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// 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"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rsa"
"crypto/x509"
"encoding/hex"
"encoding/pem"
"errors"
"fmt"
"io"
"io/ioutil"
"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: VersionTLS13,
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()
if keyFile := os.Getenv("SSLKEYLOGFILE"); keyFile != "" {
f, err := os.OpenFile(keyFile, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
panic("failed to open SSLKEYLOGFILE: " + err.Error())
}
testConfig.KeyLogWriter = f
}
}
func testClientHello(t *testing.T, serverConfig *Config, m handshakeMessage) {
testClientHelloFailure(t, serverConfig, m, "")
}
func testClientHelloFailure(t *testing.T, serverConfig *Config, m handshakeMessage, expectedSubStr string) {
c, s := localPipe(t)
go func() {
cli := Client(c, testConfig)
if ch, ok := m.(*clientHelloMsg); ok {
cli.vers = ch.vers
}
cli.writeRecord(recordTypeHandshake, m.marshal())
c.Close()
}()
conn := Server(s, serverConfig)
ch, err := conn.readClientHello()
hs := serverHandshakeState{
c: conn,
clientHello: ch,
}
if err == nil {
err = hs.processClientHello()
}
if err == nil {
err = hs.pickCipherSuite()
}
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: %v; 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,
random: make([]byte, 32),
}, "unsupported versions")
}
testClientHelloFailure(t, testConfig, &clientHelloMsg{
vers: VersionTLS12,
supportedVersions: badProtocolVersions,
random: make([]byte, 32),
}, "unsupported versions")
}
func TestNoSuiteOverlap(t *testing.T) {
clientHello := &clientHelloMsg{
vers: VersionTLS10,
random: make([]byte, 32),
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,
random: make([]byte, 32),
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,
random: make([]byte, 32),
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,
random: make([]byte, 32),
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,
random: make([]byte, 32),
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,
random: make([]byte, 32),
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},
}
bufChan := make(chan []byte)
c, s := localPipe(t)
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
}
c.Close()
bufChan <- buf[:n]
}()
Server(s, testConfig).Handshake()
buf := <-bufChan
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.
clientHello := &clientHelloMsg{
vers: VersionTLS11,
random: make([]byte, 32),
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 := localPipe(t)
replyChan := make(chan interface{})
go func() {
cli := Client(c, testConfig)
cli.vers = clientHello.vers
cli.writeRecord(recordTypeHandshake, clientHello.marshal())
reply, err := cli.readHandshake()
c.Close()
if err != nil {
replyChan <- err
} else {
replyChan <- reply
}
}()
config := testConfig.Clone()
config.CipherSuites = clientHello.cipherSuites
Server(s, config).Handshake()
s.Close()
reply := <-replyChan
if err, ok := reply.(error); ok {
t.Fatal(err)
}
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 := localPipe(t)
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 := localPipe(t)
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(t *testing.T, clientConfig, serverConfig *Config) (serverState, clientState ConnectionState, err error) {
c, s := localPipe(t)
errChan := make(chan error)
go func() {
cli := Client(c, clientConfig)
err := cli.Handshake()
if err != nil {
errChan <- fmt.Errorf("client: %v", err)
c.Close()
return
}
defer cli.Close()
clientState = cli.ConnectionState()
buf, err := ioutil.ReadAll(cli)
if err != nil {
t.Errorf("failed to call cli.Read: %v", err)
}
if got := string(buf); got != opensslSentinel {
t.Errorf("read %q from TLS connection, but expected %q", got, opensslSentinel)
}
errChan <- nil
}()
server := Server(s, serverConfig)
err = server.Handshake()
if err == nil {
serverState = server.ConnectionState()
if _, err := io.WriteString(server, opensslSentinel); err != nil {
t.Errorf("failed to call server.Write: %v", err)
}
if err := server.Close(); err != nil {
t.Errorf("failed to call server.Close: %v", err)
}
err = <-errChan
} else {
s.Close()
<-errChan
}
return
}
func TestVersion(t *testing.T) {
serverConfig := &Config{
Certificates: testConfig.Certificates,
