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3af754b5eb0353a8585e94e1593238563e436f3c
cryptsetup/src/cryptsetup.c
Ondrej Kozina 3af754b5eb Use proper function parameter in token pin helper.
2022-03-14 17:33:41 +01:00

3291 lines
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/*
* 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) 2009-2022 Red Hat, Inc. All rights reserved.
* Copyright (C) 2009-2022 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 <uuid/uuid.h>
#include "cryptsetup.h"
#include "cryptsetup_args.h"
#include "utils_luks.h"
static char *keyfiles[MAX_KEYFILES];
static char *keyfile_stdin = NULL;
static int keyfiles_count = 0;
int64_t data_shift = 0;
const char *device_type = "luks";
const char *set_pbkdf = NULL;
static const char **action_argv;
static int action_argc;
static const char *null_action_argv[] = {NULL, NULL};
static int total_keyfiles = 0;
static struct tools_log_params log_parms;
struct tools_arg tool_core_args[] = { { NULL, false, CRYPT_ARG_BOOL }, /* leave unused due to popt library */
#define ARG(A, B, C, D, E, F, G, H) { A, false, F, G, H },
#include "cryptsetup_arg_list.h"
#undef ARG
};
void tools_cleanup(void)
{
tools_args_free(tool_core_args, ARRAY_SIZE(tool_core_args));
FREE_AND_NULL(keyfile_stdin);
while (keyfiles_count)
free(keyfiles[--keyfiles_count]);
total_keyfiles = 0;
}
static const char *uuid_or_device_header(const char **data_device)
{
if (data_device)
*data_device = ARG_SET(OPT_HEADER_ID) ? action_argv[0] : NULL;
return uuid_or_device(ARG_STR(OPT_HEADER_ID) ?: action_argv[0]);
}
static bool isLUKS(const char *type)
{
return isLUKS2(type) || isLUKS1(type);
}
static int _set_keyslot_encryption_params(struct crypt_device *cd)
{
const char *type = crypt_get_type(cd);
if (!ARG_SET(OPT_KEYSLOT_KEY_SIZE_ID) && !ARG_SET(OPT_KEYSLOT_CIPHER_ID))
return 0;
if (!isLUKS2(type)) {
log_err(_("Keyslot encryption parameters can be set only for LUKS2 device."));
return -EINVAL;
}
return crypt_keyslot_set_encryption(cd, ARG_STR(OPT_KEYSLOT_CIPHER_ID), ARG_UINT32(OPT_KEYSLOT_KEY_SIZE_ID) / 8);
}
static int _try_token_pin_unlock(struct crypt_device *cd,
int token_id,
const char *activated_name,
const char *token_type,
uint32_t activate_flags,
int tries,
bool activation)
{
size_t pin_len;
char msg[64], *pin = NULL;
int r;
assert(tries >= 1);
assert(token_id >= 0 || token_id == CRYPT_ANY_TOKEN);
if (token_id == CRYPT_ANY_TOKEN)
r = snprintf(msg, sizeof(msg), _("Enter token PIN:"));
else
r = snprintf(msg, sizeof(msg), _("Enter token %d PIN:"), token_id);
if (r < 0 || (size_t)r >= sizeof(msg))
return -EINVAL;
do {
r = tools_get_key(msg, &pin, &pin_len, 0, 0, NULL,
ARG_UINT32(OPT_TIMEOUT_ID), verify_passphrase(0), 0, cd);
if (r < 0)
break;
if (activation)
r = crypt_activate_by_token_pin(cd, activated_name, token_type,
token_id, pin, pin_len, NULL,
activate_flags);
else
r = crypt_resume_by_token_pin(cd, activated_name, token_type,
token_id, pin, pin_len, NULL);
crypt_safe_free(pin);
pin = NULL;
tools_keyslot_msg(r, UNLOCKED);
tools_token_error_msg(r, ARG_STR(OPT_TOKEN_TYPE_ID), token_id, true);
check_signal(&r);
} while (r == -ENOANO && (--tries > 0));
return r;
}
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 = ARG_SET(OPT_HASH_ID) ? ARG_STR(OPT_HASH_ID) : DEFAULT_PLAIN_HASH,
.skip = ARG_UINT64(OPT_SKIP_ID),
.offset = ARG_UINT64(OPT_OFFSET_ID),
.sector_size = ARG_UINT32(OPT_SECTOR_SIZE_ID) ?: SECTOR_SIZE
};
char *password = NULL;
const char *activated_name = NULL;
size_t passwordLen, key_size_max, signatures = 0,
key_size = (ARG_UINT32(OPT_KEY_SIZE_ID) ?: DEFAULT_PLAIN_KEYBITS) / 8;
uint32_t activate_flags = 0;
int r;
r = crypt_parse_name_and_mode(ARG_STR(OPT_CIPHER_ID) ?: 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 (ARG_SET(OPT_KEY_FILE_ID) && !tools_is_stdin(ARG_STR(OPT_KEY_FILE_ID))) {
params.hash = NULL;
if (!ARG_SET(OPT_BATCH_MODE_ID) && ARG_SET(OPT_HASH_ID))
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 (!ARG_SET(OPT_BATCH_MODE_ID) && !params.hash && ARG_SET(OPT_KEY_FILE_ID) && !tools_is_stdin(ARG_STR(OPT_KEY_FILE_ID)) && ARG_SET(OPT_KEYFILE_SIZE_ID))
log_std(_("WARNING: The --keyfile-size option is being ignored, "
"the read size is the same as the encryption key size.\n"));
if (ARG_SET(OPT_REFRESH_ID)) {
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 (!ARG_UINT64(OPT_OFFSET_ID)) {
/* Print all present signatures in read-only mode */
r = tools_detect_signatures(action_argv[0], 0, &signatures, ARG_SET(OPT_BATCH_MODE_ID));
if (r < 0)
goto out;
}
if (signatures && !ARG_SET(OPT_BATCH_MODE_ID)) {
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;
}
if (ARG_SET(OPT_DEVICE_SIZE_ID))
params.size = ARG_UINT64(OPT_DEVICE_SIZE_ID) / SECTOR_SIZE;
else if (ARG_SET(OPT_SIZE_ID))
params.size = ARG_UINT64(OPT_SIZE_ID);
r = crypt_format(cd, CRYPT_PLAIN,
pcipher, pmode,
NULL, NULL,
key_size,
&params);
check_signal(&r);
if (r < 0)
goto out;
if (ARG_SET(OPT_SHARED_ID))
activate_flags |= CRYPT_ACTIVATE_SHARED;
set_activation_flags(&activate_flags);
if (!tools_is_stdin(ARG_STR(OPT_KEY_FILE_ID))) {
/* If no hash, key is read directly, read size is always key_size
* (possible --keyfile_size is ignored.
* If hash is specified, --keyfile_size is applied.
* The --keyfile_offset is applied always.
*/
key_size_max = params.hash ? ARG_UINT32(OPT_KEYFILE_SIZE_ID) : key_size;
r = crypt_activate_by_keyfile_device_offset(cd, action_argv[1],
CRYPT_ANY_SLOT, ARG_STR(OPT_KEY_FILE_ID), key_size_max,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), activate_flags);
} else {
key_size_max = (ARG_SET(OPT_KEY_FILE_ID) && !params.hash) ? key_size : ARG_UINT32(OPT_KEYFILE_SIZE_ID);
r = tools_get_key(NULL, &password, &passwordLen,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), key_size_max,
ARG_STR(OPT_KEY_FILE_ID), ARG_UINT32(OPT_TIMEOUT_ID),
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 = ARG_STR(OPT_HASH_ID),
.offset = ARG_UINT64(OPT_OFFSET_ID),
.skip = ARG_SET(OPT_SKIP_ID) ? ARG_UINT64(OPT_SKIP_ID) : ARG_UINT64(OPT_OFFSET_ID)
};
unsigned int key_size = (ARG_UINT32(OPT_KEY_SIZE_ID) ?: DEFAULT_LOOPAES_KEYBITS) / 8;
uint32_t activate_flags = 0;
const char *activated_name = NULL;
int r;
if (!ARG_SET(OPT_KEY_FILE_ID)) {
log_err(_("Option --key-file is required."));
return -EINVAL;
}
if (ARG_SET(OPT_REFRESH_ID)) {
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, ARG_STR(OPT_CIPHER_ID) ?: 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(ARG_STR(OPT_KEY_FILE_ID)) ? "/dev/stdin" : ARG_STR(OPT_KEY_FILE_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID),
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), activate_flags);
out:
crypt_free(cd);
return r;
}
static int tcrypt_load(struct crypt_device *cd, struct crypt_params_tcrypt *params)
{
int r, tries, eperm = 0;
tries = set_tries_tty();
do {
/* TCRYPT header is encrypted, get passphrase now */
r = tools_get_key(NULL, CONST_CAST(char**)&params->passphrase,
&params->passphrase_size, 0, 0, keyfile_stdin, ARG_UINT32(OPT_TIMEOUT_ID),
verify_passphrase(0), 0, cd);
if (r < 0)
continue;
if (ARG_SET(OPT_VERACRYPT_QUERY_PIM_ID)) {
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: "),
&tmp_pim_nptr,
&tmp_pim_size, 0, 0, keyfile_stdin, ARG_UINT32(OPT_TIMEOUT_ID),
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(tmp_pim_nptr);
if (r < 0)
continue;
params->veracrypt_pim = (uint32_t)tmp_pim_ull;
crypt_safe_memzero(&tmp_pim_ull, sizeof(tmp_pim_ull));
}
if (ARG_SET(OPT_TCRYPT_HIDDEN_ID))
params->flags |= CRYPT_TCRYPT_HIDDEN_HEADER;
if (ARG_SET(OPT_TCRYPT_SYSTEM_ID))
params->flags |= CRYPT_TCRYPT_SYSTEM_HEADER;
if (ARG_SET(OPT_TCRYPT_BACKUP_ID))
