def test_incoming_exception_handling(self):
generated = r.DNSOutgoing(0)
packet = generated.packet()
packet = packet[:8] + b'deadbeef' + packet[8:]
parsed = r.DNSIncoming(packet)
parsed = r.DNSIncoming(packet)
assert parsed.valid is False
def test_long_name(self):
generated = r.DNSOutgoing(r._FLAGS_QR_RESPONSE)
question = r.DNSQuestion(
"this.is.a.very.long.name.with.lots.of.parts.in.it.local.",
r._TYPE_SRV, r._CLASS_IN)
generated.add_question(question)
r.DNSIncoming(generated.packet())
def test_same_name(self):
name = "paired.local."
generated = r.DNSOutgoing(r._FLAGS_QR_RESPONSE)
question = r.DNSQuestion(name, r._TYPE_SRV, r._CLASS_IN)
generated.add_question(question)
generated.add_question(question)
r.DNSIncoming(generated.packet())
def test_incoming_unknown_type(self):
generated = r.DNSOutgoing(0)
answer = r.DNSAddress('a', r._TYPE_SOA, r._CLASS_IN, 1, b'a')
generated.add_additional_answer(answer)
packet = generated.packet()
parsed = r.DNSIncoming(packet)
assert len(parsed.answers) == 0
assert parsed.is_query() != parsed.is_response()
def test_match_question(self):
generated = r.DNSOutgoing(r._FLAGS_QR_QUERY)
question = r.DNSQuestion("testname.local.", r._TYPE_SRV, r._CLASS_IN)
generated.add_question(question)
parsed = r.DNSIncoming(generated.packet())
self.assertEqual(len(generated.questions), 1)
self.assertEqual(len(generated.questions), len(parsed.questions))
self.assertEqual(question, parsed.questions[0])
def test_dns_hinfo(self):
generated = r.DNSOutgoing(0)
generated.add_additional_answer(
DNSHinfo('irrelevant', r._TYPE_HINFO, 0, 0, 'cpu', 'os'))
parsed = r.DNSIncoming(generated.packet())
self.assertEqual(parsed.answers[0].cpu, u'cpu')
self.assertEqual(parsed.answers[0].os, u'os')
generated = r.DNSOutgoing(0)
generated.add_additional_answer(
DNSHinfo('irrelevant', r._TYPE_HINFO, 0, 0, 'cpu', 'x' * 257))
self.assertRaises(r.NamePartTooLongException, generated.packet)
def test_parse_own_packet_simple(self):
generated = r.DNSOutgoing(0)
r.DNSIncoming(generated.packet())
def test_exceedingly_long_name(self):
generated = r.DNSOutgoing(r._FLAGS_QR_RESPONSE)
name = "%slocal." % ("part." * 1000)
question = r.DNSQuestion(name, r._TYPE_SRV, r._CLASS_IN)
generated.add_question(question)
r.DNSIncoming(generated.packet())
def test_parse_own_packet_question(self):
generated = r.DNSOutgoing(r._FLAGS_QR_QUERY)
generated.add_question(
r.DNSQuestion("testname.local.", r._TYPE_SRV, r._CLASS_IN))
r.DNSIncoming(generated.packet())
def test_parse_own_packet_flags(self):
generated = r.DNSOutgoing(r._FLAGS_QR_QUERY)
r.DNSIncoming(generated.packet())