 2643 | #include <openssl/evp.h> |
| 2644 | #include <openssl/objects.h> |
| 2645 | #include <openssl/opensslv.h> |
| 2646 | #if OPENSSL_VERSION_NUMBER < 0x0090807f /* 0.9.8g */ |
| 2647 | # error "OpenSSL < 0.9.8g has unreliable ECC code" |
| 2648 | #endif |
| 2649 | ]], [[ |
| 2650 | EC_KEY *e = EC_KEY_new_by_curve_name(NID_secp521r1); |
| 2651 | const EVP_MD *m = EVP_sha512(); /* We need this too */ |
| 2652 | ]])], |
| 2653 | [ AC_MSG_RESULT([yes]) |
| 2654 | AC_MSG_CHECKING([if OpenSSL's NID_secp521r1 is functional]) |
| 2655 | AC_RUN_IFELSE( |
| 2656 | [AC_LANG_PROGRAM([[ |
| 2657 | #include <openssl/ec.h> |
| 2658 | #include <openssl/ecdh.h> |
| 2659 | #include <openssl/ecdsa.h> |
| 2660 | #include <openssl/evp.h> |
| 2661 | #include <openssl/objects.h> |
| 2662 | #include <openssl/opensslv.h> |
| 2663 | ]],[[ |
| 2664 | EC_KEY *e = EC_KEY_new_by_curve_name(NID_secp521r1); |
| 2665 | const EVP_MD *m = EVP_sha512(); /* We need this too */ |
| 2666 | exit(e == NULL || m == NULL); |
| 2667 | ]])], |
| 2668 | [ AC_MSG_RESULT([yes]) |
| 2669 | enable_nistp521=1 ], |
| 2670 | [ AC_MSG_RESULT([no]) ], |
| 2671 | [ AC_MSG_WARN([cross-compiling: assuming yes]) |
| 2672 | enable_nistp521=1 ] |
| 2673 | )], |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2674 | AC_MSG_RESULT([no]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2675 | ) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2676 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2677 | COMMENT_OUT_ECC="#no ecc#" |
| 2678 | TEST_SSH_ECC=no |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2679 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2680 | if test x$enable_nistp256 = x1 || test x$enable_nistp384 = x1 || \ |
| 2681 | test x$enable_nistp521 = x1; then |
| 2682 | AC_DEFINE(OPENSSL_HAS_ECC, [1], [OpenSSL has ECC]) |
| 2683 | fi |
| 2684 | if test x$enable_nistp256 = x1; then |
| 2685 | AC_DEFINE([OPENSSL_HAS_NISTP256], [1], |
| 2686 | [libcrypto has NID_X9_62_prime256v1]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2687 | TEST_SSH_ECC=yes |
| 2688 | COMMENT_OUT_ECC="" |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2689 | else |
| 2690 | unsupported_algorithms="$unsupported_algorithms ecdsa-sha2-nistp256 \ |
| 2691 | ecdh-sha2-nistp256 ecdsa-sha2-nistp256-cert-v01@openssh.com" |
| 2692 | fi |
| 2693 | if test x$enable_nistp384 = x1; then |
| 2694 | AC_DEFINE([OPENSSL_HAS_NISTP384], [1], [libcrypto has NID_secp384r1]) |
| 2695 | TEST_SSH_ECC=yes |
| 2696 | COMMENT_OUT_ECC="" |
| 2697 | else |
| 2698 | unsupported_algorithms="$unsupported_algorithms ecdsa-sha2-nistp384 \ |
| 2699 | ecdh-sha2-nistp384 ecdsa-sha2-nistp384-cert-v01@openssh.com" |
| 2700 | fi |
| 2701 | if test x$enable_nistp521 = x1; then |
| 2702 | AC_DEFINE([OPENSSL_HAS_NISTP521], [1], [libcrypto has NID_secp521r1]) |
| 2703 | TEST_SSH_ECC=yes |
| 2704 | COMMENT_OUT_ECC="" |
| 2705 | else |
| 2706 | unsupported_algorithms="$unsupported_algorithms ecdh-sha2-nistp521 \ |
| 2707 | ecdsa-sha2-nistp521 ecdsa-sha2-nistp521-cert-v01@openssh.com" |
| 2708 | fi |
| 2709 | |
| 2710 | AC_SUBST([TEST_SSH_ECC]) |
| 2711 | AC_SUBST([COMMENT_OUT_ECC]) |
| 2712 | else |
| 2713 | AC_CHECK_LIB([crypt], [crypt], [LIBS="$LIBS -lcrypt"]) |
| 2714 | AC_CHECK_FUNCS([crypt]) |
| 2715 | fi |
| 2716 | |
| 2717 | AC_CHECK_FUNCS([ \ |
| 2718 | arc4random \ |
| 2719 | arc4random_buf \ |
| 2720 | arc4random_stir \ |
| 2721 | arc4random_uniform \ |
| 2722 | ]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2723 | |
| 2724 | saved_LIBS="$LIBS" |
| 2725 | AC_CHECK_LIB([iaf], [ia_openinfo], [ |
| 2726 | LIBS="$LIBS -liaf" |
| 2727 | AC_CHECK_FUNCS([set_id], [SSHDLIBS="$SSHDLIBS -liaf" |
| 2728 | AC_DEFINE([HAVE_LIBIAF], [1], |
| 2729 | [Define if system has libiaf that supports set_id]) |
| 2730 | ]) |
| 2731 | ]) |
| 2732 | LIBS="$saved_LIBS" |
| 2733 | |
| 2734 | ### Configure cryptographic random number support |
| 2735 | |
| 2736 | # Check wheter OpenSSL seeds itself |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2737 | if test "x$openssl" = "xyes" ; then |
| 2738 | AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded]) |
| 2739 | AC_RUN_IFELSE( |
| 2740 | [AC_LANG_PROGRAM([[ |
| 2741 | #include <string.h> |
| 2742 | #include <openssl/rand.h> |
| 2743 | ]], [[ |
| 2744 | exit(RAND_status() == 1 ? 0 : 1); |
| 2745 | ]])], |
| 2746 | [ |
| 2747 | OPENSSL_SEEDS_ITSELF=yes |
| 2748 | AC_MSG_RESULT([yes]) |
| 2749 | ], |
| 2750 | [ |
| 2751 | AC_MSG_RESULT([no]) |
| 2752 | ], |
| 2753 | [ |
| 2754 | AC_MSG_WARN([cross compiling: assuming yes]) |
| 2755 | # This is safe, since we will fatal() at runtime if |
| 2756 | # OpenSSL is not seeded correctly. |
| 2757 | OPENSSL_SEEDS_ITSELF=yes |
| 2758 | ] |
| 2759 | ) |
| 2760 | fi |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2761 | |
| 2762 | # PRNGD TCP socket |
| 2763 | AC_ARG_WITH([prngd-port], |
| 2764 | [ --with-prngd-port=PORT read entropy from PRNGD/EGD TCP localhost:PORT], |
| 2765 | [ |
| 2766 | case "$withval" in |
| 2767 | no) |
| 2768 | withval="" |
| 2769 | ;; |
| 2770 | [[0-9]]*) |
| 2771 | ;; |
| 2772 | *) |
| 2773 | AC_MSG_ERROR([You must specify a numeric port number for --with-prngd-port]) |
| 2774 | ;; |
| 2775 | esac |
| 2776 | if test ! -z "$withval" ; then |
| 2777 | PRNGD_PORT="$withval" |
| 2778 | AC_DEFINE_UNQUOTED([PRNGD_PORT], [$PRNGD_PORT], |
| 2779 | [Port number of PRNGD/EGD random number socket]) |
| 2780 | fi |
| 2781 | ] |
| 2782 | ) |
| 2783 | |
| 2784 | # PRNGD Unix domain socket |
| 2785 | AC_ARG_WITH([prngd-socket], |
| 2786 | [ --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)], |
| 2787 | [ |
| 2788 | case "$withval" in |
| 2789 | yes) |
| 2790 | withval="/var/run/egd-pool" |
| 2791 | ;; |
| 2792 | no) |
| 2793 | withval="" |
| 2794 | ;; |
| 2795 | /*) |
| 2796 | ;; |
| 2797 | *) |
| 2798 | AC_MSG_ERROR([You must specify an absolute path to the entropy socket]) |
| 2799 | ;; |
| 2800 | esac |
| 2801 | |
| 2802 | if test ! -z "$withval" ; then |
| 2803 | if test ! -z "$PRNGD_PORT" ; then |
| 2804 | AC_MSG_ERROR([You may not specify both a PRNGD/EGD port and socket]) |
| 2805 | fi |
| 2806 | if test ! -r "$withval" ; then |
| 2807 | AC_MSG_WARN([Entropy socket is not readable]) |
| 2808 | fi |
| 2809 | PRNGD_SOCKET="$withval" |
| 2810 | AC_DEFINE_UNQUOTED([PRNGD_SOCKET], ["$PRNGD_SOCKET"], |
| 2811 | [Location of PRNGD/EGD random number socket]) |
| 2812 | fi |
| 2813 | ], |
| 2814 | [ |
| 2815 | # Check for existing socket only if we don't have a random device already |
| 2816 | if test "x$OPENSSL_SEEDS_ITSELF" != "xyes" ; then |
| 2817 | AC_MSG_CHECKING([for PRNGD/EGD socket]) |
| 2818 | # Insert other locations here |
| 2819 | for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do |
| 2820 | if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then |
| 2821 | PRNGD_SOCKET="$sock" |
| 2822 | AC_DEFINE_UNQUOTED([PRNGD_SOCKET], ["$PRNGD_SOCKET"]) |
| 2823 | break; |
| 2824 | fi |
| 2825 | done |
| 2826 | if test ! -z "$PRNGD_SOCKET" ; then |
| 2827 | AC_MSG_RESULT([$PRNGD_SOCKET]) |
| 2828 | else |
| 2829 | AC_MSG_RESULT([not found]) |
| 2830 | fi |
| 2831 | fi |
| 2832 | ] |
| 2833 | ) |
| 2834 | |
| 2835 | # Which randomness source do we use? |
| 2836 | if test ! -z "$PRNGD_PORT" ; then |
| 2837 | RAND_MSG="PRNGd port $PRNGD_PORT" |
| 2838 | elif test ! -z "$PRNGD_SOCKET" ; then |
| 2839 | RAND_MSG="PRNGd socket $PRNGD_SOCKET" |
| 2840 | elif test ! -z "$OPENSSL_SEEDS_ITSELF" ; then |
| 2841 | AC_DEFINE([OPENSSL_PRNG_ONLY], [1], |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2842 | [Define if you want the OpenSSL internally seeded PRNG only]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2843 | RAND_MSG="OpenSSL internal ONLY" |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2844 | elif test "x$openssl" = "xno" ; then |
| 2845 | AC_MSG_WARN([OpenSSH will use /dev/urandom as a source of random numbers. It will fail if this device is not supported or accessible]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2846 | else |
| 2847 | AC_MSG_ERROR([OpenSSH has no source of random numbers. Please configure OpenSSL with an entropy source or re-run configure using one of the --with-prngd-port or --with-prngd-socket options]) |
| 2848 | fi |
| 2849 | |
| 2850 | # Check for PAM libs |
| 2851 | PAM_MSG="no" |
| 2852 | AC_ARG_WITH([pam], |
| 2853 | [ --with-pam Enable PAM support ], |
| 2854 | [ |
| 2855 | if test "x$withval" != "xno" ; then |
| 2856 | if test "x$ac_cv_header_security_pam_appl_h" != "xyes" && \ |
| 2857 | test "x$ac_cv_header_pam_pam_appl_h" != "xyes" ; then |
| 2858 | AC_MSG_ERROR([PAM headers not found]) |
| 2859 | fi |
| 2860 | |
| 2861 | saved_LIBS="$LIBS" |
| 2862 | AC_CHECK_LIB([dl], [dlopen], , ) |
| 2863 | AC_CHECK_LIB([pam], [pam_set_item], , [AC_MSG_ERROR([*** libpam missing])]) |
| 2864 | AC_CHECK_FUNCS([pam_getenvlist]) |
| 2865 | AC_CHECK_FUNCS([pam_putenv]) |
| 2866 | LIBS="$saved_LIBS" |
| 2867 | |
| 2868 | PAM_MSG="yes" |
| 2869 | |
| 2870 | SSHDLIBS="$SSHDLIBS -lpam" |
| 2871 | AC_DEFINE([USE_PAM], [1], |
| 2872 | [Define if you want to enable PAM support]) |
| 2873 | |
| 2874 | if test $ac_cv_lib_dl_dlopen = yes; then |
| 2875 | case "$LIBS" in |
| 2876 | *-ldl*) |
| 2877 | # libdl already in LIBS |
| 2878 | ;; |
| 2879 | *) |
| 2880 | SSHDLIBS="$SSHDLIBS -ldl" |
| 2881 | ;; |
| 2882 | esac |
| 2883 | fi |
| 2884 | fi |
| 2885 | ] |
| 2886 | ) |
| 2887 | |
| 2888 | # Check for older PAM |
| 2889 | if test "x$PAM_MSG" = "xyes" ; then |
| 2890 | # Check PAM strerror arguments (old PAM) |
| 2891 | AC_MSG_CHECKING([whether pam_strerror takes only one argument]) |
| 2892 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 2893 | #include <stdlib.h> |
| 2894 | #if defined(HAVE_SECURITY_PAM_APPL_H) |
| 2895 | #include <security/pam_appl.h> |
| 2896 | #elif defined (HAVE_PAM_PAM_APPL_H) |
| 2897 | #include <pam/pam_appl.h> |
| 2898 | #endif |
| 2899 | ]], [[ |
| 2900 | (void)pam_strerror((pam_handle_t *)NULL, -1); |
| 2901 | ]])], [AC_MSG_RESULT([no])], [ |
| 2902 | AC_DEFINE([HAVE_OLD_PAM], [1], |
| 2903 | [Define if you have an old version of PAM |
| 2904 | which takes only one argument to pam_strerror]) |
| 2905 | AC_MSG_RESULT([yes]) |
| 2906 | PAM_MSG="yes (old library)" |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2907 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2908 | ]) |
| 2909 | fi |
| 2910 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2911 | case "$host" in |
| 2912 | *-*-cygwin*) |
| 2913 | SSH_PRIVSEP_USER=CYGWIN_SSH_PRIVSEP_USER |
| 2914 | ;; |
| 2915 | *) |
| 2916 | SSH_PRIVSEP_USER=sshd |
| 2917 | ;; |
| 2918 | esac |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2919 | AC_ARG_WITH([privsep-user], |
| 2920 | [ --with-privsep-user=user Specify non-privileged user for privilege separation], |
| 2921 | [ |
| 2922 | if test -n "$withval" && test "x$withval" != "xno" && \ |
| 2923 | test "x${withval}" != "xyes"; then |
| 2924 | SSH_PRIVSEP_USER=$withval |
| 2925 | fi |
| 2926 | ] |
| 2927 | ) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2928 | if test "x$SSH_PRIVSEP_USER" = "xCYGWIN_SSH_PRIVSEP_USER" ; then |
| 2929 | AC_DEFINE_UNQUOTED([SSH_PRIVSEP_USER], [CYGWIN_SSH_PRIVSEP_USER], |
| 2930 | [Cygwin function to fetch non-privileged user for privilege separation]) |
| 2931 | else |
| 2932 | AC_DEFINE_UNQUOTED([SSH_PRIVSEP_USER], ["$SSH_PRIVSEP_USER"], |
