12 #include <libcryptsetup.h>
15 #include "../config.h"
17 #include "cryptsetup.h"
19 static int opt_verbose = 0;
20 static int opt_debug = 0;
21 static char *opt_cipher = NULL;
22 static char *opt_hash = NULL;
23 static int opt_verify_passphrase = 0;
24 static char *opt_key_file = NULL;
25 static char *opt_master_key_file = NULL;
26 static char *opt_header_backup_file = NULL;
27 static char *opt_uuid = NULL;
28 static unsigned int opt_key_size = 0;
29 static unsigned int opt_keyfile_size = 0;
30 static unsigned int opt_new_keyfile_size = 0;
31 static int opt_key_slot = CRYPT_ANY_SLOT;
32 static uint64_t opt_size = 0;
33 static uint64_t opt_offset = 0;
34 static uint64_t opt_skip = 0;
35 static int opt_readonly = 0;
36 static int opt_iteration_time = 1000;
37 static int opt_batch_mode = 0;
38 static int opt_version_mode = 0;
39 static int opt_timeout = 0;
40 static int opt_tries = 3;
41 static int opt_align_payload = 0;
42 static int opt_random = 0;
43 static int opt_urandom = 0;
45 static const char **action_argv;
46 static int action_argc;
48 static int action_create(int arg);
49 static int action_remove(int arg);
50 static int action_resize(int arg);
51 static int action_status(int arg);
52 static int action_luksFormat(int arg);
53 static int action_luksOpen(int arg);
54 static int action_luksAddKey(int arg);
55 static int action_luksKillSlot(int arg);
56 static int action_luksRemoveKey(int arg);
57 static int action_isLuks(int arg);
58 static int action_luksUUID(int arg);
59 static int action_luksDump(int arg);
60 static int action_luksSuspend(int arg);
61 static int action_luksResume(int arg);
62 static int action_luksBackup(int arg);
63 static int action_luksRestore(int arg);
65 static struct action_type {
69 int required_action_argc;
74 { "create", action_create, 0, 2, 1, N_("<name> <device>"),N_("create device") },
75 { "remove", action_remove, 0, 1, 1, N_("<name>"), N_("remove device") },
76 { "resize", action_resize, 0, 1, 1, N_("<name>"), N_("resize active device") },
77 { "status", action_status, 0, 1, 0, N_("<name>"), N_("show device status") },
78 { "luksFormat", action_luksFormat, 0, 1, 1, N_("<device> [<new key file>]"), N_("formats a LUKS device") },
79 { "luksOpen", action_luksOpen, 0, 2, 1, N_("<device> <name> "), N_("open LUKS device as mapping <name>") },
80 { "luksAddKey", action_luksAddKey, 0, 1, 1, N_("<device> [<new key file>]"), N_("add key to LUKS device") },
81 { "luksRemoveKey",action_luksRemoveKey, 0, 1, 1, N_("<device> [<key file>]"), N_("removes supplied key or key file from LUKS device") },
82 { "luksKillSlot", action_luksKillSlot, 0, 2, 1, N_("<device> <key slot>"), N_("wipes key with number <key slot> from LUKS device") },
83 { "luksUUID", action_luksUUID, 0, 1, 0, N_("<device>"), N_("print UUID of LUKS device") },
84 { "isLuks", action_isLuks, 0, 1, 0, N_("<device>"), N_("tests <device> for LUKS partition header") },
85 { "luksClose", action_remove, 0, 1, 1, N_("<name>"), N_("remove LUKS mapping") },
86 { "luksDump", action_luksDump, 0, 1, 0, N_("<device>"), N_("dump LUKS partition information") },
87 { "luksSuspend",action_luksSuspend, 0, 1, 1, N_("<device>"), N_("Suspend LUKS device and wipe key (all IOs are frozen).") },
88 { "luksResume", action_luksResume, 0, 1, 1, N_("<device>"), N_("Resume suspended LUKS device.") },
89 { "luksHeaderBackup",action_luksBackup, 0, 1, 1, N_("<device>"), N_("Backup LUKS device header and keyslots") },
90 { "luksHeaderRestore",action_luksRestore,0,1, 1, N_("<device>"), N_("Restore LUKS device header and keyslots") },
91 { NULL, NULL, 0, 0, 0, NULL, NULL }
94 static void clogger(struct crypt_device *cd, int level, const char *file,
95 int line, const char *format, ...)
