/*
* integritysetup - setup integrity protected volumes for dm-integrity
*
* Copyright (C) 2017-2020 Red Hat, Inc. All rights reserved.
* Copyright (C) 2017-2020 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"
#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_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 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_bitmap = 0;
static int opt_integrity_legacy_padding = 0;
static int opt_integrity_recalculate = 0;
static int opt_allow_discards = 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,
/* 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;
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, ¶ms);
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);
r = crypt_format(cd, CRYPT_INTEGRITY, NULL, NULL, NULL, NULL, 0, ¶ms);
if (r < 0) /* FIXME: call wipe signatures again */
goto out;
if (!opt_batch_mode && !crypt_get_integrity_info(cd, ¶ms2))
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;
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 || 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)
activate_flags |= CRYPT_ACTIVATE_RECALCULATE;
if (opt_allow_discards)
activate_flags |= CRYPT_ACTIVATE_ALLOW_DISCARDS;
r = _read_keys(&integrity_key, ¶ms);
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, ¶ms);
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;
/* 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, ¶ms);
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"), DEFAULT_ALG_NAME);
poptFreeContext(popt_context);
exit(EXIT_SUCCESS);
} else if (key->shortName == 'V') {
log_std("%s %s\n", PACKAGE_INTEGRITY, PACKAGE_VERSION);
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 },
{ "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";
}
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_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_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);
poptFreeContext(popt_context);
return r;
}