projects / thirdparty / pdns.git / blame
| Commit | Line | Data |
|---|---|---|
| b8db58a2 | 1 | #!/usr/bin/env python |
| b8db58a2 RG |
2 | import time |
| 3 | import unittest | |
| b1bec9f0 RG |
4 | import dns |
| 5 | import dns.message | |
| b8db58a2 RG |
6 | from dnsdisttests import DNSDistTest |
| 7 | import dnscrypt | |
| 8 | ||
| 9 | class TestDNSCrypt(DNSDistTest): | |
| 10 | """ | |
| 11 | dnsdist is configured to accept DNSCrypt queries on 127.0.0.1:_dnsDistPortDNSCrypt. | |
| 12 | The provider's keys have been generated with: | |
| 13 | generateDNSCryptProviderKeys("DNSCryptProviderPublic.key", "DNSCryptProviderPrivate.key") | |
| 14 | Be careful to change the _providerFingerprint below if you want to regenerate the keys. | |
| 15 | """ | |
| 16 | ||
| 17 | _dnsDistPort = 5340 | |
| 18 | _dnsDistPortDNSCrypt = 8443 | |
| 19 | _config_template = """ | |
| bd64cc44 | 20 | generateDNSCryptCertificate("DNSCryptProviderPrivate.key", "DNSCryptResolver.cert", "DNSCryptResolver.key", %d, %d, %d) |
| b8db58a2 RG |
21 | addDNSCryptBind("127.0.0.1:%d", "%s", "DNSCryptResolver.cert", "DNSCryptResolver.key") |
| 22 | newServer{address="127.0.0.1:%s"} | |
| 23 | """ | |
| 24 | ||
| b8db58a2 RG |
25 | _providerFingerprint = 'E1D7:2108:9A59:BF8D:F101:16FA:ED5E:EA6A:9F6C:C78F:7F91:AF6B:027E:62F4:69C3:B1AA' |
| 26 | _providerName = "2.provider.name" | |
| bd64cc44 RG |
27 | _resolverCertificateSerial = 42 |
| 28 | # valid from 60s ago until 2h from now | |
| 29 | _resolverCertificateValidFrom = time.time() - 60 | |
| 30 | _resolverCertificateValidUntil = time.time() + 7200 | |
| 31 | _config_params = ['_resolverCertificateSerial', '_resolverCertificateValidFrom', '_resolverCertificateValidUntil', '_dnsDistPortDNSCrypt', '_providerName', '_testServerPort'] | |
| 617dfe22 | 32 | _dnsdistStartupDelay = 10 |
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33 | |
| 34 | def testSimpleA(self): | |
| 35 | """ | |
| 617dfe22 | 36 | DNSCrypt: encrypted A query |
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37 | """ |
| 38 | client = dnscrypt.DNSCryptClient(self._providerName, self._providerFingerprint, "127.0.0.1", 8443) | |
| 39 | name = 'a.dnscrypt.tests.powerdns.com.' | |
| 40 | query = dns.message.make_query(name, 'A', 'IN') | |
| 41 | response = dns.message.make_response(query) | |
| 42 | rrset = dns.rrset.from_text(name, | |
| 43 | 3600, | |
| 44 | dns.rdataclass.IN, | |
| 45 | dns.rdatatype.A, | |
| 46 | '127.0.0.1') | |
| 47 | response.answer.append(rrset) | |
| 48 | ||
| 49 | self._toResponderQueue.put(response) | |
| 50 | data = client.query(query.to_wire()) | |
| 51 | receivedResponse = dns.message.from_wire(data) | |
| 52 | receivedQuery = None | |
| 53 | if not self._fromResponderQueue.empty(): | |
| 54 | receivedQuery = self._fromResponderQueue.get(query) | |
| 55 | ||
| 56 | self.assertTrue(receivedQuery) | |
| 57 | self.assertTrue(receivedResponse) | |
| 58 | receivedQuery.id = query.id | |
| b8db58a2 RG |
59 | self.assertEquals(query, receivedQuery) |
| 60 | self.assertEquals(response, receivedResponse) | |
| 61 | ||
| bd64cc44 RG |
62 | def testResponseLargerThanPaddedQuery(self): |
| 63 | """ | |
| 617dfe22 RG |
64 | DNSCrypt: response larger than query |
| 65 | ||
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66 | Send a small encrypted query (don't forget to take |
| 67 | the padding into account) and check that the response | |
| 68 | is truncated. | |
| 69 | """ | |
| 70 | client = dnscrypt.DNSCryptClient(self._providerName, self._providerFingerprint, "127.0.0.1", 8443) | |
| 71 | name = 'smallquerylargeresponse.dnscrypt.tests.powerdns.com.' | |
| 72 | query = dns.message.make_query(name, 'TXT', 'IN', use_edns=True, payload=4096) | |
| 73 | response = dns.message.make_response(query) | |
| 74 | rrset = dns.rrset.from_text(name, | |
| 75 | 3600, | |
| 76 | dns.rdataclass.IN, | |
| 77 | dns.rdatatype.TXT, | |
| 78 | 'A'*255) | |
| 79 | response.answer.append(rrset) | |
| 80 | ||
| 81 | self._toResponderQueue.put(response) | |
| 82 | data = client.query(query.to_wire()) | |
| 83 | receivedQuery = None | |
| 84 | if not self._fromResponderQueue.empty(): | |
| 85 | receivedQuery = self._fromResponderQueue.get(query) | |
| 86 | ||
| 87 | receivedResponse = dns.message.from_wire(data) | |
| 88 | ||
| 89 | self.assertTrue(receivedQuery) | |
| 90 | receivedQuery.id = query.id | |
| 91 | self.assertEquals(query, receivedQuery) | |
| 92 | self.assertEquals(receivedResponse.question, response.question) | |
| 93 | self.assertTrue(receivedResponse.flags & ~dns.flags.TC) | |
| 94 | self.assertTrue(len(receivedResponse.answer) == 0) | |
| 95 | self.assertTrue(len(receivedResponse.authority) == 0) | |
| 96 | self.assertTrue(len(receivedResponse.additional) == 0) | |
| 97 | ||
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98 | if __name__ == '__main__': |
| 99 | unittest.main() | |
| 100 | exit(0) |