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.
20 var rsaCertPEM = `-----BEGIN CERTIFICATE-----
21 MIIB0zCCAX2gAwIBAgIJAI/M7BYjwB+uMA0GCSqGSIb3DQEBBQUAMEUxCzAJBgNV
22 BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX
23 aWRnaXRzIFB0eSBMdGQwHhcNMTIwOTEyMjE1MjAyWhcNMTUwOTEyMjE1MjAyWjBF
24 MQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50
25 ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBANLJ
26 hPHhITqQbPklG3ibCVxwGMRfp/v4XqhfdQHdcVfHap6NQ5Wok/4xIA+ui35/MmNa
27 rtNuC+BdZ1tMuVCPFZcCAwEAAaNQME4wHQYDVR0OBBYEFJvKs8RfJaXTH08W+SGv
28 zQyKn0H8MB8GA1UdIwQYMBaAFJvKs8RfJaXTH08W+SGvzQyKn0H8MAwGA1UdEwQF
29 MAMBAf8wDQYJKoZIhvcNAQEFBQADQQBJlffJHybjDGxRMqaRmDhX0+6v02TUKZsW
30 r5QuVbpQhH6u+0UgcW0jp9QwpxoPTLTWGXEWBBBurxFwiCBhkQ+V
31 -----END CERTIFICATE-----
34 var rsaKeyPEM = `-----BEGIN RSA PRIVATE KEY-----
35 MIIBOwIBAAJBANLJhPHhITqQbPklG3ibCVxwGMRfp/v4XqhfdQHdcVfHap6NQ5Wo
36 k/4xIA+ui35/MmNartNuC+BdZ1tMuVCPFZcCAwEAAQJAEJ2N+zsR0Xn8/Q6twa4G
37 6OB1M1WO+k+ztnX/1SvNeWu8D6GImtupLTYgjZcHufykj09jiHmjHx8u8ZZB/o1N
38 MQIhAPW+eyZo7ay3lMz1V01WVjNKK9QSn1MJlb06h/LuYv9FAiEA25WPedKgVyCW
39 SmUwbPw8fnTcpqDWE3yTO3vKcebqMSsCIBF3UmVue8YU3jybC3NxuXq3wNm34R8T
40 xVLHwDXh/6NJAiEAl2oHGGLz64BuAfjKrqwz7qMYr9HCLIe/YsoWq/olzScCIQDi
41 D2lWusoe2/nEqfDVVWGWlyJ7yOmqaVm/iNUN9B2N2g==
42 -----END RSA PRIVATE KEY-----
45 // keyPEM is the same as rsaKeyPEM, but declares itself as just
46 // "PRIVATE KEY", not "RSA PRIVATE KEY". https://golang.org/issue/4477
47 var keyPEM = `-----BEGIN PRIVATE KEY-----
48 MIIBOwIBAAJBANLJhPHhITqQbPklG3ibCVxwGMRfp/v4XqhfdQHdcVfHap6NQ5Wo
49 k/4xIA+ui35/MmNartNuC+BdZ1tMuVCPFZcCAwEAAQJAEJ2N+zsR0Xn8/Q6twa4G
50 6OB1M1WO+k+ztnX/1SvNeWu8D6GImtupLTYgjZcHufykj09jiHmjHx8u8ZZB/o1N
51 MQIhAPW+eyZo7ay3lMz1V01WVjNKK9QSn1MJlb06h/LuYv9FAiEA25WPedKgVyCW
52 SmUwbPw8fnTcpqDWE3yTO3vKcebqMSsCIBF3UmVue8YU3jybC3NxuXq3wNm34R8T
53 xVLHwDXh/6NJAiEAl2oHGGLz64BuAfjKrqwz7qMYr9HCLIe/YsoWq/olzScCIQDi
54 D2lWusoe2/nEqfDVVWGWlyJ7yOmqaVm/iNUN9B2N2g==
55 -----END PRIVATE KEY-----
58 var ecdsaCertPEM = `-----BEGIN CERTIFICATE-----
59 MIIB/jCCAWICCQDscdUxw16XFDAJBgcqhkjOPQQBMEUxCzAJBgNVBAYTAkFVMRMw
60 EQYDVQQIEwpTb21lLVN0YXRlMSEwHwYDVQQKExhJbnRlcm5ldCBXaWRnaXRzIFB0
61 eSBMdGQwHhcNMTIxMTE0MTI0MDQ4WhcNMTUxMTE0MTI0MDQ4WjBFMQswCQYDVQQG
62 EwJBVTETMBEGA1UECBMKU29tZS1TdGF0ZTEhMB8GA1UEChMYSW50ZXJuZXQgV2lk
63 Z2l0cyBQdHkgTHRkMIGbMBAGByqGSM49AgEGBSuBBAAjA4GGAAQBY9+my9OoeSUR
64 lDQdV/x8LsOuLilthhiS1Tz4aGDHIPwC1mlvnf7fg5lecYpMCrLLhauAc1UJXcgl
65 01xoLuzgtAEAgv2P/jgytzRSpUYvgLBt1UA0leLYBy6mQQbrNEuqT3INapKIcUv8
66 XxYP0xMEUksLPq6Ca+CRSqTtrd/23uTnapkwCQYHKoZIzj0EAQOBigAwgYYCQXJo
67 A7Sl2nLVf+4Iu/tAX/IF4MavARKC4PPHK3zfuGfPR3oCCcsAoz3kAzOeijvd0iXb
68 H5jBImIxPL4WxQNiBTexAkF8D1EtpYuWdlVQ80/h/f4pBcGiXPqX5h2PQSQY7hP1
69 +jwM1FGS4fREIOvlBYr/SzzQRtwrvrzGYxDEDbsC0ZGRnA==
