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Commit | Line | Data |
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7568b07d PL |
1 | #!/usr/bin/env python2 |
2 | ||
7a0ea291 | 3 | from __future__ import print_function |
7568b07d PL |
4 | import errno |
5 | import shutil | |
6 | import os | |
7 | import socket | |
8 | import struct | |
9 | import subprocess | |
10 | import sys | |
11 | import time | |
12 | import unittest | |
13 | import dns | |
14 | import dns.message | |
15 | ||
9166ee1b RG |
16 | from proxyprotocol import ProxyProtocol |
17 | ||
753a8109 PD |
18 | from eqdnsmessage import AssertEqualDNSMessageMixin |
19 | ||
fb027663 PL |
20 | |
21 | def have_ipv6(): | |
22 | """ | |
23 | Try to make an IPv6 socket and bind it, if it fails, no ipv6... | |
24 | """ | |
25 | try: | |
26 | sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM) | |
27 | sock.bind(('::1', 56581)) | |
28 | sock.close() | |
29 | return True | |
30 | except: | |
31 | return False | |
32 | return False | |
33 | ||
34 | ||
753a8109 | 35 | class RecursorTest(AssertEqualDNSMessageMixin, unittest.TestCase): |
7568b07d PL |
36 | """ |
37 | Setup all recursors and auths required for the tests | |
38 | """ | |
39 | ||
40 | _confdir = 'recursor' | |
41 | ||
7568b07d PL |
42 | _recursorPort = 5300 |
43 | ||
44 | _recursor = None | |
45 | ||
46 | _PREFIX = os.environ['PREFIX'] | |
47 | ||
48 | _config_template_default = """ | |
49 | daemon=no | |
50 | trace=yes | |
51 | dont-query= | |
52 | local-address=127.0.0.1 | |
d2c1660a OM |
53 | packetcache-ttl=15 |
54 | packetcache-servfail-ttl=15 | |
7568b07d | 55 | max-cache-ttl=15 |
d2c1660a | 56 | threads=2 |
7568b07d PL |
57 | loglevel=9 |
58 | disable-syslog=yes | |
949cd0f2 | 59 | log-common-errors=yes |
5f0a330f | 60 | statistics-interval=0 |
7568b07d PL |
61 | """ |
62 | _config_template = """ | |
63 | """ | |
64 | _config_params = [] | |
65 | _lua_config_file = None | |
18e0e4df | 66 | _lua_dns_script_file = None |
7568b07d PL |
67 | _roothints = """ |
68 | . 3600 IN NS ns.root. | |
69 | ns.root. 3600 IN A %s.8 | |
8064abbb | 70 | ns.root. 3600 IN AAAA ::1 |
7568b07d PL |
71 | """ % _PREFIX |
72 | _root_DS = "63149 13 1 a59da3f5c1b97fcd5fa2b3b2b0ac91d38a60d33a" | |
73 | ||
74 | # The default SOA for zones in the authoritative servers | |
75 | _SOA = "ns1.example.net. hostmaster.example.net. 1 3600 1800 1209600 300" | |
76 | ||
77 | # The definitions of the zones on the authoritative servers, the key is the | |
78 | # zonename and the value is the zonefile content. several strings are replaced: | |
79 | # - {soa} => value of _SOA | |
80 | # - {prefix} value of _PREFIX | |
81 | _zones = { | |
82 | 'ROOT': """ | |
83 | . 3600 IN SOA {soa} | |
84 | . 3600 IN NS ns.root. | |
85 | ns.root. 3600 IN A {prefix}.8 | |
86 | ||
87 | example. 3600 IN NS ns1.example. | |
88 | example. 3600 IN NS ns2.example. | |
89 | example. 3600 IN DS 53174 13 1 50c9e913818767c236c06c2d8272723cb78cbf26 | |
90 | ||
91 | ns1.example. 3600 IN A {prefix}.10 | |
4709a495 | 92 | ns2.example. 3600 IN A {prefix}.18 |
7568b07d PL |
93 | """, |
94 | 'example': """ | |
95 | example. 3600 IN SOA {soa} | |
f3be2401 RG |
96 | example. 3600 IN NS ns1.example. |
97 | example. 3600 IN NS ns2.example. | |
7568b07d | 98 | ns1.example. 3600 IN A {prefix}.10 |
4709a495 | 99 | ns2.example. 3600 IN A {prefix}.18 |
7568b07d PL |
100 | |
101 | secure.example. 3600 IN NS ns.secure.example. | |
102 | secure.example. 3600 IN DS 64723 13 1 53eb985040d3a89bacf29dbddb55a65834706f33 | |
103 | ns.secure.example. 3600 IN A {prefix}.9 | |
104 | ||
d5b8ccd4 PL |
105 | cname-secure.example. 3600 IN NS ns.cname-secure.example. |
106 | cname-secure.example. 3600 IN DS 49148 13 1 a10314452d5ec4d97fcc6d7e275d217261fe790f | |
107 | ns.cname-secure.example. 3600 IN A {prefix}.15 | |
108 | ||
9516e835 PL |
109 | dname-secure.example. 3600 IN NS ns.dname-secure.example. |
110 | dname-secure.example. 3600 IN DS 42043 13 2 11c67f46b7c4d5968bc5f6cc944d58377b762bda53ddb4f3a6dbe6faf7a9940f | |
111 | ns.dname-secure.example. 3600 IN A {prefix}.13 | |
112 | ||
7568b07d PL |
113 | bogus.example. 3600 IN NS ns.bogus.example. |
114 | bogus.example. 3600 IN DS 65034 13 1 6df3bb50ea538e90eacdd7ae5419730783abb0ee | |
115 | ns.bogus.example. 3600 IN A {prefix}.12 | |
116 | ||
117 | insecure.example. 3600 IN NS ns.insecure.example. | |
118 | ns.insecure.example. 3600 IN A {prefix}.13 | |
11886ab9 PL |
119 | |
120 | optout.example. 3600 IN NS ns1.optout.example. | |
121 | optout.example. 3600 IN DS 59332 13 1 e664f886ae1b5df03d918bc1217d22afc29925b9 | |
122 | ns1.optout.example. 3600 IN A {prefix}.14 | |
962a980d | 123 | |
9996807c OM |
124 | postresolve_ffi.example. 3600 IN A 1.2.3.4 |
125 | postresolve_ffi.example. 3600 IN A 1.2.3.5 | |
126 | postresolve_ffi.example. 3600 IN AAAA ::1 | |
127 | postresolve_ffi.example. 3600 IN AAAA ::2 | |
128 | ||
962a980d PL |
129 | insecure-formerr.example. 3600 IN NS ns1.insecure-formerr.example. |
130 | ns1.insecure-formerr.example. 3600 IN A {prefix}.2 | |
3bebf5f0 | 131 | |
9a0b88e8 RG |
132 | ecs-echo.example. 3600 IN NS ns1.ecs-echo.example. |
133 | ns1.ecs-echo.example. 3600 IN A {prefix}.21 | |
134 | ||
3bebf5f0 PL |
135 | islandofsecurity.example. 3600 IN NS ns1.islandofsecurity.example. |
136 | ns1.islandofsecurity.example. 3600 IN A {prefix}.9 | |
2fed5be3 PD |
137 | |
138 | sortcname.example. 3600 IN CNAME sort | |
139 | sort.example. 3600 IN A 17.38.42.80 | |
140 | sort.example. 3600 IN A 192.168.0.1 | |
141 | sort.example. 3600 IN A 17.238.240.5 | |
142 | sort.example. 3600 IN MX 25 mx | |
c51c551e | 143 | |
a79f06c4 OM |
144 | delay1.example. 3600 IN NS ns1.delay1.example. |
145 | ns1.delay1.example. 3600 IN A {prefix}.16 | |
4709a495 OM |
146 | delay1.example. 3600 IN DS 42043 13 2 7319fa605cf117f36e3de070157577ebb9a05a1d1f963d80eda55b5d6e793eb2 |
147 | ||
