2 AC_INIT([cryptsetup],[1.6.7])
4 dnl library version from <major>.<minor>.<release>[-<suffix>]
5 LIBCRYPTSETUP_VERSION=$(echo $PACKAGE_VERSION | cut -f1 -d-)
6 LIBCRYPTSETUP_VERSION_INFO=11:0:7
9 AC_CONFIG_SRCDIR(src/cryptsetup.c)
10 AC_CONFIG_MACRO_DIR([m4])
12 AC_CONFIG_HEADERS([config.h:config.h.in])
14 # We do not want to run test in parallel. Really.
15 # http://lists.gnu.org/archive/html/automake/2013-01/msg00060.html
17 # For old automake use this
18 #AM_INIT_AUTOMAKE(dist-xz)
19 AM_INIT_AUTOMAKE([dist-xz 1.12 serial-tests])
21 if test "x$prefix" = "xNONE"; then
24 AC_PREFIX_DEFAULT(/usr)
27 AC_USE_SYSTEM_EXTENSIONS
39 AC_CHECK_HEADERS(fcntl.h malloc.h inttypes.h sys/ioctl.h sys/mman.h \
40 ctype.h unistd.h locale.h byteswap.h endian.h)
42 AC_CHECK_HEADERS(uuid/uuid.h,,[AC_MSG_ERROR([You need the uuid library.])])
43 AC_CHECK_HEADER(libdevmapper.h,,[AC_MSG_ERROR([You need the device-mapper library.])])
46 AC_CHECK_LIB(uuid, uuid_clear, ,[AC_MSG_ERROR([You need the uuid library.])])
47 AC_SUBST(UUID_LIBS, $LIBS)
50 AC_SEARCH_LIBS([clock_gettime],[rt posix4])
51 AC_CHECK_FUNCS([posix_memalign clock_gettime])
53 if test "x$enable_largefile" = "xno" ; then
54 AC_MSG_ERROR([Building with --disable-largefile is not supported, it can cause data corruption.])
62 AC_PROG_GCC_TRADITIONAL
65 dnl ==========================================================================
67 AM_GNU_GETTEXT([external],[need-ngettext])
68 AM_GNU_GETTEXT_VERSION([0.15])
70 dnl ==========================================================================
73 AC_CHECK_LIB(popt, poptConfigFileToString,,
74 [AC_MSG_ERROR([You need popt 1.7 or newer to compile.])])
75 AC_SUBST(POPT_LIBS, $LIBS)
78 dnl ==========================================================================
79 dnl FIPS extensions (only for RHEL)
80 AC_ARG_ENABLE([fips], AS_HELP_STRING([--enable-fips],[enable FIPS mode restrictions]),
81 [with_fips=$enableval],
84 if test "x$with_fips" = "xyes"; then
85 AC_DEFINE(ENABLE_FIPS, 1, [Enable FIPS mode restrictions])
87 if test "x$enable_static" = "xyes" -o "x$enable_static_cryptsetup" = "xyes" ; then
88 AC_MSG_ERROR([Static build is not compatible with FIPS.])
93 if test "x$with_fips" = "xyes"; then
94 AC_MSG_ERROR([This option is not compatible with FIPS.])
98 dnl ==========================================================================
99 dnl pwquality library (cryptsetup CLI only)
