diff options
Diffstat (limited to 'source4/scripting/python')
| -rw-r--r-- | source4/scripting/python/samba/tests/dns.py | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/source4/scripting/python/samba/tests/dns.py b/source4/scripting/python/samba/tests/dns.py index ca9edbf500..26f8089822 100644 --- a/source4/scripting/python/samba/tests/dns.py +++ b/source4/scripting/python/samba/tests/dns.py @@ -99,6 +99,22 @@ class DNSTest(TestCase): if s is not None: s.close() + def dns_transaction_tcp(self, packet, host=os.getenv('DC_SERVER_IP')): + "send a DNS query and read the reply" + s = None + try: + send_packet = ndr.ndr_pack(packet) + s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) + s.connect((host, 53)) + tcp_packet = struct.pack('!H', len(send_packet)) + tcp_packet += send_packet + s.send(tcp_packet, 0) + recv_packet = s.recv(0xffff + 2, 0) + return ndr.ndr_unpack(dns.name_packet, recv_packet[2:]) + finally: + if s is not None: + s.close() + def test_one_a_query(self): "create a query packet containing one query record" p = self.make_name_packet(dns.DNS_OPCODE_QUERY) @@ -117,6 +133,24 @@ class DNSTest(TestCase): self.assertEquals(response.answers[0].rdata, os.getenv('DC_SERVER_IP')) + def test_one_a_query_tcp(self): + "create a query packet containing one query record via TCP" + p = self.make_name_packet(dns.DNS_OPCODE_QUERY) + questions = [] + + name = "%s.%s" % (os.getenv('DC_SERVER'), self.get_dns_domain()) + q = self.make_name_question(name, dns.DNS_QTYPE_A, dns.DNS_QCLASS_IN) + print "asking for ", q.name + questions.append(q) + + self.finish_name_packet(p, questions) + response = self.dns_transaction_tcp(p) + self.assert_dns_rcode_equals(response, dns.DNS_RCODE_OK) + self.assert_dns_opcode_equals(response, dns.DNS_OPCODE_QUERY) + self.assertEquals(response.ancount, 1) + self.assertEquals(response.answers[0].rdata, + os.getenv('DC_SERVER_IP')) + def test_two_queries(self): "create a query packet containing two query records" p = self.make_name_packet(dns.DNS_OPCODE_QUERY) |