/*
* cryptsetup - setup cryptographic volumes for dm-crypt
*
- * Copyright (C) 2004, Christophe Saout <christophe@saout.de>
- * Copyright (C) 2004-2007, Clemens Fruhwirth <clemens@endorphin.org>
- * Copyright (C) 2009-2011, Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2004 Jana Saout <jana@saout.de>
+ * Copyright (C) 2004-2007 Clemens Fruhwirth <clemens@endorphin.org>
+ * Copyright (C) 2009-2020 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2009-2020 Milan Broz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include <string.h>
-#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 <limits.h>
-#include <libcryptsetup.h>
-#include <popt.h>
-
#include "cryptsetup.h"
+#include <uuid/uuid.h>
-static int opt_verbose = 0;
-static int opt_debug = 0;
static const char *opt_cipher = NULL;
+static const char *opt_keyslot_cipher = NULL;
static const char *opt_hash = NULL;
static int opt_verify_passphrase = 0;
+
+static const char *opt_json_file = NULL;
static const char *opt_key_file = NULL;
+static const char *opt_keyfile_stdin = NULL;
+static int opt_keyfiles_count = 0;
+static const char *opt_keyfiles[MAX_KEYFILES];
+
static const char *opt_master_key_file = NULL;
static const char *opt_header_backup_file = NULL;
static const char *opt_uuid = NULL;
static const char *opt_header_device = NULL;
+static const char *opt_type = "luks";
static int opt_key_size = 0;
+static int opt_keyslot_key_size = 0;
static long opt_keyfile_size = 0;
static long opt_new_keyfile_size = 0;
+static uint64_t opt_keyfile_offset = 0;
+static uint64_t opt_new_keyfile_offset = 0;
static int opt_key_slot = CRYPT_ANY_SLOT;
+static int opt_token = CRYPT_ANY_TOKEN;
+static int opt_token_only = 0;
static uint64_t opt_size = 0;
static uint64_t opt_offset = 0;
static uint64_t opt_skip = 0;
static int opt_skip_valid = 0;
static int opt_readonly = 0;
-static int opt_iteration_time = 1000;
-static int opt_batch_mode = 0;
-static int opt_version_mode = 0;
static int opt_timeout = 0;
static int opt_tries = 3;
static int opt_align_payload = 0;
static int opt_dump_master_key = 0;
static int opt_shared = 0;
static int opt_allow_discards = 0;
+static int opt_perf_same_cpu_crypt = 0;
+static int opt_perf_submit_from_crypt_cpus = 0;
+static int opt_test_passphrase = 0;
+static int opt_tcrypt_hidden = 0;
+static int opt_tcrypt_system = 0;
+static int opt_tcrypt_backup = 0;
+static int opt_veracrypt = 0;
+static int opt_veracrypt_pim = -1;
+static int opt_veracrypt_query_pim = 0;
+static int opt_deferred_remove = 0;
+static int opt_serialize_memory_hard_pbkdf = 0;
+//FIXME: check uint32 overflow for long type
+static const char *opt_pbkdf = NULL;
+static long opt_pbkdf_memory = DEFAULT_LUKS2_MEMORY_KB;
+static long opt_pbkdf_parallel = DEFAULT_LUKS2_PARALLEL_THREADS;
+static long opt_pbkdf_iterations = 0;
+static int opt_iteration_time = 0;
+static int opt_disable_locks = 0;
+static int opt_disable_keyring = 0;
+static const char *opt_priority = NULL; /* normal */
+static const char *opt_integrity = NULL; /* none */
+static int opt_integrity_nojournal = 0;
+static int opt_integrity_no_wipe = 0;
+static int opt_integrity_legacy_padding = 0;
+static const char *opt_key_description = NULL;
+static int opt_sector_size = 0;
+static int opt_iv_large_sectors = 0;
+static int opt_persistent = 0;
+static const char *opt_label = NULL;
+static const char *opt_subsystem = NULL;
+static int opt_unbound = 0;
+static int opt_refresh = 0;
+
+/* LUKS2 reencryption parameters */
+static const char *opt_active_name = NULL;
+static const char *opt_resilience_mode = "checksum"; // TODO: default resilience
+static const char *opt_resilience_hash = "sha256"; // TODO: default checksum hash
+static int opt_encrypt = 0;
+static int opt_reencrypt_init_only = 0;
+static int opt_reencrypt_resume_only = 0;
+static int opt_decrypt = 0;
+
+static const char *opt_reduce_size_str = NULL;
+static uint64_t opt_reduce_size = 0;
+
+static const char *opt_hotzone_size_str = NULL;
+static uint64_t opt_hotzone_size = 0;
+
+static const char *opt_device_size_str = NULL;
+static uint64_t opt_device_size = 0;
+
+/* do not set from command line, use helpers above */
+static int64_t opt_data_shift;
+
+static const char *opt_luks2_metadata_size_str = NULL;
+static uint64_t opt_luks2_metadata_size = 0;
+static const char *opt_luks2_keyslots_size_str = NULL;
+static uint64_t opt_luks2_keyslots_size = 0;
static const char **action_argv;
static int action_argc;
+static const char *null_action_argv[] = {NULL, NULL};
-static int action_create(int arg);
-static int action_remove(int arg);
-static int action_resize(int arg);
-static int action_status(int arg);
-static int action_luksFormat(int arg);
-static int action_luksOpen(int arg);
-static int action_luksAddKey(int arg);
-static int action_luksKillSlot(int arg);
-static int action_luksRemoveKey(int arg);
-static int action_luksChangeKey(int arg);
-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 int action_loopaesOpen(int arg);
+static const char *uuid_or_device_header(const char **data_device)
+{
+ if (data_device)
+ *data_device = opt_header_device ? action_argv[0] : NULL;
-static struct action_type {
- const char *type;
- 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, 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") },
- { "luksChangeKey",action_luksChangeKey, 0, 1, 1, N_("<device> [<key file>]"), N_("changes supplied key or key file of 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, 1, 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") },
- { "loopaesOpen",action_loopaesOpen, 0, 2, 1, N_("<device> <name> "), N_("open loop-AES device as mapping <name>") },
- { "loopaesClose",action_remove, 0, 1, 1, N_("<name>"), N_("remove loop-AES mapping") },
- { NULL, NULL, 0, 0, 0, NULL, NULL }
-};
+ return uuid_or_device(opt_header_device ?: action_argv[0]);
+}
-__attribute__((format(printf, 5, 6)))
-static void clogger(struct crypt_device *cd, int level, const char *file,
- int line, const char *format, ...)
+static const char *luksType(const char *type)
{
- va_list argp;
- char *target = NULL;
+ if (type && !strcmp(type, "luks2"))
+ return CRYPT_LUKS2;
- va_start(argp, format);
+ if (type && !strcmp(type, "luks1"))
+ return CRYPT_LUKS1;
- 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
- }
+ if (type && !strcmp(type, "luks"))
+ return CRYPT_LUKS; /* NULL */
+
+ if (type && *type)
+ return type;
- va_end(argp);
- free(target);
+ return CRYPT_LUKS; /* NULL */
}
-static int _yesDialog(const char *msg, void *usrptr __attribute__((unused)))
+static int _verify_passphrase(int def)
{
- char *answer = NULL;
- size_t size = 0;
- int r = 1;
-
- if(isatty(0) && !opt_batch_mode) {
- 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"))
- r = 0;
- free(answer);
+ /* Batch mode switch off verify - if not overridden by -y */
+ if (opt_verify_passphrase)
+ def = 1;
+ else if (opt_batch_mode)
+ def = 0;
+
+ /* Non-tty input doesn't allow verify */
+ if (def && !isatty(STDIN_FILENO)) {
+ if (opt_verify_passphrase)
+ log_err(_("Can't do passphrase verification on non-tty inputs."));
+ def = 0;
}
- return r;
+ return def;
}
-static void _log(int level, const char *msg, void *usrptr __attribute__((unused)))
+static void _set_activation_flags(uint32_t *flags)
{
- switch(level) {
+ if (opt_readonly)
+ *flags |= CRYPT_ACTIVATE_READONLY;
- 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;
- case CRYPT_LOG_DEBUG:
- if (opt_debug)
- printf("# %s\n", msg);
- break;
- default:
- fprintf(stderr, "Internal error on logging class for msg: %s", msg);
- break;
- }
+ if (opt_allow_discards)
+ *flags |= CRYPT_ACTIVATE_ALLOW_DISCARDS;
+
+ if (opt_perf_same_cpu_crypt)
+ *flags |= CRYPT_ACTIVATE_SAME_CPU_CRYPT;
+
+ if (opt_perf_submit_from_crypt_cpus)
+ *flags |= CRYPT_ACTIVATE_SUBMIT_FROM_CRYPT_CPUS;
+
+ if (opt_integrity_nojournal)
+ *flags |= CRYPT_ACTIVATE_NO_JOURNAL;
+
+ /* In persistent mode, we use what is set on command line */
+ if (opt_persistent)
+ *flags |= CRYPT_ACTIVATE_IGNORE_PERSISTENT;
+
+ /* Only for LUKS2 but ignored elsewhere */
+ if (opt_test_passphrase)
+ *flags |= CRYPT_ACTIVATE_ALLOW_UNBOUND_KEY;
+
+ if (opt_serialize_memory_hard_pbkdf)
+ *flags |= CRYPT_ACTIVATE_SERIALIZE_MEMORY_HARD_PBKDF;
+
+ /* Only for plain */
+ if (opt_iv_large_sectors)
+ *flags |= CRYPT_ACTIVATE_IV_LARGE_SECTORS;
}
-static void show_status(int errcode)
+static void _set_reencryption_flags(uint32_t *flags)
{
- char error[256], *error_;
+ if (opt_reencrypt_init_only)
+ *flags |= CRYPT_REENCRYPT_INITIALIZE_ONLY;
- if(!opt_verbose)
- return;
+ if (opt_reencrypt_resume_only)
+ *flags |= CRYPT_REENCRYPT_RESUME_ONLY;
+}
- if(!errcode) {
- log_std(_("Command successful.\n"));
- return;
- }
+static int _set_keyslot_encryption_params(struct crypt_device *cd)
+{
+ const char *type = crypt_get_type(cd);
- crypt_get_error(error, sizeof(error));
+ if (!opt_keyslot_key_size && !opt_keyslot_cipher)
+ return 0;
- if (!error[0]) {
- error_ = strerror_r(-errcode, error, sizeof(error));
- if (error_ != error) {
- strncpy(error, error_, sizeof(error));
- error[sizeof(error) - 1] = '\0';
- }
+ if (!type || strcmp(type, CRYPT_LUKS2)) {
+ log_err(_("Keyslot encryption parameters can be set only for LUKS2 device."));
+ return -EINVAL;
}
- log_err(_("Command failed with code %i"), -errcode);
- if (*error)
- log_err(": %s\n", error);
- else
- log_err(".\n");
+ return crypt_keyslot_set_encryption(cd, opt_keyslot_cipher, opt_keyslot_key_size / 8);
}
-static int action_create(int arg __attribute__((unused)))
+static int action_open_plain(void)
{
- struct crypt_device *cd = NULL;
- char cipher[MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
+ struct crypt_device *cd = NULL, *cd1 = NULL;
+ const char *pcipher, *pmode;
+ char *msg, cipher[MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
+ struct crypt_active_device cad;
struct crypt_params_plain params = {
.hash = opt_hash ?: DEFAULT_PLAIN_HASH,
.skip = opt_skip,
.offset = opt_offset,
.size = opt_size,
+ .sector_size = opt_sector_size ?: SECTOR_SIZE
};
char *password = NULL;
- size_t passwordLen;
- size_t key_size = (opt_key_size ?: DEFAULT_PLAIN_KEYBITS) / 8;
+ const char *activated_name = NULL;
+ size_t passwordLen, key_size_max, signatures = 0,
+ key_size = (opt_key_size ?: DEFAULT_PLAIN_KEYBITS) / 8;
uint32_t activate_flags = 0;
int r;
- if (params.hash && !strcmp(params.hash, "plain"))
- params.hash = NULL;
-
- /* FIXME: temporary hack */
- if (opt_key_file && strcmp(opt_key_file, "-"))
- params.hash = NULL;
-
- if (opt_keyfile_size && opt_key_file)
- log_std(("Ignoring keyfile size option, keyfile read size "
- "is always the same as encryption key size.\n"));
-
r = crypt_parse_name_and_mode(opt_cipher ?: DEFAULT_CIPHER(PLAIN),
cipher, NULL, cipher_mode);
if (r < 0) {
- log_err("No known cipher specification pattern detected.\n");
+ log_err(_("No known cipher specification pattern detected."));
goto out;
}
- if ((r = crypt_init(&cd, action_argv[1])))
- goto out;
+ /* FIXME: temporary hack, no hashing for keyfiles in plain mode */
+ if (opt_key_file && !tools_is_stdin(opt_key_file)) {
+ params.hash = NULL;
+ if (!opt_batch_mode && opt_hash)
+ log_std(_("WARNING: The --hash parameter is being ignored "
+ "in plain mode with keyfile specified.\n"));
+ }
+
+ if (params.hash && !strcmp(params.hash, "plain"))
+ params.hash = NULL;
+
+ if (!opt_batch_mode && !params.hash && opt_key_file && !tools_is_stdin(opt_key_file) && opt_keyfile_size)
+ log_std(_("WARNING: The --keyfile-size option is being ignored, "
+ "the read size is the same as the encryption key size.\n"));
+
+ if (opt_refresh) {
+ activated_name = action_argc > 1 ? action_argv[1] : action_argv[0];
+ r = crypt_init_by_name_and_header(&cd1, activated_name, NULL);
+ if (r)
+ goto out;
+ r = crypt_get_active_device(cd1, activated_name, &cad);
+ if (r)
+ goto out;
+
+ /* copy known parameters from existing device */
+ params.skip = crypt_get_iv_offset(cd1);
+ params.offset = crypt_get_data_offset(cd1);
+ params.size = cad.size;
+ params.sector_size = crypt_get_sector_size(cd1);
+ key_size = crypt_get_volume_key_size(cd1);
- crypt_set_timeout(cd, opt_timeout);
- crypt_set_password_retry(cd, opt_tries);
+ if ((r = crypt_init(&cd, crypt_get_device_name(cd1))))
+ goto out;
+
+ activate_flags |= CRYPT_ACTIVATE_REFRESH;
+
+ pcipher = crypt_get_cipher(cd1);
+ pmode = crypt_get_cipher_mode(cd1);
+ } else {
+ activated_name = action_argv[1];
+ if ((r = crypt_init(&cd, action_argv[0])))
+ goto out;
+
+ /* Skip blkid scan when activating plain device with offset */
+ if (!opt_offset) {
+ /* Print all present signatures in read-only mode */
+ r = tools_detect_signatures(action_argv[0], 0, &signatures);
+ if (r < 0)
+ goto out;
+ }
+
+ if (signatures) {
+ r = asprintf(&msg, _("Detected device signature(s) on %s. Proceeding further may damage existing data."), action_argv[0]);
+ if (r == -1) {
+ r = -ENOMEM;
+ goto out;
+ }
+
+ r = yesDialog(msg, _("Operation aborted.\n")) ? 0 : -EINVAL;
+ free(msg);
+ if (r < 0)
+ goto out;
+ }
+
+ pcipher = cipher;
+ pmode = cipher_mode;
+ }
r = crypt_format(cd, CRYPT_PLAIN,
- cipher, cipher_mode,
+ pcipher, pmode,
NULL, NULL,
key_size,
¶ms);
+ check_signal(&r);
if (r < 0)
goto out;
- if (opt_readonly)
- activate_flags |= CRYPT_ACTIVATE_READONLY;
-
if (opt_shared)
activate_flags |= CRYPT_ACTIVATE_SHARED;
- if (opt_allow_discards)
- activate_flags |= CRYPT_ACTIVATE_ALLOW_DISCARDS;
-
- if (opt_key_file)
- /* With hashing, read the whole keyfile */
- r = crypt_activate_by_keyfile(cd, action_argv[0],
- CRYPT_ANY_SLOT, opt_key_file, params.hash ? 0 : key_size,
- activate_flags);
- else {
- r = crypt_get_key(_("Enter passphrase: "),
- &password, &passwordLen, opt_keyfile_size,
- NULL, opt_timeout,
- opt_batch_mode ? 0 : opt_verify_passphrase,
- cd);
+ _set_activation_flags(&activate_flags);
+
+ if (!tools_is_stdin(opt_key_file)) {
+ /* If no hash, key is read directly, read size is always key_size
+ * (possible opt_keyfile_size is ignored.
+ * If hash is specified, opt_keyfile_size is applied.
+ * The opt_keyfile_offset is applied always.