70 -----END CERTIFICATE-----
73 var ecdsaKeyPEM = `-----BEGIN EC PARAMETERS-----
75 -----END EC PARAMETERS-----
76 -----BEGIN EC PRIVATE KEY-----
77 MIHcAgEBBEIBrsoKp0oqcv6/JovJJDoDVSGWdirrkgCWxrprGlzB9o0X8fV675X0
78 NwuBenXFfeZvVcwluO7/Q9wkYoPd/t3jGImgBwYFK4EEACOhgYkDgYYABAFj36bL
79 06h5JRGUNB1X/Hwuw64uKW2GGJLVPPhoYMcg/ALWaW+d/t+DmV5xikwKssuFq4Bz
80 VQldyCXTXGgu7OC0AQCC/Y/+ODK3NFKlRi+AsG3VQDSV4tgHLqZBBus0S6pPcg1q
81 kohxS/xfFg/TEwRSSws+roJr4JFKpO2t3/be5OdqmQ==
82 -----END EC PRIVATE KEY-----
85 var keyPairTests = []struct {
90 {"ECDSA", ecdsaCertPEM, ecdsaKeyPEM},
91 {"RSA", rsaCertPEM, rsaKeyPEM},
92 {"RSA-untyped", rsaCertPEM, keyPEM}, // golang.org/issue/4477
95 func TestX509KeyPair(t *testing.T) {
97 for _, test := range keyPairTests {
98 pem = []byte(test.cert + test.key)
99 if _, err := X509KeyPair(pem, pem); err != nil {
100 t.Errorf("Failed to load %s cert followed by %s key: %s", test.algo, test.algo, err)
102 pem = []byte(test.key + test.cert)
103 if _, err := X509KeyPair(pem, pem); err != nil {
104 t.Errorf("Failed to load %s key followed by %s cert: %s", test.algo, test.algo, err)
109 func TestX509KeyPairErrors(t *testing.T) {
110 _, err := X509KeyPair([]byte(rsaKeyPEM), []byte(rsaCertPEM))
112 t.Fatalf("X509KeyPair didn't return an error when arguments were switched")
114 if subStr := "been switched"; !strings.Contains(err.Error(), subStr) {
115 t.Fatalf("Expected %q in the error when switching arguments to X509KeyPair, but the error was %q", subStr, err)
118 _, err = X509KeyPair([]byte(rsaCertPEM), []byte(rsaCertPEM))
120 t.Fatalf("X509KeyPair didn't return an error when both arguments were certificates")
122 if subStr := "certificate"; !strings.Contains(err.Error(), subStr) {
123 t.Fatalf("Expected %q in the error when both arguments to X509KeyPair were certificates, but the error was %q", subStr, err)
126 const nonsensePEM = `
127 -----BEGIN NONSENSE-----
129 -----END NONSENSE-----
132 _, err = X509KeyPair([]byte(nonsensePEM), []byte(nonsensePEM))
134 t.Fatalf("X509KeyPair didn't return an error when both arguments were nonsense")
136 if subStr := "NONSENSE"; !strings.Contains(err.Error(), subStr) {
137 t.Fatalf("Expected %q in the error when both arguments to X509KeyPair were nonsense, but the error was %q", subStr, err)
141 func TestX509MixedKeyPair(t *testing.T) {
142 if _, err := X509KeyPair([]byte(rsaCertPEM), []byte(ecdsaKeyPEM)); err == nil {
143 t.Error("Load of RSA certificate succeeded with ECDSA private key")
145 if _, err := X509KeyPair([]byte(ecdsaCertPEM), []byte(rsaKeyPEM)); err == nil {
146 t.Error("Load of ECDSA certificate succeeded with RSA private key")
150 func newLocalListener(t testing.TB) net.Listener {
151 ln, err := net.Listen("tcp", "127.0.0.1:0")
