static int action_argc;
static const char *null_action_argv[] = {NULL, NULL};
-static int action_open(int arg);
-static int action_close(int arg);
-static int action_resize(int arg);
-static int action_status(int arg);
-static int action_benchmark(int arg);
-static int action_luksFormat(int arg);
-static int action_luksAddKey(int arg);
-static int action_luksKillSlot(int arg);
-static int action_luksRemoveKey(int arg);
-static int action_luksChangeKey(int arg);
-static int action_isLuks(int arg);
-static int action_luksUUID(int arg);
-static int action_luksDump(int arg);
-static int action_luksSuspend(int arg);
-static int action_luksResume(int arg);
-static int action_luksBackup(int arg);
-static int action_luksRestore(int arg);
-static int action_luksRepair(int arg);
-static int action_tcryptDump(int arg);
-
-static struct action_type {
- const char *type;
- int (*handler)(int);
- int arg;
- int required_action_argc;
- int required_memlock;
- const char *arg_desc;
- const char *desc;
-} action_types[] = {
- { "open", action_open, 0, 1, 1, N_("<device> [<name>]"),N_("open device as mapping <name>") },
- { "close", action_close, 0, 1, 1, N_("<name>"), N_("close device (remove mapping)") },
- { "resize", action_resize, 0, 1, 1, N_("<name>"), N_("resize active device") },
- { "status", action_status, 0, 1, 0, N_("<name>"), N_("show device status") },
- { "benchmark", action_benchmark, 0, 0, 0, N_("<name>"), N_("benchmark cipher") },
- { "repair", action_luksRepair, 0, 1, 1, N_("<device>"), N_("try to repair on-disk metadata") },
- { "luksFormat", action_luksFormat, 0, 1, 1, N_("<device> [<new key file>]"), N_("formats a LUKS device") },
- { "luksAddKey", action_luksAddKey, 0, 1, 1, N_("<device> [<new key file>]"), N_("add key to LUKS device") },
- { "luksRemoveKey",action_luksRemoveKey, 0, 1, 1, N_("<device> [<key file>]"), N_("removes supplied key or key file from LUKS device") },
- { "luksChangeKey",action_luksChangeKey, 0, 1, 1, N_("<device> [<key file>]"), N_("changes supplied key or key file of LUKS device") },
- { "luksKillSlot", action_luksKillSlot, 0, 2, 1, N_("<device> <key slot>"), N_("wipes key with number <key slot> from LUKS device") },
- { "luksUUID", action_luksUUID, 0, 1, 0, N_("<device>"), N_("print UUID of LUKS device") },
- { "isLuks", action_isLuks, 0, 1, 0, N_("<device>"), N_("tests <device> for LUKS partition header") },
- { "luksDump", action_luksDump, 0, 1, 1, N_("<device>"), N_("dump LUKS partition information") },
- { "luksSuspend",action_luksSuspend, 0, 1, 1, N_("<device>"), N_("Suspend LUKS device and wipe key (all IOs are frozen).") },
- { "luksResume", action_luksResume, 0, 1, 1, N_("<device>"), N_("Resume suspended LUKS device.") },
- { "luksHeaderBackup",action_luksBackup, 0, 1, 1, N_("<device>"), N_("Backup LUKS device header and keyslots") },
- { "luksHeaderRestore",action_luksRestore,0,1, 1, N_("<device>"), N_("Restore LUKS device header and keyslots") },
- { "tcryptDump", action_tcryptDump, 0, 1, 1, N_("<device>"), N_("dump TCRYPT device information") },
- { NULL, NULL, 0, 0, 0, NULL, NULL }
-};
-
static int _verify_passphrase(int def)
{
/* Batch mode switch off verify - if not overrided by -y */
return def;
}
-static int action_open_plain(int arg __attribute__((unused)))
+static int action_open_plain(void)
{
struct crypt_device *cd = NULL;
char cipher[MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
return r;
}
-static int action_open_loopaes(int arg __attribute__((unused)))
+static int action_open_loopaes(void)
{
struct crypt_device *cd = NULL;
struct crypt_params_loopaes params = {
return r;
}
-static int action_open_tcrypt(int arg __attribute__((unused)))
+static int action_open_tcrypt(void)
{
struct crypt_device *cd = NULL;
struct crypt_params_tcrypt params = {
return r;
}
-static int action_tcryptDump(int arg __attribute__((unused)))
+static int tcryptDump_with_volume_key(struct crypt_device *cd)
+{
+ char *vk = NULL;
+ size_t vk_size;
