#ifndef _WIMLIB_INTERNAL_H
#define _WIMLIB_INTERNAL_H
+#include "config.h"
#include "util.h"
+#include "list.h"
+
+#ifdef WITH_FUSE
+#include <pthread.h>
+#endif
struct stat;
-struct hlist_head;
+struct dentry;
struct inode;
+#include "wimlib.h"
+
#define WIM_MAGIC_LEN 8
#define WIM_GID_LEN 16
#define WIM_UNUSED_LEN 60
* 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 WIM_INTEGRITY_OK 0
+#define WIM_INTEGRITY_NOT_OK -1
+#define WIM_INTEGRITY_NONEXISTENT -2
/* Metadata for a resource in a WIM file. */
struct resource_entry {
/* 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;
* WIM_CHUNK_SIZE. M$ 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];
/* 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.*/
/* Lock field to prevent multiple writers from writing the WIM concurrently. We
* ignore this flag. */
-#define WIM_HDR_FLAG_WRITE_IN_PROGRESS 0x00000040
+#define WIM_HDR_FLAG_WRITE_IN_PROGRESS 0x00000040
/* Reparse point fixup ???
* This has something to do with absolute targets of reparse points / symbolic
* that wimlib writes, currently), it will be 8 bytes. */
u32 total_length;
- /* The number of security descriptors in the array @descriptors, below.
+ /* The number of security descriptors in the array @descriptors, below.
* It is really an unsigned int, 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). */
* resource. */
struct lookup_table_entry *metadata_lte;
+ struct hlist_head inode_list;
+
/* 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;
+ u8 modified : 1;
+ u8 has_been_mounted_rw : 1;
};
+#define WIMLIB_RESOURCE_FLAG_RAW 0x1
+#define WIMLIB_RESOURCE_FLAG_MULTITHREADED 0x2
+#define WIMLIB_RESOURCE_FLAG_RECOMPRESS 0x4
+
/* The opaque structure exposed to the wimlib API. */
typedef struct WIMStruct {
/* A pointer to the file indicated by @filename, opened for reading. */
- FILE *fp;
+ FILE *fp;
+
+#ifdef WITH_FUSE
+ /* Extra file pointers to be used by concurrent readers */
+ FILE **fp_tab;
+ size_t num_allocated_fps;
+ pthread_mutex_t fp_tab_mutex;
+#endif
/* FILE pointer for the WIM file that is being written. */
- FILE *out_fp;
+ FILE *out_fp;
/* The name of the WIM file that has been opened. */
- char *filename;
+ char *filename;
- /* The lookup table for the WIM file. */
+ /* The lookup table for the WIM file. */
struct lookup_table *lookup_table;
/* Pointer to the XML data read from the WIM file. */
- u8 *xml_data;
+ u8 *xml_data;
/* Information retrieved from the XML data, arranged
* in an orderly manner. */
- struct wim_info *wim_info;
+ 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;
+ struct 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. */
+ /* Temporary fields */
union {
- int extract_flags;
- int add_flags;
- int write_flags;
bool write_metadata;
+ void *private;
};
#ifdef WITH_NTFS_3G
struct _ntfs_volume *ntfs_vol;
* subtract 1 from this to get the index of the current image in the
* image_metadata array. */
int current_image;
+
+ /* %true iff any images have been deleted from this WIM. */
+ bool deletion_occurred;
} WIMStruct;
/* hardlink.c */
-struct inode_table *new_inode_table(size_t capacity);
-int inode_table_insert(struct dentry *dentry, void *__table);
-void free_inode_table(struct inode_table *table);
-u64 assign_inode_numbers(struct hlist_head *inode_list);
-int fix_inodes(struct inode_table *table, struct hlist_head *inode_list);
+/* Hash table to find inodes, identified by their inode ID.
+ * */
+struct 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
+ * before calling assign_inode_numbers().
+ *
+ * - Groups we create ourselves by splitting a nominal inode due to
+ * inconsistencies in the dentries. These inodes will share a inode
+ * ID with some other inode until assign_inode_numbers() is called.
