*
* Copyright (C) 2005 W. Michael Petullo <mike@flyn.org>
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * 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 version 2 of the License.
*/
#ifndef _GNU_SOURCE
# include <config.h>
#endif
-#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
-#include <asm/types.h>
#include "volume_id.h"
#include "util.h"
#include "logging.h"
#include "luks.h"
-/* from cryptsetup-luks internal.h */
-#define SECTOR_SHIFT 9
-#define SECTOR_SIZE (1 << SECTOR_SHIFT)
+#define SECTOR_SHIFT 9
+#define SECTOR_SIZE (1 << SECTOR_SHIFT)
-/* from cryptsetup-luks luks.h */
-#define LUKS_CIPHERNAME_L 32
-#define LUKS_CIPHERMODE_L 32
-#define LUKS_HASHSPEC_L 32
-#define LUKS_DIGESTSIZE 20 /* since SHA1 */
-#define LUKS_SALTSIZE 32
-#define LUKS_NUMKEYS 8
+#define LUKS_CIPHERNAME_L 32
+#define LUKS_CIPHERMODE_L 32
+#define LUKS_HASHSPEC_L 32
+#define LUKS_DIGESTSIZE 20
+#define LUKS_SALTSIZE 32
+#define LUKS_NUMKEYS 8
-/* from cryptsetup-luks luks.h */
-const unsigned char LUKS_MAGIC[] = {'L','U','K','S', 0xba, 0xbe};
+const uint8_t LUKS_MAGIC[] = {'L','U','K','S', 0xba, 0xbe};
#define LUKS_MAGIC_L 6
-
-/* from cryptsetup-luks luks.h */
#define LUKS_PHDR_SIZE (sizeof(struct luks_phdr)/SECTOR_SIZE+1)
-
-/* from cryptsetup-luks luks.h */
#define UUID_STRING_L 40
-int volume_id_probe_luks(struct volume_id *id, __u64 off)
+struct luks_phdr {
+ uint8_t magic[LUKS_MAGIC_L];
+ uint16_t version;
+ uint8_t cipherName[LUKS_CIPHERNAME_L];
+ uint8_t cipherMode[LUKS_CIPHERMODE_L];
+ uint8_t hashSpec[LUKS_HASHSPEC_L];
+ uint32_t payloadOffset;
+ uint32_t keyBytes;
+ uint8_t mkDigest[LUKS_DIGESTSIZE];
+ uint8_t mkDigestSalt[LUKS_SALTSIZE];
+ uint32_t mkDigestIterations;
+ uint8_t uuid[UUID_STRING_L];
+ struct {
+ uint32_t active;
+ uint32_t passwordIterations;
+ uint8_t passwordSalt[LUKS_SALTSIZE];
+ uint32_t keyMaterialOffset;
+ uint32_t stripes;
+ } keyblock[LUKS_NUMKEYS];
+};
+
+int volume_id_probe_luks(struct volume_id *id, uint64_t off)
{
- /* from cryptsetup-luks luks.h */
- struct luks_phdr {
- char magic[LUKS_MAGIC_L];
- uint16_t version;
- char cipherName[LUKS_CIPHERNAME_L];
- char cipherMode[LUKS_CIPHERMODE_L];
- char hashSpec[LUKS_HASHSPEC_L];
- uint32_t payloadOffset;
- uint32_t keyBytes;
- char mkDigest[LUKS_DIGESTSIZE];
- char mkDigestSalt[LUKS_SALTSIZE];
- uint32_t mkDigestIterations;
- char uuid[UUID_STRING_L];
- struct {
- uint32_t active;
-
- /* parameters used for password processing */
- uint32_t passwordIterations;
- char passwordSalt[LUKS_SALTSIZE];
-
- /* parameters used for AF store/load */
- uint32_t keyMaterialOffset;
- uint32_t stripes;
- } keyblock[LUKS_NUMKEYS];
- } *header;
+ struct luks_phdr *header;
header = (struct luks_phdr*) volume_id_get_buffer(id, off, LUKS_PHDR_SIZE);
-
if (header == NULL)
return -1;
return -1;
volume_id_set_usage(id, VOLUME_ID_CRYPTO);
- volume_id_set_uuid(id, header->uuid, UUID_DCE);
+ volume_id_set_uuid(id, header->uuid, UUID_DCE_STRING);
+
id->type = "crypto_LUKS";
return 0;