1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef NET_DNS_DNS_TEST_UTIL_H_ 6 #define NET_DNS_DNS_TEST_UTIL_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "base/basictypes.h" 12 #include "base/memory/scoped_ptr.h" 13 #include "net/dns/dns_client.h" 14 #include "net/dns/dns_config_service.h" 15 #include "net/dns/dns_protocol.h" 16 17 namespace net { 18 19 //----------------------------------------------------------------------------- 20 // Query/response set for www.google.com, ID is fixed to 0. 21 static const char kT0HostName[] = "www.google.com"; 22 static const uint16 kT0Qtype = dns_protocol::kTypeA; 23 static const char kT0DnsName[] = { 24 0x03, 'w', 'w', 'w', 25 0x06, 'g', 'o', 'o', 'g', 'l', 'e', 26 0x03, 'c', 'o', 'm', 27 0x00 28 }; 29 static const size_t kT0QuerySize = 32; 30 static const uint8 kT0ResponseDatagram[] = { 31 // response contains one CNAME for www.l.google.com and the following 32 // IP addresses: 74.125.226.{179,180,176,177,178} 33 0x00, 0x00, 0x81, 0x80, 0x00, 0x01, 0x00, 0x06, 34 0x00, 0x00, 0x00, 0x00, 0x03, 0x77, 0x77, 0x77, 35 0x06, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x03, 36 0x63, 0x6f, 0x6d, 0x00, 0x00, 0x01, 0x00, 0x01, 37 0xc0, 0x0c, 0x00, 0x05, 0x00, 0x01, 0x00, 0x01, 38 0x4d, 0x13, 0x00, 0x08, 0x03, 0x77, 0x77, 0x77, 39 0x01, 0x6c, 0xc0, 0x10, 0xc0, 0x2c, 0x00, 0x01, 40 0x00, 0x01, 0x00, 0x00, 0x00, 0xe4, 0x00, 0x04, 41 0x4a, 0x7d, 0xe2, 0xb3, 0xc0, 0x2c, 0x00, 0x01, 42 0x00, 0x01, 0x00, 0x00, 0x00, 0xe4, 0x00, 0x04, 43 0x4a, 0x7d, 0xe2, 0xb4, 0xc0, 0x2c, 0x00, 0x01, 44 0x00, 0x01, 0x00, 0x00, 0x00, 0xe4, 0x00, 0x04, 45 0x4a, 0x7d, 0xe2, 0xb0, 0xc0, 0x2c, 0x00, 0x01, 46 0x00, 0x01, 0x00, 0x00, 0x00, 0xe4, 0x00, 0x04, 47 0x4a, 0x7d, 0xe2, 0xb1, 0xc0, 0x2c, 0x00, 0x01, 48 0x00, 0x01, 0x00, 0x00, 0x00, 0xe4, 0x00, 0x04, 49 0x4a, 0x7d, 0xe2, 0xb2 50 }; 51 static const char* const kT0IpAddresses[] = { 52 "74.125.226.179", "74.125.226.180", "74.125.226.176", 53 "74.125.226.177", "74.125.226.178" 54 }; 55 static const char kT0CanonName[] = "www.l.google.com"; 56 static const int kT0TTL = 0x000000e4; 57 // +1 for the CNAME record. 58 static const unsigned kT0RecordCount = arraysize(kT0IpAddresses) + 1; 59 60 //----------------------------------------------------------------------------- 61 // Query/response set for codereview.chromium.org, ID is fixed to 1. 62 static const char kT1HostName[] = "codereview.chromium.org"; 63 static const uint16 kT1Qtype = dns_protocol::kTypeA; 64 static const char kT1DnsName[] = { 65 0x0a, 'c', 'o', 'd', 'e', 'r', 'e', 'v', 'i', 'e', 'w', 66 0x08, 'c', 'h', 'r', 'o', 'm', 'i', 'u', 'm', 67 0x03, 'o', 'r', 'g', 68 0x00 69 }; 70 static const size_t kT1QuerySize = 41; 71 static const uint8 kT1ResponseDatagram[] = { 72 // response contains one CNAME for ghs.l.google.com and the following 73 // IP address: 64.233.169.121 74 0x00, 0x01, 0x81, 0x80, 0x00, 0x01, 0x00, 0x02, 75 0x00, 0x00, 0x00, 0x00, 0x0a, 0x63, 0x6f, 0x64, 76 0x65, 0x72, 0x65, 0x76, 0x69, 0x65, 0x77, 0x08, 77 0x63, 0x68, 0x72, 0x6f, 0x6d, 0x69, 0x75, 0x6d, 78 0x03, 0x6f, 0x72, 0x67, 0x00, 