#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
+#include <stdarg.h>
#include <inttypes.h>
#include <errno.h>
#include <unistd.h>
+#include <fcntl.h>
#include <assert.h>
#include <libcryptsetup.h>
#include "cryptsetup.h"
-static int opt_verbose = 1;
+static int opt_verbose = 0;
+static int opt_debug = 0;
static char *opt_cipher = NULL;
-static char *opt_hash = DEFAULT_HASH;
+static char *opt_hash = NULL;
static int opt_verify_passphrase = 0;
static char *opt_key_file = NULL;
+static char *opt_master_key_file = NULL;
+static char *opt_header_backup_file = NULL;
+static char *opt_uuid = NULL;
static unsigned int opt_key_size = 0;
-static int opt_key_slot = -1;
+static unsigned int opt_keyfile_size = 0;
+static unsigned int opt_new_keyfile_size = 0;
+static int opt_key_slot = CRYPT_ANY_SLOT;
static uint64_t opt_size = 0;
static uint64_t opt_offset = 0;
static uint64_t opt_skip = 0;
static int opt_tries = 3;
static int opt_align_payload = 0;
static int opt_non_exclusive = 0;
+static int opt_random = 0;
+static int opt_urandom = 0;
static const char **action_argv;
static int action_argc;
static int action_isLuks(int arg);
static int action_luksUUID(int arg);
static int action_luksDump(int arg);
+static int action_luksSuspend(int arg);
+static int action_luksResume(int arg);
+static int action_luksBackup(int arg);
+static int action_luksRestore(int arg);
static struct action_type {
const char *type;
- int (*handler)(int);
+ int (*handler)(int);
int arg;
int required_action_argc;
+ int required_memlock;
const char *arg_desc;
const char *desc;
} action_types[] = {
- { "create", action_create, 0, 2, N_("<name> <device>"), N_("create device") },
- { "remove", action_remove, 0, 1, N_("<name>"), N_("remove device") },
- { "resize", action_resize, 0, 1, N_("<name>"), N_("resize active device") },
- { "status", action_status, 0, 1, N_("<name>"), N_("show device status") },
- { "luksFormat", action_luksFormat, 0, 1, N_("<device> [<new key file>]"), N_("formats a LUKS device") },
- { "luksOpen", action_luksOpen, 0, 2, N_("<device> <name> "), N_("open LUKS device as mapping <name>") },
- { "luksAddKey", action_luksAddKey, 0, 1, N_("<device> [<new key file>]"), N_("add key to LUKS device") },
- { "luksRemoveKey", action_luksRemoveKey, 0, 1, N_("<device> [<key file>]"), N_("removes supplied key or key file from LUKS device") },
- { "luksKillSlot", action_luksKillSlot, 0, 2, N_("<device> <key slot>"), N_("wipes key with number <key slot> from LUKS device") },
- { "luksUUID", action_luksUUID, 0, 1, N_("<device>"), N_("print UUID of LUKS device") },
- { "isLuks", action_isLuks, 0, 1, N_("<device>"), N_("tests <device> for LUKS partition header") },
- { "luksClose", action_remove, 0, 1, N_("<name>"), N_("remove LUKS mapping") },
- { "luksDump", action_luksDump, 0, 1, N_("<device>"), N_("dump LUKS partition information") },
- { "luksDelKey", action_luksDelKey, 0, 2, N_("<device> <key slot>"), N_("identical to luksKillSlot - DEPRECATED - see man page") },
- { "reload", action_create, 1, 2, N_("<name> <device>"), N_("modify active device - DEPRECATED - see man page") },
- { NULL, NULL, 0, 0, NULL }
+ { "create", action_create, 0, 2, 1, N_("<name> <device>"),N_("create device") },
+ { "remove", action_remove, 0, 1, 1, N_("<name>"), N_("remove device") },
+ { "resize", action_resize, 0, 1, 1, N_("<name>"), N_("resize active device") },
+ { "status", action_status, 0, 1, 0, N_("<name>"), N_("show device status") },
+ { "luksFormat", action_luksFormat, 0, 1, 1, N_("<device> [<new key file>]"), N_("formats a LUKS device") },
+ { "luksOpen", action_luksOpen, 0, 2, 1, N_("<device> <name> "), N_("open LUKS device as mapping <name>") },
+ { "luksAddKey", action_luksAddKey, 0, 1, 1, N_("<device> [<new key file>]"), N_("add key to LUKS device") },
+ { "luksRemoveKey",action_luksRemoveKey, 0, 1, 1, N_("<device> [<key file>]"), N_("removes supplied key or key file from LUKS device") },
+ { "luksKillSlot", action_luksKillSlot, 0, 2, 1, N_("<device> <key slot>"), N_("wipes key with number <key slot> from LUKS device") },
+ { "luksUUID", action_luksUUID, 0, 1, 0, N_("<device>"), N_("print UUID of LUKS device") },
+ { "isLuks", action_isLuks, 0, 1, 0, N_("<device>"), N_("tests <device> for LUKS partition header") },
+ { "luksClose", action_remove, 0, 1, 1, N_("<name>"), N_("remove LUKS mapping") },
+ { "luksDump", action_luksDump, 0, 1, 0, N_("<device>"), N_("dump LUKS partition information") },
+ { "luksSuspend",action_luksSuspend, 0, 1, 1, N_("<device>"), N_("Suspend LUKS device and wipe key (all IOs are frozen).") },
+ { "luksResume", action_luksResume, 0, 1, 1, N_("<device>"), N_("Resume suspended LUKS device.") },
+ { "luksHeaderBackup",action_luksBackup, 0, 1, 1, N_("<device>"), N_("Backup LUKS device header and keyslots") },
+ { "luksHeaderRestore",action_luksRestore,0,1, 1, N_("<device>"), N_("Restore LUKS device header and keyslots") },
+ { "luksDelKey", action_luksDelKey, 0, 2, 1, N_("<device> <key slot>"), N_("identical to luksKillSlot - DEPRECATED - see man page") },
+ { "reload", action_create, 1, 2, 1, N_("<name> <device>"), N_("modify active device - DEPRECATED - see man page") },
+ { NULL, NULL, 0, 0, 0, NULL, NULL }
};
+static void clogger(struct crypt_device *cd, int level, const char *file,
+ int line, const char *format, ...)
