* cryptsetup library API check functions
*
* Copyright (C) 2009-2012 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2009-2012, Milan Broz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
#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;
return r;
}
+static int fips_mode(void)
+{
+ int fd;
+ char buf = 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,
static void new_log(int level, const char *msg, void *usrptr)
{
+ if (_debug)
+ printf("LOG: %s", msg);
cmdLineLog(level, msg);
}
static int _system(const char *command, int warn)
{
int r;
+ if (_debug)
+ printf("Running system: %s\n", command);
if ((r=system(command)) < 0 && warn)
printf("System command failed: %s", command);
return r;
return 1;
}
close(fd);
- snprintf(cmd, sizeof(cmd), "dd if=/dev/zero of=%s bs=%d count=%d",
+ snprintf(cmd, sizeof(cmd), "dd if=/dev/zero of=%s bs=%d count=%d 2>/dev/null",
test_loop_file, SECTOR_SIZE, TST_LOOP_FILE_SIZE);
if (_system(cmd, 1))
return 1;
return 1;
}
close(fd);
- snprintf(cmd, sizeof(cmd), "dd if=/dev/zero of=%s bs=%d count=%d",
+ snprintf(cmd, sizeof(cmd), "dd if=/dev/zero of=%s bs=%d count=%d 2>/dev/null",
tmp_file_1, SECTOR_SIZE, 10);
if (_system(cmd, 1))
return 1;
return 1;
}
if (crypt_loop_device(DEVICE_2)) {
- _system("dd if=/dev/zero of=" IMAGE_EMPTY " bs=1M count=4", 1);
+ _system("dd if=/dev/zero of=" IMAGE_EMPTY " bs=1M count=4 2>/dev/null", 1);
fd = crypt_loop_attach(DEVICE_2, IMAGE_EMPTY, 0, 0, &ro);
close(fd);
}
* volume_key = bb21158c733229347bd4e681891e213d94c685be6a5b84818afe7a78a6de7a1a */
_system(" [ ! -e " VALID_HEADER " ] && bzip2 -dk " VALID_HEADER ".bz2", 1);
+ /* Prepare tcrypt images */
+ _system(" [ ! -d tcrypt-images ] && tar xjf tcrypt-images.tar.bz2 2>/dev/null", 1);
+
+ _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 */
EQ_(r_size, size);
// size overlaps
- FAIL_(crypt_resize(cd, CDEVICE_1, ULLONG_MAX),"Backing device is too small");
+ FAIL_(crypt_resize(cd, CDEVICE_1, (uint64_t)-1),"Backing device is too small");
FAIL_(crypt_resize(cd, CDEVICE_1, (size>>SECTOR_SHIFT)+1),"crypt device overlaps backing device");
// resize ok
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);
}
};
char key[128], key2[128];
- const char *passphrase = "blabla";
+ const char *passphrase = "blabla", *passphrase2 = "nsdkFI&Y#.sd";
const char *mk_hex = "bb21158c733229347bd4e681891e213d94c685be6a5b84818afe7a78a6de7a1a";
size_t key_size = strlen(mk_hex) / 2;
const char *cipher = "aes";
// there we've got uuid mismatch
OK_(crypt_init_by_name_and_header(&cd, CDEVICE_1, DMDIR H_DEVICE));
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
- OK_((int)crypt_get_type(cd));
+ OK_(!!crypt_get_type(cd));
FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0), "Device is active");
FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_2, key, key_size, 0), "Device is active");
EQ_(crypt_status(cd, CDEVICE_2), CRYPT_INACTIVE);
EQ_(CRYPT_SLOT_INACTIVE, crypt_keyslot_status(cd, 7));
EQ_(CRYPT_SLOT_ACTIVE_LAST, crypt_keyslot_status(cd, 6));
- 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));
+ EQ_(7, crypt_keyslot_change_by_passphrase(cd, 6, 7, passphrase, strlen(passphrase), passphrase2, strlen(passphrase2)));