100 va_start(argp, format);
102 if (vasprintf(&target, format, argp) > 0) {
104 crypt_log(cd, level, target);
106 } else if (opt_debug)
107 printf("# %s:%d %s\n", file ?: "?", line, target);
109 } else if (opt_debug)
110 printf("# %s\n", target);
118 static int _yesDialog(const char *msg, void *usrptr)
124 if(isatty(0) && !opt_batch_mode) {
125 log_std("\nWARNING!\n========\n");
126 log_std("%s\n\nAre you sure? (Type uppercase yes): ", msg);
127 if(getline(&answer, &size, stdin) == -1) {
132 if(strcmp(answer, "YES\n"))
140 static void _log(int level, const char *msg, void *usrptr)
144 case CRYPT_LOG_NORMAL:
147 case CRYPT_LOG_VERBOSE:
151 case CRYPT_LOG_ERROR:
155 fprintf(stderr, "Internal error on logging class for msg: %s", msg);
160 static void show_status(int errcode)
162 char error[256], *error_;
168 log_std(_("Command successful.\n"));
172 crypt_get_error(error, sizeof(error));
175 error_ = strerror_r(-errcode, error, sizeof(error));
176 if (error_ != error) {
177 strncpy(error, error_, sizeof(error));
178 error[sizeof(error) - 1] = '\0';
182 log_err(_("Command failed with code %i"), -errcode);
184 log_err(": %s\n", error);
189 static int action_create(int arg)
191 struct crypt_device *cd = NULL;
192 char cipher[MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
193 struct crypt_params_plain params = {
194 .hash = opt_hash ?: DEFAULT_PLAIN_HASH,
196 .offset = opt_offset,
198 char *password = NULL;
199 unsigned int passwordLen;
202 if (params.hash && !strcmp(params.hash, "plain"))
205 r = crypt_parse_name_and_mode(opt_cipher ?: DEFAULT_CIPHER(PLAIN),
206 cipher, cipher_mode);
208 log_err("No known cipher specification pattern detected.\n");
212 if ((r = crypt_init(&cd, action_argv[1])))
215 crypt_set_timeout(cd, opt_timeout);
216 crypt_set_password_retry(cd, opt_tries);
218 r = crypt_format(cd, CRYPT_PLAIN,
221 (opt_key_size ?: DEFAULT_PLAIN_KEYBITS) / 8,
226 crypt_get_key(_("Enter passphrase: "),
227 &password, &passwordLen,
228 opt_keyfile_size, opt_key_file,
230 opt_batch_mode ? 0 : opt_verify_passphrase,
233 r = crypt_activate_by_passphrase(cd, action_argv[0], CRYPT_ANY_SLOT,
234 password, passwordLen,
235 opt_readonly ? CRYPT_ACTIVATE_READONLY : 0);
238 crypt_safe_free(password);
240 return (r < 0) ? r : 0;
243 static int action_remove(int arg)
245 struct crypt_device *cd = NULL;
248 r = crypt_init_by_name(&cd, action_argv[0]);
250 r = crypt_deactivate(cd, action_argv[0]);
256 static int action_resize(int arg)
258 struct crypt_device *cd = NULL;
261 r = crypt_init_by_name(&cd, action_argv[0]);
263 r = crypt_resize(cd, action_argv[0], opt_size);
269 static int action_status(int arg)
271 crypt_status_info ci;
272 struct crypt_active_device cad;
273 struct crypt_device *cd = NULL;
276 ci = crypt_status(NULL, action_argv[0]);
282 log_std("%s/%s is inactive.\n", crypt_get_dir(), action_argv[0]);
286 log_std("%s/%s is active%s.\n", crypt_get_dir(), action_argv[0],
287 ci == CRYPT_BUSY ? " and is in use" : "");
288 r = crypt_init_by_name(&cd, action_argv[0]);
289 if (r < 0 || !crypt_get_type(cd))
292 log_std(" type: %s\n", crypt_get_type(cd));
294 r = crypt_get_active_device(cd, action_argv[0], &cad);
298 log_std(" cipher: %s-%s\n", crypt_get_cipher(cd), crypt_get_cipher_mode(cd));
299 log_std(" keysize: %d bits\n", crypt_get_volume_key_size(cd) * 8);
300 log_std(" device: %s\n", crypt_get_device_name(cd));
301 log_std(" offset: %" PRIu64 " sectors\n", cad.offset);
302 log_std(" size: %" PRIu64 " sectors\n", cad.size);
304 log_std(" skipped: %" PRIu64 " sectors\n", cad.iv_offset);
305 log_std(" mode: %s\n", cad.flags & CRYPT_ACTIVATE_READONLY ?