+{
+ va_list argp;
+ char *target = NULL;
+
+ va_start(argp, format);
+
+ if (vasprintf(&target, format, argp) > 0) {
+ if (level >= 0) {
+ crypt_log(cd, level, target);
+#ifdef CRYPT_DEBUG
+ } else if (opt_debug)
+ printf("# %s:%d %s\n", file ?: "?", line, target);
+#else
+ } else if (opt_debug)
+ printf("# %s\n", target);
+#endif
+ }
+
+ va_end(argp);
+ free(target);
+}
+
/* Interface Callbacks */
static int yesDialog(char *msg)
{
- int r = 0;
+ char *answer = NULL;
+ size_t size = 0;
+ int r = 1;
+
if(isatty(0) && !opt_batch_mode) {
- char *answer=NULL;
- size_t size=0;
- fprintf(stderr,"\nWARNING!\n========\n");
- fprintf(stderr,"%s\n\nAre you sure? (Type uppercase yes): ",msg);
- if(getline(&answer,&size,stdin) == -1)
+ log_std("\nWARNING!\n========\n");
+ log_std("%s\n\nAre you sure? (Type uppercase yes): ", msg);
+ if(getline(&answer, &size, stdin) == -1) {
+ perror("getline");
+ free(answer);
return 0;
- if(strcmp(answer,"YES\n") == 0)
- r = 1;
+ }
+ if(strcmp(answer, "YES\n"))
+ r = 0;
free(answer);
- } else
- r = 1;
+ }
+
return r;
}
-static void cmdLineLog(int class, char *msg) {
- switch(class) {
-
- case CRYPT_LOG_NORMAL:
- fputs(msg, stdout);
- break;
- case CRYPT_LOG_ERROR:
- fputs(msg, stderr);
- break;
- default:
- fprintf(stderr, "Internal error on logging class for msg: %s", msg);
- break;
- }
+static void cmdLineLog(int level, char *msg) {
+ switch(level) {
+
+ case CRYPT_LOG_NORMAL:
+ fputs(msg, stdout);
+ break;
+ case CRYPT_LOG_VERBOSE:
+ if (opt_verbose)
+ fputs(msg, stdout);
+ break;
+ case CRYPT_LOG_ERROR:
+ fputs(msg, stderr);
+ break;
+ default:
+ fprintf(stderr, "Internal error on logging class for msg: %s", msg);
+ break;
+ }
}
static struct interface_callbacks cmd_icb = {
- .yesDialog = yesDialog,
- .log = cmdLineLog,
+ .yesDialog = yesDialog,
+ .log = cmdLineLog,
};
+static void _log(int level, const char *msg, void *usrptr)
+{
+ cmdLineLog(level, (char *)msg);
+}
+
+static int _yesDialog(const char *msg, void *usrptr)
+{
+ return yesDialog((char*)msg);
+}
+
/* End ICBs */
static void show_status(int errcode)
{
- char error[256];
+ char error[256], *error_;
+
+ if(!opt_verbose)
+ return;
if(!errcode) {
- fprintf(stderr, _("Command successful.\n"));
- return;
+ log_std(_("Command successful.\n"));
+ return;
}
crypt_get_error(error, sizeof(error));
- if (!opt_verbose) {
- char *error_ = strerror_r(errcode, error, sizeof(error));
+
+ if (!error[0]) {
+ error_ = strerror_r(-errcode, error, sizeof(error));
if (error_ != error) {
strncpy(error, error_, sizeof(error));
- error[sizeof error - 1] = '\0';
+ error[sizeof(error) - 1] = '\0';
}
}
- fprintf(stderr, _("Command failed"));
+ log_err(_("Command failed with code %i"), -errcode);
if (*error)
- fprintf(stderr, ": %s\n", error);
+ log_err(": %s\n", error);
else
- fputs(".\n", stderr);
- return;
+ log_err(".\n");
}
static int action_create(int reload)
struct crypt_options options = {
.name = action_argv[0],
.device = action_argv[1],
- .cipher = opt_cipher?opt_cipher:DEFAULT_CIPHER,
- .hash = opt_hash,
+ .cipher = opt_cipher ? opt_cipher : DEFAULT_CIPHER(PLAIN),
+ .hash = opt_hash ?: DEFAULT_PLAIN_HASH,
.key_file = opt_key_file,
- .key_size = ((opt_key_size)?opt_key_size:DEFAULT_KEY_SIZE)/8,
+ .key_size = (opt_key_size ?: DEFAULT_PLAIN_KEYBITS) / 8,
.key_slot = opt_key_slot,
- .passphrase_fd = 0, /* stdin */
.flags = 0,
.size = opt_size,
.offset = opt_offset,
int r;
if(reload)
- fprintf(stderr, _("The reload action is deprecated. Please use \"dmsetup reload\" in case you really need this functionality.\nWARNING: do not use reload to touch LUKS devices. If that is the case, hit Ctrl-C now.\n"));
