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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 | ||
42 | _recursorStartupDelay = 2.0 | |
43 | _recursorPort = 5300 | |
44 | ||
45 | _recursor = None | |
46 | ||
47 | _PREFIX = os.environ['PREFIX'] | |
48 | ||
49 | _config_template_default = """ | |
50 | daemon=no | |
51 | trace=yes | |
52 | dont-query= | |
53 | local-address=127.0.0.1 | |
54 | packetcache-ttl=0 | |
55 | packetcache-servfail-ttl=0 | |
56 | max-cache-ttl=15 | |
57 | threads=1 | |
58 | loglevel=9 | |
59 | disable-syslog=yes | |
949cd0f2 | 60 | log-common-errors=yes |
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 PL |
123 | |
124 | insecure-formerr.example. 3600 IN NS ns1.insecure-formerr.example. | |
125 | ns1.insecure-formerr.example. 3600 IN A {prefix}.2 | |
3bebf5f0 | 126 | |
9a0b88e8 RG |
127 | ecs-echo.example. 3600 IN NS ns1.ecs-echo.example. |
128 | ns1.ecs-echo.example. 3600 IN A {prefix}.21 | |
129 | ||
3bebf5f0 PL |
130 | islandofsecurity.example. 3600 IN NS ns1.islandofsecurity.example. |
131 | ns1.islandofsecurity.example. 3600 IN A {prefix}.9 | |
2fed5be3 PD |
132 | |
133 | sortcname.example. 3600 IN CNAME sort | |
134 | sort.example. 3600 IN A 17.38.42.80 | |
135 | sort.example. 3600 IN A 192.168.0.1 | |
136 | sort.example. 3600 IN A 17.238.240.5 | |
137 | sort.example. 3600 IN MX 25 mx | |
c51c551e | 138 | |
a79f06c4 OM |
139 | delay1.example. 3600 IN NS ns1.delay1.example. |
140 | ns1.delay1.example. 3600 IN A {prefix}.16 | |
4709a495 OM |
141 | delay1.example. 3600 IN DS 42043 13 2 7319fa605cf117f36e3de070157577ebb9a05a1d1f963d80eda55b5d6e793eb2 |
142 | ||
a79f06c4 OM |
143 | delay2.example. 3600 IN NS ns1.delay2.example. |
144 | ns1.delay2.example. 3600 IN A {prefix}.17 | |
4709a495 | 145 | delay2.example. 3600 IN DS 42043 13 2 60a047b87740c8564c21d5fd34626c10a77a6c41e3b34564230119c2f13937b8 |
b7284b4d RG |
146 | |
147 | cname-nxd.example. 3600 IN CNAME cname-nxd-target.example. | |
148 | cname-nxd-target.example. 3600 IN A 192.0.2.100 | |
149 | cname-nodata.example. 3600 IN CNAME cname-nodata-target.example. | |
150 | cname-nodata-target.example. 3600 IN A 192.0.2.101 | |
151 | cname-custom-a.example. 3600 IN CNAME cname-custom-a-target.example. | |
152 | cname-custom-a-target.example. 3600 IN A 192.0.2.102 | |
7568b07d PL |
153 | """, |
154 | 'secure.example': """ | |
155 | secure.example. 3600 IN SOA {soa} | |
156 | secure.example. 3600 IN NS ns.secure.example. | |
157 | ns.secure.example. 3600 IN A {prefix}.9 | |
158 | ||
d5b8ccd4 PL |
159 | secure.example. 3600 IN A 192.0.2.17 |
160 | ||
7568b07d | 161 | host1.secure.example. 3600 IN A 192.0.2.2 |
05537f80 | 162 | cname.secure.example. 3600 IN CNAME host1.secure.example. |
6552b37b | 163 | cname-to-insecure.secure.example. 3600 IN CNAME node1.insecure.example. |
faa3b298 | 164 | cname-to-bogus.secure.example. 3600 IN CNAME ted.bogus.example. |
3bebf5f0 | 165 | cname-to-islandofsecurity.secure.example. 3600 IN CNAME node1.islandofsecurity.example. |
46419ee3 PL |
166 | |
167 | host1.sub.secure.example. 3600 IN A 192.0.2.11 | |
fdb27cb2 | 168 | |
694ef440 PL |
169 | ;; See #4158 |
170 | sub2.secure.example. 3600 IN CNAME doesnotmatter.insecure.example. | |
171 | insecure.sub2.secure.example. 3600 IN NS ns1.insecure.example. | |
172 | ||
fdb27cb2 | 173 | *.wildcard.secure.example. 3600 IN A 192.0.2.10 |
52033c6f PL |
174 | |
175 | *.cnamewildcard.secure.example. 3600 IN CNAME host1.secure.example. | |
176 | ||
ef2ea4bf | 177 | *.cnamewildcardnxdomain.secure.example. 3600 IN CNAME doesnotexist.secure.example. |
962a980d PL |
178 | |
179 | cname-to-formerr.secure.example. 3600 IN CNAME host1.insecure-formerr.example. | |
9516e835 PL |
180 | |
181 | dname-secure.secure.example. 3600 IN DNAME dname-secure.example. | |
182 | dname-insecure.secure.example. 3600 IN DNAME insecure.example. | |
183 | dname-bogus.secure.example. 3600 IN DNAME bogus.example. | |
90b85dd0 PD |
184 | |
185 | non-apex-dnskey.secure.example. 3600 IN DNSKEY 257 3 13 CT6AJ4MEOtNDgj0+xLtTLGHf1WbLsKWZI8ONHOt/6q7hTjeWSnY/SGig1dIKZrHg+pJFUSPaxeShv48SYVRKEg== | |
d5b8ccd4 | 186 | """, |
9516e835 PL |
187 | 'dname-secure.example': """ |
188 | dname-secure.example. 3600 IN SOA {soa} | |
189 | dname-secure.example. 3600 IN NS ns.dname-secure.example. | |
190 | ns.dname-secure.example. 3600 IN A {prefix}.13 | |
191 | ||
192 | host1.dname-secure.example. IN A 192.0.2.21 | |
193 | ||
194 | cname-to-secure.dname-secure.example. 3600 IN CNAME host1.secure.example. | |
195 | cname-to-insecure.dname-secure.example. 3600 IN CNAME node1.insecure.example. | |