| 2933 | [non-privileged user for privilege separation]) |
| 2934 | fi |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2935 | AC_SUBST([SSH_PRIVSEP_USER]) |
| 2936 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2937 | if test "x$have_linux_no_new_privs" = "x1" ; then |
| 2938 | AC_CHECK_DECL([SECCOMP_MODE_FILTER], [have_seccomp_filter=1], , [ |
| 2939 | #include <sys/types.h> |
| 2940 | #include <linux/seccomp.h> |
| 2941 | ]) |
| 2942 | fi |
| 2943 | if test "x$have_seccomp_filter" = "x1" ; then |
| 2944 | AC_MSG_CHECKING([kernel for seccomp_filter support]) |
| 2945 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
| 2946 | #include <errno.h> |
| 2947 | #include <elf.h> |
| 2948 | #include <linux/audit.h> |
| 2949 | #include <linux/seccomp.h> |
| 2950 | #include <stdlib.h> |
| 2951 | #include <sys/prctl.h> |
| 2952 | ]], |
| 2953 | [[ int i = $seccomp_audit_arch; |
| 2954 | errno = 0; |
| 2955 | prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, NULL, 0, 0); |
| 2956 | exit(errno == EFAULT ? 0 : 1); ]])], |
| 2957 | [ AC_MSG_RESULT([yes]) ], [ |
| 2958 | AC_MSG_RESULT([no]) |
| 2959 | # Disable seccomp filter as a target |
| 2960 | have_seccomp_filter=0 |
| 2961 | ] |
| 2962 | ) |
| 2963 | fi |
| 2964 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2965 | # Decide which sandbox style to use |
| 2966 | sandbox_arg="" |
| 2967 | AC_ARG_WITH([sandbox], |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2968 | [ --with-sandbox=style Specify privilege separation sandbox (no, darwin, rlimit, systrace, seccomp_filter, capsicum)], |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2969 | [ |
| 2970 | if test "x$withval" = "xyes" ; then |
| 2971 | sandbox_arg="" |
| 2972 | else |
| 2973 | sandbox_arg="$withval" |
| 2974 | fi |
| 2975 | ] |
| 2976 | ) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 2977 | |
| 2978 | # Some platforms (seems to be the ones that have a kernel poll(2)-type |
| 2979 | # function with which they implement select(2)) use an extra file descriptor |
| 2980 | # when calling select(2), which means we can't use the rlimit sandbox. |
| 2981 | AC_MSG_CHECKING([if select works with descriptor rlimit]) |
| 2982 | AC_RUN_IFELSE( |
| 2983 | [AC_LANG_PROGRAM([[ |
| 2984 | #include <sys/types.h> |
| 2985 | #ifdef HAVE_SYS_TIME_H |
| 2986 | # include <sys/time.h> |
| 2987 | #endif |
| 2988 | #include <sys/resource.h> |
| 2989 | #ifdef HAVE_SYS_SELECT_H |
| 2990 | # include <sys/select.h> |
| 2991 | #endif |
| 2992 | #include <errno.h> |
| 2993 | #include <fcntl.h> |
| 2994 | #include <stdlib.h> |
| 2995 | ]],[[ |
| 2996 | struct rlimit rl_zero; |
| 2997 | int fd, r; |
| 2998 | fd_set fds; |
| 2999 | struct timeval tv; |
| 3000 | |
| 3001 | fd = open("/dev/null", O_RDONLY); |
| 3002 | FD_ZERO(&fds); |
| 3003 | FD_SET(fd, &fds); |
| 3004 | rl_zero.rlim_cur = rl_zero.rlim_max = 0; |
| 3005 | setrlimit(RLIMIT_FSIZE, &rl_zero); |
| 3006 | setrlimit(RLIMIT_NOFILE, &rl_zero); |
| 3007 | tv.tv_sec = 1; |
| 3008 | tv.tv_usec = 0; |
| 3009 | r = select(fd+1, &fds, NULL, NULL, &tv); |
| 3010 | exit (r == -1 ? 1 : 0); |
| 3011 | ]])], |
| 3012 | [AC_MSG_RESULT([yes]) |
| 3013 | select_works_with_rlimit=yes], |
| 3014 | [AC_MSG_RESULT([no]) |
| 3015 | select_works_with_rlimit=no], |
| 3016 | [AC_MSG_WARN([cross compiling: assuming yes])] |
| 3017 | ) |
| 3018 | |
| 3019 | AC_MSG_CHECKING([if setrlimit(RLIMIT_NOFILE,{0,0}) works]) |
| 3020 | AC_RUN_IFELSE( |
| 3021 | [AC_LANG_PROGRAM([[ |
| 3022 | #include <sys/types.h> |
| 3023 | #ifdef HAVE_SYS_TIME_H |
| 3024 | # include <sys/time.h> |
| 3025 | #endif |
| 3026 | #include <sys/resource.h> |
| 3027 | #include <errno.h> |
| 3028 | #include <stdlib.h> |
| 3029 | ]],[[ |
| 3030 | struct rlimit rl_zero; |
| 3031 | int fd, r; |
| 3032 | fd_set fds; |
| 3033 | |
| 3034 | rl_zero.rlim_cur = rl_zero.rlim_max = 0; |
| 3035 | r = setrlimit(RLIMIT_NOFILE, &rl_zero); |
| 3036 | exit (r == -1 ? 1 : 0); |
| 3037 | ]])], |
| 3038 | [AC_MSG_RESULT([yes]) |
| 3039 | rlimit_nofile_zero_works=yes], |
| 3040 | [AC_MSG_RESULT([no]) |
| 3041 | rlimit_nofile_zero_works=no], |
| 3042 | [AC_MSG_WARN([cross compiling: assuming yes])] |
| 3043 | ) |
| 3044 | |
| 3045 | AC_MSG_CHECKING([if setrlimit RLIMIT_FSIZE works]) |
| 3046 | AC_RUN_IFELSE( |
| 3047 | [AC_LANG_PROGRAM([[ |
| 3048 | #include <sys/types.h> |
| 3049 | #include <sys/resource.h> |
| 3050 | #include <stdlib.h> |
| 3051 | ]],[[ |
| 3052 | struct rlimit rl_zero; |
| 3053 | |
| 3054 | rl_zero.rlim_cur = rl_zero.rlim_max = 0; |
| 3055 | exit(setrlimit(RLIMIT_FSIZE, &rl_zero) != 0); |
| 3056 | ]])], |
| 3057 | [AC_MSG_RESULT([yes])], |
| 3058 | [AC_MSG_RESULT([no]) |
| 3059 | AC_DEFINE(SANDBOX_SKIP_RLIMIT_FSIZE, 1, |
| 3060 | [setrlimit RLIMIT_FSIZE works])], |
| 3061 | [AC_MSG_WARN([cross compiling: assuming yes])] |
| 3062 | ) |
| 3063 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3064 | if test "x$sandbox_arg" = "xsystrace" || \ |
| 3065 | ( test -z "$sandbox_arg" && test "x$have_systr_policy_kill" = "x1" ) ; then |
| 3066 | test "x$have_systr_policy_kill" != "x1" && \ |
| 3067 | AC_MSG_ERROR([systrace sandbox requires systrace headers and SYSTR_POLICY_KILL support]) |
| 3068 | SANDBOX_STYLE="systrace" |
| 3069 | AC_DEFINE([SANDBOX_SYSTRACE], [1], [Sandbox using systrace(4)]) |
| 3070 | elif test "x$sandbox_arg" = "xdarwin" || \ |
| 3071 | ( test -z "$sandbox_arg" && test "x$ac_cv_func_sandbox_init" = "xyes" && \ |
| 3072 | test "x$ac_cv_header_sandbox_h" = "xyes") ; then |
| 3073 | test "x$ac_cv_func_sandbox_init" != "xyes" -o \ |
| 3074 | "x$ac_cv_header_sandbox_h" != "xyes" && \ |
| 3075 | AC_MSG_ERROR([Darwin seatbelt sandbox requires sandbox.h and sandbox_init function]) |
| 3076 | SANDBOX_STYLE="darwin" |
| 3077 | AC_DEFINE([SANDBOX_DARWIN], [1], [Sandbox using Darwin sandbox_init(3)]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 3078 | elif test "x$sandbox_arg" = "xseccomp_filter" || \ |
| 3079 | ( test -z "$sandbox_arg" && \ |
| 3080 | test "x$have_seccomp_filter" = "x1" && \ |
| 3081 | test "x$ac_cv_header_elf_h" = "xyes" && \ |
| 3082 | test "x$ac_cv_header_linux_audit_h" = "xyes" && \ |
| 3083 | test "x$ac_cv_header_linux_filter_h" = "xyes" && \ |
| 3084 | test "x$seccomp_audit_arch" != "x" && \ |
| 3085 | test "x$have_linux_no_new_privs" = "x1" && \ |
| 3086 | test "x$ac_cv_func_prctl" = "xyes" ) ; then |
| 3087 | test "x$seccomp_audit_arch" = "x" && \ |
| 3088 | AC_MSG_ERROR([seccomp_filter sandbox not supported on $host]) |
| 3089 | test "x$have_linux_no_new_privs" != "x1" && \ |
| 3090 | AC_MSG_ERROR([seccomp_filter sandbox requires PR_SET_NO_NEW_PRIVS]) |
| 3091 | test "x$have_seccomp_filter" != "x1" && \ |
| 3092 | AC_MSG_ERROR([seccomp_filter sandbox requires seccomp headers]) |
| 3093 | test "x$ac_cv_func_prctl" != "xyes" && \ |
| 3094 | AC_MSG_ERROR([seccomp_filter sandbox requires prctl function]) |
| 3095 | SANDBOX_STYLE="seccomp_filter" |
| 3096 | AC_DEFINE([SANDBOX_SECCOMP_FILTER], [1], [Sandbox using seccomp filter]) |
| 3097 | elif test "x$sandbox_arg" = "xcapsicum" || \ |
| 3098 | ( test -z "$sandbox_arg" && \ |
| 3099 | test "x$ac_cv_header_sys_capability_h" = "xyes" && \ |
| 3100 | test "x$ac_cv_func_cap_rights_limit" = "xyes") ; then |
| 3101 | test "x$ac_cv_header_sys_capability_h" != "xyes" && \ |
| 3102 | AC_MSG_ERROR([capsicum sandbox requires sys/capability.h header]) |
| 3103 | test "x$ac_cv_func_cap_rights_limit" != "xyes" && \ |
| 3104 | AC_MSG_ERROR([capsicum sandbox requires cap_rights_limit function]) |
| 3105 | SANDBOX_STYLE="capsicum" |
| 3106 | AC_DEFINE([SANDBOX_CAPSICUM], [1], [Sandbox using capsicum]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3107 | elif test "x$sandbox_arg" = "xrlimit" || \ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 3108 | ( test -z "$sandbox_arg" && test "x$ac_cv_func_setrlimit" = "xyes" && \ |
| 3109 | test "x$select_works_with_rlimit" = "xyes" && \ |
| 3110 | test "x$rlimit_nofile_zero_works" = "xyes" ) ; then |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3111 | test "x$ac_cv_func_setrlimit" != "xyes" && \ |
| 3112 | AC_MSG_ERROR([rlimit sandbox requires setrlimit function]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 3113 | test "x$select_works_with_rlimit" != "xyes" && \ |
| 3114 | AC_MSG_ERROR([rlimit sandbox requires select to work with rlimit]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3115 | SANDBOX_STYLE="rlimit" |
| 3116 | AC_DEFINE([SANDBOX_RLIMIT], [1], [Sandbox using setrlimit(2)]) |
| 3117 | elif test -z "$sandbox_arg" || test "x$sandbox_arg" = "xno" || \ |
| 3118 | test "x$sandbox_arg" = "xnone" || test "x$sandbox_arg" = "xnull" ; then |
| 3119 | SANDBOX_STYLE="none" |
| 3120 | AC_DEFINE([SANDBOX_NULL], [1], [no privsep sandboxing]) |
| 3121 | else |
| 3122 | AC_MSG_ERROR([unsupported --with-sandbox]) |
| 3123 | fi |
| 3124 | |
| 3125 | # Cheap hack to ensure NEWS-OS libraries are arranged right. |
| 3126 | if test ! -z "$SONY" ; then |
| 3127 | LIBS="$LIBS -liberty"; |
| 3128 | fi |
| 3129 | |
| 3130 | # Check for long long datatypes |
| 3131 | AC_CHECK_TYPES([long long, unsigned long long, long double]) |
| 3132 | |
| 3133 | # Check datatype sizes |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3134 | AC_CHECK_SIZEOF([short int], [2]) |
| 3135 | AC_CHECK_SIZEOF([int], [4]) |
| 3136 | AC_CHECK_SIZEOF([long int], [4]) |
| 3137 | AC_CHECK_SIZEOF([long long int], [8]) |
| 3138 | |
| 3139 | # Sanity check long long for some platforms (AIX) |
| 3140 | if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then |
| 3141 | ac_cv_sizeof_long_long_int=0 |
| 3142 | fi |
| 3143 | |
| 3144 | # compute LLONG_MIN and LLONG_MAX if we don't know them. |
| 3145 | if test -z "$have_llong_max"; then |
| 3146 | AC_MSG_CHECKING([for max value of long long]) |
| 3147 | AC_RUN_IFELSE( |
| 3148 | [AC_LANG_PROGRAM([[ |
| 3149 | #include <stdio.h> |
| 3150 | /* Why is this so damn hard? */ |
| 3151 | #ifdef __GNUC__ |
| 3152 | # undef __GNUC__ |
| 3153 | #endif |
| 3154 | #define __USE_ISOC99 |
| 3155 | #include <limits.h> |
| 3156 | #define DATA "conftest.llminmax" |
| 3157 | #define my_abs(a) ((a) < 0 ? ((a) * -1) : (a)) |
| 3158 | |
| 3159 | /* |
| 3160 | * printf in libc on some platforms (eg old Tru64) does not understand %lld so |
| 3161 | * we do this the hard way. |
| 3162 | */ |
| 3163 | static int |
| 3164 | fprint_ll(FILE *f, long long n) |
| 3165 | { |
| 3166 | unsigned int i; |
| 3167 | int l[sizeof(long long) * 8]; |
| 3168 | |
| 3169 | if (n < 0) |
| 3170 | if (fprintf(f, "-") < 0) |
| 3171 | return -1; |
| 3172 | for (i = 0; n != 0; i++) { |
| 3173 | l[i] = my_abs(n % 10); |
| 3174 | n /= 10; |
| 3175 | } |
| 3176 | do { |
| 3177 | if (fprintf(f, "%d", l[--i]) < 0) |
| 3178 | return -1; |
| 3179 | } while (i != 0); |
| 3180 | if (fprintf(f, " ") < 0) |
| 3181 | return -1; |
| 3182 | return 0; |
| 3183 | } |
| 3184 | ]], [[ |
| 3185 | FILE *f; |
| 3186 | long long i, llmin, llmax = 0; |
| 3187 | |
| 3188 | if((f = fopen(DATA,"w")) == NULL) |
| 3189 | exit(1); |
| 3190 | |
| 3191 | #if defined(LLONG_MIN) && defined(LLONG_MAX) |
| 3192 | fprintf(stderr, "Using system header for LLONG_MIN and LLONG_MAX\n"); |
| 3193 | llmin = LLONG_MIN; |
| 3194 | llmax = LLONG_MAX; |
| 3195 | #else |
| 3196 | fprintf(stderr, "Calculating LLONG_MIN and LLONG_MAX\n"); |
| 3197 | /* This will work on one's complement and two's complement */ |
