#endif
struct stat;
-struct lookup_table;
+struct wim_lookup_table;
struct WIMStruct;
-struct lookup_table_entry;
-struct wimlib_fd;
-struct inode;
-struct dentry;
+struct wim_lookup_table_entry;
+struct wimfs_fd;
+struct wim_inode;
+struct wim_dentry;
-/* Size of the struct dentry up to and including the file_name_len. */
+/* Size of the struct wim_dentry up to and including the file_name_len. */
#define WIM_DENTRY_DISK_SIZE 102
/* Size of on-disk WIM alternate data stream entry, in bytes, up to and
*
* We read this from disk in the read_ads_entries() function; see that function
* for more explanation. */
-struct ads_entry {
+struct wim_ads_entry {
union {
/* SHA-1 message digest of stream contents */
u8 hash[SHA1_HASH_SIZE];
/* The corresponding lookup table entry (only for resolved
* streams) */
- struct lookup_table_entry *lte;
+ struct wim_lookup_table_entry *lte;
};
- /* Length of stream name (UTF-16). This is in bytes, not characters,
- * and does not include the terminating null character */
- u16 stream_name_len;
+ /* Length of UTF16-encoded stream name, in bytes, not including the
+ * terminating null character. */
+ u16 stream_name_nbytes;
- /* Length of stream name (UTF-8) */
- u16 stream_name_utf8_len;
-
- /* Stream name (UTF-16) */
- char *stream_name;
-
- /* Stream name (UTF-8) */
- char *stream_name_utf8;
+ /* Stream name (UTF-16LE) */
+ utf16lechar *stream_name;
#ifdef WITH_FUSE
/* Number to identify an alternate data stream even after it's possibly
};
-static inline bool ads_entries_have_same_name(const struct ads_entry *entry_1,
- const struct ads_entry *entry_2)
+static inline bool
+ads_entries_have_same_name(const struct wim_ads_entry *entry_1,
+ const struct wim_ads_entry *entry_2)
{
- if (entry_1->stream_name_len != entry_2->stream_name_len)
- return false;
- return memcmp(entry_1->stream_name, entry_2->stream_name,
- entry_1->stream_name_len) == 0;
+ return entry_1->stream_name_nbytes == entry_2->stream_name_nbytes &&
+ memcmp(entry_1->stream_name, entry_2->stream_name,
+ entry_1->stream_name_nbytes) == 0;
}
/*
*
* Note that this is a directory entry and not an inode. Since NTFS allows hard
* links, it's possible for a NTFS inode to correspond to multiple WIM dentries.
- * The hard_link field on the on-disk WIM dentry tells us the number of the NTFS
- * inode that the dentry corresponds to.
+ * The hard link group ID field of the on-disk WIM dentry tells us the number of
+ * the NTFS inode that the dentry corresponds to (and this gets placed in
+ * d_inode->i_ino).
*
* Unfortunately, WIM files do not have an analogue to an inode; instead certain
* information, such as file attributes, the security descriptor, and file
* streams is replicated in each hard-linked dentry, even though this
* information really is associated with an inode. In-memory, we fix up this
- * flaw by allocating a `struct inode' for each dentry that contains some of
+ * flaw by allocating a `struct wim_inode' for each dentry that contains some of
* this duplicated information, then combining the inodes for each hard link
* group together.
*
* file streams when they share the same hard link ID (don't even ask. I hope
* that Microsoft may have fixed this problem, since I've only noticed it in the
* 'install.wim' for Windows 7). For those dentries, we have to use the
- * conflicting fields to split up the hard link groups. (See fix_inodes() in
- * hardlink.c).
+ * conflicting fields to split up the hard link groups. (See
+ * dentry_tree_fix_inodes() in hardlink.c).
