Add SMB_VFS_CONNECTPATH operation

This is required for the shadow_copy2 module and "wide links = no". The file
system snapshots by nature are typically outside of share directory. So the
REALPATH result fails the wide links = no test.

2 files changed, 8 insertions, 0 deletions

diff --git a/source3/include/vfs.h b/source3/include/vfs.h
index 0c0e0938bd..9a736a7ca0 100644
--- a/source3/include/vfs.h
+++ b/source3/include/vfs.h
@@ -221,6 +221,7 @@ typedef enum _vfs_op_type {
 	SMB_VFS_OP_FILE_ID_CREATE,
 	SMB_VFS_OP_STREAMINFO,
 	SMB_VFS_OP_GET_REAL_FILENAME,
+	SMB_VFS_OP_CONNECTPATH,
 	SMB_VFS_OP_BRL_LOCK_WINDOWS,
 	SMB_VFS_OP_BRL_UNLOCK_WINDOWS,
 	SMB_VFS_OP_BRL_CANCEL_WINDOWS,
@@ -402,6 +403,9 @@ struct vfs_ops {
 					 TALLOC_CTX *mem_ctx,
 					 char **found_name);
 
+		const char *(*connectpath)(struct vfs_handle_struct *handle,
+					   const char *filename);
+
 		NTSTATUS (*brl_lock_windows)(struct vfs_handle_struct *handle,
 					     struct byte_range_lock *br_lck,
 					     struct lock_struct *plock,
@@ -564,6 +568,7 @@ struct vfs_ops {
 		struct vfs_handle_struct *file_id_create;
 		struct vfs_handle_struct *streaminfo;
 		struct vfs_handle_struct *get_real_filename;
+		struct vfs_handle_struct *connectpath;
 		struct vfs_handle_struct *brl_lock_windows;
 		struct vfs_handle_struct *brl_unlock_windows;
 		struct vfs_handle_struct *brl_cancel_windows;
diff --git a/source3/include/vfs_macros.h b/source3/include/vfs_macros.h
index acb158e3a5..0b59f8f3ad 100644
--- a/source3/include/vfs_macros.h
+++ b/source3/include/vfs_macros.h
@@ -88,6 +88,7 @@
 #define SMB_VFS_FILE_ID_CREATE(conn, sbuf) ((conn)->vfs.ops.file_id_create((conn)->vfs.handles.file_id_create, (sbuf)))
 #define SMB_VFS_STREAMINFO(conn, fsp, fname, mem_ctx, num_streams, streams) ((conn)->vfs.ops.streaminfo((conn)->vfs.handles.streaminfo, (fsp), (fname), (mem_ctx), (num_streams), (streams)))
 #define SMB_VFS_GET_REAL_FILENAME(conn, path, name, mem_ctx, found_name) ((conn)->vfs.ops.get_real_filename((conn)->vfs.handles.get_real_filename, (path), (name), (mem_ctx), (found_name)))
+#define SMB_VFS_CONNECTPATH(conn, fname) ((conn)->vfs.ops.connectpath((conn)->vfs.handles.connectpath, (fname)))
 #define SMB_VFS_BRL_LOCK_WINDOWS(conn, br_lck, plock, blocking_lock, blr) ((conn)->vfs.ops.brl_lock_windows((conn)->vfs.handles.brl_lock_windows, (br_lck), (plock), (blocking_lock), (blr)))
 #define SMB_VFS_BRL_UNLOCK_WINDOWS(conn, msg_ctx, br_lck, plock) ((conn)->vfs.ops.brl_unlock_windows((conn)->vfs.handles.brl_unlock_windows, (msg_ctx), (br_lck), (plock)))
 #define SMB_VFS_BRL_CANCEL_WINDOWS(conn, br_lck, plock, blr) ((conn)->vfs.ops.brl_cancel_windows((conn)->vfs.handles.brl_cancel_windows, (br_lck), (plock), (blr)))
