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.
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include "cryptsetup.h"
24 static const char *opt_cipher = NULL;
25 static const char *opt_hash = NULL;
26 static int opt_verify_passphrase = 0;
28 static const char *opt_key_file = NULL;
29 static int opt_keyfiles_count = 0;
30 static const char *opt_keyfiles[MAX_KEYFILES];
32 static const char *opt_master_key_file = NULL;
33 static const char *opt_header_backup_file = NULL;
34 static const char *opt_uuid = NULL;
35 static const char *opt_header_device = NULL;
36 static const char *opt_type = "luks";
37 static int opt_key_size = 0;
38 static long opt_keyfile_size = 0;
39 static long opt_new_keyfile_size = 0;
40 static long opt_keyfile_offset = 0;
41 static long opt_new_keyfile_offset = 0;
42 static int opt_key_slot = CRYPT_ANY_SLOT;
43 static uint64_t opt_size = 0;
44 static uint64_t opt_offset = 0;
45 static uint64_t opt_skip = 0;
46 static int opt_skip_valid = 0;
47 static int opt_readonly = 0;
48 static int opt_iteration_time = DEFAULT_LUKS1_ITER_TIME;
49 static int opt_version_mode = 0;
50 static int opt_timeout = 0;
51 static int opt_tries = 3;
52 static int opt_align_payload = 0;
53 static int opt_random = 0;
54 static int opt_urandom = 0;
55 static int opt_dump_master_key = 0;
56 static int opt_shared = 0;
57 static int opt_allow_discards = 0;
58 static int opt_test_passphrase = 0;
59 static int opt_hidden = 0;
61 static const char **action_argv;
62 static int action_argc;
63 static const char *null_action_argv[] = {NULL, NULL};
65 static int _verify_passphrase(int def)
67 /* Batch mode switch off verify - if not overrided by -y */
68 if (opt_verify_passphrase)
70 else if (opt_batch_mode)
73 /* Non-tty input doesn't allow verify */
74 if (def && !isatty(STDIN_FILENO)) {
75 if (opt_verify_passphrase)
76 log_err(_("Can't do passphrase verification on non-tty inputs.\n"));
83 static int action_open_plain(void)
85 struct crypt_device *cd = NULL;
86 char cipher[MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
87 struct crypt_params_plain params = {
88 .hash = opt_hash ?: DEFAULT_PLAIN_HASH,
93 char *password = NULL;
95 size_t key_size = (opt_key_size ?: DEFAULT_PLAIN_KEYBITS) / 8;
96 uint32_t activate_flags = 0;
99 if (params.hash && !strcmp(params.hash, "plain"))
102 /* FIXME: temporary hack */
103 if (opt_key_file && strcmp(opt_key_file, "-"))
106 if ((opt_keyfile_offset || opt_keyfile_size) && opt_key_file)
107 log_std(("Ignoring keyfile offset and size options, keyfile read "
108 "size is always the same as encryption key size.\n"));
110 r = crypt_parse_name_and_mode(opt_cipher ?: DEFAULT_CIPHER(PLAIN),
111 cipher, NULL, cipher_mode);
113 log_err("No known cipher specification pattern detected.\n");
117 if ((r = crypt_init(&cd, action_argv[0])))
120 crypt_set_timeout(cd, opt_timeout);
121 crypt_set_password_retry(cd, opt_tries);
123 r = crypt_format(cd, CRYPT_PLAIN,
132 activate_flags |= CRYPT_ACTIVATE_READONLY;
135 activate_flags |= CRYPT_ACTIVATE_SHARED;
137 if (opt_allow_discards)
138 activate_flags |= CRYPT_ACTIVATE_ALLOW_DISCARDS;
141 /* With hashing, read the whole keyfile */
142 r = crypt_activate_by_keyfile_offset(cd, action_argv[1],
143 CRYPT_ANY_SLOT, opt_key_file,
144 params.hash ? 0 : key_size, 0,
147 r = crypt_get_key(_("Enter passphrase: "),
148 &password, &passwordLen,
149 opt_keyfile_offset, opt_keyfile_size,
151 _verify_passphrase(0),
156 r = crypt_activate_by_passphrase(cd, action_argv[1],
157 CRYPT_ANY_SLOT, password, passwordLen, activate_flags);
161 crypt_safe_free(password);
166 static int action_open_loopaes(void)
168 struct crypt_device *cd = NULL;
169 struct crypt_params_loopaes params = {
170 .hash = opt_hash ?: NULL,
171 .offset = opt_offset,
172 .skip = opt_skip_valid ? opt_skip : opt_offset,
174 unsigned int key_size = (opt_key_size ?: DEFAULT_LOOPAES_KEYBITS) / 8;
175 uint32_t activate_flags = 0;
179 log_err(_("Option --key-file is required.\n"));
184 activate_flags |= CRYPT_ACTIVATE_READONLY;
186 if (opt_allow_discards)
187 activate_flags |= CRYPT_ACTIVATE_ALLOW_DISCARDS;
189 if ((r = crypt_init(&cd, action_argv[0])))
192 r = crypt_format(cd, CRYPT_LOOPAES, opt_cipher ?: DEFAULT_LOOPAES_CIPHER,
193 NULL, NULL, NULL, key_size, ¶ms);
197 r = crypt_activate_by_keyfile_offset(cd, action_argv[1], CRYPT_ANY_SLOT,