a79f06c4 OM |
148 | delay2.example. 3600 IN NS ns1.delay2.example. |
149 | ns1.delay2.example. 3600 IN A {prefix}.17 | |
4709a495 | 150 | delay2.example. 3600 IN DS 42043 13 2 60a047b87740c8564c21d5fd34626c10a77a6c41e3b34564230119c2f13937b8 |
b7284b4d RG |
151 | |
152 | cname-nxd.example. 3600 IN CNAME cname-nxd-target.example. | |
153 | cname-nxd-target.example. 3600 IN A 192.0.2.100 | |
154 | cname-nodata.example. 3600 IN CNAME cname-nodata-target.example. | |
155 | cname-nodata-target.example. 3600 IN A 192.0.2.101 | |
156 | cname-custom-a.example. 3600 IN CNAME cname-custom-a-target.example. | |
157 | cname-custom-a-target.example. 3600 IN A 192.0.2.102 | |
7568b07d PL |
158 | """, |
159 | 'secure.example': """ | |
160 | secure.example. 3600 IN SOA {soa} | |
161 | secure.example. 3600 IN NS ns.secure.example. | |
162 | ns.secure.example. 3600 IN A {prefix}.9 | |
1fc89740 OM |
163 | secure.example. 3600 IN MX 10 mx1.secure.example. |
164 | secure.example. 3600 IN MX 20 mx2.secure.example. | |
89394fa7 OM |
165 | sub.secure.example. 3600 IN MX 10 mx1.secure.example. |
166 | sub.secure.example. 3600 IN MX 20 mx2.secure.example. | |
1fc89740 OM |
167 | |
168 | naptr.secure.example. 60 IN NAPTR 10 10 "a" "X" "A" s1.secure.example. | |
169 | naptr.secure.example. 60 IN NAPTR 10 10 "s" "Y" "B" service1.secure.example. | |
170 | naptr.secure.example. 60 IN NAPTR 10 10 "s" "Z" "C" service2.secure.example. | |
171 | service1.secure.example. 60 IN SRV 20 100 8080 a.secure.example. | |
172 | service2.secure.example. 60 IN SRV 20 100 8080 b.secure.example. | |
173 | ||
7568b07d | 174 | |
d5b8ccd4 | 175 | secure.example. 3600 IN A 192.0.2.17 |
1fc89740 OM |
176 | mx1.secure.example. 3600 IN A 192.0.2.18 |
177 | mx2.secure.example. 3600 IN AAAA 1::2 | |
178 | s1.secure.example. 3600 IN A 192.0.2.19 | |
179 | a.secure.example. 3600 IN A 192.0.2.20 | |
180 | a.secure.example. 3600 IN A 192.0.2.22 | |
181 | b.secure.example. 3600 IN A 192.0.2.21 | |
182 | b.secure.example. 3600 IN AAAA 1::3 | |
d5b8ccd4 | 183 | |
7568b07d | 184 | host1.secure.example. 3600 IN A 192.0.2.2 |
05537f80 | 185 | cname.secure.example. 3600 IN CNAME host1.secure.example. |
6552b37b | 186 | cname-to-insecure.secure.example. 3600 IN CNAME node1.insecure.example. |
faa3b298 | 187 | cname-to-bogus.secure.example. 3600 IN CNAME ted.bogus.example. |
3bebf5f0 | 188 | cname-to-islandofsecurity.secure.example. 3600 IN CNAME node1.islandofsecurity.example. |
46419ee3 PL |
189 | |
190 | host1.sub.secure.example. 3600 IN A 192.0.2.11 | |
fdb27cb2 | 191 | |
694ef440 PL |
192 | ;; See #4158 |
193 | sub2.secure.example. 3600 IN CNAME doesnotmatter.insecure.example. | |
194 | insecure.sub2.secure.example. 3600 IN NS ns1.insecure.example. | |
195 | ||
fdb27cb2 | 196 | *.wildcard.secure.example. 3600 IN A 192.0.2.10 |
52033c6f PL |
197 | |
198 | *.cnamewildcard.secure.example. 3600 IN CNAME host1.secure.example. | |
199 | ||
ef2ea4bf | 200 | *.cnamewildcardnxdomain.secure.example. 3600 IN CNAME doesnotexist.secure.example. |
962a980d PL |
201 | |
202 | cname-to-formerr.secure.example. 3600 IN CNAME host1.insecure-formerr.example. | |
9516e835 PL |
203 | |
204 | dname-secure.secure.example. 3600 IN DNAME dname-secure.example. | |
205 | dname-insecure.secure.example. 3600 IN DNAME insecure.example. | |
206 | dname-bogus.secure.example. 3600 IN DNAME bogus.example. | |
90b85dd0 PD |
207 | |
208 | non-apex-dnskey.secure.example. 3600 IN DNSKEY 257 3 13 CT6AJ4MEOtNDgj0+xLtTLGHf1WbLsKWZI8ONHOt/6q7hTjeWSnY/SGig1dIKZrHg+pJFUSPaxeShv48SYVRKEg== | |
29ad8796 PD |
209 | non-apex-dnskey2.secure.example. 3600 IN DNSKEY 256 3 13 CT6AJ4MEOtNDgj0+xLtTLGHf1WbLsKWZI8ONHOt/6q7hTjeWSnY/SGig1dIKZrHg+pJFUSPaxeShv48SYVRKEg== |
210 | non-apex-dnskey3.secure.example. 3600 IN DNSKEY 256 3 13 DT6AJ4MEOtNDgj0+xLtTLGHf1WbLsKWZI8ONHOt/6q7hTjeWSnY/SGig1dIKZrHg+pJFUSPaxeShv48SYVRKEg== | |
d5b8ccd4 | 211 | """, |
9516e835 PL |
212 | 'dname-secure.example': """ |
213 | dname-secure.example. 3600 IN SOA {soa} | |
214 | dname-secure.example. 3600 IN NS ns.dname-secure.example. | |
215 | ns.dname-secure.example. 3600 IN A {prefix}.13 | |
216 | ||
217 | host1.dname-secure.example. IN A 192.0.2.21 | |
218 | ||
219 | cname-to-secure.dname-secure.example. 3600 IN CNAME host1.secure.example. | |
220 | cname-to-insecure.dname-secure.example. 3600 IN CNAME node1.insecure.example. | |
221 | cname-to-bogus.dname-secure.example. 3600 IN CNAME ted.bogus.example. | |
222 | """, | |
d5b8ccd4 PL |
223 | 'cname-secure.example': """ |
224 | cname-secure.example. 3600 IN SOA {soa} | |
225 | cname-secure.example. 3600 IN NS ns.cname-secure.example. | |
226 | ns.cname-secure.example. 3600 IN A {prefix}.15 | |
227 | cname-secure.example. 3600 IN CNAME secure.example. | |
7568b07d PL |
228 | """, |
229 | 'bogus.example': """ | |
230 | bogus.example. 3600 IN SOA {soa} | |
231 | bogus.example. 3600 IN NS ns1.bogus.example. | |
232 | ns1.bogus.example. 3600 IN A {prefix}.12 | |
233 | ted.bogus.example. 3600 IN A 192.0.2.1 | |
234 | bill.bogus.example. 3600 IN AAAA 2001:db8:12::3 | |
694ef440 PL |
235 | """, |
236 | 'insecure.sub2.secure.example': """ | |
237 | insecure.sub2.secure.example. 3600 IN SOA {soa} | |
238 | insecure.sub2.secure.example. 3600 IN NS ns1.insecure.example. | |
239 | ||
240 | node1.insecure.sub2.secure.example. 3600 IN A 192.0.2.18 | |
7568b07d PL |
241 | """, |
242 | 'insecure.example': """ | |
243 | insecure.example. 3600 IN SOA {soa} | |
244 | insecure.example. 3600 IN NS ns1.insecure.example. | |
245 | ns1.insecure.example. 3600 IN A {prefix}.13 | |
246 | ||
247 | node1.insecure.example. 3600 IN A 192.0.2.6 | |
6552b37b PL |
248 | |
249 | cname-to-secure.insecure.example. 3600 IN CNAME host1.secure.example. | |
9516e835 PL |
250 | |
251 | dname-to-secure.insecure.example. 3600 IN DNAME dname-secure.example. | |
11886ab9 PL |
252 | """, |
253 | 'optout.example': """ | |