100 AC_ARG_ENABLE([pwquality], AS_HELP_STRING([--enable-pwquality],[enable password quality checking]),
101 [with_pwquality=$enableval],
104 if test "x$with_pwquality" = "xyes"; then
105 AC_DEFINE(ENABLE_PWQUALITY, 1, [Enable password quality checking])
106 PKG_CHECK_MODULES([PWQUALITY], [pwquality >= 1.0.0],,
107 AC_MSG_ERROR([You need pwquality library.]))
109 dnl FIXME: this is really hack for now
110 PWQUALITY_STATIC_LIBS="$PWQUALITY_LIBS -lcrack -lz"
113 dnl ==========================================================================
114 dnl Crypto backend functions
116 AC_DEFUN([CONFIGURE_GCRYPT], [
117 if test "x$with_fips" = "xyes"; then
118 GCRYPT_REQ_VERSION=1.4.5
120 GCRYPT_REQ_VERSION=1.1.42
122 dnl Check if we can use gcrypt PBKDF2 (1.6.0 supports empty password)
123 AC_ARG_ENABLE([gcrypt-pbkdf2], AS_HELP_STRING([--enable-gcrypt-pbkdf2],[force enable internal gcrypt PBKDF2]),
124 if test "x$enableval" = "xyes"; then
125 [use_internal_pbkdf2=0]
127 [use_internal_pbkdf2=1]
129 [AM_PATH_LIBGCRYPT([1.6.1], [use_internal_pbkdf2=0], [use_internal_pbkdf2=1])])
130 AM_PATH_LIBGCRYPT($GCRYPT_REQ_VERSION,,[AC_MSG_ERROR([You need the gcrypt library.])])
132 AC_MSG_CHECKING([if internal cryptsetup PBKDF2 is compiled-in])
133 if test $use_internal_pbkdf2 = 0; then
140 if test x$enable_static_cryptsetup = xyes; then
142 LIBS="$saved_LIBS $LIBGCRYPT_LIBS -static"
143 AC_CHECK_LIB(gcrypt, gcry_check_version,,
144 AC_MSG_ERROR([Cannot find static gcrypt library.]),
146 LIBGCRYPT_STATIC_LIBS="$LIBGCRYPT_LIBS -lgpg-error"
150 CRYPTO_CFLAGS=$LIBGCRYPT_CFLAGS
151 CRYPTO_LIBS=$LIBGCRYPT_LIBS
152 CRYPTO_STATIC_LIBS=$LIBGCRYPT_STATIC_LIBS
154 AC_DEFINE_UNQUOTED(GCRYPT_REQ_VERSION, ["$GCRYPT_REQ_VERSION"], [Requested gcrypt version])
157 AC_DEFUN([CONFIGURE_OPENSSL], [
158 PKG_CHECK_MODULES([OPENSSL], [openssl >= 0.9.8],,
159 AC_MSG_ERROR([You need openssl library.]))
160 CRYPTO_CFLAGS=$OPENSSL_CFLAGS
161 CRYPTO_LIBS=$OPENSSL_LIBS
162 use_internal_pbkdf2=0
164 if test x$enable_static_cryptsetup = xyes; then
165 saved_PKG_CONFIG=$PKG_CONFIG
166 PKG_CONFIG="$PKG_CONFIG --static"
167 PKG_CHECK_MODULES([OPENSSL_STATIC], [openssl])
168 CRYPTO_STATIC_LIBS=$OPENSSL_STATIC_LIBS
169 PKG_CONFIG=$saved_PKG_CONFIG
174 AC_DEFUN([CONFIGURE_NSS], [
175 if test x$enable_static_cryptsetup = xyes; then
176 AC_MSG_ERROR([Static build of cryptsetup is not supported with NSS.])
179 AC_MSG_WARN([NSS backend does NOT provide backward compatibility (missing ripemd160 hash).])
181 PKG_CHECK_MODULES([NSS], [nss],,
182 AC_MSG_ERROR([You need nss library.]))
185 CFLAGS="$CFLAGS $NSS_CFLAGS"
186 AC_CHECK_DECLS([NSS_GetVersion], [], [], [#include <nss.h>])
189 CRYPTO_CFLAGS=$NSS_CFLAGS
190 CRYPTO_LIBS=$NSS_LIBS
191 use_internal_pbkdf2=1
195 AC_DEFUN([CONFIGURE_KERNEL], [
196 AC_CHECK_HEADERS(linux/if_alg.h,,
197 [AC_MSG_ERROR([You need Linux kernel headers with userspace crypto interface.])])
