close(f, 0L);

        response.securityDescriptor.owner_user.resolve(getServerWithDfs(), auth);
        return response.securityDescriptor.owner_user;
    }

    public SID getOwnerGroup() throws IOException {

        int f = open0(O_RDONLY, READ_CONTROL, 0, isDirectory() ? 1 : 0);

        /*
         * NtTrans Query Security Desc Request / Response
         */