projects / thirdparty / pdns.git / blame
| Commit | Line | Data |
|---|---|---|
| ca404e94 | 1 | #!/usr/bin/env python |
| b1bec9f0 RG |
2 | import dns |
| 3 | import clientsubnetoption | |
| ff73f02b | 4 | import cookiesoption |
| ca404e94 | 5 | from dnsdisttests import DNSDistTest |
| d83feb68 | 6 | from datetime import datetime, timedelta |
| ca404e94 | 7 | |
| 5df86a8a | 8 | class TestEdnsClientSubnetNoOverride(DNSDistTest): |
| ca404e94 | 9 | """ |
| ec5f5c6b | 10 | dnsdist is configured to add the EDNS0 Client Subnet |
| ca404e94 RG |
11 | option, but only if it's not already present in the |
| 12 | original query. | |
| 13 | """ | |
| 14 | ||
| ca404e94 RG |
15 | _config_template = """ |
| 16 | truncateTC(true) | |
| ca404e94 RG |
17 | newServer{address="127.0.0.1:%s", useClientSubnet=true} |
| 18 | """ | |
| 19 | ||
| ca404e94 RG |
20 | def testWithoutEDNS(self): |
| 21 | """ | |
| 617dfe22 RG |
22 | ECS: No existing EDNS |
| 23 | ||
| ca404e94 RG |
24 | Send a query without EDNS, check that the query |
| 25 | received by the responder has the correct ECS value | |
| 26 | and that the response received from dnsdist does not | |
| 27 | have an EDNS pseudo-RR. | |
| 28 | """ | |
| 29 | name = 'withoutedns.ecs.tests.powerdns.com.' | |
| 30 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 31 | query = dns.message.make_query(name, 'A', 'IN') | |
| 32 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512) | |
| 33 | response = dns.message.make_response(expectedQuery) | |
| 34 | expectedResponse = dns.message.make_response(query) | |
| 35 | rrset = dns.rrset.from_text(name, | |
| 36 | 3600, | |
| 37 | dns.rdataclass.IN, | |
| 38 | dns.rdatatype.A, | |
| 39 | '127.0.0.1') | |
| 40 | response.answer.append(rrset) | |
| 41 | expectedResponse.answer.append(rrset) | |
| 42 | ||
| 6ca2e796 RG |
43 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 44 | sender = getattr(self, method) | |
| 45 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 46 | self.assertTrue(receivedQuery) | |
| 47 | self.assertTrue(receivedResponse) | |
| 48 | receivedQuery.id = expectedQuery.id | |
| 49 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 50 | self.checkResponseNoEDNS(expectedResponse, receivedResponse) | |
| ca404e94 RG |
51 | |
| 52 | def testWithEDNSNoECS(self): | |
| 53 | """ | |
| 617dfe22 RG |
54 | ECS: Existing EDNS without ECS |
| 55 | ||
| ca404e94 RG |
56 | Send a query with EDNS but no ECS value. |
| 57 | Check that the query received by the responder | |
| 58 | has a valid ECS value and that the response | |
| 59 | received from dnsdist contains an EDNS pseudo-RR. | |
| 60 | """ | |
| 61 | name = 'withednsnoecs.ecs.tests.powerdns.com.' | |
| 62 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 63 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096) | |
| 64 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[ecso]) | |
| 65 | response = dns.message.make_response(expectedQuery) | |
| 66 | expectedResponse = dns.message.make_response(query) | |
| 67 | rrset = dns.rrset.from_text(name, | |
| 68 | 3600, | |
| 69 | dns.rdataclass.IN, | |
| 70 | dns.rdatatype.A, | |
| 71 | '127.0.0.1') | |
| 72 | response.answer.append(rrset) | |
| 73 | expectedResponse.answer.append(rrset) | |
| 74 | ||
| 6ca2e796 RG |
75 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 76 | sender = getattr(self, method) | |
| 77 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 78 | self.assertTrue(receivedQuery) | |
| 79 | self.assertTrue(receivedResponse) | |
| 80 | receivedQuery.id = expectedQuery.id | |
| 81 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 82 | self.checkResponseEDNSWithoutECS(expectedResponse, receivedResponse) | |
| ca404e94 RG |
83 | |
| 84 | def testWithEDNSECS(self): | |
| 85 | """ | |
| 617dfe22 RG |
86 | ECS: Existing EDNS with ECS |
| 87 | ||
| ca404e94 RG |
88 | Send a query with EDNS and a crafted ECS value. |
| 89 | Check that the query received by the responder | |
| 90 | has the initial ECS value (not overwritten) | |
| 91 | and that the response received from dnsdist contains | |
| 92 | an EDNS pseudo-RR. | |
| 93 | """ | |
| 94 | name = 'withednsecs.ecs.tests.powerdns.com.' | |
| 95 | ecso = clientsubnetoption.ClientSubnetOption('1.2.3.4', 24) | |
| 96 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[ecso]) | |
| 97 | response = dns.message.make_response(query) | |
| 98 | rrset = dns.rrset.from_text(name, | |
| 99 | 3600, | |
| 100 | dns.rdataclass.IN, | |
| 101 | dns.rdatatype.A, | |
| 102 | '127.0.0.1') | |
| 103 | response.answer.append(rrset) | |
| 104 | ||
| ff0902ec | 105 | |
| 6ca2e796 RG |
106 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 107 | sender = getattr(self, method) | |
| 108 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 109 | self.assertTrue(receivedQuery) | |
| 110 | self.assertTrue(receivedResponse) | |
| 111 | receivedQuery.id = query.id | |
| 112 | self.checkQueryEDNSWithECS(query, receivedQuery) | |
| 113 | self.checkResponseEDNSWithoutECS(response, receivedResponse) | |
| ff73f02b RG |
114 | |
| 115 | def testWithoutEDNSResponseWithECS(self): | |
| 116 | """ | |
| 117 | ECS: No existing EDNS (BE returning ECS) | |
| 118 | ||
| 119 | Send a query without EDNS, check that the query | |
| 120 | received by the responder has the correct ECS value | |
| 121 | and that the response received from dnsdist does not | |
| 122 | have an EDNS pseudo-RR. | |
| 123 | This time the response returned by the backend contains | |
| 124 | an ECS option with scope set. | |
| 125 | """ | |
| 126 | name = 'withoutedns.bereturnsecs.ecs.tests.powerdns.com.' | |
| 127 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 128 | query = dns.message.make_query(name, 'A', 'IN') | |
| 129 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512) | |
| 130 | response = dns.message.make_response(expectedQuery) | |
| 131 | ecsoResponse = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24, scope=24) | |
| 132 | response.use_edns(edns=True, payload=4096, options=[ecsoResponse]) | |
| 133 | expectedResponse = dns.message.make_response(query) | |
| 134 | rrset = dns.rrset.from_text(name, | |
| 135 | 3600, | |
| 136 | dns.rdataclass.IN, | |
| 137 | dns.rdatatype.A, | |
| 138 | '127.0.0.1') | |