198 # AC_CHECK_DECLS([AF_ALG],,
199 # [AC_MSG_ERROR([You need Linux kernel with userspace crypto interface.])],
200 # [#include <sys/socket.h>])
201 use_internal_pbkdf2=1
205 AC_DEFUN([CONFIGURE_NETTLE], [
206 AC_CHECK_HEADERS(nettle/sha.h,,
207 [AC_MSG_ERROR([You need Nettle cryptographic library.])])
210 AC_CHECK_LIB(nettle, nettle_pbkdf2_hmac_sha256,,
211 [AC_MSG_ERROR([You need Nettle library version 2.6 or more recent.])])
215 CRYPTO_STATIC_LIBS=$CRYPTO_LIBS
216 use_internal_pbkdf2=0
220 dnl ==========================================================================
223 AC_ARG_ENABLE([static-cryptsetup],
224 AS_HELP_STRING([--enable-static-cryptsetup],
225 [enable build of static cryptsetup binary]))
226 if test x$enable_static_cryptsetup = xyes; then
227 if test x$enable_static = xno; then
228 AC_MSG_WARN([Requested static cryptsetup build, enabling static library.])
232 AM_CONDITIONAL(STATIC_TOOLS, test x$enable_static_cryptsetup = xyes)
234 AC_ARG_ENABLE(veritysetup,
235 AS_HELP_STRING([--disable-veritysetup],
236 [disable veritysetup support]),[], [enable_veritysetup=yes])
237 AM_CONDITIONAL(VERITYSETUP, test x$enable_veritysetup = xyes)
239 AC_ARG_ENABLE([cryptsetup-reencrypt],
240 AS_HELP_STRING([--enable-cryptsetup-reencrypt],
241 [enable cryptsetup-reencrypt tool]))
242 AM_CONDITIONAL(REENCRYPT, test x$enable_cryptsetup_reencrypt = xyes)
244 AC_ARG_ENABLE(selinux,
245 AS_HELP_STRING([--disable-selinux],
246 [disable selinux support [default=auto]]),[], [])
248 AC_ARG_ENABLE([udev],
249 AS_HELP_STRING([--disable-udev],
250 [disable udev support]),[], enable_udev=yes)
252 dnl Try to use pkg-config for devmapper, but fallback to old detection
253 PKG_CHECK_MODULES([DEVMAPPER], [devmapper >= 1.02.03],, [
254 AC_CHECK_LIB(devmapper, dm_task_set_name,,
255 [AC_MSG_ERROR([You need the device-mapper library.])])
256 AC_CHECK_LIB(devmapper, dm_task_set_message,,
257 [AC_MSG_ERROR([The device-mapper library on your system is too old.])])
262 LIBS="$LIBS $DEVMAPPER_LIBS"
263 AC_CHECK_DECLS([dm_task_secure_data], [], [], [#include <libdevmapper.h>])
264 AC_CHECK_DECLS([dm_task_retry_remove], [], [], [#include <libdevmapper.h>])
265 AC_CHECK_DECLS([DM_UDEV_DISABLE_DISK_RULES_FLAG], [have_cookie=yes], [have_cookie=no], [#include <libdevmapper.h>])
266 if test "x$enable_udev" = xyes; then
267 if test "x$have_cookie" = xno; then
268 AC_MSG_WARN([The device-mapper library on your system has no udev support, udev support disabled.])
270 AC_DEFINE(USE_UDEV, 1, [Try to use udev synchronisation?])
275 dnl Crypto backend configuration.
276 AC_ARG_WITH([crypto_backend],
277 AS_HELP_STRING([--with-crypto_backend=BACKEND], [crypto backend (gcrypt/openssl/nss/kernel/nettle) [gcrypt]]),
278 [], with_crypto_backend=gcrypt
281 dnl Kernel crypto API backend needed for benchmark and tcrypt
282 AC_ARG_ENABLE([kernel_crypto], AS_HELP_STRING([--disable-kernel_crypto],
283 [disable kernel userspace crypto (no benchmark and tcrypt)]),
284 [with_kernel_crypto=$enableval],
285 [with_kernel_crypto=yes])
287 if test "x$with_kernel_crypto" = "xyes"; then
288 AC_CHECK_HEADERS(linux/if_alg.h,,
289 [AC_MSG_ERROR([You need Linux kernel headers with userspace crypto interface. (Or use --disable-kernel_crypto.)])])
