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dns_server: fix issue of incorrect caching results when enable ip white list.

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This commit is contained in:
Nick Peng
2023-11-14 22:55:39 +08:00
parent d54d7cf80a
commit eb0d0336de
2 changed files with 58 additions and 11 deletions
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42
test/cases/test-ip-rule.cc
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@@ -73,6 +73,48 @@ cache-persist no)""");
EXPECT_EQ(client.GetAnswer()[0].GetData(), "4.5.6.7");
}
TEST_F(IPRule, white_list_not_in)
{
smartdns::MockServer server_upstream;
smartdns::MockServer server_upstream2;
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;
}
smartdns::MockServer::AddIP(request, request->domain.c_str(), "1.2.3.4", 611);
return smartdns::SERVER_REQUEST_OK;
});
server_upstream2.Start("udp://0.0.0.0:62053", [](struct smartdns::ServerRequestContext *request) {
if (request->qtype != DNS_T_A) {
return smartdns::SERVER_REQUEST_SOA;
}
smartdns::MockServer::AddIP(request, request->domain.c_str(), "9.10.11.12", 611);
return smartdns::SERVER_REQUEST_OK;
});
/* this ip will be discard, but is reachable */
server.MockPing(PING_TYPE_ICMP, "1.2.3.4", 60, 10);
server.Start(R"""(bind [::]:60053
server udp://127.0.0.1:61053 -whitelist-ip
server udp://127.0.0.1:62053 -whitelist-ip
whitelist-ip 4.5.6.7/24
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(), 0);
EXPECT_EQ(client.GetStatus(), "SERVFAIL");
}
TEST_F(IPRule, black_list)
{
smartdns::MockServer server_upstream;