/*
* cryptsetup library API check functions
*
- * Copyright (C) 2009-2012 Red Hat, Inc. All rights reserved.
- * Copyright (C) 2009-2012, Milan Broz
+ * Copyright (C) 2009-2013 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2009-2014, Milan Broz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
#include <linux/fs.h>
#include <errno.h>
#include <assert.h>
+#include <signal.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <libdevmapper.h>
static int _debug = 0;
static int _verbose = 1;
+static int _fips_mode = 0;
+
+static int _quit = 0;
static char global_log[4096];
static int global_lines = 0;
static char *DEVICE_1 = NULL;
static char *DEVICE_2 = NULL;
+static char *DEVICE_3 = NULL;
static char *THE_LOOP_DEV = NULL;
static char *tmp_file_1 = NULL;
return r;
}
+static int fips_mode(void)
+{
+ int fd;
+ char buf = 0;
+
+ if (access("/etc/system-fips", F_OK))
+ return 0;
+
+ fd = open("/proc/sys/crypto/fips_enabled", O_RDONLY);
+
+ if (fd < 0)
+ return 0;
+
+ if (read(fd, &buf, 1) != 1)
+ buf = '0';
+
+ close(fd);
+
+ return (buf == '1');
+}
+
static int get_luks_offsets(int metadata_device,
size_t keylength,
unsigned int alignpayload_sec,
{
int fd, r;
- fd = open(name, O_RDWR | O_CREAT | O_TRUNC, S_IRUSR);
+ fd = open(name, O_RDWR | O_CREAT | O_TRUNC, S_IRUSR|S_IWUSR);
if (fd != -1) {
r = write(fd, passphrase, size);
close(fd);
if (crypt_loop_device(DEVICE_2))
crypt_loop_detach(DEVICE_2);
+ if (crypt_loop_device(DEVICE_3))
+ crypt_loop_detach(DEVICE_3);
+
_system("rm -f " IMAGE_EMPTY, 0);
_system("rm -f " IMAGE1, 0);
free(THE_LOOP_DEV);
free(DEVICE_1);
free(DEVICE_2);
+ free(DEVICE_3);
}
static int _setup(void)
fd = crypt_loop_attach(DEVICE_2, IMAGE_EMPTY, 0, 0, &ro);
close(fd);
}
+ if (!DEVICE_3)
+ DEVICE_3 = crypt_loop_get_device();
+ if (!DEVICE_3) {
+ printf("Cannot find free loop device.\n");
+ return 1;
+ }
/* Keymaterial offset is less than 8 sectors */
_system(" [ ! -e " EVL_HEADER_1 " ] && bzip2 -dk " EVL_HEADER_1 ".bz2", 1);
/* keymaterial offset aims into payload area */
_system("modprobe dm-crypt", 0);
_system("modprobe dm-verity", 0);
+
+ _fips_mode = fips_mode();
+ if (_debug)
+ printf("FIPS MODE: %d\n", _fips_mode);
+
return 0;
}
else
printf(" [%s,%s:%d] %s\n", msg, func, line, tst);
}
+ if (_quit) {
+ if (_verbose)
+ printf("Interrupted by a signal.\n");
+ _cleanup();
+ exit(-1);
+ }
}
/* crypt_device context must be "cd" to parse error properly here */
#define FAIL_(x, y) do { xlog("(fail) ", #x, __FUNCTION__, __LINE__, y); \
check_ko((x), __LINE__, __FUNCTION__); \
} while(0)
-#define EQ_(x, y) do { xlog("(equal) ", #x " == " #y, __FUNCTION__, __LINE__, NULL); \
- int64_t _x = (x), _y = (y); \
+#define EQ_(x, y) do { int64_t _x = (x), _y = (y); \
+ xlog("(equal) ", #x " == " #y, __FUNCTION__, __LINE__, NULL); \
if (_x != _y) check_equal(__LINE__, __FUNCTION__, _x, _y); \
} while(0)
#define RUN_(x, y) do { printf("%s: %s\n", #x, (y)); x(); } while (0)
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
// retrieve volume key check
- memset(key2, 0, key_size);
- key_size--;
- // small buffer
- FAIL_(crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key2, &key_size, passphrase, strlen(passphrase)), "small buffer");
- key_size++;
- OK_(crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key2, &key_size, passphrase, strlen(passphrase)));
