*/
/*
- * Copyright (C) 2010 Carl Thijssen
- * Copyright (C) 2012 Eric Biggers
+ * Copyright (C) 2012, 2013 Eric Biggers
*
* This file is part of wimlib, a library for working with WIM files.
*
* wimlib is free software; you can redistribute it and/or modify it under the
- * terms of the GNU Lesser General Public License as published by the Free
- * Software Foundation; either version 2.1 of the License, or (at your option)
+ * 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.
*
* wimlib 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 Lesser General Public License for more
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
- * You should have received a copy of the GNU Lesser General Public License
+ * You should have received a copy of the GNU General Public License
* along with wimlib; if not, see http://www.gnu.org/licenses/.
*/
#ifndef _WIMLIB_INTERNAL_H
#define _WIMLIB_INTERNAL_H
+#include "config.h"
#include "util.h"
+#include "list.h"
+#include "wimlib.h"
+
+#if defined(WITH_FUSE) || defined(ENABLE_MULTITHREADED_COMPRESSION)
+#include <pthread.h>
+#endif
+
+#define WIMLIB_MAKEVERSION(major, minor, patch) \
+ ((major << 20) | (minor << 10) | patch)
+
+
+#define WIMLIB_VERSION_CODE \
+ WIMLIB_MAKEVERSION(WIMLIB_MAJOR_VERSION,\
+ WIMLIB_MINOR_VERSION,\
+ WIMLIB_PATCH_VERSION)
+
+#define WIMLIB_GET_PATCH_VERSION(version) \
+ ((version >> 0) & ((1 << 10) - 1))
+#define WIMLIB_GET_MINOR_VERSION(version) \
+ ((version >> 10) & ((1 << 10) - 1))
+#define WIMLIB_GET_MAJOR_VERSION(version) \
+ ((version >> 20) & ((1 << 10) - 1))
+
struct stat;
+struct wim_dentry;
+struct wim_inode;
+struct sd_set;
#define WIM_MAGIC_LEN 8
#define WIM_GID_LEN 16
#define WIM_UNUSED_LEN 60
-
/* Length of the WIM header on disk. */
#define WIM_HEADER_DISK_SIZE (148 + WIM_UNUSED_LEN)
* yet. The differences between the versions are undocumented. */
#define WIM_VERSION 0x10d00
-enum wim_integrity_status {
- WIM_INTEGRITY_OK,
- WIM_INTEGRITY_NOT_OK,
- WIM_INTEGRITY_NONEXISTENT,
-};
+#define REPARSE_POINT_MAX_SIZE (16 * 1024)
/* Metadata for a resource in a WIM file. */
struct resource_entry {
/* Flags for the `flags' field of the struct resource_entry structure. */
-/* ??? */
+/* I haven't seen this flag used in any of the WIMs I have examined. I assume
+ * it means that there are no references to the stream, so the space is free.
+ * However, even after deleting files from a WIM mounted with `imagex.exe
+ * /mountrw', I could not see this flag being used. Either way, we don't
+ * actually use this flag for anything. */
#define WIM_RESHDR_FLAG_FREE 0x01
-/* Indicates that a file resource is a metadata resource. */
+/* Indicates that the stream is a metadata resource for a WIM image. */
#define WIM_RESHDR_FLAG_METADATA 0x02
-/* Indicates that a file resource is compressed. */
+/* Indicates that the stream is compressed. */
#define WIM_RESHDR_FLAG_COMPRESSED 0x04
-/* ??? */
+/* I haven't seen this flag used in any of the WIMs I have examined. Perhaps it
+ * means that a stream could possibly be split among multiple split WIM parts.
+ * However, `imagex.exe /split' does not seem to create any WIMs like this.