153 ln, err = net.Listen("tcp6", "[::1]:0")
161 func TestDialTimeout(t *testing.T) {
163 t.Skip("skipping in short mode")
165 listener := newLocalListener(t)
167 addr := listener.Addr().String()
168 defer listener.Close()
170 complete := make(chan bool)
171 defer close(complete)
174 conn, err := listener.Accept()
183 dialer := &net.Dialer{
184 Timeout: 10 * time.Millisecond,
188 if _, err = DialWithDialer(dialer, "tcp", addr, nil); err == nil {
189 t.Fatal("DialWithTimeout completed successfully")
192 if !isTimeoutError(err) {
193 t.Errorf("resulting error not a timeout: %v\nType %T: %#v", err, err, err)
197 func isTimeoutError(err error) bool {
198 if ne, ok := err.(net.Error); ok {
204 // tests that Conn.Read returns (non-zero, io.EOF) instead of
205 // (non-zero, nil) when a Close (alertCloseNotify) is sitting right
206 // behind the application data in the buffer.
207 func TestConnReadNonzeroAndEOF(t *testing.T) {
208 // This test is racy: it assumes that after a write to a
209 // localhost TCP connection, the peer TCP connection can
210 // immediately read it. Because it's racy, we skip this test
211 // in short mode, and then retry it several times with an
212 // increasing sleep in between our final write (via srv.Close
213 // below) and the following read.
215 t.Skip("skipping in short mode")
218 for delay := time.Millisecond; delay <= 64*time.Millisecond; delay *= 2 {
219 if err = testConnReadNonzeroAndEOF(t, delay); err == nil {
226 func testConnReadNonzeroAndEOF(t *testing.T, delay time.Duration) error {
227 ln := newLocalListener(t)
230 srvCh := make(chan *Conn, 1)
233 sconn, err := ln.Accept()
239 serverConfig := *testConfig
240 srv := Server(sconn, &serverConfig)
241 if err := srv.Handshake(); err != nil {
242 serr = fmt.Errorf("handshake: %v", err)
249 clientConfig := *testConfig
250 conn, err := Dial("tcp", ln.Addr().String(), &clientConfig)
261 buf := make([]byte, 6)
263 srv.Write([]byte("foobar"))
264 n, err := conn.Read(buf)
265 if n != 6 || err != nil || string(buf) != "foobar" {
266 return fmt.Errorf("Read = %d, %v, data %q; want 6, nil, foobar", n, err, buf)
269 srv.Write([]byte("abcdef"))
272 n, err = conn.Read(buf)
273 if n != 6 || string(buf) != "abcdef" {
274 return fmt.Errorf("Read = %d, buf= %q; want 6, abcdef", n, buf)
277 return fmt.Errorf("Second Read error = %v; want io.EOF", err)
282 func TestTLSUniqueMatches(t *testing.T) {
283 ln := newLocalListener(t)
286 serverTLSUniques := make(chan []byte)
288 for i := 0; i < 2; i++ {
289 sconn, err := ln.Accept()
293 serverConfig := *testConfig
294 srv := Server(sconn, &serverConfig)
295 if err := srv.Handshake(); err != nil {
298 serverTLSUniques <- srv.ConnectionState().TLSUnique
302 clientConfig := *testConfig
