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-rw-r--r--src/integritysetup.c744
1 files changed, 744 insertions, 0 deletions
diff --git a/src/integritysetup.c b/src/integritysetup.c
new file mode 100644
index 0000000..61b166a
--- /dev/null
+++ b/src/integritysetup.c
@@ -0,0 +1,744 @@
+/*
+ * integritysetup - setup integrity protected volumes for dm-integrity
+ *
+ * Copyright (C) 2017-2021 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2017-2021 Milan Broz
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "cryptsetup.h"
+#include <uuid/uuid.h>
+
+#define PACKAGE_INTEGRITY "integritysetup"
+
+#define DEFAULT_ALG_NAME "crc32c"
+
+static char *opt_data_device = NULL;
+static char *opt_integrity = NULL; /* DEFAULT_ALG_NAME */
+static char *opt_integrity_key_file = NULL;
+static char *opt_journal_integrity = NULL; /* none */
+static char *opt_journal_integrity_key_file = NULL;
+static char *opt_journal_crypt = NULL; /* none */
+static char *opt_journal_crypt_key_file = NULL;
+
+/* helper strings converted to uint64_t later */
+static char *opt_journal_size_str = NULL;
+
+static uint64_t opt_journal_size = 0;
+
+static int opt_interleave_sectors = 0;
+static int opt_journal_watermark = 0;
+static int opt_bitmap_sectors_per_bit = 0;
+static int opt_journal_commit_time = 0;
+static int opt_bitmap_flush_time = 0;
+static int opt_tag_size = 0;
+static int opt_sector_size = 0;
+static int opt_buffer_sectors = 0;
+static int opt_no_wipe = 0;
+static int opt_integrity_key_size = 0;
+static int opt_journal_integrity_key_size = 0;
+static int opt_journal_crypt_key_size = 0;
+static int opt_integrity_nojournal = 0;
+static int opt_integrity_recovery = 0;
+static int opt_integrity_bitmap = 0;
+static int opt_integrity_legacy_padding = 0;
+static int opt_integrity_legacy_hmac = 0;
+static int opt_integrity_legacy_recalculate = 0;
+static int opt_integrity_recalculate = 0;
+static int opt_allow_discards = 0;
+
+static const char *integrity_alg = DEFAULT_ALG_NAME;
+static const char **action_argv;
+static int action_argc;
+
+void tools_cleanup(void)
+{
+ FREE_AND_NULL(opt_data_device);
+ FREE_AND_NULL(opt_integrity);
+ FREE_AND_NULL(opt_integrity_key_file);
+ FREE_AND_NULL(opt_journal_integrity);
+ FREE_AND_NULL(opt_journal_integrity_key_file);
+ FREE_AND_NULL(opt_journal_crypt);
+ FREE_AND_NULL(opt_journal_crypt_key_file);
+ FREE_AND_NULL(opt_journal_size_str);
+}
+
+// FIXME: move this to tools and handle EINTR
+static int _read_mk(const char *file, char **key, int keysize)
+{
+ int fd;
+
+ if (keysize <= 0 || keysize > (DEFAULT_INTEGRITY_KEYFILE_SIZE_MAXKB * 1024)) {
+ log_err(_("Invalid key size. Maximum is %u bytes."), DEFAULT_INTEGRITY_KEYFILE_SIZE_MAXKB * 1024);
+ return -EINVAL;
+ }
+
+ *key = crypt_safe_alloc(keysize);
+ if (!*key)
+ return -ENOMEM;
+
+ fd = open(file, O_RDONLY);
+ if (fd == -1) {
+ log_err(_("Cannot read keyfile %s."), file);
+ goto fail;
+ }
+ if ((read(fd, *key, keysize) != keysize)) {
+ log_err(_("Cannot read %d bytes from keyfile %s."), keysize, file);
+ close(fd);
+ goto fail;
+ }
+ close(fd);
+ return 0;
+fail:
+ crypt_safe_free(*key);
+ *key = NULL;
+ return -EINVAL;
+}
+
+static int _read_keys(char **integrity_key, struct crypt_params_integrity *params)
+{
