configure.ac

   1 AC_PREREQ([2.67])
   2 AC_INIT([cryptsetup],[1.6.0-rc1])
   3
   4 dnl library version from <major>.<minor>.<release>[-<suffix>]
   5 LIBCRYPTSETUP_VERSION=$(echo $PACKAGE_VERSION | cut -f1 -d-)
   6 LIBCRYPTSETUP_VERSION_INFO=9:0:5
   7 dnl library file name for FIPS selfcheck
   8 LIBCRYPTSETUP_VERSION_FIPS="libcryptsetup.so.4"
   9
  10 AC_CONFIG_SRCDIR(src/cryptsetup.c)
  11 AC_CONFIG_MACRO_DIR([m4])
  12
  13 AC_CONFIG_HEADERS([config.h:config.h.in])
  14 AM_INIT_AUTOMAKE(dist-bzip2)
  15
  16 if test "x$prefix" = "xNONE"; then
  17         sysconfdir=/etc
  18 fi
  19 AC_PREFIX_DEFAULT(/usr)
  20
  21 AC_CANONICAL_HOST
  22 AC_USE_SYSTEM_EXTENSIONS
  23 AC_PROG_CC
  24 AM_PROG_CC_C_O
  25 AC_PROG_CPP
  26 AC_PROG_INSTALL
  27 AC_PROG_MAKE_SET
  28 AC_ENABLE_STATIC(no)
  29 LT_INIT
  30
  31 AC_HEADER_DIRENT
  32 AC_HEADER_STDC
  33 AC_CHECK_HEADERS(fcntl.h malloc.h inttypes.h sys/ioctl.h sys/mman.h \
  34         ctype.h unistd.h locale.h)
  35
  36 AC_CHECK_HEADERS(uuid/uuid.h,,[AC_MSG_ERROR([You need the uuid library.])])
  37 AC_CHECK_HEADER(libdevmapper.h,,[AC_MSG_ERROR([You need the device-mapper library.])])
  38
  39 saved_LIBS=$LIBS
  40 AC_CHECK_LIB(uuid, uuid_clear, ,[AC_MSG_ERROR([You need the uuid library.])])
  41 AC_SUBST(UUID_LIBS, $LIBS)
  42 LIBS=$saved_LIBS
  43
  44 AC_CHECK_FUNCS([posix_memalign])
  45
  46 AC_C_CONST
  47 AC_C_BIGENDIAN
  48 AC_TYPE_OFF_T
  49 AC_SYS_LARGEFILE
  50
  51 AC_PROG_GCC_TRADITIONAL
  52
  53 dnl ==========================================================================
  54
  55 AM_GNU_GETTEXT([external],[need-ngettext])
  56 AM_GNU_GETTEXT_VERSION([0.15])
  57
  58 dnl ==========================================================================
  59
  60 saved_LIBS=$LIBS
  61 AC_CHECK_LIB(popt, poptConfigFileToString,,
  62         [AC_MSG_ERROR([You need popt 1.7 or newer to compile.])])
  63 AC_SUBST(POPT_LIBS, $LIBS)
  64 LIBS=$saved_LIBS
  65
  66 dnl ==========================================================================
  67 dnl FIPS extensions
  68 AC_ARG_ENABLE([fips], AS_HELP_STRING([--enable-fips],[enable FIPS mode restrictions]),
  69 [with_fips=$enableval],
  70 [with_fips=no])
  71
  72 if test "x$with_fips" = "xyes"; then
  73         AC_DEFINE(ENABLE_FIPS, 1, [Enable FIPS mode restrictions])
  74         AC_DEFINE_UNQUOTED(LIBCRYPTSETUP_VERSION_FIPS, ["$LIBCRYPTSETUP_VERSION_FIPS"],
  75                 [library file name for FIPS selfcheck])
  76
  77         if test "x$enable_static" = "xyes" -o "x$enable_static_cryptsetup" = "xyes" ; then