+ log_err(_("The reload action is deprecated. Please use \"dmsetup reload\" in case you really need this functionality.\nWARNING: do not use reload to touch LUKS devices. If that is the case, hit Ctrl-C now.\n"));
if (options.hash && strcmp(options.hash, "plain") == 0)
options.hash = NULL;
r = crypt_update_device(&options);
else
r = crypt_create_device(&options);
- if (r < 0)
- show_status(-r);
+
return r;
}
.name = action_argv[0],
.icb = &cmd_icb,
};
- int r;
- r = crypt_remove_device(&options);
- if (r < 0)
- show_status(-r);
- return r;
+ return crypt_remove_device(&options);
}
static int action_resize(int arg)
.size = opt_size,
.icb = &cmd_icb,
};
- int r;
- r = crypt_resize_device(&options);
- if (r < 0)
- show_status(-r);
- return r;
+ return crypt_resize_device(&options);
}
static int action_status(int arg)
int r;
r = crypt_query_device(&options);
-
- if (r < 0) {
- /* error */
- show_status(-r);
- } else if (r == 0) {
+ if (r < 0)
+ return r;
+
+ if (r == 0) {
/* inactive */
- printf("%s/%s is inactive.\n", crypt_get_dir(), options.name);
+ log_std("%s/%s is inactive.\n", crypt_get_dir(), options.name);
r = 1;
} else {
/* active */
- printf("%s/%s is active:\n", crypt_get_dir(), options.name);
- printf(" cipher: %s\n", options.cipher);
- printf(" keysize: %d bits\n", options.key_size * 8);
- printf(" device: %s\n", options.device);
- printf(" offset: %" PRIu64 " sectors\n", options.offset);
- printf(" size: %" PRIu64 " sectors\n", options.size);
+ log_std("%s/%s is active:\n", crypt_get_dir(), options.name);
+ log_std(" cipher: %s\n", options.cipher);
+ log_std(" keysize: %d bits\n", options.key_size * 8);
+ log_std(" device: %s\n", options.device ?: "");
+ log_std(" offset: %" PRIu64 " sectors\n", options.offset);
+ log_std(" size: %" PRIu64 " sectors\n", options.size);
if (options.skip)
- printf(" skipped: %" PRIu64 " sectors\n", options.skip);
- printf(" mode: %s\n", (options.flags & CRYPT_FLAG_READONLY)
+ log_std(" skipped: %" PRIu64 " sectors\n", options.skip);
+ log_std(" mode: %s\n", (options.flags & CRYPT_FLAG_READONLY)
? "readonly" : "read/write");
crypt_put_options(&options);
r = 0;
return r;
}
+static int _read_mk(const char *file, char **key, int keysize)
+{
+ int fd;
+
+ *key = crypt_safe_alloc(keysize);
+ if (!*key)
+ return -ENOMEM;
+
+ fd = open(file, O_RDONLY);
+ if (fd == -1) {
+ log_err("Cannot read keyfile %s.\n", file);
+ goto fail;
+ }
+ if ((read(fd, *key, keysize) != keysize)) {
+ log_err("Cannot read %d bytes from keyfile %s.\n", keysize, file);
+ close(fd);
+ goto fail;
+ }
+ close(fd);
+ return 0;
+fail:
+ crypt_safe_free(*key);
+ *key = NULL;
+ return -EINVAL;
+}
+
static int action_luksFormat(int arg)
{
- struct crypt_options options = {
- .key_size = (opt_key_size != 0 ? opt_key_size : DEFAULT_LUKS_KEY_SIZE) / 8,
- .key_slot = opt_key_slot,
- .device = action_argv[0],
- .cipher = opt_cipher?opt_cipher:DEFAULT_LUKS_CIPHER,
- .new_key_file = action_argc > 1 ? action_argv[1] : NULL,
- .flags = opt_verify_passphrase ? CRYPT_FLAG_VERIFY : (!opt_batch_mode?CRYPT_FLAG_VERIFY_IF_POSSIBLE : 0),
- .iteration_time = opt_iteration_time,
- .timeout = opt_timeout,
- .align_payload = opt_align_payload,
- .icb = &cmd_icb,
+ int r = -EINVAL, keysize;
+ char *msg = NULL, *key = NULL, cipher [MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
+ const char *key_file = NULL;
+ char *password = NULL;
+ unsigned int passwordLen;
+ struct crypt_device *cd = NULL;
+ struct crypt_params_luks1 params = {
+ .hash = opt_hash ?: DEFAULT_LUKS1_HASH,
+ .data_alignment = opt_align_payload,
};
- int r = 0; char *msg = NULL;
+ if (action_argc > 1) {
+ key_file = action_argv[1];
+ if (opt_key_file)
+ log_err(_("Option --key-file takes precedence over specified key file argument.\n"));
+ } else
+ key_file = opt_key_file;