| 3198 | for (i = 1; i > llmax; i <<= 1, i++) |
| 3199 | llmax = i; |
| 3200 | llmin = llmax + 1LL; /* wrap */ |
| 3201 | #endif |
| 3202 | |
| 3203 | /* Sanity check */ |
| 3204 | if (llmin + 1 < llmin || llmin - 1 < llmin || llmax + 1 > llmax |
| 3205 | || llmax - 1 > llmax || llmin == llmax || llmin == 0 |
| 3206 | || llmax == 0 || llmax < LONG_MAX || llmin > LONG_MIN) { |
| 3207 | fprintf(f, "unknown unknown\n"); |
| 3208 | exit(2); |
| 3209 | } |
| 3210 | |
| 3211 | if (fprint_ll(f, llmin) < 0) |
| 3212 | exit(3); |
| 3213 | if (fprint_ll(f, llmax) < 0) |
| 3214 | exit(4); |
| 3215 | if (fclose(f) < 0) |
| 3216 | exit(5); |
| 3217 | exit(0); |
| 3218 | ]])], |
| 3219 | [ |
| 3220 | llong_min=`$AWK '{print $1}' conftest.llminmax` |
| 3221 | llong_max=`$AWK '{print $2}' conftest.llminmax` |
| 3222 | |
| 3223 | AC_MSG_RESULT([$llong_max]) |
| 3224 | AC_DEFINE_UNQUOTED([LLONG_MAX], [${llong_max}LL], |
| 3225 | [max value of long long calculated by configure]) |
| 3226 | AC_MSG_CHECKING([for min value of long long]) |
| 3227 | AC_MSG_RESULT([$llong_min]) |
| 3228 | AC_DEFINE_UNQUOTED([LLONG_MIN], [${llong_min}LL], |
| 3229 | [min value of long long calculated by configure]) |
| 3230 | ], |
| 3231 | [ |
| 3232 | AC_MSG_RESULT([not found]) |
| 3233 | ], |
| 3234 | [ |
| 3235 | AC_MSG_WARN([cross compiling: not checking]) |
| 3236 | ] |
| 3237 | ) |
| 3238 | fi |
| 3239 | |
| 3240 | |
| 3241 | # More checks for data types |
| 3242 | AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [ |
| 3243 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], |
| 3244 | [[ u_int a; a = 1;]])], |
| 3245 | [ ac_cv_have_u_int="yes" ], [ ac_cv_have_u_int="no" |
| 3246 | ]) |
| 3247 | ]) |
| 3248 | if test "x$ac_cv_have_u_int" = "xyes" ; then |
| 3249 | AC_DEFINE([HAVE_U_INT], [1], [define if you have u_int data type]) |
| 3250 | have_u_int=1 |
| 3251 | fi |
| 3252 | |
| 3253 | AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [ |
| 3254 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], |
| 3255 | [[ int8_t a; int16_t b; int32_t c; a = b = c = 1;]])], |
| 3256 | [ ac_cv_have_intxx_t="yes" ], [ ac_cv_have_intxx_t="no" |
| 3257 | ]) |
| 3258 | ]) |
| 3259 | if test "x$ac_cv_have_intxx_t" = "xyes" ; then |
| 3260 | AC_DEFINE([HAVE_INTXX_T], [1], [define if you have intxx_t data type]) |
| 3261 | have_intxx_t=1 |
| 3262 | fi |
| 3263 | |
| 3264 | if (test -z "$have_intxx_t" && \ |
| 3265 | test "x$ac_cv_header_stdint_h" = "xyes") |
| 3266 | then |
| 3267 | AC_MSG_CHECKING([for intXX_t types in stdint.h]) |
| 3268 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <stdint.h> ]], |
| 3269 | [[ int8_t a; int16_t b; int32_t c; a = b = c = 1;]])], |
| 3270 | [ |
| 3271 | AC_DEFINE([HAVE_INTXX_T]) |
| 3272 | AC_MSG_RESULT([yes]) |
| 3273 | ], [ AC_MSG_RESULT([no]) |
| 3274 | ]) |
| 3275 | fi |
| 3276 | |
| 3277 | AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [ |
| 3278 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3279 | #include <sys/types.h> |
| 3280 | #ifdef HAVE_STDINT_H |
| 3281 | # include <stdint.h> |
| 3282 | #endif |
| 3283 | #include <sys/socket.h> |
| 3284 | #ifdef HAVE_SYS_BITYPES_H |
| 3285 | # include <sys/bitypes.h> |
| 3286 | #endif |
| 3287 | ]], [[ |
| 3288 | int64_t a; a = 1; |
| 3289 | ]])], |
| 3290 | [ ac_cv_have_int64_t="yes" ], [ ac_cv_have_int64_t="no" |
| 3291 | ]) |
| 3292 | ]) |
| 3293 | if test "x$ac_cv_have_int64_t" = "xyes" ; then |
| 3294 | AC_DEFINE([HAVE_INT64_T], [1], [define if you have int64_t data type]) |
| 3295 | fi |
| 3296 | |
| 3297 | AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [ |
| 3298 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], |
| 3299 | [[ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;]])], |
| 3300 | [ ac_cv_have_u_intxx_t="yes" ], [ ac_cv_have_u_intxx_t="no" |
| 3301 | ]) |
| 3302 | ]) |
| 3303 | if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then |
| 3304 | AC_DEFINE([HAVE_U_INTXX_T], [1], [define if you have u_intxx_t data type]) |
| 3305 | have_u_intxx_t=1 |
| 3306 | fi |
| 3307 | |
| 3308 | if test -z "$have_u_intxx_t" ; then |
| 3309 | AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h]) |
| 3310 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/socket.h> ]], |
| 3311 | [[ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;]])], |
| 3312 | [ |
| 3313 | AC_DEFINE([HAVE_U_INTXX_T]) |
| 3314 | AC_MSG_RESULT([yes]) |
| 3315 | ], [ AC_MSG_RESULT([no]) |
| 3316 | ]) |
| 3317 | fi |
| 3318 | |
| 3319 | AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [ |
| 3320 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], |
| 3321 | [[ u_int64_t a; a = 1;]])], |
| 3322 | [ ac_cv_have_u_int64_t="yes" ], [ ac_cv_have_u_int64_t="no" |
| 3323 | ]) |
| 3324 | ]) |
| 3325 | if test "x$ac_cv_have_u_int64_t" = "xyes" ; then |
| 3326 | AC_DEFINE([HAVE_U_INT64_T], [1], [define if you have u_int64_t data type]) |
| 3327 | have_u_int64_t=1 |
| 3328 | fi |
| 3329 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 3330 | if (test -z "$have_u_int64_t" && \ |
| 3331 | test "x$ac_cv_header_sys_bitypes_h" = "xyes") |
| 3332 | then |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3333 | AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h]) |
| 3334 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/bitypes.h> ]], |
| 3335 | [[ u_int64_t a; a = 1]])], |
| 3336 | [ |
| 3337 | AC_DEFINE([HAVE_U_INT64_T]) |
| 3338 | AC_MSG_RESULT([yes]) |
| 3339 | ], [ AC_MSG_RESULT([no]) |
| 3340 | ]) |
| 3341 | fi |
| 3342 | |
| 3343 | if test -z "$have_u_intxx_t" ; then |
| 3344 | AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [ |
| 3345 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3346 | #include <sys/types.h> |
| 3347 | ]], [[ |
| 3348 | uint8_t a; |
| 3349 | uint16_t b; |
| 3350 | uint32_t c; |
| 3351 | a = b = c = 1; |
| 3352 | ]])], |
| 3353 | [ ac_cv_have_uintxx_t="yes" ], [ ac_cv_have_uintxx_t="no" |
| 3354 | ]) |
| 3355 | ]) |
| 3356 | if test "x$ac_cv_have_uintxx_t" = "xyes" ; then |
| 3357 | AC_DEFINE([HAVE_UINTXX_T], [1], |
| 3358 | [define if you have uintxx_t data type]) |
| 3359 | fi |
| 3360 | fi |
| 3361 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 3362 | if (test -z "$have_uintxx_t" && \ |
| 3363 | test "x$ac_cv_header_stdint_h" = "xyes") |
| 3364 | then |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3365 | AC_MSG_CHECKING([for uintXX_t types in stdint.h]) |
| 3366 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <stdint.h> ]], |
| 3367 | [[ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;]])], |
| 3368 | [ |
| 3369 | AC_DEFINE([HAVE_UINTXX_T]) |
| 3370 | AC_MSG_RESULT([yes]) |
| 3371 | ], [ AC_MSG_RESULT([no]) |
| 3372 | ]) |
| 3373 | fi |
| 3374 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 3375 | if (test -z "$have_uintxx_t" && \ |
| 3376 | test "x$ac_cv_header_inttypes_h" = "xyes") |
| 3377 | then |
| 3378 | AC_MSG_CHECKING([for uintXX_t types in inttypes.h]) |
| 3379 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <inttypes.h> ]], |
| 3380 | [[ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;]])], |
| 3381 | [ |
| 3382 | AC_DEFINE([HAVE_UINTXX_T]) |
| 3383 | AC_MSG_RESULT([yes]) |
| 3384 | ], [ AC_MSG_RESULT([no]) |
| 3385 | ]) |
| 3386 | fi |
| 3387 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3388 | if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \ |
| 3389 | test "x$ac_cv_header_sys_bitypes_h" = "xyes") |
| 3390 | then |
| 3391 | AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h]) |
| 3392 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3393 | #include <sys/bitypes.h> |
| 3394 | ]], [[ |
| 3395 | int8_t a; int16_t b; int32_t c; |
| 3396 | u_int8_t e; u_int16_t f; u_int32_t g; |
| 3397 | a = b = c = e = f = g = 1; |
| 3398 | ]])], |
| 3399 | [ |
| 3400 | AC_DEFINE([HAVE_U_INTXX_T]) |
| 3401 | AC_DEFINE([HAVE_INTXX_T]) |
| 3402 | AC_MSG_RESULT([yes]) |
| 3403 | ], [AC_MSG_RESULT([no]) |
| 3404 | ]) |
| 3405 | fi |
| 3406 | |
| 3407 | |
| 3408 | AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [ |
| 3409 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], |
| 3410 | [[ u_char foo; foo = 125; ]])], |
| 3411 | [ ac_cv_have_u_char="yes" ], [ ac_cv_have_u_char="no" |
| 3412 | ]) |
| 3413 | ]) |
| 3414 | if test "x$ac_cv_have_u_char" = "xyes" ; then |
| 3415 | AC_DEFINE([HAVE_U_CHAR], [1], [define if you have u_char data type]) |
| 3416 | fi |
| 3417 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 3418 | AC_CHECK_TYPES([intmax_t, uintmax_t], , , [ |
| 3419 | #include <sys/types.h> |
| 3420 | #include <stdint.h> |
| 3421 | ]) |
| 3422 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3423 | TYPE_SOCKLEN_T |
| 3424 | |
| 3425 | AC_CHECK_TYPES([sig_atomic_t], , , [#include <signal.h>]) |
| 3426 | AC_CHECK_TYPES([fsblkcnt_t, fsfilcnt_t], , , [ |
| 3427 | #include <sys/types.h> |
| 3428 | #ifdef HAVE_SYS_BITYPES_H |
| 3429 | #include <sys/bitypes.h> |
| 3430 | #endif |
| 3431 | #ifdef HAVE_SYS_STATFS_H |
| 3432 | #include <sys/statfs.h> |
| 3433 | #endif |
| 3434 | #ifdef HAVE_SYS_STATVFS_H |
| 3435 | #include <sys/statvfs.h> |
| 3436 | #endif |
| 3437 | ]) |
| 3438 | |
| 3439 | AC_CHECK_TYPES([in_addr_t, in_port_t], , , |
| 3440 | [#include <sys/types.h> |
| 3441 | #include <netinet/in.h>]) |
| 3442 | |
| 3443 | AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [ |
| 3444 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], |
| 3445 | [[ size_t foo; foo = 1235; ]])], |
| 3446 | [ ac_cv_have_size_t="yes" ], [ ac_cv_have_size_t="no" |
| 3447 | ]) |
| 3448 | ]) |
| 3449 | if test "x$ac_cv_have_size_t" = "xyes" ; then |
| 3450 | AC_DEFINE([HAVE_SIZE_T], [1], [define if you have size_t data type]) |
| 3451 | fi |
| 3452 | |
| 3453 | AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [ |
| 3454 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], |
| 3455 | [[ ssize_t foo; foo = 1235; ]])], |
| 3456 | [ ac_cv_have_ssize_t="yes" ], [ ac_cv_have_ssize_t="no" |
| 3457 | ]) |
| 3458 | ]) |
| 3459 | if test "x$ac_cv_have_ssize_t" = "xyes" ; then |
| 3460 | AC_DEFINE([HAVE_SSIZE_T], [1], [define if you have ssize_t data type]) |
| 3461 | fi |
| 3462 | |
| 3463 | AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [ |
| 3464 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <time.h> ]], |
| 3465 | [[ clock_t foo; foo = 1235; ]])], |
| 3466 | [ ac_cv_have_clock_t="yes" ], [ ac_cv_have_clock_t="no" |
| 3467 | ]) |
| 3468 | ]) |
| 3469 | if test "x$ac_cv_have_clock_t" = "xyes" ; then |
| 3470 | AC_DEFINE([HAVE_CLOCK_T], [1], [define if you have clock_t data type]) |
| 3471 | fi |
| 3472 | |
| 3473 | AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [ |
| 3474 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3475 | #include <sys/types.h> |
| 3476 | #include <sys/socket.h> |
| 3477 | ]], [[ sa_family_t foo; foo = 1235; ]])], |
| 3478 | [ ac_cv_have_sa_family_t="yes" ], |
| 3479 | [ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3480 | #include <sys/types.h> |
| 3481 | #include <sys/socket.h> |
| 3482 | #include <netinet/in.h> |
| 3483 | ]], [[ sa_family_t foo; foo = 1235; ]])], |
| 3484 | [ ac_cv_have_sa_family_t="yes" ], |
| 3485 | [ ac_cv_have_sa_family_t="no" ] |
| 3486 | ) |
| 3487 | ]) |
| 3488 | ]) |
| 3489 | if test "x$ac_cv_have_sa_family_t" = "xyes" ; then |
| 3490 | AC_DEFINE([HAVE_SA_FAMILY_T], [1], |
| 3491 | [define if you have sa_family_t data type]) |
| 3492 | fi |