303 clientConfig.ClientSessionCache = NewLRUClientSessionCache(1)
304 conn, err := Dial("tcp", ln.Addr().String(), &clientConfig)
308 if !bytes.Equal(conn.ConnectionState().TLSUnique, <-serverTLSUniques) {
309 t.Error("client and server channel bindings differ")
313 conn, err = Dial("tcp", ln.Addr().String(), &clientConfig)
318 if !conn.ConnectionState().DidResume {
319 t.Error("second session did not use resumption")
321 if !bytes.Equal(conn.ConnectionState().TLSUnique, <-serverTLSUniques) {
322 t.Error("client and server channel bindings differ when session resumption is used")
326 func TestVerifyHostname(t *testing.T) {
327 testenv.MustHaveExternalNetwork(t)
329 c, err := Dial("tcp", "www.google.com:https", nil)
333 if err := c.VerifyHostname("www.google.com"); err != nil {
334 t.Fatalf("verify www.google.com: %v", err)
336 if err := c.VerifyHostname("www.yahoo.com"); err == nil {
337 t.Fatalf("verify www.yahoo.com succeeded")
340 c, err = Dial("tcp", "www.google.com:https", &Config{InsecureSkipVerify: true})
344 if err := c.VerifyHostname("www.google.com"); err == nil {
345 t.Fatalf("verify www.google.com succeeded with InsecureSkipVerify=true")
347 if err := c.VerifyHostname("www.yahoo.com"); err == nil {
348 t.Fatalf("verify www.google.com succeeded with InsecureSkipVerify=true")
352 func TestVerifyHostnameResumed(t *testing.T) {
353 testenv.MustHaveExternalNetwork(t)
356 ClientSessionCache: NewLRUClientSessionCache(32),
358 for i := 0; i < 2; i++ {
359 c, err := Dial("tcp", "www.google.com:https", config)
361 t.Fatalf("Dial #%d: %v", i, err)
363 cs := c.ConnectionState()
364 if i > 0 && !cs.DidResume {
365 t.Fatalf("Subsequent connection unexpectedly didn't resume")
367 if cs.VerifiedChains == nil {
368 t.Fatalf("Dial #%d: cs.VerifiedChains == nil", i)
370 if err := c.VerifyHostname("www.google.com"); err != nil {
371 t.Fatalf("verify www.google.com #%d: %v", i, err)
377 func TestConnCloseBreakingWrite(t *testing.T) {
378 ln := newLocalListener(t)
381 srvCh := make(chan *Conn, 1)
386 sconn, err = ln.Accept()
392 serverConfig := *testConfig
393 srv := Server(sconn, &serverConfig)
394 if err := srv.Handshake(); err != nil {
395 serr = fmt.Errorf("handshake: %v", err)
402 cconn, err := net.Dial("tcp", ln.Addr().String())
408 conn := &changeImplConn{
412 clientConfig := *testConfig
413 tconn := Client(conn, &clientConfig)
414 if err := tconn.Handshake(); err != nil {
424 connClosed := make(chan struct{})
425 conn.closeFunc = func() error {
430 inWrite := make(chan bool, 1)
431 var errConnClosed = errors.New("conn closed for test")
432 conn.writeFunc = func(p []byte) (n int, err error) {
435 return 0, errConnClosed
438 closeReturned := make(chan bool, 1)
441 tconn.Close() // test that this doesn't block forever.