290 AC_DEFINE(ENABLE_AF_ALG, 1, [Enable using of kernel userspace crypto])
293 case $with_crypto_backend in
294 gcrypt) CONFIGURE_GCRYPT([]) ;;
295 openssl) CONFIGURE_OPENSSL([]) ;;
296 nss) CONFIGURE_NSS([]) ;;
297 kernel) CONFIGURE_KERNEL([]) ;;
298 nettle) CONFIGURE_NETTLE([]) ;;
299 *) AC_MSG_ERROR([Unknown crypto backend.]) ;;
301 AM_CONDITIONAL(CRYPTO_BACKEND_GCRYPT, test $with_crypto_backend = gcrypt)
302 AM_CONDITIONAL(CRYPTO_BACKEND_OPENSSL, test $with_crypto_backend = openssl)
303 AM_CONDITIONAL(CRYPTO_BACKEND_NSS, test $with_crypto_backend = nss)
304 AM_CONDITIONAL(CRYPTO_BACKEND_KERNEL, test $with_crypto_backend = kernel)
305 AM_CONDITIONAL(CRYPTO_BACKEND_NETTLE, test $with_crypto_backend = nettle)
307 AM_CONDITIONAL(CRYPTO_INTERNAL_PBKDF2, test $use_internal_pbkdf2 = 1)
308 AC_DEFINE_UNQUOTED(USE_INTERNAL_PBKDF2, [$use_internal_pbkdf2], [Use internal PBKDF2])
310 dnl Magic for cryptsetup.static build.
311 if test x$enable_static_cryptsetup = xyes; then
312 saved_PKG_CONFIG=$PKG_CONFIG
313 PKG_CONFIG="$PKG_CONFIG --static"
315 LIBS="$saved_LIBS -static"
316 AC_CHECK_LIB(popt, poptGetContext,,
317 AC_MSG_ERROR([Cannot find static popt library.]))
319 dnl Try to detect needed device-mapper static libraries, try pkg-config first.
320 LIBS="$saved_LIBS -static"
321 PKG_CHECK_MODULES([DEVMAPPER_STATIC], [devmapper >= 1.02.27],,[
322 DEVMAPPER_STATIC_LIBS=$DEVMAPPER_LIBS
323 if test "x$enable_selinux" != xno; then
324 AC_CHECK_LIB(sepol, sepol_bool_set)
325 AC_CHECK_LIB(selinux, is_selinux_enabled)
326 DEVMAPPER_STATIC_LIBS="$DEVMAPPER_STATIC_LIBS $LIBS"
329 LIBS="$saved_LIBS $DEVMAPPER_STATIC_LIBS"
330 AC_CHECK_LIB(devmapper, dm_task_set_uuid,,
331 AC_MSG_ERROR([Cannot link with static device-mapper library.]))
333 dnl Try to detect uuid static library.
