1 // Copyright 2012 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
26 var rsaCertPEM = `-----BEGIN CERTIFICATE-----
27 MIIB0zCCAX2gAwIBAgIJAI/M7BYjwB+uMA0GCSqGSIb3DQEBBQUAMEUxCzAJBgNV
28 BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX
29 aWRnaXRzIFB0eSBMdGQwHhcNMTIwOTEyMjE1MjAyWhcNMTUwOTEyMjE1MjAyWjBF
30 MQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50
31 ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBANLJ
32 hPHhITqQbPklG3ibCVxwGMRfp/v4XqhfdQHdcVfHap6NQ5Wok/4xIA+ui35/MmNa
33 rtNuC+BdZ1tMuVCPFZcCAwEAAaNQME4wHQYDVR0OBBYEFJvKs8RfJaXTH08W+SGv
34 zQyKn0H8MB8GA1UdIwQYMBaAFJvKs8RfJaXTH08W+SGvzQyKn0H8MAwGA1UdEwQF
35 MAMBAf8wDQYJKoZIhvcNAQEFBQADQQBJlffJHybjDGxRMqaRmDhX0+6v02TUKZsW
36 r5QuVbpQhH6u+0UgcW0jp9QwpxoPTLTWGXEWBBBurxFwiCBhkQ+V
37 -----END CERTIFICATE-----
40 var rsaKeyPEM = `-----BEGIN RSA PRIVATE KEY-----
41 MIIBOwIBAAJBANLJhPHhITqQbPklG3ibCVxwGMRfp/v4XqhfdQHdcVfHap6NQ5Wo
42 k/4xIA+ui35/MmNartNuC+BdZ1tMuVCPFZcCAwEAAQJAEJ2N+zsR0Xn8/Q6twa4G
43 6OB1M1WO+k+ztnX/1SvNeWu8D6GImtupLTYgjZcHufykj09jiHmjHx8u8ZZB/o1N
44 MQIhAPW+eyZo7ay3lMz1V01WVjNKK9QSn1MJlb06h/LuYv9FAiEA25WPedKgVyCW
45 SmUwbPw8fnTcpqDWE3yTO3vKcebqMSsCIBF3UmVue8YU3jybC3NxuXq3wNm34R8T
46 xVLHwDXh/6NJAiEAl2oHGGLz64BuAfjKrqwz7qMYr9HCLIe/YsoWq/olzScCIQDi
47 D2lWusoe2/nEqfDVVWGWlyJ7yOmqaVm/iNUN9B2N2g==
48 -----END RSA PRIVATE KEY-----
51 // keyPEM is the same as rsaKeyPEM, but declares itself as just
52 // "PRIVATE KEY", not "RSA PRIVATE KEY". https://golang.org/issue/4477
53 var keyPEM = `-----BEGIN PRIVATE KEY-----
54 MIIBOwIBAAJBANLJhPHhITqQbPklG3ibCVxwGMRfp/v4XqhfdQHdcVfHap6NQ5Wo
55 k/4xIA+ui35/MmNartNuC+BdZ1tMuVCPFZcCAwEAAQJAEJ2N+zsR0Xn8/Q6twa4G
56 6OB1M1WO+k+ztnX/1SvNeWu8D6GImtupLTYgjZcHufykj09jiHmjHx8u8ZZB/o1N
57 MQIhAPW+eyZo7ay3lMz1V01WVjNKK9QSn1MJlb06h/LuYv9FAiEA25WPedKgVyCW
58 SmUwbPw8fnTcpqDWE3yTO3vKcebqMSsCIBF3UmVue8YU3jybC3NxuXq3wNm34R8T
59 xVLHwDXh/6NJAiEAl2oHGGLz64BuAfjKrqwz7qMYr9HCLIe/YsoWq/olzScCIQDi
60 D2lWusoe2/nEqfDVVWGWlyJ7yOmqaVm/iNUN9B2N2g==
61 -----END PRIVATE KEY-----
64 var ecdsaCertPEM = `-----BEGIN CERTIFICATE-----
65 MIIB/jCCAWICCQDscdUxw16XFDAJBgcqhkjOPQQBMEUxCzAJBgNVBAYTAkFVMRMw
66 EQYDVQQIEwpTb21lLVN0YXRlMSEwHwYDVQQKExhJbnRlcm5ldCBXaWRnaXRzIFB0
67 eSBMdGQwHhcNMTIxMTE0MTI0MDQ4WhcNMTUxMTE0MTI0MDQ4WjBFMQswCQYDVQQG
