libgo: update to go1.9

[official-gcc.git] / libgo / go / crypto / tls / handshake_server_test.go

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package tls

import (
        "bytes"
        "crypto/ecdsa"
        "crypto/elliptic"
        "crypto/rsa"
        "encoding/hex"
        "encoding/pem"
        "errors"
        "fmt"
        "io"
        "math/big"
        "net"
        "os"
        "os/exec"
        "path/filepath"
        "strings"
        "testing"
        "time"
)

// zeroSource is an io.Reader that returns an unlimited number of zero bytes.
type zeroSource struct{}

func (zeroSource) Read(b []byte) (n int, err error) {
        for i := range b {
                b[i] = 0
        }

        return len(b), nil
}

var testConfig *Config

func allCipherSuites() []uint16 {
        ids := make([]uint16, len(cipherSuites))
        for i, suite := range cipherSuites {
                ids[i] = suite.id
        }

        return ids
}

func init() {
        testConfig = &Config{
                Time:               func() time.Time { return time.Unix(0, 0) },
                Rand:               zeroSource{},
                Certificates:       make([]Certificate, 2),
                InsecureSkipVerify: true,
                MinVersion:         VersionSSL30,
                MaxVersion:         VersionTLS12,
                CipherSuites:       allCipherSuites(),
        }
        testConfig.Certificates[0].Certificate = [][]byte{testRSACertificate}
        testConfig.Certificates[0].PrivateKey = testRSAPrivateKey
        testConfig.Certificates[1].Certificate = [][]byte{testSNICertificate}
        testConfig.Certificates[1].PrivateKey = testRSAPrivateKey
        testConfig.BuildNameToCertificate()
}

func testClientHello(t *testing.T, serverConfig *Config, m handshakeMessage) {
        testClientHelloFailure(t, serverConfig, m, "")
}

func testClientHelloFailure(t *testing.T, serverConfig *Config, m handshakeMessage, expectedSubStr string) {
        // Create in-memory network connection,
        // send message to server. Should return
        // expected error.
        c, s := net.Pipe()
        go func() {
                cli := Client(c, testConfig)
                if ch, ok := m.(*clientHelloMsg); ok {
                        cli.vers = ch.vers
                }
                cli.writeRecord(recordTypeHandshake, m.marshal())
                c.Close()
        }()
        hs := serverHandshakeState{
                c: Server(s, serverConfig),
        }
        _, err := hs.readClientHello()
        s.Close()
        if len(expectedSubStr) == 0 {
                if err != nil && err != io.EOF {
                        t.Errorf("Got error: %s; expected to succeed", err)
                }
        } else if err == nil || !strings.Contains(err.Error(), expectedSubStr) {
                t.Errorf("Got error: %s; expected to match substring '%s'", err, expectedSubStr)
        }
}

func TestSimpleError(t *testing.T) {
        testClientHelloFailure(t, testConfig, &serverHelloDoneMsg{}, "unexpected handshake message")
}

var badProtocolVersions = []uint16{0x0000, 0x0005, 0x0100, 0x0105, 0x0200, 0x0205}

func TestRejectBadProtocolVersion(t *testing.T) {
        for _, v := range badProtocolVersions {
                testClientHelloFailure(t, testConfig, &clientHelloMsg{vers: v}, "unsupported, maximum protocol version")
        }
}

func TestNoSuiteOverlap(t *testing.T) {
        clientHello := &clientHelloMsg{
                vers:               VersionTLS10,
                cipherSuites:       []uint16{0xff00},
                compressionMethods: []uint8{compressionNone},
        }
        testClientHelloFailure(t, testConfig, clientHello, "no cipher suite supported by both client and server")
}

func TestNoCompressionOverlap(t *testing.T) {
        clientHello := &clientHelloMsg{
                vers:               VersionTLS10,
                cipherSuites:       []uint16{TLS_RSA_WITH_RC4_128_SHA},
                compressionMethods: []uint8{0xff},
        }
        testClientHelloFailure(t, testConfig, clientHello, "client does not support uncompressed connections")
}

func TestNoRC4ByDefault(t *testing.T) {
        clientHello := &clientHelloMsg{
                vers:               VersionTLS10,
                cipherSuites:       []uint16{TLS_RSA_WITH_RC4_128_SHA},
                compressionMethods: []uint8{compressionNone},
        }
        serverConfig := testConfig.Clone()
        // Reset the enabled cipher suites to nil in order to test the
        // defaults.
        serverConfig.CipherSuites = nil
        testClientHelloFailure(t, serverConfig, clientHello, "no cipher suite supported by both client and server")
}

func TestRejectSNIWithTrailingDot(t *testing.T) {
        testClientHelloFailure(t, testConfig, &clientHelloMsg{vers: VersionTLS12, serverName: "foo.com."}, "unexpected message")
}

func TestDontSelectECDSAWithRSAKey(t *testing.T) {
        // Test that, even when both sides support an ECDSA cipher suite, it
        // won't be selected if the server's private key doesn't support it.
        clientHello := &clientHelloMsg{
                vers:               VersionTLS10,
                cipherSuites:       []uint16{TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA},
                compressionMethods: []uint8{compressionNone},
                supportedCurves:    []CurveID{CurveP256},
                supportedPoints:    []uint8{pointFormatUncompressed},
        }
        serverConfig := testConfig.Clone()
        serverConfig.CipherSuites = clientHello.cipherSuites
        serverConfig.Certificates = make([]Certificate, 1)
        serverConfig.Certificates[0].Certificate = [][]byte{testECDSACertificate}
        serverConfig.Certificates[0].PrivateKey = testECDSAPrivateKey
        serverConfig.BuildNameToCertificate()
        // First test that it *does* work when the server's key is ECDSA.
        testClientHello(t, serverConfig, clientHello)