*/
-struct dentry {
- /* Byte 0 */
-
+struct wim_dentry {
/* The inode for this dentry */
- struct inode *d_inode;
-
- /* Byte 8 */
+ struct wim_inode *d_inode;
/* Red-black tree of sibling dentries */
struct rb_node rb_node;
- /* Byte 32 */
+ /* Length of UTF-16LE encoded short filename, in bytes, not including
+ * the terminating zero wide-character. */
+ u16 short_name_nbytes;
- /* Length of short filename, in bytes, not including the terminating
- * zero wide-character. */
- u16 short_name_len;
+ /* Length of UTF-16LE encoded "long" file name, in bytes, not including
+ * the terminating null character. */
+ u16 file_name_nbytes;
- /* Length of file name, in bytes, not including the terminating zero
- * wide-character. */
- u16 file_name_len;
-
- /* Length of the filename converted into UTF-8, in bytes, not including
- * the terminating zero byte. */
- u16 file_name_utf8_len;
+ /* Length of full path name encoded using "tchars", in bytes, not
+ * including the terminating null character. */
+ u32 full_path_nbytes;
+ /* Has this dentry been extracted yet? */
u8 is_extracted : 1;
- u8 visited : 1;
- u8 canonical : 1;
-
- /* Byte 40 */
-
- /* Pointer to the filename converted to UTF-8 (malloc()ed buffer). */
- char *file_name_utf8;
- /* Byte 48 */
+ /* Only used during NTFS capture */
+ u8 is_win32_name : 1;
+ /* Temporary list */
struct list_head tmp_list;
- /* Byte 64 */
-
/* List of dentries in the inode (hard link set) */
- struct list_head inode_dentry_list;
+ struct list_head d_alias;
/* The parent of this directory entry. */
- struct dentry *parent;
+ struct wim_dentry *parent;
/*
* Size of directory entry on disk, in bytes. Typical size is around
* points. */
u64 subdir_offset;
- /* Number of references to the dentry tree itself, as in multiple
- * WIMStructs */
- u32 refcnt;
-
- u32 full_path_utf8_len;
-
- /* Pointer to the UTF-16 short filename (malloc()ed buffer) */
- char *short_name;
+ /* Pointer to the UTF-16LE short filename (malloc()ed buffer) */
+ utf16lechar *short_name;
- /* Pointer to the UTF-16 filename (malloc()ed buffer). */
- char *file_name;
+ /* Pointer to the UTF-16LE filename (malloc()ed buffer). */
+ utf16lechar *file_name;
- /* Full path (UTF-8) to this dentry (malloc()ed buffer). */
- char *full_path_utf8;
+ /* Full path of this dentry */
+ tchar *_full_path;
};
-#define rbnode_dentry(node) container_of(node, struct dentry, rb_node)
+#define rbnode_dentry(node) container_of(node, struct wim_dentry, rb_node)
/*
* WIM inode.
* As mentioned above, in the WIM file that is no on-disk analogue of a real
* inode, as most of these fields are duplicated in the dentries.
*/
-struct inode {
+struct wim_inode {
/* Timestamps for the inode. The timestamps are the number of
* 100-nanosecond intervals that have elapsed since 12:00 A.M., January
* 1st, 1601, UTC. This is the same format used in NTFS inodes. */
- u64 creation_time;
- u64 last_access_time;
- u64 last_write_time;
+ u64 i_creation_time;
+ u64 i_last_access_time;
+ u64 i_last_write_time;
/* The file attributes associated with this inode. This is a bitwise OR
* of the FILE_ATTRIBUTE_* flags. */
- u32 attributes;
+ u32 i_attributes;
/* The index of the security descriptor in the WIM image's table of
* security descriptors that contains this file's security information.
* If -1, no security information exists for this file. */
- int32_t security_id;
+ int32_t i_security_id;
/* %true iff the inode's lookup table entries has been resolved (i.e.
* the @lte field is valid, but the @hash field is not valid)
*
* (This is not an on-disk field.) */
- u8 resolved : 1;
+ u8 i_resolved : 1;
- /* %true iff verify_inode() has run on this dentry. */
- u8 verified : 1;
+ /* %true iff verify_inode() has run on this inode. */
+ u8 i_verified : 1;
- /* temporary flag */
- u8 visited : 1;
+ /* Used only in NTFS-mode extraction */
+ u8 i_dos_name_extracted : 1;
/* Number of alternate data streams associated with this inode */
- u16 num_ads;
+ u16 i_num_ads;
/* 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.