| 3493 | |
| 3494 | AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [ |
| 3495 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], |
| 3496 | [[ pid_t foo; foo = 1235; ]])], |
| 3497 | [ ac_cv_have_pid_t="yes" ], [ ac_cv_have_pid_t="no" |
| 3498 | ]) |
| 3499 | ]) |
| 3500 | if test "x$ac_cv_have_pid_t" = "xyes" ; then |
| 3501 | AC_DEFINE([HAVE_PID_T], [1], [define if you have pid_t data type]) |
| 3502 | fi |
| 3503 | |
| 3504 | AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [ |
| 3505 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], |
| 3506 | [[ mode_t foo; foo = 1235; ]])], |
| 3507 | [ ac_cv_have_mode_t="yes" ], [ ac_cv_have_mode_t="no" |
| 3508 | ]) |
| 3509 | ]) |
| 3510 | if test "x$ac_cv_have_mode_t" = "xyes" ; then |
| 3511 | AC_DEFINE([HAVE_MODE_T], [1], [define if you have mode_t data type]) |
| 3512 | fi |
| 3513 | |
| 3514 | |
| 3515 | AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [ |
| 3516 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3517 | #include <sys/types.h> |
| 3518 | #include <sys/socket.h> |
| 3519 | ]], [[ struct sockaddr_storage s; ]])], |
| 3520 | [ ac_cv_have_struct_sockaddr_storage="yes" ], |
| 3521 | [ ac_cv_have_struct_sockaddr_storage="no" |
| 3522 | ]) |
| 3523 | ]) |
| 3524 | if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then |
| 3525 | AC_DEFINE([HAVE_STRUCT_SOCKADDR_STORAGE], [1], |
| 3526 | [define if you have struct sockaddr_storage data type]) |
| 3527 | fi |
| 3528 | |
| 3529 | AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [ |
| 3530 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3531 | #include <sys/types.h> |
| 3532 | #include <netinet/in.h> |
| 3533 | ]], [[ struct sockaddr_in6 s; s.sin6_family = 0; ]])], |
| 3534 | [ ac_cv_have_struct_sockaddr_in6="yes" ], |
| 3535 | [ ac_cv_have_struct_sockaddr_in6="no" |
| 3536 | ]) |
| 3537 | ]) |
| 3538 | if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then |
| 3539 | AC_DEFINE([HAVE_STRUCT_SOCKADDR_IN6], [1], |
| 3540 | [define if you have struct sockaddr_in6 data type]) |
| 3541 | fi |
| 3542 | |
| 3543 | AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [ |
| 3544 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3545 | #include <sys/types.h> |
| 3546 | #include <netinet/in.h> |
| 3547 | ]], [[ struct in6_addr s; s.s6_addr[0] = 0; ]])], |
| 3548 | [ ac_cv_have_struct_in6_addr="yes" ], |
| 3549 | [ ac_cv_have_struct_in6_addr="no" |
| 3550 | ]) |
| 3551 | ]) |
| 3552 | if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then |
| 3553 | AC_DEFINE([HAVE_STRUCT_IN6_ADDR], [1], |
| 3554 | [define if you have struct in6_addr data type]) |
| 3555 | |
| 3556 | dnl Now check for sin6_scope_id |
| 3557 | AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id], , , |
| 3558 | [ |
| 3559 | #ifdef HAVE_SYS_TYPES_H |
| 3560 | #include <sys/types.h> |
| 3561 | #endif |
| 3562 | #include <netinet/in.h> |
| 3563 | ]) |
| 3564 | fi |
| 3565 | |
| 3566 | AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [ |
| 3567 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3568 | #include <sys/types.h> |
| 3569 | #include <sys/socket.h> |
| 3570 | #include <netdb.h> |
| 3571 | ]], [[ struct addrinfo s; s.ai_flags = AI_PASSIVE; ]])], |
| 3572 | [ ac_cv_have_struct_addrinfo="yes" ], |
| 3573 | [ ac_cv_have_struct_addrinfo="no" |
| 3574 | ]) |
| 3575 | ]) |
| 3576 | if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then |
| 3577 | AC_DEFINE([HAVE_STRUCT_ADDRINFO], [1], |
| 3578 | [define if you have struct addrinfo data type]) |
| 3579 | fi |
| 3580 | |
| 3581 | AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [ |
| 3582 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/time.h> ]], |
| 3583 | [[ struct timeval tv; tv.tv_sec = 1;]])], |
| 3584 | [ ac_cv_have_struct_timeval="yes" ], |
| 3585 | [ ac_cv_have_struct_timeval="no" |
| 3586 | ]) |
| 3587 | ]) |
| 3588 | if test "x$ac_cv_have_struct_timeval" = "xyes" ; then |
| 3589 | AC_DEFINE([HAVE_STRUCT_TIMEVAL], [1], [define if you have struct timeval]) |
| 3590 | have_struct_timeval=1 |
| 3591 | fi |
| 3592 | |
| 3593 | AC_CHECK_TYPES([struct timespec]) |
| 3594 | |
| 3595 | # We need int64_t or else certian parts of the compile will fail. |
| 3596 | if test "x$ac_cv_have_int64_t" = "xno" && \ |
| 3597 | test "x$ac_cv_sizeof_long_int" != "x8" && \ |
| 3598 | test "x$ac_cv_sizeof_long_long_int" = "x0" ; then |
| 3599 | echo "OpenSSH requires int64_t support. Contact your vendor or install" |
| 3600 | echo "an alternative compiler (I.E., GCC) before continuing." |
| 3601 | echo "" |
| 3602 | exit 1; |
| 3603 | else |
| 3604 | dnl test snprintf (broken on SCO w/gcc) |
| 3605 | AC_RUN_IFELSE( |
| 3606 | [AC_LANG_SOURCE([[ |
| 3607 | #include <stdio.h> |
| 3608 | #include <string.h> |
| 3609 | #ifdef HAVE_SNPRINTF |
| 3610 | main() |
| 3611 | { |
| 3612 | char buf[50]; |
| 3613 | char expected_out[50]; |
| 3614 | int mazsize = 50 ; |
| 3615 | #if (SIZEOF_LONG_INT == 8) |
| 3616 | long int num = 0x7fffffffffffffff; |
| 3617 | #else |
| 3618 | long long num = 0x7fffffffffffffffll; |
| 3619 | #endif |
| 3620 | strcpy(expected_out, "9223372036854775807"); |
| 3621 | snprintf(buf, mazsize, "%lld", num); |
| 3622 | if(strcmp(buf, expected_out) != 0) |
| 3623 | exit(1); |
| 3624 | exit(0); |
| 3625 | } |
| 3626 | #else |
| 3627 | main() { exit(0); } |
| 3628 | #endif |
| 3629 | ]])], [ true ], [ AC_DEFINE([BROKEN_SNPRINTF]) ], |
| 3630 | AC_MSG_WARN([cross compiling: Assuming working snprintf()]) |
| 3631 | ) |
| 3632 | fi |
| 3633 | |
| 3634 | dnl Checks for structure members |
| 3635 | OSSH_CHECK_HEADER_FOR_FIELD([ut_host], [utmp.h], [HAVE_HOST_IN_UTMP]) |
| 3636 | OSSH_CHECK_HEADER_FOR_FIELD([ut_host], [utmpx.h], [HAVE_HOST_IN_UTMPX]) |
| 3637 | OSSH_CHECK_HEADER_FOR_FIELD([syslen], [utmpx.h], [HAVE_SYSLEN_IN_UTMPX]) |
| 3638 | OSSH_CHECK_HEADER_FOR_FIELD([ut_pid], [utmp.h], [HAVE_PID_IN_UTMP]) |
| 3639 | OSSH_CHECK_HEADER_FOR_FIELD([ut_type], [utmp.h], [HAVE_TYPE_IN_UTMP]) |
| 3640 | OSSH_CHECK_HEADER_FOR_FIELD([ut_type], [utmpx.h], [HAVE_TYPE_IN_UTMPX]) |
| 3641 | OSSH_CHECK_HEADER_FOR_FIELD([ut_tv], [utmp.h], [HAVE_TV_IN_UTMP]) |
| 3642 | OSSH_CHECK_HEADER_FOR_FIELD([ut_id], [utmp.h], [HAVE_ID_IN_UTMP]) |
| 3643 | OSSH_CHECK_HEADER_FOR_FIELD([ut_id], [utmpx.h], [HAVE_ID_IN_UTMPX]) |
| 3644 | OSSH_CHECK_HEADER_FOR_FIELD([ut_addr], [utmp.h], [HAVE_ADDR_IN_UTMP]) |
| 3645 | OSSH_CHECK_HEADER_FOR_FIELD([ut_addr], [utmpx.h], [HAVE_ADDR_IN_UTMPX]) |
| 3646 | OSSH_CHECK_HEADER_FOR_FIELD([ut_addr_v6], [utmp.h], [HAVE_ADDR_V6_IN_UTMP]) |
| 3647 | OSSH_CHECK_HEADER_FOR_FIELD([ut_addr_v6], [utmpx.h], [HAVE_ADDR_V6_IN_UTMPX]) |
| 3648 | OSSH_CHECK_HEADER_FOR_FIELD([ut_exit], [utmp.h], [HAVE_EXIT_IN_UTMP]) |
| 3649 | OSSH_CHECK_HEADER_FOR_FIELD([ut_time], [utmp.h], [HAVE_TIME_IN_UTMP]) |
| 3650 | OSSH_CHECK_HEADER_FOR_FIELD([ut_time], [utmpx.h], [HAVE_TIME_IN_UTMPX]) |
| 3651 | OSSH_CHECK_HEADER_FOR_FIELD([ut_tv], [utmpx.h], [HAVE_TV_IN_UTMPX]) |
| 3652 | |
| 3653 | AC_CHECK_MEMBERS([struct stat.st_blksize]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 3654 | AC_CHECK_MEMBERS([struct passwd.pw_gecos, struct passwd.pw_class, |
| 3655 | struct passwd.pw_change, struct passwd.pw_expire], |
| 3656 | [], [], [[ |
| 3657 | #include <sys/types.h> |
| 3658 | #include <pwd.h> |
| 3659 | ]]) |
| 3660 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3661 | AC_CHECK_MEMBER([struct __res_state.retrans], [], [AC_DEFINE([__res_state], [state], |
| 3662 | [Define if we don't have struct __res_state in resolv.h])], |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 3663 | [[ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3664 | #include <stdio.h> |
| 3665 | #if HAVE_SYS_TYPES_H |
| 3666 | # include <sys/types.h> |
| 3667 | #endif |
| 3668 | #include <netinet/in.h> |
| 3669 | #include <arpa/nameser.h> |
| 3670 | #include <resolv.h> |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 3671 | ]]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3672 | |
| 3673 | AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage], |
| 3674 | ac_cv_have_ss_family_in_struct_ss, [ |
| 3675 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3676 | #include <sys/types.h> |
| 3677 | #include <sys/socket.h> |
| 3678 | ]], [[ struct sockaddr_storage s; s.ss_family = 1; ]])], |
| 3679 | [ ac_cv_have_ss_family_in_struct_ss="yes" ], |
| 3680 | [ ac_cv_have_ss_family_in_struct_ss="no" ]) |
| 3681 | ]) |
| 3682 | if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then |
| 3683 | AC_DEFINE([HAVE_SS_FAMILY_IN_SS], [1], [Fields in struct sockaddr_storage]) |
| 3684 | fi |
| 3685 | |
| 3686 | AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage], |
| 3687 | ac_cv_have___ss_family_in_struct_ss, [ |
| 3688 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3689 | #include <sys/types.h> |
| 3690 | #include <sys/socket.h> |
| 3691 | ]], [[ struct sockaddr_storage s; s.__ss_family = 1; ]])], |
| 3692 | [ ac_cv_have___ss_family_in_struct_ss="yes" ], |
| 3693 | [ ac_cv_have___ss_family_in_struct_ss="no" |
| 3694 | ]) |
| 3695 | ]) |
| 3696 | if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then |
| 3697 | AC_DEFINE([HAVE___SS_FAMILY_IN_SS], [1], |
| 3698 | [Fields in struct sockaddr_storage]) |
| 3699 | fi |
| 3700 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3701 | dnl make sure we're using the real structure members and not defines |
| 3702 | AC_CACHE_CHECK([for msg_accrights field in struct msghdr], |
| 3703 | ac_cv_have_accrights_in_msghdr, [ |
| 3704 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3705 | #include <sys/types.h> |
| 3706 | #include <sys/socket.h> |
| 3707 | #include <sys/uio.h> |
| 3708 | ]], [[ |
| 3709 | #ifdef msg_accrights |
| 3710 | #error "msg_accrights is a macro" |
| 3711 | exit(1); |
| 3712 | #endif |
| 3713 | struct msghdr m; |
| 3714 | m.msg_accrights = 0; |
| 3715 | exit(0); |
| 3716 | ]])], |
| 3717 | [ ac_cv_have_accrights_in_msghdr="yes" ], |
| 3718 | [ ac_cv_have_accrights_in_msghdr="no" ] |
| 3719 | ) |
| 3720 | ]) |
| 3721 | if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then |
| 3722 | AC_DEFINE([HAVE_ACCRIGHTS_IN_MSGHDR], [1], |
| 3723 | [Define if your system uses access rights style |
| 3724 | file descriptor passing]) |
| 3725 | fi |
| 3726 | |
| 3727 | AC_MSG_CHECKING([if struct statvfs.f_fsid is integral type]) |
| 3728 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 3729 | #include <sys/param.h> |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3730 | #include <sys/stat.h> |
| 3731 | #ifdef HAVE_SYS_TIME_H |
| 3732 | # include <sys/time.h> |
| 3733 | #endif |
| 3734 | #ifdef HAVE_SYS_MOUNT_H |
| 3735 | #include <sys/mount.h> |
| 3736 | #endif |
| 3737 | #ifdef HAVE_SYS_STATVFS_H |
| 3738 | #include <sys/statvfs.h> |
| 3739 | #endif |
| 3740 | ]], [[ struct statvfs s; s.f_fsid = 0; ]])], |
| 3741 | [ AC_MSG_RESULT([yes]) ], |
| 3742 | [ AC_MSG_RESULT([no]) |
| 3743 | |
| 3744 | AC_MSG_CHECKING([if fsid_t has member val]) |
| 3745 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3746 | #include <sys/types.h> |
| 3747 | #include <sys/statvfs.h> |
| 3748 | ]], [[ fsid_t t; t.val[0] = 0; ]])], |
| 3749 | [ AC_MSG_RESULT([yes]) |
| 3750 | AC_DEFINE([FSID_HAS_VAL], [1], [fsid_t has member val]) ], |
| 3751 | [ AC_MSG_RESULT([no]) ]) |
| 3752 | |
| 3753 | AC_MSG_CHECKING([if f_fsid has member __val]) |