        // Now test that switching to an RSA key causes the expected error (and
        // not an internal error about a signing failure).
        serverConfig.Certificates = testConfig.Certificates
        testClientHelloFailure(t, serverConfig, clientHello, "no cipher suite supported by both client and server")
}

func TestDontSelectRSAWithECDSAKey(t *testing.T) {
        // Test that, even when both sides support an RSA cipher suite, it
        // won't be selected if the server's private key doesn't support it.
        clientHello := &clientHelloMsg{
                vers:               VersionTLS10,
                cipherSuites:       []uint16{TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA},
                compressionMethods: []uint8{compressionNone},
                supportedCurves:    []CurveID{CurveP256},
                supportedPoints:    []uint8{pointFormatUncompressed},
        }
        serverConfig := testConfig.Clone()
        serverConfig.CipherSuites = clientHello.cipherSuites
        // First test that it *does* work when the server's key is RSA.
        testClientHello(t, serverConfig, clientHello)

        // Now test that switching to an ECDSA key causes the expected error
        // (and not an internal error about a signing failure).
        serverConfig.Certificates = make([]Certificate, 1)
        serverConfig.Certificates[0].Certificate = [][]byte{testECDSACertificate}
        serverConfig.Certificates[0].PrivateKey = testECDSAPrivateKey
        serverConfig.BuildNameToCertificate()
        testClientHelloFailure(t, serverConfig, clientHello, "no cipher suite supported by both client and server")
}

func TestRenegotiationExtension(t *testing.T) {
        clientHello := &clientHelloMsg{
                vers:               VersionTLS12,
                compressionMethods: []uint8{compressionNone},
                random:             make([]byte, 32),
                secureRenegotiationSupported: true,
                cipherSuites:                 []uint16{TLS_RSA_WITH_RC4_128_SHA},
        }

        var buf []byte
        c, s := net.Pipe()

        go func() {
                cli := Client(c, testConfig)
                cli.vers = clientHello.vers
                cli.writeRecord(recordTypeHandshake, clientHello.marshal())

                buf = make([]byte, 1024)
                n, err := c.Read(buf)
                if err != nil {
                        t.Errorf("Server read returned error: %s", err)
                        return
                }
                buf = buf[:n]
                c.Close()
        }()

        Server(s, testConfig).Handshake()

        if len(buf) < 5+4 {
                t.Fatalf("Server returned short message of length %d", len(buf))
        }
        // buf contains a TLS record, with a 5 byte record header and a 4 byte
        // handshake header. The length of the ServerHello is taken from the
        // handshake header.
        serverHelloLen := int(buf[6])<<16 | int(buf[7])<<8 | int(buf[8])

        var serverHello serverHelloMsg
        // unmarshal expects to be given the handshake header, but
        // serverHelloLen doesn't include it.
        if !serverHello.unmarshal(buf[5 : 9+serverHelloLen]) {
                t.Fatalf("Failed to parse ServerHello")
        }

        if !serverHello.secureRenegotiationSupported {
                t.Errorf("Secure renegotiation extension was not echoed.")
        }
}

func TestTLS12OnlyCipherSuites(t *testing.T) {
        // Test that a Server doesn't select a TLS 1.2-only cipher suite when
        // the client negotiates TLS 1.1.
        var zeros [32]byte

        clientHello := &clientHelloMsg{
                vers:   VersionTLS11,
                random: zeros[:],
                cipherSuites: []uint16{
                        // The Server, by default, will use the client's
                        // preference order. So the GCM cipher suite
                        // will be selected unless it's excluded because
                        // of the version in this ClientHello.
                        TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
                        TLS_RSA_WITH_RC4_128_SHA,
                },
                compressionMethods: []uint8{compressionNone},
                supportedCurves:    []CurveID{CurveP256, CurveP384, CurveP521},
                supportedPoints:    []uint8{pointFormatUncompressed},
        }

        c, s := net.Pipe()
        var reply interface{}
        var clientErr error
        go func() {
                cli := Client(c, testConfig)
                cli.vers = clientHello.vers
                cli.writeRecord(recordTypeHandshake, clientHello.marshal())
                reply, clientErr = cli.readHandshake()
                c.Close()
        }()
        config := testConfig.Clone()
        config.CipherSuites = clientHello.cipherSuites
        Server(s, config).Handshake()
        s.Close()
        if clientErr != nil {
                t.Fatal(clientErr)
        }
        serverHello, ok := reply.(*serverHelloMsg)
        if !ok {
                t.Fatalf("didn't get ServerHello message in reply. Got %v\n", reply)
        }
        if s := serverHello.cipherSuite; s != TLS_RSA_WITH_RC4_128_SHA {
                t.Fatalf("bad cipher suite from server: %x", s)
        }
}

func TestAlertForwarding(t *testing.T) {
        c, s := net.Pipe()
        go func() {
                Client(c, testConfig).sendAlert(alertUnknownCA)
                c.Close()
        }()

        err := Server(s, testConfig).Handshake()
        s.Close()
        if e, ok := err.(*net.OpError); !ok || e.Err != error(alertUnknownCA) {
                t.Errorf("Got error: %s; expected: %s", err, error(alertUnknownCA))
        }
}

func TestClose(t *testing.T) {
        c, s := net.Pipe()
        go c.Close()

        err := Server(s, testConfig).Handshake()
        s.Close()
        if err != io.EOF {
                t.Errorf("Got error: %s; expected: %s", err, io.EOF)
        }
}

func testHandshake(clientConfig, serverConfig *Config) (serverState, clientState ConnectionState, err error) {
        c, s := net.Pipe()
        done := make(chan bool)
        go func() {
                cli := Client(c, clientConfig)
                cli.Handshake()
                clientState = cli.ConnectionState()
                c.Close()
                done <- true
        }()
        server := Server(s, serverConfig)
        err = server.Handshake()
        if err == nil {
                serverState = server.ConnectionState()
        }
        s.Close()
        <-done
        return
}

func TestVersion(t *testing.T) {
        serverConfig := &Config{
                Certificates: testConfig.Certificates,
                MaxVersion:   VersionTLS11,
        }
        clientConfig := &Config{
                InsecureSkipVerify: true,
        }
        state, _, err := testHandshake(clientConfig, serverConfig)
        if err != nil {
                t.Fatalf("handshake failed: %s", err)
        }
        if state.Version != VersionTLS11 {
                t.Fatalf("Incorrect version %x, should be %x", state.Version, VersionTLS11)
        }
}

