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// Copyright (c) 2016, Google Inc.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
package runner
import (
"bytes"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/x509"
"encoding/base64"
"encoding/json"
"encoding/pem"
"errors"
"flag"
"fmt"
"io"
"io/ioutil"
"math/big"
"net"
"os"
"os/exec"
"path"
"path/filepath"
"runtime"
"strconv"
"strings"
"sync"
"syscall"
"time"
)
var (
useValgrind = flag.Bool("valgrind", false, "If true, run code under valgrind")
useGDB = flag.Bool("gdb", false, "If true, run BoringSSL code under gdb")
useLLDB = flag.Bool("lldb", false, "If true, run BoringSSL code under lldb")
flagDebug = flag.Bool("debug", false, "Hexdump the contents of the connection")
mallocTest = flag.Int64("malloc-test", -1, "If non-negative, run each test with each malloc in turn failing from the given number onwards.")
mallocTestDebug = flag.Bool("malloc-test-debug", false, "If true, ask bssl_shim to abort rather than fail a malloc. This can be used with a specific value for --malloc-test to identity the malloc failing that is causing problems.")
jsonOutput = flag.String("json-output", "", "The file to output JSON results to.")
pipe = flag.Bool("pipe", false, "If true, print status output suitable for piping into another program.")
testToRun = flag.String("test", "", "The pattern to filter tests to run, or empty to run all tests")
numWorkers = flag.Int("num-workers", runtime.NumCPU(), "The number of workers to run in parallel.")
shimPath = flag.String("shim-path", "../../../build/ssl/test/bssl_shim", "The location of the shim binary.")
resourceDir = flag.String("resource-dir", ".", "The directory in which to find certificate and key files.")
fuzzer = flag.Bool("fuzzer", false, "If true, tests against a BoringSSL built in fuzzer mode.")
transcriptDir = flag.String("transcript-dir", "", "The directory in which to write transcripts.")
idleTimeout = flag.Duration("idle-timeout", 15*time.Second, "The number of seconds to wait for a read or write to bssl_shim.")
deterministic = flag.Bool("deterministic", false, "If true, uses a deterministic PRNG in the runner.")
allowUnimplemented = flag.Bool("allow-unimplemented", false, "If true, report pass even if some tests are unimplemented.")
looseErrors = flag.Bool("loose-errors", false, "If true, allow shims to report an untranslated error code.")
shimConfigFile = flag.String("shim-config", "", "A config file to use to configure the tests for this shim.")
includeDisabled = flag.Bool("include-disabled", false, "If true, also runs disabled tests.")
)
// ShimConfigurations is used with the “json” package and represents a shim
// config file.
type ShimConfiguration struct {
// DisabledTests maps from a glob-based pattern to a freeform string.
// The glob pattern is used to exclude tests from being run and the
// freeform string is unparsed but expected to explain why the test is
// disabled.
DisabledTests map[string]string
// ErrorMap maps from expected error strings to the correct error
// string for the shim in question. For example, it might map
// “:NO_SHARED_CIPHER:” (a BoringSSL error string) to something
// like “SSL_ERROR_NO_CYPHER_OVERLAP”.
ErrorMap map[string]string
}
var shimConfig ShimConfiguration
type testCert int
const (
testCertRSA testCert = iota
testCertRSA1024
testCertECDSAP256
testCertECDSAP384
testCertECDSAP521
)
const (
rsaCertificateFile = "cert.pem"
rsa1024CertificateFile = "rsa_1024_cert.pem"
ecdsaP256CertificateFile = "ecdsa_p256_cert.pem"
ecdsaP384CertificateFile = "ecdsa_p384_cert.pem"
ecdsaP521CertificateFile = "ecdsa_p521_cert.pem"
)
const (
rsaKeyFile = "key.pem"
rsa1024KeyFile = "rsa_1024_key.pem"
ecdsaP256KeyFile = "ecdsa_p256_key.pem"
ecdsaP384KeyFile = "ecdsa_p384_key.pem"
ecdsaP521KeyFile = "ecdsa_p521_key.pem"
channelIDKeyFile = "channel_id_key.pem"
)
var (
rsaCertificate Certificate
rsa1024Certificate Certificate
ecdsaP256Certificate Certificate
ecdsaP384Certificate Certificate
ecdsaP521Certificate Certificate
)
var testCerts = []struct {
id testCert
certFile, keyFile string
cert *Certificate
}{
{
id: testCertRSA,
certFile: rsaCertificateFile,
keyFile: rsaKeyFile,
cert: &rsaCertificate,
},
{
id: testCertRSA1024,
certFile: rsa1024CertificateFile,
keyFile: rsa1024KeyFile,
cert: &rsa1024Certificate,
},
{
id: testCertECDSAP256,
certFile: ecdsaP256CertificateFile,
keyFile: ecdsaP256KeyFile,
cert: &ecdsaP256Certificate,
},
{
id: testCertECDSAP384,
certFile: ecdsaP384CertificateFile,
keyFile: ecdsaP384KeyFile,
cert: &ecdsaP384Certificate,
},
{
id: testCertECDSAP521,
certFile: ecdsaP521CertificateFile,
keyFile: ecdsaP521KeyFile,
cert: &ecdsaP521Certificate,
},
}
var channelIDKey *ecdsa.PrivateKey
var channelIDBytes []byte
var testOCSPResponse = []byte{1, 2, 3, 4}
var testSCTList = []byte{5, 6, 7, 8}
func initCertificates() {
for i := range testCerts {
cert, err := LoadX509KeyPair(path.Join(*resourceDir, testCerts[i].certFile), path.Join(*resourceDir, testCerts[i].keyFile))
if err != nil {
panic(err)
}
cert.OCSPStaple = testOCSPResponse
cert.SignedCertificateTimestampList = testSCTList
*testCerts[i].cert = cert
}
channelIDPEMBlock, err := ioutil.ReadFile(path.Join(*resourceDir, channelIDKeyFile))
if err != nil {
panic(err)
}
channelIDDERBlock, _ := pem.Decode(channelIDPEMBlock)
if channelIDDERBlock.Type != "EC PRIVATE KEY" {
panic("bad key type")
}
channelIDKey, err = x509.ParseECPrivateKey(channelIDDERBlock.Bytes)
if err != nil {
panic(err)
}
if channelIDKey.Curve != elliptic.P256() {
panic("bad curve")
}
channelIDBytes = make([]byte, 64)
writeIntPadded(channelIDBytes[:32], channelIDKey.X)
writeIntPadded(channelIDBytes[32:], channelIDKey.Y)
}
func getRunnerCertificate(t testCert) Certificate {
for _, cert := range testCerts {
if cert.id == t {
return *cert.cert
}
}
panic("Unknown test certificate")
}
func getShimCertificate(t testCert) string {
for _, cert := range testCerts {
if cert.id == t {
return cert.certFile
}
}
panic("Unknown test certificate")
}
func getShimKey(t testCert) string {
for _, cert := range testCerts {
if cert.id == t {
return cert.keyFile
}
}
panic("Unknown test certificate")
}
type testType int
const (
clientTest testType = iota
serverTest
)
type protocol int
const (
tls protocol = iota
dtls
)
const (
alpn = 1
npn = 2
)
type testCase struct {
testType testType
protocol protocol
name string
config Config
shouldFail bool
expectedError string
// expectedLocalError, if not empty, contains a substring that must be
// found in the local error.
expectedLocalError string
// expectedVersion, if non-zero, specifies the TLS version that must be
// negotiated.
expectedVersion uint16
// expectedResumeVersion, if non-zero, specifies the TLS version that
// must be negotiated on resumption. If zero, expectedVersion is used.
expectedResumeVersion uint16
// expectedCipher, if non-zero, specifies the TLS cipher suite that
// should be negotiated.
expectedCipher uint16
// expectChannelID controls whether the connection should have
// negotiated a Channel ID with channelIDKey.
expectChannelID bool
// expectedNextProto controls whether the connection should
// negotiate a next protocol via NPN or ALPN.
expectedNextProto string
// expectNoNextProto, if true, means that no next protocol should be
// negotiated.
expectNoNextProto bool
// expectedNextProtoType, if non-zero, is the expected next
// protocol negotiation mechanism.
expectedNextProtoType int
// expectedSRTPProtectionProfile is the DTLS-SRTP profile that
// should be negotiated. If zero, none should be negotiated.
expectedSRTPProtectionProfile uint16
// expectedOCSPResponse, if not nil, is the expected OCSP response to be received.
expectedOCSPResponse []uint8
// expectedSCTList, if not nil, is the expected SCT list to be received.
expectedSCTList []uint8
// expectedPeerSignatureAlgorithm, if not zero, is the signature
// algorithm that the peer should have used in the handshake.
expectedPeerSignatureAlgorithm signatureAlgorithm
// expectedCurveID, if not zero, is the curve that the handshake should
// have used.
expectedCurveID CurveID
// messageLen is the length, in bytes, of the test message that will be
// sent.
messageLen int
// messageCount is the number of test messages that will be sent.
messageCount int
// certFile is the path to the certificate to use for the server.
certFile string
// keyFile is the path to the private key to use for the server.
keyFile string
// resumeSession controls whether a second connection should be tested
// which attempts to resume the first session.
resumeSession bool
// resumeRenewedSession controls whether a third connection should be
// tested which attempts to resume the second connection's session.
resumeRenewedSession bool
// expectResumeRejected, if true, specifies that the attempted
// resumption must be rejected by the client. This is only valid for a
// serverTest.
expectResumeRejected bool
// resumeConfig, if not nil, points to a Config to be used on
// resumption. Unless newSessionsOnResume is set,
// SessionTicketKey, ServerSessionCache, and
// ClientSessionCache are copied from the initial connection's
// config. If nil, the initial connection's config is used.
resumeConfig *Config
// newSessionsOnResume, if true, will cause resumeConfig to
// use a different session resumption context.
newSessionsOnResume bool
// noSessionCache, if true, will cause the server to run without a
// session cache.
noSessionCache bool
// sendPrefix sends a prefix on the socket before actually performing a
// handshake.
sendPrefix string
// shimWritesFirst controls whether the shim sends an initial "hello"
// message before doing a roundtrip with the runner.
shimWritesFirst bool
// shimShutsDown, if true, runs a test where the shim shuts down the
// connection immediately after the handshake rather than echoing
// messages from the runner.
shimShutsDown bool
// renegotiate indicates the number of times the connection should be
// renegotiated during the exchange.
renegotiate int
// sendHalfHelloRequest, if true, causes the server to send half a
// HelloRequest when the handshake completes.
sendHalfHelloRequest bool
// renegotiateCiphers is a list of ciphersuite ids that will be
// switched in just before renegotiation.
renegotiateCiphers []uint16
// replayWrites, if true, configures the underlying transport
// to replay every write it makes in DTLS tests.
replayWrites bool
// damageFirstWrite, if true, configures the underlying transport to
// damage the final byte of the first application data write.
damageFirstWrite bool
// exportKeyingMaterial, if non-zero, configures the test to exchange
// keying material and verify they match.
exportKeyingMaterial int
exportLabel string
exportContext string
useExportContext bool
// flags, if not empty, contains a list of command-line flags that will
// be passed to the shim program.
flags []string
// testTLSUnique, if true, causes the shim to send the tls-unique value
// which will be compared against the expected value.
testTLSUnique bool
// sendEmptyRecords is the number of consecutive empty records to send
// before and after the test message.
sendEmptyRecords int
// sendWarningAlerts is the number of consecutive warning alerts to send
// before and after the test message.
sendWarningAlerts int
// sendKeyUpdates is the number of consecutive key updates to send
// before and after the test message.
sendKeyUpdates int
// expectMessageDropped, if true, means the test message is expected to
// be dropped by the client rather than echoed back.
expectMessageDropped bool
}
var testCases []testCase
func writeTranscript(test *testCase, num int, data []byte) {
if len(data) == 0 {
return
}
protocol := "tls"
if test.protocol == dtls {
protocol = "dtls"
}
side := "client"
if test.testType == serverTest {
side = "server"
}
dir := path.Join(*transcriptDir, protocol, side)
if err := os.MkdirAll(dir, 0755); err != nil {
fmt.Fprintf(os.Stderr, "Error making %s: %s\n", dir, err)
return
}
name := fmt.Sprintf("%s-%d", test.name, num)
if err := ioutil.WriteFile(path.Join(dir, name), data, 0644); err != nil {
fmt.Fprintf(os.Stderr, "Error writing %s: %s\n", name, err)
}
}
// A timeoutConn implements an idle timeout on each Read and Write operation.
type timeoutConn struct {
net.Conn
timeout time.Duration
}
func (t *timeoutConn) Read(b []byte) (int, error) {
if err := t.SetReadDeadline(time.Now().Add(t.timeout)); err != nil {
return 0, err
}
return t.Conn.Read(b)
}
func (t *timeoutConn) Write(b []byte) (int, error) {
if err := t.SetWriteDeadline(time.Now().Add(t.timeout)); err != nil {
return 0, err
}
return t.Conn.Write(b)
}
func doExchange(test *testCase, config *Config, conn net.Conn, isResume bool, num int) error {
if !test.noSessionCache {
if config.ClientSessionCache == nil {
config.ClientSessionCache = NewLRUClientSessionCache(1)
}
if config.ServerSessionCache == nil {
config.ServerSessionCache = NewLRUServerSessionCache(1)
}
}
if test.testType == clientTest {
if len(config.Certificates) == 0 {
config.Certificates = []Certificate{rsaCertificate}
}
} else {
// Supply a ServerName to ensure a constant session cache key,
// rather than falling back to net.Conn.RemoteAddr.
if len(config.ServerName) == 0 {
config.ServerName = "test"
}
}
if *fuzzer {
config.Bugs.NullAllCiphers = true
}
if *deterministic {
config.Time = func() time.Time { return time.Unix(1234, 1234) }
}
conn = &timeoutConn{conn, *idleTimeout}
if test.protocol == dtls {
config.Bugs.PacketAdaptor = newPacketAdaptor(conn)
conn = config.Bugs.PacketAdaptor
}
if *flagDebug || len(*transcriptDir) != 0 {
local, peer := "client", "server"
if test.testType == clientTest {
local, peer = peer, local
}
connDebug := &recordingConn{
Conn: conn,
isDatagram: test.protocol == dtls,
local: local,
peer: peer,
}
conn = connDebug
if *flagDebug {
defer connDebug.WriteTo(os.Stdout)
}
if len(*transcriptDir) != 0 {
defer func() {
writeTranscript(test, num, connDebug.Transcript())
}()
}
if config.Bugs.PacketAdaptor != nil {
config.Bugs.PacketAdaptor.debug = connDebug
}
}
if test.replayWrites {
conn = newReplayAdaptor(conn)
}
var connDamage *damageAdaptor
if test.damageFirstWrite {
connDamage = newDamageAdaptor(conn)
conn = connDamage
}
if test.sendPrefix != "" {
if _, err := conn.Write([]byte(test.sendPrefix)); err != nil {
return err
}
}
var tlsConn *Conn
if test.testType == clientTest {
if test.protocol == dtls {
tlsConn = DTLSServer(conn, config)
} else {
tlsConn = Server(conn, config)
}
} else {
config.InsecureSkipVerify = true
if test.protocol == dtls {
tlsConn = DTLSClient(conn, config)
} else {
tlsConn = Client(conn, config)
}
}
defer tlsConn.Close()
if err := tlsConn.Handshake(); err != nil {
return err
}
// TODO(davidben): move all per-connection expectations into a dedicated
// expectations struct that can be specified separately for the two
// legs.