+ */
+ key_size_max = params.hash ? (size_t)opt_keyfile_size : key_size;
+ r = crypt_activate_by_keyfile_device_offset(cd, action_argv[1],
+ CRYPT_ANY_SLOT, opt_key_file, key_size_max,
+ opt_keyfile_offset, activate_flags);
+ } else {
+ key_size_max = (opt_key_file && !params.hash) ? key_size : (size_t)opt_keyfile_size;
+ r = tools_get_key(NULL, &password, &passwordLen,
+ opt_keyfile_offset, key_size_max,
+ opt_key_file, opt_timeout,
+ _verify_passphrase(0), 0, cd);
if (r < 0)
goto out;
- r = crypt_activate_by_passphrase(cd, action_argv[0],
+ r = crypt_activate_by_passphrase(cd, activated_name,
CRYPT_ANY_SLOT, password, passwordLen, activate_flags);
}
out:
crypt_free(cd);
+ crypt_free(cd1);
crypt_safe_free(password);
return r;
}
-static int action_loopaesOpen(int arg __attribute__((unused)))
+static int action_open_loopaes(void)
{
struct crypt_device *cd = NULL;
struct crypt_params_loopaes params = {
};
unsigned int key_size = (opt_key_size ?: DEFAULT_LOOPAES_KEYBITS) / 8;
uint32_t activate_flags = 0;
+ const char *activated_name = NULL;
int r;
if (!opt_key_file) {
- log_err(_("Option --key-file is required.\n"));
+ log_err(_("Option --key-file is required."));
return -EINVAL;
}
- if (opt_readonly)
- activate_flags |= CRYPT_ACTIVATE_READONLY;
+ if (opt_refresh) {
+ activated_name = action_argc > 1 ? action_argv[1] : action_argv[0];
+ if ((r = crypt_init_by_name(&cd, activated_name)))
+ goto out;
+ activate_flags |= CRYPT_ACTIVATE_REFRESH;
+ } else {
+ activated_name = action_argv[1];
+ if ((r = crypt_init(&cd, action_argv[0])))
+ goto out;
- if (opt_allow_discards)
- activate_flags |= CRYPT_ACTIVATE_ALLOW_DISCARDS;
+ r = crypt_format(cd, CRYPT_LOOPAES, opt_cipher ?: DEFAULT_LOOPAES_CIPHER,
+ NULL, NULL, NULL, key_size, ¶ms);
+ check_signal(&r);
+ if (r < 0)
+ goto out;
+ }
+
+ _set_activation_flags(&activate_flags);
+
+ r = crypt_activate_by_keyfile_device_offset(cd, activated_name, CRYPT_ANY_SLOT,
+ tools_is_stdin(opt_key_file) ? "/dev/stdin" : opt_key_file, opt_keyfile_size,
+ opt_keyfile_offset, activate_flags);
+out:
+ crypt_free(cd);
+
+ return r;
+}
+
+static int tcrypt_load(struct crypt_device *cd, struct crypt_params_tcrypt *params)
+{
+ int r, tries = opt_tries, eperm = 0;
+
+ if (opt_keyfile_stdin)
+ tries = 1;
+
+ do {
+ /* TCRYPT header is encrypted, get passphrase now */
+ r = tools_get_key(NULL, CONST_CAST(char**)¶ms->passphrase,
+ ¶ms->passphrase_size, 0, 0, opt_keyfile_stdin, opt_timeout,
+ _verify_passphrase(0), 0, cd);
+ if (r < 0)
+ continue;
+
+ if (opt_veracrypt_query_pim) {
+ char *tmp_pim_nptr = NULL;
+ char *tmp_pim_end = NULL;
+ size_t tmp_pim_size = 0;
+ unsigned long long tmp_pim_ull = 0;
+
+ r = tools_get_key(_("Enter VeraCrypt PIM: "),
+ CONST_CAST(char**)&tmp_pim_nptr,
+ &tmp_pim_size, 0, 0, opt_keyfile_stdin, opt_timeout,
+ _verify_passphrase(0), 0, cd);
+ if (r < 0)
+ continue;
+
+ tmp_pim_ull = strtoull(tmp_pim_nptr, &tmp_pim_end, 10);
+ if (*tmp_pim_nptr == '\0' || !tmp_pim_end || *tmp_pim_end != '\0') {
+ log_err(_("Invalid PIM value: parse error."));
+ r = -EINVAL;
+ } else if (tmp_pim_ull == 0) {
+ log_err(_("Invalid PIM value: 0."));
+ r = -EINVAL;
+ } else if (tmp_pim_ull > UINT32_MAX) {
+ log_err(_("Invalid PIM value: outside of range."));
+ r = -ERANGE;
+ }
+ crypt_safe_free(CONST_CAST(char*)tmp_pim_nptr);
+ if (r < 0)
+ continue;
+
+ params->veracrypt_pim = (uint32_t)tmp_pim_ull;
+ crypt_safe_memzero(&tmp_pim_ull, sizeof(tmp_pim_ull));
+ }
+
+ if (opt_tcrypt_hidden)
+ params->flags |= CRYPT_TCRYPT_HIDDEN_HEADER;
+
+ if (opt_tcrypt_system)
+ params->flags |= CRYPT_TCRYPT_SYSTEM_HEADER;
+
+ if (opt_tcrypt_backup)
+ params->flags |= CRYPT_TCRYPT_BACKUP_HEADER;
+
+ r = crypt_load(cd, CRYPT_TCRYPT, params);
+
+ if (r == -EPERM) {
+ log_err(_("No device header detected with this passphrase."));
+ eperm = 1;
+ }
+
+ if (r < 0) {
+ crypt_safe_free(CONST_CAST(char*)params->passphrase);
+ params->passphrase = NULL;
+ params->passphrase_size = 0;
+ }
+ check_signal(&r);
+ } while ((r == -EPERM || r == -ERANGE) && (--tries > 0));
+
+ /* Report wrong passphrase if at least one try failed */
+ if (eperm && r == -EPIPE)
+ r = -EPERM;
+
+ return r;
+}
+
+static int action_open_tcrypt(void)
+{
+ struct crypt_device *cd = NULL;
+ struct crypt_params_tcrypt params = {
+ .keyfiles = opt_keyfiles,
+ .keyfiles_count = opt_keyfiles_count,
+ .flags = CRYPT_TCRYPT_LEGACY_MODES |
+ (opt_veracrypt ? CRYPT_TCRYPT_VERA_MODES : 0),
+ .veracrypt_pim = (opt_veracrypt_pim > 0) ? opt_veracrypt_pim : 0,
+ };
+ const char *activated_name;
+ uint32_t activate_flags = 0;
+ int r;
+
+ activated_name = opt_test_passphrase ? NULL : action_argv[1];
+
+ if ((r = crypt_init(&cd, action_argv[0])))
+ goto out;
+
+ r = tcrypt_load(cd, ¶ms);
+ if (r < 0)
+ goto out;
+
+ _set_activation_flags(&activate_flags);
+
+ if (activated_name)
+ r = crypt_activate_by_volume_key(cd, activated_name, NULL, 0, activate_flags);
+out:
+ crypt_free(cd);
+ crypt_safe_free(CONST_CAST(char*)params.passphrase);
+ crypt_safe_memzero(¶ms.veracrypt_pim, sizeof(params.veracrypt_pim));
+ return r;
+}
+
+static int action_open_bitlk(void)
+{
+ struct crypt_device *cd = NULL;
+ const char *activated_name;
+ uint32_t activate_flags = 0;
+ int r, tries;
+ char *password = NULL;
+ size_t passwordLen;
+
+ activated_name = opt_test_passphrase ? NULL : action_argv[1];
+
+ if ((r = crypt_init(&cd, action_argv[0])))
+ goto out;
+
+ r = crypt_load(cd, CRYPT_BITLK, NULL);
+ if (r < 0) {
+ log_err(_("Device %s is not a valid BITLK device."), action_argv[0]);
+ goto out;
+ }
+ _set_activation_flags(&activate_flags);
+
+ tries = (tools_is_stdin(opt_key_file) && isatty(STDIN_FILENO)) ? opt_tries : 1;
+ do {
+ r = tools_get_key(NULL, &password, &passwordLen,
+ opt_keyfile_offset, opt_keyfile_size, opt_key_file,
+ opt_timeout, _verify_passphrase(0), 0, cd);
+ if (r < 0)
+ goto out;
+
+ r = crypt_activate_by_passphrase(cd, activated_name, CRYPT_ANY_SLOT,
+ password, passwordLen, activate_flags);
+ tools_passphrase_msg(r);
+ check_signal(&r);
+ crypt_safe_free(password);
+ password = NULL;
+ } while ((r == -EPERM || r == -ERANGE) && (--tries > 0));
+out:
+ crypt_safe_free(password);
+ crypt_free(cd);
+ return r;
+}
+
+static int tcryptDump_with_volume_key(struct crypt_device *cd)
+{
+ char *vk = NULL;
+ size_t vk_size;
+ unsigned i;
+ int r;
+
+ crypt_set_confirm_callback(cd, yesDialog, NULL);
+ if (!yesDialog(
+ _("Header dump with volume key is sensitive information\n"
+ "which allows access to encrypted partition without passphrase.\n"
+ "This dump should be always stored encrypted on safe place."),
+ NULL))
+ return -EPERM;
+
+ vk_size = crypt_get_volume_key_size(cd);
+ vk = crypt_safe_alloc(vk_size);
+ if (!vk)
+ return -ENOMEM;
+
+ r = crypt_volume_key_get(cd, CRYPT_ANY_SLOT, vk, &vk_size, NULL, 0);
+ if (r < 0)
+ goto out;
+
+ log_std("TCRYPT header information for %s\n", crypt_get_device_name(cd));
+ log_std("Cipher chain: \t%s\n", crypt_get_cipher(cd));
+ log_std("Cipher mode: \t%s\n", crypt_get_cipher_mode(cd));
+ log_std("Payload offset:\t%d\n", (int)crypt_get_data_offset(cd));
+ log_std("MK bits: \t%d\n", (int)vk_size * 8);
+ log_std("MK dump:\t");
+
+ for(i = 0; i < vk_size; i++) {
+ if (i && !(i % 16))
+ log_std("\n\t\t");
+ log_std("%02hhx ", (char)vk[i]);
+ }
+ log_std("\n");
+out:
+ crypt_safe_free(vk);
+ return r;
+}
+
+static int action_tcryptDump(void)
+{
+ struct crypt_device *cd = NULL;
+ struct crypt_params_tcrypt params = {
+ .keyfiles = opt_keyfiles,
+ .keyfiles_count = opt_keyfiles_count,
+ .flags = CRYPT_TCRYPT_LEGACY_MODES |
+ (opt_veracrypt ? CRYPT_TCRYPT_VERA_MODES : 0),
+ .veracrypt_pim = (opt_veracrypt_pim > 0) ? opt_veracrypt_pim : 0,
+ };
+ int r;
if ((r = crypt_init(&cd, action_argv[0])))
goto out;
- r = crypt_format(cd, CRYPT_LOOPAES, opt_cipher ?: DEFAULT_LOOPAES_CIPHER,
- NULL, NULL, NULL, key_size, ¶ms);
+ r = tcrypt_load(cd, ¶ms);
if (r < 0)
goto out;
- r = crypt_activate_by_keyfile(cd, action_argv[1], CRYPT_ANY_SLOT,
- opt_key_file, opt_keyfile_size, activate_flags);
+ if (opt_dump_master_key)
+ r = tcryptDump_with_volume_key(cd);
+ else
+ r = crypt_dump(cd);
out:
crypt_free(cd);
+ crypt_safe_free(CONST_CAST(char*)params.passphrase);
+ return r;
+}
+
+static int action_bitlkDump(void)
+{
+ struct crypt_device *cd = NULL;
+ int r;
+
+ if ((r = crypt_init(&cd, action_argv[0])))
+ goto out;
+ r = crypt_load(cd, CRYPT_BITLK, NULL);
+ if (r < 0)
+ goto out;
+
+ r = crypt_dump(cd);
+out:
+ crypt_free(cd);
return r;
}
-static int action_remove(int arg __attribute__((unused)))
+static int action_close(void)
{
struct crypt_device *cd = NULL;
+ crypt_status_info ci;
+ uint32_t flags = 0;
int r;
+ if (opt_deferred_remove)
+ flags |= CRYPT_DEACTIVATE_DEFERRED;
+
r = crypt_init_by_name(&cd, action_argv[0]);
if (r == 0)
- r = crypt_deactivate(cd, action_argv[0]);
+ r = crypt_deactivate_by_name(cd, action_argv[0], flags);
+
+ if (!r && opt_deferred_remove) {
+ ci = crypt_status(cd, action_argv[0]);
+ if (ci == CRYPT_ACTIVE || ci == CRYPT_BUSY)
+ log_std(_("Device %s is still active and scheduled for deferred removal.\n"),
+ action_argv[0]);
+ }
crypt_free(cd);
return r;
}
-static int action_resize(int arg __attribute__((unused)))
+static int action_resize(void)
{
- struct crypt_device *cd = NULL;
int r;
+ size_t passwordLen;
+ struct crypt_active_device cad;
+ char *password = NULL;
+ struct crypt_device *cd = NULL;
r = crypt_init_by_name_and_header(&cd, action_argv[0], opt_header_device);
- if (r == 0)
- r = crypt_resize(cd, action_argv[0], opt_size);
+ if (r)
+ goto out;
+
+ /* FIXME: LUKS2 may enforce fixed size and it must not be changed */
+ r = crypt_get_active_device(cd, action_argv[0], &cad);
+ if (r)
+ goto out;
+
+ if (cad.flags & CRYPT_ACTIVATE_KEYRING_KEY) {
+ if (opt_disable_keyring) {
+ r = -EINVAL;
+ log_err(_("Resize of active device requires volume key "
+ "in keyring but --disable-keyring option is set."));
+ goto out;
+ }
+
+ /* try load VK in kernel keyring using token */
+ r = crypt_activate_by_token(cd, NULL, opt_token, NULL,
+ CRYPT_ACTIVATE_KEYRING_KEY);
+ tools_keyslot_msg(r, UNLOCKED);
+ if (r < 0 && opt_token_only)
+ goto out;
+
+ r = tools_get_key(NULL, &password, &passwordLen,
+ opt_keyfile_offset, opt_keyfile_size, opt_key_file,
+ opt_timeout, _verify_passphrase(0), 0, cd);
+ if (r < 0)
+ goto out;
+
+ r = crypt_activate_by_passphrase(cd, NULL, opt_key_slot,
+ password, passwordLen,
+ CRYPT_ACTIVATE_KEYRING_KEY);
+ tools_passphrase_msg(r);
+ tools_keyslot_msg(r, UNLOCKED);
+ crypt_safe_free(password);
+ }
+
+ if (opt_device_size)
+ opt_size = opt_device_size / SECTOR_SIZE;
+ if (r >= 0)
+ r = crypt_resize(cd, action_argv[0], opt_size);
+out:
crypt_free(cd);
return r;
}
-static int action_status(int arg __attribute__((unused)))
+static int action_status(void)
{
crypt_status_info ci;
+ crypt_reencrypt_info ri;
struct crypt_active_device cad;
+ struct crypt_params_integrity ip = {};
struct crypt_device *cd = NULL;
char *backing_file;
const char *device;
- int r = 0;
+ int path = 0, r = 0;
+
+ /* perhaps a path, not a dm device name */
+ if (strchr(action_argv[0], '/'))
+ path = 1;
ci = crypt_status(NULL, action_argv[0]);
switch (ci) {
r = -EINVAL;
break;
case CRYPT_INACTIVE:
- log_std("%s/%s is inactive.\n", crypt_get_dir(), action_argv[0]);
+ if (path)
+ log_std("%s is inactive.\n", action_argv[0]);
+ else
+ log_std("%s/%s is inactive.\n", crypt_get_dir(), action_argv[0]);
r = -ENODEV;
break;
case CRYPT_ACTIVE:
case CRYPT_BUSY:
- log_std("%s/%s is active%s.\n", crypt_get_dir(), action_argv[0],
- ci == CRYPT_BUSY ? " and is in use" : "");
- r = crypt_init_by_name(&cd, action_argv[0]);
- if (r < 0 || !crypt_get_type(cd))
+ if (path)
+ log_std("%s is active%s.\n", action_argv[0],
+ ci == CRYPT_BUSY ? " and is in use" : "");
+ else
+ log_std("%s/%s is active%s.\n", crypt_get_dir(), action_argv[0],
+ ci == CRYPT_BUSY ? " and is in use" : "");
+
+ r = crypt_init_by_name_and_header(&cd, action_argv[0], opt_header_device);
+ if (r < 0)
+ goto out;
+
+ log_std(" type: %s\n", crypt_get_type(cd) ?: "n/a");
+
+ /* Print only CRYPT type devices */
+ if (!crypt_get_cipher(cd))
goto out;
- log_std(" type: %s\n", crypt_get_type(cd));
+ ri = crypt_reencrypt_status(cd, NULL);
+ if (ri > CRYPT_REENCRYPT_NONE && ri < CRYPT_REENCRYPT_INVALID)
+ log_std(" reencryption: in-progress\n");
r = crypt_get_active_device(cd, action_argv[0], &cad);
if (r < 0)
goto out;
+ r = crypt_get_integrity_info(cd, &ip);
+ if (r < 0 && r != -ENOTSUP)
+ goto out;
+
log_std(" cipher: %s-%s\n", crypt_get_cipher(cd), crypt_get_cipher_mode(cd));
log_std(" keysize: %d bits\n", crypt_get_volume_key_size(cd) * 8);
+ log_std(" key location: %s\n", (cad.flags & CRYPT_ACTIVATE_KEYRING_KEY) ? "keyring" : "dm-crypt");
+ if (ip.integrity)
+ log_std(" integrity: %s\n", ip.integrity);
+ if (ip.integrity_key_size)
+ log_std(" integrity keysize: %d bits\n", ip.integrity_key_size * 8);
device = crypt_get_device_name(cd);
log_std(" device: %s\n", device);
- if (crypt_loop_device(device)) {
- backing_file = crypt_loop_backing_file(device);
+ if ((backing_file = crypt_loop_backing_file(device))) {
log_std(" loop: %s\n", backing_file);
free(backing_file);
}
+ log_std(" sector size: %d\n", crypt_get_sector_size(cd));
log_std(" offset: %" PRIu64 " sectors\n", cad.offset);
log_std(" size: %" PRIu64 " sectors\n", cad.size);
if (cad.iv_offset)
log_std(" skipped: %" PRIu64 " sectors\n", cad.iv_offset);
- log_std(" mode: %s\n", cad.flags & CRYPT_ACTIVATE_READONLY ?
- "readonly" : "read/write");
- if (cad.flags & CRYPT_ACTIVATE_ALLOW_DISCARDS)
- log_std(" flags: discards\n");
+ log_std(" mode: %s%s\n", cad.flags & CRYPT_ACTIVATE_READONLY ?
+ "readonly" : "read/write",
+ (cad.flags & CRYPT_ACTIVATE_SUSPENDED) ? " (suspended)" : "");
+ if (cad.flags & (CRYPT_ACTIVATE_ALLOW_DISCARDS|
+ CRYPT_ACTIVATE_SAME_CPU_CRYPT|
+ CRYPT_ACTIVATE_SUBMIT_FROM_CRYPT_CPUS))
+ log_std(" flags: %s%s%s\n",
+ (cad.flags & CRYPT_ACTIVATE_ALLOW_DISCARDS) ? "discards " : "",
+ (cad.flags & CRYPT_ACTIVATE_SAME_CPU_CRYPT) ? "same_cpu_crypt " : "",
+ (cad.flags & CRYPT_ACTIVATE_SUBMIT_FROM_CRYPT_CPUS) ? "submit_from_crypt_cpus" : "");
}
out:
crypt_free(cd);
+ if (r == -ENOTSUP)
+ r = 0;
return r;
}
-static int _read_mk(const char *file, char **key, int keysize)
+static int benchmark_callback(uint32_t time_ms, void *usrptr)
{
- int fd;
+ struct crypt_pbkdf_type *pbkdf = usrptr;
+ int r = 0;
- *key = crypt_safe_alloc(keysize);
- if (!*key)
- return -ENOMEM;
+ check_signal(&r);
+ if (r)
+ log_err(_("Benchmark interrupted."));
+ else
+ log_dbg("PBKDF benchmark: memory cost = %u, iterations = %u, "
+ "threads = %u (took %u ms)", pbkdf->max_memory_kb,
+ pbkdf->iterations, pbkdf->parallel_threads, time_ms);
+ return r;
+}
- fd = open(file, O_RDONLY);
- if (fd == -1) {
- log_err("Cannot read keyfile %s.\n", file);
- goto fail;
+static int action_benchmark_kdf(const char *kdf, const char *hash, size_t key_size)
+{
+ int r;
+ if (!strcmp(kdf, CRYPT_KDF_PBKDF2)) {
+ struct crypt_pbkdf_type pbkdf = {
+ .type = CRYPT_KDF_PBKDF2,
+ .hash = hash,
+ .time_ms = 1000,
+ };
+
+ r = crypt_benchmark_pbkdf(NULL, &pbkdf, "foo", 3, "bar", 3, key_size,
+ &benchmark_callback, &pbkdf);
+ if (r < 0)
+ log_std(_("PBKDF2-%-9s N/A\n"), hash);
+ else
+ log_std(_("PBKDF2-%-9s %7u iterations per second for %zu-bit key\n"),
+ hash, pbkdf.iterations, key_size * 8);
+ } else {
+ struct crypt_pbkdf_type pbkdf = {
+ .type = kdf,
+ .time_ms = opt_iteration_time ?: DEFAULT_LUKS2_ITER_TIME,
+ .max_memory_kb = opt_pbkdf_memory,
+ .parallel_threads = opt_pbkdf_parallel,
+ };
+
+ r = crypt_benchmark_pbkdf(NULL, &pbkdf, "foo", 3,
+ "0123456789abcdef0123456789abcdef", 32,
+ key_size, &benchmark_callback, &pbkdf);
+ if (r < 0)
+ log_std(_("%-10s N/A\n"), kdf);
+ else
+ log_std(_("%-10s %4u iterations, %5u memory, "
+ "%1u parallel threads (CPUs) for "
+ "%zu-bit key (requested %u ms time)\n"), kdf,
+ pbkdf.iterations, pbkdf.max_memory_kb, pbkdf.parallel_threads,
+ key_size * 8, pbkdf.time_ms);
}
- if ((read(fd, *key, keysize) != keysize)) {
- log_err("Cannot read %d bytes from keyfile %s.\n", keysize, file);
- close(fd);
- goto fail;
+
+ return r;
+}
+
+static int benchmark_cipher_loop(const char *cipher, const char *cipher_mode,
