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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* cryptsetup LUKS1, FileVault, BitLocker fuzz target
*/
extern "C" {
#define FILESIZE (16777216)
#include "src/cryptsetup.h"
#include <err.h>
#include "luks1/luks.h"
#include "crypto_backend/crypto_backend.h"
#include "FuzzerInterface.h"
void empty_log(int level, const char *msg, void *usrptr) {}
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
int fd, r;
struct crypt_device *cd = NULL;
char name[] = "/tmp/test-script-fuzz.XXXXXX";
fd = mkostemp(name, O_RDWR | O_CREAT | O_EXCL | O_CLOEXEC);
if (fd == -1)
err(EXIT_FAILURE, "mkostemp() failed");
/* enlarge header */
if (ftruncate(fd, FILESIZE) == -1)
goto out;
if (write_buffer(fd, data, size) != (ssize_t) size)
goto out;
crypt_set_log_callback(NULL, empty_log, NULL);
if (crypt_init(&cd, name) == 0) {
r = crypt_load(cd, CRYPT_LUKS1, NULL);
if (r == 0)
goto out;
r = crypt_load(cd, CRYPT_FVAULT2, NULL);
if (r == 0)
goto out;
(void) crypt_load(cd, CRYPT_BITLK, NULL);
}
out:
crypt_free(cd);
close(fd);
unlink(name);
return 0;
}
}
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