expectedVersion := test.expectedVersion
if isResume && test.expectedResumeVersion != 0 {
expectedVersion = test.expectedResumeVersion
}
connState := tlsConn.ConnectionState()
if vers := connState.Version; expectedVersion != 0 && vers != expectedVersion {
return fmt.Errorf("got version %x, expected %x", vers, expectedVersion)
}
if cipher := connState.CipherSuite; test.expectedCipher != 0 && cipher != test.expectedCipher {
return fmt.Errorf("got cipher %x, expected %x", cipher, test.expectedCipher)
}
if didResume := connState.DidResume; isResume && didResume == test.expectResumeRejected {
return fmt.Errorf("didResume is %t, but we expected the opposite", didResume)
}
if test.expectChannelID {
channelID := connState.ChannelID
if channelID == nil {
return fmt.Errorf("no channel ID negotiated")
}
if channelID.Curve != channelIDKey.Curve ||
channelIDKey.X.Cmp(channelIDKey.X) != 0 ||
channelIDKey.Y.Cmp(channelIDKey.Y) != 0 {
return fmt.Errorf("incorrect channel ID")
}
}
if expected := test.expectedNextProto; expected != "" {
if actual := connState.NegotiatedProtocol; actual != expected {
return fmt.Errorf("next proto mismatch: got %s, wanted %s", actual, expected)
}
}
if test.expectNoNextProto {
if actual := connState.NegotiatedProtocol; actual != "" {
return fmt.Errorf("got unexpected next proto %s", actual)
}
}
if test.expectedNextProtoType != 0 {
if (test.expectedNextProtoType == alpn) != connState.NegotiatedProtocolFromALPN {
return fmt.Errorf("next proto type mismatch")
}
}
if p := connState.SRTPProtectionProfile; p != test.expectedSRTPProtectionProfile {
return fmt.Errorf("SRTP profile mismatch: got %d, wanted %d", p, test.expectedSRTPProtectionProfile)
}
if test.expectedOCSPResponse != nil && !bytes.Equal(test.expectedOCSPResponse, tlsConn.OCSPResponse()) {
return fmt.Errorf("OCSP Response mismatch: got %x, wanted %x", tlsConn.OCSPResponse(), test.expectedOCSPResponse)
}
if test.expectedSCTList != nil && !bytes.Equal(test.expectedSCTList, connState.SCTList) {
return fmt.Errorf("SCT list mismatch")
}
if expected := test.expectedPeerSignatureAlgorithm; expected != 0 && expected != connState.PeerSignatureAlgorithm {
return fmt.Errorf("expected peer to use signature algorithm %04x, but got %04x", expected, connState.PeerSignatureAlgorithm)
}
if expected := test.expectedCurveID; expected != 0 && expected != connState.CurveID {
return fmt.Errorf("expected peer to use curve %04x, but got %04x", expected, connState.CurveID)
}
if test.exportKeyingMaterial > 0 {
actual := make([]byte, test.exportKeyingMaterial)
if _, err := io.ReadFull(tlsConn, actual); err != nil {
return err
}
expected, err := tlsConn.ExportKeyingMaterial(test.exportKeyingMaterial, []byte(test.exportLabel), []byte(test.exportContext), test.useExportContext)
if err != nil {
return err
}
if !bytes.Equal(actual, expected) {
return fmt.Errorf("keying material mismatch")
}
}
if test.testTLSUnique {
var peersValue [12]byte
if _, err := io.ReadFull(tlsConn, peersValue[:]); err != nil {
return err
}
expected := tlsConn.ConnectionState().TLSUnique
if !bytes.Equal(peersValue[:], expected) {
return fmt.Errorf("tls-unique mismatch: peer sent %x, but %x was expected", peersValue[:], expected)
}
}
if test.shimWritesFirst {
var buf [5]byte
_, err := io.ReadFull(tlsConn, buf[:])
if err != nil {
return err
}
if string(buf[:]) != "hello" {
return fmt.Errorf("bad initial message")
}
}
for i := 0; i < test.sendKeyUpdates; i++ {
if err := tlsConn.SendKeyUpdate(); err != nil {
return err
}
}
for i := 0; i < test.sendEmptyRecords; i++ {
tlsConn.Write(nil)
}
for i := 0; i < test.sendWarningAlerts; i++ {
tlsConn.SendAlert(alertLevelWarning, alertUnexpectedMessage)
}
if test.sendHalfHelloRequest {
tlsConn.SendHalfHelloRequest()
}
if test.renegotiate > 0 {
if test.renegotiateCiphers != nil {
config.CipherSuites = test.renegotiateCiphers
}
for i := 0; i < test.renegotiate; i++ {
if err := tlsConn.Renegotiate(); err != nil {
return err
}
}
} else if test.renegotiateCiphers != nil {
panic("renegotiateCiphers without renegotiate")
}
if test.damageFirstWrite {
connDamage.setDamage(true)
tlsConn.Write([]byte("DAMAGED WRITE"))
connDamage.setDamage(false)
}
messageLen := test.messageLen
if messageLen < 0 {
if test.protocol == dtls {
return fmt.Errorf("messageLen < 0 not supported for DTLS tests")
}
// Read until EOF.
_, err := io.Copy(ioutil.Discard, tlsConn)
return err
}
if messageLen == 0 {
messageLen = 32
}
messageCount := test.messageCount
if messageCount == 0 {
messageCount = 1
}
for j := 0; j < messageCount; j++ {
testMessage := make([]byte, messageLen)
for i := range testMessage {
testMessage[i] = 0x42 ^ byte(j)
}
tlsConn.Write(testMessage)
for i := 0; i < test.sendKeyUpdates; i++ {
tlsConn.SendKeyUpdate()
}
for i := 0; i < test.sendEmptyRecords; i++ {
tlsConn.Write(nil)
}
for i := 0; i < test.sendWarningAlerts; i++ {
tlsConn.SendAlert(alertLevelWarning, alertUnexpectedMessage)
}
if test.shimShutsDown || test.expectMessageDropped {
// The shim will not respond.
continue
}
buf := make([]byte, len(testMessage))
if test.protocol == dtls {
bufTmp := make([]byte, len(buf)+1)
n, err := tlsConn.Read(bufTmp)
if err != nil {
return err
}
if n != len(buf) {
return fmt.Errorf("bad reply; length mismatch (%d vs %d)", n, len(buf))
}
copy(buf, bufTmp)
} else {
_, err := io.ReadFull(tlsConn, buf)
if err != nil {
return err
}
}
for i, v := range buf {
if v != testMessage[i]^0xff {
return fmt.Errorf("bad reply contents at byte %d", i)
}
}
}
return nil
}
func valgrindOf(dbAttach bool, path string, args ...string) *exec.Cmd {
valgrindArgs := []string{"--error-exitcode=99", "--track-origins=yes", "--leak-check=full", "--quiet"}
if dbAttach {
valgrindArgs = append(valgrindArgs, "--db-attach=yes", "--db-command=xterm -e gdb -nw %f %p")
}
valgrindArgs = append(valgrindArgs, path)
valgrindArgs = append(valgrindArgs, args...)
return exec.Command("valgrind", valgrindArgs...)
}
func gdbOf(path string, args ...string) *exec.Cmd {
xtermArgs := []string{"-e", "gdb", "--args"}
xtermArgs = append(xtermArgs, path)
xtermArgs = append(xtermArgs, args...)
return exec.Command("xterm", xtermArgs...)
}
func lldbOf(path string, args ...string) *exec.Cmd {
xtermArgs := []string{"-e", "lldb", "--"}
xtermArgs = append(xtermArgs, path)
xtermArgs = append(xtermArgs, args...)
return exec.Command("xterm", xtermArgs...)
}
var (
errMoreMallocs = errors.New("child process did not exhaust all allocation calls")
errUnimplemented = errors.New("child process does not implement needed flags")
)
// accept accepts a connection from listener, unless waitChan signals a process
// exit first.
func acceptOrWait(listener net.Listener, waitChan chan error) (net.Conn, error) {
type connOrError struct {
conn net.Conn
err error
}
connChan := make(chan connOrError, 1)
go func() {
conn, err := listener.Accept()
connChan <- connOrError{conn, err}
close(connChan)
}()
select {
case result := <-connChan:
return result.conn, result.err
case childErr := <-waitChan:
waitChan <- childErr
return nil, fmt.Errorf("child exited early: %s", childErr)
}
}
func translateExpectedError(errorStr string) string {
if translated, ok := shimConfig.ErrorMap[errorStr]; ok {
return translated
}
if *looseErrors {
return ""
}
return errorStr
}
func runTest(test *testCase, shimPath string, mallocNumToFail int64) error {
// Help debugging panics on the Go side.
defer func() {
if r := recover(); r != nil {
fmt.Fprintf(os.Stderr, "Test '%s' panicked.\n", test.name)
panic(r)
}
}()
if !test.shouldFail && (len(test.expectedError) > 0 || len(test.expectedLocalError) > 0) {
panic("Error expected without shouldFail in " + test.name)
}
if test.expectResumeRejected && !test.resumeSession {
panic("expectResumeRejected without resumeSession in " + test.name)
}
listener, err := net.ListenTCP("tcp4", &net.TCPAddr{IP: net.IP{127, 0, 0, 1}})
if err != nil {
panic(err)
}
defer func() {
if listener != nil {
listener.Close()
}
}()
flags := []string{"-port", strconv.Itoa(listener.Addr().(*net.TCPAddr).Port)}
if test.testType == serverTest {
flags = append(flags, "-server")
flags = append(flags, "-key-file")
if test.keyFile == "" {
flags = append(flags, path.Join(*resourceDir, rsaKeyFile))
} else {
flags = append(flags, path.Join(*resourceDir, test.keyFile))
}
flags = append(flags, "-cert-file")
if test.certFile == "" {
flags = append(flags, path.Join(*resourceDir, rsaCertificateFile))
} else {
flags = append(flags, path.Join(*resourceDir, test.certFile))
}
}
if test.protocol == dtls {
flags = append(flags, "-dtls")
}
var resumeCount int
if test.resumeSession {
resumeCount++
if test.resumeRenewedSession {
resumeCount++
}
}
if resumeCount > 0 {
flags = append(flags, "-resume-count", strconv.Itoa(resumeCount))
}
if test.shimWritesFirst {
flags = append(flags, "-shim-writes-first")
}
if test.shimShutsDown {
flags = append(flags, "-shim-shuts-down")
}
if test.exportKeyingMaterial > 0 {
flags = append(flags, "-export-keying-material", strconv.Itoa(test.exportKeyingMaterial))
flags = append(flags, "-export-label", test.exportLabel)
flags = append(flags, "-export-context", test.exportContext)
if test.useExportContext {
flags = append(flags, "-use-export-context")
}
}
if test.expectResumeRejected {
flags = append(flags, "-expect-session-miss")
}
if test.testTLSUnique {
flags = append(flags, "-tls-unique")
}
flags = append(flags, test.flags...)
var shim *exec.Cmd
if *useValgrind {
shim = valgrindOf(false, shimPath, flags...)
} else if *useGDB {
shim = gdbOf(shimPath, flags...)
} else if *useLLDB {
shim = lldbOf(shimPath, flags...)
} else {
shim = exec.Command(shimPath, flags...)
}
shim.Stdin = os.Stdin
var stdoutBuf, stderrBuf bytes.Buffer
shim.Stdout = &stdoutBuf
shim.Stderr = &stderrBuf
if mallocNumToFail >= 0 {
shim.Env = os.Environ()
shim.Env = append(shim.Env, "MALLOC_NUMBER_TO_FAIL="+strconv.FormatInt(mallocNumToFail, 10))
if *mallocTestDebug {
shim.Env = append(shim.Env, "MALLOC_BREAK_ON_FAIL=1")
}
shim.Env = append(shim.Env, "_MALLOC_CHECK=1")
}
if err := shim.Start(); err != nil {
panic(err)
}
waitChan := make(chan error, 1)
go func() { waitChan <- shim.Wait() }()
config := test.config
if *deterministic {
config.Rand = &deterministicRand{}
}
conn, err := acceptOrWait(listener, waitChan)
if err == nil {
err = doExchange(test, &config, conn, false /* not a resumption */, 0)
conn.Close()
}
for i := 0; err == nil && i < resumeCount; i++ {
var resumeConfig Config
if test.resumeConfig != nil {
resumeConfig = *test.resumeConfig
if !test.newSessionsOnResume {
resumeConfig.SessionTicketKey = config.SessionTicketKey
resumeConfig.ClientSessionCache = config.ClientSessionCache
resumeConfig.ServerSessionCache = config.ServerSessionCache
}
resumeConfig.Rand = config.Rand
} else {
resumeConfig = config
}
var connResume net.Conn
connResume, err = acceptOrWait(listener, waitChan)
if err == nil {
err = doExchange(test, &resumeConfig, connResume, true /* resumption */, i+1)
connResume.Close()
}
}
// Close the listener now. This is to avoid hangs should the shim try to
// open more connections than expected.
listener.Close()
listener = nil
childErr := <-waitChan
var isValgrindError bool
if exitError, ok := childErr.(*exec.ExitError); ok {
switch exitError.Sys().(syscall.WaitStatus).ExitStatus() {
case 88:
return errMoreMallocs
case 89:
return errUnimplemented
case 99:
isValgrindError = true
}
}
// Account for Windows line endings.
stdout := strings.Replace(string(stdoutBuf.Bytes()), "\r\n", "\n", -1)
stderr := strings.Replace(string(stderrBuf.Bytes()), "\r\n", "\n", -1)
// Separate the errors from the shim and those from tools like
// AddressSanitizer.