+ EQ_(CRYPT_SLOT_ACTIVE_LAST, crypt_keyslot_status(cd, 7));
+ 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)));
+
+ 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));
FAIL_(crypt_header_restore(cd, CRYPT_LUKS1, EVL_HEADER_4), "Header too small");
OK_(crypt_header_restore(cd, CRYPT_LUKS1, VALID_HEADER));
// wipe valid luks header
- snprintf(cmd, sizeof(cmd), "dd if=/dev/zero of=" DMDIR L_DEVICE_OK " bs=512 count=%" PRIu64, r_payload_offset);
+ snprintf(cmd, sizeof(cmd), "dd if=/dev/zero of=" DMDIR L_DEVICE_OK " bs=512 count=%" PRIu64 " 2>/dev/null", r_payload_offset);
OK_(_system(cmd, 1));
FAIL_(crypt_header_restore(cd, CRYPT_LUKS1, EVL_HEADER_1), "Header corrupted");
FAIL_(crypt_header_restore(cd, CRYPT_LUKS1, EVL_HEADER_2), "Header corrupted");
//OK_(create_dmdevice_over_loop(H_DEVICE_WRONG, r_payload_offset - 1));
OK_(create_dmdevice_over_loop(H_DEVICE_WRONG, 2050 - 1)); //FIXME
//snprintf(cmd, sizeof(cmd), "dd if=" EVL_HEADER_4 " of=" DMDIR H_DEVICE_WRONG " bs=512 count=%" PRIu64, r_payload_offset - 1);
- snprintf(cmd, sizeof(cmd), "dd if=" EVL_HEADER_4 " of=" DMDIR H_DEVICE_WRONG " bs=512 count=%" PRIu64, 2050ULL - 1);
+ snprintf(cmd, sizeof(cmd), "dd if=" EVL_HEADER_4 " of=" DMDIR H_DEVICE_WRONG " bs=512 count=%d 2>/dev/null", 2050 - 1);
OK_(_system(cmd, 1));
// some device
OK_(create_dmdevice_over_loop(L_DEVICE_OK, r_payload_offset + 1000));
// bad header: device too small (payloadOffset > device_size)
OK_(crypt_init(&cd, DMDIR H_DEVICE_WRONG));
FAIL_(crypt_load(cd, CRYPT_LUKS1, NULL), "Device too small");
- OK_((int)crypt_get_type(cd));
+ OK_(!!crypt_get_type(cd));
crypt_free(cd);
// 0 secs for encrypted data area
crypt_free(cd);
// damaged header
- OK_(_system("dd if=/dev/zero of=" DMDIR L_DEVICE_OK " bs=512 count=8", 1));
+ OK_(_system("dd if=/dev/zero of=" DMDIR L_DEVICE_OK " bs=512 count=8 2>/dev/null", 1));
OK_(crypt_init(&cd, DMDIR L_DEVICE_OK));
FAIL_(crypt_load(cd, CRYPT_LUKS1, NULL), "Header not found");
crypt_free(cd);
crypt_free(cd);
}
+static void VerityTest(void)
+{
+ struct crypt_device *cd;
+ const char *salt_hex = "20c28ffc129c12360ba6ceea2b6cf04e89c2b41cfe6b8439eb53c1897f50df7b";
+ const char *root_hex = "ab018b003a967fc782effb293b6dccb60b4f40c06bf80d16391acf686d28b5d6";
+ char salt[256], root_hash[256];
+ struct crypt_active_device cad;
+ struct crypt_params_verity params = {
+ .data_device = DEVICE_EMPTY,
+ .salt = salt,
+ .data_size = 0, /* whole device */
+ .hash_area_offset = 0,
+ .flags = CRYPT_VERITY_CREATE_HASH,
+ };
+
+ crypt_decode_key(salt, salt_hex, strlen(salt_hex) / 2);
+ crypt_decode_key(root_hash, root_hex, strlen(root_hex) / 2);
+
+ /* Format */
+ OK_(crypt_init(&cd, DEVICE_2));
+
+ /* block size */
+ params.data_block_size = 333;
+ FAIL_(crypt_format(cd, CRYPT_VERITY, NULL, NULL, NULL, NULL, 0, ¶ms),
+ "Unsupppored block size.");
+ params.data_block_size = 4096;
+ params.hash_block_size = 333;
+ FAIL_(crypt_format(cd, CRYPT_VERITY, NULL, NULL, NULL, NULL, 0, ¶ms),
+ "Unsupppored block size.");
+ params.hash_block_size = 4096;
+
+ /* salt size */
+ params.salt_size = 257;
