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			96 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package forward
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import (
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	"context"
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	"testing"
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	"github.com/coredns/coredns/plugin/pkg/dnstest"
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	"github.com/coredns/coredns/plugin/test"
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	"github.com/coredns/coredns/request"
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	"github.com/mholt/caddy"
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	"github.com/miekg/dns"
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)
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func TestProxyClose(t *testing.T) {
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	s := dnstest.NewServer(func(w dns.ResponseWriter, r *dns.Msg) {
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		ret := new(dns.Msg)
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		ret.SetReply(r)
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		w.WriteMsg(ret)
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	})
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	defer s.Close()
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	req := new(dns.Msg)
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	req.SetQuestion("example.org.", dns.TypeA)
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	state := request.Request{W: &test.ResponseWriter{}, Req: req}
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	ctx := context.TODO()
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	for i := 0; i < 100; i++ {
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		p := NewProxy(s.Addr, nil)
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		p.start(hcDuration)
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		go func() { p.Connect(ctx, state, false, false) }()
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		go func() { p.Connect(ctx, state, true, false) }()
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		go func() { p.Connect(ctx, state, false, false) }()
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		go func() { p.Connect(ctx, state, true, false) }()
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		p.close()
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	}
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}
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func TestProxy(t *testing.T) {
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	s := dnstest.NewServer(func(w dns.ResponseWriter, r *dns.Msg) {
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		ret := new(dns.Msg)
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		ret.SetReply(r)
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		ret.Answer = append(ret.Answer, test.A("example.org. IN A 127.0.0.1"))
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		w.WriteMsg(ret)
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	})
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	defer s.Close()
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	c := caddy.NewTestController("dns", "forward . "+s.Addr)
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	f, err := parseForward(c)
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	if err != nil {
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		t.Errorf("Failed to create forwarder: %s", err)
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	}
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	f.OnStartup()
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	defer f.OnShutdown()
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	m := new(dns.Msg)
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	m.SetQuestion("example.org.", dns.TypeA)
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	rec := dnstest.NewRecorder(&test.ResponseWriter{})
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	if _, err := f.ServeDNS(context.TODO(), rec, m); err != nil {
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		t.Fatal("Expected to receive reply, but didn't")
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	}
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	if x := rec.Msg.Answer[0].Header().Name; x != "example.org." {
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		t.Errorf("Expected %s, got %s", "example.org.", x)
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	}
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}
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func TestProxyTLSFail(t *testing.T) {
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	// This is an udp/tcp test server, so we shouldn't reach it with TLS.
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	s := dnstest.NewServer(func(w dns.ResponseWriter, r *dns.Msg) {
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		ret := new(dns.Msg)
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		ret.SetReply(r)
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		ret.Answer = append(ret.Answer, test.A("example.org. IN A 127.0.0.1"))
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		w.WriteMsg(ret)
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	})
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	defer s.Close()
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	c := caddy.NewTestController("dns", "forward . tls://"+s.Addr)
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	f, err := parseForward(c)
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	if err != nil {
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		t.Errorf("Failed to create forwarder: %s", err)
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	}
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	f.OnStartup()
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	defer f.OnShutdown()
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	m := new(dns.Msg)
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	m.SetQuestion("example.org.", dns.TypeA)
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	rec := dnstest.NewRecorder(&test.ResponseWriter{})
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	if _, err := f.ServeDNS(context.TODO(), rec, m); err == nil {
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		t.Fatal("Expected *not* to receive reply, but got one")
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	}
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}
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