196 | cname-to-bogus.dname-secure.example. 3600 IN CNAME ted.bogus.example. | |
197 | """, | |
d5b8ccd4 PL |
198 | 'cname-secure.example': """ |
199 | cname-secure.example. 3600 IN SOA {soa} | |
200 | cname-secure.example. 3600 IN NS ns.cname-secure.example. | |
201 | ns.cname-secure.example. 3600 IN A {prefix}.15 | |
202 | cname-secure.example. 3600 IN CNAME secure.example. | |
7568b07d PL |
203 | """, |
204 | 'bogus.example': """ | |
205 | bogus.example. 3600 IN SOA {soa} | |
206 | bogus.example. 3600 IN NS ns1.bogus.example. | |
207 | ns1.bogus.example. 3600 IN A {prefix}.12 | |
208 | ted.bogus.example. 3600 IN A 192.0.2.1 | |
209 | bill.bogus.example. 3600 IN AAAA 2001:db8:12::3 | |
694ef440 PL |
210 | """, |
211 | 'insecure.sub2.secure.example': """ | |
212 | insecure.sub2.secure.example. 3600 IN SOA {soa} | |
213 | insecure.sub2.secure.example. 3600 IN NS ns1.insecure.example. | |
214 | ||
215 | node1.insecure.sub2.secure.example. 3600 IN A 192.0.2.18 | |
7568b07d PL |
216 | """, |
217 | 'insecure.example': """ | |
218 | insecure.example. 3600 IN SOA {soa} | |
219 | insecure.example. 3600 IN NS ns1.insecure.example. | |
220 | ns1.insecure.example. 3600 IN A {prefix}.13 | |
221 | ||
222 | node1.insecure.example. 3600 IN A 192.0.2.6 | |
6552b37b PL |
223 | |
224 | cname-to-secure.insecure.example. 3600 IN CNAME host1.secure.example. | |
9516e835 PL |
225 | |
226 | dname-to-secure.insecure.example. 3600 IN DNAME dname-secure.example. | |
11886ab9 PL |
227 | """, |
228 | 'optout.example': """ | |
229 | optout.example. 3600 IN SOA {soa} | |
230 | optout.example. 3600 IN NS ns1.optout.example. | |
231 | ns1.optout.example. 3600 IN A {prefix}.14 | |
232 | ||
233 | insecure.optout.example. 3600 IN NS ns1.insecure.optout.example. | |
234 | ns1.insecure.optout.example. 3600 IN A {prefix}.15 | |
235 | ||
236 | secure.optout.example. 3600 IN NS ns1.secure.optout.example. | |
237 | secure.optout.example. 3600 IN DS 64215 13 1 b88284d7a8d8605c398e8942262f97b9a5a31787 | |
238 | ns1.secure.optout.example. 3600 IN A {prefix}.15 | |
239 | """, | |
240 | 'insecure.optout.example': """ | |
241 | insecure.optout.example. 3600 IN SOA {soa} | |
242 | insecure.optout.example. 3600 IN NS ns1.insecure.optout.example. | |
243 | ns1.insecure.optout.example. 3600 IN A {prefix}.15 | |
244 | ||
245 | node1.insecure.optout.example. 3600 IN A 192.0.2.7 | |
246 | """, | |
247 | 'secure.optout.example': """ | |
248 | secure.optout.example. 3600 IN SOA {soa} | |
249 | secure.optout.example. 3600 IN NS ns1.secure.optout.example. | |
250 | ns1.secure.optout.example. 3600 IN A {prefix}.15 | |
251 | ||
252 | node1.secure.optout.example. 3600 IN A 192.0.2.8 | |
3bebf5f0 PL |
253 | """, |
254 | 'islandofsecurity.example': """ | |
255 | islandofsecurity.example. 3600 IN SOA {soa} | |
256 | islandofsecurity.example. 3600 IN NS ns1.islandofsecurity.example. | |
257 | ns1.islandofsecurity.example. 3600 IN A {prefix}.9 | |
258 | ||
259 | node1.islandofsecurity.example. 3600 IN A 192.0.2.20 | |
3a7ddb0b PL |
260 | """, |
261 | 'undelegated.secure.example': """ | |
262 | undelegated.secure.example. 3600 IN SOA {soa} | |
263 | undelegated.secure.example. 3600 IN NS ns1.undelegated.secure.example. | |
264 | ||
265 | node1.undelegated.secure.example. 3600 IN A 192.0.2.21 | |
266 | """, | |
267 | 'undelegated.insecure.example': """ | |
268 | undelegated.insecure.example. 3600 IN SOA {soa} | |
269 | undelegated.insecure.example. 3600 IN NS ns1.undelegated.insecure.example. | |
270 | ||
271 | node1.undelegated.insecure.example. 3600 IN A 192.0.2.22 | |
272 | """, | |
c51c551e | 273 | |
a79f06c4 OM |
274 | 'delay1.example': """ |
275 | delay1.example. 3600 IN SOA {soa} | |
276 | delay1.example. 3600 IN NS n1.delay1.example. | |
277 | ns1.delay1.example. 3600 IN A {prefix}.16 | |
278 | *.delay1.example. 0 LUA TXT ";" "local socket=require('socket')" "socket.sleep(tonumber(qname:getRawLabels()[1])/10)" "return 'a'" | |
279 | """, | |
280 | ||
281 | 'delay2.example': """ | |
282 | delay2.example. 3600 IN SOA {soa} | |
283 | delay2.example. 3600 IN NS n1.delay2.example. | |
284 | ns1.delay2.example. 3600 IN A {prefix}.17 | |
285 | *.delay2.example. 0 LUA TXT ";" "local socket=require('socket')" "socket.sleep(tonumber(qname:getRawLabels()[1])/10)" "return 'a'" | |
c51c551e | 286 | """ |
7568b07d PL |
287 | } |
288 | ||
289 | # The private keys for the zones (note that DS records should go into | |
290 | # the zonecontent in _zones | |
291 | _zone_keys = { | |
292 | 'ROOT': """ | |
293 | Private-key-format: v1.2 | |
294 | Algorithm: 13 (ECDSAP256SHA256) | |
295 | PrivateKey: rhWuEydDz3QaIspSVj683B8Xq5q/ozzA38XUgzD4Fbo= | |
