| /* |
| * cryptsetup library API check functions |
| * |
| * 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 |
| * 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 |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <linux/fs.h> |
| #include <errno.h> |
| #include <assert.h> |
| #include <signal.h> |
| #include <sys/stat.h> |
| #include <sys/ioctl.h> |
| #include <libdevmapper.h> |
| |
| #include "luks.h" |
| #include "libcryptsetup.h" |
| #include "utils_loop.h" |
| |
| #define DMDIR "/dev/mapper/" |
| |
| #define DEVICE_1_UUID "28632274-8c8a-493f-835b-da802e1c576b" |
| #define DEVICE_EMPTY_name "crypt_zero" |
| #define DEVICE_EMPTY DMDIR DEVICE_EMPTY_name |
| #define DEVICE_ERROR_name "crypt_error" |
| #define DEVICE_ERROR DMDIR DEVICE_ERROR_name |
| |
| #define CDEVICE_1 "ctest1" |
| #define CDEVICE_2 "ctest2" |
| #define CDEVICE_WRONG "O_o" |
| #define H_DEVICE "head_ok" |
| #define H_DEVICE_WRONG "head_wr" |
| #define L_DEVICE_1S "luks_onesec" |
| #define L_DEVICE_0S "luks_zerosec" |
| #define L_DEVICE_WRONG "luks_wr" |
| #define L_DEVICE_OK "luks_ok" |
| #define EVL_HEADER_1 "evil_hdr-luks_hdr_damage" |
| #define EVL_HEADER_2 "evil_hdr-payload_overwrite" |
| #define EVL_HEADER_3 "evil_hdr-stripes_payload_dmg" |
| #define EVL_HEADER_4 "evil_hdr-small_luks_device" |
| #define VALID_HEADER "valid_header_file" |
| #define BACKUP_FILE "csetup_backup_file" |
| #define IMAGE1 "compatimage.img" |
| #define IMAGE_EMPTY "empty.img" |
| |
| #define KEYFILE1 "key1.file" |
| #define KEY1 "compatkey" |
| |
| #define KEYFILE2 "key2.file" |
| #define KEY2 "0123456789abcdef" |
| |
| #define PASSPHRASE "blabla" |
| |
| #define DEVICE_TEST_UUID "12345678-1234-1234-1234-123456789abc" |
| |
| #define DEVICE_WRONG "/dev/Ooo_" |
| #define DEVICE_CHAR "/dev/zero" |
| #define THE_LFILE_TEMPLATE "cryptsetup-tstlp.XXXXXX" |
| |
| #define SECTOR_SHIFT 9L |
| #define SECTOR_SIZE 512 |
| #define TST_LOOP_FILE_SIZE (((1<<20)*50)>>SECTOR_SHIFT) |
| #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) |
| #define DIV_ROUND_UP_MODULO(n,d) (DIV_ROUND_UP(n,d)*(d)) |
| #define LUKS_PHDR_SIZE_B 1024 |
| |
| 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; |
| static char *test_loop_file = NULL; |
| static uint64_t t_dev_offset = 0; |
| |
| static int _system(const char*, int); |
| |
| // Helpers |
| |
| static int device_size(const char *device, uint64_t *size) |
| { |
| int devfd, r = 0; |
| |
| devfd = open(device, O_RDONLY); |
| if(devfd == -1) |
| return -EINVAL; |
| |
| if (ioctl(devfd, BLKGETSIZE64, size) < 0) |
| r = -EINVAL; |
| close(devfd); |
| 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, |
| unsigned int alignoffset_sec, |
| uint64_t *r_header_size, |
| uint64_t *r_payload_offset) |
| { |
| int i; |
| uint64_t current_sector; |
| uint32_t sectors_per_stripes_set; |
| |
| if (!keylength) |
| return -1; |
| |
| sectors_per_stripes_set = DIV_ROUND_UP(keylength*LUKS_STRIPES, SECTOR_SIZE); |
| printf("sectors_per_stripes %" PRIu32 "\n", sectors_per_stripes_set); |
| current_sector = DIV_ROUND_UP_MODULO(DIV_ROUND_UP(LUKS_PHDR_SIZE_B, SECTOR_SIZE), |
| LUKS_ALIGN_KEYSLOTS / SECTOR_SIZE); |
| for(i=0;i < (LUKS_NUMKEYS - 1);i++) |
| current_sector = DIV_ROUND_UP_MODULO(current_sector + sectors_per_stripes_set, |
| LUKS_ALIGN_KEYSLOTS / SECTOR_SIZE); |
| if (r_header_size) |
| *r_header_size = current_sector + sectors_per_stripes_set; |
| |
| current_sector = DIV_ROUND_UP_MODULO(current_sector + sectors_per_stripes_set, |
| LUKS_ALIGN_KEYSLOTS / SECTOR_SIZE); |
| |
| if (r_payload_offset) { |
| if (metadata_device) |
| *r_payload_offset = alignpayload_sec; |
| else |
| *r_payload_offset = DIV_ROUND_UP_MODULO(current_sector, alignpayload_sec) |
| + alignoffset_sec; |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * Creates dm-linear target over the test loop device. Offset is held in |
| * global variables so that size can be tested whether it fits into remaining |
| * size of the loop device or not |
| */ |
| static int create_dmdevice_over_loop(const char *dm_name, const uint64_t size) |
| { |
| char cmd[128]; |
| int r; |
| uint64_t r_size; |
| |
| if(device_size(THE_LOOP_DEV, &r_size) < 0 || r_size <= t_dev_offset || !size) |
| return -1; |
| if ((r_size - t_dev_offset) < size) { |
| printf("No enough space on backing loop device\n."); |
| return -2; |
| } |
| snprintf(cmd, sizeof(cmd), |
| "dmsetup create %s --table \"0 %" PRIu64 " linear %s %" PRIu64 "\"", |
| dm_name, size, THE_LOOP_DEV, t_dev_offset); |
| if (!(r = _system(cmd, 1))) { |
| t_dev_offset += size; |
| } |
| return r; |
| } |
| |
| // TODO some utility to remove dmdevice over the loop file |
| |
| // Get key from kernel dm mapping table using dm-ioctl |
| static int _get_key_dm(const char *name, char *buffer, unsigned int buffer_size) |
| { |
| struct dm_task *dmt; |
| struct dm_info dmi; |
| uint64_t start, length; |
| char *target_type, *key, *params; |
| void *next = NULL; |
| int r = -EINVAL; |
| |
| if (!(dmt = dm_task_create(DM_DEVICE_TABLE))) |
| goto out; |
| if (!dm_task_set_name(dmt, name)) |
| goto out; |
| if (!dm_task_run(dmt)) |
| goto out; |
| if (!dm_task_get_info(dmt, &dmi)) |
| goto out; |
| if (!dmi.exists) |
| goto out; |
| |
| next = dm_get_next_target(dmt, next, &start, &length, &target_type, ¶ms); |
| if (!target_type || strcmp(target_type, "crypt") != 0) |
| goto out; |
| |
| (void)strsep(¶ms, " "); /* rcipher */ |
| key = strsep(¶ms, " "); |
| |
| if (buffer_size <= strlen(key)) |
| goto out; |
| |
| strncpy(buffer, key, buffer_size); |
| r = 0; |
| out: |
| if (dmt) |
| dm_task_destroy(dmt); |
| |
| return r; |
| } |
| |
| static int _prepare_keyfile(const char *name, const char *passphrase, int size) |
| { |
| int fd, r; |
| |
| fd = open(name, O_RDWR | O_CREAT | O_TRUNC, S_IRUSR|S_IWUSR); |
| if (fd != -1) { |
| r = write(fd, passphrase, size); |
| close(fd); |
| } else |
| r = 0; |
| |
| return r == size ? 0 : 1; |
| } |
| |
| static void _remove_keyfiles(void) |
| { |
| remove(KEYFILE1); |
| remove(KEYFILE2); |
| } |
| |
| // Decode key from its hex representation |
| static int crypt_decode_key(char *key, const char *hex, unsigned int size) |
| { |
| char buffer[3]; |
| char *endp; |
| unsigned int i; |
| |
| buffer[2] = '\0'; |
| |
| for (i = 0; i < size; i++) { |
| buffer[0] = *hex++; |
| buffer[1] = *hex++; |
| |
| key[i] = (unsigned char)strtoul(buffer, &endp, 16); |
| |
| if (endp != &buffer[2]) |
| return -1; |
| } |
| |
| if (*hex != '\0') |
| return -1; |
| |
| return 0; |
| } |
| |
| static void cmdLineLog(int level, const char *msg) |
| { |
| strncat(global_log, msg, sizeof(global_log) - strlen(global_log)); |
| global_lines++; |