306 "readonly" : "read/write");
313 static int _read_mk(const char *file, char **key, int keysize)
317 *key = crypt_safe_alloc(keysize);
321 fd = open(file, O_RDONLY);
323 log_err("Cannot read keyfile %s.\n", file);
326 if ((read(fd, *key, keysize) != keysize)) {
327 log_err("Cannot read %d bytes from keyfile %s.\n", keysize, file);
334 crypt_safe_free(*key);
339 static int action_luksFormat(int arg)
341 int r = -EINVAL, keysize;
342 char *msg = NULL, *key = NULL, cipher [MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
343 char *password = NULL;
344 unsigned int passwordLen;
345 struct crypt_device *cd = NULL;
346 struct crypt_params_luks1 params = {
347 .hash = opt_hash ?: DEFAULT_LUKS1_HASH,
348 .data_alignment = opt_align_payload,
351 if(asprintf(&msg, _("This will overwrite data on %s irrevocably."), action_argv[0]) == -1) {
352 log_err(_("memory allocation error in action_luksFormat"));
356 r = _yesDialog(msg, NULL) ? 0 : -EINVAL;
361 r = crypt_parse_name_and_mode(opt_cipher ?: DEFAULT_CIPHER(LUKS1),
362 cipher, cipher_mode);
364 log_err("No known cipher specification pattern detected.\n");
368 if ((r = crypt_init(&cd, action_argv[0])))
371 keysize = (opt_key_size ?: DEFAULT_LUKS1_KEYBITS) / 8;
373 crypt_set_password_verify(cd, 1);
374 crypt_set_timeout(cd, opt_timeout);
375 if (opt_iteration_time)
376 crypt_set_iterarion_time(cd, opt_iteration_time);
379 crypt_set_rng_type(cd, CRYPT_RNG_RANDOM);
380 else if (opt_urandom)
381 crypt_set_rng_type(cd, CRYPT_RNG_URANDOM);
384 crypt_get_key(_("Enter LUKS passphrase: "),
385 &password, &passwordLen,
386 opt_keyfile_size, opt_key_file,
388 opt_batch_mode ? 0 : 1, /* always verify */
393 if (opt_master_key_file) {
394 r = _read_mk(opt_master_key_file, &key, keysize);
399 r = crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode,
400 opt_uuid, key, keysize, ¶ms);
404 r = crypt_keyslot_add_by_volume_key(cd, opt_key_slot,
406 password, passwordLen);
409 crypt_safe_free(key);
410 crypt_safe_free(password);
412 return (r < 0) ? r : 0;
415 static int action_luksOpen(int arg)
417 struct crypt_device *cd = NULL;
421 if ((r = crypt_init(&cd, action_argv[0])))
424 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
427 crypt_set_timeout(cd, opt_timeout);
428 crypt_set_password_retry(cd, opt_tries);
430 if (opt_iteration_time)
431 crypt_set_iterarion_time(cd, opt_iteration_time);
433 flags |= CRYPT_ACTIVATE_READONLY;
436 crypt_set_password_retry(cd, 1);
437 r = crypt_activate_by_keyfile(cd, action_argv[1],
438 CRYPT_ANY_SLOT, opt_key_file, opt_keyfile_size,
441 r = crypt_activate_by_passphrase(cd, action_argv[1],
442 CRYPT_ANY_SLOT, NULL, 0, flags);
445 return (r < 0) ? r : 0;
448 static int verify_keyslot(struct crypt_device *cd, int key_slot,
449 char *msg_last, char *msg_pass,
450 const char *key_file, int keyfile_size)
452 crypt_keyslot_info ki;
453 char *password = NULL;
454 unsigned int passwordLen, i;
457 ki = crypt_keyslot_status(cd, key_slot);
458 if (ki == CRYPT_SLOT_ACTIVE_LAST && msg_last && !_yesDialog(msg_last, NULL))
461 crypt_get_key(msg_pass, &password, &passwordLen,
462 keyfile_size, key_file,
464 opt_batch_mode ? 0 : opt_verify_passphrase,
469 if (ki == CRYPT_SLOT_ACTIVE_LAST) {
470 /* check the last keyslot */
471 r = crypt_activate_by_passphrase(cd, NULL, key_slot,
472 password, passwordLen, 0);
474 /* try all other keyslots */
475 for (i = 0; i < crypt_keyslot_max(CRYPT_LUKS1); i++) {
