AC_PREREQ([2.67]) AC_INIT([cryptsetup],[2.6.1]) dnl library version from ..[-] LIBCRYPTSETUP_VERSION=$(echo $PACKAGE_VERSION | cut -f1 -d-) LIBCRYPTSETUP_VERSION_INFO=21:0:9 AM_SILENT_RULES([yes]) AC_CONFIG_SRCDIR(src/cryptsetup.c) AC_CONFIG_MACRO_DIR([m4]) AC_CONFIG_HEADERS([config.h:config.h.in]) # We do not want to run test in parallel. Really. # http://lists.gnu.org/archive/html/automake/2013-01/msg00060.html # For old automake use this #AM_INIT_AUTOMAKE(dist-xz subdir-objects) AM_INIT_AUTOMAKE([dist-xz 1.12 serial-tests subdir-objects foreign]) if test "x$prefix" = "xNONE"; then sysconfdir=/etc fi AC_PREFIX_DEFAULT(/usr) AC_CANONICAL_HOST AC_USE_SYSTEM_EXTENSIONS AC_PROG_CC AM_PROG_CC_C_O AC_PROG_CPP AC_PROG_CXX AC_PROG_INSTALL AC_PROG_MAKE_SET AC_PROG_MKDIR_P AC_ENABLE_STATIC(no) LT_INIT PKG_PROG_PKG_CONFIG dnl ========================================================================== dnl define PKG_CHECK_VAR for old pkg-config <= 0.28 m4_ifndef([AS_VAR_COPY], [m4_define([AS_VAR_COPY], [AS_LITERAL_IF([$1[]$2], [$1=$$2], [eval $1=\$$2])]) ]) m4_ifndef([PKG_CHECK_VAR], [ AC_DEFUN([PKG_CHECK_VAR], [AC_REQUIRE([PKG_PROG_PKG_CONFIG]) AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config]) _PKG_CONFIG([$1], [variable="][$3]["], [$2]) AS_VAR_COPY([$1], [pkg_cv_][$1]) AS_VAR_IF([$1], [""], [$5], [$4]) ]) ]) dnl ========================================================================== dnl AsciiDoc manual pages AC_ARG_ENABLE([asciidoc], AS_HELP_STRING([--disable-asciidoc], [do not generate man pages from asciidoc]), [], [enable_asciidoc=yes] ) AC_PATH_PROG([ASCIIDOCTOR], [asciidoctor]) if test "x$enable_asciidoc" = xyes -a "x$ASCIIDOCTOR" = x; then AC_MSG_ERROR([Building man pages requires asciidoctor installed.]) fi AM_CONDITIONAL([ENABLE_ASCIIDOC], [test "x$enable_asciidoc" = xyes]) have_manpages=no AS_IF([test -f "$srcdir/man/cryptsetup-open.8"], [ AC_MSG_NOTICE([re-use already generated man-pages.]) have_manpages=yes] ) AM_CONDITIONAL([HAVE_MANPAGES], [test "x$have_manpages" = xyes]) dnl ========================================================================== AC_C_RESTRICT AC_HEADER_DIRENT AC_CHECK_HEADERS(fcntl.h malloc.h inttypes.h uchar.h sys/ioctl.h sys/mman.h \ sys/sysmacros.h sys/statvfs.h ctype.h unistd.h locale.h byteswap.h endian.h stdint.h) AC_CHECK_DECLS([O_CLOEXEC],,[AC_DEFINE([O_CLOEXEC],[0], [Defined to 0 if not provided])], [[ #ifdef HAVE_FCNTL_H # include #endif ]]) AC_CHECK_HEADERS(uuid/uuid.h,,[AC_MSG_ERROR([You need the uuid library.])]) AC_CHECK_HEADER(libdevmapper.h,,[AC_MSG_ERROR([You need the device-mapper library.])]) AC_ARG_ENABLE([keyring], AS_HELP_STRING([--disable-keyring], [disable kernel keyring support and builtin kernel keyring token]), [], [enable_keyring=yes]) if test "x$enable_keyring" = "xyes"; then AC_CHECK_HEADERS(linux/keyctl.h,,[AC_MSG_ERROR([You need Linux kernel headers with kernel keyring service compiled.])]) dnl ========================================================================== dnl check whether kernel is compiled with kernel keyring service syscalls AC_CHECK_DECL(__NR_add_key,,[AC_MSG_ERROR([The kernel is missing add_key syscall.])], [#include ]) AC_CHECK_DECL(__NR_keyctl,,[AC_MSG_ERROR([The kernel is missing keyctl syscall.])], [#include ]) AC_CHECK_DECL(__NR_request_key,,[AC_MSG_ERROR([The kernel is missing request_key syscall.])], [#include ]) dnl ========================================================================== dnl check that