68 EwJBVTETMBEGA1UECBMKU29tZS1TdGF0ZTEhMB8GA1UEChMYSW50ZXJuZXQgV2lk
69 Z2l0cyBQdHkgTHRkMIGbMBAGByqGSM49AgEGBSuBBAAjA4GGAAQBY9+my9OoeSUR
70 lDQdV/x8LsOuLilthhiS1Tz4aGDHIPwC1mlvnf7fg5lecYpMCrLLhauAc1UJXcgl
71 01xoLuzgtAEAgv2P/jgytzRSpUYvgLBt1UA0leLYBy6mQQbrNEuqT3INapKIcUv8
72 XxYP0xMEUksLPq6Ca+CRSqTtrd/23uTnapkwCQYHKoZIzj0EAQOBigAwgYYCQXJo
73 A7Sl2nLVf+4Iu/tAX/IF4MavARKC4PPHK3zfuGfPR3oCCcsAoz3kAzOeijvd0iXb
74 H5jBImIxPL4WxQNiBTexAkF8D1EtpYuWdlVQ80/h/f4pBcGiXPqX5h2PQSQY7hP1
75 +jwM1FGS4fREIOvlBYr/SzzQRtwrvrzGYxDEDbsC0ZGRnA==
76 -----END CERTIFICATE-----
79 var ecdsaKeyPEM = `-----BEGIN EC PARAMETERS-----
81 -----END EC PARAMETERS-----
82 -----BEGIN EC PRIVATE KEY-----
83 MIHcAgEBBEIBrsoKp0oqcv6/JovJJDoDVSGWdirrkgCWxrprGlzB9o0X8fV675X0
84 NwuBenXFfeZvVcwluO7/Q9wkYoPd/t3jGImgBwYFK4EEACOhgYkDgYYABAFj36bL
85 06h5JRGUNB1X/Hwuw64uKW2GGJLVPPhoYMcg/ALWaW+d/t+DmV5xikwKssuFq4Bz
86 VQldyCXTXGgu7OC0AQCC/Y/+ODK3NFKlRi+AsG3VQDSV4tgHLqZBBus0S6pPcg1q
87 kohxS/xfFg/TEwRSSws+roJr4JFKpO2t3/be5OdqmQ==
88 -----END EC PRIVATE KEY-----
91 var keyPairTests = []struct {
96 {"ECDSA", ecdsaCertPEM, ecdsaKeyPEM},
97 {"RSA", rsaCertPEM, rsaKeyPEM},
98 {"RSA-untyped", rsaCertPEM, keyPEM}, // golang.org/issue/4477
101 func TestX509KeyPair(t *testing.T) {
103 for _, test := range keyPairTests {
104 pem = []byte(test.cert + test.key)
105 if _, err := X509KeyPair(pem, pem); err != nil {
106 t.Errorf("Failed to load %s cert followed by %s key: %s", test.algo, test.algo, err)
108 pem = []byte(test.key + test.cert)
109 if _, err := X509KeyPair(pem, pem); err != nil {
110 t.Errorf("Failed to load %s key followed by %s cert: %s", test.algo, test.algo, err)
115 func TestX509KeyPairErrors(t *testing.T) {
116 _, err := X509KeyPair([]byte(rsaKeyPEM), []byte(rsaCertPEM))
118 t.Fatalf("X509KeyPair didn't return an error when arguments were switched")
120 if subStr := "been switched"; !strings.Contains(err.Error(), subStr) {
121 t.Fatalf("Expected %q in the error when switching arguments to X509KeyPair, but the error was %q", subStr, err)
124 _, err = X509KeyPair([]byte(rsaCertPEM), []byte(rsaCertPEM))
126 t.Fatalf("X509KeyPair didn't return an error when both arguments were certificates")
128 if subStr := "certificate"; !strings.Contains(err.Error(), subStr) {