+ size_t volume_key_size,
+ double *encryption_mbs, double *decryption_mbs)
+{
+ int r, buffer_size = 1024 * 1024;
+
+ do {
+ r = crypt_benchmark(NULL, cipher, cipher_mode,
+ volume_key_size, 0, buffer_size,
+ encryption_mbs, decryption_mbs);
+ if (r == -ERANGE) {
+ if (buffer_size < 1024 * 1024 * 65)
+ buffer_size *= 2;
+ else {
+ log_err(_("Result of benchmark is not reliable."));
+ r = -ENOENT;
+ }
+ }
+ } while (r == -ERANGE);
+
+ return r;
+}
+
+static int action_benchmark(void)
+{
+ static struct {
+ const char *cipher;
+ const char *mode;
+ size_t key_size;
+ } bciphers[] = {
+ { "aes", "cbc", 16 },
+ { "serpent", "cbc", 16 },
+ { "twofish", "cbc", 16 },
+ { "aes", "cbc", 32 },
+ { "serpent", "cbc", 32 },
+ { "twofish", "cbc", 32 },
+ { "aes", "xts", 32 },
+ { "serpent", "xts", 32 },
+ { "twofish", "xts", 32 },
+ { "aes", "xts", 64 },
+ { "serpent", "xts", 64 },
+ { "twofish", "xts", 64 },
+ { NULL, NULL, 0 }
+ };
+ static struct {
+ const char *type;
+ const char *hash;
+ } bkdfs[] = {
+ { CRYPT_KDF_PBKDF2, "sha1" },
+ { CRYPT_KDF_PBKDF2, "sha256" },
+ { CRYPT_KDF_PBKDF2, "sha512" },
+ { CRYPT_KDF_PBKDF2, "ripemd160" },
+ { CRYPT_KDF_PBKDF2, "whirlpool" },
+ { CRYPT_KDF_ARGON2I, NULL },
+ { CRYPT_KDF_ARGON2ID, NULL },
+ { NULL, NULL }
+ };
+ char cipher[MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
+ double enc_mbr = 0, dec_mbr = 0;
+ int key_size = (opt_key_size ?: DEFAULT_PLAIN_KEYBITS) / 8;
+ int skipped = 0, width;
+ char *c;
+ int i, r;
+
+ log_std(_("# Tests are approximate using memory only (no storage IO).\n"));
+ if (opt_pbkdf || opt_hash) {
+ if (!opt_pbkdf && opt_hash)
+ opt_pbkdf = CRYPT_KDF_PBKDF2;
+ r = action_benchmark_kdf(opt_pbkdf, opt_hash, key_size);
+ } else if (opt_cipher) {
+ r = crypt_parse_name_and_mode(opt_cipher, cipher, NULL, cipher_mode);
+ if (r < 0) {
+ log_err(_("No known cipher specification pattern detected."));
+ return r;
+ }
+ if ((c = strchr(cipher_mode, '-')))
+ *c = '\0';
+
+ r = benchmark_cipher_loop(cipher, cipher_mode, key_size, &enc_mbr, &dec_mbr);
+ if (!r) {
+ width = strlen(cipher) + strlen(cipher_mode) + 1;
+ if (width < 11)
+ width = 11;
+ /* TRANSLATORS: The string is header of a table and must be exactly (right side) aligned. */
+ log_std(_("#%*s Algorithm | Key | Encryption | Decryption\n"), width - 11, "");
+ log_std("%*s-%s %9db %10.1f MiB/s %10.1f MiB/s\n", width - (int)strlen(cipher_mode) - 1,
+ cipher, cipher_mode, key_size*8, enc_mbr, dec_mbr);
+ } else if (r < 0)
+ log_err(_("Cipher %s (with %i bits key) is not available."), opt_cipher, key_size * 8);
+ } else {
+ for (i = 0; bkdfs[i].type; i++) {
+ r = action_benchmark_kdf(bkdfs[i].type, bkdfs[i].hash, key_size);
+ check_signal(&r);
+ if (r == -EINTR)
+ break;
+ }
+
+ for (i = 0; bciphers[i].cipher; i++) {
+ r = benchmark_cipher_loop(bciphers[i].cipher, bciphers[i].mode,
+ bciphers[i].key_size, &enc_mbr, &dec_mbr);
+ check_signal(&r);
+ if (r == -ENOTSUP || r == -EINTR)
+ break;
+ if (r == -ENOENT)
+ skipped++;
+ if (i == 0)
+ /* TRANSLATORS: The string is header of a table and must be exactly (right side) aligned. */
+ log_std(_("# Algorithm | Key | Encryption | Decryption\n"));
+
+ snprintf(cipher, MAX_CIPHER_LEN, "%s-%s",
+ bciphers[i].cipher, bciphers[i].mode);
+ if (!r)
+ log_std("%15s %9zub %10.1f MiB/s %10.1f MiB/s\n",
+ cipher, bciphers[i].key_size*8, enc_mbr, dec_mbr);
+ else
+ log_std("%15s %9zub %17s %17s\n", cipher,
+ bciphers[i].key_size*8, _("N/A"), _("N/A"));
+ }
+ if (skipped && skipped == i)
+ r = -ENOTSUP;
}
- close(fd);
- return 0;
-fail:
- crypt_safe_free(*key);
- *key = NULL;
- return -EINVAL;
+
+ if (r == -ENOTSUP) {
+ log_err(_("Required kernel crypto interface not available."));
+#ifdef ENABLE_AF_ALG
+ log_err( _("Ensure you have algif_skcipher kernel module loaded."));
+#endif
+ }
+ return r;
}
-static int action_luksFormat(int arg __attribute__((unused)))
+static int set_pbkdf_params(struct crypt_device *cd, const char *dev_type)
{
- int r = -EINVAL, keysize;
- const char *header_device;
- char *msg = NULL, *key = NULL, cipher [MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
- char *password = NULL;
+ const struct crypt_pbkdf_type *pbkdf_default;
+ struct crypt_pbkdf_type pbkdf = {};
+
+ pbkdf_default = crypt_get_pbkdf_default(dev_type);
+ if (!pbkdf_default)
+ return -EINVAL;
+
+ pbkdf.type = opt_pbkdf ?: pbkdf_default->type;
+ pbkdf.hash = opt_hash ?: pbkdf_default->hash;
+ pbkdf.time_ms = (uint32_t)opt_iteration_time ?: pbkdf_default->time_ms;
+ if (strcmp(pbkdf.type, CRYPT_KDF_PBKDF2)) {
+ pbkdf.max_memory_kb = (uint32_t)opt_pbkdf_memory ?: pbkdf_default->max_memory_kb;
+ pbkdf.parallel_threads = (uint32_t)opt_pbkdf_parallel ?: pbkdf_default->parallel_threads;
+ }
+
+ if (opt_pbkdf_iterations) {
+ pbkdf.iterations = opt_pbkdf_iterations;
+ pbkdf.time_ms = 0;
+ pbkdf.flags |= CRYPT_PBKDF_NO_BENCHMARK;
+ }
+
+ return crypt_set_pbkdf_type(cd, &pbkdf);
+}
+
+static int set_keyslot_params(struct crypt_device *cd, int keyslot)
+{
+ const char *cipher;
+ struct crypt_pbkdf_type pbkdf;
+ size_t key_size;
+
+ cipher = crypt_keyslot_get_encryption(cd, keyslot, &key_size);
+ if (!cipher)
+ return -EINVAL;
+
+ if (crypt_keyslot_set_encryption(cd, cipher, key_size))
+ return -EINVAL;
+
+ /* if requested any of those just reinitialize context pbkdf */
+ if (opt_pbkdf || opt_hash || opt_pbkdf_iterations || opt_iteration_time)
+ return set_pbkdf_params(cd, CRYPT_LUKS2);
+
+ if (crypt_keyslot_get_pbkdf(cd, keyslot, &pbkdf))
+ return -EINVAL;
+
+ pbkdf.flags |= CRYPT_PBKDF_NO_BENCHMARK;
+
+ return crypt_set_pbkdf_type(cd, &pbkdf);
+}
+
+static int _do_luks2_reencrypt_recovery(struct crypt_device *cd)
+{
+ int r;
size_t passwordLen;
+ char *password = NULL;
+ struct crypt_params_reencrypt recovery_params = {
+ .flags = CRYPT_REENCRYPT_RECOVERY
+ };
+
+ crypt_reencrypt_info ri = crypt_reencrypt_status(cd, NULL);
+ switch (ri) {
+ case CRYPT_REENCRYPT_NONE:
+ /* fall through */
+ case CRYPT_REENCRYPT_CLEAN:
+ r = noDialog(_("Seems device does not require reencryption recovery.\n"
+ "Do you want to proceed anyway?"), NULL);
+ if (!r)
+ return 0;
+ break;
+ case CRYPT_REENCRYPT_CRASH:
+ r = yesDialog(_("Really proceed with LUKS2 reencryption recovery?"),
+ _("Operation aborted.\n"));
+ if (!r)
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ r = tools_get_key(_("Enter passphrase for reencryption recovery: "),
+ &password, &passwordLen, opt_keyfile_offset,
+ opt_keyfile_size, opt_key_file, opt_timeout,
+ _verify_passphrase(0), 0, cd);
+ if (r < 0)
+ return r;
+
+ r = crypt_activate_by_passphrase(cd, NULL, opt_key_slot,
+ password, passwordLen, 0);
+ if (r < 0)
+ goto out;
+
+ r = crypt_reencrypt_init_by_passphrase(cd, NULL, password, passwordLen,
+ opt_key_slot, opt_key_slot, NULL, NULL, &recovery_params);
+ if (r > 0)
+ r = 0;
+out:
+ crypt_safe_free(password);
+
+ return r;
+}
+
+static int action_luksRepair(void)
+{
+ struct crypt_device *cd = NULL;
+ int r;
+
+ if ((r = crypt_init_data_device(&cd, opt_header_device ?: action_argv[0],
+ action_argv[0])))
+ goto out;
+
+ crypt_set_log_callback(cd, quiet_log, NULL);
+ r = crypt_load(cd, luksType(opt_type), NULL);
+ crypt_set_log_callback(cd, tool_log, NULL);
+ if (r == 0) {
+ log_verbose(_("No known problems detected for LUKS header."));
+ goto skip_repair;
+ }
+
+ r = tools_detect_signatures(action_argv[0], 1, NULL);
+ if (r < 0)
+ goto out;
+
+ r = yesDialog(_("Really try to repair LUKS device header?"),
+ _("Operation aborted.\n")) ? 0 : -EINVAL;
+ if (r == 0)
+ r = crypt_repair(cd, luksType(opt_type), NULL);
+skip_repair:
+ if (!r && crypt_get_type(cd) && !strcmp(crypt_get_type(cd), CRYPT_LUKS2))
+ r = _do_luks2_reencrypt_recovery(cd);
+out:
+ crypt_free(cd);
+ return r;
+}
+
+static int _wipe_data_device(struct crypt_device *cd)
+{
+ char tmp_name[64], tmp_path[128], tmp_uuid[40];
+ uuid_t tmp_uuid_bin;
+ int r;
+
+ if (!opt_batch_mode)
+ log_std(_("Wiping device to initialize integrity checksum.\n"
+ "You can interrupt this by pressing CTRL+c "
+ "(rest of not wiped device will contain invalid checksum).\n"));
+
+ /* Activate the device a temporary one */
+ uuid_generate(tmp_uuid_bin);
+ uuid_unparse(tmp_uuid_bin, tmp_uuid);
+ if (snprintf(tmp_name, sizeof(tmp_name), "temporary-cryptsetup-%s", tmp_uuid) < 0)
+ return -EINVAL;
+ if (snprintf(tmp_path, sizeof(tmp_path), "%s/%s", crypt_get_dir(), tmp_name) < 0)
+ return -EINVAL;
+
+ r = crypt_activate_by_volume_key(cd, tmp_name, NULL, 0,
+ CRYPT_ACTIVATE_PRIVATE | CRYPT_ACTIVATE_NO_JOURNAL);
+ if (r < 0)
+ return r;
+
+ /* Wipe the device */
+ set_int_handler(0);
+ r = crypt_wipe(cd, tmp_path, CRYPT_WIPE_ZERO, 0, 0, DEFAULT_WIPE_BLOCK,
+ 0, &tools_wipe_progress, NULL);
+ if (crypt_deactivate(cd, tmp_name))
+ log_err(_("Cannot deactivate temporary device %s."), tmp_path);
+ set_int_block(0);
+
+ return r;
+}
+
+static int strcmp_or_null(const char *str, const char *expected)
+{
+ return !str ? 0 : strcmp(str, expected);
+}
+
+static int _luksFormat(struct crypt_device **r_cd, char **r_password, size_t *r_passwordLen)
+{
+ int r = -EINVAL, keysize, integrity_keysize = 0, fd, created = 0;
+ struct stat st;
+ const char *header_device, *type;
+ char *msg = NULL, *key = NULL, *password = NULL;
+ char cipher [MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN], integrity[MAX_CIPHER_LEN];
+ size_t passwordLen, signatures;
struct crypt_device *cd = NULL;
- struct crypt_params_luks1 params = {
+ struct crypt_params_luks1 params1 = {
.hash = opt_hash ?: DEFAULT_LUKS1_HASH,
.data_alignment = opt_align_payload,
.data_device = opt_header_device ? action_argv[0] : NULL,
};
+ struct crypt_params_luks2 params2 = {
+ .data_alignment = params1.data_alignment,
+ .data_device = params1.data_device,
+ .sector_size = opt_sector_size ?: SECTOR_SIZE,
+ .label = opt_label,
+ .subsystem = opt_subsystem
+ };
+ void *params;
- header_device = opt_header_device ?: action_argv[0];
+ type = luksType(opt_type);
+ if (!type)
+ type = crypt_get_default_type();
- if(asprintf(&msg, _("This will overwrite data on %s irrevocably."),
- header_device) == -1) {
- log_err(_("memory allocation error in action_luksFormat"));
- r = -ENOMEM;
- goto out;
+ if (!strcmp(type, CRYPT_LUKS2)) {
+ params = ¶ms2;
+ } else if (!strcmp(type, CRYPT_LUKS1)) {
+ params = ¶ms1;
+
+ if (opt_sector_size > SECTOR_SIZE) {
+ log_err(_("Unsupported encryption sector size."));
+ return -EINVAL;
+ }
+
+ if (opt_integrity) {
+ log_err(_("Integrity option can be used only for LUKS2 format."));
+ return -EINVAL;
+ }
+
+ if (opt_luks2_keyslots_size || opt_luks2_metadata_size) {
+ log_err(_("Unsupported LUKS2 metadata size options."));
+ return -EINVAL;
+ }
+ } else
+ return -EINVAL;
+
+ /* Create header file (must contain at least one sector)? */
+ if (opt_header_device && stat(opt_header_device, &st) < 0 && errno == ENOENT) {
+ if (!opt_batch_mode &&
+ !yesDialog("Header file does not exist, do you want to create it?",
+ _("Operation aborted.\n")))
+ return -EPERM;
+
+ log_dbg("Creating header file.");
+ /* coverity[toctou] */
+ fd = open(opt_header_device, O_CREAT|O_EXCL|O_WRONLY, S_IRUSR|S_IWUSR);
+ if (fd == -1 || posix_fallocate(fd, 0, 4096))
+ log_err(_("Cannot create header file %s."), opt_header_device);
+ else {
+ r = 0;
+ created = 1;
+ }
+ if (fd != -1)
+ close(fd);
+ if (r < 0)
+ return r;
}
- r = _yesDialog(msg, NULL) ? 0 : -EINVAL;
- free(msg);
- if (r < 0)
- goto out;
+
+ header_device = opt_header_device ?: action_argv[0];
r = crypt_parse_name_and_mode(opt_cipher ?: DEFAULT_CIPHER(LUKS1),
cipher, NULL, cipher_mode);
if (r < 0) {
- log_err(_("No known cipher specification pattern detected.\n"));
+ log_err(_("No known cipher specification pattern detected."));
goto out;
}
+ if (opt_integrity) {
+ r = crypt_parse_integrity_mode(opt_integrity, integrity, &integrity_keysize);
+ if (r < 0) {
+ log_err(_("No known integrity specification pattern detected."));
+ goto out;
+ }
+ params2.integrity = integrity;
+ /* FIXME: we use default integrity_params (set to NULL) */
+ }
+
+ /* Never call pwquality if using null cipher */
+ if (tools_is_cipher_null(cipher))
+ opt_force_password = 1;
+
if ((r = crypt_init(&cd, header_device))) {
if (opt_header_device)
- log_err(_("Cannot use %s as on-disk header.\n"), header_device);
- goto out;
+ log_err(_("Cannot use %s as on-disk header."), header_device);
+ return r;
+ }
+
+ if (opt_luks2_keyslots_size || opt_luks2_metadata_size) {
+ r = crypt_set_metadata_size(cd, opt_luks2_metadata_size, opt_luks2_keyslots_size);
+ if (r < 0) {
+ log_err(_("Unsupported LUKS2 metadata size options."));
+ goto out;
+ }
+ }
+
+ if (opt_offset) {
+ r = crypt_set_data_offset(cd, opt_offset);
+ if (r < 0)
+ goto out;
}
- keysize = (opt_key_size ?: DEFAULT_LUKS1_KEYBITS) / 8;
+ /* Print all present signatures in read-only mode */
+ r = tools_detect_signatures(header_device, 0, &signatures);
+ if (r < 0)
+ goto out;
+
+ if (!created) {
+ r = asprintf(&msg, _("This will overwrite data on %s irrevocably."), header_device);
+ if (r == -1) {
+ r = -ENOMEM;
+ goto out;
+ }
+
+ r = yesDialog(msg, _("Operation aborted.\n")) ? 0 : -EINVAL;
+ free(msg);
+ if (r < 0)
+ goto out;
+ }
- crypt_set_password_verify(cd, 1);
- crypt_set_timeout(cd, opt_timeout);
- if (opt_iteration_time)
- crypt_set_iterarion_time(cd, opt_iteration_time);
+#ifdef ENABLE_LUKS_ADJUST_XTS_KEYSIZE
+ if (!opt_key_size && !strncmp(cipher_mode, "xts-", 4)) {
+ if (DEFAULT_LUKS1_KEYBITS == 128)
+ opt_key_size = 256;
+ else if (DEFAULT_LUKS1_KEYBITS == 256)
+ opt_key_size = 512;
+ }
+#endif
+ keysize = (opt_key_size ?: DEFAULT_LUKS1_KEYBITS) / 8 + integrity_keysize;
if (opt_random)
crypt_set_rng_type(cd, CRYPT_RNG_RANDOM);
else if (opt_urandom)
crypt_set_rng_type(cd, CRYPT_RNG_URANDOM);
- r = crypt_get_key(_("Enter LUKS passphrase: "), &password, &passwordLen,
- opt_keyfile_size, opt_key_file, opt_timeout,
- opt_batch_mode ? 0 : 1 /* always verify */, cd);
+ r = tools_get_key(NULL, &password, &passwordLen,
+ opt_keyfile_offset, opt_keyfile_size, opt_key_file,
+ opt_timeout, _verify_passphrase(1), 1, cd);
if (r < 0)
goto out;
if (opt_master_key_file) {
- r = _read_mk(opt_master_key_file, &key, keysize);
+ r = tools_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);
+ r = set_pbkdf_params(cd, type);
+ if (r) {
+ log_err(_("Failed to set pbkdf parameters."));
+ goto out;
+ }
+
+ /* Signature candidates found */
+ if (signatures && ((r = tools_wipe_all_signatures(header_device)) < 0))
+ goto out;
+
+ if (opt_integrity_legacy_padding)
+ crypt_set_compatibility(cd, CRYPT_COMPAT_LEGACY_INTEGRITY_PADDING);
+
+ r = crypt_format(cd, type, cipher, cipher_mode,
+ opt_uuid, key, keysize, params);
+ check_signal(&r);
+ if (r < 0)
+ goto out;
+
+ r = _set_keyslot_encryption_params(cd);
if (r < 0)
goto out;
r = crypt_keyslot_add_by_volume_key(cd, opt_key_slot,
key, keysize,
password, passwordLen);
+ if (r < 0) {
+ (void) tools_wipe_all_signatures(header_device);
+ goto out;
+ }
+ tools_keyslot_msg(r, CREATED);
+
+ if (opt_integrity && !opt_integrity_no_wipe &&
+ strcmp_or_null(params2.integrity, "none"))
+ r = _wipe_data_device(cd);
out:
- crypt_free(cd);
+ if (r >= 0 && r_cd && r_password && r_passwordLen) {
+ *r_cd = cd;
+ *r_password = password;
+ *r_passwordLen = passwordLen;
+ } else {
+ crypt_free(cd);
+ crypt_safe_free(password);
+ }
+
crypt_safe_free(key);
- crypt_safe_free(password);
return r;
}
-static int action_luksOpen(int arg __attribute__((unused)))
+static int action_luksFormat(void)
+{
+ return _luksFormat(NULL, NULL, NULL);
+}
+
+static int action_open_luks(void)
{
+ struct crypt_active_device cad;
struct crypt_device *cd = NULL;
- const char *data_device, *header_device;
- uint32_t flags = 0;
- int r;
+ const char *data_device, *header_device, *activated_name;
+ char *key = NULL;
+ uint32_t activate_flags = 0;
+ int r, keysize, tries;
+ char *password = NULL;
+ size_t passwordLen;
- if (opt_header_device) {
- header_device = opt_header_device;
- data_device = action_argv[0];
+ if (opt_refresh) {
+ activated_name = action_argc > 1 ? action_argv[1] : action_argv[0];
+ r = crypt_init_by_name_and_header(&cd, activated_name, opt_header_device);
+ if (r)
+ goto out;
+ activate_flags |= CRYPT_ACTIVATE_REFRESH;