@@ -222,6 +223,7 @@
 #define SMB_VFS_OPAQUE_FILE_ID_CREATE(conn, sbuf) ((conn)->vfs.ops_opaque.file_id_create((conn)->vfs_opaque.handles.file_id_create, (sbuf)))
 #define SMB_VFS_OPAQUE_STREAMINFO(conn, fsp, fname, mem_ctx, num_streams, streams) ((conn)->vfs_opaque.ops.streaminfo((conn)->vfs_opaque.handles.streaminfo, (fsp), (fname), (mem_ctx), (num_streams), (streams)))
 #define SMB_VFS_OPAQUE_GET_REAL_FILENAME(conn, path, name, mem_ctx, found_name) ((conn)->vfs_opaque.ops.get_real_filename((conn)->vfs_opaque.handles.get_real_filename, (path), (name), (mem_ctx), (found_name)))
+#define SMB_VFS_OPAQUE_CONNECTPATH(conn, fname) ((conn)->vfs_opaque.ops.connectpath((conn)->vfs_opaque.handles.connectpath, (fname)))
 #define SMB_VFS_OPAQUE_BRL_LOCK_WINDOWS(conn, br_lck, plock, blocking_lock, blr) ((conn)->vfs_opaque.ops.brl_lock_windows((conn)->vfs_opaque.handles.brl_lock_windows, (br_lck), (plock), (blocking_lock), (blr)))
 #define SMB_VFS_OPAQUE_BRL_UNLOCK_WINDOWS(conn, msg_ctx, br_lck, plock) ((conn)->vfs_opaque.ops.brl_unlock_windows((conn)->vfs_opaque.handles.brl_unlock_windows, (msg_ctx), (br_lck), (plock)))
 #define SMB_VFS_OPAQUE_BRL_CANCEL_WINDOWS(conn, br_lck, plock, blr) ((conn)->vfs_opaque.ops.brl_cancel_windows((conn)->vfs_opaque.handles.brl_cancel_windows, (br_lck), (plock), (blr)))
@@ -357,6 +359,7 @@
 #define SMB_VFS_NEXT_FILE_ID_CREATE(handle, sbuf) ((handle)->vfs_next.ops.file_id_create((handle)->vfs_next.handles.file_id_create, (sbuf)))
 #define SMB_VFS_NEXT_STREAMINFO(handle, fsp, fname, mem_ctx, num_streams, streams) ((handle)->vfs_next.ops.streaminfo((handle)->vfs_next.handles.streaminfo, (fsp), (fname), (mem_ctx), (num_streams), (streams)))
 #define SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name, mem_ctx, found_name) ((handle)->vfs_next.ops.get_real_filename((handle)->vfs_next.handles.get_real_filename, (path), (name), (mem_ctx), (found_name)))
+#define SMB_VFS_NEXT_CONNECTPATH(conn, fname) ((conn)->vfs_next.ops.connectpath((conn)->vfs_next.handles.connectpath, (fname)))
 #define SMB_VFS_NEXT_BRL_LOCK_WINDOWS(handle, br_lck, plock, blocking_lock, blr) ((handle)->vfs_next.ops.brl_lock_windows((handle)->vfs_next.handles.brl_lock_windows, (br_lck), (plock), (blocking_lock), (blr)))
 #define SMB_VFS_NEXT_BRL_UNLOCK_WINDOWS(handle, msg_ctx, br_lck, plock) ((handle)->vfs_next.ops.brl_unlock_windows((handle)->vfs_next.handles.brl_unlock_windows, (msg_ctx), (br_lck), (plock)))
 #define SMB_VFS_NEXT_BRL_CANCEL_WINDOWS(handle, br_lck, plock, blr) ((handle)->vfs_next.ops.brl_cancel_windows((handle)->vfs_next.handles.brl_cancel_windows, (br_lck), (plock), (blr)))