如何复制文件并授予它们目标目录的权限

I am copying files from source to location. The source is not owned by me and the permission for files at source is ----rwx---. The permission of files coped to destination directory which is owned by me is ----r-x---. The permission of destination directory is drwxrwsrwx. How do I have the files with same permission of destination directory. I tried "cp --no-preserve=all" but it did not work (still the same permission).I am copying files from source to location. The