APPLIB
MODPROBE_CMD
MSGFMT
-VERITYSETUP
-VERITYSETUP_LIBS
-VERITYSETUP_CFLAGS
-NSS_LIBS
-NSS_CFLAGS
-OPENSSL_LIBS
-OPENSSL_CFLAGS
LVM2CMD_LIB
LVM2APP_LIB
UDEV_LIBS
enable_write_install
enable_fsadm
enable_dmeventd
-with_veritysetup
enable_selinux
enable_nls
with_localedir
CUNIT_CFLAGS
CUNIT_LIBS
UDEV_CFLAGS
-UDEV_LIBS
-OPENSSL_CFLAGS
-OPENSSL_LIBS
-NSS_CFLAGS
-NSS_LIBS'
+UDEV_LIBS'
# Initialize some variables set by options.
--with-cmirrord-pidfile=PATH
cmirrord pidfile [[/var/run/cmirrord.pid]]
--with-optimisation=OPT C optimisation flag [[OPT=-O2]]
- --with-veritysetup=TYPE build veritysetup using openssl/nss/gcrypt
--with-localedir=DIR translation files in DIR [[PREFIX/share/locale]]
--with-confdir=DIR configuration files in DIR [[/etc]]
--with-staticdir=DIR static binaries in DIR [[EPREFIX/sbin]]
CUNIT_LIBS linker flags for CUNIT, overriding pkg-config
UDEV_CFLAGS C compiler flags for UDEV, overriding pkg-config
UDEV_LIBS linker flags for UDEV, overriding pkg-config
- OPENSSL_CFLAGS
- C compiler flags for OPENSSL, overriding pkg-config
- OPENSSL_LIBS
- linker flags for OPENSSL, overriding pkg-config
- NSS_CFLAGS C compiler flags for NSS, overriding pkg-config
- NSS_LIBS linker flags for NSS, overriding pkg-config
Use these variables to override the choices made by `configure' or to help
it to find libraries and programs with nonstandard names/locations.
;;
esac
-VERITYSETUP=no
-
################################################################################
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
$as_echo_n "checking for a sed that does not truncate output... " >&6; }
fi
-################################################################################
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to install veritysetup" >&5
-$as_echo_n "checking whether to install veritysetup... " >&6; }
-
-# Check whether --with-veritysetup was given.
-if test "${with_veritysetup+set}" = set; then :
- withval=$with_veritysetup; VERITYSETUP=$withval
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $VERITYSETUP" >&5
-$as_echo "$VERITYSETUP" >&6; }
-
-if test x$VERITYSETUP != xno -a x$VERITYSETUP != x; then
- if test x$PKGCONFIG_INIT != x1; then
- pkg_config_init
- fi
-
- if test -z "$VERITYSETUP_CFLAGS" && test x$VERITYSETUP = xyes -o x$VERITYSETUP = xopenssl; then
-
-pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for OPENSSL" >&5
-$as_echo_n "checking for OPENSSL... " >&6; }
-
-if test -n "$OPENSSL_CFLAGS"; then
- pkg_cv_OPENSSL_CFLAGS="$OPENSSL_CFLAGS"
- elif test -n "$PKG_CONFIG"; then
- if test -n "$PKG_CONFIG" && \
- { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"openssl\""; } >&5
- ($PKG_CONFIG --exists --print-errors "openssl") 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; then
- pkg_cv_OPENSSL_CFLAGS=`$PKG_CONFIG --cflags "openssl" 2>/dev/null`
-else
- pkg_failed=yes
-fi
- else
- pkg_failed=untried
-fi
-if test -n "$OPENSSL_LIBS"; then
- pkg_cv_OPENSSL_LIBS="$OPENSSL_LIBS"
- elif test -n "$PKG_CONFIG"; then
- if test -n "$PKG_CONFIG" && \
- { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"openssl\""; } >&5
- ($PKG_CONFIG --exists --print-errors "openssl") 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; then
- pkg_cv_OPENSSL_LIBS=`$PKG_CONFIG --libs "openssl" 2>/dev/null`
-else
- pkg_failed=yes
-fi
- else
- pkg_failed=untried
-fi
-
-
-
-if test $pkg_failed = yes; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-
-if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
- _pkg_short_errors_supported=yes
-else
- _pkg_short_errors_supported=no
-fi
- if test $_pkg_short_errors_supported = yes; then
- OPENSSL_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "openssl" 2>&1`
- else
- OPENSSL_PKG_ERRORS=`$PKG_CONFIG --print-errors "openssl" 2>&1`
- fi
- # Put the nasty error message in config.log where it belongs
- echo "$OPENSSL_PKG_ERRORS" >&5
-
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for EVP_get_digestbyname in -lcrypto" >&5
-$as_echo_n "checking for EVP_get_digestbyname in -lcrypto... " >&6; }
-if test "${ac_cv_lib_crypto_EVP_get_digestbyname+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-lcrypto $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char EVP_get_digestbyname ();
-int
-main ()
-{
-return EVP_get_digestbyname ();
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_lib_crypto_EVP_get_digestbyname=yes
-else
- ac_cv_lib_crypto_EVP_get_digestbyname=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypto_EVP_get_digestbyname" >&5
-$as_echo "$ac_cv_lib_crypto_EVP_get_digestbyname" >&6; }
-if test "x$ac_cv_lib_crypto_EVP_get_digestbyname" = x""yes; then :
-
- ac_fn_c_check_header_mongrel "$LINENO" "openssl/evp.h" "ac_cv_header_openssl_evp_h" "$ac_includes_default"
-if test "x$ac_cv_header_openssl_evp_h" = x""yes; then :
-
-
-$as_echo "#define CRYPT_OPENSSL 1" >>confdefs.h
-
- VERITYSETUP_CFLAGS=
- VERITYSETUP_LIBS="-lcrypto"
-
-fi
-
-
-
-fi
-
-
-elif test $pkg_failed = untried; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for EVP_get_digestbyname in -lcrypto" >&5
-$as_echo_n "checking for EVP_get_digestbyname in -lcrypto... " >&6; }
