2 * cryptsetup - setup cryptographic volumes for dm-crypt
4 * Copyright (C) 2004, Christophe Saout <christophe@saout.de>
5 * Copyright (C) 2004-2007, Clemens Fruhwirth <clemens@endorphin.org>
6 * Copyright (C) 2009-2012, Red Hat, Inc. All rights reserved.
7 * Copyright (C) 2009-2012, Milan Broz
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "cryptsetup.h"
25 static const char *opt_cipher = NULL;
26 static const char *opt_hash = NULL;
27 static int opt_verify_passphrase = 0;
29 static const char *opt_key_file = NULL;
30 static int opt_keyfiles_count = 0;
31 static const char *opt_keyfiles[MAX_KEYFILES];
33 static const char *opt_master_key_file = NULL;
34 static const char *opt_header_backup_file = NULL;
35 static const char *opt_uuid = NULL;
36 static const char *opt_header_device = NULL;
37 static const char *opt_type = "luks";
38 static int opt_key_size = 0;
39 static long opt_keyfile_size = 0;
40 static long opt_new_keyfile_size = 0;
41 static long opt_keyfile_offset = 0;
42 static long opt_new_keyfile_offset = 0;
43 static int opt_key_slot = CRYPT_ANY_SLOT;
44 static uint64_t opt_size = 0;
45 static uint64_t opt_offset = 0;
46 static uint64_t opt_skip = 0;
47 static int opt_skip_valid = 0;
48 static int opt_readonly = 0;
49 static int opt_iteration_time = DEFAULT_LUKS1_ITER_TIME;
50 static int opt_version_mode = 0;
51 static int opt_timeout = 0;
52 static int opt_tries = 3;
53 static int opt_align_payload = 0;
54 static int opt_random = 0;
55 static int opt_urandom = 0;
56 static int opt_dump_master_key = 0;
57 static int opt_shared = 0;
58 static int opt_allow_discards = 0;
59 static int opt_test_passphrase = 0;
60 static int opt_hidden = 0;
62 static const char **action_argv;
63 static int action_argc;
64 static const char *null_action_argv[] = {NULL, NULL};
66 static int _verify_passphrase(int def)
68 /* Batch mode switch off verify - if not overrided by -y */
69 if (opt_verify_passphrase)
71 else if (opt_batch_mode)
74 /* Non-tty input doesn't allow verify */
75 if (def && !isatty(STDIN_FILENO)) {
76 if (opt_verify_passphrase)
77 log_err(_("Can't do passphrase verification on non-tty inputs.\n"));
84 static int action_open_plain(void)
86 struct crypt_device *cd = NULL;
87 char cipher[MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
88 struct crypt_params_plain params = {
89 .hash = opt_hash ?: DEFAULT_PLAIN_HASH,
94 char *password = NULL;
96 size_t key_size = (opt_key_size ?: DEFAULT_PLAIN_KEYBITS) / 8;
97 uint32_t activate_flags = 0;
100 if (params.hash && !strcmp(params.hash, "plain"))
103 /* FIXME: temporary hack */
104 if (opt_key_file && strcmp(opt_key_file, "-"))
107 if ((opt_keyfile_offset || opt_keyfile_size) && opt_key_file)
108 log_std(("Ignoring keyfile offset and size options, keyfile read "
109 "size is always the same as encryption key size.\n"));
111 r = crypt_parse_name_and_mode(opt_cipher ?: DEFAULT_CIPHER(PLAIN),
112 cipher, NULL, cipher_mode);
114 log_err("No known cipher specification pattern detected.\n");
118 if ((r = crypt_init(&cd, action_argv[0])))
121 crypt_set_timeout(cd, opt_timeout);
122 crypt_set_password_retry(cd, opt_tries);
124 r = crypt_format(cd, CRYPT_PLAIN,
133 activate_flags |= CRYPT_ACTIVATE_READONLY;
136 activate_flags |= CRYPT_ACTIVATE_SHARED;
138 if (opt_allow_discards)
139 activate_flags |= CRYPT_ACTIVATE_ALLOW_DISCARDS;
142 /* With hashing, read the whole keyfile */
143 r = crypt_activate_by_keyfile_offset(cd, action_argv[1],
144 CRYPT_ANY_SLOT, opt_key_file,
145 params.hash ? 0 : key_size, 0,
148 r = crypt_get_key(_("Enter passphrase: "),
149 &password, &passwordLen,
150 opt_keyfile_offset, opt_keyfile_size,
152 _verify_passphrase(0),
157 r = crypt_activate_by_passphrase(cd, action_argv[1],
158 CRYPT_ANY_SLOT, password, passwordLen, activate_flags);
162 crypt_safe_free(password);
167 static int action_open_loopaes(void)
169 struct crypt_device *cd = NULL;
170 struct crypt_params_loopaes params = {
171 .hash = opt_hash ?: NULL,
172 .offset = opt_offset,
173 .skip = opt_skip_valid ? opt_skip : opt_offset,
175 unsigned int key_size = (opt_key_size ?: DEFAULT_LOOPAES_KEYBITS) / 8;
176 uint32_t activate_flags = 0;
180 log_err(_("Option --key-file is required.\n"));
185 activate_flags |= CRYPT_ACTIVATE_READONLY;
187 if (opt_allow_discards)
188 activate_flags |= CRYPT_ACTIVATE_ALLOW_DISCARDS;
190 if ((r = crypt_init(&cd, action_argv[0])))
193 r = crypt_format(cd, CRYPT_LOOPAES, opt_cipher ?: DEFAULT_LOOPAES_CIPHER,
