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-rw-r--r--test/ares-test-parse-txt.cc266
1 files changed, 0 insertions, 266 deletions
diff --git a/test/ares-test-parse-txt.cc b/test/ares-test-parse-txt.cc
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--- a/test/ares-test-parse-txt.cc
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-#include "ares-test.h"
-#include "dns-proto.h"
-
-#include <sstream>
-#include <vector>
-
-namespace ares {
-namespace test {
-
-TEST_F(LibraryTest, ParseTxtReplyOK) {
- DNSPacket pkt;
- std::string expected1 = "txt1.example.com";
- std::string expected2a = "txt2a";
- std::string expected2b("ABC\0ABC", 7);
- pkt.set_qid(0x1234).set_response().set_aa()
- .add_question(new DNSQuestion("example.com", ns_t_mx))
- .add_answer(new DNSTxtRR("example.com", 100, {expected1}))
- .add_answer(new DNSTxtRR("example.com", 100, {expected2a, expected2b}));
- std::vector<byte> data = pkt.data();
-
- struct ares_txt_reply* txt = nullptr;
- EXPECT_EQ(ARES_SUCCESS, ares_parse_txt_reply(data.data(), data.size(), &txt));
- ASSERT_NE(nullptr, txt);
- EXPECT_EQ(std::vector<byte>(expected1.data(), expected1.data() + expected1.size()),
- std::vector<byte>(txt->txt, txt->txt + txt->length));
-
- struct ares_txt_reply* txt2 = txt->next;
- ASSERT_NE(nullptr, txt2);
- EXPECT_EQ(std::vector<byte>(expected2a.data(), expected2a.data() + expected2a.size()),
- std::vector<byte>(txt2->txt, txt2->txt + txt2->length));
-
- struct ares_txt_reply* txt3 = txt2->next;
- ASSERT_NE(nullptr, txt3);
- EXPECT_EQ(std::vector<byte>(expected2b.data(), expected2b.data() + expected2b.size()),
- std::vector<byte>(txt3->txt, txt3->txt + txt3->length));
- EXPECT_EQ(nullptr, txt3->next);
-
- ares_free_data(txt);
-}
-
-TEST_F(LibraryTest, ParseTxtExtReplyOK) {
- DNSPacket pkt;
- std::string expected1 = "txt1.example.com";
- std::string expected2a = "txt2a";
- std::string expected2b("ABC\0ABC", 7);
- pkt.set_qid(0x1234).set_response().set_aa()
- .add_question(new DNSQuestion("example.com", ns_t_mx))
- .add_answer(new DNSTxtRR("example.com", 100, {expected1}))
- .add_answer(new DNSTxtRR("example.com", 100, {expected2a, expected2b}));
- std::vector<byte> data = pkt.data();
-
- struct ares_txt_ext* txt = nullptr;
- EXPECT_EQ(ARES_SUCCESS, ares_parse_txt_reply_ext(data.data(), data.size(), &txt));
- ASSERT_NE(nullptr, txt);
- EXPECT_EQ(std::vector<byte>(expected1.data(), expected1.data() + expected1.size()),
- std::vector<byte>(txt->txt, txt->txt + txt->length));
- EXPECT_EQ(1, txt->record_start);
-
- struct ares_txt_ext* txt2 = txt->next;
- ASSERT_NE(nullptr, txt2);
- EXPECT_EQ(std::vector<byte>(expected2a.data(), expected2a.data() + expected2a.size()),
- std::vector<byte>(txt2->txt, txt2->txt + txt2->length));
- EXPECT_EQ(1, txt2->record_start);
-
- struct ares_txt_ext* txt3 = txt2->next;
- ASSERT_NE(nullptr, txt3);
- EXPECT_EQ(std::vector<byte>(expected2b.data(), expected2b.data() + expected2b.size()),
- std::vector<byte>(txt3->txt, txt3->txt + txt3->length));
- EXPECT_EQ(nullptr, txt3->next);
- EXPECT_EQ(0, txt3->record_start);
-
- ares_free_data(txt);
-}
-
-TEST_F(LibraryTest, ParseTxtMalformedReply1) {
- std::vector<byte> data = {
- 0x12, 0x34, // qid
- 0x84, // response + query + AA + not-TC + not-RD
- 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError
- 0x00, 0x01, // num questions
- 0x00, 0x01, // num answer RRs
- 0x00, 0x00, // num authority RRs
- 0x00, 0x00, // num additional RRs
- // Question