var extraStderr string
if stderrParts := strings.SplitN(stderr, "--- DONE ---\n", 2); len(stderrParts) == 2 {
stderr = stderrParts[0]
extraStderr = stderrParts[1]
}
failed := err != nil || childErr != nil
expectedError := translateExpectedError(test.expectedError)
correctFailure := len(expectedError) == 0 || strings.Contains(stderr, expectedError)
localError := "none"
if err != nil {
localError = err.Error()
}
if len(test.expectedLocalError) != 0 {
correctFailure = correctFailure && strings.Contains(localError, test.expectedLocalError)
}
if failed != test.shouldFail || failed && !correctFailure {
childError := "none"
if childErr != nil {
childError = childErr.Error()
}
var msg string
switch {
case failed && !test.shouldFail:
msg = "unexpected failure"
case !failed && test.shouldFail:
msg = "unexpected success"
case failed && !correctFailure:
msg = "bad error (wanted '" + expectedError + "' / '" + test.expectedLocalError + "')"
default:
panic("internal error")
}
return fmt.Errorf("%s: local error '%s', child error '%s', stdout:\n%s\nstderr:\n%s\n%s", msg, localError, childError, stdout, stderr, extraStderr)
}
if len(extraStderr) > 0 || (!failed && len(stderr) > 0) {
return fmt.Errorf("unexpected error output:\n%s\n%s", stderr, extraStderr)
}
if *useValgrind && isValgrindError {
return fmt.Errorf("valgrind error:\n%s\n%s", stderr, extraStderr)
}
return nil
}
var tlsVersions = []struct {
name string
version uint16
flag string
hasDTLS bool
}{
{"SSL3", VersionSSL30, "-no-ssl3", false},
{"TLS1", VersionTLS10, "-no-tls1", true},
{"TLS11", VersionTLS11, "-no-tls11", false},
{"TLS12", VersionTLS12, "-no-tls12", true},
{"TLS13", VersionTLS13, "-no-tls13", false},
}
var testCipherSuites = []struct {
name string
id uint16
}{
{"3DES-SHA", TLS_RSA_WITH_3DES_EDE_CBC_SHA},
{"AES128-GCM", TLS_RSA_WITH_AES_128_GCM_SHA256},
{"AES128-SHA", TLS_RSA_WITH_AES_128_CBC_SHA},
{"AES128-SHA256", TLS_RSA_WITH_AES_128_CBC_SHA256},
{"AES256-GCM", TLS_RSA_WITH_AES_256_GCM_SHA384},
{"AES256-SHA", TLS_RSA_WITH_AES_256_CBC_SHA},
{"AES256-SHA256", TLS_RSA_WITH_AES_256_CBC_SHA256},
{"DHE-RSA-AES128-GCM", TLS_DHE_RSA_WITH_AES_128_GCM_SHA256},
{"DHE-RSA-AES128-SHA", TLS_DHE_RSA_WITH_AES_128_CBC_SHA},
{"DHE-RSA-AES128-SHA256", TLS_DHE_RSA_WITH_AES_128_CBC_SHA256},
{"DHE-RSA-AES256-GCM", TLS_DHE_RSA_WITH_AES_256_GCM_SHA384},
{"DHE-RSA-AES256-SHA", TLS_DHE_RSA_WITH_AES_256_CBC_SHA},
{"DHE-RSA-AES256-SHA256", TLS_DHE_RSA_WITH_AES_256_CBC_SHA256},
{"ECDHE-ECDSA-AES128-GCM", TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256},
{"ECDHE-ECDSA-AES128-SHA", TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA},
{"ECDHE-ECDSA-AES128-SHA256", TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256},
{"ECDHE-ECDSA-AES256-GCM", TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384},
{"ECDHE-ECDSA-AES256-SHA", TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA},
{"ECDHE-ECDSA-AES256-SHA384", TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384},
{"ECDHE-ECDSA-CHACHA20-POLY1305", TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256},
{"ECDHE-ECDSA-CHACHA20-POLY1305-OLD", TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256_OLD},
{"ECDHE-RSA-AES128-GCM", TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
{"ECDHE-RSA-AES128-SHA", TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA},
{"ECDHE-RSA-AES128-SHA256", TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256},
{"ECDHE-RSA-AES256-GCM", TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384},
{"ECDHE-RSA-AES256-SHA", TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA},
{"ECDHE-RSA-AES256-SHA384", TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384},
{"ECDHE-RSA-CHACHA20-POLY1305", TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256},
{"ECDHE-RSA-CHACHA20-POLY1305-OLD", TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256_OLD},
{"CECPQ1-RSA-CHACHA20-POLY1305-SHA256", TLS_CECPQ1_RSA_WITH_CHACHA20_POLY1305_SHA256},
{"CECPQ1-ECDSA-CHACHA20-POLY1305-SHA256", TLS_CECPQ1_ECDSA_WITH_CHACHA20_POLY1305_SHA256},
{"CECPQ1-RSA-AES256-GCM-SHA384", TLS_CECPQ1_RSA_WITH_AES_256_GCM_SHA384},
{"CECPQ1-ECDSA-AES256-GCM-SHA384", TLS_CECPQ1_ECDSA_WITH_AES_256_GCM_SHA384},
{"PSK-AES128-CBC-SHA", TLS_PSK_WITH_AES_128_CBC_SHA},
{"PSK-AES256-CBC-SHA", TLS_PSK_WITH_AES_256_CBC_SHA},
{"ECDHE-PSK-AES128-CBC-SHA", TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA},
{"ECDHE-PSK-AES256-CBC-SHA", TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA},
{"ECDHE-PSK-CHACHA20-POLY1305", TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256},
{"AEAD-CHACHA20-POLY1305", TLS_CHACHA20_POLY1305_SHA256},
{"AEAD-AES128-GCM-SHA256", TLS_AES_128_GCM_SHA256},
{"AEAD-AES256-GCM-SHA384", TLS_AES_256_GCM_SHA384},
{"NULL-SHA", TLS_RSA_WITH_NULL_SHA},
}
func hasComponent(suiteName, component string) bool {
return strings.Contains("-"+suiteName+"-", "-"+component+"-")
}
func isTLS12Only(suiteName string) bool {
return hasComponent(suiteName, "GCM") ||
hasComponent(suiteName, "SHA256") ||
hasComponent(suiteName, "SHA384") ||
hasComponent(suiteName, "POLY1305")
}
func isTLS13Suite(suiteName string) bool {
return strings.HasPrefix(suiteName, "AEAD-")
}
func isDTLSCipher(suiteName string) bool {
return !hasComponent(suiteName, "RC4") && !hasComponent(suiteName, "NULL")
}
func bigFromHex(hex string) *big.Int {
ret, ok := new(big.Int).SetString(hex, 16)
if !ok {
panic("failed to parse hex number 0x" + hex)
}
return ret
}
func addBasicTests() {
basicTests := []testCase{
{
name: "NoFallbackSCSV",
config: Config{
Bugs: ProtocolBugs{
FailIfNotFallbackSCSV: true,
},
},
shouldFail: true,
expectedLocalError: "no fallback SCSV found",
},
{
name: "SendFallbackSCSV",
config: Config{
Bugs: ProtocolBugs{
FailIfNotFallbackSCSV: true,
},
},
flags: []string{"-fallback-scsv"},
},
{
name: "ClientCertificateTypes",
config: Config{
MaxVersion: VersionTLS12,
ClientAuth: RequestClientCert,
ClientCertificateTypes: []byte{
CertTypeDSSSign,
CertTypeRSASign,
CertTypeECDSASign,
},
},
flags: []string{
"-expect-certificate-types",
base64.StdEncoding.EncodeToString([]byte{
CertTypeDSSSign,
CertTypeRSASign,
CertTypeECDSASign,
}),
},
},
{
name: "UnauthenticatedECDH",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
Bugs: ProtocolBugs{
UnauthenticatedECDH: true,
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_MESSAGE:",
},
{
name: "SkipCertificateStatus",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
Bugs: ProtocolBugs{
SkipCertificateStatus: true,
},
},
flags: []string{
"-enable-ocsp-stapling",
},
},
{
name: "SkipServerKeyExchange",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
Bugs: ProtocolBugs{
SkipServerKeyExchange: true,
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_MESSAGE:",
},
{
testType: serverTest,
name: "Alert",
config: Config{
Bugs: ProtocolBugs{
SendSpuriousAlert: alertRecordOverflow,
},
},
shouldFail: true,
expectedError: ":TLSV1_ALERT_RECORD_OVERFLOW:",
},
{
protocol: dtls,
testType: serverTest,
name: "Alert-DTLS",
config: Config{
Bugs: ProtocolBugs{
SendSpuriousAlert: alertRecordOverflow,
},
},
shouldFail: true,
expectedError: ":TLSV1_ALERT_RECORD_OVERFLOW:",
},
{
testType: serverTest,
name: "FragmentAlert",
config: Config{
Bugs: ProtocolBugs{
FragmentAlert: true,
SendSpuriousAlert: alertRecordOverflow,
},
},
shouldFail: true,
expectedError: ":BAD_ALERT:",
},
{
protocol: dtls,
testType: serverTest,
name: "FragmentAlert-DTLS",
config: Config{
Bugs: ProtocolBugs{
FragmentAlert: true,
SendSpuriousAlert: alertRecordOverflow,
},
},
shouldFail: true,
expectedError: ":BAD_ALERT:",
},
{
testType: serverTest,
name: "DoubleAlert",
config: Config{
Bugs: ProtocolBugs{
DoubleAlert: true,
SendSpuriousAlert: alertRecordOverflow,
},
},
shouldFail: true,
expectedError: ":BAD_ALERT:",
},
{
protocol: dtls,
testType: serverTest,
name: "DoubleAlert-DTLS",
config: Config{
Bugs: ProtocolBugs{
DoubleAlert: true,
SendSpuriousAlert: alertRecordOverflow,
},
},
shouldFail: true,
expectedError: ":BAD_ALERT:",
},
{
name: "SkipNewSessionTicket",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
SkipNewSessionTicket: true,
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
},
{
testType: serverTest,
name: "FallbackSCSV",
config: Config{
MaxVersion: VersionTLS11,
Bugs: ProtocolBugs{
SendFallbackSCSV: true,
},
},
shouldFail: true,
expectedError: ":INAPPROPRIATE_FALLBACK:",
},
{
testType: serverTest,
name: "FallbackSCSV-VersionMatch",
config: Config{
Bugs: ProtocolBugs{
SendFallbackSCSV: true,
},
},
},
{
testType: serverTest,
name: "FallbackSCSV-VersionMatch-TLS12",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
SendFallbackSCSV: true,
},
},
flags: []string{"-max-version", strconv.Itoa(VersionTLS12)},
},
{
testType: serverTest,
name: "FragmentedClientVersion",
config: Config{
Bugs: ProtocolBugs{
MaxHandshakeRecordLength: 1,
FragmentClientVersion: true,
},
},
expectedVersion: VersionTLS13,
},
{
testType: serverTest,
name: "HttpGET",
sendPrefix: "GET / HTTP/1.0\n",
shouldFail: true,
expectedError: ":HTTP_REQUEST:",
},
{
testType: serverTest,
name: "HttpPOST",
sendPrefix: "POST / HTTP/1.0\n",
shouldFail: true,
expectedError: ":HTTP_REQUEST:",
},
{
testType: serverTest,
name: "HttpHEAD",
sendPrefix: "HEAD / HTTP/1.0\n",
shouldFail: true,
expectedError: ":HTTP_REQUEST:",
},
{
testType: serverTest,
name: "HttpPUT",
sendPrefix: "PUT / HTTP/1.0\n",
shouldFail: true,
expectedError: ":HTTP_REQUEST:",
},
{
testType: serverTest,
name: "HttpCONNECT",
sendPrefix: "CONNECT www.google.com:443 HTTP/1.0\n",
shouldFail: true,
expectedError: ":HTTPS_PROXY_REQUEST:",
},
{
testType: serverTest,
name: "Garbage",
sendPrefix: "blah",
shouldFail: true,
expectedError: ":WRONG_VERSION_NUMBER:",
},
{
name: "RSAEphemeralKey",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_RSA_WITH_AES_128_CBC_SHA},
Bugs: ProtocolBugs{
RSAEphemeralKey: true,
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_MESSAGE:",
},
{
name: "DisableEverything",
flags: []string{"-no-tls13", "-no-tls12", "-no-tls11", "-no-tls1", "-no-ssl3"},
shouldFail: true,
expectedError: ":WRONG_SSL_VERSION:",
},
{
protocol: dtls,
name: "DisableEverything-DTLS",
flags: []string{"-no-tls12", "-no-tls1"},
shouldFail: true,
expectedError: ":WRONG_SSL_VERSION:",
},
{
protocol: dtls,
testType: serverTest,
name: "MTU",
config: Config{
Bugs: ProtocolBugs{
MaxPacketLength: 256,
},
},
flags: []string{"-mtu", "256"},
},
{
protocol: dtls,
testType: serverTest,
name: "MTUExceeded",
config: Config{
Bugs: ProtocolBugs{
MaxPacketLength: 255,
},
},
flags: []string{"-mtu", "256"},
shouldFail: true,
expectedLocalError: "dtls: exceeded maximum packet length",
},
{
name: "CertMismatchRSA",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256},
Certificates: []Certificate{ecdsaP256Certificate},
Bugs: ProtocolBugs{
SendCipherSuite: TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
},
},
shouldFail: true,
expectedError: ":WRONG_CERTIFICATE_TYPE:",
},
{
name: "CertMismatchECDSA",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
Certificates: []Certificate{rsaCertificate},
Bugs: ProtocolBugs{
SendCipherSuite: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
},
},
shouldFail: true,
expectedError: ":WRONG_CERTIFICATE_TYPE:",
},
{
name: "EmptyCertificateList",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
EmptyCertificateList: true,
},
},
shouldFail: true,
expectedError: ":DECODE_ERROR:",
},
{
name: "EmptyCertificateList-TLS13",
config: Config{
MaxVersion: VersionTLS13,
Bugs: ProtocolBugs{
EmptyCertificateList: true,
},
},
shouldFail: true,
expectedError: ":PEER_DID_NOT_RETURN_A_CERTIFICATE:",
},
{
name: "TLSFatalBadPackets",
damageFirstWrite: true,
shouldFail: true,
expectedError: ":DECRYPTION_FAILED_OR_BAD_RECORD_MAC:",
},
{
protocol: dtls,
name: "DTLSIgnoreBadPackets",
damageFirstWrite: true,
},
{
protocol: dtls,
name: "DTLSIgnoreBadPackets-Async",
damageFirstWrite: true,
flags: []string{"-async"},
},
{
name: "AppDataBeforeHandshake",
config: Config{
Bugs: ProtocolBugs{
AppDataBeforeHandshake: []byte("TEST MESSAGE"),
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
},
{
name: "AppDataBeforeHandshake-Empty",
config: Config{
Bugs: ProtocolBugs{
AppDataBeforeHandshake: []byte{},
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
},
{
protocol: dtls,
name: "AppDataBeforeHandshake-DTLS",
config: Config{
Bugs: ProtocolBugs{
AppDataBeforeHandshake: []byte("TEST MESSAGE"),
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
},
{
protocol: dtls,
name: "AppDataBeforeHandshake-DTLS-Empty",
config: Config{
Bugs: ProtocolBugs{
AppDataBeforeHandshake: []byte{},
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
},
{
name: "AppDataAfterChangeCipherSpec",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
AppDataAfterChangeCipherSpec: []byte("TEST MESSAGE"),
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
},
{
name: "AppDataAfterChangeCipherSpec-Empty",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
AppDataAfterChangeCipherSpec: []byte{},
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
},
{
protocol: dtls,
name: "AppDataAfterChangeCipherSpec-DTLS",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
AppDataAfterChangeCipherSpec: []byte("TEST MESSAGE"),
},
},
// BoringSSL's DTLS implementation will drop the out-of-order
// application data.