296 | """, | |
297 | ||
298 | 'example': """ | |
299 | Private-key-format: v1.2 | |
300 | Algorithm: 13 (ECDSAP256SHA256) | |
301 | PrivateKey: Lt0v0Gol3pRUFM7fDdcy0IWN0O/MnEmVPA+VylL8Y4U= | |
302 | """, | |
303 | ||
304 | 'secure.example': """ | |
305 | Private-key-format: v1.2 | |
306 | Algorithm: 13 (ECDSAP256SHA256) | |
307 | PrivateKey: 1G4WRoOFJJXk+fotDCHVORtJmIG2OUhKi8AO2jDPGZA= | |
308 | """, | |
309 | ||
310 | 'bogus.example': """ | |
311 | Private-key-format: v1.2 | |
312 | Algorithm: 13 (ECDSAP256SHA256) | |
313 | PrivateKey: f5jV7Q8kd5hDpMWObsuQ6SQda0ftf+JrO3uZwEg6nVw= | |
314 | """, | |
11886ab9 PL |
315 | |
316 | 'optout.example': """ | |
317 | Private-key-format: v1.2 | |
318 | Algorithm: 13 (ECDSAP256SHA256) | |
319 | PrivateKey: efmq9G+J4Y2iPnIBRwJiy6Z/nIHSzpsCy/7XHhlS19A= | |
320 | """, | |
321 | ||
322 | 'secure.optout.example': """ | |
323 | Private-key-format: v1.2 | |
324 | Algorithm: 13 (ECDSAP256SHA256) | |
325 | PrivateKey: xcNUxt1Knj14A00lKQFDboluiJyM2f7FxpgsQaQ3AQ4= | |
3bebf5f0 PL |
326 | """, |
327 | ||
328 | 'islandofsecurity.example': """ | |
329 | Private-key-format: v1.2 | |
330 | Algorithm: 13 (ECDSAP256SHA256) | |
331 | PrivateKey: o9F5iix8V68tnMcuOaM2Lt8XXhIIY//SgHIHEePk6cM= | |
d5b8ccd4 PL |
332 | """, |
333 | ||
334 | 'cname-secure.example': """ | |
335 | Private-key-format: v1.2 | |
336 | Algorithm: 13 (ECDSAP256SHA256) | |
337 | PrivateKey: kvoV/g4IO/tefSro+FLJ5UC7H3BUf0IUtZQSUOfQGyA= | |
9516e835 PL |
338 | """, |
339 | ||
340 | 'dname-secure.example': """ | |
341 | Private-key-format: v1.2 | |
342 | Algorithm: 13 (ECDSAP256SHA256) | |
343 | PrivateKey: Ep9uo6+wwjb4MaOmqq7LHav2FLrjotVOeZg8JT1Qk04= | |
4709a495 OM |
344 | """, |
345 | ||
346 | 'delay1.example': """ | |
347 | Private-key-format: v1.2 | |
348 | Algorithm: 13 (ECDSAP256SHA256) | |
349 | PrivateKey: Ep9uo6+wwjb4MaOmqq7LHav2FLrjotVOeZg8JT1Qk04= | |
350 | """, | |
351 | ||
352 | 'delay2.example': """ | |
353 | Private-key-format: v1.2 | |
354 | Algorithm: 13 (ECDSAP256SHA256) | |
355 | PrivateKey: Ep9uo6+wwjb4MaOmqq7LHav2FLrjotVOeZg8JT1Qk04= | |
d5b8ccd4 | 356 | """ |
7568b07d PL |
357 | } |
358 | ||
359 | # This dict is keyed with the suffix of the IP address and its value | |
360 | # is a list of zones hosted on that IP. Note that delegations should | |
361 | # go into the _zones's zonecontent | |
362 | _auth_zones = { | |
c51c551e OM |
363 | '8': {'threads': 1, |
364 | 'zones': ['ROOT']}, | |
365 | '9': {'threads': 1, | |
366 | 'zones': ['secure.example', 'islandofsecurity.example']}, | |
367 | '10': {'threads': 1, | |
368 | 'zones': ['example']}, | |
4709a495 OM |
369 | |
370 | # 11 is used by CircleCI provided resolver | |
371 | ||
c51c551e OM |
372 | '12': {'threads': 1, |
373 | 'zones': ['bogus.example', 'undelegated.secure.example', 'undelegated.insecure.example']}, | |
374 | '13': {'threads': 1, | |
375 | 'zones': ['insecure.example', 'insecure.sub2.secure.example', 'dname-secure.example']}, | |
376 | '14': {'threads': 1, | |
377 | 'zones': ['optout.example']}, | |
378 | '15': {'threads': 1, | |
379 | 'zones': ['insecure.optout.example', 'secure.optout.example', 'cname-secure.example']}, | |
a79f06c4 OM |
380 | '16': {'threads': 2, |
381 | 'zones': ['delay1.example']}, | |
382 | '17': {'threads': 2, | |
4709a495 OM |
383 | 'zones': ['delay2.example']}, |
384 | '18': {'threads': 1, | |
385 | 'zones': ['example']} | |
7568b07d | 386 | } |
0cfe4767 OM |
387 | # Other IPs used: |
388 | # 2: test_Interop.py | |
389 | # 3-7: free? | |
390 | # 19: free? | |
391 | # 20: free? | |
392 | # 21: test_ECS.py | |
393 | # 22: test_EDNSBuffer.py | |
394 | # 23: test_Lua.py | |
395 | # 24: test_RoutingTag.py | |
7568b07d | 396 | |
cb54e9b5 PL |
397 | _auth_cmd = ['authbind', |
398 | os.environ['PDNS']] | |
399 | _auth_env = {} | |
7568b07d PL |
400 | _auths = {} |
401 | ||
402 | @classmethod | |
403 | def createConfigDir(cls, confdir): | |
404 | try: | |
405 | shutil.rmtree(confdir) | |
406 | except OSError as e: | |
407 | if e.errno != errno.ENOENT: | |
408 | raise | |
7a0ea291 | 409 | os.mkdir(confdir, 0o755) |
7568b07d PL |
410 | |
411 | @classmethod | |
412 | def generateAuthZone(cls, confdir, zonename, zonecontent): | |
413 | with open(os.path.join(confdir, '%s.zone' % zonename), 'w') as zonefile: | |
414 | zonefile.write(zonecontent.format(prefix=cls._PREFIX, soa=cls._SOA)) | |
415 | ||
416 | @classmethod | |
417 | def generateAuthNamedConf(cls, confdir, zones): | |
418 | with open(os.path.join(confdir, 'named.conf'), 'w') as namedconf: | |
419 | namedconf.write(""" | |
420 | options { | |
421 | directory "%s"; | |
