/*
* veritysetup - setup cryptographic volumes for dm-verity
*
- * Copyright (C) 2012, Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2012-2023 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2012-2023 Milan Broz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-/* TODO:
- * - extend superblock (UUID)
- * - add api tests
- * - report in-kernel status outside libcryptsetup (extend api)
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <errno.h>
-#include <string.h>
-#include <popt.h>
-#include <limits.h>
-
#include "cryptsetup.h"
+#include "veritysetup_args.h"
#define PACKAGE_VERITY "veritysetup"
-static int use_superblock = 1; /* FIXME: no superblock not supported */
-
-static const char *hash_algorithm = NULL;
-static int version = 1;
-static int data_block_size = DEFAULT_VERITY_DATA_BLOCK;
-static int hash_block_size = DEFAULT_VERITY_HASH_BLOCK;
-static uint64_t data_blocks = 0;
-static const char *salt_string = NULL;
-static uint64_t hash_start = 0;
-
-static int opt_verbose = 0;
-static int opt_debug = 0;
-static int opt_version_mode = 0;
-
static const char **action_argv;
static int action_argc;
+static struct tools_log_params log_parms;
-static int hex_to_bytes(const char *hex, char *result)
-{
- char buf[3] = "xx\0", *endp;
- int i, len;
-
- len = strlen(hex) / 2;
- for (i = 0; i < len; i++) {
- memcpy(buf, &hex[i * 2], 2);
- result[i] = strtoul(buf, &endp, 16);
- if (endp != &buf[2])
- return -EINVAL;
- }
- return i;
-}
-
-__attribute__((format(printf, 5, 6)))
-static void clogger(struct crypt_device *cd, int level, const char *file,
- int line, const char *format, ...)
+void tools_cleanup(void)
{
- va_list argp;
- char *target = NULL;
-
- va_start(argp, format);
-
- if (vasprintf(&target, format, argp) > 0) {
- if (level >= 0) {
- crypt_log(cd, level, target);
-#ifdef CRYPT_DEBUG
- } else if (opt_debug)
- printf("# %s:%d %s\n", file ?: "?", line, target);
-#else
- } else if (opt_debug)
- printf("# %s\n", target);
-#endif
- }
-
- va_end(argp);
- free(target);
-}
-
-static void _log(int level, const char *msg, void *usrptr __attribute__((unused)))
-{
- switch(level) {
-
- case CRYPT_LOG_NORMAL:
- fputs(msg, stdout);
- break;
- case CRYPT_LOG_VERBOSE:
- if (opt_verbose)
- fputs(msg, stdout);
- break;
- case CRYPT_LOG_ERROR:
- fputs(msg, stderr);
- break;
- case CRYPT_LOG_DEBUG:
- if (opt_debug)
- printf("# %s\n", msg);
- break;
- default:
- fprintf(stderr, "Internal error on logging class for msg: %s", msg);
- break;
- }
+ tools_args_free(tool_core_args, ARRAY_SIZE(tool_core_args));
}
static int _prepare_format(struct crypt_params_verity *params,
const char *data_device,
uint32_t flags)
{
- static char salt_bytes[512];
+ char *salt = NULL;
+ int len;
- params->hash_name = hash_algorithm ?: DEFAULT_VERITY_HASH;
+ params->hash_name = ARG_STR(OPT_HASH_ID);
params->data_device = data_device;
+ params->fec_device = ARG_STR(OPT_FEC_DEVICE_ID);
+ params->fec_roots = ARG_UINT32(OPT_FEC_ROOTS_ID);
- if (salt_string && !strcmp(salt_string, "-")) {