},
{
protocol: dtls,
name: "AppDataAfterChangeCipherSpec-DTLS-Empty",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
AppDataAfterChangeCipherSpec: []byte{},
},
},
// BoringSSL's DTLS implementation will drop the out-of-order
// application data.
},
{
name: "AlertAfterChangeCipherSpec",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
AlertAfterChangeCipherSpec: alertRecordOverflow,
},
},
shouldFail: true,
expectedError: ":TLSV1_ALERT_RECORD_OVERFLOW:",
},
{
protocol: dtls,
name: "AlertAfterChangeCipherSpec-DTLS",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
AlertAfterChangeCipherSpec: alertRecordOverflow,
},
},
shouldFail: true,
expectedError: ":TLSV1_ALERT_RECORD_OVERFLOW:",
},
{
protocol: dtls,
name: "ReorderHandshakeFragments-Small-DTLS",
config: Config{
Bugs: ProtocolBugs{
ReorderHandshakeFragments: true,
// Small enough that every handshake message is
// fragmented.
MaxHandshakeRecordLength: 2,
},
},
},
{
protocol: dtls,
name: "ReorderHandshakeFragments-Large-DTLS",
config: Config{
Bugs: ProtocolBugs{
ReorderHandshakeFragments: true,
// Large enough that no handshake message is
// fragmented.
MaxHandshakeRecordLength: 2048,
},
},
},
{
protocol: dtls,
name: "MixCompleteMessageWithFragments-DTLS",
config: Config{
Bugs: ProtocolBugs{
ReorderHandshakeFragments: true,
MixCompleteMessageWithFragments: true,
MaxHandshakeRecordLength: 2,
},
},
},
{
name: "SendInvalidRecordType",
config: Config{
Bugs: ProtocolBugs{
SendInvalidRecordType: true,
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
},
{
protocol: dtls,
name: "SendInvalidRecordType-DTLS",
config: Config{
Bugs: ProtocolBugs{
SendInvalidRecordType: true,
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
},
{
name: "FalseStart-SkipServerSecondLeg",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
NextProtos: []string{"foo"},
Bugs: ProtocolBugs{
SkipNewSessionTicket: true,
SkipChangeCipherSpec: true,
SkipFinished: true,
ExpectFalseStart: true,
},
},
flags: []string{
"-false-start",
"-handshake-never-done",
"-advertise-alpn", "\x03foo",
},
shimWritesFirst: true,
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
},
{
name: "FalseStart-SkipServerSecondLeg-Implicit",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
NextProtos: []string{"foo"},
Bugs: ProtocolBugs{
SkipNewSessionTicket: true,
SkipChangeCipherSpec: true,
SkipFinished: true,
},
},
flags: []string{
"-implicit-handshake",
"-false-start",
"-handshake-never-done",
"-advertise-alpn", "\x03foo",
},
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
},
{
testType: serverTest,
name: "FailEarlyCallback",
flags: []string{"-fail-early-callback"},
shouldFail: true,
expectedError: ":CONNECTION_REJECTED:",
expectedLocalError: "remote error: handshake failure",
},
{
protocol: dtls,
name: "FragmentMessageTypeMismatch-DTLS",
config: Config{
Bugs: ProtocolBugs{
MaxHandshakeRecordLength: 2,
FragmentMessageTypeMismatch: true,
},
},
shouldFail: true,
expectedError: ":FRAGMENT_MISMATCH:",
},
{
protocol: dtls,
name: "FragmentMessageLengthMismatch-DTLS",
config: Config{
Bugs: ProtocolBugs{
MaxHandshakeRecordLength: 2,
FragmentMessageLengthMismatch: true,
},
},
shouldFail: true,
expectedError: ":FRAGMENT_MISMATCH:",
},
{
protocol: dtls,
name: "SplitFragments-Header-DTLS",
config: Config{
Bugs: ProtocolBugs{
SplitFragments: 2,
},
},
shouldFail: true,
expectedError: ":BAD_HANDSHAKE_RECORD:",
},
{
protocol: dtls,
name: "SplitFragments-Boundary-DTLS",
config: Config{
Bugs: ProtocolBugs{
SplitFragments: dtlsRecordHeaderLen,
},
},
shouldFail: true,
expectedError: ":BAD_HANDSHAKE_RECORD:",
},
{
protocol: dtls,
name: "SplitFragments-Body-DTLS",
config: Config{
Bugs: ProtocolBugs{
SplitFragments: dtlsRecordHeaderLen + 1,
},
},
shouldFail: true,
expectedError: ":BAD_HANDSHAKE_RECORD:",
},
{
protocol: dtls,
name: "SendEmptyFragments-DTLS",
config: Config{
Bugs: ProtocolBugs{
SendEmptyFragments: true,
},
},
},
{
name: "BadFinished-Client",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
BadFinished: true,
},
},
shouldFail: true,
expectedError: ":DIGEST_CHECK_FAILED:",
},
{
name: "BadFinished-Client-TLS13",
config: Config{
MaxVersion: VersionTLS13,
Bugs: ProtocolBugs{
BadFinished: true,
},
},
shouldFail: true,
expectedError: ":DIGEST_CHECK_FAILED:",
},
{
testType: serverTest,
name: "BadFinished-Server",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
BadFinished: true,
},
},
shouldFail: true,
expectedError: ":DIGEST_CHECK_FAILED:",
},
{
testType: serverTest,
name: "BadFinished-Server-TLS13",
config: Config{
MaxVersion: VersionTLS13,
Bugs: ProtocolBugs{
BadFinished: true,
},
},
shouldFail: true,
expectedError: ":DIGEST_CHECK_FAILED:",
},
{
name: "FalseStart-BadFinished",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
NextProtos: []string{"foo"},
Bugs: ProtocolBugs{
BadFinished: true,
ExpectFalseStart: true,
},
},
flags: []string{
"-false-start",
"-handshake-never-done",
"-advertise-alpn", "\x03foo",
},
shimWritesFirst: true,
shouldFail: true,
expectedError: ":DIGEST_CHECK_FAILED:",
},
{
name: "NoFalseStart-NoALPN",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
Bugs: ProtocolBugs{
ExpectFalseStart: true,
AlertBeforeFalseStartTest: alertAccessDenied,
},
},
flags: []string{
"-false-start",
},
shimWritesFirst: true,
shouldFail: true,
expectedError: ":TLSV1_ALERT_ACCESS_DENIED:",
expectedLocalError: "tls: peer did not false start: EOF",
},
{
name: "NoFalseStart-NoAEAD",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA},
NextProtos: []string{"foo"},
Bugs: ProtocolBugs{
ExpectFalseStart: true,
AlertBeforeFalseStartTest: alertAccessDenied,
},
},
flags: []string{
"-false-start",
"-advertise-alpn", "\x03foo",
},
shimWritesFirst: true,
shouldFail: true,
expectedError: ":TLSV1_ALERT_ACCESS_DENIED:",
expectedLocalError: "tls: peer did not false start: EOF",
},
{
name: "NoFalseStart-RSA",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_RSA_WITH_AES_128_GCM_SHA256},
NextProtos: []string{"foo"},
Bugs: ProtocolBugs{
ExpectFalseStart: true,
AlertBeforeFalseStartTest: alertAccessDenied,
},
},
flags: []string{
"-false-start",
"-advertise-alpn", "\x03foo",
},
shimWritesFirst: true,
shouldFail: true,
expectedError: ":TLSV1_ALERT_ACCESS_DENIED:",
expectedLocalError: "tls: peer did not false start: EOF",
},
{
name: "NoFalseStart-DHE_RSA",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_DHE_RSA_WITH_AES_128_GCM_SHA256},
NextProtos: []string{"foo"},
Bugs: ProtocolBugs{
ExpectFalseStart: true,
AlertBeforeFalseStartTest: alertAccessDenied,
},
},
flags: []string{
"-false-start",
"-advertise-alpn", "\x03foo",
},
shimWritesFirst: true,
shouldFail: true,
expectedError: ":TLSV1_ALERT_ACCESS_DENIED:",
expectedLocalError: "tls: peer did not false start: EOF",
},
{
protocol: dtls,
name: "SendSplitAlert-Sync",
config: Config{
Bugs: ProtocolBugs{
SendSplitAlert: true,
},
},
},
{
protocol: dtls,
name: "SendSplitAlert-Async",
config: Config{
Bugs: ProtocolBugs{
SendSplitAlert: true,
},
},
flags: []string{"-async"},
},
{
protocol: dtls,
name: "PackDTLSHandshake",
config: Config{
Bugs: ProtocolBugs{
MaxHandshakeRecordLength: 2,
PackHandshakeFragments: 20,
PackHandshakeRecords: 200,
},
},
},
{
name: "SendEmptyRecords-Pass",
sendEmptyRecords: 32,
},
{
name: "SendEmptyRecords",
sendEmptyRecords: 33,
shouldFail: true,
expectedError: ":TOO_MANY_EMPTY_FRAGMENTS:",
},
{
name: "SendEmptyRecords-Async",
sendEmptyRecords: 33,
flags: []string{"-async"},
shouldFail: true,
expectedError: ":TOO_MANY_EMPTY_FRAGMENTS:",
},
{
name: "SendWarningAlerts-Pass",
config: Config{
MaxVersion: VersionTLS12,
},
sendWarningAlerts: 4,
},
{
protocol: dtls,
name: "SendWarningAlerts-DTLS-Pass",
config: Config{
MaxVersion: VersionTLS12,
},
sendWarningAlerts: 4,
},
{
name: "SendWarningAlerts-TLS13",
config: Config{
MaxVersion: VersionTLS13,
},
sendWarningAlerts: 4,
shouldFail: true,
expectedError: ":BAD_ALERT:",
expectedLocalError: "remote error: error decoding message",
},
{
name: "SendWarningAlerts",
config: Config{
MaxVersion: VersionTLS12,
},
sendWarningAlerts: 5,
shouldFail: true,
expectedError: ":TOO_MANY_WARNING_ALERTS:",
},
{
name: "SendWarningAlerts-Async",
config: Config{
MaxVersion: VersionTLS12,
},
sendWarningAlerts: 5,
flags: []string{"-async"},
shouldFail: true,
expectedError: ":TOO_MANY_WARNING_ALERTS:",
},
{
name: "SendKeyUpdates",
config: Config{
MaxVersion: VersionTLS13,
},
sendKeyUpdates: 33,
shouldFail: true,
expectedError: ":TOO_MANY_KEY_UPDATES:",
},
{
name: "EmptySessionID",
config: Config{
MaxVersion: VersionTLS12,
SessionTicketsDisabled: true,
},
noSessionCache: true,
flags: []string{"-expect-no-session"},
},
{
name: "Unclean-Shutdown",
config: Config{
Bugs: ProtocolBugs{
NoCloseNotify: true,
ExpectCloseNotify: true,
},
},
shimShutsDown: true,
flags: []string{"-check-close-notify"},
shouldFail: true,
expectedError: "Unexpected SSL_shutdown result: -1 != 1",
},
{
name: "Unclean-Shutdown-Ignored",
config: Config{
Bugs: ProtocolBugs{
NoCloseNotify: true,
},
},
shimShutsDown: true,
},
{
name: "Unclean-Shutdown-Alert",
config: Config{
Bugs: ProtocolBugs{
SendAlertOnShutdown: alertDecompressionFailure,
ExpectCloseNotify: true,
},
},
shimShutsDown: true,
flags: []string{"-check-close-notify"},
shouldFail: true,
expectedError: ":SSLV3_ALERT_DECOMPRESSION_FAILURE:",
},
{
name: "LargePlaintext",
config: Config{
Bugs: ProtocolBugs{
SendLargeRecords: true,
},
},
messageLen: maxPlaintext + 1,
shouldFail: true,
expectedError: ":DATA_LENGTH_TOO_LONG:",
},
{
protocol: dtls,
name: "LargePlaintext-DTLS",
config: Config{
Bugs: ProtocolBugs{
SendLargeRecords: true,
},
},
messageLen: maxPlaintext + 1,
shouldFail: true,
expectedError: ":DATA_LENGTH_TOO_LONG:",
},
{
name: "LargeCiphertext",
config: Config{
Bugs: ProtocolBugs{
SendLargeRecords: true,
},
},
messageLen: maxPlaintext * 2,
shouldFail: true,
expectedError: ":ENCRYPTED_LENGTH_TOO_LONG:",
},
{
protocol: dtls,
name: "LargeCiphertext-DTLS",
config: Config{
Bugs: ProtocolBugs{
SendLargeRecords: true,
},
},
messageLen: maxPlaintext * 2,
// Unlike the other four cases, DTLS drops records which
// are invalid before authentication, so the connection
// does not fail.
expectMessageDropped: true,
},
{
name: "BadHelloRequest-1",
renegotiate: 1,
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
BadHelloRequest: []byte{typeHelloRequest, 0, 0, 1, 1},
},
},
flags: []string{
"-renegotiate-freely",
"-expect-total-renegotiations", "1",
},
shouldFail: true,
expectedError: ":EXCESSIVE_MESSAGE_SIZE:",
},
{
name: "BadHelloRequest-2",
renegotiate: 1,
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
BadHelloRequest: []byte{typeServerKeyExchange, 0, 0, 0},
},
},
flags: []string{
"-renegotiate-freely",
"-expect-total-renegotiations", "1",
},
shouldFail: true,
expectedError: ":BAD_HELLO_REQUEST:",
},
{
testType: serverTest,
name: "SupportTicketsWithSessionID",
config: Config{
MaxVersion: VersionTLS12,
SessionTicketsDisabled: true,
},
resumeConfig: &Config{
MaxVersion: VersionTLS12,
},
resumeSession: true,
},
{
protocol: dtls,
name: "DTLS-SendExtraFinished",
config: Config{
Bugs: ProtocolBugs{
SendExtraFinished: true,
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
},
{
protocol: dtls,
name: "DTLS-SendExtraFinished-Reordered",
config: Config{
Bugs: ProtocolBugs{
MaxHandshakeRecordLength: 2,
ReorderHandshakeFragments: true,
SendExtraFinished: true,
},
},
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
},
{
testType: serverTest,
name: "V2ClientHello-EmptyRecordPrefix",
config: Config{
// Choose a cipher suite that does not involve
// elliptic curves, so no extensions are
// involved.