} else {
- header_device = action_argv[0];
- data_device = NULL;
- }
+ header_device = uuid_or_device_header(&data_device);
- if ((r = crypt_init(&cd, header_device)))
- goto out;
+ activated_name = opt_test_passphrase ? NULL : action_argv[1];
- if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
- goto out;
+ if ((r = crypt_init_data_device(&cd, header_device, data_device)))
+ goto out;
- if (data_device &&
- (r = crypt_set_data_device(cd, data_device)))
- goto out;
+ if ((r = crypt_load(cd, luksType(opt_type), NULL))) {
+ log_err(_("Device %s is not a valid LUKS device."),
+ header_device);
+ goto out;
+ }
- if (!data_device && (crypt_get_data_offset(cd) < 8)) {
- log_err(_("Reduced data offset is allowed only for detached LUKS header.\n"));
- r = -EINVAL;
- goto out;
+ if (!data_device && (crypt_get_data_offset(cd) < 8) && !opt_test_passphrase) {
+ log_err(_("Reduced data offset is allowed only for detached LUKS header."));
+ r = -EINVAL;
+ goto out;
+ }
}
- crypt_set_timeout(cd, opt_timeout);
- crypt_set_password_retry(cd, opt_tries);
+ _set_activation_flags(&activate_flags);
- if (opt_iteration_time)
- crypt_set_iterarion_time(cd, opt_iteration_time);
-
- if (opt_readonly)
- flags |= CRYPT_ACTIVATE_READONLY;
+ if (opt_master_key_file) {
+ keysize = crypt_get_volume_key_size(cd);
+ if (!keysize && !opt_key_size) {
+ log_err(_("Cannot determine volume key size for LUKS without keyslots, please use --key-size option."));
+ r = -EINVAL;
+ goto out;
+ } else if (!keysize)
+ keysize = opt_key_size / 8;
- if (opt_allow_discards)
- flags |= CRYPT_ACTIVATE_ALLOW_DISCARDS;
+ r = tools_read_mk(opt_master_key_file, &key, keysize);
+ if (r < 0)
+ goto out;
+ r = crypt_activate_by_volume_key(cd, activated_name,
+ key, keysize, activate_flags);
+ } else {
+ r = crypt_activate_by_token(cd, activated_name, opt_token, NULL, activate_flags);
+ tools_keyslot_msg(r, UNLOCKED);
+ if (r >= 0 || opt_token_only)
+ goto out;
- if (opt_key_file) {
- crypt_set_password_retry(cd, 1);
- r = crypt_activate_by_keyfile(cd, action_argv[1],
- opt_key_slot, opt_key_file, opt_keyfile_size,
- flags);
- } else
- r = crypt_activate_by_passphrase(cd, action_argv[1],
- opt_key_slot, NULL, 0, flags);
+ tries = (tools_is_stdin(opt_key_file) && isatty(STDIN_FILENO)) ? opt_tries : 1;
+ do {
+ r = tools_get_key(NULL, &password, &passwordLen,
+ opt_keyfile_offset, opt_keyfile_size, opt_key_file,
+ opt_timeout, _verify_passphrase(0), 0, cd);
+ if (r < 0)
+ goto out;
+
+ r = crypt_activate_by_passphrase(cd, activated_name,
+ opt_key_slot, password, passwordLen, activate_flags);
+ tools_keyslot_msg(r, UNLOCKED);
+ tools_passphrase_msg(r);
+ check_signal(&r);
+ crypt_safe_free(password);
+ password = NULL;
+ } while ((r == -EPERM || r == -ERANGE) && (--tries > 0));
+ }
out:
+ if (r >= 0 && opt_persistent &&
+ (crypt_get_active_device(cd, activated_name, &cad) ||
+ crypt_persistent_flags_set(cd, CRYPT_FLAGS_ACTIVATION, cad.flags & activate_flags)))
+ log_err(_("Device activated but cannot make flags persistent."));
+
+ crypt_safe_free(key);
+ crypt_safe_free(password);
crypt_free(cd);
return r;
}
-static int verify_keyslot(struct crypt_device *cd, int key_slot,
- char *msg_last, char *msg_pass,
- const char *key_file, int keyfile_size)
+static int verify_keyslot(struct crypt_device *cd, int key_slot, crypt_keyslot_info ki,
+ char *msg_last, char *msg_pass, char *msg_fail,
+ const char *key_file, uint64_t keyfile_offset,
+ int keyfile_size)
{
- crypt_keyslot_info ki;
char *password = NULL;
size_t passwordLen;
- int i, r;
+ int i, max, r;
- ki = crypt_keyslot_status(cd, key_slot);
- if (ki == CRYPT_SLOT_ACTIVE_LAST && msg_last && !_yesDialog(msg_last, NULL))
+ if (ki == CRYPT_SLOT_ACTIVE_LAST && !opt_batch_mode && !key_file &&
+ msg_last && !yesDialog(msg_last, msg_fail))
return -EPERM;
- r = crypt_get_key(msg_pass, &password, &passwordLen,
- keyfile_size, key_file, opt_timeout,
- opt_batch_mode ? 0 : opt_verify_passphrase, cd);
- if(r < 0)
+ r = tools_get_key(msg_pass, &password, &passwordLen,
+ keyfile_offset, keyfile_size, key_file, opt_timeout,
+ _verify_passphrase(0), 0, cd);
+ if (r < 0)
goto out;
if (ki == CRYPT_SLOT_ACTIVE_LAST) {
password, passwordLen, 0);
} else {
/* try all other keyslots */
- for (i = 0; i < crypt_keyslot_max(CRYPT_LUKS1); i++) {
+ r = crypt_keyslot_max(crypt_get_type(cd));
+ if (r < 0)
+ goto out;
+ max = r;
+
+ for (i = 0; i < max ; i++) {
if (i == key_slot)
continue;
- ki = crypt_keyslot_status(cd, key_slot);
- if (ki == CRYPT_SLOT_ACTIVE)
- r = crypt_activate_by_passphrase(cd, NULL, i,
- password, passwordLen, 0);
+ ki = crypt_keyslot_status(cd, i);
+ if (ki == CRYPT_SLOT_ACTIVE || ki == CRYPT_SLOT_ACTIVE_LAST)
+ r = crypt_activate_by_passphrase(cd, NULL, i,
+ password, passwordLen, 0);
if (r == i)
break;
}
}
- if (r < 0)
- log_err(_("No key available with this passphrase.\n"));
+ /* Handle inactive keyslots the same as bad password here */
+ if (r == -ENOENT)
+ r = -EPERM;
+ tools_passphrase_msg(r);
out:
crypt_safe_free(password);
return r;
}
-static int action_luksKillSlot(int arg __attribute__((unused)))
+static int action_luksKillSlot(void)
{
struct crypt_device *cd = NULL;
+ crypt_keyslot_info ki;
int r;
- if ((r = crypt_init(&cd, action_argv[0])))
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
goto out;
- crypt_set_confirm_callback(cd, _yesDialog, NULL);
- crypt_set_timeout(cd, opt_timeout);
+ crypt_set_confirm_callback(cd, yesDialog, NULL);
- if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
+ if ((r = crypt_load(cd, luksType(opt_type), NULL))) {
+ log_err(_("Device %s is not a valid LUKS device."),
+ uuid_or_device_header(NULL));
goto out;
+ }
- switch (crypt_keyslot_status(cd, opt_key_slot)) {
+ ki = crypt_keyslot_status(cd, opt_key_slot);
+ switch (ki) {
case CRYPT_SLOT_ACTIVE_LAST:
case CRYPT_SLOT_ACTIVE:
- log_verbose(_("Key slot %d selected for deletion.\n"), opt_key_slot);
+ case CRYPT_SLOT_UNBOUND:
+ log_verbose(_("Keyslot %d is selected for deletion."), opt_key_slot);
break;
case CRYPT_SLOT_INACTIVE:
- log_err(_("Key %d not active. Can't wipe.\n"), opt_key_slot);
+ log_err(_("Keyslot %d is not active."), opt_key_slot);
+ /* fall through */
case CRYPT_SLOT_INVALID:
r = -EINVAL;
goto out;
}
- if (!opt_batch_mode) {
- r = verify_keyslot(cd, opt_key_slot,
+ if (!opt_batch_mode || opt_key_file || !isatty(STDIN_FILENO)) {
+ r = verify_keyslot(cd, opt_key_slot, ki,
_("This is the last keyslot. Device will become unusable after purging this key."),
- _("Enter any remaining LUKS passphrase: "),
- opt_key_file, opt_keyfile_size);
+ _("Enter any remaining passphrase: "),
+ _("Operation aborted, the keyslot was NOT wiped.\n"),
+ opt_key_file, opt_keyfile_offset, opt_keyfile_size);
+ tools_keyslot_msg(r, UNLOCKED);
+
+ if (r == -EPIPE && (!opt_key_file || tools_is_stdin(opt_key_file))) {
+ log_dbg("Failed read from input, ignoring passphrase.");
+ r = 0;
+ }
+
if (r < 0)
goto out;
}
r = crypt_keyslot_destroy(cd, opt_key_slot);
+ tools_keyslot_msg(opt_key_slot, REMOVED);
out:
crypt_free(cd);
return r;
}
-static int action_luksRemoveKey(int arg __attribute__((unused)))
+static int action_luksRemoveKey(void)
{
struct crypt_device *cd = NULL;
char *password = NULL;
size_t passwordLen;
int r;
- if ((r = crypt_init(&cd, action_argv[0])))
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
goto out;
- crypt_set_confirm_callback(cd, _yesDialog, NULL);
- crypt_set_timeout(cd, opt_timeout);
+ crypt_set_confirm_callback(cd, yesDialog, NULL);
- if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
+ if ((r = crypt_load(cd, luksType(opt_type), NULL))) {
+ log_err(_("Device %s is not a valid LUKS device."),
+ uuid_or_device_header(NULL));
goto out;
+ }
- r = crypt_get_key(_("Enter LUKS passphrase to be deleted: "),
+ r = tools_get_key(_("Enter passphrase to be deleted: "),
&password, &passwordLen,
- opt_keyfile_size, opt_key_file,
+ opt_keyfile_offset, opt_keyfile_size, opt_key_file,
opt_timeout,
- opt_batch_mode ? 0 : opt_verify_passphrase,
+ _verify_passphrase(0), 0,
cd);
if(r < 0)
goto out;
r = crypt_activate_by_passphrase(cd, NULL, CRYPT_ANY_SLOT,
password, passwordLen, 0);
+ tools_passphrase_msg(r);
+ check_signal(&r);
if (r < 0)
goto out;
+ tools_keyslot_msg(r, UNLOCKED);
opt_key_slot = r;
- log_verbose(_("Key slot %d selected for deletion.\n"), opt_key_slot);
+ log_verbose(_("Keyslot %d is selected for deletion."), opt_key_slot);
if (crypt_keyslot_status(cd, opt_key_slot) == CRYPT_SLOT_ACTIVE_LAST &&
- !_yesDialog(_("This is the last keyslot. "
+ !yesDialog(_("This is the last keyslot. "
"Device will become unusable after purging this key."),
- NULL)) {
+ _("Operation aborted, the keyslot was NOT wiped.\n"))) {
r = -EPERM;
goto out;
}
r = crypt_keyslot_destroy(cd, opt_key_slot);
+ tools_keyslot_msg(opt_key_slot, REMOVED);
out:
crypt_safe_free(password);
crypt_free(cd);
return r;
}
-static int action_luksAddKey(int arg __attribute__((unused)))
+static int luksAddUnboundKey(void)
{
int r = -EINVAL, keysize = 0;
char *key = NULL;
const char *opt_new_key_file = (action_argc > 1 ? action_argv[1] : NULL);
+ char *password_new = NULL;
+ size_t password_new_size = 0;
struct crypt_device *cd = NULL;
- if ((r = crypt_init(&cd, action_argv[0])))
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
goto out;
- crypt_set_confirm_callback(cd, _yesDialog, NULL);
+ crypt_set_confirm_callback(cd, yesDialog, NULL);
- if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
+ if ((r = crypt_load(cd, CRYPT_LUKS2, NULL))) {
+ log_err(_("Device %s is not a valid LUKS device."),
+ uuid_or_device_header(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);
+ r = _set_keyslot_encryption_params(cd);
+ if (r < 0)
+ goto out;
+
+ /* Never call pwquality if using null cipher */
+ if (tools_is_cipher_null(crypt_get_cipher(cd)))
+ opt_force_password = 1;
+
+ keysize = opt_key_size / 8;
+ r = set_pbkdf_params(cd, crypt_get_type(cd));
+ if (r) {
+ log_err(_("Failed to set pbkdf parameters."));
+ goto out;
+ }
if (opt_master_key_file) {
- r = _read_mk(opt_master_key_file, &key, keysize);
+ r = tools_read_mk(opt_master_key_file, &key, keysize);
+ if (r < 0)
+ goto out;
+
+ check_signal(&r);
if (r < 0)
goto out;
- //FIXME: process keyfile arg
- 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);
}
+
+ r = tools_get_key(_("Enter new passphrase for key slot: "),
+ &password_new, &password_new_size,
+ opt_new_keyfile_offset, opt_new_keyfile_size,
+ opt_new_key_file, opt_timeout,
+ _verify_passphrase(1), 1, cd);
+ if (r < 0)
+ goto out;
+
+ r = crypt_keyslot_add_by_key(cd, opt_key_slot, key, keysize,
+ password_new, password_new_size, CRYPT_VOLUME_KEY_NO_SEGMENT);
+ tools_keyslot_msg(r, CREATED);
out:
- crypt_free(cd);
+ crypt_safe_free(password_new);
crypt_safe_free(key);
+ crypt_free(cd);
return r;
}
-static int _slots_full(struct crypt_device *cd)
+static int action_luksAddKey(void)
{
- int i;
+ int r = -EINVAL, keysize = 0;
+ char *key = NULL;
+ const char *opt_new_key_file = (action_argc > 1 ? action_argv[1] : NULL);
+ char *password = NULL, *password_new = NULL;
+ size_t password_size = 0, password_new_size = 0;
+ struct crypt_device *cd = NULL;
- for (i = 0; i < crypt_keyslot_max(crypt_get_type(cd)); i++)
- if (crypt_keyslot_status(cd, i) == CRYPT_SLOT_INACTIVE)
- return 0;
- return 1;
+ /* Unbound keyslot (no assigned data segment) is special case */
+ if (opt_unbound)
+ return luksAddUnboundKey();
+
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
+ goto out;
+
+ crypt_set_confirm_callback(cd, yesDialog, NULL);
+
+ if ((r = crypt_load(cd, luksType(opt_type), NULL))) {
+ log_err(_("Device %s is not a valid LUKS device."),
+ uuid_or_device_header(NULL));
+ goto out;
+ }
+
+ r = _set_keyslot_encryption_params(cd);
+ if (r < 0)
+ goto out;
+
+ /* Never call pwquality if using null cipher */
+ if (tools_is_cipher_null(crypt_get_cipher(cd)))
+ opt_force_password = 1;
+
+ keysize = crypt_get_volume_key_size(cd);
+ r = set_pbkdf_params(cd, crypt_get_type(cd));
+ if (r) {
+ log_err(_("Failed to set pbkdf parameters."));
+ goto out;
+ }
+
+ if (opt_master_key_file) {
+ if (!keysize && !opt_key_size) {
+ log_err(_("Cannot determine volume key size for LUKS without keyslots, please use --key-size option."));
+ r = -EINVAL;
+ goto out;
+ } else if (!keysize)
+ keysize = opt_key_size / 8;
+
+ r = tools_read_mk(opt_master_key_file, &key, keysize);
+ if (r < 0)
+ goto out;
+
+ r = crypt_volume_key_verify(cd, key, keysize);
+ check_signal(&r);
+ if (r < 0)
+ goto out;
+
+ r = tools_get_key(_("Enter new passphrase for key slot: "),
+ &password_new, &password_new_size,
+ opt_new_keyfile_offset, opt_new_keyfile_size,
+ opt_new_key_file, opt_timeout,
+ _verify_passphrase(1), 1, cd);
+ if (r < 0)
+ goto out;
+
+ r = crypt_keyslot_add_by_volume_key(cd, opt_key_slot, key, keysize,
+ password_new, password_new_size);
+ } else if (opt_key_file && !tools_is_stdin(opt_key_file) &&
+ opt_new_key_file && !tools_is_stdin(opt_new_key_file)) {
+ r = crypt_keyslot_add_by_keyfile_device_offset(cd, opt_key_slot,
+ opt_key_file, opt_keyfile_size, opt_keyfile_offset,
+ opt_new_key_file, opt_new_keyfile_size, opt_new_keyfile_offset);
+ tools_passphrase_msg(r);
+ } else {
+ r = tools_get_key(_("Enter any existing passphrase: "),
+ &password, &password_size,
+ opt_keyfile_offset, opt_keyfile_size, opt_key_file,
+ opt_timeout, _verify_passphrase(0), 0, cd);
+
+ if (r < 0)
+ goto out;
+
+ /* Check password before asking for new one */
+ r = crypt_activate_by_passphrase(cd, NULL, CRYPT_ANY_SLOT,
+ password, password_size, 0);
+ check_signal(&r);
+ tools_passphrase_msg(r);
+ if (r < 0)
+ goto out;
+ tools_keyslot_msg(r, UNLOCKED);
+
+ r = tools_get_key(_("Enter new passphrase for key slot: "),
+ &password_new, &password_new_size,
+ opt_new_keyfile_offset, opt_new_keyfile_size, opt_new_key_file,
+ opt_timeout, _verify_passphrase(1), 1, cd);
+ if (r < 0)
+ goto out;
+
+ r = crypt_keyslot_add_by_passphrase(cd, opt_key_slot,
+ password, password_size,
+ password_new, password_new_size);
+ }
+out:
+ tools_keyslot_msg(r, CREATED);
+ crypt_safe_free(password);
+ crypt_safe_free(password_new);
+ crypt_safe_free(key);
+ crypt_free(cd);
+ return r;
}
-static int action_luksChangeKey(int arg __attribute__((unused)))
+static int action_luksChangeKey(void)
{
const char *opt_new_key_file = (action_argc > 1 ? action_argv[1] : NULL);
struct crypt_device *cd = NULL;
- char *vk = NULL, *password = NULL;
- size_t passwordLen = 0;
- size_t vk_size;
- int new_key_slot, old_key_slot, r;
+ char *password = NULL, *password_new = NULL;
+ size_t password_size = 0, password_new_size = 0;
+ int r;
- if ((r = crypt_init(&cd, action_argv[0])))
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
goto out;
- if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
+ if ((r = crypt_load(cd, luksType(opt_type), NULL))) {
+ log_err(_("Device %s is not a valid LUKS device."),
+ uuid_or_device_header(NULL));
goto out;
+ }
- if (opt_iteration_time)
- crypt_set_iterarion_time(cd, opt_iteration_time);
-
- r = crypt_get_key(_("Enter LUKS passphrase to be changed: "),
- &password, &passwordLen,
- opt_keyfile_size, opt_key_file, opt_timeout,
- opt_batch_mode ? 0 : opt_verify_passphrase, cd);
+ r = _set_keyslot_encryption_params(cd);
if (r < 0)
goto out;
- vk_size = crypt_get_volume_key_size(cd);
- vk = crypt_safe_alloc(vk_size);
- if (!vk) {
- r = -ENOMEM;
+ /* Never call pwquality if using null cipher */
+ if (tools_is_cipher_null(crypt_get_cipher(cd)))
+ opt_force_password = 1;
+
+ r = set_pbkdf_params(cd, crypt_get_type(cd));
+ if (r) {
+ log_err(_("Failed to set pbkdf parameters."));
goto out;
}
- r = crypt_volume_key_get(cd, opt_key_slot, vk, &vk_size,
- password, passwordLen);
- if (r < 0) {
- if (opt_key_slot != CRYPT_ANY_SLOT)
- log_err(_("No key available with this passphrase.\n"));
+ r = tools_get_key(_("Enter passphrase to be changed: "),
+ &password, &password_size,
+ opt_keyfile_offset, opt_keyfile_size, opt_key_file,
+ opt_timeout, _verify_passphrase(0), 0, cd);
+ if (r < 0)
goto out;
- }
- if (opt_key_slot != CRYPT_ANY_SLOT || _slots_full(cd)) {
- log_dbg("Key slot %d is going to be overwritten (%s).",
- r, opt_key_slot != CRYPT_ANY_SLOT ?