| 139 | response.answer.append(rrset) | |
| 140 | expectedResponse.answer.append(rrset) | |
| 141 | ||
| 6ca2e796 RG |
142 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 143 | sender = getattr(self, method) | |
| 144 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 145 | self.assertTrue(receivedQuery) | |
| 146 | self.assertTrue(receivedResponse) | |
| 147 | receivedQuery.id = expectedQuery.id | |
| 148 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 149 | self.checkResponseNoEDNS(expectedResponse, receivedResponse) | |
| ff73f02b RG |
150 | |
| 151 | def testWithEDNSNoECSResponseWithECS(self): | |
| 152 | """ | |
| 153 | ECS: Existing EDNS without ECS (BE returning only the ECS option) | |
| 154 | ||
| 155 | Send a query with EDNS but no ECS value. | |
| 156 | Check that the query received by the responder | |
| 157 | has a valid ECS value and that the response | |
| 158 | received from dnsdist contains an EDNS pseudo-RR. | |
| 159 | This time the response returned by the backend contains | |
| 160 | an ECS option with scope set. | |
| 161 | """ | |
| 162 | name = 'withednsnoecs.bereturnsecs.ecs.tests.powerdns.com.' | |
| 163 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 164 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096) | |
| 165 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[ecso]) | |
| 166 | response = dns.message.make_response(expectedQuery) | |
| 167 | ecsoResponse = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24, scope=24) | |
| 168 | response.use_edns(edns=True, payload=4096, options=[ecsoResponse]) | |
| d70d5ad3 | 169 | expectedResponse = dns.message.make_response(query, our_payload=4096) |
| ff73f02b RG |
170 | rrset = dns.rrset.from_text(name, |
| 171 | 3600, | |
| 172 | dns.rdataclass.IN, | |
| 173 | dns.rdatatype.A, | |
| 174 | '127.0.0.1') | |
| 175 | response.answer.append(rrset) | |
| 176 | expectedResponse.answer.append(rrset) | |
| 177 | ||
| 6ca2e796 RG |
178 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 179 | sender = getattr(self, method) | |
| 180 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 181 | self.assertTrue(receivedQuery) | |
| 182 | self.assertTrue(receivedResponse) | |
| 183 | receivedQuery.id = expectedQuery.id | |
| 184 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 185 | self.checkResponseEDNSWithoutECS(expectedResponse, receivedResponse) | |
| ff73f02b RG |
186 | |
| 187 | def testWithEDNSNoECSResponseWithCookiesThenECS(self): | |
| 188 | """ | |
| 189 | ECS: Existing EDNS without ECS (BE returning Cookies then ECS options) | |
| 190 | ||
| 191 | Send a query with EDNS but no ECS value. | |
| 192 | Check that the query received by the responder | |
| 193 | has a valid ECS value and that the response | |
| 194 | received from dnsdist contains an EDNS pseudo-RR. | |
| 195 | This time the response returned by the backend contains | |
| 196 | one cookies then one ECS option. | |
| 197 | """ | |
| 198 | name = 'withednsnoecs.bereturnscookiesthenecs.ecs.tests.powerdns.com.' | |
| 199 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 200 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096) | |
| 201 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[ecso]) | |
| 202 | response = dns.message.make_response(expectedQuery) | |
| b4f23783 | 203 | ecoResponse = cookiesoption.CookiesOption(b'deadbeef', b'deadbeef') |
| ff73f02b RG |
204 | ecsoResponse = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24, scope=24) |
| 205 | response.use_edns(edns=True, payload=4096, options=[ecoResponse, ecsoResponse]) | |
| 206 | expectedResponse = dns.message.make_response(query) | |
| be90d6bd | 207 | expectedResponse.use_edns(edns=True, payload=4096, options=[ecoResponse]) |
| ff73f02b RG |
208 | rrset = dns.rrset.from_text(name, |
| 209 | 3600, | |
| 210 | dns.rdataclass.IN, | |
| 211 | dns.rdatatype.A, | |
| 212 | '127.0.0.1') | |
| 213 | response.answer.append(rrset) | |
| 214 | expectedResponse.answer.append(rrset) | |
| ff0902ec | 215 | expectedResponse.use_edns(edns=True, payload=4096, options=[ecoResponse]) |
| ff73f02b | 216 | |
| 6ca2e796 RG |
217 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 218 | sender = getattr(self, method) | |
| 219 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 220 | self.assertTrue(receivedQuery) | |
| 221 | self.assertTrue(receivedResponse) | |
| 222 | receivedQuery.id = expectedQuery.id | |
| 223 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 224 | self.checkResponseEDNSWithoutECS(expectedResponse, receivedResponse, withCookies=1) | |
| ff73f02b RG |
225 | |
| 226 | def testWithEDNSNoECSResponseWithECSThenCookies(self): | |
| 227 | """ | |
| 228 | ECS: Existing EDNS without ECS (BE returning ECS then Cookies options) | |
| 229 | ||
| 230 | Send a query with EDNS but no ECS value. | |
| 231 | Check that the query received by the responder | |
| 232 | has a valid ECS value and that the response | |
| 233 | received from dnsdist contains an EDNS pseudo-RR. | |
| 234 | This time the response returned by the backend contains | |
| 235 | one ECS then one Cookies option. | |
| 236 | """ | |
| 237 | name = 'withednsnoecs.bereturnsecsthencookies.ecs.tests.powerdns.com.' | |
| 238 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 239 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096) | |
| 240 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[ecso]) | |
| 241 | response = dns.message.make_response(expectedQuery) | |
| b4f23783 | 242 | ecoResponse = cookiesoption.CookiesOption(b'deadbeef', b'deadbeef') |
| ff73f02b RG |
243 | ecsoResponse = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24, scope=24) |
| 244 | response.use_edns(edns=True, payload=4096, options=[ecsoResponse, ecoResponse]) | |
| d70d5ad3 | 245 | expectedResponse = dns.message.make_response(query, our_payload=4096) |
| be90d6bd | 246 | expectedResponse.use_edns(edns=True, payload=4096, options=[ecoResponse]) |
| ff73f02b RG |
247 | rrset = dns.rrset.from_text(name, |
| 248 | 3600, | |
| 249 | dns.rdataclass.IN, | |
| 250 | dns.rdatatype.A, | |
| 251 | '127.0.0.1') | |
| 252 | response.answer.append(rrset) | |
| 253 | expectedResponse.answer.append(rrset) | |