478 ki = crypt_keyslot_status(cd, key_slot);
479 if (ki == CRYPT_SLOT_ACTIVE)
480 r = crypt_activate_by_passphrase(cd, NULL, i,
481 password, passwordLen, 0);
488 log_err(_("No key available with this passphrase.\n"));
490 crypt_safe_free(password);
494 static int action_luksKillSlot(int arg)
496 struct crypt_device *cd = NULL;
499 if ((r = crypt_init(&cd, action_argv[0])))
502 crypt_set_confirm_callback(cd, _yesDialog, NULL);
503 crypt_set_timeout(cd, opt_timeout);
505 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
508 switch (crypt_keyslot_status(cd, opt_key_slot)) {
509 case CRYPT_SLOT_ACTIVE_LAST:
510 case CRYPT_SLOT_ACTIVE:
511 log_verbose(_("Key slot %d selected for deletion.\n"), opt_key_slot);
513 case CRYPT_SLOT_INACTIVE:
514 log_err(_("Key %d not active. Can't wipe.\n"), opt_key_slot);
515 case CRYPT_SLOT_INVALID:
519 if (!opt_batch_mode) {
520 r = verify_keyslot(cd, opt_key_slot,
521 _("This is the last keyslot. Device will become unusable after purging this key."),
522 _("Enter any remaining LUKS passphrase: "),
523 opt_key_file, opt_keyfile_size);
528 r = crypt_keyslot_destroy(cd, opt_key_slot);
532 return (r < 0) ? r : 0;
535 static int action_luksRemoveKey(int arg)
537 struct crypt_device *cd = NULL;
538 crypt_keyslot_info ki;
539 char *password = NULL;
540 unsigned int passwordLen;
543 if ((r = crypt_init(&cd, action_argv[0])))
546 crypt_set_confirm_callback(cd, _yesDialog, NULL);
547 crypt_set_timeout(cd, opt_timeout);
549 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
552 crypt_get_key(_("Enter LUKS passphrase to be deleted: "),
553 &password, &passwordLen,
554 opt_keyfile_size, opt_key_file,
556 opt_batch_mode ? 0 : opt_verify_passphrase,
563 r = crypt_activate_by_passphrase(cd, NULL, CRYPT_ANY_SLOT,
564 password, passwordLen, 0);
569 log_verbose(_("Key slot %d selected for deletion.\n"), opt_key_slot);
571 if (crypt_keyslot_status(cd, opt_key_slot) == CRYPT_SLOT_ACTIVE_LAST &&
572 !_yesDialog(_("This is the last keyslot. "
573 "Device will become unusable after purging this key."),
579 r = crypt_keyslot_destroy(cd, opt_key_slot);
581 crypt_safe_free(password);
584 return (r < 0) ? r : 0;
587 static int action_luksAddKey(int arg)
589 int r = -EINVAL, keysize = 0;
591 const char *opt_new_key_file = (action_argc > 1 ? action_argv[1] : NULL);
592 struct crypt_device *cd = NULL;
594 if ((r = crypt_init(&cd, action_argv[0])))
597 crypt_set_confirm_callback(cd, _yesDialog, NULL);
599 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
602 keysize = crypt_get_volume_key_size(cd);
603 crypt_set_password_verify(cd, opt_verify_passphrase ? 1 : 0);
604 crypt_set_timeout(cd, opt_timeout);
605 if (opt_iteration_time)
606 crypt_set_iterarion_time(cd, opt_iteration_time);
608 if (opt_master_key_file) {
609 if (_read_mk(opt_master_key_file, &key, keysize) < 0)
612 r = crypt_keyslot_add_by_volume_key(cd, opt_key_slot,
613 key, keysize, NULL, 0);
614 } else if (opt_key_file || opt_new_key_file) {
615 r = crypt_keyslot_add_by_keyfile(cd, opt_key_slot,
616 opt_key_file, opt_keyfile_size,
617 opt_new_key_file, opt_new_keyfile_size);
619 r = crypt_keyslot_add_by_passphrase(cd, opt_key_slot,
624 crypt_safe_free(key);
626 return (r < 0) ? r : 0;
629 static int action_isLuks(int arg)
631 struct crypt_device *cd = NULL;
634 if ((r = crypt_init(&cd, action_argv[0])))
637 r = crypt_load(cd, CRYPT_LUKS1, NULL);
643 static int action_luksUUID(int arg)
645 struct crypt_device *cd = NULL;