- "explicit key slot specified" : "no free key slot");
- old_key_slot = r;
- new_key_slot = r;
- } else {
- log_dbg("Allocating new key slot.");
- old_key_slot = r;
- new_key_slot = CRYPT_ANY_SLOT;
- }
+ /* Check password before asking for new one */
+ r = crypt_activate_by_passphrase(cd, NULL, opt_key_slot,
+ password, password_size, CRYPT_ACTIVATE_ALLOW_UNBOUND_KEY);
+ tools_passphrase_msg(r);
+ check_signal(&r);
+ if (r < 0)
+ goto out;
+ tools_keyslot_msg(r, UNLOCKED);
+ r = tools_get_key(_("Enter new passphrase: "),
+ &password_new, &password_new_size,
+ opt_new_keyfile_offset, opt_new_keyfile_size,
+ opt_new_key_file,
+ opt_timeout, _verify_passphrase(1), 1, cd);
+ if (r < 0)
+ goto out;
+
+ r = crypt_keyslot_change_by_passphrase(cd, opt_key_slot, opt_key_slot,
+ password, password_size, password_new, password_new_size);
+ tools_keyslot_msg(r, CREATED);
+out:
crypt_safe_free(password);
- password = NULL;
- passwordLen = 0;
- r = crypt_get_key(_("Enter new LUKS passphrase: "),
- &password, &passwordLen,
- opt_new_keyfile_size, opt_new_key_file,
- opt_timeout, opt_batch_mode ? 0 : 1, cd);
+ crypt_safe_free(password_new);
+ crypt_free(cd);
+ return r;
+}
+
+static int action_luksConvertKey(void)
+{
+ struct crypt_device *cd = NULL;
+ char *password = NULL;
+ size_t password_size = 0;
+ int r;
+
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
+ goto out;
+
+ if ((r = crypt_load(cd, CRYPT_LUKS2, NULL))) {
+ log_err(_("Device %s is not a valid LUKS device."),
+ uuid_or_device_header(NULL));
+ goto out;
+ }
+
+ r = _set_keyslot_encryption_params(cd);
if (r < 0)
goto out;
- if (new_key_slot == old_key_slot) {
- (void)crypt_keyslot_destroy(cd, old_key_slot);
- r = crypt_keyslot_add_by_volume_key(cd, new_key_slot,
- vk, vk_size,
- password, passwordLen);
- if (r >= 0)
- log_verbose(_("Key slot %d changed.\n"), r);
- } else {
- r = crypt_keyslot_add_by_volume_key(cd, CRYPT_ANY_SLOT,
- vk, vk_size,
- password, passwordLen);
- if (r >= 0) {
- log_verbose(_("Replaced with key slot %d.\n"), r);
- r = crypt_keyslot_destroy(cd, old_key_slot);
- }
+ if (crypt_keyslot_status(cd, opt_key_slot) == CRYPT_SLOT_INACTIVE) {
+ r = -EINVAL;
+ log_err(_("Keyslot %d is not active."), opt_key_slot);
+ goto out;
+ }
+
+ r = set_pbkdf_params(cd, crypt_get_type(cd));
+ if (r) {
+ log_err(_("Failed to set pbkdf parameters."));
+ goto out;
}
+
+ r = tools_get_key(_("Enter passphrase for keyslot to be converted: "),
+ &password, &password_size,
+ opt_keyfile_offset, opt_keyfile_size, opt_key_file,
+ opt_timeout, _verify_passphrase(0), 0, cd);
if (r < 0)
- log_err(_("Failed to swap new key slot.\n"));
+ goto out;
+
+ r = crypt_keyslot_change_by_passphrase(cd, opt_key_slot, opt_key_slot,
+ password, password_size, password, password_size);
+ tools_passphrase_msg(r);
+ tools_keyslot_msg(r, CREATED);
out:
- crypt_safe_free(vk);
crypt_safe_free(password);
crypt_free(cd);
return r;
}
-static int action_isLuks(int arg __attribute__((unused)))
+static int action_isLuks(void)
{
struct crypt_device *cd = NULL;
int r;
- if ((r = crypt_init(&cd, action_argv[0])))
+ /* FIXME: argc > max should be checked for other operations as well */
+ if (action_argc > 1) {
+ log_err(_("Only one device argument for isLuks operation is supported."));
+ return -ENODEV;
+ }
+
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
goto out;
- r = crypt_load(cd, CRYPT_LUKS1, NULL);
+ crypt_set_log_callback(cd, quiet_log, NULL);
+ r = crypt_load(cd, luksType(opt_type), NULL);
out:
crypt_free(cd);
return r;
}
-static int action_luksUUID(int arg __attribute__((unused)))
+static int action_luksUUID(void)
{
struct crypt_device *cd = NULL;
const char *existing_uuid = NULL;
int r;
- if ((r = crypt_init(&cd, action_argv[0])))
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
goto out;
- crypt_set_confirm_callback(cd, _yesDialog, NULL);
+ crypt_set_confirm_callback(cd, yesDialog, _("Operation aborted.\n"));
- if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
+ if ((r = crypt_load(cd, luksType(opt_type), NULL)))
goto out;
if (opt_uuid)
unsigned i;
int r;
- crypt_set_confirm_callback(cd, _yesDialog, NULL);
- if (!_yesDialog(
- _("LUKS header dump with volume key is sensitive information\n"
- "which allows access to encrypted partition without passphrase.\n"
- "This dump should be always stored encrypted on safe place."),
+ crypt_set_confirm_callback(cd, yesDialog, NULL);
+ if (!yesDialog(
+ _("The header dump with volume key is sensitive information\n"
+ "that allows access to encrypted partition without a passphrase.\n"
+ "This dump should be stored encrypted in a safe place."),
NULL))
return -EPERM;
if (!vk)
return -ENOMEM;
- r = crypt_get_key(_("Enter LUKS passphrase: "), &password, &passwordLen,
- opt_keyfile_size, opt_key_file, opt_timeout, 0, cd);
+ r = tools_get_key(NULL, &password, &passwordLen,
+ opt_keyfile_offset, opt_keyfile_size, opt_key_file,
+ opt_timeout, 0, 0, cd);
if (r < 0)
goto out;
r = crypt_volume_key_get(cd, CRYPT_ANY_SLOT, vk, &vk_size,
password, passwordLen);
+ tools_passphrase_msg(r);
+ check_signal(&r);
if (r < 0)
goto out;
+ tools_keyslot_msg(r, UNLOCKED);
+
+ if (opt_master_key_file) {
+ r = tools_write_mk(opt_master_key_file, vk, vk_size);
+ if (r < 0)
+ goto out;
+ }
log_std("LUKS header information for %s\n", crypt_get_device_name(cd));
log_std("Cipher name: \t%s\n", crypt_get_cipher(cd));
log_std("Payload offset:\t%d\n", (int)crypt_get_data_offset(cd));
log_std("UUID: \t%s\n", crypt_get_uuid(cd));
log_std("MK bits: \t%d\n", (int)vk_size * 8);
+ if (opt_master_key_file) {
+ log_std("Key stored to file %s.\n", opt_master_key_file);
+ goto out;
+ }
log_std("MK dump:\t");
for(i = 0; i < vk_size; i++) {
log_std("\n\t\t");
log_std("%02hhx ", (char)vk[i]);
}
- log_std("\n");
+ log_std("\n");
+
+out:
+ crypt_safe_free(password);
+ crypt_safe_free(vk);
+ return r;
+}
+
+static int luksDump_with_unbound_key(struct crypt_device *cd)
+{
+ crypt_keyslot_info ki;
+ char *uk = NULL, *password = NULL;
+ size_t uk_size, passwordLen = 0;
+ int i, r;
+
+ ki = crypt_keyslot_status(cd, opt_key_slot);
+ if (ki != CRYPT_SLOT_UNBOUND) {
+ log_err(_("Keyslot %d does not contain unbound key."), opt_key_slot);
+ return -EINVAL;
+ }
+
+ crypt_set_confirm_callback(cd, yesDialog, NULL);
+ if (!yesDialog(
+ _("The header dump with unbound key is sensitive information.\n"
+ "This dump should be stored encrypted in a safe place."),
+ NULL))
+ return -EPERM;
+
+ r = crypt_keyslot_get_key_size(cd, opt_key_slot);
+ if (r < 0)
+ return -EINVAL;
+ uk_size = r;
+ uk = crypt_safe_alloc(uk_size);
+ if (!uk)
+ return -ENOMEM;
+
+ r = tools_get_key(NULL, &password, &passwordLen,
+ opt_keyfile_offset, opt_keyfile_size, opt_key_file,
+ opt_timeout, 0, 0, cd);
+ if (r < 0)
+ goto out;
+
+ r = crypt_volume_key_get(cd, opt_key_slot, uk, &uk_size,
+ password, passwordLen);
+ tools_passphrase_msg(r);
+ check_signal(&r);
+ if (r < 0)
+ goto out;
+ tools_keyslot_msg(r, UNLOCKED);
+
+ if (opt_master_key_file) {
+ r = tools_write_mk(opt_master_key_file, uk, uk_size);
+ if (r < 0)
+ goto out;
+ }
+
+ log_std("LUKS header information for %s\n", crypt_get_device_name(cd));
+ log_std("UUID: \t%s\n", crypt_get_uuid(cd));
+ log_std("Keyslot: \t%d\n", opt_key_slot);
+ log_std("Key bits:\t%d\n", (int)uk_size * 8);
+ if (opt_master_key_file) {
+ log_std("Key stored to file %s.\n", opt_master_key_file);
+ goto out;
+ }
+ log_std("Unbound Key:\t");
+
+ for(i = 0; i < (int)uk_size; i++) {
+ if (i && !(i % 16))
+ log_std("\n\t\t");
+ log_std("%02hhx ", (char)uk[i]);
+ }
+ log_std("\n");
+out:
+ crypt_safe_free(password);
+ crypt_safe_free(uk);
+ return r;
+}
+
+static int action_luksDump(void)
+{
+ struct crypt_device *cd = NULL;
+ int r;
+
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
+ goto out;
+
+ if ((r = crypt_load(cd, luksType(opt_type), NULL))) {
+ log_err(_("Device %s is not a valid LUKS device."),
+ uuid_or_device_header(NULL));
+ goto out;
+ }
+
+ if (opt_dump_master_key)
+ r = luksDump_with_volume_key(cd);
+ else if (opt_unbound)
+ r = luksDump_with_unbound_key(cd);
+ else
+ r = crypt_dump(cd);
+out:
+ crypt_free(cd);
+ return r;
+}
+
+static int action_luksSuspend(void)
+{
+ struct crypt_device *cd = NULL;
+ int r;
+
+ r = crypt_init_by_name_and_header(&cd, action_argv[0], uuid_or_device(opt_header_device));
+ if (!r)
+ r = crypt_suspend(cd, action_argv[0]);
+
+ crypt_free(cd);
+ return r;
+}
+
+static int action_luksResume(void)
+{
+ struct crypt_device *cd = NULL;
+ char *password = NULL;
+ size_t passwordLen;
+ int r, tries;
+
+ if ((r = crypt_init_by_name_and_header(&cd, action_argv[0], uuid_or_device(opt_header_device))))
+ goto out;
+
+ if ((r = crypt_load(cd, luksType(opt_type), NULL)))
+ goto out;
+
+ tries = (tools_is_stdin(opt_key_file) && isatty(STDIN_FILENO)) ? opt_tries : 1;
+ do {
+ r = tools_get_key(NULL, &password, &passwordLen,
+ opt_keyfile_offset, opt_keyfile_size, opt_key_file,
+ opt_timeout, _verify_passphrase(0), 0, cd);
+ if (r < 0)
+ goto out;
+
+ r = crypt_resume_by_passphrase(cd, action_argv[0], CRYPT_ANY_SLOT,
+ password, passwordLen);
+ tools_passphrase_msg(r);
+ check_signal(&r);
+ tools_keyslot_msg(r, UNLOCKED);
+
+ crypt_safe_free(password);
+ password = NULL;
+ } while ((r == -EPERM || r == -ERANGE) && (--tries > 0));
+out:
+ crypt_safe_free(password);
+ crypt_free(cd);
+ return r;
+}
+
+static int action_luksBackup(void)
+{
+ struct crypt_device *cd = NULL;
+ int r;
+
+ if (!opt_header_backup_file) {
+ log_err(_("Option --header-backup-file is required."));
+ return -EINVAL;
+ }
+
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
+ goto out;
+
+ crypt_set_confirm_callback(cd, yesDialog, NULL);
+
+ r = crypt_header_backup(cd, NULL, opt_header_backup_file);
+out:
+ crypt_free(cd);
+ return r;
+}
+
+static int action_luksRestore(void)
+{
+ struct crypt_device *cd = NULL;
+ int r = 0;
+
+ if (!opt_header_backup_file) {
+ log_err(_("Option --header-backup-file is required."));
+ return -EINVAL;
+ }
+
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
+ goto out;
+
+ crypt_set_confirm_callback(cd, yesDialog, NULL);
+ r = crypt_header_restore(cd, NULL, opt_header_backup_file);
+out:
+ crypt_free(cd);
+ return r;
+}
+
+static const char *_get_device_type(void)
+{
+ const char *type, *name = NULL;
+ struct crypt_device *cd = NULL;
+
+ if (action_argc > 1)
+ name = action_argv[1];
+ else if (action_argc == 1)
+ name = action_argv[0];
+
+ if (crypt_init_by_name_and_header(&cd, name, opt_header_device))
+ return NULL;
+
+ type = crypt_get_type(cd);
+ if (!type) {
+ crypt_free(cd);
+ log_err(_("%s is not cryptsetup managed device."), name);
+ return NULL;
+ }
+
+ if (!strncmp(type, "LUKS", 4))
+ type = "luks";
+ else if (!strcmp(type, CRYPT_PLAIN))
+ type = "plain";
+ else if (!strcmp(type, CRYPT_LOOPAES))
+ type = "loopaes";
+ else {
+ log_err(_("Refresh is not supported for device type %s"), type);
+ type = NULL;
+ }
+
+ crypt_free(cd);
+
+ return type;
+}
+
+static int action_open(void)
+{
+ if (opt_refresh && !opt_type)
+ /* read device type from active mapping */
+ opt_type = _get_device_type();
+
+ if (!opt_type)
+ return -EINVAL;
+
+ if (!strcmp(opt_type, "luks") ||
+ !strcmp(opt_type, "luks1") ||
+ !strcmp(opt_type, "luks2")) {
+ if (action_argc < 2 && (!opt_test_passphrase && !opt_refresh))
+ goto args;
+ return action_open_luks();
+ } else if (!strcmp(opt_type, "plain")) {
+ if (action_argc < 2 && !opt_refresh)
+ goto args;
+ return action_open_plain();
+ } else if (!strcmp(opt_type, "loopaes")) {
+ if (action_argc < 2 && !opt_refresh)
+ goto args;
+ return action_open_loopaes();
+ } else if (!strcmp(opt_type, "tcrypt")) {
+ if (action_argc < 2 && !opt_test_passphrase)
+ goto args;
+ return action_open_tcrypt();
+ } else if (!strcmp(opt_type, "bitlk")) {
+ if (action_argc < 2 && !opt_test_passphrase)
+ goto args;
+ return action_open_bitlk();
+ }
+
+ log_err(_("Unrecognized metadata device type %s."), opt_type);
+ return -EINVAL;
+args:
+ log_err(_("Command requires device and mapped name as arguments."));
+ return -EINVAL;
+}
+
+static int action_luksErase(void)
+{
+ struct crypt_device *cd = NULL;
+ crypt_keyslot_info ki;
+ char *msg = NULL;
+ int i, max, r;
+
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
+ goto out;
+
+ crypt_set_confirm_callback(cd, yesDialog, NULL);
+
+ if ((r = crypt_load(cd, luksType(opt_type), NULL))) {
+ log_err(_("Device %s is not a valid LUKS device."),
+ uuid_or_device_header(NULL));
+ goto out;
+ }
+
+ if(asprintf(&msg, _("This operation will erase all keyslots on device %s.\n"
+ "Device will become unusable after this operation."),
+ uuid_or_device_header(NULL)) == -1) {
+ r = -ENOMEM;
+ goto out;
+ }
+
+ if (!yesDialog(msg, _("Operation aborted, keyslots were NOT wiped.\n"))) {
+ r = -EPERM;
+ goto out;
+ }
+
+ /* Safety check */
+ max = crypt_keyslot_max(crypt_get_type(cd));
+ if (max <= 0)
+ return -EINVAL;
+
+ for (i = 0; i < max; i++) {
+ ki = crypt_keyslot_status(cd, i);
+ if (ki == CRYPT_SLOT_ACTIVE || ki == CRYPT_SLOT_ACTIVE_LAST) {
+ r = crypt_keyslot_destroy(cd, i);
+ if (r < 0)
+ goto out;
+ tools_keyslot_msg(i, REMOVED);
+ }
+ }
+out:
+ free(msg);
+ crypt_free(cd);
+ return r;
+}
+
+static int action_luksConvert(void)
+{
+ struct crypt_device *cd = NULL;
+ char *msg = NULL;
+ const char *to_type, *from_type;
+ int r;
+
+ if (!strcmp(opt_type, "luks2")) {
+ to_type = CRYPT_LUKS2;
+ } else if (!strcmp(opt_type, "luks1")) {
+ to_type = CRYPT_LUKS1;
+ } else {
+ log_err(_("Invalid LUKS type, only luks1 and luks2 are supported."));
+ return -EINVAL;
+ }
+
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
+ return r;
+
+ crypt_set_confirm_callback(cd, yesDialog, NULL);
+
+ if ((r = crypt_load(cd, CRYPT_LUKS, NULL)) ||
+ !(from_type = crypt_get_type(cd))) {
+ log_err(_("Device %s is not a valid LUKS device."),
+ uuid_or_device_header(NULL));
+ crypt_free(cd);
+ return r;
+ }
+
+ if (!strcmp(from_type, to_type)) {
+ log_err(_("Device is already %s type."), to_type);
+ crypt_free(cd);
+ return -EINVAL;
+ }
+
+ if (asprintf(&msg, _("This operation will convert %s to %s format.\n"),
+ uuid_or_device_header(NULL), to_type) == -1) {
+ crypt_free(cd);
+ return -ENOMEM;
+ }
+
+ if (yesDialog(msg, _("Operation aborted, device was NOT converted.\n")))
+ r = crypt_convert(cd, to_type, NULL);
+ else
+ r = -EPERM;
+
+ free(msg);
+ crypt_free(cd);
+ return r;
+}
+
+static int _config_priority(struct crypt_device *cd)
+{
+ crypt_keyslot_info cs;
+ crypt_keyslot_priority priority = CRYPT_SLOT_PRIORITY_INVALID;
+
+ if (!strcmp("normal", opt_priority))
+ priority = CRYPT_SLOT_PRIORITY_NORMAL;
+ else if (!strcmp("prefer", opt_priority))
+ priority = CRYPT_SLOT_PRIORITY_PREFER;
+ else if (!strcmp("ignore", opt_priority))
+ priority = CRYPT_SLOT_PRIORITY_IGNORE;
+
+ cs = crypt_keyslot_status(cd, opt_key_slot);
+ if (cs != CRYPT_SLOT_INVALID)
+ return crypt_keyslot_set_priority(cd, opt_key_slot, priority);
+
+ return -EINVAL;
+}
+
+static int _config_labels(struct crypt_device *cd)
+{
+ return crypt_set_label(cd, opt_label, opt_subsystem);
+}
+
+static int action_luksConfig(void)
+{
+ struct crypt_device *cd = NULL;
+ int r;
+
+ if (!opt_priority && !opt_label && !opt_subsystem) {
+ log_err(_("Option --priority, --label or --subsystem is missing."));
+ return -EINVAL;
+ }
+
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
+ return r;
+
+ if ((r = crypt_load(cd, CRYPT_LUKS2, NULL))) {
+ log_err(_("Device %s is not a valid LUKS device."),
+ uuid_or_device_header(NULL));
+ goto out;
+ }
+
+ if (opt_priority && (r = _config_priority(cd)))
+ goto out;
+
+ if ((opt_label || opt_subsystem) && (r = _config_labels(cd)))
+ goto out;
+out:
+ crypt_free(cd);
+ return r;
+}
+
+static int _token_add(struct crypt_device *cd)
+{
+ int r, token;
+ crypt_token_info token_info;
+ const struct crypt_token_params_luks2_keyring params = {
+ .key_description = opt_key_description
+ };
+
+ if (opt_token != CRYPT_ANY_TOKEN) {
+ token_info = crypt_token_status(cd, opt_token, NULL);
+ if (token_info < CRYPT_TOKEN_INACTIVE) {
+ log_err(_("Token %d is invalid."), opt_token);
+ return -EINVAL;
+ } else if (token_info > CRYPT_TOKEN_INACTIVE) {
+ log_err(_("Token %d in use."), opt_token);
+ return -EINVAL;
+ }
+ }
+
+ r = crypt_token_luks2_keyring_set(cd, opt_token, ¶ms);
+ if (r < 0) {
+ log_err(_("Failed to add luks2-keyring token %d."), opt_token);
+ return r;
+ }
+
+ token = r;
+ tools_token_msg(token, CREATED);
+
+ r = crypt_token_assign_keyslot(cd, token, opt_key_slot);
+ if (r < 0) {
+ log_err(_("Failed to assign token %d to keyslot %d."), token, opt_key_slot);
+ (void) crypt_token_json_set(cd, token, NULL);
+ }
+
+ return r;
+}
+
+static int _token_remove(struct crypt_device *cd)
+{
+ crypt_token_info token_info;
+ int r;
+
+ token_info = crypt_token_status(cd, opt_token, NULL);
+ if (token_info < CRYPT_TOKEN_INACTIVE) {
+ log_err(_("Token %d is invalid."), opt_token);
+ return -EINVAL;
+ } else if (token_info == CRYPT_TOKEN_INACTIVE) {
+ log_err(_("Token %d is not in use."), opt_token);
+ return -EINVAL;
+ }
+
+ r = crypt_token_json_set(cd, opt_token, NULL);
+ tools_token_msg(r, REMOVED);
+
+ return r;
+}
+
+static int _token_import(struct crypt_device *cd)
+{
+ char *json;
+ size_t json_length;
+ crypt_token_info token_info;
+ int r, token;
+
+ if (opt_token != CRYPT_ANY_TOKEN) {
+ token_info = crypt_token_status(cd, opt_token, NULL);
+ if (token_info < CRYPT_TOKEN_INACTIVE) {
+ log_err(_("Token %d is invalid."), opt_token);
+ return -EINVAL;
+ } else if (token_info > CRYPT_TOKEN_INACTIVE) {
+ log_err(_("Token %d in use."), opt_token);
+ return -EINVAL;
+ }
+ }
+
+ r = tools_read_json_file(cd, opt_json_file, &json, &json_length);
+ if (r)
+ return r;
+
+ r = crypt_token_json_set(cd, opt_token, json);
+ free(json);
+ if (r < 0) {
+ log_err(_("Failed to import token from file."));
+ return r;
+ }
+
+ token = r;
+ tools_token_msg(token, CREATED);
+
+ if (opt_key_slot != CRYPT_ANY_SLOT) {
+ r = crypt_token_assign_keyslot(cd, token, opt_key_slot);
+ if (r < 0) {
+ log_err(_("Failed to assign token %d to keyslot %d."), token, opt_key_slot);
+ (void) crypt_token_json_set(cd, token, NULL);
+ }
+ }
+
+ return r;
+}
+
+static int _token_export(struct crypt_device *cd)
+{
+ const char *json;
+ int r;
+
+ r = crypt_token_json_get(cd, opt_token, &json);
+ if (r < 0) {
+ log_err(_("Failed to get token %d for export."), opt_token);
+ return r;
+ }
+
+ return tools_write_json_file(cd, opt_json_file, json);
+}
+
+static int action_token(void)
+{
+ int r;
+ struct crypt_device *cd = NULL;
+ enum { ADD = 0, REMOVE, IMPORT, EXPORT } action;
+
+ if (!strcmp(action_argv[0], "add")) {
+ if (!opt_key_description) {
+ log_err(_("--key-description parameter is mandatory for token add action."));
+ return -EINVAL;
+ }
+ action = ADD;
+ } else if (!strcmp(action_argv[0], "remove")) {
+ if (opt_token == CRYPT_ANY_TOKEN) {
+ log_err(_("Action requires specific token. Use --token-id parameter."));
+ return -EINVAL;
+ }
+ action = REMOVE;
+ } else if (!strcmp(action_argv[0], "import")) {
+ action = IMPORT;
+ } else if (!strcmp(action_argv[0], "export")) {
+ if (opt_token == CRYPT_ANY_TOKEN) {
+ log_err(_("Action requires specific token. Use --token-id parameter."));
+ return -EINVAL;
+ }
+ action = EXPORT;
+ } else {
+ log_err(_("Invalid token operation %s."), action_argv[0]);
+ return -EINVAL;
+ }
+
+ if ((r = crypt_init(&cd, uuid_or_device(opt_header_device ?: action_argv[1]))))
+ return r;
+
+ if ((r = crypt_load(cd, CRYPT_LUKS2, NULL))) {
+ log_err(_("Device %s is not a valid LUKS device."),
+ uuid_or_device(opt_header_device ?: action_argv[1]));
+ crypt_free(cd);
+ return r;
+ }
+
+ if (action == ADD)
+ r = _token_add(cd); /* adds only luks2-keyring type */
+ else if (action == REMOVE)
+ r = _token_remove(cd);
+ else if (action == IMPORT)
+ r = _token_import(cd);
+ else if (action == EXPORT)
+ r = _token_export(cd);
+ else {
+ log_dbg("Internal token action error.");
+ r = -EINVAL;
+ }
+
+ crypt_free(cd);
+
+ return r;
+}
+
+static int auto_detect_active_name(struct crypt_device *cd, const char *data_device, char *dm_name, size_t dm_name_len)
+{
+ int r;
+
+ r = tools_lookup_crypt_device(cd, crypt_get_type(cd), data_device, dm_name, dm_name_len);
+ if (r > 0)
+ log_dbg("Device %s has %d active holders.", data_device, r);
+
+ return r;
+}
+
+static int _get_device_active_name(struct crypt_device *cd, const char *data_device, char *buffer, size_t buffer_size)
+{
+ char *msg;
+ int r;
+
+ r = auto_detect_active_name(cd, action_argv[0], buffer, buffer_size);
+ if (r > 0) {
+ if (*buffer == '\0') {
+ log_err(_("Device %s is still in use."), data_device);
+ return -EINVAL;
+ }
+ if (!opt_batch_mode)
+ log_std(_("Auto-detected active dm device '%s' for data device %s.\n"), buffer, data_device);
+ }
+ if (r < 0) {
+ if (r == -ENOTBLK)
+ log_std(_("Device %s is not a block device.\n"), data_device);
+ else
+ log_err(_("Failed to auto-detect device %s holders."), data_device);
+
+ r = asprintf(&msg, _("Unable to decide if device %s is activated or not.\n"
+ "Are you sure you want to proceed with reencryption in offline mode?\n"
+ "It may lead to data corruption if the device is actually activated.\n"
+ "To run reencryption in online mode, use --active-name parameter instead.\n"), data_device);
+ if (r < 0)
+ return -ENOMEM;
+ r = noDialog(msg, _("Operation aborted.\n")) ? 0 : -EINVAL;
+ free(msg);
+ }
+
+ return r;
+}
+
+static int action_reencrypt_load(struct crypt_device *cd)
+{
+ int r;
+ size_t passwordLen;
+ char dm_name[PATH_MAX] = {}, *password = NULL;
+ const char *active_name = NULL;
+ struct crypt_params_reencrypt params = {
+ .resilience = opt_resilience_mode,
+ .hash = opt_resilience_hash,
+ .max_hotzone_size = opt_hotzone_size / SECTOR_SIZE,
+ .device_size = opt_device_size / SECTOR_SIZE,
+ .flags = CRYPT_REENCRYPT_RESUME_ONLY
+ };
+
+ r = tools_get_key(NULL, &password, &passwordLen,
+ opt_keyfile_offset, opt_keyfile_size, opt_key_file,
+ opt_timeout, _verify_passphrase(0), 0, cd);
+ if (r < 0)
+ return r;
+
+ if (!opt_active_name) {
+ r = _get_device_active_name(cd, action_argv[0], dm_name, sizeof(dm_name));
+ if (r > 0)
+ active_name = dm_name;
+ if (r < 0) {
+ crypt_safe_free(password);
+ return -EINVAL;
+ }
+ } else
+ active_name = opt_active_name;
+
+ r = crypt_reencrypt_init_by_passphrase(cd, active_name, password, passwordLen, opt_key_slot, opt_key_slot, NULL, NULL, ¶ms);
+
+ crypt_safe_free(password);
+
+ return r;
+}
+
+static int action_encrypt_luks2(struct crypt_device **cd)
+{
+ const char *type, *activated_name = NULL;
+ int keyslot, r, fd;
+ uuid_t uuid;
+ size_t passwordLen;
+ char *msg, uuid_str[37], header_file[PATH_MAX] = { 0 }, *password = NULL;
+ uint32_t activate_flags = 0;
+ const struct crypt_params_luks2 luks2_params = {
+ .sector_size = opt_sector_size ?: SECTOR_SIZE
+ };
+ struct crypt_params_reencrypt params = {
+ .mode = CRYPT_REENCRYPT_ENCRYPT,
+ .direction = opt_data_shift < 0 ? CRYPT_REENCRYPT_BACKWARD : CRYPT_REENCRYPT_FORWARD,
+ .resilience = opt_resilience_mode,
+ .hash = opt_resilience_hash,
+ .max_hotzone_size = opt_hotzone_size / SECTOR_SIZE,
+ .device_size = opt_device_size / SECTOR_SIZE,
+ .luks2 = &luks2_params,
+ .flags = CRYPT_REENCRYPT_INITIALIZE_ONLY
+ };
+
+ _set_reencryption_flags(¶ms.flags);
+
+ type = luksType(opt_type);
+ if (!type)
+ type = crypt_get_default_type();
+
+ if (strcmp(type, CRYPT_LUKS2)) {
+ log_err(_("Invalid LUKS device type."));
+ return -EINVAL;
+ }
+
+ if (!opt_data_shift && !opt_header_device) {
+ log_err(_("Encryption without detached header (--header) is not possible without data device size reduction (--reduce-device-size)."));
+ return -ENOTSUP;
+ }
+
+ if (!opt_header_device && opt_offset && opt_data_shift && (opt_offset > (imaxabs(opt_data_shift) / (2 * SECTOR_SIZE)))) {
+ log_err(_("Requested data offset must be less than or equal to half of --reduce-device-size parameter."));
+ return -EINVAL;
+ }
+
+ /* TODO: ask user to confirm. It's useless to do data device reduction and than use smaller value */
+ if (!opt_header_device && opt_offset && opt_data_shift && (opt_offset < (imaxabs(opt_data_shift) / (2 * SECTOR_SIZE)))) {
+ opt_data_shift = -(opt_offset * 2 * SECTOR_SIZE);
+ if (opt_data_shift >= 0)
+ return -EINVAL;
+ log_std(_("Adjusting --reduce-device-size value to twice the --offset %" PRIu64 " (sectors).\n"), opt_offset * 2);
+ }
+
+ if (strncmp(type, CRYPT_LUKS2, strlen(CRYPT_LUKS2))) {
+ log_err(_("Encryption is supported only for LUKS2 format."));
+ return -EINVAL;
+ }
+
+ if (opt_uuid && uuid_parse(opt_uuid, uuid) == -1) {
+ log_err(_("Wrong LUKS UUID format provided."));
+ return -EINVAL;
+ }
+
+ if (!opt_uuid) {
+ uuid_generate(uuid);
+ uuid_unparse(uuid, uuid_str);
+ opt_uuid = uuid_str;
+ }
+
+ /* Check the data device is not LUKS device already */
+ if ((r = crypt_init(cd, action_argv[0])))
+ return r;
+ r = crypt_load(*cd, CRYPT_LUKS, NULL);
+ crypt_free(*cd);
+ *cd = NULL;
+ if (!r) {
+ r = asprintf(&msg, _("Detected LUKS device on %s. Do you want to encrypt that LUKS device again?"), action_argv[0]);
+ if (r == -1)
+ return -ENOMEM;
+
+ r = yesDialog(msg, _("Operation aborted.\n")) ? 0 : -EINVAL;
+ free(msg);
+ if (r < 0)
+ return r;
+ }
+
+ if (!opt_header_device) {
+ snprintf(header_file, sizeof(header_file), "LUKS2-temp-%s.new", opt_uuid);
+ fd = open(header_file, O_CREAT|O_EXCL|O_WRONLY, S_IRUSR|S_IWUSR);
+ if (fd == -1) {
+ if (errno == EEXIST)
+ log_err(_("Temporary header file %s already exists. Aborting."), header_file);
+ else
+ log_err(_("Cannot create temporary header file %s."), header_file);
+ return -EINVAL;
+ }
+
+ r = posix_fallocate(fd, 0, 4096);
+ close(fd);
+ if (r) {
+ log_err(_("Cannot create temporary header file %s."), header_file);
+ r = -EINVAL;
+ goto err;
+ }
+
+ opt_header_device = header_file;
+ /*
+ * FIXME: just override offset here, but we should support both.