| ff0902ec | 254 | response.use_edns(edns=True, payload=4096, options=[ecoResponse]) |
| ff73f02b | 255 | |
| 6ca2e796 RG |
256 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 257 | sender = getattr(self, method) | |
| 258 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 259 | self.assertTrue(receivedQuery) | |
| 260 | self.assertTrue(receivedResponse) | |
| 261 | receivedQuery.id = expectedQuery.id | |
| 262 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 263 | self.checkResponseEDNSWithoutECS(expectedResponse, receivedResponse, withCookies=1) | |
| ff73f02b RG |
264 | |
| 265 | def testWithEDNSNoECSResponseWithCookiesThenECSThenCookies(self): | |
| 266 | """ | |
| 267 | ECS: Existing EDNS without ECS (BE returning Cookies, ECS then Cookies options) | |
| 268 | ||
| 269 | Send a query with EDNS but no ECS value. | |
| 270 | Check that the query received by the responder | |
| 271 | has a valid ECS value and that the response | |
| 272 | received from dnsdist contains an EDNS pseudo-RR. | |
| 273 | This time the response returned by the backend contains | |
| 274 | one Cookies, one ECS then one Cookies option. | |
| 275 | """ | |
| 276 | name = 'withednsnoecs.bereturnscookiesecscookies.ecs.tests.powerdns.com.' | |
| 277 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 278 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096) | |
| 279 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[ecso]) | |
| 280 | response = dns.message.make_response(expectedQuery) | |
| b4f23783 | 281 | ecoResponse = cookiesoption.CookiesOption(b'deadbeef', b'deadbeef') |
| ff73f02b RG |
282 | ecsoResponse = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24, scope=24) |
| 283 | response.use_edns(edns=True, payload=4096, options=[ecoResponse, ecsoResponse, ecoResponse]) | |
| d70d5ad3 | 284 | expectedResponse = dns.message.make_response(query, our_payload=4096) |
| be90d6bd | 285 | expectedResponse.use_edns(edns=True, payload=4096, options=[ecoResponse, ecoResponse]) |
| ff73f02b RG |
286 | rrset = dns.rrset.from_text(name, |
| 287 | 3600, | |
| 288 | dns.rdataclass.IN, | |
| 289 | dns.rdatatype.A, | |
| 290 | '127.0.0.1') | |
| 291 | response.answer.append(rrset) | |
| 292 | expectedResponse.answer.append(rrset) | |
| 293 | ||
| 6ca2e796 RG |
294 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 295 | sender = getattr(self, method) | |
| 296 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 297 | self.assertTrue(receivedQuery) | |
| 298 | self.assertTrue(receivedResponse) | |
| 299 | receivedQuery.id = expectedQuery.id | |
| 300 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 301 | self.checkResponseEDNSWithoutECS(expectedResponse, receivedResponse, withCookies=2) | |
| ca404e94 | 302 | |
| 5df86a8a | 303 | class TestEdnsClientSubnetOverride(DNSDistTest): |
| ca404e94 | 304 | """ |
| ec5f5c6b | 305 | dnsdist is configured to add the EDNS0 Client Subnet |
| ca404e94 RG |
306 | option, overwriting any existing value. |
| 307 | """ | |
| 308 | ||
| ca404e94 RG |
309 | _config_template = """ |
| 310 | truncateTC(true) | |
| ca404e94 RG |
311 | setECSOverride(true) |
| 312 | setECSSourcePrefixV4(24) | |
| 313 | setECSSourcePrefixV6(56) | |
| 314 | newServer{address="127.0.0.1:%s", useClientSubnet=true} | |
| 315 | """ | |
| 316 | ||
| ca404e94 RG |
317 | def testWithoutEDNS(self): |
| 318 | """ | |
| 617dfe22 RG |
319 | ECS Override: No existing EDNS |
| 320 | ||
| ca404e94 RG |
321 | Send a query without EDNS, check that the query |
| 322 | received by the responder has the correct ECS value | |
| 323 | and that the response received from dnsdist does not | |
| 324 | have an EDNS pseudo-RR. | |
| 325 | """ | |
| ff0902ec | 326 | name = 'withoutedns.overridden.ecs.tests.powerdns.com.' |
| ca404e94 RG |
327 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) |
| 328 | query = dns.message.make_query(name, 'A', 'IN') | |
| 329 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512) | |
| 330 | response = dns.message.make_response(expectedQuery) | |
| ff0902ec | 331 | response.use_edns(edns=True, payload=4096, options=[ecso]) |
| ca404e94 RG |
332 | rrset = dns.rrset.from_text(name, |
| 333 | 3600, | |
| 334 | dns.rdataclass.IN, | |
| 335 | dns.rdatatype.A, | |
| 336 | '127.0.0.1') | |
| 337 | response.answer.append(rrset) | |
| ff0902ec | 338 | expectedResponse = dns.message.make_response(query) |
| ca404e94 RG |
339 | expectedResponse.answer.append(rrset) |
| 340 | ||
| 6ca2e796 RG |
341 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 342 | sender = getattr(self, method) | |
| 343 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 344 | self.assertTrue(receivedQuery) | |
| 345 | self.assertTrue(receivedResponse) | |
| 346 | receivedQuery.id = expectedQuery.id | |
| 347 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 348 | self.checkResponseNoEDNS(expectedResponse, receivedResponse) | |
| ca404e94 RG |
349 | |
| 350 | def testWithEDNSNoECS(self): | |
| 351 | """ | |
| 617dfe22 RG |
352 | ECS Override: Existing EDNS without ECS |
| 353 | ||
| ca404e94 RG |
354 | Send a query with EDNS but no ECS value. |
| 355 | Check that the query received by the responder | |
| 356 | has a valid ECS value and that the response | |
| 357 | received from dnsdist contains an EDNS pseudo-RR. | |
| 358 | """ | |
| ff0902ec | 359 | name = 'withednsnoecs.overridden.ecs.tests.powerdns.com.' |
| ca404e94 RG |
360 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) |
| 361 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096) | |
| 362 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[ecso]) | |
| 363 | response = dns.message.make_response(expectedQuery) | |
| ff0902ec | 364 | response.use_edns(edns=True, payload=4096, options=[ecso]) |
| ca404e94 RG |
365 | rrset = dns.rrset.from_text(name, |
| 366 | 3600, | |
| 367 | dns.rdataclass.IN, | |
| 368 | dns.rdatatype.A, | |
| 369 | '127.0.0.1') | |
| 370 | response.answer.append(rrset) | |
| d70d5ad3 | 371 | expectedResponse = dns.message.make_response(query, our_payload=4096) |
| ca404e94 RG |
372 | expectedResponse.answer.append(rrset) |
| 373 | ||
| 6ca2e796 RG |
374 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 375 | sender = getattr(self, method) | |