194 NULL, NULL, NULL, key_size, ¶ms);
198 r = crypt_activate_by_keyfile_offset(cd, action_argv[1], CRYPT_ANY_SLOT,
199 opt_key_file, opt_keyfile_size,
200 opt_keyfile_size, activate_flags);
207 static int action_open_tcrypt(void)
209 struct crypt_device *cd = NULL;
210 struct crypt_params_tcrypt params = {
211 .keyfiles = opt_keyfiles,
212 .keyfiles_count = opt_keyfiles_count,
213 .flags = CRYPT_TCRYPT_LEGACY_MODES,
215 const char *activated_name;
219 activated_name = opt_test_passphrase ? NULL : action_argv[1];
221 if ((r = crypt_init(&cd, action_argv[0])))
224 /* TCRYPT header is encrypted, get passphrase now */
225 r = crypt_get_key(_("Enter passphrase: "),
226 CONST_CAST(char**)¶ms.passphrase,
227 ¶ms.passphrase_size, 0, 0, NULL, opt_timeout,
228 _verify_passphrase(0), cd);
233 params.flags |= CRYPT_TCRYPT_HIDDEN_HEADER;
235 r = crypt_load(cd, CRYPT_TCRYPT, ¶ms);
240 flags |= CRYPT_ACTIVATE_READONLY;
243 r = crypt_activate_by_volume_key(cd, activated_name, NULL, 0, flags);
246 crypt_safe_free(CONST_CAST(char*)params.passphrase);
250 static int tcryptDump_with_volume_key(struct crypt_device *cd)
257 crypt_set_confirm_callback(cd, yesDialog, NULL);
259 _("Header dump with volume key is sensitive information\n"
260 "which allows access to encrypted partition without passphrase.\n"
261 "This dump should be always stored encrypted on safe place."),
265 vk_size = crypt_get_volume_key_size(cd);
266 vk = crypt_safe_alloc(vk_size);
270 r = crypt_volume_key_get(cd, CRYPT_ANY_SLOT, vk, &vk_size, NULL, 0);
274 log_std("TCRYPT header information for %s\n", crypt_get_device_name(cd));
275 log_std("Cipher chain: \t%s\n", crypt_get_cipher(cd));
276 log_std("Cipher mode: \t%s\n", crypt_get_cipher_mode(cd));
277 log_std("Payload offset:\t%d\n", (int)crypt_get_data_offset(cd));
278 log_std("MK bits: \t%d\n", (int)vk_size * 8);
279 log_std("MK dump:\t");
281 for(i = 0; i < vk_size; i++) {
284 log_std("%02hhx ", (char)vk[i]);
292 static int action_tcryptDump(void)
294 struct crypt_device *cd = NULL;
295 struct crypt_params_tcrypt params = {
296 .keyfiles = opt_keyfiles,
297 .keyfiles_count = opt_keyfiles_count,
298 .flags = CRYPT_TCRYPT_LEGACY_MODES,
302 if ((r = crypt_init(&cd, action_argv[0])))
305 /* TCRYPT header is encrypted, get passphrase now */
306 r = crypt_get_key(_("Enter passphrase: "),
307 CONST_CAST(char**)¶ms.passphrase,
308 ¶ms.passphrase_size, 0, 0, NULL, opt_timeout,
309 _verify_passphrase(0), cd);
314 params.flags |= CRYPT_TCRYPT_HIDDEN_HEADER;
316 r = crypt_load(cd, CRYPT_TCRYPT, ¶ms);
320 if (opt_dump_master_key)
321 r = tcryptDump_with_volume_key(cd);
326 crypt_safe_free(CONST_CAST(char*)params.passphrase);
330 static int action_close(void)
332 struct crypt_device *cd = NULL;
335 r = crypt_init_by_name(&cd, action_argv[0]);
337 r = crypt_deactivate(cd, action_argv[0]);
343 static int action_resize(void)
345 struct crypt_device *cd = NULL;
348 r = crypt_init_by_name_and_header(&cd, action_argv[0], opt_header_device);
350 r = crypt_resize(cd, action_argv[0], opt_size);
356 static int action_status(void)
358 crypt_status_info ci;
359 struct crypt_active_device cad;
360 struct crypt_device *cd = NULL;
366 /* perhaps a path, not a dm device name */
367 if (strchr(action_argv[0], '/') && !stat(action_argv[0], &st))
370 ci = crypt_status(NULL, action_argv[0]);
377 log_std("%s is inactive.\n", action_argv[0]);
379 log_std("%s/%s is inactive.\n", crypt_get_dir(), action_argv[0]);
385 log_std("%s is active%s.\n", action_argv[0],
386 ci == CRYPT_BUSY ? " and is in use" : "");
388 log_std("%s/%s is active%s.\n", crypt_get_dir(), action_argv[0],
389 ci == CRYPT_BUSY ? " and is in use" : "");
391 r = crypt_init_by_name_and_header(&cd, action_argv[0], opt_header_device);
392 if (r < 0 || !crypt_get_type(cd))
395 log_std(" type: %s\n", crypt_get_type(cd));
397 r = crypt_get_active_device(cd, action_argv[0], &cad);
401 log_std(" cipher: %s-%s\n", crypt_get_cipher(cd), crypt_get_cipher_mode(cd));
402 log_std(" keysize: %d bits\n", crypt_get_volume_key_size(cd) * 8);
403 device = crypt_get_device_name(cd);
404 log_std(" device: %s\n", device);
405 if (crypt_loop_device(device)) {
406 backing_file = crypt_loop_backing_file(device);
407 log_std(" loop: %s\n", backing_file);
410 log_std(" offset: %" PRIu64 " sectors\n", cad.offset);
411 log_std(" size: %" PRIu64 " sectors\n", cad.size);
413 log_std(" skipped: %" PRIu64 " sectors\n", cad.iv_offset);
414 log_std(" mode: %s\n", cad.flags & CRYPT_ACTIVATE_READONLY ?
