2 AC_INIT([cryptsetup],[1.6.1-git])
4 dnl library version from <major>.<minor>.<release>[-<suffix>]
5 LIBCRYPTSETUP_VERSION=$(echo $PACKAGE_VERSION | cut -f1 -d-)
6 LIBCRYPTSETUP_VERSION_INFO=9:0:5
7 dnl library file name for FIPS selfcheck
8 LIBCRYPTSETUP_VERSION_FIPS="libcryptsetup.so.4"
10 AC_CONFIG_SRCDIR(src/cryptsetup.c)
11 AC_CONFIG_MACRO_DIR([m4])
13 AC_CONFIG_HEADERS([config.h:config.h.in])
14 AM_INIT_AUTOMAKE(dist-bzip2)
16 if test "x$prefix" = "xNONE"; then
19 AC_PREFIX_DEFAULT(/usr)
22 AC_USE_SYSTEM_EXTENSIONS
34 AC_CHECK_HEADERS(fcntl.h malloc.h inttypes.h sys/ioctl.h sys/mman.h \
35 ctype.h unistd.h locale.h)
37 AC_CHECK_HEADERS(uuid/uuid.h,,[AC_MSG_ERROR([You need the uuid library.])])
38 AC_CHECK_HEADER(libdevmapper.h,,[AC_MSG_ERROR([You need the device-mapper library.])])
41 AC_CHECK_LIB(uuid, uuid_clear, ,[AC_MSG_ERROR([You need the uuid library.])])
42 AC_SUBST(UUID_LIBS, $LIBS)
45 AC_CHECK_FUNCS([posix_memalign])
52 AC_PROG_GCC_TRADITIONAL
54 dnl ==========================================================================
56 AM_GNU_GETTEXT([external],[need-ngettext])
57 AM_GNU_GETTEXT_VERSION([0.15])
59 dnl ==========================================================================
62 AC_CHECK_LIB(popt, poptConfigFileToString,,
63 [AC_MSG_ERROR([You need popt 1.7 or newer to compile.])])
64 AC_SUBST(POPT_LIBS, $LIBS)
67 dnl ==========================================================================
69 AC_ARG_ENABLE([fips], AS_HELP_STRING([--enable-fips],[enable FIPS mode restrictions]),
70 [with_fips=$enableval],
73 if test "x$with_fips" = "xyes"; then
74 AC_DEFINE(ENABLE_FIPS, 1, [Enable FIPS mode restrictions])
75 AC_DEFINE_UNQUOTED(LIBCRYPTSETUP_VERSION_FIPS, ["$LIBCRYPTSETUP_VERSION_FIPS"],
76 [library file name for FIPS selfcheck])
78 if test "x$enable_static" = "xyes" -o "x$enable_static_cryptsetup" = "xyes" ; then
79 AC_MSG_ERROR([Static build is not compatible with FIPS.])
83 AC_CHECK_LIB(fipscheck, FIPSCHECK_verify, ,[AC_MSG_ERROR([You need the fipscheck library.])])
84 AC_SUBST(FIPSCHECK_LIBS, $LIBS)
90 if test "x$with_fips" = "xyes"; then
91 AC_MSG_ERROR([This option is not compatible with FIPS.])
95 dnl ==========================================================================
96 dnl pwquality library (cryptsetup CLI only)
