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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') | |
36 | expectedResponse = dns.message.make_response(query) | |
37 | expectedResponse.set_rcode(dns.rcode.REFUSED) | |
38 | ||
6ca2e796 RG |
39 | for method in ("sendUDPQuery", "sendTCPQuery"): |
40 | sender = getattr(self, method) | |
41 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
42 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
43 | |
44 | name = 'no-edns.tc.edns-self.tests.powerdns.com.' | |
45 | query = dns.message.make_query(name, 'A', 'IN') | |
46 | expectedResponse = dns.message.make_response(query) | |
47 | expectedResponse.flags |= dns.flags.TC | |
48 | ||
6ca2e796 RG |
49 | for method in ("sendUDPQuery", "sendTCPQuery"): |
50 | sender = getattr(self, method) | |
51 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
52 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
53 | |
54 | name = 'no-edns.lua.edns-self.tests.powerdns.com.' | |
55 | query = dns.message.make_query(name, 'A', 'IN') | |
56 | expectedResponse = dns.message.make_response(query) | |
57 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) | |
58 | ||
6ca2e796 RG |
59 | for method in ("sendUDPQuery", "sendTCPQuery"): |
60 | sender = getattr(self, method) | |
61 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
62 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
63 | |
64 | name = 'no-edns.spoof.edns-self.tests.powerdns.com.' | |
65 | query = dns.message.make_query(name, 'A', 'IN') | |
66 | # dnsdist set RA = RD for spoofed responses | |
67 | query.flags &= ~dns.flags.RD | |
68 | expectedResponse = dns.message.make_response(query) | |
69 | expectedResponse.answer.append(dns.rrset.from_text(name, | |
70 | 60, | |
71 | dns.rdataclass.IN, | |
72 | dns.rdatatype.A, | |
73 | '192.0.2.1', '192.0.2.2')) | |
74 | ||
6ca2e796 RG |
75 | for method in ("sendUDPQuery", "sendTCPQuery"): |
76 | sender = getattr(self, method) | |
77 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
78 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
79 | |
80 | def testWithEDNSNoDO(self): | |
81 | """ | |
82 | EDNS on Self-Generated: EDNS with DO=0 | |
83 | """ | |
84 | name = 'edns-no-do.rcode.edns-self.tests.powerdns.com.' | |
85 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
86 | expectedResponse = dns.message.make_response(query) | |
87 | expectedResponse.set_rcode(dns.rcode.REFUSED) | |
88 | ||
6ca2e796 RG |
89 | for method in ("sendUDPQuery", "sendTCPQuery"): |
90 | sender = getattr(self, method) | |
91 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
92 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
93 | self.assertFalse(receivedResponse.ednsflags & dns.flags.DO) | |
94 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
95 | |
96 | name = 'edns-no-do.tc.edns-self.tests.powerdns.com.' | |
97 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
98 | expectedResponse = dns.message.make_response(query) | |
99 | expectedResponse.flags |= dns.flags.TC | |
100 | ||
6ca2e796 RG |
101 | for method in ("sendUDPQuery", "sendTCPQuery"): |
102 | sender = getattr(self, method) | |
103 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
104 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
105 | self.assertFalse(receivedResponse.ednsflags & dns.flags.DO) | |
106 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
107 | |
108 | name = 'edns-no-do.lua.edns-self.tests.powerdns.com.' | |
109 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
110 | expectedResponse = dns.message.make_response(query) | |
111 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) | |
112 | ||
6ca2e796 RG |
113 | for method in ("sendUDPQuery", "sendTCPQuery"): |
114 | sender = getattr(self, method) | |
115 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
116 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
117 | self.assertFalse(receivedResponse.ednsflags & dns.flags.DO) | |
118 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
119 | |
120 | name = 'edns-no-do.spoof.edns-self.tests.powerdns.com.' | |
121 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
122 | # dnsdist set RA = RD for spoofed responses | |
123 | query.flags &= ~dns.flags.RD | |
124 | expectedResponse = dns.message.make_response(query) | |
125 | expectedResponse.answer.append(dns.rrset.from_text(name, | |
126 | 60, | |
127 | dns.rdataclass.IN, | |
128 | dns.rdatatype.A, | |
129 | '192.0.2.1', '192.0.2.2')) | |
130 | ||
6ca2e796 RG |
131 | for method in ("sendUDPQuery", "sendTCPQuery"): |