| 376 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 377 | self.assertTrue(receivedQuery) | |
| 378 | self.assertTrue(receivedResponse) | |
| 379 | receivedQuery.id = expectedQuery.id | |
| 380 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 381 | self.checkResponseEDNSWithoutECS(expectedResponse, receivedResponse) | |
| ca404e94 | 382 | |
| 7b146b98 | 383 | def testWithEDNSShorterInitialECS(self): |
| ca404e94 | 384 | """ |
| 617dfe22 RG |
385 | ECS Override: Existing EDNS with ECS (short) |
| 386 | ||
| ca404e94 RG |
387 | Send a query with EDNS and a crafted ECS value. |
| 388 | Check that the query received by the responder | |
| 389 | has an overwritten ECS value (not the initial one) | |
| 390 | and that the response received from dnsdist contains | |
| 391 | an EDNS pseudo-RR. | |
| ff0902ec | 392 | The initial ECS value is shorter than the one it will be |
| 7b146b98 | 393 | replaced with. |
| ca404e94 | 394 | """ |
| ff0902ec | 395 | name = 'withednsecs.overridden.ecs.tests.powerdns.com.' |
| 7b146b98 RG |
396 | ecso = clientsubnetoption.ClientSubnetOption('192.0.2.1', 8) |
| 397 | rewrittenEcso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 398 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[ecso]) | |
| 399 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[rewrittenEcso]) | |
| 400 | response = dns.message.make_response(query) | |
| ff0902ec | 401 | response.use_edns(edns=True, payload=4096, options=[rewrittenEcso]) |
| 7b146b98 RG |
402 | rrset = dns.rrset.from_text(name, |
| 403 | 3600, | |
| 404 | dns.rdataclass.IN, | |
| 405 | dns.rdatatype.A, | |
| 406 | '127.0.0.1') | |
| 407 | response.answer.append(rrset) | |
| 408 | ||
| 6ca2e796 RG |
409 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 410 | sender = getattr(self, method) | |
| 411 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 412 | self.assertTrue(receivedQuery) | |
| 413 | self.assertTrue(receivedResponse) | |
| 414 | receivedQuery.id = expectedQuery.id | |
| 415 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 416 | self.checkResponseEDNSWithECS(response, receivedResponse) | |
| 7b146b98 RG |
417 | |
| 418 | def testWithEDNSLongerInitialECS(self): | |
| 419 | """ | |
| 617dfe22 RG |
420 | ECS Override: Existing EDNS with ECS (long) |
| 421 | ||
| 7b146b98 RG |
422 | Send a query with EDNS and a crafted ECS value. |
| 423 | Check that the query received by the responder | |
| 424 | has an overwritten ECS value (not the initial one) | |
| 425 | and that the response received from dnsdist contains | |
| 426 | an EDNS pseudo-RR. | |
| 427 | The initial ECS value is longer than the one it will | |
| 428 | replaced with. | |
| 429 | """ | |
| ff0902ec | 430 | name = 'withednsecs.overridden.ecs.tests.powerdns.com.' |
| 7b146b98 RG |
431 | ecso = clientsubnetoption.ClientSubnetOption('192.0.2.1', 32) |
| 432 | rewrittenEcso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 433 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[ecso]) | |
| 434 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[rewrittenEcso]) | |
| 435 | response = dns.message.make_response(query) | |
| ff0902ec | 436 | response.use_edns(edns=True, payload=4096, options=[rewrittenEcso]) |
| 7b146b98 RG |
437 | rrset = dns.rrset.from_text(name, |
| 438 | 3600, | |
| 439 | dns.rdataclass.IN, | |
| 440 | dns.rdatatype.A, | |
| 441 | '127.0.0.1') | |
| 442 | response.answer.append(rrset) | |
| 443 | ||
| 6ca2e796 RG |
444 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 445 | sender = getattr(self, method) | |
| 446 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 447 | self.assertTrue(receivedQuery) | |
| 448 | self.assertTrue(receivedResponse) | |
| 449 | receivedQuery.id = expectedQuery.id | |
| 450 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 451 | self.checkResponseEDNSWithECS(response, receivedResponse) | |
| 7b146b98 RG |
452 | |
| 453 | def testWithEDNSSameSizeInitialECS(self): | |
| 454 | """ | |
| 617dfe22 RG |
455 | ECS Override: Existing EDNS with ECS (same) |
| 456 | ||
| 7b146b98 RG |
457 | Send a query with EDNS and a crafted ECS value. |
| 458 | Check that the query received by the responder | |
| 459 | has an overwritten ECS value (not the initial one) | |
| 460 | and that the response received from dnsdist contains | |
| 461 | an EDNS pseudo-RR. | |
| 462 | The initial ECS value is exactly the same size as | |
| 463 | the one it will replaced with. | |
| 464 | """ | |
| ff0902ec RG |
465 | name = 'withednsecs.overridden.ecs.tests.powerdns.com.' |
| 466 | ecso = clientsubnetoption.ClientSubnetOption('192.0.2.1', 24) | |
| 467 | rewrittenEcso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 468 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[ecso]) | |
| 469 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[rewrittenEcso]) | |
| 470 | response = dns.message.make_response(query) | |
| 471 | response.use_edns(edns=True, payload=4096, options=[rewrittenEcso]) | |
| 472 | rrset = dns.rrset.from_text(name, | |
| 473 | 3600, | |
| 474 | dns.rdataclass.IN, | |
| 475 | dns.rdatatype.A, | |
| 476 | '127.0.0.1') | |
| 477 | response.answer.append(rrset) | |
| 478 | ||
| 6ca2e796 RG |
479 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 480 | sender = getattr(self, method) | |
| 481 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 482 | self.assertTrue(receivedQuery) | |
| 483 | self.assertTrue(receivedResponse) | |
| 484 | receivedQuery.id = expectedQuery.id | |
| 485 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 486 | self.checkResponseEDNSWithECS(response, receivedResponse) | |
| ff0902ec | 487 | |
| be90d6bd RG |
488 | def testWithECSFollowedByAnother(self): |
| 489 | """ | |
| 490 | ECS: Existing EDNS with ECS, followed by another record | |
| 491 | ||
| 492 | Send a query with EDNS and an existing ECS value. | |
| 493 | The OPT record is not the last one in the query | |
| 494 | and is followed by another one. | |
| 495 | Check that the query received by the responder | |
| 496 | has a valid ECS value and that the response | |
| 497 | received from dnsdist contains an EDNS pseudo-RR. | |
| 498 | """ | |
| 499 | name = 'withecs-followedbyanother.ecs.tests.powerdns.com.' | |
| 500 | ecso = clientsubnetoption.ClientSubnetOption('192.0.2.1', 24) | |