* opposed to the alternate (named) file streams, which may have their
* own lookup table entries. */
union {
- u8 hash[SHA1_HASH_SIZE];
- struct lookup_table_entry *lte;
+ u8 i_hash[SHA1_HASH_SIZE];
+ struct wim_lookup_table_entry *i_lte;
};
/* Identity of a reparse point. See
* http://msdn.microsoft.com/en-us/library/windows/desktop/aa365503(v=vs.85).aspx
* for what a reparse point is. */
- u32 reparse_tag;
+ u32 i_reparse_tag;
/* Number of dentries that reference this inode */
- u32 link_count;
+ u32 i_nlink;
/* Alternate data stream entries. */
- struct ads_entry *ads_entries;
+ struct wim_ads_entry *i_ads_entries;
/* Inode number */
- u64 ino;
+ u64 i_ino;
/* List of dentries that reference this inode (there should be
* link_count of them) */
- struct list_head dentry_list;
+ struct list_head i_dentry;
+
+ union {
+ struct hlist_node i_hlist;
+ struct list_head i_list;
+ };
- struct hlist_node hlist;
+ union {
+ /* Used during image extraction to build a list of inodes that
+ * share a certain stream */
+ struct list_head i_lte_inode_list;
- struct list_head lte_inode_list;
+ /* Device number, used only during image capture */
+ u64 i_devno;
+ };
- char *extracted_file;
+ tchar *i_extracted_file;
/* Root of a red-black tree storing the children of this inode (if
* non-empty, implies the inode is a directory, although that is also
* noted in the @attributes field.) */
- struct rb_root children;
+ struct rb_root i_children;
#ifdef WITH_FUSE
/* wimfs file descriptors table for the inode */
- u16 num_opened_fds;
- u16 num_allocated_fds;
- struct wimlib_fd **fds;
+ u16 i_num_opened_fds;
+ u16 i_num_allocated_fds;
+ struct wimfs_fd **i_fds;
/* Next alternate data stream ID to be assigned */
- u32 next_stream_id;
+ u32 i_next_stream_id;
/* This mutex protects the inode's file descriptors table during
* read-only mounts. Read-write mounts are still restricted to 1
};
#define inode_for_each_dentry(dentry, inode) \
- list_for_each_entry((dentry), &(inode)->dentry_list, inode_dentry_list)
+ list_for_each_entry((dentry), &(inode)->i_dentry, d_alias)
#define inode_add_dentry(dentry, inode) \
- list_add_tail(&(dentry)->inode_dentry_list, &(inode)->dentry_list)
+ list_add_tail(&(dentry)->d_alias, &(inode)->i_dentry)
+
+#define inode_first_dentry(inode) \
+ container_of(inode->i_dentry.next, struct wim_dentry, d_alias)
-static inline bool dentry_is_first_in_inode(const struct dentry *dentry)
+static inline bool
+dentry_is_first_in_inode(const struct wim_dentry *dentry)
{
- return container_of(dentry->d_inode->dentry_list.next,
- struct dentry,
- inode_dentry_list) == dentry;
+ return inode_first_dentry(dentry->d_inode) == dentry;
}
-extern u64 dentry_correct_total_length(const struct dentry *dentry);
+extern u64
+dentry_correct_total_length(const struct wim_dentry *dentry);
-extern int for_dentry_in_tree(struct dentry *root,
- int (*visitor)(struct dentry*, void*),
- void *args);
+extern int
+for_dentry_in_tree(struct wim_dentry *root,
+ int (*visitor)(struct wim_dentry*, void*),
+ void *args);
-extern int for_dentry_in_rbtree(struct rb_node *node,
- int (*visitor)(struct dentry *, void *),
- void *arg);
+extern int
+for_dentry_in_rbtree(struct rb_node *node,
+ int (*visitor)(struct wim_dentry *, void *),
+ void *arg);
-extern int for_dentry_in_tree_depth(struct dentry *root,
- int (*visitor)(struct dentry*, void*),
- void *args);
+static inline int
+for_dentry_child(const struct wim_dentry *dentry,
+ int (*visitor)(struct wim_dentry *, void *),
+ void *arg)
+{
+ return for_dentry_in_rbtree(dentry->d_inode->i_children.rb_node,
+ visitor,
+ arg);
+}
-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 get_names(char **name_utf16_ret, char **name_utf8_ret,
- u16 *name_utf16_len_ret, u16 *name_utf8_len_ret,
- const char *name);
+extern int
+for_dentry_in_tree_depth(struct wim_dentry *root,
+ int (*visitor)(struct wim_dentry*, void*),
+ void *args);
-extern struct dentry *get_dentry(struct WIMStruct *w, const char *path);