  78                 AC_MSG_ERROR([Static build is not compatible with FIPS.])
  79         fi
  80
  81         saved_LIBS=$LIBS
  82         AC_CHECK_LIB(fipscheck, FIPSCHECK_verify, ,[AC_MSG_ERROR([You need the fipscheck library.])])
  83         AC_SUBST(FIPSCHECK_LIBS, $LIBS)
  84         LIBS=$saved_LIBS
  85
  86 fi
  87
  88 AC_DEFUN([NO_FIPS], [
  89         if test "x$with_fips" = "xyes"; then
  90                 AC_MSG_ERROR([This option is not compatible with FIPS.])
  91         fi
  92 ])
  93
  94 dnl ==========================================================================
  95 dnl pwquality library (cryptsetup CLI only)
  96 AC_ARG_ENABLE([pwquality], AS_HELP_STRING([--enable-pwquality],[enable password quality checking]),
  97 [with_pwquality=$enableval],
  98 [with_pwquality=no])
  99
 100 if test "x$with_pwquality" = "xyes"; then
 101         AC_DEFINE(ENABLE_PWQUALITY, 1, [Enable password quality checking])
 102         PKG_CHECK_MODULES([PWQUALITY], [pwquality >= 1.0.0],,
 103                 AC_MSG_ERROR([You need pwquality library.]))
 104
 105         dnl FIXME: this is really hack for now
 106         PWQUALITY_STATIC_LIBS="$PWQUALITY_LIBS -lcrack -lz"
 107 fi
 108
 109 dnl ==========================================================================
 110 dnl Crypto backend functions
 111
 112 AC_DEFUN([CONFIGURE_GCRYPT], [
 113         if test "x$with_fips" = "xyes"; then
 114                 GCRYPT_REQ_VERSION=1.4.5
 115         else
 116                 GCRYPT_REQ_VERSION=1.1.42
 117         fi
 118         AM_PATH_LIBGCRYPT($GCRYPT_REQ_VERSION,,[AC_MSG_ERROR([You need the gcrypt library.])])
 119
 120         if test x$enable_static_cryptsetup = xyes; then
 121                 saved_LIBS=$LIBS
 122                 LIBS="$saved_LIBS $LIBGCRYPT_LIBS -static"
 123                 AC_CHECK_LIB(gcrypt, gcry_check_version,,
 124                         AC_MSG_ERROR([Cannot find static gcrypt library.]),
 125                         [-lgpg-error])
 126                 LIBGCRYPT_STATIC_LIBS="$LIBGCRYPT_LIBS -lgpg-error"
 127                 LIBS=$saved_LIBS
 128         fi
 129
 130         CRYPTO_CFLAGS=$LIBGCRYPT_CFLAGS
 131         CRYPTO_LIBS=$LIBGCRYPT_LIBS
 132         CRYPTO_STATIC_LIBS=$LIBGCRYPT_STATIC_LIBS
 133
 134         AC_DEFINE_UNQUOTED(GCRYPT_REQ_VERSION, ["$GCRYPT_REQ_VERSION"], [Requested gcrypt version])
 135 ])
 136
 137 AC_DEFUN([CONFIGURE_OPENSSL], [
 138         PKG_CHECK_MODULES([OPENSSL], [openssl >= 0.9.8],,
 139                 AC_MSG_ERROR([You need openssl library.]))
 140         CRYPTO_CFLAGS=$OPENSSL_CFLAGS
 141         CRYPTO_LIBS=$OPENSSL_LIBS
 142
 143         if test x$enable_static_cryptsetup = xyes; then
 144                 saved_PKG_CONFIG=$PKG_CONFIG
 145                 PKG_CONFIG="$PKG_CONFIG --static"
 146                 PKG_CHECK_MODULES([OPENSSL], [openssl])
 147                 CRYPTO_STATIC_LIBS=$OPENSSL_LIBS
 148                 PKG_CONFIG=$saved_PKG_CONFIG
 149         fi
 150         NO_FIPS([])
 151 ])
 152
 153 AC_DEFUN([CONFIGURE_NSS], [
 154         if test x$enable_static_cryptsetup = xyes; then
 155                 AC_MSG_ERROR([Static build of cryptsetup is not supported with NSS.])
 156         fi
 157
 158         AC_MSG_WARN([NSS backend does NOT provide backward compatibility (missing ripemd160 hash).])
 159
 160         PKG_CHECK_MODULES([NSS], [nss],,
 161                 AC_MSG_ERROR([You need nss library.]))
 162
 163         saved_CFLAGS=$CFLAGS
 164         CFLAGS="$CFLAGS $NSS_CFLAGS"
 165         AC_CHECK_DECLS([NSS_GetVersion], [], [], [#include <nss.h>])
 166         CFLAGS=$saved_CFLAGS
 167
 168         CRYPTO_CFLAGS=$NSS_CFLAGS
 169         CRYPTO_LIBS=$NSS_LIBS
 170         NO_FIPS([])
 171 ])
 172
 173 AC_DEFUN([CONFIGURE_KERNEL], [
 174         AC_CHECK_HEADERS(linux/if_alg.h,,
 175                 [AC_MSG_ERROR([You need Linux kernel headers with userspace crypto interface.])])