129 t.Fatalf("Expected %q in the error when both arguments to X509KeyPair were certificates, but the error was %q", subStr, err)
132 const nonsensePEM = `
133 -----BEGIN NONSENSE-----
135 -----END NONSENSE-----
138 _, err = X509KeyPair([]byte(nonsensePEM), []byte(nonsensePEM))
140 t.Fatalf("X509KeyPair didn't return an error when both arguments were nonsense")
142 if subStr := "NONSENSE"; !strings.Contains(err.Error(), subStr) {
143 t.Fatalf("Expected %q in the error when both arguments to X509KeyPair were nonsense, but the error was %q", subStr, err)
147 func TestX509MixedKeyPair(t *testing.T) {
148 if _, err := X509KeyPair([]byte(rsaCertPEM), []byte(ecdsaKeyPEM)); err == nil {
149 t.Error("Load of RSA certificate succeeded with ECDSA private key")
151 if _, err := X509KeyPair([]byte(ecdsaCertPEM), []byte(rsaKeyPEM)); err == nil {
152 t.Error("Load of ECDSA certificate succeeded with RSA private key")
156 func newLocalListener(t testing.TB) net.Listener {
157 ln, err := net.Listen("tcp", "127.0.0.1:0")
159 ln, err = net.Listen("tcp6", "[::1]:0")
167 func TestDialTimeout(t *testing.T) {
169 t.Skip("skipping in short mode")
171 listener := newLocalListener(t)
173 addr := listener.Addr().String()
174 defer listener.Close()
176 complete := make(chan bool)
177 defer close(complete)
180 conn, err := listener.Accept()
189 dialer := &net.Dialer{
190 Timeout: 10 * time.Millisecond,
194 if _, err = DialWithDialer(dialer, "tcp", addr, nil); err == nil {
195 t.Fatal("DialWithTimeout completed successfully")
198 if !isTimeoutError(err) {
199 t.Errorf("resulting error not a timeout: %v\nType %T: %#v", err, err, err)
203 func isTimeoutError(err error) bool {
204 if ne, ok := err.(net.Error); ok {
210 // tests that Conn.Read returns (non-zero, io.EOF) instead of
211 // (non-zero, nil) when a Close (alertCloseNotify) is sitting right
212 // behind the application data in the buffer.
213 func TestConnReadNonzeroAndEOF(t *testing.T) {
214 // This test is racy: it assumes that after a write to a
215 // localhost TCP connection, the peer TCP connection can
216 // immediately read it. Because it's racy, we skip this test
217 // in short mode, and then retry it several times with an
218 // increasing sleep in between our final write (via srv.Close
219 // below) and the following read.