97 AC_ARG_ENABLE([pwquality], AS_HELP_STRING([--enable-pwquality],[enable password quality checking]),
98 [with_pwquality=$enableval],
101 if test "x$with_pwquality" = "xyes"; then
102 AC_DEFINE(ENABLE_PWQUALITY, 1, [Enable password quality checking])
103 PKG_CHECK_MODULES([PWQUALITY], [pwquality >= 1.0.0],,
104 AC_MSG_ERROR([You need pwquality library.]))
106 dnl FIXME: this is really hack for now
107 PWQUALITY_STATIC_LIBS="$PWQUALITY_LIBS -lcrack -lz"
110 dnl ==========================================================================
111 dnl Crypto backend functions
113 AC_DEFUN([CONFIGURE_GCRYPT], [
114 if test "x$with_fips" = "xyes"; then
115 GCRYPT_REQ_VERSION=1.4.5
117 GCRYPT_REQ_VERSION=1.1.42
119 dnl Check if we can use gcrypt PBKDF2 (1.6.0 supports empty password)
120 AC_ARG_ENABLE([gcrypt-pbkdf2], AS_HELP_STRING([--enable-gcrypt-pbkdf2],[force enable internal gcrypt PBKDF2]),
121 [use_internal_pbkdf2=0],
122 [AM_PATH_LIBGCRYPT([1.6.0], [use_internal_pbkdf2=0], [use_internal_pbkdf2=1])])
123 AM_PATH_LIBGCRYPT($GCRYPT_REQ_VERSION,,[AC_MSG_ERROR([You need the gcrypt library.])])
125 if test x$enable_static_cryptsetup = xyes; then
127 LIBS="$saved_LIBS $LIBGCRYPT_LIBS -static"
128 AC_CHECK_LIB(gcrypt, gcry_check_version,,
129 AC_MSG_ERROR([Cannot find static gcrypt library.]),
131 LIBGCRYPT_STATIC_LIBS="$LIBGCRYPT_LIBS -lgpg-error"
135 CRYPTO_CFLAGS=$LIBGCRYPT_CFLAGS
136 CRYPTO_LIBS=$LIBGCRYPT_LIBS
137 CRYPTO_STATIC_LIBS=$LIBGCRYPT_STATIC_LIBS
139 AC_DEFINE_UNQUOTED(GCRYPT_REQ_VERSION, ["$GCRYPT_REQ_VERSION"], [Requested gcrypt version])
142 AC_DEFUN([CONFIGURE_OPENSSL], [
143 PKG_CHECK_MODULES([OPENSSL], [openssl >= 0.9.8],,
144 AC_MSG_ERROR([You need openssl library.]))
145 CRYPTO_CFLAGS=$OPENSSL_CFLAGS
146 CRYPTO_LIBS=$OPENSSL_LIBS
147 use_internal_pbkdf2=0
149 if test x$enable_static_cryptsetup = xyes; then
150 saved_PKG_CONFIG=$PKG_CONFIG
151 PKG_CONFIG="$PKG_CONFIG --static"
152 PKG_CHECK_MODULES([OPENSSL], [openssl])
153 CRYPTO_STATIC_LIBS=$OPENSSL_LIBS
154 PKG_CONFIG=$saved_PKG_CONFIG
159 AC_DEFUN([CONFIGURE_NSS], [
160 if test x$enable_static_cryptsetup = xyes; then
161 AC_MSG_ERROR([Static build of cryptsetup is not supported with NSS.])
164 AC_MSG_WARN([NSS backend does NOT provide backward compatibility (missing ripemd160 hash).])
166 PKG_CHECK_MODULES([NSS], [nss],,
167 AC_MSG_ERROR([You need nss library.]))
170 CFLAGS="$CFLAGS $NSS_CFLAGS"
171 AC_CHECK_DECLS([NSS_GetVersion], [], [], [#include <nss.h>])
174 CRYPTO_CFLAGS=$NSS_CFLAGS
175 CRYPTO_LIBS=$NSS_LIBS
176 use_internal_pbkdf2=1
180 AC_DEFUN([CONFIGURE_KERNEL], [
181 AC_CHECK_HEADERS(linux/if_alg.h,,
182 [AC_MSG_ERROR([You need Linux kernel headers with userspace crypto interface.])])
183 # AC_CHECK_DECLS([AF_ALG],,
184 # [AC_MSG_ERROR([You need Linux kernel with userspace crypto interface.])],
185 # [#include <sys/socket.h>])
186 use_internal_pbkdf2=1
190 AC_DEFUN([CONFIGURE_NETTLE], [
191 AC_CHECK_HEADERS(nettle/sha.h,,
192 [AC_MSG_ERROR([You need Nettle cryptographic library.])])