254 | optout.example. 3600 IN SOA {soa} | |
255 | optout.example. 3600 IN NS ns1.optout.example. | |
256 | ns1.optout.example. 3600 IN A {prefix}.14 | |
257 | ||
258 | insecure.optout.example. 3600 IN NS ns1.insecure.optout.example. | |
259 | ns1.insecure.optout.example. 3600 IN A {prefix}.15 | |
260 | ||
261 | secure.optout.example. 3600 IN NS ns1.secure.optout.example. | |
262 | secure.optout.example. 3600 IN DS 64215 13 1 b88284d7a8d8605c398e8942262f97b9a5a31787 | |
263 | ns1.secure.optout.example. 3600 IN A {prefix}.15 | |
264 | """, | |
265 | 'insecure.optout.example': """ | |
266 | insecure.optout.example. 3600 IN SOA {soa} | |
267 | insecure.optout.example. 3600 IN NS ns1.insecure.optout.example. | |
268 | ns1.insecure.optout.example. 3600 IN A {prefix}.15 | |
269 | ||
270 | node1.insecure.optout.example. 3600 IN A 192.0.2.7 | |
271 | """, | |
272 | 'secure.optout.example': """ | |
273 | secure.optout.example. 3600 IN SOA {soa} | |
274 | secure.optout.example. 3600 IN NS ns1.secure.optout.example. | |
275 | ns1.secure.optout.example. 3600 IN A {prefix}.15 | |
276 | ||
277 | node1.secure.optout.example. 3600 IN A 192.0.2.8 | |
3bebf5f0 PL |
278 | """, |
279 | 'islandofsecurity.example': """ | |
280 | islandofsecurity.example. 3600 IN SOA {soa} | |
281 | islandofsecurity.example. 3600 IN NS ns1.islandofsecurity.example. | |
282 | ns1.islandofsecurity.example. 3600 IN A {prefix}.9 | |
283 | ||
284 | node1.islandofsecurity.example. 3600 IN A 192.0.2.20 | |
3a7ddb0b PL |
285 | """, |
286 | 'undelegated.secure.example': """ | |
287 | undelegated.secure.example. 3600 IN SOA {soa} | |
288 | undelegated.secure.example. 3600 IN NS ns1.undelegated.secure.example. | |
289 | ||
290 | node1.undelegated.secure.example. 3600 IN A 192.0.2.21 | |
291 | """, | |
292 | 'undelegated.insecure.example': """ | |
293 | undelegated.insecure.example. 3600 IN SOA {soa} | |
294 | undelegated.insecure.example. 3600 IN NS ns1.undelegated.insecure.example. | |
295 | ||
296 | node1.undelegated.insecure.example. 3600 IN A 192.0.2.22 | |
297 | """, | |
c51c551e | 298 | |
a79f06c4 OM |
299 | 'delay1.example': """ |
300 | delay1.example. 3600 IN SOA {soa} | |
301 | delay1.example. 3600 IN NS n1.delay1.example. | |
302 | ns1.delay1.example. 3600 IN A {prefix}.16 | |
a2f9c045 | 303 | 8.delay1.example. 3600 IN A 192.0.2.100 |
a79f06c4 | 304 | *.delay1.example. 0 LUA TXT ";" "local socket=require('socket')" "socket.sleep(tonumber(qname:getRawLabels()[1])/10)" "return 'a'" |
a2f9c045 | 305 | *.delay1.example. 0 LUA AAAA ";" "local socket=require('socket')" "socket.sleep(tonumber(qname:getRawLabels()[1])/10)" "return '1::2'" |
a79f06c4 OM |
306 | """, |
307 | ||
308 | 'delay2.example': """ | |
309 | delay2.example. 3600 IN SOA {soa} | |
310 | delay2.example. 3600 IN NS n1.delay2.example. | |
311 | ns1.delay2.example. 3600 IN A {prefix}.17 | |
312 | *.delay2.example. 0 LUA TXT ";" "local socket=require('socket')" "socket.sleep(tonumber(qname:getRawLabels()[1])/10)" "return 'a'" | |
c51c551e | 313 | """ |
7568b07d PL |
314 | } |
315 | ||
316 | # The private keys for the zones (note that DS records should go into | |
317 | # the zonecontent in _zones | |
318 | _zone_keys = { | |
319 | 'ROOT': """ | |
320 | Private-key-format: v1.2 | |
321 | Algorithm: 13 (ECDSAP256SHA256) | |
322 | PrivateKey: rhWuEydDz3QaIspSVj683B8Xq5q/ozzA38XUgzD4Fbo= | |
323 | """, | |
324 | ||
325 | 'example': """ | |
326 | Private-key-format: v1.2 | |
327 | Algorithm: 13 (ECDSAP256SHA256) | |
328 | PrivateKey: Lt0v0Gol3pRUFM7fDdcy0IWN0O/MnEmVPA+VylL8Y4U= | |
329 | """, | |
330 | ||
331 | 'secure.example': """ | |
332 | Private-key-format: v1.2 | |
333 | Algorithm: 13 (ECDSAP256SHA256) | |
334 | PrivateKey: 1G4WRoOFJJXk+fotDCHVORtJmIG2OUhKi8AO2jDPGZA= | |
335 | """, | |
336 | ||
337 | 'bogus.example': """ | |
338 | Private-key-format: v1.2 | |
339 | Algorithm: 13 (ECDSAP256SHA256) | |
340 | PrivateKey: f5jV7Q8kd5hDpMWObsuQ6SQda0ftf+JrO3uZwEg6nVw= | |
341 | """, | |
11886ab9 PL |
342 | |
343 | 'optout.example': """ | |
344 | Private-key-format: v1.2 | |
345 | Algorithm: 13 (ECDSAP256SHA256) | |
346 | PrivateKey: efmq9G+J4Y2iPnIBRwJiy6Z/nIHSzpsCy/7XHhlS19A= | |
347 | """, | |
348 | ||
349 | 'secure.optout.example': """ | |
350 | Private-key-format: v1.2 | |
351 | Algorithm: 13 (ECDSAP256SHA256) | |
352 | PrivateKey: xcNUxt1Knj14A00lKQFDboluiJyM2f7FxpgsQaQ3AQ4= | |
3bebf5f0 PL |
353 | """, |
354 | ||
355 | 'islandofsecurity.example': """ | |
356 | Private-key-format: v1.2 | |
357 | Algorithm: 13 (ECDSAP256SHA256) | |
358 | PrivateKey: o9F5iix8V68tnMcuOaM2Lt8XXhIIY//SgHIHEePk6cM= | |
d5b8ccd4 PL |
359 | """, |
360 | ||
361 | 'cname-secure.example': """ | |
362 | Private-key-format: v1.2 | |
363 | Algorithm: 13 (ECDSAP256SHA256) | |
364 | PrivateKey: kvoV/g4IO/tefSro+FLJ5UC7H3BUf0IUtZQSUOfQGyA= | |
9516e835 PL |
365 | """, |
366 | ||
367 | 'dname-secure.example': """ | |
368 | Private-key-format: v1.2 | |
369 | Algorithm: 13 (ECDSAP256SHA256) | |
370 | PrivateKey: Ep9uo6+wwjb4MaOmqq7LHav2FLrjotVOeZg8JT1Qk04= | |
4709a495 OM |
371 | """, |
372 | ||
373 | 'delay1.example': """ | |
374 | Private-key-format: v1.2 | |
375 | Algorithm: 13 (ECDSAP256SHA256) | |
376 | PrivateKey: Ep9uo6+wwjb4MaOmqq7LHav2FLrjotVOeZg8JT1Qk04= | |
377 | """, | |
378 | ||
379 | 'delay2.example': """ | |
380 | Private-key-format: v1.2 | |
381 | Algorithm: 13 (ECDSAP256SHA256) | |
382 | PrivateKey: Ep9uo6+wwjb4MaOmqq7LHav2FLrjotVOeZg8JT1Qk04= | |
d5b8ccd4 | 383 | """ |
7568b07d PL |
384 | } |
385 | ||
386 | # This dict is keyed with the suffix of the IP address and its value | |
387 | # is a list of zones hosted on that IP. Note that delegations should | |
388 | # go into the _zones's zonecontent | |
389 | _auth_zones = { | |
c51c551e OM |
390 | '8': {'threads': 1, |
391 | 'zones': ['ROOT']}, | |
392 | '9': {'threads': 1, | |