MaxVersion: VersionTLS11,
}
clientConfig := &Config{
InsecureSkipVerify: true,
}
state, _, err := testHandshake(t, 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(t, 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(t, 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) {
t.Run("TLSv12", func(t *testing.T) { testSCTHandshake(t, VersionTLS12) })
t.Run("TLSv13", func(t *testing.T) { testSCTHandshake(t, VersionTLS13) })
}
func testSCTHandshake(t *testing.T, version uint16) {
expected := [][]byte{[]byte("certificate"), []byte("transparency")}
serverConfig := &Config{
Certificates: []Certificate{{
Certificate: [][]byte{testRSACertificate},
PrivateKey: testRSAPrivateKey,
SignedCertificateTimestamps: expected,
}},
MaxVersion: version,
}
clientConfig := &Config{
InsecureSkipVerify: true,
}
_, state, err := testHandshake(t, 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) {
t.Run("TLSv12", func(t *testing.T) { testCrossVersionResume(t, VersionTLS12) })
t.Run("TLSv13", func(t *testing.T) { testCrossVersionResume(t, VersionTLS13) })
}
func testCrossVersionResume(t *testing.T, version uint16) {
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(t, 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(t, 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(t, 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(t, 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(t, 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
// wait, if true, prevents this subtest from calling t.Parallel.
// If false, runServerTest* returns immediately.
wait bool
}
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):
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
defer func() {
if t.Failed() {
t.Logf("OpenSSL output:\n\n%s", childProcess.Stdout)
}
}()
} else {
clientConn, serverConn = localPipe(t)
}
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.SetWriteDeadline(time.Now().Add(1 * time.Minute))
clientConn.Write(b)
continue
}
bb := make([]byte, len(b))
clientConn.SetReadDeadline(time.Now().Add(1 * time.Minute))
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 {
if len(test.expectHandshakeErrorIncluding) == 0 {
t.Fatalf("Handshake failed")
}
}
recordingConn.WriteTo(out)
t.Logf("Wrote %s\n", path)
childProcess.Wait()
}
}
func runServerTestForVersion(t *testing.T, template *serverTest, version, option string) {
t.Run(version, func(t *testing.T) {
// Make a deep copy of the template before going parallel.
test := *template
if template.config != nil {
test.config = template.config.Clone()
}
if !*update && !template.wait {
t.Parallel()
}
test.name = version + "-" + 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 runServerTestTLS13(t *testing.T, template *serverTest) {
runServerTestForVersion(t, template, "TLSv13", "-tls1_3")
}
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 TestHandshakeServerAES128SHA256(t *testing.T) {
test := &serverTest{
name: "AES128-SHA256",
command: []string{"openssl", "s_client", "-no_ticket", "-ciphersuites", "TLS_AES_128_GCM_SHA256"},
}
runServerTestTLS13(t, test)
}
func TestHandshakeServerAES256SHA384(t *testing.T) {
test := &serverTest{
name: "AES256-SHA384",
command: []string{"openssl", "s_client", "-no_ticket", "-ciphersuites", "TLS_AES_256_GCM_SHA384"},
}
runServerTestTLS13(t, test)
}
func TestHandshakeServerCHACHA20SHA256(t *testing.T) {
test := &serverTest{
name: "CHACHA20-SHA256",
command: []string{"openssl", "s_client", "-no_ticket", "-ciphersuites", "TLS_CHACHA20_POLY1305_SHA256"},
}
runServerTestTLS13(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", "-ciphersuites", "TLS_AES_128_GCM_SHA256"},
config: config,
}
runServerTestTLS10(t, test)
runServerTestTLS12(t, test)
runServerTestTLS13(t, test)
}
func TestHandshakeServerX25519(t *testing.T) {
config := testConfig.Clone()
config.CurvePreferences = []CurveID{X25519}
test := &serverTest{
name: "X25519",
command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "ECDHE-RSA-AES128-GCM-SHA256", "-curves", "X25519"},
config: config,
}
runServerTestTLS12(t, test)
runServerTestTLS13(t, test)
}
func TestHandshakeServerP256(t *testing.T) {
config := testConfig.Clone()
config.CurvePreferences = []CurveID{CurveP256}
test := &serverTest{
name: "P256",
