2 AC_INIT([cryptsetup],[1.5.0-rc2])
4 dnl library version from <major>.<minor>.<release>[-<suffix>]
5 LIBCRYPTSETUP_VERSION=$(echo $PACKAGE_VERSION | cut -f1 -d-)
6 LIBCRYPTSETUP_VERSION_INFO=7:0:3
8 AC_CONFIG_SRCDIR(src/cryptsetup.c)
9 AC_CONFIG_MACRO_DIR([m4])
11 AC_CONFIG_HEADERS([config.h:config.h.in])
12 AM_INIT_AUTOMAKE(dist-bzip2)
14 if test "x$prefix" = "xNONE"; then
17 AC_PREFIX_DEFAULT(/usr)
20 AC_USE_SYSTEM_EXTENSIONS
31 AC_CHECK_HEADERS(fcntl.h malloc.h inttypes.h sys/ioctl.h sys/mman.h \
32 ctype.h unistd.h locale.h)
34 AC_CHECK_HEADERS(uuid/uuid.h,,[AC_MSG_ERROR([You need the uuid library.])])
35 AC_CHECK_HEADER(libdevmapper.h,,[AC_MSG_ERROR([You need the device-mapper library.])])
38 AC_CHECK_LIB(uuid, uuid_clear, ,[AC_MSG_ERROR([You need the uuid library.])])
39 AC_SUBST(UUID_LIBS, $LIBS)
42 AC_CHECK_FUNCS([posix_memalign])
49 AC_PROG_GCC_TRADITIONAL
51 dnl ==========================================================================
53 AM_GNU_GETTEXT([external],[need-ngettext])
54 AM_GNU_GETTEXT_VERSION([0.15])
56 dnl ==========================================================================
59 AC_CHECK_LIB(popt, poptConfigFileToString,,
60 [AC_MSG_ERROR([You need popt 1.7 or newer to compile.])])
61 AC_SUBST(POPT_LIBS, $LIBS)
64 dnl ==========================================================================
66 AC_ARG_ENABLE([fips], AS_HELP_STRING([--enable-fips],[enable FIPS mode restrictions]),
67 [with_fips=$enableval],
70 if test "x$with_fips" = "xyes"; then
71 AC_DEFINE(ENABLE_FIPS, 1, [Enable FIPS mode restrictions])
73 if test "x$enable_static" = "xyes" -o "x$enable_static_cryptsetup" = "xyes" ; then
74 AC_MSG_ERROR([Static build is not compatible with FIPS.])
78 AC_CHECK_LIB(fipscheck, FIPSCHECK_verify, ,[AC_MSG_ERROR([You need the fipscheck library.])])
79 AC_SUBST(FIPSCHECK_LIBS, $LIBS)
85 if test "x$with_fips" = "xyes"; then
86 AC_MSG_ERROR([This option is not compatible with FIPS.])
90 dnl ==========================================================================
