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Diffstat (limited to 'include/grub/ntfs.h')
| -rw-r--r-- | include/grub/ntfs.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/include/grub/ntfs.h b/include/grub/ntfs.h new file mode 100644 index 0000000..31b9939 --- /dev/null +++ b/include/grub/ntfs.h @@ -0,0 +1,183 @@ +/* ntfs.h - header for the NTFS filesystem */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007,2009 Free Software Foundation, Inc. + * + * GRUB 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 3 of the License, or + * (at your option) any later version. + * + * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef GRUB_NTFS_H +#define GRUB_NTFS_H 1 + +#define FILE_MFT 0 +#define FILE_MFTMIRR 1 +#define FILE_LOGFILE 2 +#define FILE_VOLUME 3 +#define FILE_ATTRDEF 4 +#define FILE_ROOT 5 +#define FILE_BITMAP 6 +#define FILE_BOOT 7 +#define FILE_BADCLUS 8 +#define FILE_QUOTA 9 +#define FILE_UPCASE 10 + +#define AT_STANDARD_INFORMATION 0x10 +#define AT_ATTRIBUTE_LIST 0x20 +#define AT_FILENAME 0x30 +#define AT_OBJECT_ID 0x40 +#define AT_SECURITY_DESCRIPTOR 0x50 +#define AT_VOLUME_NAME 0x60 +#define AT_VOLUME_INFORMATION 0x70 +#define AT_DATA 0x80 +#define AT_INDEX_ROOT 0x90 +#define AT_INDEX_ALLOCATION 0xA0 +#define AT_BITMAP 0xB0 +#define AT_SYMLINK 0xC0 +#define AT_EA_INFORMATION 0xD0 +#define AT_EA 0xE0 + +#define ATTR_READ_ONLY 0x1 +#define ATTR_HIDDEN 0x2 +#define ATTR_SYSTEM 0x4 +#define ATTR_ARCHIVE 0x20 +#define ATTR_DEVICE 0x40 +#define ATTR_NORMAL 0x80 +#define ATTR_TEMPORARY 0x100 +#define ATTR_SPARSE 0x200 +#define ATTR_REPARSE 0x400 +#define ATTR_COMPRESSED 0x800 +#define ATTR_OFFLINE 0x1000 +#define ATTR_NOT_INDEXED 0x2000 +#define ATTR_ENCRYPTED 0x4000 +#define ATTR_DIRECTORY 0x10000000 +#define ATTR_INDEX_VIEW 0x20000000 + +#define FLAG_COMPRESSED 1 +#define FLAG_ENCRYPTED 0x4000 +#define FLAG_SPARSE 0x8000 + +#define BLK_SHR GRUB_DISK_SECTOR_BITS + +#define MAX_MFT (1024 >> BLK_SHR) +#define MAX_IDX (16384 >> BLK_SHR) + +#define COM_LEN 4096 +#define COM_LOG_LEN 12 +#define COM_SEC (COM_LEN >> BLK_SHR) + +#define AF_ALST 1 +#define AF_MMFT 2 +#define AF_GPOS 4 + +#define RF_COMP 1 +#define RF_CBLK 2 +#define RF_BLNK 4 + +#define valueat(buf,ofs,type) *((type*)(((char*)buf)+ofs)) + +#define u16at(buf,ofs) grub_le_to_cpu16(valueat(buf,ofs,grub_uint16_t)) +#define u32at(buf,ofs) grub_le_to_cpu32(valueat(buf,ofs,grub_uint32_t)) +#define u64at(buf,ofs) grub_le_to_cpu64(valueat(buf,ofs,grub_uint64_t)) + +#define v16at(buf,ofs) valueat(buf,ofs,grub_uint16_t) +#define v32at(buf,ofs) valueat(buf,ofs,grub_uint32_t) +#define v64at(buf,ofs) valueat(buf,ofs,grub_uint64_t) + +struct grub_ntfs_bpb +{ + grub_uint8_t jmp_boot[3]; + grub_uint8_t oem_name[8]; + grub_uint16_t bytes_per_sector; + grub_uint8_t sectors_per_cluster; + grub_uint8_t reserved_1[7]; + grub_uint8_t media; + grub_uint16_t reserved_2; + grub_uint16_t sectors_per_track; + grub_uint16_t num_heads; + grub_uint32_t num_hidden_sectors; + grub_uint32_t reserved_3[2]; + grub_uint64_t num_total_sectors; + grub_uint64_t mft_lcn; + grub_uint64_t mft_mirr_lcn; + grub_int8_t clusters_per_mft; + grub_int8_t reserved_4[3]; + grub_int8_t clusters_per_index; + grub_int8_t reserved_5[3]; + grub_uint64_t num_serial; + grub_uint32_t checksum; +} __attribute__ ((packed)); + +#define grub_ntfs_file grub_fshelp_node + +struct grub_ntfs_attr +{ + int flags; + char *emft_buf, *edat_buf; + char *attr_cur, *attr_nxt, *attr_end; + grub_uint32_t save_pos; + char *sbuf; + struct grub_ntfs_file *mft; +}; + +struct grub_fshelp_node +{ + struct grub_ntfs_data *data; + char *buf; + grub_uint64_t size; + grub_uint32_t ino; + int inode_read; + struct grub_ntfs_attr attr; +}; + +struct grub_ntfs_data +{ + struct grub_ntfs_file cmft; + struct grub_ntfs_file mmft; + grub_disk_t disk; + grub_uint32_t mft_size; + grub_uint32_t idx_size; + grub_uint32_t spc; + grub_uint32_t blocksize; + grub_uint32_t mft_start; + grub_uint64_t uuid; +}; + +struct grub_ntfs_comp +{ + grub_disk_t disk; + int comp_head, comp_tail; + grub_uint32_t comp_table[16][2]; + grub_uint32_t cbuf_ofs, cbuf_vcn, spc; + char *cbuf; +}; + +struct grub_ntfs_rlst +{ + int flags; + grub_disk_addr_t target_vcn, curr_vcn, next_vcn, curr_lcn; + char *cur_run; + struct grub_ntfs_attr *attr; + struct grub_ntfs_comp comp; +}; + +typedef grub_err_t (*ntfscomp_func_t) (struct grub_ntfs_attr * at, char *dest, + grub_uint32_t ofs, grub_uint32_t len, + struct grub_ntfs_rlst * ctx, + grub_uint32_t vcn); + +extern ntfscomp_func_t EXPORT_VAR (grub_ntfscomp_func); + +grub_err_t EXPORT_FUNC(grub_ntfs_read_run_list) (struct grub_ntfs_rlst *ctx); + +#endif /* ! GRUB_NTFS_H */ |