| | 1 | #!/usr/bin/env python |
| | 2 | import dns |
| | 3 | import clientsubnetoption |
| | 4 | from dnsdisttests import DNSDistTest |
| | 5 | from datetime import datetime, timedelta |
| | 6 | |
| | 7 | class TestEDNSSelfGenerated(DNSDistTest): |
| | 8 | """ |
| | 9 | Check that dnsdist sends correct EDNS data on |
| | 10 | self-generated (RCodeAction(), TCAction(), Lua..) |
| | 11 | """ |
| | 12 | |
| | 13 | _config_template = """ |
| | 14 | addAction("rcode.edns-self.tests.powerdns.com.", RCodeAction(DNSRCode.REFUSED)) |
| | 15 | addAction("tc.edns-self.tests.powerdns.com.", TCAction()) |
| | 16 | |
| | 17 | function luarule(dq) |
| | 18 | return DNSAction.Nxdomain, "" |
| | 19 | end |
| | 20 | |
| | 21 | addAction("lua.edns-self.tests.powerdns.com.", LuaAction(luarule)) |
| | 22 | |
| | 23 | addAction("spoof.edns-self.tests.powerdns.com.", SpoofAction({'192.0.2.1', '192.0.2.2'})) |
| | 24 | |
| | 25 | setPayloadSizeOnSelfGeneratedAnswers(1042) |
| | 26 | |
| | 27 | newServer{address="127.0.0.1:%s"} |
| | 28 | """ |
| | 29 | |
| | 30 | def testNoEDNS(self): |
| | 31 | """ |
| | 32 | EDNS on Self-Generated: No existing EDNS |
| | 33 | """ |
| | 34 | name = 'no-edns.rcode.edns-self.tests.powerdns.com.' |
| | 35 | query = dns.message.make_query(name, 'A', 'IN') |
| | 36 | query.flags &= ~dns.flags.RD |
| | 37 | expectedResponse = dns.message.make_response(query) |
| | 38 | expectedResponse.set_rcode(dns.rcode.REFUSED) |
| | 39 | |
| | 40 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 41 | sender = getattr(self, method) |
| | 42 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 43 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) |
| | 44 | |
| | 45 | name = 'no-edns.tc.edns-self.tests.powerdns.com.' |
| | 46 | query = dns.message.make_query(name, 'A', 'IN') |
| | 47 | # dnsdist sets RA = RD for TC responses |
| | 48 | query.flags &= ~dns.flags.RD |
| | 49 | expectedResponse = dns.message.make_response(query) |
| | 50 | expectedResponse.flags |= dns.flags.TC |
| | 51 | |
| | 52 | (_, receivedResponse) = self.sendUDPQuery(query, response=None, useQueue=False) |
| | 53 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) |
| | 54 | |
| | 55 | name = 'no-edns.lua.edns-self.tests.powerdns.com.' |
| | 56 | query = dns.message.make_query(name, 'A', 'IN') |
| | 57 | expectedResponse = dns.message.make_response(query) |
| | 58 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) |
| | 59 | |
| | 60 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 61 | sender = getattr(self, method) |
| | 62 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 63 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) |
| | 64 | |
| | 65 | name = 'no-edns.spoof.edns-self.tests.powerdns.com.' |
| | 66 | query = dns.message.make_query(name, 'A', 'IN') |
| | 67 | # dnsdist set RA = RD for spoofed responses |
| | 68 | query.flags &= ~dns.flags.RD |
| | 69 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
| | 70 | expectedResponse.answer.append(dns.rrset.from_text(name, |
| | 71 | 60, |
| | 72 | dns.rdataclass.IN, |
| | 73 | dns.rdatatype.A, |
| | 74 | '192.0.2.1', '192.0.2.2')) |
| | 75 | |
| | 76 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 77 | sender = getattr(self, method) |
| | 78 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 79 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) |
| | 80 | |
| | 81 | def testWithEDNSNoDO(self): |
| | 82 | """ |
| | 83 | EDNS on Self-Generated: EDNS with DO=0 |
| | 84 | """ |
| | 85 | name = 'edns-no-do.rcode.edns-self.tests.powerdns.com.' |
| | 86 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) |
| | 87 | query.flags &= ~dns.flags.RD |
| | 88 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
| | 89 | expectedResponse.set_rcode(dns.rcode.REFUSED) |
| | 90 | |
| | 91 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 92 | sender = getattr(self, method) |
| | 93 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 94 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) |