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_RSA_WITH_3DES_EDE_CBC_SHA},
Bugs: ProtocolBugs{
SendV2ClientHello: true,
},
},
sendPrefix: string([]byte{
byte(recordTypeHandshake),
3, 1, // version
0, 0, // length
}),
// A no-op empty record may not be sent before V2ClientHello.
shouldFail: true,
expectedError: ":WRONG_VERSION_NUMBER:",
},
{
testType: serverTest,
name: "V2ClientHello-WarningAlertPrefix",
config: Config{
// Choose a cipher suite that does not involve
// elliptic curves, so no extensions are
// involved.
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_RSA_WITH_3DES_EDE_CBC_SHA},
Bugs: ProtocolBugs{
SendV2ClientHello: true,
},
},
sendPrefix: string([]byte{
byte(recordTypeAlert),
3, 1, // version
0, 2, // length
alertLevelWarning, byte(alertDecompressionFailure),
}),
// A no-op warning alert may not be sent before V2ClientHello.
shouldFail: true,
expectedError: ":WRONG_VERSION_NUMBER:",
},
{
testType: clientTest,
name: "KeyUpdate",
config: Config{
MaxVersion: VersionTLS13,
Bugs: ProtocolBugs{
SendKeyUpdateBeforeEveryAppDataRecord: true,
},
},
},
{
name: "SendSNIWarningAlert",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
SendSNIWarningAlert: true,
},
},
},
{
testType: serverTest,
name: "ExtraCompressionMethods-TLS12",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
SendCompressionMethods: []byte{1, 2, 3, compressionNone, 4, 5, 6},
},
},
},
{
testType: serverTest,
name: "ExtraCompressionMethods-TLS13",
config: Config{
MaxVersion: VersionTLS13,
Bugs: ProtocolBugs{
SendCompressionMethods: []byte{1, 2, 3, compressionNone, 4, 5, 6},
},
},
shouldFail: true,
expectedError: ":INVALID_COMPRESSION_LIST:",
expectedLocalError: "remote error: illegal parameter",
},
{
testType: serverTest,
name: "NoNullCompression-TLS12",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
SendCompressionMethods: []byte{1, 2, 3, 4, 5, 6},
},
},
shouldFail: true,
expectedError: ":NO_COMPRESSION_SPECIFIED:",
expectedLocalError: "remote error: illegal parameter",
},
{
testType: serverTest,
name: "NoNullCompression-TLS13",
config: Config{
MaxVersion: VersionTLS13,
Bugs: ProtocolBugs{
SendCompressionMethods: []byte{1, 2, 3, 4, 5, 6},
},
},
shouldFail: true,
expectedError: ":INVALID_COMPRESSION_LIST:",
expectedLocalError: "remote error: illegal parameter",
},
{
name: "GREASE-Client-TLS12",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
ExpectGREASE: true,
},
},
flags: []string{"-enable-grease"},
},
{
name: "GREASE-Client-TLS13",
config: Config{
MaxVersion: VersionTLS13,
Bugs: ProtocolBugs{
ExpectGREASE: true,
},
},
flags: []string{"-enable-grease"},
},
{
testType: serverTest,
name: "GREASE-Server-TLS13",
config: Config{
MaxVersion: VersionTLS13,
Bugs: ProtocolBugs{
ExpectGREASE: true,
},
},
flags: []string{"-enable-grease"},
},
}
testCases = append(testCases, basicTests...)
// Test that very large messages can be received.
cert := rsaCertificate
for i := 0; i < 50; i++ {
cert.Certificate = append(cert.Certificate, cert.Certificate[0])
}
testCases = append(testCases, testCase{
name: "LargeMessage",
config: Config{
Certificates: []Certificate{cert},
},
})
testCases = append(testCases, testCase{
protocol: dtls,
name: "LargeMessage-DTLS",
config: Config{
Certificates: []Certificate{cert},
},
})
// They are rejected if the maximum certificate chain length is capped.
testCases = append(testCases, testCase{
name: "LargeMessage-Reject",
config: Config{
Certificates: []Certificate{cert},
},
flags: []string{"-max-cert-list", "16384"},
shouldFail: true,
expectedError: ":EXCESSIVE_MESSAGE_SIZE:",
})
testCases = append(testCases, testCase{
protocol: dtls,
name: "LargeMessage-Reject-DTLS",
config: Config{
Certificates: []Certificate{cert},
},
flags: []string{"-max-cert-list", "16384"},
shouldFail: true,
expectedError: ":EXCESSIVE_MESSAGE_SIZE:",
})
}
func addCipherSuiteTests() {
const bogusCipher = 0xfe00
for _, suite := range testCipherSuites {
const psk = "12345"
const pskIdentity = "luggage combo"
var cert Certificate
var certFile string
var keyFile string
if hasComponent(suite.name, "ECDSA") {
cert = ecdsaP256Certificate
certFile = ecdsaP256CertificateFile
keyFile = ecdsaP256KeyFile
} else {
cert = rsaCertificate
certFile = rsaCertificateFile
keyFile = rsaKeyFile
}
var flags []string
if hasComponent(suite.name, "PSK") {
flags = append(flags,
"-psk", psk,
"-psk-identity", pskIdentity)
}
if hasComponent(suite.name, "NULL") {
// NULL ciphers must be explicitly enabled.
flags = append(flags, "-cipher", "DEFAULT:NULL-SHA")
}
if hasComponent(suite.name, "CECPQ1") {
// CECPQ1 ciphers must be explicitly enabled.
flags = append(flags, "-cipher", "DEFAULT:kCECPQ1")
}
if hasComponent(suite.name, "ECDHE-PSK") && hasComponent(suite.name, "GCM") {
// ECDHE_PSK AES_GCM ciphers must be explicitly enabled
// for now.
flags = append(flags, "-cipher", suite.name)
}
for _, ver := range tlsVersions {
for _, protocol := range []protocol{tls, dtls} {
var prefix string
if protocol == dtls {
if !ver.hasDTLS {
continue
}
prefix = "D"
}
var shouldServerFail, shouldClientFail bool
if hasComponent(suite.name, "ECDHE") && ver.version == VersionSSL30 {
// BoringSSL clients accept ECDHE on SSLv3, but
// a BoringSSL server will never select it
// because the extension is missing.
shouldServerFail = true
}
if isTLS12Only(suite.name) && ver.version < VersionTLS12 {
shouldClientFail = true
shouldServerFail = true
}
if !isTLS13Suite(suite.name) && ver.version >= VersionTLS13 {
shouldClientFail = true
shouldServerFail = true
}
if isTLS13Suite(suite.name) && ver.version < VersionTLS13 {
shouldClientFail = true
shouldServerFail = true
}
if !isDTLSCipher(suite.name) && protocol == dtls {
shouldClientFail = true
shouldServerFail = true
}
var sendCipherSuite uint16
var expectedServerError, expectedClientError string
serverCipherSuites := []uint16{suite.id}
if shouldServerFail {
expectedServerError = ":NO_SHARED_CIPHER:"
}
if shouldClientFail {
expectedClientError = ":WRONG_CIPHER_RETURNED:"
// Configure the server to select ciphers as normal but
// select an incompatible cipher in ServerHello.
serverCipherSuites = nil
sendCipherSuite = suite.id
}
testCases = append(testCases, testCase{
testType: serverTest,
protocol: protocol,
name: prefix + ver.name + "-" + suite.name + "-server",
config: Config{
MinVersion: ver.version,
MaxVersion: ver.version,
CipherSuites: []uint16{suite.id},
Certificates: []Certificate{cert},
PreSharedKey: []byte(psk),
PreSharedKeyIdentity: pskIdentity,
Bugs: ProtocolBugs{
AdvertiseAllConfiguredCiphers: true,
},
},
certFile: certFile,
keyFile: keyFile,
flags: flags,
resumeSession: true,
shouldFail: shouldServerFail,
expectedError: expectedServerError,
})
testCases = append(testCases, testCase{
testType: clientTest,
protocol: protocol,
name: prefix + ver.name + "-" + suite.name + "-client",
config: Config{
MinVersion: ver.version,
MaxVersion: ver.version,
CipherSuites: serverCipherSuites,
Certificates: []Certificate{cert},
PreSharedKey: []byte(psk),
PreSharedKeyIdentity: pskIdentity,
Bugs: ProtocolBugs{
IgnorePeerCipherPreferences: shouldClientFail,
SendCipherSuite: sendCipherSuite,
},
},
flags: flags,
resumeSession: true,
shouldFail: shouldClientFail,
expectedError: expectedClientError,
})
if !shouldClientFail {
// Ensure the maximum record size is accepted.
testCases = append(testCases, testCase{
name: prefix + ver.name + "-" + suite.name + "-LargeRecord",
config: Config{
MinVersion: ver.version,
MaxVersion: ver.version,
CipherSuites: []uint16{suite.id},
Certificates: []Certificate{cert},
PreSharedKey: []byte(psk),
PreSharedKeyIdentity: pskIdentity,
},
flags: flags,
messageLen: maxPlaintext,
})
}
}
}
}
testCases = append(testCases, testCase{
name: "NoSharedCipher",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{},
},
shouldFail: true,
expectedError: ":HANDSHAKE_FAILURE_ON_CLIENT_HELLO:",
})
testCases = append(testCases, testCase{
name: "NoSharedCipher-TLS13",
config: Config{
MaxVersion: VersionTLS13,
CipherSuites: []uint16{},
},
shouldFail: true,
expectedError: ":HANDSHAKE_FAILURE_ON_CLIENT_HELLO:",
})
testCases = append(testCases, testCase{
name: "UnsupportedCipherSuite",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_RSA_WITH_AES_128_CBC_SHA},
Bugs: ProtocolBugs{
IgnorePeerCipherPreferences: true,
},
},
flags: []string{"-cipher", "DEFAULT:!AES"},
shouldFail: true,
expectedError: ":WRONG_CIPHER_RETURNED:",
})
testCases = append(testCases, testCase{
name: "ServerHelloBogusCipher",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
SendCipherSuite: bogusCipher,
},
},
shouldFail: true,
expectedError: ":UNKNOWN_CIPHER_RETURNED:",
})
testCases = append(testCases, testCase{
name: "ServerHelloBogusCipher-TLS13",
config: Config{
MaxVersion: VersionTLS13,
Bugs: ProtocolBugs{
SendCipherSuite: bogusCipher,
},
},
shouldFail: true,
expectedError: ":UNKNOWN_CIPHER_RETURNED:",
})
testCases = append(testCases, testCase{
name: "WeakDH",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_DHE_RSA_WITH_AES_128_GCM_SHA256},
Bugs: ProtocolBugs{
// This is a 1023-bit prime number, generated
// with:
// openssl gendh 1023 | openssl asn1parse -i
DHGroupPrime: bigFromHex("518E9B7930CE61C6E445C8360584E5FC78D9137C0FFDC880B495D5338ADF7689951A6821C17A76B3ACB8E0156AEA607B7EC406EBEDBB84D8376EB8FE8F8BA1433488BEE0C3EDDFD3A32DBB9481980A7AF6C96BFCF490A094CFFB2B8192C1BB5510B77B658436E27C2D4D023FE3718222AB0CA1273995B51F6D625A4944D0DD4B"),
},
},
shouldFail: true,
expectedError: ":BAD_DH_P_LENGTH:",
})
testCases = append(testCases, testCase{
name: "SillyDH",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_DHE_RSA_WITH_AES_128_GCM_SHA256},
Bugs: ProtocolBugs{
// This is a 4097-bit prime number, generated
// with:
// openssl gendh 4097 | openssl asn1parse -i
DHGroupPrime: bigFromHex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
},
},
shouldFail: true,
expectedError: ":DH_P_TOO_LONG:",
})
// This test ensures that Diffie-Hellman public values are padded with
// zeros so that they're the same length as the prime. This is to avoid
// hitting a bug in yaSSL.
testCases = append(testCases, testCase{
testType: serverTest,
name: "DHPublicValuePadded",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_DHE_RSA_WITH_AES_128_GCM_SHA256},
Bugs: ProtocolBugs{
RequireDHPublicValueLen: (1025 + 7) / 8,
},
},
flags: []string{"-use-sparse-dh-prime"},
})
// The server must be tolerant to bogus ciphers.
testCases = append(testCases, testCase{
testType: serverTest,
name: "UnknownCipher",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{bogusCipher, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
Bugs: ProtocolBugs{
AdvertiseAllConfiguredCiphers: true,
},
},
})
// The server must be tolerant to bogus ciphers.
testCases = append(testCases, testCase{
testType: serverTest,
name: "UnknownCipher-TLS13",
config: Config{
MaxVersion: VersionTLS13,
CipherSuites: []uint16{bogusCipher, TLS_AES_128_GCM_SHA256},
Bugs: ProtocolBugs{
AdvertiseAllConfiguredCiphers: true,
},
},
})
// Test empty ECDHE_PSK identity hints work as expected.
testCases = append(testCases, testCase{
name: "EmptyECDHEPSKHint",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA},
PreSharedKey: []byte("secret"),
},
flags: []string{"-psk", "secret"},
})
// Test empty PSK identity hints work as expected, even if an explicit
// ServerKeyExchange is sent.
testCases = append(testCases, testCase{
name: "ExplicitEmptyPSKHint",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_PSK_WITH_AES_128_CBC_SHA},
PreSharedKey: []byte("secret"),
Bugs: ProtocolBugs{
AlwaysSendPreSharedKeyIdentityHint: true,
},
},
flags: []string{"-psk", "secret"},
})
// versionSpecificCiphersTest specifies a test for the TLS 1.0 and TLS
// 1.1 specific cipher suite settings. A server is setup with the given
// cipher lists and then a connection is made for each member of
// expectations. The cipher suite that the server selects must match
// the specified one.
var versionSpecificCiphersTest = []struct {
ciphersDefault, ciphersTLS10, ciphersTLS11 string
// expectations is a map from TLS version to cipher suite id.
expectations map[uint16]uint16
}{
{
// Test that the null case (where no version-specific ciphers are set)
// works as expected.