+ if (ARG_STR(OPT_SALT_ID) && !strcmp(ARG_STR(OPT_SALT_ID), "-")) {
params->salt_size = 0;
params->salt = NULL;
- } else if (salt_string) {
- params->salt_size = strlen(salt_string) / 2;
- if (hex_to_bytes(salt_string, salt_bytes) != params->salt_size)
+ } else if (ARG_SET(OPT_SALT_ID)) {
+ len = crypt_hex_to_bytes(ARG_STR(OPT_SALT_ID), &salt, 0);
+ if (len < 0) {
+ log_err(_("Invalid salt string specified."));
return -EINVAL;
- params->salt = salt_bytes;
- } else
+ }
+ params->salt_size = len;
+ params->salt = salt;
+ } else {
params->salt_size = DEFAULT_VERITY_SALT_SIZE;
+ params->salt = NULL;
+ }
- params->data_block_size = data_block_size;
- params->hash_block_size = hash_block_size;
- params->data_size = data_blocks;
- params->hash_area_offset = hash_start;
- params->version = version;
+ params->data_block_size = ARG_UINT32(OPT_DATA_BLOCK_SIZE_ID);
+ params->hash_block_size = ARG_UINT32(OPT_HASH_BLOCK_SIZE_ID);
+ params->data_size = ARG_UINT64(OPT_DATA_BLOCKS_ID);
+ params->hash_area_offset = ARG_UINT64(OPT_HASH_OFFSET_ID);
+ params->fec_area_offset = ARG_UINT64(OPT_FEC_OFFSET_ID);
+ params->hash_type = ARG_UINT32(OPT_FORMAT_ID);
params->flags = flags;
return 0;
}
-static int action_format(int arg)
+static int action_format(void)
{
struct crypt_device *cd = NULL;
struct crypt_params_verity params = {};
uint32_t flags = CRYPT_VERITY_CREATE_HASH;
- int r;
+ char *root_hash_bytes = NULL;
+ size_t root_hash_size;
+ int root_hash_fd = -1, i, r;
+
+ /* Try to create hash image if doesn't exist */
+ r = open(action_argv[1], O_WRONLY | O_EXCL | O_CREAT, S_IRUSR | S_IWUSR);
+ if (r < 0 && errno != EEXIST) {
+ log_err(_("Cannot create hash image %s for writing."), action_argv[1]);
+ return -EINVAL;
+ } else if (r >= 0) {
+ log_dbg("Created hash image %s.", action_argv[1]);
+ close(r);
+ }
+ /* Try to create FEC image if doesn't exist */
+ if (ARG_SET(OPT_FEC_DEVICE_ID)) {
+ r = open(ARG_STR(OPT_FEC_DEVICE_ID), O_WRONLY | O_EXCL | O_CREAT, S_IRUSR | S_IWUSR);
+ if (r < 0 && errno != EEXIST) {
+ log_err(_("Cannot create FEC image %s for writing."), ARG_STR(OPT_FEC_DEVICE_ID));
+ return -EINVAL;
+ } else if (r >= 0) {
+ log_dbg("Created FEC image %s.", ARG_STR(OPT_FEC_DEVICE_ID));
+ close(r);
+ }
+ }
if ((r = crypt_init(&cd, action_argv[1])))
goto out;
- if (!use_superblock)
+ if (ARG_SET(OPT_NO_SUPERBLOCK_ID))
flags |= CRYPT_VERITY_NO_HEADER;
r = _prepare_format(¶ms, action_argv[0], flags);
if (r < 0)
goto out;
- r = crypt_format(cd, CRYPT_VERITY, NULL, NULL, NULL, NULL, 0, ¶ms);
- if (!r)
- crypt_dump(cd);
+ r = crypt_format(cd, CRYPT_VERITY, NULL, NULL, ARG_STR(OPT_UUID_ID), NULL, 0, ¶ms);
+ if (r < 0)
+ goto out;
+
+ crypt_dump(cd);
+
+ /* Create or overwrite the root hash file */
+ if (ARG_SET(OPT_ROOT_HASH_FILE_ID)) {
+ root_hash_size = crypt_get_volume_key_size(cd);
+ root_hash_bytes = malloc(root_hash_size);
+ if (!root_hash_bytes) {
+ r = -ENOMEM;
+ goto out;
+ }
+
+ r = crypt_volume_key_get(cd, CRYPT_ANY_SLOT, root_hash_bytes, &root_hash_size, NULL, 0);
+ if (r < 0)
+ goto out;
+