| | 95 | self.assertFalse(receivedResponse.ednsflags & dns.flags.DO) |
| | 96 | self.assertEqual(receivedResponse.payload, 1042) |
| | 97 | |
| | 98 | name = 'edns-no-do.tc.edns-self.tests.powerdns.com.' |
| | 99 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) |
| | 100 | # dnsdist sets RA = RD for TC responses |
| | 101 | query.flags &= ~dns.flags.RD |
| | 102 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
| | 103 | expectedResponse.flags |= dns.flags.TC |
| | 104 | |
| | 105 | (_, receivedResponse) = self.sendUDPQuery(query, response=None, useQueue=False) |
| | 106 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) |
| | 107 | self.assertFalse(receivedResponse.ednsflags & dns.flags.DO) |
| | 108 | self.assertEqual(receivedResponse.payload, 1042) |
| | 109 | |
| | 110 | name = 'edns-no-do.lua.edns-self.tests.powerdns.com.' |
| | 111 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) |
| | 112 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
| | 113 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) |
| | 114 | |
| | 115 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 116 | sender = getattr(self, method) |
| | 117 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 118 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) |
| | 119 | self.assertFalse(receivedResponse.ednsflags & dns.flags.DO) |
| | 120 | self.assertEqual(receivedResponse.payload, 1042) |
| | 121 | |
| | 122 | name = 'edns-no-do.spoof.edns-self.tests.powerdns.com.' |
| | 123 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) |
| | 124 | # dnsdist set RA = RD for spoofed responses |
| | 125 | query.flags &= ~dns.flags.RD |
| | 126 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
| | 127 | expectedResponse.answer.append(dns.rrset.from_text(name, |
| | 128 | 60, |
| | 129 | dns.rdataclass.IN, |
| | 130 | dns.rdatatype.A, |
| | 131 | '192.0.2.1', '192.0.2.2')) |
| | 132 | |
| | 133 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 134 | sender = getattr(self, method) |
| | 135 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 136 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) |
| | 137 | self.assertFalse(receivedResponse.ednsflags & dns.flags.DO) |
| | 138 | self.assertEqual(receivedResponse.payload, 1042) |
| | 139 | |
| | 140 | def testWithEDNSWithDO(self): |
| | 141 | """ |
| | 142 | EDNS on Self-Generated: EDNS with DO=1 |
| | 143 | """ |
| | 144 | name = 'edns-do.rcode.edns-self.tests.powerdns.com.' |
| | 145 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) |
| | 146 | query.flags &= ~dns.flags.RD |
| | 147 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
| | 148 | expectedResponse.want_dnssec(True) |
| | 149 | expectedResponse.set_rcode(dns.rcode.REFUSED) |
| | 150 | |
| | 151 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 152 | sender = getattr(self, method) |
| | 153 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 154 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) |
| | 155 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) |
| | 156 | self.assertEqual(receivedResponse.payload, 1042) |
| | 157 | |
| | 158 | name = 'edns-do.tc.edns-self.tests.powerdns.com.' |
| | 159 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) |
| | 160 | # dnsdist sets RA = RD for TC responses |
| | 161 | query.flags &= ~dns.flags.RD |
| | 162 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
| | 163 | expectedResponse.want_dnssec(True) |
| | 164 | expectedResponse.flags |= dns.flags.TC |
| | 165 | |
| | 166 | (_, receivedResponse) = self.sendUDPQuery(query, response=None, useQueue=False) |
| | 167 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) |
| | 168 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) |
| | 169 | self.assertEqual(receivedResponse.payload, 1042) |
| | 170 | |
| | 171 | name = 'edns-do.lua.edns-self.tests.powerdns.com.' |
| | 172 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) |
| | 173 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
| | 174 | expectedResponse.want_dnssec(True) |