422 | };""" % confdir) | |
423 | for zonename in zones: | |
424 | zone = '.' if zonename == 'ROOT' else zonename | |
425 | ||
426 | namedconf.write(""" | |
427 | zone "%s" { | |
428 | type master; | |
429 | file "%s.zone"; | |
430 | };""" % (zone, zonename)) | |
431 | ||
432 | @classmethod | |
c51c551e | 433 | def generateAuthConfig(cls, confdir, threads): |
7568b07d PL |
434 | bind_dnssec_db = os.path.join(confdir, 'bind-dnssec.sqlite3') |
435 | ||
436 | with open(os.path.join(confdir, 'pdns.conf'), 'w') as pdnsconf: | |
437 | pdnsconf.write(""" | |
438 | module-dir=../regression-tests/modules | |
439 | launch=bind | |
440 | daemon=no | |
7568b07d PL |
441 | bind-config={confdir}/named.conf |
442 | bind-dnssec-db={bind_dnssec_db} | |
443 | socket-dir={confdir} | |
444 | cache-ttl=0 | |
445 | negquery-cache-ttl=0 | |
446 | query-cache-ttl=0 | |
447 | log-dns-queries=yes | |
448 | log-dns-details=yes | |
449 | loglevel=9 | |
c51c551e | 450 | enable-lua-records |
9516e835 | 451 | dname-processing=yes |
c51c551e OM |
452 | distributor-threads={threads}""".format(confdir=confdir, |
453 | bind_dnssec_db=bind_dnssec_db, | |
454 | threads=threads)) | |
7568b07d PL |
455 | |
456 | pdnsutilCmd = [os.environ['PDNSUTIL'], | |
457 | '--config-dir=%s' % confdir, | |
458 | 'create-bind-db', | |
459 | bind_dnssec_db] | |
460 | ||
7a0ea291 | 461 | print(' '.join(pdnsutilCmd)) |
7568b07d PL |
462 | try: |
463 | subprocess.check_output(pdnsutilCmd, stderr=subprocess.STDOUT) | |
464 | except subprocess.CalledProcessError as e: | |
ff0bc6a6 | 465 | raise AssertionError('%s failed (%d): %s' % (pdnsutilCmd, e.returncode, e.output)) |
7568b07d PL |
466 | |
467 | @classmethod | |
468 | def secureZone(cls, confdir, zonename, key=None): | |
469 | zone = '.' if zonename == 'ROOT' else zonename | |
470 | if not key: | |
471 | pdnsutilCmd = [os.environ['PDNSUTIL'], | |
472 | '--config-dir=%s' % confdir, | |
473 | 'secure-zone', | |
474 | zone] | |
475 | else: | |
476 | keyfile = os.path.join(confdir, 'dnssec.key') | |
477 | with open(keyfile, 'w') as fdKeyfile: | |
478 | fdKeyfile.write(key) | |
479 | ||
480 | pdnsutilCmd = [os.environ['PDNSUTIL'], | |
481 | '--config-dir=%s' % confdir, | |
482 | 'import-zone-key', | |
483 | zone, | |
484 | keyfile, | |
485 | 'active', | |
486 | 'ksk'] | |
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 generateAllAuthConfig(cls, confdir): | |
496 | if cls._auth_zones: | |
c51c551e OM |
497 | for auth_suffix, zoneinfo in cls._auth_zones.items(): |
498 | threads = zoneinfo['threads'] | |
499 | zones = zoneinfo['zones'] | |
7568b07d PL |
500 | authconfdir = os.path.join(confdir, 'auth-%s' % auth_suffix) |
501 | ||
502 | os.mkdir(authconfdir) | |
503 | ||
c51c551e | 504 | cls.generateAuthConfig(authconfdir, threads) |
7568b07d PL |
505 | cls.generateAuthNamedConf(authconfdir, zones) |
506 | ||
11886ab9 PL |
507 | for zone in zones: |
508 | cls.generateAuthZone(authconfdir, | |
509 | zone, | |
510 | cls._zones[zone]) | |
511 | if cls._zone_keys.get(zone, None): | |
512 | cls.secureZone(authconfdir, zone, cls._zone_keys.get(zone)) | |
7568b07d PL |
513 | |
514 | @classmethod | |
515 | def startAllAuth(cls, confdir): | |
516 | if cls._auth_zones: | |
517 | for auth_suffix, _ in cls._auth_zones.items(): | |
518 | authconfdir = os.path.join(confdir, 'auth-%s' % auth_suffix) | |
519 | ipaddress = cls._PREFIX + '.' + auth_suffix | |
520 | cls.startAuth(authconfdir, ipaddress) | |
521 | ||
522 | @classmethod | |
523 | def startAuth(cls, confdir, ipaddress): | |
524 | print("Launching pdns_server..") | |
11886ab9 | 525 | authcmd = list(cls._auth_cmd) |
cb54e9b5 PL |
526 | authcmd.append('--config-dir=%s' % confdir) |
527 | authcmd.append('--local-address=%s' % ipaddress) | |
fb027663 | 528 | if (confdir[-4:] == "ROOT") and have_ipv6(): |
8064abbb PL |
529 | authcmd.append('--local-ipv6=::1') |
530 | else: | |
531 | authcmd.append('--local-ipv6=') | |
7568b07d PL |
532 | print(' '.join(authcmd)) |
533 | ||
534 | logFile = os.path.join(confdir, 'pdns.log') | |
535 | with open(logFile, 'w') as fdLog: | |
536 | cls._auths[ipaddress] = subprocess.Popen(authcmd, close_fds=True, | |
cb54e9b5 PL |
537 | stdout=fdLog, stderr=fdLog, |
538 | env=cls._auth_env) | |
7568b07d PL |
539 | |
540 | time.sleep(2) | |
541 | ||
542 | if cls._auths[ipaddress].poll() is not None: | |
543 | try: | |
544 | cls._auths[ipaddress].kill() | |
545 | except OSError as e: | |
546 | if e.errno != errno.ESRCH: | |
547 | raise | |
548 | with open(logFile, 'r') as fdLog: | |
7a0ea291 | 549 | print(fdLog.read()) |
7568b07d PL |
550 | sys.exit(cls._auths[ipaddress].returncode) |
551 | ||