func TestCipherSuitePreference(t *testing.T) {
        serverConfig := &Config{
                CipherSuites: []uint16{TLS_RSA_WITH_RC4_128_SHA, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_RC4_128_SHA},
                Certificates: testConfig.Certificates,
                MaxVersion:   VersionTLS11,
        }
        clientConfig := &Config{
                CipherSuites:       []uint16{TLS_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_RC4_128_SHA},
                InsecureSkipVerify: true,
        }
        state, _, err := testHandshake(clientConfig, serverConfig)
        if err != nil {
                t.Fatalf("handshake failed: %s", err)
        }
        if state.CipherSuite != TLS_RSA_WITH_AES_128_CBC_SHA {
                // By default the server should use the client's preference.
                t.Fatalf("Client's preference was not used, got %x", state.CipherSuite)
        }

        serverConfig.PreferServerCipherSuites = true
        state, _, err = testHandshake(clientConfig, serverConfig)
        if err != nil {
                t.Fatalf("handshake failed: %s", err)
        }
        if state.CipherSuite != TLS_RSA_WITH_RC4_128_SHA {
                t.Fatalf("Server's preference was not used, got %x", state.CipherSuite)
        }
}

func TestSCTHandshake(t *testing.T) {
        expected := [][]byte{[]byte("certificate"), []byte("transparency")}
        serverConfig := &Config{
                Certificates: []Certificate{{
                        Certificate:                 [][]byte{testRSACertificate},
                        PrivateKey:                  testRSAPrivateKey,
                        SignedCertificateTimestamps: expected,
                }},
        }
        clientConfig := &Config{
                InsecureSkipVerify: true,
        }
        _, state, err := testHandshake(clientConfig, serverConfig)
        if err != nil {
                t.Fatalf("handshake failed: %s", err)
        }
        actual := state.SignedCertificateTimestamps
        if len(actual) != len(expected) {
                t.Fatalf("got %d scts, want %d", len(actual), len(expected))
        }
        for i, sct := range expected {
                if !bytes.Equal(sct, actual[i]) {
                        t.Fatalf("SCT #%d was %x, but expected %x", i, actual[i], sct)
                }
        }
}

func TestCrossVersionResume(t *testing.T) {
        serverConfig := &Config{
                CipherSuites: []uint16{TLS_RSA_WITH_AES_128_CBC_SHA},
                Certificates: testConfig.Certificates,
        }
        clientConfig := &Config{
                CipherSuites:       []uint16{TLS_RSA_WITH_AES_128_CBC_SHA},
                InsecureSkipVerify: true,
                ClientSessionCache: NewLRUClientSessionCache(1),
                ServerName:         "servername",
        }

        // Establish a session at TLS 1.1.
        clientConfig.MaxVersion = VersionTLS11
        _, _, err := testHandshake(clientConfig, serverConfig)
        if err != nil {
                t.Fatalf("handshake failed: %s", err)
        }

        // The client session cache now contains a TLS 1.1 session.
        state, _, err := testHandshake(clientConfig, serverConfig)
        if err != nil {
                t.Fatalf("handshake failed: %s", err)
        }
        if !state.DidResume {
                t.Fatalf("handshake did not resume at the same version")
        }

        // Test that the server will decline to resume at a lower version.
        clientConfig.MaxVersion = VersionTLS10
        state, _, err = testHandshake(clientConfig, serverConfig)
        if err != nil {
                t.Fatalf("handshake failed: %s", err)
        }
        if state.DidResume {
                t.Fatalf("handshake resumed at a lower version")
        }

        // The client session cache now contains a TLS 1.0 session.
        state, _, err = testHandshake(clientConfig, serverConfig)
        if err != nil {
                t.Fatalf("handshake failed: %s", err)
        }
        if !state.DidResume {
                t.Fatalf("handshake did not resume at the same version")
        }

        // Test that the server will decline to resume at a higher version.
        clientConfig.MaxVersion = VersionTLS11
        state, _, err = testHandshake(clientConfig, serverConfig)
        if err != nil {
                t.Fatalf("handshake failed: %s", err)
        }
        if state.DidResume {
                t.Fatalf("handshake resumed at a higher version")
        }
}

// Note: see comment in handshake_test.go for details of how the reference
// tests work.

// serverTest represents a test of the TLS server handshake against a reference
// implementation.
type serverTest struct {
        // name is a freeform string identifying the test and the file in which
        // the expected results will be stored.
        name string
        // command, if not empty, contains a series of arguments for the
        // command to run for the reference server.
        command []string
        // expectedPeerCerts contains a list of PEM blocks of expected
        // certificates from the client.
        expectedPeerCerts []string
        // config, if not nil, contains a custom Config to use for this test.
        config *Config
        // expectHandshakeErrorIncluding, when not empty, contains a string
        // that must be a substring of the error resulting from the handshake.
        expectHandshakeErrorIncluding string
        // validate, if not nil, is a function that will be called with the
        // ConnectionState of the resulting connection. It returns false if the
        // ConnectionState is unacceptable.
        validate func(ConnectionState) error
}

var defaultClientCommand = []string{"openssl", "s_client", "-no_ticket"}

// connFromCommand starts opens a listening socket and starts the reference
// client to connect to it. It returns a recordingConn that wraps the resulting
// connection.
func (test *serverTest) connFromCommand() (conn *recordingConn, child *exec.Cmd, err error) {
        l, err := net.ListenTCP("tcp", &net.TCPAddr{
                IP:   net.IPv4(127, 0, 0, 1),
                Port: 0,
        })
        if err != nil {
                return nil, nil, err
        }
        defer l.Close()