-if test "${ac_cv_lib_crypto_EVP_get_digestbyname+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-lcrypto $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char EVP_get_digestbyname ();
-int
-main ()
-{
-return EVP_get_digestbyname ();
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_lib_crypto_EVP_get_digestbyname=yes
-else
- ac_cv_lib_crypto_EVP_get_digestbyname=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypto_EVP_get_digestbyname" >&5
-$as_echo "$ac_cv_lib_crypto_EVP_get_digestbyname" >&6; }
-if test "x$ac_cv_lib_crypto_EVP_get_digestbyname" = x""yes; then :
-
- ac_fn_c_check_header_mongrel "$LINENO" "openssl/evp.h" "ac_cv_header_openssl_evp_h" "$ac_includes_default"
-if test "x$ac_cv_header_openssl_evp_h" = x""yes; then :
-
-
-$as_echo "#define CRYPT_OPENSSL 1" >>confdefs.h
-
- VERITYSETUP_CFLAGS=
- VERITYSETUP_LIBS="-lcrypto"
-
-fi
-
-
-
-fi
-
-
-else
- OPENSSL_CFLAGS=$pkg_cv_OPENSSL_CFLAGS
- OPENSSL_LIBS=$pkg_cv_OPENSSL_LIBS
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-
-
-$as_echo "#define CRYPT_OPENSSL 1" >>confdefs.h
-
- VERITYSETUP_CFLAGS="$OPENSSL_CFLAGS"
- VERITYSETUP_LIBS="`echo "$OPENSSL_LIBS" | sed 's/-lssl\>//'`"
-
-fi
- fi
-
- if test -z "$VERITYSETUP_CFLAGS" && test x$VERITYSETUP = xyes -o x$VERITYSETUP = xnss; then
-
-pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for NSS" >&5
-$as_echo_n "checking for NSS... " >&6; }
-
-if test -n "$NSS_CFLAGS"; then
- pkg_cv_NSS_CFLAGS="$NSS_CFLAGS"
- elif test -n "$PKG_CONFIG"; then
- if test -n "$PKG_CONFIG" && \
- { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"nss\""; } >&5
- ($PKG_CONFIG --exists --print-errors "nss") 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; then
- pkg_cv_NSS_CFLAGS=`$PKG_CONFIG --cflags "nss" 2>/dev/null`
-else
- pkg_failed=yes
-fi
- else
- pkg_failed=untried
-fi
-if test -n "$NSS_LIBS"; then
- pkg_cv_NSS_LIBS="$NSS_LIBS"
- elif test -n "$PKG_CONFIG"; then
- if test -n "$PKG_CONFIG" && \
- { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"nss\""; } >&5
- ($PKG_CONFIG --exists --print-errors "nss") 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; then
- pkg_cv_NSS_LIBS=`$PKG_CONFIG --libs "nss" 2>/dev/null`
-else
- pkg_failed=yes
-fi
- else
- pkg_failed=untried
-fi
-
-
-
-if test $pkg_failed = yes; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-
-if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
- _pkg_short_errors_supported=yes
-else
- _pkg_short_errors_supported=no
-fi
- if test $_pkg_short_errors_supported = yes; then
- NSS_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "nss" 2>&1`
- else
- NSS_PKG_ERRORS=`$PKG_CONFIG --print-errors "nss" 2>&1`
- fi
- # Put the nasty error message in config.log where it belongs
- echo "$NSS_PKG_ERRORS" >&5
-
- true
-elif test $pkg_failed = untried; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
- true
-else
- NSS_CFLAGS=$pkg_cv_NSS_CFLAGS
- NSS_LIBS=$pkg_cv_NSS_LIBS
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-
-
-$as_echo "#define CRYPT_NSS 1" >>confdefs.h
-
- VERITYSETUP_CFLAGS="$NSS_CFLAGS"
- VERITYSETUP_LIBS="`echo "$NSS_LIBS" | sed 's/-lsmime3\>//' | sed 's/-lssl3\>//'`"
-
-fi
- fi
-
- if test -z "$VERITYSETUP_CFLAGS" && test x$VERITYSETUP = xyes -o x$VERITYSETUP = xgcrypt; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcry_md_map_name in -lgcrypt" >&5
-$as_echo_n "checking for gcry_md_map_name in -lgcrypt... " >&6; }
-if test "${ac_cv_lib_gcrypt_gcry_md_map_name+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-lgcrypt $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char gcry_md_map_name ();
-int
-main ()
-{
-return gcry_md_map_name ();
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_lib_gcrypt_gcry_md_map_name=yes
-else
- ac_cv_lib_gcrypt_gcry_md_map_name=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gcrypt_gcry_md_map_name" >&5
-$as_echo "$ac_cv_lib_gcrypt_gcry_md_map_name" >&6; }
-if test "x$ac_cv_lib_gcrypt_gcry_md_map_name" = x""yes; then :
-
- ac_fn_c_check_header_mongrel "$LINENO" "gcrypt.h" "ac_cv_header_gcrypt_h" "$ac_includes_default"
-if test "x$ac_cv_header_gcrypt_h" = x""yes; then :
-
-
-$as_echo "#define CRYPT_GCRYPT 1" >>confdefs.h
-
- VERITYSETUP_CFLAGS=
- VERITYSETUP_LIBS="-lgcrypt"
-
-fi
-
-
-
-fi
-
- fi
-
- if test -z "$VERITYSETUP_LIBS"; then
- as_fn_error $? "No cryptographic library for veritysetup found" "$LINENO" 5
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for poptGetContext in -lpopt" >&5
-$as_echo_n "checking for poptGetContext in -lpopt... " >&6; }
-if test "${ac_cv_lib_popt_poptGetContext+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-lpopt $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char poptGetContext ();
-int
-main ()
-{
-return poptGetContext ();
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_lib_popt_poptGetContext=yes
-else
- ac_cv_lib_popt_poptGetContext=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_popt_poptGetContext" >&5
-$as_echo "$ac_cv_lib_popt_poptGetContext" >&6; }
-if test "x$ac_cv_lib_popt_poptGetContext" = x""yes; then :
- true
-else
-
- as_fn_error $? "popt library was not found" "$LINENO" 5
-
-fi
-
- ac_fn_c_check_header_mongrel "$LINENO" "popt.h" "ac_cv_header_popt_h" "$ac_includes_default"
-if test "x$ac_cv_header_popt_h" = x""yes; then :
- true