| } |
| |
| static void new_log(int level, const char *msg, void *usrptr) |
| { |
| if (_debug) |
| printf("LOG: %s", msg); |
| cmdLineLog(level, msg); |
| } |
| |
| static void reset_log(void) |
| { |
| memset(global_log, 0, sizeof(global_log)); |
| global_lines = 0; |
| } |
| |
| 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; |
| } |
| |
| static void _cleanup_dmdevices(void) |
| { |
| struct stat st; |
| |
| if (!stat(DMDIR H_DEVICE, &st)) { |
| _system("dmsetup remove " H_DEVICE, 0); |
| } |
| if (!stat(DMDIR H_DEVICE_WRONG, &st)) { |
| _system("dmsetup remove " H_DEVICE_WRONG, 0); |
| } |
| if (!stat(DMDIR L_DEVICE_0S, &st)) { |
| _system("dmsetup remove " L_DEVICE_0S, 0); |
| } |
| if (!stat(DMDIR L_DEVICE_1S, &st)) { |
| _system("dmsetup remove " L_DEVICE_1S, 0); |
| } |
| if (!stat(DMDIR L_DEVICE_WRONG, &st)) { |
| _system("dmsetup remove " L_DEVICE_WRONG, 0); |
| } |
| if (!stat(DMDIR L_DEVICE_OK, &st)) { |
| _system("dmsetup remove " L_DEVICE_OK, 0); |
| } |
| |
| t_dev_offset = 0; |
| } |
| |
| static void _cleanup(void) |
| { |
| struct stat st; |
| |
| //_system("udevadm settle", 0); |
| |
| if (!stat(DMDIR CDEVICE_1, &st)) |
| _system("dmsetup remove " CDEVICE_1, 0); |
| |
| if (!stat(DMDIR CDEVICE_2, &st)) |
| _system("dmsetup remove " CDEVICE_2, 0); |
| |
| if (!stat(DEVICE_EMPTY, &st)) |
| _system("dmsetup remove " DEVICE_EMPTY_name, 0); |
| |
| if (!stat(DEVICE_ERROR, &st)) |
| _system("dmsetup remove " DEVICE_ERROR_name, 0); |
| |
| _cleanup_dmdevices(); |
| |
| if (crypt_loop_device(THE_LOOP_DEV)) |
| crypt_loop_detach(THE_LOOP_DEV); |
| |
| if (crypt_loop_device(DEVICE_1)) |
| crypt_loop_detach(DEVICE_1); |
| |
| 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); |
| |
| remove(test_loop_file); |
| remove(tmp_file_1); |
| |
| remove(EVL_HEADER_1); |
| remove(EVL_HEADER_2); |
| remove(EVL_HEADER_3); |
| remove(EVL_HEADER_4); |
| remove(VALID_HEADER); |
| remove(BACKUP_FILE); |
| |
| _remove_keyfiles(); |
| |
| free(tmp_file_1); |
| free(test_loop_file); |
| free(THE_LOOP_DEV); |
| free(DEVICE_1); |
| free(DEVICE_2); |
| free(DEVICE_3); |
| } |
| |
| static int _setup(void) |
| { |
| int fd, ro = 0; |
| char cmd[128]; |
| |
| test_loop_file = strdup(THE_LFILE_TEMPLATE); |
| if ((fd=mkstemp(test_loop_file)) == -1) { |
| printf("cannot create temporary file with template %s\n", test_loop_file); |
| return 1; |
| } |
| close(fd); |
| 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; |
| |
| if (!THE_LOOP_DEV) |
| THE_LOOP_DEV = crypt_loop_get_device(); |
| if (!THE_LOOP_DEV) { |
| printf("Cannot find free loop device.\n"); |
| return 1; |
| } |
| if (crypt_loop_device(THE_LOOP_DEV)) { |
| fd = crypt_loop_attach(THE_LOOP_DEV, test_loop_file, 0, 0, &ro); |
| close(fd); |
| } |
| |
| tmp_file_1 = strdup(THE_LFILE_TEMPLATE); |
| if ((fd=mkstemp(tmp_file_1)) == -1) { |
| printf("cannot create temporary file with template %s\n", tmp_file_1); |
| return 1; |
| } |
| close(fd); |
| 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; |
| |
| _system("dmsetup create " DEVICE_EMPTY_name " --table \"0 10000 zero\"", 1); |
| _system("dmsetup create " DEVICE_ERROR_name " --table \"0 10000 error\"", 1); |
| if (!DEVICE_1) |
| DEVICE_1 = crypt_loop_get_device(); |
| if (!DEVICE_1) { |
| printf("Cannot find free loop device.\n"); |
| return 1; |
| } |
| if (crypt_loop_device(DEVICE_1)) { |
| _system(" [ ! -e " IMAGE1 " ] && bzip2 -dk " IMAGE1 ".bz2", 1); |
| fd = crypt_loop_attach(DEVICE_1, IMAGE1, 0, 0, &ro); |
| close(fd); |
| } |
| if (!DEVICE_2) |
| DEVICE_2 = crypt_loop_get_device(); |
| if (!DEVICE_2) { |
| printf("Cannot find free loop device.\n"); |
| return 1; |
| } |
| if (crypt_loop_device(DEVICE_2)) { |
| _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); |
| } |
| 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(" [ ! -e " EVL_HEADER_2 " ] && bzip2 -dk " EVL_HEADER_2 ".bz2", 1); |
| /* keymaterial offset is valid, number of stripes causes payload area to be overwriten */ |
| _system(" [ ! -e " EVL_HEADER_3 " ] && bzip2 -dk " EVL_HEADER_3 ".bz2", 1); |
| /* luks device header for data and header on same device. payloadOffset is greater than |
| * device size (crypt_load() test) */ |
| _system(" [ ! -e " EVL_HEADER_4 " ] && bzip2 -dk " EVL_HEADER_4 ".bz2", 1); |
| /* valid header: payloadOffset=4096, key_size=32, |
| * 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; |
| } |
| |
| static void check_ok(int status, int line, const char *func) |
| { |
| char buf[256]; |
| |
| if (status) { |
| crypt_get_error(buf, sizeof(buf)); |
| printf("FAIL line %d [%s]: code %d, %s\n", line, func, status, buf); |
| _cleanup(); |
| exit(-1); |
| } |
| } |
| |
| static void check_ko(int status, int line, const char *func) |
| { |
| char buf[256]; |
| |
| memset(buf, 0, sizeof(buf)); |
| crypt_get_error(buf, sizeof(buf)); |
| if (status >= 0) { |
| printf("FAIL line %d [%s]: code %d, %s\n", line, func, status, buf); |
| _cleanup(); |
| exit(-1); |
| } else if (_verbose) |
| printf(" => errno %d, errmsg: %s\n", status, buf); |
| } |
| |
| static void check_equal(int line, const char *func, int64_t x, int64_t y) |
| { |
| printf("FAIL line %d [%s]: expected equal values differs: %" |
| PRIi64 " != %" PRIi64 "\n", line, func, x, y); |
| _cleanup(); |
| exit(-1); |
| } |
| |
| static void xlog(const char *msg, const char *tst, const char *func, int line, const char *txt) |
| { |
| if (_verbose) { |
| if (txt) |
| printf(" [%s,%s:%d] %s [%s]\n", msg, func, line, tst, txt); |
| 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 OK_(x) do { xlog("(success)", #x, __FUNCTION__, __LINE__, NULL); \ |
| check_ok((x), __LINE__, __FUNCTION__); \ |
| } while(0) |
| #define FAIL_(x, y) do { xlog("(fail) ", #x, __FUNCTION__, __LINE__, y); \ |
| check_ko((x), __LINE__, __FUNCTION__); \ |
| } while(0) |
| #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) |
| |
| static void AddDevicePlain(void) |
| { |
| struct crypt_device *cd; |
| struct crypt_params_plain params = { |
| .hash = "sha1", |
| .skip = 0, |
| .offset = 0, |
| .size = 0 |
| }; |
| int fd; |
| char key[128], key2[128], path[128]; |
| |
| const char *passphrase = PASSPHRASE; |
| // hashed hex version of PASSPHRASE |
| const char *mk_hex = "bb21158c733229347bd4e681891e213d94c685be6a5b84818afe7a78a6de7a1a"; |
| size_t key_size = strlen(mk_hex) / 2; |
| const char *cipher = "aes"; |
| const char *cipher_mode = "cbc-essiv:sha256"; |
| |
| uint64_t size, r_size; |
| |
| crypt_decode_key(key, mk_hex, key_size); |
| FAIL_(crypt_init(&cd, ""), "empty device string"); |
| FAIL_(crypt_init(&cd, DEVICE_WRONG), "nonexistent device name "); |