221 t.Skip("skipping in short mode")
224 for delay := time.Millisecond; delay <= 64*time.Millisecond; delay *= 2 {
225 if err = testConnReadNonzeroAndEOF(t, delay); err == nil {
232 func testConnReadNonzeroAndEOF(t *testing.T, delay time.Duration) error {
233 ln := newLocalListener(t)
236 srvCh := make(chan *Conn, 1)
239 sconn, err := ln.Accept()
245 serverConfig := testConfig.Clone()
246 srv := Server(sconn, serverConfig)
247 if err := srv.Handshake(); err != nil {
248 serr = fmt.Errorf("handshake: %v", err)
255 clientConfig := testConfig.Clone()
256 conn, err := Dial("tcp", ln.Addr().String(), clientConfig)
267 buf := make([]byte, 6)
269 srv.Write([]byte("foobar"))
270 n, err := conn.Read(buf)
271 if n != 6 || err != nil || string(buf) != "foobar" {
272 return fmt.Errorf("Read = %d, %v, data %q; want 6, nil, foobar", n, err, buf)
275 srv.Write([]byte("abcdef"))
278 n, err = conn.Read(buf)
279 if n != 6 || string(buf) != "abcdef" {
280 return fmt.Errorf("Read = %d, buf= %q; want 6, abcdef", n, buf)
283 return fmt.Errorf("Second Read error = %v; want io.EOF", err)
288 func TestTLSUniqueMatches(t *testing.T) {
289 ln := newLocalListener(t)
292 serverTLSUniques := make(chan []byte)
294 for i := 0; i < 2; i++ {
295 sconn, err := ln.Accept()
299 serverConfig := testConfig.Clone()
300 srv := Server(sconn, serverConfig)
301 if err := srv.Handshake(); err != nil {
304 serverTLSUniques <- srv.ConnectionState().TLSUnique
308 clientConfig := testConfig.Clone()
309 clientConfig.ClientSessionCache = NewLRUClientSessionCache(1)
310 conn, err := Dial("tcp", ln.Addr().String(), clientConfig)
314 if !bytes.Equal(conn.ConnectionState().TLSUnique, <-serverTLSUniques) {
315 t.Error("client and server channel bindings differ")
319 conn, err = Dial("tcp", ln.Addr().String(), clientConfig)
324 if !conn.ConnectionState().DidResume {
325 t.Error("second session did not use resumption")
327 if !bytes.Equal(conn.ConnectionState().TLSUnique, <-serverTLSUniques) {
328 t.Error("client and server channel bindings differ when session resumption is used")
332 func TestVerifyHostname(t *testing.T) {
333 testenv.MustHaveExternalNetwork(t)
335 c, err := Dial("tcp", "www.google.com:https", nil)
339 if err := c.VerifyHostname("www.google.com"); err != nil {
340 t.Fatalf("verify www.google.com: %v", err)
342 if err := c.VerifyHostname("www.yahoo.com"); err == nil {
343 t.Fatalf("verify www.yahoo.com succeeded")
346 c, err = Dial("tcp", "www.google.com:https", &Config{InsecureSkipVerify: true})
350 if err := c.VerifyHostname("www.google.com"); err == nil {
351 t.Fatalf("verify www.google.com succeeded with InsecureSkipVerify=true")
353 if err := c.VerifyHostname("www.yahoo.com"); err == nil {
354 t.Fatalf("verify www.google.com succeeded with InsecureSkipVerify=true")
358 func TestVerifyHostnameResumed(t *testing.T) {
359 testenv.MustHaveExternalNetwork(t)
362 ClientSessionCache: NewLRUClientSessionCache(32),
364 for i := 0; i < 2; i++ {
365 c, err := Dial("tcp", "www.google.com:https", config)
367 t.Fatalf("Dial #%d: %v", i, err)
369 cs := c.ConnectionState()
370 if i > 0 && !cs.DidResume {
371 t.Fatalf("Subsequent connection unexpectedly didn't resume")
373 if cs.VerifiedChains == nil {
374 t.Fatalf("Dial #%d: cs.VerifiedChains == nil", i)
376 if err := c.VerifyHostname("www.google.com"); err != nil {
377 t.Fatalf("verify www.google.com #%d: %v", i, err)
383 func TestConnCloseBreakingWrite(t *testing.T) {
384 ln := newLocalListener(t)
387 srvCh := make(chan *Conn, 1)
392 sconn, err = ln.Accept()
398 serverConfig := testConfig.Clone()
399 srv := Server(sconn, serverConfig)
400 if err := srv.Handshake(); err != nil {
401 serr = fmt.Errorf("handshake: %v", err)
408 cconn, err := net.Dial("tcp", ln.Addr().String())
414 conn := &changeImplConn{
418 clientConfig := testConfig.Clone()
419 tconn := Client(conn, clientConfig)
420 if err := tconn.Handshake(); err != nil {
430 connClosed := make(chan struct{})
431 conn.closeFunc = func() error {
436 inWrite := make(chan bool, 1)
437 var errConnClosed = errors.New("conn closed for test")
438 conn.writeFunc = func(p []byte) (n int, err error) {
441 return 0, errConnClosed
444 closeReturned := make(chan bool, 1)
447 tconn.Close() // test that this doesn't block forever.