552 | @classmethod | |
553 | def generateRecursorConfig(cls, confdir): | |
554 | params = tuple([getattr(cls, param) for param in cls._config_params]) | |
555 | if len(params): | |
556 | print(params) | |
557 | ||
558 | recursorconf = os.path.join(confdir, 'recursor.conf') | |
559 | ||
560 | with open(recursorconf, 'w') as conf: | |
561 | conf.write("# Autogenerated by recursortests.py\n") | |
562 | conf.write(cls._config_template_default) | |
563 | conf.write(cls._config_template % params) | |
564 | conf.write("\n") | |
565 | conf.write("socket-dir=%s\n" % confdir) | |
566 | if cls._lua_config_file or cls._root_DS: | |
567 | luaconfpath = os.path.join(confdir, 'conffile.lua') | |
568 | with open(luaconfpath, 'w') as luaconf: | |
569 | if cls._root_DS: | |
8f29eeaa | 570 | luaconf.write("addTA('.', '%s')\n" % cls._root_DS) |
7568b07d PL |
571 | if cls._lua_config_file: |
572 | luaconf.write(cls._lua_config_file) | |
573 | conf.write("lua-config-file=%s\n" % luaconfpath) | |
18e0e4df RG |
574 | if cls._lua_dns_script_file: |
575 | luascriptpath = os.path.join(confdir, 'dnsscript.lua') | |
576 | with open(luascriptpath, 'w') as luascript: | |
577 | luascript.write(cls._lua_dns_script_file) | |
578 | conf.write("lua-dns-script=%s\n" % luascriptpath) | |
7568b07d PL |
579 | if cls._roothints: |
580 | roothintspath = os.path.join(confdir, 'root.hints') | |
581 | with open(roothintspath, 'w') as roothints: | |
582 | roothints.write(cls._roothints) | |
583 | conf.write("hint-file=%s\n" % roothintspath) | |
584 | ||
962a980d PL |
585 | @classmethod |
586 | def startResponders(cls): | |
587 | pass | |
588 | ||
7568b07d PL |
589 | @classmethod |
590 | def startRecursor(cls, confdir, port): | |
591 | print("Launching pdns_recursor..") | |
592 | recursorcmd = [os.environ['PDNSRECURSOR'], | |
593 | '--config-dir=%s' % confdir, | |
962a980d PL |
594 | '--local-port=%s' % port, |
595 | '--security-poll-suffix='] | |
7568b07d PL |
596 | print(' '.join(recursorcmd)) |
597 | ||
598 | logFile = os.path.join(confdir, 'recursor.log') | |
599 | with open(logFile, 'w') as fdLog: | |
600 | cls._recursor = subprocess.Popen(recursorcmd, close_fds=True, | |
601 | stdout=fdLog, stderr=fdLog) | |
602 | ||
603 | if 'PDNSRECURSOR_FAST_TESTS' in os.environ: | |
604 | delay = 0.5 | |
605 | else: | |
606 | delay = cls._recursorStartupDelay | |
607 | ||
608 | time.sleep(delay) | |
609 | ||
610 | if cls._recursor.poll() is not None: | |
611 | try: | |
612 | cls._recursor.kill() | |
613 | except OSError as e: | |
614 | if e.errno != errno.ESRCH: | |
615 | raise | |
616 | with open(logFile, 'r') as fdLog: | |
7a0ea291 | 617 | print(fdLog.read()) |
7568b07d PL |
618 | sys.exit(cls._recursor.returncode) |
619 | ||
620 | @classmethod | |
621 | def wipeRecursorCache(cls, confdir): | |
622 | rec_controlCmd = [os.environ['RECCONTROL'], | |
623 | '--config-dir=%s' % confdir, | |
624 | 'wipe-cache', | |
625 | '.$'] | |
626 | try: | |
627 | subprocess.check_output(rec_controlCmd, stderr=subprocess.STDOUT) | |
628 | except subprocess.CalledProcessError as e: | |
ff0bc6a6 | 629 | raise AssertionError('%s failed (%d): %s' % (rec_controlCmd, e.returncode, e.output)) |
7568b07d PL |
630 | |
631 | @classmethod | |
632 | def setUpSockets(cls): | |
633 | print("Setting up UDP socket..") | |
634 | cls._sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) | |
635 | cls._sock.settimeout(2.0) | |
636 | cls._sock.connect(("127.0.0.1", cls._recursorPort)) | |
637 | ||
638 | @classmethod | |
639 | def setUpClass(cls): | |
640 | cls.setUpSockets() | |
962a980d PL |
641 | |
642 | cls.startResponders() | |
643 | ||
7568b07d PL |
644 | confdir = os.path.join('configs', cls._confdir) |
645 | cls.createConfigDir(confdir) | |
646 | cls.generateAllAuthConfig(confdir) | |
647 | cls.startAllAuth(confdir) | |
648 | ||
649 | cls.generateRecursorConfig(confdir) | |
650 | cls.startRecursor(confdir, cls._recursorPort) | |
651 | ||
652 | print("Launching tests..") | |
653 | ||
654 | @classmethod | |
655 | def tearDownClass(cls): | |
656 | cls.tearDownRecursor() | |
657 | cls.tearDownAuth() | |
962a980d PL |
658 | cls.tearDownResponders() |
659 | ||
660 | @classmethod | |
661 | def tearDownResponders(cls): | |
662 | pass | |
7568b07d PL |
663 | |
664 | @classmethod | |
665 | def tearDownAuth(cls): | |
666 | if 'PDNSRECURSOR_FAST_TESTS' in os.environ: | |
667 | delay = 0.1 | |
668 | else: | |
669 | delay = 1.0 | |
670 | ||
671 | for _, auth in cls._auths.items(): | |
672 | try: | |
673 | auth.terminate() | |
674 | if auth.poll() is None: | |
675 | time.sleep(delay) | |
676 | if auth.poll() is None: | |
