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-rw-r--r--src/cryptsetup.c2964
1 files changed, 2964 insertions, 0 deletions
diff --git a/src/cryptsetup.c b/src/cryptsetup.c
new file mode 100644
index 0000000..13aa656
--- /dev/null
+++ b/src/cryptsetup.c
@@ -0,0 +1,2964 @@
+/*
+ * cryptsetup - setup cryptographic volumes for dm-crypt
+ *
+ * Copyright (C) 2004 Jana Saout <jana@saout.de>
+ * Copyright (C) 2004-2007 Clemens Fruhwirth <clemens@endorphin.org>
+ * Copyright (C) 2009-2019 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2009-2019 Milan Broz
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * 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
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "cryptsetup.h"
+#include <uuid/uuid.h>
+
+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_version_mode = 0;
+static int opt_timeout = 0;
+static int opt_tries = 3;
+static int opt_align_payload = 0;
+static int opt_random = 0;
+static int opt_urandom = 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;
+//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 const char *opt_key_description = NULL;
+static int opt_sector_size = SECTOR_SIZE;
+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;
+
+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 const char *uuid_or_device_header(const char **data_device)
+{
+ if (data_device)
+ *data_device = opt_header_device ? action_argv[0] : NULL;
+
+ return uuid_or_device(opt_header_device ?: action_argv[0]);
+}
+
+static const char *luksType(const char *type)
+{
+ if (type && !strcmp(type, "luks2"))
+ return CRYPT_LUKS2;
+
+ if (type && !strcmp(type, "luks1"))
+ return CRYPT_LUKS1;
+
+ if (type && !strcmp(type, "luks"))
+ return CRYPT_LUKS; /* NULL */
+
+ if (type && *type)
+ return type;
+
+ return CRYPT_LUKS; /* NULL */
+}
+
+static int _verify_passphrase(int def)
+{
+ /* 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 def;
+}
+
+static void _set_activation_flags(uint32_t *flags)
+{
+ if (opt_readonly)
+ *flags |= CRYPT_ACTIVATE_READONLY;
+
+ 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;
+}
+
+static int _set_keyslot_encryption_params(struct crypt_device *cd)
+{
+ const char *type = crypt_get_type(cd);
+
+ if (!opt_keyslot_key_size && !opt_keyslot_cipher)
+ return 0;
+
+ if (!type || strcmp(type, CRYPT_LUKS2)) {
+ log_err(_("Keyslot encryption parameters can be set only for LUKS2 device."));
+ return -EINVAL;
+ }
+
+ return crypt_keyslot_set_encryption(cd, opt_keyslot_cipher, opt_keyslot_key_size / 8);
+}
+
+static int action_open_plain(void)
+{
+ 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,
+ };
+ char *password = NULL;
+ 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;
+
+ 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."));
+ 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);
+
+ 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,
+ pcipher, pmode,
+ NULL, NULL,
+ key_size,
+ &params);
+ check_signal(&r);
+ if (r < 0)
+ goto out;
+
+ if (opt_shared)
+ activate_flags |= CRYPT_ACTIVATE_SHARED;
+
+ _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, 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_open_loopaes(void)
+{
+ struct crypt_device *cd = NULL;
+ struct crypt_params_loopaes params = {
+ .hash = opt_hash ?: NULL,
+ .offset = opt_offset,
+ .skip = opt_skip_valid ? opt_skip : opt_offset,
+ };
+ 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."));
+ return -EINVAL;
+ }
+
+ 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;
+
+ r = crypt_format(cd, CRYPT_LOOPAES, opt_cipher ?: DEFAULT_LOOPAES_CIPHER,
+ NULL, NULL, NULL, key_size, &params);
+ 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**)&params->passphrase,
+ &params->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_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, &params);
+ 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_memzero(&params.veracrypt_pim, sizeof(params.veracrypt_pim));
+ 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 = tcrypt_load(cd, &params);
+ if (r < 0)
+ goto out;
+
+ 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_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_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(void)
+{
+ 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)
+ 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 (r >= 0)
+ r = crypt_resize(cd, action_argv[0], opt_size);
+out:
+ crypt_free(cd);
+ return r;
+}
+
+static int action_status(void)
+{
+ crypt_status_info ci;
+ struct crypt_active_device cad;
+ struct crypt_params_integrity ip = {};
+ struct crypt_device *cd = NULL;
+ char *backing_file;
+ const char *device;
+ 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) {
+ case CRYPT_INVALID:
+ r = -EINVAL;
+ break;