- if(asprintf(&msg, _("This will overwrite data on %s irrevocably."), options.device) == -1) {
- fputs(_("memory allocation error in action_luksFormat"), stderr);
- } else {
- r = yesDialog(msg) ? crypt_luksFormat(&options) : -EINVAL;
- free(msg);
- show_status(-r);
+ if(asprintf(&msg, _("This will overwrite data on %s irrevocably."), action_argv[0]) == -1) {
+ log_err(_("memory allocation error in action_luksFormat"));
+ r = -ENOMEM;
+ goto out;
}
- return r;
+ r = yesDialog(msg) ? 0 : -EINVAL;
+ free(msg);
+ if (r < 0)
+ goto out;
+
+ r = crypt_parse_name_and_mode(opt_cipher ?: DEFAULT_CIPHER(LUKS1),
+ cipher, cipher_mode);
+ if (r < 0) {
+ log_err("No known cipher specification pattern detected.\n");
+ goto out;
+ }
+
+ if ((r = crypt_init(&cd, action_argv[0])))
+ goto out;
+
+ crypt_set_log_callback(cd, _log, NULL);
+
+ keysize = (opt_key_size ?: DEFAULT_LUKS1_KEYBITS) / 8;
+
+ crypt_set_password_verify(cd, 1);
+ crypt_set_timeout(cd, opt_timeout);
+ if (opt_iteration_time)
+ crypt_set_iterarion_time(cd, opt_iteration_time);
+
+ if (opt_random)
+ crypt_set_rng_type(cd, CRYPT_RNG_RANDOM);
+ else if (opt_urandom)
+ crypt_set_rng_type(cd, CRYPT_RNG_URANDOM);
+
+ r = -EINVAL;
+ crypt_get_key(_("Enter LUKS passphrase: "),
+ &password, &passwordLen,
+ opt_keyfile_size, key_file,
+ opt_timeout,
+ opt_batch_mode ? 0 : 1, /* always verify */
+ cd);
+ if(!password)
+ goto out;
+
+ if (opt_master_key_file) {
+ r = _read_mk(opt_master_key_file, &key, keysize);
+ if (r < 0)
+ goto out;
+ }
+
+ r = crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode,
+ opt_uuid, key, keysize, ¶ms);
+ if (r < 0)
+ goto out;
+
+ r = crypt_keyslot_add_by_volume_key(cd, opt_key_slot,
+ key, keysize,
+ password, passwordLen);
+out:
+ crypt_free(cd);
+ crypt_safe_free(key);
+ crypt_safe_free(password);
+
+ return (r < 0) ? r : 0;
}
static int action_luksOpen(int arg)
{
- struct crypt_options options = {
- .name = action_argv[1],
- .device = action_argv[0],
- .key_file = opt_key_file,
- .timeout = opt_timeout,
- .tries = opt_tries,
- .icb = &cmd_icb,
- };
- int r;
+ struct crypt_device *cd = NULL;
+ uint32_t flags = 0;
+ int r;
- opt_verbose = 1;
- options.flags = 0;
+ if ((r = crypt_init(&cd, action_argv[0])))
+ goto out;
+
+ crypt_set_log_callback(cd, _log, NULL);
+
+ if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
+ goto out;
+
+ crypt_set_timeout(cd, opt_timeout);
+ crypt_set_password_retry(cd, opt_tries);
+
+ if (opt_iteration_time)
+ crypt_set_iterarion_time(cd, opt_iteration_time);
if (opt_readonly)
- options.flags |= CRYPT_FLAG_READONLY;
+ flags |= CRYPT_ACTIVATE_READONLY;
+
if (opt_non_exclusive)
- options.flags |= CRYPT_FLAG_NON_EXCLUSIVE_ACCESS;
- r = crypt_luksOpen(&options);
- show_status(-r);
- return r;
+ log_err(_("Obsolete option --non-exclusive is ignored.\n"));
+
+ if (opt_key_file) {
+ crypt_set_password_retry(cd, 1);
+ r = crypt_activate_by_keyfile(cd, action_argv[1],
+ CRYPT_ANY_SLOT, opt_key_file, opt_keyfile_size,
+ flags);
+ } else
+ r = crypt_activate_by_passphrase(cd, action_argv[1],
+ CRYPT_ANY_SLOT, NULL, 0, flags);
+out:
+ crypt_free(cd);
+ return (r < 0) ? r : 0;
}
+/* FIXME: keyslot operation needs better get_key() implementation. Use old API for now */
static int action_luksDelKey(int arg)
{
- fprintf(stderr,"luksDelKey is a deprecated action name.\nPlease use luksKillSlot.\n");
- return action_luksKillSlot(arg);
+ log_err("luksDelKey is a deprecated action name.\nPlease use luksKillSlot.\n");
+ return action_luksKillSlot(arg);
}
static int action_luksKillSlot(int arg)
.flags = !opt_batch_mode?CRYPT_FLAG_VERIFY_ON_DELKEY : 0,
.icb = &cmd_icb,
};
- int r;
- opt_verbose = 1;
- r = crypt_luksKillSlot(&options);
- show_status(-r);
- return r;
+ return crypt_luksKillSlot(&options);
}