+ root_hash_fd = open(ARG_STR(OPT_ROOT_HASH_FILE_ID), O_WRONLY | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR);
+ if (root_hash_fd == -1) {
+ log_err(_("Cannot create root hash file %s for writing."), ARG_STR(OPT_ROOT_HASH_FILE_ID));
+ r = -EINVAL;
+ goto out;
+ }
+
+ for (i = 0; i < (int)root_hash_size; i++)
+ if (dprintf(root_hash_fd, "%02hhx", root_hash_bytes[i]) != 2) {
+ log_err(_("Cannot write to root hash file %s."), ARG_STR(OPT_ROOT_HASH_FILE_ID));
+ r = -EIO;
+ goto out;
+ }
+
+ log_dbg("Created root hash file %s.", ARG_STR(OPT_ROOT_HASH_FILE_ID));
+ }
out:
crypt_free(cd);
+ free(CONST_CAST(char*)params.salt);
+ free(root_hash_bytes);
+ if (root_hash_fd != -1)
+ close(root_hash_fd);
return r;
}
struct crypt_device *cd = NULL;
struct crypt_params_verity params = {};
uint32_t activate_flags = CRYPT_ACTIVATE_READONLY;
- char root_hash_bytes[128];
- int r;
+ char *root_hash_bytes = NULL, *root_hash_from_file = NULL;
+ ssize_t hash_size, hash_size_hex;
+ struct stat st;
+ char *signature = NULL;
+ int signature_size = 0, root_hash_fd = -1, r;
- if ((r = crypt_init(&cd, hash_device)))
+ if ((r = crypt_init_data_device(&cd, hash_device, data_device)))
goto out;
- if (use_superblock) {
+ if (ARG_SET(OPT_IGNORE_CORRUPTION_ID))
+ activate_flags |= CRYPT_ACTIVATE_IGNORE_CORRUPTION;
+ if (ARG_SET(OPT_RESTART_ON_CORRUPTION_ID))
+ activate_flags |= CRYPT_ACTIVATE_RESTART_ON_CORRUPTION;
+ if (ARG_SET(OPT_PANIC_ON_CORRUPTION_ID))
+ activate_flags |= CRYPT_ACTIVATE_PANIC_ON_CORRUPTION;
+ if (ARG_SET(OPT_IGNORE_ZERO_BLOCKS_ID))
+ activate_flags |= CRYPT_ACTIVATE_IGNORE_ZERO_BLOCKS;
+ if (ARG_SET(OPT_CHECK_AT_MOST_ONCE_ID))
+ activate_flags |= CRYPT_ACTIVATE_CHECK_AT_MOST_ONCE;
+ if (ARG_SET(OPT_USE_TASKLETS_ID))
+ activate_flags |= CRYPT_ACTIVATE_TASKLETS;
+
+ if (!ARG_SET(OPT_NO_SUPERBLOCK_ID)) {
params.flags = flags;
- params.hash_area_offset = hash_start;
+ params.hash_area_offset = ARG_UINT64(OPT_HASH_OFFSET_ID);
+ params.fec_area_offset = ARG_UINT64(OPT_FEC_OFFSET_ID);
+ params.fec_device = ARG_STR(OPT_FEC_DEVICE_ID);
+ params.fec_roots = ARG_UINT32(OPT_FEC_ROOTS_ID);
r = crypt_load(cd, CRYPT_VERITY, ¶ms);
+ if (r)
+ log_err(_("Device %s is not a valid VERITY device."), hash_device);
+
} else {
r = _prepare_format(¶ms, data_device, flags | CRYPT_VERITY_NO_HEADER);
if (r < 0)
}
if (r < 0)
goto out;
- r = crypt_set_data_device(cd, data_device);
- if (r < 0)
- goto out;
- if (hex_to_bytes(root_hash, root_hash_bytes) !=
- crypt_get_volume_key_size(cd)) {
+ hash_size = crypt_get_volume_key_size(cd);
+ hash_size_hex = 2 * hash_size;
+
+ if (!root_hash) {
+ root_hash_fd = open(ARG_STR(OPT_ROOT_HASH_FILE_ID), O_RDONLY);
+ if (root_hash_fd == -1) {
+ log_err(_("Cannot read root hash file %s."), ARG_STR(OPT_ROOT_HASH_FILE_ID));
+ goto out;
+ }
+
+ if (fstat(root_hash_fd, &st) || !S_ISREG(st.st_mode) || st.st_size < hash_size_hex) {
+ log_err(_("Invalid root hash file %s."), ARG_STR(OPT_ROOT_HASH_FILE_ID));
+ r = -EINVAL;
+ goto out;
+ }
+
+ root_hash_from_file = malloc(hash_size_hex + 1);
