* dnsforward_test: add test for null filter
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07ffcbec3d
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@ -293,6 +293,55 @@ func TestBlockedRequest(t *testing.T) {
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}
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}
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func TestNullBlockedRequest(t *testing.T) {
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s := createTestServer(t)
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s.FilteringConfig.BlockingMode = "null_ip"
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defer removeDataDir(t)
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err := s.Start(nil)
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if err != nil {
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t.Fatalf("Failed to start server: %s", err)
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}
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addr := s.dnsProxy.Addr(proxy.ProtoUDP)
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//
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// Null filter blocking
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//
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req := dns.Msg{}
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req.Id = dns.Id()
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req.RecursionDesired = true
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req.Question = []dns.Question{
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{Name: "null.example.org.", Qtype: dns.TypeA, Qclass: dns.ClassINET},
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}
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reply, err := dns.Exchange(&req, addr.String())
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if err != nil {
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t.Fatalf("Couldn't talk to server %s: %s", addr, err)
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}
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if len(reply.Answer) != 1 {
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t.Fatalf("DNS server %s returned reply with wrong number of answers - %d", addr, len(reply.Answer))
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}
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if a, ok := reply.Answer[0].(*dns.A); ok {
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if !net.IPv4zero.Equal(a.A) {
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t.Fatalf("DNS server %s returned wrong answer instead of 0.0.0.0: %v", addr, a.A)
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}
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} else {
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t.Fatalf("DNS server %s returned wrong answer type instead of A: %v", addr, reply.Answer[0])
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}
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// check query log and stats
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log := s.GetQueryLog()
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assert.Equal(t, 1, len(log), "Log size")
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stats := s.GetStatsTop()
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assert.Equal(t, 1, len(stats.Domains), "Top domains length")
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assert.Equal(t, 1, len(stats.Blocked), "Top blocked length")
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assert.Equal(t, 1, len(stats.Clients), "Top clients length")
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err = s.Stop()
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if err != nil {
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t.Fatalf("DNS server failed to stop: %s", err)
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}
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}
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func TestBlockedByHosts(t *testing.T) {
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s := createTestServer(t)
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defer removeDataDir(t)
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@ -413,6 +462,7 @@ func createTestServer(t *testing.T) *Server {
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rules := []string{
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"||nxdomain.example.org^",
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"||null.example.org^",
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"127.0.0.1 host.example.org",
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}
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filter := dnsfilter.Filter{ID: 1, Rules: rules}
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