- 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
- 0x03, 'c', 'o', 'm',
- 0x00,
- 0x00, 0x10, // type TXT
- 0x00, 0x01, // class IN
- // Answer 1
- 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
- 0x03, 'c', 'o', 'm',
- 0x00,
- 0x00, 0x10, // RR type
- 0x00, 0x01, // class IN
- 0x01, 0x02, 0x03, 0x04, // TTL
- 0x00, 0x03, // rdata length
- 0x12, 'a', 'b', // invalid length
- };
-
- struct ares_txt_reply* txt = nullptr;
- EXPECT_EQ(ARES_EBADRESP, ares_parse_txt_reply(data.data(), data.size(), &txt));
- ASSERT_EQ(nullptr, txt);
-}
-
-TEST_F(LibraryTest, ParseTxtMalformedReply2) {
- std::vector<byte> data = {
- 0x12, 0x34, // qid
- 0x84, // response + query + AA + not-TC + not-RD
- 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError
- 0x00, 0x01, // num questions
- 0x00, 0x01, // num answer RRs
- 0x00, 0x00, // num authority RRs
- 0x00, 0x00, // num additional RRs
- // Question
- 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
- 0x03, 'c', 'o', 'm',
- 0x00,
- 0x00, 0x10, // type TXT
- 0x00, 0x01, // class IN
- // Answer 1
- 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
- 0x03, 'c', 'o', 'm',
- 0x00,
- 0x00, 0x10, // RR type
- // truncated
- };
-
- struct ares_txt_reply* txt = nullptr;
- EXPECT_EQ(ARES_EBADRESP, ares_parse_txt_reply(data.data(), data.size(), &txt));
- ASSERT_EQ(nullptr, txt);
-}
-
-TEST_F(LibraryTest, ParseTxtMalformedReply3) {
- std::vector<byte> data = {
- 0x12, 0x34, // qid
- 0x84, // response + query + AA + not-TC + not-RD
- 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError
- 0x00, 0x01, // num questions
- 0x00, 0x01, // num answer RRs
- 0x00, 0x00, // num authority RRs
- 0x00, 0x00, // num additional RRs
- // Question
- 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
- 0x03, 'c', 'o', 'm',
- 0x00,
- 0x00, 0x10, // type TXT
- 0x00, 0x01, // class IN
- // Answer 1
- 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
- 0x03, 'c', 'o', 'm',
- 0x00,
- 0x00, 0x10, // RR type
- 0x00, 0x01, // class IN
- 0x01, 0x02, 0x03, 0x04, // TTL
- 0x00, 0x13, // rdata length INVALID
- 0x02, 'a', 'b',
- };
-
- struct ares_txt_reply* txt = nullptr;
- EXPECT_EQ(ARES_EBADRESP, ares_parse_txt_reply(data.data(), data.size(), &txt));
- ASSERT_EQ(nullptr, txt);
-}
-
-TEST_F(LibraryTest, ParseTxtMalformedReply4) {
- std::vector<byte> data = {
- 0x12, 0x34, // qid
- 0x84, // response + query + AA + not-TC + not-RD
- 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError
- 0x00, 0x01, // num questions
- 0x00, 0x01, // num answer RRs
- 0x00, 0x00, // num authority RRs
- 0x00, 0x00, // num additional RRs
- // Question
- 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
- 0x03, 'c', 'o', 'm',
- 0x00,
- 0x00, 0x10, // type TXT
- 0x00, // TRUNCATED
- };
-
- struct ares_txt_reply* txt = nullptr;
- EXPECT_EQ(ARES_EBADRESP, ares_parse_txt_reply(data.data(), data.size(), &txt));
- ASSERT_EQ(nullptr, txt);
-}
-
-TEST_F(LibraryTest, ParseTxtReplyErrors) {
- DNSPacket pkt;
- std::string expected1 = "txt1.example.com";
- std::string expected2a = "txt2a";
- std::string expected2b = "txt2b";
- pkt.set_qid(0x1234).set_response().set_aa()
- .add_question(new DNSQuestion("example.com", ns_t_mx))
- .add_answer(new DNSTxtRR("example.com", 100, {expected1}))
- .add_answer(new DNSTxtRR("example.com", 100, {expected1}))
- .add_answer(new DNSTxtRR("example.com", 100, {expected2a, expected2b}));
- std::vector<byte> data = pkt.data();
- struct ares_txt_reply* txt = nullptr;
-
- // No question.