646 const char *existing_uuid = NULL;
649 if ((r = crypt_init(&cd, action_argv[0])))
652 crypt_set_confirm_callback(cd, _yesDialog, NULL);
654 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
658 r = crypt_set_uuid(cd, opt_uuid);
660 existing_uuid = crypt_get_uuid(cd);
661 log_std("%s\n", existing_uuid ?: "");
662 r = existing_uuid ? 0 : 1;
670 static int action_luksDump(int arg)
672 struct crypt_device *cd = NULL;
675 if ((r = crypt_init(&cd, action_argv[0])))
678 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
687 static int action_luksSuspend(int arg)
689 struct crypt_device *cd = NULL;
692 r = crypt_init_by_name(&cd, action_argv[0]);
694 r = crypt_suspend(cd, action_argv[0]);
700 static int action_luksResume(int arg)
702 struct crypt_device *cd = NULL;
705 if ((r = crypt_init_by_name(&cd, action_argv[0])))
708 if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
712 r = crypt_resume_by_keyfile(cd, action_argv[0], CRYPT_ANY_SLOT,
713 opt_key_file, opt_keyfile_size);
715 r = crypt_resume_by_passphrase(cd, action_argv[0], CRYPT_ANY_SLOT,
722 static int action_luksBackup(int arg)
724 struct crypt_device *cd = NULL;
727 if (!opt_header_backup_file) {
728 log_err(_("Option --header-backup-file is required.\n"));
732 if ((r = crypt_init(&cd, action_argv[0])))
735 crypt_set_confirm_callback(cd, _yesDialog, NULL);
737 r = crypt_header_backup(cd, CRYPT_LUKS1, opt_header_backup_file);
743 static int action_luksRestore(int arg)
745 struct crypt_device *cd = NULL;
748 if (!opt_header_backup_file) {
749 log_err(_("Option --header-backup-file is required.\n"));
753 if ((r = crypt_init(&cd, action_argv[0])))
756 crypt_set_confirm_callback(cd, _yesDialog, NULL);
757 r = crypt_header_restore(cd, CRYPT_LUKS1, opt_header_backup_file);
763 static void usage(poptContext popt_context, int exitcode,
764 const char *error, const char *more)
766 poptPrintUsage(popt_context, stderr, 0);
768 log_err("%s: %s\n", more, error);
772 static void help(poptContext popt_context, enum poptCallbackReason reason,
773 struct poptOption *key, const char * arg, void *data)
775 if (key->shortName == '?') {
776 struct action_type *action;
778 log_std("%s\n",PACKAGE_STRING);
780 poptPrintHelp(popt_context, stdout, 0);
783 "<action> is one of:\n"));
785 for(action = action_types; action->type; action++)
786 log_std("\t%s %s - %s\n", action->type, _(action->arg_desc), _(action->desc));
789 "<name> is the device to create under %s\n"
790 "<device> is the encrypted device\n"
791 "<key slot> is the LUKS key slot number to modify\n"
792 "<key file> optional key file for the new key for luksAddKey action\n"),
795 log_std(_("\nDefault compiled-in device cipher parameters:\n"
796 "\tplain: %s, Key: %d bits, Password hashing: %s\n"
797 "\tLUKS1: %s, Key: %d bits, LUKS header hashing: %s, RNG: %s\n"),
798 DEFAULT_CIPHER(PLAIN), DEFAULT_PLAIN_KEYBITS, DEFAULT_PLAIN_HASH,
799 DEFAULT_CIPHER(LUKS1), DEFAULT_LUKS1_KEYBITS, DEFAULT_LUKS1_HASH,
803 usage(popt_context, 0, NULL, NULL);
806 void set_debug_level(int level);
808 static void _dbg_version_and_cmd(int argc, char **argv)
812 log_std("# %s %s processing \"", PACKAGE_NAME, PACKAGE_VERSION);
813 for (i = 0; i < argc; i++) {
821 static int run_action(struct action_type *action)
825 if (action->required_memlock)
826 crypt_memory_lock(NULL, 1);
828 r = action->handler(action->arg);
830 if (action->required_memlock)
831 crypt_memory_lock(NULL, 0);