677 | auth.kill() | |
678 | auth.wait() | |
679 | except OSError as e: | |
680 | if e.errno != errno.ESRCH: | |
681 | raise | |
682 | ||
683 | @classmethod | |
684 | def tearDownRecursor(cls): | |
685 | if 'PDNSRECURSOR_FAST_TESTS' in os.environ: | |
686 | delay = 0.1 | |
687 | else: | |
688 | delay = 1.0 | |
689 | try: | |
690 | if cls._recursor: | |
691 | cls._recursor.terminate() | |
692 | if cls._recursor.poll() is None: | |
693 | time.sleep(delay) | |
694 | if cls._recursor.poll() is None: | |
695 | cls._recursor.kill() | |
696 | cls._recursor.wait() | |
697 | except OSError as e: | |
698 | # There is a race-condition with the poll() and | |
699 | # kill() statements, when the process is dead on the | |
700 | # kill(), this is fine | |
701 | if e.errno != errno.ESRCH: | |
702 | raise | |
703 | ||
7568b07d | 704 | @classmethod |
fb611f07 | 705 | def sendUDPQuery(cls, query, timeout=2.0, decode=True, fwparams=dict()): |
7568b07d PL |
706 | if timeout: |
707 | cls._sock.settimeout(timeout) | |
708 | ||
709 | try: | |
710 | cls._sock.send(query.to_wire()) | |
711 | data = cls._sock.recv(4096) | |
712 | except socket.timeout: | |
713 | data = None | |
714 | finally: | |
715 | if timeout: | |
716 | cls._sock.settimeout(None) | |
717 | ||
718 | message = None | |
719 | if data: | |
fb611f07 RG |
720 | if not decode: |
721 | return data | |
554c69f9 | 722 | message = dns.message.from_wire(data, **fwparams) |
7568b07d PL |
723 | return message |
724 | ||
725 | @classmethod | |
726 | def sendTCPQuery(cls, query, timeout=2.0): | |
727 | sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
728 | if timeout: | |
729 | sock.settimeout(timeout) | |
730 | ||
731 | sock.connect(("127.0.0.1", cls._recursorPort)) | |
732 | ||
733 | try: | |
734 | wire = query.to_wire() | |
735 | sock.send(struct.pack("!H", len(wire))) | |
736 | sock.send(wire) | |
737 | data = sock.recv(2) | |
738 | if data: | |
739 | (datalen,) = struct.unpack("!H", data) | |
740 | data = sock.recv(datalen) | |
741 | except socket.timeout as e: | |
742 | print("Timeout: %s" % (str(e))) | |
743 | data = None | |
744 | except socket.error as e: | |
745 | print("Network error: %s" % (str(e))) | |
746 | data = None | |
747 | finally: | |
748 | sock.close() | |
749 | ||
750 | message = None | |
751 | if data: | |
752 | message = dns.message.from_wire(data) | |
753 | return message | |
754 | ||
c51c551e OM |
755 | @classmethod |
756 | def sendTCPQueries(cls, queries, timeout=2.0): | |
757 | sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
758 | if timeout: | |
759 | sock.settimeout(timeout) | |
760 | ||
761 | sock.connect(("127.0.0.1", cls._recursorPort)) | |
762 | data = [] | |
763 | try: | |
764 | for query in queries: | |
765 | wire = query.to_wire() | |
766 | sock.send(struct.pack("!H", len(wire))) | |
767 | sock.send(wire) | |
768 | for i in range(len(queries)): | |
769 | try: | |
770 | datalen = sock.recv(2) | |
771 | if datalen: | |
772 | (datalen,) = struct.unpack("!H", datalen) | |
773 | data.append(sock.recv(datalen)) | |
774 | except socket.timeout as e: | |
775 | continue | |
776 | except socket.error as e: | |
777 | print("Network error: %s" % (str(e))) | |
778 | data = None | |
779 | finally: | |
780 | sock.close() | |
781 | ||
782 | messages = [] | |
783 | for d in data: | |
784 | messages.append(dns.message.from_wire(d)) | |
785 | return messages | |
786 | ||
7568b07d PL |
787 | def setUp(self): |
788 | # This function is called before every tests | |
753a8109 | 789 | super(RecursorTest, self).setUp() |
7568b07d PL |
790 | |
791 | ## Functions for comparisons | |
792 | def assertMessageHasFlags(self, msg, flags, ednsflags=[]): | |
793 | """Asserts that msg has all the flags from flags set | |
794 | ||
795 | @param msg: the dns.message.Message to check | |
796 | @param flags: a list of strings with flag mnemonics (like ['RD', 'RA']) | |
797 | @param ednsflags: a list of strings with edns-flag mnemonics (like ['DO'])""" | |
798 | ||
799 | if not isinstance(msg, dns.message.Message): | |
800 | raise TypeError("msg is not a dns.message.Message") | |
801 | ||
802 | if isinstance(flags, list): | |
803 | for elem in flags: | |
804 | if not isinstance(elem, str): | |
805 | raise TypeError("flags is not a list of strings") | |
806 | else: | |
807 | raise TypeError("flags is not a list of strings") | |
808 | ||
809 | if isinstance(ednsflags, list): | |
810 | for elem in ednsflags: | |
811 | if not isinstance(elem, str): | |
812 | raise TypeError("ednsflags is not a list of strings") | |
813 | else: | |
814 | raise TypeError("ednsflags is not a list of strings") | |
815 | ||
