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authorYu Jiung <jiung.yu@samsung.com>2016-11-09 02:18:45 (GMT)
committerYu Jiung <jiung.yu@samsung.com>2016-11-09 02:18:55 (GMT)
commiteb886f120599b2a184db20b527db6dfdfcb7852e (patch)
treeb49d8075742c4a27b237fa183cb68670e421d398 /test/ares-test-parse-aaaa.cc
parentb6627e2c19506bd30328969ea8aab73fa0945f36 (diff)
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Imported Upstream version 1.11.0upstream/1.11.0refs/changes/18/96418/1
Change-Id: I238c24b75a10aa902d9bc4076ed68b76b5e2a750
Diffstat (limited to 'test/ares-test-parse-aaaa.cc')
-rw-r--r--test/ares-test-parse-aaaa.cc191
1 files changed, 191 insertions, 0 deletions
diff --git a/test/ares-test-parse-aaaa.cc b/test/ares-test-parse-aaaa.cc
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+++ b/test/ares-test-parse-aaaa.cc
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+#include "ares-test.h"
+#include "dns-proto.h"
+
+#include <sstream>
+#include <vector>
+
+namespace ares {
+namespace test {
+
+TEST_F(LibraryTest, ParseAaaaReplyOK) {
+ DNSPacket pkt;
+ pkt.set_qid(0x1234).set_response().set_aa()
+ .add_question(new DNSQuestion("example.com", ns_t_aaaa))
+ .add_answer(new DNSAaaaRR("example.com", 100,
+ {0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02,
+ 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04}));
+ std::vector<byte> data = pkt.data();
+ struct hostent *host = nullptr;
+ struct ares_addr6ttl info[5];
+ int count = 5;
+ EXPECT_EQ(ARES_SUCCESS, ares_parse_aaaa_reply(data.data(), data.size(),
+ &host, info, &count));
+ EXPECT_EQ(1, count);
+ EXPECT_EQ(100, info[0].ttl);
+ EXPECT_EQ(0x01, info[0].ip6addr._S6_un._S6_u8[0]);
+ EXPECT_EQ(0x02, info[0].ip6addr._S6_un._S6_u8[4]);
+ ASSERT_NE(nullptr, host);
+ std::stringstream ss;
+ ss << HostEnt(host);
+ EXPECT_EQ("{'example.com' aliases=[] addrs=[0101:0101:0202:0202:0303:0303:0404:0404]}", ss.str());
+ ares_free_hostent(host);
+
+ // Repeat without providing places to put the results
+ count = 0;
+ EXPECT_EQ(ARES_SUCCESS, ares_parse_aaaa_reply(data.data(), data.size(),
+ nullptr, info, &count));
+}
+
+TEST_F(LibraryTest, ParseAaaaReplyCname) {
+ DNSPacket pkt;
+ pkt.set_qid(0x1234).set_response().set_aa()
+ .add_question(new DNSQuestion("example.com", ns_t_aaaa))
+ .add_answer(new DNSCnameRR("example.com", 50, "c.example.com"))
+ .add_answer(new DNSAaaaRR("c.example.com", 100,
+ {0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02,
+ 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04}));
+ std::vector<byte> data = pkt.data();
+ struct hostent *host = nullptr;
+ struct ares_addr6ttl info[5];
+ int count = 5;
+ EXPECT_EQ(ARES_SUCCESS, ares_parse_aaaa_reply(data.data(), data.size(),
+ &host, info, &count));
+ EXPECT_EQ(1, count);
+ // CNAME TTL overrides AAAA TTL.
+ EXPECT_EQ(50, info[0].ttl);
+ EXPECT_EQ(0x01, info[0].ip6addr._S6_un._S6_u8[0]);
+ EXPECT_EQ(0x02, info[0].ip6addr._S6_un._S6_u8[4]);
+ ASSERT_NE(nullptr, host);
+ std::stringstream ss;
+ ss << HostEnt(host);
+ EXPECT_EQ("{'c.example.com' aliases=[example.com] addrs=[0101:0101:0202:0202:0303:0303:0404:0404]}", ss.str());
+ ares_free_hostent(host);
+
+ // Repeat without providing a hostent
+ count = 5;
+ EXPECT_EQ(ARES_SUCCESS, ares_parse_aaaa_reply(data.data(), data.size(),
+ nullptr, info, &count));
+ EXPECT_EQ(1, count);
+ EXPECT_EQ(50, info[0].ttl);
+ EXPECT_EQ(0x01, info[0].ip6addr._S6_un._S6_u8[0]);
+ EXPECT_EQ(0x02, info[0].ip6addr._S6_un._S6_u8[4]);
+}
+
+TEST_F(LibraryTest, ParseAaaaReplyNoData) {
+ DNSPacket pkt;
+ pkt.set_qid(0x1234).set_response().set_aa()
+ .add_question(new DNSQuestion("example.com", ns_t_aaaa));
+ std::vector<byte> data = pkt.data();
+ struct hostent *host = nullptr;
+ struct ares_addr6ttl info[2];
+ int count = 2;
+ EXPECT_EQ(ARES_ENODATA, ares_parse_aaaa_reply(data.data(), data.size(),
+ &host, info, &count));
+ EXPECT_EQ(0, count);
+ EXPECT_EQ(nullptr, host);
+
+ // Again but with a CNAME.
