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-rw-r--r--libblkid/lvm2.c228
1 files changed, 0 insertions, 228 deletions
diff --git a/libblkid/lvm2.c b/libblkid/lvm2.c
deleted file mode 100644
index 0afc77322..000000000
--- a/libblkid/lvm2.c
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- * Copyright (C) 1999 by Andries Brouwer
- * Copyright (C) 1999, 2000, 2003 by Theodore Ts'o
- * Copyright (C) 2001 by Andreas Dilger
- * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
- * Copyright (C) 2008 Karel Zak <kzak@redhat.com>
- * Copyright (C) 2012 Milan Broz <mbroz@redhat.com>
- *
- * This file may be redistributed under the terms of the
- * GNU Lesser General Public License.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdint.h>
-
-#include "superblocks.h"
-
-#define LVM1_ID_LEN 128
-#define LVM2_ID_LEN 32
-
-struct lvm2_pv_label_header {
- /* label_header */
- uint8_t id[8]; /* LABELONE */
- uint64_t sector_xl; /* Sector number of this label */
- uint32_t crc_xl; /* From next field to end of sector */
- uint32_t offset_xl; /* Offset from start of struct to contents */
- uint8_t type[8]; /* LVM2 001 */
- /* pv_header */
- uint8_t pv_uuid[LVM2_ID_LEN];
-} __attribute__ ((packed));
-
-struct lvm1_pv_label_header {
- uint8_t id[2]; /* HM */
- uint16_t version; /* version 1 or 2 */
- uint32_t _notused[10]; /* lvm1 internals */
- uint8_t pv_uuid[LVM1_ID_LEN];
-} __attribute__ ((packed));
-
-#define LVM2_LABEL_SIZE 512
-static unsigned int lvm2_calc_crc(const void *buf, unsigned int size)
-{
- static const unsigned int crctab[] = {
- 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac,
- 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
- 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c,
- 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c
- };
- unsigned int i, crc = 0xf597a6cf;
- const uint8_t *data = (const uint8_t *) buf;
-
- for (i = 0; i < size; i++) {
- crc ^= *data++;
- crc = (crc >> 4) ^ crctab[crc & 0xf];
- crc = (crc >> 4) ^ crctab[crc & 0xf];
- }
- return crc;
-}
-
-/* Length of real UUID is always LVM2_ID_LEN */
-static void format_lvm_uuid(char *dst_uuid, char *src_uuid)
-{
- unsigned int i, b;
-
- for (i = 0, b = 1; i < LVM2_ID_LEN; i++, b <<= 1) {
- if (b & 0x4444440)
- *dst_uuid++ = '-';
- *dst_uuid++ = *src_uuid++;
- }
- *dst_uuid = '\0';
-}
-
-static int probe_lvm2(blkid_probe pr, const struct blkid_idmag *mag)
-{
- int sector = mag->kboff << 1;
- struct lvm2_pv_label_header *label;
- char uuid[LVM2_ID_LEN + 7];
- unsigned char *buf;
-
- buf = blkid_probe_get_buffer(pr,
- mag->kboff << 10,
- 512 + sizeof(struct lvm2_pv_label_header));
- if (!buf)
- return -1;
-
- /* buf is at 0k or 1k offset; find label inside */
- if (memcmp(buf, "LABELONE", 8) == 0) {
- label = (struct lvm2_pv_label_header *) buf;
- } else if (memcmp(buf + 512, "LABELONE", 8) == 0) {
- label = (struct lvm2_pv_label_header *)(buf + 512);
- sector++;
- } else {
- return 1;
- }
-
- if (le64_to_cpu(label->sector_xl) != (unsigned) sector)
- return 1;
-
- if (lvm2_calc_crc(&label->offset_xl, LVM2_LABEL_SIZE -
- ((char *) &label->offset_xl - (char *) label)) !=
- le32_to_cpu(label->crc_xl)) {
- DBG(DEBUG_PROBE,
- printf("LVM2: label checksum incorrect at sector %d\n",
- sector));
- return 1;
- }
-
- format_lvm_uuid(uuid, (char *) label->pv_uuid);
- blkid_probe_sprintf_uuid(pr, label->pv_uuid, sizeof(label->pv_uuid),
- "%s", uuid);
-
- /* the mag->magic is the same string as label->type,
- * but zero terminated */
- blkid_probe_set_version(pr, mag->magic);
-
- /* LVM (pvcreate) wipes begin of the device -- let's remember this
- * to resolve conflicts bettween LVM and partition tables, ...