0x00, 0x01, 0x00, 79 0x01, 0xc0, 0x0c, 0x00, 0x05, 0x00, 0x01, 0x00, 80 0x01, 0x41, 0x75, 0x00, 0x12, 0x03, 0x67, 0x68, 81 0x73, 0x01, 0x6c, 0x06, 0x67, 0x6f, 0x6f, 0x67, 82 0x6c, 0x65, 0x03, 0x63, 0x6f, 0x6d, 0x00, 0xc0, 83 0x35, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x01, 84 0x0b, 0x00, 0x04, 0x40, 0xe9, 0xa9, 0x79 85 }; 86 static const char* const kT1IpAddresses[] = { 87 "64.233.169.121" 88 }; 89 static const char kT1CanonName[] = "ghs.l.google.com"; 90 static const int kT1TTL = 0x0000010b; 91 // +1 for the CNAME record. 92 static const unsigned kT1RecordCount = arraysize(kT1IpAddresses) + 1; 93 94 //----------------------------------------------------------------------------- 95 // Query/response set for www.ccs.neu.edu, ID is fixed to 2. 96 static const char kT2HostName[] = "www.ccs.neu.edu"; 97 static const uint16 kT2Qtype = dns_protocol::kTypeA; 98 static const char kT2DnsName[] = { 99 0x03, 'w', 'w', 'w', 100 0x03, 'c', 'c', 's', 101 0x03, 'n', 'e', 'u', 102 0x03, 'e', 'd', 'u', 103 0x00 104 }; 105 static const size_t kT2QuerySize = 33; 106 static const uint8 kT2ResponseDatagram[] = { 107 // response contains one CNAME for vulcan.ccs.neu.edu and the following 108 // IP address: 129.10.116.81 109 0x00, 0x02, 0x81, 0x80, 0x00, 0x01, 0x00, 0x02, 110 0x00, 0x00, 0x00, 0x00, 0x03, 0x77, 0x77, 0x77, 111 0x03, 0x63, 0x63, 0x73, 0x03, 0x6e, 0x65, 0x75, 112 0x03, 0x65, 0x64, 0x75, 0x00, 0x00, 0x01, 0x00, 113 0x01, 0xc0, 0x0c, 0x00, 0x05, 0x00, 0x01, 0x00, 114 0x00, 0x01, 0x2c, 0x00, 0x09, 0x06, 0x76, 0x75, 115 0x6c, 0x63, 0x61, 0x6e, 0xc0, 0x10, 0xc0, 0x2d, 116 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x01, 0x2c, 117 0x00, 0x04, 0x81, 0x0a, 0x74, 0x51 118 }; 119 static const char* const kT2IpAddresses[] = { 120 "129.10.116.81" 121 }; 122 static const char kT2CanonName[] = "vulcan.ccs.neu.edu"; 123 static const int kT2TTL = 0x0000012c; 124 // +1 for the CNAME record. 125 static const unsigned kT2RecordCount = arraysize(kT2IpAddresses) + 1; 126 127 //----------------------------------------------------------------------------- 128 // Query/response set for www.google.az, ID is fixed to 3. 129 static const char kT3HostName[] = "www.google.az"; 130 static const uint16 kT3Qtype = dns_protocol::kTypeA; 131 static const char kT3DnsName[] = { 132 0x03, 'w', 'w', 'w', 133 0x06, 'g', 'o', 'o', 'g', 'l', 'e', 134 0x02, 'a', 'z', 135 0x00 136 }; 137 static const size_t kT3QuerySize = 31; 138 static const uint8 kT3ResponseDatagram[] = { 139 // response contains www.google.com as CNAME for www.google.az and 140 // www.l.google.com as CNAME for www.google.com and the following 141 // IP addresses: 74.125.226.{178,179,180,176,177} 142 // The TTLs on the records are: 0x00015099, 0x00025099, 0x00000415, 143 // 0x00003015, 0x00002015, 0x00000015, 0x00001015. 