        port := l.Addr().(*net.TCPAddr).Port

        var command []string
        command = append(command, test.command...)
        if len(command) == 0 {
                command = defaultClientCommand
        }
        command = append(command, "-connect")
        command = append(command, fmt.Sprintf("127.0.0.1:%d", port))
        cmd := exec.Command(command[0], command[1:]...)
        cmd.Stdin = nil
        var output bytes.Buffer
        cmd.Stdout = &output
        cmd.Stderr = &output
        if err := cmd.Start(); err != nil {
                return nil, nil, err
        }

        connChan := make(chan interface{})
        go func() {
                tcpConn, err := l.Accept()
                if err != nil {
                        connChan <- err
                }
                connChan <- tcpConn
        }()

        var tcpConn net.Conn
        select {
        case connOrError := <-connChan:
                if err, ok := connOrError.(error); ok {
                        return nil, nil, err
                }
                tcpConn = connOrError.(net.Conn)
        case <-time.After(2 * time.Second):
                output.WriteTo(os.Stdout)
                return nil, nil, errors.New("timed out waiting for connection from child process")
        }

        record := &recordingConn{
                Conn: tcpConn,
        }

        return record, cmd, nil
}

func (test *serverTest) dataPath() string {
        return filepath.Join("testdata", "Server-"+test.name)
}

func (test *serverTest) loadData() (flows [][]byte, err error) {
        in, err := os.Open(test.dataPath())
        if err != nil {
                return nil, err
        }
        defer in.Close()
        return parseTestData(in)
}

func (test *serverTest) run(t *testing.T, write bool) {
        checkOpenSSLVersion(t)

        var clientConn, serverConn net.Conn
        var recordingConn *recordingConn
        var childProcess *exec.Cmd

        if write {
                var err error
                recordingConn, childProcess, err = test.connFromCommand()
                if err != nil {
                        t.Fatalf("Failed to start subcommand: %s", err)
                }
                serverConn = recordingConn
        } else {
                clientConn, serverConn = net.Pipe()
        }
        config := test.config
        if config == nil {
                config = testConfig
        }
        server := Server(serverConn, config)
        connStateChan := make(chan ConnectionState, 1)
        go func() {
                _, err := server.Write([]byte("hello, world\n"))
                if len(test.expectHandshakeErrorIncluding) > 0 {
                        if err == nil {
                                t.Errorf("Error expected, but no error returned")
                        } else if s := err.Error(); !strings.Contains(s, test.expectHandshakeErrorIncluding) {
                                t.Errorf("Error expected containing '%s' but got '%s'", test.expectHandshakeErrorIncluding, s)
                        }
                } else {
                        if err != nil {
                                t.Logf("Error from Server.Write: '%s'", err)
                        }
                }
                server.Close()
                serverConn.Close()
                connStateChan <- server.ConnectionState()
        }()

        if !write {
                flows, err := test.loadData()
                if err != nil {
                        t.Fatalf("%s: failed to load data from %s", test.name, test.dataPath())
                }
                for i, b := range flows {
                        if i%2 == 0 {
                                clientConn.Write(b)
                                continue
                        }
                        bb := make([]byte, len(b))
                        n, err := io.ReadFull(clientConn, bb)
                        if err != nil {
                                t.Fatalf("%s #%d: %s\nRead %d, wanted %d, got %x, wanted %x\n", test.name, i+1, err, n, len(bb), bb[:n], b)
                        }
                        if !bytes.Equal(b, bb) {
                                t.Fatalf("%s #%d: mismatch on read: got:%x want:%x", test.name, i+1, bb, b)
                        }
                }
                clientConn.Close()
        }

        connState := <-connStateChan
        peerCerts := connState.PeerCertificates
        if len(peerCerts) == len(test.expectedPeerCerts) {
                for i, peerCert := range peerCerts {
                        block, _ := pem.Decode([]byte(test.expectedPeerCerts[i]))
                        if !bytes.Equal(block.Bytes, peerCert.Raw) {
                                t.Fatalf("%s: mismatch on peer cert %d", test.name, i+1)
                        }
                }
        } else {
                t.Fatalf("%s: mismatch on peer list length: %d (wanted) != %d (got)", test.name, len(test.expectedPeerCerts), len(peerCerts))
        }

        if test.validate != nil {
                if err := test.validate(connState); err != nil {
                        t.Fatalf("validate callback returned error: %s", err)
                }
        }

        if write {
                path := test.dataPath()
                out, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
                if err != nil {
                        t.Fatalf("Failed to create output file: %s", err)
                }
                defer out.Close()
                recordingConn.Close()
                if len(recordingConn.flows) < 3 {
                        childProcess.Stdout.(*bytes.Buffer).WriteTo(os.Stdout)
                        if len(test.expectHandshakeErrorIncluding) == 0 {
                                t.Fatalf("Handshake failed")
                        }
                }
                recordingConn.WriteTo(out)
                fmt.Printf("Wrote %s\n", path)
                childProcess.Wait()
        }
}

func runServerTestForVersion(t *testing.T, template *serverTest, prefix, option string) {
        setParallel(t)
        test := *template
        test.name = prefix + test.name
        if len(test.command) == 0 {
                test.command = defaultClientCommand
        }
        test.command = append([]string(nil), test.command...)
        test.command = append(test.command, option)
        test.run(t, *update)
}

func runServerTestSSLv3(t *testing.T, template *serverTest) {
        runServerTestForVersion(t, template, "SSLv3-", "-ssl3")
}

func runServerTestTLS10(t *testing.T, template *serverTest) {
        runServerTestForVersion(t, template, "TLSv10-", "-tls1")
}

func runServerTestTLS11(t *testing.T, template *serverTest) {
        runServerTestForVersion(t, template, "TLSv11-", "-tls1_1")
}

func runServerTestTLS12(t *testing.T, template *serverTest) {
        runServerTestForVersion(t, template, "TLSv12-", "-tls1_2")
}

func TestHandshakeServerRSARC4(t *testing.T) {
        test := &serverTest{
                name:    "RSA-RC4",
                command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "RC4-SHA"},
        }
        runServerTestSSLv3(t, test)
        runServerTestTLS10(t, test)
        runServerTestTLS11(t, test)
        runServerTestTLS12(t, test)
}