+ * Either way, we don't actually use this flag for anything. */
#define WIM_RESHDR_FLAG_SPANNED 0x08
-
/* Header at the very beginning of the WIM file. */
-struct wim_header {
+struct wim_header {
/* Identifies the file as WIM file. Must be exactly
* {'M', 'S', 'W', 'I', 'M', 0, 0, 0} */
- //u8 magic[WIM_MAGIC_LEN];
+ //u8 magic[WIM_MAGIC_LEN];
/* size of WIM header in bytes. */
//u32 hdr_size;
- /* Version of the WIM file. M$ provides no documentation about exactly
- * what this field affects about the file format, other than the fact
- * that more recent versions have a higher value. */
+ /* Version of the WIM file. Microsoft provides no documentation about
+ * exactly what this field affects about the file format, other than the
+ * fact that more recent versions have a higher value. */
//u32 version;
/* Bitwise OR of one or more of the WIM_HDR_FLAG_* defined below. */
/* The size of the pieces that the uncompressed files were split up into
* when they were compressed. This should be the same as
- * WIM_CHUNK_SIZE. M$ incorrectly documents this as "the size of the
- * compressed .wim file in bytes".*/
+ * WIM_CHUNK_SIZE. Microsoft incorrectly documents this as "the size of
+ * the compressed .wim file in bytes".*/
//u32 chunk_size;
-
+
/* A unique identifier for the WIM file. */
- u8 guid[WIM_GID_LEN];
+ u8 guid[WIM_GID_LEN];
/* Part number of the WIM file in a spanned set. */
u16 part_number;
/* The index of the bootable image in the WIM file. If 0, there are no
* bootable images available. */
- u32 boot_idx;
+ u32 boot_idx;
/* The location of the optional integrity table used to verify the
* integrity WIM. Zeroed out if there is no integrity table.*/
//u8 unused[WIM_UNUSED_LEN];
};
-/* Flags for the `flags' field of the struct wim_header. */
-
+/* Flags for the `flags' field of the struct wim_header: */
-/* Reserved for future use by M$ */
+/* Reserved for future use */
#define WIM_HDR_FLAG_RESERVED 0x00000001
/* Files and metadata in the WIM are compressed. */
#define WIM_HDR_FLAG_COMPRESSION 0x00000002
-/* WIM is read-only. */
+/* WIM is read-only (wimlib ignores this because it's pretty much pointless) */
#define WIM_HDR_FLAG_READONLY 0x00000004
/* Resource data specified by images in this WIM may be contained in a different
- * WIM */
+ * WIM. Or in other words, this WIM is part of a split WIM. */
#define WIM_HDR_FLAG_SPANNED 0x00000008
-/* The WIM contains resources only; no filesystem metadata. */
+/* The WIM contains resources only; no filesystem metadata. wimlib ignores this
+ * flag, as it looks for resources in all the WIMs anyway. */
#define WIM_HDR_FLAG_RESOURCE_ONLY 0x00000010
-/* The WIM contains metadata only. */
+/* The WIM contains metadata only. wimlib ignores this flag. Note that all the
+ * metadata resources for a split WIM should be in the first part. */
#define WIM_HDR_FLAG_METADATA_ONLY 0x00000020
-/* Lock field to prevent multiple writers from writing the WIM concurrently. */
-#define WIM_HDR_FLAG_WRITE_IN_PROGRESS 0x00000040
+/* Lock field to prevent multiple writers from writing the WIM concurrently.
+ * wimlib ignores this flag as it uses flock() to acquire a real lock on the
+ * file (if supported by the underlying filesystem). */
+#define WIM_HDR_FLAG_WRITE_IN_PROGRESS 0x00000040
-/* Reparse point fixup ??? */
+/* Reparse point fixup flag. See docs for --rpfix and --norpfix in imagex, or
+ * WIMLIB_ADD_FLAG_{RPFIX,NORPFIX} in wimlib.h. Note that
+ * WIM_HDR_FLAG_RP_FIX is a header flag and just sets the default behavior for
+ * the WIM; it can still be overridder on a per-image basis. But there is no
+ * flag to set the default behavior for a specific image. */
#define WIM_HDR_FLAG_RP_FIX 0x00000080
-/* Unknown compression type */
+/* Unused, reserved flag for another compression type */
#define WIM_HDR_FLAG_COMPRESS_RESERVED 0x00010000
/* Resources within the WIM are compressed using "XPRESS" compression, which is
* a LZ77-based algorithm. */
#define WIM_HDR_FLAG_COMPRESS_LZX 0x00040000
+#ifdef WITH_NTFS_3G
+struct _ntfs_volume;
+#endif
-/* Structure for security data. Each image in the WIM file has its own security
- * data. */
+/* Table of security descriptors for a WIM image. */
struct wim_security_data {
- /* The total length of the security data, in bytes. A typical size is
- * 2048 bytes. If there is no security data, though (as in the WIMs
- * that wimlib writes, currently), it will be 8 bytes. */
+ /* The total length of the security data, in bytes. If there are no
+ * security descriptors, this field, when read from the on-disk metadata
+ * resource, may be either 8 (which is correct) or 0 (which is
+ * interpreted as 0). */
u32 total_length;
- /* The number of security descriptors in the array @descriptors, below. */
- u32 num_entries;
+ /* The number of security descriptors in the array @descriptors, below.