- pkt.questions_.clear();
- data = pkt.data();
- txt = nullptr;
- EXPECT_EQ(ARES_EBADRESP, ares_parse_txt_reply(data.data(), data.size(), &txt));
- EXPECT_EQ(nullptr, txt);
- pkt.add_question(new DNSQuestion("example.com", ns_t_mx));
-
-#ifdef DISABLED
- // Question != answer
- pkt.questions_.clear();
- pkt.add_question(new DNSQuestion("Axample.com", ns_t_txt));
- data = pkt.data();
- EXPECT_EQ(ARES_ENODATA, ares_parse_txt_reply(data.data(), data.size(), &txt));
- pkt.questions_.clear();
- pkt.add_question(new DNSQuestion("example.com", ns_t_txt));
-#endif
-
- // Two questions.
- pkt.add_question(new DNSQuestion("example.com", ns_t_mx));
- data = pkt.data();
- txt = nullptr;
- EXPECT_EQ(ARES_EBADRESP, ares_parse_txt_reply(data.data(), data.size(), &txt));
- EXPECT_EQ(nullptr, txt);
- pkt.questions_.clear();
- pkt.add_question(new DNSQuestion("example.com", ns_t_mx));
-
- // No answer.
- pkt.answers_.clear();
- data = pkt.data();
- txt = nullptr;
- EXPECT_EQ(ARES_ENODATA, ares_parse_txt_reply(data.data(), data.size(), &txt));
- EXPECT_EQ(nullptr, txt);
- pkt.add_answer(new DNSTxtRR("example.com", 100, {expected1}));
-
- // Truncated packets.
- for (size_t len = 1; len < data.size(); len++) {
- txt = nullptr;
- EXPECT_NE(ARES_SUCCESS, ares_parse_txt_reply(data.data(), len, &txt));
- EXPECT_EQ(nullptr, txt);
- }
-}
-
-TEST_F(LibraryTest, ParseTxtReplyAllocFail) {
- DNSPacket pkt;
- std::string expected1 = "txt1.example.com";
- std::string expected2a = "txt2a";
- std::string expected2b = "txt2b";
- pkt.set_qid(0x1234).set_response().set_aa()
- .add_question(new DNSQuestion("example.com", ns_t_mx))
- .add_answer(new DNSCnameRR("example.com", 300, "c.example.com"))
- .add_answer(new DNSTxtRR("c.example.com", 100, {expected1}))
- .add_answer(new DNSTxtRR("c.example.com", 100, {expected1}))
- .add_answer(new DNSTxtRR("c.example.com", 100, {expected2a, expected2b}));
- std::vector<byte> data = pkt.data();
- struct ares_txt_reply* txt = nullptr;
-
- for (int ii = 1; ii <= 13; ii++) {
- ClearFails();
- SetAllocFail(ii);
- EXPECT_EQ(ARES_ENOMEM, ares_parse_txt_reply(data.data(), data.size(), &txt)) << ii;
- }
-}
-
-
-} // namespace test
-} // namespace ares