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* Add luksSuspend (freeze device and wipe key) and luksResume (with provided passphrase).

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Signed-off-by: Milan Broz <mbroz@redhat.com>

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@104 36d66b0a-2a48-0410-832c-cd162a569da5
This commit is contained in:
Milan Broz
2009-09-02 12:47:21 +00:00
parent 52b0271a0e
commit 3cea5dcc7b
8 changed files with 423 additions and 30 deletions
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39
src/cryptsetup.c
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@@ -52,6 +52,8 @@ static int action_luksRemoveKey(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 struct action_type {
const char *type;
@@ -77,6 +79,8 @@ static struct action_type {
{ "isLuks", action_isLuks, 0, 1, 0, 0, 0, N_("<device>"), N_("tests <device> for LUKS partition header") },
{ "luksClose", action_remove, 0, 1, 1, 0, 1, N_("<name>"), N_("remove LUKS mapping") },
{ "luksDump", action_luksDump, 0, 1, 0, 0, 1, N_("<device>"), N_("dump LUKS partition information") },
{ "luksSuspend",action_luksSuspend, 0, 1, 1, 1, 1, N_("<device>"), N_("Suspend LUKS device and wipe key (all IOs are frozen).") },
{ "luksResume", action_luksResume, 0, 1, 1, 1, 1, N_("<device>"), N_("Resume suspended LUKS device.") },
{ "luksDelKey", action_luksDelKey, 0, 2, 1, 1, 1, N_("<device> <key slot>"), N_("identical to luksKillSlot - DEPRECATED - see man page") },
{ "reload", action_create, 1, 2, 1, 1, 1, N_("<name> <device>"), N_("modify active device - DEPRECATED - see man page") },
{ NULL, NULL, 0, 0, 0, 0, 0, NULL, NULL }
@@ -490,6 +494,41 @@ static int action_luksDump(int arg)
return crypt_luksDump(&options);
}
static int action_luksSuspend(int arg)
{
struct crypt_device *cd = NULL;
int r;
r = crypt_init_by_name(&cd, action_argv[0]);
if (!r)
r = crypt_suspend(cd, action_argv[0]);
crypt_free(cd);
return r;
}
static int action_luksResume(int arg)
{
struct crypt_device *cd = NULL;
int r;
if ((r = crypt_init_by_name(&cd, action_argv[0])))
goto out;
if ((r = crypt_load(cd, CRYPT_LUKS1, NULL)))
goto out;
if (opt_key_file)
r = crypt_resume_by_keyfile(cd, action_argv[0], CRYPT_ANY_SLOT,
opt_key_file, opt_key_size / 8);
else
r = crypt_resume_by_passphrase(cd, action_argv[0], CRYPT_ANY_SLOT,
NULL, 0);
out:
crypt_free(cd);
return r;
}
static void usage(poptContext popt_context, int exitcode,
const char *error, const char *more)
{