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 = CONST_CAST(const char **)keyfiles,
.keyfiles_count = keyfiles_count,
.flags = CRYPT_TCRYPT_LEGACY_MODES |
(ARG_SET(OPT_DISABLE_VERACRYPT_ID) ? 0 : CRYPT_TCRYPT_VERA_MODES),
.veracrypt_pim = ARG_UINT32(OPT_VERACRYPT_PIM_ID),
.hash_name = ARG_STR(OPT_HASH_ID),
.cipher = ARG_STR(OPT_CIPHER_ID),
};
const char *activated_name;
uint32_t activate_flags = 0;
int r;
activated_name = ARG_SET(OPT_TEST_PASSPHRASE_ID) ? NULL : action_argv[1];
r = crypt_init_data_device(&cd, ARG_STR(OPT_HEADER_ID) ?: action_argv[0], action_argv[0]);
if (r < 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_safe_memzero(&params.veracrypt_pim, sizeof(params.veracrypt_pim));
return r;
}
static int action_open_bitlk(void)
{
struct crypt_device *cd = NULL;
const char *activated_name;
uint32_t activate_flags = 0;
int r, tries, keysize;
char *password = NULL;
char *key = NULL;
size_t passwordLen;
activated_name = ARG_SET(OPT_TEST_PASSPHRASE_ID) ? NULL : action_argv[1];
if ((r = crypt_init(&cd, action_argv[0])))
goto out;
r = crypt_load(cd, CRYPT_BITLK, NULL);
if (r < 0) {
log_err(_("Device %s is not a valid BITLK device."), action_argv[0]);
goto out;
}
set_activation_flags(&activate_flags);
if (ARG_SET(OPT_MASTER_KEY_FILE_ID)) {
keysize = crypt_get_volume_key_size(cd);
if (!keysize && !ARG_SET(OPT_KEY_SIZE_ID)) {
log_err(_("Cannot determine volume key size for BITLK, please use --key-size option."));
r = -EINVAL;
goto out;
} else if (!keysize)
keysize = ARG_UINT32(OPT_KEY_SIZE_ID) / 8;
r = tools_read_mk(ARG_STR(OPT_MASTER_KEY_FILE_ID), &key, keysize);
if (r < 0)
goto out;
r = crypt_activate_by_volume_key(cd, activated_name,
key, keysize, activate_flags);
} else {
tries = set_tries_tty();
do {
r = tools_get_key(NULL, &password, &passwordLen,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID),
ARG_UINT32(OPT_TIMEOUT_ID), verify_passphrase(0), 0, cd);
if (r < 0)
goto out;
r = crypt_activate_by_passphrase(cd, activated_name, CRYPT_ANY_SLOT,
password, passwordLen, activate_flags);
tools_passphrase_msg(r);
check_signal(&r);
crypt_safe_free(password);
password = NULL;
} while ((r == -EPERM || r == -ERANGE) && (--tries > 0));
}
out:
crypt_safe_free(password);
crypt_safe_free(key);
crypt_free(cd);
return r;
}
static int tcryptDump_with_volume_key(struct crypt_device *cd)
{
char *vk = NULL;
size_t vk_size;
unsigned i;
int r;
if (!ARG_SET(OPT_BATCH_MODE_ID) && !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 = CONST_CAST(const char **)keyfiles,
.keyfiles_count = keyfiles_count,
.flags = CRYPT_TCRYPT_LEGACY_MODES |
(ARG_SET(OPT_DISABLE_VERACRYPT_ID) ? 0: CRYPT_TCRYPT_VERA_MODES),
.veracrypt_pim = ARG_UINT32(OPT_VERACRYPT_PIM_ID),
.hash_name = ARG_STR(OPT_HASH_ID),
.cipher = ARG_STR(OPT_CIPHER_ID),
};
int r;
r = crypt_init_data_device(&cd, ARG_STR(OPT_HEADER_ID) ?: action_argv[0], action_argv[0]);
if (r < 0)
goto out;
r = tcrypt_load(cd, &params);
if (r < 0)
goto out;
if (ARG_SET(OPT_DUMP_MASTER_KEY_ID))
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 bitlkDump_with_volume_key(struct crypt_device *cd)
{
char *vk = NULL, *password = NULL;
size_t passwordLen = 0;
size_t vk_size;
unsigned i;
int r;
if (!yesDialog(
_("The header dump with volume key is sensitive information\n"
"that allows access to encrypted partition without a passphrase.\n"
"This dump should be stored encrypted in a safe place."),
NULL))
return -EPERM;
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,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID),
ARG_UINT32(OPT_TIMEOUT_ID), 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 (ARG_SET(OPT_MASTER_KEY_FILE_ID)) {
r = tools_write_mk(ARG_STR(OPT_MASTER_KEY_FILE_ID), vk, vk_size);
if (r < 0)
goto out;
}
log_std("BITLK 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("UUID: \t%s\n", crypt_get_uuid(cd));
log_std("MK bits: \t%d\n", (int)vk_size * 8);
if (ARG_SET(OPT_MASTER_KEY_FILE_ID)) {
log_std("Key stored to file %s.\n", ARG_STR(OPT_MASTER_KEY_FILE_ID));
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_bitlkDump(void)
{
struct crypt_device *cd = NULL;
int r;
if ((r = crypt_init(&cd, action_argv[0])))
goto out;
r = crypt_load(cd, CRYPT_BITLK, NULL);
if (r < 0)
goto out;
if (ARG_SET(OPT_DUMP_MASTER_KEY_ID))
r = bitlkDump_with_volume_key(cd);
else
r = crypt_dump(cd);
out:
crypt_free(cd);
return r;
}
static int action_close(void)
{
struct crypt_device *cd = NULL;
crypt_status_info ci;
uint32_t flags = 0;
int r;
if (ARG_SET(OPT_DEFERRED_ID))
flags |= CRYPT_DEACTIVATE_DEFERRED;
if (ARG_SET(OPT_CANCEL_DEFERRED_ID))
flags |= CRYPT_DEACTIVATE_DEFERRED_CANCEL;
r = crypt_init_by_name(&cd, action_argv[0]);
if (r == 0)
r = crypt_deactivate_by_name(cd, action_argv[0], flags);
if (!r && ARG_SET(OPT_DEFERRED_ID)) {
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;
uint64_t dev_size = 0;
char *password = NULL;
struct crypt_device *cd = NULL;
r = crypt_init_by_name_and_header(&cd, action_argv[0], ARG_STR(OPT_HEADER_ID));
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 (ARG_SET(OPT_DEVICE_SIZE_ID))
dev_size = ARG_UINT64(OPT_DEVICE_SIZE_ID) / SECTOR_SIZE;
else if (ARG_SET(OPT_SIZE_ID))
dev_size = ARG_UINT64(OPT_SIZE_ID);
if (cad.flags & CRYPT_ACTIVATE_KEYRING_KEY) {
if (ARG_SET(OPT_DISABLE_KEYRING_ID)) {
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_pin(cd, NULL, ARG_STR(OPT_TOKEN_TYPE_ID),
ARG_INT32(OPT_TOKEN_ID_ID), NULL, 0, NULL,
CRYPT_ACTIVATE_KEYRING_KEY);
tools_keyslot_msg(r, UNLOCKED);
tools_token_error_msg(r, ARG_STR(OPT_TOKEN_TYPE_ID), ARG_INT32(OPT_TOKEN_ID_ID), false);
/* Token requires PIN, but ask only if there is no password query later */
if (ARG_SET(OPT_TOKEN_ONLY_ID) && r == -ENOANO)
r = _try_token_pin_unlock(cd, ARG_INT32(OPT_TOKEN_ID_ID), NULL, ARG_STR(OPT_TOKEN_TYPE_ID), CRYPT_ACTIVATE_KEYRING_KEY, 1, true);
if (r >= 0 || quit || ARG_SET(OPT_TOKEN_ONLY_ID))
goto out;
r = tools_get_key(NULL, &password, &passwordLen,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID),
ARG_UINT32(OPT_TIMEOUT_ID), verify_passphrase(0), 0, cd);
if (r < 0)
goto out;
r = crypt_activate_by_passphrase(cd, NULL, ARG_INT32(OPT_KEY_SLOT_ID),
password, passwordLen,
CRYPT_ACTIVATE_KEYRING_KEY);
tools_passphrase_msg(r);
tools_keyslot_msg(r, UNLOCKED);
}
out:
if (r >= 0)
r = crypt_resize(cd, action_argv[0], dev_size);
crypt_safe_free(password);
crypt_free(cd);
return r;
}
static int action_status(void)
{
crypt_status_info ci;
crypt_reencrypt_info ri;
struct crypt_active_device cad;
struct crypt_params_integrity ip = {};
struct crypt_device *cd = NULL;
char *backing_file;
const char *device;
int 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], ARG_STR(OPT_HEADER_ID));
if (r < 0)
goto out;
log_std(" type: %s\n", crypt_get_type(cd) ?: "n/a");
/* Print only CRYPT type devices */
if (!crypt_get_cipher(cd))
goto out;
ri = crypt_reencrypt_status(cd, NULL);
if (ri > CRYPT_REENCRYPT_NONE && ri < CRYPT_REENCRYPT_INVALID)
log_std(" reencryption: in-progress\n");
r = crypt_get_active_device(cd, action_argv[0], &cad);
if (r < 0)
goto out;
r = crypt_get_integrity_info(cd, &ip);
if (r < 0 && r != -ENOTSUP)
goto out;
log_std(" cipher: %s-%s\n", crypt_get_cipher(cd), crypt_get_cipher_mode(cd));
log_std(" keysize: %d bits\n", crypt_get_volume_key_size(cd) * 8);
log_std(" key location: %s\n", (cad.flags & CRYPT_ACTIVATE_KEYRING_KEY) ? "keyring" : "dm-crypt");
if (ip.integrity)
log_std(" integrity: %s\n", ip.integrity);
if (ip.integrity_key_size)
log_std(" integrity keysize: %d bits\n", ip.integrity_key_size * 8);
device = crypt_get_device_name(cd);
log_std(" device: %s\n", device);
if ((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%s\n", cad.flags & CRYPT_ACTIVATE_READONLY ?