| | 175 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) |
| | 176 | |
| | 177 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 178 | sender = getattr(self, method) |
| | 179 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 180 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) |
| | 181 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) |
| | 182 | self.assertEqual(receivedResponse.payload, 1042) |
| | 183 | |
| | 184 | name = 'edns-do.spoof.edns-self.tests.powerdns.com.' |
| | 185 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) |
| | 186 | # dnsdist set RA = RD for spoofed responses |
| | 187 | query.flags &= ~dns.flags.RD |
| | 188 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
| | 189 | expectedResponse.want_dnssec(True) |
| | 190 | expectedResponse.answer.append(dns.rrset.from_text(name, |
| | 191 | 60, |
| | 192 | dns.rdataclass.IN, |
| | 193 | dns.rdatatype.A, |
| | 194 | '192.0.2.1', '192.0.2.2')) |
| | 195 | |
| | 196 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 197 | sender = getattr(self, method) |
| | 198 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 199 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) |
| | 200 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) |
| | 201 | self.assertEqual(receivedResponse.payload, 1042) |
| | 202 | |
| | 203 | def testWithEDNSNoOptions(self): |
| | 204 | """ |
| | 205 | EDNS on Self-Generated: EDNS with options in the query |
| | 206 | """ |
| | 207 | name = 'edns-options.rcode.edns-self.tests.powerdns.com.' |
| | 208 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) |
| | 209 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) |
| | 210 | query.flags &= ~dns.flags.RD |
| | 211 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
| | 212 | expectedResponse.set_rcode(dns.rcode.REFUSED) |
| | 213 | expectedResponse.want_dnssec(True) |
| | 214 | |
| | 215 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 216 | sender = getattr(self, method) |
| | 217 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 218 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) |
| | 219 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) |
| | 220 | self.assertEqual(receivedResponse.payload, 1042) |
| | 221 | |
| | 222 | name = 'edns-options.tc.edns-self.tests.powerdns.com.' |
| | 223 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) |
| | 224 | # dnsdist sets RA = RD for TC responses |
| | 225 | query.flags &= ~dns.flags.RD |
| | 226 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
| | 227 | expectedResponse.want_dnssec(True) |
| | 228 | expectedResponse.flags |= dns.flags.TC |
| | 229 | |
| | 230 | (_, receivedResponse) = self.sendUDPQuery(query, response=None, useQueue=False) |
| | 231 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) |
| | 232 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) |
| | 233 | self.assertEqual(receivedResponse.payload, 1042) |
| | 234 | |
| | 235 | name = 'edns-options.lua.edns-self.tests.powerdns.com.' |
| | 236 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) |
| | 237 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
| | 238 | expectedResponse.want_dnssec(True) |
| | 239 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) |
| | 240 | |
| | 241 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 242 | sender = getattr(self, method) |
| | 243 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 244 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) |
| | 245 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) |
| | 246 | self.assertEqual(receivedResponse.payload, 1042) |
| | 247 | |
| | 248 | name = 'edns-options.spoof.edns-self.tests.powerdns.com.' |
| | 249 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) |
| | 250 | # dnsdist set RA = RD for spoofed responses |
| | 251 | query.flags &= ~dns.flags.RD |
| | 252 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
| | 253 | expectedResponse.want_dnssec(True) |
| | 254 | expectedResponse.answer.append(dns.rrset.from_text(name, |