+ char *int_key = NULL, *journal_integrity_key = NULL, *journal_crypt_key = NULL;
+ int r;
+
+ if (integrity_key && opt_integrity_key_file) {
+ r = _read_mk(opt_integrity_key_file, &int_key, opt_integrity_key_size);
+ if (r < 0)
+ return r;
+ params->integrity_key_size = opt_integrity_key_size;
+ }
+
+ if (opt_journal_integrity_key_file) {
+ r = _read_mk(opt_journal_integrity_key_file, &journal_integrity_key, opt_journal_integrity_key_size);
+ if (r < 0) {
+ crypt_safe_free(int_key);
+ return r;
+ }
+ params->journal_integrity_key = journal_integrity_key;
+ params->journal_integrity_key_size = opt_journal_integrity_key_size;
+ }
+
+ if (opt_journal_crypt_key_file) {
+ r = _read_mk(opt_journal_crypt_key_file, &journal_crypt_key, opt_journal_crypt_key_size);
+ if (r < 0) {
+ crypt_safe_free(int_key);
+ crypt_safe_free(journal_integrity_key);
+ return r;
+ }
+ params->journal_crypt_key = journal_crypt_key;
+ params->journal_crypt_key_size = opt_journal_crypt_key_size;
+ }
+
+ if (integrity_key)
+ *integrity_key = int_key;
+
+ return 0;
+}
+
+static int _wipe_data_device(struct crypt_device *cd, const char *integrity_key)
+{
+ char tmp_name[64], tmp_path[128], tmp_uuid[40];
+ uuid_t tmp_uuid_bin;
+ int r;
+
+ if (!opt_batch_mode)
+ log_std(_("Wiping device to initialize integrity checksum.\n"
+ "You can interrupt this by pressing CTRL+c "
+ "(rest of not wiped device will contain invalid checksum).\n"));
+
+ /* Activate the device a temporary one */
+ uuid_generate(tmp_uuid_bin);
+ uuid_unparse(tmp_uuid_bin, tmp_uuid);
+ if (snprintf(tmp_name, sizeof(tmp_name), "temporary-cryptsetup-%s", tmp_uuid) < 0)
+ return -EINVAL;
+ if (snprintf(tmp_path, sizeof(tmp_path), "%s/%s", crypt_get_dir(), tmp_name) < 0)
+ return -EINVAL;
+
+ r = crypt_activate_by_volume_key(cd, tmp_name, integrity_key,
+ opt_integrity_key_size, CRYPT_ACTIVATE_PRIVATE | CRYPT_ACTIVATE_NO_JOURNAL);
+ if (r < 0)
+ return r;
+
+ /* Wipe the device */
+ set_int_handler(0);
+ r = crypt_wipe(cd, tmp_path, CRYPT_WIPE_ZERO, 0, 0, DEFAULT_WIPE_BLOCK,
+ 0, &tools_wipe_progress, NULL);
+ if (crypt_deactivate(cd, tmp_name))
+ log_err(_("Cannot deactivate temporary device %s."), tmp_path);
+ set_int_block(0);
+
+ return r;
+}
+
+static int action_format(int arg)
+{
+ struct crypt_device *cd = NULL;
+ struct crypt_params_integrity params = {
+ .journal_size = opt_journal_size,
+ .interleave_sectors = opt_interleave_sectors,
+ /* in bitmap mode we have to overload these values... */
+ .journal_watermark = opt_integrity_bitmap ? opt_bitmap_sectors_per_bit : opt_journal_watermark,
+ .journal_commit_time = opt_integrity_bitmap ? opt_bitmap_flush_time : opt_journal_commit_time,
+ .buffer_sectors = opt_buffer_sectors,
+ .tag_size = opt_tag_size,
+ .sector_size = opt_sector_size ?: SECTOR_SIZE,
+ }, params2;
+ char integrity[MAX_CIPHER_LEN], journal_integrity[MAX_CIPHER_LEN], journal_crypt[MAX_CIPHER_LEN];
+ char *integrity_key = NULL, *msg = NULL;
+ int r;
+ size_t signatures;
+
+ r = crypt_parse_hash_integrity_mode(integrity_alg, integrity);
+ if (r < 0) {
+ log_err(_("No known integrity specification pattern detected."));
+ return r;
+ }
+ params.integrity = integrity;
+
+ if (opt_journal_integrity) {
+ r = crypt_parse_hash_integrity_mode(opt_journal_integrity, journal_integrity);
