projects / thirdparty / pdns.git / blame
| Commit | Line | Data |
|---|---|---|
| 838adb89 PL |
1 | #!/usr/bin/env python |
| 2 | ||
| 3 | from __future__ import print_function | |
| 4 | ||
| 5 | import threading | |
| 6 | import unittest | |
| 7 | ||
| 8 | import dns | |
| 9 | from twisted.internet.protocol import DatagramProtocol | |
| 10 | from twisted.internet import reactor | |
| 11 | ||
| 12 | from authtests import AuthTest | |
| 13 | ||
| 14 | aliasUDPReactorRunning = False | |
| 15 | ||
| 16 | ||
| 17 | class TestALIAS(AuthTest): | |
| 18 | _zones = { | |
| 19 | 'example.org': """ | |
| 20 | example.org. 3600 IN SOA {soa} | |
| 21 | example.org. 3600 IN NS ns1.example.org. | |
| 22 | example.org. 3600 IN NS ns2.example.org. | |
| 23 | ns1.example.org. 3600 IN A {prefix}.10 | |
| 24 | ns2.example.org. 3600 IN A {prefix}.11 | |
| 25 | ||
| 26 | noerror.example.org. 3600 IN ALIAS noerror.example.com. | |
| 27 | nxd.example.org. 3600 IN ALIAS nxd.example.com. | |
| 28 | servfail.example.org. 3600 IN ALIAS servfail.example.com | |
| 29 | """, | |
| 30 | } | |
| 31 | ||
| 32 | @classmethod | |
| 33 | def startResponders(cls): | |
| 34 | global aliasUDPReactorRunning | |
| 35 | ||
| 36 | address = cls._PREFIX + '.1' | |
| 37 | port = 5301 | |
| 38 | ||
| 39 | if not aliasUDPReactorRunning: | |
| 40 | reactor.listenUDP(port, AliasUDPResponder(), interface=address) | |
| 41 | ||
| 42 | aliasUDPReactorRunning = True | |
| 43 | ||
| 44 | if not reactor.running: | |
| 45 | cls._ALIASResponder = threading.Thread(name='ALIAS Responder', | |
| 46 | target=reactor.run, | |
| 47 | args=(False,)) | |
| 48 | cls._ALIASResponder.setDaemon(True) | |
| 49 | cls._ALIASResponder.start() | |
| 50 | ||
| 51 | def testNoError(self): | |
| 52 | expected_a = [dns.rrset.from_text('noerror.example.org.', | |
| 53 | 0, dns.rdataclass.IN, 'A', | |
| 54 | '192.0.2.1')] | |
| 55 | expected_aaaa = [dns.rrset.from_text('noerror.example.org.', | |
| 56 | 0, dns.rdataclass.IN, 'AAAA', | |
| 57 | '2001:DB8::1')] | |
| 58 | ||
| 59 | query = dns.message.make_query('noerror.example.org', 'A') | |
| 60 | res = self.sendUDPQuery(query) | |
| 61 | self.assertRcodeEqual(res, dns.rcode.NOERROR) | |
| 62 | self.assertAnyRRsetInAnswer(res, expected_a) | |
| 63 | ||
| 64 | query = dns.message.make_query('noerror.example.org', 'AAAA') | |
| 65 | res = self.sendUDPQuery(query) | |
| 66 | self.assertRcodeEqual(res, dns.rcode.NOERROR) | |
| 67 | self.assertAnyRRsetInAnswer(res, expected_aaaa) | |
| 68 | ||
| 69 | query = dns.message.make_query('noerror.example.org', 'ANY') | |
| 70 | res = self.sendUDPQuery(query) | |
| 71 | self.assertRcodeEqual(res, dns.rcode.NOERROR) | |
| 72 | self.assertAnyRRsetInAnswer(res, expected_a) | |
| 73 | self.assertAnyRRsetInAnswer(res, expected_aaaa) | |
| 74 | ||
| 75 | # NODATA | |