"readonly" : "read/write",
(cad.flags & CRYPT_ACTIVATE_SUSPENDED) ? " (suspended)" : "");
if (cad.flags & (CRYPT_ACTIVATE_ALLOW_DISCARDS|
CRYPT_ACTIVATE_SAME_CPU_CRYPT|
CRYPT_ACTIVATE_SUBMIT_FROM_CRYPT_CPUS|
CRYPT_ACTIVATE_NO_READ_WORKQUEUE|
CRYPT_ACTIVATE_NO_WRITE_WORKQUEUE))
log_std(" flags: %s%s%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 " : "",
(cad.flags & CRYPT_ACTIVATE_NO_READ_WORKQUEUE) ? "no_read_workqueue " : "",
(cad.flags & CRYPT_ACTIVATE_NO_WRITE_WORKQUEUE) ? "no_write_workqueue" : "");
}
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, "0123456789abcdef", 16, 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 = ARG_UINT32(OPT_ITER_TIME_ID) ?: DEFAULT_LUKS2_ITER_TIME,
.max_memory_kb = ARG_UINT32(OPT_PBKDF_MEMORY_ID),
.parallel_threads = ARG_UINT32(OPT_PBKDF_PARALLEL_ID)
};
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,
double *encryption_mbs, double *decryption_mbs)
{
int r, buffer_size = 1024 * 1024;
do {
r = crypt_benchmark(NULL, cipher, cipher_mode,
volume_key_size, 0, buffer_size,
encryption_mbs, decryption_mbs);
if (r == -ERANGE) {
if (buffer_size < 1024 * 1024 * 65)
buffer_size *= 2;
else {
log_err(_("Result of benchmark is not reliable."));
r = -ENOENT;
}
}
} while (r == -ERANGE);
return r;
}
static int action_benchmark(void)
{
static struct {
const char *cipher;
const char *mode;
size_t key_size;
} bciphers[] = {
{ "aes", "cbc", 16 },
{ "serpent", "cbc", 16 },
{ "twofish", "cbc", 16 },
{ "aes", "cbc", 32 },
{ "serpent", "cbc", 32 },
{ "twofish", "cbc", 32 },
{ "aes", "xts", 32 },
{ "serpent", "xts", 32 },
{ "twofish", "xts", 32 },
{ "aes", "xts", 64 },
{ "serpent", "xts", 64 },
{ "twofish", "xts", 64 },
{ NULL, NULL, 0 }
};
static struct {
const char *type;
const char *hash;
} bkdfs[] = {
{ CRYPT_KDF_PBKDF2, "sha1" },
{ CRYPT_KDF_PBKDF2, "sha256" },
{ CRYPT_KDF_PBKDF2, "sha512" },
{ CRYPT_KDF_PBKDF2, "ripemd160" },
{ CRYPT_KDF_PBKDF2, "whirlpool" },
{ CRYPT_KDF_ARGON2I, NULL },
{ CRYPT_KDF_ARGON2ID, NULL },
{ NULL, NULL }
};
char cipher[MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
double enc_mbr = 0, dec_mbr = 0;
int key_size = (ARG_UINT32(OPT_KEY_SIZE_ID) ?: DEFAULT_PLAIN_KEYBITS) / 8;
int skipped = 0, width;
char *c;
int i, r;
log_std(_("# Tests are approximate using memory only (no storage IO).\n"));
if (set_pbkdf || ARG_SET(OPT_HASH_ID)) {
if (!set_pbkdf && ARG_SET(OPT_HASH_ID))
set_pbkdf = CRYPT_KDF_PBKDF2;
r = action_benchmark_kdf(set_pbkdf, ARG_STR(OPT_HASH_ID), key_size);
} else if (ARG_SET(OPT_CIPHER_ID)) {
r = crypt_parse_name_and_mode(ARG_STR(OPT_CIPHER_ID), cipher, NULL, cipher_mode);
if (r < 0) {
log_err(_("No known cipher specification pattern detected."));
return r;
}
if ((c = strchr(cipher_mode, '-')))
*c = '\0';
r = benchmark_cipher_loop(cipher, cipher_mode, key_size, &enc_mbr, &dec_mbr);
if (!r) {
width = strlen(cipher) + strlen(cipher_mode) + 1;
if (width < 11)
width = 11;
/* TRANSLATORS: The string is header of a table and must be exactly (right side) aligned. */
log_std(_("#%*s Algorithm | Key | Encryption | Decryption\n"), width - 11, "");
log_std("%*s-%s %9db %10.1f MiB/s %10.1f MiB/s\n", width - (int)strlen(cipher_mode) - 1,
cipher, cipher_mode, key_size*8, enc_mbr, dec_mbr);
} else if (r < 0)
log_err(_("Cipher %s (with %i bits key) is not available."), ARG_STR(OPT_CIPHER_ID), key_size * 8);
} else {
for (i = 0; bkdfs[i].type; i++) {
r = action_benchmark_kdf(bkdfs[i].type, bkdfs[i].hash, key_size);
check_signal(&r);
if (r == -EINTR)
break;
}
for (i = 0; bciphers[i].cipher; i++) {
r = benchmark_cipher_loop(bciphers[i].cipher, bciphers[i].mode,
bciphers[i].key_size, &enc_mbr, &dec_mbr);
check_signal(&r);
if (r == -ENOTSUP || r == -EINTR)
break;
if (r == -ENOENT)
skipped++;
if (i == 0)
/* TRANSLATORS: The string is header of a table and must be exactly (right side) aligned. */
log_std(_("# Algorithm | Key | Encryption | Decryption\n"));
if (snprintf(cipher, MAX_CIPHER_LEN, "%s-%s",
bciphers[i].cipher, bciphers[i].mode) < 0)
r = -EINVAL;
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 reencrypt_metadata_repair(struct crypt_device *cd)
{
char *password;
size_t passwordLen;
int r;
struct crypt_params_reencrypt params = {
.flags = CRYPT_REENCRYPT_REPAIR_NEEDED
};
if (!ARG_SET(OPT_BATCH_MODE_ID) &&
!yesDialog(_("Unprotected LUKS2 reencryption metadata detected. "
"Please verify the reencryption operation is desirable (see luksDump output)\n"
"and continue (upgrade metadata) only if you acknowledge the operation as genuine."),
_("Operation aborted.\n")))
return -EINVAL;
r = tools_get_key(_("Enter passphrase to protect and upgrade reencryption metadata: "),
&password, &passwordLen, ARG_UINT64(OPT_KEYFILE_OFFSET_ID),
ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID), ARG_UINT32(OPT_TIMEOUT_ID),
verify_passphrase(0), 0, cd);
if (r < 0)
return r;
r = crypt_reencrypt_init_by_passphrase(cd, NULL, password, passwordLen,
ARG_INT32(OPT_KEY_SLOT_ID), ARG_INT32(OPT_KEY_SLOT_ID), NULL, NULL, &params);
tools_passphrase_msg(r);
if (r < 0)
goto out;
r = crypt_activate_by_passphrase(cd, NULL, ARG_INT32(OPT_KEY_SLOT_ID),
password, passwordLen, 0);
tools_passphrase_msg(r);
if (r >= 0)
r = 0;
out:
crypt_safe_free(password);
return r;
}
static int luks2_reencrypt_repair(struct crypt_device *cd)
{
int r;
size_t passwordLen;
const char *msg;
char *password = NULL;
struct crypt_params_reencrypt params = {};
crypt_reencrypt_info ri = crypt_reencrypt_status(cd, &params);
if (params.flags & CRYPT_REENCRYPT_REPAIR_NEEDED)
return reencrypt_metadata_repair(cd);
switch (ri) {
case CRYPT_REENCRYPT_NONE:
return 0;
case CRYPT_REENCRYPT_CLEAN:
break;
case CRYPT_REENCRYPT_CRASH:
if (!ARG_SET(OPT_BATCH_MODE_ID) &&
!yesDialog(_("Really proceed with LUKS2 reencryption recovery?"),
_("Operation aborted.\n")))
return -EINVAL;
break;
default:
return -EINVAL;
}
if (ri == CRYPT_REENCRYPT_CLEAN)
msg = _("Enter passphrase to verify reencryption metadata digest: ");
else
msg = _("Enter passphrase for reencryption recovery: ");
r = tools_get_key(msg, &password, &passwordLen, ARG_UINT64(OPT_KEYFILE_OFFSET_ID),
ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID), ARG_UINT32(OPT_TIMEOUT_ID),
verify_passphrase(0), 0, cd);
if (r < 0)
return r;
r = crypt_activate_by_passphrase(cd, NULL, ARG_INT32(OPT_KEY_SLOT_ID),
password, passwordLen, 0);
if (r < 0)
goto out;
if (ri == CRYPT_REENCRYPT_CLEAN) {
r = 0;
goto out;
}
r = crypt_reencrypt_init_by_passphrase(cd, NULL, password, passwordLen,
ARG_INT32(OPT_KEY_SLOT_ID), ARG_INT32(OPT_KEY_SLOT_ID), NULL, NULL,
&(struct crypt_params_reencrypt){ .flags = CRYPT_REENCRYPT_RECOVERY });
if (r > 0)
r = 0;
out:
crypt_safe_free(password);
return r;
}
static int action_luksRepair(void)
{
struct crypt_device *cd = NULL;
int r;
if ((r = crypt_init_data_device(&cd, ARG_STR(OPT_HEADER_ID) ?: action_argv[0],
action_argv[0])))
goto out;
crypt_set_log_callback(cd, quiet_log, &log_parms);
r = crypt_load(cd, luksType(device_type), NULL);
crypt_set_log_callback(cd, tool_log, &log_parms);
if (r == 0 && isLUKS2(crypt_get_type(cd))) {
/*
* LUKS2 triggers autorepair in crypt_load() above
* LUKS1 need to call crypt_repair() even if crypt_load() is ok
*/
log_verbose(_("No known problems detected for LUKS header."));
goto out;
}
r = tools_detect_signatures(action_argv[0], 1, NULL, ARG_SET(OPT_BATCH_MODE_ID));
if (r < 0)
goto out;
if (!ARG_SET(OPT_BATCH_MODE_ID) &&
!yesDialog(_("Really try to repair LUKS device header?"),
_("Operation aborted.\n")))
r = -EINVAL;
else
r = crypt_repair(cd, luksType(device_type), NULL);
out:
/* Header is ok, check if reencryption metadata needs repair/recovery. */
if (!r && isLUKS2(crypt_get_type(cd)))
r = luks2_reencrypt_repair(cd);
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 = -EINVAL;
char *backing_file = NULL;
struct tools_progress_params prog_parms = {
.frequency = ARG_UINT32(OPT_PROGRESS_FREQUENCY_ID),
.batch_mode = ARG_SET(OPT_BATCH_MODE_ID),
.json_output = ARG_SET(OPT_PROGRESS_JSON_ID),
.interrupt_message = _("\nWipe interrupted."),
.device = tools_get_device_name(crypt_get_device_name(cd), &backing_file)
};
if (!ARG_SET(OPT_BATCH_MODE_ID))
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)
goto out;
if (snprintf(tmp_path, sizeof(tmp_path), "%s/%s", crypt_get_dir(), tmp_name) < 0)
goto out;
r = crypt_activate_by_volume_key(cd, tmp_name, NULL, 0,
CRYPT_ACTIVATE_PRIVATE | CRYPT_ACTIVATE_NO_JOURNAL);
if (r < 0)
goto out;
/* Wipe the device */
set_int_handler(0);
r = crypt_wipe(cd, tmp_path, CRYPT_WIPE_ZERO, 0, 0, DEFAULT_WIPE_BLOCK,
0, &tools_progress, &prog_parms);
if (crypt_deactivate(cd, tmp_name))
log_err(_("Cannot deactivate temporary device %s."), tmp_path);
set_int_block(0);
out:
free(backing_file);
return r;
}
static int strcmp_or_null(const char *str, const char *expected)
{
return !str ? 0 : strcmp(str, expected);
}
int luksFormat(struct crypt_device **r_cd, char **r_password, size_t *r_passwordLen)
{
int r = -EINVAL, keysize, integrity_keysize = 0, fd, created = 0;
struct stat st;