816 | msgFlags = dns.flags.to_text(msg.flags).split() | |
817 | missingFlags = [flag for flag in flags if flag not in msgFlags] | |
818 | ||
8b16b9c2 | 819 | msgEdnsFlags = dns.flags.edns_to_text(msg.ednsflags).split() |
7568b07d PL |
820 | missingEdnsFlags = [ednsflag for ednsflag in ednsflags if ednsflag not in msgEdnsFlags] |
821 | ||
822 | if len(missingFlags) or len(missingEdnsFlags) or len(msgFlags) > len(flags): | |
823 | raise AssertionError("Expected flags '%s' (EDNS: '%s'), found '%s' (EDNS: '%s') in query %s" % | |
824 | (' '.join(flags), ' '.join(ednsflags), | |
825 | ' '.join(msgFlags), ' '.join(msgEdnsFlags), | |
826 | msg.question[0])) | |
827 | ||
828 | def assertMessageIsAuthenticated(self, msg): | |
829 | """Asserts that the message has the AD bit set | |
830 | ||
831 | @param msg: the dns.message.Message to check""" | |
832 | ||
833 | if not isinstance(msg, dns.message.Message): | |
834 | raise TypeError("msg is not a dns.message.Message") | |
835 | ||
836 | msgFlags = dns.flags.to_text(msg.flags) | |
837 | self.assertTrue('AD' in msgFlags, "No AD flag found in the message for %s" % msg.question[0].name) | |
838 | ||
839 | def assertRRsetInAnswer(self, msg, rrset): | |
840 | """Asserts the rrset (without comparing TTL) exists in the | |
841 | answer section of msg | |
842 | ||
843 | @param msg: the dns.message.Message to check | |
844 | @param rrset: a dns.rrset.RRset object""" | |
845 | ||
846 | ret = '' | |
847 | if not isinstance(msg, dns.message.Message): | |
848 | raise TypeError("msg is not a dns.message.Message") | |
849 | ||
850 | if not isinstance(rrset, dns.rrset.RRset): | |
851 | raise TypeError("rrset is not a dns.rrset.RRset") | |
852 | ||
853 | found = False | |
854 | for ans in msg.answer: | |
855 | ret += "%s\n" % ans.to_text() | |
856 | if ans.match(rrset.name, rrset.rdclass, rrset.rdtype, 0, None): | |
de9650d1 | 857 | self.assertEqual(ans, rrset, "'%s' != '%s'" % (ans.to_text(), rrset.to_text())) |
7568b07d PL |
858 | found = True |
859 | ||
860 | if not found: | |
6552b37b | 861 | raise AssertionError("RRset not found in answer\n\n%s" % ret) |
7568b07d PL |
862 | |
863 | def assertMatchingRRSIGInAnswer(self, msg, coveredRRset, keys=None): | |
864 | """Looks for coveredRRset in the answer section and if there is an RRSIG RRset | |
865 | that covers that RRset. If keys is not None, this function will also try to | |
866 | validate the RRset against the RRSIG | |
867 | ||
868 | @param msg: The dns.message.Message to check | |
869 | @param coveredRRset: The RRSet to check for | |
870 | @param keys: a dictionary keyed by dns.name.Name with node or rdataset values to use for validation""" | |
871 | ||
872 | if not isinstance(msg, dns.message.Message): | |
873 | raise TypeError("msg is not a dns.message.Message") | |
874 | ||
875 | if not isinstance(coveredRRset, dns.rrset.RRset): | |
876 | raise TypeError("coveredRRset is not a dns.rrset.RRset") | |
877 | ||
878 | msgRRsigRRSet = None | |
879 | msgRRSet = None | |
880 | ||
881 | ret = '' | |
882 | for ans in msg.answer: | |
883 | ret += ans.to_text() + "\n" | |
884 | ||
885 | if ans.match(coveredRRset.name, coveredRRset.rdclass, coveredRRset.rdtype, 0, None): | |
886 | msgRRSet = ans | |
887 | if ans.match(coveredRRset.name, dns.rdataclass.IN, dns.rdatatype.RRSIG, coveredRRset.rdtype, None): | |
888 | msgRRsigRRSet = ans | |
889 | if msgRRSet and msgRRsigRRSet: | |
890 | break | |
891 | ||
892 | if not msgRRSet: | |
893 | raise AssertionError("RRset for '%s' not found in answer" % msg.question[0].to_text()) | |
894 | ||
895 | if not msgRRsigRRSet: | |
896 | raise AssertionError("No RRSIGs found in answer for %s:\nFull answer:\n%s" % (msg.question[0].to_text(), ret)) | |
897 | ||
898 | if keys: | |
899 | try: | |
900 | dns.dnssec.validate(msgRRSet, msgRRsigRRSet.to_rdataset(), keys) | |
901 | except dns.dnssec.ValidationFailure as e: | |
902 | raise AssertionError("Signature validation failed for %s:\n%s" % (msg.question[0].to_text(), e)) | |
903 | ||
904 | def assertNoRRSIGsInAnswer(self, msg): | |
905 | """Checks if there are _no_ RRSIGs in the answer section of msg""" | |
906 | ||
907 | if not isinstance(msg, dns.message.Message): | |
908 | raise TypeError("msg is not a dns.message.Message") | |
909 | ||
910 | ret = "" | |
911 | for ans in msg.answer: | |
912 | if ans.rdtype == dns.rdatatype.RRSIG: | |
913 | ret += ans.name.to_text() + "\n" | |
914 | ||
915 | if len(ret): | |
916 | raise AssertionError("RRSIG found in answers for:\n%s" % ret) | |
917 | ||
918 | def assertAnswerEmpty(self, msg): | |
919 | 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]))) | |