| FAIL_(crypt_init(&cd, DEVICE_CHAR), "character device as backing device"); |
| OK_(crypt_init(&cd, tmp_file_1)); |
| crypt_free(cd); |
| |
| // test crypt_format, crypt_get_cipher, crypt_get_cipher_mode, crypt_get_volume_key_size |
| OK_(crypt_init(&cd,DEVICE_1)); |
| params.skip = 3; |
| params.offset = 42; |
| FAIL_(crypt_format(cd,CRYPT_PLAIN,NULL,cipher_mode,NULL,NULL,key_size,¶ms),"cipher param is null"); |
| FAIL_(crypt_format(cd,CRYPT_PLAIN,cipher,NULL,NULL,NULL,key_size,¶ms),"cipher_mode param is null"); |
| OK_(crypt_format(cd,CRYPT_PLAIN,cipher,cipher_mode,NULL,NULL,key_size,¶ms)); |
| OK_(strcmp(cipher_mode,crypt_get_cipher_mode(cd))); |
| OK_(strcmp(cipher,crypt_get_cipher(cd))); |
| EQ_((int)key_size, crypt_get_volume_key_size(cd)); |
| EQ_(params.skip, crypt_get_iv_offset(cd)); |
| EQ_(params.offset, crypt_get_data_offset(cd)); |
| params.skip = 0; |
| params.offset = 0; |
| |
| // crypt_set_uuid() |
| FAIL_(crypt_set_uuid(cd,DEVICE_1_UUID),"can't set uuid to plain device"); |
| |
| crypt_free(cd); |
| |
| // default is "plain" hash - no password hash |
| OK_(crypt_init(&cd, DEVICE_1)); |
| OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, NULL)); |
| FAIL_(crypt_activate_by_volume_key(cd, NULL, key, key_size, 0), "cannot verify key with plain"); |
| 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)); |
| crypt_free(cd); |
| |
| // test boundaries in offset parameter |
| device_size(DEVICE_1,&size); |
| params.hash = NULL; |
| // zero sectors length |
| params.offset = size >> SECTOR_SHIFT; |
| OK_(crypt_init(&cd, DEVICE_1)); |
| OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, ¶ms)); |
| EQ_(crypt_get_data_offset(cd),params.offset); |
| // device size is 0 sectors |
| FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0), "invalid device size (0 blocks)"); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE); |
| // data part of crypt device is of 1 sector size |
| params.offset = (size >> SECTOR_SHIFT) - 1; |
| crypt_free(cd); |
| |
| OK_(crypt_init(&cd, DEVICE_1)); |
| OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, ¶ms)); |
| OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0)); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| snprintf(path, sizeof(path), "%s/%s", crypt_get_dir(), CDEVICE_1); |
| if (device_size(path, &r_size) >= 0) |
| EQ_(r_size>>SECTOR_SHIFT, 1); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| crypt_free(cd); |
| |
| // size > device_size |
| params.offset = 0; |
| params.size = (size >> SECTOR_SHIFT) + 1; |
| crypt_init(&cd, DEVICE_1); |
| OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, ¶ms)); |
| FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0),"Device too small"); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE); |
| crypt_free(cd); |
| |
| // offset == device_size (autodetect size) |
| params.offset = (size >> SECTOR_SHIFT); |
| params.size = 0; |
| crypt_init(&cd, DEVICE_1); |
| OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, ¶ms)); |
| FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0),"Device too small"); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE); |
| crypt_free(cd); |
| |
| // offset == device_size (user defined size) |
| params.offset = (size >> SECTOR_SHIFT); |
| params.size = 123; |
| crypt_init(&cd, DEVICE_1); |
| OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, ¶ms)); |
| FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0),"Device too small"); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE); |
| crypt_free(cd); |
| |
| // offset+size > device_size |
| params.offset = 42; |
| params.size = (size >> SECTOR_SHIFT) - params.offset + 1; |
| crypt_init(&cd, DEVICE_1); |
| OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, ¶ms)); |
| FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0),"Offset and size are beyond device real size"); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE); |
| crypt_free(cd); |
| |
| // offset+size == device_size |
| params.offset = 42; |
| params.size = (size >> SECTOR_SHIFT) - params.offset; |
| crypt_init(&cd, DEVICE_1); |
| OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, ¶ms)); |
| OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0)); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| if (!device_size(path, &r_size)) |
| EQ_((r_size >> SECTOR_SHIFT),params.size); |
| OK_(crypt_deactivate(cd,CDEVICE_1)); |
| |
| crypt_free(cd); |
| params.hash = "sha1"; |
| params.offset = 0; |
| params.size = 0; |
| params.skip = 0; |
| |
| // Now use hashed password |
| OK_(crypt_init(&cd, DEVICE_1)); |
| OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, ¶ms)); |
| FAIL_(crypt_activate_by_passphrase(cd, NULL, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0), |
| "cannot verify passphrase with plain" ); |
| OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0)); |
| |
| // device status check |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| snprintf(path, sizeof(path), "%s/%s", crypt_get_dir(), CDEVICE_1); |
| fd = open(path, O_RDONLY); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_BUSY); |
| FAIL_(crypt_deactivate(cd, CDEVICE_1), "Device is busy"); |
| close(fd); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE); |
| crypt_free(cd); |
| |
| // crypt_init_by_name_and_header |
| OK_(crypt_init(&cd,DEVICE_1)); |
| OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, ¶ms)); |
| OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0)); |
| crypt_free(cd); |
| |
| FAIL_(crypt_init_by_name_and_header(&cd, CDEVICE_1, H_DEVICE),"can't init plain device by header device"); |
| OK_(crypt_init_by_name(&cd, CDEVICE_1)); |
| OK_(strcmp(cipher_mode,crypt_get_cipher_mode(cd))); |
| OK_(strcmp(cipher,crypt_get_cipher(cd))); |
| EQ_((int)key_size, crypt_get_volume_key_size(cd)); |
| EQ_(params.skip, crypt_get_iv_offset(cd)); |
| EQ_(params.offset, crypt_get_data_offset(cd)); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| crypt_free(cd); |
| |
| OK_(crypt_init(&cd,DEVICE_1)); |
| OK_(crypt_format(cd,CRYPT_PLAIN,cipher,cipher_mode,NULL,NULL,key_size,¶ms)); |
| params.size = 0; |
| params.offset = 0; |
| |
| // crypt_set_data_device |
| FAIL_(crypt_set_data_device(cd,H_DEVICE),"can't set data device for plain device"); |
| |
| // crypt_get_type |
| OK_(strcmp(crypt_get_type(cd),CRYPT_PLAIN)); |
| |
| OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0)); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| |
| // crypt_resize() |
| OK_(crypt_resize(cd,CDEVICE_1,size>>SECTOR_SHIFT)); // same size |
| if (!device_size(path,&r_size)) |
| EQ_(r_size, size); |
| |
| // size overlaps |
| 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 |
