mirror of
https://gitlab.com/cryptsetup/cryptsetup.git
synced 2025-12-14 04:10:06 +01:00
50e8879528
* added fuzz target 'crypt2_load_ondisk_fuzz' that tries to load fuzz input as LUKS1, FileVault2, BitLocker in that order. * added dictionary for this fuzz target * added fuzz target to relevant files
65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
/*
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* cryptsetup LUKS1, FileVault, BitLocker fuzz target
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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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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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extern "C" {
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#define FILESIZE (16777216)
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#include "src/cryptsetup.h"
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#include <err.h>
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#include "luks1/luks.h"
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#include "crypto_backend/crypto_backend.h"
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#include "FuzzerInterface.h"
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void empty_log(int level, const char *msg, void *usrptr) {}
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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int fd, r;
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struct crypt_device *cd = NULL;
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char name[] = "/tmp/test-script-fuzz.XXXXXX";
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fd = mkostemp(name, O_RDWR | O_CREAT | O_EXCL | O_CLOEXEC);
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if (fd == -1)
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err(EXIT_FAILURE, "mkostemp() failed");
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/* enlarge header */
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if (ftruncate(fd, FILESIZE) == -1)
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goto out;
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if (write_buffer(fd, data, size) != (ssize_t) size)
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goto out;
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crypt_set_log_callback(NULL, empty_log, NULL);
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if (crypt_init(&cd, name) == 0) {
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r = crypt_load(cd, CRYPT_LUKS1, NULL);
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if (r == 0)
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goto out;
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r = crypt_load(cd, CRYPT_FVAULT2, NULL);
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if (r == 0)
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goto out;
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(void) crypt_load(cd, CRYPT_BITLK, NULL);
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}
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out:
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crypt_free(cd);
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close(fd);
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unlink(name);
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return 0;
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}
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}
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