91 dnl Crypto backend functions
93 AC_DEFUN([CONFIGURE_GCRYPT], [
94 if test "x$with_fips" = "xyes"; then
95 GCRYPT_REQ_VERSION=1.4.5
97 GCRYPT_REQ_VERSION=1.1.42
99 AM_PATH_LIBGCRYPT($GCRYPT_REQ_VERSION,,[AC_MSG_ERROR([You need the gcrypt library.])])
101 if test x$enable_static_cryptsetup = xyes; then
103 LIBS="$saved_LIBS $LIBGCRYPT_LIBS -static"
104 AC_CHECK_LIB(gcrypt, gcry_check_version,,
105 AC_MSG_ERROR([Cannot find static gcrypt library.]),
107 LIBGCRYPT_STATIC_LIBS="$LIBGCRYPT_LIBS -lgpg-error"
111 CRYPTO_CFLAGS=$LIBGCRYPT_CFLAGS
112 CRYPTO_LIBS=$LIBGCRYPT_LIBS
113 CRYPTO_STATIC_LIBS=$LIBGCRYPT_STATIC_LIBS
115 AC_DEFINE_UNQUOTED(GCRYPT_REQ_VERSION, ["$GCRYPT_REQ_VERSION"], [Requested gcrypt version])
118 AC_DEFUN([CONFIGURE_OPENSSL], [
119 PKG_CHECK_MODULES([OPENSSL], [openssl >= 0.9.8],,
120 AC_MSG_ERROR([You need openssl library.]))
121 CRYPTO_CFLAGS=$OPENSSL_CFLAGS
122 CRYPTO_LIBS=$OPENSSL_LIBS
124 if test x$enable_static_cryptsetup = xyes; then
125 saved_PKG_CONFIG=$PKG_CONFIG
126 PKG_CONFIG="$PKG_CONFIG --static"
127 PKG_CHECK_MODULES([OPENSSL], [openssl])
128 CRYPTO_STATIC_LIBS=$OPENSSL_LIBS
129 PKG_CONFIG=$saved_PKG_CONFIG
134 AC_DEFUN([CONFIGURE_NSS], [
135 if test x$enable_static_cryptsetup = xyes; then
136 AC_MSG_ERROR([Static build of cryptsetup is not supported with NSS.])
139 AC_MSG_WARN([NSS backend does NOT provide backward compatibility (missing ripemd160 hash).])
141 PKG_CHECK_MODULES([NSS], [nss],,
142 AC_MSG_ERROR([You need nss library.]))
145 CFLAGS="$CFLAGS $NSS_CFLAGS"
146 AC_CHECK_DECLS([NSS_GetVersion], [], [], [#include <nss.h>])
149 CRYPTO_CFLAGS=$NSS_CFLAGS
150 CRYPTO_LIBS=$NSS_LIBS
154 AC_DEFUN([CONFIGURE_KERNEL], [
155 AC_CHECK_HEADERS(linux/if_alg.h,,
156 [AC_MSG_ERROR([You need Linux kernel with userspace crypto interface.])])
157 # AC_CHECK_DECLS([AF_ALG],,
158 # [AC_MSG_ERROR([You need Linux kernel with userspace crypto interface.])],
159 # [#include <sys/socket.h>])
163 AC_DEFUN([CONFIGURE_NETTLE], [
164 AC_CHECK_HEADERS(nettle/sha.h,,
165 [AC_MSG_ERROR([You need Nettle cryptographic library.])])
168 AC_CHECK_LIB(nettle, nettle_ripemd160_init,,
169 [AC_MSG_ERROR([You need Nettle library version 2.4 or more recent.])])
173 CRYPTO_STATIC_LIBS=$CRYPTO_LIBS
177 dnl ==========================================================================
180 AC_ARG_ENABLE([static-cryptsetup],
181 AS_HELP_STRING([--enable-static-cryptsetup],
182 [enable build of static cryptsetup binary]))
183 if test x$enable_static_cryptsetup = xyes; then
184 if test x$enable_static = xno; then
185 AC_MSG_WARN([Requested static cryptsetup build, enabling static library.])
189 AM_CONDITIONAL(STATIC_TOOLS, test x$enable_static_cryptsetup = xyes)
191 AC_ARG_ENABLE(veritysetup,
192 AS_HELP_STRING([--disable-veritysetup],
193 [disable veritysetup support]),[], [enable_veritysetup=yes])
194 AM_CONDITIONAL(VERITYSETUP, test x$enable_veritysetup = xyes)
196 AC_ARG_ENABLE([cryptsetup-reencrypt],
197 AS_HELP_STRING([--enable-cryptsetup-reencrypt],
198 [enable cryptsetup-reencrypt tool]))
199 AM_CONDITIONAL(REENCRYPT, test x$enable_cryptsetup_reencrypt = xyes)
201 AC_ARG_ENABLE(selinux,
202 AS_HELP_STRING([--disable-selinux],
203 [disable selinux support [default=auto]]),[], [])
205 AC_ARG_ENABLE([udev],
206 AS_HELP_STRING([--disable-udev],
207 [disable udev support]),[], enable_udev=yes)
209 dnl Try to use pkg-config for devmapper, but fallback to old detection
210 PKG_CHECK_MODULES([DEVMAPPER], [devmapper >= 1.02.03],, [
211 AC_CHECK_LIB(devmapper, dm_task_set_name,,
212 [AC_MSG_ERROR([You need the device-mapper library.])])