198 opt_key_file, opt_keyfile_size,
199 opt_keyfile_size, activate_flags);
206 static int action_open_tcrypt(void)
208 struct crypt_device *cd = NULL;
209 struct crypt_params_tcrypt params = {
210 .keyfiles = opt_keyfiles,
211 .keyfiles_count = opt_keyfiles_count,
212 .flags = CRYPT_TCRYPT_LEGACY_MODES,
214 const char *activated_name;
218 activated_name = opt_test_passphrase ? NULL : action_argv[1];
220 if ((r = crypt_init(&cd, action_argv[0])))
223 /* TCRYPT header is encrypted, get passphrase now */
224 r = crypt_get_key(_("Enter passphrase: "),
225 CONST_CAST(char**)¶ms.passphrase,
226 ¶ms.passphrase_size, 0, 0, NULL, opt_timeout,
227 _verify_passphrase(0), cd);
232 params.flags |= CRYPT_TCRYPT_HIDDEN_HEADER;
234 r = crypt_load(cd, CRYPT_TCRYPT, ¶ms);
239 flags |= CRYPT_ACTIVATE_READONLY;
242 r = crypt_activate_by_volume_key(cd, activated_name, NULL, 0, flags);
245 crypt_safe_free(CONST_CAST(char*)params.passphrase);
249 static int tcryptDump_with_volume_key(struct crypt_device *cd)
256 crypt_set_confirm_callback(cd, yesDialog, NULL);
258 _("Header dump with volume key is sensitive information\n"
259 "which allows access to encrypted partition without passphrase.\n"
260 "This dump should be always stored encrypted on safe place."),
264 vk_size = crypt_get_volume_key_size(cd);
265 vk = crypt_safe_alloc(vk_size);
269 r = crypt_volume_key_get(cd, CRYPT_ANY_SLOT, vk, &vk_size, NULL, 0);
273 log_std("TCRYPT header information for %s\n", crypt_get_device_name(cd));
274 log_std("Cipher chain: \t%s\n", crypt_get_cipher(cd));
275 log_std("Cipher mode: \t%s\n", crypt_get_cipher_mode(cd));
276 log_std("Payload offset:\t%d\n", (int)crypt_get_data_offset(cd));
277 log_std("MK bits: \t%d\n", (int)vk_size * 8);
278 log_std("MK dump:\t");
280 for(i = 0; i < vk_size; i++) {
283 log_std("%02hhx ", (char)vk[i]);
291 static int action_tcryptDump(void)
293 struct crypt_device *cd = NULL;
294 struct crypt_params_tcrypt params = {
295 .keyfiles = opt_keyfiles,
296 .keyfiles_count = opt_keyfiles_count,
297 .flags = CRYPT_TCRYPT_LEGACY_MODES,
301 if ((r = crypt_init(&cd, action_argv[0])))
304 /* TCRYPT header is encrypted, get passphrase now */
305 r = crypt_get_key(_("Enter passphrase: "),
306 CONST_CAST(char**)¶ms.passphrase,
307 ¶ms.passphrase_size, 0, 0, NULL, opt_timeout,
308 _verify_passphrase(0), cd);
313 params.flags |= CRYPT_TCRYPT_HIDDEN_HEADER;
315 r = crypt_load(cd, CRYPT_TCRYPT, ¶ms);
319 if (opt_dump_master_key)
320 r = tcryptDump_with_volume_key(cd);
325 crypt_safe_free(CONST_CAST(char*)params.passphrase);
329 static int action_close(void)
331 struct crypt_device *cd = NULL;
334 r = crypt_init_by_name(&cd, action_argv[0]);
336 r = crypt_deactivate(cd, action_argv[0]);
342 static int action_resize(void)
344 struct crypt_device *cd = NULL;
347 r = crypt_init_by_name_and_header(&cd, action_argv[0], opt_header_device);
349 r = crypt_resize(cd, action_argv[0], opt_size);
355 static int action_status(void)
357 crypt_status_info ci;
358 struct crypt_active_device cad;
359 struct crypt_device *cd = NULL;
365 /* perhaps a path, not a dm device name */
366 if (strchr(action_argv[0], '/') && !stat(action_argv[0], &st))
369 ci = crypt_status(NULL, action_argv[0]);
376 log_std("%s is inactive.\n", action_argv[0]);
378 log_std("%s/%s is inactive.\n", crypt_get_dir(), action_argv[0]);
384 log_std("%s is active%s.\n", action_argv[0],
385 ci == CRYPT_BUSY ? " and is in use" : "");
387 log_std("%s/%s is active%s.\n", crypt_get_dir(), action_argv[0],
388 ci == CRYPT_BUSY ? " and is in use" : "");
390 r = crypt_init_by_name_and_header(&cd, action_argv[0], opt_header_device);
391 if (r < 0 || !crypt_get_type(cd))
394 log_std(" type: %s\n", crypt_get_type(cd));
396 r = crypt_get_active_device(cd, action_argv[0], &cad);
400 log_std(" cipher: %s-%s\n", crypt_get_cipher(cd), crypt_get_cipher_mode(cd));
401 log_std(" keysize: %d bits\n", crypt_get_volume_key_size(cd) * 8);
402 device = crypt_get_device_name(cd);
403 log_std(" device: %s\n", device);
404 if (crypt_loop_device(device)) {
405 backing_file = crypt_loop_backing_file(device);
406 log_std(" loop: %s\n", backing_file);
409 log_std(" offset: %" PRIu64 " sectors\n", cad.offset);
410 log_std(" size: %" PRIu64 " sectors\n", cad.size);
412 log_std(" skipped: %" PRIu64 " sectors\n", cad.iv_offset);
413 log_std(" mode: %s\n", cad.flags & CRYPT_ACTIVATE_READONLY ?