key_serial_t hasn't been adopted yet in stdlib AC_CHECK_TYPES([key_serial_t], [], [], [ AC_INCLUDES_DEFAULT #ifdef HAVE_LINUX_KEYCTL_H # include #endif ]) AC_DEFINE(KERNEL_KEYRING, 1, [Enable kernel keyring service support]) fi AM_CONDITIONAL(KERNEL_KEYRING, test "x$enable_keyring" = "xyes") saved_LIBS=$LIBS AC_CHECK_LIB(uuid, uuid_clear, ,[AC_MSG_ERROR([You need the uuid library.])]) AC_SUBST(UUID_LIBS, $LIBS) LIBS=$saved_LIBS AC_SEARCH_LIBS([clock_gettime],[rt posix4]) AC_CHECK_FUNCS([posix_memalign clock_gettime posix_fallocate explicit_bzero]) if test "x$enable_largefile" = "xno"; then AC_MSG_ERROR([Building with --disable-largefile is not supported, it can cause data corruption.]) fi AC_C_CONST AC_C_BIGENDIAN AC_TYPE_OFF_T AC_SYS_LARGEFILE AC_FUNC_FSEEKO AC_PROG_GCC_TRADITIONAL AC_FUNC_STRERROR_R dnl ========================================================================== dnl LUKS2 external tokens AC_ARG_ENABLE([external-tokens], AS_HELP_STRING([--disable-external-tokens], [disable external LUKS2 tokens]), [], [enable_external_tokens=yes]) if test "x$enable_external_tokens" = "xyes"; then AC_DEFINE(USE_EXTERNAL_TOKENS, 1, [Use external tokens]) dnl we need dynamic library loading here saved_LIBS=$LIBS AC_SEARCH_LIBS([dlsym],[dl]) AC_CHECK_FUNCS([dlvsym]) AC_SUBST(DL_LIBS, $LIBS) LIBS=$saved_LIBS fi AM_CONDITIONAL(EXTERNAL_TOKENS, test "x$enable_external_tokens" = "xyes") AC_ARG_ENABLE([ssh-token], AS_HELP_STRING([--disable-ssh-token], [disable LUKS2 ssh-token]), [], [enable_ssh_token=yes]) AM_CONDITIONAL(SSHPLUGIN_TOKEN, test "x$enable_ssh_token" = "xyes") if test "x$enable_ssh_token" = "xyes" -a "x$enable_external_tokens" = "xno"; then AC_MSG_ERROR([Requested LUKS2 ssh-token build, but external tokens are disabled.]) fi dnl LUKS2 online reencryption AC_ARG_ENABLE([luks2-reencryption], AS_HELP_STRING([--disable-luks2-reencryption], [disable LUKS2 online reencryption extension]), [], [enable_luks2_reencryption=yes]) if test "x$enable_luks2_reencryption" = "xyes"; then AC_DEFINE(USE_LUKS2_REENCRYPTION, 1, [Use LUKS2 online reencryption extension]) fi dnl ========================================================================== AM_GNU_GETTEXT([external],[need-ngettext]) AM_GNU_GETTEXT_VERSION([0.18.3]) dnl ========================================================================== saved_LIBS=$LIBS AC_CHECK_LIB(popt, poptConfigFileToString,, [AC_MSG_ERROR([You need popt 1.7 or newer to compile.])]) AC_SUBST(POPT_LIBS, $LIBS) LIBS=$saved_LIBS dnl ========================================================================== dnl FIPS extensions AC_ARG_ENABLE([fips], AS_HELP_STRING([--enable-fips], [enable FIPS mode restrictions])) if test "x$enable_fips" = "xyes"; then AC_DEFINE(ENABLE_FIPS, 1, [Enable FIPS mode restrictions]) if test "x$enable_static" = "xyes" -o "x$enable_static_cryptsetup" = "xyes" ; then AC_MSG_ERROR([Static build is not compatible with FIPS.]) fi fi AC_DEFUN([NO_FIPS], [ if test "x$enable_fips" = "xyes"; then AC_MSG_ERROR([This option is not compatible with FIPS.]) fi ]) dnl ========================================================================== dnl pwquality library (cryptsetup CLI only) AC_ARG_ENABLE([pwquality], AS_HELP_STRING([--enable-pwquality], [enable password quality checking using pwquality library])) if test "x$enable_pwquality" = "xyes"; then AC_DEFINE(ENABLE_PWQUALITY, 1, [Enable password quality checking using pwquality library]) PKG_CHECK_MODULES([PWQUALITY], [pwquality >= 1.0.0],, AC_MSG_ERROR([You need pwquality library.])) dnl FIXME: this is really hack for now PWQUALITY_STATIC_LIBS="$PWQUALITY_LIBS -lcrack -lz" fi dnl ========================================================================== dnl fuzzers, it requires own static library compilation later AC_ARG_ENABLE([fuzz-targets], AS_HELP_STRING([--enable-fuzz-targets], [enable building fuzz targets])) AM_CONDITIONAL(ENABLE_FUZZ_TARGETS, test "x$enable_fuzz_targets" = "xyes") if test "x$enable_fuzz_targets" = "xyes"; then AX_CHECK_COMPILE_FLAG([-fsanitize=fuzzer-no-link],, AC_MSG_ERROR([Required compiler options not supported; use clang.]), [-Werror]) fi dnl ========================================================================== dnl passwdqc library (cryptsetup CLI only) AC_ARG_ENABLE([passwdqc], AS_HELP_STRING([--enable-passwdqc@<:@=CONFIG_PATH@:>@], [enable password quality checking using passwdqc library (optionally with CONFIG_PATH)])) case "$enable_passwdqc" in ""|yes|no) use_passwdqc_config="" ;; /*) use_passwdqc_config="$enable_passwdqc"; enable_passwdqc=yes ;; *) AC_MSG_ERROR([Unrecognized --enable-passwdqc parameter.]) ;; esac AC_DEFINE_UNQUOTED([PASSWDQC_CONFIG_FILE], ["$use_passwdqc_config"], [passwdqc library config file]) if test "x$enable_passwdqc" = "xyes"; then AC_DEFINE(ENABLE_PASSWDQC, 1, [Enable password quality checking using passwdqc library]) saved_LIBS="$LIBS" AC_SEARCH_LIBS([passwdqc_check], [passwdqc]) case "$ac_cv_search_passwdqc_check" in no) AC_MSG_ERROR([failed to find passwdqc_check]) ;; -l*) PASSWDQC_LIBS="$ac_cv_search_passwdqc_check" ;; *) PASSWDQC_LIBS= ;; esac AC_CHECK_FUNCS([passwdqc_params_free]) LIBS="$saved_LIBS" fi if test "x$enable_pwquality$enable_passwdqc" = "xyesyes"; then AC_MSG_ERROR([--enable-pwquality and --enable-passwdqc are mutually incompatible.]) fi dnl ========================================================================== dnl Crypto backend functions AC_DEFUN([CONFIGURE_GCRYPT], [ if test "x$enable_fips" = "xyes"; then GCRYPT_REQ_VERSION=1.4.5 else GCRYPT_REQ_VERSION=1.1.42 fi dnl libgcrypt rejects to use pkgconfig, use AM_PATH_LIBGCRYPT from gcrypt-devel here. dnl Do not require gcrypt-devel if other crypto backend is used. m4_ifdef([AM_PATH_LIBGCRYPT],[ AC_ARG_ENABLE([gcrypt-pbkdf2], dnl Check if we can use gcrypt PBKDF2 (1.6.0 supports empty password) AS_HELP_STRING([--enable-gcrypt-pbkdf2], [force enable internal gcrypt PBKDF2]), if test "x$enableval" = "xyes"; then [use_internal_pbkdf2=0] else [use_internal_pbkdf2=1] fi, [AM_PATH_LIBGCRYPT([1.6.1], [use_internal_pbkdf2=0], [use_internal_pbkdf2=1])]) AM_PATH_LIBGCRYPT($GCRYPT_REQ_VERSION,,[AC_MSG_ERROR([You need the gcrypt library.])])], AC_MSG_ERROR([Missing support for gcrypt: install gcrypt and regenerate configure.])) AC_MSG_CHECKING([if internal cryptsetup PBKDF2 is compiled-in]) if test $use_internal_pbkdf2 = 0; then AC_MSG_RESULT([no]) else AC_MSG_RESULT([yes]) NO_FIPS([]) fi AC_CHECK_DECLS([GCRY_CIPHER_MODE_XTS], [], [], [#include ]) if test "x$enable_static_cryptsetup" = "xyes"; then saved_LIBS=$LIBS LIBS="$saved_LIBS $LIBGCRYPT_LIBS -static" AC_CHECK_LIB(gcrypt, gcry_check_version,, AC_MSG_ERROR([Cannot find static gcrypt library.]), [-lgpg-error]) LIBGCRYPT_STATIC_LIBS="$LIBGCRYPT_LIBS -lgpg-error" LIBS=$saved_LIBS fi CRYPTO_CFLAGS=$LIBGCRYPT_CFLAGS CRYPTO_LIBS=$LIBGCRYPT_LIBS CRYPTO_STATIC_LIBS=$LIBGCRYPT_STATIC_LIBS AC_DEFINE_UNQUOTED(GCRYPT_REQ_VERSION, ["$GCRYPT_REQ_VERSION"], [Requested