+ unsigned i;
+ int r;
+
+ crypt_set_confirm_callback(cd, yesDialog, NULL);
+ if (!yesDialog(
+ _("Header dump with volume key is sensitive information\n"
+ "which allows access to encrypted partition without passphrase.\n"
+ "This dump should be always stored encrypted on safe place."),
+ NULL))
+ return -EPERM;
+
+ vk_size = crypt_get_volume_key_size(cd);
+ vk = crypt_safe_alloc(vk_size);
+ if (!vk)
+ return -ENOMEM;
+
+ r = crypt_volume_key_get(cd, CRYPT_ANY_SLOT, vk, &vk_size, NULL, 0);
+ if (r < 0)
+ goto out;
+
+ log_std("TCRYPT header information for %s\n", crypt_get_device_name(cd));
+ log_std("Cipher chain: \t%s\n", crypt_get_cipher(cd));
+ log_std("Cipher mode: \t%s\n", crypt_get_cipher_mode(cd));
+ log_std("Payload offset:\t%d\n", (int)crypt_get_data_offset(cd));
+ log_std("MK bits: \t%d\n", (int)vk_size * 8);
+ log_std("MK dump:\t");
+
+ for(i = 0; i < vk_size; i++) {
+ if (i && !(i % 16))
+ log_std("\n\t\t");
+ log_std("%02hhx ", (char)vk[i]);
+ }
+ log_std("\n");
+out:
+ crypt_safe_free(vk);
+ return r;
+}
+
+static int action_tcryptDump(void)
{
struct crypt_device *cd = NULL;
struct crypt_params_tcrypt params = {
if (r < 0)
goto out;
- r = crypt_dump(cd);
+ if (opt_dump_master_key)
+ r = tcryptDump_with_volume_key(cd);
+ else
+ r = crypt_dump(cd);
out:
crypt_free(cd);
crypt_safe_free(CONST_CAST(char*)params.passphrase);
return r;
}
-static int action_close(int arg __attribute__((unused)))
+static int action_close(void)
{
struct crypt_device *cd = NULL;
int r;
return r;
}
-static int action_resize(int arg __attribute__((unused)))
+static int action_resize(void)
{
struct crypt_device *cd = NULL;
int r;
return r;
}
-static int action_status(int arg __attribute__((unused)))
+static int action_status(void)
{
crypt_status_info ci;
struct crypt_active_device cad;
return r;
}
-static int action_benchmark(int arg __attribute__((unused)))
+static int action_benchmark(void)
{
static struct {
char *cipher;
return -EINVAL;
}
-static int action_luksRepair(int arg __attribute__((unused)))
+static int action_luksRepair(void)
{
struct crypt_device *cd = NULL;
int r;
return r;
}
-static int action_luksFormat(int arg __attribute__((unused)))
+static int action_luksFormat(void)
{
int r = -EINVAL, keysize;
const char *header_device;
return r;
}
-static int action_open_luks(int arg __attribute__((unused)))
+static int action_open_luks(void)
{
struct crypt_device *cd = NULL;
const char *data_device, *header_device, *activated_name;
return r;
}
-static int action_luksKillSlot(int arg __attribute__((unused)))
+static int action_luksKillSlot(void)
{
struct crypt_device *cd = NULL;
int r;
return r;
}
-static int action_luksRemoveKey(int arg __attribute__((unused)))
+static int action_luksRemoveKey(void)
{
struct crypt_device *cd = NULL;
char *password = NULL;
return r;
}
-static int action_luksAddKey(int arg __attribute__((unused)))
+static int action_luksAddKey(void)
{
int r = -EINVAL, keysize = 0;
char *key = NULL;
return 1;
}
-static int action_luksChangeKey(int arg __attribute__((unused)))
+static int action_luksChangeKey(void)
{
const char *opt_new_key_file = (action_argc > 1 ? action_argv[1] : NULL);
struct crypt_device *cd = NULL;
return r;
}
-static int action_isLuks(int arg __attribute__((unused)))
+static int action_isLuks(void)
{
struct crypt_device *cd = NULL;
int r;
return r;
}
-static int action_luksUUID(int arg __attribute__((unused)))
+static int action_luksUUID(void)
{
struct crypt_device *cd = NULL;
const char *existing_uuid = NULL;
crypt_set_confirm_callback(cd, yesDialog, NULL);
if (!yesDialog(
- _("LUKS header dump with volume key is sensitive information\n"
+ _("Header dump with volume key is sensitive information\n"
"which allows access to encrypted partition without passphrase.\n"
"This dump should be always stored encrypted on safe place."),
NULL))
return r;
}
-static int action_luksDump(int arg __attribute__((unused)))
+static int action_luksDump(void)
{
struct crypt_device *cd = NULL;