+ if (!root_hash_from_file) {
+ r = -ENOMEM;
+ goto out;
+ }
+
+ if (read_buffer(root_hash_fd, root_hash_from_file, hash_size_hex) != hash_size_hex) {
+ log_err(_("Cannot read root hash file %s."), root_hash_from_file);
+ goto out;
+ }
+
+ root_hash_from_file[hash_size_hex] = '\0';
+ root_hash = root_hash_from_file;
+ }
+
+ if (crypt_hex_to_bytes(root_hash, &root_hash_bytes, 0) != hash_size) {
+ log_err(_("Invalid root hash string specified."));
r = -EINVAL;
goto out;
}
- r = crypt_activate_by_volume_key(cd, dm_device,
+
+ if (ARG_SET(OPT_ROOT_HASH_SIGNATURE_ID)) {
+ // FIXME: check max file size
+ if (stat(ARG_STR(OPT_ROOT_HASH_SIGNATURE_ID), &st) || !S_ISREG(st.st_mode) || !st.st_size) {
+ log_err(_("Invalid signature file %s."), ARG_STR(OPT_ROOT_HASH_SIGNATURE_ID));
+ r = -EINVAL;
+ goto out;
+ }
+ signature_size = st.st_size;
+ r = tools_read_vk(ARG_STR(OPT_ROOT_HASH_SIGNATURE_ID), &signature, signature_size);
+ if (r < 0) {
+ log_err(_("Cannot read signature file %s."), ARG_STR(OPT_ROOT_HASH_SIGNATURE_ID));
+ goto out;
+ }
+ }
+ r = crypt_activate_by_signed_key(cd, dm_device,
root_hash_bytes,
- crypt_get_volume_key_size(cd),
+ hash_size,
+ signature, signature_size,
activate_flags);
out:
- if (!r)
- crypt_dump(cd);
+ crypt_safe_free(signature);
crypt_free(cd);
+ free(root_hash_from_file);
+ free(root_hash_bytes);
+ free(CONST_CAST(char*)params.salt);
+ if (root_hash_fd != -1)
+ close(root_hash_fd);
return r;
}
-static int action_create(int arg)
+static int action_open(void)
{
- return _activate(action_argv[0],
- action_argv[1],
+ if (action_argc < 4 && !ARG_SET(OPT_ROOT_HASH_FILE_ID)) {
+ log_err(_("Command requires <root_hash> or --root-hash-file option as argument."));
+ return -EINVAL;
+ }
+
+ return _activate(action_argv[1],
+ action_argv[0],
action_argv[2],
- action_argv[3], 0);
+ ARG_SET(OPT_ROOT_HASH_FILE_ID) ? NULL : action_argv[3],
+ ARG_SET(OPT_ROOT_HASH_SIGNATURE_ID) ? CRYPT_VERITY_ROOT_HASH_SIGNATURE : 0);
}
-static int action_verify(int arg)
+static int action_verify(void)
{
+ if (action_argc < 3 && !ARG_SET(OPT_ROOT_HASH_FILE_ID)) {
+ log_err(_("Command requires <root_hash> or --root-hash-file option as argument."));
+ return -EINVAL;
+ }
+
return _activate(NULL,
action_argv[0],
action_argv[1],
- action_argv[2],
+ ARG_SET(OPT_ROOT_HASH_FILE_ID) ? NULL : action_argv[2],
CRYPT_VERITY_CHECK_HASH);
}
-static int action_remove(int arg)
+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(cd, action_argv[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_status(int arg)
+static int action_status(void)
{
+ crypt_status_info ci;
+ struct crypt_active_device cad;
+ struct crypt_params_verity vp = {};
struct crypt_device *cd = NULL;
- int r;
+ struct stat st;
+ char *backing_file, *root_hash;
+ size_t root_hash_size;
+ unsigned path = 0;
+ int r = 0;
+
+ /* perhaps a path, not a dm device name */
+ if (strchr(action_argv[0], '/') && !stat(action_argv[0], &st))
+ 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], NULL);
+ if (r < 0)
+ goto out;