838 int main(int argc, char **argv)
840 static char *popt_tmp;
841 static struct poptOption popt_help_options[] = {
842 { NULL, '\0', POPT_ARG_CALLBACK, help, 0, NULL, NULL },
843 { "help", '?', POPT_ARG_NONE, NULL, 0, N_("Show this help message"), NULL },
844 { "usage", '\0', POPT_ARG_NONE, NULL, 0, N_("Display brief usage"), NULL },
847 static struct poptOption popt_options[] = {
848 { NULL, '\0', POPT_ARG_INCLUDE_TABLE, popt_help_options, 0, N_("Help options:"), NULL },
849 { "verbose", 'v', POPT_ARG_NONE, &opt_verbose, 0, N_("Shows more detailed error messages"), NULL },
850 { "debug", '\0', POPT_ARG_NONE, &opt_debug, 0, N_("Show debug messages"), NULL },
851 { "cipher", 'c', POPT_ARG_STRING, &opt_cipher, 0, N_("The cipher used to encrypt the disk (see /proc/crypto)"), NULL },
852 { "hash", 'h', POPT_ARG_STRING, &opt_hash, 0, N_("The hash used to create the encryption key from the passphrase"), NULL },
853 { "verify-passphrase", 'y', POPT_ARG_NONE, &opt_verify_passphrase, 0, N_("Verifies the passphrase by asking for it twice"), NULL },
854 { "key-file", 'd', POPT_ARG_STRING, &opt_key_file, 0, N_("Read the key from a file."), NULL },
855 { "master-key-file", '\0', POPT_ARG_STRING, &opt_master_key_file, 0, N_("Read the volume (master) key from file."), NULL },
856 { "key-size", 's', POPT_ARG_INT, &opt_key_size, 0, N_("The size of the encryption key"), N_("BITS") },
857 { "keyfile-size", 'l', POPT_ARG_INT, &opt_keyfile_size, 0, N_("Limits the read from keyfile"), N_("bytes") },
858 { "new-keyfile-size", '\0', POPT_ARG_INT, &opt_new_keyfile_size, 0, N_("Limits the read from newly added keyfile"), N_("bytes") },
859 { "key-slot", 'S', POPT_ARG_INT, &opt_key_slot, 0, N_("Slot number for new key (default is first free)"), NULL },
860 { "size", 'b', POPT_ARG_STRING, &popt_tmp, 1, N_("The size of the device"), N_("SECTORS") },
861 { "offset", 'o', POPT_ARG_STRING, &popt_tmp, 2, N_("The start offset in the backend device"), N_("SECTORS") },
862 { "skip", 'p', POPT_ARG_STRING, &popt_tmp, 3, N_("How many sectors of the encrypted data to skip at the beginning"), N_("SECTORS") },
863 { "readonly", 'r', POPT_ARG_NONE, &opt_readonly, 0, N_("Create a readonly mapping"), NULL },
864 { "iter-time", 'i', POPT_ARG_INT, &opt_iteration_time, 0, N_("PBKDF2 iteration time for LUKS (in ms)"), N_("msecs") },
865 { "batch-mode", 'q', POPT_ARG_NONE, &opt_batch_mode, 0, N_("Do not ask for confirmation"), NULL },
866 { "version", '\0', POPT_ARG_NONE, &opt_version_mode, 0, N_("Print package version"), NULL },
867 { "timeout", 't', POPT_ARG_INT, &opt_timeout, 0, N_("Timeout for interactive passphrase prompt (in seconds)"), N_("secs") },
868 { "tries", 'T', POPT_ARG_INT, &opt_tries, 0, N_("How often the input of the passphrase can be retried"), NULL },
869 { "align-payload", '\0', POPT_ARG_INT, &opt_align_payload, 0, N_("Align payload at <n> sector boundaries - for luksFormat"), N_("SECTORS") },
870 { "header-backup-file",'\0', POPT_ARG_STRING, &opt_header_backup_file, 0, N_("File with LUKS header and keyslots backup."), NULL },
871 { "use-random", '\0', POPT_ARG_NONE, &opt_random, 0, N_("Use /dev/random for generating volume key."), NULL },
872 { "use-urandom", '\0', POPT_ARG_NONE, &opt_urandom, 0, N_("Use /dev/urandom for generating volume key."), NULL },
873 { "uuid", '\0', POPT_ARG_STRING, &opt_uuid, 0, N_("UUID for device to use."), NULL },
876 poptContext popt_context;
877 struct action_type *action;