414 "readonly" : "read/write");
415 if (cad.flags & CRYPT_ACTIVATE_ALLOW_DISCARDS)
416 log_std(" flags: discards\n");
425 static int action_benchmark(void)
433 { "aes", "cbc", 16, 16 },
434 { "serpent", "cbc", 16, 16 },
435 { "twofish", "cbc", 16, 16 },
436 { "aes", "cbc", 32, 16 },
437 { "serpent", "cbc", 32, 16 },
438 { "twofish", "cbc", 32, 16 },
439 { "aes", "xts", 32, 16 },
440 { "serpent", "xts", 32, 16 },
441 { "twofish", "xts", 32, 16 },
442 { "aes", "xts", 64, 16 },
443 { "serpent", "xts", 64, 16 },
444 { "twofish", "xts", 64, 16 },
447 char *header = "# Tests are approximate using memory only (no storage IO).\n"
448 "# Algorithm | Key | Encryption | Decryption\n";
449 char cipher[MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
450 double enc_mbr = 0, dec_mbr = 0;
451 int key_size = (opt_key_size ?: DEFAULT_PLAIN_KEYBITS);
452 int iv_size = 16, skipped = 0;
453 int buffer_size = 1024 * 1024;
458 r = crypt_parse_name_and_mode(opt_cipher, cipher, NULL, cipher_mode);
460 log_err(_("No known cipher specification pattern detected.\n"));
463 if ((c = strchr(cipher_mode, '-')))
466 /* FIXME: not really clever :) */
467 if (strstr(cipher, "des") ||
468 strstr(cipher, "blowfish") ||
469 strstr(cipher, "cast5"))
472 r = crypt_benchmark(NULL, cipher, cipher_mode,
473 key_size / 8, iv_size, buffer_size,
476 log_std("%s", header);
477 strncat(cipher, "-", MAX_CIPHER_LEN);
478 strncat(cipher, cipher_mode, MAX_CIPHER_LEN);
479 log_std("%12s %4db %5.1f MiB/s %5.1f MiB/s\n",
480 cipher, key_size, enc_mbr, dec_mbr);
481 } else if (r == -ENOENT)
482 log_err(_("Cipher %s is not available.\n"), opt_cipher);
484 for (i = 0; bciphers[i].cipher; i++) {
485 r = crypt_benchmark(NULL, bciphers[i].cipher, bciphers[i].mode,
486 bciphers[i].key_size, bciphers[i].iv_size,
487 buffer_size, &enc_mbr, &dec_mbr);
493 log_std("%s", header);
495 snprintf(cipher, MAX_CIPHER_LEN, "%s-%s",
496 bciphers[i].cipher, bciphers[i].mode);
498 log_std("%12s %4db %5.1f MiB/s %5.1f MiB/s\n",
499 cipher, bciphers[i].key_size*8, enc_mbr, dec_mbr);
501 log_std("%12s %4db %12s %12s\n", cipher,
502 bciphers[i].key_size*8, _("N/A"), _("N/A"));
504 if (skipped && skipped == i)
509 log_err( _("Required kernel crypto interface not available.\n"
510 "Ensure you have algif_skcipher kernel module loaded.\n"));
514 static int _read_mk(const char *file, char **key, int keysize)
518 *key = crypt_safe_alloc(keysize);
522 fd = open(file, O_RDONLY);
524 log_err("Cannot read keyfile %s.\n", file);
527 if ((read(fd, *key, keysize) != keysize)) {
528 log_err("Cannot read %d bytes from keyfile %s.\n", keysize, file);
535 crypt_safe_free(*key);
540 static int action_luksRepair(void)
542 struct crypt_device *cd = NULL;
545 if ((r = crypt_init(&cd, action_argv[0])))
548 /* Currently only LUKS1 allows repair */
549 crypt_set_log_callback(cd, quiet_log, NULL);
550 r = crypt_load(cd, CRYPT_LUKS1, NULL);
551 crypt_set_log_callback(cd, tool_log, NULL);
553 log_verbose( _("No known problems detected for LUKS header.\n"));
557 r = yesDialog(_("Really try to repair LUKS device header?"),
560 r = crypt_repair(cd, CRYPT_LUKS1, NULL);
566 static int action_luksFormat(void)
568 int r = -EINVAL, keysize;
569 const char *header_device;
570 char *msg = NULL, *key = NULL, cipher [MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
571 char *password = NULL;
573 struct crypt_device *cd = NULL;
574 struct crypt_params_luks1 params = {
575 .hash = opt_hash ?: DEFAULT_LUKS1_HASH,
576 .data_alignment = opt_align_payload,
577 .data_device = opt_header_device ? action_argv[0] : NULL,
580 header_device = opt_header_device ?: action_argv[0];
582 if(asprintf(&msg, _("This will overwrite data on %s irrevocably."),
583 header_device) == -1) {
584 log_err(_("memory allocation error in action_luksFormat"));
588 r = yesDialog(msg, NULL) ? 0 : -EINVAL;
593 r = crypt_parse_name_and_mode(opt_cipher ?: DEFAULT_CIPHER(LUKS1),
594 cipher, NULL, cipher_mode);
596 log_err(_("No known cipher specification pattern detected.\n"));
600 if ((r = crypt_init(&cd, header_device))) {
601 if (opt_header_device)
602 log_err(_("Cannot use %s as on-disk header.\n"), header_device);
606 keysize = (opt_key_size ?: DEFAULT_LUKS1_KEYBITS) / 8;
608 crypt_set_timeout(cd, opt_timeout);
609 if (opt_iteration_time)
610 crypt_set_iteration_time(cd, opt_iteration_time);
613 crypt_set_rng_type(cd, CRYPT_RNG_RANDOM);
614 else if (opt_urandom)
615 crypt_set_rng_type(cd, CRYPT_RNG_URANDOM);
617 r = crypt_get_key(_("Enter LUKS passphrase: "), &password, &passwordLen,
618 opt_keyfile_offset, opt_keyfile_size, opt_key_file,
619 opt_timeout, _verify_passphrase(1), cd);
623 if (opt_master_key_file) {
624 r = _read_mk(opt_master_key_file, &key, keysize);
629 r = crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode,
630 opt_uuid, key, keysize, ¶ms);
634 r = crypt_keyslot_add_by_volume_key(cd, opt_key_slot,
636 password, passwordLen);
639 crypt_safe_free(key);
640 crypt_safe_free(password);
645 static int action_open_luks(void)
647 struct crypt_device *cd = NULL;
648 const char *data_device, *header_device, *activated_name;
653 if (opt_header_device) {
654 header_device = uuid_or_device(opt_header_device);
655 data_device = action_argv[0];
657 header_device = uuid_or_device(action_argv[0]);
661 activated_name = opt_test_passphrase ? NULL : action_argv[1];
663 if ((r = crypt_init(&cd, header_device)))
666 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
670 (r = crypt_set_data_device(cd, data_device)))
673 if (!data_device && (crypt_get_data_offset(cd) < 8)) {
674 log_err(_("Reduced data offset is allowed only for detached LUKS header.\n"));
679 crypt_set_timeout(cd, opt_timeout);
680 crypt_set_password_retry(cd, opt_tries);
681 crypt_set_password_verify(cd, _verify_passphrase(0));
683 if (opt_iteration_time)
684 crypt_set_iteration_time(cd, opt_iteration_time);
687 flags |= CRYPT_ACTIVATE_READONLY;