+ if (r < 0) {
+ log_err(_("No known integrity specification pattern detected."));
+ return r;
+ }
+ params.journal_integrity = journal_integrity;
+ }
+
+ if (opt_journal_crypt) {
+ r = crypt_parse_hash_integrity_mode(opt_journal_crypt, journal_crypt);
+ if (r < 0) {
+ log_err(_("No known integrity specification pattern detected."));
+ return r;
+ }
+ params.journal_crypt = journal_crypt;
+ }
+
+ r = _read_keys(&integrity_key, &params);
+ if (r)
+ goto out;
+
+ r = crypt_init_data_device(&cd, action_argv[0], opt_data_device);
+ if (r < 0)
+ goto out;
+
+ r = asprintf(&msg, _("This will overwrite data on %s irrevocably."), 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;
+
+ r = tools_detect_signatures(action_argv[0], 0, &signatures);
+ if (r < 0)
+ goto out;
+
+ /* Signature candidates found */
+ if (signatures && ((r = tools_wipe_all_signatures(action_argv[0])) < 0))
+ goto out;
+
+ if (opt_integrity_legacy_padding)
+ crypt_set_compatibility(cd, CRYPT_COMPAT_LEGACY_INTEGRITY_PADDING);
+
+ if (opt_integrity_legacy_hmac)
+ crypt_set_compatibility(cd, CRYPT_COMPAT_LEGACY_INTEGRITY_HMAC);
+
+ r = crypt_format(cd, CRYPT_INTEGRITY, NULL, NULL, NULL, NULL, 0, &params);
+ if (r < 0) /* FIXME: call wipe signatures again */
+ goto out;
+
+ if (!opt_batch_mode && !crypt_get_integrity_info(cd, &params2))
+ log_std(_("Formatted with tag size %u, internal integrity %s.\n"),
+ params2.tag_size, params2.integrity);
+
+ if (!opt_no_wipe)
+ r = _wipe_data_device(cd, integrity_key);
+out:
+ crypt_safe_free(integrity_key);
+ crypt_safe_free(CONST_CAST(void*)params.journal_integrity_key);
+ crypt_safe_free(CONST_CAST(void*)params.journal_crypt_key);
+ crypt_free(cd);
+ return r;
+}
+
+static int action_open(int arg)
+{
+ struct crypt_device *cd = NULL;
+ struct crypt_params_integrity params = {
+ /* in bitmap mode we have to overload these values... */
+ .journal_watermark = opt_integrity_bitmap ? opt_bitmap_sectors_per_bit : opt_journal_watermark,
+ .journal_commit_time = opt_integrity_bitmap ? opt_bitmap_flush_time : opt_journal_commit_time,
+ .buffer_sectors = opt_buffer_sectors,
+ };
+ uint32_t activate_flags = 0;
+ char integrity[MAX_CIPHER_LEN], journal_integrity[MAX_CIPHER_LEN], journal_crypt[MAX_CIPHER_LEN];
+ char *integrity_key = NULL;
+ int r;
+
+ r = crypt_parse_hash_integrity_mode(integrity_alg, integrity);
+ if (r < 0) {
+ log_err(_("No known integrity specification pattern detected."));
+ return r;
+ }
+ params.integrity = integrity;
+
+ if (opt_journal_integrity) {
+ r = crypt_parse_hash_integrity_mode(opt_journal_integrity, journal_integrity);
+ if (r < 0) {
+ log_err(_("No known integrity specification pattern detected."));
+ return r;
+
+ }
+ params.journal_integrity = journal_integrity;
+ }
+
+ if (opt_journal_crypt) {
+ r = crypt_parse_hash_integrity_mode(opt_journal_crypt, journal_crypt);
+ if (r < 0) {
+ log_err(_("No known integrity specification pattern detected."));
+ return r;
+ }
+ params.journal_crypt = journal_crypt;
+ }
+
+ if (opt_integrity_nojournal || opt_integrity_bitmap)
+ activate_flags |= CRYPT_ACTIVATE_NO_JOURNAL;
+ if (opt_integrity_recovery)
+ activate_flags |= CRYPT_ACTIVATE_RECOVERY;
+ if (opt_integrity_bitmap)
+ activate_flags |= CRYPT_ACTIVATE_NO_JOURNAL_BITMAP;