195 AC_CHECK_LIB(nettle, nettle_ripemd160_init,,
196 [AC_MSG_ERROR([You need Nettle library version 2.4 or more recent.])])
200 CRYPTO_STATIC_LIBS=$CRYPTO_LIBS
201 use_internal_pbkdf2=1
205 dnl ==========================================================================
208 AC_ARG_ENABLE([static-cryptsetup],
209 AS_HELP_STRING([--enable-static-cryptsetup],
210 [enable build of static cryptsetup binary]))
211 if test x$enable_static_cryptsetup = xyes; then
212 if test x$enable_static = xno; then
213 AC_MSG_WARN([Requested static cryptsetup build, enabling static library.])
217 AM_CONDITIONAL(STATIC_TOOLS, test x$enable_static_cryptsetup = xyes)
219 AC_ARG_ENABLE(veritysetup,
220 AS_HELP_STRING([--disable-veritysetup],
221 [disable veritysetup support]),[], [enable_veritysetup=yes])
222 AM_CONDITIONAL(VERITYSETUP, test x$enable_veritysetup = xyes)
224 AC_ARG_ENABLE([cryptsetup-reencrypt],
225 AS_HELP_STRING([--enable-cryptsetup-reencrypt],
226 [enable cryptsetup-reencrypt tool]))
227 AM_CONDITIONAL(REENCRYPT, test x$enable_cryptsetup_reencrypt = xyes)
229 AC_ARG_ENABLE(selinux,
230 AS_HELP_STRING([--disable-selinux],
231 [disable selinux support [default=auto]]),[], [])
233 AC_ARG_ENABLE([udev],
234 AS_HELP_STRING([--disable-udev],
235 [disable udev support]),[], enable_udev=yes)
237 dnl Try to use pkg-config for devmapper, but fallback to old detection
238 PKG_CHECK_MODULES([DEVMAPPER], [devmapper >= 1.02.03],, [
239 AC_CHECK_LIB(devmapper, dm_task_set_name,,
240 [AC_MSG_ERROR([You need the device-mapper library.])])
241 AC_CHECK_LIB(devmapper, dm_task_set_message,,
242 [AC_MSG_ERROR([The device-mapper library on your system is too old.])])
247 LIBS="$LIBS $DEVMAPPER_LIBS"
248 AC_CHECK_DECLS([dm_task_secure_data], [], [], [#include <libdevmapper.h>])
249 AC_CHECK_DECLS([dm_task_retry_remove], [], [], [#include <libdevmapper.h>])
250 AC_CHECK_DECLS([DM_UDEV_DISABLE_DISK_RULES_FLAG], [have_cookie=yes], [have_cookie=no], [#include <libdevmapper.h>])
251 if test "x$enable_udev" = xyes; then
252 if test "x$have_cookie" = xno; then
253 AC_MSG_WARN([The device-mapper library on your system has no udev support, udev support disabled.])
255 AC_DEFINE(USE_UDEV, 1, [Try to use udev synchronisation?])
260 dnl Crypto backend configuration.
261 AC_ARG_WITH([crypto_backend],
262 AS_HELP_STRING([--with-crypto_backend=BACKEND], [crypto backend (gcrypt/openssl/nss/kernel/nettle) [gcrypt]]),
263 [], with_crypto_backend=gcrypt
266 dnl Kernel crypto API backend needed for benchmark and tcrypt
267 AC_ARG_ENABLE([kernel_crypto], AS_HELP_STRING([--disable-kernel_crypto],
268 [disable kernel userspace crypto (no benchmark and tcrypt)]),
269 [with_kernel_crypto=$enableval],
270 [with_kernel_crypto=yes])
272 if test "x$with_kernel_crypto" = "xyes"; then
273 AC_CHECK_HEADERS(linux/if_alg.h,,
274 [AC_MSG_ERROR([You need Linux kernel headers with userspace crypto interface. (Or use --disable-kernel_crypto.)])])
