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Diffstat (limited to 'test/ares-test-parse-ptr.cc')
-rw-r--r-- | test/ares-test-parse-ptr.cc | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/test/ares-test-parse-ptr.cc b/test/ares-test-parse-ptr.cc deleted file mode 100644 index c769b29..0000000 --- a/test/ares-test-parse-ptr.cc +++ /dev/null @@ -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 |