const char *header_device, *type;
char *msg = NULL, *key = NULL, *password = NULL;
char cipher [MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN], integrity[MAX_CIPHER_LEN];
size_t passwordLen, signatures;
struct crypt_device *cd = NULL;
struct crypt_params_luks1 params1 = {
.hash = ARG_STR(OPT_HASH_ID) ?: DEFAULT_LUKS1_HASH,
.data_alignment = ARG_UINT32(OPT_ALIGN_PAYLOAD_ID),
.data_device = ARG_SET(OPT_HEADER_ID) ? action_argv[0] : NULL,
};
struct crypt_params_luks2 params2 = {
.data_alignment = params1.data_alignment,
.data_device = params1.data_device,
.sector_size = ARG_UINT32(OPT_SECTOR_SIZE_ID),
.label = ARG_STR(OPT_LABEL_ID),
.subsystem = ARG_STR(OPT_SUBSYSTEM_ID)
};
void *params;
type = luksType(device_type);
if (!type)
type = crypt_get_default_type();
if (isLUKS2(type)) {
params = &params2;
} else if (isLUKS1(type)) {
params = &params1;
if (ARG_UINT32(OPT_SECTOR_SIZE_ID) > SECTOR_SIZE) {
log_err(_("Unsupported encryption sector size."));
return -EINVAL;
}
if (ARG_SET(OPT_INTEGRITY_ID)) {
log_err(_("Integrity option can be used only for LUKS2 format."));
return -EINVAL;
}
if (ARG_SET(OPT_LUKS2_KEYSLOTS_SIZE_ID) || ARG_SET(OPT_LUKS2_METADATA_SIZE_ID)) {
log_err(_("Unsupported LUKS2 metadata size options."));
return -EINVAL;
}
} else
return -EINVAL;
/* Create header file (must contain at least one sector)? */
if (ARG_SET(OPT_HEADER_ID) && stat(ARG_STR(OPT_HEADER_ID), &st) < 0 && errno == ENOENT) {
if (!ARG_SET(OPT_BATCH_MODE_ID) &&
!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(ARG_STR(OPT_HEADER_ID), 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."), ARG_STR(OPT_HEADER_ID));
else {
r = 0;
created = 1;
}
if (fd != -1)
close(fd);
if (r < 0)
return r;
}
header_device = ARG_STR(OPT_HEADER_ID) ?: action_argv[0];
r = crypt_parse_name_and_mode(ARG_STR(OPT_CIPHER_ID) ?: DEFAULT_CIPHER(LUKS1),
cipher, NULL, cipher_mode);
if (r < 0) {
log_err(_("No known cipher specification pattern detected."));
goto out;
}
if (ARG_SET(OPT_INTEGRITY_ID)) {
r = crypt_parse_integrity_mode(ARG_STR(OPT_INTEGRITY_ID), 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 (crypt_is_cipher_null(cipher))
ARG_SET_TRUE(OPT_FORCE_PASSWORD_ID);
if ((r = crypt_init(&cd, header_device))) {
if (ARG_SET(OPT_HEADER_ID))
log_err(_("Cannot use %s as on-disk header."), header_device);
return r;
}
if (ARG_SET(OPT_LUKS2_KEYSLOTS_SIZE_ID) || ARG_SET(OPT_LUKS2_METADATA_SIZE_ID)) {
r = crypt_set_metadata_size(cd, ARG_UINT64(OPT_LUKS2_METADATA_SIZE_ID), ARG_UINT64(OPT_LUKS2_KEYSLOTS_SIZE_ID));
if (r < 0) {
log_err(_("Unsupported LUKS2 metadata size options."));
goto out;
}
}
if (ARG_SET(OPT_OFFSET_ID)) {
r = crypt_set_data_offset(cd, ARG_UINT64(OPT_OFFSET_ID));
if (r < 0)
goto out;
}
/* Print all present signatures in read-only mode */
r = tools_detect_signatures(header_device, 0, &signatures, ARG_SET(OPT_BATCH_MODE_ID));
if (r < 0)
goto out;
if (!created && !ARG_SET(OPT_BATCH_MODE_ID)) {
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;
}
keysize = get_adjusted_key_size(cipher_mode, DEFAULT_LUKS1_KEYBITS, integrity_keysize);
if (ARG_SET(OPT_USE_RANDOM_ID))
crypt_set_rng_type(cd, CRYPT_RNG_RANDOM);
else if (ARG_SET(OPT_USE_URANDOM_ID))
crypt_set_rng_type(cd, CRYPT_RNG_URANDOM);
r = tools_get_key(NULL, &password, &passwordLen,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID),
ARG_UINT32(OPT_TIMEOUT_ID), verify_passphrase(1), !ARG_SET(OPT_FORCE_PASSWORD_ID), cd);
if (r < 0)
goto out;
if (ARG_SET(OPT_MASTER_KEY_FILE_ID)) {
r = tools_read_mk(ARG_STR(OPT_MASTER_KEY_FILE_ID), &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;
if (ARG_SET(OPT_INTEGRITY_LEGACY_PADDING_ID))
crypt_set_compatibility(cd, CRYPT_COMPAT_LEGACY_INTEGRITY_PADDING);
r = crypt_format(cd, type, cipher, cipher_mode,
ARG_STR(OPT_UUID_ID), 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, ARG_INT32(OPT_KEY_SLOT_ID),
key, keysize,
password, passwordLen);
if (r < 0) {
(void) tools_wipe_all_signatures(header_device);
goto out;
}
tools_keyslot_msg(r, CREATED);
if (ARG_SET(OPT_INTEGRITY_ID) && !ARG_SET(OPT_INTEGRITY_NO_WIPE_ID) &&
strcmp_or_null(params2.integrity, "none"))
r = _wipe_data_device(cd);
out:
if (r >= 0 && r_cd && r_password && r_passwordLen) {
*r_cd = cd;
*r_password = password;
*r_passwordLen = passwordLen;
} else {
crypt_free(cd);
crypt_safe_free(password);
}
crypt_safe_free(key);
return r;
}
static int action_luksFormat(void)
{
return luksFormat(NULL, NULL, NULL);
}
static int action_open_luks(void)
{
struct crypt_active_device cad;
struct crypt_device *cd = NULL;
const char *data_device, *header_device, *activated_name;
char *key = NULL;
uint32_t activate_flags = 0;
int r, keysize, tries;
char *password = NULL;
size_t passwordLen;
if (ARG_SET(OPT_REFRESH_ID)) {
activated_name = action_argc > 1 ? action_argv[1] : action_argv[0];
r = crypt_init_by_name_and_header(&cd, activated_name, ARG_STR(OPT_HEADER_ID));
if (r)
goto out;
activate_flags |= CRYPT_ACTIVATE_REFRESH;
} else {
header_device = uuid_or_device_header(&data_device);
activated_name = ARG_SET(OPT_TEST_PASSPHRASE_ID) ? NULL : action_argv[1];
if ((r = crypt_init_data_device(&cd, header_device, data_device)))
goto out;
if ((r = crypt_load(cd, luksType(device_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) && !ARG_SET(OPT_TEST_PASSPHRASE_ID)) {
log_err(_("Reduced data offset is allowed only for detached LUKS header."));
r = -EINVAL;
goto out;
}
}
set_activation_flags(&activate_flags);
if (ARG_SET(OPT_MASTER_KEY_FILE_ID)) {
keysize = crypt_get_volume_key_size(cd);
if (!keysize && !ARG_SET(OPT_KEY_SIZE_ID)) {
log_err(_("Cannot determine volume key size for LUKS without keyslots, please use --key-size option."));
r = -EINVAL;
goto out;
} else if (!keysize)
keysize = ARG_UINT32(OPT_KEY_SIZE_ID) / 8;
r = tools_read_mk(ARG_STR(OPT_MASTER_KEY_FILE_ID), &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_pin(cd, activated_name, ARG_STR(OPT_TOKEN_TYPE_ID),
ARG_INT32(OPT_TOKEN_ID_ID), NULL, 0, NULL, activate_flags);
tools_keyslot_msg(r, UNLOCKED);
tools_token_error_msg(r, ARG_STR(OPT_TOKEN_TYPE_ID), ARG_INT32(OPT_TOKEN_ID_ID), false);
/* Token requires PIN, but ask only if there is no password query later */
if (ARG_SET(OPT_TOKEN_ONLY_ID) && r == -ENOANO)
r = _try_token_pin_unlock(cd, ARG_INT32(OPT_TOKEN_ID_ID), activated_name, ARG_STR(OPT_TOKEN_TYPE_ID), activate_flags, set_tries_tty(), true);
if (r >= 0 || r == -EEXIST || quit || ARG_SET(OPT_TOKEN_ONLY_ID))
goto out;
tries = set_tries_tty();
do {
r = tools_get_key(NULL, &password, &passwordLen,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID),
ARG_UINT32(OPT_TIMEOUT_ID), verify_passphrase(0), 0, cd);
if (r < 0)
goto out;
r = crypt_activate_by_passphrase(cd, activated_name,
ARG_INT32(OPT_KEY_SLOT_ID), 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 && ARG_SET(OPT_PERSISTENT_ID) &&
(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 && !ARG_SET(OPT_BATCH_MODE_ID) && !key_file &&
msg_last && !ARG_SET(OPT_BATCH_MODE_ID) && !yesDialog(msg_last, msg_fail))
return -EPERM;
r = tools_get_key(msg_pass, &password, &passwordLen,
keyfile_offset, keyfile_size, key_file, ARG_UINT32(OPT_TIMEOUT_ID),
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;
if ((r = crypt_load(cd, luksType(device_type), NULL))) {
log_err(_("Device %s is not a valid LUKS device."),
uuid_or_device_header(NULL));
goto out;
}
ki = crypt_keyslot_status(cd, ARG_INT32(OPT_KEY_SLOT_ID));
switch (ki) {
case CRYPT_SLOT_ACTIVE_LAST:
case CRYPT_SLOT_ACTIVE:
case CRYPT_SLOT_UNBOUND:
log_verbose(_("Keyslot %d is selected for deletion."), ARG_INT32(OPT_KEY_SLOT_ID));
break;
case CRYPT_SLOT_INACTIVE:
log_err(_("Keyslot %d is not active."), ARG_INT32(OPT_KEY_SLOT_ID));
/* fall through */
case CRYPT_SLOT_INVALID:
r = -EINVAL;
goto out;
}
if (!ARG_SET(OPT_BATCH_MODE_ID) || ARG_SET(OPT_KEY_FILE_ID) || !isatty(STDIN_FILENO)) {
r = verify_keyslot(cd, ARG_INT32(OPT_KEY_SLOT_ID), 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"),
ARG_STR(OPT_KEY_FILE_ID), ARG_UINT64(OPT_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID));
tools_keyslot_msg(r, UNLOCKED);
if (r == -EPIPE && (!ARG_SET(OPT_KEY_FILE_ID) || tools_is_stdin(ARG_STR(OPT_KEY_FILE_ID)))) {
log_dbg("Failed read from input, ignoring passphrase.");
r = 0;
}
if (r < 0)
goto out;
}
r = crypt_keyslot_destroy(cd, ARG_INT32(OPT_KEY_SLOT_ID));
tools_keyslot_msg(ARG_INT32(OPT_KEY_SLOT_ID), 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;
if ((r = crypt_load(cd, luksType(device_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,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID),
ARG_UINT32(OPT_TIMEOUT_ID),
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);
ARG_SET_INT32(OPT_KEY_SLOT_ID, r);
log_verbose(_("Keyslot %d is selected for deletion."), ARG_INT32(OPT_KEY_SLOT_ID));
if (crypt_keyslot_status(cd, ARG_INT32(OPT_KEY_SLOT_ID)) == CRYPT_SLOT_ACTIVE_LAST &&
!ARG_SET(OPT_BATCH_MODE_ID) &&
!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, ARG_INT32(OPT_KEY_SLOT_ID));