func TestHandshakeServerRSA3DES(t *testing.T) {
        test := &serverTest{
                name:    "RSA-3DES",
                command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "DES-CBC3-SHA"},
        }
        runServerTestSSLv3(t, test)
        runServerTestTLS10(t, test)
        runServerTestTLS12(t, test)
}

func TestHandshakeServerRSAAES(t *testing.T) {
        test := &serverTest{
                name:    "RSA-AES",
                command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "AES128-SHA"},
        }
        runServerTestSSLv3(t, test)
        runServerTestTLS10(t, test)
        runServerTestTLS12(t, test)
}

func TestHandshakeServerAESGCM(t *testing.T) {
        test := &serverTest{
                name:    "RSA-AES-GCM",
                command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "ECDHE-RSA-AES128-GCM-SHA256"},
        }
        runServerTestTLS12(t, test)
}

func TestHandshakeServerAES256GCMSHA384(t *testing.T) {
        test := &serverTest{
                name:    "RSA-AES256-GCM-SHA384",
                command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "ECDHE-RSA-AES256-GCM-SHA384"},
        }
        runServerTestTLS12(t, test)
}

func TestHandshakeServerECDHEECDSAAES(t *testing.T) {
        config := testConfig.Clone()
        config.Certificates = make([]Certificate, 1)
        config.Certificates[0].Certificate = [][]byte{testECDSACertificate}
        config.Certificates[0].PrivateKey = testECDSAPrivateKey
        config.BuildNameToCertificate()

        test := &serverTest{
                name:    "ECDHE-ECDSA-AES",
                command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "ECDHE-ECDSA-AES256-SHA"},
                config:  config,
        }
        runServerTestTLS10(t, test)
        runServerTestTLS12(t, test)
}

func TestHandshakeServerX25519(t *testing.T) {
        config := testConfig.Clone()
        config.CurvePreferences = []CurveID{X25519}

        test := &serverTest{
                name:    "X25519-ECDHE-RSA-AES-GCM",
                command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "ECDHE-RSA-AES128-GCM-SHA256"},
                config:  config,
        }
        runServerTestTLS12(t, test)
}

func TestHandshakeServerALPN(t *testing.T) {
        config := testConfig.Clone()
        config.NextProtos = []string{"proto1", "proto2"}

        test := &serverTest{
                name: "ALPN",
                // Note that this needs OpenSSL 1.0.2 because that is the first
                // version that supports the -alpn flag.
                command: []string{"openssl", "s_client", "-alpn", "proto2,proto1"},
                config:  config,
                validate: func(state ConnectionState) error {
                        // The server's preferences should override the client.
                        if state.NegotiatedProtocol != "proto1" {
                                return fmt.Errorf("Got protocol %q, wanted proto1", state.NegotiatedProtocol)
                        }
                        return nil
                },
        }
        runServerTestTLS12(t, test)
}

func TestHandshakeServerALPNNoMatch(t *testing.T) {
        config := testConfig.Clone()
        config.NextProtos = []string{"proto3"}

        test := &serverTest{
                name: "ALPN-NoMatch",
                // Note that this needs OpenSSL 1.0.2 because that is the first
                // version that supports the -alpn flag.
                command: []string{"openssl", "s_client", "-alpn", "proto2,proto1"},
                config:  config,
                validate: func(state ConnectionState) error {
                        // Rather than reject the connection, Go doesn't select
                        // a protocol when there is no overlap.
                        if state.NegotiatedProtocol != "" {
                                return fmt.Errorf("Got protocol %q, wanted ''", state.NegotiatedProtocol)
                        }
                        return nil
                },
        }
        runServerTestTLS12(t, test)
}

// TestHandshakeServerSNI involves a client sending an SNI extension of
// "snitest.com", which happens to match the CN of testSNICertificate. The test
// verifies that the server correctly selects that certificate.
func TestHandshakeServerSNI(t *testing.T) {
        test := &serverTest{
                name:    "SNI",
                command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "AES128-SHA", "-servername", "snitest.com"},
        }
        runServerTestTLS12(t, test)
}

// TestHandshakeServerSNICertForName is similar to TestHandshakeServerSNI, but
// tests the dynamic GetCertificate method
func TestHandshakeServerSNIGetCertificate(t *testing.T) {
        config := testConfig.Clone()

        // Replace the NameToCertificate map with a GetCertificate function
        nameToCert := config.NameToCertificate
        config.NameToCertificate = nil
        config.GetCertificate = func(clientHello *ClientHelloInfo) (*Certificate, error) {
                cert, _ := nameToCert[clientHello.ServerName]
                return cert, nil
        }
        test := &serverTest{
                name:    "SNI-GetCertificate",
                command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "AES128-SHA", "-servername", "snitest.com"},
                config:  config,
        }
        runServerTestTLS12(t, test)
}

// TestHandshakeServerSNICertForNameNotFound is similar to
// TestHandshakeServerSNICertForName, but tests to make sure that when the
// GetCertificate method doesn't return a cert, we fall back to what's in
// the NameToCertificate map.
func TestHandshakeServerSNIGetCertificateNotFound(t *testing.T) {
        config := testConfig.Clone()

        config.GetCertificate = func(clientHello *ClientHelloInfo) (*Certificate, error) {
                return nil, nil
        }
        test := &serverTest{
                name:    "SNI-GetCertificateNotFound",
                command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "AES128-SHA", "-servername", "snitest.com"},
                config:  config,
        }
        runServerTestTLS12(t, test)
}

// TestHandshakeServerSNICertForNameError tests to make sure that errors in
// GetCertificate result in a tls alert.
func TestHandshakeServerSNIGetCertificateError(t *testing.T) {
        const errMsg = "TestHandshakeServerSNIGetCertificateError error"

        serverConfig := testConfig.Clone()
        serverConfig.GetCertificate = func(clientHello *ClientHelloInfo) (*Certificate, error) {
                return nil, errors.New(errMsg)
        }

        clientHello := &clientHelloMsg{
                vers:               VersionTLS10,
                cipherSuites:       []uint16{TLS_RSA_WITH_RC4_128_SHA},
                compressionMethods: []uint8{compressionNone},
                serverName:         "test",
        }
        testClientHelloFailure(t, serverConfig, clientHello, errMsg)
}

