ad4936a035
* include/grub/ntfs.h (struct grub_ntfs_bpb): Rename `serial_number' to
`num_serial' (for consistency with other variables).
(struct grub_ntfs_data): Add `uuid' member.
* fs/ntfs.c (grub_ntfs_mount): Initialize `data->uuid'.
(grub_ntfs_uuid): New function.
(grub_ntfs_fs): Reference grub_ntfs_uuid() in `uuid' struct member.
184 lines
4.7 KiB
C
184 lines
4.7 KiB
C
/* ntfs.h - header for the NTFS filesystem */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2007 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_NTFS_H
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#define GRUB_NTFS_H 1
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#define FILE_MFT 0
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#define FILE_MFTMIRR 1
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#define FILE_LOGFILE 2
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#define FILE_VOLUME 3
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#define FILE_ATTRDEF 4
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#define FILE_ROOT 5
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#define FILE_BITMAP 6
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#define FILE_BOOT 7
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#define FILE_BADCLUS 8
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#define FILE_QUOTA 9
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#define FILE_UPCASE 10
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#define AT_STANDARD_INFORMATION 0x10
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#define AT_ATTRIBUTE_LIST 0x20
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#define AT_FILENAME 0x30
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#define AT_OBJECT_ID 0x40
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#define AT_SECURITY_DESCRIPTOR 0x50
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#define AT_VOLUME_NAME 0x60
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#define AT_VOLUME_INFORMATION 0x70
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#define AT_DATA 0x80
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#define AT_INDEX_ROOT 0x90
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#define AT_INDEX_ALLOCATION 0xA0
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#define AT_BITMAP 0xB0
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#define AT_SYMLINK 0xC0
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#define AT_EA_INFORMATION 0xD0
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#define AT_EA 0xE0
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#define ATTR_READ_ONLY 0x1
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#define ATTR_HIDDEN 0x2
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#define ATTR_SYSTEM 0x4
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#define ATTR_ARCHIVE 0x20
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#define ATTR_DEVICE 0x40
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#define ATTR_NORMAL 0x80
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#define ATTR_TEMPORARY 0x100
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#define ATTR_SPARSE 0x200
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#define ATTR_REPARSE 0x400
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#define ATTR_COMPRESSED 0x800
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#define ATTR_OFFLINE 0x1000
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#define ATTR_NOT_INDEXED 0x2000
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#define ATTR_ENCRYPTED 0x4000
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#define ATTR_DIRECTORY 0x10000000
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#define ATTR_INDEX_VIEW 0x20000000
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#define FLAG_COMPRESSED 1
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#define FLAG_ENCRYPTED 0x4000
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#define FLAG_SPARSE 0x8000
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#define BLK_SHR GRUB_DISK_SECTOR_BITS
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#define MAX_MFT (1024 >> BLK_SHR)
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#define MAX_IDX (16384 >> BLK_SHR)
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#define COM_LEN 4096
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#define COM_SEC (COM_LEN >> BLK_SHR)
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#define BMP_LEN 4096
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#define AF_ALST 1
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#define AF_MMFT 2
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#define AF_GPOS 4
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#define RF_COMP 1
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#define RF_CBLK 2
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#define RF_BLNK 4
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#define valueat(buf,ofs,type) *((type*)(((char*)buf)+ofs))
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#define u16at(buf,ofs) grub_le_to_cpu16(valueat(buf,ofs,grub_uint16_t))
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#define u32at(buf,ofs) grub_le_to_cpu32(valueat(buf,ofs,grub_uint32_t))
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#define u64at(buf,ofs) grub_le_to_cpu64(valueat(buf,ofs,grub_uint64_t))
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#define v16at(buf,ofs) valueat(buf,ofs,grub_uint16_t)
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#define v32at(buf,ofs) valueat(buf,ofs,grub_uint32_t)
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#define v64at(buf,ofs) valueat(buf,ofs,grub_uint64_t)
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struct grub_ntfs_bpb
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{
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grub_uint8_t jmp_boot[3];
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grub_uint8_t oem_name[8];
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grub_uint16_t bytes_per_sector;
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grub_uint8_t sectors_per_cluster;
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grub_uint8_t reserved_1[7];
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grub_uint8_t media;
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grub_uint16_t reserved_2;
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grub_uint16_t sectors_per_track;
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grub_uint16_t num_heads;
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grub_uint32_t num_hidden_sectors;
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grub_uint32_t reserved_3[2];
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grub_uint64_t num_total_sectors;
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grub_uint64_t mft_lcn;
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grub_uint64_t mft_mirr_lcn;
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grub_int8_t clusters_per_mft;
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grub_int8_t reserved_4[3];
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grub_int8_t clusters_per_index;
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grub_int8_t reserved_5[3];
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grub_uint64_t num_serial;
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grub_uint32_t checksum;
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} __attribute__ ((packed));
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#define grub_ntfs_file grub_fshelp_node
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struct grub_ntfs_attr
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{
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int flags;
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char *emft_buf, *edat_buf;
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char *attr_cur, *attr_nxt, *attr_end;
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grub_uint32_t save_pos;
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char *sbuf;
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struct grub_ntfs_file *mft;
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};
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struct grub_fshelp_node
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{
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struct grub_ntfs_data *data;
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char *buf;
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grub_uint32_t size;
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grub_uint32_t ino;
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int inode_read;
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struct grub_ntfs_attr attr;
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};
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struct grub_ntfs_data
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{
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struct grub_ntfs_file cmft;
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struct grub_ntfs_file mmft;
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grub_disk_t disk;
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grub_uint32_t mft_size;
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grub_uint32_t idx_size;
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grub_uint32_t spc;
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grub_uint32_t blocksize;
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grub_uint32_t mft_start;
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grub_uint64_t uuid;
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};
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struct grub_ntfs_comp
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{
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grub_disk_t disk;
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int comp_head, comp_tail;
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grub_uint32_t comp_table[16][2];
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grub_uint32_t cbuf_ofs, cbuf_vcn, spc;
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char *cbuf;
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};
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struct grub_ntfs_rlst
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{
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int flags;
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grub_uint32_t target_vcn, curr_vcn, next_vcn, curr_lcn;
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char *cur_run;
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struct grub_ntfs_attr *attr;
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struct grub_ntfs_comp comp;
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};
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typedef grub_err_t (*ntfscomp_func_t) (struct grub_ntfs_attr * at, char *dest,
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grub_uint32_t ofs, grub_uint32_t len,
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struct grub_ntfs_rlst * ctx,
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grub_uint32_t vcn);
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extern ntfscomp_func_t EXPORT_VAR (grub_ntfscomp_func);
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grub_err_t EXPORT_FUNC(grub_ntfs_read_run_list) (struct grub_ntfs_rlst *ctx);
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#endif /* ! GRUB_NTFS_H */
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