+ * It is really an unsigned int on-disk, but it must fit into an int
+ * because the security ID's are signed. (Not like you would ever have
+ * more than a few hundred security descriptors anyway.) */
+ int32_t num_entries;
/* Array of sizes of the descriptors in the array @descriptors. */
u64 *sizes;
/* Array of descriptors. */
u8 **descriptors;
-
- /* keep track of how many WIMs reference this security data (used when
- * exporting images between WIMs) */
- u32 refcnt;
};
-struct link_group_table;
+/* Metadata for a WIM image */
+struct wim_image_metadata {
+ /* Number of WIMStruct's that are sharing this image metadata (from
+ * calls to wimlib_export_image().) */
+ unsigned long refcnt;
-/* Metadata resource for an image. */
-struct image_metadata {
- /* Pointer to the root dentry for the image. */
- struct dentry *root_dentry;
+ /* Pointer to the root dentry of the image. */
+ struct wim_dentry *root_dentry;
- /* Pointer to the security data for the image. */
+ /* Pointer to the security data of the image. */
struct wim_security_data *security_data;
- /* Hard link group table */
- struct link_group_table *lgt;
+ /* Pointer to the lookup table entry for this image's metadata resource
+ */
+ struct wim_lookup_table_entry *metadata_lte;
+
+ /* Linked list of 'struct wim_inode's for this image. */
+ struct list_head inode_list;
- /* A pointer to the lookup table entry for this image's metadata
- * resource. */
- struct lookup_table_entry *metadata_lte;
+ /* Linked list of 'struct wim_lookup_table_entry's for this image that
+ * are referred to in the dentry tree, but have not had a SHA1 message
+ * digest calculated yet and therefore have not been inserted into the
+ * WIM's lookup table. This list is added to during wimlib_add_image()
+ * and wimlib_mount_image() (read-write only). */
+ struct list_head unhashed_streams;
- /* True if the filesystem of the image has been modified. If this is
- * the case, the memory for the filesystem is not freed when switching
- * to a different WIM image. */
- bool modified;
+ /* 1 iff the dentry tree has been modified. If this is the case, the
+ * memory for the dentry tree should not be freed when switching to a
+ * different WIM image. */
+ u8 modified : 1;
+#ifdef WITH_NTFS_3G
+ struct _ntfs_volume *ntfs_vol;
+#endif
};
/* The opaque structure exposed to the wimlib API. */
-typedef struct WIMStruct {
-
- /* A pointer to the file indicated by @filename, opened for reading. */
- FILE *fp;
+struct WIMStruct {
- /* FILE pointer for the WIM file that is being written. */
- FILE *out_fp;
+ /* File descriptor for the WIM file, opened for reading, or -1 if it has
+ * not been opened or there is no associated file backing it yet. */
+ int in_fd;
- /* The name of the WIM file that has been opened. */
- char *filename;
+ /* File descriptor, opened either for writing only or for
+ * reading+writing, for the WIM file (if any) currently being written.
