""" Copyright (C) Internet Systems Consortium, Inc. ("ISC") SPDX-License-Identifier: MPL-2.0 This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, you can obtain one at https://mozilla.org/MPL/2.0/. See the COPYRIGHT file distributed with this work for additional information regarding copyright ownership. """ import dns.rcode import dns.rdataclass import dns.rdatatype import dns.rrset from isctest.asyncserver import AsyncDnsServer, DomainHandler, StaticResponseHandler class PoisonReferralForwarder(DomainHandler, StaticResponseHandler): domains = ["fwd.hack."] authority = [ dns.rrset.from_text( "hack.", 300, dns.rdataclass.IN, dns.rdatatype.NS, "ns.fwd.hack." ) ] additional = [ dns.rrset.from_text( "ns.fwd.hack.", 300, dns.rdataclass.IN, dns.rdatatype.A, "10.53.0.3" ) ] rcode = dns.rcode.NOERROR authoritative = False def main() -> None: server = AsyncDnsServer() server.install_response_handler(PoisonReferralForwarder()) server.run() if __name__ == "__main__": main()