 176 #       AC_CHECK_DECLS([AF_ALG],,
 177 #               [AC_MSG_ERROR([You need Linux kernel with userspace crypto interface.])],
 178 #               [#include <sys/socket.h>])
 179         NO_FIPS([])
 180 ])
 181
 182 AC_DEFUN([CONFIGURE_NETTLE], [
 183         AC_CHECK_HEADERS(nettle/sha.h,,
 184                 [AC_MSG_ERROR([You need Nettle cryptographic library.])])
 185
 186         saved_LIBS=$LIBS
 187         AC_CHECK_LIB(nettle, nettle_ripemd160_init,,
 188                 [AC_MSG_ERROR([You need Nettle library version 2.4 or more recent.])])
 189         CRYPTO_LIBS=$LIBS
 190         LIBS=$saved_LIBS
 191
 192         CRYPTO_STATIC_LIBS=$CRYPTO_LIBS
 193         NO_FIPS([])
 194 ])
 195
 196 dnl ==========================================================================
 197 saved_LIBS=$LIBS
 198
 199 AC_ARG_ENABLE([static-cryptsetup],
 200         AS_HELP_STRING([--enable-static-cryptsetup],
 201         [enable build of static cryptsetup binary]))
 202 if test x$enable_static_cryptsetup = xyes; then
 203         if test x$enable_static = xno; then
 204                 AC_MSG_WARN([Requested static cryptsetup build, enabling static library.])
 205                 enable_static=yes
 206         fi
 207 fi
 208 AM_CONDITIONAL(STATIC_TOOLS, test x$enable_static_cryptsetup = xyes)
 209
 210 AC_ARG_ENABLE(veritysetup,
 211         AS_HELP_STRING([--disable-veritysetup],
 212         [disable veritysetup support]),[], [enable_veritysetup=yes])
 213 AM_CONDITIONAL(VERITYSETUP, test x$enable_veritysetup = xyes)
 214
 215 AC_ARG_ENABLE([cryptsetup-reencrypt],
 216         AS_HELP_STRING([--enable-cryptsetup-reencrypt],
 217         [enable cryptsetup-reencrypt tool]))
 218 AM_CONDITIONAL(REENCRYPT, test x$enable_cryptsetup_reencrypt = xyes)
 219
 220 AC_ARG_ENABLE(selinux,
 221         AS_HELP_STRING([--disable-selinux],
 222         [disable selinux support [default=auto]]),[], [])
 223
 224 AC_ARG_ENABLE([udev],
 225         AS_HELP_STRING([--disable-udev],
 226         [disable udev support]),[], enable_udev=yes)
 227
 228 dnl Try to use pkg-config for devmapper, but fallback to old detection
 229 PKG_CHECK_MODULES([DEVMAPPER], [devmapper >= 1.02.03],, [
 230         AC_CHECK_LIB(devmapper, dm_task_set_name,,
 231                 [AC_MSG_ERROR([You need the device-mapper library.])])
 232         AC_CHECK_LIB(devmapper, dm_task_set_message,,
 233                 [AC_MSG_ERROR([The device-mapper library on your system is too old.])])
 234         DEVMAPPER_LIBS=$LIBS
 235 ])
 236 LIBS=$saved_LIBS
 237
 238 LIBS="$LIBS $DEVMAPPER_LIBS"
 239 AC_CHECK_DECLS([dm_task_secure_data], [], [], [#include <libdevmapper.h>])
 240 AC_CHECK_DECLS([dm_task_retry_remove], [], [], [#include <libdevmapper.h>])
 241 AC_CHECK_DECLS([DM_UDEV_DISABLE_DISK_RULES_FLAG], [have_cookie=yes], [have_cookie=no], [#include <libdevmapper.h>])
 242 if test "x$enable_udev" = xyes; then
 243         if test "x$have_cookie" = xno; then
 244                 AC_MSG_WARN([The device-mapper library on your system has no udev support, udev support disabled.])
 245         else
 246                 AC_DEFINE(USE_UDEV, 1, [Try to use udev synchronisation?])
 247         fi
 248 fi
 249 LIBS=$saved_LIBS
 250
 251 dnl Crypto backend configuration.