+ * */
+ int out_fd;
- /* The lookup table for the WIM file. */
- struct lookup_table *lookup_table;
+ /* The name of the WIM file (if any) that has been opened. */
+ tchar *filename;
- /* Pointer to the XML data read from the WIM file. */
- u8 *xml_data;
+ /* The lookup table for the WIM file. */
+ struct wim_lookup_table *lookup_table;
- /* Information retrieved from the XML data, arranged
- * in an orderly manner. */
- struct wim_info *wim_info;
+ /* Information retrieved from the XML data, arranged in an orderly
+ * manner. */
+ struct wim_info *wim_info;
- /* Array of the image metadata of length image_count. Each image in the
- * WIM has a image metadata associated with it. */
- struct image_metadata *image_metadata;
+ /* Array of the image metadata, one for each image in the WIM. */
+ struct wim_image_metadata **image_metadata;
/* The header of the WIM file. */
- struct wim_header hdr;
+ struct wim_header hdr;
- /* Temporary flags to use when extracting a WIM image or adding a WIM
- * image. */
- union {
- int extract_flags;
- int add_flags;
- int write_flags;
- bool write_metadata;
- };
+ /* Temporary field */
+ void *private;
/* The currently selected image, indexed starting at 1. If not 0,
* subtract 1 from this to get the index of the current image in the
* image_metadata array. */
int current_image;
-} WIMStruct;
+ /* Have any images been deleted? */
+ u8 deletion_occurred : 1;
+
+ u8 all_images_verified : 1;
+ u8 wim_locked : 1;
+};
/* Inline utility functions for WIMStructs. */
-static inline struct dentry *wim_root_dentry(WIMStruct *w)
+static inline struct wim_image_metadata *
+wim_get_current_image_metadata(WIMStruct *w)
+{
+ return w->image_metadata[w->current_image - 1];
+}
+
+static inline const struct wim_image_metadata *
+wim_get_const_current_image_metadata(const WIMStruct *w)
{
- return w->image_metadata[w->current_image - 1].root_dentry;
+ return w->image_metadata[w->current_image - 1];
}
-static inline struct dentry **wim_root_dentry_p(WIMStruct *w)
+static inline struct wim_dentry *
+wim_root_dentry(WIMStruct *w)
{
- return &w->image_metadata[w->current_image - 1].root_dentry;
+ return wim_get_current_image_metadata(w)->root_dentry;
}
-static inline struct wim_security_data *wim_security_data(WIMStruct *w)
+static inline struct wim_security_data *
+wim_security_data(WIMStruct *w)
{
- return w->image_metadata[w->current_image - 1].security_data;
+ return wim_get_current_image_metadata(w)->security_data;
}
-static inline struct lookup_table_entry*
-wim_metadata_lookup_table_entry(WIMStruct *w)
+static inline const struct wim_security_data *
+wim_const_security_data(const WIMStruct *w)
{
- return w->image_metadata[w->current_image - 1].metadata_lte;
+ return wim_get_const_current_image_metadata(w)->security_data;
}
/* Nonzero if a struct resource_entry indicates a compressed resource. */
-static inline int resource_is_compressed(const struct resource_entry *entry)
+static inline int
+resource_is_compressed(const struct resource_entry *entry)
{
return (entry->flags & WIM_RESHDR_FLAG_COMPRESSED);
}
-static inline struct image_metadata *wim_get_current_image_metadata(WIMStruct *w)
+/* Iterate over each inode in a WIM image that has not yet been hashed */
+#define image_for_each_inode(inode, imd) \
+ list_for_each_entry(inode, &imd->inode_list, i_list)
+
+/* Iterate over each stream in a WIM image that has not yet been hashed */
+#define image_for_each_unhashed_stream(lte, imd) \
+ list_for_each_entry(lte, &imd->unhashed_streams, unhashed_list)
+
+/* Iterate over each stream in a WIM image that has not yet been hashed (safe
+ * against stream removal) */
+#define image_for_each_unhashed_stream_safe(lte, tmp, imd) \
+ list_for_each_entry_safe(lte, tmp, &imd->unhashed_streams, unhashed_list)
+
+#if 1
+# define copy_resource_entry(dst, src) memcpy(dst, src, sizeof(struct resource_entry))
+# define zero_resource_entry(entry) memset(entry, 0, sizeof(struct resource_entry))
+#else
+static inline void
+copy_resource_entry(struct resource_entry *dst,
+ const struct resource_entry *src)
+{
+ BUILD_BUG_ON(sizeof(struct resource_entry) != 24);
+ ((u64*)dst)[0] = ((u64*)src)[0];
+ ((u64*)dst)[1] = ((u64*)src)[1];
+ ((u64*)dst)[2] = ((u64*)src)[2];
+}
+
+static inline void
+zero_resource_entry(struct resource_entry *entry)
{
- return &w->image_metadata[w->current_image - 1];
+ BUILD_BUG_ON(sizeof(struct resource_entry) != 24);
+ ((u64*)entry)[0] = 0;
+ ((u64*)entry)[1] = 0;
+ ((u64*)entry)[2] = 0;
}
+#endif
+
+/* add_image.c */
+
+/* Hash table to find inodes, given an inode number (in the case of reading
+ * a WIM images), or both an inode number and a device number (in the case of
+ * capturing a WIM image). */
+struct wim_inode_table {
+ /* Fields for the hash table */
+ struct hlist_head *array;
+ u64 num_entries;
+ u64 capacity;
+
+ /*
+ * Linked list of "extra" inodes. These may be:
+ *
+ * - inodes with link count 1, which are all allowed to have 0 for their
+ * inode number, meaning we cannot insert them into the hash table.