| OK_(crypt_resize(cd,CDEVICE_1, 123)); |
| if (!device_size(path,&r_size)) |
| EQ_(r_size>>SECTOR_SHIFT, 123); |
| OK_(crypt_resize(cd,CDEVICE_1,0)); // full size (autodetect) |
| if (!device_size(path,&r_size)) |
| EQ_(r_size, size); |
| OK_(crypt_deactivate(cd,CDEVICE_1)); |
| EQ_(crypt_status(cd,CDEVICE_1),CRYPT_INACTIVE); |
| crypt_free(cd); |
| |
| // offset tests |
| OK_(crypt_init(&cd,DEVICE_1)); |
| params.offset = 42; |
| params.size = (size>>SECTOR_SHIFT) - params.offset - 10; |
| OK_(crypt_format(cd,CRYPT_PLAIN,cipher,cipher_mode,NULL,NULL,key_size,¶ms)); |
| OK_(crypt_activate_by_volume_key(cd,CDEVICE_1,key,key_size,0)); |
| if (!device_size(path,&r_size)) |
| EQ_(r_size>>SECTOR_SHIFT, params.size); |
| // resize to fill remaining capacity |
| OK_(crypt_resize(cd,CDEVICE_1,params.size + 10)); |
| if (!device_size(path,&r_size)) |
| EQ_(r_size>>SECTOR_SHIFT, params.size + 10); |
| |
| // 1 sector beyond real size |
| FAIL_(crypt_resize(cd,CDEVICE_1,params.size + 11), "new device size overlaps backing device"); // with respect to offset |
| if (!device_size(path,&r_size)) |
| EQ_(r_size>>SECTOR_SHIFT, params.size + 10); |
| EQ_(crypt_status(cd,CDEVICE_1),CRYPT_ACTIVE); |
| fd = open(path, O_RDONLY); |
| close(fd); |
| OK_(fd < 0); |
| |
| // resize to minimal size |
| OK_(crypt_resize(cd,CDEVICE_1, 1)); // minimal device size |
| if (!device_size(path,&r_size)) |
| EQ_(r_size>>SECTOR_SHIFT, 1); |
| // use size of backing device (autodetect with respect to offset) |
| OK_(crypt_resize(cd,CDEVICE_1,0)); |
| if (!device_size(path,&r_size)) |
| EQ_(r_size>>SECTOR_SHIFT, (size >> SECTOR_SHIFT)- 42); |
| OK_(crypt_deactivate(cd,CDEVICE_1)); |
| crypt_free(cd); |
| |
| params.size = 0; |
| params.offset = 0; |
| OK_(crypt_init(&cd,DEVICE_1)); |
| OK_(crypt_format(cd,CRYPT_PLAIN,cipher,cipher_mode,NULL,NULL,key_size,¶ms)); |
| OK_(crypt_activate_by_volume_key(cd,CDEVICE_1,key,key_size,0)); |
| |
| // suspend/resume tests |
| FAIL_(crypt_suspend(cd,CDEVICE_1),"cannot suspend plain device"); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| FAIL_(crypt_resume_by_passphrase(cd,CDEVICE_1,CRYPT_ANY_SLOT,passphrase, strlen(passphrase)),"cannot resume plain device"); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| |
| // retrieve volume key check |
| 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_(0, crypt_get_data_offset(cd)); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| |
| // now with keyfile |
| OK_(_prepare_keyfile(KEYFILE1, KEY1, strlen(KEY1))); |
| OK_(_prepare_keyfile(KEYFILE2, KEY2, strlen(KEY2))); |
| FAIL_(crypt_activate_by_keyfile(cd, NULL, CRYPT_ANY_SLOT, KEYFILE1, 0, 0), "cannot verify key with plain"); |
| EQ_(0, crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 0, 0)); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| FAIL_(crypt_activate_by_keyfile_offset(cd, NULL, CRYPT_ANY_SLOT, KEYFILE1, 0, strlen(KEY1) + 1, 0), "cannot seek"); |
| EQ_(0, crypt_activate_by_keyfile_offset(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 0, 0, 0)); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| _remove_keyfiles(); |
| crypt_free(cd); |
| |
| OK_(crypt_init(&cd,DEVICE_1)); |
| OK_(crypt_format(cd,CRYPT_PLAIN,cipher,cipher_mode,NULL,NULL,key_size,¶ms)); |
| |
| // crypt_keyslot_*() |
| FAIL_(crypt_keyslot_add_by_passphrase(cd,CRYPT_ANY_SLOT,passphrase,strlen(passphrase),passphrase,strlen(passphrase)), "can't add keyslot to plain device"); |
| FAIL_(crypt_keyslot_add_by_volume_key(cd,CRYPT_ANY_SLOT ,key,key_size,passphrase,strlen(passphrase)),"can't add keyslot to plain device"); |
| FAIL_(crypt_keyslot_add_by_keyfile(cd,CRYPT_ANY_SLOT,KEYFILE1,strlen(KEY1),KEYFILE2,strlen(KEY2)),"can't add keyslot to plain device"); |
| FAIL_(crypt_keyslot_destroy(cd,1),"can't manipulate keyslots on plain device"); |
| EQ_(crypt_keyslot_status(cd, 0), CRYPT_SLOT_INVALID); |
| _remove_keyfiles(); |
| |
| crypt_free(cd); |
| } |
| |
| #define CALLBACK_ERROR "calback_error xyz" |
| static int pass_callback_err(const char *msg, char *buf, size_t length, void *usrptr) |
| { |
| struct crypt_device *cd = usrptr; |
| |
| assert(cd); |
| assert(length); |
| assert(msg); |
| |
| crypt_log(cd, CRYPT_LOG_ERROR, CALLBACK_ERROR); |
| return -EINVAL; |
| } |
| |
| static int pass_callback_ok(const char *msg, char *buf, size_t length, void *usrptr) |
| { |
| assert(length); |
| assert(msg); |
| strcpy(buf, PASSPHRASE); |
| return strlen(buf); |
| } |
| |
| static void CallbacksTest(void) |
| { |
| struct crypt_device *cd; |
| struct crypt_params_plain params = { |
| .hash = "sha1", |
| .skip = 0, |
| .offset = 0, |
| }; |
| |
| size_t key_size = 256 / 8; |
| const char *cipher = "aes"; |
| const char *cipher_mode = "cbc-essiv:sha256"; |
| const char *passphrase = PASSPHRASE; |
| char buf1[256] = {0}, buf2[256] = {0}; |
| |
| OK_(crypt_init(&cd, DEVICE_1)); |
| crypt_set_log_callback(cd, &new_log, NULL); |
| //crypt_set_log_callback(cd, NULL, NULL); |
| |
| OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, ¶ms)); |
| |
| OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0)); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| |
| reset_log(); |
| crypt_set_password_callback(cd, pass_callback_err, cd); |
| FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, NULL, 0, 0), "callback fails"); |
| EQ_(strncmp(global_log, CALLBACK_ERROR, strlen(CALLBACK_ERROR)), 0); |
| |
| crypt_set_password_callback(cd, pass_callback_ok, NULL); |
| OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, NULL, 0, 0)); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| |
| // Check error reporting. |
| // This must fail and create error message |
| crypt_deactivate(cd, CDEVICE_1); |
| |
| // Here context must be the same |
| crypt_get_error(buf1, sizeof(buf1)); |
| crypt_last_error(cd, buf2, sizeof(buf2)); |
| OK_(!*buf1); |
| OK_(!*buf2); |
| OK_(strcmp(buf1, buf2)); |
| |
| crypt_get_error(buf1, sizeof(buf1)); |
| crypt_last_error(cd, buf2, sizeof(buf2)); |
| OK_(*buf1); |
| OK_(*buf2); |
| |
| crypt_free(cd); |
| } |
| |
| static void UseLuksDevice(void) |
| { |
| struct crypt_device *cd; |
| char key[128]; |
| size_t key_size; |
| |
| OK_(crypt_init(&cd, DEVICE_1)); |
| OK_(crypt_load(cd, CRYPT_LUKS1, NULL)); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE); |
| OK_(crypt_activate_by_passphrase(cd, NULL, CRYPT_ANY_SLOT, KEY1, strlen(KEY1), 0)); |
| OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1), 0)); |
| FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1), 0), "already open"); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| FAIL_(crypt_deactivate(cd, CDEVICE_1), "no such device"); |
| |
| key_size = 16; |
