#define FILE_ATTRIBUTE_ENCRYPTED 0x00004000
#define FILE_ATTRIBUTE_VIRTUAL 0x00010000
+struct lookup_table_entry;
+
/* Alternate data stream entry */
struct ads_entry {
- /* SHA-1 message digest of stream contents */
- u8 hash[WIM_HASH_SIZE];
+ union {
+ /* SHA-1 message digest of stream contents */
+ u8 hash[WIM_HASH_SIZE];
+
+ /* The corresponding lookup table entry (only for resolved
+ * streams) */
+ struct lookup_table_entry *lte;
+ };
/* Length of stream name (UTF-16) */
u16 stream_name_len;
/* Stream name (UTF-8) */
char *stream_name_utf8;
+
+ struct stream_list_head lte_group_list;
};
static inline u64 ads_entry_length(const struct ads_entry *entry)
u64 last_access_time;
u64 last_write_time;
- /* A hash of the file's contents. */
- u8 hash[WIM_HASH_SIZE];
+ /* A hash of the file's contents, or a pointer to the lookup table entry
+ * for this dentry if the lookup table entries have been resolved.
+ *
+ * More specifically, this is for the un-named default file stream, as
+ * opposed to the alternate file streams, which may have their own
+ * lookup table entries. */
+ union {
+ u8 hash[WIM_HASH_SIZE];
+ struct lookup_table_entry *lte;
+ };
/* Identity of a reparse point. See
* http://msdn.microsoft.com/en-us/library/windows/desktop/aa365503(v=vs.85).aspx
enum {
/* This dentry is the owner of its ads_entries, although it may
* be in a hard link set */
- GROUP_INDEPENDENT,
+ GROUP_INDEPENDENT = 0,
/* This dentry is the owner of the ads_entries in the hard link
* set */
/* List of dentries in the hard link set */
struct list_head link_group_list;
+ /* List of dentries sharing the same lookup table entry */
+ struct stream_list_head lte_group_list;
+
/* Path to extracted file on disk (used during extraction only) */
char *extracted_file;
};
return dentry->hash;
}
+/* Return lte for the "unnamed" (default) data stream. Only for resolved
+ * dentries */
+static inline struct lookup_table_entry *
+dentry_lte(const struct dentry *dentry)
+{
+ for (u16 i = 0; i < dentry->num_ads; i++)
+ if (dentry->ads_entries[i].stream_name_len == 0)
+ return dentry->ads_entries[i].lte;
+ return dentry->lte;
+}
+
static inline size_t dentry_link_group_size(const struct dentry *dentry)
{
const struct list_head *cur = &dentry->link_group_list;
extern void stbuf_to_dentry(const struct stat *stbuf, struct dentry *dentry);
-extern int dentry_to_stbuf(const struct dentry *dentry, struct stat *stbuf,
- const struct lookup_table *table);
-
extern int for_dentry_in_tree(struct dentry *root,
int (*visitor)(struct dentry*, void*),
void *args);