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e7c732b8 RG |
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 = """ | |
d3ec24f9 | 14 | addAction("rcode.edns-self.tests.powerdns.com.", RCodeAction(DNSRCode.REFUSED)) |
e7c732b8 RG |
15 | addAction("tc.edns-self.tests.powerdns.com.", TCAction()) |
16 | ||
17 | function luarule(dq) | |
18 | return DNSAction.Nxdomain, "" | |
19 | end | |
20 | ||
955de53b | 21 | addAction("lua.edns-self.tests.powerdns.com.", LuaAction(luarule)) |
e7c732b8 RG |
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') | |
7af22479 | 36 | query.flags &= ~dns.flags.RD |
e7c732b8 RG |
37 | expectedResponse = dns.message.make_response(query) |
38 | expectedResponse.set_rcode(dns.rcode.REFUSED) | |
39 | ||
6ca2e796 RG |
40 | for method in ("sendUDPQuery", "sendTCPQuery"): |
41 | sender = getattr(self, method) | |
42 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
43 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
44 | |
45 | name = 'no-edns.tc.edns-self.tests.powerdns.com.' | |
46 | query = dns.message.make_query(name, 'A', 'IN') | |
955b9377 RG |
47 | # dnsdist sets RA = RD for TC responses |
48 | query.flags &= ~dns.flags.RD | |
e7c732b8 RG |
49 | expectedResponse = dns.message.make_response(query) |
50 | expectedResponse.flags |= dns.flags.TC | |
51 | ||
0ea62cf0 RG |
52 | (_, receivedResponse) = self.sendUDPQuery(query, response=None, useQueue=False) |
53 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
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 | ||
6ca2e796 RG |
60 | for method in ("sendUDPQuery", "sendTCPQuery"): |
61 | sender = getattr(self, method) | |
62 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
63 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
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 | |
d70d5ad3 | 69 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
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 | ||
6ca2e796 RG |
76 | for method in ("sendUDPQuery", "sendTCPQuery"): |
77 | sender = getattr(self, method) | |
78 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
79 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
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) | |
7af22479 | 87 | query.flags &= ~dns.flags.RD |
d70d5ad3 | 88 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
89 | expectedResponse.set_rcode(dns.rcode.REFUSED) |
90 | ||
6ca2e796 RG |
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) | |
4bfebc93 | 96 | self.assertEqual(receivedResponse.payload, 1042) |
e7c732b8 RG |
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) | |
955b9377 RG |
100 | # dnsdist sets RA = RD for TC responses |
101 | query.flags &= ~dns.flags.RD | |
d70d5ad3 | 102 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
103 | expectedResponse.flags |= dns.flags.TC |
104 | ||
0ea62cf0 RG |
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) | |
e7c732b8 RG |
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) | |
d70d5ad3 | 112 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
113 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) |
114 | ||
6ca2e796 RG |
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) | |
4bfebc93 | 120 | self.assertEqual(receivedResponse.payload, 1042) |
e7c732b8 RG |
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 | |
d70d5ad3 | 126 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
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 | ||
6ca2e796 RG |
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) | |
4bfebc93 | 138 | self.assertEqual(receivedResponse.payload, 1042) |
e7c732b8 RG |
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) | |
7af22479 | 146 | query.flags &= ~dns.flags.RD |
d70d5ad3 | 147 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
148 | expectedResponse.set_rcode(dns.rcode.REFUSED) |
149 | ||
6ca2e796 RG |
150 | for method in ("sendUDPQuery", "sendTCPQuery"): |
151 | sender = getattr(self, method) | |
152 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
153 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
154 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
4bfebc93 | 155 | self.assertEqual(receivedResponse.payload, 1042) |
e7c732b8 RG |
156 | |