| OK_(strcmp("aes", crypt_get_cipher(cd))); |
| OK_(strcmp("cbc-essiv:sha256", crypt_get_cipher_mode(cd))); |
| OK_(strcmp(DEVICE_1_UUID, crypt_get_uuid(cd))); |
| EQ_((int)key_size, crypt_get_volume_key_size(cd)); |
| EQ_(1032, crypt_get_data_offset(cd)); |
| |
| 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); |
| } |
| |
| static void SuspendDevice(void) |
| { |
| int suspend_status; |
| struct crypt_device *cd; |
| |
| OK_(crypt_init(&cd, DEVICE_1)); |
| OK_(crypt_load(cd, CRYPT_LUKS1, NULL)); |
| OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1), 0)); |
| |
| suspend_status = crypt_suspend(cd, CDEVICE_1); |
| if (suspend_status == -ENOTSUP) { |
| printf("WARNING: Suspend/Resume not supported, skipping test.\n"); |
| 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_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1)-1), "wrong key"); |
| OK_(crypt_resume_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1))); |
| FAIL_(crypt_resume_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1)), "not suspended"); |
| |
| OK_(_prepare_keyfile(KEYFILE1, KEY1, strlen(KEY1))); |
| OK_(crypt_suspend(cd, CDEVICE_1)); |
| FAIL_(crypt_resume_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1 "blah", 0), "wrong keyfile"); |
| 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"); |
| 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) |
| { |
| struct crypt_device *cd; |
| struct crypt_params_luks1 params = { |
| .hash = "sha512", |
| .data_alignment = 2048, // 4M, data offset will be 4096 |
| .data_device = DEVICE_2 |
| }; |
| char key[128], key2[128]; |
| |
| 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"; |
| const char *cipher_mode = "cbc-essiv:sha256"; |
| uint64_t r_payload_offset, r_header_size, r_size_1; |
| |
| crypt_decode_key(key, mk_hex, key_size); |
| |
| // init test devices |
| OK_(get_luks_offsets(1, key_size, 0, 0, &r_header_size, &r_payload_offset)); |
| OK_(create_dmdevice_over_loop(H_DEVICE, r_header_size)); |
| OK_(create_dmdevice_over_loop(H_DEVICE_WRONG, r_header_size - 1)); |
| |
| // format |
| OK_(crypt_init(&cd, DMDIR H_DEVICE_WRONG)); |
| params.data_alignment = 0; |
| FAIL_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms), "Not enough space for keyslots material"); |
| crypt_free(cd); |
| |
| // test payload_offset = 0 for encrypted device with external header device |
| OK_(crypt_init(&cd, DMDIR H_DEVICE)); |
| OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms)); |
| EQ_(crypt_get_data_offset(cd), 0); |
| crypt_free(cd); |
| |
| params.data_alignment = 0; |
| params.data_device = NULL; |
| |
| // test payload_offset = 0. format() should look up alignment offset from device topology |
| OK_(crypt_init(&cd, DEVICE_2)); |
| OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms)); |
| OK_(!(crypt_get_data_offset(cd) > 0)); |
| crypt_free(cd); |
| |
| /* |
| * test limit values for backing device size |
| */ |
| params.data_alignment = 4096; |
| OK_(get_luks_offsets(0, key_size, params.data_alignment, 0, NULL, &r_payload_offset)); |
| OK_(create_dmdevice_over_loop(L_DEVICE_0S, r_payload_offset)); |
| OK_(create_dmdevice_over_loop(L_DEVICE_1S, r_payload_offset + 1)); |
| //OK_(create_dmdevice_over_loop(L_DEVICE_WRONG, r_payload_offset - 1)); |
| OK_(create_dmdevice_over_loop(L_DEVICE_WRONG, 2050 - 1)); //FIXME last keyslot - 1 sector |
| |
| // 1 sector less than required |
| OK_(crypt_init(&cd, DMDIR L_DEVICE_WRONG)); |
| FAIL_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms), "Device too small"); |
| crypt_free(cd); |
| |
| // 0 sectors for encrypted area |
| OK_(crypt_init(&cd, DMDIR L_DEVICE_0S)); |
| OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms)); |
| FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0), "Encrypted area too small"); |
| crypt_free(cd); |
| |
| // 1 sector for encrypted area |
| OK_(crypt_init(&cd, DMDIR L_DEVICE_1S)); |
| OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms)); |
| EQ_(crypt_get_data_offset(cd), params.data_alignment); |
| OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0)); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| OK_(device_size(DMDIR CDEVICE_1, &r_size_1)); |
| EQ_(r_size_1, SECTOR_SIZE); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE); |
| // restrict format only to empty context |
| FAIL_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms), "Context is already formated"); |
| FAIL_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, NULL), "Context is already formated"); |
| // change data device to wrong one |
| OK_(crypt_set_data_device(cd, DMDIR L_DEVICE_0S)); |
| FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0), "Device too small"); |
| OK_(crypt_set_data_device(cd, DMDIR L_DEVICE_1S)); |
| OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0)); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| crypt_free(cd); |
| |
| params.data_alignment = 0; |
| params.data_device = DEVICE_2; |
| |
| // generate keyslot material at the end of luks header |
| OK_(crypt_init(&cd, DMDIR H_DEVICE)); |
| OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms)); |
| EQ_(crypt_keyslot_add_by_volume_key(cd, 7, key, key_size, passphrase, strlen(passphrase)), 7); |
| EQ_(crypt_activate_by_passphrase(cd, CDEVICE_1, 7, passphrase, strlen(passphrase) ,0), 7); |
| crypt_free(cd); |
| 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); |
| |
| params.data_alignment = 2048; |
| params.data_device = NULL; |
| |
| // test uuid mismatch and _init_by_name_and_header |
| OK_(crypt_init(&cd, DMDIR L_DEVICE_1S)); |
| 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)); |
| crypt_free(cd); |
| params.data_alignment = 0; |
| params.data_device = DEVICE_2; |
| OK_(crypt_init(&cd, DMDIR H_DEVICE)); |
| OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms)); |
| crypt_free(cd); |
| // 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_(!!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); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| crypt_free(cd); |
| |
| params.data_device = NULL; |
| |
| OK_(crypt_init(&cd, DEVICE_2)); |
| OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms)); |
| |
| // even with no keyslots defined it can be activated by volume key |
| OK_(crypt_volume_key_verify(cd, key, key_size)); |
| OK_(crypt_activate_by_volume_key(cd, CDEVICE_2, key, key_size, 0)); |
| EQ_(crypt_status(cd, CDEVICE_2), CRYPT_ACTIVE); |
| OK_(crypt_deactivate(cd, CDEVICE_2)); |
| |
| // now with keyslot |
| EQ_(7, crypt_keyslot_add_by_volume_key(cd, 7, key, key_size, passphrase, strlen(passphrase))); |
| EQ_(CRYPT_SLOT_ACTIVE_LAST, crypt_keyslot_status(cd, 7)); |