415 "readonly" : "read/write");
416 if (cad.flags & CRYPT_ACTIVATE_ALLOW_DISCARDS)
417 log_std(" flags: discards\n");
426 static int action_benchmark_kdf(const char *hash)
431 r = crypt_benchmark_kdf(NULL, "pbkdf2", hash, "foo", 3, "bar", 3,
434 log_std("PBKDF2-%-9s N/A\n", hash);
436 log_std("PBKDF2-%-9s %7" PRIu64 " iterations per second\n",
441 static int action_benchmark(void)
449 { "aes", "cbc", 16, 16 },
450 { "serpent", "cbc", 16, 16 },
451 { "twofish", "cbc", 16, 16 },
452 { "aes", "cbc", 32, 16 },
453 { "serpent", "cbc", 32, 16 },
454 { "twofish", "cbc", 32, 16 },
455 { "aes", "xts", 32, 16 },
456 { "serpent", "xts", 32, 16 },
457 { "twofish", "xts", 32, 16 },
458 { "aes", "xts", 64, 16 },
459 { "serpent", "xts", 64, 16 },
460 { "twofish", "xts", 64, 16 },
463 char cipher[MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
464 double enc_mbr = 0, dec_mbr = 0;
465 int key_size = (opt_key_size ?: DEFAULT_PLAIN_KEYBITS);
466 int iv_size = 16, skipped = 0;
467 int buffer_size = 1024 * 1024;
471 log_std("# Tests are approximate using memory only (no storage IO).\n");
473 r = action_benchmark_kdf(opt_hash);
474 } else if (opt_cipher) {
475 r = crypt_parse_name_and_mode(opt_cipher, cipher, NULL, cipher_mode);
477 log_err(_("No known cipher specification pattern detected.\n"));
480 if ((c = strchr(cipher_mode, '-')))
483 /* FIXME: not really clever :) */
484 if (strstr(cipher, "des") ||
485 strstr(cipher, "blowfish") ||
486 strstr(cipher, "cast5"))
489 r = crypt_benchmark(NULL, cipher, cipher_mode,
490 key_size / 8, iv_size, buffer_size,
493 log_std("# Algorithm | Key | Encryption | Decryption\n");
494 strncat(cipher, "-", MAX_CIPHER_LEN);
495 strncat(cipher, cipher_mode, MAX_CIPHER_LEN);
496 log_std("%12s %4db %5.1f MiB/s %5.1f MiB/s\n",
497 cipher, key_size, enc_mbr, dec_mbr);
498 } else if (r == -ENOENT)
499 log_err(_("Cipher %s is not available.\n"), opt_cipher);
501 action_benchmark_kdf("sha1");
502 action_benchmark_kdf("sha256");
503 action_benchmark_kdf("sha512");
504 action_benchmark_kdf("ripemd160");
505 action_benchmark_kdf("whirlpool");
506 for (i = 0; bciphers[i].cipher; i++) {
507 r = crypt_benchmark(NULL, bciphers[i].cipher, bciphers[i].mode,
508 bciphers[i].key_size, bciphers[i].iv_size,
509 buffer_size, &enc_mbr, &dec_mbr);
515 log_std("# Algorithm | Key | Encryption | Decryption\n");
517 snprintf(cipher, MAX_CIPHER_LEN, "%s-%s",
518 bciphers[i].cipher, bciphers[i].mode);
520 log_std("%12s %4db %5.1f MiB/s %5.1f MiB/s\n",
521 cipher, bciphers[i].key_size*8, enc_mbr, dec_mbr);
523 log_std("%12s %4db %12s %12s\n", cipher,
524 bciphers[i].key_size*8, _("N/A"), _("N/A"));
526 if (skipped && skipped == i)
531 log_err( _("Required kernel crypto interface not available.\n"
532 "Ensure you have algif_skcipher kernel module loaded.\n"));
536 static int _read_mk(const char *file, char **key, int keysize)
540 *key = crypt_safe_alloc(keysize);
544 fd = open(file, O_RDONLY);
546 log_err("Cannot read keyfile %s.\n", file);
549 if ((read(fd, *key, keysize) != keysize)) {
550 log_err("Cannot read %d bytes from keyfile %s.\n", keysize, file);
557 crypt_safe_free(*key);
562 static int action_luksRepair(void)
564 struct crypt_device *cd = NULL;
567 if ((r = crypt_init(&cd, action_argv[0])))
570 /* Currently only LUKS1 allows repair */
571 crypt_set_log_callback(cd, quiet_log, NULL);
572 r = crypt_load(cd, CRYPT_LUKS1, NULL);
573 crypt_set_log_callback(cd, tool_log, NULL);
575 log_verbose( _("No known problems detected for LUKS header.\n"));
579 r = yesDialog(_("Really try to repair LUKS device header?"),
582 r = crypt_repair(cd, CRYPT_LUKS1, NULL);
588 static int action_luksFormat(void)
590 int r = -EINVAL, keysize;
591 const char *header_device;
592 char *msg = NULL, *key = NULL, cipher [MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
593 char *password = NULL;
595 struct crypt_device *cd = NULL;
596 struct crypt_params_luks1 params = {
597 .hash = opt_hash ?: DEFAULT_LUKS1_HASH,
598 .data_alignment = opt_align_payload,
599 .data_device = opt_header_device ? action_argv[0] : NULL,
602 header_device = opt_header_device ?: action_argv[0];
604 if(asprintf(&msg, _("This will overwrite data on %s irrevocably."),
605 header_device) == -1) {
606 log_err(_("memory allocation error in action_luksFormat"));
610 r = yesDialog(msg, NULL) ? 0 : -EINVAL;
615 r = crypt_parse_name_and_mode(opt_cipher ?: DEFAULT_CIPHER(LUKS1),
616 cipher, NULL, cipher_mode);
618 log_err(_("No known cipher specification pattern detected.\n"));
622 if ((r = crypt_init(&cd, header_device))) {
623 if (opt_header_device)
624 log_err(_("Cannot use %s as on-disk header.\n"), header_device);
628 keysize = (opt_key_size ?: DEFAULT_LUKS1_KEYBITS) / 8;
630 crypt_set_timeout(cd, opt_timeout);
631 if (opt_iteration_time)
632 crypt_set_iteration_time(cd, opt_iteration_time);
635 crypt_set_rng_type(cd, CRYPT_RNG_RANDOM);
636 else if (opt_urandom)
637 crypt_set_rng_type(cd, CRYPT_RNG_URANDOM);
639 r = crypt_get_key(_("Enter LUKS passphrase: "), &password, &passwordLen,
640 opt_keyfile_offset, opt_keyfile_size, opt_key_file,
641 opt_timeout, _verify_passphrase(1), cd);
645 if (opt_master_key_file) {
646 r = _read_mk(opt_master_key_file, &key, keysize);
651 r = crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode,
652 opt_uuid, key, keysize, ¶ms);
656 r = crypt_keyslot_add_by_volume_key(cd, opt_key_slot,
658 password, passwordLen);
661 crypt_safe_free(key);
662 crypt_safe_free(password);
667 static int action_open_luks(void)
669 struct crypt_device *cd = NULL;
670 const char *data_device, *header_device, *activated_name;
675 if (opt_header_device) {
676 header_device = uuid_or_device(opt_header_device);
677 data_device = action_argv[0];
679 header_device = uuid_or_device(action_argv[0]);
683 activated_name = opt_test_passphrase ? NULL : action_argv[1];
685 if ((r = crypt_init(&cd, header_device)))
688 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
692 (r = crypt_set_data_device(cd, data_device)))
695 if (!data_device && (crypt_get_data_offset(cd) < 8)) {
696 log_err(_("Reduced data offset is allowed only for detached LUKS header.\n"));