-
- OK_(memcmp(key, key2, key_size));
+ if (!_fips_mode) {
+ memset(key2, 0, key_size);
+ key_size--;
+ // small buffer
+ FAIL_(crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key2, &key_size, passphrase, strlen(passphrase)), "small buffer");
+ key_size++;
+ OK_(crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key2, &key_size, passphrase, strlen(passphrase)));
+
+ OK_(memcmp(key, key2, key_size));
+ }
OK_(strcmp(cipher, crypt_get_cipher(cd)));
OK_(strcmp(cipher_mode, crypt_get_cipher_mode(cd)));
EQ_((int)key_size, crypt_get_volume_key_size(cd));
EQ_((int)key_size, crypt_get_volume_key_size(cd));
EQ_(1032, crypt_get_data_offset(cd));
- EQ_(0, crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key, &key_size, KEY1, strlen(KEY1)));
- OK_(crypt_volume_key_verify(cd, key, key_size));
- OK_(crypt_activate_by_volume_key(cd, NULL, key, key_size, 0));
- OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0));
- EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
- OK_(crypt_deactivate(cd, CDEVICE_1));
-
- key[1] = ~key[1];
- FAIL_(crypt_volume_key_verify(cd, key, key_size), "key mismatch");
- FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0), "key mismatch");
+ if (!_fips_mode) {
+ EQ_(0, crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key, &key_size, KEY1, strlen(KEY1)));
+ OK_(crypt_volume_key_verify(cd, key, key_size));
+ OK_(crypt_activate_by_volume_key(cd, NULL, key, key_size, 0));
+ OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0));
+ EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
+ OK_(crypt_deactivate(cd, CDEVICE_1));
+
+ key[1] = ~key[1];
+ FAIL_(crypt_volume_key_verify(cd, key, key_size), "key mismatch");
+ FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0), "key mismatch");
+ }
crypt_free(cd);
}
suspend_status = crypt_suspend(cd, CDEVICE_1);
if (suspend_status == -ENOTSUP) {
printf("WARNING: Suspend/Resume not supported, skipping test.\n");
- goto out;
+ OK_(crypt_deactivate(cd, CDEVICE_1));
+ crypt_free(cd);
+ return;
}
+
OK_(suspend_status);
FAIL_(crypt_suspend(cd, CDEVICE_1), "already suspended");
FAIL_(crypt_resume_by_keyfile_offset(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 1, 0), "wrong key");
OK_(crypt_resume_by_keyfile_offset(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 0, 0));
FAIL_(crypt_resume_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 0), "not suspended");
- _remove_keyfiles();
-out:
OK_(crypt_deactivate(cd, CDEVICE_1));
crypt_free(cd);
+
+ /* create LUKS device with detached header */
+ OK_(crypt_init(&cd, DEVICE_1));
+ OK_(crypt_load(cd, CRYPT_LUKS1, NULL));
+ OK_(crypt_set_data_device(cd, DEVICE_2));
+ OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1), 0));
+ crypt_free(cd);
+
+ /* Should be able to suspend but not resume if not header specified */
+ OK_(crypt_init_by_name(&cd, CDEVICE_1));
+ OK_(crypt_suspend(cd, CDEVICE_1));
+ FAIL_(crypt_suspend(cd, CDEVICE_1), "already suspended");
+ FAIL_(crypt_resume_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1)-1), "no header");
+ crypt_free(cd);
+
+ OK_(crypt_init_by_name_and_header(&cd, CDEVICE_1, DEVICE_1));
+ OK_(crypt_resume_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1)));
+
+ OK_(crypt_deactivate(cd, CDEVICE_1));
