}
}
+BOOST_AUTO_TEST_CASE(test_cname_plus_authority_ns_ttl) {
+ std::unique_ptr<SyncRes> sr;
+ initSR(sr);
+
+ primeHints();
+
+ const DNSName target("cname.powerdns.com.");
+ const DNSName cnameTarget("cname-target.powerdns.com");
+ size_t queriesCount = 0;
+
+ sr->setAsyncCallback([target, cnameTarget, &queriesCount](const ComboAddress& ip, const DNSName& domain, int type, bool doTCP, bool sendRDQuery, int EDNS0Level, struct timeval* now, boost::optional<Netmask>& srcmask, boost::optional<const ResolveContext&> context, LWResult* res, bool* chained) {
+
+ queriesCount++;
+
+ if (isRootServer(ip)) {
+ setLWResult(res, 0, false, false, true);
+ addRecordToLW(res, DNSName("powerdns.com"), QType::NS, "a.gtld-servers.net.", DNSResourceRecord::AUTHORITY, 42);
+ addRecordToLW(res, "a.gtld-servers.net.", QType::A, "192.0.2.1", DNSResourceRecord::ADDITIONAL, 3600);
+ return 1;
+ } else if (ip == ComboAddress("192.0.2.1:53")) {
+ if (domain == target) {
+ setLWResult(res, 0, true, false, false);
+ addRecordToLW(res, domain, QType::CNAME, cnameTarget.toString());
+ addRecordToLW(res, cnameTarget, QType::A, "192.0.2.2");
+ addRecordToLW(res, DNSName("powerdns.com."), QType::NS, "a.gtld-servers.net.", DNSResourceRecord::AUTHORITY, 172800);
+ addRecordToLW(res, DNSName("add.powerdns.com."), QType::A, "192.0.2.3", DNSResourceRecord::ADDITIONAL, 42);
+ return 1;
+ }
+ else if (domain == cnameTarget) {
+ setLWResult(res, 0, true, false, false);
+ addRecordToLW(res, domain, QType::A, "192.0.2.2");
+ }
+
+ return 1;
+ }
+
+ return 0;
+ });
+
+ const time_t now = sr->getNow().tv_sec;
+ vector<DNSRecord> ret;
+ int res = sr->beginResolve(target, QType(QType::A), QClass::IN, ret);
+ BOOST_CHECK_EQUAL(res, RCode::NoError);
+ BOOST_REQUIRE_EQUAL(ret.size(), 2);
+ BOOST_CHECK(ret[0].d_type == QType::CNAME);
+ BOOST_CHECK_EQUAL(ret[0].d_name, target);
+ BOOST_CHECK(ret[1].d_type == QType::A);
+ BOOST_CHECK_EQUAL(ret[1].d_name, cnameTarget);
+
+ /* check that the NS in authority has not replaced the one in the cache
+ with auth=0 (or at least has not raised the TTL since it could otherwise
+ be used to create a never-ending ghost zone even after the NS have been
+ changed in the parent.
+ Also check that the the part in additional is still not auth
+ */
+ const ComboAddress who;
+ vector<DNSRecord> cached;
+ bool wasAuth = false;
+
+ auto ttl = t_RC->get(now, DNSName("powerdns.com."), QType(QType::NS), false, &cached, who, nullptr, nullptr, nullptr, nullptr, &wasAuth);
+ BOOST_REQUIRE_GE(ttl, 1);
+ BOOST_REQUIRE_LE(ttl, 42);
+ BOOST_CHECK_EQUAL(cached.size(), 1);
+ BOOST_CHECK_EQUAL(wasAuth, false);
+
+ cached.clear();
+ BOOST_REQUIRE_GE(t_RC->get(now, DNSName("add.powerdns.com."), QType(QType::A), false, &cached, who, nullptr, nullptr, nullptr, nullptr, &wasAuth), 1);
+ BOOST_CHECK_EQUAL(cached.size(), 1);
+ BOOST_CHECK_EQUAL(wasAuth, false);
+}
+
/*
// cerr<<"asyncresolve called to ask "<<ip.toStringWithPort()<<" about "<<domain.toString()<<" / "<<QType(type).getName()<<" over "<<(doTCP ? "TCP" : "UDP")<<" (rd: "<<sendRDQuery<<", EDNS0 level: "<<EDNS0Level<<")"<<endl;