gcrypt version]) ]) AC_DEFUN([CONFIGURE_OPENSSL], [ PKG_CHECK_MODULES([OPENSSL], [openssl >= 0.9.8],, AC_MSG_ERROR([You need openssl library.])) CRYPTO_CFLAGS=$OPENSSL_CFLAGS CRYPTO_LIBS=$OPENSSL_LIBS use_internal_pbkdf2=0 if test "x$enable_static_cryptsetup" = "xyes"; then saved_PKG_CONFIG=$PKG_CONFIG PKG_CONFIG="$PKG_CONFIG --static" PKG_CHECK_MODULES([OPENSSL_STATIC], [openssl]) CRYPTO_STATIC_LIBS=$OPENSSL_STATIC_LIBS PKG_CONFIG=$saved_PKG_CONFIG fi ]) AC_DEFUN([CONFIGURE_NSS], [ if test "x$enable_static_cryptsetup" = "xyes"; then AC_MSG_ERROR([Static build of cryptsetup is not supported with NSS.]) fi AC_MSG_WARN([NSS backend does NOT provide backward compatibility (missing ripemd160 hash).]) PKG_CHECK_MODULES([NSS], [nss],, AC_MSG_ERROR([You need nss library.])) saved_CFLAGS=$CFLAGS CFLAGS="$CFLAGS $NSS_CFLAGS" AC_CHECK_DECLS([NSS_GetVersion], [], [], [#include ]) CFLAGS=$saved_CFLAGS CRYPTO_CFLAGS=$NSS_CFLAGS CRYPTO_LIBS=$NSS_LIBS use_internal_pbkdf2=1 NO_FIPS([]) ]) AC_DEFUN([CONFIGURE_KERNEL], [ AC_CHECK_HEADERS(linux/if_alg.h,, [AC_MSG_ERROR([You need Linux kernel headers with userspace crypto interface.])]) # AC_CHECK_DECLS([AF_ALG],, # [AC_MSG_ERROR([You need Linux kernel with userspace crypto interface.])], # [#include ]) use_internal_pbkdf2=1 NO_FIPS([]) ]) AC_DEFUN([CONFIGURE_NETTLE], [ AC_CHECK_HEADERS(nettle/sha.h,, [AC_MSG_ERROR([You need Nettle cryptographic library.])]) AC_CHECK_HEADERS(nettle/version.h) saved_LIBS=$LIBS AC_CHECK_LIB(nettle, nettle_pbkdf2_hmac_sha256,, [AC_MSG_ERROR([You need Nettle library version 2.6 or more recent.])]) CRYPTO_LIBS=$LIBS LIBS=$saved_LIBS CRYPTO_STATIC_LIBS=$CRYPTO_LIBS use_internal_pbkdf2=0 NO_FIPS([]) ]) dnl ========================================================================== saved_LIBS=$LIBS AC_ARG_ENABLE([static-cryptsetup], AS_HELP_STRING([--enable-static-cryptsetup], [enable build of static version of tools])) if test "x$enable_static_cryptsetup" = "xyes"; then if test "x$enable_static" = "xno"; then AC_MSG_WARN([Requested static cryptsetup build, enabling static library.]) enable_static=yes fi fi AM_CONDITIONAL(STATIC_TOOLS, test "x$enable_static_cryptsetup" = "xyes") AC_ARG_ENABLE([cryptsetup], AS_HELP_STRING([--disable-cryptsetup], [disable cryptsetup support]), [], [enable_cryptsetup=yes]) AM_CONDITIONAL(CRYPTSETUP, test "x$enable_cryptsetup" = "xyes") AC_ARG_ENABLE([veritysetup], AS_HELP_STRING([--disable-veritysetup], [disable veritysetup support]), [], [enable_veritysetup=yes]) AM_CONDITIONAL(VERITYSETUP, test "x$enable_veritysetup" = "xyes") AC_ARG_ENABLE([integritysetup], AS_HELP_STRING([--disable-integritysetup], [disable integritysetup support]), [], [enable_integritysetup=yes]) AM_CONDITIONAL(INTEGRITYSETUP, test "x$enable_integritysetup" = "xyes") AC_ARG_ENABLE([selinux], AS_HELP_STRING([--disable-selinux], [disable selinux support [default=auto]]), [], [enable_selinux=yes]) AC_ARG_ENABLE([udev], AS_HELP_STRING([--disable-udev], [disable udev support]), [], [enable_udev=yes]) dnl Try to use pkg-config for devmapper, but fallback to old detection PKG_CHECK_MODULES([DEVMAPPER], [devmapper >= 1.02.03],, [ AC_CHECK_LIB(devmapper, dm_task_set_name,, [AC_MSG_ERROR([You need the device-mapper library.])]) AC_CHECK_LIB(devmapper, dm_task_set_message,, [AC_MSG_ERROR([The device-mapper library on your system is too old.])]) DEVMAPPER_LIBS=$LIBS ]) LIBS=$saved_LIBS LIBS="$LIBS $DEVMAPPER_LIBS" AC_CHECK_DECLS([dm_task_secure_data], [], [], [#include ]) AC_CHECK_DECLS([dm_task_retry_remove], [], [], [#include ]) AC_CHECK_DECLS([dm_task_deferred_remove], [], [], [#include ]) AC_CHECK_DECLS([dm_device_has_mounted_fs], [], [], [#include ]) AC_CHECK_DECLS([dm_device_has_holders], [], [], [#include ]) AC_CHECK_DECLS([dm_device_get_name], [], [], [#include ]) AC_CHECK_DECLS([DM_DEVICE_GET_TARGET_VERSION], [], [], [#include ]) AC_CHECK_DECLS([DM_UDEV_DISABLE_DISK_RULES_FLAG], [have_cookie=yes], [have_cookie=no], [#include ]) if test "x$enable_udev" = xyes; then if test "x$have_cookie" = xno; then AC_MSG_WARN([The device-mapper library on your system has no udev support, udev support disabled.]) else AC_DEFINE(USE_UDEV, 1, [Try to use udev synchronisation?]) fi fi LIBS=$saved_LIBS dnl Check for JSON-C used in LUKS2 PKG_CHECK_MODULES([JSON_C], [json-c]) AC_CHECK_DECLS([json_object_object_add_ex], [], [], [#include ]) AC_CHECK_DECLS([json_object_deep_copy], [], [], [#include ]) dnl Check for libssh and argp for SSH plugin if test "x$enable_ssh_token" = "xyes"; then PKG_CHECK_MODULES([LIBSSH], [libssh]) AC_CHECK_DECLS([ssh_session_is_known_server], [], [], [#include ]) AC_CHECK_HEADER([argp.h], [], AC_MSG_ERROR([You need argp library.])) saved_LIBS=$LIBS AC_SEARCH_LIBS([argp_parse],[argp]) AC_SUBST(ARGP_LIBS, $LIBS) LIBS=$saved_LIBS fi dnl Crypto backend configuration. AC_ARG_WITH([crypto_backend], AS_HELP_STRING([--with-crypto_backend=BACKEND], [crypto backend (gcrypt/openssl/nss/kernel/nettle) [openssl]]), [], [with_crypto_backend=openssl]) dnl Kernel crypto API backend needed for benchmark and tcrypt AC_ARG_ENABLE([kernel_crypto], AS_HELP_STRING([--disable-kernel_crypto], [disable kernel userspace crypto (no benchmark and tcrypt)]), [], [enable_kernel_crypto=yes]) if test "x$enable_kernel_crypto" = "xyes"; then AC_CHECK_HEADERS(linux/if_alg.h,, [AC_MSG_ERROR([You need Linux kernel headers with userspace crypto interface. (Or use --disable-kernel_crypto.)])]) AC_DEFINE(ENABLE_AF_ALG, 1, [Enable using of kernel userspace crypto]) fi case $with_crypto_backend in gcrypt) CONFIGURE_GCRYPT([]) ;; openssl) CONFIGURE_OPENSSL([]) ;; nss) CONFIGURE_NSS([]) ;; kernel) CONFIGURE_KERNEL([]) ;; nettle) CONFIGURE_NETTLE([]) ;; *) AC_MSG_ERROR([Unknown crypto backend.]) ;; esac AM_CONDITIONAL(CRYPTO_BACKEND_GCRYPT, test "$with_crypto_backend" = "gcrypt") AM_CONDITIONAL(CRYPTO_BACKEND_OPENSSL, test "$with_crypto_backend" = "openssl") AM_CONDITIONAL(CRYPTO_BACKEND_NSS, test "$with_crypto_backend" = "nss") AM_CONDITIONAL(CRYPTO_BACKEND_KERNEL, test "$with_crypto_backend" = "kernel") AM_CONDITIONAL(CRYPTO_BACKEND_NETTLE, test "$with_crypto_backend" = "nettle") AM_CONDITIONAL(CRYPTO_INTERNAL_PBKDF2, test $use_internal_pbkdf2 = 1) AC_DEFINE_UNQUOTED(USE_INTERNAL_PBKDF2, [$use_internal_pbkdf2], [Use internal PBKDF2]) dnl Argon2 implementation AC_ARG_ENABLE([internal-argon2], AS_HELP_STRING([--disable-internal-argon2], [disable internal implementation of Argon2 PBKDF]), [], [enable_internal_argon2=yes]) AC_ARG_ENABLE([libargon2], AS_HELP_STRING([--enable-libargon2], [enable external libargon2 (PHC) library (disables internal bundled version)])) if test "x$enable_libargon2" = "xyes" ; then AC_CHECK_HEADERS(argon2.h,, [AC_MSG_ERROR([You need libargon2 development library installed.])]) AC_CHECK_DECL(Argon2_id,,[AC_MSG_ERROR([You need more recent Argon2 library with support for Argon2id.])], [#include ]) PKG_CHECK_MODULES([LIBARGON2], [libargon2],,[LIBARGON2_LIBS="-largon2"]) enable_internal_argon2=no