/**
* Starts an SSL / TLS handshake for the specified channel.
*
* @return a {@link ChannelFuture} which is notified when the handshake succeeds or fails.
*/
public ChannelFuture handshake() {
if (handshaken && !isEnableRenegotiation()) {
throw new IllegalStateException("renegotiation disabled");
}
ChannelHandlerContext ctx = this.ctx;
Channel channel = ctx.getChannel();
ChannelFuture handshakeFuture;
synchronized (handshakeLock) {
if (handshaking) {
return this.handshakeFuture;
} else {
handshaking = true;
try {
engine.beginHandshake();
runDelegatedTasks();
handshakeFuture = this.handshakeFuture = future(channel);
} catch (SSLException e) {
handshakeFuture = this.handshakeFuture = failedFuture(channel, e);
}
}
}
try {
wrapNonAppData(ctx, channel);
} catch (SSLException e) {
handshakeFuture.setFailure(e);
}
return handshakeFuture;
}
@Test
public void testGentleCloseDuringHandshake() throws Exception {
InetSocketAddress address = startServer(version, null);
SslContextFactory sslContextFactory = newSslContextFactory();
sslContextFactory.start();
SSLEngine sslEngine = sslContextFactory.newSSLEngine(address);
sslEngine.setUseClientMode(true);
NextProtoNego.put(
sslEngine,
new NextProtoNego.ClientProvider() {
@Override
public boolean supports() {
return true;
}
@Override
public void unsupported() {}
@Override
public String selectProtocol(List<String> protocols) {
return null;
}
});
sslEngine.beginHandshake();
ByteBuffer encrypted = ByteBuffer.allocate(sslEngine.getSession().getPacketBufferSize());
sslEngine.wrap(BufferUtil.EMPTY_BUFFER, encrypted);
encrypted.flip();
try (SocketChannel channel = SocketChannel.open(address)) {
// Send ClientHello, immediately followed by TLS Close Alert and then by FIN
channel.write(encrypted);
sslEngine.closeOutbound();
encrypted.clear();
sslEngine.wrap(BufferUtil.EMPTY_BUFFER, encrypted);
encrypted.flip();
channel.write(encrypted);
channel.shutdownOutput();
// Read ServerHello from server
encrypted.clear();
int read = channel.read(encrypted);
encrypted.flip();
Assert.assertTrue(read > 0);
// Cannot decrypt, as the SSLEngine has been already closed
// Now if we read more, we should either read the TLS Close Alert, or directly -1
encrypted.clear();
read = channel.read(encrypted);
// Sending a TLS Close Alert during handshake results in an exception when
// unwrapping that the server react to by closing the connection abruptly.
Assert.assertTrue(read < 0);
}
}
public SSLHandler(SSLEngine engine, SocketChannel channle, Selector selector)
throws SSLException {
this.engine = engine;
this.channel = channle;
this.selector = selector;
this.appSendBuffer = ByteBuffer.allocate(engine.getSession().getApplicationBufferSize());
this.netSendBuffer = ByteBuffer.allocate(engine.getSession().getPacketBufferSize());
this.appRecvBuffer = ByteBuffer.allocate(engine.getSession().getApplicationBufferSize());
this.netRecvBuffer = ByteBuffer.allocate(engine.getSession().getPacketBufferSize());
engine.beginHandshake();
}
@Override
public void onOpen() {
try {
// Begin the handshake
_sslEngine.beginHandshake();
super.onOpen();
getDecryptedEndPoint().getConnection().onOpen();
} catch (SSLException x) {
getEndPoint().close();
throw new RuntimeIOException(x);
}
}
@Test
public void testAbruptCloseDuringHandshake() throws Exception {
InetSocketAddress address = startServer(version, null);
SslContextFactory sslContextFactory = newSslContextFactory();
sslContextFactory.start();
SSLEngine sslEngine = sslContextFactory.newSSLEngine(address);
sslEngine.setUseClientMode(true);
NextProtoNego.put(
sslEngine,
new NextProtoNego.ClientProvider() {
@Override
public boolean supports() {
return true;
}
@Override
public void unsupported() {}
@Override
public String selectProtocol(List<String> protocols) {
return null;
}
});
sslEngine.beginHandshake();
ByteBuffer encrypted = ByteBuffer.allocate(sslEngine.getSession().getPacketBufferSize());