| 501 | eco = cookiesoption.CookiesOption(b'deadbeef', b'deadbeef') | |
| 502 | rewrittenEcso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 503 | rrset = dns.rrset.from_text(name, | |
| 504 | 3600, | |
| 505 | dns.rdataclass.IN, | |
| 506 | dns.rdatatype.A, | |
| 507 | '127.0.0.1') | |
| 508 | ||
| 509 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[eco,ecso,eco]) | |
| 510 | # I would have loved to use a TSIG here but I can't find how to make dnspython ignore | |
| 511 | # it while parsing the message in the receiver :-/ | |
| 512 | query.additional.append(rrset) | |
| 513 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[eco,eco,rewrittenEcso]) | |
| 514 | expectedQuery.additional.append(rrset) | |
| 515 | ||
| 516 | response = dns.message.make_response(expectedQuery) | |
| 517 | response.use_edns(edns=True, payload=4096, options=[eco, ecso, eco]) | |
| 518 | expectedResponse = dns.message.make_response(query) | |
| 519 | expectedResponse.use_edns(edns=True, payload=4096, options=[eco, ecso, eco]) | |
| 520 | response.answer.append(rrset) | |
| 521 | response.additional.append(rrset) | |
| 522 | expectedResponse.answer.append(rrset) | |
| f8a01c44 RG |
523 | expectedResponse.additional.append(rrset) |
| 524 | ||
| 525 | for method in ("sendUDPQuery", "sendTCPQuery"): | |
| 526 | sender = getattr(self, method) | |
| 527 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 528 | self.assertTrue(receivedQuery) | |
| 529 | self.assertTrue(receivedResponse) | |
| 530 | receivedQuery.id = expectedQuery.id | |
| 531 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery, 2) | |
| 532 | self.checkResponseEDNSWithECS(expectedResponse, receivedResponse, 2) | |
| 533 | ||
| 534 | def testWithAnswerThenECS(self): | |
| 535 | """ | |
| 536 | ECS: Record in answer followed by an existing EDNS with ECS | |
| 537 | ||
| 538 | Send a query with a record in the answer section, EDNS and an existing ECS value. | |
| 539 | Check that the query received by the responder | |
| 540 | has a valid ECS value and that the response | |
| 541 | received from dnsdist contains an EDNS pseudo-RR. | |
| 542 | """ | |
| 543 | name = 'record-in-an-withecs.ecs.tests.powerdns.com.' | |
| 544 | ecso = clientsubnetoption.ClientSubnetOption('192.0.2.1', 24) | |
| 545 | eco = cookiesoption.CookiesOption(b'deadbeef', b'deadbeef') | |
| 546 | rewrittenEcso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 547 | rrset = dns.rrset.from_text(name, | |
| 548 | 3600, | |
| 549 | dns.rdataclass.IN, | |
| 550 | dns.rdatatype.A, | |
| 551 | '127.0.0.1') | |
| 552 | ||
| 553 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[eco,ecso,eco]) | |
| 554 | query.answer.append(rrset) | |
| 555 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[eco,eco,rewrittenEcso]) | |
| 556 | expectedQuery.answer.append(rrset) | |
| 557 | ||
| 558 | response = dns.message.make_response(expectedQuery) | |
| 559 | response.use_edns(edns=True, payload=4096, options=[eco, ecso, eco]) | |
| 560 | expectedResponse = dns.message.make_response(query) | |
| 561 | expectedResponse.use_edns(edns=True, payload=4096, options=[eco, ecso, eco]) | |
| 562 | response.answer.append(rrset) | |
| 563 | response.additional.append(rrset) | |
| 564 | expectedResponse.answer.append(rrset) | |
| 565 | expectedResponse.additional.append(rrset) | |
| 566 | ||
| 567 | for method in ("sendUDPQuery", "sendTCPQuery"): | |
| 568 | sender = getattr(self, method) | |
| 569 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 570 | self.assertTrue(receivedQuery) | |
| 571 | self.assertTrue(receivedResponse) | |
| 572 | receivedQuery.id = expectedQuery.id | |
| 573 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery, 2) | |
| 574 | self.checkResponseEDNSWithECS(expectedResponse, receivedResponse, 2) | |
| 575 | ||
| 576 | def testWithAuthThenECS(self): | |
| 577 | """ | |
| 578 | ECS: Record in authority followed by an existing EDNS with ECS | |
| 579 | ||
| 580 | Send a query with a record in the authority section, EDNS and an existing ECS value. | |
| 581 | Check that the query received by the responder | |
| 582 | has a valid ECS value and that the response | |
| 583 | received from dnsdist contains an EDNS pseudo-RR. | |
| 584 | """ | |
| 585 | name = 'record-in-an-withecs.ecs.tests.powerdns.com.' | |
| 586 | ecso = clientsubnetoption.ClientSubnetOption('192.0.2.1', 24) | |
| 587 | eco = cookiesoption.CookiesOption(b'deadbeef', b'deadbeef') | |
| 588 | rewrittenEcso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 589 | rrset = dns.rrset.from_text(name, | |
| 590 | 3600, | |
| 591 | dns.rdataclass.IN, | |
| 592 | dns.rdatatype.A, | |
| 593 | '127.0.0.1') | |
| 594 | ||
| 595 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[eco,ecso,eco]) | |
| 596 | query.authority.append(rrset) | |
| 597 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[eco,eco,rewrittenEcso]) | |
| 598 | expectedQuery.authority.append(rrset) | |
| 599 | ||
| 600 | response = dns.message.make_response(expectedQuery) | |
| 601 | response.use_edns(edns=True, payload=4096, options=[eco, ecso, eco]) | |
| 602 | expectedResponse = dns.message.make_response(query) | |
| 603 | expectedResponse.use_edns(edns=True, payload=4096, options=[eco, ecso, eco]) | |
| 604 | response.answer.append(rrset) | |
| 605 | response.additional.append(rrset) | |
| 606 | expectedResponse.answer.append(rrset) | |
| be90d6bd RG |
607 | expectedResponse.additional.append(rrset) |
| 608 | ||
| 609 | for method in ("sendUDPQuery", "sendTCPQuery"): | |
| 610 | sender = getattr(self, method) | |
| 611 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 612 | self.assertTrue(receivedQuery) | |
| 613 | self.assertTrue(receivedResponse) | |
| 614 | receivedQuery.id = expectedQuery.id | |
| 615 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery, 2) | |
| 616 | self.checkResponseEDNSWithECS(expectedResponse, receivedResponse, 2) | |
| 617 | ||
| 618 | def testWithEDNSNoECSFollowedByAnother(self): | |
| 619 | """ | |
| 620 | ECS: Existing EDNS without ECS, followed by another record | |
| 621 | ||
| 622 | Send a query with EDNS but no ECS value. | |
| 623 | The OPT record is not the last one in the query | |
| 624 | and is followed by another one. | |
