ares-test-parse-soa-any.cc (5293B)
1 /* MIT License 2 * 3 * Copyright (c) The c-ares project and its contributors 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a copy 6 * of this software and associated documentation files (the "Software"), to deal 7 * in the Software without restriction, including without limitation the rights 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 * copies of the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 * 24 * SPDX-License-Identifier: MIT 25 */ 26 #include "ares-test.h" 27 #include "dns-proto.h" 28 29 #include <sstream> 30 #include <vector> 31 32 namespace ares { 33 namespace test { 34 35 TEST_F(LibraryTest, ParseSoaAnyReplyOK) { 36 DNSPacket pkt; 37 pkt.set_qid(0x1234).set_response().set_aa() 38 .add_question(new DNSQuestion("example.com", T_ANY))\ 39 .add_answer(new DNSARR("example.com", 0x01020304, {2,3,4,5})) 40 .add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com")) 41 .add_answer(new DNSMxRR("example.com", 100, 200, "mx2.example.com")) 42 .add_answer(new DNSSoaRR("example.com", 100, 43 "soa1.example.com", "fred.example.com", 44 1, 2, 3, 4, 5)); 45 std::vector<byte> data = pkt.data(); 46 47 struct ares_soa_reply* soa = nullptr; 48 EXPECT_EQ(ARES_SUCCESS, ares_parse_soa_reply(data.data(), (int)data.size(), &soa)); 49 ASSERT_NE(nullptr, soa); 50 EXPECT_EQ("soa1.example.com", std::string(soa->nsname)); 51 EXPECT_EQ("fred.example.com", std::string(soa->hostmaster)); 52 EXPECT_EQ((unsigned int)1, soa->serial); 53 EXPECT_EQ((unsigned int)2, soa->refresh); 54 EXPECT_EQ((unsigned int)3, soa->retry); 55 EXPECT_EQ((unsigned int)4, soa->expire); 56 EXPECT_EQ((unsigned int)5, soa->minttl); 57 ares_free_data(soa); 58 } 59 60 TEST_F(LibraryTest, ParseSoaAnyReplyErrors) { 61 DNSPacket pkt; 62 pkt.set_qid(0x1234).set_response().set_aa() 63 .add_question(new DNSQuestion("example.com", T_ANY)) 64 .add_answer(new DNSSoaRR("example.com", 100, 65 "soa1.example.com", "fred.example.com", 66 1, 2, 3, 4, 5)); 67 std::vector<byte> data; 68 struct ares_soa_reply* soa = nullptr; 69 70 // No question. 71 pkt.questions_.clear(); 72 data = pkt.data(); 73 EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), (int)data.size(), &soa)); 74 pkt.add_question(new DNSQuestion("example.com", T_ANY)); 75 76 #ifdef DISABLED 77 // Question != answer 78 pkt.questions_.clear(); 79 pkt.add_question(new DNSQuestion("Axample.com", T_ANY)); 80 data = pkt.data(); 81 EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), (int)data.size(), &soa)); 82 pkt.questions_.clear(); 83 pkt.add_question(new DNSQuestion("example.com", T_ANY)); 84 #endif 85 86 // Two questions 87 pkt.add_question(new DNSQuestion("example.com", T_ANY)); 88 data = pkt.data(); 89 EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), (int)data.size(), &soa)); 90 pkt.questions_.clear(); 91 pkt.add_question(new DNSQuestion("example.com", T_ANY)); 92 93 // Wrong sort of answer. 94 pkt.answers_.clear(); 95 pkt.add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com")); 96 data = pkt.data(); 97 EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), (int)data.size(), &soa)); 98 pkt.answers_.clear(); 99 pkt.add_answer(new DNSSoaRR("example.com", 100, 100 "soa1.example.com", "fred.example.com", 101 1, 2, 3, 4, 5)); 102 103 // No answer. 104 pkt.answers_.clear(); 105 data = pkt.data(); 106 EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), (int)data.size(), &soa)); 107 pkt.add_answer(new DNSSoaRR("example.com", 100, 108 "soa1.example.com", "fred.example.com", 109 1, 2, 3, 4, 5)); 110 111 // Truncated packets. 112 data = pkt.data(); 113 for (size_t len = 1; len < data.size(); len++) { 114 EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), (int)len, &soa)); 115 } 116 117 // Negative Length 118 EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), -1, &soa)); 119 } 120 121 TEST_F(LibraryTest, ParseSoaAnyReplyAllocFail) { 122 DNSPacket pkt; 123 pkt.set_qid(0x1234).set_response().set_aa() 124 .add_question(new DNSQuestion("example.com", T_ANY)) 125 .add_answer(new DNSSoaRR("example.com", 100, 126 "soa1.example.com", "fred.example.com", 127 1, 2, 3, 4, 5)); 128 std::vector<byte> data = pkt.data(); 129 struct ares_soa_reply* soa = nullptr; 130 131 for (int ii = 1; ii <= 5; ii++) { 132 ClearFails(); 133 SetAllocFail(ii); 134 EXPECT_EQ(ARES_ENOMEM, ares_parse_soa_reply(data.data(), (int)data.size(), &soa)) << ii; 135 } 136 } 137 138 } // namespace test 139 } // namespace ares