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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 | ||
6ca2e796 RG |
52 | for method in ("sendUDPQuery", "sendTCPQuery"): |
53 | sender = getattr(self, method) | |
54 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
55 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
56 | |
57 | name = 'no-edns.lua.edns-self.tests.powerdns.com.' | |
58 | query = dns.message.make_query(name, 'A', 'IN') | |
59 | expectedResponse = dns.message.make_response(query) | |
60 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) | |
61 | ||
6ca2e796 RG |
62 | for method in ("sendUDPQuery", "sendTCPQuery"): |
63 | sender = getattr(self, method) | |
64 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
65 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
66 | |
67 | name = 'no-edns.spoof.edns-self.tests.powerdns.com.' | |
68 | query = dns.message.make_query(name, 'A', 'IN') | |
69 | # dnsdist set RA = RD for spoofed responses | |
70 | query.flags &= ~dns.flags.RD | |
d70d5ad3 | 71 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
72 | expectedResponse.answer.append(dns.rrset.from_text(name, |
73 | 60, | |
74 | dns.rdataclass.IN, | |
75 | dns.rdatatype.A, | |
76 | '192.0.2.1', '192.0.2.2')) | |
77 | ||
6ca2e796 RG |
78 | for method in ("sendUDPQuery", "sendTCPQuery"): |
79 | sender = getattr(self, method) | |
80 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
81 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
82 | |
83 | def testWithEDNSNoDO(self): | |
84 | """ | |
85 | EDNS on Self-Generated: EDNS with DO=0 | |
86 | """ | |
87 | name = 'edns-no-do.rcode.edns-self.tests.powerdns.com.' | |
88 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
7af22479 | 89 | query.flags &= ~dns.flags.RD |
d70d5ad3 | 90 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
91 | expectedResponse.set_rcode(dns.rcode.REFUSED) |
92 | ||
6ca2e796 RG |
93 | for method in ("sendUDPQuery", "sendTCPQuery"): |
94 | sender = getattr(self, method) | |
95 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
96 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
97 | self.assertFalse(receivedResponse.ednsflags & dns.flags.DO) | |
98 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
99 | |
100 | name = 'edns-no-do.tc.edns-self.tests.powerdns.com.' | |
101 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
955b9377 RG |
102 | # dnsdist sets RA = RD for TC responses |
103 | query.flags &= ~dns.flags.RD | |
d70d5ad3 | 104 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
105 | expectedResponse.flags |= dns.flags.TC |
106 | ||
6ca2e796 RG |
107 | for method in ("sendUDPQuery", "sendTCPQuery"): |
108 | sender = getattr(self, method) | |
109 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
110 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
111 | self.assertFalse(receivedResponse.ednsflags & dns.flags.DO) | |
112 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
113 | |
114 | name = 'edns-no-do.lua.edns-self.tests.powerdns.com.' | |
115 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
d70d5ad3 | 116 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
117 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) |
118 | ||
6ca2e796 RG |
119 | for method in ("sendUDPQuery", "sendTCPQuery"): |
120 | sender = getattr(self, method) | |
121 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
122 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
123 | self.assertFalse(receivedResponse.ednsflags & dns.flags.DO) | |
124 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
125 | |
126 | name = 'edns-no-do.spoof.edns-self.tests.powerdns.com.' | |
127 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
128 | # dnsdist set RA = RD for spoofed responses | |
129 | query.flags &= ~dns.flags.RD | |
d70d5ad3 | 130 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
131 | expectedResponse.answer.append(dns.rrset.from_text(name, |
132 | 60, | |
133 | dns.rdataclass.IN, | |
134 | dns.rdatatype.A, | |
135 | '192.0.2.1', '192.0.2.2')) | |
136 | ||
6ca2e796 RG |
137 | for method in ("sendUDPQuery", "sendTCPQuery"): |
138 | sender = getattr(self, method) | |
139 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
140 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
141 | self.assertFalse(receivedResponse.ednsflags & dns.flags.DO) | |
142 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
143 | |
144 | def testWithEDNSWithDO(self): | |
145 | """ | |
146 | EDNS on Self-Generated: EDNS with DO=1 | |
147 | """ | |
148 | name = 'edns-do.rcode.edns-self.tests.powerdns.com.' | |
149 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) | |
7af22479 | 150 | query.flags &= ~dns.flags.RD |
d70d5ad3 | 151 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
152 | expectedResponse.set_rcode(dns.rcode.REFUSED) |
153 | ||
6ca2e796 RG |
154 | for method in ("sendUDPQuery", "sendTCPQuery"): |
155 | sender = getattr(self, method) | |
156 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
157 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
158 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
159 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
160 | |
161 | name = 'edns-do.tc.edns-self.tests.powerdns.com.' | |
162 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) | |
955b9377 RG |
163 | # dnsdist sets RA = RD for TC responses |
164 | query.flags &= ~dns.flags.RD | |
d70d5ad3 | 165 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
166 | expectedResponse.flags |= dns.flags.TC |
167 | ||
6ca2e796 RG |
168 | for method in ("sendUDPQuery", "sendTCPQuery"): |
169 | sender = getattr(self, method) | |
170 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
171 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
172 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
173 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
174 | |
175 | name = 'edns-do.lua.edns-self.tests.powerdns.com.' | |
176 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) | |
d70d5ad3 | 177 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
178 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) |
179 | ||
6ca2e796 RG |
180 | for method in ("sendUDPQuery", "sendTCPQuery"): |