448 closeReturned <- true
451 _, err = tconn.Write([]byte("foo"))
452 if err != errConnClosed {
453 t.Errorf("Write error = %v; want errConnClosed", err)
457 if err := tconn.Close(); err != errClosed {
458 t.Errorf("Close error = %v; want errClosed", err)
462 func TestConnCloseWrite(t *testing.T) {
463 ln := newLocalListener(t)
467 sconn, err := ln.Accept()
472 serverConfig := testConfig.Clone()
473 srv := Server(sconn, serverConfig)
474 if err := srv.Handshake(); err != nil {
475 t.Fatalf("handshake: %v", err)
479 data, err := ioutil.ReadAll(srv)
484 t.Errorf("Read data = %q; want nothing", data)
487 if err = srv.CloseWrite(); err != nil {
488 t.Errorf("server CloseWrite: %v", err)
492 clientConfig := testConfig.Clone()
493 conn, err := Dial("tcp", ln.Addr().String(), clientConfig)
497 if err = conn.Handshake(); err != nil {
502 if err = conn.CloseWrite(); err != nil {
503 t.Errorf("client CloseWrite: %v", err)
506 if _, err := conn.Write([]byte{0}); err != errShutdown {
507 t.Errorf("CloseWrite error = %v; want errShutdown", err)
510 data, err := ioutil.ReadAll(conn)
515 t.Errorf("Read data = %q; want nothing", data)
518 // test CloseWrite called before handshake finished
520 ln2 := newLocalListener(t)
524 sconn, err := ln2.Accept()
529 serverConfig := testConfig.Clone()
530 srv := Server(sconn, serverConfig)
536 netConn, err := net.Dial("tcp", ln2.Addr().String())
540 conn = Client(netConn, clientConfig)
542 if err = conn.CloseWrite(); err != errEarlyCloseWrite {
543 t.Errorf("CloseWrite error = %v; want errEarlyCloseWrite", err)
547 func TestClone(t *testing.T) {
549 v := reflect.ValueOf(&c1).Elem()
551 rnd := rand.New(rand.NewSource(time.Now().Unix()))
553 for i := 0; i < typ.NumField(); i++ {
556 // unexported field; not cloned.
560 // testing/quick can't handle functions or interfaces.
561 fn := typ.Field(i).Name
564 f.Set(reflect.ValueOf(io.Reader(os.Stdin)))
566 case "Time", "GetCertificate":
567 // DeepEqual can't compare functions.
570 f.Set(reflect.ValueOf([]Certificate{
571 {Certificate: [][]byte{{'b'}}},
574 case "NameToCertificate":
575 f.Set(reflect.ValueOf(map[string]*Certificate{"a": nil}))
577 case "RootCAs", "ClientCAs":
578 f.Set(reflect.ValueOf(x509.NewCertPool()))
580 case "ClientSessionCache":
581 f.Set(reflect.ValueOf(NewLRUClientSessionCache(10)))
584 f.Set(reflect.ValueOf(io.Writer(os.Stdout)))
589 q, ok := quick.Value(f.Type(), rnd)
591 t.Fatalf("quick.Value failed on field %s", fn)
598 if !reflect.DeepEqual(&c1, c2) {
599 t.Errorf("clone failed to copy a field")
603 // changeImplConn is a net.Conn which can change its Write and Close
605 type changeImplConn struct {
607 writeFunc func([]byte) (int, error)
608 closeFunc func() error
611 func (w *changeImplConn) Write(p []byte) (n int, err error) {
612 if w.writeFunc != nil {
613 return w.writeFunc(p)
615 return w.Conn.Write(p)
618 func (w *changeImplConn) Close() error {
619 if w.closeFunc != nil {
622 return w.Conn.Close()
625 func throughput(b *testing.B, totalBytes int64, dynamicRecordSizingDisabled bool) {
626 ln := newLocalListener(b)
631 // Less than 64KB because Windows appears to use a TCP rwin < 64KB.