+ case CRYPT_INACTIVE:
+ 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:
+ 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");
+
+ 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);
+ 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|
+ 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 benchmark_callback(uint32_t time_ms, void *usrptr)
+{
+ struct crypt_pbkdf_type *pbkdf = usrptr;
+ int r = 0;
+
+ 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;
+}
+
+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);
+ }
+
+ return r;
+}
+
+static int benchmark_cipher_loop(const char *cipher, const char *cipher_mode,
+ size_t volume_key_size, size_t iv_size,
+ double *encryption_mbs, double *decryption_mbs)
+{
+ int r, buffer_size = 1024 * 1024;
+
+ do {
+ r = crypt_benchmark(NULL, cipher, cipher_mode,
+ volume_key_size, iv_size, 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;
+ size_t iv_size;
+ } bciphers[] = {
+ { "aes", "cbc", 16, 16 },
+ { "serpent", "cbc", 16, 16 },
+ { "twofish", "cbc", 16, 16 },
+ { "aes", "cbc", 32, 16 },
+ { "serpent", "cbc", 32, 16 },
+ { "twofish", "cbc", 32, 16 },
+ { "aes", "xts", 32, 16 },
+ { "serpent", "xts", 32, 16 },
+ { "twofish", "xts", 32, 16 },
+ { "aes", "xts", 64, 16 },
+ { "serpent", "xts", 64, 16 },
+ { "twofish", "xts", 64, 16 },
+ { NULL, NULL, 0, 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 iv_size = 16, 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';
+
+ /* FIXME: not really clever :) */
+ if (strstr(cipher, "des") ||
+ strstr(cipher, "blowfish") ||
+ strstr(cipher, "cast5"))
+ iv_size = 8;
+
+ if (!strcmp(cipher_mode, "ecb"))
+ iv_size = 0;
+
+ if (!strcmp(cipher_mode, "adiantum"))
+ iv_size = 32;
+
+ r = benchmark_cipher_loop(cipher, cipher_mode,
+ key_size, iv_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 == -ENOENT)
+ log_err(_("Cipher %s is not available."), opt_cipher);
+ } 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, bciphers[i].iv_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;
+ }
+
+ 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 set_pbkdf_params(struct crypt_device *cd, const char *dev_type)
+{
+ 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 = opt_pbkdf_memory ?: pbkdf_default->max_memory_kb;
+ pbkdf.parallel_threads = opt_pbkdf_parallel ?: pbkdf_default->parallel_threads;
+ }
+
+ if (opt_pbkdf_iterations) {
+ pbkdf.iterations = opt_pbkdf_iterations;
+ pbkdf.flags |= CRYPT_PBKDF_NO_BENCHMARK;
+ }
+
+ return crypt_set_pbkdf_type(cd, &pbkdf);
+}
+
+static int action_luksRepair(void)
+{
+ struct crypt_device *cd = NULL;
+ int r;
+
+ if ((r = crypt_init(&cd, 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 out;
+ }
+
+ 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);
+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 action_luksFormat(void)
+{
+ 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 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,
+ .label = opt_label,
+ .subsystem = opt_subsystem
+ };
+ void *params;
+
+ type = luksType(opt_type);
+ if (!type)
+ type = crypt_get_default_type();
+
+ if (!strcmp(type, CRYPT_LUKS2)) {
+ params = &params2;
+ } else if (!strcmp(type, CRYPT_LUKS1)) {
+ params = &params1;
+
+ 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;
+ }
+
+ 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."));
+ 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."), 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;
+ }
+
+ /* 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;
+ }
+
+#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 = 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 = tools_read_mk(opt_master_key_file, &key, keysize);
+ if (r < 0)
+ goto out;
+ }
+
+ 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;
+
+ 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)
+ r = _wipe_data_device(cd);
+out:
+ crypt_free(cd);
+ crypt_safe_free(key);
+ crypt_safe_free(password);
+
+ return r;
+}
+
+static int action_open_luks(void)
+{
+ struct crypt_active_device cad;
+ struct crypt_device *cd = NULL;
+ 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_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 = uuid_or_device_header(&data_device);
+
+ activated_name = opt_test_passphrase ? NULL : action_argv[1];
+
+ if ((r = crypt_init_data_device(&cd, header_device, 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."));
+ r = -EINVAL;
+ goto out;
+ }
+ }
+
+ _set_activation_flags(&activate_flags);
+
+ if (opt_master_key_file) {
+ keysize = crypt_get_volume_key_size(cd);
+ 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;
+
+ 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, crypt_keyslot_info ki,
+ char *msg_last, char *msg_pass, char *msg_fail,
