#include "util.h"
#include "config.h"
+#include "list.h"
#include <string.h>
+
+struct stat;
+struct lookup_table;
+typedef struct WIMStruct WIMStruct;
+
/* Size of the struct dentry up to and including the file_name_len. */
#define WIM_DENTRY_DISK_SIZE 102
#define WIM_ADS_ENTRY_DISK_SIZE 38
-#ifndef WITH_NTFS_3G
+#ifndef WIM_HASH_SIZE
+#define WIM_HASH_SIZE 20
+#endif
+
/*
* Reparse tags documented at
* http://msdn.microsoft.com/en-us/library/dd541667(v=prot.10).aspx
- *
- * IO_REPARSE_TAG_SYMLINK is the only one we really care about.
*/
-#define IO_REPARSE_TAG_RESERVED_ZERO 0x00000000
-#define IO_REPARSE_TAG_RESERVED_ONE 0x00000001
-#define IO_REPARSE_TAG_MOUNT_POINT 0xA0000003
-#define IO_REPARSE_TAG_HSM 0xC0000004
-#define IO_REPARSE_TAG_HSM2 0x80000006
-#define IO_REPARSE_TAG_DRIVER_EXTENDER 0x80000005
-#define IO_REPARSE_TAG_SIS 0x80000007
-#define IO_REPARSE_TAG_DFS 0x8000000A
-#define IO_REPARSE_TAG_DFSR 0x80000012
-#define IO_REPARSE_TAG_FILTER_MANAGER 0x8000000B
-#define IO_REPARSE_TAG_SYMLINK 0xA000000C
-#endif /* !WITH_NTFS_3G */
+#define WIM_IO_REPARSE_TAG_RESERVED_ZERO 0x00000000
+#define WIM_IO_REPARSE_TAG_RESERVED_ONE 0x00000001
+#define WIM_IO_REPARSE_TAG_MOUNT_POINT 0xA0000003
+#define WIM_IO_REPARSE_TAG_HSM 0xC0000004
+#define WIM_IO_REPARSE_TAG_HSM2 0x80000006
+#define WIM_IO_REPARSE_TAG_DRIVER_EXTENDER 0x80000005
+#define WIM_IO_REPARSE_TAG_SIS 0x80000007
+#define WIM_IO_REPARSE_TAG_DFS 0x8000000A
+#define WIM_IO_REPARSE_TAG_DFSR 0x80000012
+#define WIM_IO_REPARSE_TAG_FILTER_MANAGER 0x8000000B
+#define WIM_IO_REPARSE_TAG_SYMLINK 0xA000000C
#define FILE_ATTRIBUTE_READONLY 0x00000001
#define FILE_ATTRIBUTE_HIDDEN 0x00000002
u16 stream_name_len;
/* Length of stream name (UTF-8) */
- u16 stream_name_len_utf8;
+ u16 stream_name_utf8_len;
/* Stream name (UTF-16) */
char *stream_name;
return (len + 7) & ~7;
}
+static inline void destroy_ads_entry(struct ads_entry *entry)
+{
+ FREE(entry->stream_name);
+ FREE(entry->stream_name_utf8);
+ memset(entry, 0, sizeof(entry));
+}
+
+static inline bool ads_entry_has_name(const struct ads_entry *entry,
+ const char *name, size_t name_len)
+{
+ if (entry->stream_name_utf8_len != name_len)
+ return false;
+ return memcmp(entry->stream_name_utf8, name, name_len) == 0;
+}
+
+
/* In-memory structure for a directory entry. There is a directory tree for
* each image in the WIM. */
struct dentry {
/* Number of references to the dentry tree itself, as in multiple
* WIMStructs */
int refcnt;
+
+ /* List of dentries in the hard link set */
+ struct list_head link_group_list;
};
+/* Return hash of the "unnamed" (default) data stream. */
+static inline const u8 *dentry_hash(const struct dentry *dentry)
+{
+ /* If there are alternate data streams, the dentry hash field is zeroed
+ * out, and we need to find the hash in the un-named data stream (should
+ * be the first one, but check them in order just in case, and fall back
+ * to the dentry hash field if we can't find an unnamed data stream). */
+ for (u16 i = 0; i < dentry->num_ads; i++)
+ if (dentry->ads_entries[i].stream_name_len == 0)
+ return dentry->ads_entries[i].hash;
+ return dentry->hash;
+}
+
+static inline size_t dentry_link_group_size(const struct dentry *dentry)
+{
+ size_t size = 0;
+ struct list_head *list;
+ list_for_each(list, &dentry->link_group_list)
+ size++;
+ if (size == 0)
+ size = 1;
+ return size;
+}
+
+extern struct ads_entry *dentry_get_ads_entry(struct dentry *dentry,
+ const char *stream_name);
+
+extern struct ads_entry *dentry_add_ads(struct dentry *dentry,
+ const char *stream_name);
+
+extern void dentry_remove_ads(struct dentry *dentry, struct ads_entry *entry);
+
+extern const char *path_stream_name(const char *path);
+
extern u64 dentry_total_length(const struct dentry *dentry);
extern void stbuf_to_dentry(const struct stat *stbuf, struct dentry *dentry);
extern int calculate_dentry_full_path(struct dentry *dentry, void *ignore);
extern void calculate_subdir_offsets(struct dentry *dentry, u64 *subdir_offset_p);
extern int change_dentry_name(struct dentry *dentry, const char *new_name);
+extern int change_ads_name(struct ads_entry *entry, const char *new_name);
extern void unlink_dentry(struct dentry *dentry);
extern void link_dentry(struct dentry *dentry, struct dentry *parent);
extern u8 *write_dentry_tree(const struct dentry *tree, u8 *p);
+extern int dentry_set_symlink_buf(struct dentry *dentry,
+ const u8 symlink_buf_hash[]);
+
/* Inline utility functions for WIMDentries */
-/*
- * Returns true if @dentry has the UTF-8 file name @name that has length
- * @name_len.
- */
-static inline bool dentry_has_name(const struct dentry *dentry, const char *name,
- size_t name_len)
-{
- if (dentry->file_name_utf8_len != name_len)
- return false;
- return memcmp(dentry->file_name_utf8, name, name_len) == 0;
-}
static inline bool dentry_is_root(const struct dentry *dentry)
{
static inline bool dentry_is_directory(const struct dentry *dentry)
{
- return (dentry->attributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
+ return (dentry->attributes & FILE_ATTRIBUTE_DIRECTORY)
+ && !(dentry->attributes & FILE_ATTRIBUTE_REPARSE_POINT);
+}
+
+/* For our purposes, we consider "real" symlinks and "junction points" to both
+ * be symlinks. */
+static inline bool dentry_is_symlink(const struct dentry *dentry)
+{
+ return (dentry->attributes & FILE_ATTRIBUTE_REPARSE_POINT)
+ && ((dentry->reparse_tag == WIM_IO_REPARSE_TAG_SYMLINK) ||
+ dentry->reparse_tag == WIM_IO_REPARSE_TAG_MOUNT_POINT);
}
static inline bool dentry_is_regular_file(const struct dentry *dentry)
{
- return !dentry_is_directory(dentry);
+ return !dentry_is_directory(dentry) && !dentry_is_symlink(dentry);
}
static inline bool dentry_is_empty_directory(const struct dentry *dentry)
git://wimlib.net / wimlib / blobdiff