701 crypt_set_timeout(cd, opt_timeout);
702 crypt_set_password_retry(cd, opt_tries);
703 crypt_set_password_verify(cd, _verify_passphrase(0));
705 if (opt_iteration_time)
706 crypt_set_iteration_time(cd, opt_iteration_time);
709 flags |= CRYPT_ACTIVATE_READONLY;
711 if (opt_allow_discards)
712 flags |= CRYPT_ACTIVATE_ALLOW_DISCARDS;
714 if (opt_master_key_file) {
715 keysize = crypt_get_volume_key_size(cd);
716 r = _read_mk(opt_master_key_file, &key, keysize);
719 r = crypt_activate_by_volume_key(cd, activated_name,
720 key, keysize, flags);
721 } else if (opt_key_file) {
722 crypt_set_password_retry(cd, 1);
723 r = crypt_activate_by_keyfile_offset(cd, activated_name,
724 opt_key_slot, opt_key_file, opt_keyfile_size,
725 opt_keyfile_offset, flags);
727 r = crypt_activate_by_passphrase(cd, activated_name,
728 opt_key_slot, NULL, 0, flags);
730 crypt_safe_free(key);
735 static int verify_keyslot(struct crypt_device *cd, int key_slot,
736 char *msg_last, char *msg_pass,
737 const char *key_file, int keyfile_offset,
740 crypt_keyslot_info ki;
741 char *password = NULL;
745 ki = crypt_keyslot_status(cd, key_slot);
746 if (ki == CRYPT_SLOT_ACTIVE_LAST && msg_last && !yesDialog(msg_last, NULL))
749 r = crypt_get_key(msg_pass, &password, &passwordLen,
750 keyfile_offset, keyfile_size, key_file, opt_timeout,
751 _verify_passphrase(0), cd);
755 if (ki == CRYPT_SLOT_ACTIVE_LAST) {
756 /* check the last keyslot */
757 r = crypt_activate_by_passphrase(cd, NULL, key_slot,
758 password, passwordLen, 0);
760 /* try all other keyslots */
761 for (i = 0; i < crypt_keyslot_max(CRYPT_LUKS1); i++) {
764 ki = crypt_keyslot_status(cd, key_slot);
765 if (ki == CRYPT_SLOT_ACTIVE)
766 r = crypt_activate_by_passphrase(cd, NULL, i,
767 password, passwordLen, 0);
774 log_err(_("No key available with this passphrase.\n"));
776 crypt_safe_free(password);
780 static int action_luksKillSlot(void)
782 struct crypt_device *cd = NULL;
785 if ((r = crypt_init(&cd, uuid_or_device(action_argv[0]))))
788 crypt_set_confirm_callback(cd, yesDialog, NULL);
789 crypt_set_timeout(cd, opt_timeout);
791 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
794 switch (crypt_keyslot_status(cd, opt_key_slot)) {
795 case CRYPT_SLOT_ACTIVE_LAST:
796 case CRYPT_SLOT_ACTIVE:
797 log_verbose(_("Key slot %d selected for deletion.\n"), opt_key_slot);
799 case CRYPT_SLOT_INACTIVE:
800 log_err(_("Key %d not active. Can't wipe.\n"), opt_key_slot);
801 case CRYPT_SLOT_INVALID:
806 if (!opt_batch_mode) {
807 r = verify_keyslot(cd, opt_key_slot,
808 _("This is the last keyslot. Device will become unusable after purging this key."),
809 _("Enter any remaining LUKS passphrase: "),
810 opt_key_file, opt_keyfile_offset, opt_keyfile_size);
815 r = crypt_keyslot_destroy(cd, opt_key_slot);
821 static int action_luksRemoveKey(void)
823 struct crypt_device *cd = NULL;
824 char *password = NULL;
828 if ((r = crypt_init(&cd, uuid_or_device(action_argv[0]))))
831 crypt_set_confirm_callback(cd, yesDialog, NULL);
832 crypt_set_timeout(cd, opt_timeout);
834 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
837 r = crypt_get_key(_("Enter LUKS passphrase to be deleted: "),
838 &password, &passwordLen,
839 opt_keyfile_offset, opt_keyfile_size, opt_key_file,
841 _verify_passphrase(0),
846 r = crypt_activate_by_passphrase(cd, NULL, CRYPT_ANY_SLOT,
847 password, passwordLen, 0);
852 log_verbose(_("Key slot %d selected for deletion.\n"), opt_key_slot);
854 if (crypt_keyslot_status(cd, opt_key_slot) == CRYPT_SLOT_ACTIVE_LAST &&
855 !yesDialog(_("This is the last keyslot. "
856 "Device will become unusable after purging this key."),
862 r = crypt_keyslot_destroy(cd, opt_key_slot);
864 crypt_safe_free(password);
869 static int action_luksAddKey(void)
871 int r = -EINVAL, keysize = 0;
873 const char *opt_new_key_file = (action_argc > 1 ? action_argv[1] : NULL);
874 struct crypt_device *cd = NULL;
876 if ((r = crypt_init(&cd, uuid_or_device(action_argv[0]))))
879 crypt_set_confirm_callback(cd, yesDialog, NULL);
881 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
884 keysize = crypt_get_volume_key_size(cd);
885 /* FIXME: lib cannot properly set verification for new/old passphrase */
886 crypt_set_password_verify(cd, _verify_passphrase(0));
887 crypt_set_timeout(cd, opt_timeout);
888 if (opt_iteration_time)
889 crypt_set_iteration_time(cd, opt_iteration_time);
891 if (opt_master_key_file) {
892 r = _read_mk(opt_master_key_file, &key, keysize);
895 //FIXME: process keyfile arg
896 r = crypt_keyslot_add_by_volume_key(cd, opt_key_slot,
897 key, keysize, NULL, 0);
898 } else if (opt_key_file || opt_new_key_file) {
899 r = crypt_keyslot_add_by_keyfile_offset(cd, opt_key_slot,
900 opt_key_file, opt_keyfile_size, opt_keyfile_offset,
901 opt_new_key_file, opt_new_keyfile_size, opt_new_keyfile_offset);
903 r = crypt_keyslot_add_by_passphrase(cd, opt_key_slot,
908 crypt_safe_free(key);
912 static int _slots_full(struct crypt_device *cd)
916 for (i = 0; i < crypt_keyslot_max(crypt_get_type(cd)); i++)
917 if (crypt_keyslot_status(cd, i) == CRYPT_SLOT_INACTIVE)
922 static int action_luksChangeKey(void)
924 const char *opt_new_key_file = (action_argc > 1 ? action_argv[1] : NULL);
925 struct crypt_device *cd = NULL;
926 char *vk = NULL, *password = NULL;
927 size_t passwordLen = 0;
929 int new_key_slot, old_key_slot, r;
931 if ((r = crypt_init(&cd, uuid_or_device(action_argv[0]))))
934 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
937 if (opt_iteration_time)
938 crypt_set_iteration_time(cd, opt_iteration_time);
940 r = crypt_get_key(_("Enter LUKS passphrase to be changed: "),
941 &password, &passwordLen,
942 opt_keyfile_offset, opt_keyfile_size, opt_key_file,
943 opt_timeout, _verify_passphrase(0), cd);
947 vk_size = crypt_get_volume_key_size(cd);
948 vk = crypt_safe_alloc(vk_size);
954 r = crypt_volume_key_get(cd, opt_key_slot, vk, &vk_size,
955 password, passwordLen);
957 if (opt_key_slot != CRYPT_ANY_SLOT)
958 log_err(_("No key available with this passphrase.\n"));
962 if (opt_key_slot != CRYPT_ANY_SLOT || _slots_full(cd)) {
963 log_dbg("Key slot %d is going to be overwritten (%s).",
964 r, opt_key_slot != CRYPT_ANY_SLOT ?