static int action_luksRemoveKey(int arg)
.flags = !opt_batch_mode?CRYPT_FLAG_VERIFY_ON_DELKEY : 0,
.icb = &cmd_icb,
};
- int r;
- opt_verbose = 1;
- r = crypt_luksRemoveKey(&options);
- show_status(-r);
- return r;
+ return crypt_luksRemoveKey(&options);
}
static int action_luksAddKey(int arg)
{
- struct crypt_options options = {
- .device = action_argv[0],
- .new_key_file = action_argc>1?action_argv[1]:NULL,
- .key_file = opt_key_file,
- .key_slot = opt_key_slot,
- .flags = opt_verify_passphrase ? CRYPT_FLAG_VERIFY : (!opt_batch_mode?CRYPT_FLAG_VERIFY_IF_POSSIBLE : 0),
- .iteration_time = opt_iteration_time,
- .timeout = opt_timeout,
- .icb = &cmd_icb,
- };
- int r;
+ int r = -EINVAL, keysize = 0;
+ char *key = NULL;
+ const char *opt_new_key_file = (action_argc > 1 ? action_argv[1] : NULL);
+ struct crypt_device *cd = NULL;
+
+ if ((r = crypt_init(&cd, action_argv[0])))
+ goto out;
+
+ crypt_set_log_callback(cd, _log, NULL);
+ crypt_set_confirm_callback(cd, _yesDialog, NULL);
+
+ if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
+ goto out;
+
+ keysize = crypt_get_volume_key_size(cd);
+ crypt_set_password_verify(cd, opt_verify_passphrase ? 1 : 0);
+ crypt_set_timeout(cd, opt_timeout);
+ if (opt_iteration_time)
+ crypt_set_iterarion_time(cd, opt_iteration_time);
+
+ if (opt_master_key_file) {
+ if (_read_mk(opt_master_key_file, &key, keysize) < 0)
+ goto out;
+
+ r = crypt_keyslot_add_by_volume_key(cd, opt_key_slot,
+ key, keysize, NULL, 0);
+ } else if (opt_key_file || opt_new_key_file) {
+ r = crypt_keyslot_add_by_keyfile(cd, opt_key_slot,
+ opt_key_file, opt_keyfile_size,
+ opt_new_key_file, opt_new_keyfile_size);
+ } else {
+ r = crypt_keyslot_add_by_passphrase(cd, opt_key_slot,
+ NULL, 0, NULL, 0);
+ }
+out:
+ crypt_free(cd);
+ crypt_safe_free(key);
- opt_verbose = 1;
- r = crypt_luksAddKey(&options);
- show_status(-r);
- return r;
+ return (r < 0) ? r : 0;
}
static int action_isLuks(int arg)
.device = action_argv[0],
.icb = &cmd_icb,
};
+
return crypt_isLuks(&options);
}
static int action_luksUUID(int arg)
{
- struct crypt_options options = {
- .device = action_argv[0],
- .icb = &cmd_icb,
- };
+ struct crypt_device *cd = NULL;
+ const char *existing_uuid = NULL;
int r;
- r = crypt_luksUUID(&options);
- if (r < 0)
- show_status(-r);
+ if ((r = crypt_init(&cd, action_argv[0])))
+ goto out;
+
+ crypt_set_log_callback(cd, _log, NULL);
+ crypt_set_confirm_callback(cd, _yesDialog, NULL);
+
+ if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
+ goto out;
+
+ if (opt_uuid)
+ r = crypt_set_uuid(cd, opt_uuid);
+ else {
+ existing_uuid = crypt_get_uuid(cd);
+ log_std("%s\n", existing_uuid ?: "");
+ r = existing_uuid ? 0 : 1;
+ }
+out:
+ crypt_free(cd);
return r;
+
}
static int action_luksDump(int arg)
.device = action_argv[0],
.icb = &cmd_icb,
};
- int r;
- r = crypt_luksDump(&options);
- if (r < 0)
- show_status(-r);
+ return crypt_luksDump(&options);
+}
+
+static int action_luksSuspend(int arg)
+{
+ struct crypt_device *cd = NULL;
+ int r;
+
+ r = crypt_init_by_name(&cd, action_argv[0]);
+ if (!r)
+ r = crypt_suspend(cd, action_argv[0]);
+
+ crypt_free(cd);
+ return r;
+}
+
+static int action_luksResume(int arg)
+{
+ struct crypt_device *cd = NULL;
+ int r;
+
+ if ((r = crypt_init_by_name(&cd, action_argv[0])))
+ goto out;
+
+ if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
+ goto out;
+
+ if (opt_key_file)
+ r = crypt_resume_by_keyfile(cd, action_argv[0], CRYPT_ANY_SLOT,
+ opt_key_file, opt_keyfile_size);
+ else
+ r = crypt_resume_by_passphrase(cd, action_argv[0], CRYPT_ANY_SLOT,
+ NULL, 0);
+out:
+ crypt_free(cd);
+ return r;
+}
+
+static int action_luksBackup(int arg)
+{
+ struct crypt_device *cd = NULL;
+ int r;
+
+ if (!opt_header_backup_file) {