// TestHandshakeServerEmptyCertificates tests that GetCertificates is called in
// the case that Certificates is empty, even without SNI.
func TestHandshakeServerEmptyCertificates(t *testing.T) {
        const errMsg = "TestHandshakeServerEmptyCertificates error"

        serverConfig := testConfig.Clone()
        serverConfig.GetCertificate = func(clientHello *ClientHelloInfo) (*Certificate, error) {
                return nil, errors.New(errMsg)
        }
        serverConfig.Certificates = nil

        clientHello := &clientHelloMsg{
                vers:               VersionTLS10,
                cipherSuites:       []uint16{TLS_RSA_WITH_RC4_128_SHA},
                compressionMethods: []uint8{compressionNone},
        }
        testClientHelloFailure(t, serverConfig, clientHello, errMsg)

        // With an empty Certificates and a nil GetCertificate, the server
        // should always return a “no certificates” error.
        serverConfig.GetCertificate = nil

        clientHello = &clientHelloMsg{
                vers:               VersionTLS10,
                cipherSuites:       []uint16{TLS_RSA_WITH_RC4_128_SHA},
                compressionMethods: []uint8{compressionNone},
        }
        testClientHelloFailure(t, serverConfig, clientHello, "no certificates")
}

// TestCipherSuiteCertPreferance ensures that we select an RSA ciphersuite with
// an RSA certificate and an ECDSA ciphersuite with an ECDSA certificate.
func TestCipherSuiteCertPreferenceECDSA(t *testing.T) {
        config := testConfig.Clone()
        config.CipherSuites = []uint16{TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA}
        config.PreferServerCipherSuites = true

        test := &serverTest{
                name:   "CipherSuiteCertPreferenceRSA",
                config: config,
        }
        runServerTestTLS12(t, test)

        config = testConfig.Clone()
        config.CipherSuites = []uint16{TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA}
        config.Certificates = []Certificate{
                {
                        Certificate: [][]byte{testECDSACertificate},
                        PrivateKey:  testECDSAPrivateKey,
                },
        }
        config.BuildNameToCertificate()
        config.PreferServerCipherSuites = true

        test = &serverTest{
                name:   "CipherSuiteCertPreferenceECDSA",
                config: config,
        }
        runServerTestTLS12(t, test)
}

func TestResumption(t *testing.T) {
        sessionFilePath := tempFile("")
        defer os.Remove(sessionFilePath)

        test := &serverTest{
                name:    "IssueTicket",
                command: []string{"openssl", "s_client", "-cipher", "AES128-SHA", "-sess_out", sessionFilePath},
        }
        runServerTestTLS12(t, test)

        test = &serverTest{
                name:    "Resume",
                command: []string{"openssl", "s_client", "-cipher", "AES128-SHA", "-sess_in", sessionFilePath},
        }
        runServerTestTLS12(t, test)
}

func TestResumptionDisabled(t *testing.T) {
        sessionFilePath := tempFile("")
        defer os.Remove(sessionFilePath)

        config := testConfig.Clone()

        test := &serverTest{
                name:    "IssueTicketPreDisable",
                command: []string{"openssl", "s_client", "-cipher", "AES128-SHA", "-sess_out", sessionFilePath},
                config:  config,
        }
        runServerTestTLS12(t, test)

        config.SessionTicketsDisabled = true

        test = &serverTest{
                name:    "ResumeDisabled",
                command: []string{"openssl", "s_client", "-cipher", "AES128-SHA", "-sess_in", sessionFilePath},
                config:  config,
        }
        runServerTestTLS12(t, test)

        // One needs to manually confirm that the handshake in the golden data
        // file for ResumeDisabled does not include a resumption handshake.
}

func TestFallbackSCSV(t *testing.T) {
        serverConfig := Config{
                Certificates: testConfig.Certificates,
        }
        test := &serverTest{
                name:   "FallbackSCSV",
                config: &serverConfig,
                // OpenSSL 1.0.1j is needed for the -fallback_scsv option.
                command: []string{"openssl", "s_client", "-fallback_scsv"},
                expectHandshakeErrorIncluding: "inappropriate protocol fallback",
        }
        runServerTestTLS11(t, test)
}

// clientCertificatePEM and clientKeyPEM were generated with generate_cert.go
// Thus, they have no ExtKeyUsage fields and trigger an error when verification
// is turned on.

const clientCertificatePEM = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`

const clientKeyPEM = `
-----BEGIN RSA PRIVATE KEY-----
MIICXQIBAAKBgQC6b6qGvc+/n/LvXJRgeG/oE/LRlm/N2TJuIjfOQfnKXSms4Sfa
YaLugcsQx980WJWG6T0Z5lwnc2DIjXgC9B2kmAmjGXBpPCViZiqrIiPFe4U4Ty4J
czKnvT6brcqEB+YPOv93xZ1BhQCKtpvusKQ/LUxM5kI+u1HI3UhU9AyORwIDAQAB
AoGAEJZ03q4uuMb7b26WSQsOMeDsftdatT747LGgs3pNRkMJvTb/O7/qJjxoG+Mc
qeSj0TAZXp+PXXc3ikCECAc+R8rVMfWdmp903XgO/qYtmZGCorxAHEmR80SrfMXv
PJnznLQWc8U9nphQErR+tTESg7xWEzmFcPKwnZd1xg8ERYkCQQDTGtrFczlB2b/Z
9TjNMqUlMnTLIk/a/rPE2fLLmAYhK5sHnJdvDURaH2mF4nso0EGtENnTsh6LATnY
dkrxXGm9AkEA4hXHG2q3MnhgK1Z5hjv+Fnqd+8bcbII9WW4flFs15EKoMgS1w/PJ
zbsySaSy5IVS8XeShmT9+3lrleed4sy+UwJBAJOOAbxhfXP5r4+5R6ql66jES75w
jUCVJzJA5ORJrn8g64u2eGK28z/LFQbv9wXgCwfc72R468BdawFSLa/m2EECQGbZ
rWiFla26IVXV0xcD98VWJsTBZMlgPnSOqoMdM1kSEd4fUmlAYI/dFzV1XYSkOmVr
FhdZnklmpVDeu27P4c0CQQCuCOup0FlJSBpWY1TTfun/KMBkBatMz0VMA3d7FKIU
csPezl677Yjo8u1r/KzeI6zLg87Z8E6r6ZWNc9wBSZK6
-----END RSA PRIVATE KEY-----`