+ * offset and implicit offset via data shift (lvprepend?)
+ */
+ if (!opt_offset)
+ opt_offset = imaxabs(opt_data_shift) / (2 * SECTOR_SIZE);
+ opt_data_shift >>= 1;
+ params.flags |= CRYPT_REENCRYPT_MOVE_FIRST_SEGMENT;
+ } else if (opt_data_shift < 0) {
+ if (!opt_luks2_metadata_size)
+ opt_luks2_metadata_size = 0x4000; /* missing default here */
+ if (!opt_luks2_keyslots_size)
+ opt_luks2_keyslots_size = -opt_data_shift - 2 * opt_luks2_metadata_size;
+
+ if (2 * opt_luks2_metadata_size + opt_luks2_keyslots_size > (uint64_t)-opt_data_shift) {
+ log_err("LUKS2 metadata size is larger than data shift value.");
+ return -EINVAL;
+ }
+ }
+
+ r = _luksFormat(cd, &password, &passwordLen);
+ if (r < 0)
+ goto err;
+
+ if (opt_data_shift) {
+ params.data_shift = imaxabs(opt_data_shift) / SECTOR_SIZE,
+ params.resilience = "datashift";
+ }
+ keyslot = opt_key_slot < 0 ? 0 : opt_key_slot;
+ r = crypt_reencrypt_init_by_passphrase(*cd, NULL, password, passwordLen,
+ CRYPT_ANY_SLOT, keyslot, crypt_get_cipher(*cd),
+ crypt_get_cipher_mode(*cd), ¶ms);
+ if (r < 0) {
+ crypt_keyslot_destroy(*cd, keyslot);
+ goto err;
+ }
+
+ /* Restore temporary header in head of data device */
+ if (*header_file) {
+ crypt_free(*cd);
+ *cd = NULL;
+
+ r = crypt_init(cd, action_argv[0]);
+ if (!r)
+ r = crypt_header_restore(*cd, CRYPT_LUKS2, header_file);
+
+ if (r) {
+ log_err("Failed to place new header at head of device %s.", action_argv[0]);
+ goto err;
+ }
+ }
+
+ /* activate device */
+ if (action_argc > 1) {
+ activated_name = action_argv[1];
+ _set_activation_flags(&activate_flags);
+ r = crypt_activate_by_passphrase(*cd, activated_name, opt_key_slot, password, passwordLen, activate_flags);
+ if (r >= 0)
+ log_std(_("%s/%s is now active and ready for online encryption.\n"), crypt_get_dir(), activated_name);
+ }
+
+ if (r < 0)
+ goto err;
+
+ /* just load reencryption context to continue reencryption */
+ if (!opt_reencrypt_init_only) {
+ params.flags &= ~CRYPT_REENCRYPT_INITIALIZE_ONLY;
+ r = crypt_reencrypt_init_by_passphrase(*cd, activated_name, password, passwordLen,
+ CRYPT_ANY_SLOT, keyslot, NULL, NULL, ¶ms);
+ }
+err:
+ crypt_safe_free(password);
+ if (*header_file)
+ unlink(header_file);
+ return r;
+}
+
+static int action_decrypt_luks2(struct crypt_device *cd)
+{
+ int r;
+ char dm_name[PATH_MAX], *password = NULL;
+ const char *active_name = NULL;
+ struct crypt_params_reencrypt params = {
+ .mode = CRYPT_REENCRYPT_DECRYPT,
+ .direction = opt_data_shift > 0 ? CRYPT_REENCRYPT_FORWARD : CRYPT_REENCRYPT_BACKWARD,
+ .resilience = opt_data_shift ? "datashift" : opt_resilience_mode,
+ .hash = opt_resilience_hash,
+ .data_shift = imaxabs(opt_data_shift) / SECTOR_SIZE,
+ .device_size = opt_device_size / SECTOR_SIZE,
+ .max_hotzone_size = opt_hotzone_size / SECTOR_SIZE,
+ };
+ size_t passwordLen;
+
+ _set_reencryption_flags(¶ms.flags);
+
+ r = tools_get_key(NULL, &password, &passwordLen,
+ opt_keyfile_offset, opt_keyfile_size, opt_key_file,
+ opt_timeout, _verify_passphrase(0), 0, cd);
+ if (r < 0)
+ return r;
+
+ if (!opt_active_name) {
+ r = _get_device_active_name(cd, action_argv[0], dm_name, sizeof(dm_name));
+ if (r > 0)
+ active_name = dm_name;
+ if (r < 0)
+ goto err;
+ } else
+ active_name = opt_active_name;
+
+ if (!active_name)
+ log_dbg("Device %s seems unused. Proceeding with offline operation.", action_argv[0]);
+
+ r = crypt_reencrypt_init_by_passphrase(cd, active_name, password,
+ passwordLen, opt_key_slot, CRYPT_ANY_SLOT, NULL, NULL, ¶ms);
+err:
+ crypt_safe_free(password);
+ return r;
+}
+
+struct keyslot_passwords {
+ char *password;
+ size_t passwordLen;
+ int new;
+};
+
+static struct keyslot_passwords *init_keyslot_passwords(size_t count)
+{
+ size_t i;
+ struct keyslot_passwords *tmp = calloc(count, sizeof(struct keyslot_passwords));
+
+ if (!tmp)
+ return tmp;
+
+ for (i = 0; i < count; i++)
+ tmp[i].new = -1;
+
+ return tmp;
+}
+
+static int init_passphrase(struct keyslot_passwords *kp, size_t keyslot_passwords_length,
+ struct crypt_device *cd, const char *msg, int slot_to_check)
+{
+ crypt_keyslot_info ki;
+ char *password;
+ int r = -EINVAL, retry_count;
+ size_t passwordLen;
+
+ if (slot_to_check != CRYPT_ANY_SLOT) {
+ ki = crypt_keyslot_status(cd, slot_to_check);
+ if (ki < CRYPT_SLOT_ACTIVE || ki == CRYPT_SLOT_UNBOUND)
+ return -ENOENT;
+ }
+
+ retry_count = (opt_tries && !opt_key_file) ? opt_tries : 1;
+ while (retry_count--) {
+ r = tools_get_key(msg, &password, &passwordLen, 0, 0,
+ opt_key_file, 0, 0, 0 /*pwquality*/, cd);
+ if (r < 0)
+ return r;
+ if (quit) {
+ crypt_safe_free(password);
+ password = NULL;
+ passwordLen = 0;
+ return -EAGAIN;
+ }
+
+ r = crypt_activate_by_passphrase(cd, NULL, slot_to_check,
+ password, passwordLen, 0);
+ if (r < 0) {
+ crypt_safe_free(password);
+ password = NULL;
+ passwordLen = 0;
+ }
+ if (r < 0 && r != -EPERM)
+ return r;
+
+ if (r >= 0) {
+ tools_keyslot_msg(r, UNLOCKED);
+ if ((size_t)r >= keyslot_passwords_length) {
+ crypt_safe_free(password);
+ return -EINVAL;
+ }
+ kp[r].password = password;
+ kp[r].passwordLen = passwordLen;
+ break;
+ }
+ tools_passphrase_msg(r);
+ }
+
+ password = NULL;
+ passwordLen = 0;
+
+ return r;
+}
+
+static int _check_luks2_keyslots(struct crypt_device *cd)
+{
+ int i, max = crypt_keyslot_max(CRYPT_LUKS2), active = 0, unbound = 0;
+
+ if (max < 0)
+ return max;
+
+ for (i = 0; i < max; i++) {
+ switch (crypt_keyslot_status(cd, i)) {
+ case CRYPT_SLOT_INVALID:
+ return -EINVAL;
+ case CRYPT_SLOT_ACTIVE:
+ /* fall-through */
+ case CRYPT_SLOT_ACTIVE_LAST:
+ active++;
+ break;
+ case CRYPT_SLOT_UNBOUND:
+ unbound++;
+ /* fall-through */
+ default:
+ break;
+ }
+ }
+
+ /* at least one keyslot for reencryption plus new volume key */
+ if (active + unbound > max - 2) {
+ log_err(_("Not enough free keyslots for reencryption."));
+ return -EINVAL;
+ }
+
+ if ((opt_key_slot == CRYPT_ANY_SLOT) &&
+ (2 * active + unbound > max - 1)) {
+ log_err(_("Not enough free keyslots for reencryption."));
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int fill_keyslot_passwords(struct crypt_device *cd,
+ struct keyslot_passwords *kp, size_t kp_size)
+{
+ char msg[128];
+ crypt_keyslot_info ki;
+ int i, r = 0;
+
+ if (opt_key_slot == CRYPT_ANY_SLOT && opt_key_file) {
+ for (i = 0; (size_t)i < kp_size; i++) {
+ ki = crypt_keyslot_status(cd, i);
+ if (ki == CRYPT_SLOT_INVALID)
+ return -EINVAL;
+ if (ki == CRYPT_SLOT_ACTIVE) {
+ log_err(_("Key file can be used only with --key-slot or with "
+ "exactly one key slot active."));
+ return -EINVAL;
+ }
+ }
+ }
+
+ if (opt_key_slot == CRYPT_ANY_SLOT) {
+ for (i = 0; (size_t)i < kp_size; i++) {
+ snprintf(msg, sizeof(msg), _("Enter passphrase for key slot %d: "), i);
+ r = init_passphrase(kp, kp_size, cd, msg, i);
+ if (r == -ENOENT)
+ r = 0;
+ if (r < 0)
+ break;
+ }
+ } else {
+ snprintf(msg, sizeof(msg), _("Enter passphrase for key slot %u: "), opt_key_slot);
+ r = init_passphrase(kp, kp_size, cd, msg, opt_key_slot);
+ }
+
+ return r < 0 ? r : 0;
+}
+
+static int assign_tokens(struct crypt_device *cd, int keyslot_old, int keyslot_new)
+{
+ int token = 0, r = crypt_token_is_assigned(cd, token, keyslot_old);
+
+ while (r != -EINVAL) {
+ if (!r && (token != crypt_token_assign_keyslot(cd, token, keyslot_new)))
+ return -EINVAL;
+ token++;
+ r = crypt_token_is_assigned(cd, token, keyslot_old);
+ }
-out:
- crypt_safe_free(password);
- crypt_safe_free(vk);
- return r;
+ /* we reached max token number, exit */
+ return 0;
}
-static int action_luksDump(int arg __attribute__((unused)))
+static int action_reencrypt_luks2(struct crypt_device *cd)
{
- struct crypt_device *cd = NULL;
- int r;
+ size_t i, vk_size, kp_size;
+ int r, keyslot_old = CRYPT_ANY_SLOT, keyslot_new = CRYPT_ANY_SLOT, key_size;
+ char dm_name[PATH_MAX], cipher [MAX_CIPHER_LEN], mode[MAX_CIPHER_LEN], *vk;
+ const char *active_name = NULL;
+ struct keyslot_passwords *kp;
+ struct crypt_params_luks2 luks2_params = {};
+ struct crypt_params_reencrypt params = {
+ .mode = CRYPT_REENCRYPT_REENCRYPT,
+ .direction = opt_data_shift < 0 ? CRYPT_REENCRYPT_BACKWARD : CRYPT_REENCRYPT_FORWARD,
+ .resilience = opt_data_shift ? "datashift" : opt_resilience_mode,
+ .hash = opt_resilience_hash,
+ .data_shift = imaxabs(opt_data_shift) / SECTOR_SIZE,
+ .max_hotzone_size = opt_hotzone_size / SECTOR_SIZE,
+ .device_size = opt_device_size / SECTOR_SIZE,
+ .luks2 = &luks2_params,
+ };
- if ((r = crypt_init(&cd, action_argv[0])))
- goto out;
+ _set_reencryption_flags(¶ms.flags);
- if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
- goto out;
+ if (!opt_cipher) {
+ strncpy(cipher, crypt_get_cipher(cd), MAX_CIPHER_LEN - 1);
+ strncpy(mode, crypt_get_cipher_mode(cd), MAX_CIPHER_LEN - 1);
+ cipher[MAX_CIPHER_LEN-1] = '\0';
+ mode[MAX_CIPHER_LEN-1] = '\0';
+ } else if ((r = crypt_parse_name_and_mode(opt_cipher, cipher, NULL, mode))) {
+ log_err(_("No known cipher specification pattern detected."));
+ return r;
+ }
- if (opt_dump_master_key)
- r = luksDump_with_volume_key(cd);
- else
- r = crypt_dump(cd);
-out:
- crypt_free(cd);
- return r;
-}
+ luks2_params.sector_size = opt_sector_size ?: crypt_get_sector_size(cd);
-static int action_luksSuspend(int arg __attribute__((unused)))
-{
- struct crypt_device *cd = NULL;
- int r;
+ r = _check_luks2_keyslots(cd);
+ if (r)
+ return r;
- r = crypt_init_by_name_and_header(&cd, action_argv[0], opt_header_device);
- if (!r)
- r = crypt_suspend(cd, action_argv[0]);
+ if (opt_key_size)
+ key_size = opt_key_size / 8;
+ else if (opt_cipher)
+ key_size = DEFAULT_LUKS1_KEYBITS / 8;
+ else
+ key_size = crypt_get_volume_key_size(cd);
- crypt_free(cd);
- return r;
-}
+ if (!key_size)
+ return -EINVAL;
-static int action_luksResume(int arg __attribute__((unused)))
-{
- struct crypt_device *cd = NULL;
- int r;
+ r = crypt_keyslot_max(CRYPT_LUKS2);
+ if (r < 0)
+ return r;
+ kp_size = r;
+ kp = init_keyslot_passwords(kp_size);
- if ((r = crypt_init_by_name_and_header(&cd, action_argv[0], opt_header_device)))
- goto out;
+ if (!kp)
+ return -ENOMEM;
- crypt_set_timeout(cd, opt_timeout);
- crypt_set_password_retry(cd, opt_tries);
+ r = fill_keyslot_passwords(cd, kp, kp_size);
+ if (r)
+ goto err;
- 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;
-}
+ vk_size = key_size;
+ vk = crypt_safe_alloc(vk_size);
+ if (!vk) {
+ r = -ENOMEM;
+ goto err;
+ }
-static int action_luksBackup(int arg __attribute__((unused)))
-{
- struct crypt_device *cd = NULL;
- int r;
+ r = -ENOENT;
- if (!opt_header_backup_file) {
- log_err(_("Option --header-backup-file is required.\n"));
- return -EINVAL;
+ for (i = 0; i < kp_size; i++) {
+ if (kp[i].password && keyslot_new < 0) {
+ r = set_keyslot_params(cd, i);
+ if (r < 0)
+ break;
+ r = crypt_keyslot_add_by_key(cd, CRYPT_ANY_SLOT, NULL, key_size,
+ kp[i].password, kp[i].passwordLen, CRYPT_VOLUME_KEY_NO_SEGMENT);
+ tools_keyslot_msg(r, CREATED);
+ if (r < 0)
+ break;
+
+ kp[i].new = r;
+ keyslot_new = r;
+ keyslot_old = i;
+ r = crypt_volume_key_get(cd, keyslot_new, vk, &vk_size, kp[i].password, kp[i].passwordLen);
+ if (r < 0)
+ break;
+ r = assign_tokens(cd, i, r);
+ if (r < 0)
+ break;
+ } else if (kp[i].password) {
+ r = set_keyslot_params(cd, i);
+ if (r < 0)
+ break;
+ r = crypt_keyslot_add_by_key(cd, CRYPT_ANY_SLOT, vk, key_size,
+ kp[i].password, kp[i].passwordLen, CRYPT_VOLUME_KEY_NO_SEGMENT | CRYPT_VOLUME_KEY_DIGEST_REUSE);
+ tools_keyslot_msg(r, CREATED);
+ if (r < 0)
+ break;
+ kp[i].new = r;
+ r = assign_tokens(cd, i, r);
+ if (r < 0)
+ break;
+ }
}
- if ((r = crypt_init(&cd, action_argv[0])))
- goto out;
+ crypt_safe_free(vk);
- crypt_set_confirm_callback(cd, _yesDialog, NULL);
+ if (r < 0)
+ goto err;
- r = crypt_header_backup(cd, CRYPT_LUKS1, opt_header_backup_file);
-out:
- crypt_free(cd);
+ if (!opt_active_name && !opt_reencrypt_init_only) {
+ r = _get_device_active_name(cd, action_argv[0], dm_name, sizeof(dm_name));
+ if (r > 0)
+ active_name = dm_name;
+ if (r < 0)
+ goto err;
+ } else if (opt_active_name)
+ active_name = opt_active_name;
+
+ if (!active_name && !opt_reencrypt_init_only)
+ log_dbg("Device %s seems unused. Proceeding with offline operation.", action_argv[0]);
+
+ r = crypt_reencrypt_init_by_passphrase(cd, active_name, kp[keyslot_old].password,
+ kp[keyslot_old].passwordLen, keyslot_old, kp[keyslot_old].new,
+ cipher, mode, ¶ms);
+err:
+ for (i = 0; i < kp_size; i++) {
+ crypt_safe_free(kp[i].password);
+ if (r < 0 && kp[i].new >= 0 &&
+ crypt_reencrypt_status(cd, NULL) == CRYPT_REENCRYPT_NONE &&
+ crypt_keyslot_destroy(cd, kp[i].new))
+ log_dbg("Failed to remove keyslot %d with unbound key.", kp[i].new);
+ }
+ free(kp);
return r;
}
-static int action_luksRestore(int arg __attribute__((unused)))
+static int action_reencrypt(void)
{
+ uint32_t flags;
struct crypt_device *cd = NULL;
+ struct crypt_params_integrity ip = { 0 };
int r = 0;
- if (!opt_header_backup_file) {
- log_err(_("Option --header-backup-file is required.\n"));
+ if (action_argc < 1 && (!opt_active_name || opt_encrypt)) {
+ log_err(_("Command requires device as argument."));
return -EINVAL;
}
- if ((r = crypt_init(&cd, action_argv[0])))
- goto out;
+ if (!opt_encrypt || opt_reencrypt_resume_only) {
+ if (opt_active_name) {
+ r = crypt_init_by_name_and_header(&cd, opt_active_name, opt_header_device);
+ if (r || !crypt_get_type(cd) || strcmp(crypt_get_type(cd), CRYPT_LUKS2)) {
+ log_err(_("Device %s is not a valid LUKS device."), opt_active_name);
+ r = -EINVAL;
+ goto out;
+ }
+ } else {
+ if ((r = crypt_init_data_device(&cd, uuid_or_device(opt_header_device ?: action_argv[0]), action_argv[0])))
+ return r;
+
+ if ((r = crypt_load(cd, CRYPT_LUKS, NULL))) {
+ log_err(_("Device %s is not a valid LUKS device."),
+ uuid_or_device(opt_header_device ?: action_argv[0]));
+ goto out;
+ }
+ if (strcmp(crypt_get_type(cd), CRYPT_LUKS2)) {
+ log_err(_("Only LUKS2 format is currently supported. Please use cryptsetup-reencrypt tool for LUKS1."));
+ r = -EINVAL;
+ goto out;
+ }
+ }
+
+ if (crypt_persistent_flags_get(cd, CRYPT_FLAGS_REQUIREMENTS, &flags)) {
+ r = -EINVAL;
+ goto out;
+ }
+
+ if (flags & CRYPT_REQUIREMENT_OFFLINE_REENCRYPT) {
+ log_err(_("Legacy offline reencryption already in-progress. Use cryptsetup-reencrypt utility."));
+ r = -EINVAL;
+ goto out;
+ }
+
+ if (flags & CRYPT_REQUIREMENT_ONLINE_REENCRYPT)
+ r = -EBUSY;
+
+ /* raw integrity info is available since 2.0 */
+ if (crypt_get_integrity_info(cd, &ip) || ip.tag_size) {
+ log_err(_("Reencryption of device with integrity profile is not supported."));
+ r = -ENOTSUP;
+ goto out;
+ }
+ }
+
+ if (r == -EBUSY) {
+ if (opt_reencrypt_init_only)
+ log_err(_("LUKS2 reencryption already initialized. Aborting operation."));
+ else
+ r = action_reencrypt_load(cd);
+ } else if (!r && opt_reencrypt_resume_only) {
+ log_err(_("LUKS2 device is not in reencryption."));
+ r = -EINVAL;
+ } else if (opt_decrypt)
+ r = action_decrypt_luks2(cd);
+ else if (opt_encrypt && !opt_reencrypt_resume_only)
+ r = action_encrypt_luks2(&cd);
+ else
+ r = action_reencrypt_luks2(cd);
- crypt_set_confirm_callback(cd, _yesDialog, NULL);
- r = crypt_header_restore(cd, CRYPT_LUKS1, opt_header_backup_file);
+ if (r >= 0 && !opt_reencrypt_init_only) {
+ set_int_handler(0);
+ r = crypt_reencrypt(cd, tools_reencrypt_progress);
+ }
out:
crypt_free(cd);
+
return r;
}
-static __attribute__ ((noreturn)) void usage(poptContext popt_context,
- int exitcode, const char *error,
- const char *more)
-{
- poptPrintUsage(popt_context, stderr, 0);
- if (error)
- log_err("%s: %s\n", more, error);
- poptFreeContext(popt_context);
- exit(exitcode);
-}
+static struct action_type {
+ const char *type;
+ int (*handler)(void);
+ int required_action_argc;
+ int required_memlock;
+ const char *arg_desc;
+ const char *desc;
+} action_types[] = {
+ { "open", action_open, 1, 1, N_("<device> [--type <type>] [<name>]"),N_("open device as <name>") },
+ { "close", action_close, 1, 1, N_("<name>"), N_("close device (remove mapping)") },
+ { "resize", action_resize, 1, 1, N_("<name>"), N_("resize active device") },
+ { "status", action_status, 1, 0, N_("<name>"), N_("show device status") },
+ { "benchmark", action_benchmark, 0, 0, N_("[--cipher <cipher>]"), N_("benchmark cipher") },
+ { "repair", action_luksRepair, 1, 1, N_("<device>"), N_("try to repair on-disk metadata") },
+ { "reencrypt", action_reencrypt, 0, 0, N_("<device>"), N_("reencrypt LUKS2 device") },
+ { "erase", action_luksErase , 1, 1, N_("<device>"), N_("erase all keyslots (remove encryption key)") },
+ { "convert", action_luksConvert, 1, 1, N_("<device>"), N_("convert LUKS from/to LUKS2 format") },
+ { "config", action_luksConfig, 1, 1, N_("<device>"), N_("set permanent configuration options for LUKS2") },
+ { "luksFormat", action_luksFormat, 1, 1, N_("<device> [<new key file>]"), N_("formats a LUKS device") },