132 | sender = getattr(self, method) | |
133 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
134 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
135 | self.assertFalse(receivedResponse.ednsflags & dns.flags.DO) | |
136 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
137 | |
138 | def testWithEDNSWithDO(self): | |
139 | """ | |
140 | EDNS on Self-Generated: EDNS with DO=1 | |
141 | """ | |
142 | name = 'edns-do.rcode.edns-self.tests.powerdns.com.' | |
143 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) | |
144 | expectedResponse = dns.message.make_response(query) | |
145 | expectedResponse.set_rcode(dns.rcode.REFUSED) | |
146 | ||
6ca2e796 RG |
147 | for method in ("sendUDPQuery", "sendTCPQuery"): |
148 | sender = getattr(self, method) | |
149 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
150 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
151 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
152 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
153 | |
154 | name = 'edns-do.tc.edns-self.tests.powerdns.com.' | |
155 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) | |
156 | expectedResponse = dns.message.make_response(query) | |
157 | expectedResponse.flags |= dns.flags.TC | |
158 | ||
6ca2e796 RG |
159 | for method in ("sendUDPQuery", "sendTCPQuery"): |
160 | sender = getattr(self, method) | |
161 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
162 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
163 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
164 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
165 | |
166 | name = 'edns-do.lua.edns-self.tests.powerdns.com.' | |
167 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) | |
168 | expectedResponse = dns.message.make_response(query) | |
169 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) | |
170 | ||
6ca2e796 RG |
171 | for method in ("sendUDPQuery", "sendTCPQuery"): |
172 | sender = getattr(self, method) | |
173 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
174 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
175 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
176 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
177 | |
178 | name = 'edns-do.spoof.edns-self.tests.powerdns.com.' | |
179 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=True) | |
180 | # dnsdist set RA = RD for spoofed responses | |
181 | query.flags &= ~dns.flags.RD | |
182 | expectedResponse = dns.message.make_response(query) | |
183 | expectedResponse.answer.append(dns.rrset.from_text(name, | |
184 | 60, | |
185 | dns.rdataclass.IN, | |
186 | dns.rdatatype.A, | |
187 | '192.0.2.1', '192.0.2.2')) | |
188 | ||
6ca2e796 RG |
189 | for method in ("sendUDPQuery", "sendTCPQuery"): |
190 | sender = getattr(self, method) | |
191 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
192 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
193 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
194 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
195 | |
196 | def testWithEDNSNoOptions(self): | |
197 | """ | |
198 | EDNS on Self-Generated: EDNS with options in the query | |
199 | """ | |
200 | name = 'edns-options.rcode.edns-self.tests.powerdns.com.' | |
201 | ecso = clientsubnetoption.ClientSubnetOption('127.0.0.1', 24) | |
202 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) | |
203 | expectedResponse = dns.message.make_response(query) | |
204 | expectedResponse.set_rcode(dns.rcode.REFUSED) | |
205 | ||
6ca2e796 RG |
206 | for method in ("sendUDPQuery", "sendTCPQuery"): |
207 | sender = getattr(self, method) | |
208 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
209 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
210 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
211 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
212 | |
213 | name = 'edns-options.tc.edns-self.tests.powerdns.com.' | |
214 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) | |
215 | expectedResponse = dns.message.make_response(query) | |
216 | expectedResponse.flags |= dns.flags.TC | |
217 | ||
6ca2e796 RG |
218 | for method in ("sendUDPQuery", "sendTCPQuery"): |
219 | sender = getattr(self, method) | |
220 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
221 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
222 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
223 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
224 | |
225 | name = 'edns-options.lua.edns-self.tests.powerdns.com.' | |