275 AC_DEFINE(ENABLE_AF_ALG, 1, [Enable using of kernel userspace crypto])
278 case $with_crypto_backend in
279 gcrypt) CONFIGURE_GCRYPT([]) ;;
280 openssl) CONFIGURE_OPENSSL([]) ;;
281 nss) CONFIGURE_NSS([]) ;;
282 kernel) CONFIGURE_KERNEL([]) ;;
283 nettle) CONFIGURE_NETTLE([]) ;;
284 *) AC_MSG_ERROR([Unknown crypto backend.]) ;;
286 AM_CONDITIONAL(CRYPTO_BACKEND_GCRYPT, test $with_crypto_backend = gcrypt)
287 AM_CONDITIONAL(CRYPTO_BACKEND_OPENSSL, test $with_crypto_backend = openssl)
288 AM_CONDITIONAL(CRYPTO_BACKEND_NSS, test $with_crypto_backend = nss)
289 AM_CONDITIONAL(CRYPTO_BACKEND_KERNEL, test $with_crypto_backend = kernel)
290 AM_CONDITIONAL(CRYPTO_BACKEND_NETTLE, test $with_crypto_backend = nettle)
292 AM_CONDITIONAL(CRYPTO_INTERNAL_PBKDF2, test $use_internal_pbkdf2 = 1)
293 AC_DEFINE_UNQUOTED(USE_INTERNAL_PBKDF2, [$use_internal_pbkdf2], [Use internal PBKDF2])
295 dnl Magic for cryptsetup.static build.
296 if test x$enable_static_cryptsetup = xyes; then
297 saved_PKG_CONFIG=$PKG_CONFIG
298 PKG_CONFIG="$PKG_CONFIG --static"
300 LIBS="$saved_LIBS -static"
301 AC_CHECK_LIB(popt, poptGetContext,,
302 AC_MSG_ERROR([Cannot find static popt library.]))
304 dnl Try to detect needed device-mapper static libraries, try pkg-config first.
305 LIBS="$saved_LIBS -static"
306 PKG_CHECK_MODULES([DEVMAPPER_STATIC], [devmapper >= 1.02.27],,[
307 DEVMAPPER_STATIC_LIBS=$DEVMAPPER_LIBS
308 if test "x$enable_selinux" != xno; then
309 AC_CHECK_LIB(sepol, sepol_bool_set)
310 AC_CHECK_LIB(selinux, is_selinux_enabled)
311 DEVMAPPER_STATIC_LIBS="$DEVMAPPER_STATIC_LIBS $LIBS"
314 LIBS="$saved_LIBS $DEVMAPPER_STATIC_LIBS"
315 AC_CHECK_LIB(devmapper, dm_task_set_uuid,,
316 AC_MSG_ERROR([Cannot link with static device-mapper library.]))
318 dnl Try to detect uuid static library.
