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/*
* Copyright (C) The c-ares project
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in
* advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* SPDX-License-Identifier: MIT
*/
#include "ares-test.h"
#include "dns-proto.h"
#include <sstream>
#include <vector>
namespace ares {
namespace test {
TEST_F(LibraryTest, ParseSoaReplyOK) {
DNSPacket pkt;
pkt.set_qid(0x1234).set_response().set_aa()
.add_question(new DNSQuestion("example.com", T_SOA))
.add_answer(new DNSSoaRR("example.com", 100,
"soa1.example.com", "fred.example.com",
1, 2, 3, 4, 5));
std::vector<byte> data = pkt.data();
struct ares_soa_reply* soa = nullptr;
EXPECT_EQ(ARES_SUCCESS, ares_parse_soa_reply(data.data(), data.size(), &soa));
ASSERT_NE(nullptr, soa);
EXPECT_EQ("soa1.example.com", std::string(soa->nsname));
EXPECT_EQ("fred.example.com", std::string(soa->hostmaster));
EXPECT_EQ(1, soa->serial);
EXPECT_EQ(2, soa->refresh);
EXPECT_EQ(3, soa->retry);
EXPECT_EQ(4, soa->expire);
EXPECT_EQ(5, soa->minttl);
ares_free_data(soa);
}
TEST_F(LibraryTest, ParseSoaReplyErrors) {
DNSPacket pkt;
pkt.set_qid(0x1234).set_response().set_aa()
.add_question(new DNSQuestion("example.com", T_SOA))
.add_answer(new DNSSoaRR("example.com", 100,
"soa1.example.com", "fred.example.com",
1, 2, 3, 4, 5));
std::vector<byte> data;
struct ares_soa_reply* soa = nullptr;
// No question.
pkt.questions_.clear();
data = pkt.data();
EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa));
pkt.add_question(new DNSQuestion("example.com", T_SOA));
#ifdef DISABLED
// Question != answer
pkt.questions_.clear();
pkt.add_question(new DNSQuestion("Axample.com", T_SOA));
data = pkt.data();
EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa));
pkt.questions_.clear();
pkt.add_question(new DNSQuestion("example.com", T_SOA));
#endif
// Two questions
pkt.add_question(new DNSQuestion("example.com", T_SOA));
data = pkt.data();
EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa));
pkt.questions_.clear();
pkt.add_question(new DNSQuestion("example.com", T_SOA));
// Wrong sort of answer.
pkt.answers_.clear();
pkt.add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com"));
data = pkt.data();
EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa));
pkt.answers_.clear();
pkt.add_answer(new DNSSoaRR("example.com", 100,
"soa1.example.com", "fred.example.com",
1, 2, 3, 4, 5));
// No answer.
pkt.answers_.clear();
data = pkt.data();
EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa));
pkt.add_answer(new DNSSoaRR("example.com", 100,
"soa1.example.com", "fred.example.com",
1, 2, 3, 4, 5));
// Truncated packets.
data = pkt.data();
for (size_t len = 1; len < data.size(); len++) {
EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), len, &soa));
}
}
TEST_F(LibraryTest, ParseSoaReplyAllocFail) {
DNSPacket pkt;
pkt.set_qid(0x1234).set_response().set_aa()
.add_question(new DNSQuestion("example.com", T_SOA))
.add_answer(new DNSSoaRR("example.com", 100,
"soa1.example.com", "fred.example.com",
1, 2, 3, 4, 5));
std::vector<byte> data = pkt.data();
struct ares_soa_reply* soa = nullptr;
for (int ii = 1; ii <= 5; ii++) {
ClearFails();
SetAllocFail(ii);
EXPECT_EQ(ARES_ENOMEM, ares_parse_soa_reply(data.data(), data.size(), &soa)) << ii;
}
}
} // namespace test
} // namespace ares
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