-else
-
- as_fn_error $? "popt.h was not found" "$LINENO" 5
-
-fi
-
-
- VERITYSETUP_LIBS="$VERITYSETUP_LIBS -lpopt"
-
-
- VERITYSETUP=yes
-fi
-
-
################################################################################
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getline in -lc" >&5
################################################################################
-ac_config_files="$ac_config_files Makefile make.tmpl daemons/Makefile daemons/clvmd/Makefile daemons/cmirrord/Makefile daemons/dmeventd/Makefile daemons/dmeventd/libdevmapper-event.pc daemons/dmeventd/plugins/Makefile daemons/dmeventd/plugins/lvm2/Makefile daemons/dmeventd/plugins/raid/Makefile daemons/dmeventd/plugins/mirror/Makefile daemons/dmeventd/plugins/snapshot/Makefile daemons/dmeventd/plugins/thin/Makefile daemons/lvmetad/Makefile doc/Makefile doc/example.conf include/.symlinks include/Makefile lib/Makefile lib/format1/Makefile lib/format_pool/Makefile lib/locking/Makefile lib/mirror/Makefile lib/replicator/Makefile lib/misc/lvm-version.h lib/raid/Makefile lib/snapshot/Makefile lib/thin/Makefile libdaemon/Makefile libdaemon/client/Makefile libdaemon/server/Makefile libdm/Makefile libdm/libdevmapper.pc liblvm/Makefile liblvm/liblvm2app.pc man/Makefile po/Makefile scripts/clvmd_init_red_hat scripts/cmirrord_init_red_hat scripts/lvm2_lvmetad_init_red_hat scripts/lvm2_lvmetad_systemd_red_hat.socket scripts/lvm2_lvmetad_systemd_red_hat.service scripts/lvm2_monitoring_init_red_hat scripts/dm_event_systemd_red_hat.service scripts/lvm2_monitoring_systemd_red_hat.service scripts/lvm2_tmpfiles_red_hat.conf scripts/Makefile test/Makefile test/api/Makefile test/unit/Makefile tools/Makefile udev/Makefile unit-tests/datastruct/Makefile unit-tests/regex/Makefile unit-tests/mm/Makefile verity/Makefile"
+ac_config_files="$ac_config_files Makefile make.tmpl daemons/Makefile daemons/clvmd/Makefile daemons/cmirrord/Makefile daemons/dmeventd/Makefile daemons/dmeventd/libdevmapper-event.pc daemons/dmeventd/plugins/Makefile daemons/dmeventd/plugins/lvm2/Makefile daemons/dmeventd/plugins/raid/Makefile daemons/dmeventd/plugins/mirror/Makefile daemons/dmeventd/plugins/snapshot/Makefile daemons/dmeventd/plugins/thin/Makefile daemons/lvmetad/Makefile doc/Makefile doc/example.conf include/.symlinks include/Makefile lib/Makefile lib/format1/Makefile lib/format_pool/Makefile lib/locking/Makefile lib/mirror/Makefile lib/replicator/Makefile lib/misc/lvm-version.h lib/raid/Makefile lib/snapshot/Makefile lib/thin/Makefile libdaemon/Makefile libdaemon/client/Makefile libdaemon/server/Makefile libdm/Makefile libdm/libdevmapper.pc liblvm/Makefile liblvm/liblvm2app.pc man/Makefile po/Makefile scripts/clvmd_init_red_hat scripts/cmirrord_init_red_hat scripts/lvm2_lvmetad_init_red_hat scripts/lvm2_lvmetad_systemd_red_hat.socket scripts/lvm2_lvmetad_systemd_red_hat.service scripts/lvm2_monitoring_init_red_hat scripts/dm_event_systemd_red_hat.service scripts/lvm2_monitoring_systemd_red_hat.service scripts/lvm2_tmpfiles_red_hat.conf scripts/Makefile test/Makefile test/api/Makefile test/unit/Makefile tools/Makefile udev/Makefile unit-tests/datastruct/Makefile unit-tests/regex/Makefile unit-tests/mm/Makefile"
cat >confcache <<\_ACEOF
# This file is a shell script that caches the results of configure
"unit-tests/datastruct/Makefile") CONFIG_FILES="$CONFIG_FILES unit-tests/datastruct/Makefile" ;;
"unit-tests/regex/Makefile") CONFIG_FILES="$CONFIG_FILES unit-tests/regex/Makefile" ;;
"unit-tests/mm/Makefile") CONFIG_FILES="$CONFIG_FILES unit-tests/mm/Makefile" ;;
- "verity/Makefile") CONFIG_FILES="$CONFIG_FILES verity/Makefile" ;;
*) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
esac
+++ /dev/null
-/*
- * veritysetup
- *
- * (C) 2012 Red Hat Inc.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License v.2.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/*
- * Compile flags to use a specific crypto library:
- * openssl: -lpopt -DCRYPT_OPENSSL -lcrypto
- * nss: -lpopt -DCRYPT_NSS -I/usr/include/nspr/ -I/usr/include/nss -lnss3
- * gcrypt: -lpopt -DCRYPT_GCRYPT -lgcrypt -lgpg-error
- */
-
-#define _FILE_OFFSET_BITS 64
-
-#ifdef HAVE_CONFIG_H
-# include "configure.h"
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdarg.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <sys/mount.h>
-#include <arpa/inet.h>
-#include <popt.h>
-
-#ifdef CRYPT_OPENSSL
-# include <openssl/evp.h>
-# include <openssl/rand.h>
-#elif defined(CRYPT_GCRYPT)
-# include <gcrypt.h>
-#elif defined(CRYPT_NSS)
-# include <nss.h>
-# include <sechash.h>
-# include <pk11pub.h>
-#endif
-
-#if !defined(CRYPT_OPENSSL) && !defined(CRYPT_GCRYPT) && !defined(CRYPT_NSS)
-#error No crypto engine specified
-#endif
-
-#define DEFAULT_BLOCK_SIZE 4096
-#define DM_VERITY_MAX_LEVELS 63
-
-#define DEFAULT_SALT_SIZE 32
-#define MAX_SALT_SIZE 384
-
-#define MODE_VERIFY 0
-#define MODE_CREATE 1
-#define MODE_ACTIVATE 2
-
-#define MAX_FORMAT_VERSION 1
-
-static int mode = -1;
-static int use_superblock = 1;
-
-static const char *dm_device;
-static const char *data_device;
-static const char *hash_device;
-static const char *hash_algorithm = NULL;
-static const char *root_hash;
-
-static int version = -1;