689 if (opt_allow_discards)
690 flags |= CRYPT_ACTIVATE_ALLOW_DISCARDS;
692 if (opt_master_key_file) {
693 keysize = crypt_get_volume_key_size(cd);
694 r = _read_mk(opt_master_key_file, &key, keysize);
697 r = crypt_activate_by_volume_key(cd, activated_name,
698 key, keysize, flags);
699 } else if (opt_key_file) {
700 crypt_set_password_retry(cd, 1);
701 r = crypt_activate_by_keyfile_offset(cd, activated_name,
702 opt_key_slot, opt_key_file, opt_keyfile_size,
703 opt_keyfile_offset, flags);
705 r = crypt_activate_by_passphrase(cd, activated_name,
706 opt_key_slot, NULL, 0, flags);
708 crypt_safe_free(key);
713 static int verify_keyslot(struct crypt_device *cd, int key_slot,
714 char *msg_last, char *msg_pass,
715 const char *key_file, int keyfile_offset,
718 crypt_keyslot_info ki;
719 char *password = NULL;
723 ki = crypt_keyslot_status(cd, key_slot);
724 if (ki == CRYPT_SLOT_ACTIVE_LAST && msg_last && !yesDialog(msg_last, NULL))
727 r = crypt_get_key(msg_pass, &password, &passwordLen,
728 keyfile_offset, keyfile_size, key_file, opt_timeout,
729 _verify_passphrase(0), cd);
733 if (ki == CRYPT_SLOT_ACTIVE_LAST) {
734 /* check the last keyslot */
735 r = crypt_activate_by_passphrase(cd, NULL, key_slot,
736 password, passwordLen, 0);
738 /* try all other keyslots */
739 for (i = 0; i < crypt_keyslot_max(CRYPT_LUKS1); i++) {
742 ki = crypt_keyslot_status(cd, key_slot);
743 if (ki == CRYPT_SLOT_ACTIVE)
744 r = crypt_activate_by_passphrase(cd, NULL, i,
745 password, passwordLen, 0);
752 log_err(_("No key available with this passphrase.\n"));
754 crypt_safe_free(password);
758 static int action_luksKillSlot(void)
760 struct crypt_device *cd = NULL;
763 if ((r = crypt_init(&cd, uuid_or_device(action_argv[0]))))
766 crypt_set_confirm_callback(cd, yesDialog, NULL);
767 crypt_set_timeout(cd, opt_timeout);
769 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
772 switch (crypt_keyslot_status(cd, opt_key_slot)) {
773 case CRYPT_SLOT_ACTIVE_LAST:
774 case CRYPT_SLOT_ACTIVE:
775 log_verbose(_("Key slot %d selected for deletion.\n"), opt_key_slot);
777 case CRYPT_SLOT_INACTIVE:
778 log_err(_("Key %d not active. Can't wipe.\n"), opt_key_slot);
779 case CRYPT_SLOT_INVALID:
784 if (!opt_batch_mode) {
785 r = verify_keyslot(cd, opt_key_slot,
786 _("This is the last keyslot. Device will become unusable after purging this key."),
787 _("Enter any remaining LUKS passphrase: "),
788 opt_key_file, opt_keyfile_offset, opt_keyfile_size);
793 r = crypt_keyslot_destroy(cd, opt_key_slot);
799 static int action_luksRemoveKey(void)
801 struct crypt_device *cd = NULL;
802 char *password = NULL;
806 if ((r = crypt_init(&cd, uuid_or_device(action_argv[0]))))
809 crypt_set_confirm_callback(cd, yesDialog, NULL);
810 crypt_set_timeout(cd, opt_timeout);
812 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
815 r = crypt_get_key(_("Enter LUKS passphrase to be deleted: "),
816 &password, &passwordLen,
817 opt_keyfile_offset, opt_keyfile_size, opt_key_file,
819 _verify_passphrase(0),
824 r = crypt_activate_by_passphrase(cd, NULL, CRYPT_ANY_SLOT,
825 password, passwordLen, 0);
830 log_verbose(_("Key slot %d selected for deletion.\n"), opt_key_slot);
832 if (crypt_keyslot_status(cd, opt_key_slot) == CRYPT_SLOT_ACTIVE_LAST &&
833 !yesDialog(_("This is the last keyslot. "
834 "Device will become unusable after purging this key."),
840 r = crypt_keyslot_destroy(cd, opt_key_slot);
842 crypt_safe_free(password);
847 static int action_luksAddKey(void)
849 int r = -EINVAL, keysize = 0;
851 const char *opt_new_key_file = (action_argc > 1 ? action_argv[1] : NULL);
852 struct crypt_device *cd = NULL;
854 if ((r = crypt_init(&cd, uuid_or_device(action_argv[0]))))
857 crypt_set_confirm_callback(cd, yesDialog, NULL);
859 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
862 keysize = crypt_get_volume_key_size(cd);
863 /* FIXME: lib cannot properly set verification for new/old passphrase */
864 crypt_set_password_verify(cd, _verify_passphrase(0));
865 crypt_set_timeout(cd, opt_timeout);
866 if (opt_iteration_time)
867 crypt_set_iteration_time(cd, opt_iteration_time);
869 if (opt_master_key_file) {
870 r = _read_mk(opt_master_key_file, &key, keysize);
873 //FIXME: process keyfile arg
874 r = crypt_keyslot_add_by_volume_key(cd, opt_key_slot,
875 key, keysize, NULL, 0);
876 } else if (opt_key_file || opt_new_key_file) {
877 r = crypt_keyslot_add_by_keyfile_offset(cd, opt_key_slot,
878 opt_key_file, opt_keyfile_size, opt_keyfile_offset,
879 opt_new_key_file, opt_new_keyfile_size, opt_new_keyfile_offset);
881 r = crypt_keyslot_add_by_passphrase(cd, opt_key_slot,
886 crypt_safe_free(key);
890 static int _slots_full(struct crypt_device *cd)
894 for (i = 0; i < crypt_keyslot_max(crypt_get_type(cd)); i++)
895 if (crypt_keyslot_status(cd, i) == CRYPT_SLOT_INACTIVE)
900 static int action_luksChangeKey(void)
902 const char *opt_new_key_file = (action_argc > 1 ? action_argv[1] : NULL);
903 struct crypt_device *cd = NULL;
904 char *vk = NULL, *password = NULL;
905 size_t passwordLen = 0;
907 int new_key_slot, old_key_slot, r;
909 if ((r = crypt_init(&cd, uuid_or_device(action_argv[0]))))
912 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
915 if (opt_iteration_time)
916 crypt_set_iteration_time(cd, opt_iteration_time);
918 r = crypt_get_key(_("Enter LUKS passphrase to be changed: "),
919 &password, &passwordLen,
920 opt_keyfile_offset, opt_keyfile_size, opt_key_file,
921 opt_timeout, _verify_passphrase(0), cd);
925 vk_size = crypt_get_volume_key_size(cd);
926 vk = crypt_safe_alloc(vk_size);
932 r = crypt_volume_key_get(cd, opt_key_slot, vk, &vk_size,
933 password, passwordLen);
935 if (opt_key_slot != CRYPT_ANY_SLOT)
936 log_err(_("No key available with this passphrase.\n"));
940 if (opt_key_slot != CRYPT_ANY_SLOT || _slots_full(cd)) {
941 log_dbg("Key slot %d is going to be overwritten (%s).",
942 r, opt_key_slot != CRYPT_ANY_SLOT ?