181 | sender = getattr(self, method) | |
182 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
183 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
184 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
185 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
186 | |
187 | name = 'edns-do.spoof.edns-self.tests.powerdns.com.' | |
188 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) | |
189 | # dnsdist set RA = RD for spoofed responses | |
190 | query.flags &= ~dns.flags.RD | |
d70d5ad3 | 191 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
192 | expectedResponse.answer.append(dns.rrset.from_text(name, |
193 | 60, | |
194 | dns.rdataclass.IN, | |
195 | dns.rdatatype.A, | |
196 | '192.0.2.1', '192.0.2.2')) | |
197 | ||
6ca2e796 RG |
198 | for method in ("sendUDPQuery", "sendTCPQuery"): |
199 | sender = getattr(self, method) | |
200 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
201 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
202 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
203 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
204 | |
205 | def testWithEDNSNoOptions(self): | |
206 | """ | |
207 | EDNS on Self-Generated: EDNS with options in the query | |
208 | """ | |
209 | name = 'edns-options.rcode.edns-self.tests.powerdns.com.' | |
210 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
211 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) | |
7af22479 | 212 | query.flags &= ~dns.flags.RD |
d70d5ad3 | 213 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
214 | expectedResponse.set_rcode(dns.rcode.REFUSED) |
215 | ||
6ca2e796 RG |
216 | for method in ("sendUDPQuery", "sendTCPQuery"): |
217 | sender = getattr(self, method) | |
218 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
219 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
220 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
221 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
222 | |
223 | name = 'edns-options.tc.edns-self.tests.powerdns.com.' | |
224 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) | |
955b9377 RG |
225 | # dnsdist sets RA = RD for TC responses |
226 | query.flags &= ~dns.flags.RD | |
d70d5ad3 | 227 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
228 | expectedResponse.flags |= dns.flags.TC |
229 | ||
6ca2e796 RG |
230 | for method in ("sendUDPQuery", "sendTCPQuery"): |
231 | sender = getattr(self, method) | |
232 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
233 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
234 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
235 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
236 | |
237 | name = 'edns-options.lua.edns-self.tests.powerdns.com.' | |
238 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) | |
d70d5ad3 | 239 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
240 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) |
241 | ||
6ca2e796 RG |
242 | for method in ("sendUDPQuery", "sendTCPQuery"): |
243 | sender = getattr(self, method) | |
244 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
245 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
246 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
247 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
248 | |
249 | name = 'edns-options.spoof.edns-self.tests.powerdns.com.' | |
250 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) | |
251 | # dnsdist set RA = RD for spoofed responses | |
252 | query.flags &= ~dns.flags.RD | |
d70d5ad3 | 253 | expectedResponse = dns.message.make_response(query, our_payload=1042) |
e7c732b8 RG |
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 | ||
6ca2e796 RG |
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.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
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 | ||
d3ec24f9 | 277 | addAction("rcode.edns-self-disabled.tests.powerdns.com.", RCodeAction(DNSRCode.REFUSED)) |
e7c732b8 RG |
278 | addAction("tc.edns-self-disabled.tests.powerdns.com.", TCAction()) |
279 | ||
280 | function luarule(dq) | |
281 | return DNSAction.Nxdomain, "" | |
282 | end | |
283 | ||
955de53b | 284 | addAction("lua.edns-self-disabled.tests.powerdns.com.", LuaAction(luarule)) |
e7c732b8 RG |
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) | |
7af22479 | 299 | query.flags &= ~dns.flags.RD |
e7c732b8 RG |
300 | expectedResponse = dns.message.make_response(query) |
301 | expectedResponse.set_rcode(dns.rcode.REFUSED) | |
302 | ||
6ca2e796 RG |
303 | for method in ("sendUDPQuery", "sendTCPQuery"): |
304 | sender = getattr(self, method) | |
305 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
306 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
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) | |
955b9377 RG |
310 | # dnsdist sets RA = RD for TC responses |
311 | query.flags &= ~dns.flags.RD | |
e7c732b8 RG |
312 | expectedResponse = dns.message.make_response(query) |
313 | expectedResponse.flags |= dns.flags.TC | |
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.lua.edns-self-disabled.tests.powerdns.com.' | |
321 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
322 | expectedResponse = dns.message.make_response(query) | |
323 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) | |
324 | ||
6ca2e796 RG |
325 | for method in ("sendUDPQuery", "sendTCPQuery"): |
326 | sender = getattr(self, method) | |
327 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
328 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
329 | |
330 | name = 'edns-no-do.spoof.edns-self-disabled.tests.powerdns.com.' | |
331 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
332 | # dnsdist set RA = RD for spoofed responses | |
333 | query.flags &= ~dns.flags.RD | |
334 | expectedResponse = dns.message.make_response(query) | |
335 | expectedResponse.answer.append(dns.rrset.from_text(name, | |
336 | 60, | |
337 | dns.rdataclass.IN, | |
338 | dns.rdatatype.A, | |
339 | '192.0.2.1', '192.0.2.2')) | |
340 | ||
6ca2e796 RG |
341 | for method in ("sendUDPQuery", "sendTCPQuery"): |
342 | sender = getattr(self, method) | |
343 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
344 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) |