120 lines
4.3 KiB
C++
120 lines
4.3 KiB
C++
#include "ares-test.h"
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#include "dns-proto.h"
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#include <sstream>
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#include <vector>
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namespace ares {
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namespace test {
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TEST_F(LibraryTest, ParseNaptrReplyOK) {
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DNSPacket pkt;
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pkt.set_qid(0x1234).set_response().set_aa()
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.add_question(new DNSQuestion("example.com", ns_t_naptr))
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.add_answer(new DNSNaptrRR("example.com", 100,
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10, 20, "SP", "service", "regexp", "replace"))
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.add_answer(new DNSNaptrRR("example.com", 0x0010,
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11, 21, "SP", "service2", "regexp2", "replace2"));
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std::vector<byte> data = pkt.data();
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struct ares_naptr_reply* naptr = nullptr;
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EXPECT_EQ(ARES_SUCCESS, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
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ASSERT_NE(nullptr, naptr);
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EXPECT_EQ("SP", std::string((char*)naptr->flags));
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EXPECT_EQ("service", std::string((char*)naptr->service));
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EXPECT_EQ("regexp", std::string((char*)naptr->regexp));
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EXPECT_EQ("replace", std::string((char*)naptr->replacement));
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EXPECT_EQ(10, naptr->order);
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EXPECT_EQ(20, naptr->preference);
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struct ares_naptr_reply* naptr2 = naptr->next;
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ASSERT_NE(nullptr, naptr2);
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EXPECT_EQ("SP", std::string((char*)naptr2->flags));
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EXPECT_EQ("service2", std::string((char*)naptr2->service));
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EXPECT_EQ("regexp2", std::string((char*)naptr2->regexp));
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EXPECT_EQ("replace2", std::string((char*)naptr2->replacement));
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EXPECT_EQ(11, naptr2->order);
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EXPECT_EQ(21, naptr2->preference);
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EXPECT_EQ(nullptr, naptr2->next);
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ares_free_data(naptr);
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}
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TEST_F(LibraryTest, ParseNaptrReplyErrors) {
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DNSPacket pkt;
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pkt.set_qid(0x1234).set_response().set_aa()
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.add_question(new DNSQuestion("example.com", ns_t_naptr))
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.add_answer(new DNSNaptrRR("example.com", 100,
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10, 20, "SP", "service", "regexp", "replace"));
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std::vector<byte> data;
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struct ares_naptr_reply* naptr = nullptr;
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// No question.
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pkt.questions_.clear();
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data = pkt.data();
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EXPECT_EQ(ARES_EBADRESP, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
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pkt.add_question(new DNSQuestion("example.com", ns_t_naptr));
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#ifdef DISABLED
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// Question != answer
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pkt.questions_.clear();
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pkt.add_question(new DNSQuestion("Axample.com", ns_t_naptr));
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data = pkt.data();
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EXPECT_EQ(ARES_ENODATA, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
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pkt.questions_.clear();
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pkt.add_question(new DNSQuestion("example.com", ns_t_naptr));
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#endif
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// Two questions
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pkt.add_question(new DNSQuestion("example.com", ns_t_naptr));
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data = pkt.data();
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EXPECT_EQ(ARES_EBADRESP, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
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pkt.questions_.clear();
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pkt.add_question(new DNSQuestion("example.com", ns_t_naptr));
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// Wrong sort of answer.
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pkt.answers_.clear();
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pkt.add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com"));
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data = pkt.data();
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EXPECT_EQ(ARES_SUCCESS, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
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EXPECT_EQ(nullptr, naptr);
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pkt.answers_.clear();
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pkt.add_answer(new DNSNaptrRR("example.com", 100,
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10, 20, "SP", "service", "regexp", "replace"));
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// No answer.
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pkt.answers_.clear();
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data = pkt.data();
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EXPECT_EQ(ARES_ENODATA, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
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pkt.add_answer(new DNSNaptrRR("example.com", 100,
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10, 20, "SP", "service", "regexp", "replace"));
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// Truncated packets.
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data = pkt.data();
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for (size_t len = 1; len < data.size(); len++) {
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int rc = ares_parse_naptr_reply(data.data(), len, &naptr);
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EXPECT_TRUE(rc == ARES_EBADRESP || rc == ARES_EBADNAME);
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}
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}
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TEST_F(LibraryTest, ParseNaptrReplyAllocFail) {
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DNSPacket pkt;
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pkt.set_qid(0x1234).set_response().set_aa()
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.add_question(new DNSQuestion("example.com", ns_t_naptr))
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.add_answer(new DNSNaptrRR("example.com", 100,
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10, 20, "SP", "service", "regexp", "replace"))
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.add_answer(new DNSNaptrRR("example.com", 0x0010,
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11, 21, "SP", "service2", "regexp2", "replace2"));
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std::vector<byte> data = pkt.data();
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struct ares_naptr_reply* naptr = nullptr;
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for (int ii = 1; ii <= 13; ii++) {
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ClearFails();
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SetAllocFail(ii);
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EXPECT_EQ(ARES_ENOMEM, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
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}
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}
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} // namespace test
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} // namespace ares
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