943 "explicit key slot specified" : "no free key slot");
947 log_dbg("Allocating new key slot.");
949 new_key_slot = CRYPT_ANY_SLOT;
952 crypt_safe_free(password);
955 r = crypt_get_key(_("Enter new LUKS passphrase: "),
956 &password, &passwordLen,
957 opt_new_keyfile_offset, opt_new_keyfile_size,
959 opt_timeout, _verify_passphrase(0), cd);
963 if (new_key_slot == old_key_slot) {
964 (void)crypt_keyslot_destroy(cd, old_key_slot);
965 r = crypt_keyslot_add_by_volume_key(cd, new_key_slot,
967 password, passwordLen);
969 log_verbose(_("Key slot %d changed.\n"), r);
971 r = crypt_keyslot_add_by_volume_key(cd, CRYPT_ANY_SLOT,
973 password, passwordLen);
975 log_verbose(_("Replaced with key slot %d.\n"), r);
976 r = crypt_keyslot_destroy(cd, old_key_slot);
980 log_err(_("Failed to swap new key slot.\n"));
983 crypt_safe_free(password);
988 static int action_isLuks(void)
990 struct crypt_device *cd = NULL;
993 if ((r = crypt_init(&cd, action_argv[0])))
996 crypt_set_log_callback(cd, quiet_log, NULL);
997 r = crypt_load(cd, CRYPT_LUKS1, NULL);
1003 static int action_luksUUID(void)
1005 struct crypt_device *cd = NULL;
1006 const char *existing_uuid = NULL;
1009 if ((r = crypt_init(&cd, action_argv[0])))
1012 crypt_set_confirm_callback(cd, yesDialog, NULL);
1014 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
1018 r = crypt_set_uuid(cd, opt_uuid);
1020 existing_uuid = crypt_get_uuid(cd);
1021 log_std("%s\n", existing_uuid ?: "");
1022 r = existing_uuid ? 0 : 1;
1029 static int luksDump_with_volume_key(struct crypt_device *cd)
1031 char *vk = NULL, *password = NULL;
1032 size_t passwordLen = 0;
1037 crypt_set_confirm_callback(cd, yesDialog, NULL);
1039 _("Header dump with volume key is sensitive information\n"
1040 "which allows access to encrypted partition without passphrase.\n"
1041 "This dump should be always stored encrypted on safe place."),
1045 vk_size = crypt_get_volume_key_size(cd);
1046 vk = crypt_safe_alloc(vk_size);
1050 r = crypt_get_key(_("Enter LUKS passphrase: "), &password, &passwordLen,
1051 opt_keyfile_offset, opt_keyfile_size, opt_key_file,
1052 opt_timeout, 0, cd);
1056 r = crypt_volume_key_get(cd, CRYPT_ANY_SLOT, vk, &vk_size,
1057 password, passwordLen);
1061 log_std("LUKS header information for %s\n", crypt_get_device_name(cd));
1062 log_std("Cipher name: \t%s\n", crypt_get_cipher(cd));
1063 log_std("Cipher mode: \t%s\n", crypt_get_cipher_mode(cd));
1064 log_std("Payload offset:\t%d\n", (int)crypt_get_data_offset(cd));
1065 log_std("UUID: \t%s\n", crypt_get_uuid(cd));
1066 log_std("MK bits: \t%d\n", (int)vk_size * 8);
1067 log_std("MK dump:\t");
1069 for(i = 0; i < vk_size; i++) {
1072 log_std("%02hhx ", (char)vk[i]);
1077 crypt_safe_free(password);
1078 crypt_safe_free(vk);
1082 static int action_luksDump(void)
1084 struct crypt_device *cd = NULL;
1087 if ((r = crypt_init(&cd, uuid_or_device(action_argv[0]))))
1090 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
1093 if (opt_dump_master_key)
1094 r = luksDump_with_volume_key(cd);
1102 static int action_luksSuspend(void)
1104 struct crypt_device *cd = NULL;
1107 r = crypt_init_by_name_and_header(&cd, action_argv[0], opt_header_device);
1109 r = crypt_suspend(cd, action_argv[0]);
1115 static int action_luksResume(void)
1117 struct crypt_device *cd = NULL;
1120 if ((r = crypt_init_by_name_and_header(&cd, action_argv[0], opt_header_device)))
1123 crypt_set_timeout(cd, opt_timeout);
1124 crypt_set_password_retry(cd, opt_tries);
1125 crypt_set_password_verify(cd, _verify_passphrase(0));
1128 r = crypt_resume_by_keyfile_offset(cd, action_argv[0], CRYPT_ANY_SLOT,
1129 opt_key_file, opt_keyfile_size, opt_keyfile_offset);
1131 r = crypt_resume_by_passphrase(cd, action_argv[0], CRYPT_ANY_SLOT,
1138 static int action_luksBackup(void)
1140 struct crypt_device *cd = NULL;
1143 if (!opt_header_backup_file) {
1144 log_err(_("Option --header-backup-file is required.\n"));
1148 if ((r = crypt_init(&cd, uuid_or_device(action_argv[0]))))
1151 crypt_set_confirm_callback(cd, yesDialog, NULL);
1153 r = crypt_header_backup(cd, CRYPT_LUKS1, opt_header_backup_file);
1159 static int action_luksRestore(void)
1161 struct crypt_device *cd = NULL;
1164 if (!opt_header_backup_file) {
1165 log_err(_("Option --header-backup-file is required.\n"));
1169 if ((r = crypt_init(&cd, action_argv[0])))
1172 crypt_set_confirm_callback(cd, yesDialog, NULL);
1173 r = crypt_header_restore(cd, CRYPT_LUKS1, opt_header_backup_file);
1179 static int action_open(void)
1184 if (!strcmp(opt_type, "luks") || !strcmp(opt_type, "luks1")) {
1185 if (action_argc < 2 && !opt_test_passphrase)
1187 return action_open_luks();
1188 } else if (!strcmp(opt_type, "plain")) {
1189 if (action_argc < 2)
1191 return action_open_plain();
1192 } else if (!strcmp(opt_type, "loopaes")) {
1193 if (action_argc < 2)
1195 return action_open_loopaes();
1196 } else if (!strcmp(opt_type, "tcrypt")) {
1197 if (action_argc < 2 && !opt_test_passphrase)
1199 return action_open_tcrypt();
1202 log_err(_("Unrecognized metadata device type %s.\n"), opt_type);
1205 log_err(_("Command requires device and mapped name as arguments.\n"));