command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "ECDHE-RSA-AES128-GCM-SHA256", "-curves", "P-256"},
config: config,
}
runServerTestTLS12(t, test)
runServerTestTLS13(t, test)
}
func TestHandshakeServerHelloRetryRequest(t *testing.T) {
config := testConfig.Clone()
config.CurvePreferences = []CurveID{CurveP256}
test := &serverTest{
name: "HelloRetryRequest",
command: []string{"openssl", "s_client", "-no_ticket", "-curves", "X25519:P-256"},
config: config,
}
runServerTestTLS13(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)
runServerTestTLS13(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)
runServerTestTLS13(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,
random: make([]byte, 32),
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,
random: make([]byte, 32),
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,
random: make([]byte, 32),
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 TestServerResumption(t *testing.T) {
sessionFilePath := tempFile("")
defer os.Remove(sessionFilePath)
testIssue := &serverTest{
name: "IssueTicket",
command: []string{"openssl", "s_client", "-cipher", "AES128-SHA", "-sess_out", sessionFilePath},
wait: true,
}
testResume := &serverTest{
name: "Resume",
command: []string{"openssl", "s_client", "-cipher", "AES128-SHA", "-sess_in", sessionFilePath},
validate: func(state ConnectionState) error {
if !state.DidResume {
return errors.New("did not resume")
}
return nil
},
}
runServerTestTLS12(t, testIssue)
runServerTestTLS12(t, testResume)
runServerTestTLS13(t, testIssue)
runServerTestTLS13(t, testResume)
config := testConfig.Clone()
config.CurvePreferences = []CurveID{CurveP256}
testResumeHRR := &serverTest{
name: "Resume-HelloRetryRequest",
command: []string{"openssl", "s_client", "-curves", "X25519:P-256", "-sess_in", sessionFilePath},
config: config,
validate: func(state ConnectionState) error {
if !state.DidResume {
return errors.New("did not resume")
}
return nil
},
}
runServerTestTLS13(t, testResumeHRR)
}
func TestServerResumptionDisabled(t *testing.T) {
sessionFilePath := tempFile("")
defer os.Remove(sessionFilePath)
config := testConfig.Clone()
testIssue := &serverTest{
name: "IssueTicketPreDisable",
command: []string{"openssl", "s_client", "-cipher", "AES128-SHA", "-sess_out", sessionFilePath},
config: config,
wait: true,
}
testResume := &serverTest{
name: "ResumeDisabled",
command: []string{"openssl", "s_client", "-cipher", "AES128-SHA", "-sess_in", sessionFilePath},
config: config,
validate: func(state ConnectionState) error {
if state.DidResume {
return errors.New("resumed with SessionTicketsDisabled")
}
return nil
},
}
config.SessionTicketsDisabled = false
runServerTestTLS12(t, testIssue)
config.SessionTicketsDisabled = true
runServerTestTLS12(t, testResume)
config.SessionTicketsDisabled = false
runServerTestTLS13(t, testIssue)
config.SessionTicketsDisabled = true
runServerTestTLS13(t, testResume)
}
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)
}
func TestHandshakeServerExportKeyingMaterial(t *testing.T) {
test := &serverTest{
name: "ExportKeyingMaterial",
command: []string{"openssl", "s_client"},
config: testConfig.Clone(),
validate: func(state ConnectionState) error {
if km, err := state.ExportKeyingMaterial("test", nil, 42); err != nil {
return fmt.Errorf("ExportKeyingMaterial failed: %v", err)
} else if len(km) != 42 {
return fmt.Errorf("Got %d bytes from ExportKeyingMaterial, wanted %d", len(km), 42)
}
return nil
},
}
runServerTestTLS10(t, test)
runServerTestTLS12(t, test)
runServerTestTLS13(t, test)
}
func TestHandshakeServerRSAPKCS1v15(t *testing.T) {
test := &serverTest{
name: "RSA-RSAPKCS1v15",
command: []string{"openssl", "s_client", "-no_ticket", "-sigalgs", "rsa_pkcs1_sha256"},
}
runServerTestTLS12(t, test)
}
func TestHandshakeServerRSAPSS(t *testing.T) {
test := &serverTest{
name: "RSA-RSAPSS",
command: []string{"openssl", "s_client", "-no_ticket", "-sigalgs", "rsa_pss_rsae_sha256"},
}
runServerTestTLS12(t, test)
runServerTestTLS13(t, test)
}
func TestHandshakeServerPSSDisabled(t *testing.T) {
test := &serverTest{
name: "RSA-PSS-Disabled",
command: []string{"openssl", "s_client", "-no_ticket"},
wait: true,
}
// Restore the default signature algorithms, disabling RSA-PSS in TLS 1.2,
// and check that handshakes still work.