+ { "luksAddKey", action_luksAddKey, 1, 1, N_("<device> [<new key file>]"), N_("add key to LUKS device") },
+ { "luksRemoveKey",action_luksRemoveKey,1, 1, N_("<device> [<key file>]"), N_("removes supplied key or key file from LUKS device") },
+ { "luksChangeKey",action_luksChangeKey,1, 1, N_("<device> [<key file>]"), N_("changes supplied key or key file of LUKS device") },
+ { "luksConvertKey",action_luksConvertKey,1, 1, N_("<device> [<key file>]"), N_("converts a key to new pbkdf parameters") },
+ { "luksKillSlot", action_luksKillSlot, 2, 1, N_("<device> <key slot>"), N_("wipes key with number <key slot> from LUKS device") },
+ { "luksUUID", action_luksUUID, 1, 0, N_("<device>"), N_("print UUID of LUKS device") },
+ { "isLuks", action_isLuks, 1, 0, N_("<device>"), N_("tests <device> for LUKS partition header") },
+ { "luksDump", action_luksDump, 1, 1, N_("<device>"), N_("dump LUKS partition information") },
+ { "tcryptDump", action_tcryptDump, 1, 1, N_("<device>"), N_("dump TCRYPT device information") },
+ { "bitlkDump", action_bitlkDump, 1, 1, N_("<device>"), N_("dump BITLK device information") },
+ { "luksSuspend", action_luksSuspend, 1, 1, N_("<device>"), N_("Suspend LUKS device and wipe key (all IOs are frozen)") },
+ { "luksResume", action_luksResume, 1, 1, N_("<device>"), N_("Resume suspended LUKS device") },
+ { "luksHeaderBackup", action_luksBackup,1,1, N_("<device>"), N_("Backup LUKS device header and keyslots") },
+ { "luksHeaderRestore",action_luksRestore,1,1,N_("<device>"), N_("Restore LUKS device header and keyslots") },
+ { "token", action_token, 2, 0, N_("<add|remove|import|export> <device>"), N_("Manipulate LUKS2 tokens") },
+ {}
+};
static void help(poptContext popt_context,
enum poptCallbackReason reason __attribute__((unused)),
{
if (key->shortName == '?') {
struct action_type *action;
+ const struct crypt_pbkdf_type *pbkdf_luks1, *pbkdf_luks2;
log_std("%s\n",PACKAGE_STRING);
log_std("\t%s %s - %s\n", action->type, _(action->arg_desc), _(action->desc));
log_std(_("\n"
+ "You can also use old <action> syntax aliases:\n"
+ "\topen: create (plainOpen), luksOpen, loopaesOpen, tcryptOpen, bitlkOpen\n"
+ "\tclose: remove (plainClose), luksClose, loopaesClose, tcryptClose, bitlkClose\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 keyfile parameters:\n"
+ log_std(_("\nDefault compiled-in metadata format is %s (for luksFormat action).\n"),
+ crypt_get_default_type());
+
+ pbkdf_luks1 = crypt_get_pbkdf_default(CRYPT_LUKS1);
+ pbkdf_luks2 = crypt_get_pbkdf_default(CRYPT_LUKS2);
+ log_std(_("\nDefault compiled-in key and passphrase parameters:\n"
"\tMaximum keyfile size: %dkB, "
- "Maximum interactive passphrase length %d (characters)\n"),
- DEFAULT_KEYFILE_SIZE_MAXKB, DEFAULT_PASSPHRASE_SIZE_MAX);
+ "Maximum interactive passphrase length %d (characters)\n"
+ "Default PBKDF for LUKS1: %s, iteration time: %d (ms)\n"
+ "Default PBKDF for LUKS2: %s\n"
+ "\tIteration time: %d, Memory required: %dkB, Parallel threads: %d\n"),
+ DEFAULT_KEYFILE_SIZE_MAXKB, DEFAULT_PASSPHRASE_SIZE_MAX,
+ pbkdf_luks1->type, pbkdf_luks1->time_ms,
+ pbkdf_luks2->type, pbkdf_luks2->time_ms, pbkdf_luks2->max_memory_kb,
+ pbkdf_luks2->parallel_threads);
log_std(_("\nDefault compiled-in device cipher parameters:\n"
"\tloop-AES: %s, Key %d bits\n"
"\tplain: %s, Key: %d bits, Password hashing: %s\n"
- "\tLUKS1: %s, Key: %d bits, LUKS header hashing: %s, RNG: %s\n"),
+ "\tLUKS: %s, Key: %d bits, LUKS header hashing: %s, RNG: %s\n"),
DEFAULT_LOOPAES_CIPHER, DEFAULT_LOOPAES_KEYBITS,
DEFAULT_CIPHER(PLAIN), DEFAULT_PLAIN_KEYBITS, DEFAULT_PLAIN_HASH,
DEFAULT_CIPHER(LUKS1), DEFAULT_LUKS1_KEYBITS, DEFAULT_LUKS1_HASH,
DEFAULT_RNG);
+#if defined(ENABLE_LUKS_ADJUST_XTS_KEYSIZE) && DEFAULT_LUKS1_KEYBITS != 512
+ log_std(_("\tLUKS: Default keysize with XTS mode (two internal keys) will be doubled.\n"));
+#endif
+ poptFreeContext(popt_context);
+ exit(EXIT_SUCCESS);
+ } else if (key->shortName == 'V') {
+ log_std("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
+ poptFreeContext(popt_context);
exit(EXIT_SUCCESS);
} else
usage(popt_context, EXIT_SUCCESS, NULL, NULL);
}
-static void _dbg_version_and_cmd(int argc, const char **argv)
+static void help_args(struct action_type *action, poptContext popt_context)
{
- int i;
+ char buf[128];
- log_std("# %s %s processing \"", PACKAGE_NAME, PACKAGE_VERSION);
- for (i = 0; i < argc; i++) {
- if (i)
- log_std(" ");
- log_std("%s", argv[i]);
- }
- log_std("\"\n");
+ snprintf(buf, sizeof(buf), _("%s: requires %s as arguments"), action->type, action->arg_desc);
+ usage(popt_context, EXIT_FAILURE, buf, poptGetInvocationName(popt_context));
}
static int run_action(struct action_type *action)
if (action->required_memlock)
crypt_memory_lock(NULL, 1);
- r = action->handler(action->arg);
+ set_int_handler(0);
+ r = action->handler();
if (action->required_memlock)
crypt_memory_lock(NULL, 0);
/* Some functions returns keyslot # */
if (r > 0)
r = 0;
+ check_signal(&r);
show_status(r);
-
- /* Translate exit code to simple codes */
- switch (r) {
- case 0: r = EXIT_SUCCESS; break;
- case -EEXIST:
- case -EBUSY: r = 5; break;
- case -ENOTBLK:
- case -ENODEV: r = 4; break;
- case -ENOMEM: r = 3; break;
- case -EPERM: r = 2; break;
- case -EINVAL:
- case -ENOENT:
- case -ENOSYS:
- default: r = EXIT_FAILURE;
- }
- return r;
+ return translate_errno(r);
}
int main(int argc, const char **argv)
{ NULL, '\0', POPT_ARG_CALLBACK, help, 0, NULL, NULL },
{ "help", '?', POPT_ARG_NONE, NULL, 0, N_("Show this help message"), NULL },
{ "usage", '\0', POPT_ARG_NONE, NULL, 0, N_("Display brief usage"), NULL },
+ { "version",'V', POPT_ARG_NONE, NULL, 0, N_("Print package version"), NULL },
POPT_TABLEEND
};
static struct poptOption popt_options[] = {
{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, popt_help_options, 0, N_("Help options:"), NULL },
- { "version", '\0', POPT_ARG_NONE, &opt_version_mode, 0, N_("Print package version"), 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 },
+ { "debug-json", '\0', POPT_ARG_NONE, &opt_debug_json, 0, N_("Show debug messages including JSON metadata"), 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 },
+ { "key-file", 'd', POPT_ARG_STRING, &opt_key_file, 6, 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 },
- { "dump-master-key", '\0', POPT_ARG_NONE, &opt_dump_master_key, 0, N_("Dump volume (master) key instead of keyslots info."), NULL },
+ { "dump-master-key", '\0', POPT_ARG_NONE, &opt_dump_master_key, 0, N_("Dump volume (master) key instead of keyslots info"), 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_LONG, &opt_keyfile_size, 0, N_("Limits the read from keyfile"), N_("bytes") },
+ { "keyfile-offset", '\0', POPT_ARG_STRING, &popt_tmp, 4, N_("Number of bytes to skip in keyfile"), N_("bytes") },
{ "new-keyfile-size", '\0', POPT_ARG_LONG, &opt_new_keyfile_size, 0, N_("Limits the read from newly added keyfile"), N_("bytes") },
+ { "new-keyfile-offset",'\0', POPT_ARG_STRING, &popt_tmp, 5, N_("Number of bytes to skip in 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") },
+ { "device-size", '\0', POPT_ARG_STRING, &opt_device_size_str, 0, N_("Use only specified device size (ignore rest of device). DANGEROUS!"), N_("bytes") },
{ "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 },
{ "timeout", 't', POPT_ARG_INT, &opt_timeout, 0, N_("Timeout for interactive passphrase prompt (in seconds)"), N_("secs") },
+ { "progress-frequency",'\0', POPT_ARG_INT, &opt_progress_frequency, 0, N_("Progress line update (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") },
- { "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 },
- { "shared", '\0', POPT_ARG_NONE, &opt_shared, 0, N_("Share device with another non-overlapping crypt segment."), NULL },
- { "uuid", '\0', POPT_ARG_STRING, &opt_uuid, 0, N_("UUID for device to use."), NULL },
- { "allow-discards", '\0', POPT_ARG_NONE, &opt_allow_discards, 0, N_("Allow discards (aka TRIM) requests for device."), NULL },
- { "header", '\0', POPT_ARG_STRING, &opt_header_device, 0, N_("Device or file with separated LUKS header."), 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 },
+ { "shared", '\0', POPT_ARG_NONE, &opt_shared, 0, N_("Share device with another non-overlapping crypt segment"), NULL },
+ { "uuid", '\0', POPT_ARG_STRING, &opt_uuid, 0, N_("UUID for device to use"), NULL },
+ { "allow-discards", '\0', POPT_ARG_NONE, &opt_allow_discards, 0, N_("Allow discards (aka TRIM) requests for device"), NULL },
+ { "header", '\0', POPT_ARG_STRING, &opt_header_device, 0, N_("Device or file with separated LUKS header"), NULL },
+ { "test-passphrase", '\0', POPT_ARG_NONE, &opt_test_passphrase, 0, N_("Do not activate device, just check passphrase"), NULL },
+ { "tcrypt-hidden", '\0', POPT_ARG_NONE, &opt_tcrypt_hidden, 0, N_("Use hidden header (hidden TCRYPT device)"), NULL },
+ { "tcrypt-system", '\0', POPT_ARG_NONE, &opt_tcrypt_system, 0, N_("Device is system TCRYPT drive (with bootloader)"), NULL },
+ { "tcrypt-backup", '\0', POPT_ARG_NONE, &opt_tcrypt_backup, 0, N_("Use backup (secondary) TCRYPT header"), NULL },
+ { "veracrypt", '\0', POPT_ARG_NONE, &opt_veracrypt, 0, N_("Scan also for VeraCrypt compatible device"), NULL },
+ { "veracrypt-pim", '\0', POPT_ARG_INT, &opt_veracrypt_pim, 0, N_("Personal Iteration Multiplier for VeraCrypt compatible device"), NULL },
+ { "veracrypt-query-pim", '\0', POPT_ARG_NONE, &opt_veracrypt_query_pim, 0, N_("Query Personal Iteration Multiplier for VeraCrypt compatible device"), NULL },
+ { "type", 'M', POPT_ARG_STRING, &opt_type, 0, N_("Type of device metadata: luks, luks1, luks2, plain, loopaes, tcrypt, bitlk"), NULL },
+ { "force-password", '\0', POPT_ARG_NONE, &opt_force_password, 0, N_("Disable password quality check (if enabled)"), NULL },
+ { "perf-same_cpu_crypt",'\0', POPT_ARG_NONE, &opt_perf_same_cpu_crypt, 0, N_("Use dm-crypt same_cpu_crypt performance compatibility option"), NULL },
+ { "perf-submit_from_crypt_cpus",'\0', POPT_ARG_NONE, &opt_perf_submit_from_crypt_cpus,0,N_("Use dm-crypt submit_from_crypt_cpus performance compatibility option"), NULL },
+ { "deferred", '\0', POPT_ARG_NONE, &opt_deferred_remove, 0, N_("Device removal is deferred until the last user closes it"), NULL },
+ { "serialize-memory-hard-pbkdf", '\0', POPT_ARG_NONE, &opt_serialize_memory_hard_pbkdf, 0, N_("Use global lock to serialize memory hard PBKDF (OOM workaround)"), NULL },
+ { "iter-time", 'i', POPT_ARG_INT, &opt_iteration_time, 0, N_("PBKDF iteration time for LUKS (in ms)"), N_("msecs") },
+ { "pbkdf", '\0', POPT_ARG_STRING, &opt_pbkdf, 0, N_("PBKDF algorithm (for LUKS2): argon2i, argon2id, pbkdf2"), NULL },
+ { "pbkdf-memory", '\0', POPT_ARG_LONG, &opt_pbkdf_memory, 0, N_("PBKDF memory cost limit"), N_("kilobytes") },
+ { "pbkdf-parallel", '\0', POPT_ARG_LONG, &opt_pbkdf_parallel, 0, N_("PBKDF parallel cost"), N_("threads") },
+ { "pbkdf-force-iterations",'\0',POPT_ARG_LONG, &opt_pbkdf_iterations, 0, N_("PBKDF iterations cost (forced, disables benchmark)"), NULL },
+ { "priority", '\0', POPT_ARG_STRING, &opt_priority, 0, N_("Keyslot priority: ignore, normal, prefer"), NULL },
+ { "disable-locks", '\0', POPT_ARG_NONE, &opt_disable_locks, 0, N_("Disable locking of on-disk metadata"), NULL },
+ { "disable-keyring", '\0', POPT_ARG_NONE, &opt_disable_keyring, 0, N_("Disable loading volume keys via kernel keyring"), NULL },
+ { "integrity", 'I', POPT_ARG_STRING, &opt_integrity, 0, N_("Data integrity algorithm (LUKS2 only)"), NULL },
+ { "integrity-no-journal",'\0',POPT_ARG_NONE, &opt_integrity_nojournal, 0, N_("Disable journal for integrity device"), NULL },
+ { "integrity-no-wipe", '\0', POPT_ARG_NONE, &opt_integrity_no_wipe, 0, N_("Do not wipe device after format"), NULL },
+ { "integrity-legacy-padding",'\0', POPT_ARG_NONE, &opt_integrity_legacy_padding,0, N_("Use inefficient legacy padding (old kernels)"), NULL },
+ { "token-only", '\0', POPT_ARG_NONE, &opt_token_only, 0, N_("Do not ask for passphrase if activation by token fails"), NULL },
+ { "token-id", '\0', POPT_ARG_INT, &opt_token, 0, N_("Token number (default: any)"), NULL },
+ { "key-description", '\0', POPT_ARG_STRING, &opt_key_description, 0, N_("Key description"), NULL },
+ { "sector-size", '\0', POPT_ARG_INT, &opt_sector_size, 0, N_("Encryption sector size (default: 512 bytes)"), NULL },
+ { "iv-large-sectors", '\0', POPT_ARG_NONE, &opt_iv_large_sectors, 0, N_("Use IV counted in sector size (not in 512 bytes)"), NULL },
+ { "persistent", '\0', POPT_ARG_NONE, &opt_persistent, 0, N_("Set activation flags persistent for device"), NULL },
+ { "label", '\0', POPT_ARG_STRING, &opt_label, 0, N_("Set label for the LUKS2 device"), NULL },
+ { "subsystem", '\0', POPT_ARG_STRING, &opt_subsystem, 0, N_("Set subsystem label for the LUKS2 device"), NULL },
+ { "unbound", '\0', POPT_ARG_NONE, &opt_unbound, 0, N_("Create or dump unbound (no assigned data segment) LUKS2 keyslot"), NULL },
+ { "json-file", '\0', POPT_ARG_STRING, &opt_json_file, 0, N_("Read or write the json from or to a file"), NULL },
+ { "luks2-metadata-size",'\0',POPT_ARG_STRING,&opt_luks2_metadata_size_str,0,N_("LUKS2 header metadata area size"), N_("bytes") },
+ { "luks2-keyslots-size",'\0',POPT_ARG_STRING,&opt_luks2_keyslots_size_str,0,N_("LUKS2 header keyslots area size"), N_("bytes") },
+ { "refresh", '\0', POPT_ARG_NONE, &opt_refresh, 0, N_("Refresh (reactivate) device with new parameters"), NULL },
+ { "keyslot-key-size", '\0', POPT_ARG_INT, &opt_keyslot_key_size, 0, N_("LUKS2 keyslot: The size of the encryption key"), N_("BITS") },
+ { "keyslot-cipher", '\0', POPT_ARG_STRING, &opt_keyslot_cipher, 0, N_("LUKS2 keyslot: The cipher used for keyslot encryption"), NULL },
+ { "encrypt", '\0', POPT_ARG_NONE, &opt_encrypt, 0, N_("Encrypt LUKS2 device (in-place encryption)."), NULL },
+ { "decrypt", '\0', POPT_ARG_NONE, &opt_decrypt, 0, N_("Decrypt LUKS2 device (remove encryption)."), NULL },
+ { "init-only", '\0', POPT_ARG_NONE, &opt_reencrypt_init_only, 0, N_("Initialize LUKS2 reencryption in metadata only."), NULL },
+ { "resume-only", '\0', POPT_ARG_NONE, &opt_reencrypt_resume_only, 0, N_("Resume initialized LUKS2 reencryption only."), NULL },
+ { "reduce-device-size",'\0', POPT_ARG_STRING, &opt_reduce_size_str, 0, N_("Reduce data device size (move data offset). DANGEROUS!"), N_("bytes") },
+ { "hotzone-size", '\0', POPT_ARG_STRING, &opt_hotzone_size_str, 0, N_("Maximal reencryption hotzone size."), N_("bytes") },
+ { "resilience", '\0', POPT_ARG_STRING, &opt_resilience_mode, 0, N_("Reencryption hotzone resilience type (checksum,journal,none)"), NULL },
+ { "resilience-hash", '\0', POPT_ARG_STRING, &opt_resilience_hash, 0, N_("Reencryption hotzone checksums hash"), NULL },
+ { "active-name", '\0', POPT_ARG_STRING, &opt_active_name, 0, N_("Override device autodetection of dm device to be reencrypted"), NULL },
POPT_TABLEEND
};
poptContext popt_context;
struct action_type *action;
const char *aname;
- int r;
- const char *null_action_argv[] = {NULL};
+ int r, total_keyfiles = 0;
- crypt_set_log_callback(NULL, _log, NULL);
+ crypt_set_log_callback(NULL, tool_log, NULL);
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
popt_context = poptGetContext(PACKAGE, argc, argv, popt_options, 0);
poptSetOtherOptionHelp(popt_context,
- N_("[OPTION...] <action> <action-specific>]"));
+ _("[OPTION...] <action> <action-specific>"));
while((r = poptGetNextOpt(popt_context)) > 0) {
unsigned long long ull_value;
char *endp;
+ if (r == 6) {
+ const char *kf = poptGetOptArg(popt_context);
+ if (tools_is_stdin(kf))
+ opt_keyfile_stdin = kf;
+ else if (opt_keyfiles_count < MAX_KEYFILES)
+ opt_keyfiles[opt_keyfiles_count++] = kf;
+ total_keyfiles++;
+ continue;
+ }
+
errno = 0;
ull_value = strtoull(popt_tmp, &endp, 0);
- if (*endp || !*popt_tmp ||
+ if (*endp || !*popt_tmp || !isdigit(*popt_tmp) ||
(errno == ERANGE && ull_value == ULLONG_MAX) ||
(errno != 0 && ull_value == 0))
r = POPT_ERROR_BADNUMBER;
opt_skip = ull_value;
opt_skip_valid = 1;
break;
+ case 4:
+ opt_keyfile_offset = ull_value;
+ break;
+ case 5:
+ opt_new_keyfile_offset = ull_value;
+ break;
}
if (r < 0)
if (r < -1)
usage(popt_context, EXIT_FAILURE, poptStrerror(r),
poptBadOption(popt_context, POPT_BADOPTION_NOALIAS));
- if (opt_version_mode) {
- log_std("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
- poptFreeContext(popt_context);
- exit(EXIT_SUCCESS);
- }
if (!(aname = poptGetArg(popt_context)))
usage(popt_context, EXIT_FAILURE, _("Argument <action> missing."),
poptGetInvocationName(popt_context));
- for(action = action_types; action->type; action++)
- if (strcmp(action->type, aname) == 0)
- break;
- if (!action->type)
- usage(popt_context, EXIT_FAILURE, _("Unknown action."),
- poptGetInvocationName(popt_context));