-static int data_block_size = 0;
-static int hash_block_size = 0;
-static char *data_blocks_string = NULL;
-static long long data_blocks = 0;
-static char *hash_start_string = NULL;
-static long long hash_start = 0;
-static const char *salt_string = NULL;
-
-static FILE *data_file;
-static FILE *hash_file;
-
-static off_t data_file_blocks;
-static off_t hash_file_blocks;
-static off_t used_hash_blocks;
-
-static unsigned char *root_hash_bytes;
-static unsigned char *calculated_digest;
-
-static unsigned char *salt_bytes;
-static unsigned salt_size;
-
-static unsigned digest_size;
-static unsigned char digest_size_bits;
-static unsigned char levels;
-static unsigned char hash_per_block_bits;
-
-static off_t hash_level_block[DM_VERITY_MAX_LEVELS];
-static off_t hash_level_size[DM_VERITY_MAX_LEVELS];
-
-static off_t superblock_position;
-
-static int retval = 0;
-
-struct superblock {
- uint8_t signature[8];
- uint8_t version;
- uint8_t data_block_bits;
- uint8_t hash_block_bits;
- uint8_t pad1[1];
- uint16_t salt_size;
- uint8_t pad2[2];
- uint32_t data_blocks_hi;
- uint32_t data_blocks_lo;
- uint8_t algorithm[16];
- uint8_t salt[MAX_SALT_SIZE];
- uint8_t pad3[88];
-};
-
-#define DM_VERITY_SIGNATURE "verity\0\0"
-#define DM_VERITY_VERSION 0
-
-#if defined(__GNUC__) && __GNUC__ >= 2
- __attribute__((__noreturn__))
-#endif
-static void help(poptContext popt_context,
- enum poptCallbackReason reason,
- struct poptOption *key,
- const char *arg,
- void *data)
-{
- if (!strcmp(key->longName, "help")) {
- poptPrintHelp(popt_context, stdout, 0);
- } else {
- printf("veritysetup");
-#ifdef DM_LIB_VERSION
- printf(", device mapper version %s", DM_LIB_VERSION);
-#endif
- printf("\n");
- }
- exit(0);
-}
-
-static struct poptOption popt_help_options[] = {
- { NULL, 0, POPT_ARG_CALLBACK, help, 0, NULL, NULL },
- { "help", 'h', POPT_ARG_NONE, NULL, 0, "Show help", NULL },
- { "version", 0, POPT_ARG_NONE, NULL, 0, "Show version", NULL },
- POPT_TABLEEND
-};
-
-static struct poptOption popt_options[] = {
- { NULL, '\0', POPT_ARG_INCLUDE_TABLE, popt_help_options, 0, NULL, NULL },
- { "create", 'c', POPT_ARG_VAL, &mode, MODE_CREATE, "Create hash", NULL },
- { "verify", 'v', POPT_ARG_VAL, &mode, MODE_VERIFY, "Verify integrity", NULL },
- { "activate", 'a', POPT_ARG_VAL, &mode, MODE_ACTIVATE, "Activate the device", NULL },
- { "no-superblock", 0, POPT_ARG_VAL, &use_superblock, 0, "Do not create/use superblock" },
- { "format", 0, POPT_ARG_INT, &version, 0, "Format version (1 - normal format, 0 - original Chromium OS format)", "number" },
- { "data-block-size", 0, POPT_ARG_INT, &data_block_size, 0, "Block size on the data device", "bytes" },
- { "hash-block-size", 0, POPT_ARG_INT, &hash_block_size, 0, "Block size on the hash device", "bytes" },
- { "data-blocks", 0, POPT_ARG_STRING, &data_blocks_string, 0, "The number of blocks in the data file", "blocks" },
- { "hash-start", 0, POPT_ARG_STRING, &hash_start_string, 0, "Starting block on the hash device", "512-byte sectors" },
- { "algorithm", 0, POPT_ARG_STRING, &hash_algorithm, 0, "Hash algorithm (default sha256)", "string" },
- { "salt", 0, POPT_ARG_STRING, &salt_string, 0, "Salt", "hex string" },
- POPT_TABLEEND
-};
-
-#if defined(__GNUC__) && __GNUC__ >= 2
- __attribute__((__format__(__printf__, 1, 2), __noreturn__))
-#endif
-static void exit_err(const char *msg, ...)
-{
- va_list args;
- va_start(args, msg);
- vfprintf(stderr, msg, args);
- va_end(args);
- fputc('\n', stderr);
- exit(2);
-}
-
-#if defined(__GNUC__) && __GNUC__ >= 2
- __attribute__((__noreturn__))
-#endif
-static void stream_err(FILE *f, const char *msg)
-{
- if (ferror(f)) {
- perror(msg);
- exit(2);
- } else if (feof(f)) {
- exit_err("eof on %s", msg);
- } else {
- exit_err("unknown error on %s", msg);
- }
-}
-
-static void *xmalloc(size_t s)
-{
- void *ptr = malloc(!s ? 1 : s);
- if (!ptr) exit_err("out of memory");
- return ptr;
-}
-
-static char *xstrdup(const char *str)
-{
- return strcpy(xmalloc(strlen(str) + 1), str);
-}
-
-static char *xprint(unsigned long long num)
-{
- size_t s = snprintf(NULL, 0, "%llu", num);
- char *p = xmalloc(s + 1);
- snprintf(p, s + 1, "%llu", num);
- return p;
-}
-
-static char *xhexprint(unsigned char *bytes, size_t len)
-{
- size_t i;
- char *p = xmalloc(len * 2 + 1);
- p[0] = 0;
- for (i = 0; i < len; i++)
- snprintf(p + i * 2, 3, "%02x", bytes[i]);
- return p;
-}
-
-static off_t get_size(FILE *f, const char *name)
-{
- struct stat st;
- int h = fileno(f);
- if (h < 0) {
- perror("fileno");
- exit(2);
- }
- if (fstat(h, &st)) {
- perror("fstat");
- exit(2);
- }
- if (S_ISREG(st.st_mode)) {
- return st.st_size;
- } else if (S_ISBLK(st.st_mode)) {
- unsigned long long size64;
- unsigned long sizeul;
- if (!ioctl(h, BLKGETSIZE64, &size64)) {
- return_size64:
- if ((off_t)size64 < 0 || (off_t)size64 != size64) {
- size_overflow:
- exit_err("%s: device size overflow", name);
- }
- return size64;
- }
- if (!ioctl(h, BLKGETSIZE, &sizeul)) {
- size64 = (unsigned long long)sizeul * 512;
- if (size64 / 512 != sizeul) goto size_overflow;
- goto return_size64;
- }
- perror("BLKGETSIZE");
- exit(2);
- } else {
- exit_err("%s is not a file or a block device", name);
- }