testSupportedSignatureAlgorithmsTLS12 := supportedSignatureAlgorithmsTLS12
defer func() { supportedSignatureAlgorithmsTLS12 = testSupportedSignatureAlgorithmsTLS12 }()
supportedSignatureAlgorithmsTLS12 = savedSupportedSignatureAlgorithmsTLS12
runServerTestTLS12(t, test)
runServerTestTLS13(t, test)
test = &serverTest{
name: "RSA-PSS-Disabled-Required",
command: []string{"openssl", "s_client", "-no_ticket", "-sigalgs", "rsa_pss_rsae_sha256"},
wait: true,
expectHandshakeErrorIncluding: "peer doesn't support any common signature algorithms",
}
runServerTestTLS12(t, test)
}
func benchmarkHandshakeServer(b *testing.B, version uint16, cipherSuite uint16, curve CurveID, cert []byte, key crypto.PrivateKey) {
config := testConfig.Clone()
config.CipherSuites = []uint16{cipherSuite}
config.CurvePreferences = []CurveID{curve}
config.Certificates = make([]Certificate, 1)
config.Certificates[0].Certificate = [][]byte{cert}
config.Certificates[0].PrivateKey = key
config.BuildNameToCertificate()
clientConn, serverConn := localPipe(b)
serverConn = &recordingConn{Conn: serverConn}
go func() {
config := testConfig.Clone()
config.MaxVersion = version
config.CurvePreferences = []CurveID{curve}
client := Client(clientConn, config)
client.Handshake()
}()
server := Server(serverConn, config)
if err := server.Handshake(); err != nil {
b.Fatalf("handshake failed: %v", err)
}
serverConn.Close()
flows := serverConn.(*recordingConn).flows
feeder := make(chan struct{})
clientConn, serverConn = localPipe(b)
go func() {
for range feeder {
for i, f := range flows {
if i%2 == 0 {
clientConn.Write(f)
continue
}
ff := make([]byte, len(f))
n, err := io.ReadFull(clientConn, ff)
if err != nil {
b.Errorf("#%d: %s\nRead %d, wanted %d, got %x, wanted %x\n", i+1, err, n, len(ff), ff[:n], f)
}
if !bytes.Equal(f, ff) {
b.Errorf("#%d: mismatch on read: got:%x want:%x", i+1, ff, f)
}
}
}
}()
b.ResetTimer()
for i := 0; i < b.N; i++ {
feeder <- struct{}{}
server := Server(serverConn, config)
if err := server.Handshake(); err != nil {
b.Fatalf("handshake failed: %v", err)
}
}
close(feeder)
}
func BenchmarkHandshakeServer(b *testing.B) {
b.Run("RSA", func(b *testing.B) {
benchmarkHandshakeServer(b, VersionTLS12, TLS_RSA_WITH_AES_128_GCM_SHA256,
0, testRSACertificate, testRSAPrivateKey)
})
b.Run("ECDHE-P256-RSA", func(b *testing.B) {
b.Run("TLSv13", func(b *testing.B) {
benchmarkHandshakeServer(b, VersionTLS13, TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
CurveP256, testRSACertificate, testRSAPrivateKey)
})
b.Run("TLSv12", func(b *testing.B) {
benchmarkHandshakeServer(b, VersionTLS12, TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
CurveP256, testRSACertificate, testRSAPrivateKey)
})
})
b.Run("ECDHE-P256-ECDSA-P256", func(b *testing.B) {
b.Run("TLSv13", func(b *testing.B) {
benchmarkHandshakeServer(b, VersionTLS13, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
CurveP256, testP256Certificate, testP256PrivateKey)
})
b.Run("TLSv12", func(b *testing.B) {
benchmarkHandshakeServer(b, VersionTLS12, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
CurveP256, testP256Certificate, testP256PrivateKey)
})
})
b.Run("ECDHE-X25519-ECDSA-P256", func(b *testing.B) {
b.Run("TLSv13", func(b *testing.B) {
benchmarkHandshakeServer(b, VersionTLS13, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
X25519, testP256Certificate, testP256PrivateKey)
})
b.Run("TLSv12", func(b *testing.B) {
benchmarkHandshakeServer(b, VersionTLS12, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