sslEngine.wrap(BufferUtil.EMPTY_BUFFER, encrypted);
encrypted.flip();
try (SocketChannel channel = SocketChannel.open(address)) {
// Send ClientHello, immediately followed by FIN (no TLS Close Alert)
channel.write(encrypted);
channel.shutdownOutput();
// Read ServerHello from server
encrypted.clear();
int read = channel.read(encrypted);
encrypted.flip();
Assert.assertTrue(read > 0);
ByteBuffer decrypted = ByteBuffer.allocate(sslEngine.getSession().getApplicationBufferSize());
sslEngine.unwrap(encrypted, decrypted);
// Now if we read more, we should either read the TLS Close Alert, or directly -1
encrypted.clear();
read = channel.read(encrypted);
// Since we have close the connection abruptly, the server also does so
Assert.assertTrue(read < 0);
}
}
private synchronized SSLEngine newSslEngine(SocketChannel channel) throws IOException {
SslContextFactory sslContextFactory = _httpClient.getSslContextFactory();
SSLEngine sslEngine;
if (channel != null) {
String peerHost = channel.socket().getInetAddress().getHostAddress();
int peerPort = channel.socket().getPort();
sslEngine = sslContextFactory.newSslEngine(peerHost, peerPort);
} else {
sslEngine = sslContextFactory.newSslEngine();
}
sslEngine.setUseClientMode(true);
sslEngine.beginHandshake();
return sslEngine;
}
private Future<Channel> handshake() {
final ScheduledFuture<?> timeoutFuture;
if (handshakeTimeoutMillis > 0) {
timeoutFuture =
ctx.executor()
.schedule(
new Runnable() {
@Override
public void run() {
if (handshakePromise.isDone()) {
return;
}
notifyHandshakeFailure(HANDSHAKE_TIMED_OUT);
}
},
handshakeTimeoutMillis,
TimeUnit.MILLISECONDS);
} else {
timeoutFuture = null;
}
handshakePromise.addListener(
new GenericFutureListener<Future<Channel>>() {
@Override
public void operationComplete(Future<Channel> f) throws Exception {
if (timeoutFuture != null) {
timeoutFuture.cancel(false);
}
}
});
try {
engine.beginHandshake();
wrapNonAppData(ctx, false);
ctx.flush();
} catch (Exception e) {
notifyHandshakeFailure(e);
}
return handshakePromise;
}
/**
* Execute a handshake with the client socket channel
*
* @throws Exception
*/
private void doHandshake() throws Exception {
SSLSession session = getSSLSession();
int packetBufferSize = Math.max(session.getPacketBufferSize(), MIN_BUFFER_SIZE);
// Create byte buffers to use for holding application data
initBuffers(packetBufferSize);
ByteBuffer clientNetData = ByteBuffer.allocateDirect(packetBufferSize);
ByteBuffer clientAppData = ByteBuffer.allocateDirect(packetBufferSize);
// Begin handshake
sslEngine.beginHandshake();
handshakeStatus = sslEngine.getHandshakeStatus();
int i = 1;
boolean read = true;
// Process handshaking message
while (!handshakeComplete) {
switch (handshakeStatus) {
case NEED_UNWRAP:
int nBytes = 0;
if (read) {
clientAppData.clear();
nBytes = this.channel.read(this.netInBuffer).get();
}
if (nBytes < 0) {
throw new IOException(MESSAGES.errorUnwrappingHandshake());
} else {
boolean cont = false;
// Loop while we can perform pure SSLEngine data
do {
// Prepare the buffer with the incoming data
this.netInBuffer.flip();
// Call unwrap
SSLEngineResult res = sslEngine.unwrap(this.netInBuffer, clientAppData);
// Compact the buffer, this is an optional method,
// wonder what would happen if we didn't
this.netInBuffer.compact();
// Read in the status
handshakeStatus = res.getHandshakeStatus();
if (res.getStatus() == SSLEngineResult.Status.OK) {
// Execute tasks if we need to
tryTasks();
read = true;
} else if (res.getStatus() == Status.BUFFER_UNDERFLOW) {
read = true;
} else if (res.getStatus() == Status.BUFFER_OVERFLOW) {
ByteBuffer tmp = ByteBuffer.allocateDirect(packetBufferSize * (++i));
if (clientAppData.position() > 0) {
clientAppData.flip();
}
tmp.put(clientAppData);
clientAppData = tmp;
read = false;
}
// Perform another unwrap?