const clientECDSACertificatePEM = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`

const clientECDSAKeyPEM = `
-----BEGIN EC PARAMETERS-----
BgUrgQQAIw==
-----END EC PARAMETERS-----
-----BEGIN EC PRIVATE KEY-----
MIHcAgEBBEIBkJN9X4IqZIguiEVKMqeBUP5xtRsEv4HJEtOpOGLELwO53SD78Ew8
k+wLWoqizS3NpQyMtrU8JFdWfj+C57UNkOugBwYFK4EEACOhgYkDgYYABACVjJF1
FMBexFe01MNvja5oHt1vzobhfm6ySD6B5U7ixohLZNz1MLvT/2XMW/TdtWo+PtAd
3kfDdq0Z9kUsjLzYHQFMH3CQRnZIi4+DzEpcj0B22uCJ7B0rxE4wdihBsmKo+1vx
+U56jb0JuK7qixgnTy5w/hOWusPTQBbNZU6sER7m8Q==
-----END EC PRIVATE KEY-----`

func TestClientAuth(t *testing.T) {
        setParallel(t)
        var certPath, keyPath, ecdsaCertPath, ecdsaKeyPath string

        if *update {
                certPath = tempFile(clientCertificatePEM)
                defer os.Remove(certPath)
                keyPath = tempFile(clientKeyPEM)
                defer os.Remove(keyPath)
                ecdsaCertPath = tempFile(clientECDSACertificatePEM)
                defer os.Remove(ecdsaCertPath)
                ecdsaKeyPath = tempFile(clientECDSAKeyPEM)
                defer os.Remove(ecdsaKeyPath)
        }

        config := testConfig.Clone()
        config.ClientAuth = RequestClientCert

        test := &serverTest{
                name:    "ClientAuthRequestedNotGiven",
                command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "AES128-SHA"},
                config:  config,
        }
        runServerTestTLS12(t, test)

        test = &serverTest{
                name:              "ClientAuthRequestedAndGiven",
                command:           []string{"openssl", "s_client", "-no_ticket", "-cipher", "AES128-SHA", "-cert", certPath, "-key", keyPath},
                config:            config,
                expectedPeerCerts: []string{clientCertificatePEM},
        }
        runServerTestTLS12(t, test)

        test = &serverTest{
                name:              "ClientAuthRequestedAndECDSAGiven",
                command:           []string{"openssl", "s_client", "-no_ticket", "-cipher", "AES128-SHA", "-cert", ecdsaCertPath, "-key", ecdsaKeyPath},
                config:            config,
                expectedPeerCerts: []string{clientECDSACertificatePEM},
        }
        runServerTestTLS12(t, test)
}

func TestSNIGivenOnFailure(t *testing.T) {
        const expectedServerName = "test.testing"

        clientHello := &clientHelloMsg{
                vers:               VersionTLS10,
                cipherSuites:       []uint16{TLS_RSA_WITH_RC4_128_SHA},
                compressionMethods: []uint8{compressionNone},
                serverName:         expectedServerName,
        }

        serverConfig := testConfig.Clone()
        // Erase the server's cipher suites to ensure the handshake fails.
        serverConfig.CipherSuites = nil

        c, s := net.Pipe()
        go func() {
                cli := Client(c, testConfig)
                cli.vers = clientHello.vers
                cli.writeRecord(recordTypeHandshake, clientHello.marshal())
                c.Close()
        }()
        hs := serverHandshakeState{
                c: Server(s, serverConfig),
        }
        _, err := hs.readClientHello()
        defer s.Close()

        if err == nil {
                t.Error("No error reported from server")
        }

        cs := hs.c.ConnectionState()
        if cs.HandshakeComplete {
                t.Error("Handshake registered as complete")
        }

        if cs.ServerName != expectedServerName {
                t.Errorf("Expected ServerName of %q, but got %q", expectedServerName, cs.ServerName)
        }
}

var getConfigForClientTests = []struct {
        setup          func(config *Config)
        callback       func(clientHello *ClientHelloInfo) (*Config, error)
        errorSubstring string
        verify         func(config *Config) error
}{
        {
                nil,
                func(clientHello *ClientHelloInfo) (*Config, error) {
                        return nil, nil
                },
                "",
                nil,
        },
        {
                nil,
                func(clientHello *ClientHelloInfo) (*Config, error) {
                        return nil, errors.New("should bubble up")
                },
                "should bubble up",
                nil,
        },
        {
                nil,
                func(clientHello *ClientHelloInfo) (*Config, error) {
                        config := testConfig.Clone()
                        // Setting a maximum version of TLS 1.1 should cause
                        // the handshake to fail.
                        config.MaxVersion = VersionTLS11
                        return config, nil
                },
                "version 301 when expecting version 302",
                nil,
        },
        {
                func(config *Config) {
                        for i := range config.SessionTicketKey {
                                config.SessionTicketKey[i] = byte(i)
                        }
                        config.sessionTicketKeys = nil
                },
                func(clientHello *ClientHelloInfo) (*Config, error) {
                        config := testConfig.Clone()
                        for i := range config.SessionTicketKey {
                                config.SessionTicketKey[i] = 0
                        }
                        config.sessionTicketKeys = nil
                        return config, nil
                },
                "",
                func(config *Config) error {
                        // The value of SessionTicketKey should have been
                        // duplicated into the per-connection Config.
                        for i := range config.SessionTicketKey {
                                if b := config.SessionTicketKey[i]; b != byte(i) {
                                        return fmt.Errorf("SessionTicketKey was not duplicated from original Config: byte %d has value %d", i, b)
                                }
                        }
                        return nil
                },
        },
        {
                func(config *Config) {
                        var dummyKey [32]byte
                        for i := range dummyKey {
                                dummyKey[i] = byte(i)
                        }