+ const char *key_file, uint64_t keyfile_offset,
+ int keyfile_size)
+{
+ char *password = NULL;
+ size_t passwordLen;
+ int i, max, r;
+
+ if (ki == CRYPT_SLOT_ACTIVE_LAST && !opt_batch_mode && !key_file &&
+ msg_last && !yesDialog(msg_last, msg_fail))
+ return -EPERM;
+
+ 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) {
+ /* check the last keyslot */
+ r = crypt_activate_by_passphrase(cd, NULL, key_slot,
+ password, passwordLen, 0);
+ } else {
+ /* try all other keyslots */
+ 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, 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;
+ }
+ }
+
+ /* 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(void)
+{
+ struct crypt_device *cd = NULL;
+ crypt_keyslot_info ki;
+ int 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;
+ }
+
+ ki = crypt_keyslot_status(cd, opt_key_slot);
+ switch (ki) {
+ case CRYPT_SLOT_ACTIVE_LAST:
+ case CRYPT_SLOT_ACTIVE:
+ case CRYPT_SLOT_UNBOUND:
+ log_verbose(_("Keyslot %d is selected for deletion."), opt_key_slot);
+ break;
+ case CRYPT_SLOT_INACTIVE:
+ log_err(_("Keyslot %d is not active."), opt_key_slot);
+ /* fall through */
+ case CRYPT_SLOT_INVALID:
+ r = -EINVAL;
+ goto out;
+ }
+
+ 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 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(void)
+{
+ struct crypt_device *cd = NULL;
+ char *password = NULL;
+ size_t passwordLen;
+ int 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;
+ }
+
+ r = tools_get_key(_("Enter passphrase to be deleted: "),
+ &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, 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."), opt_key_slot);
+
+ if (crypt_keyslot_status(cd, opt_key_slot) == CRYPT_SLOT_ACTIVE_LAST &&
+ !yesDialog(_("This is the last keyslot. "
+ "Device will become unusable after purging this key."),
+ _("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 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, uuid_or_device_header(NULL))))
+ goto out;
+
+ crypt_set_confirm_callback(cd, yesDialog, 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;
+ }
+
+ 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 = tools_read_mk(opt_master_key_file, &key, keysize);
+ if (r < 0)
+ goto out;
+
+ 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_key(cd, opt_key_slot, key, keysize,
+ password_new, password_new_size, CRYPT_VOLUME_KEY_NO_SEGMENT);
+ tools_keyslot_msg(r, CREATED);
+out:
+ crypt_safe_free(password_new);
+ crypt_safe_free(key);
+ crypt_free(cd);
+ return r;
+}
+
+static int action_luksAddKey(void)
+{
+ 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;
+
+ /* 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) {
+ 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(void)
+{
+ const char *opt_new_key_file = (action_argc > 1 ? action_argv[1] : NULL);
+ struct crypt_device *cd = NULL;
+ char *password = NULL, *password_new = NULL;
+ size_t password_size = 0, password_new_size = 0;
+ 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;
+ }
+
+ 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;
+
+ 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 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;
+
+ /* 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);
+ 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 (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)
+ 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(password);
+ crypt_free(cd);
+ return r;
+}
+
+static int action_isLuks(void)
+{
+ struct crypt_device *cd = NULL;
+ int r;
+
+ /* 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;
+
+ 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(void)
+{
+ struct crypt_device *cd = NULL;
+ const char *existing_uuid = NULL;
+ int r;
+
+ if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
+ goto out;
+
+ crypt_set_confirm_callback(cd, yesDialog, _("Operation aborted.\n"));
+
+ if ((r = crypt_load(cd, luksType(opt_type), NULL)))
+ goto out;
+
+ if (opt_uuid)
+ r = crypt_set_uuid(cd, opt_uuid);
+ else {
+ existing_uuid = crypt_get_uuid(cd);
+ log_std("%s\n", existing_uuid ?: "");
+ r = existing_uuid ? 0 : 1;
+ }
+out:
+ crypt_free(cd);
+ return r;
+}
+
+static int luksDump_with_volume_key(struct crypt_device *cd)
+{
+ char *vk = NULL, *password = NULL;
+ size_t passwordLen = 0;
+ 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 = 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("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("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++) {
+ if (i && !(i % 16))
+ log_std("\n\t\t");
+ log_std("%02hhx ", (char)vk[i]);
+ }
+ log_std("\n");
+
+out:
+ crypt_safe_free(password);
+ crypt_safe_free(vk);
+ 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
+ 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();