action_argc = 0;
action_argv = poptGetArgs(popt_context);
while(action_argv[action_argc] != NULL)
action_argc++;
- if(action_argc < action->required_action_argc) {
- char buf[128];
- snprintf(buf, 128,_("%s: requires %s as arguments"), action->type, action->arg_desc);
- usage(popt_context, EXIT_FAILURE, buf,
- poptGetInvocationName(popt_context));
+ /* Handle aliases */
+ if (!strcmp(aname, "create")) {
+ /* create command had historically switched arguments */
+ if (action_argv[0] && action_argv[1]) {
+ const char *tmp = action_argv[0];
+ action_argv[0] = action_argv[1];
+ action_argv[1] = tmp;
+ }
+ aname = "open";
+ opt_type = "plain";
+ } else if (!strcmp(aname, "plainOpen")) {
+ aname = "open";
+ opt_type = "plain";
+ } else if (!strcmp(aname, "luksOpen")) {
+ aname = "open";
+ opt_type = "luks";
+ } else if (!strcmp(aname, "loopaesOpen")) {
+ aname = "open";
+ opt_type = "loopaes";
+ } else if (!strcmp(aname, "tcryptOpen")) {
+ aname = "open";
+ opt_type = "tcrypt";
+ } else if (!strcmp(aname, "bitlkOpen")) {
+ aname = "open";
+ opt_type = "bitlk";
+ } else if (!strcmp(aname, "tcryptDump")) {
+ opt_type = "tcrypt";
+ } else if (!strcmp(aname, "bitlkDump")) {
+ opt_type = "bitlk";
+ } else if (!strcmp(aname, "remove") ||
+ !strcmp(aname, "plainClose") ||
+ !strcmp(aname, "luksClose") ||
+ !strcmp(aname, "loopaesClose") ||
+ !strcmp(aname, "tcryptClose") ||
+ !strcmp(aname, "bitlkClose")) {
+ aname = "close";
+ } else if (!strcmp(aname, "luksErase")) {
+ aname = "erase";
+ opt_type = "luks";
+ } else if (!strcmp(aname, "luksConfig")) {
+ aname = "config";
+ opt_type = "luks2";
+ } else if (!strcmp(aname, "refresh")) {
+ aname = "open";
+ opt_refresh = 1;
}
+ /* ignore user supplied type and query device type instead */
+ if (opt_refresh)
+ opt_type = NULL;
+
+ for(action = action_types; action->type; action++)
+ if (strcmp(action->type, aname) == 0)
+ break;
+
+ if (!action->type)
+ usage(popt_context, EXIT_FAILURE, _("Unknown action."),
+ poptGetInvocationName(popt_context));
+
+ if (action_argc < action->required_action_argc)
+ help_args(action, popt_context);
+
/* FIXME: rewrite this from scratch */
- if (opt_shared && strcmp(aname, "create")) {
+ if (opt_refresh && opt_test_passphrase)
usage(popt_context, EXIT_FAILURE,
- _("Option --shared is allowed only for create operation.\n"),
+ _("Options --refresh and --test-passphrase are mutually exclusive."),
poptGetInvocationName(popt_context));
- }
- if (opt_allow_discards &&
- strcmp(aname, "luksOpen") &&
- strcmp(aname, "create") &&
- strcmp(aname, "loopaesOpen")) {
+ if (opt_deferred_remove && strcmp(aname, "close"))
usage(popt_context, EXIT_FAILURE,
- _("Option --allow-discards is allowed only for luksOpen, loopaesOpen and create operation.\n"),
+ _("Option --deferred is allowed only for close command."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_shared && (strcmp(aname, "open") || strcmp_or_null(opt_type, "plain")))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --shared is allowed only for open of plain device."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_allow_discards && strcmp(aname, "open"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --allow-discards is allowed only for open operation."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_persistent && strcmp(aname, "open"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --persistent is allowed only for open operation."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_serialize_memory_hard_pbkdf && strcmp(aname, "open"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --serialize-memory-hard-pbkdf is allowed only for open operation."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_persistent && opt_test_passphrase)
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --persistent is not allowed with --test-passphrase."),
poptGetInvocationName(popt_context));
- }
if (opt_key_size &&
+ strcmp(aname, "reencrypt") &&
strcmp(aname, "luksFormat") &&
- strcmp(aname, "create") &&
- strcmp(aname, "loopaesOpen")) {
+ strcmp(aname, "open") &&
+ strcmp(aname, "benchmark") &&
+ strcmp(aname, "luksAddKey"))
usage(popt_context, EXIT_FAILURE,
- _("Option --key-size is allowed only for luksFormat, create and loopaesOpen.\n"
- "To limit read from keyfile use --keyfile-size=(bytes)."),
+ _("Option --key-size is allowed only for luksFormat, luksAddKey,\n"
+ "open and benchmark actions. To limit read from keyfile use --keyfile-size=(bytes)."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_integrity && strcmp(aname, "luksFormat"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --integrity is allowed only for luksFormat (LUKS2)."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_integrity_no_wipe && !opt_integrity)
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --integrity-no-wipe"
+ " can be used only for format action with integrity extension."),
+ poptGetInvocationName(popt_context));
+
+ if ((opt_label || opt_subsystem) && strcmp(aname, "luksFormat") && strcmp(aname, "config"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Options --label and --subsystem are allowed only for luksFormat and config LUKS2 operations."),
poptGetInvocationName(popt_context));
- }
- if (opt_key_size % 8)
+ if (opt_test_passphrase && (strcmp(aname, "open") || !opt_type ||
+ (strncmp(opt_type, "luks", 4) && strcmp(opt_type, "tcrypt") && strcmp(opt_type, "bitlk"))))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --test-passphrase is allowed only for open of LUKS, TCRYPT and BITLK devices."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_key_size % 8 || opt_keyslot_key_size % 8)
usage(popt_context, EXIT_FAILURE,
_("Key size must be a multiple of 8 bits"),
poptGetInvocationName(popt_context));
if (!strcmp(aname, "luksKillSlot") && action_argc > 1)
opt_key_slot = atoi(action_argv[1]);
- if (opt_key_slot != CRYPT_ANY_SLOT &&
- (opt_key_slot < 0 || opt_key_slot >= crypt_keyslot_max(CRYPT_LUKS1)))
+ if (opt_key_slot != CRYPT_ANY_SLOT && opt_key_slot < 0)
usage(popt_context, EXIT_FAILURE, _("Key slot is invalid."),
poptGetInvocationName(popt_context));
!strcmp(aname, "luksFormat")) &&
action_argc > 1) {
if (opt_key_file)
- log_err(_("Option --key-file takes precedence over specified key file argument.\n"));
+ log_err(_("Option --key-file takes precedence over specified key file argument."));
else
opt_key_file = action_argv[1];
}
- if (opt_keyfile_size < 0 || opt_new_keyfile_size < 0 || opt_key_size < 0) {
+ if (opt_keyfile_size < 0 || opt_new_keyfile_size < 0 || opt_key_size < 0)
usage(popt_context, EXIT_FAILURE,
_("Negative number for option not permitted."),
poptGetInvocationName(popt_context));
- }
+
+ if (total_keyfiles > 1 && (strcmp_or_null(opt_type, "tcrypt")))
+ usage(popt_context, EXIT_FAILURE, _("Only one --key-file argument is allowed."),
+ poptGetInvocationName(popt_context));
if (opt_random && opt_urandom)
usage(popt_context, EXIT_FAILURE, _("Only one of --use-[u]random options is allowed."),
poptGetInvocationName(popt_context));
+
if ((opt_random || opt_urandom) && strcmp(aname, "luksFormat"))
usage(popt_context, EXIT_FAILURE, _("Option --use-[u]random is allowed only for luksFormat."),
poptGetInvocationName(popt_context));
usage(popt_context, EXIT_FAILURE, _("Option --uuid is allowed only for luksFormat and luksUUID."),
poptGetInvocationName(popt_context));
- if (opt_skip && strcmp(aname, "create") && strcmp(aname, "loopaesOpen"))
+ if (opt_align_payload && strcmp(aname, "luksFormat"))
+ usage(popt_context, EXIT_FAILURE, _("Option --align-payload is allowed only for luksFormat."),
+ poptGetInvocationName(popt_context));
+
+ if ((opt_luks2_metadata_size_str || opt_luks2_keyslots_size_str) && strcmp(aname, "luksFormat") && strcmp(aname, "reencrypt"))
+ usage(popt_context, EXIT_FAILURE, _("Options --luks2-metadata-size and --opt-luks2-keyslots-size "
+ "are allowed only for luksFormat with LUKS2."),
+ poptGetInvocationName(popt_context));
+ if (opt_luks2_metadata_size_str &&
+ tools_string_to_size(NULL, opt_luks2_metadata_size_str, &opt_luks2_metadata_size))
+ usage(popt_context, EXIT_FAILURE, _("Invalid LUKS2 metadata size specification."),
+ poptGetInvocationName(popt_context));
+ if (opt_luks2_keyslots_size_str &&
+ tools_string_to_size(NULL, opt_luks2_keyslots_size_str, &opt_luks2_keyslots_size))
+ usage(popt_context, EXIT_FAILURE, _("Invalid LUKS2 keyslots size specification."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_align_payload && opt_offset)
+ usage(popt_context, EXIT_FAILURE, _("Options --align-payload and --offset cannot be combined."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_skip && (strcmp(aname, "open") ||
+ (strcmp_or_null(opt_type, "plain") && strcmp(opt_type, "loopaes"))))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --skip is supported only for open of plain and loopaes devices."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_offset && ((strcmp(aname, "reencrypt") && strcmp(aname, "open") && strcmp(aname, "luksFormat")) ||
+ (!strcmp(aname, "open") && strcmp_or_null(opt_type, "plain") && strcmp(opt_type, "loopaes")) ||
+ (!strcmp(aname, "luksFormat") && opt_type && strncmp(opt_type, "luks", 4))))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --offset is supported only for open of plain and loopaes devices, luksFormat and device reencryption."),
+ poptGetInvocationName(popt_context));
+
+ if ((opt_tcrypt_hidden || opt_tcrypt_system || opt_tcrypt_backup) && strcmp(aname, "tcryptDump") &&
+ (strcmp(aname, "open") || !opt_type || strcmp(opt_type, "tcrypt")))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --tcrypt-hidden, --tcrypt-system or --tcrypt-backup is supported only for TCRYPT device."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_tcrypt_hidden && opt_allow_discards)
usage(popt_context, EXIT_FAILURE,
- _("Option --skip is supported only for create and loopaesOpen commands.\n"),
+ _("Option --tcrypt-hidden cannot be combined with --allow-discards."),
poptGetInvocationName(popt_context));
- if (opt_offset && strcmp(aname, "create") && strcmp(aname, "loopaesOpen"))
+ if (opt_veracrypt && (!opt_type || strcmp(opt_type, "tcrypt")))
usage(popt_context, EXIT_FAILURE,
- _("Option --offset is supported only for create and loopaesOpen commands.\n"),
+ _("Option --veracrypt is supported only for TCRYPT device type."),
poptGetInvocationName(popt_context));
- if (opt_debug) {
+ if (opt_veracrypt_pim != -1) {
+ if (opt_veracrypt_pim < -1) {
+ usage(popt_context, EXIT_FAILURE,
+ _("Invalid argument for parameter --veracrypt-pim supplied."),
+ poptGetInvocationName(popt_context));
+ } else if (!opt_veracrypt) {
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --veracrypt-pim is supported only for VeraCrypt compatible devices."),
+ poptGetInvocationName(popt_context));
+ }
+ }
+
+ if (opt_veracrypt_query_pim) {
+ if (!opt_veracrypt) {
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --veracrypt-query-pim is supported only for VeraCrypt compatible devices."),
+ poptGetInvocationName(popt_context));
+ } else if (opt_veracrypt_pim != -1) {
+ usage(popt_context, EXIT_FAILURE,
+ _("The options --veracrypt-pim and --veracrypt-query-pim are mutually exclusive."),
+ poptGetInvocationName(popt_context));
+ }
+ }
+
+ if (opt_priority && strcmp(opt_priority, "normal") && strcmp(opt_priority, "prefer") && strcmp(opt_priority, "ignore"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --priority can be only ignore/normal/prefer."),
+ poptGetInvocationName(popt_context));
+
+ if (!strcmp(aname, "config") && opt_priority && opt_key_slot == CRYPT_ANY_SLOT)
+ usage(popt_context, EXIT_FAILURE,
+ _("Keyslot specification is required."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_pbkdf && crypt_parse_pbkdf(opt_pbkdf, &opt_pbkdf))
+ usage(popt_context, EXIT_FAILURE,
+ _("Password-based key derivation function (PBKDF) can be only pbkdf2 or argon2i/argon2id."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_pbkdf_iterations && opt_iteration_time)
+ usage(popt_context, EXIT_FAILURE,
+ _("PBKDF forced iterations cannot be combined with iteration time option."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_sector_size && strcmp(aname, "reencrypt") && strcmp(aname, "luksFormat") &&
+ (strcmp(aname, "open") || strcmp_or_null(opt_type, "plain")))
+ usage(popt_context, EXIT_FAILURE,
+ _("Sector size option is not supported for this command."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_sector_size && (opt_sector_size < SECTOR_SIZE || opt_sector_size > MAX_SECTOR_SIZE ||
+ (opt_sector_size & (opt_sector_size - 1))))
+ usage(popt_context, EXIT_FAILURE,
+ _("Unsupported encryption sector size."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_iv_large_sectors && (strcmp(aname, "open") || strcmp_or_null(opt_type, "plain") ||
+ opt_sector_size <= SECTOR_SIZE))
+ usage(popt_context, EXIT_FAILURE,
+ _("Large IV sectors option is supported only for opening plain type device with sector size larger than 512 bytes."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_unbound && !opt_key_size && !strcmp(aname, "luksAddKey"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Key size is required with --unbound option."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_unbound && !strcmp(aname, "luksDump") && opt_key_slot == CRYPT_ANY_SLOT)
+ usage(popt_context, EXIT_FAILURE,
+ _("Keyslot specification is required."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_unbound && strcmp(aname, "luksAddKey") && strcmp(aname, "luksDump"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --unbound may be used only with luksAddKey and luksDump actions."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_refresh && strcmp(aname, "open"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --refresh may be used only with open action."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_debug || opt_debug_json) {
+ opt_debug = 1;
opt_verbose = 1;
- crypt_set_debug_level(-1);
- _dbg_version_and_cmd(argc, argv);
+ crypt_set_debug_level(opt_debug_json? CRYPT_DEBUG_JSON : CRYPT_DEBUG_ALL);
+ dbg_version_and_cmd(argc, argv);
+ }
+
+ if (opt_disable_locks && crypt_metadata_locking(NULL, 0)) {
+ log_std(_("Cannot disable metadata locking."));
+ poptFreeContext(popt_context);
+ exit(EXIT_FAILURE);
}
+ if (opt_disable_keyring)
+ (void) crypt_volume_key_keyring(NULL, 0);
+
+ if (opt_hotzone_size_str &&
+ (tools_string_to_size(NULL, opt_hotzone_size_str, &opt_hotzone_size) || !opt_hotzone_size))
+ usage(popt_context, EXIT_FAILURE, _("Invalid max reencryption hotzone size specification."),
+ poptGetInvocationName(popt_context));
+
+ if (!opt_hotzone_size && opt_resilience_mode && !strcmp(opt_resilience_mode, "none"))
+ opt_hotzone_size = 50 * 1024 * 1024;
+
+ if (opt_reduce_size_str &&
+ tools_string_to_size(NULL, opt_reduce_size_str, &opt_reduce_size))
+ usage(popt_context, EXIT_FAILURE, _("Invalid device size specification."),
+ poptGetInvocationName(popt_context));
+ if (opt_reduce_size > 1024 * 1024 * 1024)
+ usage(popt_context, EXIT_FAILURE, _("Maximum device reduce size is 1 GiB."),
+ poptGetInvocationName(popt_context));
+ if (opt_reduce_size % SECTOR_SIZE)
+ usage(popt_context, EXIT_FAILURE, _("Reduce size must be multiple of 512 bytes sector."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_device_size_str &&
+ tools_string_to_size(NULL, opt_device_size_str, &opt_device_size))
+ usage(popt_context, EXIT_FAILURE, _("Invalid data size specification."),
+ poptGetInvocationName(popt_context));
+
+ opt_data_shift = -(int64_t)opt_reduce_size;
+ if (opt_data_shift > 0)
+ usage(popt_context, EXIT_FAILURE, _("Reduce size overflow."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_decrypt && !opt_header_device)
+ usage(popt_context, EXIT_FAILURE, _("LUKS2 decryption requires option --header."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_device_size % SECTOR_SIZE)
+ usage(popt_context, EXIT_FAILURE, _("Device size must be multiple of 512 bytes sector."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_data_shift && opt_device_size)
+ usage(popt_context, EXIT_FAILURE, _("Options --reduce-device-size and --data-size cannot be combined."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_device_size && opt_size)
+ usage(popt_context, EXIT_FAILURE, _("Options --device-size and --size cannot be combined."),
+ poptGetInvocationName(popt_context));
+
+ if ((opt_keyslot_cipher && !opt_keyslot_key_size) || (!opt_keyslot_cipher && opt_keyslot_key_size))
+ usage(popt_context, EXIT_FAILURE, _("Options --keyslot-cipher and --keyslot-key-size must be used together."),
+ poptGetInvocationName(popt_context));
+
r = run_action(action);
poptFreeContext(popt_context);
return r;
projects / platform / upstream / cryptsetup.git / blobdiff