+ *
+ * - Groups we create ourselves by splitting a nominal inode due to
+ * inconsistencies in the dentries. These inodes will share an inode
+ * number with some other inode until assign_inode_numbers() is
+ * called.
+ */
+ struct list_head extra_inodes;
+};
+
+/* Common parameters to implementations of building an in-memory dentry tree
+ * from an on-disk directory structure. */
+struct add_image_params {
+ /* Pointer to the lookup table of the WIM. */
+ struct wim_lookup_table *lookup_table;
+
+ /* Pointer to a hash table of inodes that have been captured for this
+ * WIM image so far. */
+ struct wim_inode_table *inode_table;
+
+ /* Pointer to the set of security descriptors that have been captured
+ * for this image so far. */
+ struct sd_set *sd_set;
+
+ /* Pointer to the capture configuration, which indicates whether any
+ * files should be excluded from capture or not. */
+ const struct wimlib_capture_config *config;
+
+ /* Flags that affect the capture operation (WIMLIB_ADD_FLAG_*) */
+ int add_flags;
+
+ /* If non-NULL, the user-supplied progress function. */
+ wimlib_progress_func_t progress_func;
+
+ /* Extra argument; set to point to a pointer to the ntfs_volume for
+ * libntfs-3g capture. */
+ void *extra_arg;
+
+ u64 capture_root_ino;
+ u64 capture_root_dev;
+};
+
+
+/* capture_common.c */
+
+extern bool
+exclude_path(const tchar *path, size_t path_len,
+ const struct wimlib_capture_config *config,
+ bool exclude_prefix);
+
+extern struct wimlib_capture_config *
+copy_capture_config(const struct wimlib_capture_config *config);
+
+extern int
+copy_and_canonicalize_capture_config(const struct wimlib_capture_config *config,
+ struct wimlib_capture_config **config_copy_ret);
+
+extern void
+free_capture_config(struct wimlib_capture_config *config);
+
+/* extract_image.c */
+
+/* Internal use only */
+#define WIMLIB_EXTRACT_FLAG_MULTI_IMAGE 0x80000000
+#define WIMLIB_EXTRACT_FLAG_NO_STREAMS 0x40000000
+#define WIMLIB_EXTRACT_MASK_PUBLIC 0x3fffffff
/* hardlink.c */
-struct link_group_table *new_link_group_table(u64 capacity);
-int link_group_table_insert(struct dentry *dentry,
- void *__table);
-void free_link_group_table(struct link_group_table *table);
-u64 assign_link_groups(struct link_group_table *table);
-int link_groups_free_duplicate_data(struct link_group_table *table);
+extern int
+init_inode_table(struct wim_inode_table *table, size_t capacity);
+
+extern int
+inode_table_new_dentry(struct wim_inode_table *table, const tchar *name,
+ u64 ino, u64 devno, bool noshare,
+ struct wim_dentry **dentry_ret);
+
+extern void
+inode_ref_streams(struct wim_inode *inode);
+
+extern void
+inode_table_prepare_inode_list(struct wim_inode_table *table,
+ struct list_head *head);
+
+static inline void
+destroy_inode_table(struct wim_inode_table *table)
+{
+ FREE(table->array);
+}
+extern int
+dentry_tree_fix_inodes(struct wim_dentry *root, struct list_head *inode_list);
+
/* header.c */
-extern int read_header(FILE *fp, struct wim_header *hdr, int split_ok);
-extern int write_header(const struct wim_header *hdr, FILE *out);
-extern int init_header(struct wim_header *hdr, int ctype);
+
+extern int
+read_header(const tchar *filename, int in_fd, struct wim_header *hdr,