213 AC_CHECK_LIB(devmapper, dm_task_set_message,,
214 [AC_MSG_ERROR([The device-mapper library on your system is too old.])])
219 LIBS="$LIBS $DEVMAPPER_LIBS"
220 AC_CHECK_DECLS([dm_task_secure_data], [], [], [#include <libdevmapper.h>])
221 AC_CHECK_DECLS([dm_task_retry_remove], [], [], [#include <libdevmapper.h>])
222 AC_CHECK_DECLS([DM_UDEV_DISABLE_DISK_RULES_FLAG], [have_cookie=yes], [have_cookie=no], [#include <libdevmapper.h>])
223 if test "x$enable_udev" = xyes; then
224 if test "x$have_cookie" = xno; then
225 AC_MSG_WARN([The device-mapper library on your system has no udev support, udev support disabled.])
227 AC_DEFINE(USE_UDEV, 1, [Try to use udev synchronisation?])
232 dnl Crypto backend configuration.
233 AC_ARG_WITH([crypto_backend],
234 AS_HELP_STRING([--with-crypto_backend=BACKEND], [crypto backend (gcrypt/openssl/nss/kernel/nettle) [gcrypt]]),
235 [], with_crypto_backend=gcrypt
237 case $with_crypto_backend in
238 gcrypt) CONFIGURE_GCRYPT([]) ;;
239 openssl) CONFIGURE_OPENSSL([]) ;;
240 nss) CONFIGURE_NSS([]) ;;
241 kernel) CONFIGURE_KERNEL([]) ;;
242 nettle) CONFIGURE_NETTLE([]) ;;
243 *) AC_MSG_ERROR([Unknown crypto backend.]) ;;
245 AM_CONDITIONAL(CRYPTO_BACKEND_GCRYPT, test $with_crypto_backend = gcrypt)
246 AM_CONDITIONAL(CRYPTO_BACKEND_OPENSSL, test $with_crypto_backend = openssl)
247 AM_CONDITIONAL(CRYPTO_BACKEND_NSS, test $with_crypto_backend = nss)
248 AM_CONDITIONAL(CRYPTO_BACKEND_KERNEL, test $with_crypto_backend = kernel)
249 AM_CONDITIONAL(CRYPTO_BACKEND_NETTLE, test $with_crypto_backend = nettle)
251 dnl Magic for cryptsetup.static build.
252 if test x$enable_static_cryptsetup = xyes; then
253 saved_PKG_CONFIG=$PKG_CONFIG
254 PKG_CONFIG="$PKG_CONFIG --static"
256 LIBS="$saved_LIBS -static"
257 AC_CHECK_LIB(popt, poptGetContext,,
258 AC_MSG_ERROR([Cannot find static popt library.]))
260 dnl Try to detect needed device-mapper static libraries, try pkg-config first.
261 LIBS="$saved_LIBS -static"
262 PKG_CHECK_MODULES([DEVMAPPER_STATIC], [devmapper >= 1.02.27],,[
263 DEVMAPPER_STATIC_LIBS=$DEVMAPPER_LIBS
264 if test "x$enable_selinux" != xno; then
265 AC_CHECK_LIB(sepol, sepol_bool_set)
266 AC_CHECK_LIB(selinux, is_selinux_enabled)
267 DEVMAPPER_STATIC_LIBS="$DEVMAPPER_STATIC_LIBS $LIBS"
270 LIBS="$saved_LIBS $DEVMAPPER_STATIC_LIBS"
271 AC_CHECK_LIB(devmapper, dm_task_set_uuid,,
272 AC_MSG_ERROR([Cannot link with static device-mapper library.]))
274 dnl Try to detect uuid static library.