X25519, testP256Certificate, testP256PrivateKey)
})
})
b.Run("ECDHE-P521-ECDSA-P521", func(b *testing.B) {
if testECDSAPrivateKey.PublicKey.Curve != elliptic.P521() {
b.Fatal("test ECDSA key doesn't use curve P-521")
}
b.Run("TLSv13", func(b *testing.B) {
benchmarkHandshakeServer(b, VersionTLS13, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
CurveP521, testECDSACertificate, testECDSAPrivateKey)
})
b.Run("TLSv12", func(b *testing.B) {
benchmarkHandshakeServer(b, VersionTLS12, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
CurveP521, testECDSACertificate, testECDSAPrivateKey)
})
})
}
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) {
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)
}
t.Run("Normal", func(t *testing.T) {
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)
runServerTestTLS13(t, test)
config.ClientAuth = RequireAnyClientCert
test = &serverTest{
name: "ClientAuthRequestedAndGiven",
command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "AES128-SHA",
"-cert", certPath, "-key", keyPath, "-sigalgs", "rsa_pss_rsae_sha256"},
config: config,
expectedPeerCerts: []string{clientCertificatePEM},
}
runServerTestTLS12(t, test)
runServerTestTLS13(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)
runServerTestTLS13(t, test)
test = &serverTest{
name: "ClientAuthRequestedAndPKCS1v15Given",
command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "AES128-SHA",
"-cert", certPath, "-key", keyPath, "-sigalgs", "rsa_pkcs1_sha256"},
config: config,
expectedPeerCerts: []string{clientCertificatePEM},
}
runServerTestTLS12(t, test)
})
// Restore the default signature algorithms, disabling RSA-PSS in TLS 1.2,
// and check that handshakes still work.
testSupportedSignatureAlgorithmsTLS12 := supportedSignatureAlgorithmsTLS12
defer func() { supportedSignatureAlgorithmsTLS12 = testSupportedSignatureAlgorithmsTLS12 }()
supportedSignatureAlgorithmsTLS12 = savedSupportedSignatureAlgorithmsTLS12
t.Run("PSSDisabled", func(t *testing.T) {
config := testConfig.Clone()
config.ClientAuth = RequireAnyClientCert
test := &serverTest{
name: "ClientAuthRequestedAndGiven-PSS-Disabled",
command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "AES128-SHA",
"-cert", certPath, "-key", keyPath},
config: config,
expectedPeerCerts: []string{clientCertificatePEM},
}
runServerTestTLS12(t, test)
runServerTestTLS13(t, test)
test = &serverTest{
name: "ClientAuthRequestedAndGiven-PSS-Disabled-Required",
command: []string{"openssl", "s_client", "-no_ticket", "-cipher", "AES128-SHA",
"-cert", certPath, "-key", keyPath, "-client_sigalgs", "rsa_pss_rsae_sha256"},
config: config,
expectHandshakeErrorIncluding: "client didn't provide a certificate",
}
runServerTestTLS12(t, test)
})
}
func TestSNIGivenOnFailure(t *testing.T) {
const expectedServerName = "test.testing"
clientHello := &clientHelloMsg{
vers: VersionTLS10,
random: make([]byte, 32),
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 := localPipe(t)
go func() {
cli := Client(c, testConfig)
cli.vers = clientHello.vers
cli.writeRecord(recordTypeHandshake, clientHello.marshal())
c.Close()
}()
conn := Server(s, serverConfig)
ch, err := conn.readClientHello()
hs := serverHandshakeState{
c: conn,
clientHello: ch,
}
if err == nil {
err = hs.processClientHello()
}
if err == nil {
err = hs.pickCipherSuite()
}
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, as the client MinVersion is TLS 1.2.