442 closeReturned <- true
445 _, err = tconn.Write([]byte("foo"))
446 if err != errConnClosed {
447 t.Errorf("Write error = %v; want errConnClosed", err)
451 if err := tconn.Close(); err != errClosed {
452 t.Errorf("Close error = %v; want errClosed", err)
456 // changeImplConn is a net.Conn which can change its Write and Close
458 type changeImplConn struct {
460 writeFunc func([]byte) (int, error)
461 closeFunc func() error
464 func (w *changeImplConn) Write(p []byte) (n int, err error) {
465 if w.writeFunc != nil {
466 return w.writeFunc(p)
468 return w.Conn.Write(p)
471 func (w *changeImplConn) Close() error {
472 if w.closeFunc != nil {
475 return w.Conn.Close()
478 func throughput(b *testing.B, totalBytes int64, dynamicRecordSizingDisabled bool) {
479 ln := newLocalListener(b)
486 for i := 0; i < N; i++ {
487 sconn, err := ln.Accept()
492 serverConfig := *testConfig
493 serverConfig.DynamicRecordSizingDisabled = dynamicRecordSizingDisabled
494 srv := Server(sconn, &serverConfig)
495 if err := srv.Handshake(); err != nil {
496 serr = fmt.Errorf("handshake: %v", err)
503 b.SetBytes(totalBytes)
504 clientConfig := *testConfig
505 clientConfig.DynamicRecordSizingDisabled = dynamicRecordSizingDisabled
507 buf := make([]byte, 1<<16)
508 chunks := int(math.Ceil(float64(totalBytes) / float64(len(buf))))
509 for i := 0; i < N; i++ {
510 conn, err := Dial("tcp", ln.Addr().String(), &clientConfig)
514 for j := 0; j < chunks; j++ {
515 _, err := conn.Write(buf)
519 _, err = io.ReadFull(conn, buf)
528 func BenchmarkThroughput(b *testing.B) {
529 for _, mode := range []string{"Max", "Dynamic"} {
530 for size := 1; size <= 64; size<<=1{
531 name := fmt.Sprintf("%sPacket/%dMB", mode, size)
532 b.Run(name, func(b *testing.B) {
533 throughput(b, int64(size<<20), mode == "Max")
539 type slowConn struct {
544 func (c *slowConn) Write(p []byte) (int, error) {
551 time.Sleep(100*time.Microsecond)
552 allowed := int(time.Since(t0).Seconds() * float64(c.bps)) / 8
553 if allowed > len(p) {
557 n, err := c.Conn.Write(p[wrote:allowed])
567 func latency(b *testing.B, bps int, dynamicRecordSizingDisabled bool) {
568 ln := newLocalListener(b)
575 for i := 0; i < N; i++ {
576 sconn, err := ln.Accept()
581 serverConfig := *testConfig
582 serverConfig.DynamicRecordSizingDisabled = dynamicRecordSizingDisabled
583 srv := Server(&slowConn{sconn, bps}, &serverConfig)
584 if err := srv.Handshake(); err != nil {
585 serr = fmt.Errorf("handshake: %v", err)
592 clientConfig := *testConfig
593 clientConfig.DynamicRecordSizingDisabled = dynamicRecordSizingDisabled
595 buf := make([]byte, 16384)
596 peek := make([]byte, 1)
598 for i := 0; i < N; i++ {
599 conn, err := Dial("tcp", ln.Addr().String(), &clientConfig)
603 // make sure we're connected and previous connection has stopped
604 if _, err := conn.Write(buf[:1]); err != nil {
607 if _, err := io.ReadFull(conn, peek); err != nil {
610 if _, err := conn.Write(buf); err != nil {
613 if _, err = io.ReadFull(conn, peek); err != nil {
621 func BenchmarkLatency(b *testing.B) {
622 for _, mode := range []string{"Max", "Dynamic"} {
623 for _, kbps := range []int{200, 500, 1000, 2000, 5000} {
624 name := fmt.Sprintf("%sPacket/%dkbps", mode, kbps)
625 b.Run(name, func(b *testing.B) {
626 latency(b, kbps*1000, mode == "Max")