+ crypt_free(cd);
+
+ _remove_keyfiles();
}
static void AddDeviceLuks(void)
OK_(crypt_init_by_name_and_header(&cd, CDEVICE_1, DMDIR H_DEVICE));
FAIL_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms), "Context is already formated");
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
+ crypt_free(cd);
+ // check active status without header
+ OK_(crypt_init_by_name_and_header(&cd, CDEVICE_1, NULL));
+ EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
+ OK_(!!crypt_get_type(cd));
+ OK_(strcmp(cipher, crypt_get_cipher(cd)));
+ OK_(strcmp(cipher_mode, crypt_get_cipher_mode(cd)));
+ EQ_((int)key_size, crypt_get_volume_key_size(cd));
OK_(crypt_deactivate(cd, CDEVICE_1));
crypt_free(cd);
EQ_(7, crypt_activate_by_passphrase(cd, NULL, 7, passphrase2, strlen(passphrase2), 0));
EQ_(6, crypt_keyslot_change_by_passphrase(cd, CRYPT_ANY_SLOT, 6, passphrase2, strlen(passphrase2), passphrase, strlen(passphrase)));
- EQ_(6, crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key2, &key_size, passphrase, strlen(passphrase)));
- OK_(crypt_volume_key_verify(cd, key2, key_size));
+ if (!_fips_mode) {
+ EQ_(6, crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key2, &key_size, passphrase, strlen(passphrase)));
+ OK_(crypt_volume_key_verify(cd, key2, key_size));
- OK_(memcmp(key, key2, key_size));
+ OK_(memcmp(key, key2, key_size));
+ }
OK_(strcmp(cipher, crypt_get_cipher(cd)));
OK_(strcmp(cipher_mode, crypt_get_cipher_mode(cd)));
EQ_((int)key_size, crypt_get_volume_key_size(cd));
// volume key_size mismatch
OK_(crypt_init(&cd, DMDIR L_DEVICE_OK));
- memcpy(key2, key, key_size - 1);
- OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key2, key_size - 1, ¶ms));
+ memcpy(key2, key, key_size / 2);
+ OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key2, key_size / 2, ¶ms));
FAIL_(crypt_header_restore(cd, CRYPT_LUKS1, VALID_HEADER), "Volume keysize mismatch");
crypt_free(cd);
.data_alignment = 2048,
};
char key[128];
+ int fd, ro = O_RDONLY;
const char *mk_hex = "bb21158c733229347bd4e681891e213d94c685be6a5b84818afe7a78a6de7a1a";
size_t key_size = strlen(mk_hex) / 2;
const char *cipher_mode = "cbc-essiv:sha256";
uint64_t r_payload_offset;
+ const char *passphrase = PASSPHRASE;
+
crypt_decode_key(key, mk_hex, key_size);
OK_(get_luks_offsets(0, key_size, params.data_alignment, 0, NULL, &r_payload_offset));
OK_(crypt_init(&cd, DMDIR L_DEVICE_OK));
OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms));
OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0));
+ EQ_(crypt_keyslot_add_by_volume_key(cd, 7, key, key_size, passphrase, strlen(passphrase)), 7);
+ EQ_(crypt_keyslot_add_by_volume_key(cd, 0, key, key_size, passphrase, strlen(passphrase)), 0);
OK_(crypt_header_backup(cd, CRYPT_LUKS1, BACKUP_FILE));
OK_(crypt_deactivate(cd, CDEVICE_1));
crypt_free(cd);
OK_(crypt_deactivate(cd, CDEVICE_1));
crypt_free(cd);
+ // exercise luksOpen using backup header in file
+ OK_(crypt_init(&cd, BACKUP_FILE));
+ OK_(crypt_load(cd, CRYPT_LUKS1, NULL));
+ OK_(crypt_set_data_device(cd, DMDIR L_DEVICE_OK));
+ EQ_(crypt_activate_by_passphrase(cd, CDEVICE_1, 0, passphrase, strlen(passphrase), 0), 0);
+ EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
+ OK_(crypt_deactivate(cd, CDEVICE_1));
+ crypt_free(cd);
+
+ OK_(crypt_init(&cd, BACKUP_FILE));