| EQ_(7, crypt_activate_by_passphrase(cd, CDEVICE_2, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0)); |
| EQ_(crypt_status(cd, CDEVICE_2), CRYPT_ACTIVE); |
| OK_(crypt_deactivate(cd, CDEVICE_2)); |
| |
| crypt_set_iteration_time(cd, 1); |
| EQ_(1, crypt_keyslot_add_by_volume_key(cd, 1, key, key_size, KEY1, strlen(KEY1))); |
| OK_(_prepare_keyfile(KEYFILE1, KEY1, strlen(KEY1))); |
| OK_(_prepare_keyfile(KEYFILE2, KEY2, strlen(KEY2))); |
| EQ_(2, crypt_keyslot_add_by_keyfile(cd, 2, KEYFILE1, 0, KEYFILE2, 0)); |
| FAIL_(crypt_keyslot_add_by_keyfile_offset(cd, 3, KEYFILE1, 0, 1, KEYFILE2, 0, 1), "wrong key"); |
| EQ_(3, crypt_keyslot_add_by_keyfile_offset(cd, 3, KEYFILE1, 0, 0, KEYFILE2, 0, 1)); |
| EQ_(4, crypt_keyslot_add_by_keyfile_offset(cd, 4, KEYFILE2, 0, 1, KEYFILE1, 0, 1)); |
| FAIL_(crypt_activate_by_keyfile(cd, CDEVICE_2, CRYPT_ANY_SLOT, KEYFILE2, strlen(KEY2)-1, 0), "key mismatch"); |
| EQ_(2, crypt_activate_by_keyfile(cd, NULL, CRYPT_ANY_SLOT, KEYFILE2, 0, 0)); |
| EQ_(3, crypt_activate_by_keyfile_offset(cd, NULL, CRYPT_ANY_SLOT, KEYFILE2, 0, 1, 0)); |
| EQ_(4, crypt_activate_by_keyfile_offset(cd, NULL, CRYPT_ANY_SLOT, KEYFILE1, 0, 1, 0)); |
| FAIL_(crypt_activate_by_keyfile_offset(cd, CDEVICE_2, CRYPT_ANY_SLOT, KEYFILE2, strlen(KEY2), 2, 0), "not enough data"); |
| FAIL_(crypt_activate_by_keyfile_offset(cd, CDEVICE_2, CRYPT_ANY_SLOT, KEYFILE2, 0, strlen(KEY2) + 1, 0), "cannot seek"); |
| FAIL_(crypt_activate_by_keyfile_offset(cd, CDEVICE_2, CRYPT_ANY_SLOT, KEYFILE2, 0, 2, 0), "wrong key"); |
| EQ_(2, crypt_activate_by_keyfile(cd, CDEVICE_2, CRYPT_ANY_SLOT, KEYFILE2, 0, 0)); |
| OK_(crypt_keyslot_destroy(cd, 1)); |
| OK_(crypt_keyslot_destroy(cd, 2)); |
| OK_(crypt_keyslot_destroy(cd, 3)); |
| OK_(crypt_keyslot_destroy(cd, 4)); |
| OK_(crypt_deactivate(cd, CDEVICE_2)); |
| _remove_keyfiles(); |
| |
| FAIL_(crypt_keyslot_add_by_volume_key(cd, 7, key, key_size, passphrase, strlen(passphrase)), "slot used"); |
| key[1] = ~key[1]; |
| FAIL_(crypt_keyslot_add_by_volume_key(cd, 6, key, key_size, passphrase, strlen(passphrase)), "key mismatch"); |
| key[1] = ~key[1]; |
| EQ_(6, crypt_keyslot_add_by_volume_key(cd, 6, key, key_size, passphrase, strlen(passphrase))); |
| EQ_(CRYPT_SLOT_ACTIVE, crypt_keyslot_status(cd, 6)); |
| |
| FAIL_(crypt_keyslot_destroy(cd, 8), "invalid keyslot"); |
| FAIL_(crypt_keyslot_destroy(cd, CRYPT_ANY_SLOT), "invalid keyslot"); |
| FAIL_(crypt_keyslot_destroy(cd, 0), "keyslot not used"); |
| OK_(crypt_keyslot_destroy(cd, 7)); |
| EQ_(CRYPT_SLOT_INACTIVE, crypt_keyslot_status(cd, 7)); |
| EQ_(CRYPT_SLOT_ACTIVE_LAST, crypt_keyslot_status(cd, 6)); |
| |
| 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_(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_(4096, crypt_get_data_offset(cd)); |
| OK_(strcmp(DEVICE_2, crypt_get_device_name(cd))); |
| |
| 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(); |
| |
| FAIL_(crypt_set_uuid(cd, "blah"), "wrong UUID format"); |
| OK_(crypt_set_uuid(cd, DEVICE_TEST_UUID)); |
| OK_(strcmp(DEVICE_TEST_UUID, crypt_get_uuid(cd))); |
| |
| FAIL_(crypt_deactivate(cd, CDEVICE_2), "not active"); |
| crypt_free(cd); |
| _cleanup_dmdevices(); |
| } |
| |
| static void UseTempVolumes(void) |
| { |
| struct crypt_device *cd; |
| char tmp[256]; |
| |
| // Tepmporary device without keyslot but with on-disk LUKS header |
| OK_(crypt_init(&cd, DEVICE_2)); |
| FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_2, NULL, 0, 0), "not yet formatted"); |
| OK_(crypt_format(cd, CRYPT_LUKS1, "aes", "cbc-essiv:sha256", NULL, NULL, 16, NULL)); |
| OK_(crypt_activate_by_volume_key(cd, CDEVICE_2, NULL, 0, 0)); |
| EQ_(crypt_status(cd, CDEVICE_2), CRYPT_ACTIVE); |
| crypt_free(cd); |
| |
| OK_(crypt_init_by_name(&cd, CDEVICE_2)); |
| OK_(crypt_deactivate(cd, CDEVICE_2)); |
| crypt_free(cd); |
| |
| // Dirty checks: device without UUID |
| // we should be able to remove it but not manuipulate with it |
| snprintf(tmp, sizeof(tmp), "dmsetup create %s --table \"" |
| "0 100 crypt aes-cbc-essiv:sha256 deadbabedeadbabedeadbabedeadbabe 0 " |
| "%s 2048\"", CDEVICE_2, DEVICE_2); |
| _system(tmp, 1); |
| OK_(crypt_init_by_name(&cd, CDEVICE_2)); |
| OK_(crypt_deactivate(cd, CDEVICE_2)); |
| FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_2, NULL, 0, 0), "No known device type"); |
| crypt_free(cd); |
| |
| // Dirty checks: device with UUID but LUKS header key fingerprint must fail) |
| snprintf(tmp, sizeof(tmp), "dmsetup create %s --table \"" |
| "0 100 crypt aes-cbc-essiv:sha256 deadbabedeadbabedeadbabedeadbabe 0 " |
| "%s 2048\" -u CRYPT-LUKS1-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-ctest1", |
| CDEVICE_2, DEVICE_2); |
| _system(tmp, 1); |
| OK_(crypt_init_by_name(&cd, CDEVICE_2)); |
| OK_(crypt_deactivate(cd, CDEVICE_2)); |
| FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_2, NULL, 0, 0), "wrong volume key"); |
| crypt_free(cd); |
| |
| // No slots |
| OK_(crypt_init(&cd, DEVICE_2)); |
| OK_(crypt_load(cd, CRYPT_LUKS1, NULL)); |
| FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_2, NULL, 0, 0), "volume key is lost"); |
| crypt_free(cd); |
| |
| // Plain device |
| OK_(crypt_init(&cd, DEVICE_2)); |
| OK_(crypt_format(cd, CRYPT_PLAIN, "aes", "cbc-essiv:sha256", NULL, NULL, 16, NULL)); |
| FAIL_(crypt_activate_by_volume_key(cd, NULL, "xxx", 3, 0), "cannot verify key with plain"); |
| FAIL_(crypt_volume_key_verify(cd, "xxx", 3), "cannot verify key with plain"); |
| FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_2, "xxx", 3, 0), "wrong key lenght"); |
| OK_(crypt_activate_by_volume_key(cd, CDEVICE_2, "volumekeyvolumek", 16, 0)); |
| EQ_(crypt_status(cd, CDEVICE_2), CRYPT_ACTIVE); |
| OK_(crypt_deactivate(cd, CDEVICE_2)); |
| crypt_free(cd); |
| } |
| |
| static void LuksHeaderRestore(void) |
| { |
| struct crypt_device *cd; |
| struct crypt_params_luks1 params = { |
| .hash = "sha512", |
| .data_alignment = 2048, // 4M, data offset will be 4096 |
| }; |
| struct crypt_params_plain pl_params = { |
| .hash = "sha1", |
| .skip = 0, |
| .offset = 0, |
| .size = 0 |
| }; |
| char key[128], key2[128], cmd[256]; |
| |
| const char *mk_hex = "bb21158c733229347bd4e681891e213d94c685be6a5b84818afe7a78a6de7a1a"; |
| size_t key_size = strlen(mk_hex) / 2; |
| const char *cipher = "aes"; |
| const char *cipher_mode = "cbc-essiv:sha256"; |
| uint64_t r_payload_offset; |
| |
| crypt_decode_key(key, mk_hex, key_size); |
| |
| OK_(get_luks_offsets(0, key_size, params.data_alignment, 0, NULL, &r_payload_offset)); |
| OK_(create_dmdevice_over_loop(L_DEVICE_OK, r_payload_offset + 5000)); |
| |
| // do not restore header over plain device |
| OK_(crypt_init(&cd, DMDIR L_DEVICE_OK)); |
| OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, &pl_params)); |
| OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0)); |
| FAIL_(crypt_header_restore(cd, CRYPT_PLAIN, VALID_HEADER), "Cannot restore header to PLAIN type device"); |
| FAIL_(crypt_header_restore(cd, CRYPT_LUKS1, VALID_HEADER), "Cannot restore header over PLAIN type device"); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| crypt_free(cd); |
| |
| // invalid headers |
| OK_(crypt_init(&cd, DMDIR L_DEVICE_OK)); |
| OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms)); |
| FAIL_(crypt_header_restore(cd, CRYPT_LUKS1, EVL_HEADER_1), "Header corrupted"); |
| FAIL_(crypt_header_restore(cd, CRYPT_LUKS1, EVL_HEADER_2), "Header corrupted"); |
| FAIL_(crypt_header_restore(cd, CRYPT_LUKS1, EVL_HEADER_3), "Header corrupted"); |
| 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 " 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"); |
| FAIL_(crypt_header_restore(cd, CRYPT_LUKS1, EVL_HEADER_3), "Header corrupted"); |
| FAIL_(crypt_header_restore(cd, CRYPT_LUKS1, EVL_HEADER_4), "Header too small"); |
| OK_(crypt_header_restore(cd, CRYPT_LUKS1, VALID_HEADER)); |
| OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0)); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| crypt_free(cd); |
| |
| // volume key_size mismatch |
| OK_(crypt_init(&cd, DMDIR L_DEVICE_OK)); |
| 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); |
| |
| // payload offset mismatch |
| params.data_alignment = 8192; |
| OK_(crypt_init(&cd, DMDIR L_DEVICE_OK)); |
| OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms)); |
| FAIL_(crypt_header_restore(cd, CRYPT_LUKS1, VALID_HEADER), "Payload offset mismatch"); |
| //_system("dmsetup table;sleep 1",1); |
| crypt_free(cd); |
| |
| _cleanup_dmdevices(); |
| } |
| |
| static void LuksHeaderLoad(void) |
| { |
| struct crypt_device *cd; |
| struct crypt_params_luks1 params = { |
| .hash = "sha512", |
| .data_alignment = 2048, |
| }; |
| struct crypt_params_plain pl_params = { |
| .hash = "sha1", |
| .skip = 0, |
| .offset = 0, |
| .size = 0 |
| }; |
| char key[128], cmd[256]; |
| |
| const char *mk_hex = "bb21158c733229347bd4e681891e213d94c685be6a5b84818afe7a78a6de7a1a"; |
| size_t key_size = strlen(mk_hex) / 2; |
| const char *cipher = "aes"; |
| const char *cipher_mode = "cbc-essiv:sha256"; |
| uint64_t r_payload_offset, r_header_size; |
| |
| crypt_decode_key(key, mk_hex, key_size); |
| |
| // prepare test env |
| OK_(get_luks_offsets(0, key_size, params.data_alignment, 0, &r_header_size, &r_payload_offset)); |
| // external header device |
| OK_(create_dmdevice_over_loop(H_DEVICE, r_header_size)); |
| // prepared header on a device too small to contain header and payload |
| //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=%d 2>/dev/null", 2050 - 1); |
| OK_(_system(cmd, 1)); |
| // some device |
| OK_(create_dmdevice_over_loop(L_DEVICE_OK, r_payload_offset + 1000)); |
| // 1 sector device |
| OK_(create_dmdevice_over_loop(L_DEVICE_1S, r_payload_offset + 1)); |
| // 0 sectors device for payload |
| OK_(create_dmdevice_over_loop(L_DEVICE_0S, r_payload_offset)); |
| |
| // valid metadata and device size |
| params.data_alignment = 0; |
| params.data_device = DMDIR L_DEVICE_OK; |
| OK_(crypt_init(&cd, DMDIR H_DEVICE)); |
| OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms)); |
| crypt_free(cd); |
| OK_(crypt_init(&cd, DMDIR H_DEVICE)); |
| OK_(crypt_load(cd, CRYPT_LUKS1, NULL)); |
| OK_(crypt_set_data_device(cd, DMDIR L_DEVICE_OK)); |
| 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)); |
| crypt_free(cd); |
| |
| // 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_(!!crypt_get_type(cd)); |
| crypt_free(cd); |
| |
| // 0 secs for encrypted data area |
| params.data_alignment = 2048; |
| params.data_device = NULL; |
| OK_(crypt_init(&cd, DMDIR L_DEVICE_0S)); |
| OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, ¶ms)); |
| crypt_free(cd); |
| // load should be ok |
| OK_(crypt_init(&cd, DMDIR L_DEVICE_0S)); |
| OK_(crypt_load(cd, CRYPT_LUKS1, NULL)); |
| FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0), "Device too small"); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE); |
| crypt_free(cd); |
| |
| // damaged header |
| 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); |
| |
| // plain device |
| OK_(crypt_init(&cd, DMDIR H_DEVICE)); |
| FAIL_(crypt_load(cd, CRYPT_PLAIN, NULL), "Can't load nonLUKS device type"); |
| crypt_free(cd); |
| OK_(crypt_init(&cd, DMDIR H_DEVICE)); |
| OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, key, key_size, &pl_params)); |
| FAIL_(crypt_load(cd, CRYPT_LUKS1, NULL), "Can't load over nonLUKS device type"); |
| crypt_free(cd); |
| |
| _cleanup_dmdevices(); |
| } |
| |
| static void LuksHeaderBackup(void) |
| { |
| struct crypt_device *cd; |
| struct crypt_params_luks1 params = { |
| .hash = "sha512", |
| .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 = "aes"; |
| 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_(create_dmdevice_over_loop(L_DEVICE_OK, r_payload_offset + 1)); |
| |
| // create LUKS device and backup the header |
| 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); |
| |
| // restore header from backup |
| OK_(crypt_init(&cd, DMDIR L_DEVICE_OK)); |
| OK_(crypt_header_restore(cd, CRYPT_LUKS1, BACKUP_FILE)); |
| OK_(crypt_load(cd, CRYPT_LUKS1, NULL)); |
| 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)); |
| 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(); |
| } |
| |
| static void ResizeDeviceLuks(void) |
| { |
| struct crypt_device *cd; |
| struct crypt_params_luks1 params = { |
| .hash = "sha512", |
| .data_alignment = 2048, |
| }; |
| char key[128]; |
| |
| const char *mk_hex = "bb21158c733229347bd4e681891e213d94c685be6a5b84818afe7a78a6de7a1a"; |
| size_t key_size = strlen(mk_hex) / 2; |
| const char *cipher = "aes"; |
| const char *cipher_mode = "cbc-essiv:sha256"; |
| uint64_t r_payload_offset, r_header_size, r_size; |
| |
| crypt_decode_key(key, mk_hex, key_size); |
| |
| // prepare env |
| OK_(get_luks_offsets(0, key_size, params.data_alignment, 0, NULL, &r_payload_offset)); |
| OK_(get_luks_offsets(1, key_size, 0, 0, &r_header_size, NULL)); |
| OK_(create_dmdevice_over_loop(H_DEVICE, r_header_size)); |
| OK_(create_dmdevice_over_loop(L_DEVICE_OK, r_payload_offset + 1000)); |
| OK_(create_dmdevice_over_loop(L_DEVICE_0S, 1000)); |
| |
| // test header and encrypted payload all in one device |
| 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)); |
| OK_(crypt_resize(cd, CDEVICE_1, 42)); |
| if (!device_size(DMDIR CDEVICE_1, &r_size)) |
| EQ_(42, r_size >> SECTOR_SHIFT); |