393 | 'zones': ['secure.example', 'islandofsecurity.example']}, | |
394 | '10': {'threads': 1, | |
395 | 'zones': ['example']}, | |
4709a495 OM |
396 | |
397 | # 11 is used by CircleCI provided resolver | |
398 | ||
c51c551e OM |
399 | '12': {'threads': 1, |
400 | 'zones': ['bogus.example', 'undelegated.secure.example', 'undelegated.insecure.example']}, | |
401 | '13': {'threads': 1, | |
402 | 'zones': ['insecure.example', 'insecure.sub2.secure.example', 'dname-secure.example']}, | |
403 | '14': {'threads': 1, | |
404 | 'zones': ['optout.example']}, | |
405 | '15': {'threads': 1, | |
406 | 'zones': ['insecure.optout.example', 'secure.optout.example', 'cname-secure.example']}, | |
a79f06c4 OM |
407 | '16': {'threads': 2, |
408 | 'zones': ['delay1.example']}, | |
409 | '17': {'threads': 2, | |
4709a495 OM |
410 | 'zones': ['delay2.example']}, |
411 | '18': {'threads': 1, | |
412 | 'zones': ['example']} | |
7568b07d | 413 | } |
0cfe4767 OM |
414 | # Other IPs used: |
415 | # 2: test_Interop.py | |
416 | # 3-7: free? | |
417 | # 19: free? | |
418 | # 20: free? | |
419 | # 21: test_ECS.py | |
420 | # 22: test_EDNSBuffer.py | |
421 | # 23: test_Lua.py | |
422 | # 24: test_RoutingTag.py | |
7568b07d | 423 | |
cb54e9b5 PL |
424 | _auth_cmd = ['authbind', |
425 | os.environ['PDNS']] | |
426 | _auth_env = {} | |
7568b07d PL |
427 | _auths = {} |
428 | ||
429 | @classmethod | |
430 | def createConfigDir(cls, confdir): | |
431 | try: | |
432 | shutil.rmtree(confdir) | |
433 | except OSError as e: | |
434 | if e.errno != errno.ENOENT: | |
435 | raise | |
7a0ea291 | 436 | os.mkdir(confdir, 0o755) |
7568b07d PL |
437 | |
438 | @classmethod | |
439 | def generateAuthZone(cls, confdir, zonename, zonecontent): | |
440 | with open(os.path.join(confdir, '%s.zone' % zonename), 'w') as zonefile: | |
441 | zonefile.write(zonecontent.format(prefix=cls._PREFIX, soa=cls._SOA)) | |
442 | ||
443 | @classmethod | |
444 | def generateAuthNamedConf(cls, confdir, zones): | |
445 | with open(os.path.join(confdir, 'named.conf'), 'w') as namedconf: | |
446 | namedconf.write(""" | |
447 | options { | |
448 | directory "%s"; | |
449 | };""" % confdir) | |
450 | for zonename in zones: | |
451 | zone = '.' if zonename == 'ROOT' else zonename | |
452 | ||
453 | namedconf.write(""" | |
454 | zone "%s" { | |
455 | type master; | |
456 | file "%s.zone"; | |
457 | };""" % (zone, zonename)) | |
458 | ||
459 | @classmethod | |
c51c551e | 460 | def generateAuthConfig(cls, confdir, threads): |
7568b07d PL |
461 | bind_dnssec_db = os.path.join(confdir, 'bind-dnssec.sqlite3') |
462 | ||
463 | with open(os.path.join(confdir, 'pdns.conf'), 'w') as pdnsconf: | |
464 | pdnsconf.write(""" | |
465 | module-dir=../regression-tests/modules | |
466 | launch=bind | |
467 | daemon=no | |
7568b07d PL |
468 | bind-config={confdir}/named.conf |
469 | bind-dnssec-db={bind_dnssec_db} | |
470 | socket-dir={confdir} | |
471 | cache-ttl=0 | |
472 | negquery-cache-ttl=0 | |
473 | query-cache-ttl=0 | |
474 | log-dns-queries=yes | |
475 | log-dns-details=yes | |
476 | loglevel=9 | |
c51c551e | 477 | enable-lua-records |
9516e835 | 478 | dname-processing=yes |
c51c551e OM |
479 | distributor-threads={threads}""".format(confdir=confdir, |
480 | bind_dnssec_db=bind_dnssec_db, | |
481 | threads=threads)) | |
7568b07d PL |
482 | |
483 | pdnsutilCmd = [os.environ['PDNSUTIL'], | |
484 | '--config-dir=%s' % confdir, | |
485 | 'create-bind-db', | |
486 | bind_dnssec_db] | |
487 | ||
7a0ea291 | 488 | print(' '.join(pdnsutilCmd)) |
7568b07d PL |
489 | try: |
490 | subprocess.check_output(pdnsutilCmd, stderr=subprocess.STDOUT) | |
491 | except subprocess.CalledProcessError as e: | |
ff0bc6a6 | 492 | raise AssertionError('%s failed (%d): %s' % (pdnsutilCmd, e.returncode, e.output)) |
7568b07d PL |
493 | |
494 | @classmethod | |
495 | def secureZone(cls, confdir, zonename, key=None): | |
496 | zone = '.' if zonename == 'ROOT' else zonename | |
497 | if not key: | |
498 | pdnsutilCmd = [os.environ['PDNSUTIL'], | |
499 | '--config-dir=%s' % confdir, | |
500 | 'secure-zone', | |
501 | zone] | |
502 | else: | |
503 | keyfile = os.path.join(confdir, 'dnssec.key') | |
504 | with open(keyfile, 'w') as fdKeyfile: | |
505 | fdKeyfile.write(key) | |
506 | ||
507 | pdnsutilCmd = [os.environ['PDNSUTIL'], | |
508 | '--config-dir=%s' % confdir, | |
509 | 'import-zone-key', | |
510 | zone, | |
511 | keyfile, | |
512 | 'active', | |
513 | 'ksk'] | |
514 | ||
7a0ea291 | 515 | print(' '.join(pdnsutilCmd)) |
7568b07d PL |
516 | try: |
517 | subprocess.check_output(pdnsutilCmd, stderr=subprocess.STDOUT) | |
518 | except subprocess.CalledProcessError as e: | |
ff0bc6a6 | 519 | raise AssertionError('%s failed (%d): %s' % (pdnsutilCmd, e.returncode, e.output)) |
7568b07d PL |
520 | |
521 | @classmethod | |
522 | def generateAllAuthConfig(cls, confdir): | |
523 | if cls._auth_zones: | |
c51c551e OM |
524 | for auth_suffix, zoneinfo in cls._auth_zones.items(): |
525 | threads = zoneinfo['threads'] | |
526 | zones = zoneinfo['zones'] | |
7568b07d PL |
527 | authconfdir = os.path.join(confdir, 'auth-%s' % auth_suffix) |
528 | ||
529 | os.mkdir(authconfdir) | |
530 | ||
c51c551e | 531 | cls.generateAuthConfig(authconfdir, threads) |
7568b07d PL |
532 | cls.generateAuthNamedConf(authconfdir, zones) |
533 | ||
11886ab9 PL |
534 | for zone in zones: |
535 | cls.generateAuthZone(authconfdir, | |
536 | zone, | |
537 | cls._zones[zone]) | |
538 | if cls._zone_keys.get(zone, None): | |
539 | cls.secureZone(authconfdir, zone, cls._zone_keys.get(zone)) | |
7568b07d PL |
540 | |
541 | @classmethod | |
542 | def startAllAuth(cls, confdir): | |
543 | if cls._auth_zones: | |
544 | for auth_suffix, _ in cls._auth_zones.items(): | |
545 | authconfdir = os.path.join(confdir, 'auth-%s' % auth_suffix) | |
546 | ipaddress = cls._PREFIX + '.' + auth_suffix | |
547 | cls.startAuth(authconfdir, ipaddress) | |
548 | ||