+
+ if (opt_integrity_recalculate || opt_integrity_legacy_recalculate)
+ activate_flags |= CRYPT_ACTIVATE_RECALCULATE;
+ if (opt_allow_discards)
+ activate_flags |= CRYPT_ACTIVATE_ALLOW_DISCARDS;
+
+ r = _read_keys(&integrity_key, &params);
+ if (r)
+ goto out;
+
+ if ((r = crypt_init_data_device(&cd, action_argv[0], opt_data_device)))
+ goto out;
+
+ r = crypt_load(cd, CRYPT_INTEGRITY, &params);
+ if (r)
+ goto out;
+
+ if (opt_integrity_legacy_recalculate)
+ crypt_set_compatibility(cd, CRYPT_COMPAT_LEGACY_INTEGRITY_RECALC);
+
+ r = crypt_activate_by_volume_key(cd, action_argv[1], integrity_key,
+ opt_integrity_key_size, activate_flags);
+out:
+ crypt_safe_free(integrity_key);
+ crypt_safe_free(CONST_CAST(void*)params.journal_integrity_key);
+ crypt_safe_free(CONST_CAST(void*)params.journal_crypt_key);
+ crypt_free(cd);
+ return r;
+}
+
+static int action_close(int arg)
+{
+ struct crypt_device *cd = NULL;
+ int r;
+
+ r = crypt_init_by_name(&cd, action_argv[0]);
+ if (r == 0)
+ r = crypt_deactivate(cd, action_argv[0]);
+
+ crypt_free(cd);
+ return r;
+}
+
+static int action_status(int arg)
+{
+ crypt_status_info ci;
+ struct crypt_active_device cad;
+ struct crypt_params_integrity ip = {};
+ struct crypt_device *cd = NULL;
+ char *backing_file;
+ const char *device, *metadata_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], 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 INTEGRITY (and LUKS2 with integrity) info */
+ r = crypt_get_integrity_info(cd, &ip);
+ if (r < 0)
+ goto out;
+
+ log_std(" tag size: %u\n", ip.tag_size);
+ log_std(" integrity: %s\n", ip.integrity ?: "(none)");
+ device = crypt_get_device_name(cd);
+ metadata_device = crypt_get_metadata_device_name(cd);
+ log_std(" device: %s%s\n", device, metadata_device ? " (detached)" : "");
+ if ((backing_file = crypt_loop_backing_file(device))) {
+ log_std(" loop: %s\n", backing_file);
+ free(backing_file);
+ }
+ if (metadata_device) {
+ log_std(" metadata device: %s\n", metadata_device);
+ if ((backing_file = crypt_loop_backing_file(metadata_device))) {
+ log_std(" loop: %s\n", backing_file);
+ free(backing_file);
+ }
+ }
+ log_std(" sector size: %u bytes\n", crypt_get_sector_size(cd));
+ log_std(" interleave sectors: %u\n", ip.interleave_sectors);
+ log_std(" size: %" PRIu64 " sectors\n", cad.size);
+ log_std(" mode: %s%s\n",
+ cad.flags & CRYPT_ACTIVATE_READONLY ? "readonly" : "read/write",
+ cad.flags & CRYPT_ACTIVATE_RECOVERY ? " recovery" : "");
+ log_std(" failures: %" PRIu64 "\n",
+ crypt_get_active_integrity_failures(cd, action_argv[0]));
+ if (cad.flags & CRYPT_ACTIVATE_NO_JOURNAL_BITMAP) {
+ log_std(" bitmap 512-byte sectors per bit: %u\n", ip.journal_watermark);
+ log_std(" bitmap flush interval: %u ms\n", ip.journal_commit_time);
+ } if (cad.flags & CRYPT_ACTIVATE_NO_JOURNAL) {
+ log_std(" journal: not active\n");
+ } else {
+ log_std(" journal size: %" PRIu64 " bytes\n", ip.journal_size);
+ log_std(" journal watermark: %u%%\n", ip.journal_watermark);
+ log_std(" journal commit time: %u ms\n", ip.journal_commit_time);
+ if (ip.journal_integrity)
+ log_std(" journal integrity MAC: %s\n", ip.journal_integrity);
+ if (ip.journal_crypt)
+ log_std(" journal encryption: %s\n", ip.journal_crypt);
+ }
