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cname: fix cname rule loop issue.

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This commit is contained in:
Nick Peng
2023-04-17 23:21:41 +08:00
parent 6ca3bfdf36
commit 54d95609bd
3 changed files with 154 additions and 2 deletions
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114
test/cases/test-cname.cc
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@@ -63,3 +63,117 @@ cache-persist no)""");
EXPECT_EQ(client.GetAnswer()[0].GetData(), "b.com.");
EXPECT_EQ(client.GetAnswer()[1].GetData(), "1.2.3.4");
}
TEST_F(Cname, subdomain1)
{
smartdns::MockServer server_upstream;
smartdns::Server server;
server_upstream.Start("udp://0.0.0.0:61053", [](struct smartdns::ServerRequestContext *request) {
if (request->qtype != DNS_T_A) {
return smartdns::SERVER_REQUEST_SOA;
}
if (request->domain == "s.a.com") {
smartdns::MockServer::AddIP(request, request->domain.c_str(), "4.5.6.7", 700);
return smartdns::SERVER_REQUEST_OK;
}
smartdns::MockServer::AddIP(request, request->domain.c_str(), "1.2.3.4", 611);
return smartdns::SERVER_REQUEST_OK;
});
server.Start(R"""(bind [::]:60053
cname /a.com/s.a.com
server 127.0.0.1:61053
log-num 0
log-console yes
log-level debug
cache-persist no)""");
smartdns::Client client;
ASSERT_TRUE(client.Query("a.com", 60053));
std::cout << client.GetResult() << std::endl;
ASSERT_EQ(client.GetAnswerNum(), 2);
EXPECT_EQ(client.GetStatus(), "NOERROR");
EXPECT_EQ(client.GetAnswer()[0].GetName(), "a.com");
EXPECT_EQ(client.GetAnswer()[0].GetData(), "s.a.com.");
EXPECT_EQ(client.GetAnswer()[1].GetData(), "4.5.6.7");
}
TEST_F(Cname, subdomain2)
{
smartdns::MockServer server_upstream;
smartdns::Server server;
server_upstream.Start("udp://0.0.0.0:61053", [](struct smartdns::ServerRequestContext *request) {
if (request->qtype != DNS_T_A) {
return smartdns::SERVER_REQUEST_SOA;
}
if (request->domain == "a.s.a.com") {
smartdns::MockServer::AddIP(request, request->domain.c_str(), "4.5.6.7", 700);
return smartdns::SERVER_REQUEST_OK;
}
smartdns::MockServer::AddIP(request, request->domain.c_str(), "1.2.3.4", 611);
return smartdns::SERVER_REQUEST_OK;
});
server.Start(R"""(bind [::]:60053
cname /a.com/s.a.com
cname /s.a.com/a.s.a.com
server 127.0.0.1:61053
log-num 0
log-console yes
log-level debug
cache-persist no)""");
smartdns::Client client;
ASSERT_TRUE(client.Query("a.com", 60053));
std::cout << client.GetResult() << std::endl;
ASSERT_EQ(client.GetAnswerNum(), 2);
EXPECT_EQ(client.GetStatus(), "NOERROR");
EXPECT_EQ(client.GetAnswer()[0].GetName(), "a.com");
EXPECT_EQ(client.GetAnswer()[0].GetData(), "s.a.com.");
EXPECT_EQ(client.GetAnswer()[1].GetData(), "4.5.6.7");
}
TEST_F(Cname, loop)
{
smartdns::MockServer server_upstream;
smartdns::Server server;
server_upstream.Start("udp://0.0.0.0:61053", [](struct smartdns::ServerRequestContext *request) {
if (request->qtype != DNS_T_A) {
return smartdns::SERVER_REQUEST_SOA;
}
if (request->domain == "s.a.com") {
smartdns::MockServer::AddIP(request, request->domain.c_str(), "4.5.6.7", 700);
return smartdns::SERVER_REQUEST_OK;
}
smartdns::MockServer::AddIP(request, request->domain.c_str(), "1.2.3.4", 611);
return smartdns::SERVER_REQUEST_OK;
});
server.Start(R"""(bind [::]:60053
cname /a.com/c.a.com
cname /c.a.com/s.a.com
server 127.0.0.1:61053
log-num 0
log-console yes
log-level debug
cache-persist no)""");
smartdns::Client client;
ASSERT_TRUE(client.Query("a.com", 60053));
std::cout << client.GetResult() << std::endl;
ASSERT_EQ(client.GetAnswerNum(), 2);
EXPECT_EQ(client.GetStatus(), "NOERROR");
EXPECT_EQ(client.GetAnswer()[0].GetName(), "a.com");
EXPECT_EQ(client.GetAnswer()[0].GetData(), "c.a.com.");
EXPECT_EQ(client.GetAnswer()[1].GetData(), "4.5.6.7");
}