+ }
+
+ 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, &params);
+ 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 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 mapping <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") },
+ { "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") },
+ { "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)),
+ struct poptOption *key,
+ const char *arg __attribute__((unused)),
+ void *data __attribute__((unused)))
+{
+ if (key->shortName == '?') {
+ struct action_type *action;
+ const struct crypt_pbkdf_type *pbkdf_luks1, *pbkdf_luks2;
+
+ log_std("%s\n",PACKAGE_STRING);
+
+ poptPrintHelp(popt_context, stdout, 0);
+
+ log_std(_("\n"
+ "<action> is one of:\n"));
+
+ for(action = action_types; action->type; action++)
+ 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\n"
+ "\tclose: remove (plainClose), luksClose, loopaesClose, tcryptClose\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 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 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"
+ "\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
+ exit(EXIT_SUCCESS);
+ } else
+ usage(popt_context, EXIT_SUCCESS, NULL, NULL);
+}
+
+static void help_args(struct action_type *action, poptContext popt_context)
+{
+ char buf[128];
+
+ 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)
+{
+ int r;
+
+ log_dbg("Running command %s.", action->type);
+
+ if (action->required_memlock)
+ crypt_memory_lock(NULL, 1);
+
+ 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);
+ return translate_errno(r);
+}
+
+static int strcmp_or_null(const char *str, const char *expected)
+{
+ return !str ? 0 : strcmp(str, expected);
+}
+
+int main(int argc, const char **argv)
+{
+ static char *popt_tmp;
+ static struct poptOption popt_help_options[] = {
+ { 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 },
+ 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, 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 },
+ { "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") },
+ { "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 },
+ { "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 },
+ { "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, plain, loopaes, tcrypt"), 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 },
+ { "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 },
+ { "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 },
+ { "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 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 },
+ POPT_TABLEEND
+ };
+ poptContext popt_context;
+ struct action_type *action;
+ const char *aname;
+ int r, total_keyfiles = 0;
+
+ crypt_set_log_callback(NULL, tool_log, NULL);
+
+ setlocale(LC_ALL, "");
+ bindtextdomain(PACKAGE, LOCALEDIR);
+ textdomain(PACKAGE);
+
+ popt_context = poptGetContext(PACKAGE, argc, argv, popt_options, 0);
+ poptSetOtherOptionHelp(popt_context,
+ _("[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 || !isdigit(*popt_tmp) ||
+ (errno == ERANGE && ull_value == ULLONG_MAX) ||
+ (errno != 0 && ull_value == 0))
+ r = POPT_ERROR_BADNUMBER;
+
+ switch(r) {
+ case 1:
+ opt_size = ull_value;
+ break;
+ case 2:
+ opt_offset = ull_value;
+ break;
+ case 3:
+ 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)
+ break;
+ }
+
+ 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));
+
+ action_argc = 0;
+ action_argv = poptGetArgs(popt_context);
+ /* Make return values of poptGetArgs more consistent in case of remaining argc = 0 */
+ if(!action_argv)
+ action_argv = null_action_argv;
+
+ /* Count args, somewhat unnice, change? */
+ while(action_argv[action_argc] != NULL)
+ action_argc++;
+
+ /* 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, "tcryptDump")) {
+ opt_type = "tcrypt";
+ } else if (!strcmp(aname, "remove") ||
+ !strcmp(aname, "plainClose") ||
+ !strcmp(aname, "luksClose") ||
+ !strcmp(aname, "loopaesClose") ||
+ !strcmp(aname, "tcryptClose")) {
+ 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_refresh && strcmp(aname, "open"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Parameter --refresh is only allowed with open or refresh commands.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_refresh && opt_test_passphrase)
+ usage(popt_context, EXIT_FAILURE,
+ _("Options --refresh and --test-passphrase are mutually exclusive.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_deferred_remove && strcmp(aname, "close"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --deferred is allowed only for close command.\n"),