1209 static struct action_type {
1211 int (*handler)(void);
1212 int required_action_argc;
1213 int required_memlock;
1214 const char *arg_desc;
1216 } action_types[] = {
1217 { "open", action_open, 1, 1, N_("<device> [<name>]"),N_("open device as mapping <name>") },
1218 { "close", action_close, 1, 1, N_("<name>"), N_("close device (remove mapping)") },
1219 { "resize", action_resize, 1, 1, N_("<name>"), N_("resize active device") },
1220 { "status", action_status, 1, 0, N_("<name>"), N_("show device status") },
1221 { "benchmark", action_benchmark, 0, 0, N_("<name>"), N_("benchmark cipher") },
1222 { "repair", action_luksRepair, 1, 1, N_("<device>"), N_("try to repair on-disk metadata") },
1223 { "luksFormat", action_luksFormat, 1, 1, N_("<device> [<new key file>]"), N_("formats a LUKS device") },
1224 { "luksAddKey", action_luksAddKey, 1, 1, N_("<device> [<new key file>]"), N_("add key to LUKS device") },
1225 { "luksRemoveKey",action_luksRemoveKey,1, 1, N_("<device> [<key file>]"), N_("removes supplied key or key file from LUKS device") },
1226 { "luksChangeKey",action_luksChangeKey,1, 1, N_("<device> [<key file>]"), N_("changes supplied key or key file of LUKS device") },
1227 { "luksKillSlot", action_luksKillSlot, 2, 1, N_("<device> <key slot>"), N_("wipes key with number <key slot> from LUKS device") },
1228 { "luksUUID", action_luksUUID, 1, 0, N_("<device>"), N_("print UUID of LUKS device") },
1229 { "isLuks", action_isLuks, 1, 0, N_("<device>"), N_("tests <device> for LUKS partition header") },
1230 { "luksDump", action_luksDump, 1, 1, N_("<device>"), N_("dump LUKS partition information") },
1231 { "tcryptDump", action_tcryptDump, 1, 1, N_("<device>"), N_("dump TCRYPT device information") },
1232 { "luksSuspend", action_luksSuspend, 1, 1, N_("<device>"), N_("Suspend LUKS device and wipe key (all IOs are frozen).") },
1233 { "luksResume", action_luksResume, 1, 1, N_("<device>"), N_("Resume suspended LUKS device.") },
1234 { "luksHeaderBackup", action_luksBackup,1,1, N_("<device>"), N_("Backup LUKS device header and keyslots") },
1235 { "luksHeaderRestore",action_luksRestore,1,1,N_("<device>"), N_("Restore LUKS device header and keyslots") },
1239 static void help(poptContext popt_context,
1240 enum poptCallbackReason reason __attribute__((unused)),
1241 struct poptOption *key,
1242 const char *arg __attribute__((unused)),
1243 void *data __attribute__((unused)))
1245 if (key->shortName == '?') {
1246 struct action_type *action;
1248 log_std("%s\n",PACKAGE_STRING);
1250 poptPrintHelp(popt_context, stdout, 0);
1253 "<action> is one of:\n"));
1255 for(action = action_types; action->type; action++)
1256 log_std("\t%s %s - %s\n", action->type, _(action->arg_desc), _(action->desc));
1259 "<name> is the device to create under %s\n"
1260 "<device> is the encrypted device\n"
1261 "<key slot> is the LUKS key slot number to modify\n"
1262 "<key file> optional key file for the new key for luksAddKey action\n"),
1265 log_std(_("\nDefault compiled-in key and passphrase parameters:\n"
1266 "\tMaximum keyfile size: %dkB, "
1267 "Maximum interactive passphrase length %d (characters)\n"
1268 "Default PBKDF2 iteration time for LUKS: %d (ms)\n"),
1269 DEFAULT_KEYFILE_SIZE_MAXKB, DEFAULT_PASSPHRASE_SIZE_MAX,
1270 DEFAULT_LUKS1_ITER_TIME);
1272 log_std(_("\nDefault compiled-in device cipher parameters:\n"
1273 "\tloop-AES: %s, Key %d bits\n"
1274 "\tplain: %s, Key: %d bits, Password hashing: %s\n"
1275 "\tLUKS1: %s, Key: %d bits, LUKS header hashing: %s, RNG: %s\n"),
1276 DEFAULT_LOOPAES_CIPHER, DEFAULT_LOOPAES_KEYBITS,
1277 DEFAULT_CIPHER(PLAIN), DEFAULT_PLAIN_KEYBITS, DEFAULT_PLAIN_HASH,
1278 DEFAULT_CIPHER(LUKS1), DEFAULT_LUKS1_KEYBITS, DEFAULT_LUKS1_HASH,
1282 usage(popt_context, EXIT_SUCCESS, NULL, NULL);
1285 static void help_args(struct action_type *action, poptContext popt_context)
1289 snprintf(buf, sizeof(buf), _("%s: requires %s as arguments"), action->type, action->arg_desc);
1290 usage(popt_context, EXIT_FAILURE, buf, poptGetInvocationName(popt_context));
1293 static int run_action(struct action_type *action)
1297 log_dbg("Running command %s.", action->type);
1299 if (action->required_memlock)
1300 crypt_memory_lock(NULL, 1);
1302 r = action->handler();
1304 if (action->required_memlock)
1305 crypt_memory_lock(NULL, 0);
1307 /* Some functions returns keyslot # */
1312 return translate_errno(r);
1315 int main(int argc, const char **argv)
1317 static char *popt_tmp;
1318 static struct poptOption popt_help_options[] = {
1319 { NULL, '\0', POPT_ARG_CALLBACK, help, 0, NULL, NULL },
1320 { "help", '?', POPT_ARG_NONE, NULL, 0, N_("Show this help message"), NULL },
1321 { "usage", '\0', POPT_ARG_NONE, NULL, 0, N_("Display brief usage"), NULL },
1324 static struct poptOption popt_options[] = {
1325 { NULL, '\0', POPT_ARG_INCLUDE_TABLE, popt_help_options, 0, N_("Help options:"), NULL },
1326 { "version", '\0', POPT_ARG_NONE, &opt_version_mode, 0, N_("Print package version"), NULL },
1327 { "verbose", 'v', POPT_ARG_NONE, &opt_verbose, 0, N_("Shows more detailed error messages"), NULL },
1328 { "debug", '\0', POPT_ARG_NONE, &opt_debug, 0, N_("Show debug messages"), NULL },