+ FAIL_(crypt_format(cd, CRYPT_VERITY, NULL, NULL, NULL, NULL, 0, ¶ms),
+ "Too large salt.");
+ params.salt_size = 32;
+
+ /* hash_type */
+ params.hash_type = 3;
+ FAIL_(crypt_format(cd, CRYPT_VERITY, NULL, NULL, NULL, NULL, 0, ¶ms),
+ "Unsupported hash type.");
+ params.hash_type = 1;
+ params.hash_name = "blah";
+ FAIL_(crypt_format(cd, CRYPT_VERITY, NULL, NULL, NULL, NULL, 0, ¶ms),
+ "Unsupported hash name.");
+ params.hash_name = "sha256";
+
+ OK_(crypt_format(cd, CRYPT_VERITY, NULL, NULL, NULL, NULL, 0, ¶ms));
+ crypt_free(cd);
+
+ /* Verify */
+ OK_(crypt_init(&cd, DEVICE_2));
+ memset(¶ms, 0, sizeof(params));
+ params.data_device = DEVICE_EMPTY;
+ params.flags = CRYPT_VERITY_CHECK_HASH;
+ OK_(crypt_load(cd, CRYPT_VERITY, ¶ms));
+
+ /* check verity params */
+ EQ_(crypt_get_volume_key_size(cd), 32);
+ OK_(strcmp(CRYPT_VERITY, crypt_get_type(cd)));
+ memset(¶ms, 0, sizeof(params));
+ OK_(crypt_get_verity_info(cd, ¶ms));
+ OK_(strcmp("sha256", params.hash_name));
+ EQ_(strlen(salt_hex) / 2, params.salt_size);
+ OK_(memcmp(salt, params.salt, params.salt_size));
+ EQ_(4096, params.data_block_size);
+ EQ_(4096, params.hash_block_size);
+ EQ_(1, params.hash_type);
+ EQ_(crypt_get_volume_key_size(cd), 32);
+
+ OK_(crypt_activate_by_volume_key(cd, NULL, root_hash, 32, 0));
+ OK_(crypt_set_data_device(cd, DEVICE_1));
+ FAIL_(crypt_activate_by_volume_key(cd, NULL, root_hash, 32, 0), "Data corrupted");;
+
+ OK_(crypt_set_data_device(cd, DEVICE_EMPTY));
+ if (crypt_activate_by_volume_key(cd, CDEVICE_1, root_hash, 32,
+ CRYPT_ACTIVATE_READONLY) == -ENOTSUP) {
+ printf("WARNING: kernel dm-verity not supported, skipping test.\n");
+ crypt_free(cd);
+ return;
+ }
+ OK_(crypt_get_active_device(cd, CDEVICE_1, &cad));
+ EQ_(CRYPT_ACTIVATE_READONLY, cad.flags);
+ crypt_free(cd);
+
+ OK_(crypt_init_by_name(&cd, CDEVICE_1));
+ OK_(crypt_deactivate(cd, CDEVICE_1));
+
+ /* hash fail */
+ root_hash[1] = ~root_hash[1];
+ OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, root_hash, 32, CRYPT_ACTIVATE_READONLY));
+ OK_(crypt_get_active_device(cd, CDEVICE_1, &cad));
+ EQ_(CRYPT_ACTIVATE_READONLY|CRYPT_ACTIVATE_CORRUPTED, cad.flags);
+ OK_(crypt_deactivate(cd, CDEVICE_1));
+ root_hash[1] = ~root_hash[1];
+
+ /* data fail */
+ OK_(crypt_set_data_device(cd, DEVICE_1));
+ OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, root_hash, 32, CRYPT_ACTIVATE_READONLY));
+ OK_(crypt_get_active_device(cd, CDEVICE_1, &cad));
+ EQ_(CRYPT_ACTIVATE_READONLY|CRYPT_ACTIVATE_CORRUPTED, cad.flags);
+ OK_(crypt_deactivate(cd, CDEVICE_1));
+
+ crypt_free(cd);
+}
+
+static void TcryptTest(void)
+{
+ struct crypt_device *cd = NULL;
+ struct crypt_active_device cad;
+ const char *passphrase = "aaaaaaaaaaaa";
+ const char *kf1 = "tcrypt-images/keyfile1";
+ const char *kf2 = "tcrypt-images/keyfile2";
+ const char *keyfiles[] = { kf1, kf2 };
+ struct crypt_params_tcrypt params = {
+ .passphrase = passphrase,
+ .passphrase_size = strlen(passphrase),
+ .keyfiles = keyfiles,
+ .keyfiles_count = 2,
+ };
+ double enc_mbr = 0, dec_mbr = 0;
+ const char *tcrypt_dev = "tcrypt-images/tck_5-sha512-xts-aes";
+ size_t key_size = 64;
+ char key[key_size], key_def[key_size];
