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Add helper for checking data device type during encryption.

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In case operation is invoked with --header parameter
check if data device does not already contain LUKS device
This commit is contained in:
Ondrej Kozina
2022-03-18 14:03:03 +01:00
committed by Milan Broz
parent 828555db97
commit b663b9305c
1 changed files with 12 additions and 4 deletions
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16
src/utils_reencrypt.c
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@@ -247,6 +247,17 @@ static bool luks2_reencrypt_eligible(struct crypt_device *cd)
return true; return true;
} }
static enum device_status_info check_luks_device(const char *device)
{
enum device_status_info dev_st;
struct crypt_device *cd = NULL;
dev_st = load_luks(&cd, CRYPT_LUKS, NULL, device);
crypt_free(cd);
return dev_st;
}
static int action_encrypt_luks2(struct crypt_device **cd, const char *data_device, const char *device_name) static int action_encrypt_luks2(struct crypt_device **cd, const char *data_device, const char *device_name)
{ {
const char *type; const char *type;
@@ -1005,10 +1016,7 @@ static int _encrypt(int action_argc, const char **action_argv)
const char *type = luksType(device_type); const char *type = luksType(device_type);
struct crypt_device *check_cd = NULL; struct crypt_device *check_cd = NULL;
dev_st = load_luks(&check_cd, CRYPT_LUKS, NULL, uuid_or_device(action_argv[0])); dev_st = check_luks_device(uuid_or_device(action_argv[0]));
crypt_free(check_cd);
check_cd = NULL;
if (dev_st == DEVICE_INVALID) if (dev_st == DEVICE_INVALID)
return -EINVAL; return -EINVAL;