144 // The last record is an imaginary TXT record for t.google.com. 145 0x00, 0x03, 0x81, 0x80, 0x00, 0x01, 0x00, 0x08, 146 0x00, 0x00, 0x00, 0x00, 0x03, 0x77, 0x77, 0x77, 147 0x06, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x02, 148 0x61, 0x7a, 0x00, 0x00, 0x01, 0x00, 0x01, 0xc0, 149 0x0c, 0x00, 0x05, 0x00, 0x01, 0x00, 0x01, 0x50, 150 0x99, 0x00, 0x10, 0x03, 0x77, 0x77, 0x77, 0x06, 151 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x03, 0x63, 152 0x6f, 0x6d, 0x00, 0xc0, 0x2b, 0x00, 0x05, 0x00, 153 0x01, 0x00, 0x02, 0x50, 0x99, 0x00, 0x08, 0x03, 154 0x77, 0x77, 0x77, 0x01, 0x6c, 0xc0, 0x2f, 0xc0, 155 0x47, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x04, 156 0x15, 0x00, 0x04, 0x4a, 0x7d, 0xe2, 0xb2, 0xc0, 157 0x47, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x30, 158 0x15, 0x00, 0x04, 0x4a, 0x7d, 0xe2, 0xb3, 0xc0, 159 0x47, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x20, 160 0x15, 0x00, 0x04, 0x4a, 0x7d, 0xe2, 0xb4, 0xc0, 161 0x47, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 162 0x15, 0x00, 0x04, 0x4a, 0x7d, 0xe2, 0xb0, 0xc0, 163 0x47, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x10, 164 0x15, 0x00, 0x04, 0x4a, 0x7d, 0xe2, 0xb1, 0x01, 165 0x74, 0xc0, 0x2f, 0x00, 0x10, 0x00, 0x01, 0x00, 166 0x00, 0x00, 0x01, 0x00, 0x04, 0xde, 0xad, 0xfe, 167 0xed 168 }; 169 static const char* const kT3IpAddresses[] = { 170 "74.125.226.178", "74.125.226.179", "74.125.226.180", 171 "74.125.226.176", "74.125.226.177" 172 }; 173 static const char kT3CanonName[] = "www.l.google.com"; 174 static const int kT3TTL = 0x00000015; 175 // +2 for the CNAME records, +1 for TXT record. 176 static const unsigned kT3RecordCount = arraysize(kT3IpAddresses) + 3; 177 178 class AddressSorter; 179 class DnsClient; 180 class MockTransactionFactory; 181 182 struct MockDnsClientRule { 183 enum Result { 184 FAIL, // Fail asynchronously with ERR_NAME_NOT_RESOLVED. 185 TIMEOUT, // Fail asynchronously with ERR_DNS_TIMEOUT. 186 EMPTY, // Return an empty response. 187 OK, // Return a response with loopback address. 188 }; 189 190 // If |delay| is true, matching transactions will be delayed until triggered 191 // by the consumer. 192 MockDnsClientRule(const std::string& prefix_arg, 193 uint16 qtype_arg, 194 Result result_arg, 195 bool delay) 196 : result(result_arg), prefix(prefix_arg), qtype(qtype_arg), 197 delay(delay) {} 198 199 Result result; 200 std::string prefix; 201 uint16 qtype; 202 bool delay; 203 }; 204 205 typedef std::vector<MockDnsClientRule> MockDnsClientRuleList; 206 207 // MockDnsClient provides MockTransactionFactory. 208 class MockDnsClient : public DnsClient { 209 public: 210 MockDnsClient(const DnsConfig& config, const MockDnsClientRuleList& rules); 211 virtual ~MockDnsClient(); 212 213 // DnsClient interface: 214 virtual void SetConfig(const DnsConfig& config) OVERRIDE; 215 virtual const DnsConfig* GetConfig() const OVERRIDE; 216 virtual DnsTransactionFactory* GetTransactionFactory() OVERRIDE; 217 virtual AddressSorter* GetAddressSorter() OVERRIDE; 218 219 // Completes all DnsTransactions that were delayed by a rule. 220 void CompleteDelayedTransactions(); 221 222 private: 223 DnsConfig config_; 224 scoped_ptr<MockTransactionFactory> factory_; 225 scoped_ptr<AddressSorter> address_sorter_; 226 }; 227 228 } // namespace net 229 230 #endif // NET_DNS_DNS_TEST_UTIL_H_ 231