+ if (cad.flags & (CRYPT_ACTIVATE_ALLOW_DISCARDS))
+ log_std(" flags: %s\n",
+ (cad.flags & CRYPT_ACTIVATE_ALLOW_DISCARDS) ? "discards " : "");
+ }
+out:
+ crypt_free(cd);
+ if (r == -ENOTSUP)
+ r = 0;
+ return r;
+ return -EINVAL;
+}
+
+static int action_dump(int arg)
+{
+ struct crypt_device *cd = NULL;
+ struct crypt_params_integrity params = {};
+ int r;
+
+ if ((r = crypt_init(&cd, action_argv[0])))
+ return r;
+
+ r = crypt_load(cd, CRYPT_INTEGRITY, &params);
+ if (!r)
+ crypt_dump(cd);
+
+ crypt_free(cd);
+ return r;
+}
+
+static struct action_type {
+ const char *type;
+ int (*handler)(int);
+ int required_action_argc;
+ const char *arg_desc;
+ const char *desc;
+} action_types[] = {
+ { "format", action_format, 1, N_("<integrity_device>"),N_("format device") },
+ { "open", action_open, 2, N_("<integrity_device> <name>"),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_("<integrity_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 == '?') {
+ log_std("%s %s\n", PACKAGE_INTEGRITY, PACKAGE_VERSION);
+ 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"
+ "<integrity_device> is the device containing data with integrity tags\n"),
+ crypt_get_dir());
+
+ log_std(_("\nDefault compiled-in dm-integrity parameters:\n"
+ "\tChecksum algorithm: %s\n"
+ "\tMaximum keyfile size: %dkB\n"),
+ DEFAULT_ALG_NAME, DEFAULT_INTEGRITY_KEYFILE_SIZE_MAXKB);
+ tools_cleanup();
+ poptFreeContext(popt_context);
+ exit(EXIT_SUCCESS);
+ } else if (key->shortName == 'V') {
+ log_std("%s %s\n", PACKAGE_INTEGRITY, PACKAGE_VERSION);
+ 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(0);
+
+ show_status(r);
+ return translate_errno(r);
+}
+
+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_options[] = {
+ { NULL, '\0', POPT_ARG_INCLUDE_TABLE, popt_help_options, 0, N_("Help options:"), 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 },
+ { "batch-mode", 'q', POPT_ARG_NONE, &opt_batch_mode, 0, N_("Do not ask for confirmation"), NULL },
+ { "progress-frequency", '\0', POPT_ARG_INT, &opt_progress_frequency, 0, N_("Progress line update (in seconds)"), N_("secs") },
+ { "no-wipe", '\0', POPT_ARG_NONE, &opt_no_wipe, 0, N_("Do not wipe device after format"), NULL },
+
+ { "data-device", '\0', POPT_ARG_STRING, &opt_data_device, 0, N_("Path to data device (if separated)"), N_("path") },
+
+ { "journal-size", 'j', POPT_ARG_STRING,&opt_journal_size_str, 0, N_("Journal size"), N_("bytes") },
+ { "interleave-sectors", '\0', POPT_ARG_INT, &opt_interleave_sectors, 0, N_("Interleave sectors"), N_("SECTORS") },
+ { "journal-watermark", '\0', POPT_ARG_INT, &opt_journal_watermark, 0, N_("Journal watermark"),N_("percent") },
+ { "journal-commit-time",'\0', POPT_ARG_INT, &opt_journal_commit_time,0, N_("Journal commit time"), N_("ms") },
+ { "bitmap-sectors-per-bit",'\0', POPT_ARG_INT,&opt_bitmap_sectors_per_bit, 0, N_("Number of 512-byte sectors per bit (bitmap mode)."), NULL },
+ { "bitmap-flush-time", '\0', POPT_ARG_INT, &opt_bitmap_flush_time, 0, N_("Bitmap mode flush time"), N_("ms") },
+ { "tag-size", 't', POPT_ARG_INT, &opt_tag_size, 0, N_("Tag size (per-sector)"), N_("bytes") },
+ { "sector-size", 's', POPT_ARG_INT, &opt_sector_size, 0, N_("Sector size"), N_("bytes") },
