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https://gitlab.com/cryptsetup/cryptsetup.git
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63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/*
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* FIPS mode utilities
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*
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* Copyright (C) 2011-2012, Red Hat, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include "libcryptsetup.h"
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#include "nls.h"
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#include "utils_fips.h"
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#include "config.h"
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#if !ENABLE_FIPS
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int crypt_fips_mode(void) { return 0; }
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void crypt_fips_libcryptsetup_check(struct crypt_device *cd) {}
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void crypt_fips_self_check(struct crypt_device *cd) {}
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#else
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#include <fipscheck.h>
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int crypt_fips_mode(void)
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{
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return FIPSCHECK_kernel_fips_mode();
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}
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static void crypt_fips_verify(struct crypt_device *cd,
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const char *name, const char *function)
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{
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if (!crypt_fips_mode())
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return;
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if (!FIPSCHECK_verify(name, function)) {
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crypt_log(cd, CRYPT_LOG_ERROR, _("FIPS checksum verification failed.\n"));
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_exit(EXIT_FAILURE);
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}
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crypt_log(cd, CRYPT_LOG_VERBOSE, _("Running in FIPS mode.\n"));
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}
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void crypt_fips_libcryptsetup_check(struct crypt_device *cd)
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{
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crypt_fips_verify(cd, LIBCRYPTSETUP_VERSION_FIPS, "crypt_init");
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}
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void crypt_fips_self_check(struct crypt_device *cd)
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{
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crypt_fips_verify(cd, NULL, NULL);
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}
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#endif /* ENABLE_FIPS */
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