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Diffstat (limited to 'include/grub/ntfs.h')
| -rw-r--r-- | include/grub/ntfs.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/include/grub/ntfs.h b/include/grub/ntfs.h new file mode 100644 index 0000000..d1a6af6 --- /dev/null +++ b/include/grub/ntfs.h @@ -0,0 +1,198 @@ +/* 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 + +enum + { + GRUB_NTFS_FILE_MFT = 0, + GRUB_NTFS_FILE_MFTMIRR = 1, + GRUB_NTFS_FILE_LOGFILE = 2, + GRUB_NTFS_FILE_VOLUME = 3, + GRUB_NTFS_FILE_ATTRDEF = 4, + GRUB_NTFS_FILE_ROOT = 5, + GRUB_NTFS_FILE_BITMAP = 6, + GRUB_NTFS_FILE_BOOT = 7, + GRUB_NTFS_FILE_BADCLUS = 8, + GRUB_NTFS_FILE_QUOTA = 9, + GRUB_NTFS_FILE_UPCASE = 10, + }; + +enum + { + GRUB_NTFS_AT_STANDARD_INFORMATION = 0x10, + GRUB_NTFS_AT_ATTRIBUTE_LIST = 0x20, + GRUB_NTFS_AT_FILENAME = 0x30, + GRUB_NTFS_AT_OBJECT_ID = 0x40, + GRUB_NTFS_AT_SECURITY_DESCRIPTOR = 0x50, + GRUB_NTFS_AT_VOLUME_NAME = 0x60, + GRUB_NTFS_AT_VOLUME_INFORMATION = 0x70, + GRUB_NTFS_AT_DATA = 0x80, + GRUB_NTFS_AT_INDEX_ROOT = 0x90, + GRUB_NTFS_AT_INDEX_ALLOCATION = 0xA0, + GRUB_NTFS_AT_BITMAP = 0xB0, + GRUB_NTFS_AT_SYMLINK = 0xC0, + GRUB_NTFS_AT_EA_INFORMATION = 0xD0, + GRUB_NTFS_AT_EA = 0xE0, + }; + +enum + { + GRUB_NTFS_ATTR_READ_ONLY = 0x1, + GRUB_NTFS_ATTR_HIDDEN = 0x2, + GRUB_NTFS_ATTR_SYSTEM = 0x4, + GRUB_NTFS_ATTR_ARCHIVE = 0x20, + GRUB_NTFS_ATTR_DEVICE = 0x40, + GRUB_NTFS_ATTR_NORMAL = 0x80, + GRUB_NTFS_ATTR_TEMPORARY = 0x100, + GRUB_NTFS_ATTR_SPARSE = 0x200, + GRUB_NTFS_ATTR_REPARSE = 0x400, + GRUB_NTFS_ATTR_COMPRESSED = 0x800, + GRUB_NTFS_ATTR_OFFLINE = 0x1000, + GRUB_NTFS_ATTR_NOT_INDEXED = 0x2000, + GRUB_NTFS_ATTR_ENCRYPTED = 0x4000, + GRUB_NTFS_ATTR_DIRECTORY = 0x10000000, + GRUB_NTFS_ATTR_INDEX_VIEW = 0x20000000 + }; + +enum + { + GRUB_NTFS_FLAG_COMPRESSED = 1, + GRUB_NTFS_FLAG_ENCRYPTED = 0x4000, + GRUB_NTFS_FLAG_SPARSE = 0x8000 + }; + +#define GRUB_NTFS_BLK_SHR GRUB_DISK_SECTOR_BITS + +#define GRUB_NTFS_MAX_MFT (4096 >> GRUB_NTFS_BLK_SHR) +#define GRUB_NTFS_MAX_IDX (16384 >> GRUB_NTFS_BLK_SHR) + +#define GRUB_NTFS_COM_LEN 4096 +#define GRUB_NTFS_COM_LOG_LEN 12 +#define GRUB_NTFS_COM_SEC (GRUB_NTFS_COM_LEN >> GRUB_NTFS_BLK_SHR) +#define GRUB_NTFS_LOG_COM_SEC (GRUB_NTFS_COM_LOG_LEN - GRUB_NTFS_BLK_SHR) + +enum + { + GRUB_NTFS_AF_ALST = 1, + GRUB_NTFS_AF_MMFT = 2, + GRUB_NTFS_AF_GPOS = 4, + }; + +enum + { + GRUB_NTFS_RF_BLNK = 1 + }; + +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; + grub_uint8_t bios_drive; + grub_uint8_t reserved_4[3]; + 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_5[3]; + grub_int8_t clusters_per_index; + grub_int8_t reserved_6[3]; + grub_uint64_t num_serial; + grub_uint32_t checksum; +} GRUB_PACKED; + +struct grub_ntfs_attr +{ + int flags; + grub_uint8_t *emft_buf, *edat_buf; + grub_uint8_t *attr_cur, *attr_nxt, *attr_end; + grub_uint32_t save_pos; + grub_uint8_t *sbuf; + struct grub_ntfs_file *mft; +}; + +struct grub_ntfs_file +{ + struct grub_ntfs_data *data; + grub_uint8_t *buf; + grub_uint64_t size; + grub_uint64_t mtime; + grub_uint64_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_uint64_t mft_size; + grub_uint64_t idx_size; + int log_spc; + grub_uint64_t mft_start; + grub_uint64_t uuid; +}; + +struct grub_ntfs_comp_table_element +{ + grub_uint32_t next_vcn; + grub_uint32_t next_lcn; +}; + +struct grub_ntfs_comp +{ + grub_disk_t disk; + int comp_head, comp_tail; + struct grub_ntfs_comp_table_element comp_table[16]; + grub_uint32_t cbuf_ofs, cbuf_vcn; + int log_spc; + grub_uint8_t *cbuf; +}; + +struct grub_ntfs_rlst +{ + int flags; + grub_disk_addr_t target_vcn, curr_vcn, next_vcn, curr_lcn; + grub_uint8_t *cur_run; + struct grub_ntfs_attr *attr; + struct grub_ntfs_comp comp; + void *file; +}; + +typedef grub_err_t (*grub_ntfscomp_func_t) (grub_uint8_t *dest, + grub_disk_addr_t ofs, + grub_size_t len, + struct grub_ntfs_rlst * ctx); + +extern grub_ntfscomp_func_t grub_ntfscomp_func; + +grub_err_t grub_ntfs_read_run_list (struct grub_ntfs_rlst *ctx); + +#endif /* ! GRUB_NTFS_H */ |