+ int split_ok);
+
+extern int
+write_header(const struct wim_header *hdr, int out_fd);
+
+extern int
+init_header(struct wim_header *hdr, int ctype);
/* integrity.c */
-extern int write_integrity_table(FILE *out, u64 end_header_offset,
- u64 end_lookup_table_offset,
- int show_progress);
-extern int check_wim_integrity(WIMStruct *w, int show_progress, int *status);
-/* modify.c */
-extern void destroy_image_metadata(struct image_metadata *imd,
- struct lookup_table *lt);
+#define WIM_INTEGRITY_OK 0
+#define WIM_INTEGRITY_NOT_OK -1
+#define WIM_INTEGRITY_NONEXISTENT -2
+
+extern int
+write_integrity_table(int fd,
+ struct resource_entry *integrity_res_entry,
+ off_t new_lookup_table_end,
+ off_t old_lookup_table_end,
+ wimlib_progress_func_t progress_func);
+
+extern int
+check_wim_integrity(WIMStruct *w, wimlib_progress_func_t progress_func);
+
+/* join.c */
+
+extern int
+new_joined_lookup_table(WIMStruct *w, WIMStruct **additional_swms,
+ unsigned num_additional_swms,
+ struct wim_lookup_table **table_ret);
+
+/* metadata_resource.c */
+
+extern int
+read_metadata_resource(WIMStruct *w,
+ struct wim_image_metadata *image_metadata);
+
+extern int
+write_metadata_resource(WIMStruct *w);
+
+/* ntfs-apply.c */
+
+struct apply_args {
+ WIMStruct *w;
+ const tchar *target;
+ unsigned target_nchars;
+ unsigned wim_source_path_nchars;
+ struct wim_dentry *extract_root;
+ tchar *target_realpath;
+ unsigned target_realpath_len;
+ int extract_flags;
+ union wimlib_progress_info progress;
+ wimlib_progress_func_t progress_func;
+ int (*apply_dentry)(struct wim_dentry *, void *);
+ union {
+ #ifdef WITH_NTFS_3G
+ struct {
+ /* NTFS apply only */
+ struct _ntfs_volume *vol;
+ };
+ #endif
+ #ifdef __WIN32__
+ struct {
+ /* Normal apply only (Win32) */
+ unsigned long num_set_sacl_priv_notheld;
+ unsigned long num_set_sd_access_denied;
+ unsigned vol_flags;
+ unsigned long num_hard_links_failed;
+ unsigned long num_soft_links_failed;
+ bool have_vol_flags;
+ };
+ #else
+ struct {
+ /* Normal apply only (UNIX) */
+ unsigned long num_utime_warnings;
+ };
+ #endif
+ };
+};
+
+extern int
+apply_dentry_ntfs(struct wim_dentry *dentry, void *arg);
+
+extern int
+apply_dentry_timestamps_ntfs(struct wim_dentry *dentry, void *arg);
+
+extern void
+libntfs3g_global_init();
+
+/* ntfs-capture.c */
+
+typedef int (*consume_data_callback_t)(const void *buf, size_t len, void *ctx);
+
+extern int
+read_ntfs_file_prefix(const struct wim_lookup_table_entry *lte,
+ u64 size,
+ consume_data_callback_t cb,
+ void *ctx_or_buf,
+ int _ignored_flags);
+extern int
+build_dentry_tree_ntfs(struct wim_dentry **root_p,
+ const tchar *device,
+ struct add_image_params *ctx);
+
+#ifdef WITH_NTFS_3G
+extern int
+do_ntfs_umount(struct _ntfs_volume *vol);
+#endif
+
+/* reparse.c */
+
+/* Structured format for symbolic link, junction point, or mount point reparse
+ * data. */
+struct reparse_data {
+ /* Reparse point tag (see WIM_IO_REPARSE_TAG_* values) */
+ u32 rptag;
+
+ /* Length of reparse data, not including the 8-byte header (ReparseTag,
+ * ReparseDataLength, ReparseReserved) */
+ u16 rpdatalen;
+
+ /* ReparseReserved */
+ u16 rpreserved;
+
+ /* Flags (only for WIM_IO_REPARSE_TAG_SYMLINK reparse points).