"DES-CBC3-SHA:AES128-SHA", // default ciphers
"", // no ciphers specifically for TLS ≥ 1.0
"", // no ciphers specifically for TLS ≥ 1.1
map[uint16]uint16{
VersionSSL30: TLS_RSA_WITH_3DES_EDE_CBC_SHA,
VersionTLS10: TLS_RSA_WITH_3DES_EDE_CBC_SHA,
VersionTLS11: TLS_RSA_WITH_3DES_EDE_CBC_SHA,
VersionTLS12: TLS_RSA_WITH_3DES_EDE_CBC_SHA,
},
},
{
// With ciphers_tls10 set, TLS 1.0, 1.1 and 1.2 should get a different
// cipher.
"DES-CBC3-SHA:AES128-SHA", // default
"AES128-SHA", // these ciphers for TLS ≥ 1.0
"", // no ciphers specifically for TLS ≥ 1.1
map[uint16]uint16{
VersionSSL30: TLS_RSA_WITH_3DES_EDE_CBC_SHA,
VersionTLS10: TLS_RSA_WITH_AES_128_CBC_SHA,
VersionTLS11: TLS_RSA_WITH_AES_128_CBC_SHA,
VersionTLS12: TLS_RSA_WITH_AES_128_CBC_SHA,
},
},
{
// With ciphers_tls11 set, TLS 1.1 and 1.2 should get a different
// cipher.
"DES-CBC3-SHA:AES128-SHA", // default
"", // no ciphers specifically for TLS ≥ 1.0
"AES128-SHA", // these ciphers for TLS ≥ 1.1
map[uint16]uint16{
VersionSSL30: TLS_RSA_WITH_3DES_EDE_CBC_SHA,
VersionTLS10: TLS_RSA_WITH_3DES_EDE_CBC_SHA,
VersionTLS11: TLS_RSA_WITH_AES_128_CBC_SHA,
VersionTLS12: TLS_RSA_WITH_AES_128_CBC_SHA,
},
},
{
// With both ciphers_tls10 and ciphers_tls11 set, ciphers_tls11 should
// mask ciphers_tls10 for TLS 1.1 and 1.2.
"DES-CBC3-SHA:AES128-SHA", // default
"AES128-SHA", // these ciphers for TLS ≥ 1.0
"AES256-SHA", // these ciphers for TLS ≥ 1.1
map[uint16]uint16{
VersionSSL30: TLS_RSA_WITH_3DES_EDE_CBC_SHA,
VersionTLS10: TLS_RSA_WITH_AES_128_CBC_SHA,
VersionTLS11: TLS_RSA_WITH_AES_256_CBC_SHA,
VersionTLS12: TLS_RSA_WITH_AES_256_CBC_SHA,
},
},
}
for i, test := range versionSpecificCiphersTest {
for version, expectedCipherSuite := range test.expectations {
flags := []string{"-cipher", test.ciphersDefault}
if len(test.ciphersTLS10) > 0 {
flags = append(flags, "-cipher-tls10", test.ciphersTLS10)
}
if len(test.ciphersTLS11) > 0 {
flags = append(flags, "-cipher-tls11", test.ciphersTLS11)
}
testCases = append(testCases, testCase{
testType: serverTest,
name: fmt.Sprintf("VersionSpecificCiphersTest-%d-%x", i, version),
config: Config{
MaxVersion: version,
MinVersion: version,
CipherSuites: []uint16{TLS_RSA_WITH_3DES_EDE_CBC_SHA, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_256_CBC_SHA},
},
flags: flags,
expectedCipher: expectedCipherSuite,
})
}
}
}
func addBadECDSASignatureTests() {
for badR := BadValue(1); badR < NumBadValues; badR++ {
for badS := BadValue(1); badS < NumBadValues; badS++ {
testCases = append(testCases, testCase{
name: fmt.Sprintf("BadECDSA-%d-%d", badR, badS),
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256},
Certificates: []Certificate{ecdsaP256Certificate},
Bugs: ProtocolBugs{
BadECDSAR: badR,
BadECDSAS: badS,
},
},
shouldFail: true,
expectedError: ":BAD_SIGNATURE:",
})
testCases = append(testCases, testCase{
name: fmt.Sprintf("BadECDSA-%d-%d-TLS13", badR, badS),
config: Config{
MaxVersion: VersionTLS13,
Certificates: []Certificate{ecdsaP256Certificate},
Bugs: ProtocolBugs{
BadECDSAR: badR,
BadECDSAS: badS,
},
},
shouldFail: true,
expectedError: ":BAD_SIGNATURE:",
})
}
}
}
func addCBCPaddingTests() {
testCases = append(testCases, testCase{
name: "MaxCBCPadding",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA},
Bugs: ProtocolBugs{
MaxPadding: true,
},
},
messageLen: 12, // 20 bytes of SHA-1 + 12 == 0 % block size
})
testCases = append(testCases, testCase{
name: "BadCBCPadding",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA},
Bugs: ProtocolBugs{
PaddingFirstByteBad: true,
},
},
shouldFail: true,
expectedError: ":DECRYPTION_FAILED_OR_BAD_RECORD_MAC:",
})
// OpenSSL previously had an issue where the first byte of padding in
// 255 bytes of padding wasn't checked.
testCases = append(testCases, testCase{
name: "BadCBCPadding255",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA},
Bugs: ProtocolBugs{
MaxPadding: true,
PaddingFirstByteBadIf255: true,
},
},
messageLen: 12, // 20 bytes of SHA-1 + 12 == 0 % block size
shouldFail: true,
expectedError: ":DECRYPTION_FAILED_OR_BAD_RECORD_MAC:",
})
}
func addCBCSplittingTests() {
testCases = append(testCases, testCase{
name: "CBCRecordSplitting",
config: Config{
MaxVersion: VersionTLS10,
MinVersion: VersionTLS10,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA},
},
messageLen: -1, // read until EOF
resumeSession: true,
flags: []string{
"-async",
"-write-different-record-sizes",
"-cbc-record-splitting",
},
})
testCases = append(testCases, testCase{
name: "CBCRecordSplittingPartialWrite",
config: Config{
MaxVersion: VersionTLS10,
MinVersion: VersionTLS10,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA},
},
messageLen: -1, // read until EOF
flags: []string{
"-async",
"-write-different-record-sizes",
"-cbc-record-splitting",
"-partial-write",
},
})
}
func addClientAuthTests() {
// Add a dummy cert pool to stress certificate authority parsing.
// TODO(davidben): Add tests that those values parse out correctly.
certPool := x509.NewCertPool()
cert, err := x509.ParseCertificate(rsaCertificate.Certificate[0])
if err != nil {
panic(err)
}
certPool.AddCert(cert)
for _, ver := range tlsVersions {
testCases = append(testCases, testCase{
testType: clientTest,
name: ver.name + "-Client-ClientAuth-RSA",
config: Config{
MinVersion: ver.version,
MaxVersion: ver.version,
ClientAuth: RequireAnyClientCert,
ClientCAs: certPool,
},
flags: []string{
"-cert-file", path.Join(*resourceDir, rsaCertificateFile),
"-key-file", path.Join(*resourceDir, rsaKeyFile),
},
})
testCases = append(testCases, testCase{
testType: serverTest,
name: ver.name + "-Server-ClientAuth-RSA",
config: Config{
MinVersion: ver.version,
MaxVersion: ver.version,
Certificates: []Certificate{rsaCertificate},
},
flags: []string{"-require-any-client-certificate"},
})
if ver.version != VersionSSL30 {
testCases = append(testCases, testCase{
testType: serverTest,
name: ver.name + "-Server-ClientAuth-ECDSA",
config: Config{
MinVersion: ver.version,
MaxVersion: ver.version,
Certificates: []Certificate{ecdsaP256Certificate},
},
flags: []string{"-require-any-client-certificate"},
})
testCases = append(testCases, testCase{
testType: clientTest,
name: ver.name + "-Client-ClientAuth-ECDSA",
config: Config{
MinVersion: ver.version,
MaxVersion: ver.version,
ClientAuth: RequireAnyClientCert,
ClientCAs: certPool,
},
flags: []string{
"-cert-file", path.Join(*resourceDir, ecdsaP256CertificateFile),
"-key-file", path.Join(*resourceDir, ecdsaP256KeyFile),
},
})
}
testCases = append(testCases, testCase{
name: "NoClientCertificate-" + ver.name,
config: Config{
MinVersion: ver.version,
MaxVersion: ver.version,
ClientAuth: RequireAnyClientCert,
},
shouldFail: true,
expectedLocalError: "client didn't provide a certificate",
})
testCases = append(testCases, testCase{
// Even if not configured to expect a certificate, OpenSSL will
// return X509_V_OK as the verify_result.
testType: serverTest,
name: "NoClientCertificateRequested-Server-" + ver.name,
config: Config{
MinVersion: ver.version,
MaxVersion: ver.version,
},
flags: []string{
"-expect-verify-result",
},
resumeSession: true,
})
testCases = append(testCases, testCase{
// If a client certificate is not provided, OpenSSL will still
// return X509_V_OK as the verify_result.
testType: serverTest,
name: "NoClientCertificate-Server-" + ver.name,
config: Config{
MinVersion: ver.version,
MaxVersion: ver.version,
},
flags: []string{
"-expect-verify-result",
"-verify-peer",
},
resumeSession: true,
})
certificateRequired := "remote error: certificate required"
if ver.version < VersionTLS13 {
// Prior to TLS 1.3, the generic handshake_failure alert
// was used.
certificateRequired = "remote error: handshake failure"
}
testCases = append(testCases, testCase{
testType: serverTest,
name: "RequireAnyClientCertificate-" + ver.name,
config: Config{
MinVersion: ver.version,
MaxVersion: ver.version,
},
flags: []string{"-require-any-client-certificate"},
shouldFail: true,
expectedError: ":PEER_DID_NOT_RETURN_A_CERTIFICATE:",
expectedLocalError: certificateRequired,
})
if ver.version != VersionSSL30 {
testCases = append(testCases, testCase{
testType: serverTest,
name: "SkipClientCertificate-" + ver.name,
config: Config{
MinVersion: ver.version,
MaxVersion: ver.version,
Bugs: ProtocolBugs{
SkipClientCertificate: true,
},
},
// Setting SSL_VERIFY_PEER allows anonymous clients.
flags: []string{"-verify-peer"},
shouldFail: true,
expectedError: ":UNEXPECTED_MESSAGE:",
})
}
}
// Client auth is only legal in certificate-based ciphers.
testCases = append(testCases, testCase{
testType: clientTest,
name: "ClientAuth-PSK",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_PSK_WITH_AES_128_CBC_SHA},
PreSharedKey: []byte("secret"),
ClientAuth: RequireAnyClientCert,
},
flags: []string{
"-cert-file", path.Join(*resourceDir, rsaCertificateFile),
"-key-file", path.Join(*resourceDir, rsaKeyFile),
"-psk", "secret",
},
shouldFail: true,
expectedError: ":UNEXPECTED_MESSAGE:",
})
testCases = append(testCases, testCase{
testType: clientTest,
name: "ClientAuth-ECDHE_PSK",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA},
PreSharedKey: []byte("secret"),
ClientAuth: RequireAnyClientCert,
},
flags: []string{
"-cert-file", path.Join(*resourceDir, rsaCertificateFile),
"-key-file", path.Join(*resourceDir, rsaKeyFile),
"-psk", "secret",
},
shouldFail: true,
expectedError: ":UNEXPECTED_MESSAGE:",
})
// Regression test for a bug where the client CA list, if explicitly
// set to NULL, was mis-encoded.
testCases = append(testCases, testCase{
testType: serverTest,
name: "Null-Client-CA-List",
config: Config{
MaxVersion: VersionTLS12,
Certificates: []Certificate{rsaCertificate},
},
flags: []string{
"-require-any-client-certificate",
"-use-null-client-ca-list",
},
})
}
func addExtendedMasterSecretTests() {
const expectEMSFlag = "-expect-extended-master-secret"
for _, with := range []bool{false, true} {
prefix := "No"
if with {
prefix = ""
}
for _, isClient := range []bool{false, true} {
suffix := "-Server"
testType := serverTest
if isClient {
suffix = "-Client"
testType = clientTest
}
for _, ver := range tlsVersions {
// In TLS 1.3, the extension is irrelevant and
// always reports as enabled.
var flags []string
if with || ver.version >= VersionTLS13 {
flags = []string{expectEMSFlag}
}
test := testCase{
testType: testType,
name: prefix + "ExtendedMasterSecret-" + ver.name + suffix,
config: Config{
MinVersion: ver.version,
MaxVersion: ver.version,
Bugs: ProtocolBugs{
NoExtendedMasterSecret: !with,
RequireExtendedMasterSecret: with,
},
},
flags: flags,
shouldFail: ver.version == VersionSSL30 && with,
}
if test.shouldFail {
test.expectedLocalError = "extended master secret required but not supported by peer"
}
testCases = append(testCases, test)
}
}
}
for _, isClient := range []bool{false, true} {
for _, supportedInFirstConnection := range []bool{false, true} {
for _, supportedInResumeConnection := range []bool{false, true} {
boolToWord := func(b bool) string {
if b {
return "Yes"
}
return "No"
}
suffix := boolToWord(supportedInFirstConnection) + "To" + boolToWord(supportedInResumeConnection) + "-"
if isClient {
suffix += "Client"
} else {
suffix += "Server"
}
supportedConfig := Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
RequireExtendedMasterSecret: true,
},
}
noSupportConfig := Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
NoExtendedMasterSecret: true,
},
}
test := testCase{
name: "ExtendedMasterSecret-" + suffix,
resumeSession: true,
}
if !isClient {
test.testType = serverTest
}
if supportedInFirstConnection {
test.config = supportedConfig
} else {
test.config = noSupportConfig
}
if supportedInResumeConnection {
test.resumeConfig = &supportedConfig
} else {
test.resumeConfig = &noSupportConfig
}
switch suffix {
case "YesToYes-Client", "YesToYes-Server":
// When a session is resumed, it should
// still be aware that its master
// secret was generated via EMS and
// thus it's safe to use tls-unique.
test.flags = []string{expectEMSFlag}
case "NoToYes-Server":
// If an original connection did not
// contain EMS, but a resumption
// handshake does, then a server should
// not resume the session.
test.expectResumeRejected = true
case "YesToNo-Server":
// Resuming an EMS session without the
// EMS extension should cause the
// server to abort the connection.
test.shouldFail = true
test.expectedError = ":RESUMED_EMS_SESSION_WITHOUT_EMS_EXTENSION:"
case "NoToYes-Client":
// A client should abort a connection
// where the server resumed a non-EMS
// session but echoed the EMS
// extension.
test.shouldFail = true
test.expectedError = ":RESUMED_NON_EMS_SESSION_WITH_EMS_EXTENSION:"
case "YesToNo-Client":
// A client should abort a connection
// where the server didn't echo EMS
// when the session used it.