| 625 | Check that the query received by the responder | |
| 626 | has a valid ECS value and that the response | |
| 627 | received from dnsdist contains an EDNS pseudo-RR. | |
| 628 | """ | |
| 629 | name = 'withedns-no-ecs-followedbyanother.ecs.tests.powerdns.com.' | |
| 630 | eco = cookiesoption.CookiesOption(b'deadbeef', b'deadbeef') | |
| 631 | rewrittenEcso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 632 | rrset = dns.rrset.from_text(name, | |
| 633 | 3600, | |
| 634 | dns.rdataclass.IN, | |
| 635 | dns.rdatatype.A, | |
| 636 | '127.0.0.1') | |
| 637 | ||
| 638 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[eco]) | |
| 639 | # I would have loved to use a TSIG here but I can't find how to make dnspython ignore | |
| 640 | # it while parsing the message in the receiver :-/ | |
| 641 | query.additional.append(rrset) | |
| 642 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[eco,rewrittenEcso]) | |
| 643 | expectedQuery.additional.append(rrset) | |
| 644 | ||
| 645 | response = dns.message.make_response(expectedQuery) | |
| 646 | response.use_edns(edns=True, payload=4096, options=[eco, rewrittenEcso, eco]) | |
| 647 | expectedResponse = dns.message.make_response(query) | |
| 648 | expectedResponse.use_edns(edns=True, payload=4096, options=[eco, eco]) | |
| 649 | response.answer.append(rrset) | |
| 650 | response.additional.append(rrset) | |
| 651 | expectedResponse.answer.append(rrset) | |
| 652 | expectedResponse.additional.append(rrset) | |
| 653 | ||
| 654 | for method in ("sendUDPQuery", "sendTCPQuery"): | |
| 655 | sender = getattr(self, method) | |
| 656 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 657 | self.assertTrue(receivedQuery) | |
| 658 | self.assertTrue(receivedResponse) | |
| 659 | receivedQuery.id = expectedQuery.id | |
| 660 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery, 1) | |
| 661 | self.checkResponseEDNSWithoutECS(expectedResponse, receivedResponse, 2) | |
| 662 | ||
| 5df86a8a | 663 | class TestECSDisabledByRuleOrLua(DNSDistTest): |
| ff0902ec RG |
664 | """ |
| 665 | dnsdist is configured to add the EDNS0 Client Subnet | |
| 666 | option, but we disable it via DisableECSAction() | |
| 667 | or Lua. | |
| 668 | """ | |
| 669 | ||
| 670 | _config_template = """ | |
| 671 | setECSOverride(false) | |
| 672 | setECSSourcePrefixV4(16) | |
| 673 | setECSSourcePrefixV6(16) | |
| 674 | newServer{address="127.0.0.1:%s", useClientSubnet=true} | |
| 675 | addAction(makeRule("disabled.ecsrules.tests.powerdns.com."), DisableECSAction()) | |
| 676 | function disableECSViaLua(dq) | |
| 677 | dq.useECS = false | |
| 678 | return DNSAction.None, "" | |
| 679 | end | |
| a2ff35e3 | 680 | addAction("disabledvialua.ecsrules.tests.powerdns.com.", LuaAction(disableECSViaLua)) |
| ff0902ec RG |
681 | """ |
| 682 | ||
| 683 | def testWithECSNotDisabled(self): | |
| 684 | """ | |
| 685 | ECS Disable: ECS enabled in the backend | |
| 686 | """ | |
| 687 | name = 'notdisabled.ecsrules.tests.powerdns.com.' | |
| 688 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 16) | |
| 689 | query = dns.message.make_query(name, 'A', 'IN') | |
| 690 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512) | |
| 691 | response = dns.message.make_response(expectedQuery) | |
| 692 | expectedResponse = dns.message.make_response(query) | |
| 693 | rrset = dns.rrset.from_text(name, | |
| 694 | 3600, | |
| 695 | dns.rdataclass.IN, | |
| 696 | dns.rdatatype.AAAA, | |
| 697 | '::1') | |
| 698 | response.answer.append(rrset) | |
| 699 | expectedResponse.answer.append(rrset) | |
| 700 | ||
| 6ca2e796 RG |
701 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 702 | sender = getattr(self, method) | |
| 703 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 704 | self.assertTrue(receivedQuery) | |
| 705 | self.assertTrue(receivedResponse) | |
| 706 | receivedQuery.id = expectedQuery.id | |
| 707 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 708 | self.checkResponseNoEDNS(expectedResponse, receivedResponse) | |
| ff0902ec RG |
709 | |
| 710 | def testWithECSDisabledViaRule(self): | |
| 711 | """ | |
| 712 | ECS Disable: ECS enabled in the backend, but disabled by a rule | |
| 713 | """ | |
| 714 | name = 'disabled.ecsrules.tests.powerdns.com.' | |
| 715 | query = dns.message.make_query(name, 'A', 'IN') | |
| 716 | response = dns.message.make_response(query) | |
| 717 | rrset = dns.rrset.from_text(name, | |
| 718 | 3600, | |
| 719 | dns.rdataclass.IN, | |
| 720 | dns.rdatatype.A, | |
| 721 | '127.0.0.1') | |
| 722 | response.answer.append(rrset) | |
| 723 | ||
| 6ca2e796 RG |
724 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 725 | sender = getattr(self, method) | |
| 726 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 727 | self.assertTrue(receivedQuery) | |
| 728 | self.assertTrue(receivedResponse) | |
| 729 | receivedQuery.id = query.id | |
| 730 | self.checkQueryNoEDNS(query, receivedQuery) | |
| 731 | self.checkResponseNoEDNS(response, receivedResponse) | |
| ff0902ec RG |
732 | |
| 733 | def testWithECSDisabledViaLua(self): | |
| 734 | """ | |
| 735 | ECS Disable: ECS enabled in the backend, but disabled via Lua | |
| 736 | """ | |
| 737 | name = 'disabledvialua.ecsrules.tests.powerdns.com.' | |
| 738 | query = dns.message.make_query(name, 'A', 'IN') | |
| 739 | response = dns.message.make_response(query) | |
| 740 | rrset = dns.rrset.from_text(name, | |
| 741 | 3600, | |
| 742 | dns.rdataclass.IN, | |
| 743 | dns.rdatatype.A, | |
| 744 | '127.0.0.1') | |
| 745 | response.answer.append(rrset) | |
| 746 | ||
| 6ca2e796 RG |
747 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 748 | sender = getattr(self, method) | |
| 749 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 750 | self.assertTrue(receivedQuery) | |
| 751 | self.assertTrue(receivedResponse) | |
| 752 | receivedQuery.id = query.id | |
| 753 | self.checkQueryNoEDNS(query, receivedQuery) | |
| 754 | self.checkResponseNoEDNS(response, receivedResponse) | |
| ff0902ec | 755 | |
| 5df86a8a | 756 | class TestECSOverrideSetByRuleOrLua(DNSDistTest): |
| ff0902ec RG |
757 | """ |
| 758 | dnsdist is configured to set the EDNS0 Client Subnet | |
| 759 | option without overriding an existing one, but we | |