920 | ||
921 | def assertRcodeEqual(self, msg, rcode): | |
922 | if not isinstance(msg, dns.message.Message): | |
923 | raise TypeError("msg is not a dns.message.Message but a %s" % type(msg)) | |
924 | ||
925 | if not isinstance(rcode, int): | |
926 | if isinstance(rcode, str): | |
927 | rcode = dns.rcode.from_text(rcode) | |
928 | else: | |
929 | raise TypeError("rcode is neither a str nor int") | |
930 | ||
931 | if msg.rcode() != rcode: | |
3d144e24 PD |
932 | msgRcode = dns.rcode.to_text(msg.rcode()) |
933 | wantedRcode = dns.rcode.to_text(rcode) | |
7568b07d PL |
934 | |
935 | raise AssertionError("Rcode for %s is %s, expected %s." % (msg.question[0].to_text(), msgRcode, wantedRcode)) | |
05537f80 PL |
936 | |
937 | def assertAuthorityHasSOA(self, msg): | |
938 | if not isinstance(msg, dns.message.Message): | |
939 | raise TypeError("msg is not a dns.message.Message but a %s" % type(msg)) | |
940 | ||
941 | found = False | |
942 | for rrset in msg.authority: | |
943 | if rrset.rdtype == dns.rdatatype.SOA: | |
944 | found = True | |
945 | break | |
946 | ||
947 | if not found: | |
948 | raise AssertionError("No SOA record found in the authority section:\n%s" % msg.to_text()) | |
f3f19ebe PL |
949 | |
950 | def assertResponseMatches(self, query, expectedRRs, response): | |
951 | expectedResponse = dns.message.make_response(query) | |
952 | ||
953 | if query.flags & dns.flags.RD: | |
954 | expectedResponse.flags |= dns.flags.RA | |
955 | if query.flags & dns.flags.CD: | |
956 | expectedResponse.flags |= dns.flags.CD | |
957 | ||
958 | expectedResponse.answer = expectedRRs | |
959 | print(expectedResponse) | |
960 | print(response) | |
4bfebc93 | 961 | self.assertEqual(response, expectedResponse) |
c5b0071d RG |
962 | |
963 | @classmethod | |
964 | def sendQuery(cls, name, rdtype, useTCP=False): | |
965 | """Helper function that creates the query""" | |
966 | msg = dns.message.make_query(name, rdtype, want_dnssec=True) | |
967 | msg.flags |= dns.flags.AD | |
968 | ||
969 | if useTCP: | |
970 | return cls.sendTCPQuery(msg) | |
971 | return cls.sendUDPQuery(msg) | |
972 | ||
973 | def createQuery(self, name, rdtype, flags, ednsflags): | |
974 | """Helper function that creates the query with the specified flags. | |
975 | The flags need to be strings (no checking is performed atm)""" | |
976 | msg = dns.message.make_query(name, rdtype) | |
977 | msg.flags = dns.flags.from_text(flags) | |
978 | msg.flags += dns.flags.from_text('RD') | |
979 | msg.use_edns(edns=0, ednsflags=dns.flags.edns_from_text(ednsflags)) | |
980 | return msg | |
9166ee1b RG |
981 | |
982 | @classmethod | |
983 | def sendUDPQueryWithProxyProtocol(cls, query, v6, source, destination, sourcePort, destinationPort, values=[], timeout=2.0): | |
984 | queryPayload = query.to_wire() | |
985 | ppPayload = ProxyProtocol.getPayload(False, False, v6, source, destination, sourcePort, destinationPort, values) | |
986 | payload = ppPayload + queryPayload | |
987 | ||
988 | if timeout: | |
989 | cls._sock.settimeout(timeout) | |
990 | ||
991 | try: | |
992 | cls._sock.send(payload) | |
993 | data = cls._sock.recv(4096) | |
994 | except socket.timeout: | |
995 | data = None | |
996 | finally: | |
997 | if timeout: | |
998 | cls._sock.settimeout(None) | |
999 | ||
1000 | message = None | |
1001 | if data: | |
1002 | message = dns.message.from_wire(data) | |
1003 | return message | |
1004 | ||
1005 | @classmethod | |
1006 | def sendTCPQueryWithProxyProtocol(cls, query, v6, source, destination, sourcePort, destinationPort, values=[], timeout=2.0): | |
1007 | queryPayload = query.to_wire() | |
1008 | ppPayload = ProxyProtocol.getPayload(False, False, v6, source, destination, sourcePort, destinationPort, values) | |
1009 | ||
1010 | sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
1011 | if timeout: | |
1012 | sock.settimeout(timeout) | |
1013 | ||
1014 | sock.connect(("127.0.0.1", cls._recursorPort)) | |
1015 | ||
1016 | try: | |
1017 | sock.send(ppPayload) | |
1018 | sock.send(struct.pack("!H", len(queryPayload))) | |
1019 | sock.send(queryPayload) | |
1020 | data = sock.recv(2) | |
1021 | if data: | |
1022 | (datalen,) = struct.unpack("!H", data) | |
1023 | data = sock.recv(datalen) | |
1024 | except socket.timeout as e: | |
1025 | print("Timeout: %s" % (str(e))) | |
1026 | data = None | |
1027 | except socket.error as e: | |
1028 | print("Network error: %s" % (str(e))) | |
1029 | data = None | |
1030 | finally: | |
1031 | sock.close() | |
1032 | ||
1033 | message = None | |
1034 | if data: | |
1035 | message = dns.message.from_wire(data) | |
1036 | return message |