+ log_err(_("Option --header-backup-file is required.\n"));
+ return -EINVAL;
+ }
+
+ if ((r = crypt_init(&cd, action_argv[0])))
+ goto out;
+
+ crypt_set_log_callback(cd, _log, NULL);
+ crypt_set_confirm_callback(cd, _yesDialog, NULL);
+
+ r = crypt_header_backup(cd, CRYPT_LUKS1, opt_header_backup_file);
+out:
+ crypt_free(cd);
+ return r;
+}
+
+static int action_luksRestore(int arg)
+{
+ struct crypt_device *cd = NULL;
+ int r = 0;
+
+ if (!opt_header_backup_file) {
+ log_err(_("Option --header-backup-file is required.\n"));
+ return -EINVAL;
+ }
+
+ if ((r = crypt_init(&cd, action_argv[0])))
+ goto out;
+
+ crypt_set_log_callback(cd, _log, NULL);
+ crypt_set_confirm_callback(cd, _yesDialog, NULL);
+ r = crypt_header_restore(cd, CRYPT_LUKS1, opt_header_backup_file);
+out:
+ crypt_free(cd);
return r;
}
{
poptPrintUsage(popt_context, stderr, 0);
if (error)
- fprintf(stderr, "%s: %s\n", more, error);
+ log_err("%s: %s\n", more, error);
exit(exitcode);
}
if (key->shortName == '?') {
struct action_type *action;
- fprintf(stdout, "%s\n",PACKAGE_STRING);
+ log_std("%s\n",PACKAGE_STRING);
poptPrintHelp(popt_context, stdout, 0);
- printf(_("\n"
+ log_std(_("\n"
"<action> is one of:\n"));
for(action = action_types; action->type; action++)
- printf("\t%s %s - %s\n", action->type, _(action->arg_desc), _(action->desc));
+ log_std("\t%s %s - %s\n", action->type, _(action->arg_desc), _(action->desc));
- printf(_("\n"
+ log_std(_("\n"
"<name> is the device to create under %s\n"
"<device> is the encrypted device\n"
"<key slot> is the LUKS key slot number to modify\n"
"<key file> optional key file for the new key for luksAddKey action\n"),
crypt_get_dir());
+
+ log_std(_("\nDefault compiled-in device cipher parameters:\n"
+ "\tplain: %s, Key: %d bits, Password hashing: %s\n"
+ "\tLUKS1: %s, Key: %d bits, LUKS header hashing: %s, RNG: %s\n"),
+ DEFAULT_CIPHER(PLAIN), DEFAULT_PLAIN_KEYBITS, DEFAULT_PLAIN_HASH,
+ DEFAULT_CIPHER(LUKS1), DEFAULT_LUKS1_KEYBITS, DEFAULT_LUKS1_HASH,
+ DEFAULT_RNG);
exit(0);
} else
usage(popt_context, 0, NULL, NULL);
-}
+}
+
+void set_debug_level(int level);
+
+static void _dbg_version_and_cmd(int argc, char **argv)
+{
+ int i;
+
+ log_std("# %s %s processing \"", PACKAGE_NAME, PACKAGE_VERSION);
+ for (i = 0; i < argc; i++) {
+ if (i)
+ log_std(" ");
+ log_std(argv[i]);
+ }
+ log_std("\"\n");
+}
+
+static int run_action(struct action_type *action)
+{
+ int r;
+
+ if (action->required_memlock)
+ crypt_memory_lock(NULL, 1);
+
+ r = action->handler(action->arg);
+
+ if (action->required_memlock)
+ crypt_memory_lock(NULL, 0);
+
+ show_status(r);
+
+ return r;
+}
int main(int argc, char **argv)
{
POPT_TABLEEND
};
static struct poptOption popt_options[] = {
- { NULL, '\0', POPT_ARG_INCLUDE_TABLE, popt_help_options, 0, N_("Help options:"), NULL },
- { "verbose", 'v', POPT_ARG_NONE, &opt_verbose, 0, N_("Shows more detailed error messages"), NULL },
- { "cipher", 'c', POPT_ARG_STRING | POPT_ARGFLAG_SHOW_DEFAULT, &opt_cipher, 0, N_("The cipher used to encrypt the disk (see /proc/crypto)"), NULL },
- { "hash", 'h', POPT_ARG_STRING | POPT_ARGFLAG_SHOW_DEFAULT, &opt_hash, 0, N_("The hash used to create the encryption key from the passphrase"), NULL },
- { "verify-passphrase", 'y', POPT_ARG_NONE, &opt_verify_passphrase, 0, N_("Verifies the passphrase by asking for it twice"), NULL },
- { "key-file", 'd', POPT_ARG_STRING, &opt_key_file, 0, N_("Read the key from a file (can be /dev/random)"), NULL },
- { "key-size", 's', POPT_ARG_INT | POPT_ARGFLAG_SHOW_DEFAULT, &opt_key_size, 0, N_("The size of the encryption key"), N_("BITS") },
- { "key-slot", 'S', POPT_ARG_INT, &opt_key_slot, 0, N_("Slot number for new key (default is first free)"), NULL },
- { "size", 'b', POPT_ARG_STRING, &popt_tmp, 1, N_("The size of the device"), N_("SECTORS") },