 252 AC_ARG_WITH([crypto_backend],
 253         AS_HELP_STRING([--with-crypto_backend=BACKEND], [crypto backend (gcrypt/openssl/nss/kernel/nettle) [gcrypt]]),
 254         [], with_crypto_backend=gcrypt
 255 )
 256
 257 dnl Kernel crypto API backend needed for benchmark and tcrypt
 258 AC_ARG_ENABLE([kernel_crypto], AS_HELP_STRING([--disable-kernel_crypto],
 259         [disable kernel userspace crypto (no benchmark and tcrypt)]),
 260         [with_kernel_crypto=$enableval],
 261         [with_kernel_crypto=yes])
 262
 263 if test "x$with_kernel_crypto" = "xyes"; then
 264         AC_CHECK_HEADERS(linux/if_alg.h,,
 265                 [AC_MSG_ERROR([You need Linux kernel headers with userspace crypto interface. (Or use --disable-kernel_crypto.)])])
 266         AC_DEFINE(ENABLE_AF_ALG, 1, [Enable using of kernel userspace crypto])
 267 fi
 268
 269 case $with_crypto_backend in
 270         gcrypt)  CONFIGURE_GCRYPT([]) ;;
 271         openssl) CONFIGURE_OPENSSL([]) ;;
 272         nss)     CONFIGURE_NSS([]) ;;
 273         kernel)  CONFIGURE_KERNEL([]) ;;
 274         nettle)  CONFIGURE_NETTLE([]) ;;
 275         *) AC_MSG_ERROR([Unknown crypto backend.]) ;;
 276 esac
 277 AM_CONDITIONAL(CRYPTO_BACKEND_GCRYPT,  test $with_crypto_backend = gcrypt)
 278 AM_CONDITIONAL(CRYPTO_BACKEND_OPENSSL, test $with_crypto_backend = openssl)
 279 AM_CONDITIONAL(CRYPTO_BACKEND_NSS,     test $with_crypto_backend = nss)
 280 AM_CONDITIONAL(CRYPTO_BACKEND_KERNEL,  test $with_crypto_backend = kernel)
 281 AM_CONDITIONAL(CRYPTO_BACKEND_NETTLE,  test $with_crypto_backend = nettle)
 282
 283 dnl Magic for cryptsetup.static build.
 284 if test x$enable_static_cryptsetup = xyes; then
 285         saved_PKG_CONFIG=$PKG_CONFIG
 286         PKG_CONFIG="$PKG_CONFIG --static"
 287
 288         LIBS="$saved_LIBS -static"
 289         AC_CHECK_LIB(popt, poptGetContext,,
 290                 AC_MSG_ERROR([Cannot find static popt library.]))
 291
 292         dnl Try to detect needed device-mapper static libraries, try pkg-config first.
 293         LIBS="$saved_LIBS -static"
 294         PKG_CHECK_MODULES([DEVMAPPER_STATIC], [devmapper >= 1.02.27],,[
 295                 DEVMAPPER_STATIC_LIBS=$DEVMAPPER_LIBS
 296                 if test "x$enable_selinux" != xno; then
 297                         AC_CHECK_LIB(sepol, sepol_bool_set)
 298                         AC_CHECK_LIB(selinux, is_selinux_enabled)
 299                         DEVMAPPER_STATIC_LIBS="$DEVMAPPER_STATIC_LIBS $LIBS"
 300                 fi
 301         ])
 302         LIBS="$saved_LIBS $DEVMAPPER_STATIC_LIBS"
 303         AC_CHECK_LIB(devmapper, dm_task_set_uuid,,
 304                 AC_MSG_ERROR([Cannot link with static device-mapper library.]))
 305
 306         dnl Try to detect uuid static library.