1329 { "cipher", 'c', POPT_ARG_STRING, &opt_cipher, 0, N_("The cipher used to encrypt the disk (see /proc/crypto)"), NULL },
1330 { "hash", 'h', POPT_ARG_STRING, &opt_hash, 0, N_("The hash used to create the encryption key from the passphrase"), NULL },
1331 { "verify-passphrase", 'y', POPT_ARG_NONE, &opt_verify_passphrase, 0, N_("Verifies the passphrase by asking for it twice"), NULL },
1332 { "key-file", 'd', POPT_ARG_STRING, &opt_key_file, 5, N_("Read the key from a file."), NULL },
1333 { "master-key-file", '\0', POPT_ARG_STRING, &opt_master_key_file, 0, N_("Read the volume (master) key from file."), NULL },
1334 { "dump-master-key", '\0', POPT_ARG_NONE, &opt_dump_master_key, 0, N_("Dump volume (master) key instead of keyslots info."), NULL },
1335 { "key-size", 's', POPT_ARG_INT, &opt_key_size, 0, N_("The size of the encryption key"), N_("BITS") },
1336 { "keyfile-size", 'l', POPT_ARG_LONG, &opt_keyfile_size, 0, N_("Limits the read from keyfile"), N_("bytes") },
1337 { "keyfile-offset", '\0', POPT_ARG_LONG, &opt_keyfile_offset, 0, N_("Number of bytes to skip in keyfile"), N_("bytes") },
1338 { "new-keyfile-size", '\0', POPT_ARG_LONG, &opt_new_keyfile_size, 0, N_("Limits the read from newly added keyfile"), N_("bytes") },
1339 { "new-keyfile-offset",'\0', POPT_ARG_LONG, &opt_new_keyfile_offset, 0, N_("Number of bytes to skip in newly added keyfile"), N_("bytes") },
1340 { "key-slot", 'S', POPT_ARG_INT, &opt_key_slot, 0, N_("Slot number for new key (default is first free)"), NULL },
1341 { "size", 'b', POPT_ARG_STRING, &popt_tmp, 1, N_("The size of the device"), N_("SECTORS") },
1342 { "offset", 'o', POPT_ARG_STRING, &popt_tmp, 2, N_("The start offset in the backend device"), N_("SECTORS") },
1343 { "skip", 'p', POPT_ARG_STRING, &popt_tmp, 3, N_("How many sectors of the encrypted data to skip at the beginning"), N_("SECTORS") },
1344 { "readonly", 'r', POPT_ARG_NONE, &opt_readonly, 0, N_("Create a readonly mapping"), NULL },
1345 { "iter-time", 'i', POPT_ARG_INT, &opt_iteration_time, 0, N_("PBKDF2 iteration time for LUKS (in ms)"), N_("msecs") },
1346 { "batch-mode", 'q', POPT_ARG_NONE, &opt_batch_mode, 0, N_("Do not ask for confirmation"), NULL },
1347 { "timeout", 't', POPT_ARG_INT, &opt_timeout, 0, N_("Timeout for interactive passphrase prompt (in seconds)"), N_("secs") },
1348 { "tries", 'T', POPT_ARG_INT, &opt_tries, 0, N_("How often the input of the passphrase can be retried"), NULL },
1349 { "align-payload", '\0', POPT_ARG_INT, &opt_align_payload, 0, N_("Align payload at <n> sector boundaries - for luksFormat"), N_("SECTORS") },
1350 { "header-backup-file",'\0', POPT_ARG_STRING, &opt_header_backup_file, 0, N_("File with LUKS header and keyslots backup."), NULL },
1351 { "use-random", '\0', POPT_ARG_NONE, &opt_random, 0, N_("Use /dev/random for generating volume key."), NULL },
1352 { "use-urandom", '\0', POPT_ARG_NONE, &opt_urandom, 0, N_("Use /dev/urandom for generating volume key."), NULL },
1353 { "shared", '\0', POPT_ARG_NONE, &opt_shared, 0, N_("Share device with another non-overlapping crypt segment."), NULL },
1354 { "uuid", '\0', POPT_ARG_STRING, &opt_uuid, 0, N_("UUID for device to use."), NULL },
1355 { "allow-discards", '\0', POPT_ARG_NONE, &opt_allow_discards, 0, N_("Allow discards (aka TRIM) requests for device."), NULL },
1356 { "header", '\0', POPT_ARG_STRING, &opt_header_device, 0, N_("Device or file with separated LUKS header."), NULL },
1357 { "test-passphrase", '\0', POPT_ARG_NONE, &opt_test_passphrase, 0, N_("Do not activate device, just check passphrase."), NULL },
1358 { "hidden", '\0', POPT_ARG_NONE, &opt_hidden, 0, N_("Use hidden header (hidden TCRYPT device) ."), NULL },
1359 { "type", 'M', POPT_ARG_STRING, &opt_type, 0, N_("Type of device metadata: luks, plain, loopaes, tcrypt."), NULL },
1362 poptContext popt_context;
1363 struct action_type *action;
1367 crypt_set_log_callback(NULL, tool_log, NULL);
1369 setlocale(LC_ALL, "");
1370 bindtextdomain(PACKAGE, LOCALEDIR);
1371 textdomain(PACKAGE);
1373 crypt_fips_self_check(NULL);
1375 popt_context = poptGetContext(PACKAGE, argc, argv, popt_options, 0);
1376 poptSetOtherOptionHelp(popt_context,
1377 _("[OPTION...] <action> <action-specific>"));
1379 while((r = poptGetNextOpt(popt_context)) > 0) {
1380 unsigned long long ull_value;
1384 if (opt_keyfiles_count < MAX_KEYFILES)
1385 opt_keyfiles[opt_keyfiles_count++] = poptGetOptArg(popt_context);
1390 ull_value = strtoull(popt_tmp, &endp, 0);
1391 if (*endp || !*popt_tmp ||
1392 (errno == ERANGE && ull_value == ULLONG_MAX) ||
1393 (errno != 0 && ull_value == 0))
1394 r = POPT_ERROR_BADNUMBER;
1398 opt_size = ull_value;
1401 opt_offset = ull_value;
1404 opt_skip = ull_value;
1414 usage(popt_context, EXIT_FAILURE, poptStrerror(r),
1415 poptBadOption(popt_context, POPT_BADOPTION_NOALIAS));
1416 if (opt_version_mode) {
1417 log_std("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
1418 poptFreeContext(popt_context);
1422 if (!(aname = poptGetArg(popt_context)))
1423 usage(popt_context, EXIT_FAILURE, _("Argument <action> missing."),
1424 poptGetInvocationName(popt_context));
