Adding upstream version 2:2.1.0.upstream/2%2.1.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 688 insertions, 0 deletions

diff --git a/src/integritysetup.c b/src/integritysetup.c
new file mode 100644
index 0000000..f451f9b
--- /dev/null
+++ b/src/integritysetup.c
@@ -0,0 +1,688 @@
+/*
+ * integritysetup - setup integrity protected volumes for dm-integrity
+ *
+ * Copyright (C) 2017-2019 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2017-2019 Milan Broz
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "cryptsetup.h"
+#include <uuid/uuid.h>
+
+#define PACKAGE_INTEGRITY "integritysetup"
+
+#define DEFAULT_TAG_SIZE 4
+#define DEFAULT_ALG_NAME "crc32c"
+#define MAX_KEY_SIZE 4096
+
+static const 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_journal_commit_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 const char *opt_data_device = NULL;
+
+static const char *opt_integrity = DEFAULT_ALG_NAME;
+static const char *opt_integrity_key_file = NULL;
+static int opt_integrity_key_size = 0;
+
+static const char *opt_journal_integrity = NULL; /* none */
+static const char *opt_journal_integrity_key_file = NULL;
+static int opt_journal_integrity_key_size = 0;
+
+static const char *opt_journal_crypt = NULL; /* none */
+static const char *opt_journal_crypt_key_file = NULL;
+static int opt_journal_crypt_key_size = 0;
+
+static int opt_integrity_nojournal = 0;
+static int opt_integrity_recovery = 0;
+
+static int opt_integrity_recalculate = 0;
+
+static int opt_version_mode = 0;
+
+static const char **action_argv;
+static int action_argc;
+
+// 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 > MAX_KEY_SIZE) {
+		log_err(_("Invalid key size."));
+		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,
+		.journal_watermark = opt_journal_watermark,
+		.journal_commit_time = opt_journal_commit_time,
+		.buffer_sectors = opt_buffer_sectors,
+		.tag_size = opt_tag_size,
+		.sector_size = opt_sector_size ?: SECTOR_SIZE,
+	};
+	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;
+
+	if (opt_integrity) {
+		r = crypt_parse_hash_integrity_mode(opt_integrity, 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;
+
+	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)
+		log_std(_("Formatted with tag size %u, internal integrity %s.\n"), opt_tag_size, opt_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 = {
+		.journal_watermark = opt_journal_watermark,
+		.journal_commit_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;
+
+	if (opt_integrity) {
+		r = crypt_parse_hash_integrity_mode(opt_integrity, 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)
+		activate_flags |= CRYPT_ACTIVATE_NO_JOURNAL;
+	if (opt_integrity_recovery)
+		activate_flags |= CRYPT_ACTIVATE_RECOVERY;
+
+	if (opt_integrity_recalculate)
+		activate_flags |= CRYPT_ACTIVATE_RECALCULATE;
+
+	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;
+
+	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;
+
+		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 (crypt_loop_device(device)) {
+			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 (crypt_loop_device(metadata_device)) {
+				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) {
+			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);
+		}
+	}
+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 (deactivate and 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"
+			  "\tTag size: %u bytes, Checksum algorithm: %s\n"),
+			  DEFAULT_TAG_SIZE, DEFAULT_ALG_NAME);
+		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 },
+		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 },
+		{ "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") },
+		{ "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-recalculate",     '\0', POPT_ARG_NONE,  &opt_integrity_recalculate,  0, N_("Recalculate initial tags automatically."), 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 (opt_version_mode) {
+		log_std("%s %s\n", PACKAGE_INTEGRITY, PACKAGE_VERSION);
+		poptFreeContext(popt_context);
+		exit(EXIT_SUCCESS);
+	}
+
+	if (!(aname = poptGetArg(popt_context)))
+		usage(popt_context, EXIT_FAILURE, _("Argument <action> missing."),
+		      poptGetInvocationName(popt_context));
+
+	action_argc = 0;
+	action_argv = poptGetArgs(popt_context);
+	/* Make return values of poptGetArgs more consistent in case of remaining argc = 0 */
+	if (!action_argv)
+		action_argv = null_action_argv;
+
+	/* Count args, somewhat unnice, change? */
+	while (action_argv[action_argc] != NULL)
+		action_argc++;
+
+	/* Handle aliases */
+	if (!strcmp(aname, "create") && 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);
+		usage(popt_context, EXIT_FAILURE, buf,
+		      poptGetInvocationName(popt_context));
+	}
+
+	if (!strcmp(aname, "format") && opt_tag_size == 0)
+		opt_tag_size = DEFAULT_TAG_SIZE;
+
+	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_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)
+                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.\n"),
+		      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_integrity && opt_integrity_key_file)
+		usage(popt_context, EXIT_FAILURE, _("Integrity algorithm must be specified if integrity key is used."),
+		      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_debug) {
+		opt_verbose = 1;
+		crypt_set_debug_level(-1);
+		dbg_version_and_cmd(argc, argv);
+	}
+
+	r = run_action(action);
+	poptFreeContext(popt_context);
+	return r;
+}