+ const char *key_hex =
+ "98dee64abe44bbf41d171c1f7b3e8eacda6d6b01f459097459a167f8c2872a96"
+ "3979531d1cdc18af62757cf22286f16f8583d848524f128d7594ac2082668c73";
+ int r;
+
+ crypt_decode_key(key_def, key_hex, strlen(key_hex) / 2);
+
+ // First ensure we can use af_alg skcipher interface
+ r = crypt_benchmark(NULL, "aes", "xts", 512, 16, 1024, &enc_mbr, &dec_mbr);
+ if (r == -ENOTSUP || r == -ENOENT) {
+ printf("WARNING: algif_skcipher interface not present, skipping test.\n");
+ return;
+ }
+
+ OK_(crypt_init(&cd, tcrypt_dev));
+ params.passphrase_size--;
+ FAIL_(crypt_load(cd, CRYPT_TCRYPT, ¶ms), "Wrong passphrase");
+ params.passphrase_size++;
+ OK_(crypt_load(cd, CRYPT_TCRYPT, ¶ms));
+
+ // check params after load
+ OK_(strcmp("xts-plain64", crypt_get_cipher_mode(cd)));
+ OK_(strcmp("aes", crypt_get_cipher(cd)));
+ EQ_(key_size, crypt_get_volume_key_size(cd));
+ EQ_(256, crypt_get_iv_offset(cd));
+ EQ_(256, crypt_get_data_offset(cd));
+
+ memset(key, 0, 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_dump(cd));
+ OK_(!(global_lines != 0));
+ crypt_set_log_callback(cd, NULL, NULL);
+ reset_log();
+
+ OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, NULL, 0, CRYPT_ACTIVATE_READONLY));
+ crypt_free(cd);
+
+ OK_(crypt_init_by_name_and_header(&cd, CDEVICE_1, NULL));
+ EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
+
+ FAIL_(crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key, &key_size, NULL, 0), "Need crypt_load");
+
+ // check params after init_by_name
+ OK_(strcmp("xts-plain64", crypt_get_cipher_mode(cd)));
+ OK_(strcmp("aes", crypt_get_cipher(cd)));
+ EQ_(key_size, crypt_get_volume_key_size(cd));
+ EQ_(256, crypt_get_iv_offset(cd));
+ EQ_(256, crypt_get_data_offset(cd));
+
+ OK_(crypt_get_active_device(cd, CDEVICE_1, &cad));
+ EQ_(CRYPT_ACTIVATE_READONLY, cad.flags);
+ EQ_(256, cad.offset);
+ EQ_(256, cad.iv_offset);
+ EQ_(72, cad.size);
+
+ OK_(crypt_deactivate(cd, CDEVICE_1));
+ crypt_free(cd);
+}
+
// Check that gcrypt is properly initialised in format
static void NonFIPSAlg(void)
{
OK_(crypt_init(&cd, DEVICE_2));
params.hash = "sha256";
OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms));
+ FAIL_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms),
+ "Already formatted.");
+ crypt_free(cd);
params.hash = "whirlpool";
+ OK_(crypt_init(&cd, DEVICE_2));
ret = crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms);
if (ret < 0) {
printf("WARNING: whirlpool not supported, skipping test.\n");
crypt_free(cd);
return;
}
+ crypt_free(cd);
params.hash = "md5";
+ OK_(crypt_init(&cd, DEVICE_2));
FAIL_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms),
"MD5 unsupported, too short");
crypt_free(cd);
}
-int main (int argc, char *argv[])
+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;
RUN_(UseLuksDevice, "Use pre-formated LUKS device");
RUN_(SuspendDevice, "Suspend/Resume test");
RUN_(UseTempVolumes, "Format and use temporary encrypted device");
-
RUN_(CallbacksTest, "API callbacks test");
+ RUN_(VerityTest, "DM verity test");
+ RUN_(TcryptTest, "Tcrypt API test");
out:
_cleanup();
return 0;
projects / platform / upstream / cryptsetup.git / blobdiff