1427 action_argv = poptGetArgs(popt_context);
1428 /* Make return values of poptGetArgs more consistent in case of remaining argc = 0 */
1430 action_argv = null_action_argv;
1432 /* Count args, somewhat unnice, change? */
1433 while(action_argv[action_argc] != NULL)
1436 /* Handle aliases */
1437 if (!strcmp(aname, "create")) {
1438 /* create command had historically switched arguments */
1439 if (action_argv[0] && action_argv[1]) {
1440 const char *tmp = action_argv[0];
1441 action_argv[0] = action_argv[1];
1442 action_argv[1] = tmp;
1446 } else if (!strcmp(aname, "plainOpen")) {
1449 } else if (!strcmp(aname, "luksOpen")) {
1452 } else if (!strcmp(aname, "loopaesOpen")) {
1454 opt_type = "loopaes";
1455 } else if (!strcmp(aname, "tcryptOpen")) {
1457 opt_type = "tcrypt";
1458 } else if (!strcmp(aname, "remove") ||
1459 !strcmp(aname, "plainClose") ||
1460 !strcmp(aname, "luksClose") ||
1461 !strcmp(aname, "loopaesClose") ||
1462 !strcmp(aname, "tcryptClose")) {
1466 for(action = action_types; action->type; action++)
1467 if (strcmp(action->type, aname) == 0)
1471 usage(popt_context, EXIT_FAILURE, _("Unknown action."),
1472 poptGetInvocationName(popt_context));
1474 if(action_argc < action->required_action_argc)
1475 help_args(action, popt_context);
1477 /* FIXME: rewrite this from scratch */
1479 if (opt_shared && (strcmp(aname, "open") || strcmp(opt_type, "plain")) )
1480 usage(popt_context, EXIT_FAILURE,
1481 _("Option --shared is allowed only for open of plain device.\n"),
1482 poptGetInvocationName(popt_context));
1484 if (opt_allow_discards && strcmp(aname, "open"))
1485 usage(popt_context, EXIT_FAILURE,
1486 _("Option --allow-discards is allowed only for open operation.\n"),
1487 poptGetInvocationName(popt_context));
1490 strcmp(aname, "luksFormat") &&
1491 strcmp(aname, "open") &&
1492 strcmp(aname, "benchmark"))
1493 usage(popt_context, EXIT_FAILURE,
1494 _("Option --key-size is allowed only for luksFormat, open and benchmark.\n"
1495 "To limit read from keyfile use --keyfile-size=(bytes)."),
1496 poptGetInvocationName(popt_context));
1498 if (opt_test_passphrase && (strcmp(aname, "open") ||
1499 (strcmp(opt_type, "luks") && strcmp(opt_type, "tcrypt"))))
1500 usage(popt_context, EXIT_FAILURE,
1501 _("Option --test-passphrase is allowed only for open of LUKS and TCRYPT devices.\n"),
1502 poptGetInvocationName(popt_context));
1504 if (opt_key_size % 8)
1505 usage(popt_context, EXIT_FAILURE,
1506 _("Key size must be a multiple of 8 bits"),
1507 poptGetInvocationName(popt_context));
1509 if (!strcmp(aname, "luksKillSlot") && action_argc > 1)
1510 opt_key_slot = atoi(action_argv[1]);
1511 if (opt_key_slot != CRYPT_ANY_SLOT &&
1512 (opt_key_slot < 0 || opt_key_slot >= crypt_keyslot_max(CRYPT_LUKS1)))
1513 usage(popt_context, EXIT_FAILURE, _("Key slot is invalid."),
1514 poptGetInvocationName(popt_context));
1516 if ((!strcmp(aname, "luksRemoveKey") ||
1517 !strcmp(aname, "luksFormat")) &&
1520 log_err(_("Option --key-file takes precedence over specified key file argument.\n"));
1522 opt_key_file = action_argv[1];
1525 if (opt_keyfile_size < 0 || opt_new_keyfile_size < 0 || opt_key_size < 0 ||
1526 opt_keyfile_offset < 0 || opt_new_keyfile_offset < 0)
1527 usage(popt_context, EXIT_FAILURE,
1528 _("Negative number for option not permitted."),
1529 poptGetInvocationName(popt_context));
1531 if (opt_random && opt_urandom)
1532 usage(popt_context, EXIT_FAILURE, _("Only one of --use-[u]random options is allowed."),
1533 poptGetInvocationName(popt_context));
1535 if ((opt_random || opt_urandom) && strcmp(aname, "luksFormat"))
1536 usage(popt_context, EXIT_FAILURE, _("Option --use-[u]random is allowed only for luksFormat."),
1537 poptGetInvocationName(popt_context));
1539 if (opt_uuid && strcmp(aname, "luksFormat") && strcmp(aname, "luksUUID"))
1540 usage(popt_context, EXIT_FAILURE, _("Option --uuid is allowed only for luksFormat and luksUUID."),
1541 poptGetInvocationName(popt_context));
1543 if (opt_align_payload && strcmp(aname, "luksFormat"))
1544 usage(popt_context, EXIT_FAILURE, _("Option --align-payload is allowed only for luksFormat."),
1545 poptGetInvocationName(popt_context));
1547 if (opt_skip && (strcmp(aname, "open") ||
1548 (strcmp(opt_type, "plain") && strcmp(opt_type, "loopaes"))))
1549 usage(popt_context, EXIT_FAILURE,
1550 _("Option --skip is supported only for open of plain and loopaes devices.\n"),
1551 poptGetInvocationName(popt_context));
1553 if (opt_offset && (strcmp(aname, "open") ||
1554 (strcmp(opt_type, "plain") && strcmp(opt_type, "loopaes"))))
1555 usage(popt_context, EXIT_FAILURE,
1556 _("Option --offset is supported only for open of plain and loopaes devices.\n"),
1557 poptGetInvocationName(popt_context));
1559 if (opt_hidden && strcmp(aname, "tcryptDump") &&
1560 (strcmp(aname, "open") || strcmp(opt_type, "tcrypt")))
1561 usage(popt_context, EXIT_FAILURE,
1562 _("Option --hidden is supported only for TCRYPT device.\n"),
1563 poptGetInvocationName(popt_context));
1567 crypt_set_debug_level(-1);
1568 dbg_version_and_cmd(argc, argv);
1571 r = run_action(action);
1572 poptFreeContext(popt_context);