965 "explicit key slot specified" : "no free key slot");
969 log_dbg("Allocating new key slot.");
971 new_key_slot = CRYPT_ANY_SLOT;
974 crypt_safe_free(password);
977 r = crypt_get_key(_("Enter new LUKS passphrase: "),
978 &password, &passwordLen,
979 opt_new_keyfile_offset, opt_new_keyfile_size,
981 opt_timeout, _verify_passphrase(0), cd);
985 if (new_key_slot == old_key_slot) {
986 (void)crypt_keyslot_destroy(cd, old_key_slot);
987 r = crypt_keyslot_add_by_volume_key(cd, new_key_slot,
989 password, passwordLen);
991 log_verbose(_("Key slot %d changed.\n"), r);
993 r = crypt_keyslot_add_by_volume_key(cd, CRYPT_ANY_SLOT,
995 password, passwordLen);
997 log_verbose(_("Replaced with key slot %d.\n"), r);
998 r = crypt_keyslot_destroy(cd, old_key_slot);
1002 log_err(_("Failed to swap new key slot.\n"));
1004 crypt_safe_free(vk);
1005 crypt_safe_free(password);
1010 static int action_isLuks(void)
1012 struct crypt_device *cd = NULL;
1015 if ((r = crypt_init(&cd, action_argv[0])))
1018 crypt_set_log_callback(cd, quiet_log, NULL);
1019 r = crypt_load(cd, CRYPT_LUKS1, NULL);
1025 static int action_luksUUID(void)
1027 struct crypt_device *cd = NULL;
1028 const char *existing_uuid = NULL;
1031 if ((r = crypt_init(&cd, action_argv[0])))
1034 crypt_set_confirm_callback(cd, yesDialog, NULL);
1036 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
1040 r = crypt_set_uuid(cd, opt_uuid);
1042 existing_uuid = crypt_get_uuid(cd);
1043 log_std("%s\n", existing_uuid ?: "");
1044 r = existing_uuid ? 0 : 1;
1051 static int luksDump_with_volume_key(struct crypt_device *cd)
1053 char *vk = NULL, *password = NULL;
1054 size_t passwordLen = 0;
1059 crypt_set_confirm_callback(cd, yesDialog, NULL);
1061 _("Header dump with volume key is sensitive information\n"
1062 "which allows access to encrypted partition without passphrase.\n"
1063 "This dump should be always stored encrypted on safe place."),
1067 vk_size = crypt_get_volume_key_size(cd);
1068 vk = crypt_safe_alloc(vk_size);
1072 r = crypt_get_key(_("Enter LUKS passphrase: "), &password, &passwordLen,
1073 opt_keyfile_offset, opt_keyfile_size, opt_key_file,
1074 opt_timeout, 0, cd);
1078 r = crypt_volume_key_get(cd, CRYPT_ANY_SLOT, vk, &vk_size,
1079 password, passwordLen);
1083 log_std("LUKS header information for %s\n", crypt_get_device_name(cd));
1084 log_std("Cipher name: \t%s\n", crypt_get_cipher(cd));
1085 log_std("Cipher mode: \t%s\n", crypt_get_cipher_mode(cd));
1086 log_std("Payload offset:\t%d\n", (int)crypt_get_data_offset(cd));
1087 log_std("UUID: \t%s\n", crypt_get_uuid(cd));
1088 log_std("MK bits: \t%d\n", (int)vk_size * 8);
1089 log_std("MK dump:\t");
1091 for(i = 0; i < vk_size; i++) {
1094 log_std("%02hhx ", (char)vk[i]);
1099 crypt_safe_free(password);
1100 crypt_safe_free(vk);
1104 static int action_luksDump(void)
1106 struct crypt_device *cd = NULL;
1109 if ((r = crypt_init(&cd, uuid_or_device(action_argv[0]))))
1112 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
1115 if (opt_dump_master_key)
1116 r = luksDump_with_volume_key(cd);
1124 static int action_luksSuspend(void)
1126 struct crypt_device *cd = NULL;
1129 r = crypt_init_by_name_and_header(&cd, action_argv[0], opt_header_device);
1131 r = crypt_suspend(cd, action_argv[0]);
1137 static int action_luksResume(void)
1139 struct crypt_device *cd = NULL;
1142 if ((r = crypt_init_by_name_and_header(&cd, action_argv[0], opt_header_device)))
1145 crypt_set_timeout(cd, opt_timeout);
1146 crypt_set_password_retry(cd, opt_tries);
1147 crypt_set_password_verify(cd, _verify_passphrase(0));
1150 r = crypt_resume_by_keyfile_offset(cd, action_argv[0], CRYPT_ANY_SLOT,
1151 opt_key_file, opt_keyfile_size, opt_keyfile_offset);
1153 r = crypt_resume_by_passphrase(cd, action_argv[0], CRYPT_ANY_SLOT,
1160 static int action_luksBackup(void)
1162 struct crypt_device *cd = NULL;
1165 if (!opt_header_backup_file) {
1166 log_err(_("Option --header-backup-file is required.\n"));
1170 if ((r = crypt_init(&cd, uuid_or_device(action_argv[0]))))
1173 crypt_set_confirm_callback(cd, yesDialog, NULL);
1175 r = crypt_header_backup(cd, CRYPT_LUKS1, opt_header_backup_file);
1181 static int action_luksRestore(void)
1183 struct crypt_device *cd = NULL;
1186 if (!opt_header_backup_file) {
1187 log_err(_("Option --header-backup-file is required.\n"));
1191 if ((r = crypt_init(&cd, action_argv[0])))
1194 crypt_set_confirm_callback(cd, yesDialog, NULL);
1195 r = crypt_header_restore(cd, CRYPT_LUKS1, opt_header_backup_file);
1201 static int action_open(void)
1206 if (!strcmp(opt_type, "luks") || !strcmp(opt_type, "luks1")) {
1207 if (action_argc < 2 && !opt_test_passphrase)
1209 return action_open_luks();
1210 } else if (!strcmp(opt_type, "plain")) {
1211 if (action_argc < 2)
1213 return action_open_plain();
1214 } else if (!strcmp(opt_type, "loopaes")) {
1215 if (action_argc < 2)
1217 return action_open_loopaes();
1218 } else if (!strcmp(opt_type, "tcrypt")) {
1219 if (action_argc < 2 && !opt_test_passphrase)
1221 return action_open_tcrypt();
1224 log_err(_("Unrecognized metadata device type %s.\n"), opt_type);
1227 log_err(_("Command requires device and mapped name as arguments.\n"));
1231 static struct action_type {