config.MaxVersion = VersionTLS11
return config, nil
},
"client offered only unsupported versions",
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 := localPipe(t)
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("3082024b308201b4a003020102020900e8f09d3fe25beaa6300d06092a864886f70d01010b0500301f310b3009060355040a1302476f3110300e06035504031307476f20526f6f74301e170d3136303130313030303030305a170d3235303130313030303030305a301a310b3009060355040a1302476f310b300906035504031302476f30819f300d06092a864886f70d010101050003818d0030818902818100db467d932e12270648bc062821ab7ec4b6a25dfe1e5245887a3647a5080d92425bc281c0be97799840fb4f6d14fd2b138bc2a52e67d8d4099ed62238b74a0b74732bc234f1d193e596d9747bf3589f6c613cc0b041d4d92b2b2423775b1c3bbd755dce2054cfa163871d1e24c4f31d1a508baab61443ed97a77562f414c852d70203010001a38193308190300e0603551d0f0101ff0404030205a0301d0603551d250416301406082b0601050507030106082b06010505070302300c0603551d130101ff0402300030190603551d0e041204109f91161f43433e49a6de6db680d79f60301b0603551d230414301280104813494d137e1631bba301d5acab6e7b30190603551d1104123010820e6578616d706c652e676f6c616e67300d06092a864886f70d01010b0500038181009d30cc402b5b50a061cbbae55358e1ed8328a9581aa938a495a1ac315a1a84663d43d32dd90bf297dfd320643892243a00bccf9c7db74020015faad3166109a276fd13c3cce10c5ceeb18782f16c04ed73bbb343778d0c1cf10fa1d8408361c94c722b9daedb4606064df4c1b33ec0d1bd42d4dbfe3d1360845c21d33be9fae7")
var testRSACertificateIssuer = fromHex("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")
// testRSAPSSCertificate has signatureAlgorithm rsassaPss, and subjectPublicKeyInfo
// algorithm rsaEncryption, for use with the rsa_pss_rsae_* SignatureSchemes.
// See also TestRSAPSSKeyError. testRSAPSSCertificate is self-signed.
var testRSAPSSCertificate = fromHex("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")
var testECDSACertificate = fromHex("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")
var testSNICertificate = fromHex("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")
var testP256Certificate = 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"),
}
var testP256PrivateKey, _ = x509.ParseECPrivateKey(fromHex("30770201010420012f3b52bc54c36ba3577ad45034e2e8efe1e6999851284cb848725cfe029991a00a06082a8648ce3d030107a14403420004c02c61c9b16283bbcc14956d886d79b358aa614596975f78cece787146abf74c2d5dc578c0992b4f3c631373479ebf3892efe53d21c4f4f1cc9a11c3536b7f75"))
func TestCloseServerConnectionOnIdleClient(t *testing.T) {
clientConn, serverConn := localPipe(t)
server := Server(serverConn, testConfig.Clone())
go func() {
clientConn.Write([]byte{'0'})
server.Close()
}()
server.SetReadDeadline(time.Now().Add(time.Minute))
err := server.Handshake()
if err != nil {