else AC_MSG_WARN([Argon2 bundled (slow) reference implementation will be used, please consider to use system library with --enable-libargon2.]) AC_ARG_ENABLE([internal-sse-argon2], AS_HELP_STRING([--enable-internal-sse-argon2], [enable internal SSE implementation of Argon2 PBKDF])) if test "x$enable_internal_sse_argon2" = "xyes"; then AC_MSG_CHECKING(if Argon2 SSE optimization can be used) AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include __m128i testfunc(__m128i *a, __m128i *b) { return _mm_xor_si128(_mm_loadu_si128(a), _mm_loadu_si128(b)); } ]])],,[enable_internal_sse_argon2=no]) AC_MSG_RESULT($enable_internal_sse_argon2) fi fi if test "x$enable_internal_argon2" = "xyes"; then AC_DEFINE(USE_INTERNAL_ARGON2, 1, [Use internal Argon2]) fi AM_CONDITIONAL(CRYPTO_INTERNAL_ARGON2, test "x$enable_internal_argon2" = "xyes") AM_CONDITIONAL(CRYPTO_INTERNAL_SSE_ARGON2, test "x$enable_internal_sse_argon2" = "xyes") dnl Link with blkid to check for other device types AC_ARG_ENABLE([blkid], AS_HELP_STRING([--disable-blkid], [disable use of blkid for device signature detection and wiping]), [], [enable_blkid=yes]) if test "x$enable_blkid" = "xyes"; then PKG_CHECK_MODULES([BLKID], [blkid],[AC_DEFINE([HAVE_BLKID], 1, [Define to 1 to use blkid for detection of disk signatures.])],[LIBBLKID_LIBS="-lblkid"]) AC_CHECK_HEADERS(blkid/blkid.h,,[AC_MSG_ERROR([You need blkid development library installed.])]) AC_CHECK_DECL([blkid_do_wipe], [ AC_DEFINE([HAVE_BLKID_WIPE], 1, [Define to 1 to use blkid_do_wipe.]) enable_blkid_wipe=yes ],, [#include ]) AC_CHECK_DECL([blkid_probe_step_back], [ AC_DEFINE([HAVE_BLKID_STEP_BACK], 1, [Define to 1 to use blkid_probe_step_back.]) enable_blkid_step_back=yes ],, [#include ]) AC_CHECK_DECLS([ blkid_reset_probe, blkid_probe_set_device, blkid_probe_filter_superblocks_type, blkid_do_safeprobe, blkid_do_probe, blkid_probe_lookup_value ],, [AC_MSG_ERROR([Can not compile with blkid support, disable it by --disable-blkid.])], [#include ]) fi AM_CONDITIONAL(HAVE_BLKID, test "x$enable_blkid" = "xyes") AM_CONDITIONAL(HAVE_BLKID_WIPE, test "x$enable_blkid_wipe" = "xyes") AM_CONDITIONAL(HAVE_BLKID_STEP_BACK, test "x$enable_blkid_step_back" = "xyes") dnl Magic for cryptsetup.static build. if test "x$enable_static_cryptsetup" = "xyes"; then saved_PKG_CONFIG=$PKG_CONFIG PKG_CONFIG="$PKG_CONFIG --static" LIBS="$saved_LIBS -static" AC_CHECK_LIB(popt, poptGetContext,, AC_MSG_ERROR([Cannot find static popt library.])) dnl Try to detect needed device-mapper static libraries, try pkg-config first. LIBS="$saved_LIBS -static" PKG_CHECK_MODULES([DEVMAPPER_STATIC], [devmapper >= 1.02.27],,[ DEVMAPPER_STATIC_LIBS=$DEVMAPPER_LIBS if test "x$enable_selinux" = "xyes"; then AC_CHECK_LIB(sepol, sepol_bool_set) AC_CHECK_LIB(selinux, is_selinux_enabled) DEVMAPPER_STATIC_LIBS="$DEVMAPPER_STATIC_LIBS $LIBS" fi ]) LIBS="$saved_LIBS $DEVMAPPER_STATIC_LIBS" AC_CHECK_LIB(devmapper, dm_task_set_uuid,, AC_MSG_ERROR([Cannot link with static device-mapper library.])) dnl Try to detect uuid static library. LIBS="$saved_LIBS -static" AC_CHECK_LIB(uuid, uuid_generate,, AC_MSG_ERROR([Cannot find static uuid library.])) LIBS=$saved_LIBS PKG_CONFIG=$saved_PKG_CONFIG fi dnl Check compiler support for symver function attribute AC_MSG_CHECKING([for symver attribute support]) saved_CFLAGS=$CFLAGS CFLAGS="-O0 -Werror" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ void _test_sym(void); __attribute__((__symver__("sym@VERSION_4.2"))) void _test_sym(void) {} ]], [[ _test_sym() ]] )],[ AC_DEFINE([HAVE_ATTRIBUTE_SYMVER], 1, [Define to 1 to use __attribute__((symver))]) AC_MSG_RESULT([yes]) ], [ AC_MSG_RESULT([no]) ]) CFLAGS=$saved_CFLAGS AC_MSG_CHECKING([for systemd tmpfiles config directory]) PKG_CHECK_VAR([systemd_tmpfilesdir], [systemd], [tmpfilesdir], [], [systemd_tmpfilesdir=no]) AC_MSG_RESULT([$systemd_tmpfilesdir]) AC_SUBST([DEVMAPPER_LIBS]) AC_SUBST([DEVMAPPER_STATIC_LIBS]) AC_SUBST([PWQUALITY_LIBS]) AC_SUBST([PWQUALITY_STATIC_LIBS]) AC_SUBST([PASSWDQC_LIBS]) AC_SUBST([CRYPTO_CFLAGS]) AC_SUBST([CRYPTO_LIBS]) AC_SUBST([CRYPTO_STATIC_LIBS]) AC_SUBST([JSON_C_LIBS]) AC_SUBST([LIBARGON2_LIBS]) AC_SUBST([BLKID_LIBS]) AC_SUBST([LIBSSH_LIBS]) AC_SUBST([LIBCRYPTSETUP_VERSION]) AC_SUBST([LIBCRYPTSETUP_VERSION_INFO]) dnl Set Requires.private for libcryptsetup.pc dnl pwquality is used only by tools PKGMODULES="uuid devmapper json-c" case $with_crypto_backend in gcrypt) PKGMODULES+=" libgcrypt" ;; openssl) PKGMODULES+=" openssl" ;; nss) PKGMODULES+=" nss" ;; nettle) PKGMODULES+=" nettle" ;; esac if test "x$enable_libargon2" = "xyes"; then PKGMODULES+=" libargon2" fi if test "x$enable_blkid" = "xyes"; then PKGMODULES+=" blkid" fi AC_SUBST([PKGMODULES]) dnl ========================================================================== AC_ARG_ENABLE([dev-random], AS_HELP_STRING([--enable-dev-random], [use /dev/random by default for key generation (otherwise use /dev/urandom)])) if test "x$enable_dev_random" = "xyes"; then default_rng=/dev/random else default_rng=/dev/urandom fi AC_DEFINE_UNQUOTED(DEFAULT_RNG, ["$default_rng"], [default RNG type for key generator]) dnl ========================================================================== AC_DEFUN([CS_DEFINE], [AC_DEFINE_UNQUOTED(DEFAULT_[]m4_translit([$1], [-a-z], [_A-Z]), [$2], [$3]) ]) AC_DEFUN([CS_STR_WITH], [AC_ARG_WITH([$1], [AS_HELP_STRING(--with-[$1], [default $2 [$3]])], [CS_DEFINE([$1], ["$withval"], [$2])], [CS_DEFINE([$1], ["$3"], [$2])] )]) AC_DEFUN([CS_NUM_WITH], [AC_ARG_WITH([$1], [AS_HELP_STRING(--with-[$1], [default $2 [$3]])], [CS_DEFINE([$1], [$withval], [$2])], [CS_DEFINE([$1], [$3], [$2])] )]) AC_DEFUN([CS_ABSPATH], [ case "$1" in /*) ;; *) AC_MSG_ERROR([$2 argument must be an absolute path.]);; esac ]) dnl ========================================================================== CS_STR_WITH([plain-hash], [password hashing function for plain mode], [ripemd160]) CS_STR_WITH([plain-cipher], [cipher for plain mode], [aes]) CS_STR_WITH([plain-mode], [cipher mode for plain mode], [cbc-essiv:sha256]) CS_NUM_WITH([plain-keybits],[key length in bits for plain mode], [256]) CS_STR_WITH([luks1-hash], [hash function for LUKS1 header], [sha256]) CS_STR_WITH([luks1-cipher], [cipher for LUKS1], [aes]) CS_STR_WITH([luks1-mode], [cipher mode for LUKS1], [xts-plain64]) CS_NUM_WITH([luks1-keybits],[key length in bits for LUKS1], [256]) AC_ARG_ENABLE([luks_adjust_xts_keysize], AS_HELP_STRING([--disable-luks-adjust-xts-keysize], [XTS mode requires two keys, double default LUKS keysize if needed]), [], [enable_luks_adjust_xts_keysize=yes]) if test "x$enable_luks_adjust_xts_keysize" = "xyes"; then AC_DEFINE(ENABLE_LUKS_ADJUST_XTS_KEYSIZE, 1, [XTS mode - double default LUKS keysize if needed]) fi CS_STR_WITH([luks2-pbkdf], [Default PBKDF algorithm (pbkdf2 or argon2i/argon2id) for LUKS2], [argon2id]) CS_NUM_WITH([luks1-iter-time], [PBKDF2 iteration