226 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) | |
227 | expectedResponse = dns.message.make_response(query) | |
228 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) | |
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.spoof.edns-self.tests.powerdns.com.' | |
238 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, options=[ecso], payload=512, want_dnssec=True) | |
239 | # dnsdist set RA = RD for spoofed responses | |
240 | query.flags &= ~dns.flags.RD | |
241 | expectedResponse = dns.message.make_response(query) | |
242 | expectedResponse.answer.append(dns.rrset.from_text(name, | |
243 | 60, | |
244 | dns.rdataclass.IN, | |
245 | dns.rdatatype.A, | |
246 | '192.0.2.1', '192.0.2.2')) | |
247 | ||
6ca2e796 RG |
248 | for method in ("sendUDPQuery", "sendTCPQuery"): |
249 | sender = getattr(self, method) | |
250 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
251 | self.checkMessageEDNSWithoutOptions(expectedResponse, receivedResponse) | |
252 | self.assertTrue(receivedResponse.ednsflags & dns.flags.DO) | |
253 | self.assertEquals(receivedResponse.payload, 1042) | |
e7c732b8 RG |
254 | |
255 | ||
256 | class TestEDNSSelfGeneratedDisabled(DNSDistTest): | |
257 | """ | |
258 | Check that dnsdist does not send EDNS data on | |
259 | self-generated (RCodeAction(), TCAction(), Lua..) when disabled | |
260 | """ | |
261 | ||
262 | _config_template = """ | |
263 | setAddEDNSToSelfGeneratedResponses(false) | |
264 | ||
d3ec24f9 | 265 | addAction("rcode.edns-self-disabled.tests.powerdns.com.", RCodeAction(DNSRCode.REFUSED)) |
e7c732b8 RG |
266 | addAction("tc.edns-self-disabled.tests.powerdns.com.", TCAction()) |
267 | ||
268 | function luarule(dq) | |
269 | return DNSAction.Nxdomain, "" | |
270 | end | |
271 | ||
955de53b | 272 | addAction("lua.edns-self-disabled.tests.powerdns.com.", LuaAction(luarule)) |
e7c732b8 RG |
273 | |
274 | addAction("spoof.edns-self-disabled.tests.powerdns.com.", SpoofAction({'192.0.2.1', '192.0.2.2'})) | |
275 | ||
276 | setPayloadSizeOnSelfGeneratedAnswers(1042) | |
277 | ||
278 | newServer{address="127.0.0.1:%s"} | |
279 | """ | |
280 | ||
281 | def testWithEDNSNoDO(self): | |
282 | """ | |
283 | EDNS on Self-Generated (disabled): EDNS with DO=0 | |
284 | """ | |
285 | name = 'edns-no-do.rcode.edns-self-disabled.tests.powerdns.com.' | |
286 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
287 | expectedResponse = dns.message.make_response(query) | |
288 | expectedResponse.set_rcode(dns.rcode.REFUSED) | |
289 | ||
6ca2e796 RG |
290 | for method in ("sendUDPQuery", "sendTCPQuery"): |
291 | sender = getattr(self, method) | |
292 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
293 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
294 | |
295 | name = 'edns-no-do.tc.edns-self-disabled.tests.powerdns.com.' | |
296 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
297 | expectedResponse = dns.message.make_response(query) | |
298 | expectedResponse.flags |= dns.flags.TC | |
299 | ||
6ca2e796 RG |
300 | for method in ("sendUDPQuery", "sendTCPQuery"): |
301 | sender = getattr(self, method) | |
302 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
303 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
304 | |
305 | name = 'edns-no-do.lua.edns-self-disabled.tests.powerdns.com.' | |
306 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
307 | expectedResponse = dns.message.make_response(query) | |
308 | expectedResponse.set_rcode(dns.rcode.NXDOMAIN) | |
309 | ||
6ca2e796 RG |
310 | for method in ("sendUDPQuery", "sendTCPQuery"): |
311 | sender = getattr(self, method) | |
312 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
313 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) | |
e7c732b8 RG |
314 | |
315 | name = 'edns-no-do.spoof.edns-self-disabled.tests.powerdns.com.' | |
316 | query = dns.message.make_query(name, 'A', 'IN', use_edns=True, payload=4096, want_dnssec=False) | |
317 | # dnsdist set RA = RD for spoofed responses | |
318 | query.flags &= ~dns.flags.RD | |
319 | expectedResponse = dns.message.make_response(query) | |
320 | expectedResponse.answer.append(dns.rrset.from_text(name, | |
321 | 60, | |
322 | dns.rdataclass.IN, | |
323 | dns.rdatatype.A, | |
324 | '192.0.2.1', '192.0.2.2')) | |
325 | ||
6ca2e796 RG |
326 | for method in ("sendUDPQuery", "sendTCPQuery"): |
327 | sender = getattr(self, method) | |
328 | (_, receivedResponse) = sender(query, response=None, useQueue=False) | |
329 | self.checkMessageNoEDNS(expectedResponse, receivedResponse) |