if err, ok := err.(net.Error); ok && err.Timeout() {
t.Errorf("Expected a closed network connection error but got '%s'", err.Error())
}
} else {
t.Errorf("Error expected, but no error returned")
}
}
func TestCloneHash(t *testing.T) {
h1 := crypto.SHA256.New()
h1.Write([]byte("test"))
s1 := h1.Sum(nil)
h2 := cloneHash(h1, crypto.SHA256)
s2 := h2.Sum(nil)
if !bytes.Equal(s1, s2) {
t.Error("cloned hash generated a different sum")
}
}
func TestKeyTooSmallForRSAPSS(t *testing.T) {
clientConn, serverConn := localPipe(t)
client := Client(clientConn, testConfig)
cert, err := X509KeyPair([]byte(`-----BEGIN CERTIFICATE-----
MIIBcTCCARugAwIBAgIQGjQnkCFlUqaFlt6ixyz/tDANBgkqhkiG9w0BAQsFADAS
MRAwDgYDVQQKEwdBY21lIENvMB4XDTE5MDExODIzMjMyOFoXDTIwMDExODIzMjMy
OFowEjEQMA4GA1UEChMHQWNtZSBDbzBcMA0GCSqGSIb3DQEBAQUAA0sAMEgCQQDd
ez1rFUDwax2HTxbcnFUP9AhcgEGMHVV2nn4VVEWFJB6I8C/Nkx0XyyQlrmFYBzEQ
nIPhKls4T0hFoLvjJnXpAgMBAAGjTTBLMA4GA1UdDwEB/wQEAwIFoDATBgNVHSUE
DDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBYGA1UdEQQPMA2CC2V4YW1wbGUu
Y29tMA0GCSqGSIb3DQEBCwUAA0EAxDuUS+BrrS3c+h+k+fQPOmOScy6yTX9mHw0Q
KbucGamXYEy0URIwOdO0tQ3LHPc1YGvYSPwkDjkjqECs2Vm/AA==
-----END CERTIFICATE-----`), []byte(`-----BEGIN RSA PRIVATE KEY-----
MIIBOgIBAAJBAN17PWsVQPBrHYdPFtycVQ/0CFyAQYwdVXaefhVURYUkHojwL82T
HRfLJCWuYVgHMRCcg+EqWzhPSEWgu+MmdekCAwEAAQJBALjQYNTdXF4CFBbXwUz/
yt9QFDYT9B5WT/12jeGAe653gtYS6OOi/+eAkGmzg1GlRnw6fOfn+HYNFDORST7z
4j0CIQDn2xz9hVWQEu9ee3vecNT3f60huDGTNoRhtqgweQGX0wIhAPSLj1VcRZEz
nKpbtU22+PbIMSJ+e80fmY9LIPx5N4HTAiAthGSimMR9bloz0EY3GyuUEyqoDgMd
hXxjuno2WesoJQIgemilbcALXpxsLmZLgcQ2KSmaVr7jb5ECx9R+hYKTw1sCIG4s
T+E0J8wlH24pgwQHzy7Ko2qLwn1b5PW8ecrlvP1g
-----END RSA PRIVATE KEY-----`))
if err != nil {
t.Fatal(err)
}
done := make(chan struct{})
go func() {
config := testConfig.Clone()
config.Certificates = []Certificate{cert}
config.MinVersion = VersionTLS13
server := Server(serverConn, config)
err := server.Handshake()
if !strings.Contains(err.Error(), "key size too small for PSS signature") {
t.Errorf(`expected "key size too small for PSS signature", got %q`, err)
}
close(done)
}()
err = client.Handshake()
if !strings.Contains(err.Error(), "handshake failure") {
t.Errorf(`expected "handshake failure", got %q`, err)
}
<-done
// With RSA-PSS disabled and TLS 1.2, this should work.
testSupportedSignatureAlgorithmsTLS12 := supportedSignatureAlgorithmsTLS12
defer func() { supportedSignatureAlgorithmsTLS12 = testSupportedSignatureAlgorithmsTLS12 }()
supportedSignatureAlgorithmsTLS12 = savedSupportedSignatureAlgorithmsTLS12
serverConfig := testConfig.Clone()
serverConfig.Certificates = []Certificate{cert}
serverConfig.MaxVersion = VersionTLS12
testHandshake(t, testConfig, serverConfig)
}