319 LIBS="$saved_LIBS -static"
320 AC_CHECK_LIB(uuid, uuid_generate,,
321 AC_MSG_ERROR([Cannot find static uuid library.]))
324 PKG_CONFIG=$saved_PKG_CONFIG
327 AC_SUBST([DEVMAPPER_LIBS])
328 AC_SUBST([DEVMAPPER_STATIC_LIBS])
330 AC_SUBST([PWQUALITY_LIBS])
331 AC_SUBST([PWQUALITY_STATIC_LIBS])
333 AC_SUBST([CRYPTO_CFLAGS])
334 AC_SUBST([CRYPTO_LIBS])
335 AC_SUBST([CRYPTO_STATIC_LIBS])
337 AC_SUBST([LIBCRYPTSETUP_VERSION])
338 AC_SUBST([LIBCRYPTSETUP_VERSION_INFO])
339 AC_SUBST([LIBCRYPTSETUP_VERSION_FIPS])
341 dnl ==========================================================================
342 AC_ARG_ENABLE([dev-random], AS_HELP_STRING([--enable-dev-random],
343 [use blocking /dev/random by default for key generator (otherwise use /dev/urandom)]),
344 [default_rng=/dev/random], [default_rng=/dev/urandom])
345 AC_DEFINE_UNQUOTED(DEFAULT_RNG, ["$default_rng"], [default RNG type for key generator])
347 dnl ==========================================================================
348 AC_DEFUN([CS_DEFINE],
349 [AC_DEFINE_UNQUOTED(DEFAULT_[]m4_translit([$1], [-a-z], [_A-Z]), [$2], [$3])
352 AC_DEFUN([CS_STR_WITH], [AC_ARG_WITH([$1],
353 [AS_HELP_STRING(--with-[$1], [default $2 [$3]])],
354 [CS_DEFINE([$1], ["$withval"], [$2])],
355 [CS_DEFINE([$1], ["$3"], [$2])]
358 AC_DEFUN([CS_NUM_WITH], [AC_ARG_WITH([$1],
359 [AS_HELP_STRING(--with-[$1], [default $2 [$3]])],
360 [CS_DEFINE([$1], [$withval], [$2])],
361 [CS_DEFINE([$1], [$3], [$2])]
364 dnl ==========================================================================
366 AC_ARG_ENABLE([python], AS_HELP_STRING([--enable-python],[enable Python bindings]),
367 [with_python=$enableval],
370 if test "x$with_python" = "xyes"; then
371 AM_PATH_PYTHON([2.4])
373 if ! test -x "$PYTHON-config" ; then
374 AC_MSG_ERROR([Cannot find python development packages to build bindings])
377 PYTHON_INCLUDES=$($PYTHON-config --includes)
378 AC_SUBST(PYTHON_INCLUDES)
380 AM_CONDITIONAL([PYTHON_CRYPTSETUP], [test "x$with_python" = "xyes"])
382 dnl ==========================================================================
383 CS_STR_WITH([plain-hash], [password hashing function for plain mode], [ripemd160])
384 CS_STR_WITH([plain-cipher], [cipher for plain mode], [aes])
385 CS_STR_WITH([plain-mode], [cipher mode for plain mode], [cbc-essiv:sha256])
386 CS_NUM_WITH([plain-keybits],[key length in bits for plain mode], [256])
388 CS_STR_WITH([luks1-hash], [hash function for LUKS1 header], [sha1])
389 CS_STR_WITH([luks1-cipher], [cipher for LUKS1], [aes])
390 CS_STR_WITH([luks1-mode], [cipher mode for LUKS1], [xts-plain64])
391 CS_NUM_WITH([luks1-keybits],[key length in bits for LUKS1], [256])
392 CS_NUM_WITH([luks1-iter-time],[PBKDF2 iteration time for LUKS1 (in ms)], [1000])
394 CS_STR_WITH([loopaes-cipher], [cipher for loop-AES mode], [aes])
395 CS_NUM_WITH([loopaes-keybits],[key length in bits for loop-AES mode], [256])
397 CS_NUM_WITH([keyfile-size-maxkb],[maximum keyfile size (in KiB)], [8192])
398 CS_NUM_WITH([passphrase-size-max],[maximum keyfile size (in characters)], [512])
400 CS_STR_WITH([verity-hash], [hash function for verity mode], [sha256])
401 CS_NUM_WITH([verity-data-block], [data block size for verity mode], [4096])
402 CS_NUM_WITH([verity-hash-block], [hash block size for verity mode], [4096])
403 CS_NUM_WITH([verity-salt-size], [salt size for verity mode], [32])
405 dnl ==========================================================================
407 AC_CONFIG_FILES([ Makefile
410 lib/crypto_backend/Makefile