- { "offset", 'o', POPT_ARG_STRING, &popt_tmp, 2, N_("The start offset in the backend device"), N_("SECTORS") },
- { "skip", 'p', POPT_ARG_STRING, &popt_tmp, 3, N_("How many sectors of the encrypted data to skip at the beginning"), N_("SECTORS") },
- { "readonly", 'r', POPT_ARG_NONE, &opt_readonly, 0, N_("Create a readonly mapping"), NULL },
- { "iter-time", 'i', POPT_ARG_INT, &opt_iteration_time, 0, N_("PBKDF2 iteration time for LUKS (in ms)"),
- N_("msecs") },
- { "batch-mode", 'q', POPT_ARG_NONE, &opt_batch_mode, 0, N_("Do not ask for confirmation"), NULL },
- { "version", '\0', POPT_ARG_NONE, &opt_version_mode, 0, N_("Print package version"), NULL },
- { "timeout", 't', POPT_ARG_INT, &opt_timeout, 0, N_("Timeout for interactive passphrase prompt (in seconds)"), N_("secs") },
- { "tries", 'T', POPT_ARG_INT, &opt_tries, 0, N_("How often the input of the passphrase can be retried"), NULL },
- { "align-payload", '\0', POPT_ARG_INT, &opt_align_payload, 0, N_("Align payload at <n> sector boundaries - for luksFormat"), N_("SECTORS") },
- { "non-exclusive", '\0', POPT_ARG_NONE, &opt_non_exclusive, 0, N_("Allows non-exclusive access for luksOpen, WARNING see manpage."), NULL },
+ { NULL, '\0', POPT_ARG_INCLUDE_TABLE, popt_help_options, 0, N_("Help options:"), NULL },
+ { "verbose", 'v', POPT_ARG_NONE, &opt_verbose, 0, N_("Shows more detailed error messages"), NULL },
+ { "debug", '\0', POPT_ARG_NONE, &opt_debug, 0, N_("Show debug messages"), NULL },
+ { "cipher", 'c', POPT_ARG_STRING, &opt_cipher, 0, N_("The cipher used to encrypt the disk (see /proc/crypto)"), NULL },
+ { "hash", 'h', POPT_ARG_STRING, &opt_hash, 0, N_("The hash used to create the encryption key from the passphrase"), NULL },
+ { "verify-passphrase", 'y', POPT_ARG_NONE, &opt_verify_passphrase, 0, N_("Verifies the passphrase by asking for it twice"), NULL },
+ { "key-file", 'd', POPT_ARG_STRING, &opt_key_file, 0, N_("Read the key from a file."), NULL },
+ { "master-key-file", '\0', POPT_ARG_STRING, &opt_master_key_file, 0, N_("Read the volume (master) key from file."), NULL },
+ { "key-size", 's', POPT_ARG_INT, &opt_key_size, 0, N_("The size of the encryption key"), N_("BITS") },
+ { "keyfile-size", 'l', POPT_ARG_INT, &opt_keyfile_size, 0, N_("Limits the read from keyfile"), N_("bytes") },
+ { "new-keyfile-size", '\0', POPT_ARG_INT, &opt_new_keyfile_size, 0, N_("Limits the read from newly added keyfile"), N_("bytes") },
+ { "key-slot", 'S', POPT_ARG_INT, &opt_key_slot, 0, N_("Slot number for new key (default is first free)"), NULL },
+ { "size", 'b', POPT_ARG_STRING, &popt_tmp, 1, N_("The size of the device"), N_("SECTORS") },
+ { "offset", 'o', POPT_ARG_STRING, &popt_tmp, 2, N_("The start offset in the backend device"), N_("SECTORS") },
+ { "skip", 'p', POPT_ARG_STRING, &popt_tmp, 3, N_("How many sectors of the encrypted data to skip at the beginning"), N_("SECTORS") },
+ { "readonly", 'r', POPT_ARG_NONE, &opt_readonly, 0, N_("Create a readonly mapping"), NULL },
+ { "iter-time", 'i', POPT_ARG_INT, &opt_iteration_time, 0, N_("PBKDF2 iteration time for LUKS (in ms)"), N_("msecs") },
+ { "batch-mode", 'q', POPT_ARG_NONE, &opt_batch_mode, 0, N_("Do not ask for confirmation"), NULL },
+ { "version", '\0', POPT_ARG_NONE, &opt_version_mode, 0, N_("Print package version"), NULL },
+ { "timeout", 't', POPT_ARG_INT, &opt_timeout, 0, N_("Timeout for interactive passphrase prompt (in seconds)"), N_("secs") },
+ { "tries", 'T', POPT_ARG_INT, &opt_tries, 0, N_("How often the input of the passphrase can be retried"), NULL },
+ { "align-payload", '\0', POPT_ARG_INT, &opt_align_payload, 0, N_("Align payload at <n> sector boundaries - for luksFormat"), N_("SECTORS") },