+ */
+ struct hlist_head extra_inodes;
+};
+
+extern int init_inode_table(struct inode_table *table, size_t capacity);
+static inline void destroy_inode_table(struct inode_table *table)
+{
+ FREE(table->array);
+}
+extern int inode_table_insert(struct dentry *dentry, void *__table);
+extern u64 assign_inode_numbers(struct hlist_head *inode_list);
+extern int fix_inodes(struct inode_table *table, struct hlist_head *inode_list);
/* header.c */
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);
+extern int write_integrity_table(FILE *out,
+ 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 */
const char *config_str, size_t config_len,
int flags,
int (*capture_tree)(struct dentry **, const char *,
- struct lookup_table *,
- struct wim_security_data *,
+ struct lookup_table *,
+ struct wim_security_data *,
const struct capture_config *,
int, void *),
- void *extra_arg);
+ void *extra_arg,
+ wimlib_progress_func_t progress_func);
+
+/* ntfs-apply.c */
+
+struct apply_args {
+ WIMStruct *w;
+ const char *target;
+ int extract_flags;
+ unsigned num_lutimes_warnings;
+ struct list_head *stream_list;
+ union wimlib_progress_info progress;
+#ifdef WITH_NTFS_3G
+ struct _ntfs_volume *vol;
+#endif
+ struct list_head empty_files;
+ wimlib_progress_func_t progress_func;
+};
+
+extern int wim_apply_dentry_ntfs(struct dentry *dentry, void *arg);
+extern int wim_apply_dentry_timestamps(struct dentry *dentry, void *arg);
+
+/* ntfs-capture.c */
+extern int build_dentry_tree_ntfs(struct dentry **root_p,
+ const char *device,
+ struct lookup_table *lookup_table,
+ struct wim_security_data *sd,
+ const struct capture_config *config,
+ int add_image_flags,
+ wimlib_progress_func_t progress_func,
+ void *extra_arg);
/* resource.c */
extern const u8 *get_resource_entry(const u8 *p, struct resource_entry *entry);
extern int read_uncompressed_resource(FILE *fp, u64 offset, u64 size, u8 buf[]);
extern int read_wim_resource(const struct lookup_table_entry *lte, u8 buf[],
- size_t size, u64 offset, bool raw);
+ size_t size, u64 offset, int flags);
+
+extern int read_full_wim_resource(const struct lookup_table_entry *lte,
+ u8 buf[], int flags);
-extern int read_full_wim_resource(const struct lookup_table_entry *lte, u8 buf[]);
+extern int write_wim_resource(struct lookup_table_entry *lte,
+ FILE *out_fp, int out_ctype,
+ struct resource_entry *out_res_entry,
+ int flags);
extern int extract_wim_resource_to_fd(const struct lookup_table_entry *lte,
int fd, u64 size);
/* security.c */
-int read_security_data(const u8 metadata_resource[],
+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);
/* symlink.c */
ssize_t inode_readlink(const struct inode *inode, char *buf, size_t buf_len,
- const WIMStruct *w);
+ const WIMStruct *w, int read_resource_flags);
extern void *make_symlink_reparse_data_buf(const char *symlink_target,
size_t *len_ret);
extern int inode_set_symlink(struct inode *inode,
/* wim.c */
extern WIMStruct *new_wim_struct();
-extern int wimlib_select_image(WIMStruct *w, int image);
+extern int select_wim_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 open_wim_readable(WIMStruct *w, const char *path);
+extern int open_wim_writable(WIMStruct *w, const char *path,
+ bool trunc, bool readable);
-/* write.c */
-extern int finish_write(WIMStruct *w, int image, int flags,
- int write_lookup_table);
+/* 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
-extern int begin_write(WIMStruct *w, const char *path, int flags);
+/* Internal use only */
+#define WIMLIB_EXTRACT_FLAG_MULTI_IMAGE 0x80000000
+#define WIMLIB_EXTRACT_FLAG_NO_STREAMS 0x40000000
+#define WIMLIB_EXTRACT_MASK_PUBLIC 0x3fffffff
-#include "wimlib.h"
+/* write.c */
+extern int begin_write(WIMStruct *w, const char *path, int write_flags);
+
+extern int finish_write(WIMStruct *w, int image, int write_flags,
+ wimlib_progress_func_t progress_func);
#endif /* _WIMLIB_INTERNAL_H */
git://wimlib.net / wimlib / blobdiff