70542ce3 O |
549 | @classmethod |
550 | def waitForTCPSocket(cls, ipaddress, port): | |
551 | for try_number in range(0, 100): | |
552 | try: | |
553 | sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
b7bb0ed5 | 554 | sock.settimeout(1.0) |
70542ce3 O |
555 | sock.connect((ipaddress, port)) |
556 | sock.close() | |
557 | return | |
558 | except Exception as err: | |
559 | if err.errno != errno.ECONNREFUSED: | |
560 | print(f'Error occurred: {try_number} {err}', file=sys.stderr) | |
561 | time.sleep(0.1) | |
562 | ||
7568b07d PL |
563 | @classmethod |
564 | def startAuth(cls, confdir, ipaddress): | |
565 | print("Launching pdns_server..") | |
11886ab9 | 566 | authcmd = list(cls._auth_cmd) |
cb54e9b5 | 567 | authcmd.append('--config-dir=%s' % confdir) |
2d0fc474 O |
568 | ipconfig = ipaddress |
569 | # auth-8 is the auth serving the root, it gets an ipv6 address | |
570 | if (confdir[-6:] == "auth-8") and have_ipv6(): | |
571 | ipconfig += ',::1' | |
572 | authcmd.append('--local-address=%s' % ipconfig) | |
7568b07d PL |
573 | print(' '.join(authcmd)) |
574 | ||
575 | logFile = os.path.join(confdir, 'pdns.log') | |
576 | with open(logFile, 'w') as fdLog: | |
577 | cls._auths[ipaddress] = subprocess.Popen(authcmd, close_fds=True, | |
cb54e9b5 PL |
578 | stdout=fdLog, stderr=fdLog, |
579 | env=cls._auth_env) | |
7568b07d | 580 | |
70542ce3 | 581 | cls.waitForTCPSocket(ipaddress, 53) |
7568b07d PL |
582 | |
583 | if cls._auths[ipaddress].poll() is not None: | |
32a17637 OM |
584 | print(f"\n*** startAuth log for {logFile} ***") |
585 | with open(logFile, 'r') as fdLog: | |
586 | print(fdLog.read()) | |
587 | print(f"*** End startAuth log for {logFile} ***") | |
588 | raise AssertionError('%s failed (%d)' % (authcmd, cls._auths[ipaddress].returncode)) | |
7568b07d PL |
589 | |
590 | @classmethod | |
591 | def generateRecursorConfig(cls, confdir): | |
592 | params = tuple([getattr(cls, param) for param in cls._config_params]) | |
593 | if len(params): | |
594 | print(params) | |
595 | ||
596 | recursorconf = os.path.join(confdir, 'recursor.conf') | |
597 | ||
598 | with open(recursorconf, 'w') as conf: | |
599 | conf.write("# Autogenerated by recursortests.py\n") | |
600 | conf.write(cls._config_template_default) | |
601 | conf.write(cls._config_template % params) | |
602 | conf.write("\n") | |
603 | conf.write("socket-dir=%s\n" % confdir) | |
604 | if cls._lua_config_file or cls._root_DS: | |
605 | luaconfpath = os.path.join(confdir, 'conffile.lua') | |
606 | with open(luaconfpath, 'w') as luaconf: | |
607 | if cls._root_DS: | |
8f29eeaa | 608 | luaconf.write("addTA('.', '%s')\n" % cls._root_DS) |
7568b07d PL |
609 | if cls._lua_config_file: |
610 | luaconf.write(cls._lua_config_file) | |
611 | conf.write("lua-config-file=%s\n" % luaconfpath) | |
18e0e4df RG |
612 | if cls._lua_dns_script_file: |
613 | luascriptpath = os.path.join(confdir, 'dnsscript.lua') | |
614 | with open(luascriptpath, 'w') as luascript: | |
615 | luascript.write(cls._lua_dns_script_file) | |
616 | conf.write("lua-dns-script=%s\n" % luascriptpath) | |
7568b07d PL |
617 | if cls._roothints: |
618 | roothintspath = os.path.join(confdir, 'root.hints') | |
619 | with open(roothintspath, 'w') as roothints: | |
620 | roothints.write(cls._roothints) | |
621 | conf.write("hint-file=%s\n" % roothintspath) | |
622 | ||
962a980d PL |
623 | @classmethod |
624 | def startResponders(cls): | |
625 | pass | |
626 | ||
7568b07d PL |
627 | @classmethod |
628 | def startRecursor(cls, confdir, port): | |
629 | print("Launching pdns_recursor..") | |
630 | recursorcmd = [os.environ['PDNSRECURSOR'], | |
631 | '--config-dir=%s' % confdir, | |
962a980d PL |
632 | '--local-port=%s' % port, |
633 | '--security-poll-suffix='] | |
7568b07d PL |
634 | print(' '.join(recursorcmd)) |
635 | ||
636 | logFile = os.path.join(confdir, 'recursor.log') | |
637 | with open(logFile, 'w') as fdLog: | |
638 | cls._recursor = subprocess.Popen(recursorcmd, close_fds=True, | |
639 | stdout=fdLog, stderr=fdLog) | |
640 | ||
70542ce3 | 641 | cls.waitForTCPSocket("127.0.0.1", port) |
7568b07d PL |
642 | |
643 | if cls._recursor.poll() is not None: | |
32a17637 OM |
644 | print(f"\n*** startRecursor log for {logFile} ***") |
645 | with open(logFile, 'r') as fdLog: | |
646 | print(fdLog.read()) | |
647 | print(f"*** End startRecursor log for {logFile} ***") | |
ff84d74b | 648 | raise AssertionError('%s failed (%d)' % (recursorcmd, cls._recursor.returncode)) |
7568b07d PL |
649 | |
650 | @classmethod | |
7d3d2f4f | 651 | def wipeRecursorCache(cls, confdir, name='.$'): |
7568b07d PL |
652 | rec_controlCmd = [os.environ['RECCONTROL'], |
653 | '--config-dir=%s' % confdir, | |
654 | 'wipe-cache', | |
7d3d2f4f | 655 | name] |
7568b07d PL |
656 | try: |
657 | subprocess.check_output(rec_controlCmd, stderr=subprocess.STDOUT) | |
658 | except subprocess.CalledProcessError as e: | |
ff0bc6a6 | 659 | raise AssertionError('%s failed (%d): %s' % (rec_controlCmd, e.returncode, e.output)) |
7568b07d PL |
660 | |
661 | @classmethod | |
662 | def setUpSockets(cls): | |
663 | print("Setting up UDP socket..") | |
664 | cls._sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) | |
665 | cls._sock.settimeout(2.0) | |
666 | cls._sock.connect(("127.0.0.1", cls._recursorPort)) | |
667 | ||
668 | @classmethod | |
669 | def setUpClass(cls): | |
670 | cls.setUpSockets() | |
962a980d PL |
671 | |
672 | cls.startResponders() | |
673 | ||
7568b07d PL |
674 | confdir = os.path.join('configs', cls._confdir) |
675 | cls.createConfigDir(confdir) | |
676 | cls.generateAllAuthConfig(confdir) | |
677 | cls.startAllAuth(confdir) | |
678 | ||
679 | cls.generateRecursorConfig(confdir) | |
680 | cls.startRecursor(confdir, cls._recursorPort) | |
681 | ||
682 | print("Launching tests..") | |
683 | ||
684 | @classmethod | |
685 | def tearDownClass(cls): | |
686 | cls.tearDownRecursor() | |