| 76 | query = dns.message.make_query('noerror.example.org', 'MX') | |
| 77 | res = self.sendUDPQuery(query) | |
| 78 | self.assertRcodeEqual(res, dns.rcode.NOERROR) | |
| 79 | self.assertEqual(len(res.answer), 0) | |
| 80 | ||
| 81 | def testNxDomain(self): | |
| 82 | query = dns.message.make_query('nxd.example.org', 'A') | |
| 83 | res = self.sendUDPQuery(query) | |
| 84 | self.assertRcodeEqual(res, dns.rcode.SERVFAIL) | |
| 85 | ||
| 86 | query = dns.message.make_query('nxd.example.org', 'AAAA') | |
| 87 | res = self.sendUDPQuery(query) | |
| 88 | self.assertRcodeEqual(res, dns.rcode.SERVFAIL) | |
| 89 | ||
| 90 | # TODO this should actually return SOA + NS? | |
| 91 | query = dns.message.make_query('nxd.example.org', 'ANY') | |
| 92 | res = self.sendUDPQuery(query) | |
| 93 | self.assertRcodeEqual(res, dns.rcode.SERVFAIL) | |
| 94 | ||
| 95 | def testServFail(self): | |
| 96 | query = dns.message.make_query('servfail.example.org', 'A') | |
| 97 | res = self.sendUDPQuery(query) | |
| 98 | self.assertRcodeEqual(res, dns.rcode.SERVFAIL) | |
| 99 | ||
| 100 | query = dns.message.make_query('servfail.example.org', 'AAAA') | |
| 101 | res = self.sendUDPQuery(query) | |
| 102 | self.assertRcodeEqual(res, dns.rcode.SERVFAIL) | |
| 103 | ||
| 104 | # TODO this should actually return SOA + NS? | |
| 105 | query = dns.message.make_query('servfail.example.org', 'ANY') | |
| 106 | res = self.sendUDPQuery(query) | |
| 107 | self.assertRcodeEqual(res, dns.rcode.SERVFAIL) | |
| 108 | ||
| 109 | def testNoErrorTCP(self): | |
| 110 | expected_a = [dns.rrset.from_text('noerror.example.org.', | |
| 111 | 0, dns.rdataclass.IN, 'A', | |
| 112 | '192.0.2.1')] | |
| 113 | expected_aaaa = [dns.rrset.from_text('noerror.example.org.', | |
| 114 | 0, dns.rdataclass.IN, 'AAAA', | |
| 115 | '2001:DB8::1')] | |
| 116 | ||
| 117 | query = dns.message.make_query('noerror.example.org', 'A') | |
| 118 | res = self.sendTCPQuery(query) | |
| 119 | self.assertRcodeEqual(res, dns.rcode.NOERROR) | |
| 120 | self.assertAnyRRsetInAnswer(res, expected_a) | |
| 121 | ||
| 122 | query = dns.message.make_query('noerror.example.org', 'AAAA') | |
| 123 | res = self.sendTCPQuery(query) | |
| 124 | self.assertRcodeEqual(res, dns.rcode.NOERROR) | |
| 125 | self.assertAnyRRsetInAnswer(res, expected_aaaa) | |
| 126 | ||
| 127 | query = dns.message.make_query('noerror.example.org', 'ANY') | |
| 128 | res = self.sendTCPQuery(query) | |
| 129 | self.assertRcodeEqual(res, dns.rcode.NOERROR) | |
| 130 | self.assertAnyRRsetInAnswer(res, expected_a) | |
| 131 | self.assertAnyRRsetInAnswer(res, expected_aaaa) | |
| 132 | ||
| 133 | # NODATA | |
| 134 | query = dns.message.make_query('noerror.example.org', 'MX') | |
| 135 | res = self.sendTCPQuery(query) | |
| 136 | self.assertRcodeEqual(res, dns.rcode.NOERROR) | |
| 137 | self.assertEqual(len(res.answer), 0) | |