- return -1; /* never reached, shut up warning */
-}
-
-static void block_fseek(FILE *f, off_t block, int block_size)
-{
- unsigned long long pos = (unsigned long long)block * block_size;
- if (pos / block_size != block ||
- (off_t)pos < 0 ||
- (off_t)pos != pos)
- exit_err("seek position overflow");
- if (fseeko(f, pos, SEEK_SET)) {
- perror("fseek");
- exit(2);
- }
-}
-
-
-#ifdef CRYPT_OPENSSL
-
-static const EVP_MD *evp;
-
-static int hash_init(const char *name)
-{
- OpenSSL_add_all_digests();
- evp = EVP_get_digestbyname(name);
- if (!evp)
- return 0;
- return EVP_MD_size(evp);
-}
-
-typedef EVP_MD_CTX hash_context;
-
-static void hash_context_init(hash_context *ctx)
-{
- EVP_MD_CTX_init(ctx);
-}
-
-static void hash_context_reset(hash_context *ctx)
-{
- if (EVP_DigestInit_ex(ctx, evp, NULL) != 1)
- exit_err("EVP_DigestInit_ex failed");
-}
-
-static void hash_context_update(hash_context *ctx, unsigned char *data, size_t len)
-{
- if (EVP_DigestUpdate(ctx, data, len) != 1)
- exit_err("EVP_DigestUpdate failed");
-}
-
-static void hash_context_final(hash_context *ctx, unsigned char *digest)
-{
- if (EVP_DigestFinal_ex(ctx, digest, NULL) != 1)
- exit_err("EVP_DigestFinal_ex failed");
-}
-
-static void hash_context_destroy(hash_context *ctx)
-{
- if (EVP_MD_CTX_cleanup(ctx) != 1)
- exit_err("EVP_MD_CTX_cleanup failed");
-}
-
-static void crypto_rand_bytes(unsigned char *data, size_t len)
-{
- if (RAND_bytes(data, len) != 1)
- exit_err("RAND_bytes failed");
-}
-
-#elif defined(CRYPT_GCRYPT)
-
-static int gcrypt_id;
-
-static int hash_init(const char *name)
-{
- retry:
- gcrypt_id = gcry_md_map_name(name);
- if (!gcrypt_id) {
- if (!strcmp(name, "wp512")) {
- name = "whirlpool";
- goto retry;
- }
- if (!strcmp(name, "rmd160")) {
- name = "ripemd160";
- goto retry;
- }
- return 0;
- }
- return gcry_md_get_algo_dlen(gcrypt_id);
-}
-
-typedef gcry_md_hd_t hash_context;
-
-static void hash_context_init(hash_context *ctx)
-{
- if (gcry_md_open(ctx, gcrypt_id, 0))
- exit_err("gcry_md_open failed");
-}
-
-static void hash_context_reset(hash_context *ctx)
-{
- gcry_md_reset(*ctx);
-}
-
-static void hash_context_update(hash_context *ctx, unsigned char *data, size_t len)
-{
- gcry_md_write(*ctx, data, len);
-}
-
-static void hash_context_final(hash_context *ctx, unsigned char *digest)
-{
- unsigned char *p = gcry_md_read(*ctx, gcrypt_id);
- memcpy(digest, p, gcry_md_get_algo_dlen(gcrypt_id));
-}
-
-static void hash_context_destroy(hash_context *ctx)
-{
- gcry_md_close(*ctx);
-}
-
-static void crypto_rand_bytes(unsigned char *data, size_t len)
-{
- gcry_randomize(data, len, GCRY_STRONG_RANDOM);
-}
-
-#elif defined(CRYPT_NSS)
-
-static HASH_HashType nss_alg;
-
-static int hash_init(const char *name)
-{
- if (NSS_NoDB_Init(NULL) != SECSuccess)
- exit_err("NSS_Init failed");
- if (!strcmp(name, "md2"))
- nss_alg = HASH_AlgMD2;
- else if (!strcmp(name, "md5"))
- nss_alg = HASH_AlgMD5;
- else if (!strcmp(name, "sha1"))
- nss_alg = HASH_AlgSHA1;
- else if (!strcmp(name, "sha256"))
- nss_alg = HASH_AlgSHA256;
- else if (!strcmp(name, "sha384"))
- nss_alg = HASH_AlgSHA384;
- else if (!strcmp(name, "sha512"))
- nss_alg = HASH_AlgSHA512;
- else
- return 0;
-
- return HASH_ResultLen(nss_alg);
-}
-
-typedef HASHContext *hash_context;
-
-static void hash_context_init(hash_context *ctx)
-{
- *ctx = HASH_Create(nss_alg);
- if (!*ctx)
- exit_err("HASH_Create failed");
-}
-
-static void hash_context_reset(hash_context *ctx)
-{
- HASH_Begin(*ctx);
-}
-
-static void hash_context_update(hash_context *ctx, unsigned char *data, size_t len)
-{
- HASH_Update(*ctx, data, len);
-}
-
-static void hash_context_final(hash_context *ctx, unsigned char *digest)
-{
- unsigned result_len;
- HASH_End(*ctx, digest, &result_len, HASH_ResultLen(nss_alg));
-}
-
-static void hash_context_destroy(hash_context *ctx)
-{
- HASH_Destroy(*ctx);
-}
-
-static void crypto_rand_bytes(unsigned char *data, size_t len)
-{
- if (PK11_GenerateRandom(data, len) != SECSuccess)
- exit_err("PK11_GenerateRandom failed");
-}
-
-#endif
-
-
-static off_t verity_position_at_level(off_t block, int level)
-{
- return block >> (level * hash_per_block_bits);
-}
-
-static void calculate_positions(void)
-{
- unsigned long long hash_position;
- int i;
-
- digest_size_bits = 0;
- while (1 << digest_size_bits < digest_size)
- digest_size_bits++;
- hash_per_block_bits = 0;
- while (((hash_block_size / digest_size) >> hash_per_block_bits) > 1)
- hash_per_block_bits++;
- if (!hash_per_block_bits)
- exit_err("at least two hashes must fit in a hash file block");
- levels = 0;
-
- if (data_file_blocks) {
- while (hash_per_block_bits * levels < 64 &&
- (unsigned long long)(data_file_blocks - 1) >>
- (hash_per_block_bits * levels))
- levels++;
- }
-
- if (levels > DM_VERITY_MAX_LEVELS)
- exit_err("too many tree levels");
-
- hash_position = hash_start * 512 / hash_block_size;
- for (i = levels - 1; i >= 0; i--) {
- off_t s;
- hash_level_block[i] = hash_position;
- s = verity_position_at_level(data_file_blocks, i);
- s = (s >> hash_per_block_bits) +
- !!(s & ((1 << hash_per_block_bits) - 1));
- hash_level_size[i] = s;
- if (hash_position + s < hash_position ||
- (off_t)(hash_position + s) < 0 ||