687 | cls.tearDownAuth() | |
962a980d PL |
688 | cls.tearDownResponders() |
689 | ||
690 | @classmethod | |
691 | def tearDownResponders(cls): | |
692 | pass | |
7568b07d PL |
693 | |
694 | @classmethod | |
70542ce3 | 695 | def killProcess(cls, p): |
32a17637 OM |
696 | # Don't try to kill it if it's already dead |
697 | if p.poll() is not None: | |
698 | return | |
7568b07d | 699 | try: |
70542ce3 O |
700 | p.terminate() |
701 | for count in range(10): | |
702 | x = p.poll() | |
703 | if x is not None: | |
704 | break | |
705 | time.sleep(0.1) | |
706 | if x is None: | |
707 | print("kill...", p, file=sys.stderr) | |
708 | p.kill() | |
709 | p.wait() | |
7568b07d PL |
710 | except OSError as e: |
711 | # There is a race-condition with the poll() and | |
712 | # kill() statements, when the process is dead on the | |
713 | # kill(), this is fine | |
714 | if e.errno != errno.ESRCH: | |
715 | raise | |
716 | ||
70542ce3 O |
717 | @classmethod |
718 | def tearDownAuth(cls): | |
719 | for _, auth in cls._auths.items(): | |
720 | cls.killProcess(auth); | |
721 | ||
722 | @classmethod | |
723 | def tearDownRecursor(cls): | |
724 | cls.killProcess(cls._recursor) | |
725 | ||
7568b07d | 726 | @classmethod |
fb611f07 | 727 | def sendUDPQuery(cls, query, timeout=2.0, decode=True, fwparams=dict()): |
7568b07d PL |
728 | if timeout: |
729 | cls._sock.settimeout(timeout) | |
730 | ||
731 | try: | |
732 | cls._sock.send(query.to_wire()) | |
733 | data = cls._sock.recv(4096) | |
734 | except socket.timeout: | |
735 | data = None | |
736 | finally: | |
737 | if timeout: | |
738 | cls._sock.settimeout(None) | |
739 | ||
740 | message = None | |
741 | if data: | |
fb611f07 RG |
742 | if not decode: |
743 | return data | |
554c69f9 | 744 | message = dns.message.from_wire(data, **fwparams) |
7568b07d PL |
745 | return message |
746 | ||
747 | @classmethod | |
748 | def sendTCPQuery(cls, query, timeout=2.0): | |
749 | sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
750 | if timeout: | |
751 | sock.settimeout(timeout) | |
752 | ||
753 | sock.connect(("127.0.0.1", cls._recursorPort)) | |
754 | ||
755 | try: | |
756 | wire = query.to_wire() | |
757 | sock.send(struct.pack("!H", len(wire))) | |
758 | sock.send(wire) | |
759 | data = sock.recv(2) | |
760 | if data: | |
761 | (datalen,) = struct.unpack("!H", data) | |
762 | data = sock.recv(datalen) | |
763 | except socket.timeout as e: | |
764 | print("Timeout: %s" % (str(e))) | |
765 | data = None | |
766 | except socket.error as e: | |
767 | print("Network error: %s" % (str(e))) | |
768 | data = None | |
769 | finally: | |
770 | sock.close() | |
771 | ||
772 | message = None | |
773 | if data: | |
774 | message = dns.message.from_wire(data) | |
775 | return message | |
776 | ||
c51c551e OM |
777 | @classmethod |
778 | def sendTCPQueries(cls, queries, timeout=2.0): | |
779 | sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
780 | if timeout: | |
781 | sock.settimeout(timeout) | |
782 | ||
783 | sock.connect(("127.0.0.1", cls._recursorPort)) | |
784 | data = [] | |
785 | try: | |
786 | for query in queries: | |
787 | wire = query.to_wire() | |
788 | sock.send(struct.pack("!H", len(wire))) | |
789 | sock.send(wire) | |
790 | for i in range(len(queries)): | |
791 | try: | |
792 | datalen = sock.recv(2) | |
793 | if datalen: | |
794 | (datalen,) = struct.unpack("!H", datalen) | |
795 | data.append(sock.recv(datalen)) | |
796 | except socket.timeout as e: | |
797 | continue | |
798 | except socket.error as e: | |
799 | print("Network error: %s" % (str(e))) | |
800 | data = None | |
801 | finally: | |
802 | sock.close() | |
803 | ||
804 | messages = [] | |
805 | for d in data: | |
806 | messages.append(dns.message.from_wire(d)) | |
807 | return messages | |
808 | ||
7568b07d PL |
809 | def setUp(self): |
810 | # This function is called before every tests | |
753a8109 | 811 | super(RecursorTest, self).setUp() |
7568b07d PL |
812 | |
813 | ## Functions for comparisons | |
814 | def assertMessageHasFlags(self, msg, flags, ednsflags=[]): | |
815 | """Asserts that msg has all the flags from flags set | |
816 | ||
817 | @param msg: the dns.message.Message to check | |
818 | @param flags: a list of strings with flag mnemonics (like ['RD', 'RA']) | |
819 | @param ednsflags: a list of strings with edns-flag mnemonics (like ['DO'])""" | |
820 | ||
821 | if not isinstance(msg, dns.message.Message): | |
822 | raise TypeError("msg is not a dns.message.Message") | |
823 | ||
824 | if isinstance(flags, list): | |
825 | for elem in flags: | |
826 | if not isinstance(elem, str): | |
827 | raise TypeError("flags is not a list of strings") | |
828 | else: | |
829 | raise TypeError("flags is not a list of strings") | |
830 | ||
831 | if isinstance(ednsflags, list): | |
832 | for elem in ednsflags: | |
833 | if not isinstance(elem, str): | |
834 | raise TypeError("ednsflags is not a list of strings") | |
835 | else: | |
836 | raise TypeError("ednsflags is not a list of strings") | |
837 | ||
838 | msgFlags = dns.flags.to_text(msg.flags).split() | |
839 | missingFlags = [flag for flag in flags if flag not in msgFlags] | |
840 | ||
8b16b9c2 | 841 | msgEdnsFlags = dns.flags.edns_to_text(msg.ednsflags).split() |
7568b07d PL |
842 | missingEdnsFlags = [ednsflag for ednsflag in ednsflags if ednsflag not in msgEdnsFlags] |
843 | ||
844 | if len(missingFlags) or len(missingEdnsFlags) or len(msgFlags) > len(flags): | |
845 | raise AssertionError("Expected flags '%s' (EDNS: '%s'), found '%s' (EDNS: '%s') in query %s" % | |
846 | (' '.join(flags), ' '.join(ednsflags), | |
847 | ' '.join(msgFlags), ' '.join(msgEdnsFlags), | |
848 | msg.question[0])) | |
849 | ||
850 | def assertMessageIsAuthenticated(self, msg): | |
851 | """Asserts that the message has the AD bit set | |
852 | ||
853 | @param msg: the dns.message.Message to check""" | |
854 | ||