275 LIBS="$saved_LIBS -static"
276 AC_CHECK_LIB(uuid, uuid_generate,,
277 AC_MSG_ERROR([Cannot find static uuid library.]))
280 PKG_CONFIG=$saved_PKG_CONFIG
283 AC_SUBST([DEVMAPPER_LIBS])
284 AC_SUBST([DEVMAPPER_STATIC_LIBS])
286 AC_SUBST([CRYPTO_CFLAGS])
287 AC_SUBST([CRYPTO_LIBS])
288 AC_SUBST([CRYPTO_STATIC_LIBS])
290 AC_SUBST([LIBCRYPTSETUP_VERSION])
291 AC_SUBST([LIBCRYPTSETUP_VERSION_INFO])
293 dnl ==========================================================================
294 AC_ARG_ENABLE([dev-random], AS_HELP_STRING([--enable-dev-random],
295 [use blocking /dev/random by default for key generator (otherwise use /dev/urandom)]),
296 [default_rng=/dev/random], [default_rng=/dev/urandom])
297 AC_DEFINE_UNQUOTED(DEFAULT_RNG, ["$default_rng"], [default RNG type for key generator])
299 dnl ==========================================================================
300 AC_DEFUN([CS_DEFINE],
301 [AC_DEFINE_UNQUOTED(DEFAULT_[]m4_translit([$1], [-a-z], [_A-Z]), [$2], [$3])
304 AC_DEFUN([CS_STR_WITH], [AC_ARG_WITH([$1],
305 [AS_HELP_STRING(--with-[$1], [default $2 [$3]])],
306 [CS_DEFINE([$1], ["$withval"], [$2])],
307 [CS_DEFINE([$1], ["$3"], [$2])]
310 AC_DEFUN([CS_NUM_WITH], [AC_ARG_WITH([$1],
311 [AS_HELP_STRING(--with-[$1], [default $2 [$3]])],
312 [CS_DEFINE([$1], [$withval], [$2])],
313 [CS_DEFINE([$1], [$3], [$2])]
316 dnl ==========================================================================
318 AC_ARG_ENABLE([python], AS_HELP_STRING([--enable-python],[enable Python bindings]),
319 [with_python=$enableval],
322 if test "x$with_python" = "xyes"; then
323 AM_PATH_PYTHON([2.4])
325 if ! test -x "$PYTHON-config" ; then
326 AC_MSG_ERROR([Cannot find python development packages to build bindings])
329 PYTHON_INCLUDES=$($PYTHON-config --includes)
330 AC_SUBST(PYTHON_INCLUDES)
332 AM_CONDITIONAL([PYTHON_CRYPTSETUP], [test "x$with_python" = "xyes"])
334 dnl ==========================================================================
335 CS_STR_WITH([plain-hash], [password hashing function for plain mode], [ripemd160])
336 CS_STR_WITH([plain-cipher], [cipher for plain mode], [aes])
337 CS_STR_WITH([plain-mode], [cipher mode for plain mode], [cbc-essiv:sha256])
338 CS_NUM_WITH([plain-keybits],[key length in bits for plain mode], [256])
340 CS_STR_WITH([luks1-hash], [hash function for LUKS1 header], [sha1])
341 CS_STR_WITH([luks1-cipher], [cipher for LUKS1], [aes])
342 CS_STR_WITH([luks1-mode], [cipher mode for LUKS1], [cbc-essiv:sha256])
343 CS_NUM_WITH([luks1-keybits],[key length in bits for LUKS1], [256])
345 CS_STR_WITH([loopaes-cipher], [cipher for loop-AES mode], [aes])
346 CS_NUM_WITH([loopaes-keybits],[key length in bits for loop-AES mode], [256])
348 CS_NUM_WITH([keyfile-size-maxkb],[maximum keyfile size (in kilobytes)], [8192])
349 CS_NUM_WITH([passphrase-size-max],[maximum keyfile size (in kilobytes)], [512])
351 CS_STR_WITH([verity-hash], [hash function for verity mode], [sha256])
352 CS_NUM_WITH([verity-data-block], [data block size for verity mode], [4096])
353 CS_NUM_WITH([verity-hash-block], [hash block size for verity mode], [4096])
354 CS_NUM_WITH([verity-salt-size], [salt size for verity mode], [32])
356 dnl ==========================================================================
358 AC_CONFIG_FILES([ Makefile
361 lib/crypto_backend/Makefile