1233 int (*handler)(void);
1234 int required_action_argc;
1235 int required_memlock;
1236 const char *arg_desc;
1238 } action_types[] = {
1239 { "open", action_open, 1, 1, N_("<device> [--type <type>] [<name>]"),N_("open device as mapping <name>") },
1240 { "close", action_close, 1, 1, N_("<name>"), N_("close device (remove mapping)") },
1241 { "resize", action_resize, 1, 1, N_("<name>"), N_("resize active device") },
1242 { "status", action_status, 1, 0, N_("<name>"), N_("show device status") },
1243 { "benchmark", action_benchmark, 0, 0, N_("<name>"), N_("benchmark cipher") },
1244 { "repair", action_luksRepair, 1, 1, N_("<device>"), N_("try to repair on-disk metadata") },
1245 { "luksFormat", action_luksFormat, 1, 1, N_("<device> [<new key file>]"), N_("formats a LUKS device") },
1246 { "luksAddKey", action_luksAddKey, 1, 1, N_("<device> [<new key file>]"), N_("add key to LUKS device") },
1247 { "luksRemoveKey",action_luksRemoveKey,1, 1, N_("<device> [<key file>]"), N_("removes supplied key or key file from LUKS device") },
1248 { "luksChangeKey",action_luksChangeKey,1, 1, N_("<device> [<key file>]"), N_("changes supplied key or key file of LUKS device") },
1249 { "luksKillSlot", action_luksKillSlot, 2, 1, N_("<device> <key slot>"), N_("wipes key with number <key slot> from LUKS device") },
1250 { "luksUUID", action_luksUUID, 1, 0, N_("<device>"), N_("print UUID of LUKS device") },
1251 { "isLuks", action_isLuks, 1, 0, N_("<device>"), N_("tests <device> for LUKS partition header") },
1252 { "luksDump", action_luksDump, 1, 1, N_("<device>"), N_("dump LUKS partition information") },
1253 { "tcryptDump", action_tcryptDump, 1, 1, N_("<device>"), N_("dump TCRYPT device information") },
1254 { "luksSuspend", action_luksSuspend, 1, 1, N_("<device>"), N_("Suspend LUKS device and wipe key (all IOs are frozen).") },
1255 { "luksResume", action_luksResume, 1, 1, N_("<device>"), N_("Resume suspended LUKS device.") },
1256 { "luksHeaderBackup", action_luksBackup,1,1, N_("<device>"), N_("Backup LUKS device header and keyslots") },
1257 { "luksHeaderRestore",action_luksRestore,1,1,N_("<device>"), N_("Restore LUKS device header and keyslots") },
1261 static void help(poptContext popt_context,
1262 enum poptCallbackReason reason __attribute__((unused)),
1263 struct poptOption *key,
1264 const char *arg __attribute__((unused)),
1265 void *data __attribute__((unused)))
1267 if (key->shortName == '?') {
1268 struct action_type *action;
1270 log_std("%s\n",PACKAGE_STRING);
1272 poptPrintHelp(popt_context, stdout, 0);
1275 "<action> is one of:\n"));
1277 for(action = action_types; action->type; action++)
1278 log_std("\t%s %s - %s\n", action->type, _(action->arg_desc), _(action->desc));
1281 "You can also use old <action> syntax aliases:\n"
1282 "\topen: create (plainOpen), luksOpen, loopaesOpen, tcryptOpen\n"
1283 "\tclose: remove (plainClose), luksClose, loopaesClose, tcryptClose\n"));
1285 "<name> is the device to create under %s\n"
1286 "<device> is the encrypted device\n"
1287 "<key slot> is the LUKS key slot number to modify\n"
1288 "<key file> optional key file for the new key for luksAddKey action\n"),
1291 log_std(_("\nDefault compiled-in key and passphrase parameters:\n"
1292 "\tMaximum keyfile size: %dkB, "
1293 "Maximum interactive passphrase length %d (characters)\n"
1294 "Default PBKDF2 iteration time for LUKS: %d (ms)\n"),
1295 DEFAULT_KEYFILE_SIZE_MAXKB, DEFAULT_PASSPHRASE_SIZE_MAX,
1296 DEFAULT_LUKS1_ITER_TIME);
1298 log_std(_("\nDefault compiled-in device cipher parameters:\n"
1299 "\tloop-AES: %s, Key %d bits\n"
1300 "\tplain: %s, Key: %d bits, Password hashing: %s\n"
1301 "\tLUKS1: %s, Key: %d bits, LUKS header hashing: %s, RNG: %s\n"),
1302 DEFAULT_LOOPAES_CIPHER, DEFAULT_LOOPAES_KEYBITS,
1303 DEFAULT_CIPHER(PLAIN), DEFAULT_PLAIN_KEYBITS, DEFAULT_PLAIN_HASH,
1304 DEFAULT_CIPHER(LUKS1), DEFAULT_LUKS1_KEYBITS, DEFAULT_LUKS1_HASH,
1308 usage(popt_context, EXIT_SUCCESS, NULL, NULL);
1311 static void help_args(struct action_type *action, poptContext popt_context)
1315 snprintf(buf, sizeof(buf), _("%s: requires %s as arguments"), action->type, action->arg_desc);
1316 usage(popt_context, EXIT_FAILURE, buf, poptGetInvocationName(popt_context));
1319 static int run_action(struct action_type *action)
1323 log_dbg("Running command %s.", action->type);
1325 if (action->required_memlock)
1326 crypt_memory_lock(NULL, 1);
1328 r = action->handler();
1330 if (action->required_memlock)
1331 crypt_memory_lock(NULL, 0);
1333 /* Some functions returns keyslot # */
1338 return translate_errno(r);
1341 int main(int argc, const char **argv)
1343 static char *popt_tmp;
1344 static struct poptOption popt_help_options[] = {
1345 { NULL, '\0', POPT_ARG_CALLBACK, help, 0, NULL, NULL },
1346 { "help", '?', POPT_ARG_NONE, NULL, 0, N_("Show this help message"), NULL },
1347 { "usage", '\0', POPT_ARG_NONE, NULL, 0, N_("Display brief usage"), NULL },
1350 static struct poptOption popt_options[] = {
1351 { NULL, '\0', POPT_ARG_INCLUDE_TABLE, popt_help_options, 0, N_("Help options:"), NULL },
1352 { "version", '\0', POPT_ARG_NONE, &opt_version_mode, 0, N_("Print package version"), NULL },