855 | if not isinstance(msg, dns.message.Message): | |
856 | raise TypeError("msg is not a dns.message.Message") | |
857 | ||
858 | msgFlags = dns.flags.to_text(msg.flags) | |
859 | self.assertTrue('AD' in msgFlags, "No AD flag found in the message for %s" % msg.question[0].name) | |
860 | ||
861 | def assertRRsetInAnswer(self, msg, rrset): | |
862 | """Asserts the rrset (without comparing TTL) exists in the | |
863 | answer section of msg | |
864 | ||
865 | @param msg: the dns.message.Message to check | |
866 | @param rrset: a dns.rrset.RRset object""" | |
867 | ||
868 | ret = '' | |
869 | if not isinstance(msg, dns.message.Message): | |
870 | raise TypeError("msg is not a dns.message.Message") | |
871 | ||
872 | if not isinstance(rrset, dns.rrset.RRset): | |
873 | raise TypeError("rrset is not a dns.rrset.RRset") | |
874 | ||
875 | found = False | |
876 | for ans in msg.answer: | |
877 | ret += "%s\n" % ans.to_text() | |
878 | if ans.match(rrset.name, rrset.rdclass, rrset.rdtype, 0, None): | |
de9650d1 | 879 | self.assertEqual(ans, rrset, "'%s' != '%s'" % (ans.to_text(), rrset.to_text())) |
7568b07d PL |
880 | found = True |
881 | ||
882 | if not found: | |
6552b37b | 883 | raise AssertionError("RRset not found in answer\n\n%s" % ret) |
7568b07d | 884 | |
1fc89740 OM |
885 | def assertRRsetInAdditional(self, msg, rrset): |
886 | """Asserts the rrset (without comparing TTL) exists in the | |
887 | additional section of msg | |
888 | ||
889 | @param msg: the dns.message.Message to check | |
890 | @param rrset: a dns.rrset.RRset object""" | |
891 | ||
892 | ret = '' | |
893 | if not isinstance(msg, dns.message.Message): | |
894 | raise TypeError("msg is not a dns.message.Message") | |
895 | ||
896 | if not isinstance(rrset, dns.rrset.RRset): | |
897 | raise TypeError("rrset is not a dns.rrset.RRset") | |
898 | ||
899 | found = False | |
900 | for ans in msg.additional: | |
901 | ret += "%s\n" % ans.to_text() | |
902 | if ans.match(rrset.name, rrset.rdclass, rrset.rdtype, 0, None): | |
903 | self.assertEqual(ans, rrset, "'%s' != '%s'" % (ans.to_text(), rrset.to_text())) | |
904 | found = True | |
905 | ||
906 | if not found: | |
907 | raise AssertionError("RRset not found in additional section\n\n%s" % ret) | |
908 | ||
7568b07d PL |
909 | def assertMatchingRRSIGInAnswer(self, msg, coveredRRset, keys=None): |
910 | """Looks for coveredRRset in the answer section and if there is an RRSIG RRset | |
911 | that covers that RRset. If keys is not None, this function will also try to | |
912 | validate the RRset against the RRSIG | |
913 | ||
914 | @param msg: The dns.message.Message to check | |
915 | @param coveredRRset: The RRSet to check for | |
916 | @param keys: a dictionary keyed by dns.name.Name with node or rdataset values to use for validation""" | |
917 | ||
918 | if not isinstance(msg, dns.message.Message): | |
919 | raise TypeError("msg is not a dns.message.Message") | |
920 | ||
921 | if not isinstance(coveredRRset, dns.rrset.RRset): | |
922 | raise TypeError("coveredRRset is not a dns.rrset.RRset") | |
923 | ||
924 | msgRRsigRRSet = None | |
925 | msgRRSet = None | |
926 | ||
927 | ret = '' | |
928 | for ans in msg.answer: | |
929 | ret += ans.to_text() + "\n" | |
930 | ||
931 | if ans.match(coveredRRset.name, coveredRRset.rdclass, coveredRRset.rdtype, 0, None): | |
932 | msgRRSet = ans | |
933 | if ans.match(coveredRRset.name, dns.rdataclass.IN, dns.rdatatype.RRSIG, coveredRRset.rdtype, None): | |
934 | msgRRsigRRSet = ans | |
935 | if msgRRSet and msgRRsigRRSet: | |
936 | break | |
937 | ||
938 | if not msgRRSet: | |
939 | raise AssertionError("RRset for '%s' not found in answer" % msg.question[0].to_text()) | |
940 | ||
941 | if not msgRRsigRRSet: | |
942 | raise AssertionError("No RRSIGs found in answer for %s:\nFull answer:\n%s" % (msg.question[0].to_text(), ret)) | |
943 | ||
944 | if keys: | |
945 | try: | |
946 | dns.dnssec.validate(msgRRSet, msgRRsigRRSet.to_rdataset(), keys) | |
947 | except dns.dnssec.ValidationFailure as e: | |
948 | raise AssertionError("Signature validation failed for %s:\n%s" % (msg.question[0].to_text(), e)) | |
949 | ||
1fc89740 OM |
950 | def assertMatchingRRSIGInAdditional(self, msg, coveredRRset, keys=None): |
951 | """Looks for coveredRRset in the additional section and if there is an RRSIG RRset | |
952 | that covers that RRset. If keys is not None, this function will also try to | |
953 | validate the RRset against the RRSIG | |
954 | ||
955 | @param msg: The dns.message.Message to check | |
956 | @param coveredRRset: The RRSet to check for | |
957 | @param keys: a dictionary keyed by dns.name.Name with node or rdataset values to use for validation""" | |
958 | ||
959 | if not isinstance(msg, dns.message.Message): | |
960 | raise TypeError("msg is not a dns.message.Message") | |
961 | ||
962 | if not isinstance(coveredRRset, dns.rrset.RRset): | |
963 | raise TypeError("coveredRRset is not a dns.rrset.RRset") | |
964 | ||
965 | msgRRsigRRSet = None | |
966 | msgRRSet = None | |
967 | ||
968 | ret = '' | |
969 | for ans in msg.additional: | |
970 | ret += ans.to_text() + "\n" | |
971 | ||
972 | if ans.match(coveredRRset.name, coveredRRset.rdclass, coveredRRset.rdtype, 0, None): | |
973 | msgRRSet = ans | |
974 | if ans.match(coveredRRset.name, dns.rdataclass.IN, dns.rdatatype.RRSIG, coveredRRset.rdtype, None): | |
975 | msgRRsigRRSet = ans | |
976 | if msgRRSet and msgRRsigRRSet: | |
977 | break | |
978 | ||
979 | if not msgRRSet: | |
980 | raise AssertionError("RRset for '%s' not found in additional" % msg.question[0].to_text()) | |
981 | ||
982 | if not msgRRsigRRSet: | |
983 | raise AssertionError("No RRSIGs found in additional for %s:\nFull answer:\n%s" % (msg.question[0].to_text(), ret)) | |
984 | ||
985 | if keys: | |
986 | try: | |
987 | dns.dnssec.validate(msgRRSet, msgRRsigRRSet.to_rdataset(), keys) | |