334 LIBS="$saved_LIBS -static"
335 AC_CHECK_LIB(uuid, uuid_generate,,
336 AC_MSG_ERROR([Cannot find static uuid library.]))
339 PKG_CONFIG=$saved_PKG_CONFIG
342 AC_SUBST([DEVMAPPER_LIBS])
343 AC_SUBST([DEVMAPPER_STATIC_LIBS])
345 AC_SUBST([PWQUALITY_LIBS])
346 AC_SUBST([PWQUALITY_STATIC_LIBS])
348 AC_SUBST([CRYPTO_CFLAGS])
349 AC_SUBST([CRYPTO_LIBS])
350 AC_SUBST([CRYPTO_STATIC_LIBS])
352 AC_SUBST([LIBCRYPTSETUP_VERSION])
353 AC_SUBST([LIBCRYPTSETUP_VERSION_INFO])
355 dnl ==========================================================================
356 AC_ARG_ENABLE([dev-random], AS_HELP_STRING([--enable-dev-random],
357 [use blocking /dev/random by default for key generator (otherwise use /dev/urandom)]),
358 [default_rng=/dev/random], [default_rng=/dev/urandom])
359 AC_DEFINE_UNQUOTED(DEFAULT_RNG, ["$default_rng"], [default RNG type for key generator])
361 dnl ==========================================================================
362 AC_DEFUN([CS_DEFINE],
363 [AC_DEFINE_UNQUOTED(DEFAULT_[]m4_translit([$1], [-a-z], [_A-Z]), [$2], [$3])
366 AC_DEFUN([CS_STR_WITH], [AC_ARG_WITH([$1],
367 [AS_HELP_STRING(--with-[$1], [default $2 [$3]])],
368 [CS_DEFINE([$1], ["$withval"], [$2])],
369 [CS_DEFINE([$1], ["$3"], [$2])]
372 AC_DEFUN([CS_NUM_WITH], [AC_ARG_WITH([$1],
373 [AS_HELP_STRING(--with-[$1], [default $2 [$3]])],
374 [CS_DEFINE([$1], [$withval], [$2])],
375 [CS_DEFINE([$1], [$3], [$2])]
378 dnl ==========================================================================
380 AC_ARG_ENABLE([python], AS_HELP_STRING([--enable-python],[enable Python bindings]),
381 [with_python=$enableval],
384 AC_ARG_WITH([python_version],
385 AS_HELP_STRING([--with-python_version=VERSION], [required Python version [2.6]]),
386 [PYTHON_VERSION=$withval], [PYTHON_VERSION=2.6])
388 if test "x$with_python" = "xyes"; then
389 AM_PATH_PYTHON([$PYTHON_VERSION])
391 if ! test -x "$PYTHON-config" ; then
392 AC_MSG_ERROR([Cannot find python development packages to build bindings])
395 PYTHON_INCLUDES=$($PYTHON-config --includes)
396 AC_SUBST(PYTHON_INCLUDES)
398 PYTHON_LIBS=$($PYTHON-config --libs)
399 AC_SUBST(PYTHON_LIBS)
401 AM_CONDITIONAL([PYTHON_CRYPTSETUP], [test "x$with_python" = "xyes"])
403 dnl ==========================================================================
404 CS_STR_WITH([plain-hash], [password hashing function for plain mode], [ripemd160])
405 CS_STR_WITH([plain-cipher], [cipher for plain mode], [aes])
406 CS_STR_WITH([plain-mode], [cipher mode for plain mode], [cbc-essiv:sha256])
407 CS_NUM_WITH([plain-keybits],[key length in bits for plain mode], [256])
409 CS_STR_WITH([luks1-hash], [hash function for LUKS1 header], [sha1])
410 CS_STR_WITH([luks1-cipher], [cipher for LUKS1], [aes])
411 CS_STR_WITH([luks1-mode], [cipher mode for LUKS1], [xts-plain64])
412 CS_NUM_WITH([luks1-keybits],[key length in bits for LUKS1], [256])
413 CS_NUM_WITH([luks1-iter-time],[PBKDF2 iteration time for LUKS1 (in ms)], [1000])
415 CS_STR_WITH([loopaes-cipher], [cipher for loop-AES mode], [aes])
416 CS_NUM_WITH([loopaes-keybits],[key length in bits for loop-AES mode], [256])
418 CS_NUM_WITH([keyfile-size-maxkb],[maximum keyfile size (in KiB)], [8192])
419 CS_NUM_WITH([passphrase-size-max],[maximum keyfile size (in characters)], [512])
421 CS_STR_WITH([verity-hash], [hash function for verity mode], [sha256])
422 CS_NUM_WITH([verity-data-block], [data block size for verity mode], [4096])
423 CS_NUM_WITH([verity-hash-block], [hash block size for verity mode], [4096])
424 CS_NUM_WITH([verity-salt-size], [salt size for verity mode], [32])
426 dnl ==========================================================================
428 AC_CONFIG_FILES([ Makefile
431 lib/crypto_backend/Makefile