int r;
return r;
}
-static int action_luksSuspend(int arg __attribute__((unused)))
+static int action_luksSuspend(void)
{
struct crypt_device *cd = NULL;
int r;
return r;
}
-static int action_luksResume(int arg __attribute__((unused)))
+static int action_luksResume(void)
{
struct crypt_device *cd = NULL;
int r;
return r;
}
-static int action_luksBackup(int arg __attribute__((unused)))
+static int action_luksBackup(void)
{
struct crypt_device *cd = NULL;
int r;
return r;
}
-static int action_luksRestore(int arg __attribute__((unused)))
+static int action_luksRestore(void)
{
struct crypt_device *cd = NULL;
int r = 0;
return r;
}
-static int action_open(int arg __attribute__((unused)))
+static int action_open(void)
{
if (!opt_type)
return -EINVAL;
if (!strcmp(opt_type, "luks") || !strcmp(opt_type, "luks1")) {
if (action_argc < 2 && !opt_test_passphrase)
goto args;
- return action_open_luks(0);
+ return action_open_luks();
} else if (!strcmp(opt_type, "plain")) {
if (action_argc < 2)
goto args;
- return action_open_plain(0);
+ return action_open_plain();
} else if (!strcmp(opt_type, "loopaes")) {
if (action_argc < 2)
goto args;
- return action_open_loopaes(0);
+ return action_open_loopaes();
} else if (!strcmp(opt_type, "tcrypt")) {
if (action_argc < 2 && !opt_test_passphrase)
goto args;
- return action_open_tcrypt(0);
+ return action_open_tcrypt();
}
log_err(_("Unrecognized metadata device type %s.\n"), opt_type);
return -EINVAL;
}
+static struct action_type {
+ const char *type;
+ int (*handler)(void);
+ int required_action_argc;
+ int required_memlock;
+ const char *arg_desc;
+ const char *desc;
+} action_types[] = {
+ { "open", action_open, 1, 1, N_("<device> [<name>]"),N_("open device as mapping <name>") },
+ { "close", action_close, 1, 1, N_("<name>"), N_("close device (remove mapping)") },
+ { "resize", action_resize, 1, 1, N_("<name>"), N_("resize active device") },
+ { "status", action_status, 1, 0, N_("<name>"), N_("show device status") },
+ { "benchmark", action_benchmark, 0, 0, N_("<name>"), N_("benchmark cipher") },
+ { "repair", action_luksRepair, 1, 1, N_("<device>"), N_("try to repair on-disk metadata") },
+ { "luksFormat", action_luksFormat, 1, 1, N_("<device> [<new key file>]"), N_("formats a LUKS device") },
+ { "luksAddKey", action_luksAddKey, 1, 1, N_("<device> [<new key file>]"), N_("add key to LUKS device") },
+ { "luksRemoveKey",action_luksRemoveKey,1, 1, N_("<device> [<key file>]"), N_("removes supplied key or key file from LUKS device") },
+ { "luksChangeKey",action_luksChangeKey,1, 1, N_("<device> [<key file>]"), N_("changes supplied key or key file of LUKS device") },
+ { "luksKillSlot", action_luksKillSlot, 2, 1, N_("<device> <key slot>"), N_("wipes key with number <key slot> from LUKS device") },
+ { "luksUUID", action_luksUUID, 1, 0, N_("<device>"), N_("print UUID of LUKS device") },
+ { "isLuks", action_isLuks, 1, 0, N_("<device>"), N_("tests <device> for LUKS partition header") },
+ { "luksDump", action_luksDump, 1, 1, N_("<device>"), N_("dump LUKS partition information") },
+ { "tcryptDump", action_tcryptDump, 1, 1, N_("<device>"), N_("dump TCRYPT device information") },
+ { "luksSuspend", action_luksSuspend, 1, 1, N_("<device>"), N_("Suspend LUKS device and wipe key (all IOs are frozen).") },
+ { "luksResume", action_luksResume, 1, 1, N_("<device>"), N_("Resume suspended LUKS device.") },
+ { "luksHeaderBackup", action_luksBackup,1,1, N_("<device>"), N_("Backup LUKS device header and keyslots") },
+ { "luksHeaderRestore",action_luksRestore,1,1,N_("<device>"), N_("Restore LUKS device header and keyslots") },
+ {}
+};
static void help(poptContext popt_context,
enum poptCallbackReason reason __attribute__((unused)),
if (action->required_memlock)
crypt_memory_lock(NULL, 1);
- r = action->handler(action->arg);
+ r = action->handler();
if (action->required_memlock)
crypt_memory_lock(NULL, 0);
projects / platform / upstream / cryptsetup.git / blobdiff