- (off_t)(hash_position + s) != hash_position + s)
- exit_err("hash device offset overflow");
- hash_position += s;
- }
- used_hash_blocks = hash_position;
-}
-
-static void create_or_verify_zero(FILE *wr, unsigned char *left_block, unsigned left_bytes)
-{
- if (left_bytes) {
- if (mode != MODE_CREATE) {
- unsigned x;
- if (fread(left_block, left_bytes, 1, wr) != 1)
- stream_err(wr, "read");
- for (x = 0; x < left_bytes; x++) if (left_block[x]) {
- retval = 1;
- fprintf(stderr, "spare area is not zeroed at position %lld\n", (long long)ftello(wr) - left_bytes);
- }
- } else {
- if (fwrite(left_block, left_bytes, 1, wr) != 1)
- stream_err(wr, "write");
- }
- }
-}
-
-static void create_or_verify_stream(FILE *rd, FILE *wr, int block_size, off_t blocks)
-{
- unsigned char *left_block = xmalloc(hash_block_size);
- unsigned char *data_buffer = xmalloc(block_size);
- unsigned char *read_digest = mode != MODE_CREATE ? xmalloc(digest_size) : NULL;
- off_t blocks_to_write = (blocks >> hash_per_block_bits) +
- !!(blocks & ((1 << hash_per_block_bits) - 1));
- hash_context ctx;
- hash_context_init(&ctx);
- memset(left_block, 0, hash_block_size);
- while (blocks_to_write--) {
- unsigned x;
- unsigned left_bytes = hash_block_size;
- for (x = 0; x < 1 << hash_per_block_bits; x++) {
- if (!blocks)
- break;
- blocks--;
- if (fread(data_buffer, block_size, 1, rd) != 1)
- stream_err(rd, "read");
- hash_context_reset(&ctx);
- if (version >= 1) {
- hash_context_update(&ctx, salt_bytes, salt_size);
- }
- hash_context_update(&ctx, data_buffer, block_size);
- if (!version) {
- hash_context_update(&ctx, salt_bytes, salt_size);
- }
- hash_context_final(&ctx, calculated_digest);
- if (!wr)
- break;
- if (mode != MODE_CREATE) {
- if (fread(read_digest, digest_size, 1, wr) != 1)
- stream_err(wr, "read");
- if (memcmp(read_digest, calculated_digest, digest_size)) {
- retval = 1;
- fprintf(stderr, "verification failed at position %lld in %s file\n", (long long)ftello(rd) - block_size, rd == data_file ? "data" : "metadata");
- }
- } else {
- if (fwrite(calculated_digest, digest_size, 1, wr) != 1)
- stream_err(wr, "write");
- }
- if (!version) {
- left_bytes -= digest_size;
- } else {
- create_or_verify_zero(wr, left_block, (1 << digest_size_bits) - digest_size);
- left_bytes -= 1 << digest_size_bits;
- }
- }
- if (wr)
- create_or_verify_zero(wr, left_block, left_bytes);
- }
- if (mode == MODE_CREATE && wr) {
- if (fflush(wr)) {
- perror("fflush");
- exit(1);
- }
- if (ferror(wr)) {
- stream_err(wr, "write");
- }
- }
- hash_context_destroy(&ctx);
- free(left_block);
- free(data_buffer);
- if (mode != MODE_CREATE)
- free(read_digest);
-}
-
-static char **make_target_line(void)
-{
- const int line_elements = 14;
- char **line = xmalloc(line_elements * sizeof(char *));
- int i = 0;
- char *algorithm_copy = xstrdup(hash_algorithm);
- /* transform ripemdXXX to rmdXXX */
- if (!strncmp(algorithm_copy, "ripemd", 6))
- memmove(algorithm_copy + 1, algorithm_copy + 4, strlen(algorithm_copy + 4) + 1);
- if (!strcmp(algorithm_copy, "whirlpool"))
- strcpy(algorithm_copy, "wp512");
- line[i++] = xstrdup("0");
- line[i++] = xprint((unsigned long long)data_file_blocks * data_block_size / 512);
- line[i++] = xstrdup("verity");
- line[i++] = xprint(version);
- line[i++] = xstrdup(data_device);
- line[i++] = xstrdup(hash_device);
- line[i++] = xprint(data_block_size);
- line[i++] = xprint(hash_block_size);
- line[i++] = xprint(data_file_blocks);
- line[i++] = xprint(hash_start * 512 / hash_block_size);
- line[i++] = algorithm_copy;
- line[i++] = xhexprint(calculated_digest, digest_size);
- line[i++] = !salt_size ? xstrdup("-") : xhexprint(salt_bytes, salt_size);
- line[i++] = NULL;
- if (i > line_elements)
- exit_err("INTERNAL ERROR: insufficient array size");
- return line;
-}
-
-static void free_target_line(char **line)
-{
- int i;
- for (i = 0; line[i]; i++)
- free(line[i]);
- free(line);
-}
-
-static void create_or_verify(void)
-{
- int i;
-
- memset(calculated_digest, 0, digest_size);
- if (mode != MODE_ACTIVATE)
- for (i = 0; i < levels; i++) {
- block_fseek(hash_file, hash_level_block[i], hash_block_size);
- if (!i) {
- block_fseek(data_file, 0, data_block_size);
- create_or_verify_stream(data_file, hash_file, data_block_size, data_file_blocks);
- } else {
- FILE *hash_file_2 = fopen(hash_device, "r");
- if (!hash_file_2) {
- perror(hash_device);
- exit(2);
- }
- block_fseek(hash_file_2, hash_level_block[i - 1], hash_block_size);
- create_or_verify_stream(hash_file_2, hash_file, hash_block_size, hash_level_size[i - 1]);
- fclose(hash_file_2);
- }
- }
-
- if (levels) {
- block_fseek(hash_file, hash_level_block[levels - 1], hash_block_size);
- create_or_verify_stream(hash_file, NULL, hash_block_size, 1);
- } else {
- block_fseek(data_file, 0, data_block_size);
- create_or_verify_stream(data_file, NULL, data_block_size, data_file_blocks);
- }
-
- if (mode != MODE_CREATE) {
- if (memcmp(calculated_digest, root_hash_bytes, digest_size)) {
- fprintf(stderr, "verification failed in the root block\n");
- retval = 1;
- }
- if (!retval && mode == MODE_VERIFY)
- fprintf(stderr, "hash successfully verified\n");
- } else {
- char **target_line;
- char *p;
- if (fsync(fileno(hash_file))) {