+ { "buffer-sectors", '\0', POPT_ARG_INT, &opt_buffer_sectors, 0, N_("Buffers size"), N_("SECTORS") },
+
+ { "integrity", 'I', POPT_ARG_STRING, &opt_integrity, 0, N_("Data integrity algorithm"), NULL },
+ { "integrity-key-size", '\0', POPT_ARG_INT, &opt_integrity_key_size, 0, N_("The size of the data integrity key"), N_("BITS") },
+ { "integrity-key-file", '\0', POPT_ARG_STRING, &opt_integrity_key_file, 0, N_("Read the integrity key from a file"), NULL },
+
+ { "journal-integrity", '\0', POPT_ARG_STRING, &opt_journal_integrity, 0, N_("Journal integrity algorithm"), NULL },
+ { "journal-integrity-key-size",'\0', POPT_ARG_INT, &opt_journal_integrity_key_size,0, N_("The size of the journal integrity key"), N_("BITS") },
+ { "journal-integrity-key-file",'\0', POPT_ARG_STRING, &opt_journal_integrity_key_file,0, N_("Read the journal integrity key from a file"), NULL },
+
+ { "journal-crypt", '\0', POPT_ARG_STRING, &opt_journal_crypt, 0, N_("Journal encryption algorithm"), NULL },
+ { "journal-crypt-key-size", '\0', POPT_ARG_INT, &opt_journal_crypt_key_size, 0, N_("The size of the journal encryption key"), N_("BITS") },
+ { "journal-crypt-key-file", '\0', POPT_ARG_STRING, &opt_journal_crypt_key_file, 0, N_("Read the journal encryption key from a file"), NULL },
+
+ { "integrity-no-journal", 'D', POPT_ARG_NONE, &opt_integrity_nojournal, 0, N_("Disable journal for integrity device"), NULL },
+ { "integrity-recovery-mode", 'R', POPT_ARG_NONE, &opt_integrity_recovery, 0, N_("Recovery mode (no journal, no tag checking)"), NULL },
+ { "integrity-bitmap-mode", 'B', POPT_ARG_NONE, &opt_integrity_bitmap, 0, N_("Use bitmap to track changes and disable journal for integrity device"), NULL },
+ { "integrity-recalculate", '\0', POPT_ARG_NONE, &opt_integrity_recalculate, 0, N_("Recalculate initial tags automatically."), NULL },
+ { "integrity-legacy-padding", '\0', POPT_ARG_NONE, &opt_integrity_legacy_padding, 0, N_("Use inefficient legacy padding (old kernels)"), NULL },
+
+ { "integrity-legacy-hmac", '\0', POPT_ARG_NONE, &opt_integrity_legacy_hmac, 0, N_("Do not protect superblock with HMAC (old kernels)"), NULL },
+ { "integrity-legacy-recalculate",'\0',POPT_ARG_NONE, &opt_integrity_legacy_recalculate, 0, N_("Allow recalculating of volumes with HMAC keys (old kernels)"), NULL },
+
+ { "allow-discards", '\0', POPT_ARG_NONE, &opt_allow_discards, 0, N_("Allow discards (aka TRIM) requests for device"), NULL },
+ POPT_TABLEEND
+ };
+ poptContext popt_context;
+ struct action_type *action;
+ const char *aname;
+ int r;
+
+ crypt_set_log_callback(NULL, tool_log, NULL);
+
+ setlocale(LC_ALL, "");
+ bindtextdomain(PACKAGE, LOCALEDIR);
+ textdomain(PACKAGE);
+
+ popt_context = poptGetContext("integrity", 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";
+ }
+
+ if (opt_integrity)
+ integrity_alg = opt_integrity;
+
+ 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);
+ usage(popt_context, EXIT_FAILURE, buf,
+ poptGetInvocationName(popt_context));
+ }
+
+ if (opt_integrity_recalculate && strcmp(aname, "open"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --integrity-recalculate can be used only for open action."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_allow_discards && strcmp(aname, "open"))
+ usage(popt_context, EXIT_FAILURE,
