ret_sec_string
CHECK(ret_sec_string(in, 0, &domain, &data->domain), 0);
CHECK(ret_sec_string(in, 0, &hostname, &data->hostname), 0);
CHECK(ret_sec_string(in, ucs2, &targetname, &type2->targetname), 0);
CHECK(ret_sec_string(in, ucs2, &target, &type3->targetname), 0);
CHECK(ret_sec_string(in, ucs2, &username, &type3->username), 0);
CHECK(ret_sec_string(in, ucs2, &ws, &type3->ws), 0);