- perror("fsync");
- exit(1);
- }
- printf("hash device size: %llu\n", (unsigned long long)used_hash_blocks * hash_block_size);
- printf("data block size %u, hash block size %u, %u tree levels\n", data_block_size, hash_block_size, levels);
- if (salt_size)
- p = xhexprint(salt_bytes, salt_size);
- else
- p = xstrdup("-");
- printf("salt: %s\n", p);
- free(p);
- p = xhexprint(calculated_digest, digest_size);
- printf("root hash: %s\n", p);
- free(p);
- printf("target line:");
- target_line = make_target_line();
- for (i = 0; target_line[i]; i++)
- printf(" %s", target_line[i]);
- free_target_line(target_line);
- printf("\n");
- }
-}
-
-#if defined(__GNUC__) && __GNUC__ >= 2
- __attribute__((__noreturn__))
-#endif
-static void activate(void)
-{
- int i;
- size_t len = 1;
- char *table_arg;
- char **target_line = make_target_line();
- for (i = 0; target_line[i]; i++) {
- if (i)
- len++;
- len += strlen(target_line[i]);
- }
- table_arg = xmalloc(len);
- table_arg[0] = 0;
- for (i = 0; target_line[i]; i++) {
- if (i)
- strcat(table_arg, " ");
- strcat(table_arg, target_line[i]);
- }
- free_target_line(target_line);
- execlp("dmsetup", "dmsetup", "-r", "create", dm_device, "--table", table_arg, NULL);
- perror("dmsetup");
- exit(2);
-}
-
-static void get_hex(const char *string, unsigned char **result, size_t len, const char *description)
-{
- size_t rl = strlen(string);
- unsigned u;
- if (strspn(string, "0123456789ABCDEFabcdef") != rl)
- exit_err("invalid %s", description);
- if (rl != len * 2)
- exit_err("invalid length of %s", description);
- *result = xmalloc(len);
- memset(*result, 0, len);
- for (u = 0; u < rl; u++) {
- unsigned char c = (string[u] & 15) + (string[u] > '9' ? 9 : 0);
- (*result)[u / 2] |= c << (((u & 1) ^ 1) << 2);
- }
-}
-
-static struct superblock superblock;
-
-static void load_superblock(void)
-{
- long long sb_data_blocks;
-
- block_fseek(hash_file, superblock_position, 1);
- if (fread(&superblock, sizeof(struct superblock), 1, hash_file) != 1)
- stream_err(hash_file, "read");
- if (memcmp(superblock.signature, DM_VERITY_SIGNATURE, sizeof(superblock.signature)))
- exit_err("superblock not found on the hash device");
- if (superblock.version > MAX_FORMAT_VERSION)
- exit_err("unknown version");
- if (superblock.data_block_bits < 9 || superblock.data_block_bits >= 31)
- exit_err("invalid data_block_bits in the superblock");
- if (superblock.hash_block_bits < 9 || superblock.hash_block_bits >= 31)
- exit_err("invalid data_block_bits in the superblock");
- sb_data_blocks = ((unsigned long long)ntohl(superblock.data_blocks_hi) << 31 << 1) | ntohl(superblock.data_blocks_lo);
- if (sb_data_blocks < 0 || (off_t)sb_data_blocks < 0 || (off_t)sb_data_blocks != sb_data_blocks)
- exit_err("invalid data blocks in the superblock");
- if (!memchr(superblock.algorithm, 0, sizeof(superblock.algorithm)))
- exit_err("invalid hash algorithm in the superblock");
- if (ntohs(superblock.salt_size) > MAX_SALT_SIZE)
- exit_err("invalid salt_size in the superblock");
-
- if (version == -1) {
- version = superblock.version;
- } else {
- if (version != superblock.version)
- exit_err("version (%d) does not match superblock value (%d)", version, superblock.version);
- }
-
- if (!data_block_size) {
- data_block_size = 1 << superblock.data_block_bits;
- } else {
- if (data_block_size != 1 << superblock.data_block_bits)
- exit_err("data block size (%d) does not match superblock value (%d)", data_block_size, 1 << superblock.data_block_bits);
- }
-
- if (!hash_block_size) {
- hash_block_size = 1 << superblock.hash_block_bits;
- } else {
- if (hash_block_size != 1 << superblock.hash_block_bits)
- exit_err("hash block size (%d) does not match superblock value (%d)", hash_block_size, 1 << superblock.hash_block_bits);
- }
-
- if (!data_blocks_string) {
- data_blocks = sb_data_blocks;
- data_blocks_string = (char *)"";
- } else {
- if (data_blocks != sb_data_blocks)
- exit_err("data blocks (%lld) does not match superblock value (%lld)", data_blocks, sb_data_blocks);
- }
-
- if (!hash_algorithm) {
- hash_algorithm = (char *)superblock.algorithm;
- } else {
- if (strcmp(hash_algorithm, (char *)superblock.algorithm))
- exit_err("hash algorithm (%s) does not match superblock value (%s)", hash_algorithm, superblock.algorithm);
- }
-
- if (!salt_bytes) {
- salt_size = ntohs(superblock.salt_size);
- salt_bytes = xmalloc(salt_size);
- memcpy(salt_bytes, superblock.salt, salt_size);
- } else {
- if (salt_size != ntohs(superblock.salt_size) ||
- memcmp(salt_bytes, superblock.salt, salt_size))
- exit_err("salt does not match superblock value");
- }
-}
-
-static void save_superblock(void)
-{
- memset(&superblock, 0, sizeof(struct superblock));
-
- memcpy(&superblock.signature, DM_VERITY_SIGNATURE, sizeof(superblock.signature));
- superblock.version = version;
- superblock.data_block_bits = ffs(data_block_size) - 1;
- superblock.hash_block_bits = ffs(hash_block_size) - 1;
- superblock.salt_size = htons(salt_size);
- superblock.data_blocks_hi = htonl(data_file_blocks >> 31 >> 1);
- superblock.data_blocks_lo = htonl(data_file_blocks & 0xFFFFFFFF);
- strncpy((char *)superblock.algorithm, hash_algorithm, sizeof superblock.algorithm);