| 760 | force the overriding via ECSOverrideAction() or Lua. | |
| 761 | """ | |
| 762 | ||
| 763 | _config_template = """ | |
| 764 | setECSOverride(false) | |
| 765 | setECSSourcePrefixV4(24) | |
| 766 | setECSSourcePrefixV6(56) | |
| 767 | newServer{address="127.0.0.1:%s", useClientSubnet=true} | |
| 768 | addAction(makeRule("overridden.ecsrules.tests.powerdns.com."), ECSOverrideAction(true)) | |
| 769 | function overrideECSViaLua(dq) | |
| 770 | dq.ecsOverride = true | |
| 771 | return DNSAction.None, "" | |
| 772 | end | |
| a2ff35e3 | 773 | addAction("overriddenvialua.ecsrules.tests.powerdns.com.", LuaAction(overrideECSViaLua)) |
| ff0902ec RG |
774 | """ |
| 775 | ||
| 776 | def testWithECSOverrideNotSet(self): | |
| 777 | """ | |
| 778 | ECS Override: not set via Lua or a rule | |
| 779 | """ | |
| 780 | name = 'notoverridden.ecsrules.tests.powerdns.com.' | |
| 781 | ecso = clientsubnetoption.ClientSubnetOption('192.0.2.1', 24) | |
| 782 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[ecso]) | |
| 783 | response = dns.message.make_response(query) | |
| 784 | response.use_edns(edns=True, payload=4096, options=[ecso]) | |
| 785 | rrset = dns.rrset.from_text(name, | |
| 786 | 3600, | |
| 787 | dns.rdataclass.IN, | |
| 788 | dns.rdatatype.A, | |
| 789 | '127.0.0.1') | |
| 790 | response.answer.append(rrset) | |
| 791 | ||
| 6ca2e796 RG |
792 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 793 | sender = getattr(self, method) | |
| 794 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 795 | self.assertTrue(receivedQuery) | |
| 796 | self.assertTrue(receivedResponse) | |
| 797 | receivedQuery.id = query.id | |
| 798 | self.checkQueryEDNSWithECS(query, receivedQuery) | |
| 799 | self.checkResponseEDNSWithECS(response, receivedResponse) | |
| ff0902ec RG |
800 | |
| 801 | def testWithECSOverrideSetViaRule(self): | |
| 802 | """ | |
| 803 | ECS Override: set with a rule | |
| 804 | """ | |
| 805 | name = 'overridden.ecsrules.tests.powerdns.com.' | |
| 806 | ecso = clientsubnetoption.ClientSubnetOption('192.0.2.1', 24) | |
| 807 | rewrittenEcso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 808 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[ecso]) | |
| 809 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[rewrittenEcso]) | |
| 810 | response = dns.message.make_response(query) | |
| 811 | response.use_edns(edns=True, payload=4096, options=[rewrittenEcso]) | |
| 812 | rrset = dns.rrset.from_text(name, | |
| 813 | 3600, | |
| 814 | dns.rdataclass.IN, | |
| 815 | dns.rdatatype.A, | |
| 816 | '127.0.0.1') | |
| 817 | response.answer.append(rrset) | |
| 818 | ||
| 6ca2e796 RG |
819 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 820 | sender = getattr(self, method) | |
| 821 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 822 | self.assertTrue(receivedQuery) | |
| 823 | self.assertTrue(receivedResponse) | |
| 824 | receivedQuery.id = expectedQuery.id | |
| 825 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 826 | self.checkResponseEDNSWithECS(response, receivedResponse) | |
| ff0902ec RG |
827 | |
| 828 | def testWithECSOverrideSetViaLua(self): | |
| 829 | """ | |
| 830 | ECS Override: set via Lua | |
| 831 | """ | |
| 832 | name = 'overriddenvialua.ecsrules.tests.powerdns.com.' | |
| 7b146b98 | 833 | ecso = clientsubnetoption.ClientSubnetOption('192.0.2.1', 24) |
| ca404e94 RG |
834 | rewrittenEcso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) |
| 835 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[ecso]) | |
| 836 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, options=[rewrittenEcso]) | |
| 837 | response = dns.message.make_response(query) | |
| ff0902ec | 838 | response.use_edns(edns=True, payload=4096, options=[rewrittenEcso]) |
| ca404e94 RG |
839 | rrset = dns.rrset.from_text(name, |
| 840 | 3600, | |
| 841 | dns.rdataclass.IN, | |
| 842 | dns.rdatatype.A, | |
| 843 | '127.0.0.1') | |
| 844 | response.answer.append(rrset) | |
| 845 | ||
| 6ca2e796 RG |
846 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 847 | sender = getattr(self, method) | |
| 848 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 849 | self.assertTrue(receivedQuery) | |
| 850 | self.assertTrue(receivedResponse) | |
| 851 | receivedQuery.id = expectedQuery.id | |
| 852 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 853 | self.checkResponseEDNSWithECS(response, receivedResponse) | |
| ff0902ec | 854 | |
| 5df86a8a | 855 | class TestECSPrefixLengthSetByRuleOrLua(DNSDistTest): |
| ff0902ec RG |
856 | """ |
| 857 | dnsdist is configured to set the EDNS0 Client Subnet | |
| 858 | option with a prefix length of 24 for IPv4 and 56 for IPv6, | |
| 859 | but we override that to 32 and 128 via ECSPrefixLengthAction() or Lua. | |
| 860 | """ | |
| 861 | ||
| 862 | _config_template = """ | |
| 863 | setECSOverride(false) | |
| 864 | setECSSourcePrefixV4(24) | |
| 865 | setECSSourcePrefixV6(56) | |
| 866 | newServer{address="127.0.0.1:%s", useClientSubnet=true} | |
| 867 | addAction(makeRule("overriddenprefixlength.ecsrules.tests.powerdns.com."), ECSPrefixLengthAction(32, 128)) | |
| 868 | function overrideECSPrefixLengthViaLua(dq) | |
| 869 | dq.ecsPrefixLength = 32 | |
| 870 | return DNSAction.None, "" | |
| 871 | end | |
| a2ff35e3 | 872 | addAction("overriddenprefixlengthvialua.ecsrules.tests.powerdns.com.", LuaAction(overrideECSPrefixLengthViaLua)) |
| ff0902ec RG |
873 | """ |
| 874 | ||
| 875 | def testWithECSPrefixLengthNotOverridden(self): | |
| 876 | """ | |
| 877 | ECS Prefix Length: not overridden via Lua or a rule | |
| 878 | """ | |
| 879 | name = 'notoverriddenprefixlength.ecsrules.tests.powerdns.com.' | |
| 880 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
| 881 | query = dns.message.make_query(name, 'A', 'IN') | |
| 882 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512) | |
| 883 | response = dns.message.make_response(query) | |
| 884 | response.use_edns(edns=True, payload=4096, options=[ecso]) | |
| 885 | rrset = dns.rrset.from_text(name, | |
| 886 | 3600, | |
| 887 | dns.rdataclass.IN, | |
| 888 | dns.rdatatype.A, | |
| 889 | '127.0.0.1') | |
| 890 | response.answer.append(rrset) | |
| 891 | expectedResponse = dns.message.make_response(query) | |
