diff options
Diffstat (limited to 'extras/volume_id/lib/ocfs.c')
| -rw-r--r-- | extras/volume_id/lib/ocfs.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/extras/volume_id/lib/ocfs.c b/extras/volume_id/lib/ocfs.c deleted file mode 100644 index e7bf55c421..0000000000 --- a/extras/volume_id/lib/ocfs.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * volume_id - reads filesystem label and uuid - * - * Copyright (C) 2004 Andre Masella <andre@masella.no-ip.org> - * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.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" - -struct ocfs1_super_block_header { - uint32_t minor_version; - uint32_t major_version; - uint8_t signature[128]; - uint8_t mount_point[128]; - uint64_t serial_num; - uint64_t device_size; - uint64_t start_off; - uint64_t bitmap_off; - uint64_t publ_off; - uint64_t vote_off; - uint64_t root_bitmap_off; - uint64_t data_start_off; - uint64_t root_bitmap_size; - uint64_t root_off; - uint64_t root_size; - uint64_t cluster_size; - uint64_t num_nodes; - uint64_t num_clusters; - uint64_t dir_node_size; - uint64_t file_node_size; - uint64_t internal_off; - uint64_t node_cfg_off; - uint64_t node_cfg_size; - uint64_t new_cfg_off; - uint32_t prot_bits; - int32_t excl_mount; -} PACKED; - -struct ocfs1_super_block_label { - struct ocfs1_disk_lock { - uint32_t curr_master; - uint8_t file_lock; - uint8_t compat_pad[3]; - uint64_t last_write_time; - uint64_t last_read_time; - uint32_t writer_node_num; - uint32_t reader_node_num; - uint64_t oin_node_map; - uint64_t dlock_seq_num; - } PACKED disk_lock; - uint8_t label[64]; - uint16_t label_len; - uint8_t vol_id[16]; - uint16_t vol_id_len; - uint8_t cluster_name[64]; - uint16_t cluster_name_len; -} PACKED; - -struct ocfs2_super_block { - uint8_t i_signature[8]; - uint32_t i_generation; - int16_t i_suballoc_slot; - uint16_t i_suballoc_bit; - uint32_t i_reserved0; - uint32_t i_clusters; - uint32_t i_uid; - uint32_t i_gid; - uint64_t i_size; - uint16_t i_mode; - uint16_t i_links_count; - uint32_t i_flags; - uint64_t i_atime; - uint64_t i_ctime; - uint64_t i_mtime; - uint64_t i_dtime; - uint64_t i_blkno; - uint64_t i_last_eb_blk; - uint32_t i_fs_generation; - uint32_t i_atime_nsec; - uint32_t i_ctime_nsec; - uint32_t i_mtime_nsec; - uint64_t i_reserved1[9]; - uint64_t i_pad1; - uint16_t s_major_rev_level; - uint16_t s_minor_rev_level; - uint16_t s_mnt_count; - int16_t s_max_mnt_count; - uint16_t s_state; - uint16_t s_errors; - uint32_t s_checkinterval; - uint64_t s_lastcheck; - uint32_t s_creator_os; - uint32_t s_feature_compat; - uint32_t s_feature_incompat; - uint32_t s_feature_ro_compat; - uint64_t s_root_blkno; - uint64_t s_system_dir_blkno; - uint32_t s_blocksize_bits; - uint32_t s_clustersize_bits; - uint16_t s_max_slots; - uint16_t s_reserved1; - uint32_t s_reserved2; - uint64_t s_first_cluster_group; - uint8_t s_label[64]; - uint8_t s_uuid[16]; -} PACKED; - -int volume_id_probe_ocfs1(struct volume_id *id, uint64_t off, uint64_t size) -{ - const uint8_t *buf; - struct ocfs1_super_block_header *osh; - struct ocfs1_super_block_label *osl; - - info("probing at offset 0x%" PRIx64 "\n", off); - - buf = volume_id_get_buffer(id, off, 0x200); - if (buf == NULL) - return -1; - - osh = (struct ocfs1_super_block_header *) buf; - if (memcmp(osh->signature, "OracleCFS", 9) != 0) - return -1; - snprintf(id->type_version, sizeof(id->type_version)-1, - "%u.%u", osh->major_version, osh->minor_version); - - dbg("found OracleCFS signature, now reading label\n"); - buf = volume_id_get_buffer(id, off + 0x200, 0x200); - if (buf == NULL) - return -1; - - osl = (struct ocfs1_super_block_label *) buf; - volume_id_set_usage(id, VOLUME_ID_FILESYSTEM); - if (osl->label_len <= 64) { - volume_id_set_label_raw(id, osl->label, 64); - volume_id_set_label_string(id, osl->label, 64); - } - if (osl->vol_id_len == 16) - volume_id_set_uuid(id, osl->vol_id, 0, UUID_DCE); - id->type = "ocfs"; - return 0; -} - -#define OCFS2_MAX_BLOCKSIZE 0x1000 -#define OCFS2_SUPER_BLOCK_BLKNO 2 - -int volume_id_probe_ocfs2(struct volume_id *id, uint64_t off, uint64_t size) -{ - const uint8_t *buf; - struct ocfs2_super_block *os; - size_t blksize; - - info("probing at offset 0x%" PRIx64 "\n", off); - - for (blksize = 0x200; blksize <= OCFS2_MAX_BLOCKSIZE; blksize <<= 1) { - buf = volume_id_get_buffer(id, off + OCFS2_SUPER_BLOCK_BLKNO * blksize, 0x200); - if (buf == NULL) - return -1; - - os = (struct ocfs2_super_block *) buf; - if (memcmp(os->i_signature, "OCFSV2", 6) != 0) - continue; - - volume_id_set_usage(id, VOLUME_ID_FILESYSTEM); - volume_id_set_label_raw(id, os->s_label, 64); - volume_id_set_label_string(id, os->s_label, 64); - volume_id_set_uuid(id, os->s_uuid, 0, UUID_DCE); - snprintf(id->type_version, sizeof(id->type_version)-1, - "%u.%u", os->s_major_rev_level, os->s_minor_rev_level); - id->type = "ocfs2"; - return 0; - } - return -1; -} |