zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/app/c-ares/src/test/ares-test-parse-ns.cc b/ap/app/c-ares/src/test/ares-test-parse-ns.cc
new file mode 100644
index 0000000..cd65318
--- /dev/null
+++ b/ap/app/c-ares/src/test/ares-test-parse-ns.cc
@@ -0,0 +1,119 @@
+#include "ares-test.h"
+#include "dns-proto.h"
+
+#include <sstream>
+#include <vector>
+
+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<byte> 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<byte> 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<byte> 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<byte> 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