| 892 | expectedResponse.answer.append(rrset) | |
| 893 | ||
| 6ca2e796 RG |
894 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 895 | sender = getattr(self, method) | |
| 896 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 897 | self.assertTrue(receivedQuery) | |
| 898 | self.assertTrue(receivedResponse) | |
| 899 | receivedQuery.id = expectedQuery.id | |
| 900 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 901 | self.checkResponseNoEDNS(expectedResponse, receivedResponse) | |
| ff0902ec RG |
902 | |
| 903 | def testWithECSPrefixLengthOverriddenViaRule(self): | |
| 904 | """ | |
| 905 | ECS Prefix Length: overridden with a rule | |
| 906 | """ | |
| 907 | name = 'overriddenprefixlength.ecsrules.tests.powerdns.com.' | |
| 908 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 32) | |
| 909 | query = dns.message.make_query(name, 'A', 'IN') | |
| 910 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512) | |
| 911 | response = dns.message.make_response(expectedQuery) | |
| 912 | rrset = dns.rrset.from_text(name, | |
| 913 | 3600, | |
| 914 | dns.rdataclass.IN, | |
| 915 | dns.rdatatype.A, | |
| 916 | '127.0.0.1') | |
| 917 | response.answer.append(rrset) | |
| 918 | expectedResponse = dns.message.make_response(query) | |
| 919 | expectedResponse.answer.append(rrset) | |
| 920 | ||
| 6ca2e796 RG |
921 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 922 | sender = getattr(self, method) | |
| 923 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 924 | self.assertTrue(receivedQuery) | |
| 925 | self.assertTrue(receivedResponse) | |
| 926 | receivedQuery.id = expectedQuery.id | |
| 927 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 928 | self.checkResponseNoEDNS(expectedResponse, receivedResponse) | |
| ff0902ec RG |
929 | |
| 930 | def testWithECSPrefixLengthOverriddenViaLua(self): | |
| 931 | """ | |
| 932 | ECS Prefix Length: overridden via Lua | |
| 933 | """ | |
| 934 | name = 'overriddenprefixlengthvialua.ecsrules.tests.powerdns.com.' | |
| 935 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 32) | |
| 936 | query = dns.message.make_query(name, 'A', 'IN') | |
| 937 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512) | |
| 938 | response = dns.message.make_response(expectedQuery) | |
| bd14f087 RG |
939 | rrset = dns.rrset.from_text(name, |
| 940 | 3600, | |
| 941 | dns.rdataclass.IN, | |
| 942 | dns.rdatatype.A, | |
| 943 | '127.0.0.1') | |
| 944 | response.answer.append(rrset) | |
| 945 | expectedResponse = dns.message.make_response(query) | |
| 946 | expectedResponse.answer.append(rrset) | |
| 947 | ||
| 6ca2e796 RG |
948 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 949 | sender = getattr(self, method) | |
| 950 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 951 | self.assertTrue(receivedQuery) | |
| 952 | self.assertTrue(receivedResponse) | |
| 953 | receivedQuery.id = expectedQuery.id | |
| 954 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 955 | self.checkResponseNoEDNS(expectedResponse, receivedResponse) | |
| bd14f087 RG |
956 | |
| 957 | class TestECSPrefixSetByRule(DNSDistTest): | |
| 958 | """ | |
| 959 | dnsdist is configured to set the EDNS0 Client Subnet | |
| 960 | option for incoming queries to the actual source IP, | |
| 961 | but we override it for some queries via SetECSAction(). | |
| 962 | """ | |
| 963 | ||
| 964 | _config_template = """ | |
| 965 | setECSOverride(false) | |
| 966 | setECSSourcePrefixV4(32) | |
| 967 | setECSSourcePrefixV6(128) | |
| 968 | newServer{address="127.0.0.1:%s", useClientSubnet=true} | |
| 969 | addAction(makeRule("setecsaction.ecsrules.tests.powerdns.com."), SetECSAction("192.0.2.1/32")) | |
| 970 | """ | |
| 971 | ||
| 972 | def testWithRegularECS(self): | |
| 973 | """ | |
| 974 | ECS Prefix: not set | |
| 975 | """ | |
| 976 | name = 'notsetecsaction.ecsrules.tests.powerdns.com.' | |
| 977 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 32) | |
| 978 | query = dns.message.make_query(name, 'A', 'IN') | |
| 979 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512) | |
| 980 | response = dns.message.make_response(query) | |
| 981 | response.use_edns(edns=True, payload=4096, options=[ecso]) | |
| 982 | rrset = dns.rrset.from_text(name, | |
| 983 | 3600, | |
| 984 | dns.rdataclass.IN, | |
| 985 | dns.rdatatype.A, | |
| 986 | '127.0.0.1') | |
| 987 | response.answer.append(rrset) | |
| 988 | expectedResponse = dns.message.make_response(query) | |
| 989 | expectedResponse.answer.append(rrset) | |
| 990 | ||
| 6ca2e796 RG |
991 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 992 | sender = getattr(self, method) | |
| 993 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 994 | self.assertTrue(receivedQuery) | |
| 995 | self.assertTrue(receivedResponse) | |
| 996 | receivedQuery.id = expectedQuery.id | |
| 997 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 998 | self.checkResponseNoEDNS(expectedResponse, receivedResponse) | |
| bd14f087 RG |
999 | |
| 1000 | def testWithECSSetByRule(self): | |
| 1001 | """ | |
| 1002 | ECS Prefix: set with SetECSAction | |
| 1003 | """ | |
| 1004 | name = 'setecsaction.ecsrules.tests.powerdns.com.' | |
| 1005 | ecso = clientsubnetoption.ClientSubnetOption('192.0.2.1', 32) | |
| 1006 | query = dns.message.make_query(name, 'A', 'IN') | |
| 1007 | expectedQuery = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512) | |
| 1008 | response = dns.message.make_response(expectedQuery) | |
| ff0902ec RG |
1009 | rrset = dns.rrset.from_text(name, |
| 1010 | 3600, | |
| 1011 | dns.rdataclass.IN, | |
| 1012 | dns.rdatatype.A, | |
| 1013 | '127.0.0.1') | |
| 1014 | response.answer.append(rrset) | |
| 1015 | expectedResponse = dns.message.make_response(query) | |
| 1016 | expectedResponse.answer.append(rrset) | |
| 1017 | ||
| 6ca2e796 RG |
1018 | for method in ("sendUDPQuery", "sendTCPQuery"): |
| 1019 | sender = getattr(self, method) | |
| 1020 | (receivedQuery, receivedResponse) = sender(query, response) | |
| 1021 | self.assertTrue(receivedQuery) | |
| 1022 | self.assertTrue(receivedResponse) | |
| 1023 | receivedQuery.id = expectedQuery.id | |
| 1024 | self.checkQueryEDNSWithECS(expectedQuery, receivedQuery) | |
| 1025 | self.checkResponseNoEDNS(expectedResponse, receivedResponse) |