tools_keyslot_msg(ARG_INT32(OPT_KEY_SLOT_ID), 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 *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;
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 (crypt_is_cipher_null(crypt_get_cipher(cd)))
ARG_SET_TRUE(OPT_FORCE_PASSWORD_ID);
keysize = ARG_UINT32(OPT_KEY_SIZE_ID) / 8;
r = set_pbkdf_params(cd, crypt_get_type(cd));
if (r) {
log_err(_("Failed to set pbkdf parameters."));
goto out;
}
if (ARG_SET(OPT_MASTER_KEY_FILE_ID)) {
r = tools_read_mk(ARG_STR(OPT_MASTER_KEY_FILE_ID), &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,
ARG_UINT64(OPT_NEW_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_NEW_KEYFILE_SIZE_ID),
new_key_file, ARG_UINT32(OPT_TIMEOUT_ID),
verify_passphrase(1), !ARG_SET(OPT_FORCE_PASSWORD_ID), cd);
if (r < 0)
goto out;
r = crypt_keyslot_add_by_key(cd, ARG_INT32(OPT_KEY_SLOT_ID), 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 *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 (ARG_SET(OPT_UNBOUND_ID))
return luksAddUnboundKey();
if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
goto out;
if ((r = crypt_load(cd, luksType(device_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 (crypt_is_cipher_null(crypt_get_cipher(cd)))
ARG_SET_TRUE(OPT_FORCE_PASSWORD_ID);
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 (ARG_SET(OPT_MASTER_KEY_FILE_ID)) {
if (!keysize && !ARG_SET(OPT_KEY_SIZE_ID)) {
log_err(_("Cannot determine volume key size for LUKS without keyslots, please use --key-size option."));
r = -EINVAL;
goto out;
} else if (!keysize)
keysize = ARG_UINT32(OPT_KEY_SIZE_ID) / 8;
r = tools_read_mk(ARG_STR(OPT_MASTER_KEY_FILE_ID), &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,
ARG_UINT64(OPT_NEW_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_NEW_KEYFILE_SIZE_ID),
new_key_file, ARG_UINT32(OPT_TIMEOUT_ID),
verify_passphrase(1), !ARG_SET(OPT_FORCE_PASSWORD_ID), cd);
if (r < 0)
goto out;
r = crypt_keyslot_add_by_volume_key(cd, ARG_INT32(OPT_KEY_SLOT_ID), key, keysize,
password_new, password_new_size);
} else if (ARG_SET(OPT_KEY_FILE_ID) && !tools_is_stdin(ARG_STR(OPT_KEY_FILE_ID)) &&
new_key_file && !tools_is_stdin(new_key_file)) {
r = crypt_keyslot_add_by_keyfile_device_offset(cd, ARG_INT32(OPT_KEY_SLOT_ID),
ARG_STR(OPT_KEY_FILE_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_UINT64(OPT_KEYFILE_OFFSET_ID),
new_key_file, ARG_UINT32(OPT_NEW_KEYFILE_SIZE_ID), ARG_UINT64(OPT_NEW_KEYFILE_OFFSET_ID));
tools_passphrase_msg(r);
} else {
r = tools_get_key(_("Enter any existing passphrase: "),
&password, &password_size,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID),
ARG_UINT32(OPT_TIMEOUT_ID), 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,
ARG_UINT64(OPT_NEW_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_NEW_KEYFILE_SIZE_ID), new_key_file,
ARG_UINT32(OPT_TIMEOUT_ID), verify_passphrase(1), !ARG_SET(OPT_FORCE_PASSWORD_ID), cd);
if (r < 0)
goto out;
r = crypt_keyslot_add_by_passphrase(cd, ARG_INT32(OPT_KEY_SLOT_ID),
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 *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(device_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 (crypt_is_cipher_null(crypt_get_cipher(cd)))
ARG_SET_TRUE(OPT_FORCE_PASSWORD_ID);
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,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID),
ARG_UINT32(OPT_TIMEOUT_ID), verify_passphrase(0), 0, cd);
if (r < 0)
goto out;
/* Check password before asking for new one */
r = crypt_activate_by_passphrase(cd, NULL, ARG_INT32(OPT_KEY_SLOT_ID),
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,
ARG_UINT64(OPT_NEW_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_NEW_KEYFILE_SIZE_ID),
new_key_file,
ARG_UINT32(OPT_TIMEOUT_ID), verify_passphrase(1), !ARG_SET(OPT_FORCE_PASSWORD_ID), cd);
if (r < 0)
goto out;
r = crypt_keyslot_change_by_passphrase(cd, ARG_INT32(OPT_KEY_SLOT_ID), ARG_INT32(OPT_KEY_SLOT_ID),
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, ARG_INT32(OPT_KEY_SLOT_ID)) == CRYPT_SLOT_INACTIVE) {
r = -EINVAL;
log_err(_("Keyslot %d is not active."), ARG_INT32(OPT_KEY_SLOT_ID));
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,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID),
ARG_UINT32(OPT_TIMEOUT_ID), verify_passphrase(0), 0, cd);
if (r < 0)
goto out;
r = crypt_keyslot_change_by_passphrase(cd, ARG_INT32(OPT_KEY_SLOT_ID), ARG_INT32(OPT_KEY_SLOT_ID),
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, &log_parms);
r = crypt_load(cd, luksType(device_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;
if (!ARG_SET(OPT_BATCH_MODE_ID))
crypt_set_confirm_callback(cd, yesDialog, _("Operation aborted.\n"));
if ((r = crypt_load(cd, luksType(device_type), NULL)))
goto out;
if (ARG_SET(OPT_UUID_ID))
r = crypt_set_uuid(cd, ARG_STR(OPT_UUID_ID));
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;
if (!ARG_SET(OPT_BATCH_MODE_ID) && !yesDialog(
_("The header dump with volume key is sensitive information\n"
"that allows access to encrypted partition without a passphrase.\n"
"This dump should be stored encrypted in a safe place."),
NULL))
return -EPERM;
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,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID),
ARG_UINT32(OPT_TIMEOUT_ID), 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 (ARG_SET(OPT_MASTER_KEY_FILE_ID)) {
r = tools_write_mk(ARG_STR(OPT_MASTER_KEY_FILE_ID), 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 (ARG_SET(OPT_MASTER_KEY_FILE_ID)) {
log_std("Key stored to file %s.\n", ARG_STR(OPT_MASTER_KEY_FILE_ID));
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 luksDump_with_unbound_key(struct crypt_device *cd)
{
crypt_keyslot_info ki;
char *uk = NULL, *password = NULL;
size_t uk_size, passwordLen = 0;
int i, r;
ki = crypt_keyslot_status(cd, ARG_INT32(OPT_KEY_SLOT_ID));
if (ki != CRYPT_SLOT_UNBOUND) {
log_err(_("Keyslot %d does not contain unbound key."), ARG_INT32(OPT_KEY_SLOT_ID));
return -EINVAL;
}
if (!ARG_SET(OPT_BATCH_MODE_ID) && !yesDialog(
_("The header dump with unbound key is sensitive information.\n"
"This dump should be stored encrypted in a safe place."),
NULL))
return -EPERM;
r = crypt_keyslot_get_key_size(cd, ARG_INT32(OPT_KEY_SLOT_ID));
if (r < 0)
return -EINVAL;
uk_size = r;
uk = crypt_safe_alloc(uk_size);
if (!uk)
return -ENOMEM;
r = tools_get_key(NULL, &password, &passwordLen,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID),
ARG_UINT32(OPT_TIMEOUT_ID), 0, 0, cd);
if (r < 0)
goto out;
r = crypt_volume_key_get(cd, ARG_INT32(OPT_KEY_SLOT_ID), uk, &uk_size,
password, passwordLen);
tools_passphrase_msg(r);
check_signal(&r);
if (r < 0)
goto out;
tools_keyslot_msg(r, UNLOCKED);
if (ARG_SET(OPT_MASTER_KEY_FILE_ID)) {
r = tools_write_mk(ARG_STR(OPT_MASTER_KEY_FILE_ID), uk, uk_size);
if (r < 0)
goto out;
}
log_std("LUKS header information for %s\n", crypt_get_device_name(cd));
log_std("UUID: \t%s\n", crypt_get_uuid(cd));
log_std("Keyslot: \t%d\n", ARG_INT32(OPT_KEY_SLOT_ID));
log_std("Key bits:\t%d\n", (int)uk_size * 8);
if (ARG_SET(OPT_MASTER_KEY_FILE_ID)) {
log_std("Key stored to file %s.\n", ARG_STR(OPT_MASTER_KEY_FILE_ID));
goto out;
}
log_std("Unbound Key:\t");
for(i = 0; i < (int)uk_size; i++) {
if (i && !(i % 16))
log_std("\n\t\t");
log_std("%02hhx ", (char)uk[i]);
}
log_std("\n");
out:
crypt_safe_free(password);
crypt_safe_free(uk);
return r;
}
static int action_luksDump(void)
{
struct crypt_device *cd = NULL;
int r;
if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
goto out;
if ((r = crypt_load(cd, luksType(device_type), NULL))) {
log_err(_("Device %s is not a valid LUKS device."),
uuid_or_device_header(NULL));
goto out;
}
if (ARG_SET(OPT_DUMP_MASTER_KEY_ID))
r = luksDump_with_volume_key(cd);
else if (ARG_SET(OPT_UNBOUND_ID))
r = luksDump_with_unbound_key(cd);
else if (ARG_SET(OPT_DUMP_JSON_ID))
r = crypt_dump_json(cd, NULL, 0);
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(ARG_STR(OPT_HEADER_ID)));
if (!r) {
r = crypt_suspend(cd, action_argv[0]);
if (r == -ENODEV)
log_err(_("%s is not active %s device name."), action_argv[0], "LUKS");
}
crypt_free(cd);
return r;
}
static int action_luksResume(void)
{
struct crypt_device *cd = NULL;
char *password = NULL;
size_t passwordLen;
int r, tries;
struct crypt_active_device cad;
const char *req_type = luksType(device_type);
if (req_type && !isLUKS(req_type))
return -EINVAL;
if ((r = crypt_init_by_name_and_header(&cd, action_argv[0], uuid_or_device(ARG_STR(OPT_HEADER_ID)))))
return r;
r = -EINVAL;
if (!isLUKS(crypt_get_type(cd))) {
log_err(_("%s is not active LUKS device name or header is missing."), action_argv[0]);
goto out;
}
if (req_type && strcmp(req_type, crypt_get_type(cd))) {
log_err(_("%s is not active %s device name."), action_argv[0], req_type);
goto out;
}
r = crypt_get_active_device(cd, action_argv[0], &cad);
if (r < 0)
goto out;
if (!(cad.flags & CRYPT_ACTIVATE_SUSPENDED)) {
log_err(_("Volume %s is not suspended."), action_argv[0]);
r = -EINVAL;
goto out;
}
/* try to resume LUKS2 device by token first */