| 3754 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3755 | #include <sys/types.h> |
| 3756 | #include <sys/statvfs.h> |
| 3757 | ]], [[ fsid_t t; t.__val[0] = 0; ]])], |
| 3758 | [ AC_MSG_RESULT([yes]) |
| 3759 | AC_DEFINE([FSID_HAS___VAL], [1], [fsid_t has member __val]) ], |
| 3760 | [ AC_MSG_RESULT([no]) ]) |
| 3761 | ]) |
| 3762 | |
| 3763 | AC_CACHE_CHECK([for msg_control field in struct msghdr], |
| 3764 | ac_cv_have_control_in_msghdr, [ |
| 3765 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 3766 | #include <sys/types.h> |
| 3767 | #include <sys/socket.h> |
| 3768 | #include <sys/uio.h> |
| 3769 | ]], [[ |
| 3770 | #ifdef msg_control |
| 3771 | #error "msg_control is a macro" |
| 3772 | exit(1); |
| 3773 | #endif |
| 3774 | struct msghdr m; |
| 3775 | m.msg_control = 0; |
| 3776 | exit(0); |
| 3777 | ]])], |
| 3778 | [ ac_cv_have_control_in_msghdr="yes" ], |
| 3779 | [ ac_cv_have_control_in_msghdr="no" ] |
| 3780 | ) |
| 3781 | ]) |
| 3782 | if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then |
| 3783 | AC_DEFINE([HAVE_CONTROL_IN_MSGHDR], [1], |
| 3784 | [Define if your system uses ancillary data style |
| 3785 | file descriptor passing]) |
| 3786 | fi |
| 3787 | |
| 3788 | AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [ |
| 3789 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], |
| 3790 | [[ extern char *__progname; printf("%s", __progname); ]])], |
| 3791 | [ ac_cv_libc_defines___progname="yes" ], |
| 3792 | [ ac_cv_libc_defines___progname="no" |
| 3793 | ]) |
| 3794 | ]) |
| 3795 | if test "x$ac_cv_libc_defines___progname" = "xyes" ; then |
| 3796 | AC_DEFINE([HAVE___PROGNAME], [1], [Define if libc defines __progname]) |
| 3797 | fi |
| 3798 | |
| 3799 | AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [ |
| 3800 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> ]], |
| 3801 | [[ printf("%s", __FUNCTION__); ]])], |
| 3802 | [ ac_cv_cc_implements___FUNCTION__="yes" ], |
| 3803 | [ ac_cv_cc_implements___FUNCTION__="no" |
| 3804 | ]) |
| 3805 | ]) |
| 3806 | if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then |
| 3807 | AC_DEFINE([HAVE___FUNCTION__], [1], |
| 3808 | [Define if compiler implements __FUNCTION__]) |
| 3809 | fi |
| 3810 | |
| 3811 | AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [ |
| 3812 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> ]], |
| 3813 | [[ printf("%s", __func__); ]])], |
| 3814 | [ ac_cv_cc_implements___func__="yes" ], |
| 3815 | [ ac_cv_cc_implements___func__="no" |
| 3816 | ]) |
| 3817 | ]) |
| 3818 | if test "x$ac_cv_cc_implements___func__" = "xyes" ; then |
| 3819 | AC_DEFINE([HAVE___func__], [1], [Define if compiler implements __func__]) |
| 3820 | fi |
| 3821 | |
| 3822 | AC_CACHE_CHECK([whether va_copy exists], ac_cv_have_va_copy, [ |
| 3823 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
| 3824 | #include <stdarg.h> |
| 3825 | va_list x,y; |
| 3826 | ]], [[ va_copy(x,y); ]])], |
| 3827 | [ ac_cv_have_va_copy="yes" ], |
| 3828 | [ ac_cv_have_va_copy="no" |
| 3829 | ]) |
| 3830 | ]) |
| 3831 | if test "x$ac_cv_have_va_copy" = "xyes" ; then |
| 3832 | AC_DEFINE([HAVE_VA_COPY], [1], [Define if va_copy exists]) |
| 3833 | fi |
| 3834 | |
| 3835 | AC_CACHE_CHECK([whether __va_copy exists], ac_cv_have___va_copy, [ |
| 3836 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
| 3837 | #include <stdarg.h> |
| 3838 | va_list x,y; |
| 3839 | ]], [[ __va_copy(x,y); ]])], |
| 3840 | [ ac_cv_have___va_copy="yes" ], [ ac_cv_have___va_copy="no" |
| 3841 | ]) |
| 3842 | ]) |
| 3843 | if test "x$ac_cv_have___va_copy" = "xyes" ; then |
| 3844 | AC_DEFINE([HAVE___VA_COPY], [1], [Define if __va_copy exists]) |
| 3845 | fi |
| 3846 | |
| 3847 | AC_CACHE_CHECK([whether getopt has optreset support], |
| 3848 | ac_cv_have_getopt_optreset, [ |
| 3849 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <getopt.h> ]], |
| 3850 | [[ extern int optreset; optreset = 0; ]])], |
| 3851 | [ ac_cv_have_getopt_optreset="yes" ], |
| 3852 | [ ac_cv_have_getopt_optreset="no" |
| 3853 | ]) |
| 3854 | ]) |
| 3855 | if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then |
| 3856 | AC_DEFINE([HAVE_GETOPT_OPTRESET], [1], |
| 3857 | [Define if your getopt(3) defines and uses optreset]) |
| 3858 | fi |
| 3859 | |
| 3860 | AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [ |
| 3861 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], |
| 3862 | [[ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);]])], |
| 3863 | [ ac_cv_libc_defines_sys_errlist="yes" ], |
| 3864 | [ ac_cv_libc_defines_sys_errlist="no" |
| 3865 | ]) |
| 3866 | ]) |
| 3867 | if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then |
| 3868 | AC_DEFINE([HAVE_SYS_ERRLIST], [1], |
| 3869 | [Define if your system defines sys_errlist[]]) |
| 3870 | fi |
| 3871 | |
| 3872 | |
| 3873 | AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [ |
| 3874 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], |
| 3875 | [[ extern int sys_nerr; printf("%i", sys_nerr);]])], |
| 3876 | [ ac_cv_libc_defines_sys_nerr="yes" ], |
| 3877 | [ ac_cv_libc_defines_sys_nerr="no" |
| 3878 | ]) |
| 3879 | ]) |
| 3880 | if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then |
| 3881 | AC_DEFINE([HAVE_SYS_NERR], [1], [Define if your system defines sys_nerr]) |
| 3882 | fi |
| 3883 | |
| 3884 | # Check libraries needed by DNS fingerprint support |
| 3885 | AC_SEARCH_LIBS([getrrsetbyname], [resolv], |
| 3886 | [AC_DEFINE([HAVE_GETRRSETBYNAME], [1], |
| 3887 | [Define if getrrsetbyname() exists])], |
| 3888 | [ |
| 3889 | # Needed by our getrrsetbyname() |
| 3890 | AC_SEARCH_LIBS([res_query], [resolv]) |
| 3891 | AC_SEARCH_LIBS([dn_expand], [resolv]) |
| 3892 | AC_MSG_CHECKING([if res_query will link]) |
| 3893 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
| 3894 | #include <sys/types.h> |
| 3895 | #include <netinet/in.h> |
| 3896 | #include <arpa/nameser.h> |
| 3897 | #include <netdb.h> |
| 3898 | #include <resolv.h> |
| 3899 | ]], [[ |
| 3900 | res_query (0, 0, 0, 0, 0); |
| 3901 | ]])], |
| 3902 | AC_MSG_RESULT([yes]), |
| 3903 | [AC_MSG_RESULT([no]) |
| 3904 | saved_LIBS="$LIBS" |
| 3905 | LIBS="$LIBS -lresolv" |
| 3906 | AC_MSG_CHECKING([for res_query in -lresolv]) |
| 3907 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
| 3908 | #include <sys/types.h> |
| 3909 | #include <netinet/in.h> |
| 3910 | #include <arpa/nameser.h> |
| 3911 | #include <netdb.h> |
| 3912 | #include <resolv.h> |
| 3913 | ]], [[ |
| 3914 | res_query (0, 0, 0, 0, 0); |
| 3915 | ]])], |
| 3916 | [AC_MSG_RESULT([yes])], |
| 3917 | [LIBS="$saved_LIBS" |
| 3918 | AC_MSG_RESULT([no])]) |
| 3919 | ]) |
| 3920 | AC_CHECK_FUNCS([_getshort _getlong]) |
| 3921 | AC_CHECK_DECLS([_getshort, _getlong], , , |
| 3922 | [#include <sys/types.h> |
| 3923 | #include <arpa/nameser.h>]) |
| 3924 | AC_CHECK_MEMBER([HEADER.ad], |
| 3925 | [AC_DEFINE([HAVE_HEADER_AD], [1], |
| 3926 | [Define if HEADER.ad exists in arpa/nameser.h])], , |
| 3927 | [#include <arpa/nameser.h>]) |
| 3928 | ]) |
| 3929 | |
| 3930 | AC_MSG_CHECKING([if struct __res_state _res is an extern]) |
| 3931 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
| 3932 | #include <stdio.h> |
| 3933 | #if HAVE_SYS_TYPES_H |
| 3934 | # include <sys/types.h> |
| 3935 | #endif |
| 3936 | #include <netinet/in.h> |
| 3937 | #include <arpa/nameser.h> |
| 3938 | #include <resolv.h> |
| 3939 | extern struct __res_state _res; |
| 3940 | ]], [[ ]])], |
| 3941 | [AC_MSG_RESULT([yes]) |
| 3942 | AC_DEFINE([HAVE__RES_EXTERN], [1], |
| 3943 | [Define if you have struct __res_state _res as an extern]) |
| 3944 | ], |
| 3945 | [ AC_MSG_RESULT([no]) ] |
| 3946 | ) |
| 3947 | |
| 3948 | # Check whether user wants SELinux support |
| 3949 | SELINUX_MSG="no" |
| 3950 | LIBSELINUX="" |
| 3951 | AC_ARG_WITH([selinux], |
| 3952 | [ --with-selinux Enable SELinux support], |
| 3953 | [ if test "x$withval" != "xno" ; then |
| 3954 | save_LIBS="$LIBS" |
| 3955 | AC_DEFINE([WITH_SELINUX], [1], |
| 3956 | [Define if you want SELinux support.]) |
| 3957 | SELINUX_MSG="yes" |
| 3958 | AC_CHECK_HEADER([selinux/selinux.h], , |
| 3959 | AC_MSG_ERROR([SELinux support requires selinux.h header])) |
| 3960 | AC_CHECK_LIB([selinux], [setexeccon], |
| 3961 | [ LIBSELINUX="-lselinux" |
| 3962 | LIBS="$LIBS -lselinux" |
| 3963 | ], |
| 3964 | AC_MSG_ERROR([SELinux support requires libselinux library])) |
| 3965 | SSHLIBS="$SSHLIBS $LIBSELINUX" |
| 3966 | SSHDLIBS="$SSHDLIBS $LIBSELINUX" |
| 3967 | AC_CHECK_FUNCS([getseuserbyname get_default_context_with_level]) |
| 3968 | LIBS="$save_LIBS" |
| 3969 | fi ] |
| 3970 | ) |
| 3971 | AC_SUBST([SSHLIBS]) |
| 3972 | AC_SUBST([SSHDLIBS]) |
| 3973 | |
| 3974 | # Check whether user wants Kerberos 5 support |
| 3975 | KRB5_MSG="no" |
| 3976 | AC_ARG_WITH([kerberos5], |
| 3977 | [ --with-kerberos5=PATH Enable Kerberos 5 support], |
| 3978 | [ if test "x$withval" != "xno" ; then |
| 3979 | if test "x$withval" = "xyes" ; then |
| 3980 | KRB5ROOT="/usr/local" |
| 3981 | else |
| 3982 | KRB5ROOT=${withval} |
| 3983 | fi |
| 3984 | |
| 3985 | AC_DEFINE([KRB5], [1], [Define if you want Kerberos 5 support]) |
| 3986 | KRB5_MSG="yes" |
| 3987 | |
| 3988 | AC_PATH_PROG([KRB5CONF], [krb5-config], |
| 3989 | [$KRB5ROOT/bin/krb5-config], |
| 3990 | [$KRB5ROOT/bin:$PATH]) |
| 3991 | if test -x $KRB5CONF ; then |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 3992 | K5CFLAGS="`$KRB5CONF --cflags`" |
| 3993 | K5LIBS="`$KRB5CONF --libs`" |
| 3994 | CPPFLAGS="$CPPFLAGS $K5CFLAGS" |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 3995 | |
| 3996 | AC_MSG_CHECKING([for gssapi support]) |
| 3997 | if $KRB5CONF | grep gssapi >/dev/null ; then |
| 3998 | AC_MSG_RESULT([yes]) |
| 3999 | AC_DEFINE([GSSAPI], [1], |
| 4000 | [Define this if you want GSSAPI |
| 4001 | support in the version 2 protocol]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 4002 | GSSCFLAGS="`$KRB5CONF --cflags gssapi`" |
| 4003 | GSSLIBS="`$KRB5CONF --libs gssapi`" |
| 4004 | CPPFLAGS="$CPPFLAGS $GSSCFLAGS" |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 4005 | else |
| 4006 | AC_MSG_RESULT([no]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 4007 | fi |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 4008 | AC_MSG_CHECKING([whether we are using Heimdal]) |
| 4009 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <krb5.h> |
| 4010 | ]], [[ char *tmp = heimdal_version; ]])], |
| 4011 | [ AC_MSG_RESULT([yes]) |
| 4012 | AC_DEFINE([HEIMDAL], [1], |
| 4013 | [Define this if you are using the Heimdal |
| 4014 | version of Kerberos V5]) ], |
| 4015 | [AC_MSG_RESULT([no]) |
| 4016 | ]) |
| 4017 | else |
| 4018 | CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include" |
| 4019 | LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib" |
| 4020 | AC_MSG_CHECKING([whether we are using Heimdal]) |
| 4021 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <krb5.h> |
| 4022 | ]], [[ char *tmp = heimdal_version; ]])], |
| 4023 | [ AC_MSG_RESULT([yes]) |
| 4024 | AC_DEFINE([HEIMDAL]) |
| 4025 | K5LIBS="-lkrb5" |
| 4026 | K5LIBS="$K5LIBS -lcom_err -lasn1" |
| 4027 | AC_CHECK_LIB([roken], [net_write], |
| 4028 | [K5LIBS="$K5LIBS -lroken"]) |
| 4029 | AC_CHECK_LIB([des], [des_cbc_encrypt], |
| 4030 | [K5LIBS="$K5LIBS -ldes"]) |
| 4031 | ], [ AC_MSG_RESULT([no]) |
| 4032 | K5LIBS="-lkrb5 -lk5crypto -lcom_err" |
| 4033 | |
| 4034 | ]) |
| 4035 | AC_SEARCH_LIBS([dn_expand], [resolv]) |
