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-rw-r--r--test/ares-test-parse-ptr.cc249
1 files changed, 0 insertions, 249 deletions
diff --git a/test/ares-test-parse-ptr.cc b/test/ares-test-parse-ptr.cc
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--- a/test/ares-test-parse-ptr.cc
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@@ -1,249 +0,0 @@
-#include "ares-test.h"
-#include "dns-proto.h"
-
-#include <sstream>
-#include <vector>
-
-namespace ares {
-namespace test {
-
-TEST_F(LibraryTest, ParsePtrReplyOK) {
- byte addrv4[4] = {0x10, 0x20, 0x30, 0x40};
- DNSPacket pkt;
- pkt.set_qid(0x1234).set_response().set_aa()
- .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other.com"));
- std::vector<byte> data = pkt.data();
-
- struct hostent *host = nullptr;
- EXPECT_EQ(ARES_SUCCESS, ares_parse_ptr_reply(data.data(), data.size(),
- addrv4, sizeof(addrv4), AF_INET, &host));
- ASSERT_NE(nullptr, host);
- std::stringstream ss;
- ss << HostEnt(host);
- EXPECT_EQ("{'other.com' aliases=[other.com] addrs=[16.32.48.64]}", ss.str());
- ares_free_hostent(host);
-}
-
-TEST_F(LibraryTest, ParsePtrReplyCname) {
- byte addrv4[4] = {0x10, 0x20, 0x30, 0x40};
- DNSPacket pkt;
- pkt.set_qid(0x1234).set_response().set_aa()
- .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr))
- .add_answer(new DNSCnameRR("64.48.32.16.in-addr.arpa", 50, "64.48.32.8.in-addr.arpa"))
- .add_answer(new DNSPtrRR("64.48.32.8.in-addr.arpa", 100, "other.com"));
- std::vector<byte> data = pkt.data();
-
- struct hostent *host = nullptr;
- EXPECT_EQ(ARES_SUCCESS, ares_parse_ptr_reply(data.data(), data.size(),
- addrv4, sizeof(addrv4), AF_INET, &host));
- ASSERT_NE(nullptr, host);
- std::stringstream ss;
- ss << HostEnt(host);
- EXPECT_EQ("{'other.com' aliases=[other.com] addrs=[16.32.48.64]}", ss.str());
- ares_free_hostent(host);
-}
-
-
-struct DNSMalformedCnameRR : public DNSCnameRR {
- DNSMalformedCnameRR(const std::string& name, int ttl, const std::string& other)
- : DNSCnameRR(name, ttl, other) {}
- std::vector<byte> data() const {
- std::vector<byte> data = DNSRR::data();
- std::vector<byte> encname = EncodeString(other_);
- encname[0] = encname[0] + 63; // invalid label length
- int len = encname.size();
- PushInt16(&data, len);
- data.insert(data.end(), encname.begin(), encname.end());
- return data;
- }
-};
-
-TEST_F(LibraryTest, ParsePtrReplyMalformedCname) {
- byte addrv4[4] = {0x10, 0x20, 0x30, 0x40};
- DNSPacket pkt;
- pkt.set_qid(0x1234).set_response().set_aa()
- .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr))
- .add_answer(new DNSMalformedCnameRR("64.48.32.16.in-addr.arpa", 50, "64.48.32.8.in-addr.arpa"))
- .add_answer(new DNSPtrRR("64.48.32.8.in-addr.arpa", 100, "other.com"));
- std::vector<byte> data = pkt.data();
-
- struct hostent *host = nullptr;
- EXPECT_EQ(ARES_EBADRESP, ares_parse_ptr_reply(data.data(), data.size(),
- addrv4, sizeof(addrv4), AF_INET, &host));
- ASSERT_EQ(nullptr, host);
-}
-
-TEST_F(LibraryTest, ParseManyPtrReply) {
- byte addrv4[4] = {0x10, 0x20, 0x30, 0x40};
- DNSPacket pkt;
- pkt.set_qid(0x1234).set_response().set_aa()
- .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "main.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other1.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other2.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other3.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other4.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other5.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other6.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other7.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other8.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other9.com"));
- std::vector<byte> data = pkt.data();
-
- struct hostent *host = nullptr;
- EXPECT_EQ(ARES_SUCCESS, ares_parse_ptr_reply(data.data(), data.size(),
- addrv4, sizeof(addrv4), AF_INET, &host));
- ASSERT_NE(nullptr, host);
- ares_free_hostent(host);
-}
-
-TEST_F(LibraryTest, ParsePtrReplyAdditional) {
- byte addrv4[4] = {0x10, 0x20, 0x30, 0x40};
- DNSPacket pkt;
- pkt.set_qid(0x1234).set_response().set_aa()
- .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 55, "other.com"))
- .add_auth(new DNSNsRR("16.in-addr.arpa", 234, "ns1.other.com"))
- .add_auth(new DNSNsRR("16.in-addr.arpa", 234, "bb.ns2.other.com"))
- .add_auth(new DNSNsRR("16.in-addr.arpa", 234, "ns3.other.com"))
- .add_additional(new DNSARR("ns1.other.com", 229, {10,20,30,41}))
- .add_additional(new DNSARR("bb.ns2.other.com", 229, {10,20,30,42}))
- .add_additional(new DNSARR("ns3.other.com", 229, {10,20,30,43}));
- std::vector<byte> data = pkt.data();
-
- struct hostent *host = nullptr;
- EXPECT_EQ(ARES_SUCCESS, ares_parse_ptr_reply(data.data(), data.size(),
- addrv4, sizeof(addrv4), AF_INET, &host));
- ASSERT_NE(nullptr, host);
- std::stringstream ss;
- ss << HostEnt(host);
- EXPECT_EQ("{'other.com' aliases=[other.com] addrs=[16.32.48.64]}", ss.str());
- ares_free_hostent(host);
-}
-
-TEST_F(LibraryTest, ParsePtrReplyErrors) {
- byte addrv4[4] = {0x10, 0x20, 0x30, 0x40};
- DNSPacket pkt;
- pkt.set_qid(0x1234).set_response().set_aa()
- .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other.com"));
- std::vector<byte> data;
- struct hostent *host = nullptr;
-
- // No question.