time for LUKS1 (in ms)], [2000]) CS_NUM_WITH([luks2-iter-time], [Argon2 PBKDF iteration time for LUKS2 (in ms)], [2000]) CS_NUM_WITH([luks2-memory-kb], [Argon2 PBKDF memory cost for LUKS2 (in kB)], [1048576]) CS_NUM_WITH([luks2-parallel-threads],[Argon2 PBKDF max parallel cost for LUKS2 (if CPUs available)], [4]) CS_STR_WITH([luks2-keyslot-cipher], [fallback cipher for LUKS2 keyslot (if data encryption is incompatible)], [aes-xts-plain64]) CS_NUM_WITH([luks2-keyslot-keybits],[fallback key size for LUKS2 keyslot (if data encryption is incompatible)], [512]) CS_STR_WITH([loopaes-cipher], [cipher for loop-AES mode], [aes]) CS_NUM_WITH([loopaes-keybits],[key length in bits for loop-AES mode], [256]) CS_NUM_WITH([keyfile-size-maxkb],[maximum keyfile size (in KiB)], [8192]) CS_NUM_WITH([integrity-keyfile-size-maxkb],[maximum integritysetup keyfile size (in KiB)], [4]) CS_NUM_WITH([passphrase-size-max],[maximum passphrase size (in characters)], [512]) CS_STR_WITH([verity-hash], [hash function for verity mode], [sha256]) CS_NUM_WITH([verity-data-block], [data block size for verity mode], [4096]) CS_NUM_WITH([verity-hash-block], [hash block size for verity mode], [4096]) CS_NUM_WITH([verity-salt-size], [salt size for verity mode], [32]) CS_NUM_WITH([verity-fec-roots], [parity bytes for verity FEC], [2]) CS_STR_WITH([tmpfilesdir], [override default path to directory with systemd temporary files], []) test -z "$with_tmpfilesdir" && with_tmpfilesdir=$systemd_tmpfilesdir test "x$with_tmpfilesdir" = "xno" || { CS_ABSPATH([${with_tmpfilesdir}],[with-tmpfilesdir]) DEFAULT_TMPFILESDIR=$with_tmpfilesdir AC_SUBST(DEFAULT_TMPFILESDIR) } AM_CONDITIONAL(CRYPTSETUP_TMPFILE, test -n "$DEFAULT_TMPFILESDIR") CS_STR_WITH([luks2-lock-path], [path to directory for LUKSv2 locks], [/run/cryptsetup]) test -z "$with_luks2_lock_path" && with_luks2_lock_path=/run/cryptsetup CS_ABSPATH([${with_luks2_lock_path}],[with-luks2-lock-path]) DEFAULT_LUKS2_LOCK_PATH=$with_luks2_lock_path AC_SUBST(DEFAULT_LUKS2_LOCK_PATH) CS_NUM_WITH([luks2-lock-dir-perms], [default luks2 locking directory permissions], [0700]) test -z "$with_luks2_lock_dir_perms" && with_luks2_lock_dir_perms=0700 DEFAULT_LUKS2_LOCK_DIR_PERMS=$with_luks2_lock_dir_perms AC_SUBST(DEFAULT_LUKS2_LOCK_DIR_PERMS) CS_STR_WITH([luks2-external-tokens-path], [path to directory with LUKSv2 external token handlers (plugins)], [LIBDIR/cryptsetup]) if test -n "$with_luks2_external_tokens_path"; then CS_ABSPATH([${with_luks2_external_tokens_path}],[with-luks2-external-tokens-path]) EXTERNAL_LUKS2_TOKENS_PATH=$with_luks2_external_tokens_path else EXTERNAL_LUKS2_TOKENS_PATH="\${libdir}/cryptsetup" fi AC_SUBST(EXTERNAL_LUKS2_TOKENS_PATH) dnl Override default LUKS format version (for cryptsetup or cryptsetup-reencrypt format actions only). AC_ARG_WITH([default_luks_format], AS_HELP_STRING([--with-default-luks-format=FORMAT], [default LUKS format version (LUKS1/LUKS2) [LUKS2]]), [], [with_default_luks_format=LUKS2]) case $with_default_luks_format in LUKS1) default_luks=CRYPT_LUKS1 ;; LUKS2) default_luks=CRYPT_LUKS2 ;; *) AC_MSG_ERROR([Unknown default LUKS format. Use LUKS1 or LUKS2 only.]) ;; esac AC_DEFINE_UNQUOTED([DEFAULT_LUKS_FORMAT], [$default_luks], [default LUKS format version]) dnl ========================================================================== AC_CONFIG_FILES([ Makefile lib/libcryptsetup.pc po/Makefile.in scripts/cryptsetup.conf tests/Makefile tests/fuzz/Makefile ]) AC_OUTPUT