1353 { "verbose", 'v', POPT_ARG_NONE, &opt_verbose, 0, N_("Shows more detailed error messages"), NULL },
1354 { "debug", '\0', POPT_ARG_NONE, &opt_debug, 0, N_("Show debug messages"), NULL },
1355 { "cipher", 'c', POPT_ARG_STRING, &opt_cipher, 0, N_("The cipher used to encrypt the disk (see /proc/crypto)"), NULL },
1356 { "hash", 'h', POPT_ARG_STRING, &opt_hash, 0, N_("The hash used to create the encryption key from the passphrase"), NULL },
1357 { "verify-passphrase", 'y', POPT_ARG_NONE, &opt_verify_passphrase, 0, N_("Verifies the passphrase by asking for it twice"), NULL },
1358 { "key-file", 'd', POPT_ARG_STRING, &opt_key_file, 5, N_("Read the key from a file."), NULL },
1359 { "master-key-file", '\0', POPT_ARG_STRING, &opt_master_key_file, 0, N_("Read the volume (master) key from file."), NULL },
1360 { "dump-master-key", '\0', POPT_ARG_NONE, &opt_dump_master_key, 0, N_("Dump volume (master) key instead of keyslots info."), NULL },
1361 { "key-size", 's', POPT_ARG_INT, &opt_key_size, 0, N_("The size of the encryption key"), N_("BITS") },
1362 { "keyfile-size", 'l', POPT_ARG_LONG, &opt_keyfile_size, 0, N_("Limits the read from keyfile"), N_("bytes") },
1363 { "keyfile-offset", '\0', POPT_ARG_LONG, &opt_keyfile_offset, 0, N_("Number of bytes to skip in keyfile"), N_("bytes") },
1364 { "new-keyfile-size", '\0', POPT_ARG_LONG, &opt_new_keyfile_size, 0, N_("Limits the read from newly added keyfile"), N_("bytes") },
1365 { "new-keyfile-offset",'\0', POPT_ARG_LONG, &opt_new_keyfile_offset, 0, N_("Number of bytes to skip in newly added keyfile"), N_("bytes") },
1366 { "key-slot", 'S', POPT_ARG_INT, &opt_key_slot, 0, N_("Slot number for new key (default is first free)"), NULL },
1367 { "size", 'b', POPT_ARG_STRING, &popt_tmp, 1, N_("The size of the device"), N_("SECTORS") },
1368 { "offset", 'o', POPT_ARG_STRING, &popt_tmp, 2, N_("The start offset in the backend device"), N_("SECTORS") },
1369 { "skip", 'p', POPT_ARG_STRING, &popt_tmp, 3, N_("How many sectors of the encrypted data to skip at the beginning"), N_("SECTORS") },
1370 { "readonly", 'r', POPT_ARG_NONE, &opt_readonly, 0, N_("Create a readonly mapping"), NULL },
1371 { "iter-time", 'i', POPT_ARG_INT, &opt_iteration_time, 0, N_("PBKDF2 iteration time for LUKS (in ms)"), N_("msecs") },
1372 { "batch-mode", 'q', POPT_ARG_NONE, &opt_batch_mode, 0, N_("Do not ask for confirmation"), NULL },
1373 { "timeout", 't', POPT_ARG_INT, &opt_timeout, 0, N_("Timeout for interactive passphrase prompt (in seconds)"), N_("secs") },
1374 { "tries", 'T', POPT_ARG_INT, &opt_tries, 0, N_("How often the input of the passphrase can be retried"), NULL },
1375 { "align-payload", '\0', POPT_ARG_INT, &opt_align_payload, 0, N_("Align payload at <n> sector boundaries - for luksFormat"), N_("SECTORS") },
1376 { "header-backup-file",'\0', POPT_ARG_STRING, &opt_header_backup_file, 0, N_("File with LUKS header and keyslots backup."), NULL },
1377 { "use-random", '\0', POPT_ARG_NONE, &opt_random, 0, N_("Use /dev/random for generating volume key."), NULL },
1378 { "use-urandom", '\0', POPT_ARG_NONE, &opt_urandom, 0, N_("Use /dev/urandom for generating volume key."), NULL },
1379 { "shared", '\0', POPT_ARG_NONE, &opt_shared, 0, N_("Share device with another non-overlapping crypt segment."), NULL },
1380 { "uuid", '\0', POPT_ARG_STRING, &opt_uuid, 0, N_("UUID for device to use."), NULL },
1381 { "allow-discards", '\0', POPT_ARG_NONE, &opt_allow_discards, 0, N_("Allow discards (aka TRIM) requests for device."), NULL },
1382 { "header", '\0', POPT_ARG_STRING, &opt_header_device, 0, N_("Device or file with separated LUKS header."), NULL },
1383 { "test-passphrase", '\0', POPT_ARG_NONE, &opt_test_passphrase, 0, N_("Do not activate device, just check passphrase."), NULL },
1384 { "hidden", '\0', POPT_ARG_NONE, &opt_hidden, 0, N_("Use hidden header (hidden TCRYPT device) ."), NULL },
1385 { "type", 'M', POPT_ARG_STRING, &opt_type, 0, N_("Type of device metadata: luks, plain, loopaes, tcrypt."), NULL },
1388 poptContext popt_context;
1389 struct action_type *action;
1393 crypt_set_log_callback(NULL, tool_log, NULL);
1395 setlocale(LC_ALL, "");
1396 bindtextdomain(PACKAGE, LOCALEDIR);
1397 textdomain(PACKAGE);
1399 crypt_fips_self_check(NULL);
1401 popt_context = poptGetContext(PACKAGE, argc, argv, popt_options, 0);
1402 poptSetOtherOptionHelp(popt_context,
1403 _("[OPTION...] <action> <action-specific>"));
1405 while((r = poptGetNextOpt(popt_context)) > 0) {
1406 unsigned long long ull_value;
1410 if (opt_keyfiles_count < MAX_KEYFILES)
1411 opt_keyfiles[opt_keyfiles_count++] = poptGetOptArg(popt_context);
1416 ull_value = strtoull(popt_tmp, &endp, 0);
1417 if (*endp || !*popt_tmp ||
1418 (errno == ERANGE && ull_value == ULLONG_MAX) ||
1419 (errno != 0 && ull_value == 0))
1420 r = POPT_ERROR_BADNUMBER;
1424 opt_size = ull_value;
1427 opt_offset = ull_value;
1430 opt_skip = ull_value;
1440 usage(popt_context, EXIT_FAILURE, poptStrerror(r),
1441 poptBadOption(popt_context, POPT_BADOPTION_NOALIAS));
1442 if (opt_version_mode) {
1443 log_std("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
1444 poptFreeContext(popt_context);
1448 if (!(aname = poptGetArg(popt_context)))
1449 usage(popt_context, EXIT_FAILURE, _("Argument <action> missing."),