- memcpy(superblock.salt, salt_bytes, salt_size);
-
- block_fseek(hash_file, superblock_position, 1);
- if (fwrite(&superblock, sizeof(struct superblock), 1, hash_file) != 1)
- stream_err(hash_file, "write");
-}
-
-int main(int argc, const char **argv)
-{
- poptContext popt_context;
- int r;
- const char *s;
- char *end;
-
- if (sizeof(struct superblock) != 512)
- exit_err("INTERNAL ERROR: bad superblock size %ld", (long)sizeof(struct superblock));
-
- popt_context = poptGetContext("verity", argc, argv, popt_options, 0);
-
- poptSetOtherOptionHelp(popt_context, "[-c | -v | -a] [<device name> if activating] <data device> <hash device> [<root hash> if activating or verifying] [OPTION...]");
-
- if (argc <= 1) {
- poptPrintHelp(popt_context, stdout, 0);
- exit(1);
- }
-
- r = poptGetNextOpt(popt_context);
- if (r < -1)
- exit_err("bad option %s", poptBadOption(popt_context, 0));
-
- if (mode < 0)
- exit_err("verify, create or activate mode not specified");
-
- if (mode == MODE_ACTIVATE) {
- dm_device = poptGetArg(popt_context);
- if (!dm_device)
- exit_err("device name is missing");
- if (!*dm_device || strchr(dm_device, '/'))
- exit_err("invalid device name to activate");
- }
-
- data_device = poptGetArg(popt_context);
- if (!data_device)
- exit_err("data device is missing");
-
- hash_device = poptGetArg(popt_context);
- if (!hash_device)
- exit_err("metadata device is missing");
-
- if (mode != MODE_CREATE) {
- root_hash = poptGetArg(popt_context);
- if (!root_hash)
- exit_err("root hash not specified");
- }
-
- s = poptGetArg(popt_context);
- if (s)
- exit_err("extra argument %s", s);
-
- data_file = fopen(data_device, "r");
- if (!data_file) {
- perror(data_device);
- exit(2);
- }
-
- hash_file = fopen(hash_device, mode != MODE_CREATE ? "r" : "r+");
- if (!hash_file && errno == ENOENT && mode == MODE_CREATE)
- hash_file = fopen(hash_device, "w+");
- if (!hash_file) {
- perror(hash_device);
- exit(2);
- }
-
- if (data_blocks_string) {
- data_blocks = strtoll(data_blocks_string, &end, 10);
- if (!*data_blocks_string || *end)
- exit_err("invalid number of data blocks");
- }
-
- if (hash_start_string) {
- hash_start = strtoll(hash_start_string, &end, 10);
- if (!*hash_start_string || *end)
- exit_err("invalid hash start");
- }
-
- if (hash_start < 0 ||
- (unsigned long long)hash_start * 512 / 512 != hash_start ||
- (off_t)(hash_start * 512) < 0 ||
- (off_t)(hash_start * 512) != hash_start * 512) exit_err("invalid hash start");
-
- if (salt_string || !use_superblock) {
- if (!salt_string || !strcmp(salt_string, "-"))
- salt_string = "";
- salt_size = strlen(salt_string) / 2;
- if (salt_size > MAX_SALT_SIZE)
- exit_err("too long salt (max %d bytes)", MAX_SALT_SIZE);
- get_hex(salt_string, &salt_bytes, salt_size, "salt");
- }
-
- if (use_superblock) {
- superblock_position = hash_start * 512;
- if (mode != MODE_CREATE)
- load_superblock();
- }
-
- if (version == -1)
- version = MAX_FORMAT_VERSION;
- if (version < 0 || version > MAX_FORMAT_VERSION)
- exit_err("invalid format version");
-
- if (!data_block_size)
- data_block_size = DEFAULT_BLOCK_SIZE;
- if (!hash_block_size)
- hash_block_size = data_block_size;
-
- if (data_block_size < 512 || (data_block_size & (data_block_size - 1)) || data_block_size >= 1U << 31)
- exit_err("invalid data block size");
-
- if (hash_block_size < 512 || (hash_block_size & (hash_block_size - 1)) || hash_block_size >= 1U << 31)
- exit_err("invalid hash block size");
-
- if (data_blocks < 0 || (off_t)data_blocks < 0 || (off_t)data_blocks != data_blocks)
- exit_err("invalid number of data blocks");
-
- data_file_blocks = get_size(data_file, data_device) / data_block_size;
- hash_file_blocks = get_size(hash_file, hash_device) / hash_block_size;
-
- if (data_file_blocks < data_blocks)
- exit_err("data file is too small");
- if (data_blocks_string)
- data_file_blocks = data_blocks;
-
- if (use_superblock) {
- hash_start = hash_start + (sizeof(struct superblock) + 511) / 512;
- hash_start = (hash_start + (hash_block_size / 512 - 1)) & ~(long long)(hash_block_size / 512 - 1);
- }
-
- if ((unsigned long long)hash_start * 512 % hash_block_size)
- exit_err("hash start not aligned on block size");
-
- if (!hash_algorithm)
- hash_algorithm = "sha256";
- if (strlen(hash_algorithm) >= sizeof(superblock.algorithm) && use_superblock)
- exit_err("hash algorithm name is too long");
-
- digest_size = hash_init(hash_algorithm);
- if (!digest_size) exit_err("hash algorithm %s not found", hash_algorithm);
-
- if (!salt_bytes) {
- salt_size = DEFAULT_SALT_SIZE;
- salt_bytes = xmalloc(salt_size);
- crypto_rand_bytes(salt_bytes, salt_size);
- }
-
- calculated_digest = xmalloc(digest_size);
-
- if (mode != MODE_CREATE) {
- get_hex(root_hash, &root_hash_bytes, digest_size, "root_hash");
- }
-
- calculate_positions();
-
- create_or_verify();
-
- if (use_superblock) {
- if (mode == MODE_CREATE)
- save_superblock();
- }
-
- fclose(data_file);
- fclose(hash_file);
-
- if (mode == MODE_ACTIVATE && !retval)
- activate();
-
- free(salt_bytes);
- free(calculated_digest);
- if (mode != MODE_CREATE)
- free(root_hash_bytes);
- poptFreeContext(popt_context);
-
- return retval;
-}
git://sourceware.org / lvm2.git / commitdiff