r = crypt_resume_by_token_pin(cd, action_argv[0], ARG_STR(OPT_TOKEN_TYPE_ID),
ARG_INT32(OPT_TOKEN_ID_ID), NULL, 0, NULL);
tools_keyslot_msg(r, UNLOCKED);
tools_token_error_msg(r, ARG_STR(OPT_TOKEN_TYPE_ID), ARG_INT32(OPT_TOKEN_ID_ID), false);
/* Token requires PIN, but ask only if there is no password query later */
if (ARG_SET(OPT_TOKEN_ONLY_ID) && r == -ENOANO)
r = _try_token_pin_unlock(cd, ARG_INT32(OPT_TOKEN_ID_ID), action_argv[0], ARG_STR(OPT_TOKEN_TYPE_ID), 0, set_tries_tty(), false);
if (r >= 0 || quit || ARG_SET(OPT_TOKEN_ONLY_ID))
goto out;
tries = set_tries_tty();
do {
r = tools_get_key(NULL, &password, &passwordLen,
ARG_UINT64(OPT_KEYFILE_OFFSET_ID), ARG_UINT32(OPT_KEYFILE_SIZE_ID), ARG_STR(OPT_KEY_FILE_ID),
ARG_UINT32(OPT_TIMEOUT_ID), 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 (!ARG_SET(OPT_HEADER_BACKUP_FILE_ID)) {
log_err(_("Option --header-backup-file is required."));
return -EINVAL;
}
if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
goto out;
r = crypt_header_backup(cd, NULL, ARG_STR(OPT_HEADER_BACKUP_FILE_ID));
out:
crypt_free(cd);
return r;
}
static int action_luksRestore(void)
{
struct crypt_device *cd = NULL;
int r = 0;
if (!ARG_SET(OPT_HEADER_BACKUP_FILE_ID)) {
log_err(_("Option --header-backup-file is required."));
return -EINVAL;
}
if ((r = crypt_init(&cd, uuid_or_device_header(NULL))))
goto out;
if (!ARG_SET(OPT_BATCH_MODE_ID))
crypt_set_confirm_callback(cd, yesDialog, NULL);
r = crypt_header_restore(cd, NULL, ARG_STR(OPT_HEADER_BACKUP_FILE_ID));
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, ARG_STR(OPT_HEADER_ID)))
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)
{
int r = -EINVAL;
if (ARG_SET(OPT_REFRESH_ID) && !device_type)
/* read device type from active mapping */
device_type = _get_device_type();
if (!device_type)
return -EINVAL;
if (!strcmp(device_type, "luks") ||
!strcmp(device_type, "luks1") ||
!strcmp(device_type, "luks2")) {
if (action_argc < 2 && (!ARG_SET(OPT_TEST_PASSPHRASE_ID) && !ARG_SET(OPT_REFRESH_ID)))
goto out;
return action_open_luks();
} else if (!strcmp(device_type, "plain")) {
if (action_argc < 2 && !ARG_SET(OPT_REFRESH_ID))
goto out;
return action_open_plain();
} else if (!strcmp(device_type, "loopaes")) {
if (action_argc < 2 && !ARG_SET(OPT_REFRESH_ID))
goto out;
return action_open_loopaes();
} else if (!strcmp(device_type, "tcrypt")) {
if (action_argc < 2 && !ARG_SET(OPT_TEST_PASSPHRASE_ID))
goto out;
return action_open_tcrypt();
} else if (!strcmp(device_type, "bitlk")) {
if (action_argc < 2 && !ARG_SET(OPT_TEST_PASSPHRASE_ID))
goto out;
return action_open_bitlk();
} else
r = -ENOENT;
out:
if (r == -ENOENT)
log_err(_("Unrecognized metadata device type %s."), device_type);
else
log_err(_("Command requires device and mapped name as arguments."));
return r;
}
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;
if ((r = crypt_load(cd, luksType(device_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 (!ARG_SET(OPT_BATCH_MODE_ID) && !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) {
r = -EINVAL;
goto out;
}
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(device_type, "luks2")) {
to_type = CRYPT_LUKS2;
} else if (!strcmp(device_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;
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;
}
r = 0;
if (!ARG_SET(OPT_BATCH_MODE_ID)) {
if (asprintf(&msg, _("This operation will convert %s to %s format.\n"),
uuid_or_device_header(NULL), to_type) == -1)
r = -ENOMEM;
else if (!yesDialog(msg, _("Operation aborted, device was NOT converted.\n")))
r = -EPERM;
}
r = r ?: crypt_convert(cd, to_type, NULL);
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", ARG_STR(OPT_PRIORITY_ID)))
priority = CRYPT_SLOT_PRIORITY_NORMAL;
else if (!strcmp("prefer", ARG_STR(OPT_PRIORITY_ID)))
priority = CRYPT_SLOT_PRIORITY_PREFER;
else if (!strcmp("ignore", ARG_STR(OPT_PRIORITY_ID)))
priority = CRYPT_SLOT_PRIORITY_IGNORE;
cs = crypt_keyslot_status(cd, ARG_INT32(OPT_KEY_SLOT_ID));
if (cs != CRYPT_SLOT_INVALID)
return crypt_keyslot_set_priority(cd, ARG_INT32(OPT_KEY_SLOT_ID), priority);
return -EINVAL;
}
static int _config_labels(struct crypt_device *cd)
{
return crypt_set_label(cd, ARG_STR(OPT_LABEL_ID), ARG_STR(OPT_SUBSYSTEM_ID));
}
static int action_luksConfig(void)
{
struct crypt_device *cd = NULL;
int r;
if (!ARG_SET(OPT_PRIORITY_ID) && !ARG_SET(OPT_LABEL_ID) && !ARG_SET(OPT_SUBSYSTEM_ID)) {
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 (ARG_SET(OPT_PRIORITY_ID) && (r = _config_priority(cd)))
goto out;
if ((ARG_SET(OPT_LABEL_ID) || ARG_SET(OPT_SUBSYSTEM_ID)) && (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 = ARG_STR(OPT_KEY_DESCRIPTION_ID)
};
if (ARG_INT32(OPT_TOKEN_ID_ID) != CRYPT_ANY_TOKEN) {
token_info = crypt_token_status(cd, ARG_INT32(OPT_TOKEN_ID_ID), NULL);
if (token_info < CRYPT_TOKEN_INACTIVE) {
log_err(_("Token %d is invalid."), ARG_INT32(OPT_TOKEN_ID_ID));
return -EINVAL;
} else if (token_info > CRYPT_TOKEN_INACTIVE && !ARG_SET(OPT_TOKEN_REPLACE_ID)) {
log_err(_("Token %d in use."), ARG_INT32(OPT_TOKEN_ID_ID));
return -EINVAL;
}
}
if (crypt_keyslot_status(cd, ARG_INT32(OPT_KEY_SLOT_ID)) == CRYPT_SLOT_INACTIVE) {
log_err(_("Keyslot %d is not active."), ARG_INT32(OPT_KEY_SLOT_ID));
return -EINVAL;
}
r = crypt_token_luks2_keyring_set(cd, ARG_INT32(OPT_TOKEN_ID_ID), &params);
if (r < 0) {
log_err(_("Failed to add luks2-keyring token %d."), ARG_INT32(OPT_TOKEN_ID_ID));
return r;
}
token = r;
r = crypt_token_assign_keyslot(cd, token, ARG_INT32(OPT_KEY_SLOT_ID));
if (r < 0) {
log_err(_("Failed to assign token %d to keyslot %d."), token, ARG_INT32(OPT_KEY_SLOT_ID));
(void) crypt_token_json_set(cd, token, NULL);
return r;
}
return token;
}
static int _token_remove(struct crypt_device *cd)
{
crypt_token_info token_info;
token_info = crypt_token_status(cd, ARG_INT32(OPT_TOKEN_ID_ID), NULL);
if (token_info < CRYPT_TOKEN_INACTIVE) {
log_err(_("Token %d is invalid."), ARG_INT32(OPT_TOKEN_ID_ID));
return -EINVAL;
} else if (token_info == CRYPT_TOKEN_INACTIVE) {
log_err(_("Token %d is not in use."), ARG_INT32(OPT_TOKEN_ID_ID));
return -EINVAL;
}
return crypt_token_json_set(cd, ARG_INT32(OPT_TOKEN_ID_ID), NULL);
}
static int _token_import(struct crypt_device *cd)
{
char *json;
size_t json_length;
crypt_token_info token_info;
int r, token;
if (ARG_INT32(OPT_TOKEN_ID_ID) != CRYPT_ANY_TOKEN) {
token_info = crypt_token_status(cd, ARG_INT32(OPT_TOKEN_ID_ID), NULL);
if (token_info < CRYPT_TOKEN_INACTIVE) {
log_err(_("Token %d is invalid."), ARG_INT32(OPT_TOKEN_ID_ID));
return -EINVAL;
} else if (token_info > CRYPT_TOKEN_INACTIVE && !ARG_SET(OPT_TOKEN_REPLACE_ID)) {
log_err(_("Token %d in use."), ARG_INT32(OPT_TOKEN_ID_ID));
return -EINVAL;
}
}
if (crypt_keyslot_status(cd, ARG_INT32(OPT_KEY_SLOT_ID)) == CRYPT_SLOT_INACTIVE) {
log_err(_("Keyslot %d is not active."), ARG_INT32(OPT_KEY_SLOT_ID));
return -EINVAL;
}
r = tools_read_json_file(ARG_STR(OPT_JSON_FILE_ID), &json, &json_length, ARG_SET(OPT_BATCH_MODE_ID));
if (r)
return r;
r = crypt_token_json_set(cd, ARG_INT32(OPT_TOKEN_ID_ID), json);
free(json);
if (r < 0) {
log_err(_("Failed to import token from file."));
return r;
}
token = r;
if (ARG_INT32(OPT_KEY_SLOT_ID) != CRYPT_ANY_SLOT) {
r = crypt_token_assign_keyslot(cd, token, ARG_INT32(OPT_KEY_SLOT_ID));
if (r < 0) {
log_err(_("Failed to assign token %d to keyslot %d."), token, ARG_INT32(OPT_KEY_SLOT_ID));
(void) crypt_token_json_set(cd, token, NULL);
return r;
}
}
return token;
}
static int _token_export(struct crypt_device *cd)
{
const char *json;
int r;
r = crypt_token_json_get(cd, ARG_INT32(OPT_TOKEN_ID_ID), &json);
if (r < 0) {
log_err(_("Failed to get token %d for export."), ARG_INT32(OPT_TOKEN_ID_ID));
return r;
}
return tools_write_json_file(ARG_STR(OPT_JSON_FILE_ID), json);
}
static int action_token(void)
{
int r;
struct crypt_device *cd = NULL;
if ((r = crypt_init(&cd, uuid_or_device(ARG_STR(OPT_HEADER_ID) ?: 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(ARG_STR(OPT_HEADER_ID) ?: action_argv[1]));
crypt_free(cd);
return r;
}
r = -EINVAL;
if (!strcmp(action_argv[0], "add")) {
r = _token_add(cd); /* adds only luks2-keyring type */
tools_token_msg(r, CREATED);
} else if (!strcmp(action_argv[0], "remove")) {
r = _token_remove(cd);
tools_token_msg(r, REMOVED);
} else if (!strcmp(action_argv[0], "import")) {
r = _token_import(cd);
tools_token_msg(r, CREATED);
} else if (!strcmp(action_argv[0], "export"))
r = _token_export(cd);
crypt_free(cd);
return r;
}
static int action_reencrypt(void)
{
return reencrypt(action_argc, action_argv);
}
static const char *verify_tcryptdump(void)
{
if ((ARG_SET(OPT_TCRYPT_HIDDEN_ID) || ARG_SET(OPT_TCRYPT_SYSTEM_ID) || ARG_SET(OPT_TCRYPT_BACKUP_ID)) && (!device_type || strcmp(device_type, "tcrypt")))
return _("Option --tcrypt-hidden, --tcrypt-system or --tcrypt-backup is supported only for TCRYPT device.");
if ((ARG_SET(OPT_VERACRYPT_ID) || ARG_SET(OPT_DISABLE_VERACRYPT_ID)) && (!device_type || strcmp(device_type, "tcrypt")))