633 const bufsize = 32 << 10
636 buf := make([]byte, bufsize)
637 for i := 0; i < N; i++ {
638 sconn, err := ln.Accept()
640 // panic rather than synchronize to avoid benchmark overhead
641 // (cannot call b.Fatal in goroutine)
642 panic(fmt.Errorf("accept: %v", err))
644 serverConfig := testConfig.Clone()
645 serverConfig.DynamicRecordSizingDisabled = dynamicRecordSizingDisabled
646 srv := Server(sconn, serverConfig)
647 if err := srv.Handshake(); err != nil {
648 panic(fmt.Errorf("handshake: %v", err))
650 if _, err := io.CopyBuffer(srv, srv, buf); err != nil {
651 panic(fmt.Errorf("copy buffer: %v", err))
656 b.SetBytes(totalBytes)
657 clientConfig := testConfig.Clone()
658 clientConfig.DynamicRecordSizingDisabled = dynamicRecordSizingDisabled
660 buf := make([]byte, bufsize)
661 chunks := int(math.Ceil(float64(totalBytes) / float64(len(buf))))
662 for i := 0; i < N; i++ {
663 conn, err := Dial("tcp", ln.Addr().String(), clientConfig)
667 for j := 0; j < chunks; j++ {
668 _, err := conn.Write(buf)
672 _, err = io.ReadFull(conn, buf)
681 func BenchmarkThroughput(b *testing.B) {
682 for _, mode := range []string{"Max", "Dynamic"} {
683 for size := 1; size <= 64; size <<= 1 {
684 name := fmt.Sprintf("%sPacket/%dMB", mode, size)
685 b.Run(name, func(b *testing.B) {
686 throughput(b, int64(size<<20), mode == "Max")
692 type slowConn struct {
697 func (c *slowConn) Write(p []byte) (int, error) {
704 time.Sleep(100 * time.Microsecond)
705 allowed := int(time.Since(t0).Seconds()*float64(c.bps)) / 8
706 if allowed > len(p) {
710 n, err := c.Conn.Write(p[wrote:allowed])
720 func latency(b *testing.B, bps int, dynamicRecordSizingDisabled bool) {
721 ln := newLocalListener(b)
727 for i := 0; i < N; i++ {
728 sconn, err := ln.Accept()
730 // panic rather than synchronize to avoid benchmark overhead
731 // (cannot call b.Fatal in goroutine)
732 panic(fmt.Errorf("accept: %v", err))
734 serverConfig := testConfig.Clone()
735 serverConfig.DynamicRecordSizingDisabled = dynamicRecordSizingDisabled
736 srv := Server(&slowConn{sconn, bps}, serverConfig)
737 if err := srv.Handshake(); err != nil {
738 panic(fmt.Errorf("handshake: %v", err))
744 clientConfig := testConfig.Clone()
745 clientConfig.DynamicRecordSizingDisabled = dynamicRecordSizingDisabled
747 buf := make([]byte, 16384)
748 peek := make([]byte, 1)
750 for i := 0; i < N; i++ {
751 conn, err := Dial("tcp", ln.Addr().String(), clientConfig)
755 // make sure we're connected and previous connection has stopped
756 if _, err := conn.Write(buf[:1]); err != nil {
759 if _, err := io.ReadFull(conn, peek); err != nil {
762 if _, err := conn.Write(buf); err != nil {
765 if _, err = io.ReadFull(conn, peek); err != nil {
772 func BenchmarkLatency(b *testing.B) {
773 for _, mode := range []string{"Max", "Dynamic"} {
774 for _, kbps := range []int{200, 500, 1000, 2000, 5000} {
775 name := fmt.Sprintf("%sPacket/%dkbps", mode, kbps)
776 b.Run(name, func(b *testing.B) {
777 latency(b, kbps*1000, mode == "Max")