+ * SYMBOLIC_LINK_RELATIVE means this is a relative symbolic link;
+ * otherwise should be set to 0. */
+#define SYMBOLIC_LINK_RELATIVE 0x00000001
+ u32 rpflags;
+
+ /* Pointer to the substitute name of the link (UTF-16LE). */
+ utf16lechar *substitute_name;
+
+ /* Pointer to the print name of the link (UTF-16LE). */
+ utf16lechar *print_name;
+
+ /* Number of bytes of the substitute name, not including null terminator
+ * if present */
+ u16 substitute_name_nbytes;
+
+ /* Number of bytes of the print name, not including null terminator if
+ * present */
+ u16 print_name_nbytes;
+};
+
+enum {
+ SUBST_NAME_IS_RELATIVE_LINK = -1,
+ SUBST_NAME_IS_VOLUME_JUNCTION = -2,
+ SUBST_NAME_IS_UNKNOWN = -3,
+};
+extern int
+parse_substitute_name(const utf16lechar *substitute_name,
+ u16 substitute_name_nbytes,
+ u32 rptag);
+
+extern int
+parse_reparse_data(const u8 *rpbuf, u16 rpbuflen, struct reparse_data *rpdata);
+
+extern int
+make_reparse_buffer(const struct reparse_data *rpdata, u8 *buf);
+
+extern int
+wim_inode_get_reparse_data(const struct wim_inode *inode, u8 *rpbuf);
+
+#ifndef __WIN32__
+ssize_t
+wim_inode_readlink(const struct wim_inode *inode, char *buf, size_t buf_len);
+
+extern int
+wim_inode_set_symlink(struct wim_inode *inode, const char *target,
+ struct wim_lookup_table *lookup_table);
+#endif
+extern tchar *
+capture_fixup_absolute_symlink(tchar *dest,
+ u64 capture_root_ino, u64 capture_root_dev);
+
/* resource.c */
-extern const u8 *get_resource_entry(const u8 *p, struct resource_entry *entry);
-extern u8 *put_resource_entry(u8 *p, const struct resource_entry *entry);
-extern int read_uncompressed_resource(FILE *fp, u64 offset, u64 size, u8 buf[]);
+#define WIMLIB_RESOURCE_FLAG_RAW 0x1
+#define WIMLIB_RESOURCE_FLAG_RECOMPRESS 0x4
-extern int read_wim_resource(const struct lookup_table_entry *lte, u8 buf[],
- size_t size, u64 offset, bool raw);
+extern int
+read_resource_prefix(const struct wim_lookup_table_entry *lte,
+ u64 size, consume_data_callback_t cb, void *ctx_or_buf,
+ int flags);
-extern int read_full_wim_resource(const struct lookup_table_entry *lte, u8 buf[]);
+extern const void *
+get_resource_entry(const void *p, struct resource_entry *entry);
-extern int extract_wim_resource_to_fd(const struct lookup_table_entry *lte,
- int fd, u64 size);
+extern void *
+put_resource_entry(void *p, const struct resource_entry *entry);
+extern int
+read_partial_wim_resource_into_buf(const struct wim_lookup_table_entry *lte,
+ size_t size, u64 offset, void *buf);
+extern int
+read_full_resource_into_buf(const struct wim_lookup_table_entry *lte, void *buf);
-extern int extract_full_wim_resource_to_fd(const struct lookup_table_entry *lte,
- int fd);
+extern int
+write_wim_resource(struct wim_lookup_table_entry *lte, int out_fd,
+ int out_ctype, struct resource_entry *out_res_entry,
+ int flags);
-extern int read_metadata_resource(FILE *fp, int wim_ctype,
- struct image_metadata *image_metadata);
+extern int
+extract_wim_resource(const struct wim_lookup_table_entry *lte,
+ u64 size,
+ consume_data_callback_t extract_chunk,
+ void *extract_chunk_arg);
+extern int
+extract_wim_resource_to_fd(const struct wim_lookup_table_entry *lte,
+ int fd, u64 size);
-extern int write_dentry_resources(struct dentry *dentry, void *wim_p);
-extern int copy_resource(struct lookup_table_entry *lte, void *w);
-extern int write_metadata_resource(WIMStruct *w);
+extern int
+sha1_resource(struct wim_lookup_table_entry *lte);
+extern int
+copy_resource(struct wim_lookup_table_entry *lte, void *w);
/* security.c */
-int read_security_data(const u8 metadata_resource[],
- u64 metadata_resource_len, struct wim_security_data **sd_p);
-
-void print_security_data(const struct wim_security_data *sd);