| | 255 | 60, |
| | 256 | dns.rdataclass.IN, |
| | 257 | dns.rdatatype.A, |
| | 258 | '192.0.2.1', '192.0.2.2')) |
| | 259 | |
| | 260 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 261 | sender = getattr(self, method) |
| | 262 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 263 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) |
| | 264 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) |
| | 265 | self.assertEqual(receivedResponse.payload, 1042) |
| | 266 | |
| | 267 | |
| | 268 | class TestEDNSSelfGeneratedDisabled(DNSDistTest): |
| | 269 | """ |
| | 270 | Check that dnsdist does not send EDNS data on |
| | 271 | self-generated (RCodeAction(), TCAction(), Lua..) when disabled |
| | 272 | """ |
| | 273 | |
| | 274 | _config_template = """ |
| | 275 | setAddEDNSToSelfGeneratedResponses(false) |
| | 276 | |
| | 277 | addAction("rcode.edns-self-disabled.tests.powerdns.com.", RCodeAction(DNSRCode.REFUSED)) |
| | 278 | addAction("tc.edns-self-disabled.tests.powerdns.com.", TCAction()) |
| | 279 | |
| | 280 | function luarule(dq) |
| | 281 | return DNSAction.Nxdomain, "" |
| | 282 | end |
| | 283 | |
| | 284 | addAction("lua.edns-self-disabled.tests.powerdns.com.", LuaAction(luarule)) |
| | 285 | |
| | 286 | addAction("spoof.edns-self-disabled.tests.powerdns.com.", SpoofAction({'192.0.2.1', '192.0.2.2'})) |
| | 287 | |
| | 288 | setPayloadSizeOnSelfGeneratedAnswers(1042) |
| | 289 | |
| | 290 | newServer{address="127.0.0.1:%s"} |
| | 291 | """ |
| | 292 | |
| | 293 | def testWithEDNSNoDO(self): |
| | 294 | """ |
| | 295 | EDNS on Self-Generated (disabled): EDNS with DO=0 |
| | 296 | """ |
| | 297 | name = 'edns-no-do.rcode.edns-self-disabled.tests.powerdns.com.' |
| | 298 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) |
| | 299 | query.flags &= ~dns.flags.RD |
| | 300 | expectedResponse = dns.message.make_response(query) |
| | 301 | expectedResponse.set_rcode(dns.rcode.REFUSED) |
| | 302 | |
| | 303 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 304 | sender = getattr(self, method) |
| | 305 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 306 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) |
| | 307 | |
| | 308 | name = 'edns-no-do.tc.edns-self-disabled.tests.powerdns.com.' |
| | 309 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) |
| | 310 | # dnsdist sets RA = RD for TC responses |
| | 311 | query.flags &= ~dns.flags.RD |
| | 312 | expectedResponse = dns.message.make_response(query) |
| | 313 | expectedResponse.flags |= dns.flags.TC |
| | 314 | |
| | 315 | (_, receivedResponse) = self.sendUDPQuery(query, response=None, useQueue=False) |
| | 316 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) |
| | 317 | |
| | 318 | name = 'edns-no-do.lua.edns-self-disabled.tests.powerdns.com.' |
| | 319 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) |
| | 320 | expectedResponse = dns.message.make_response(query) |
| | 321 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) |
| | 322 | |
| | 323 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 324 | sender = getattr(self, method) |
| | 325 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 326 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) |
| | 327 | |
| | 328 | name = 'edns-no-do.spoof.edns-self-disabled.tests.powerdns.com.' |
| | 329 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) |
| | 330 | # dnsdist set RA = RD for spoofed responses |
| | 331 | query.flags &= ~dns.flags.RD |
| | 332 | expectedResponse = dns.message.make_response(query) |
| | 333 | expectedResponse.answer.append(dns.rrset.from_text(name, |
| | 334 | 60, |
| | 335 | dns.rdataclass.IN, |
| | 336 | dns.rdatatype.A, |
| | 337 | '192.0.2.1', '192.0.2.2')) |
| | 338 | |
| | 339 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| | 340 | sender = getattr(self, method) |
| | 341 | (_, receivedResponse) = sender(query, response=None, useQueue=False) |
| | 342 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) |
projects / thirdparty / pdns.git / blame_incremental