| 138 | ||
| 139 | def testNxDomainTCP(self): | |
| 140 | query = dns.message.make_query('nxd.example.org', 'A') | |
| 141 | res = self.sendTCPQuery(query) | |
| 142 | self.assertRcodeEqual(res, dns.rcode.SERVFAIL) | |
| 143 | ||
| 144 | query = dns.message.make_query('nxd.example.org', 'AAAA') | |
| 145 | res = self.sendTCPQuery(query) | |
| 146 | self.assertRcodeEqual(res, dns.rcode.SERVFAIL) | |
| 147 | ||
| 148 | query = dns.message.make_query('nxd.example.org', 'ANY') | |
| 149 | res = self.sendTCPQuery(query) | |
| 150 | self.assertRcodeEqual(res, dns.rcode.SERVFAIL) | |
| 151 | ||
| 152 | def testServFailTCP(self): | |
| 153 | query = dns.message.make_query('servfail.example.org', 'A') | |
| 154 | res = self.sendTCPQuery(query) | |
| 155 | self.assertRcodeEqual(res, dns.rcode.SERVFAIL) | |
| 156 | ||
| 157 | query = dns.message.make_query('servfail.example.org', 'AAAA') | |
| 158 | res = self.sendTCPQuery(query) | |
| 159 | self.assertRcodeEqual(res, dns.rcode.SERVFAIL) | |
| 160 | ||
| 161 | query = dns.message.make_query('servfail.example.org', 'ANY') | |
| 162 | res = self.sendTCPQuery(query) | |
| 163 | self.assertRcodeEqual(res, dns.rcode.SERVFAIL) | |
| 164 | ||
| 165 | ||
| 166 | class AliasUDPResponder(DatagramProtocol): | |
| 167 | def datagramReceived(self, datagram, address): | |
| 168 | request = dns.message.from_wire(datagram) | |
| 169 | response = dns.message.make_response(request) | |
| 170 | response.use_edns(edns=False) | |
| 171 | response.flags |= dns.flags.RA | |
| 172 | ||
| 173 | if request.question[0].name == dns.name.from_text( | |
| 174 | 'noerror.example.com.'): | |
| 175 | response.set_rcode(dns.rcode.NOERROR) | |
| 176 | if request.question[0].rdtype in [dns.rdatatype.A, | |
| 177 | dns.rdatatype.ANY]: | |
| 178 | response.answer.append( | |
| 179 | dns.rrset.from_text( | |
| 180 | request.question[0].name, | |
| 181 | 0, dns.rdataclass.IN, 'A', '192.0.2.1')) | |
| 182 | ||
| 183 | if request.question[0].rdtype in [dns.rdatatype.AAAA, | |
| 184 | dns.rdatatype.ANY]: | |
| 185 | response.answer.append( | |
| 186 | dns.rrset.from_text(request.question[0].name, | |
| 187 | 0, dns.rdataclass.IN, 'AAAA', | |
| 188 | '2001:DB8::1')) | |
| 189 | if request.question[0].name == dns.name.from_text( | |
| 190 | 'nxd.example.com.'): | |
| 191 | response.set_rcode(dns.rcode.NXDOMAIN) | |
| 192 | response.authority.append( | |
| 193 | dns.rrset.from_text( | |
| 194 | 'example.com.', | |
| 195 | 0, dns.rdataclass.IN, 'SOA', 'ns1.example.com. hostmaster.example.com. 2018062101 1 2 3 4')) | |
| 196 | ||
| 197 | if request.question[0].name == dns.name.from_text( | |
| 198 | 'servfail.example.com.'): | |
| 199 | response.set_rcode(dns.rcode.SERVFAIL) | |
| 200 | ||
| 201 | self.transport.write(response.to_wire(max_size=65535), address) |