+ _("Option --allow-discards is allowed only for open operation."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_interleave_sectors < 0 || opt_journal_watermark < 0 ||
+ opt_journal_commit_time < 0 || opt_tag_size < 0 ||
+ opt_sector_size < 0 || opt_buffer_sectors < 0 ||
+ opt_integrity_key_size < 0 || opt_journal_integrity_key_size < 0 ||
+ opt_journal_crypt_key_size < 0 || opt_bitmap_flush_time < 0 || opt_bitmap_sectors_per_bit < 0)
+ usage(popt_context, EXIT_FAILURE,
+ _("Negative number for option not permitted."),
+ poptGetInvocationName(popt_context));
+
+ if (strcmp(aname, "format") && (opt_journal_size_str || opt_interleave_sectors ||
+ opt_sector_size || opt_tag_size || opt_no_wipe ))
+ usage(popt_context, EXIT_FAILURE,
+ _("Options --journal-size, --interleave-sectors, --sector-size, --tag-size"
+ " and --no-wipe can be used only for format action."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_journal_size_str &&
+ tools_string_to_size(NULL, opt_journal_size_str, &opt_journal_size))
+ usage(popt_context, EXIT_FAILURE, _("Invalid journal size specification."),
+ poptGetInvocationName(popt_context));
+
+ if ((opt_integrity_key_file && !opt_integrity_key_size) ||
+ (!opt_integrity_key_file && opt_integrity_key_size))
+ usage(popt_context, EXIT_FAILURE, _("Both key file and key size options must be specified."),
+ poptGetInvocationName(popt_context));
+
+ if ((opt_journal_integrity_key_file && !opt_journal_integrity_key_size) ||
+ (!opt_journal_integrity_key_file && opt_journal_integrity_key_size))
+ usage(popt_context, EXIT_FAILURE, _("Both journal integrity key file and key size options must be specified."),
+ poptGetInvocationName(popt_context));
+ if (!opt_journal_integrity && opt_journal_integrity_key_file)
+ usage(popt_context, EXIT_FAILURE, _("Journal integrity algorithm must be specified if journal integrity key is used."),
+ poptGetInvocationName(popt_context));
+
+ if ((opt_journal_crypt_key_file && !opt_journal_crypt_key_size) ||
+ (!opt_journal_crypt_key_file && opt_journal_crypt_key_size))
+ usage(popt_context, EXIT_FAILURE, _("Both journal encryption key file and key size options must be specified."),
+ poptGetInvocationName(popt_context));
+ if (!opt_journal_crypt && opt_journal_crypt_key_file)
+ usage(popt_context, EXIT_FAILURE, _("Journal encryption algorithm must be specified if journal encryption key is used."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_integrity_recovery && opt_integrity_bitmap)
+ usage(popt_context, EXIT_FAILURE, _("Recovery and bitmap mode options are mutually exclusive."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_integrity_bitmap && (opt_journal_integrity_key_file || opt_journal_crypt || opt_journal_watermark || opt_journal_commit_time))
+ usage(popt_context, EXIT_FAILURE, _("Journal options cannot be used in bitmap mode."),
+ poptGetInvocationName(popt_context));
+
+ if (!opt_integrity_bitmap && (opt_bitmap_flush_time || opt_bitmap_sectors_per_bit))
+ usage(popt_context, EXIT_FAILURE, _("Bitmap options can be used only in bitmap mode."),
+ poptGetInvocationName(popt_context));
+
+ if (opt_debug) {
+ opt_verbose = 1;
+ crypt_set_debug_level(-1);
+ 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 2024-11-29 17:04:33 +0000