return _("Option --veracrypt or --disable-veracrypt is supported only for TCRYPT device type.");
if (ARG_SET(OPT_VERACRYPT_PIM_ID) && ARG_SET(OPT_DISABLE_VERACRYPT_ID))
return _("Option --veracrypt-pim is supported only for VeraCrypt compatible devices.");
if (ARG_SET(OPT_VERACRYPT_QUERY_PIM_ID)) {
if (ARG_SET(OPT_DISABLE_VERACRYPT_ID))
return _("Option --veracrypt-query-pim is supported only for VeraCrypt compatible devices.");
else if (ARG_SET(OPT_VERACRYPT_PIM_ID))
return _("The options --veracrypt-pim and --veracrypt-query-pim are mutually exclusive.");
}
return NULL;
}
static const char * verify_open(void)
{
if (ARG_SET(OPT_PERSISTENT_ID) && ARG_SET(OPT_TEST_PASSPHRASE_ID))
return _("Option --persistent is not allowed with --test-passphrase.");
if (ARG_SET(OPT_REFRESH_ID) && ARG_SET(OPT_TEST_PASSPHRASE_ID))
return _("Options --refresh and --test-passphrase are mutually exclusive.");
if (ARG_SET(OPT_SHARED_ID) && strcmp_or_null(device_type, "plain"))
return _("Option --shared is allowed only for open of plain device.");
if (ARG_SET(OPT_SKIP_ID) && strcmp_or_null(device_type, "plain") && strcmp(device_type, "loopaes"))
return _("Option --skip is supported only for open of plain and loopaes devices.");
if (ARG_SET(OPT_OFFSET_ID) && strcmp_or_null(device_type, "plain") && strcmp(device_type, "loopaes"))
return _("Option --offset with open action is only supported for plain and loopaes devices.");
if (ARG_SET(OPT_TCRYPT_HIDDEN_ID) && ARG_SET(OPT_ALLOW_DISCARDS_ID))
return _("Option --tcrypt-hidden cannot be combined with --allow-discards.");
if (ARG_SET(OPT_SECTOR_SIZE_ID) &&
(!device_type || strcmp(device_type, "plain")))
return _("Sector size option with open action is supported only for plain devices.");
if (ARG_SET(OPT_IV_LARGE_SECTORS_ID) && (!device_type || strcmp(device_type, "plain") ||
ARG_UINT32(OPT_SECTOR_SIZE_ID) <= SECTOR_SIZE))
return _("Large IV sectors option is supported only for opening plain type device with sector size larger than 512 bytes.");
if (ARG_SET(OPT_TEST_PASSPHRASE_ID) && (!device_type ||
(strncmp(device_type, "luks", 4) && strcmp(device_type, "tcrypt") && strcmp(device_type, "bitlk"))))
return _("Option --test-passphrase is allowed only for open of LUKS, TCRYPT and BITLK devices.");
if (ARG_SET(OPT_DEVICE_SIZE_ID) && ARG_SET(OPT_SIZE_ID))
return _("Options --device-size and --size cannot be combined.");
if (ARG_SET(OPT_UNBOUND_ID) && device_type && strncmp(device_type, "luks", 4))
return _("Option --unbound is allowed only for open of luks device.");
if (ARG_SET(OPT_UNBOUND_ID) && !ARG_SET(OPT_TEST_PASSPHRASE_ID))
return _("Option --unbound cannot be used without --test-passphrase.");
/* "open --type tcrypt" and "tcryptDump" checks are identical */
return verify_tcryptdump();
}
static const char *verify_close(void)
{
if (ARG_SET(OPT_CANCEL_DEFERRED_ID) && ARG_SET(OPT_DEFERRED_ID))
return _("Options --cancel-deferred and --deferred cannot be used at the same time.");
return NULL;
}
static const char *verify_resize(void)
{
if (ARG_SET(OPT_DEVICE_SIZE_ID) && ARG_SET(OPT_SIZE_ID))
return _("Options --device-size and --size cannot be combined.");
return NULL;
}
static const char *verify_reencrypt(void)
{
if (ARG_SET(OPT_REDUCE_DEVICE_SIZE_ID) && ARG_SET(OPT_DEVICE_SIZE_ID))
return _("Options --reduce-device-size and --data-size cannot be combined.");
return NULL;
}
static const char *verify_config(void)
{
if (ARG_SET(OPT_PRIORITY_ID) && ARG_INT32(OPT_KEY_SLOT_ID) == CRYPT_ANY_SLOT)
return _("Keyslot specification is required.");
return NULL;
}
static const char *verify_format(void)
{
if (ARG_SET(OPT_ALIGN_PAYLOAD_ID) && ARG_SET(OPT_OFFSET_ID))
return _("Options --align-payload and --offset cannot be combined.");
if (ARG_SET(OPT_INTEGRITY_NO_WIPE_ID) && !ARG_SET(OPT_INTEGRITY_ID))
return _("Option --integrity-no-wipe can be used only for format action with integrity extension.");
if (ARG_SET(OPT_USE_RANDOM_ID) && ARG_SET(OPT_USE_URANDOM_ID))
return _("Only one of --use-[u]random options is allowed.");
return NULL;
}
static const char *verify_addkey(void)
{
if (ARG_SET(OPT_UNBOUND_ID) && !ARG_UINT32(OPT_KEY_SIZE_ID))
return _("Key size is required with --unbound option.");
return NULL;
}
static const char *verify_luksDump(void)
{
if (ARG_SET(OPT_UNBOUND_ID) && ARG_INT32(OPT_KEY_SLOT_ID) == CRYPT_ANY_SLOT)
return _("Keyslot specification is required.");
return NULL;
}
static const char *verify_token(void)
{
if (strcmp(action_argv[0], "add") &&
strcmp(action_argv[0], "remove") &&
strcmp(action_argv[0], "import") &&
strcmp(action_argv[0], "export"))
return _("Invalid token action.");
if (!ARG_SET(OPT_KEY_DESCRIPTION_ID) && !strcmp(action_argv[0], "add"))
return _("--key-description parameter is mandatory for token add action.");
if (ARG_INT32(OPT_TOKEN_ID_ID) == CRYPT_ANY_TOKEN &&
(!strcmp(action_argv[0], "remove") || !strcmp(action_argv[0], "export")))
return _("Action requires specific token. Use --token-id parameter.");
return NULL;
}
static struct action_type {
const char *type;
int (*handler)(void);
const char *(*verify)(void);
int required_action_argc;
int required_memlock;
const char *arg_desc;
const char *desc;
} action_types[] = {
{ OPEN_ACTION, action_open, verify_open, 1, 1, N_("<device> [--type <type>] [<name>]"),N_("open device as <name>") },
{ CLOSE_ACTION, action_close, verify_close, 1, 1, N_("<name>"), N_("close device (remove mapping)") },
{ RESIZE_ACTION, action_resize, verify_resize, 1, 1, N_("<name>"), N_("resize active device") },
{ STATUS_ACTION, action_status, NULL, 1, 0, N_("<name>"), N_("show device status") },
{ BENCHMARK_ACTION, action_benchmark, NULL, 0, 0, N_("[--cipher <cipher>]"), N_("benchmark cipher") },
{ REPAIR_ACTION, action_luksRepair, NULL, 1, 1, N_("<device>"), N_("try to repair on-disk metadata") },
{ REENCRYPT_ACTION, action_reencrypt, verify_reencrypt, 0, 0, N_("<device>"), N_("reencrypt LUKS2 device") },
{ ERASE_ACTION, action_luksErase, NULL, 1, 1, N_("<device>"), N_("erase all keyslots (remove encryption key)") },
{ CONVERT_ACTION, action_luksConvert, NULL, 1, 1, N_("<device>"), N_("convert LUKS from/to LUKS2 format") },
{ CONFIG_ACTION, action_luksConfig, verify_config, 1, 1, N_("<device>"), N_("set permanent configuration options for LUKS2") },
{ FORMAT_ACTION, action_luksFormat, verify_format, 1, 1, N_("<device> [<new key file>]"), N_("formats a LUKS device") },
{ ADDKEY_ACTION, action_luksAddKey, verify_addkey, 1, 1, N_("<device> [<new key file>]"), N_("add key to LUKS device") },
{ REMOVEKEY_ACTION, action_luksRemoveKey, NULL, 1, 1, N_("<device> [<key file>]"), N_("removes supplied key or key file from LUKS device") },
{ CHANGEKEY_ACTION, action_luksChangeKey, NULL, 1, 1, N_("<device> [<key file>]"), N_("changes supplied key or key file of LUKS device") },
{ CONVERTKEY_ACTION, action_luksConvertKey, NULL, 1, 1, N_("<device> [<key file>]"), N_("converts a key to new pbkdf parameters") },
{ KILLKEY_ACTION, action_luksKillSlot, NULL, 2, 1, N_("<device> <key slot>"), N_("wipes key with number <key slot> from LUKS device") },
{ UUID_ACTION, action_luksUUID, NULL, 1, 0, N_("<device>"), N_("print UUID of LUKS device") },
{ ISLUKS_ACTION, action_isLuks, NULL, 1, 0, N_("<device>"), N_("tests <device> for LUKS partition header") },
{ LUKSDUMP_ACTION, action_luksDump, verify_luksDump, 1, 1, N_("<device>"), N_("dump LUKS partition information") },
{ TCRYPTDUMP_ACTION, action_tcryptDump, verify_tcryptdump, 1, 1, N_("<device>"), N_("dump TCRYPT device information") },
{ BITLKDUMP_ACTION, action_bitlkDump, NULL, 1, 1, N_("<device>"), N_("dump BITLK device information") },
{ SUSPEND_ACTION, action_luksSuspend, NULL, 1, 1, N_("<device>"), N_("Suspend LUKS device and wipe key (all IOs are frozen)") },
{ RESUME_ACTION, action_luksResume, NULL, 1, 1, N_("<device>"), N_("Resume suspended LUKS device") },
{ HEADERBACKUP_ACTION, action_luksBackup, NULL, 1, 1, N_("<device>"), N_("Backup LUKS device header and keyslots") },
{ HEADERRESTORE_ACTION, action_luksRestore, NULL, 1, 1, N_("<device>"), N_("Restore LUKS device header and keyslots") },
{ TOKEN_ACTION, action_token, verify_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)))
{
const char *path;
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, bitlkOpen\n"
"\tclose: remove (plainClose), luksClose, loopaesClose, tcryptClose, bitlkClose\n"));
log_std(_("\n"
"<name> is the device to create under %s\n"
"<device> is the encrypted device\n"
"<key slot> is the LUKS key slot number to modify\n"
"<key file> optional key file for the new key for luksAddKey action\n"),
crypt_get_dir());
log_std(_("\nDefault compiled-in metadata format is %s (for luksFormat action).\n"),
crypt_get_default_type());
path = crypt_token_external_path();
if (path) {
log_std(_("\nLUKS2 external token plugin support is %s.\n"), _("compiled-in"));
log_std(_("LUKS2 external token plugin path: %s.\n"), path);
} else
log_std(_("\nLUKS2 external token plugin support is %s.\n"), _("disabled"));
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