+ pkt.add_answer(new DNSCnameRR("example.com", 200, "c.example.com"));
+ EXPECT_EQ(ARES_ENODATA, ares_parse_aaaa_reply(data.data(), data.size(),
+ &host, info, &count));
+ EXPECT_EQ(0, count);
+ EXPECT_EQ(nullptr, host);
+}
+
+TEST_F(LibraryTest, ParseAaaaReplyErrors) {
+ DNSPacket pkt;
+ pkt.set_qid(0x1234).set_response().set_aa()
+ .add_question(new DNSQuestion("example.com", ns_t_aaaa))
+ .add_answer(new DNSAaaaRR("example.com", 100,
+ {0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02,
+ 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04}));
+ std::vector<byte> data;
+
+ struct hostent *host = nullptr;
+ struct ares_addr6ttl info[2];
+ int count = 2;
+
+ // No question.
+ pkt.questions_.clear();
+ data = pkt.data();
+ EXPECT_EQ(ARES_EBADRESP, ares_parse_aaaa_reply(data.data(), data.size(),
+ &host, info, &count));
+ EXPECT_EQ(nullptr, host);
+ pkt.add_question(new DNSQuestion("example.com", ns_t_aaaa));
+
+ // Question != answer
+ pkt.questions_.clear();
+ pkt.add_question(new DNSQuestion("Axample.com", ns_t_aaaa));
+ data = pkt.data();
+ EXPECT_EQ(ARES_ENODATA, ares_parse_aaaa_reply(data.data(), data.size(),
+ &host, info, &count));
+ EXPECT_EQ(nullptr, host);
+ pkt.questions_.clear();
+ pkt.add_question(new DNSQuestion("example.com", ns_t_aaaa));
+
+ // Two questions.
+ pkt.add_question(new DNSQuestion("example.com", ns_t_aaaa));
+ data = pkt.data();
+ EXPECT_EQ(ARES_EBADRESP, ares_parse_aaaa_reply(data.data(), data.size(),
+ &host, info, &count));
+ EXPECT_EQ(nullptr, host);
+ pkt.questions_.clear();
+ pkt.add_question(new DNSQuestion("example.com", ns_t_aaaa));
+
+ // 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_aaaa_reply(data.data(), data.size(),
+ &host, info, &count));
+ EXPECT_EQ(nullptr, host);
+ pkt.answers_.clear();
+ pkt.add_answer(new DNSAaaaRR("example.com", 100,
+ {0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02,
+ 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04}));
+
+ // No answer.
+ pkt.answers_.clear();
+ data = pkt.data();
+ EXPECT_EQ(ARES_ENODATA, ares_parse_aaaa_reply(data.data(), data.size(),
+ &host, info, &count));
+ EXPECT_EQ(nullptr, host);
+ pkt.add_answer(new DNSAaaaRR("example.com", 100,
+ {0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02,
+ 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04}));
+
+ // Truncated packets.
+ data = pkt.data();
+ for (size_t len = 1; len < data.size(); len++) {
+ EXPECT_EQ(ARES_EBADRESP, ares_parse_aaaa_reply(data.data(), len,
+ &host, info, &count));
+ EXPECT_EQ(nullptr, host);
+ EXPECT_EQ(ARES_EBADRESP, ares_parse_aaaa_reply(data.data(), len,
+ nullptr, info, &count));
+ }
+}
+
+TEST_F(LibraryTest, ParseAaaaReplyAllocFail) {
+ DNSPacket pkt;
+ pkt.set_qid(0x1234).set_response().set_aa()
+ .add_question(new DNSQuestion("example.com", ns_t_aaaa))
+ .add_answer(new DNSCnameRR("example.com", 300, "c.example.com"))
+ .add_answer(new DNSAaaaRR("c.example.com", 100,
+ {0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02,
+ 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04}));
+ std::vector<byte> data = pkt.data();
+ struct hostent *host = nullptr;
+ struct ares_addr6ttl info[2];
+ int count = 2;
+
+ for (int ii = 1; ii <= 8; ii++) {
+ ClearFails();
+ SetAllocFail(ii);
+ EXPECT_EQ(ARES_ENOMEM, ares_parse_aaaa_reply(data.data(), data.size(),
+ &host, info, &count)) << ii;
+ EXPECT_EQ(nullptr, host);
+ }
+}
+
+} // namespace test
+} // namespace ares