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-rw-r--r--src/veritysetup.c680
1 files changed, 680 insertions, 0 deletions
diff --git a/src/veritysetup.c b/src/veritysetup.c
new file mode 100644
index 0000000..8be81cc
--- /dev/null
+++ b/src/veritysetup.c
@@ -0,0 +1,680 @@
+/*
+ * veritysetup - setup cryptographic volumes for dm-verity
+ *
+ * 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
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "cryptsetup.h"
+#include "veritysetup_args.h"
+
+#define PACKAGE_VERITY "veritysetup"
+
+static const char **action_argv;
+static int action_argc;
+static struct tools_log_params log_parms;
+
+void tools_cleanup(void)
+{
+ 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)
+{
+ char *salt = NULL;
+ int len;
+
+ 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 (ARG_STR(OPT_SALT_ID) && !strcmp(ARG_STR(OPT_SALT_ID), "-")) {
+ params->salt_size = 0;
+ params->salt = NULL;
+ } 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_size = len;
+ params->salt = salt;
+ } else {
+ params->salt_size = DEFAULT_VERITY_SALT_SIZE;
+ params->salt = NULL;
+ }
+
+ 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(void)
+{
+ struct crypt_device *cd = NULL;
+ struct crypt_params_verity params = {};
+ uint32_t flags = CRYPT_VERITY_CREATE_HASH;
+ 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 (ARG_SET(OPT_NO_SUPERBLOCK_ID))
+ flags |= CRYPT_VERITY_NO_HEADER;
+
+ r = _prepare_format(&params, action_argv[0], flags);
+ if (r < 0)
+ goto out;
+
+ r = crypt_format(cd, CRYPT_VERITY, NULL, NULL, ARG_STR(OPT_UUID_ID), NULL, 0, &params);
+ 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;
+}
+
+static int _activate(const char *dm_device,
+ const char *data_device,
+ const char *hash_device,
+ const char *root_hash,
+ uint32_t flags)
+{
+ struct crypt_device *cd = NULL;
+ struct crypt_params_verity params = {};
+ uint32_t activate_flags = CRYPT_ACTIVATE_READONLY;
+ 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_data_device(&cd, hash_device, data_device)))
+ goto out;
+
+ 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 = 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, &params);
+ if (r)
+ log_err(_("Device %s is not a valid VERITY device."), hash_device);
+
+ } else {
+ r = _prepare_format(&params, data_device, flags | CRYPT_VERITY_NO_HEADER);
+ if (r < 0)
+ goto out;
+ r = crypt_format(cd, CRYPT_VERITY, NULL, NULL, NULL, NULL, 0, &params);
+ }
+ if (r < 0)
+ goto out;
+
+ 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;
+ }
+
+ 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,
+ hash_size,
+ signature, signature_size,
+ activate_flags);
+out:
+ 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_open(void)
+{
+ 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],
+ 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(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],
+ ARG_SET(OPT_ROOT_HASH_FILE_ID) ? NULL : action_argv[2],
+ CRYPT_VERITY_CHECK_HASH);
+}
+
+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_status(void)
+{
+ crypt_status_info ci;
+ struct crypt_active_device cad;
+ struct crypt_params_verity vp = {};
+ struct crypt_device *cd = NULL;
+ 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;
+
+ 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(void)
+{
+ struct crypt_device *cd = NULL;
+ struct crypt_params_verity params = {};
+ int r;
+
+ if ((r = crypt_init(&cd, action_argv[0])))
+ return r;
+
+ 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, &params);
+ 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 struct action_type {
+ const char *type;
+ 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, 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 }
+};
+
+static void help(poptContext popt_context,
+ enum poptCallbackReason reason __attribute__((unused)),
+ struct poptOption *key,
+ const char *arg __attribute__((unused)),
+ void *data __attribute__((unused)))
+{
+ struct action_type *action;
+
+ if (key->shortName == '?') {
+ tools_package_version(PACKAGE_VERITY, false);
+ 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"
+ "<name> is the device to create under %s\n"
+ "<data_device> is the data device\n"
+ "<hash_device> is the device containing verification data\n"
+ "<root_hash> hash of the root node on <hash_device>\n"),
+ crypt_get_dir());
+
+ log_std(_("\nDefault compiled-in dm-verity parameters:\n"
+ "\tHash: %s, Data block (bytes): %u, "
+ "Hash block (bytes): %u, Salt size: %u, Hash format: %u\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 int run_action(struct action_type *action)
+{
+ int r;
+
+ log_dbg("Running command %s.", action->type);
+
+ r = action->handler();
+
+ show_status(r);
+ return translate_errno(r);
+}
+
+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;
+ }
+}
+
+int main(int argc, const char **argv)
+{
+ 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 },
+ { NULL, '\0', POPT_ARG_INCLUDE_TABLE, popt_basic_options, 0, NULL, NULL },
+ POPT_TABLEEND
+ };
+
+ poptContext popt_context;
+ struct action_type *action;
+ const char *aname;
+ int r;
+
+ crypt_set_log_callback(NULL, tool_log, &log_parms);
+
+ setlocale(LC_ALL, "");
+ bindtextdomain(PACKAGE, LOCALEDIR);
+ textdomain(PACKAGE);
+
+ popt_context = poptGetContext("verity", 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") && 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];
+ 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));
+ }
+
+ 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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-07 14:08:16 +0000