157 | name = 'edns-do.tc.edns-self.tests.powerdns.com.' | |
158 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) | |
955b9377 RG |
159 | # dnsdist sets RA = RD for TC responses |
160 | query.flags &= ~dns.flags.RD | |
d70d5ad3 | 161 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
162 | expectedResponse.flags |= dns.flags.TC |
163 | ||
0ea62cf0 RG |
164 | (_, receivedResponse) = self.sendUDPQuery(query, response=None, useQueue=False) |
165 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
166 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
167 | self.assertEqual(receivedResponse.payload, 1042) | |
e7c732b8 RG |
168 | |
169 | name = 'edns-do.lua.edns-self.tests.powerdns.com.' | |
170 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) | |
d70d5ad3 | 171 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
172 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) |
173 | ||
6ca2e796 RG |
174 | for method in ("sendUDPQuery", "sendTCPQuery"): |
175 | sender = getattr(self, method) | |
176 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
177 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
178 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
4bfebc93 | 179 | self.assertEqual(receivedResponse.payload, 1042) |
e7c732b8 RG |
180 | |
181 | name = 'edns-do.spoof.edns-self.tests.powerdns.com.' | |
182 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) | |
183 | # dnsdist set RA = RD for spoofed responses | |
184 | query.flags &= ~dns.flags.RD | |
d70d5ad3 | 185 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
186 | expectedResponse.answer.append(dns.rrset.from_text(name, |
187 | 60, | |
188 | dns.rdataclass.IN, | |
189 | dns.rdatatype.A, | |
190 | '192.0.2.1', '192.0.2.2')) | |
191 | ||
6ca2e796 RG |
192 | for method in ("sendUDPQuery", "sendTCPQuery"): |
193 | sender = getattr(self, method) | |
194 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
195 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
196 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
4bfebc93 | 197 | self.assertEqual(receivedResponse.payload, 1042) |
e7c732b8 RG |
198 | |
199 | def testWithEDNSNoOptions(self): | |
200 | """ | |
201 | EDNS on Self-Generated: EDNS with options in the query | |
202 | """ | |
203 | name = 'edns-options.rcode.edns-self.tests.powerdns.com.' | |
204 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
205 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) | |
7af22479 | 206 | query.flags &= ~dns.flags.RD |
d70d5ad3 | 207 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
208 | expectedResponse.set_rcode(dns.rcode.REFUSED) |
209 | ||
6ca2e796 RG |
210 | for method in ("sendUDPQuery", "sendTCPQuery"): |
211 | sender = getattr(self, method) | |
212 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
213 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
214 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
4bfebc93 | 215 | self.assertEqual(receivedResponse.payload, 1042) |
e7c732b8 RG |
216 | |
217 | name = 'edns-options.tc.edns-self.tests.powerdns.com.' | |
218 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) | |
955b9377 RG |
219 | # dnsdist sets RA = RD for TC responses |
220 | query.flags &= ~dns.flags.RD | |
d70d5ad3 | 221 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
222 | expectedResponse.flags |= dns.flags.TC |
223 | ||
0ea62cf0 RG |
224 | (_, receivedResponse) = self.sendUDPQuery(query, response=None, useQueue=False) |
225 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
226 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
227 | self.assertEqual(receivedResponse.payload, 1042) | |
e7c732b8 RG |
228 | |
229 | name = 'edns-options.lua.edns-self.tests.powerdns.com.' | |
230 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) | |
d70d5ad3 | 231 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
232 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) |
233 | ||
6ca2e796 RG |
234 | for method in ("sendUDPQuery", "sendTCPQuery"): |
235 | sender = getattr(self, method) | |
236 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
237 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
238 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
4bfebc93 | 239 | self.assertEqual(receivedResponse.payload, 1042) |
e7c732b8 RG |