 307         LIBS="$saved_LIBS -static"
 308         AC_CHECK_LIB(uuid, uuid_generate,,
 309                 AC_MSG_ERROR([Cannot find static uuid library.]))
 310
 311         LIBS=$saved_LIBS
 312         PKG_CONFIG=$saved_PKG_CONFIG
 313 fi
 314
 315 AC_SUBST([DEVMAPPER_LIBS])
 316 AC_SUBST([DEVMAPPER_STATIC_LIBS])
 317
 318 AC_SUBST([PWQUALITY_LIBS])
 319 AC_SUBST([PWQUALITY_STATIC_LIBS])
 320
 321 AC_SUBST([CRYPTO_CFLAGS])
 322 AC_SUBST([CRYPTO_LIBS])
 323 AC_SUBST([CRYPTO_STATIC_LIBS])
 324
 325 AC_SUBST([LIBCRYPTSETUP_VERSION])
 326 AC_SUBST([LIBCRYPTSETUP_VERSION_INFO])
 327 AC_SUBST([LIBCRYPTSETUP_VERSION_FIPS])
 328
 329 dnl ==========================================================================
 330 AC_ARG_ENABLE([dev-random], AS_HELP_STRING([--enable-dev-random],
 331 [use blocking /dev/random by default for key generator (otherwise use /dev/urandom)]),
 332 [default_rng=/dev/random], [default_rng=/dev/urandom])
 333 AC_DEFINE_UNQUOTED(DEFAULT_RNG, ["$default_rng"], [default RNG type for key generator])
 334
 335 dnl ==========================================================================
 336 AC_DEFUN([CS_DEFINE],
 337         [AC_DEFINE_UNQUOTED(DEFAULT_[]m4_translit([$1], [-a-z], [_A-Z]), [$2], [$3])
 338 ])
 339
 340 AC_DEFUN([CS_STR_WITH], [AC_ARG_WITH([$1],
 341         [AS_HELP_STRING(--with-[$1], [default $2 [$3]])],
 342         [CS_DEFINE([$1], ["$withval"], [$2])],
 343         [CS_DEFINE([$1], ["$3"], [$2])]
 344 )])
 345
 346 AC_DEFUN([CS_NUM_WITH], [AC_ARG_WITH([$1],
 347         [AS_HELP_STRING(--with-[$1], [default $2 [$3]])],
 348         [CS_DEFINE([$1], [$withval], [$2])],
 349         [CS_DEFINE([$1], [$3], [$2])]
 350 )])
 351
 352 dnl ==========================================================================
 353 dnl Python bindings
 354 AC_ARG_ENABLE([python], AS_HELP_STRING([--enable-python],[enable Python bindings]),
 355 [with_python=$enableval],
 356 [with_python=no])
 357
 358 if test "x$with_python" = "xyes"; then
 359         AM_PATH_PYTHON([2.4])
 360
 361         if ! test -x "$PYTHON-config" ; then
 362             AC_MSG_ERROR([Cannot find python development packages to build bindings])
 363         fi
 364
 365         PYTHON_INCLUDES=$($PYTHON-config --includes)
 366         AC_SUBST(PYTHON_INCLUDES)
 367 fi
 368 AM_CONDITIONAL([PYTHON_CRYPTSETUP], [test "x$with_python" = "xyes"])
 369
 370 dnl ==========================================================================
 371 CS_STR_WITH([plain-hash],   [password hashing function for plain mode], [ripemd160])
 372 CS_STR_WITH([plain-cipher], [cipher for plain mode], [aes])
 373 CS_STR_WITH([plain-mode],   [cipher mode for plain mode], [cbc-essiv:sha256])
 374 CS_NUM_WITH([plain-keybits],[key length in bits for plain mode], [256])
 375
 376 CS_STR_WITH([luks1-hash],   [hash function for LUKS1 header], [sha1])
 377 CS_STR_WITH([luks1-cipher], [cipher for LUKS1], [aes])
 378 CS_STR_WITH([luks1-mode],   [cipher mode for LUKS1], [cbc-essiv:sha256])
 379 CS_NUM_WITH([luks1-keybits],[key length in bits for LUKS1], [256])
 380 CS_NUM_WITH([luks1-iter-time],[PBKDF2 iteration time for LUKS1 (in ms)], [1000])
 381
 382 CS_STR_WITH([loopaes-cipher], [cipher for loop-AES mode], [aes])
 383 CS_NUM_WITH([loopaes-keybits],[key length in bits for loop-AES mode], [256])
 384
 385 CS_NUM_WITH([keyfile-size-maxkb],[maximum keyfile size (in KiB)], [8192])
 386 CS_NUM_WITH([passphrase-size-max],[maximum keyfile size (in characters)], [512])
 387
 388 CS_STR_WITH([verity-hash],       [hash function for verity mode], [sha256])
 389 CS_NUM_WITH([verity-data-block], [data block size for verity mode], [4096])
 390 CS_NUM_WITH([verity-hash-block], [hash block size for verity mode], [4096])
 391 CS_NUM_WITH([verity-salt-size],  [salt size for verity mode], [32])
 392
 393 dnl ==========================================================================
 394
 395 AC_CONFIG_FILES([ Makefile
 396 lib/Makefile
 397 lib/libcryptsetup.pc
 398 lib/crypto_backend/Makefile
 399 lib/luks1/Makefile
 400 lib/loopaes/Makefile
 401 lib/verity/Makefile
 402 lib/tcrypt/Makefile
 403 src/Makefile
 404 po/Makefile.in
 405 man/Makefile
 406 tests/Makefile
 407 python/Makefile
 408 ])
 409 AC_OUTPUT