-u8 *write_security_data(const struct wim_security_data *sd, u8 *p);
-void free_security_data(struct wim_security_data *sd);
-
-/* symlink.c */
-ssize_t dentry_readlink(const struct dentry *dentry, char *buf, size_t buf_len,
- const WIMStruct *w);
-extern void *make_symlink_reparse_data_buf(const char *symlink_target,
- size_t *len_ret);
-extern int dentry_set_symlink(struct dentry *dentry,
- const char *target,
- struct lookup_table *lookup_table,
- struct lookup_table_entry **lte_ret);
+extern struct wim_security_data *
+new_wim_security_data();
+
+extern int
+read_security_data(const u8 metadata_resource[],
+ u64 metadata_resource_len, struct wim_security_data **sd_p);
+extern void
+print_security_data(const struct wim_security_data *sd);
+
+extern u8 *
+write_security_data(const struct wim_security_data *sd, u8 *p);
+
+extern void
+free_security_data(struct wim_security_data *sd);
+
+/* unix_apply.c */
+#ifndef __WIN32__
+extern int
+unix_do_apply_dentry(const char *output_path, size_t output_path_len,
+ struct wim_dentry *dentry, struct apply_args *args);
+extern int
+unix_do_apply_dentry_timestamps(const char *output_path,
+ size_t output_path_len,
+ struct wim_dentry *dentry,
+ struct apply_args *args);
+#endif
+
+/* unix_capture.c */
+#ifndef __WIN32__
+extern int
+unix_build_dentry_tree(struct wim_dentry **root_ret,
+ const char *root_disk_path,
+ struct add_image_params *params);
+#endif
+
+/* update_image.c */
+extern int
+rename_wim_path(WIMStruct *wim, const tchar *from, const tchar *to);
+
+/* verify.c */
+
+extern int
+verify_dentry(struct wim_dentry *dentry, void *wim);
+
+extern int
+wim_run_full_verifications(WIMStruct *w);
+
+extern int
+verify_swm_set(WIMStruct *w,
+ WIMStruct **additional_swms, unsigned num_additional_swms);
/* wim.c */
-extern WIMStruct *new_wim_struct();
-extern int wimlib_select_image(WIMStruct *w, int image);
-extern int wim_hdr_flags_compression_type(int wim_hdr_flags);
-extern int for_image(WIMStruct *w, int image, int (*visitor)(WIMStruct *));
+
+extern int
+select_wim_image(WIMStruct *w, int image);
+
+extern int
+for_image(WIMStruct *w, int image, int (*visitor)(WIMStruct *));
+
+extern void
+destroy_image_metadata(struct wim_image_metadata *imd,
+ struct wim_lookup_table *table,
+ bool free_metadata_lte);
+
+extern void
+put_image_metadata(struct wim_image_metadata *imd,
+ struct wim_lookup_table *table);
+
+extern int
+append_image_metadata(WIMStruct *w, struct wim_image_metadata *imd);
+
+extern struct wim_image_metadata *
+new_image_metadata();
+
+extern struct wim_image_metadata **
+new_image_metadata_array(unsigned num_images);
+
+extern int
+wim_checksum_unhashed_streams(WIMStruct *w);
+
+extern int
+reopen_wim(WIMStruct *w);
+
+extern int
+close_wim(WIMStruct *w);
/* write.c */
-extern int finish_write(WIMStruct *w, int image, int flags,
- int write_lookup_table);
-extern int begin_write(WIMStruct *w, const char *path, int flags);
+/* Internal use only */
+#define WIMLIB_WRITE_FLAG_NO_LOOKUP_TABLE 0x80000000
+#define WIMLIB_WRITE_FLAG_REUSE_INTEGRITY_TABLE 0x40000000
+#define WIMLIB_WRITE_FLAG_CHECKPOINT_AFTER_XML 0x20000000
+#define WIMLIB_WRITE_MASK_PUBLIC 0x1fffffff
+/* We are capturing a tree to be placed in the root of the WIM image */
+#define WIMLIB_ADD_FLAG_ROOT 0x80000000
-#include "wimlib.h"
+extern int
+begin_write(WIMStruct *w, const tchar *path, int write_flags);
+
+extern void
+close_wim_writable(WIMStruct *w);
+
+extern int
+finish_write(WIMStruct *w, int image, int write_flags,
+ wimlib_progress_func_t progress_func);
+
+#if defined(HAVE_SYS_FILE_H) && defined(HAVE_FLOCK)
+extern int
+lock_wim(WIMStruct *w, int fd);
+#else
+static inline int
+lock_wim(WIMStruct *w, int fd)
+{
+ return 0;
+}
+#endif
#endif /* _WIMLIB_INTERNAL_H */