#include "../util.h"
#include "hfs.h"
+struct hfs_finder_info{
+ __u32 boot_folder;
+ __u32 start_app;
+ __u32 open_folder;
+ __u32 os9_folder;
+ __u32 reserved;
+ __u32 osx_folder;
+ __u8 id[8];
+} __attribute__((__packed__));
+
+struct hfs_mdb {
+ __u8 signature[2];
+ __u32 cr_date;
+ __u32 ls_Mod;
+ __u16 atrb;
+ __u16 nm_fls;
+ __u16 vbm_st;
+ __u16 alloc_ptr;
+ __u16 nm_al_blks;
+ __u32 al_blk_size;
+ __u32 clp_size;
+ __u16 al_bl_st;
+ __u32 nxt_cnid;
+ __u16 free_bks;
+ __u8 label_len;
+ __u8 label[27];
+ __u32 vol_bkup;
+ __u16 vol_seq_num;
+ __u32 wr_cnt;
+ __u32 xt_clump_size;
+ __u32 ct_clump_size;
+ __u16 num_root_dirs;
+ __u32 file_count;
+ __u32 dir_count;
+ struct hfs_finder_info finder_info;
+ __u8 embed_sig[2];
+ __u16 embed_startblock;
+ __u16 embed_blockcount;
+} __attribute__((__packed__)) *hfs;
+
+struct hfsplus_bnode_descriptor {
+ __u32 next;
+ __u32 prev;
+ __u8 type;
+ __u8 height;
+ __u16 num_recs;
+ __u16 reserved;
+} __attribute__((__packed__));
+
+struct hfsplus_bheader_record {
+ __u16 depth;
+ __u32 root;
+ __u32 leaf_count;
+ __u32 leaf_head;
+ __u32 leaf_tail;
+ __u16 node_size;
+} __attribute__((__packed__));
+
+struct hfsplus_catalog_key {
+ __u16 key_len;
+ __u32 parent_id;
+ __u16 unicode_len;
+ __u8 unicode[255 * 2];
+} __attribute__((__packed__));
+
+struct hfsplus_extent {
+ __u32 start_block;
+ __u32 block_count;
+} __attribute__((__packed__));
+
+#define HFSPLUS_EXTENT_COUNT 8
+struct hfsplus_fork {
+ __u64 total_size;
+ __u32 clump_size;
+ __u32 total_blocks;
+ struct hfsplus_extent extents[HFSPLUS_EXTENT_COUNT];
+} __attribute__((__packed__));
+
+struct hfsplus_vol_header {
+ __u8 signature[2];
+ __u16 version;
+ __u32 attributes;
+ __u32 last_mount_vers;
+ __u32 reserved;
+ __u32 create_date;
+ __u32 modify_date;
+ __u32 backup_date;
+ __u32 checked_date;
+ __u32 file_count;
+ __u32 folder_count;
+ __u32 blocksize;
+ __u32 total_blocks;
+ __u32 free_blocks;
+ __u32 next_alloc;
+ __u32 rsrc_clump_sz;
+ __u32 data_clump_sz;
+ __u32 next_cnid;
+ __u32 write_count;
+ __u64 encodings_bmp;
+ struct hfs_finder_info finder_info;
+ struct hfsplus_fork alloc_file;
+ struct hfsplus_fork ext_file;
+ struct hfsplus_fork cat_file;
+ struct hfsplus_fork attr_file;
+ struct hfsplus_fork start_file;
+} __attribute__((__packed__)) *hfsplus;
+
#define HFS_SUPERBLOCK_OFFSET 0x400
#define HFS_NODE_LEAF 0xff
#define HFSPLUS_POR_CNID 1
-#define HFSPLUS_EXTENT_COUNT 8
int volume_id_probe_hfs_hfsplus(struct volume_id *id, __u64 off)
{
- struct hfs_finder_info{
- __u32 boot_folder;
- __u32 start_app;
- __u32 open_folder;
- __u32 os9_folder;
- __u32 reserved;
- __u32 osx_folder;
- __u8 id[8];
- } __attribute__((__packed__));
-
- struct hfs_mdb {
- __u8 signature[2];
- __u32 cr_date;
- __u32 ls_Mod;
- __u16 atrb;
- __u16 nm_fls;
- __u16 vbm_st;
- __u16 alloc_ptr;
- __u16 nm_al_blks;
- __u32 al_blk_size;
- __u32 clp_size;
- __u16 al_bl_st;
- __u32 nxt_cnid;
- __u16 free_bks;
- __u8 label_len;
- __u8 label[27];
- __u32 vol_bkup;
- __u16 vol_seq_num;
- __u32 wr_cnt;
- __u32 xt_clump_size;
- __u32 ct_clump_size;
- __u16 num_root_dirs;
- __u32 file_count;
- __u32 dir_count;
- struct hfs_finder_info finder_info;
- __u8 embed_sig[2];
- __u16 embed_startblock;
- __u16 embed_blockcount;
- } __attribute__((__packed__)) *hfs;
-
- struct hfsplus_bnode_descriptor {
- __u32 next;
- __u32 prev;
- __u8 type;
- __u8 height;
- __u16 num_recs;
- __u16 reserved;
- } __attribute__((__packed__));
-
- struct hfsplus_bheader_record {
- __u16 depth;
- __u32 root;
- __u32 leaf_count;
- __u32 leaf_head;
- __u32 leaf_tail;
- __u16 node_size;
- } __attribute__((__packed__));
-
- struct hfsplus_catalog_key {
- __u16 key_len;
- __u32 parent_id;
- __u16 unicode_len;
- __u8 unicode[255 * 2];
- } __attribute__((__packed__));
-
- struct hfsplus_extent {
- __u32 start_block;
- __u32 block_count;
- } __attribute__((__packed__));
-
- struct hfsplus_fork {
- __u64 total_size;
- __u32 clump_size;
- __u32 total_blocks;
- struct hfsplus_extent extents[HFSPLUS_EXTENT_COUNT];
- } __attribute__((__packed__));
-
- struct hfsplus_vol_header {
- __u8 signature[2];
- __u16 version;
- __u32 attributes;
- __u32 last_mount_vers;
- __u32 reserved;
- __u32 create_date;
- __u32 modify_date;
- __u32 backup_date;
- __u32 checked_date;
- __u32 file_count;
- __u32 folder_count;
- __u32 blocksize;
- __u32 total_blocks;
- __u32 free_blocks;
- __u32 next_alloc;
- __u32 rsrc_clump_sz;
- __u32 data_clump_sz;
- __u32 next_cnid;
- __u32 write_count;
- __u64 encodings_bmp;
- struct hfs_finder_info finder_info;
- struct hfsplus_fork alloc_file;
- struct hfsplus_fork ext_file;
- struct hfsplus_fork cat_file;
- struct hfsplus_fork attr_file;
- struct hfsplus_fork start_file;
- } __attribute__((__packed__)) *hfsplus;
-
unsigned int blocksize;
unsigned int cat_block;
unsigned int ext_block_start;
struct hfsplus_extent extents[HFSPLUS_EXTENT_COUNT];
const __u8 *buf;
+ dbg("probing at offset %llu", off);
+
buf = volume_id_get_buffer(id, off + HFS_SUPERBLOCK_OFFSET, 0x200);
if (buf == NULL)
return -1;
~ianmdlvl / elogind.git / blobdiff