-extern struct inode *wim_pathname_to_inode(struct WIMStruct *w,
- const char *path);
-extern struct dentry *get_dentry_child_with_name(const struct dentry *dentry,
- const char *name);
-extern struct dentry *get_parent_dentry(struct WIMStruct *w, const char *path);
+extern void
+calculate_subdir_offsets(struct wim_dentry *dentry, u64 *subdir_offset_p);
-extern int print_dentry(struct dentry *dentry, void *lookup_table);
-extern int print_dentry_full_path(struct dentry *entry, void *ignore);
+extern int
+set_dentry_name(struct wim_dentry *dentry, const tchar *new_name);
-#ifdef WITH_FUSE
-extern struct dentry *new_dentry(const char *name);
-#endif
+extern struct wim_dentry *
+get_dentry(struct WIMStruct *w, const tchar *path);
+
+extern struct wim_inode *
+wim_pathname_to_inode(struct WIMStruct *w, const tchar *path);
+
+extern struct wim_dentry *
+get_dentry_child_with_name(const struct wim_dentry *dentry,
+ const tchar *name);
+
+extern struct wim_dentry *
+get_dentry_child_with_utf16le_name(const struct wim_dentry *dentry,
+ const utf16lechar *name,
+ size_t name_nbytes);
+
+extern struct wim_dentry *
+get_parent_dentry(struct WIMStruct *w, const tchar *path);
+
+extern int
+print_dentry(struct wim_dentry *dentry, void *lookup_table);
-extern struct dentry *new_dentry_with_inode(const char *name);
-extern struct dentry *new_dentry_with_timeless_inode(const char *name);
+extern int
+print_dentry_full_path(struct wim_dentry *entry, void *ignore);
-extern void free_inode(struct inode *inode);
-extern void free_dentry(struct dentry *dentry);
-extern void put_dentry(struct dentry *dentry);
+extern tchar *
+dentry_full_path(struct wim_dentry *dentry);
-extern void free_dentry_tree(struct dentry *root,
- struct lookup_table *lookup_table);
-extern int increment_dentry_refcnt(struct dentry *dentry, void *ignore);
+extern struct wim_inode *
+new_timeless_inode();
-extern void unlink_dentry(struct dentry *dentry);
-extern bool dentry_add_child(struct dentry * restrict parent,
- struct dentry * restrict child);
+extern int
+new_dentry(const tchar *name, struct wim_dentry **dentry_ret);
-extern struct ads_entry *inode_get_ads_entry(struct inode *inode,
- const char *stream_name,
- u16 *idx_ret);
-extern struct ads_entry *inode_add_ads(struct inode *dentry,
- const char *stream_name);
+extern int
+new_dentry_with_inode(const tchar *name, struct wim_dentry **dentry_ret);
-extern void inode_remove_ads(struct inode *inode, u16 idx,
- struct lookup_table *lookup_table);
+extern int
+new_dentry_with_timeless_inode(const tchar *name, struct wim_dentry **dentry_ret);
-extern int read_dentry(const u8 metadata_resource[], u64 metadata_resource_len,
- u64 offset, struct dentry *dentry);
+extern void
+free_inode(struct wim_inode *inode);
+extern void
+free_dentry(struct wim_dentry *dentry);
-extern int read_dentry_tree(const u8 metadata_resource[],
- u64 metadata_resource_len, struct dentry *dentry);
+extern void
+put_dentry(struct wim_dentry *dentry);
-extern u8 *write_dentry_tree(const struct dentry *tree, u8 *p);
+extern void
+free_dentry_tree(struct wim_dentry *root,
+ struct wim_lookup_table *lookup_table);
-static inline bool dentry_is_root(const struct dentry *dentry)
+extern void
+unlink_dentry(struct wim_dentry *dentry);
+
+extern bool
+dentry_add_child(struct wim_dentry * restrict parent,
+ struct wim_dentry * restrict child);
+
+extern struct wim_ads_entry *
+inode_get_ads_entry(struct wim_inode *inode, const tchar *stream_name,
+ u16 *idx_ret);
+
+extern struct wim_ads_entry *
+inode_add_ads_utf16le(struct wim_inode *inode,
+ const utf16lechar *stream_name,
+ size_t stream_name_nbytes);
+
+extern struct wim_ads_entry *
+inode_add_ads(struct wim_inode *dentry, const tchar *stream_name);
+
+extern int
+inode_add_ads_with_data(struct wim_inode *inode, const tchar *name,
+ const void *value, size_t size,
+ struct wim_lookup_table *lookup_table);
+
+extern void
+inode_remove_ads(struct wim_inode *inode, u16 idx,
