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1. Optimization for WIMBOOT mode.
2. Add WIMBOOT for UEFI mode.
This commit is contained in:
longpanda
196
wimboot/wimboot-2.7.3/src/wim.h
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196
wimboot/wimboot-2.7.3/src/wim.h
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#ifndef _WIM_H
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#define _WIM_H
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/*
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* Copyright (C) 2014 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* @file
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*
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* WIM images
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*
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* The file format is documented in the document "Windows Imaging File
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* Format (WIM)", available from
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*
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* http://www.microsoft.com/en-us/download/details.aspx?id=13096
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*
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* The wimlib source code is also a useful reference.
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*
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*/
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#include <stdint.h>
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/** A WIM resource header */
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struct wim_resource_header {
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/** Compressed length and flags */
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uint64_t zlen__flags;
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/** Offset */
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uint64_t offset;
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/** Uncompressed length */
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uint64_t len;
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} __attribute__ (( packed ));
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/** WIM resource header length mask */
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#define WIM_RESHDR_ZLEN_MASK 0x00ffffffffffffffULL
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/** WIM resource header flags */
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enum wim_resource_header_flags {
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/** Resource contains metadata */
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WIM_RESHDR_METADATA = ( 0x02ULL << 56 ),
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/** Resource is compressed */
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WIM_RESHDR_COMPRESSED = ( 0x04ULL << 56 ),
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/** Resource is compressed using packed streams */
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WIM_RESHDR_PACKED_STREAMS = ( 0x10ULL << 56 ),
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};
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/** A WIM header */
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struct wim_header {
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/** Signature */
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uint8_t signature[8];
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/** Header length */
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uint32_t header_len;
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/** Verson */
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uint32_t version;
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/** Flags */
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uint32_t flags;
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/** Chunk length */
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uint32_t chunk_len;
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/** GUID */
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uint8_t guid[16];
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/** Part number */
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uint16_t part;
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/** Total number of parts */
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uint16_t parts;
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/** Number of images */
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uint32_t images;
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/** Lookup table */
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struct wim_resource_header lookup;
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/** XML data */
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struct wim_resource_header xml;
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/** Boot metadata */
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struct wim_resource_header boot;
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/** Boot index */
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uint32_t boot_index;
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/** Integrity table */
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struct wim_resource_header integrity;
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/** Reserved */
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uint8_t reserved[60];
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} __attribute__ (( packed ));;
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/** WIM header flags */
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enum wim_header_flags {
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/** WIM uses Xpress compresson */
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WIM_HDR_XPRESS = 0x00020000,
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/** WIM uses LZX compression */
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WIM_HDR_LZX = 0x00040000,
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};
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/** A WIM file hash */
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struct wim_hash {
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/** SHA-1 hash */
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uint8_t sha1[20];
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} __attribute__ (( packed ));
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/** A WIM lookup table entry */
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struct wim_lookup_entry {
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/** Resource header */
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struct wim_resource_header resource;
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/** Part number */
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uint16_t part;
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/** Reference count */
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uint32_t refcnt;
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/** Hash */
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struct wim_hash hash;
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} __attribute__ (( packed ));
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/** WIM chunk length */
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#define WIM_CHUNK_LEN 32768
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/** A WIM chunk buffer */
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struct wim_chunk_buffer {
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/** Data */
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uint8_t data[WIM_CHUNK_LEN];
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};
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/** Security data */
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struct wim_security_header {
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/** Length */
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uint32_t len;
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/** Number of entries */
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uint32_t count;
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} __attribute__ (( packed ));
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/** Directory entry */
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struct wim_directory_entry {
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/** Length */
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uint64_t len;
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/** Attributes */
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uint32_t attributes;
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/** Security ID */
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uint32_t security;
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/** Subdirectory offset */
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uint64_t subdir;
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/** Reserved */
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uint8_t reserved1[16];
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/** Creation time */
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uint64_t created;
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/** Last access time */
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uint64_t accessed;
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/** Last written time */
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uint64_t written;
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/** Hash */
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struct wim_hash hash;
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/** Reserved */
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uint8_t reserved2[12];
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/** Streams */
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uint16_t streams;
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/** Short name length */
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uint16_t short_name_len;
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/** Name length */
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uint16_t name_len;
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} __attribute__ (( packed ));
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/** Normal file */
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#define WIM_ATTR_NORMAL 0x00000080UL
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/** No security information exists for this file */
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#define WIM_NO_SECURITY 0xffffffffUL
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/** Windows complains if the time fields are left at zero */
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#define WIM_MAGIC_TIME 0x1a7b83d2ad93000ULL
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extern int wim_header ( struct vdisk_file *file, struct wim_header *header );
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extern int wim_count ( struct vdisk_file *file, struct wim_header *header,
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unsigned int *count );
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extern int wim_metadata ( struct vdisk_file *file, struct wim_header *header,
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unsigned int index, struct wim_resource_header *meta);
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extern int wim_read ( struct vdisk_file *file, struct wim_header *header,
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struct wim_resource_header *resource, void *data,
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size_t offset, size_t len );
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extern int wim_path ( struct vdisk_file *file, struct wim_header *header,
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struct wim_resource_header *meta, const wchar_t *path,
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size_t *offset, struct wim_directory_entry *direntry );
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extern int wim_file ( struct vdisk_file *file, struct wim_header *header,
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struct wim_resource_header *meta, const wchar_t *path,
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struct wim_resource_header *resource );
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extern int wim_dir_len ( struct vdisk_file *file, struct wim_header *header,
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struct wim_resource_header *meta, size_t offset,
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size_t *len );
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#endif /* _WIM_H */
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