diff options
Diffstat (limited to 'extras/volume_id/lib/luks.c')
-rw-r--r-- | extras/volume_id/lib/luks.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/extras/volume_id/lib/luks.c b/extras/volume_id/lib/luks.c deleted file mode 100644 index 1c9d412767..0000000000 --- a/extras/volume_id/lib/luks.c +++ /dev/null @@ -1,86 +0,0 @@ -/* - * volume_id - reads filesystem label and uuid - * - * Copyright (C) 2005 W. Michael Petullo <mike@flyn.org> - * - * 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, either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef _GNU_SOURCE -#define _GNU_SOURCE 1 -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <ctype.h> - -#include "libvolume_id.h" -#include "libvolume_id-private.h" - -#define SECTOR_SHIFT 9 -#define SECTOR_SIZE (1 << SECTOR_SHIFT) - -#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 - -#define LUKS_MAGIC_L 6 -#define LUKS_PHDR_SIZE (sizeof(struct luks_phdr)/SECTOR_SIZE+1) -#define UUID_STRING_L 40 -static const uint8_t LUKS_MAGIC[] = {'L','U','K','S', 0xba, 0xbe}; - -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, uint64_t size) -{ - struct luks_phdr *header; - - header = (struct luks_phdr*) volume_id_get_buffer(id, off, LUKS_PHDR_SIZE); - if (header == NULL) - return -1; - - if (memcmp(header->magic, LUKS_MAGIC, LUKS_MAGIC_L)) - return -1; - - volume_id_set_usage(id, VOLUME_ID_CRYPTO); - volume_id_set_uuid(id, header->uuid, 36, UUID_HEX_STRING); - snprintf(id->type_version, sizeof(header->version), "%u", le16_to_cpu(header->version)); - id->type = "crypto_LUKS"; - return 0; -} |