| 4036 | |
| 4037 | AC_CHECK_LIB([gssapi_krb5], [gss_init_sec_context], |
| 4038 | [ AC_DEFINE([GSSAPI]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 4039 | GSSLIBS="-lgssapi_krb5" ], |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 4040 | [ AC_CHECK_LIB([gssapi], [gss_init_sec_context], |
| 4041 | [ AC_DEFINE([GSSAPI]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 4042 | GSSLIBS="-lgssapi" ], |
| 4043 | [ AC_CHECK_LIB([gss], [gss_init_sec_context], |
| 4044 | [ AC_DEFINE([GSSAPI]) |
| 4045 | GSSLIBS="-lgss" ], |
| 4046 | AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail])) |
| 4047 | ]) |
| 4048 | ]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 4049 | |
| 4050 | AC_CHECK_HEADER([gssapi.h], , |
| 4051 | [ unset ac_cv_header_gssapi_h |
| 4052 | CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi" |
| 4053 | AC_CHECK_HEADERS([gssapi.h], , |
| 4054 | AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail]) |
| 4055 | ) |
| 4056 | ] |
| 4057 | ) |
| 4058 | |
| 4059 | oldCPP="$CPPFLAGS" |
| 4060 | CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi" |
| 4061 | AC_CHECK_HEADER([gssapi_krb5.h], , |
| 4062 | [ CPPFLAGS="$oldCPP" ]) |
| 4063 | |
| 4064 | fi |
| 4065 | if test ! -z "$need_dash_r" ; then |
| 4066 | LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib" |
| 4067 | fi |
| 4068 | if test ! -z "$blibpath" ; then |
| 4069 | blibpath="$blibpath:${KRB5ROOT}/lib" |
| 4070 | fi |
| 4071 | |
| 4072 | AC_CHECK_HEADERS([gssapi.h gssapi/gssapi.h]) |
| 4073 | AC_CHECK_HEADERS([gssapi_krb5.h gssapi/gssapi_krb5.h]) |
| 4074 | AC_CHECK_HEADERS([gssapi_generic.h gssapi/gssapi_generic.h]) |
| 4075 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 4076 | AC_SEARCH_LIBS([k_hasafs], [kafs], [AC_DEFINE([USE_AFS], [1], |
| 4077 | [Define this if you want to use libkafs' AFS support])]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 4078 | |
| 4079 | AC_CHECK_DECLS([GSS_C_NT_HOSTBASED_SERVICE], [], [], [[ |
| 4080 | #ifdef HAVE_GSSAPI_H |
| 4081 | # include <gssapi.h> |
| 4082 | #elif defined(HAVE_GSSAPI_GSSAPI_H) |
| 4083 | # include <gssapi/gssapi.h> |
| 4084 | #endif |
| 4085 | |
| 4086 | #ifdef HAVE_GSSAPI_GENERIC_H |
| 4087 | # include <gssapi_generic.h> |
| 4088 | #elif defined(HAVE_GSSAPI_GSSAPI_GENERIC_H) |
| 4089 | # include <gssapi/gssapi_generic.h> |
| 4090 | #endif |
| 4091 | ]]) |
| 4092 | saved_LIBS="$LIBS" |
| 4093 | LIBS="$LIBS $K5LIBS" |
| 4094 | AC_CHECK_FUNCS([krb5_cc_new_unique krb5_get_error_message krb5_free_error_message]) |
| 4095 | LIBS="$saved_LIBS" |
| 4096 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 4097 | fi |
| 4098 | ] |
| 4099 | ) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 4100 | AC_SUBST([GSSLIBS]) |
| 4101 | AC_SUBST([K5LIBS]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 4102 | |
| 4103 | # Looking for programs, paths and files |
| 4104 | |
| 4105 | PRIVSEP_PATH=/var/empty |
| 4106 | AC_ARG_WITH([privsep-path], |
| 4107 | [ --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)], |
| 4108 | [ |
| 4109 | if test -n "$withval" && test "x$withval" != "xno" && \ |
| 4110 | test "x${withval}" != "xyes"; then |
| 4111 | PRIVSEP_PATH=$withval |
| 4112 | fi |
| 4113 | ] |
| 4114 | ) |
| 4115 | AC_SUBST([PRIVSEP_PATH]) |
| 4116 | |
| 4117 | AC_ARG_WITH([xauth], |
| 4118 | [ --with-xauth=PATH Specify path to xauth program ], |
| 4119 | [ |
| 4120 | if test -n "$withval" && test "x$withval" != "xno" && \ |
| 4121 | test "x${withval}" != "xyes"; then |
| 4122 | xauth_path=$withval |
| 4123 | fi |
| 4124 | ], |
| 4125 | [ |
| 4126 | TestPath="$PATH" |
| 4127 | TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin" |
| 4128 | TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11" |
| 4129 | TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin" |
| 4130 | TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin" |
| 4131 | AC_PATH_PROG([xauth_path], [xauth], , [$TestPath]) |
| 4132 | if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then |
| 4133 | xauth_path="/usr/openwin/bin/xauth" |
| 4134 | fi |
| 4135 | ] |
| 4136 | ) |
| 4137 | |
| 4138 | STRIP_OPT=-s |
| 4139 | AC_ARG_ENABLE([strip], |
| 4140 | [ --disable-strip Disable calling strip(1) on install], |
| 4141 | [ |
| 4142 | if test "x$enableval" = "xno" ; then |
| 4143 | STRIP_OPT= |
| 4144 | fi |
| 4145 | ] |
| 4146 | ) |
| 4147 | AC_SUBST([STRIP_OPT]) |
| 4148 | |
| 4149 | if test -z "$xauth_path" ; then |
| 4150 | XAUTH_PATH="undefined" |
| 4151 | AC_SUBST([XAUTH_PATH]) |
| 4152 | else |
| 4153 | AC_DEFINE_UNQUOTED([XAUTH_PATH], ["$xauth_path"], |
| 4154 | [Define if xauth is found in your path]) |
| 4155 | XAUTH_PATH=$xauth_path |
| 4156 | AC_SUBST([XAUTH_PATH]) |
| 4157 | fi |
| 4158 | |
| 4159 | dnl # --with-maildir=/path/to/mail gets top priority. |
| 4160 | dnl # if maildir is set in the platform case statement above we use that. |
| 4161 | dnl # Otherwise we run a program to get the dir from system headers. |
| 4162 | dnl # We first look for _PATH_MAILDIR then MAILDIR then _PATH_MAIL |
| 4163 | dnl # If we find _PATH_MAILDIR we do nothing because that is what |
| 4164 | dnl # session.c expects anyway. Otherwise we set to the value found |
| 4165 | dnl # stripping any trailing slash. If for some strage reason our program |
| 4166 | dnl # does not find what it needs, we default to /var/spool/mail. |
| 4167 | # Check for mail directory |
| 4168 | AC_ARG_WITH([maildir], |
| 4169 | [ --with-maildir=/path/to/mail Specify your system mail directory], |
| 4170 | [ |
| 4171 | if test "X$withval" != X && test "x$withval" != xno && \ |
| 4172 | test "x${withval}" != xyes; then |
| 4173 | AC_DEFINE_UNQUOTED([MAIL_DIRECTORY], ["$withval"], |
| 4174 | [Set this to your mail directory if you do not have _PATH_MAILDIR]) |
| 4175 | fi |
| 4176 | ],[ |
| 4177 | if test "X$maildir" != "X"; then |
| 4178 | AC_DEFINE_UNQUOTED([MAIL_DIRECTORY], ["$maildir"]) |
| 4179 | else |
| 4180 | AC_MSG_CHECKING([Discovering system mail directory]) |
| 4181 | AC_RUN_IFELSE( |
| 4182 | [AC_LANG_PROGRAM([[ |
| 4183 | #include <stdio.h> |
| 4184 | #include <string.h> |
| 4185 | #ifdef HAVE_PATHS_H |
| 4186 | #include <paths.h> |
| 4187 | #endif |
| 4188 | #ifdef HAVE_MAILLOCK_H |
| 4189 | #include <maillock.h> |
| 4190 | #endif |
| 4191 | #define DATA "conftest.maildir" |
| 4192 | ]], [[ |
| 4193 | FILE *fd; |
| 4194 | int rc; |
| 4195 | |
| 4196 | fd = fopen(DATA,"w"); |
| 4197 | if(fd == NULL) |
| 4198 | exit(1); |
| 4199 | |
| 4200 | #if defined (_PATH_MAILDIR) |
| 4201 | if ((rc = fprintf(fd ,"_PATH_MAILDIR:%s\n", _PATH_MAILDIR)) <0) |
| 4202 | exit(1); |
| 4203 | #elif defined (MAILDIR) |
| 4204 | if ((rc = fprintf(fd ,"MAILDIR:%s\n", MAILDIR)) <0) |
| 4205 | exit(1); |
| 4206 | #elif defined (_PATH_MAIL) |
| 4207 | if ((rc = fprintf(fd ,"_PATH_MAIL:%s\n", _PATH_MAIL)) <0) |
| 4208 | exit(1); |
| 4209 | #else |
| 4210 | exit (2); |
| 4211 | #endif |
| 4212 | |
| 4213 | exit(0); |
| 4214 | ]])], |
| 4215 | [ |
| 4216 | maildir_what=`awk -F: '{print $1}' conftest.maildir` |
| 4217 | maildir=`awk -F: '{print $2}' conftest.maildir \ |
| 4218 | | sed 's|/$||'` |
| 4219 | AC_MSG_RESULT([Using: $maildir from $maildir_what]) |
| 4220 | if test "x$maildir_what" != "x_PATH_MAILDIR"; then |
| 4221 | AC_DEFINE_UNQUOTED([MAIL_DIRECTORY], ["$maildir"]) |
| 4222 | fi |
| 4223 | ], |
| 4224 | [ |
| 4225 | if test "X$ac_status" = "X2";then |
| 4226 | # our test program didn't find it. Default to /var/spool/mail |
| 4227 | AC_MSG_RESULT([Using: default value of /var/spool/mail]) |
| 4228 | AC_DEFINE_UNQUOTED([MAIL_DIRECTORY], ["/var/spool/mail"]) |
| 4229 | else |
| 4230 | AC_MSG_RESULT([*** not found ***]) |
| 4231 | fi |
| 4232 | ], |
| 4233 | [ |
| 4234 | AC_MSG_WARN([cross compiling: use --with-maildir=/path/to/mail]) |
| 4235 | ] |
| 4236 | ) |
| 4237 | fi |
| 4238 | ] |
| 4239 | ) # maildir |
| 4240 | |
| 4241 | if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes"; then |
| 4242 | AC_MSG_WARN([cross compiling: Disabling /dev/ptmx test]) |
| 4243 | disable_ptmx_check=yes |
| 4244 | fi |
| 4245 | if test -z "$no_dev_ptmx" ; then |
| 4246 | if test "x$disable_ptmx_check" != "xyes" ; then |
| 4247 | AC_CHECK_FILE(["/dev/ptmx"], |
| 4248 | [ |
| 4249 | AC_DEFINE_UNQUOTED([HAVE_DEV_PTMX], [1], |
| 4250 | [Define if you have /dev/ptmx]) |
| 4251 | have_dev_ptmx=1 |
| 4252 | ] |
| 4253 | ) |
| 4254 | fi |
| 4255 | fi |
| 4256 | |
| 4257 | if test ! -z "$cross_compiling" && test "x$cross_compiling" != "xyes"; then |
| 4258 | AC_CHECK_FILE(["/dev/ptc"], |
| 4259 | [ |
| 4260 | AC_DEFINE_UNQUOTED([HAVE_DEV_PTS_AND_PTC], [1], |
| 4261 | [Define if you have /dev/ptc]) |
| 4262 | have_dev_ptc=1 |
| 4263 | ] |
| 4264 | ) |
| 4265 | else |
| 4266 | AC_MSG_WARN([cross compiling: Disabling /dev/ptc test]) |
| 4267 | fi |
| 4268 | |
| 4269 | # Options from here on. Some of these are preset by platform above |
| 4270 | AC_ARG_WITH([mantype], |
| 4271 | [ --with-mantype=man|cat|doc Set man page type], |
| 4272 | [ |
| 4273 | case "$withval" in |
| 4274 | man|cat|doc) |
| 4275 | MANTYPE=$withval |
| 4276 | ;; |
| 4277 | *) |
| 4278 | AC_MSG_ERROR([invalid man type: $withval]) |
| 4279 | ;; |
| 4280 | esac |
| 4281 | ] |
| 4282 | ) |
| 4283 | if test -z "$MANTYPE"; then |
| 4284 | TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb" |
| 4285 | AC_PATH_PROGS([NROFF], [nroff awf], [/bin/false], [$TestPath]) |
| 4286 | if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then |
| 4287 | MANTYPE=doc |
| 4288 | elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then |
| 4289 | MANTYPE=man |
| 4290 | else |
| 4291 | MANTYPE=cat |
| 4292 | fi |
| 4293 | fi |
| 4294 | AC_SUBST([MANTYPE]) |
| 4295 | if test "$MANTYPE" = "doc"; then |
| 4296 | mansubdir=man; |
| 4297 | else |
| 4298 | mansubdir=$MANTYPE; |
| 4299 | fi |
| 4300 | AC_SUBST([mansubdir]) |
| 4301 | |
| 4302 | # Check whether to enable MD5 passwords |
| 4303 | MD5_MSG="no" |
| 4304 | AC_ARG_WITH([md5-passwords], |
| 4305 | [ --with-md5-passwords Enable use of MD5 passwords], |
| 4306 | [ |
| 4307 | if test "x$withval" != "xno" ; then |
| 4308 | AC_DEFINE([HAVE_MD5_PASSWORDS], [1], |
| 4309 | [Define if you want to allow MD5 passwords]) |
| 4310 | MD5_MSG="yes" |
| 4311 | fi |
| 4312 | ] |
| 4313 | ) |
| 4314 | |
| 4315 | # Whether to disable shadow password support |
| 4316 | AC_ARG_WITH([shadow], |
| 4317 | [ --without-shadow Disable shadow password support], |
| 4318 | [ |
| 4319 | if test "x$withval" = "xno" ; then |
| 4320 | AC_DEFINE([DISABLE_SHADOW]) |
| 4321 | disable_shadow=yes |
| 4322 | fi |
| 4323 | ] |
| 4324 | ) |
| 4325 | |
| 4326 | if test -z "$disable_shadow" ; then |
| 4327 | AC_MSG_CHECKING([if the systems has expire shadow information]) |
| 4328 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 4329 | #include <sys/types.h> |
| 4330 | #include <shadow.h> |
| 4331 | struct spwd sp; |
| 4332 | ]], [[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ]])], |
| 4333 | [ sp_expire_available=yes ], [ |
| 4334 | ]) |
| 4335 | |
| 4336 | if test "x$sp_expire_available" = "xyes" ; then |
| 4337 | AC_MSG_RESULT([yes]) |
| 4338 | AC_DEFINE([HAS_SHADOW_EXPIRE], [1], |
| 4339 | [Define if you want to use shadow password expire field]) |
| 4340 | else |
| 4341 | AC_MSG_RESULT([no]) |
| 4342 | fi |
| 4343 | fi |
| 4344 | |
| 4345 | # Use ip address instead of hostname in $DISPLAY |