- r = crypt_init_by_name_and_header(&cd, action_argv[0], NULL);
- if (!r)
- r = crypt_dump(cd);
+ log_std(" type: %s\n", crypt_get_type(cd) ?: "n/a");
+
+ r = crypt_get_active_device(cd, action_argv[0], &cad);
+ if (r < 0)
+ goto out;
+
+ /* Print only VERITY type devices */
+ r = crypt_get_verity_info(cd, &vp);
+ if (r < 0)
+ goto out;
+
+ log_std(" status: %s%s\n",
+ cad.flags & CRYPT_ACTIVATE_CORRUPTED ? "corrupted" : "verified",
+ vp.flags & CRYPT_VERITY_ROOT_HASH_SIGNATURE ? " (with signature)" : "");
+
+ log_std(" hash type: %u\n", vp.hash_type);
+ log_std(" data block: %u\n", vp.data_block_size);
+ log_std(" hash block: %u\n", vp.hash_block_size);
+ log_std(" hash name: %s\n", vp.hash_name);
+ log_std(" salt: ");
+ if (vp.salt_size)
+ crypt_log_hex(NULL, vp.salt, vp.salt_size, "", 0, NULL);
+ else
+ log_std("-");
+ log_std("\n");
+
+ log_std(" data device: %s\n", vp.data_device);
+ if ((backing_file = crypt_loop_backing_file(vp.data_device))) {
+ log_std(" data loop: %s\n", backing_file);
+ free(backing_file);
+ }
+ log_std(" size: %" PRIu64 " sectors\n", cad.size);
+ log_std(" mode: %s\n", cad.flags & CRYPT_ACTIVATE_READONLY ?
+ "readonly" : "read/write");
+
+ log_std(" hash device: %s\n", vp.hash_device);
+ if ((backing_file = crypt_loop_backing_file(vp.hash_device))) {
+ log_std(" hash loop: %s\n", backing_file);
+ free(backing_file);
+ }
+ log_std(" hash offset: %" PRIu64 " sectors\n",
+ vp.hash_area_offset * vp.hash_block_size / 512);
+
+ if (vp.fec_device) {
+ log_std(" FEC device: %s\n", vp.fec_device);
+ if ((backing_file = crypt_loop_backing_file(ARG_STR(OPT_FEC_DEVICE_ID)))) {
+ log_std(" FEC loop: %s\n", backing_file);
+ free(backing_file);
+ }
+ log_std(" FEC offset: %" PRIu64 " sectors\n",
+ vp.fec_area_offset * vp.hash_block_size / 512);
+ log_std(" FEC roots: %u\n", vp.fec_roots);
+ }
+
+ root_hash_size = crypt_get_volume_key_size(cd);
+ if (root_hash_size > 0 && (root_hash = malloc(root_hash_size))) {
+ r = crypt_volume_key_get(cd, CRYPT_ANY_SLOT, root_hash, &root_hash_size, NULL, 0);
+ if (!r) {
+ log_std(" root hash: ");
+ crypt_log_hex(NULL, root_hash, root_hash_size, "", 0, NULL);
+ log_std("\n");
+ }
+ free(root_hash);
+ }
+
+ if (cad.flags & (CRYPT_ACTIVATE_IGNORE_CORRUPTION|
+ CRYPT_ACTIVATE_RESTART_ON_CORRUPTION|
+ CRYPT_ACTIVATE_PANIC_ON_CORRUPTION|
+ CRYPT_ACTIVATE_IGNORE_ZERO_BLOCKS|
+ CRYPT_ACTIVATE_CHECK_AT_MOST_ONCE|
+ CRYPT_ACTIVATE_TASKLETS))
+ log_std(" flags: %s%s%s%s%s%s\n",
+ (cad.flags & CRYPT_ACTIVATE_IGNORE_CORRUPTION) ? "ignore_corruption " : "",
+ (cad.flags & CRYPT_ACTIVATE_RESTART_ON_CORRUPTION) ? "restart_on_corruption " : "",
+ (cad.flags & CRYPT_ACTIVATE_PANIC_ON_CORRUPTION) ? "panic_on_corruption " : "",
+ (cad.flags & CRYPT_ACTIVATE_IGNORE_ZERO_BLOCKS) ? "ignore_zero_blocks " : "",
+ (cad.flags & CRYPT_ACTIVATE_CHECK_AT_MOST_ONCE) ? "check_at_most_once" : "",
+ (cad.flags & CRYPT_ACTIVATE_TASKLETS) ? "try_verify_in_tasklet" : "");
+ }
+out:
crypt_free(cd);
+ if (r == -ENOTSUP)
+ r = 0;
return r;
}
-static int action_dump(int arg)