+ struct wim_lookup_table *lookup_table);
+
+
+#define WIMLIB_UNIX_DATA_TAG "$$__wimlib_UNIX_data"
+#define WIMLIB_UNIX_DATA_TAG_NBYTES (sizeof(WIMLIB_UNIX_DATA_TAG) - 1)
+
+#define WIMLIB_UNIX_DATA_TAG_UTF16LE "$\0$\0_\0_\0w\0i\0m\0l\0i\0b\0_\0U\0N\0I\0X\0_\0d\0a\0t\0a\0"
+#define WIMLIB_UNIX_DATA_TAG_UTF16LE_NBYTES (sizeof(WIMLIB_UNIX_DATA_TAG_UTF16LE) - 1)
+
+/* Format for special alternate data stream entries to store UNIX data for files
+ * and directories (see: WIMLIB_ADD_IMAGE_FLAG_UNIX_DATA) */
+struct wimlib_unix_data {
+ u16 version; /* Must be 0 */
+ u16 uid;
+ u16 gid;
+ u16 mode;
+} PACKED;
+
+#ifndef __WIN32__
+
+#define NO_UNIX_DATA (-1)
+#define BAD_UNIX_DATA (-2)
+extern int
+inode_get_unix_data(const struct wim_inode *inode,
+ struct wimlib_unix_data *unix_data,
+ u16 *stream_idx_ret);
+
+#define UNIX_DATA_UID 0x1
+#define UNIX_DATA_GID 0x2
+#define UNIX_DATA_MODE 0x4
+#define UNIX_DATA_ALL (UNIX_DATA_UID | UNIX_DATA_GID | UNIX_DATA_MODE)
+#define UNIX_DATA_CREATE 0x8
+extern int
+inode_set_unix_data(struct wim_inode *inode, uid_t uid, gid_t gid, mode_t mode,
+ struct wim_lookup_table *lookup_table, int which);
+#endif
+
+extern int
+read_dentry(const u8 metadata_resource[], u64 metadata_resource_len,
+ u64 offset, struct wim_dentry *dentry);
+
+
+extern int
+read_dentry_tree(const u8 metadata_resource[], u64 metadata_resource_len,
+ struct wim_dentry *dentry);
+
+extern u8 *
+write_dentry_tree(const struct wim_dentry *tree, u8 *p);
+
+static inline bool
+dentry_is_root(const struct wim_dentry *dentry)
{
return dentry->parent == dentry;
}
-static inline bool inode_is_directory(const struct inode *inode)
+static inline bool
+inode_is_directory(const struct wim_inode *inode)
{
- return (inode->attributes & FILE_ATTRIBUTE_DIRECTORY)
- && !(inode->attributes & FILE_ATTRIBUTE_REPARSE_POINT);
+ return (inode->i_attributes & FILE_ATTRIBUTE_DIRECTORY)
+ && !(inode->i_attributes & FILE_ATTRIBUTE_REPARSE_POINT);
}
-static inline bool dentry_is_directory(const struct dentry *dentry)
+static inline bool
+dentry_is_directory(const struct wim_dentry *dentry)
{
return inode_is_directory(dentry->d_inode);
}
/* For our purposes, we consider "real" symlinks and "junction points" to both
* be symlinks. */
-static inline bool inode_is_symlink(const struct inode *inode)
+static inline bool
+inode_is_symlink(const struct wim_inode *inode)
{
- return (inode->attributes & FILE_ATTRIBUTE_REPARSE_POINT)
- && ((inode->reparse_tag == WIM_IO_REPARSE_TAG_SYMLINK) ||
- inode->reparse_tag == WIM_IO_REPARSE_TAG_MOUNT_POINT);
+ return (inode->i_attributes & FILE_ATTRIBUTE_REPARSE_POINT)
+ && ((inode->i_reparse_tag == WIM_IO_REPARSE_TAG_SYMLINK) ||
+ inode->i_reparse_tag == WIM_IO_REPARSE_TAG_MOUNT_POINT);
}
-static inline bool inode_is_regular_file(const struct inode *inode)
+static inline bool
+inode_is_regular_file(const struct wim_inode *inode)
{
return !inode_is_directory(inode) && !inode_is_symlink(inode);
}
-static inline bool dentry_is_regular_file(const struct dentry *dentry)
+static inline bool
+dentry_is_regular_file(const struct wim_dentry *dentry)
{
return inode_is_regular_file(dentry->d_inode);
}
-static inline bool inode_has_children(const struct inode *inode)
+static inline bool
+inode_has_children(const struct wim_inode *inode)
+{
+ return inode->i_children.rb_node != NULL;
+}
+
+static inline bool
+dentry_has_children(const struct wim_dentry *dentry)
+{
+ return inode_has_children(dentry->d_inode);
+}
+
+static inline bool
+dentry_has_short_name(const struct wim_dentry *dentry)
{
- return inode->children.rb_node != NULL;
+ return dentry->short_name_nbytes != 0;
}
-static inline bool dentry_is_empty_directory(const struct dentry *dentry)
+static inline bool
+dentry_has_long_name(const struct wim_dentry *dentry)
{
- const struct inode *inode = dentry->d_inode;
- return inode_is_directory(inode) && !inode_has_children(inode);
+ return dentry->file_name_nbytes != 0;
}
#endif
git://wimlib.net / wimlib / blobdiff