988 | except dns.dnssec.ValidationFailure as e: | |
989 | raise AssertionError("Signature validation failed for %s:\n%s" % (msg.question[0].to_text(), e)) | |
990 | ||
7568b07d PL |
991 | def assertNoRRSIGsInAnswer(self, msg): |
992 | """Checks if there are _no_ RRSIGs in the answer section of msg""" | |
993 | ||
994 | if not isinstance(msg, dns.message.Message): | |
995 | raise TypeError("msg is not a dns.message.Message") | |
996 | ||
997 | ret = "" | |
998 | for ans in msg.answer: | |
999 | if ans.rdtype == dns.rdatatype.RRSIG: | |
1000 | ret += ans.name.to_text() + "\n" | |
1001 | ||
1002 | if len(ret): | |
1003 | raise AssertionError("RRSIG found in answers for:\n%s" % ret) | |
1004 | ||
1005 | def assertAnswerEmpty(self, msg): | |
1006 | self.assertTrue(len(msg.answer) == 0, "Data found in the the answer section for %s:\n%s" % (msg.question[0].to_text(), '\n'.join([i.to_text() for i in msg.answer]))) | |
1007 | ||
1fc89740 OM |
1008 | def assertAdditionalEmpty(self, msg): |
1009 | self.assertTrue(len(msg.additional) == 0, "Data found in the the additional section for %s:\n%s" % (msg.question[0].to_text(), '\n'.join([i.to_text() for i in msg.additional]))) | |
1010 | ||
7568b07d PL |
1011 | def assertRcodeEqual(self, msg, rcode): |
1012 | if not isinstance(msg, dns.message.Message): | |
1013 | raise TypeError("msg is not a dns.message.Message but a %s" % type(msg)) | |
1014 | ||
1015 | if not isinstance(rcode, int): | |
1016 | if isinstance(rcode, str): | |
1017 | rcode = dns.rcode.from_text(rcode) | |
1018 | else: | |
1019 | raise TypeError("rcode is neither a str nor int") | |
1020 | ||
1021 | if msg.rcode() != rcode: | |
3d144e24 PD |
1022 | msgRcode = dns.rcode.to_text(msg.rcode()) |
1023 | wantedRcode = dns.rcode.to_text(rcode) | |
7568b07d PL |
1024 | |
1025 | raise AssertionError("Rcode for %s is %s, expected %s." % (msg.question[0].to_text(), msgRcode, wantedRcode)) | |
05537f80 PL |
1026 | |
1027 | def assertAuthorityHasSOA(self, msg): | |
1028 | if not isinstance(msg, dns.message.Message): | |
1029 | raise TypeError("msg is not a dns.message.Message but a %s" % type(msg)) | |
1030 | ||
1031 | found = False | |
1032 | for rrset in msg.authority: | |
1033 | if rrset.rdtype == dns.rdatatype.SOA: | |
1034 | found = True | |
1035 | break | |
1036 | ||
1037 | if not found: | |
1038 | raise AssertionError("No SOA record found in the authority section:\n%s" % msg.to_text()) | |
f3f19ebe PL |
1039 | |
1040 | def assertResponseMatches(self, query, expectedRRs, response): | |
1041 | expectedResponse = dns.message.make_response(query) | |
1042 | ||
1043 | if query.flags & dns.flags.RD: | |
1044 | expectedResponse.flags |= dns.flags.RA | |
1045 | if query.flags & dns.flags.CD: | |
1046 | expectedResponse.flags |= dns.flags.CD | |
1047 | ||
1048 | expectedResponse.answer = expectedRRs | |
1049 | print(expectedResponse) | |
1050 | print(response) | |
4bfebc93 | 1051 | self.assertEqual(response, expectedResponse) |
c5b0071d RG |
1052 | |
1053 | @classmethod | |
1054 | def sendQuery(cls, name, rdtype, useTCP=False): | |
1055 | """Helper function that creates the query""" | |
1056 | msg = dns.message.make_query(name, rdtype, want_dnssec=True) | |
1057 | msg.flags |= dns.flags.AD | |
1058 | ||
1059 | if useTCP: | |
1060 | return cls.sendTCPQuery(msg) | |
1061 | return cls.sendUDPQuery(msg) | |
1062 | ||
1063 | def createQuery(self, name, rdtype, flags, ednsflags): | |
1064 | """Helper function that creates the query with the specified flags. | |
1065 | The flags need to be strings (no checking is performed atm)""" | |
1066 | msg = dns.message.make_query(name, rdtype) | |
1067 | msg.flags = dns.flags.from_text(flags) | |
1068 | msg.flags += dns.flags.from_text('RD') | |
1069 | msg.use_edns(edns=0, ednsflags=dns.flags.edns_from_text(ednsflags)) | |
1070 | return msg | |
9166ee1b RG |
1071 | |
1072 | @classmethod | |
1073 | def sendUDPQueryWithProxyProtocol(cls, query, v6, source, destination, sourcePort, destinationPort, values=[], timeout=2.0): | |
1074 | queryPayload = query.to_wire() | |
1075 | ppPayload = ProxyProtocol.getPayload(False, False, v6, source, destination, sourcePort, destinationPort, values) | |
1076 | payload = ppPayload + queryPayload | |
1077 | ||
1078 | if timeout: | |
1079 | cls._sock.settimeout(timeout) | |
1080 | ||
1081 | try: | |
1082 | cls._sock.send(payload) | |
1083 | data = cls._sock.recv(4096) | |
1084 | except socket.timeout: | |
1085 | data = None | |
1086 | finally: | |
1087 | if timeout: | |
1088 | cls._sock.settimeout(None) | |
1089 | ||
1090 | message = None | |
1091 | if data: | |
1092 | message = dns.message.from_wire(data) | |
1093 | return message | |
1094 | ||
1095 | @classmethod | |
1096 | def sendTCPQueryWithProxyProtocol(cls, query, v6, source, destination, sourcePort, destinationPort, values=[], timeout=2.0): | |
1097 | queryPayload = query.to_wire() | |
1098 | ppPayload = ProxyProtocol.getPayload(False, False, v6, source, destination, sourcePort, destinationPort, values) | |
1099 | ||
1100 | sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
1101 | if timeout: | |
1102 | sock.settimeout(timeout) | |
1103 | ||
1104 | sock.connect(("127.0.0.1", cls._recursorPort)) | |
1105 | ||
1106 | try: | |
1107 | sock.send(ppPayload) | |
1108 | sock.send(struct.pack("!H", len(queryPayload))) | |
1109 | sock.send(queryPayload) | |
1110 | data = sock.recv(2) | |
1111 | if data: | |
1112 | (datalen,) = struct.unpack("!H", data) | |
1113 | data = sock.recv(datalen) | |
1114 | except socket.timeout as e: | |
1115 | print("Timeout: %s" % (str(e))) | |
1116 | data = None | |
1117 | except socket.error as e: | |
1118 | print("Network error: %s" % (str(e))) | |
1119 | data = None | |
1120 | finally: | |
1121 | sock.close() | |
1122 | ||
1123 | message = None | |
1124 | if data: | |
1125 | message = dns.message.from_wire(data) | |
1126 | return message |