+ { "non-exclusive", '\0', POPT_ARG_NONE, &opt_non_exclusive, 0, N_("(Obsoleted, see man page.)"), NULL },
+ { "header-backup-file",'\0', POPT_ARG_STRING, &opt_header_backup_file, 0, N_("File with LUKS header and keyslots backup."), NULL },
+ { "use-random", '\0', POPT_ARG_NONE, &opt_random, 0, N_("Use /dev/random for generating volume key."), NULL },
+ { "use-urandom", '\0', POPT_ARG_NONE, &opt_urandom, 0, N_("Use /dev/urandom for generating volume key."), NULL },
+ { "uuid", '\0', POPT_ARG_STRING, &opt_uuid, 0, N_("UUID for device to use."), NULL },
POPT_TABLEEND
};
poptContext popt_context;
int r;
const char *null_action_argv[] = {NULL};
+ crypt_set_log_callback(NULL, _log, NULL);
+
setlocale(LC_ALL, "");
- bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
- textdomain(GETTEXT_PACKAGE);
+ bindtextdomain(PACKAGE, LOCALEDIR);
+ textdomain(PACKAGE);
popt_context = poptGetContext(PACKAGE, argc, (const char **)argv,
popt_options, 0);
usage(popt_context, 1, poptStrerror(r),
poptBadOption(popt_context, POPT_BADOPTION_NOALIAS));
if (opt_version_mode) {
- printf("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
+ log_std("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
exit(0);
}
-
- if (opt_key_size % 8)
- usage(popt_context, 1,
- _("Key size must be a multiple of 8 bits"),
- poptGetInvocationName(popt_context));
-
+
if (!(aname = (char *)poptGetArg(popt_context)))
usage(popt_context, 1, _("Argument <action> missing."),
poptGetInvocationName(popt_context));
usage(popt_context, 1, _("Unknown action."),
poptGetInvocationName(popt_context));
+ if (opt_key_size &&
+ strcmp(aname, "luksFormat") &&
+ strcmp(aname, "create")) {
+ usage(popt_context, 1,
+ _("Option --key-size is allowed only for luksFormat and create.\n"
+ "To limit read from keyfile use --keyfile-size=(bytes)."),
+ poptGetInvocationName(popt_context));
+ }
+
+ if (opt_key_size % 8)
+ usage(popt_context, 1,
+ _("Key size must be a multiple of 8 bits"),
+ poptGetInvocationName(popt_context));
+
+ /* FIXME: use per format define here */
+ if (opt_key_slot != CRYPT_ANY_SLOT &&
+ (opt_key_slot < 0 || opt_key_slot > 8)) {
+ usage(popt_context, 1, _("Key slot is invalid."),
+ poptGetInvocationName(popt_context));
+ }
+
+ if (opt_random && opt_urandom)
+ usage(popt_context, 1, _("Only one of --use-[u]random options is allowed."),
+ poptGetInvocationName(popt_context));
+ if ((opt_random || opt_urandom) && strcmp(aname, "luksFormat"))
+ usage(popt_context, 1, _("Option --use-[u]random is allowed only for luksFormat."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_uuid && strcmp(aname, "luksFormat") && strcmp(aname, "luksUUID"))
+ usage(popt_context, 1, _("Option --uuid is allowed only for luksFormat and luksUUID."),
+ poptGetInvocationName(popt_context));
+
+ if ((opt_offset || opt_skip) && strcmp(aname, "create"))
+ usage(popt_context, 1, _("Options --offset and --skip are supported only for create command.\n"),
+ poptGetInvocationName(popt_context));
+
action_argc = 0;
action_argv = poptGetArgs(popt_context);
/* Make return values of poptGetArgs more consistent in case of remaining argc = 0 */
if(!action_argv)
action_argv = null_action_argv;
-
+
/* Count args, somewhat unnice, change? */
while(action_argv[action_argc] != NULL)
action_argc++;
snprintf(buf, 128,_("%s: requires %s as arguments"), action->type, action->arg_desc);
usage(popt_context, 1, buf,
poptGetInvocationName(popt_context));
- }
- return action->handler(action->arg);
-}
+ }
-// Local Variables:
-// c-basic-offset: 8
-// indent-tabs-mode: nil
-// End:
+ if (opt_debug) {
+ opt_verbose = 1;
+ crypt_set_debug_level(-1);
+ _dbg_version_and_cmd(argc, argv);
+ }
+
+ return run_action(action);
+}
projects / platform / upstream / cryptsetup.git / blobdiff