240 | |
241 | name = 'edns-options.spoof.edns-self.tests.powerdns.com.' | |
242 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) | |
243 | # dnsdist set RA = RD for spoofed responses | |
244 | query.flags &= ~dns.flags.RD | |
d70d5ad3 | 245 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
246 | expectedResponse.answer.append(dns.rrset.from_text(name, |
247 | 60, | |
248 | dns.rdataclass.IN, | |
249 | dns.rdatatype.A, | |
250 | '192.0.2.1', '192.0.2.2')) | |
251 | ||
6ca2e796 RG |
252 | for method in ("sendUDPQuery", "sendTCPQuery"): |
253 | sender = getattr(self, method) | |
254 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
255 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
256 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
4bfebc93 | 257 | self.assertEqual(receivedResponse.payload, 1042) |
e7c732b8 RG |
258 | |
259 | ||
260 | class TestEDNSSelfGeneratedDisabled(DNSDistTest): | |
261 | """ | |
262 | Check that dnsdist does not send EDNS data on | |
263 | self-generated (RCodeAction(), TCAction(), Lua..) when disabled | |
264 | """ | |
265 | ||
266 | _config_template = """ | |
267 | setAddEDNSToSelfGeneratedResponses(false) | |
268 | ||
d3ec24f9 | 269 | addAction("rcode.edns-self-disabled.tests.powerdns.com.", RCodeAction(DNSRCode.REFUSED)) |
e7c732b8 RG |
270 | addAction("tc.edns-self-disabled.tests.powerdns.com.", TCAction()) |
271 | ||
272 | function luarule(dq) | |
273 | return DNSAction.Nxdomain, "" | |
274 | end | |
275 | ||
955de53b | 276 | addAction("lua.edns-self-disabled.tests.powerdns.com.", LuaAction(luarule)) |
e7c732b8 RG |
277 | |
278 | addAction("spoof.edns-self-disabled.tests.powerdns.com.", SpoofAction({'192.0.2.1', '192.0.2.2'})) | |
279 | ||
280 | setPayloadSizeOnSelfGeneratedAnswers(1042) | |
281 | ||
282 | newServer{address="127.0.0.1:%s"} | |
283 | """ | |
284 | ||
285 | def testWithEDNSNoDO(self): | |
286 | """ | |
287 | EDNS on Self-Generated (disabled): EDNS with DO=0 | |
288 | """ | |
289 | name = 'edns-no-do.rcode.edns-self-disabled.tests.powerdns.com.' | |
290 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
7af22479 | 291 | query.flags &= ~dns.flags.RD |
e7c732b8 RG |
292 | expectedResponse = dns.message.make_response(query) |
293 | expectedResponse.set_rcode(dns.rcode.REFUSED) | |
294 | ||
6ca2e796 RG |
295 | for method in ("sendUDPQuery", "sendTCPQuery"): |
296 | sender = getattr(self, method) | |
297 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
298 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
299 | |
300 | name = 'edns-no-do.tc.edns-self-disabled.tests.powerdns.com.' | |
301 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
955b9377 RG |
302 | # dnsdist sets RA = RD for TC responses |
303 | query.flags &= ~dns.flags.RD | |
e7c732b8 RG |
304 | expectedResponse = dns.message.make_response(query) |
305 | expectedResponse.flags |= dns.flags.TC | |
306 | ||
0ea62cf0 RG |
307 | (_, receivedResponse) = self.sendUDPQuery(query, response=None, useQueue=False) |
308 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
309 | |
310 | name = 'edns-no-do.lua.edns-self-disabled.tests.powerdns.com.' | |
311 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
312 | expectedResponse = dns.message.make_response(query) | |
313 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) | |
314 | ||
6ca2e796 RG |
315 | for method in ("sendUDPQuery", "sendTCPQuery"): |
316 | sender = getattr(self, method) | |
317 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
318 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
319 | |
320 | name = 'edns-no-do.spoof.edns-self-disabled.tests.powerdns.com.' | |
321 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
322 | # dnsdist set RA = RD for spoofed responses | |
323 | query.flags &= ~dns.flags.RD | |
324 | expectedResponse = dns.message.make_response(query) | |
325 | expectedResponse.answer.append(dns.rrset.from_text(name, | |
326 | 60, | |
327 | dns.rdataclass.IN, | |
328 | dns.rdatatype.A, | |
329 | '192.0.2.1', '192.0.2.2')) | |
330 | ||
6ca2e796 RG |
331 | for method in ("sendUDPQuery", "sendTCPQuery"): |
332 | sender = getattr(self, method) | |
333 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
334 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) |