| 4346 | if test ! -z "$IPADDR_IN_DISPLAY" ; then |
| 4347 | DISPLAY_HACK_MSG="yes" |
| 4348 | AC_DEFINE([IPADDR_IN_DISPLAY], [1], |
| 4349 | [Define if you need to use IP address |
| 4350 | instead of hostname in $DISPLAY]) |
| 4351 | else |
| 4352 | DISPLAY_HACK_MSG="no" |
| 4353 | AC_ARG_WITH([ipaddr-display], |
| 4354 | [ --with-ipaddr-display Use ip address instead of hostname in \$DISPLAY], |
| 4355 | [ |
| 4356 | if test "x$withval" != "xno" ; then |
| 4357 | AC_DEFINE([IPADDR_IN_DISPLAY]) |
| 4358 | DISPLAY_HACK_MSG="yes" |
| 4359 | fi |
| 4360 | ] |
| 4361 | ) |
| 4362 | fi |
| 4363 | |
| 4364 | # check for /etc/default/login and use it if present. |
| 4365 | AC_ARG_ENABLE([etc-default-login], |
| 4366 | [ --disable-etc-default-login Disable using PATH from /etc/default/login [no]], |
| 4367 | [ if test "x$enableval" = "xno"; then |
| 4368 | AC_MSG_NOTICE([/etc/default/login handling disabled]) |
| 4369 | etc_default_login=no |
| 4370 | else |
| 4371 | etc_default_login=yes |
| 4372 | fi ], |
| 4373 | [ if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes"; |
| 4374 | then |
| 4375 | AC_MSG_WARN([cross compiling: not checking /etc/default/login]) |
| 4376 | etc_default_login=no |
| 4377 | else |
| 4378 | etc_default_login=yes |
| 4379 | fi ] |
| 4380 | ) |
| 4381 | |
| 4382 | if test "x$etc_default_login" != "xno"; then |
| 4383 | AC_CHECK_FILE(["/etc/default/login"], |
| 4384 | [ external_path_file=/etc/default/login ]) |
| 4385 | if test "x$external_path_file" = "x/etc/default/login"; then |
| 4386 | AC_DEFINE([HAVE_ETC_DEFAULT_LOGIN], [1], |
| 4387 | [Define if your system has /etc/default/login]) |
| 4388 | fi |
| 4389 | fi |
| 4390 | |
| 4391 | dnl BSD systems use /etc/login.conf so --with-default-path= has no effect |
| 4392 | if test $ac_cv_func_login_getcapbool = "yes" && \ |
| 4393 | test $ac_cv_header_login_cap_h = "yes" ; then |
| 4394 | external_path_file=/etc/login.conf |
| 4395 | fi |
| 4396 | |
| 4397 | # Whether to mess with the default path |
| 4398 | SERVER_PATH_MSG="(default)" |
| 4399 | AC_ARG_WITH([default-path], |
| 4400 | [ --with-default-path= Specify default \$PATH environment for server], |
| 4401 | [ |
| 4402 | if test "x$external_path_file" = "x/etc/login.conf" ; then |
| 4403 | AC_MSG_WARN([ |
| 4404 | --with-default-path=PATH has no effect on this system. |
| 4405 | Edit /etc/login.conf instead.]) |
| 4406 | elif test "x$withval" != "xno" ; then |
| 4407 | if test ! -z "$external_path_file" ; then |
| 4408 | AC_MSG_WARN([ |
| 4409 | --with-default-path=PATH will only be used if PATH is not defined in |
| 4410 | $external_path_file .]) |
| 4411 | fi |
| 4412 | user_path="$withval" |
| 4413 | SERVER_PATH_MSG="$withval" |
| 4414 | fi |
| 4415 | ], |
| 4416 | [ if test "x$external_path_file" = "x/etc/login.conf" ; then |
| 4417 | AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf]) |
| 4418 | else |
| 4419 | if test ! -z "$external_path_file" ; then |
| 4420 | AC_MSG_WARN([ |
| 4421 | If PATH is defined in $external_path_file, ensure the path to scp is included, |
| 4422 | otherwise scp will not work.]) |
| 4423 | fi |
| 4424 | AC_RUN_IFELSE( |
| 4425 | [AC_LANG_PROGRAM([[ |
| 4426 | /* find out what STDPATH is */ |
| 4427 | #include <stdio.h> |
| 4428 | #ifdef HAVE_PATHS_H |
| 4429 | # include <paths.h> |
| 4430 | #endif |
| 4431 | #ifndef _PATH_STDPATH |
| 4432 | # ifdef _PATH_USERPATH /* Irix */ |
| 4433 | # define _PATH_STDPATH _PATH_USERPATH |
| 4434 | # else |
| 4435 | # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin" |
| 4436 | # endif |
| 4437 | #endif |
| 4438 | #include <sys/types.h> |
| 4439 | #include <sys/stat.h> |
| 4440 | #include <fcntl.h> |
| 4441 | #define DATA "conftest.stdpath" |
| 4442 | ]], [[ |
| 4443 | FILE *fd; |
| 4444 | int rc; |
| 4445 | |
| 4446 | fd = fopen(DATA,"w"); |
| 4447 | if(fd == NULL) |
| 4448 | exit(1); |
| 4449 | |
| 4450 | if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0) |
| 4451 | exit(1); |
| 4452 | |
| 4453 | exit(0); |
| 4454 | ]])], |
| 4455 | [ user_path=`cat conftest.stdpath` ], |
| 4456 | [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ], |
| 4457 | [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ] |
| 4458 | ) |
| 4459 | # make sure $bindir is in USER_PATH so scp will work |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 4460 | t_bindir="${bindir}" |
| 4461 | while echo "${t_bindir}" | egrep '\$\{|NONE/' >/dev/null 2>&1; do |
| 4462 | t_bindir=`eval echo ${t_bindir}` |
| 4463 | case $t_bindir in |
| 4464 | NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;; |
| 4465 | esac |
| 4466 | case $t_bindir in |
| 4467 | NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;; |
| 4468 | esac |
| 4469 | done |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 4470 | echo $user_path | grep ":$t_bindir" > /dev/null 2>&1 |
| 4471 | if test $? -ne 0 ; then |
| 4472 | echo $user_path | grep "^$t_bindir" > /dev/null 2>&1 |
| 4473 | if test $? -ne 0 ; then |
| 4474 | user_path=$user_path:$t_bindir |
| 4475 | AC_MSG_RESULT([Adding $t_bindir to USER_PATH so scp will work]) |
| 4476 | fi |
| 4477 | fi |
| 4478 | fi ] |
| 4479 | ) |
| 4480 | if test "x$external_path_file" != "x/etc/login.conf" ; then |
| 4481 | AC_DEFINE_UNQUOTED([USER_PATH], ["$user_path"], [Specify default $PATH]) |
| 4482 | AC_SUBST([user_path]) |
| 4483 | fi |
| 4484 | |
| 4485 | # Set superuser path separately to user path |
| 4486 | AC_ARG_WITH([superuser-path], |
| 4487 | [ --with-superuser-path= Specify different path for super-user], |
| 4488 | [ |
| 4489 | if test -n "$withval" && test "x$withval" != "xno" && \ |
| 4490 | test "x${withval}" != "xyes"; then |
| 4491 | AC_DEFINE_UNQUOTED([SUPERUSER_PATH], ["$withval"], |
| 4492 | [Define if you want a different $PATH |
| 4493 | for the superuser]) |
| 4494 | superuser_path=$withval |
| 4495 | fi |
| 4496 | ] |
| 4497 | ) |
| 4498 | |
| 4499 | |
| 4500 | AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses]) |
| 4501 | IPV4_IN6_HACK_MSG="no" |
| 4502 | AC_ARG_WITH(4in6, |
| 4503 | [ --with-4in6 Check for and convert IPv4 in IPv6 mapped addresses], |
| 4504 | [ |
| 4505 | if test "x$withval" != "xno" ; then |
| 4506 | AC_MSG_RESULT([yes]) |
| 4507 | AC_DEFINE([IPV4_IN_IPV6], [1], |
| 4508 | [Detect IPv4 in IPv6 mapped addresses |
| 4509 | and treat as IPv4]) |
| 4510 | IPV4_IN6_HACK_MSG="yes" |
| 4511 | else |
| 4512 | AC_MSG_RESULT([no]) |
| 4513 | fi |
| 4514 | ], [ |
| 4515 | if test "x$inet6_default_4in6" = "xyes"; then |
| 4516 | AC_MSG_RESULT([yes (default)]) |
| 4517 | AC_DEFINE([IPV4_IN_IPV6]) |
| 4518 | IPV4_IN6_HACK_MSG="yes" |
| 4519 | else |
| 4520 | AC_MSG_RESULT([no (default)]) |
| 4521 | fi |
| 4522 | ] |
| 4523 | ) |
| 4524 | |
| 4525 | # Whether to enable BSD auth support |
| 4526 | BSD_AUTH_MSG=no |
| 4527 | AC_ARG_WITH([bsd-auth], |
| 4528 | [ --with-bsd-auth Enable BSD auth support], |
| 4529 | [ |
| 4530 | if test "x$withval" != "xno" ; then |
| 4531 | AC_DEFINE([BSD_AUTH], [1], |
| 4532 | [Define if you have BSD auth support]) |
| 4533 | BSD_AUTH_MSG=yes |
| 4534 | fi |
| 4535 | ] |
| 4536 | ) |
| 4537 | |
| 4538 | # Where to place sshd.pid |
| 4539 | piddir=/var/run |
| 4540 | # make sure the directory exists |
| 4541 | if test ! -d $piddir ; then |
| 4542 | piddir=`eval echo ${sysconfdir}` |
| 4543 | case $piddir in |
| 4544 | NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;; |
| 4545 | esac |
| 4546 | fi |
| 4547 | |
| 4548 | AC_ARG_WITH([pid-dir], |
| 4549 | [ --with-pid-dir=PATH Specify location of ssh.pid file], |
| 4550 | [ |
| 4551 | if test -n "$withval" && test "x$withval" != "xno" && \ |
| 4552 | test "x${withval}" != "xyes"; then |
| 4553 | piddir=$withval |
| 4554 | if test ! -d $piddir ; then |
| 4555 | AC_MSG_WARN([** no $piddir directory on this system **]) |
| 4556 | fi |
| 4557 | fi |
| 4558 | ] |
| 4559 | ) |
| 4560 | |
| 4561 | AC_DEFINE_UNQUOTED([_PATH_SSH_PIDDIR], ["$piddir"], |
| 4562 | [Specify location of ssh.pid]) |
| 4563 | AC_SUBST([piddir]) |
| 4564 | |
| 4565 | dnl allow user to disable some login recording features |
| 4566 | AC_ARG_ENABLE([lastlog], |
| 4567 | [ --disable-lastlog disable use of lastlog even if detected [no]], |
| 4568 | [ |
| 4569 | if test "x$enableval" = "xno" ; then |
| 4570 | AC_DEFINE([DISABLE_LASTLOG]) |
| 4571 | fi |
| 4572 | ] |
| 4573 | ) |
| 4574 | AC_ARG_ENABLE([utmp], |
| 4575 | [ --disable-utmp disable use of utmp even if detected [no]], |
| 4576 | [ |
| 4577 | if test "x$enableval" = "xno" ; then |
| 4578 | AC_DEFINE([DISABLE_UTMP]) |
| 4579 | fi |
| 4580 | ] |
| 4581 | ) |
| 4582 | AC_ARG_ENABLE([utmpx], |
| 4583 | [ --disable-utmpx disable use of utmpx even if detected [no]], |
| 4584 | [ |
| 4585 | if test "x$enableval" = "xno" ; then |
| 4586 | AC_DEFINE([DISABLE_UTMPX], [1], |
| 4587 | [Define if you don't want to use utmpx]) |
| 4588 | fi |
| 4589 | ] |
| 4590 | ) |
| 4591 | AC_ARG_ENABLE([wtmp], |
| 4592 | [ --disable-wtmp disable use of wtmp even if detected [no]], |
| 4593 | [ |
| 4594 | if test "x$enableval" = "xno" ; then |
| 4595 | AC_DEFINE([DISABLE_WTMP]) |
| 4596 | fi |
| 4597 | ] |
| 4598 | ) |
| 4599 | AC_ARG_ENABLE([wtmpx], |
| 4600 | [ --disable-wtmpx disable use of wtmpx even if detected [no]], |
| 4601 | [ |
| 4602 | if test "x$enableval" = "xno" ; then |
| 4603 | AC_DEFINE([DISABLE_WTMPX], [1], |
| 4604 | [Define if you don't want to use wtmpx]) |
| 4605 | fi |
| 4606 | ] |
| 4607 | ) |
| 4608 | AC_ARG_ENABLE([libutil], |
| 4609 | [ --disable-libutil disable use of libutil (login() etc.) [no]], |
| 4610 | [ |
| 4611 | if test "x$enableval" = "xno" ; then |
| 4612 | AC_DEFINE([DISABLE_LOGIN]) |
| 4613 | fi |
| 4614 | ] |
| 4615 | ) |
| 4616 | AC_ARG_ENABLE([pututline], |
| 4617 | [ --disable-pututline disable use of pututline() etc. ([uw]tmp) [no]], |
| 4618 | [ |
| 4619 | if test "x$enableval" = "xno" ; then |
| 4620 | AC_DEFINE([DISABLE_PUTUTLINE], [1], |
| 4621 | [Define if you don't want to use pututline() |
| 4622 | etc. to write [uw]tmp]) |
| 4623 | fi |
| 4624 | ] |
| 4625 | ) |
| 4626 | AC_ARG_ENABLE([pututxline], |
| 4627 | [ --disable-pututxline disable use of pututxline() etc. ([uw]tmpx) [no]], |
| 4628 | [ |
| 4629 | if test "x$enableval" = "xno" ; then |
| 4630 | AC_DEFINE([DISABLE_PUTUTXLINE], [1], |
| 4631 | [Define if you don't want to use pututxline() |
| 4632 | etc. to write [uw]tmpx]) |
| 4633 | fi |
| 4634 | ] |
| 4635 | ) |
| 4636 | AC_ARG_WITH([lastlog], |
| 4637 | [ --with-lastlog=FILE|DIR specify lastlog location [common locations]], |
| 4638 | [ |
| 4639 | if test "x$withval" = "xno" ; then |
| 4640 | AC_DEFINE([DISABLE_LASTLOG]) |
| 4641 | elif test -n "$withval" && test "x${withval}" != "xyes"; then |
| 4642 | conf_lastlog_location=$withval |
| 4643 | fi |
| 4644 | ] |
| 4645 | ) |
| 4646 | |
| 4647 | dnl lastlog, [uw]tmpx? detection |
| 4648 | dnl NOTE: set the paths in the platform section to avoid the |
| 4649 | dnl need for command-line parameters |
| 4650 | dnl lastlog and [uw]tmp are subject to a file search if all else fails |
| 4651 | |
| 4652 | dnl lastlog detection |
| 4653 | dnl NOTE: the code itself will detect if lastlog is a directory |
| 4654 | AC_MSG_CHECKING([if your system defines LASTLOG_FILE]) |
| 4655 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 4656 | #include <sys/types.h> |
| 4657 | #include <utmp.h> |
| 4658 | #ifdef HAVE_LASTLOG_H |
| 4659 | # include <lastlog.h> |
| 4660 | #endif |
