From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:45:59 +0200 Subject: Adding upstream version 16.2.11+ds. Signed-off-by: Daniel Baumann --- src/c-ares/test/ares-test-parse-ns.cc | 119 ++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 src/c-ares/test/ares-test-parse-ns.cc (limited to 'src/c-ares/test/ares-test-parse-ns.cc') diff --git a/src/c-ares/test/ares-test-parse-ns.cc b/src/c-ares/test/ares-test-parse-ns.cc new file mode 100644 index 000000000..cd6531896 --- /dev/null +++ b/src/c-ares/test/ares-test-parse-ns.cc @@ -0,0 +1,119 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include +#include + +namespace ares { +namespace test { + +TEST_F(LibraryTest, ParseNsReplyOK) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_ns)) + .add_answer(new DNSNsRR("example.com", 100, "ns.example.com")); + std::vector data = pkt.data(); + + struct hostent *host = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_ns_reply(data.data(), data.size(), &host)); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'example.com' aliases=[ns.example.com] addrs=[]}", ss.str()); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParseNsReplyMultiple) { + DNSPacket pkt; + pkt.set_qid(10501).set_response().set_rd().set_ra() + .add_question(new DNSQuestion("google.com", ns_t_ns)) + .add_answer(new DNSNsRR("google.com", 59, "ns1.google.com")) + .add_answer(new DNSNsRR("google.com", 59, "ns2.google.com")) + .add_answer(new DNSNsRR("google.com", 59, "ns3.google.com")) + .add_answer(new DNSNsRR("google.com", 59, "ns4.google.com")) + .add_additional(new DNSARR("ns4.google.com", 247, {216,239,38,10})) + .add_additional(new DNSARR("ns2.google.com", 247, {216,239,34,10})) + .add_additional(new DNSARR("ns1.google.com", 247, {216,239,32,10})) + .add_additional(new DNSARR("ns3.google.com", 247, {216,239,36,10})); + std::vector data = pkt.data(); + + struct hostent *host = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_ns_reply(data.data(), data.size(), &host)); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'google.com' aliases=[ns1.google.com, ns2.google.com, ns3.google.com, ns4.google.com] addrs=[]}", ss.str()); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParseNsReplyErrors) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_ns)) + .add_answer(new DNSNsRR("example.com", 100, "ns.example.com")); + std::vector data; + struct hostent *host = nullptr; + + // No question. + pkt.questions_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_ns_reply(data.data(), data.size(), &host)); + pkt.add_question(new DNSQuestion("example.com", ns_t_ns)); + +#ifdef DISABLED + // Question != answer + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("Axample.com", ns_t_ns)); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_ns_reply(data.data(), data.size(), &host)); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_ns)); +#endif + + // Two questions. + pkt.add_question(new DNSQuestion("example.com", ns_t_ns)); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_ns_reply(data.data(), data.size(), &host)); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_ns)); + + // 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_ns_reply(data.data(), data.size(), &host)); + pkt.answers_.clear(); + pkt.add_answer(new DNSNsRR("example.com", 100, "ns.example.com")); + + // No answer. + pkt.answers_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_ns_reply(data.data(), data.size(), &host)); + pkt.add_answer(new DNSNsRR("example.com", 100, "ns.example.com")); + + // Truncated packets. + data = pkt.data(); + for (size_t len = 1; len < data.size(); len++) { + EXPECT_EQ(ARES_EBADRESP, ares_parse_ns_reply(data.data(), len, &host)); + } +} + +TEST_F(LibraryTest, ParseNsReplyAllocFail) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_ns)) + .add_answer(new DNSCnameRR("example.com", 300, "c.example.com")) + .add_answer(new DNSNsRR("c.example.com", 100, "ns.example.com")); + std::vector data = pkt.data(); + struct hostent *host = nullptr; + + for (int ii = 1; ii <= 8; ii++) { + ClearFails(); + SetAllocFail(ii); + EXPECT_EQ(ARES_ENOMEM, ares_parse_ns_reply(data.data(), data.size(), &host)) << ii; + } +} + + +} // namespace test +} // namespace ares -- cgit v1.2.3