+ 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.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_allow_discards && strcmp(aname, "open"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --allow-discards is allowed only for open operation.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_persistent && strcmp(aname, "open"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --persistent is allowed only for open operation.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_persistent && opt_test_passphrase)
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --persistent is not allowed with --test-passphrase.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_key_size &&
+ strcmp(aname, "luksFormat") &&
+ strcmp(aname, "open") &&
+ strcmp(aname, "benchmark") &&
+ (strcmp(aname, "luksAddKey") || !opt_unbound))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --key-size is allowed only for luksFormat, luksAddKey (with --unbound),\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).\n"),
+ 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.\n"),
+ 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.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_test_passphrase && (strcmp(aname, "open") || !opt_type ||
+ (strncmp(opt_type, "luks", 4) && strcmp(opt_type, "tcrypt"))))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --test-passphrase is allowed only for open of LUKS and TCRYPT devices.\n"),
+ 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)
+ usage(popt_context, EXIT_FAILURE, _("Key slot is invalid."),
+ poptGetInvocationName(popt_context));
+
+ if ((!strcmp(aname, "luksRemoveKey") ||
+ !strcmp(aname, "luksFormat")) &&
+ action_argc > 1) {
+ if (opt_key_file)
+ 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)
+ 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));
+
+ if (opt_uuid && strcmp(aname, "luksFormat") && strcmp(aname, "luksUUID"))
+ usage(popt_context, EXIT_FAILURE, _("Option --uuid is allowed only for luksFormat and luksUUID."),
+ poptGetInvocationName(popt_context));
+
+ 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"))
+ 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.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_offset && ((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 and for luksFormat.\n"),
+ 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.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_tcrypt_hidden && opt_allow_discards)
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --tcrypt-hidden cannot be combined with --allow-discards.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_veracrypt && (!opt_type || strcmp(opt_type, "tcrypt")))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --veracrypt is supported only for TCRYPT device type.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_veracrypt_pim != -1) {
+ if (opt_veracrypt_pim < -1) {
+ usage(popt_context, EXIT_FAILURE,
+ _("Invalid argument for parameter --veracrypt-pim supplied.\n"),
+ poptGetInvocationName(popt_context));
+ } else if (!opt_veracrypt) {
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --veracrypt-pim is supported only for VeraCrypt compatible devices.\n"),
+ 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.\n"),
+ 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.\n"),
+ 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.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (!strcmp(aname, "config") && opt_priority && opt_key_slot == CRYPT_ANY_SLOT)
+ usage(popt_context, EXIT_FAILURE,
+ _("Keyslot specification is required.\n"),
+ 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.\n"),
+ 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.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_sector_size != SECTOR_SIZE && 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.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (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.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_unbound && !opt_key_size)
+ usage(popt_context, EXIT_FAILURE,
+ _("Key size is required with --unbound option.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_unbound && strcmp(aname, "luksAddKey"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --unbound may be used only with luksAddKey action.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_refresh && strcmp(aname, "open"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --refresh may be used only with open action.\n"),
+ poptGetInvocationName(popt_context));
+
+ if (opt_debug || opt_debug_json) {
+ opt_debug = 1;
+ opt_verbose = 1;
+ 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.\n"));
+ poptFreeContext(popt_context);
+ exit(EXIT_FAILURE);
+ }
+
+ if (opt_disable_keyring)
+ (void) crypt_volume_key_keyring(NULL, 0);
+
+ r = run_action(action);
+ poptFreeContext(popt_context);
+ return r;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 22:25:06 +0000