| 4661 | #ifdef HAVE_PATHS_H |
| 4662 | # include <paths.h> |
| 4663 | #endif |
| 4664 | #ifdef HAVE_LOGIN_H |
| 4665 | # include <login.h> |
| 4666 | #endif |
| 4667 | ]], [[ char *lastlog = LASTLOG_FILE; ]])], |
| 4668 | [ AC_MSG_RESULT([yes]) ], |
| 4669 | [ |
| 4670 | AC_MSG_RESULT([no]) |
| 4671 | AC_MSG_CHECKING([if your system defines _PATH_LASTLOG]) |
| 4672 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 4673 | #include <sys/types.h> |
| 4674 | #include <utmp.h> |
| 4675 | #ifdef HAVE_LASTLOG_H |
| 4676 | # include <lastlog.h> |
| 4677 | #endif |
| 4678 | #ifdef HAVE_PATHS_H |
| 4679 | # include <paths.h> |
| 4680 | #endif |
| 4681 | ]], [[ char *lastlog = _PATH_LASTLOG; ]])], |
| 4682 | [ AC_MSG_RESULT([yes]) ], |
| 4683 | [ |
| 4684 | AC_MSG_RESULT([no]) |
| 4685 | system_lastlog_path=no |
| 4686 | ]) |
| 4687 | ]) |
| 4688 | |
| 4689 | if test -z "$conf_lastlog_location"; then |
| 4690 | if test x"$system_lastlog_path" = x"no" ; then |
| 4691 | for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do |
| 4692 | if (test -d "$f" || test -f "$f") ; then |
| 4693 | conf_lastlog_location=$f |
| 4694 | fi |
| 4695 | done |
| 4696 | if test -z "$conf_lastlog_location"; then |
| 4697 | AC_MSG_WARN([** Cannot find lastlog **]) |
| 4698 | dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx |
| 4699 | fi |
| 4700 | fi |
| 4701 | fi |
| 4702 | |
| 4703 | if test -n "$conf_lastlog_location"; then |
| 4704 | AC_DEFINE_UNQUOTED([CONF_LASTLOG_FILE], ["$conf_lastlog_location"], |
| 4705 | [Define if you want to specify the path to your lastlog file]) |
| 4706 | fi |
| 4707 | |
| 4708 | dnl utmp detection |
| 4709 | AC_MSG_CHECKING([if your system defines UTMP_FILE]) |
| 4710 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 4711 | #include <sys/types.h> |
| 4712 | #include <utmp.h> |
| 4713 | #ifdef HAVE_PATHS_H |
| 4714 | # include <paths.h> |
| 4715 | #endif |
| 4716 | ]], [[ char *utmp = UTMP_FILE; ]])], |
| 4717 | [ AC_MSG_RESULT([yes]) ], |
| 4718 | [ AC_MSG_RESULT([no]) |
| 4719 | system_utmp_path=no |
| 4720 | ]) |
| 4721 | if test -z "$conf_utmp_location"; then |
| 4722 | if test x"$system_utmp_path" = x"no" ; then |
| 4723 | for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do |
| 4724 | if test -f $f ; then |
| 4725 | conf_utmp_location=$f |
| 4726 | fi |
| 4727 | done |
| 4728 | if test -z "$conf_utmp_location"; then |
| 4729 | AC_DEFINE([DISABLE_UTMP]) |
| 4730 | fi |
| 4731 | fi |
| 4732 | fi |
| 4733 | if test -n "$conf_utmp_location"; then |
| 4734 | AC_DEFINE_UNQUOTED([CONF_UTMP_FILE], ["$conf_utmp_location"], |
| 4735 | [Define if you want to specify the path to your utmp file]) |
| 4736 | fi |
| 4737 | |
| 4738 | dnl wtmp detection |
| 4739 | AC_MSG_CHECKING([if your system defines WTMP_FILE]) |
| 4740 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 4741 | #include <sys/types.h> |
| 4742 | #include <utmp.h> |
| 4743 | #ifdef HAVE_PATHS_H |
| 4744 | # include <paths.h> |
| 4745 | #endif |
| 4746 | ]], [[ char *wtmp = WTMP_FILE; ]])], |
| 4747 | [ AC_MSG_RESULT([yes]) ], |
| 4748 | [ AC_MSG_RESULT([no]) |
| 4749 | system_wtmp_path=no |
| 4750 | ]) |
| 4751 | if test -z "$conf_wtmp_location"; then |
| 4752 | if test x"$system_wtmp_path" = x"no" ; then |
| 4753 | for f in /usr/adm/wtmp /var/log/wtmp; do |
| 4754 | if test -f $f ; then |
| 4755 | conf_wtmp_location=$f |
| 4756 | fi |
| 4757 | done |
| 4758 | if test -z "$conf_wtmp_location"; then |
| 4759 | AC_DEFINE([DISABLE_WTMP]) |
| 4760 | fi |
| 4761 | fi |
| 4762 | fi |
| 4763 | if test -n "$conf_wtmp_location"; then |
| 4764 | AC_DEFINE_UNQUOTED([CONF_WTMP_FILE], ["$conf_wtmp_location"], |
| 4765 | [Define if you want to specify the path to your wtmp file]) |
| 4766 | fi |
| 4767 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 4768 | dnl wtmpx detection |
| 4769 | AC_MSG_CHECKING([if your system defines WTMPX_FILE]) |
| 4770 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 4771 | #include <sys/types.h> |
| 4772 | #include <utmp.h> |
| 4773 | #ifdef HAVE_UTMPX_H |
| 4774 | #include <utmpx.h> |
| 4775 | #endif |
| 4776 | #ifdef HAVE_PATHS_H |
| 4777 | # include <paths.h> |
| 4778 | #endif |
| 4779 | ]], [[ char *wtmpx = WTMPX_FILE; ]])], |
| 4780 | [ AC_MSG_RESULT([yes]) ], |
| 4781 | [ AC_MSG_RESULT([no]) |
| 4782 | system_wtmpx_path=no |
| 4783 | ]) |
| 4784 | if test -z "$conf_wtmpx_location"; then |
| 4785 | if test x"$system_wtmpx_path" = x"no" ; then |
| 4786 | AC_DEFINE([DISABLE_WTMPX]) |
| 4787 | fi |
| 4788 | else |
| 4789 | AC_DEFINE_UNQUOTED([CONF_WTMPX_FILE], ["$conf_wtmpx_location"], |
| 4790 | [Define if you want to specify the path to your wtmpx file]) |
| 4791 | fi |
| 4792 | |
| 4793 | |
| 4794 | if test ! -z "$blibpath" ; then |
| 4795 | LDFLAGS="$LDFLAGS $blibflags$blibpath" |
| 4796 | AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile]) |
| 4797 | fi |
| 4798 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 4799 | AC_CHECK_MEMBER([struct lastlog.ll_line], [], [ |
| 4800 | if test x$SKIP_DISABLE_LASTLOG_DEFINE != "xyes" ; then |
| 4801 | AC_DEFINE([DISABLE_LASTLOG]) |
| 4802 | fi |
| 4803 | ], [ |
| 4804 | #ifdef HAVE_SYS_TYPES_H |
| 4805 | #include <sys/types.h> |
| 4806 | #endif |
| 4807 | #ifdef HAVE_UTMP_H |
| 4808 | #include <utmp.h> |
| 4809 | #endif |
| 4810 | #ifdef HAVE_UTMPX_H |
| 4811 | #include <utmpx.h> |
| 4812 | #endif |
| 4813 | #ifdef HAVE_LASTLOG_H |
| 4814 | #include <lastlog.h> |
| 4815 | #endif |
| 4816 | ]) |
| 4817 | |
| 4818 | AC_CHECK_MEMBER([struct utmp.ut_line], [], [ |
| 4819 | AC_DEFINE([DISABLE_UTMP]) |
| 4820 | AC_DEFINE([DISABLE_WTMP]) |
| 4821 | ], [ |
| 4822 | #ifdef HAVE_SYS_TYPES_H |
| 4823 | #include <sys/types.h> |
| 4824 | #endif |
| 4825 | #ifdef HAVE_UTMP_H |
| 4826 | #include <utmp.h> |
| 4827 | #endif |
| 4828 | #ifdef HAVE_UTMPX_H |
| 4829 | #include <utmpx.h> |
| 4830 | #endif |
| 4831 | #ifdef HAVE_LASTLOG_H |
| 4832 | #include <lastlog.h> |
| 4833 | #endif |
| 4834 | ]) |
| 4835 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 4836 | dnl Adding -Werror to CFLAGS early prevents configure tests from running. |
| 4837 | dnl Add now. |
| 4838 | CFLAGS="$CFLAGS $werror_flags" |
| 4839 | |
| 4840 | if test "x$ac_cv_func_getaddrinfo" != "xyes" ; then |
| 4841 | TEST_SSH_IPV6=no |
| 4842 | else |
| 4843 | TEST_SSH_IPV6=yes |
| 4844 | fi |
| 4845 | AC_CHECK_DECL([BROKEN_GETADDRINFO], [TEST_SSH_IPV6=no]) |
| 4846 | AC_SUBST([TEST_SSH_IPV6], [$TEST_SSH_IPV6]) |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 4847 | AC_SUBST([TEST_MALLOC_OPTIONS], [$TEST_MALLOC_OPTIONS]) |
| 4848 | AC_SUBST([UNSUPPORTED_ALGORITHMS], [$unsupported_algorithms]) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 4849 | |
| 4850 | AC_EXEEXT |
| 4851 | AC_CONFIG_FILES([Makefile buildpkg.sh opensshd.init openssh.xml \ |
| 4852 | openbsd-compat/Makefile openbsd-compat/regress/Makefile \ |
| 4853 | survey.sh]) |
| 4854 | AC_OUTPUT |
| 4855 | |
| 4856 | # Print summary of options |
| 4857 | |
| 4858 | # Someone please show me a better way :) |
| 4859 | A=`eval echo ${prefix}` ; A=`eval echo ${A}` |
| 4860 | B=`eval echo ${bindir}` ; B=`eval echo ${B}` |
| 4861 | C=`eval echo ${sbindir}` ; C=`eval echo ${C}` |
| 4862 | D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}` |
| 4863 | E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}` |
| 4864 | F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}` |
| 4865 | G=`eval echo ${piddir}` ; G=`eval echo ${G}` |
| 4866 | H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}` |
| 4867 | I=`eval echo ${user_path}` ; I=`eval echo ${I}` |
| 4868 | J=`eval echo ${superuser_path}` ; J=`eval echo ${J}` |
| 4869 | |
| 4870 | echo "" |
| 4871 | echo "OpenSSH has been configured with the following options:" |
| 4872 | echo " User binaries: $B" |
| 4873 | echo " System binaries: $C" |
| 4874 | echo " Configuration files: $D" |
| 4875 | echo " Askpass program: $E" |
| 4876 | echo " Manual pages: $F" |
| 4877 | echo " PID file: $G" |
| 4878 | echo " Privilege separation chroot path: $H" |
| 4879 | if test "x$external_path_file" = "x/etc/login.conf" ; then |
| 4880 | echo " At runtime, sshd will use the path defined in $external_path_file" |
| 4881 | echo " Make sure the path to scp is present, otherwise scp will not work" |
| 4882 | else |
| 4883 | echo " sshd default user PATH: $I" |
| 4884 | if test ! -z "$external_path_file"; then |
| 4885 | echo " (If PATH is set in $external_path_file it will be used instead. If" |
| 4886 | echo " used, ensure the path to scp is present, otherwise scp will not work.)" |
| 4887 | fi |
| 4888 | fi |
| 4889 | if test ! -z "$superuser_path" ; then |
| 4890 | echo " sshd superuser user PATH: $J" |
| 4891 | fi |
| 4892 | echo " Manpage format: $MANTYPE" |
| 4893 | echo " PAM support: $PAM_MSG" |
| 4894 | echo " OSF SIA support: $SIA_MSG" |
| 4895 | echo " KerberosV support: $KRB5_MSG" |
| 4896 | echo " SELinux support: $SELINUX_MSG" |
| 4897 | echo " Smartcard support: $SCARD_MSG" |
| 4898 | echo " S/KEY support: $SKEY_MSG" |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 4899 | echo " MD5 password support: $MD5_MSG" |
| 4900 | echo " libedit support: $LIBEDIT_MSG" |
| 4901 | echo " Solaris process contract support: $SPC_MSG" |
| 4902 | echo " Solaris project support: $SP_MSG" |
| 4903 | echo " IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG" |
| 4904 | echo " Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG" |
| 4905 | echo " BSD Auth support: $BSD_AUTH_MSG" |
| 4906 | echo " Random number source: $RAND_MSG" |
| 4907 | echo " Privsep sandbox style: $SANDBOX_STYLE" |
| 4908 | |
| 4909 | echo "" |
| 4910 | |
| 4911 | echo " Host: ${host}" |
| 4912 | echo " Compiler: ${CC}" |
| 4913 | echo " Compiler flags: ${CFLAGS}" |
| 4914 | echo "Preprocessor flags: ${CPPFLAGS}" |
| 4915 | echo " Linker flags: ${LDFLAGS}" |
| 4916 | echo " Libraries: ${LIBS}" |
| 4917 | if test ! -z "${SSHDLIBS}"; then |
| 4918 | echo " +for sshd: ${SSHDLIBS}" |
| 4919 | fi |
| 4920 | if test ! -z "${SSHLIBS}"; then |
| 4921 | echo " +for ssh: ${SSHLIBS}" |
| 4922 | fi |
| 4923 | |
| 4924 | echo "" |
| 4925 | |
| 4926 | if test "x$MAKE_PACKAGE_SUPPORTED" = "xyes" ; then |
| 4927 | echo "SVR4 style packages are supported with \"make package\"" |
| 4928 | echo "" |
| 4929 | fi |
| 4930 | |
| 4931 | if test "x$PAM_MSG" = "xyes" ; then |
| 4932 | echo "PAM is enabled. You may need to install a PAM control file " |
| 4933 | echo "for sshd, otherwise password authentication may fail. " |
| 4934 | echo "Example PAM control files can be found in the contrib/ " |
| 4935 | echo "subdirectory" |
| 4936 | echo "" |
| 4937 | fi |
| 4938 | |
| 4939 | if test ! -z "$NO_PEERCHECK" ; then |
| 4940 | echo "WARNING: the operating system that you are using does not" |
| 4941 | echo "appear to support getpeereid(), getpeerucred() or the" |
| 4942 | echo "SO_PEERCRED getsockopt() option. These facilities are used to" |
| 4943 | echo "enforce security checks to prevent unauthorised connections to" |
| 4944 | echo "ssh-agent. Their absence increases the risk that a malicious" |
| 4945 | echo "user can connect to your agent." |
| 4946 | echo "" |
| 4947 | fi |
| 4948 | |
| 4949 | if test "$AUDIT_MODULE" = "bsm" ; then |
| 4950 | echo "WARNING: BSM audit support is currently considered EXPERIMENTAL." |
| 4951 | echo "See the Solaris section in README.platform for details." |
| 4952 | fi |