test.shouldFail = true
test.expectedError = ":RESUMED_EMS_SESSION_WITHOUT_EMS_EXTENSION:"
}
testCases = append(testCases, test)
}
}
}
// Switching EMS on renegotiation is forbidden.
testCases = append(testCases, testCase{
name: "ExtendedMasterSecret-Renego-NoEMS",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
NoExtendedMasterSecret: true,
NoExtendedMasterSecretOnRenegotiation: true,
},
},
renegotiate: 1,
flags: []string{
"-renegotiate-freely",
"-expect-total-renegotiations", "1",
},
})
testCases = append(testCases, testCase{
name: "ExtendedMasterSecret-Renego-Upgrade",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
NoExtendedMasterSecret: true,
},
},
renegotiate: 1,
flags: []string{
"-renegotiate-freely",
"-expect-total-renegotiations", "1",
},
shouldFail: true,
expectedError: ":RENEGOTIATION_EMS_MISMATCH:",
})
testCases = append(testCases, testCase{
name: "ExtendedMasterSecret-Renego-Downgrade",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
NoExtendedMasterSecretOnRenegotiation: true,
},
},
renegotiate: 1,
flags: []string{
"-renegotiate-freely",
"-expect-total-renegotiations", "1",
},
shouldFail: true,
expectedError: ":RENEGOTIATION_EMS_MISMATCH:",
})
}
type stateMachineTestConfig struct {
protocol protocol
async bool
splitHandshake, packHandshakeFlight bool
}
// Adds tests that try to cover the range of the handshake state machine, under
// various conditions. Some of these are redundant with other tests, but they
// only cover the synchronous case.
func addAllStateMachineCoverageTests() {
for _, async := range []bool{false, true} {
for _, protocol := range []protocol{tls, dtls} {
addStateMachineCoverageTests(stateMachineTestConfig{
protocol: protocol,
async: async,
})
addStateMachineCoverageTests(stateMachineTestConfig{
protocol: protocol,
async: async,
splitHandshake: true,
})
if protocol == tls {
addStateMachineCoverageTests(stateMachineTestConfig{
protocol: protocol,
async: async,
packHandshakeFlight: true,
})
}
}
}
}
func addStateMachineCoverageTests(config stateMachineTestConfig) {
var tests []testCase
// Basic handshake, with resumption. Client and server,
// session ID and session ticket.
tests = append(tests, testCase{
name: "Basic-Client",
config: Config{
MaxVersion: VersionTLS12,
},
resumeSession: true,
// Ensure session tickets are used, not session IDs.
noSessionCache: true,
})
tests = append(tests, testCase{
name: "Basic-Client-RenewTicket",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
RenewTicketOnResume: true,
},
},
flags: []string{"-expect-ticket-renewal"},
resumeSession: true,
resumeRenewedSession: true,
})
tests = append(tests, testCase{
name: "Basic-Client-NoTicket",
config: Config{
MaxVersion: VersionTLS12,
SessionTicketsDisabled: true,
},
resumeSession: true,
})
tests = append(tests, testCase{
name: "Basic-Client-Implicit",
config: Config{
MaxVersion: VersionTLS12,
},
flags: []string{"-implicit-handshake"},
resumeSession: true,
})
tests = append(tests, testCase{
testType: serverTest,
name: "Basic-Server",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
RequireSessionTickets: true,
},
},
resumeSession: true,
})
tests = append(tests, testCase{
testType: serverTest,
name: "Basic-Server-NoTickets",
config: Config{
MaxVersion: VersionTLS12,
SessionTicketsDisabled: true,
},
resumeSession: true,
})
tests = append(tests, testCase{
testType: serverTest,
name: "Basic-Server-Implicit",
config: Config{
MaxVersion: VersionTLS12,
},
flags: []string{"-implicit-handshake"},
resumeSession: true,
})
tests = append(tests, testCase{
testType: serverTest,
name: "Basic-Server-EarlyCallback",
config: Config{
MaxVersion: VersionTLS12,
},
flags: []string{"-use-early-callback"},
resumeSession: true,
})
// TLS 1.3 basic handshake shapes.
if config.protocol == tls {
tests = append(tests, testCase{
name: "TLS13-1RTT-Client",
config: Config{
MaxVersion: VersionTLS13,
MinVersion: VersionTLS13,
},
resumeSession: true,
resumeRenewedSession: true,
})
tests = append(tests, testCase{
testType: serverTest,
name: "TLS13-1RTT-Server",
config: Config{
MaxVersion: VersionTLS13,
MinVersion: VersionTLS13,
},
resumeSession: true,
resumeRenewedSession: true,
})
tests = append(tests, testCase{
name: "TLS13-HelloRetryRequest-Client",
config: Config{
MaxVersion: VersionTLS13,
MinVersion: VersionTLS13,
// P-384 requires a HelloRetryRequest against
// BoringSSL's default configuration. Assert
// that we do indeed test this with
// ExpectMissingKeyShare.
CurvePreferences: []CurveID{CurveP384},
Bugs: ProtocolBugs{
ExpectMissingKeyShare: true,
},
},
// Cover HelloRetryRequest during an ECDHE-PSK resumption.
resumeSession: true,
})
tests = append(tests, testCase{
testType: serverTest,
name: "TLS13-HelloRetryRequest-Server",
config: Config{
MaxVersion: VersionTLS13,
MinVersion: VersionTLS13,
// Require a HelloRetryRequest for every curve.
DefaultCurves: []CurveID{},
},
// Cover HelloRetryRequest during an ECDHE-PSK resumption.
resumeSession: true,
})
}
// TLS client auth.
tests = append(tests, testCase{
testType: clientTest,
name: "ClientAuth-NoCertificate-Client",
config: Config{
MaxVersion: VersionTLS12,
ClientAuth: RequestClientCert,
},
})
tests = append(tests, testCase{
testType: serverTest,
name: "ClientAuth-NoCertificate-Server",
config: Config{
MaxVersion: VersionTLS12,
},
// Setting SSL_VERIFY_PEER allows anonymous clients.
flags: []string{"-verify-peer"},
})
if config.protocol == tls {
tests = append(tests, testCase{
testType: clientTest,
name: "ClientAuth-NoCertificate-Client-SSL3",
config: Config{
MaxVersion: VersionSSL30,
ClientAuth: RequestClientCert,
},
})
tests = append(tests, testCase{
testType: serverTest,
name: "ClientAuth-NoCertificate-Server-SSL3",
config: Config{
MaxVersion: VersionSSL30,
},
// Setting SSL_VERIFY_PEER allows anonymous clients.
flags: []string{"-verify-peer"},
})
tests = append(tests, testCase{
testType: clientTest,
name: "ClientAuth-NoCertificate-Client-TLS13",
config: Config{
MaxVersion: VersionTLS13,
ClientAuth: RequestClientCert,
},
})
tests = append(tests, testCase{
testType: serverTest,
name: "ClientAuth-NoCertificate-Server-TLS13",
config: Config{
MaxVersion: VersionTLS13,
},
// Setting SSL_VERIFY_PEER allows anonymous clients.
flags: []string{"-verify-peer"},
})
}
tests = append(tests, testCase{
testType: clientTest,
name: "ClientAuth-RSA-Client",
config: Config{
MaxVersion: VersionTLS12,
ClientAuth: RequireAnyClientCert,
},
flags: []string{
"-cert-file", path.Join(*resourceDir, rsaCertificateFile),
"-key-file", path.Join(*resourceDir, rsaKeyFile),
},
})
tests = append(tests, testCase{
testType: clientTest,
name: "ClientAuth-RSA-Client-TLS13",
config: Config{
MaxVersion: VersionTLS13,
ClientAuth: RequireAnyClientCert,
},
flags: []string{
"-cert-file", path.Join(*resourceDir, rsaCertificateFile),
"-key-file", path.Join(*resourceDir, rsaKeyFile),
},
})
tests = append(tests, testCase{
testType: clientTest,
name: "ClientAuth-ECDSA-Client",
config: Config{
MaxVersion: VersionTLS12,
ClientAuth: RequireAnyClientCert,
},
flags: []string{
"-cert-file", path.Join(*resourceDir, ecdsaP256CertificateFile),
"-key-file", path.Join(*resourceDir, ecdsaP256KeyFile),
},
})
tests = append(tests, testCase{
testType: clientTest,
name: "ClientAuth-ECDSA-Client-TLS13",
config: Config{
MaxVersion: VersionTLS13,
ClientAuth: RequireAnyClientCert,
},
flags: []string{
"-cert-file", path.Join(*resourceDir, ecdsaP256CertificateFile),
"-key-file", path.Join(*resourceDir, ecdsaP256KeyFile),
},
})
tests = append(tests, testCase{
testType: clientTest,
name: "ClientAuth-NoCertificate-OldCallback",
config: Config{
MaxVersion: VersionTLS12,
ClientAuth: RequestClientCert,
},
flags: []string{"-use-old-client-cert-callback"},
})
tests = append(tests, testCase{
testType: clientTest,
name: "ClientAuth-NoCertificate-OldCallback-TLS13",
config: Config{
MaxVersion: VersionTLS13,
ClientAuth: RequestClientCert,
},
flags: []string{"-use-old-client-cert-callback"},
})
tests = append(tests, testCase{
testType: clientTest,
name: "ClientAuth-OldCallback",
config: Config{
MaxVersion: VersionTLS12,
ClientAuth: RequireAnyClientCert,
},
flags: []string{
"-cert-file", path.Join(*resourceDir, rsaCertificateFile),
"-key-file", path.Join(*resourceDir, rsaKeyFile),
"-use-old-client-cert-callback",
},
})
tests = append(tests, testCase{
testType: clientTest,
name: "ClientAuth-OldCallback-TLS13",
config: Config{
MaxVersion: VersionTLS13,
ClientAuth: RequireAnyClientCert,
},
flags: []string{
"-cert-file", path.Join(*resourceDir, rsaCertificateFile),
"-key-file", path.Join(*resourceDir, rsaKeyFile),
"-use-old-client-cert-callback",
},
})
tests = append(tests, testCase{
testType: serverTest,
name: "ClientAuth-Server",
config: Config{
MaxVersion: VersionTLS12,
Certificates: []Certificate{rsaCertificate},
},
flags: []string{"-require-any-client-certificate"},
})
tests = append(tests, testCase{
testType: serverTest,
name: "ClientAuth-Server-TLS13",
config: Config{
MaxVersion: VersionTLS13,
Certificates: []Certificate{rsaCertificate},
},
flags: []string{"-require-any-client-certificate"},
})
// Test each key exchange on the server side for async keys.
tests = append(tests, testCase{
testType: serverTest,
name: "Basic-Server-RSA",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_RSA_WITH_AES_128_GCM_SHA256},
},
flags: []string{
"-cert-file", path.Join(*resourceDir, rsaCertificateFile),
"-key-file", path.Join(*resourceDir, rsaKeyFile),
},
})
tests = append(tests, testCase{
testType: serverTest,
name: "Basic-Server-ECDHE-RSA",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
},
flags: []string{
"-cert-file", path.Join(*resourceDir, rsaCertificateFile),
"-key-file", path.Join(*resourceDir, rsaKeyFile),
},
})
tests = append(tests, testCase{
testType: serverTest,
name: "Basic-Server-ECDHE-ECDSA",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256},
},
flags: []string{
"-cert-file", path.Join(*resourceDir, ecdsaP256CertificateFile),
"-key-file", path.Join(*resourceDir, ecdsaP256KeyFile),
},
})
// No session ticket support; server doesn't send NewSessionTicket.
tests = append(tests, testCase{
name: "SessionTicketsDisabled-Client",
config: Config{
MaxVersion: VersionTLS12,
SessionTicketsDisabled: true,
},
})
tests = append(tests, testCase{
testType: serverTest,
name: "SessionTicketsDisabled-Server",
config: Config{
MaxVersion: VersionTLS12,
SessionTicketsDisabled: true,
},
})
// Skip ServerKeyExchange in PSK key exchange if there's no
// identity hint.
tests = append(tests, testCase{
name: "EmptyPSKHint-Client",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_PSK_WITH_AES_128_CBC_SHA},
PreSharedKey: []byte("secret"),
},
flags: []string{"-psk", "secret"},
})
tests = append(tests, testCase{
testType: serverTest,
name: "EmptyPSKHint-Server",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_PSK_WITH_AES_128_CBC_SHA},
PreSharedKey: []byte("secret"),
},
flags: []string{"-psk", "secret"},
})
// OCSP stapling tests.
tests = append(tests, testCase{
testType: clientTest,
name: "OCSPStapling-Client",
config: Config{
MaxVersion: VersionTLS12,
},
flags: []string{
"-enable-ocsp-stapling",
"-expect-ocsp-response",
base64.StdEncoding.EncodeToString(testOCSPResponse),
"-verify-peer",
},
resumeSession: true,
})
tests = append(tests, testCase{
testType: serverTest,
name: "OCSPStapling-Server",
config: Config{
MaxVersion: VersionTLS12,
},
expectedOCSPResponse: testOCSPResponse,
flags: []string{
"-ocsp-response",
base64.StdEncoding.EncodeToString(testOCSPResponse),
},
resumeSession: true,
})
tests = append(tests, testCase{
testType: clientTest,
name: "OCSPStapling-Client-TLS13",
config: Config{
MaxVersion: VersionTLS13,
},
flags: []string{
"-enable-ocsp-stapling",
"-expect-ocsp-response",
base64.StdEncoding.EncodeToString(testOCSPResponse),
"-verify-peer",
},
resumeSession: true,
})
tests = append(tests, testCase{
testType: serverTest,
name: "OCSPStapling-Server-TLS13",
config: Config{
MaxVersion: VersionTLS13,
},
expectedOCSPResponse: testOCSPResponse,
flags: []string{
"-ocsp-response",
base64.StdEncoding.EncodeToString(testOCSPResponse),
},
resumeSession: true,
})
// Certificate verification tests.
for _, vers := range tlsVersions {
if config.protocol == dtls && !vers.hasDTLS {
continue
}
for _, testType := range []testType{clientTest, serverTest} {
suffix := "-Client"
if testType == serverTest {
suffix = "-Server"
}
suffix += "-" + vers.name
flag := "-verify-peer"
if testType == serverTest {
flag = "-require-any-client-certificate"
}
tests = append(tests, testCase{
testType: testType,
name: "CertificateVerificationSucceed" + suffix,
config: Config{
MaxVersion: vers.version,
Certificates: []Certificate{rsaCertificate},
},
flags: []string{
flag,
"-expect-verify-result",
},
resumeSession: true,
})
tests = append(tests, testCase{
testType: testType,
name: "CertificateVerificationFail" + suffix,
config: Config{
MaxVersion: vers.version,
Certificates: []Certificate{rsaCertificate},
},
flags: []string{
flag,
"-verify-fail",
},
shouldFail: true,
expectedError: ":CERTIFICATE_VERIFY_FAILED:",
})
}
// By default, the client is in a soft fail mode where the peer
// certificate is verified but failures are non-fatal.
tests = append(tests, testCase{
testType: clientTest,
name: "CertificateVerificationSoftFail-" + vers.name,
config: Config{
MaxVersion: vers.version,
Certificates: []Certificate{rsaCertificate},
},
flags: []string{
"-verify-fail",
"-expect-verify-result",
},
resumeSession: true,
})
}
tests = append(tests, testCase{
name: "ShimSendAlert",
flags: []string{"-send-alert"},
shimWritesFirst: true,
shouldFail: true,
expectedLocalError: "remote error: decompression failure",
})
if config.protocol == tls {
tests = append(tests, testCase{
name: "Renegotiate-Client",
config: Config{
MaxVersion: VersionTLS12,
},
renegotiate: 1,
flags: []string{
"-renegotiate-freely",
"-expect-total-renegotiations", "1",
},
})
tests = append(tests, testCase{
name: "SendHalfHelloRequest",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
PackHelloRequestWithFinished: config.packHandshakeFlight,
},
},
sendHalfHelloRequest: true,
flags: []string{"-renegotiate-ignore"},
shouldFail: true,
expectedError: ":UNEXPECTED_RECORD:",
})
// NPN on client and server; results in post-handshake message.
tests = append(tests, testCase{
name: "NPN-Client",
config: Config{
MaxVersion: VersionTLS12,
NextProtos: []string{"foo"},
},
flags: []string{"-select-next-proto", "foo"},
resumeSession: true,
expectedNextProto: "foo",
expectedNextProtoType: npn,
})
tests = append(tests, testCase{
testType: serverTest,
name: "NPN-Server",
config: Config{
MaxVersion: VersionTLS12,
NextProtos: []string{"bar"},
},
flags: []string{
"-advertise-npn", "\x03foo\x03bar\x03baz",
"-expect-next-proto", "bar",
},
resumeSession: true,
expectedNextProto: "bar",
expectedNextProtoType: npn,
})
// TODO(davidben): Add tests for when False Start doesn't trigger.
