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-rw-r--r--src/c-ares/test/ares-test-parse-naptr.cc119
1 files changed, 119 insertions, 0 deletions
diff --git a/src/c-ares/test/ares-test-parse-naptr.cc b/src/c-ares/test/ares-test-parse-naptr.cc
new file mode 100644
index 000000000..40013cbda
--- /dev/null
+++ b/src/c-ares/test/ares-test-parse-naptr.cc
@@ -0,0 +1,119 @@
+#include "ares-test.h"
+#include "dns-proto.h"
+
+#include <sstream>
+#include <vector>
+
+namespace ares {
+namespace test {
+
+TEST_F(LibraryTest, ParseNaptrReplyOK) {
+ DNSPacket pkt;
+ pkt.set_qid(0x1234).set_response().set_aa()
+ .add_question(new DNSQuestion("example.com", ns_t_naptr))
+ .add_answer(new DNSNaptrRR("example.com", 100,
+ 10, 20, "SP", "service", "regexp", "replace"))
+ .add_answer(new DNSNaptrRR("example.com", 0x0010,
+ 11, 21, "SP", "service2", "regexp2", "replace2"));
+ std::vector<byte> data = pkt.data();
+
+ struct ares_naptr_reply* naptr = nullptr;
+ EXPECT_EQ(ARES_SUCCESS, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
+ ASSERT_NE(nullptr, naptr);
+ EXPECT_EQ("SP", std::string((char*)naptr->flags));
+ EXPECT_EQ("service", std::string((char*)naptr->service));
+ EXPECT_EQ("regexp", std::string((char*)naptr->regexp));
+ EXPECT_EQ("replace", std::string((char*)naptr->replacement));
+ EXPECT_EQ(10, naptr->order);
+ EXPECT_EQ(20, naptr->preference);
+
+ struct ares_naptr_reply* naptr2 = naptr->next;
+ ASSERT_NE(nullptr, naptr2);
+ EXPECT_EQ("SP", std::string((char*)naptr2->flags));
+ EXPECT_EQ("service2", std::string((char*)naptr2->service));
+ EXPECT_EQ("regexp2", std::string((char*)naptr2->regexp));
+ EXPECT_EQ("replace2", std::string((char*)naptr2->replacement));
+ EXPECT_EQ(11, naptr2->order);
+ EXPECT_EQ(21, naptr2->preference);
+ EXPECT_EQ(nullptr, naptr2->next);
+
+ ares_free_data(naptr);
+}
+
+TEST_F(LibraryTest, ParseNaptrReplyErrors) {
+ DNSPacket pkt;
+ pkt.set_qid(0x1234).set_response().set_aa()
+ .add_question(new DNSQuestion("example.com", ns_t_naptr))
+ .add_answer(new DNSNaptrRR("example.com", 100,
+ 10, 20, "SP", "service", "regexp", "replace"));
+ std::vector<byte> data;
+ struct ares_naptr_reply* naptr = nullptr;
+
+ // No question.
+ pkt.questions_.clear();
+ data = pkt.data();
+ EXPECT_EQ(ARES_EBADRESP, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
+ pkt.add_question(new DNSQuestion("example.com", ns_t_naptr));
+
+#ifdef DISABLED
+ // Question != answer
+ pkt.questions_.clear();
+ pkt.add_question(new DNSQuestion("Axample.com", ns_t_naptr));
+ data = pkt.data();
+ EXPECT_EQ(ARES_ENODATA, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
+ pkt.questions_.clear();
+ pkt.add_question(new DNSQuestion("example.com", ns_t_naptr));
+#endif
+
+ // Two questions
+ pkt.add_question(new DNSQuestion("example.com", ns_t_naptr));
+ data = pkt.data();
+ EXPECT_EQ(ARES_EBADRESP, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
+ pkt.questions_.clear();
+ pkt.add_question(new DNSQuestion("example.com", ns_t_naptr));
+
+ // 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_SUCCESS, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
+ EXPECT_EQ(nullptr, naptr);
+ pkt.answers_.clear();
+ pkt.add_answer(new DNSNaptrRR("example.com", 100,
+ 10, 20, "SP", "service", "regexp", "replace"));
+
+ // No answer.
+ pkt.answers_.clear();
+ data = pkt.data();
+ EXPECT_EQ(ARES_ENODATA, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
+ pkt.add_answer(new DNSNaptrRR("example.com", 100,
+ 10, 20, "SP", "service", "regexp", "replace"));
+
+ // Truncated packets.
+ data = pkt.data();
+ for (size_t len = 1; len < data.size(); len++) {
+ int rc = ares_parse_naptr_reply(data.data(), len, &naptr);
+ EXPECT_TRUE(rc == ARES_EBADRESP || rc == ARES_EBADNAME);
+ }
+}
+
+TEST_F(LibraryTest, ParseNaptrReplyAllocFail) {
+ DNSPacket pkt;
+ pkt.set_qid(0x1234).set_response().set_aa()
+ .add_question(new DNSQuestion("example.com", ns_t_naptr))
+ .add_answer(new DNSNaptrRR("example.com", 100,
+ 10, 20, "SP", "service", "regexp", "replace"))
+ .add_answer(new DNSNaptrRR("example.com", 0x0010,
+ 11, 21, "SP", "service2", "regexp2", "replace2"));
+ std::vector<byte> data = pkt.data();
+ struct ares_naptr_reply* naptr = nullptr;
+
+ for (int ii = 1; ii <= 13; ii++) {
+ ClearFails();
+ SetAllocFail(ii);
+ EXPECT_EQ(ARES_ENOMEM, ares_parse_naptr_reply(data.data(), data.size(), &naptr));
+ }
+}
+
+} // namespace test
+} // namespace ares