tools_cleanup();
poptFreeContext(popt_context);
exit(EXIT_SUCCESS);
} else if (key->shortName == 'V') {
log_std("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
tools_cleanup();
poptFreeContext(popt_context);
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];
if (snprintf(buf, sizeof(buf), _("%s: requires %s as arguments"), action->type, action->arg_desc) < 0)
buf[0] = '\0';
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 const char *verify_action(struct action_type *action)
{
log_dbg("Verifying parameters for command %s.", action->type);
return action->verify ? action->verify() : NULL;
}
static bool needs_size_conversion(unsigned arg_id)
{
return (arg_id == OPT_DEVICE_SIZE_ID || arg_id == OPT_HOTZONE_SIZE_ID ||
arg_id == OPT_LUKS2_KEYSLOTS_SIZE_ID || arg_id == OPT_LUKS2_METADATA_SIZE_ID ||
arg_id == OPT_REDUCE_DEVICE_SIZE_ID);
}
static void check_key_slot_value(poptContext popt_context)
{
if (ARG_INT32(OPT_KEY_SLOT_ID) < 0)
usage(popt_context, EXIT_FAILURE, _("Key slot is invalid."),
poptGetInvocationName(popt_context));
}
static void basic_options_cb(poptContext popt_context,
enum poptCallbackReason reason __attribute__((unused)),
struct poptOption *key,
const char *arg,
void *data __attribute__((unused)))
{
tools_parse_arg_value(popt_context, tool_core_args[key->val].type, tool_core_args + key->val, arg, key->val, needs_size_conversion);
/* special cases additional handling */
switch (key->val) {
case OPT_DEBUG_JSON_ID:
/* fall through */
case OPT_DEBUG_ID:
log_parms.debug = true;
/* fall through */
case OPT_VERBOSE_ID:
log_parms.verbose = true;
break;
case OPT_DEVICE_SIZE_ID:
if (ARG_UINT64(OPT_DEVICE_SIZE_ID) == 0)
usage(popt_context, EXIT_FAILURE, poptStrerror(POPT_ERROR_BADNUMBER),
poptGetInvocationName(popt_context));
if (ARG_UINT64(OPT_DEVICE_SIZE_ID) % SECTOR_SIZE)
usage(popt_context, EXIT_FAILURE, _("Device size must be multiple of 512 bytes sector."),
poptGetInvocationName(popt_context));
break;
case OPT_HOTZONE_SIZE_ID:
if (ARG_UINT64(OPT_HOTZONE_SIZE_ID) == 0)
usage(popt_context, EXIT_FAILURE, _("Invalid max reencryption hotzone size specification."),
poptGetInvocationName(popt_context));
break;
case OPT_KEY_FILE_ID:
if (tools_is_stdin(ARG_STR(OPT_KEY_FILE_ID))) {
free(keyfile_stdin);
keyfile_stdin = strdup(ARG_STR(OPT_KEY_FILE_ID));
} else if (keyfiles_count < MAX_KEYFILES)
keyfiles[keyfiles_count++] = strdup(ARG_STR(OPT_KEY_FILE_ID));
total_keyfiles++;
break;
case OPT_KEY_SIZE_ID:
if (ARG_UINT32(OPT_KEY_SIZE_ID) % 8)
usage(popt_context, EXIT_FAILURE,
_("Key size must be a multiple of 8 bits"),
poptGetInvocationName(popt_context));
break;
case OPT_KEY_SLOT_ID:
check_key_slot_value(popt_context);
break;
case OPT_KEYSLOT_KEY_SIZE_ID:
if (ARG_UINT32(OPT_KEYSLOT_KEY_SIZE_ID) == 0)
usage(popt_context, EXIT_FAILURE, poptStrerror(POPT_ERROR_BADNUMBER),
poptGetInvocationName(popt_context));
if (ARG_UINT32(OPT_KEYSLOT_KEY_SIZE_ID) % 8)
usage(popt_context, EXIT_FAILURE,
_("Key size must be a multiple of 8 bits"),
poptGetInvocationName(popt_context));
break;
case OPT_NEW_ID:
ARG_SET_TRUE(OPT_ENCRYPT_ID);
break;
case OPT_REDUCE_DEVICE_SIZE_ID:
if (ARG_UINT64(OPT_REDUCE_DEVICE_SIZE_ID) > 1024 * 1024 * 1024)
usage(popt_context, EXIT_FAILURE, _("Maximum device reduce size is 1 GiB."),
poptGetInvocationName(popt_context));
if (ARG_UINT64(OPT_REDUCE_DEVICE_SIZE_ID) % SECTOR_SIZE)
usage(popt_context, EXIT_FAILURE, _("Reduce size must be multiple of 512 bytes sector."),
poptGetInvocationName(popt_context));
data_shift = -(int64_t)ARG_UINT64(OPT_REDUCE_DEVICE_SIZE_ID);
break;
case OPT_SECTOR_SIZE_ID:
if (ARG_UINT32(OPT_SECTOR_SIZE_ID) < SECTOR_SIZE ||
ARG_UINT32(OPT_SECTOR_SIZE_ID) > MAX_SECTOR_SIZE ||
(ARG_UINT32(OPT_SECTOR_SIZE_ID) & (ARG_UINT32(OPT_SECTOR_SIZE_ID) - 1)))
usage(popt_context, EXIT_FAILURE,
_("Unsupported encryption sector size."),
poptGetInvocationName(popt_context));
break;
case OPT_PRIORITY_ID:
if (strcmp(ARG_STR(OPT_PRIORITY_ID), "normal") &&
strcmp(ARG_STR(OPT_PRIORITY_ID), "prefer") &&
strcmp(ARG_STR(OPT_PRIORITY_ID), "ignore"))
usage(popt_context, EXIT_FAILURE,
_("Option --priority can be only ignore/normal/prefer."),
poptGetInvocationName(popt_context));
break;
}
}
int main(int argc, const char **argv)
{
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 },
{ "version",'V', POPT_ARG_NONE, NULL, 0, N_("Print package version"), NULL },
POPT_TABLEEND
};
static struct poptOption popt_basic_options[] = {
{ NULL, '\0', POPT_ARG_CALLBACK, basic_options_cb, 0, NULL, NULL },
#define ARG(A, B, C, D, E, F, G, H) { A, B, C, NULL, A ## _ID, D, E },
#include "cryptsetup_arg_list.h"
#undef arg
POPT_TABLEEND
};
static struct poptOption popt_options[] = {
{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, popt_help_options, 0, N_("Help options:"), NULL },
{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, popt_basic_options, 0, NULL, NULL },
POPT_TABLEEND
};
poptContext popt_context;
struct action_type *action;
const char *aname, *error_message;
int r;
crypt_set_log_callback(NULL, tool_log, &log_parms);
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) {}
if (r < -1)
usage(popt_context, EXIT_FAILURE, poptStrerror(r),
poptBadOption(popt_context, POPT_BADOPTION_NOALIAS));
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_ACTION;
device_type = "plain";
} else if (!strcmp(aname, "plainOpen")) {
aname = OPEN_ACTION;
device_type = "plain";
} else if (!strcmp(aname, "luksOpen")) {
aname = OPEN_ACTION;
device_type = "luks";
} else if (!strcmp(aname, "loopaesOpen")) {
aname = OPEN_ACTION;
device_type = "loopaes";
} else if (!strcmp(aname, "tcryptOpen")) {
aname = OPEN_ACTION;
device_type = "tcrypt";
} else if (!strcmp(aname, "bitlkOpen")) {
aname = OPEN_ACTION;
device_type = "bitlk";
} else if (!strcmp(aname, "tcryptDump")) {
device_type = "tcrypt";
} else if (!strcmp(aname, "bitlkDump")) {
device_type = "bitlk";
} else if (!strcmp(aname, "remove") ||
!strcmp(aname, "plainClose") ||
!strcmp(aname, "luksClose") ||
!strcmp(aname, "loopaesClose") ||
!strcmp(aname, "tcryptClose") ||
!strcmp(aname, "bitlkClose")) {
aname = CLOSE_ACTION;
} else if (!strcmp(aname, "luksErase")) {
aname = ERASE_ACTION;
device_type = "luks";
} else if (!strcmp(aname, "luksConfig")) {
aname = CONFIG_ACTION;
device_type = "luks2";
} else if (!strcmp(aname, "refresh")) {
aname = OPEN_ACTION;
ARG_SET_TRUE(OPT_REFRESH_ID);
} else if (ARG_SET(OPT_TYPE_ID))
device_type = ARG_STR(OPT_TYPE_ID);
/* ignore user supplied type and query device type instead */
if (ARG_SET(OPT_REFRESH_ID))
device_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);
/* this routine short circuits to exit() on error */
tools_check_args(action->type, tool_core_args, ARRAY_SIZE(tool_core_args), popt_context);
if (!strcmp(aname, KILLKEY_ACTION) && action_argc > 1) {
ARG_SET_INT32(OPT_KEY_SLOT_ID, atoi(action_argv[1]));
check_key_slot_value(popt_context);
}
if ((!strcmp(aname, REMOVEKEY_ACTION) ||
!strcmp(aname, FORMAT_ACTION)) &&
action_argc > 1) {
if (ARG_SET(OPT_KEY_FILE_ID))
log_err(_("Option --key-file takes precedence over specified key file argument."));
else
ARG_SET_STR(OPT_KEY_FILE_ID, strdup(action_argv[1]));
}
if (total_keyfiles > 1 && (strcmp_or_null(device_type, "tcrypt")))
usage(popt_context, EXIT_FAILURE, _("Only one --key-file argument is allowed."),
poptGetInvocationName(popt_context));
if (ARG_SET(OPT_PBKDF_ID) && crypt_parse_pbkdf(ARG_STR(OPT_PBKDF_ID), &set_pbkdf))
usage(popt_context, EXIT_FAILURE,
_("Password-based key derivation function (PBKDF) can be only pbkdf2 or argon2i/argon2id."),
poptGetInvocationName(popt_context));
if (ARG_SET(OPT_PBKDF_FORCE_ITERATIONS_ID) && ARG_SET(OPT_ITER_TIME_ID))
usage(popt_context, EXIT_FAILURE,
_("PBKDF forced iterations cannot be combined with iteration time option."),
poptGetInvocationName(popt_context));
if (ARG_SET(OPT_DEBUG_ID) || ARG_SET(OPT_DEBUG_JSON_ID)) {
crypt_set_debug_level(ARG_SET(OPT_DEBUG_JSON_ID)? CRYPT_DEBUG_JSON : CRYPT_DEBUG_ALL);
dbg_version_and_cmd(argc, argv);
}
/* reencrypt action specific check */
if (ARG_SET(OPT_KEYSLOT_CIPHER_ID) != ARG_SET(OPT_KEYSLOT_KEY_SIZE_ID))
usage(popt_context, EXIT_FAILURE, _("Options --keyslot-cipher and --keyslot-key-size must be used together."),
poptGetInvocationName(popt_context));
error_message = verify_action(action);
if (error_message)
usage(popt_context, EXIT_FAILURE, error_message, poptGetInvocationName(popt_context));
if (ARG_SET(OPT_TEST_ARGS_ID)) {
log_std(_("No action taken. Invoked with --test-args option.\n"));
tools_cleanup();
poptFreeContext(popt_context);
return 0;
}
if (ARG_SET(OPT_DISABLE_KEYRING_ID))
(void) crypt_volume_key_keyring(NULL, 0);
if (ARG_SET(OPT_DISABLE_EXTERNAL_TOKENS_ID))
(void) crypt_token_external_disable();
if (ARG_SET(OPT_DISABLE_LOCKS_ID) && crypt_metadata_locking(NULL, 0)) {
log_std(_("Cannot disable metadata locking."));
r = EXIT_FAILURE;
} else {
r = run_action(action);
}
tools_cleanup();
poptFreeContext(popt_context);
return r;
}
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