// Client does False Start and negotiates NPN.
tests = append(tests, testCase{
name: "FalseStart",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
NextProtos: []string{"foo"},
Bugs: ProtocolBugs{
ExpectFalseStart: true,
},
},
flags: []string{
"-false-start",
"-select-next-proto", "foo",
},
shimWritesFirst: true,
resumeSession: true,
})
// Client does False Start and negotiates ALPN.
tests = append(tests, testCase{
name: "FalseStart-ALPN",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
NextProtos: []string{"foo"},
Bugs: ProtocolBugs{
ExpectFalseStart: true,
},
},
flags: []string{
"-false-start",
"-advertise-alpn", "\x03foo",
},
shimWritesFirst: true,
resumeSession: true,
})
// Client does False Start but doesn't explicitly call
// SSL_connect.
tests = append(tests, testCase{
name: "FalseStart-Implicit",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
NextProtos: []string{"foo"},
},
flags: []string{
"-implicit-handshake",
"-false-start",
"-advertise-alpn", "\x03foo",
},
})
// False Start without session tickets.
tests = append(tests, testCase{
name: "FalseStart-SessionTicketsDisabled",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
NextProtos: []string{"foo"},
SessionTicketsDisabled: true,
Bugs: ProtocolBugs{
ExpectFalseStart: true,
},
},
flags: []string{
"-false-start",
"-select-next-proto", "foo",
},
shimWritesFirst: true,
})
tests = append(tests, testCase{
name: "FalseStart-CECPQ1",
config: Config{
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_CECPQ1_RSA_WITH_AES_256_GCM_SHA384},
NextProtos: []string{"foo"},
Bugs: ProtocolBugs{
ExpectFalseStart: true,
},
},
flags: []string{
"-false-start",
"-cipher", "DEFAULT:kCECPQ1",
"-select-next-proto", "foo",
},
shimWritesFirst: true,
resumeSession: true,
})
// Server parses a V2ClientHello.
tests = append(tests, testCase{
testType: serverTest,
name: "SendV2ClientHello",
config: Config{
// Choose a cipher suite that does not involve
// elliptic curves, so no extensions are
// involved.
MaxVersion: VersionTLS12,
CipherSuites: []uint16{TLS_RSA_WITH_3DES_EDE_CBC_SHA},
Bugs: ProtocolBugs{
SendV2ClientHello: true,
},
},
})
// Client sends a Channel ID.
tests = append(tests, testCase{
name: "ChannelID-Client",
config: Config{
MaxVersion: VersionTLS12,
RequestChannelID: true,
},
flags: []string{"-send-channel-id", path.Join(*resourceDir, channelIDKeyFile)},
resumeSession: true,
expectChannelID: true,
})
// Server accepts a Channel ID.
tests = append(tests, testCase{
testType: serverTest,
name: "ChannelID-Server",
config: Config{
MaxVersion: VersionTLS12,
ChannelID: channelIDKey,
},
flags: []string{
"-expect-channel-id",
base64.StdEncoding.EncodeToString(channelIDBytes),
},
resumeSession: true,
expectChannelID: true,
})
// Channel ID and NPN at the same time, to ensure their relative
// ordering is correct.
tests = append(tests, testCase{
name: "ChannelID-NPN-Client",
config: Config{
MaxVersion: VersionTLS12,
RequestChannelID: true,
NextProtos: []string{"foo"},
},
flags: []string{
"-send-channel-id", path.Join(*resourceDir, channelIDKeyFile),
"-select-next-proto", "foo",
},
resumeSession: true,
expectChannelID: true,
expectedNextProto: "foo",
expectedNextProtoType: npn,
})
tests = append(tests, testCase{
testType: serverTest,
name: "ChannelID-NPN-Server",
config: Config{
MaxVersion: VersionTLS12,
ChannelID: channelIDKey,
NextProtos: []string{"bar"},
},
flags: []string{
"-expect-channel-id",
base64.StdEncoding.EncodeToString(channelIDBytes),
"-advertise-npn", "\x03foo\x03bar\x03baz",
"-expect-next-proto", "bar",
},
resumeSession: true,
expectChannelID: true,
expectedNextProto: "bar",
expectedNextProtoType: npn,
})
// Bidirectional shutdown with the runner initiating.
tests = append(tests, testCase{
name: "Shutdown-Runner",
config: Config{
Bugs: ProtocolBugs{
ExpectCloseNotify: true,
},
},
flags: []string{"-check-close-notify"},
})
// Bidirectional shutdown with the shim initiating. The runner,
// in the meantime, sends garbage before the close_notify which
// the shim must ignore.
tests = append(tests, testCase{
name: "Shutdown-Shim",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
ExpectCloseNotify: true,
},
},
shimShutsDown: true,
sendEmptyRecords: 1,
sendWarningAlerts: 1,
flags: []string{"-check-close-notify"},
})
} else {
// TODO(davidben): DTLS 1.3 will want a similar thing for
// HelloRetryRequest.
tests = append(tests, testCase{
name: "SkipHelloVerifyRequest",
config: Config{
MaxVersion: VersionTLS12,
Bugs: ProtocolBugs{
SkipHelloVerifyRequest: true,
},
},
})
}
for _, test := range tests {
test.protocol = config.protocol
if config.protocol == dtls {
test.name += "-DTLS"
}
if config.async {
test.name += "-Async"
test.flags = append(test.flags, "-async")
} else {
test.name += "-Sync"
}
if config.splitHandshake {
test.name += "-SplitHandshakeRecords"
test.config.Bugs.MaxHandshakeRecordLength = 1
if config.protocol == dtls {
test.config.Bugs.MaxPacketLength = 256
test.flags = append(test.flags, "-mtu", "256")
}
}
if config.packHandshakeFlight {
test.name += "-PackHandshakeFlight"
test.config.Bugs.PackHandshakeFlight = true
}
testCases = append(testCases, test)
}
}
func addDDoSCallbackTests() {
// DDoS callback.
for _, resume := range []bool{false, true} {
suffix := "Resume"
if resume {
suffix = "No" + suffix
}
testCases = append(testCases, testCase{
testType: serverTest,
name: "Server-DDoS-OK-" + suffix,
config: Config{
MaxVersion: VersionTLS12,
},
flags: []string{"-install-ddos-callback"},
resumeSession: resume,
})
testCases = append(testCases, testCase{
testType: serverTest,
name: "Server-DDoS-OK-" + suffix + "-TLS13",
config: Config{
MaxVersion: VersionTLS13,
},
flags: []string{"-install-ddos-callback"},
resumeSession: resume,
})
failFlag := "-fail-ddos-callback"
if resume {
failFlag = "-fail-second-ddos-callback"
}
testCases = append(testCases, testCase{
testType: serverTest,
name: "Server-DDoS-Reject-" + suffix,
config: Config{
MaxVersion: VersionTLS12,
},
flags: []string{"-install-ddos-callback", failFlag},
resumeSession: resume,
shouldFail: true,
expectedError: ":CONNECTION_REJECTED:",
expectedLocalError: "remote error: internal error",
})
testCases = append(testCases, testCase{
testType: serverTest,
name: "Server-DDoS-Reject-" + suffix + "-TLS13",
config: Config{
MaxVersion: VersionTLS13,
},
flags: []string{"-install-ddos-callback", failFlag},
resumeSession: resume,
shouldFail: true,
expectedError: ":CONNECTION_REJECTED:",
expectedLocalError: "remote error: internal error",
})
}
}
func addVersionNegotiationTests() {
for i, shimVers := range tlsVersions {
// Assemble flags to disable all newer versions on the shim.
var flags []string
for _, vers := range tlsVersions[i+1:] {
flags = append(flags, vers.flag)
}
// Test configuring the runner's maximum version.
for _, runnerVers := range tlsVersions {
protocols := []protocol{tls}
if runnerVers.hasDTLS && shimVers.hasDTLS {
protocols = append(protocols, dtls)
}
for _, protocol := range protocols {
expectedVersion := shimVers.version
if runnerVers.version < shimVers.version {
expectedVersion = runnerVers.version
}
suffix := shimVers.name + "-" + runnerVers.name
if protocol == dtls {
suffix += "-DTLS"
}
shimVersFlag := strconv.Itoa(int(versionToWire(shimVers.version, protocol == dtls)))
// Determine the expected initial record-layer versions.
clientVers := shimVers.version
if clientVers > VersionTLS10 {
clientVers = VersionTLS10
}
clientVers = versionToWire(clientVers, protocol == dtls)
serverVers := expectedVersion
if expectedVersion >= VersionTLS13 {
serverVers = VersionTLS10
}
serverVers = versionToWire(serverVers, protocol == dtls)
testCases = append(testCases, testCase{
protocol: protocol,
testType: clientTest,
name: "VersionNegotiation-Client-" + suffix,
config: Config{
MaxVersion: runnerVers.version,
Bugs: ProtocolBugs{
ExpectInitialRecordVersion: clientVers,
},
},
flags: flags,
expectedVersion: expectedVersion,
})
testCases = append(testCases, testCase{
protocol: protocol,
testType: clientTest,
name: "VersionNegotiation-Client2-" + suffix,
config: Config{
MaxVersion: runnerVers.version,
Bugs: ProtocolBugs{
ExpectInitialRecordVersion: clientVers,
},
},
flags: []string{"-max-version", shimVersFlag},
expectedVersion: expectedVersion,
})
testCases = append(testCases, testCase{
protocol: protocol,
testType: serverTest,
name: "VersionNegotiation-Server-" + suffix,
config: Config{
MaxVersion: runnerVers.version,
Bugs: ProtocolBugs{
ExpectInitialRecordVersion: serverVers,
},
},
flags: flags,
expectedVersion: expectedVersion,
})
testCases = append(testCases, testCase{
protocol: protocol,
testType: serverTest,
name: "VersionNegotiation-Server2-" + suffix,
config: Config{
MaxVersion: runnerVers.version,
Bugs: ProtocolBugs{
ExpectInitialRecordVersion: serverVers,
},
},
flags: []string{"-max-version", shimVersFlag},
expectedVersion: expectedVersion,
})
}
}
}
// Test the version extension at all versions.
for _, vers := range tlsVersions {
protocols := []protocol{tls}
if vers.hasDTLS {
protocols = append(protocols, dtls)
}
for _, protocol := range protocols {
suffix := vers.name
if protocol == dtls {
suffix += "-DTLS"
}
wireVersion := versionToWire(vers.version, protocol == dtls)
testCases = append(testCases, testCase{
protocol: protocol,
testType: serverTest,
name: "VersionNegotiationExtension-" + suffix,
config: Config{
Bugs: ProtocolBugs{
SendSupportedVersions: []uint16{0x1111, wireVersion, 0x2222},
},
},
expectedVersion: vers.version,
})
}
}
// If all versions are unknown, negotiation fails.
testCases = append(testCases, testCase{
testType: serverTest,
name: "NoSupportedVersions",
config: Config{
Bugs: ProtocolBugs{
SendSupportedVersions: []uint16{0x1111},
},
},
shouldFail: true,
expectedError: ":UNSUPPORTED_PROTOCOL:",
})
testCases = append(testCases, testCase{
protocol: dtls,
testType: serverTest,
name: "NoSupportedVersions-DTLS",
config: Config{
Bugs: ProtocolBugs{
SendSupportedVersions: []uint16{0x1111},
},
},
shouldFail: true,
expectedError: ":UNSUPPORTED_PROTOCOL:",
})
testCases = append(testCases, testCase{
testType: serverTest,
name: "ClientHelloVersionTooHigh",
config: Config{
MaxVersion: VersionTLS13,
Bugs: ProtocolBugs{
SendClientVersion: 0x0304,
OmitSupportedVersions: true,
},
},
expectedVersion: VersionTLS12,
})
testCases = append(testCases, testCase{
testType: serverTest,
name: "ConflictingVersionNegotiation",
config: Config{
Bugs: ProtocolBugs{
SendClientVersion: VersionTLS12,
SendSupportedVersions: []uint16{VersionTLS11},
},
},
// The extension takes precedence over the ClientHello version.
expectedVersion: VersionTLS11,
})
testCases = append(testCases, testCase{
testType: serverTest,
name: "ConflictingVersionNegotiation-2",
config: Config{
Bugs: ProtocolBugs{
SendClientVersion: VersionTLS11,
SendSupportedVersions: []uint16{VersionTLS12},
},
},
// The extension takes precedence over the ClientHello version.
expectedVersion: VersionTLS12,
})
testCases = append(testCases, testCase{
testType: serverTest,
name: "RejectFinalTLS13",
config: Config{
Bugs: ProtocolBugs{