+static int action_dump(void)
{
struct crypt_device *cd = NULL;
struct crypt_params_verity params = {};
if ((r = crypt_init(&cd, action_argv[0])))
return r;
- params.hash_area_offset = hash_start;
+ params.hash_area_offset = ARG_UINT64(OPT_HASH_OFFSET_ID);
+ params.fec_area_offset = ARG_UINT64(OPT_FEC_OFFSET_ID);
+ params.fec_device = ARG_STR(OPT_FEC_DEVICE_ID);
+ params.fec_roots = ARG_UINT32(OPT_FEC_ROOTS_ID);
+
r = crypt_load(cd, CRYPT_VERITY, ¶ms);
if (!r)
crypt_dump(cd);
+ else
+ log_err(_("Device %s is not a valid VERITY device."), action_argv[0]);
+
crypt_free(cd);
return r;
}
-static __attribute__ ((noreturn)) void usage(poptContext popt_context,
- int exitcode, const char *error,
- const char *more)
-{
- poptPrintUsage(popt_context, stderr, 0);
- if (error)
- log_err("%s: %s\n", more, error);
- poptFreeContext(popt_context);
- exit(exitcode);
-}
-
-static void _dbg_version_and_cmd(int argc, const char **argv)
-{
- int i;
-
- log_std("# %s %s processing \"", PACKAGE_VERITY, PACKAGE_VERSION);
- for (i = 0; i < argc; i++) {
- if (i)
- log_std(" ");
- log_std("%s", argv[i]);
- }
- log_std("\"\n");
-}
-
static struct action_type {
const char *type;
- int (*handler)(int);
+ int (*handler)(void);
int required_action_argc;
const char *arg_desc;
const char *desc;
} action_types[] = {
{ "format", action_format, 2, N_("<data_device> <hash_device>"),N_("format device") },
- { "verify", action_verify, 3, N_("<data_device> <hash_device> <root_hash>"),N_("verify device") },
- { "create", action_create, 4, N_("<name> <data_device> <hash_device> <root_hash>"),N_("create active device") },
- { "remove", action_remove, 1, N_("<name>"),N_("remove (deactivate) device") },
+ { "verify", action_verify, 2, N_("<data_device> <hash_device> [<root_hash>]"),N_("verify device") },
+ { "open", action_open, 3, N_("<data_device> <name> <hash_device> [<root_hash>]"),N_("open device as <name>") },
+ { "close", action_close, 1, N_("<name>"),N_("close device (remove mapping)") },
{ "status", action_status, 1, N_("<name>"),N_("show active device status") },
{ "dump", action_dump, 1, N_("<hash_device>"),N_("show on-disk information") },
{ NULL, NULL, 0, NULL, NULL }
struct action_type *action;
if (key->shortName == '?') {
- log_std("%s %s\n", PACKAGE_VERITY, PACKAGE_VERSION);
+ tools_package_version(PACKAGE_VERITY, false);
poptPrintHelp(popt_context, stdout, 0);
log_std(_("\n"
"<action> is one of:\n"));
DEFAULT_VERITY_HASH, DEFAULT_VERITY_DATA_BLOCK,
DEFAULT_VERITY_HASH_BLOCK, DEFAULT_VERITY_SALT_SIZE,
1);
+ tools_cleanup();
+ poptFreeContext(popt_context);
+ exit(EXIT_SUCCESS);
+ } else if (key->shortName == 'V') {
+ tools_package_version(PACKAGE_VERITY, false);
+ tools_cleanup();
+ poptFreeContext(popt_context);
exit(EXIT_SUCCESS);
} else
usage(popt_context, EXIT_SUCCESS, NULL, NULL);
}
-static void show_status(int errcode)
-{
- char error[256], *error_;
-
- if(!opt_verbose)
- return;
-
- if(!errcode) {
- log_std(_("Command successful.\n"));
- return;
- }
-
- crypt_get_error(error, sizeof(error));