880 const char *null_action_argv[] = {NULL};
882 crypt_set_log_callback(NULL, _log, NULL);
884 setlocale(LC_ALL, "");
885 bindtextdomain(PACKAGE, LOCALEDIR);
888 popt_context = poptGetContext(PACKAGE, argc, (const char **)argv,
890 poptSetOtherOptionHelp(popt_context,
891 N_("[OPTION...] <action> <action-specific>]"));
893 while((r = poptGetNextOpt(popt_context)) > 0) {
894 unsigned long long ull_value;
897 ull_value = strtoull(popt_tmp, &endp, 0);
898 if (*endp || !*popt_tmp)
899 r = POPT_ERROR_BADNUMBER;
903 opt_size = ull_value;
906 opt_offset = ull_value;
909 opt_skip = ull_value;
918 usage(popt_context, 1, poptStrerror(r),
919 poptBadOption(popt_context, POPT_BADOPTION_NOALIAS));
920 if (opt_version_mode) {
921 log_std("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
925 if (!(aname = (char *)poptGetArg(popt_context)))
926 usage(popt_context, 1, _("Argument <action> missing."),
927 poptGetInvocationName(popt_context));
928 for(action = action_types; action->type; action++)
929 if (strcmp(action->type, aname) == 0)
932 usage(popt_context, 1, _("Unknown action."),
933 poptGetInvocationName(popt_context));
936 action_argv = poptGetArgs(popt_context);
937 /* Make return values of poptGetArgs more consistent in case of remaining argc = 0 */
939 action_argv = null_action_argv;
941 /* Count args, somewhat unnice, change? */
942 while(action_argv[action_argc] != NULL)
945 if(action_argc < action->required_action_argc) {
947 snprintf(buf, 128,_("%s: requires %s as arguments"), action->type, action->arg_desc);
948 usage(popt_context, 1, buf,
949 poptGetInvocationName(popt_context));
952 /* FIXME: rewrite this from scratch */
955 strcmp(aname, "luksFormat") &&
956 strcmp(aname, "create")) {
957 usage(popt_context, 1,
958 _("Option --key-size is allowed only for luksFormat and create.\n"
959 "To limit read from keyfile use --keyfile-size=(bytes)."),
960 poptGetInvocationName(popt_context));
963 if (opt_key_size % 8)
964 usage(popt_context, 1,
965 _("Key size must be a multiple of 8 bits"),
966 poptGetInvocationName(popt_context));
968 if (!strcmp(aname, "luksKillSlot"))
969 opt_key_slot = atoi(action_argv[1]);
970 if (opt_key_slot != CRYPT_ANY_SLOT &&
971 (opt_key_slot < 0 || opt_key_slot > crypt_keyslot_max(CRYPT_LUKS1)))
972 usage(popt_context, 1, _("Key slot is invalid."),
973 poptGetInvocationName(popt_context));
975 if ((!strcmp(aname, "luksRemoveKey") ||
976 !strcmp(aname, "luksFormat")) &&
979 log_err(_("Option --key-file takes precedence over specified key file argument.\n"));
981 opt_key_file = (char*)action_argv[1];
984 if (opt_random && opt_urandom)
985 usage(popt_context, 1, _("Only one of --use-[u]random options is allowed."),
986 poptGetInvocationName(popt_context));
987 if ((opt_random || opt_urandom) && strcmp(aname, "luksFormat"))
988 usage(popt_context, 1, _("Option --use-[u]random is allowed only for luksFormat."),
989 poptGetInvocationName(popt_context));
991 if (opt_uuid && strcmp(aname, "luksFormat") && strcmp(aname, "luksUUID"))
992 usage(popt_context, 1, _("Option --uuid is allowed only for luksFormat and luksUUID."),
993 poptGetInvocationName(popt_context));
995 if ((opt_offset || opt_skip) && strcmp(aname, "create"))
996 usage(popt_context, 1, _("Options --offset and --skip are supported only for create command.\n"),
997 poptGetInvocationName(popt_context));
1001 crypt_set_debug_level(-1);
1002 _dbg_version_and_cmd(argc, argv);
1005 return run_action(action);