                        config.SetSessionTicketKeys([][32]byte{dummyKey})
                },
                func(clientHello *ClientHelloInfo) (*Config, error) {
                        config := testConfig.Clone()
                        config.sessionTicketKeys = nil
                        return config, nil
                },
                "",
                func(config *Config) error {
                        // The session ticket keys should have been duplicated
                        // into the per-connection Config.
                        if l := len(config.sessionTicketKeys); l != 1 {
                                return fmt.Errorf("got len(sessionTicketKeys) == %d, wanted 1", l)
                        }
                        return nil
                },
        },
}

func TestGetConfigForClient(t *testing.T) {
        serverConfig := testConfig.Clone()
        clientConfig := testConfig.Clone()
        clientConfig.MinVersion = VersionTLS12

        for i, test := range getConfigForClientTests {
                if test.setup != nil {
                        test.setup(serverConfig)
                }

                var configReturned *Config
                serverConfig.GetConfigForClient = func(clientHello *ClientHelloInfo) (*Config, error) {
                        config, err := test.callback(clientHello)
                        configReturned = config
                        return config, err
                }
                c, s := net.Pipe()
                done := make(chan error)

                go func() {
                        defer s.Close()
                        done <- Server(s, serverConfig).Handshake()
                }()

                clientErr := Client(c, clientConfig).Handshake()
                c.Close()

                serverErr := <-done

                if len(test.errorSubstring) == 0 {
                        if serverErr != nil || clientErr != nil {
                                t.Errorf("test[%d]: expected no error but got serverErr: %q, clientErr: %q", i, serverErr, clientErr)
                        }
                        if test.verify != nil {
                                if err := test.verify(configReturned); err != nil {
                                        t.Errorf("test[%d]: verify returned error: %v", i, err)
                                }
                        }
                } else {
                        if serverErr == nil {
                                t.Errorf("test[%d]: expected error containing %q but got no error", i, test.errorSubstring)
                        } else if !strings.Contains(serverErr.Error(), test.errorSubstring) {
                                t.Errorf("test[%d]: expected error to contain %q but it was %q", i, test.errorSubstring, serverErr)
                        }
                }
        }
}

func bigFromString(s string) *big.Int {
        ret := new(big.Int)
        ret.SetString(s, 10)
        return ret
}

func fromHex(s string) []byte {
        b, _ := hex.DecodeString(s)
        return b
}

var testRSACertificate = fromHex("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")

var testRSACertificateIssuer = fromHex("3082021930820182a003020102020900ca5e4e811a965964300d06092a864886f70d01010b0500301f310b3009060355040a1302476f3110300e06035504031307476f20526f6f74301e170d3136303130313030303030305a170d3235303130313030303030305a301f310b3009060355040a1302476f3110300e06035504031307476f20526f6f7430819f300d06092a864886f70d010101050003818d0030818902818100d667b378bb22f34143b6cd2008236abefaf2852adf3ab05e01329e2c14834f5105df3f3073f99dab5442d45ee5f8f57b0111c8cb682fbb719a86944eebfffef3406206d898b8c1b1887797c9c5006547bb8f00e694b7a063f10839f269f2c34fff7a1f4b21fbcd6bfdfb13ac792d1d11f277b5c5b48600992203059f2a8f8cc50203010001a35d305b300e0603551d0f0101ff040403020204301d0603551d250416301406082b0601050507030106082b06010505070302300f0603551d130101ff040530030101ff30190603551d0e041204104813494d137e1631bba301d5acab6e7b300d06092a864886f70d01010b050003818100c1154b4bab5266221f293766ae4138899bd4c5e36b13cee670ceeaa4cbdf4f6679017e2fe649765af545749fe4249418a56bd38a04b81e261f5ce86b8d5c65413156a50d12449554748c59a30c515bc36a59d38bddf51173e899820b282e40aa78c806526fd184fb6b4cf186ec728edffa585440d2b3225325f7ab580e87dd76")

var testECDSACertificate = fromHex("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")

var testSNICertificate = fromHex("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")

var testRSAPrivateKey = &rsa.PrivateKey{
        PublicKey: rsa.PublicKey{
                N: bigFromString("153980389784927331788354528594524332344709972855165340650588877572729725338415474372475094155672066328274535240275856844648695200875763869073572078279316458648124537905600131008790701752441155668003033945258023841165089852359980273279085783159654751552359397986180318708491098942831252291841441726305535546071"),
                E: 65537,
        },
        D: bigFromString("7746362285745539358014631136245887418412633787074173796862711588221766398229333338511838891484974940633857861775630560092874987828057333663969469797013996401149696897591265769095952887917296740109742927689053276850469671231961384712725169432413343763989564437170644270643461665184965150423819594083121075825"),
        Primes: []*big.Int{
                bigFromString("13299275414352936908236095374926261633419699590839189494995965049151460173257838079863316944311313904000258169883815802963543635820059341150014695560313417"),
                bigFromString("11578103692682951732111718237224894755352163854919244905974423810539077224889290605729035287537520656160688625383765857517518932447378594964220731750802463"),
        },
}

var testECDSAPrivateKey = &ecdsa.PrivateKey{
        PublicKey: ecdsa.PublicKey{
                Curve: elliptic.P521(),
                X:     bigFromString("2636411247892461147287360222306590634450676461695221912739908880441342231985950069527906976759812296359387337367668045707086543273113073382714101597903639351"),
                Y:     bigFromString("3204695818431246682253994090650952614555094516658732116404513121125038617915183037601737180082382202488628239201196033284060130040574800684774115478859677243"),
        },
        D: bigFromString("5477294338614160138026852784385529180817726002953041720191098180813046231640184669647735805135001309477695746518160084669446643325196003346204701381388769751"),
}