-
- if (!error[0]) {
- error_ = strerror_r(-errcode, error, sizeof(error));
- if (error_ != error) {
- strncpy(error, error_, sizeof(error));
- error[sizeof(error) - 1] = '\0';
- }
- }
-
- log_err(_("Command failed with code %i"), -errcode);
- if (*error)
- log_err(": %s\n", error);
- else
- log_err(".\n");
-}
-
static int run_action(struct action_type *action)
{
int r;
log_dbg("Running command %s.", action->type);
- r = action->handler(0);
+ r = action->handler();
show_status(r);
+ return translate_errno(r);
+}
- /* Translate exit code to simple codes */
- switch (r) {
- case 0: r = EXIT_SUCCESS; break;
- case -EEXIST:
- case -EBUSY: r = 5; break;
- case -ENOTBLK:
- case -ENODEV: r = 4; break;
- case -ENOMEM: r = 3; break;
- case -EPERM: r = 2; break;
- case -EINVAL:
- case -ENOENT:
- case -ENOSYS:
- default: r = EXIT_FAILURE;
+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, NULL);
+
+ switch (key->val) {
+ case OPT_DEBUG_ID:
+ log_parms.debug = true;
+ /* fall through */
+ case OPT_VERBOSE_ID:
+ log_parms.verbose = true;
}
- return r;
}
int main(int argc, const char **argv)
{
- static char *popt_tmp;
+ static const char *null_action_argv[] = {NULL};
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 "veritysetup_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 },
- { "version", '\0', POPT_ARG_NONE, &opt_version_mode, 0, N_("Print package version"), NULL },
- { "verbose", 'v', POPT_ARG_NONE, &opt_verbose, 0, N_("Shows more detailed error messages"), NULL },
- { "debug", '\0', POPT_ARG_NONE, &opt_debug, 0, N_("Show debug messages"), NULL },
- { "no-superblock", 0, POPT_ARG_VAL, &use_superblock, 0, N_("Do not use verity superblock"), NULL },
- { "format", 0, POPT_ARG_INT, &version, 0, N_("Format type (1 - normal, 0 - original Chromium OS)"), N_("number") },
- { "data-block-size", 0, POPT_ARG_INT, &data_block_size, 0, N_("Block size on the data device"), N_("bytes") },
- { "hash-block-size", 0, POPT_ARG_INT, &hash_block_size, 0, N_("Block size on the hash device"), N_("bytes") },
- { "data-blocks", 0, POPT_ARG_STRING, &popt_tmp, 1, N_("The number of blocks in the data file"), N_("blocks") },
- { "hash-start", 0, POPT_ARG_STRING, &popt_tmp, 2, N_("Starting block on the hash device"), N_("512-byte sectors") },
- { "hash", 'h', POPT_ARG_STRING, &hash_algorithm, 0, N_("Hash algorithm"), N_("string") },
- { "salt", 's', POPT_ARG_STRING, &salt_string, 0, N_("Salt"), N_("hex string") },
+ { NULL, '\0', POPT_ARG_INCLUDE_TABLE, popt_basic_options, 0, NULL, NULL },
POPT_TABLEEND
};
poptContext popt_context;
struct action_type *action;
- const char *aname, *null_action_argv[] = {NULL};
+ const char *aname;
int r;
- crypt_set_log_callback(NULL, _log, NULL);
+ crypt_set_log_callback(NULL, tool_log, &log_parms);
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
popt_context = poptGetContext("verity", argc, argv, popt_options, 0);
poptSetOtherOptionHelp(popt_context,
- N_("[OPTION...] <action> <action-specific>"));
-
- while((r = poptGetNextOpt(popt_context)) > 0) {