1450 poptGetInvocationName(popt_context));
1453 action_argv = poptGetArgs(popt_context);
1454 /* Make return values of poptGetArgs more consistent in case of remaining argc = 0 */
1456 action_argv = null_action_argv;
1458 /* Count args, somewhat unnice, change? */
1459 while(action_argv[action_argc] != NULL)
1462 /* Handle aliases */
1463 if (!strcmp(aname, "create")) {
1464 /* create command had historically switched arguments */
1465 if (action_argv[0] && action_argv[1]) {
1466 const char *tmp = action_argv[0];
1467 action_argv[0] = action_argv[1];
1468 action_argv[1] = tmp;
1472 } else if (!strcmp(aname, "plainOpen")) {
1475 } else if (!strcmp(aname, "luksOpen")) {
1478 } else if (!strcmp(aname, "loopaesOpen")) {
1480 opt_type = "loopaes";
1481 } else if (!strcmp(aname, "tcryptOpen")) {
1483 opt_type = "tcrypt";
1484 } else if (!strcmp(aname, "remove") ||
1485 !strcmp(aname, "plainClose") ||
1486 !strcmp(aname, "luksClose") ||
1487 !strcmp(aname, "loopaesClose") ||
1488 !strcmp(aname, "tcryptClose")) {
1492 for(action = action_types; action->type; action++)
1493 if (strcmp(action->type, aname) == 0)
1497 usage(popt_context, EXIT_FAILURE, _("Unknown action."),
1498 poptGetInvocationName(popt_context));
1500 if(action_argc < action->required_action_argc)
1501 help_args(action, popt_context);
1503 /* FIXME: rewrite this from scratch */
1505 if (opt_shared && (strcmp(aname, "open") || strcmp(opt_type, "plain")) )
1506 usage(popt_context, EXIT_FAILURE,
1507 _("Option --shared is allowed only for open of plain device.\n"),
1508 poptGetInvocationName(popt_context));
1510 if (opt_allow_discards && strcmp(aname, "open"))
1511 usage(popt_context, EXIT_FAILURE,
1512 _("Option --allow-discards is allowed only for open operation.\n"),
1513 poptGetInvocationName(popt_context));
1516 strcmp(aname, "luksFormat") &&
1517 strcmp(aname, "open") &&
1518 strcmp(aname, "benchmark"))
1519 usage(popt_context, EXIT_FAILURE,
1520 _("Option --key-size is allowed only for luksFormat, open and benchmark.\n"
1521 "To limit read from keyfile use --keyfile-size=(bytes)."),
1522 poptGetInvocationName(popt_context));
1524 if (opt_test_passphrase && (strcmp(aname, "open") ||
1525 (strcmp(opt_type, "luks") && strcmp(opt_type, "tcrypt"))))
1526 usage(popt_context, EXIT_FAILURE,
1527 _("Option --test-passphrase is allowed only for open of LUKS and TCRYPT devices.\n"),
1528 poptGetInvocationName(popt_context));
1530 if (opt_key_size % 8)
1531 usage(popt_context, EXIT_FAILURE,
1532 _("Key size must be a multiple of 8 bits"),
1533 poptGetInvocationName(popt_context));
1535 if (!strcmp(aname, "luksKillSlot") && action_argc > 1)
1536 opt_key_slot = atoi(action_argv[1]);
1537 if (opt_key_slot != CRYPT_ANY_SLOT &&
1538 (opt_key_slot < 0 || opt_key_slot >= crypt_keyslot_max(CRYPT_LUKS1)))
1539 usage(popt_context, EXIT_FAILURE, _("Key slot is invalid."),
1540 poptGetInvocationName(popt_context));
1542 if ((!strcmp(aname, "luksRemoveKey") ||
1543 !strcmp(aname, "luksFormat")) &&
1546 log_err(_("Option --key-file takes precedence over specified key file argument.\n"));
1548 opt_key_file = action_argv[1];
1551 if (opt_keyfile_size < 0 || opt_new_keyfile_size < 0 || opt_key_size < 0 ||
1552 opt_keyfile_offset < 0 || opt_new_keyfile_offset < 0)
1553 usage(popt_context, EXIT_FAILURE,
1554 _("Negative number for option not permitted."),
1555 poptGetInvocationName(popt_context));
1557 if (opt_random && opt_urandom)
1558 usage(popt_context, EXIT_FAILURE, _("Only one of --use-[u]random options is allowed."),
1559 poptGetInvocationName(popt_context));
1561 if ((opt_random || opt_urandom) && strcmp(aname, "luksFormat"))
1562 usage(popt_context, EXIT_FAILURE, _("Option --use-[u]random is allowed only for luksFormat."),
1563 poptGetInvocationName(popt_context));
1565 if (opt_uuid && strcmp(aname, "luksFormat") && strcmp(aname, "luksUUID"))
1566 usage(popt_context, EXIT_FAILURE, _("Option --uuid is allowed only for luksFormat and luksUUID."),
1567 poptGetInvocationName(popt_context));
1569 if (opt_align_payload && strcmp(aname, "luksFormat"))
1570 usage(popt_context, EXIT_FAILURE, _("Option --align-payload is allowed only for luksFormat."),
1571 poptGetInvocationName(popt_context));
1573 if (opt_skip && (strcmp(aname, "open") ||
1574 (strcmp(opt_type, "plain") && strcmp(opt_type, "loopaes"))))
1575 usage(popt_context, EXIT_FAILURE,
1576 _("Option --skip is supported only for open of plain and loopaes devices.\n"),
1577 poptGetInvocationName(popt_context));
1579 if (opt_offset && (strcmp(aname, "open") ||
1580 (strcmp(opt_type, "plain") && strcmp(opt_type, "loopaes"))))
1581 usage(popt_context, EXIT_FAILURE,
1582 _("Option --offset is supported only for open of plain and loopaes devices.\n"),
1583 poptGetInvocationName(popt_context));
1585 if (opt_hidden && strcmp(aname, "tcryptDump") &&
1586 (strcmp(aname, "open") || strcmp(opt_type, "tcrypt")))
1587 usage(popt_context, EXIT_FAILURE,
1588 _("Option --hidden is supported only for TCRYPT device.\n"),
1589 poptGetInvocationName(popt_context));
1593 crypt_set_debug_level(-1);
1594 dbg_version_and_cmd(argc, argv);
1597 r = run_action(action);
1598 poptFreeContext(popt_context);