+ OK_(crypt_load(cd, CRYPT_LUKS1, NULL));
+ OK_(crypt_set_data_device(cd, DMDIR L_DEVICE_OK));
+ EQ_(crypt_activate_by_passphrase(cd, CDEVICE_1, 7, passphrase, strlen(passphrase), 0), 7);
+ EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
+ OK_(crypt_deactivate(cd, CDEVICE_1));
+ crypt_free(cd);
+
+ // exercise luksOpen using backup header on block device
+ fd = crypt_loop_attach(DEVICE_3, BACKUP_FILE, 0, 0, &ro);
+ close(fd);
+ OK_(fd < 0);
+ OK_(crypt_init(&cd, DEVICE_3));
+ OK_(crypt_load(cd, CRYPT_LUKS1, NULL));
+ OK_(crypt_set_data_device(cd, DMDIR L_DEVICE_OK));
+ EQ_(crypt_activate_by_passphrase(cd, CDEVICE_1, 0, passphrase, strlen(passphrase), 0), 0);
+ EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
+ OK_(crypt_deactivate(cd, CDEVICE_1));
+ crypt_free(cd);
+
+ OK_(crypt_init(&cd, DEVICE_3));
+ OK_(crypt_load(cd, CRYPT_LUKS1, NULL));
+ OK_(crypt_set_data_device(cd, DMDIR L_DEVICE_OK));
+ EQ_(crypt_activate_by_passphrase(cd, CDEVICE_1, 7, passphrase, strlen(passphrase), 0), 7);
+ EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
+ OK_(crypt_deactivate(cd, CDEVICE_1));
+ crypt_free(cd);
+
_cleanup_dmdevices();
}
};
double enc_mbr = 0, dec_mbr = 0;
const char *tcrypt_dev = "tcrypt-images/tck_5-sha512-xts-aes";
+ const char *tcrypt_dev2 = "tcrypt-images/tc_5-sha512-xts-serpent-twofish-aes";
size_t key_size = 64;
char key[key_size], key_def[key_size];
const char *key_hex =
EQ_(256, crypt_get_data_offset(cd));
memset(key, 0, key_size);
- key_size--;
- // small buffer
- FAIL_(crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key, &key_size, NULL, 0), "small buffer");
- key_size++;
- OK_(crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key, &key_size, NULL, 0));
- OK_(memcmp(key, key_def, key_size));
+ if (!_fips_mode) {
+ key_size--;
+ // small buffer
+ FAIL_(crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key, &key_size, NULL, 0), "small buffer");
+ key_size++;
+ OK_(crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key, &key_size, NULL, 0));
+ OK_(memcmp(key, key_def, key_size));
+ }
reset_log();
crypt_set_log_callback(cd, &new_log, NULL);
OK_(crypt_deactivate(cd, CDEVICE_1));
crypt_free(cd);
+
+ OK_(crypt_init(&cd, tcrypt_dev2));
+ params.keyfiles = NULL;
+ params.keyfiles_count = 0;
+ OK_(crypt_load(cd, CRYPT_TCRYPT, ¶ms));
+ OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, NULL, 0, CRYPT_ACTIVATE_READONLY));
+ crypt_free(cd);
+
+ // Deactivate the whole chain
+ EQ_(crypt_status(NULL, CDEVICE_1 "_1"), CRYPT_BUSY);
+ OK_(crypt_deactivate(NULL, CDEVICE_1));
+ EQ_(crypt_status(NULL, CDEVICE_1 "_1"), CRYPT_INACTIVE);
}
// Check that gcrypt is properly initialised in format
struct crypt_device *cd;
struct crypt_params_luks1 params = {0};
char key[128] = "";
- size_t key_size = 128;
+ size_t key_size = 128 / 8;
const char *cipher = "aes";
const char *cipher_mode = "cbc-essiv:sha256";
int ret;
crypt_free(cd);
}
+static void int_handler(int sig __attribute__((__unused__)))
+{
+ _quit++;
+}
+
int main(int argc, char *argv[])
{
+ struct sigaction sa = { .sa_handler = int_handler };
int i;
if (getuid() != 0) {
_debug = _verbose = 1;
}
+ /* Handle interrupt properly */
+ sigaction(SIGINT, &sa, NULL);
+ sigaction(SIGTERM, &sa, NULL);
+
_cleanup();
if (_setup())
goto out;