- unsigned long long ull_value;
- char *endp;
-
- errno = 0;
- ull_value = strtoull(popt_tmp, &endp, 0);
- if (*endp || !*popt_tmp ||
- (errno == ERANGE && ull_value == ULLONG_MAX) ||
- (errno != 0 && ull_value == 0))
- r = POPT_ERROR_BADNUMBER;
-
- switch(r) {
- case 1:
- data_blocks = ull_value;
- break;
- case 2:
- hash_start = ull_value * 512;
- break;
- }
+ _("[OPTION...] <action> <action-specific>"));
- if (r < 0)
- break;
- }
+ while((r = poptGetNextOpt(popt_context)) > 0) {}
if (r < -1)
usage(popt_context, EXIT_FAILURE, poptStrerror(r),
poptBadOption(popt_context, POPT_BADOPTION_NOALIAS));
- if (opt_version_mode) {
- log_std("%s %s\n", PACKAGE_VERITY, PACKAGE_VERSION);
- poptFreeContext(popt_context);
- exit(EXIT_SUCCESS);
- }
-
if (!(aname = poptGetArg(popt_context)))
usage(popt_context, EXIT_FAILURE, _("Argument <action> missing."),
poptGetInvocationName(popt_context));
- for(action = action_types; action->type; action++)
- if (strcmp(action->type, aname) == 0)
- break;
- if (!action->type)
- usage(popt_context, EXIT_FAILURE, _("Unknown action."),
- poptGetInvocationName(popt_context));
action_argc = 0;
action_argv = poptGetArgs(popt_context);
while(action_argv[action_argc] != NULL)
action_argc++;
- if(action_argc < action->required_action_argc) {
+ /* Handle aliases */
+ if (!strcmp(aname, "create") && action_argc > 1) {
+ /* 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";
+ } else if (!strcmp(aname, "remove")) {
+ aname = "close";
+ }
+
+ 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) {
char buf[128];
- snprintf(buf, 128,_("%s: requires %s as arguments"), action->type, action->arg_desc);
+ if (snprintf(buf, 128,_("%s: requires %s as arguments"), action->type, action->arg_desc) < 0)
+ buf[0] = '\0';
usage(popt_context, EXIT_FAILURE, buf,
poptGetInvocationName(popt_context));
}
- if (opt_debug) {
- opt_verbose = 1;
- crypt_set_debug_level(-1);
- _dbg_version_and_cmd(argc, argv);
+ tools_check_args(action->type, tool_core_args, ARRAY_SIZE(tool_core_args), popt_context);
+
+ if (ARG_SET(OPT_IGNORE_CORRUPTION_ID) && ARG_SET(OPT_RESTART_ON_CORRUPTION_ID))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --ignore-corruption and --restart-on-corruption cannot be used together."),
+ poptGetInvocationName(popt_context));
+
+ if (ARG_SET(OPT_PANIC_ON_CORRUPTION_ID) && ARG_SET(OPT_RESTART_ON_CORRUPTION_ID))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --panic-on-corruption and --restart-on-corruption cannot be used together."),
+ poptGetInvocationName(popt_context));
+
+ if (ARG_SET(OPT_CANCEL_DEFERRED_ID) && ARG_SET(OPT_DEFERRED_ID))
+ usage(popt_context, EXIT_FAILURE,
+ _("Options --cancel-deferred and --deferred cannot be used at the same time."),
+ poptGetInvocationName(popt_context));
+
+ if (ARG_SET(OPT_DEBUG_ID)) {
+ crypt_set_debug_level(CRYPT_DEBUG_ALL);
+ dbg_version_and_cmd(argc, argv);
}
r = run_action(action);
+ tools_cleanup();
poptFreeContext(popt_context);
return r;
}
projects / platform / upstream / cryptsetup.git / blobdiff