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Add repair command and API for repairing known LUKS header problems.

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This commit is contained in:
Milan Broz
2012-04-02 21:18:22 +02:00
parent 9511c91a79
commit bd047d03ef
9 changed files with 172 additions and 44 deletions
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28
src/cryptsetup.c
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@@ -91,6 +91,7 @@ static int action_luksResume(int arg);
static int action_luksBackup(int arg);
static int action_luksRestore(int arg);
static int action_loopaesOpen(int arg);
static int action_luksRepair(int arg);
static struct action_type {
const char *type;
@@ -105,6 +106,7 @@ static struct action_type {
{ "remove", action_remove, 0, 1, 1, N_("<name>"), N_("remove device") },
{ "resize", action_resize, 0, 1, 1, N_("<name>"), N_("resize active device") },
{ "status", action_status, 0, 1, 0, N_("<name>"), N_("show device status") },
{ "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") },
{ "luksOpen", action_luksOpen, 0, 2, 1, N_("<device> <name> "), N_("open LUKS device as mapping <name>") },
{ "luksAddKey", action_luksAddKey, 0, 1, 1, N_("<device> [<new key file>]"), N_("add key to LUKS device") },
@@ -517,6 +519,32 @@ fail:
return -EINVAL;
}
static int action_luksRepair(int arg __attribute__((unused)))
{
struct crypt_device *cd = NULL;
int r;
if ((r = crypt_init(&cd, action_argv[0])))
goto out;
/* Currently only LUKS1 allows repair */
crypt_set_log_callback(cd, _quiet_log, NULL);
r = crypt_load(cd, CRYPT_LUKS1, NULL);
crypt_set_log_callback(cd, _log, NULL);
if (r == 0) {
log_verbose( _("No known problems detected for LUKS header.\n"));
goto out;
}
r = _yesDialog(_("Really try to repair LUKS device header?"),
NULL) ? 0 : -EINVAL;
if (r == 0)
r = crypt_repair(cd, CRYPT_LUKS1, NULL);
out:
crypt_free(cd);
return r;
}
static int action_luksFormat(int arg __attribute__((unused)))
{
int r = -EINVAL, keysize;