static NTSTATUS can_rename(connection_struct *conn, files_struct *fsp,
uint16 dirtype)
{
- uint32 fmode;
-
if (!CAN_WRITE(conn)) {
return NT_STATUS_MEDIA_WRITE_PROTECTED;
}
- fmode = dos_mode(conn, fsp->fsp_name);
- if ((fmode & ~dirtype) & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) {
- return NT_STATUS_NO_SUCH_FILE;
+ if ((dirtype & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) !=
+ (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) {
+ /* Only bother to read the DOS attribute if we might deny the
+ rename on the grounds of attribute missmatch. */
+ uint32_t fmode = dos_mode(conn, fsp->fsp_name);
+ if ((fmode & ~dirtype) & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) {
+ return NT_STATUS_NO_SUCH_FILE;
+ }
}
if (S_ISDIR(fsp->fsp_name->st.st_ex_mode)) {