- pkt.questions_.clear();
- data = pkt.data();
- EXPECT_EQ(ARES_EBADRESP, ares_parse_ptr_reply(data.data(), data.size(),
- addrv4, sizeof(addrv4), AF_INET, &host));
- pkt.add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr));
-
- // Question != answer
- pkt.questions_.clear();
- pkt.add_question(new DNSQuestion("99.48.32.16.in-addr.arpa", ns_t_ptr));
- data = pkt.data();
- EXPECT_EQ(ARES_ENODATA, ares_parse_ptr_reply(data.data(), data.size(),
- addrv4, sizeof(addrv4), AF_INET, &host));
- EXPECT_EQ(nullptr, host);
- pkt.questions_.clear();
- pkt.add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr));
-
- // Two questions.
- pkt.add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr));
- data = pkt.data();
- EXPECT_EQ(ARES_EBADRESP, ares_parse_ptr_reply(data.data(), data.size(),
- addrv4, sizeof(addrv4), AF_INET, &host));
- EXPECT_EQ(nullptr, host);
- pkt.questions_.clear();
- pkt.add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr));
-
- // 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_ENODATA, ares_parse_ptr_reply(data.data(), data.size(),
- addrv4, sizeof(addrv4), AF_INET, &host));
- EXPECT_EQ(nullptr, host);
- pkt.answers_.clear();
- pkt.add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other.com"));
-
- // No answer.
- pkt.answers_.clear();
- data = pkt.data();
- EXPECT_EQ(ARES_ENODATA, ares_parse_ptr_reply(data.data(), data.size(),
- addrv4, sizeof(addrv4), AF_INET, &host));
- EXPECT_EQ(nullptr, host);
- pkt.add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other.com"));
-
- // Truncated packets.
- data = pkt.data();
- for (size_t len = 1; len < data.size(); len++) {
- EXPECT_EQ(ARES_EBADRESP, ares_parse_ptr_reply(data.data(), len,
- addrv4, sizeof(addrv4), AF_INET, &host));
- EXPECT_EQ(nullptr, host);
- }
-
- // Truncated packets with CNAME.
- pkt.add_answer(new DNSCnameRR("64.48.32.16.in-addr.arpa", 50, "64.48.32.8.in-addr.arpa"));
- data = pkt.data();
- for (size_t len = 1; len < data.size(); len++) {
- EXPECT_EQ(ARES_EBADRESP, ares_parse_ptr_reply(data.data(), len,
- addrv4, sizeof(addrv4), AF_INET, &host));
- EXPECT_EQ(nullptr, host);
- }
-}
-
-TEST_F(LibraryTest, ParsePtrReplyAllocFailSome) {
- byte addrv4[4] = {0x10, 0x20, 0x30, 0x40};
- DNSPacket pkt;
- pkt.set_qid(0x1234).set_response().set_aa()
- .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "main.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other1.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other2.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other3.com"));
- std::vector<byte> data = pkt.data();
- struct hostent *host = nullptr;
-
- for (int ii = 1; ii <= 18; ii++) {
- ClearFails();
- SetAllocFail(ii);
- EXPECT_EQ(ARES_ENOMEM, ares_parse_ptr_reply(data.data(), data.size(),
- addrv4, sizeof(addrv4), AF_INET, &host)) << ii;
- }
-}
-
-TEST_F(LibraryTest, ParsePtrReplyAllocFailMany) {
- byte addrv4[4] = {0x10, 0x20, 0x30, 0x40};
- DNSPacket pkt;
- pkt.set_qid(0x1234).set_response().set_aa()
- .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "main.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other1.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other2.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other3.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other4.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other5.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other6.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other7.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other8.com"))
- .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other9.com"));
- std::vector<byte> data = pkt.data();
- struct hostent *host = nullptr;
-
- for (int ii = 1; ii <= 63; ii++) {
- ClearFails();
- SetAllocFail(ii);
- int rc = ares_parse_ptr_reply(data.data(), data.size(),
- addrv4, sizeof(addrv4), AF_INET, &host);
- if (rc != ARES_ENOMEM) {
- EXPECT_EQ(ARES_SUCCESS, rc);
- ares_free_hostent(host);
- host = nullptr;
- }
- }
-}
-
-
-} // namespace test
-} // namespace ares