| // autodetect encrypted device area size |
| OK_(crypt_resize(cd, CDEVICE_1, 0)); |
| if (!device_size(DMDIR CDEVICE_1, &r_size)) |
| EQ_(1000, r_size >> SECTOR_SHIFT); |
| FAIL_(crypt_resize(cd, CDEVICE_1, 1001), "Device too small"); |
| if (!device_size(DMDIR CDEVICE_1, &r_size)) |
| EQ_(1000, r_size >> SECTOR_SHIFT); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| crypt_free(cd); |
| |
| params.data_alignment = 0; |
| params.data_device = DMDIR L_DEVICE_0S; |
| // test case for external header |
| OK_(crypt_init(&cd, DMDIR H_DEVICE)); |
| 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)); |
| OK_(crypt_resize(cd, CDEVICE_1, 666)); |
| if (!device_size(DMDIR CDEVICE_1, &r_size)) |
| EQ_(666, r_size >> SECTOR_SHIFT); |
| // autodetect encrypted device size |
| OK_(crypt_resize(cd, CDEVICE_1, 0)); |
| if (!device_size(DMDIR CDEVICE_1, &r_size)) |
| EQ_(1000, r_size >> SECTOR_SHIFT); |
| FAIL_(crypt_resize(cd, CDEVICE_1, 1001), "Device too small"); |
| if (!device_size(DMDIR CDEVICE_1, &r_size)) |
| EQ_(1000, r_size >> SECTOR_SHIFT); |
| EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| crypt_free(cd); |
| |
| _cleanup_dmdevices(); |
| } |
| |
| static void HashDevicePlain(void) |
| { |
| struct crypt_device *cd; |
| struct crypt_params_plain params = { |
| .hash = NULL, |
| .skip = 0, |
| .offset = 0, |
| }; |
| |
| size_t key_size; |
| const char *mk_hex, *keystr; |
| char key[256]; |
| |
| OK_(crypt_init(&cd, DEVICE_1)); |
| OK_(crypt_format(cd, CRYPT_PLAIN, "aes", "cbc-essiv:sha256", NULL, NULL, 16, ¶ms)); |
| |
| // hash PLAIN, short key |
| OK_(_prepare_keyfile(KEYFILE1, "tooshort", 8)); |
| FAIL_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 16, 0), "not enough data in keyfile"); |
| _remove_keyfiles(); |
| |
| // hash PLAIN, exact key |
| // 0 1 2 3 4 5 6 7 8 9 a b c d e f |
| mk_hex = "caffeecaffeecaffeecaffeecaffee88"; |
| key_size = 16; |
| crypt_decode_key(key, mk_hex, key_size); |
| OK_(_prepare_keyfile(KEYFILE1, key, key_size)); |
| OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, key_size, 0)); |
| OK_(_get_key_dm(CDEVICE_1, key, sizeof(key))); |
| OK_(strcmp(key, mk_hex)); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| |
| // Limit plain key |
| mk_hex = "caffeecaffeecaffeecaffeeca000000"; |
| OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, key_size - 3, 0)); |
| OK_(_get_key_dm(CDEVICE_1, key, sizeof(key))); |
| OK_(strcmp(key, mk_hex)); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| |
| _remove_keyfiles(); |
| |
| // hash PLAIN, long key |
| // 0 1 2 3 4 5 6 7 8 9 a b c d e f |
| mk_hex = "caffeecaffeecaffeecaffeecaffee88babebabe"; |
| key_size = 16; |
| crypt_decode_key(key, mk_hex, key_size); |
| OK_(_prepare_keyfile(KEYFILE1, key, strlen(mk_hex) / 2)); |
| OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, key_size, 0)); |
| OK_(_get_key_dm(CDEVICE_1, key, sizeof(key))); |
| FAIL_(strcmp(key, mk_hex), "only key length used"); |
| OK_(strncmp(key, mk_hex, key_size)); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| |
| |
| // Now without explicit limit |
| OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 0, 0)); |
| OK_(_get_key_dm(CDEVICE_1, key, sizeof(key))); |
| FAIL_(strcmp(key, mk_hex), "only key length used"); |
| OK_(strncmp(key, mk_hex, key_size)); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| crypt_free(cd); |
| |
| _remove_keyfiles(); |
| |
| // hash sha256 |
| params.hash = "sha256"; |
| OK_(crypt_init(&cd, DEVICE_1)); |
| OK_(crypt_format(cd, CRYPT_PLAIN, "aes", "cbc-essiv:sha256", NULL, NULL, 16, ¶ms)); |
| |
| // 0 1 2 3 4 5 6 7 8 9 a b c d e f |
| mk_hex = "c62e4615bd39e222572f3a1bf7c2132e"; |
| keystr = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; |
| key_size = strlen(keystr); // 32 |
| OK_(_prepare_keyfile(KEYFILE1, keystr, strlen(keystr))); |
| OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, key_size, 0)); |
| OK_(_get_key_dm(CDEVICE_1, key, sizeof(key))); |
| OK_(strcmp(key, mk_hex)); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| |
| // Read full keyfile |
| OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 0, 0)); |
| OK_(_get_key_dm(CDEVICE_1, key, sizeof(key))); |
| OK_(strcmp(key, mk_hex)); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| |
| _remove_keyfiles(); |
| |
| // Limit keyfile read |
| keystr = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxAAAAAAAA"; |
| OK_(_prepare_keyfile(KEYFILE1, keystr, strlen(keystr))); |
| OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, key_size, 0)); |
| OK_(_get_key_dm(CDEVICE_1, key, sizeof(key))); |
| OK_(strcmp(key, mk_hex)); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| |
| // Full keyfile |
| OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 0, 0)); |
| OK_(_get_key_dm(CDEVICE_1, key, sizeof(key))); |
| OK_(strcmp(key, "0e49cb34a1dee1df33f6505e4de44a66")); |
| OK_(crypt_deactivate(cd, CDEVICE_1)); |
| |
| _remove_keyfiles(); |
| |
| // FIXME: add keyfile="-" tests somehow |
| |
| 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"; |
| 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 = |
| "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); |
| |
| 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 |
| static void NonFIPSAlg(void) |
| { |
| struct crypt_device *cd; |
| struct crypt_params_luks1 params = {0}; |
| char key[128] = ""; |
| size_t key_size = 128 / 8; |
| const char *cipher = "aes"; |
| const char *cipher_mode = "cbc-essiv:sha256"; |
| int ret; |
| |
| 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); |
| } |
| |
| 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) { |
| printf("You must be root to run this test.\n"); |
| exit(0); |
| } |
| |
| for (i = 1; i < argc; i++) { |
| if (!strcmp("-v", argv[i]) || !strcmp("--verbose", argv[i])) |
| _verbose = 1; |
| else if (!strcmp("--debug", argv[i])) |
| _debug = _verbose = 1; |
| } |
| |
| /* Handle interrupt properly */ |
| sigaction(SIGINT, &sa, NULL); |
| sigaction(SIGTERM, &sa, NULL); |
| |
| _cleanup(); |
| if (_setup()) |
| goto out; |
| |
| crypt_set_debug_level(_debug ? CRYPT_DEBUG_ALL : CRYPT_DEBUG_NONE); |
| |
| RUN_(NonFIPSAlg, "Crypto is properly initialised in format"); //must be the first! |
| RUN_(AddDevicePlain, "plain device API creation exercise"); |
| RUN_(HashDevicePlain, "plain device API hash test"); |
| RUN_(AddDeviceLuks, "Format and use LUKS device"); |
| RUN_(LuksHeaderLoad, "test header load"); |
| RUN_(LuksHeaderRestore, "test LUKS header restore"); |
| RUN_(LuksHeaderBackup, "test LUKS header backup"); |
| RUN_(ResizeDeviceLuks, "Luks device resize tests"); |
| 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; |
| } |