ce084012df
* plugin/forward: fix TLS setup Way smaller PR than #1679. Fixes same thing. * remove println * put overwritten test back * context * update tests
120 lines
2.7 KiB
Go
120 lines
2.7 KiB
Go
package forward
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import (
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"context"
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"sync"
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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 /* no TLS */)
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p.start(hcDuration)
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var wg sync.WaitGroup
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wg.Add(5)
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go func() {
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p.connect(ctx, state, false, false)
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wg.Done()
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}()
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go func() {
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p.connect(ctx, state, true, false)
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wg.Done()
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}()
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go func() {
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p.close()
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wg.Done()
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}()
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go func() {
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p.connect(ctx, state, false, false)
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wg.Done()
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}()
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go func() {
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p.connect(ctx, state, true, false)
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wg.Done()
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}()
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wg.Wait()
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if p.inProgress != 0 {
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t.Errorf("unexpected query in progress")
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}
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if p.state != stopped {
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t.Errorf("unexpected proxy state, expected %d, got %d", stopped, p.state)
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}
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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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