- */
- blkid_probe_set_wiper(pr, 0, 8 * 1024);
-
- return 0;
-}
-
-static int probe_lvm1(blkid_probe pr, const struct blkid_idmag *mag)
-{
- struct lvm1_pv_label_header *label;
- char uuid[LVM2_ID_LEN + 7];
- unsigned int version;
-
- label = blkid_probe_get_sb(pr, mag, struct lvm1_pv_label_header);
- if (!label)
- return -1;
-
- version = le16_to_cpu(label->version);
- if (version != 1 && version != 2)
- return 1;
-
- format_lvm_uuid(uuid, (char *) label->pv_uuid);
- blkid_probe_sprintf_uuid(pr, label->pv_uuid, sizeof(label->pv_uuid),
- "%s", uuid);
-
- return 0;
-}
-
-struct verity_sb {
- uint8_t signature[8]; /* "verity\0\0" */
- uint32_t version; /* superblock version */
- uint32_t hash_type; /* 0 - Chrome OS, 1 - normal */
- uint8_t uuid[16]; /* UUID of hash device */
- uint8_t algorithm[32];/* hash algorithm name */
- uint32_t data_block_size; /* data block in bytes */
- uint32_t hash_block_size; /* hash block in bytes */
- uint64_t data_blocks; /* number of data blocks */
- uint16_t salt_size; /* salt size */
- uint8_t _pad1[6];
- uint8_t salt[256]; /* salt */
- uint8_t _pad2[168];
-} __attribute__((packed));
-
-static int probe_verity(blkid_probe pr, const struct blkid_idmag *mag)
-{
- struct verity_sb *sb;
- unsigned int version;
-
- sb = blkid_probe_get_sb(pr, mag, struct verity_sb);
- if (sb == NULL)
- return -1;
-
- version = le32_to_cpu(sb->version);
- if (version != 1)
- return 1;
-
- blkid_probe_set_uuid(pr, sb->uuid);
- blkid_probe_sprintf_version(pr, "%u", version);
- return 0;
-}
-
-/* NOTE: the original libblkid uses "lvm2pv" as a name */
-const struct blkid_idinfo lvm2_idinfo =
-{
- .name = "LVM2_member",
- .usage = BLKID_USAGE_RAID,
- .probefunc = probe_lvm2,
- .magics =
- {
- { .magic = "LVM2 001", .len = 8, .sboff = 0x218 },
- { .magic = "LVM2 001", .len = 8, .sboff = 0x018 },
- { .magic = "LVM2 001", .len = 8, .kboff = 1, .sboff = 0x018 },
- { .magic = "LVM2 001", .len = 8, .kboff = 1, .sboff = 0x218 },
- { NULL }
- }
-};
-
-const struct blkid_idinfo lvm1_idinfo =
-{
- .name = "LVM1_member",
- .usage = BLKID_USAGE_RAID,
- .probefunc = probe_lvm1,
- .magics =
- {
- { .magic = "HM", .len = 2 },
- { NULL }
- }
-};
-
-const struct blkid_idinfo snapcow_idinfo =
-{
- .name = "DM_snapshot_cow",
- .usage = BLKID_USAGE_OTHER,
- .magics =
- {
- { .magic = "SnAp", .len = 4 },
- { NULL }
- }
-};
-
-const struct blkid_idinfo verity_hash_idinfo =
-{
- .name = "DM_verity_hash",
- .usage = BLKID_USAGE_CRYPTO,
- .probefunc = probe_verity,
- .magics =
- {
- { .magic = "verity\0\0", .len = 8 },
- { NULL }
- }
-};
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 13:44:46 +0200