cont =
res.getStatus() == SSLEngineResult.Status.OK
&& handshakeStatus == HandshakeStatus.NEED_UNWRAP;
} while (cont);
}
break;
case NEED_WRAP:
clientNetData.compact();
this.netOutBuffer.clear();
SSLEngineResult res = sslEngine.wrap(clientNetData, this.netOutBuffer);
handshakeStatus = res.getHandshakeStatus();
this.netOutBuffer.flip();
if (res.getStatus() == Status.OK) {
// Execute tasks if we need to
tryTasks();
// Send the handshaking data to client
while (this.netOutBuffer.hasRemaining()) {
if (this.channel.write(this.netOutBuffer).get() < 0) {
// Handle closed channel
throw new IOException(MESSAGES.errorWrappingHandshake());
}
}
} else {
// Wrap should always work with our buffers
throw new IOException(
MESSAGES.errorWrappingHandshakeStatus(res.getStatus().toString()));
}
break;
case NEED_TASK:
handshakeStatus = tasks();
break;
case NOT_HANDSHAKING:
throw new SSLHandshakeException(MESSAGES.notHandshaking());
case FINISHED:
handshakeComplete = true;
break;
}
}
this.handshakeComplete = (handshakeStatus == HandshakeStatus.FINISHED);
}
private void handshake() throws IOException {
if (handshakeCompleted) {
return;
}
if (DEBUG) {
log("Starting handshake...");
}
synchronized (this) {
if (handshakeCompleted) {
if (DEBUG) {
log("Handshake already completed...");
}
return;
}
int counter = 0;
if (DEBUG) {
log("Begin handshake");
}
sslEngine.beginHandshake();
writeInternal(emptyBuffer);
while (counter++ < 250
&& sslEngineResult.getHandshakeStatus() != SSLEngineResult.HandshakeStatus.FINISHED) {
if (DEBUG) {
log("Handshake status: " + sslEngineResult.getHandshakeStatus());
}
if (sslEngineResult.getHandshakeStatus() == SSLEngineResult.HandshakeStatus.NEED_UNWRAP) {
if (DEBUG) {
log("Begin UNWRAP");
}
netInBuffer.clear();
while (socketChannel.read(netInBuffer) < 1) {
try {
if (DEBUG) {
log("Spinning on channel read...");
}
Thread.sleep(50);
} catch (InterruptedException e) {
throw new IOException(e);
}
}
netInBuffer.flip();
unwrap(netInBuffer);
if (DEBUG) {
log("Done UNWRAP: " + sslEngineResult.getHandshakeStatus());
}
if (sslEngineResult.getHandshakeStatus() != SSLEngineResult.HandshakeStatus.FINISHED) {
emptyBuffer.clear();
writeInternal(emptyBuffer);
if (DEBUG) {
log("Done WRAP after UNWRAP: " + sslEngineResult.getHandshakeStatus());
}
}
} else if (sslEngineResult.getHandshakeStatus()
== SSLEngineResult.HandshakeStatus.NEED_WRAP) {
if (DEBUG) {
log("Begin WRAP");
}
emptyBuffer.clear();
writeInternal(emptyBuffer);
if (DEBUG) {
log("Done WRAP: " + sslEngineResult.getHandshakeStatus());
}
} else {
try {
if (DEBUG) {
log("Sleeping... Status: " + sslEngineResult.getHandshakeStatus());
}
Thread.sleep(500);
} catch (InterruptedException e) {
throw new IOException(e);
}
}
}
if (sslEngineResult.getHandshakeStatus() != SSLEngineResult.HandshakeStatus.FINISHED) {
throw new SSLHandshakeException(
"SSL handshake failed after "
+ counter
+ " trials! -> "
+ sslEngineResult.getHandshakeStatus());
}
if (DEBUG) {
log("Handshake completed!");
}
in.clear();
in.flip();
handshakeCompleted = true;
}
}
/**
* Performs TLS (re)negotiation.
*
* @param newHandshakePromise if {@code null}, use the existing {@link #handshakePromise},
* assuming that the current negotiation has not been finished. Currently, {@code null} is
* expected only for the initial handshake.
*/
private void handshake(final Promise<Channel> newHandshakePromise) {
final Promise<Channel> p;
if (newHandshakePromise != null) {
final Promise<Channel> oldHandshakePromise = handshakePromise;
if (!oldHandshakePromise.isDone()) {
// There's no need to handshake because handshake is in progress already.
// Merge the new promise into the old one.
oldHandshakePromise.addListener(
new FutureListener<Channel>() {
@Override
public void operationComplete(Future<Channel> future) throws Exception {
if (future.isSuccess()) {
newHandshakePromise.setSuccess(future.getNow());
} else {
newHandshakePromise.setFailure(future.cause());
}
}
});
return;
}
handshakePromise = p = newHandshakePromise;
} else {
// Forced to reuse the old handshake.
p = handshakePromise;
assert !p.isDone();
}
// Begin handshake.
final ChannelHandlerContext ctx = this.ctx;
try {
engine.beginHandshake();
wrapNonAppData(ctx, false);
ctx.flush();
} catch (Exception e) {
notifyHandshakeFailure(e);
}
// Set timeout if necessary.
final long handshakeTimeoutMillis = this.handshakeTimeoutMillis;
if (handshakeTimeoutMillis <= 0 || p.isDone()) {
return;
}
final ScheduledFuture<?> timeoutFuture =
ctx.executor()
.schedule(
new Runnable() {
@Override
public void run() {
if (p.isDone()) {
return;
}
notifyHandshakeFailure(HANDSHAKE_TIMED_OUT);
}
},
handshakeTimeoutMillis,
TimeUnit.MILLISECONDS);
// Cancel the handshake timeout when handshake is finished.
p.addListener(
new FutureListener<Channel>() {
@Override
public void operationComplete(Future<Channel> f) throws Exception {
timeoutFuture.cancel(false);
}
});
}
/**
* Does the handshake of the two specified engines according to the {@code mode} specified.
*
* @param clientEngine - Client SSLEngine.
* @param serverEngine - Server SSLEngine.
* @param maxPacketSize - Maximum packet size for MFLN of zero for no limit.
* @param mode - Handshake mode according to {@link HandshakeMode} enum.
* @param enableReplicatedPacks - Set {@code true} to enable replicated packet sending.
* @throws SSLException - thrown on engine errors.
*/
public static void doHandshake(
SSLEngine clientEngine,
SSLEngine serverEngine,
int maxPacketSize,
HandshakeMode mode,
boolean enableReplicatedPacks)
throws SSLException {
System.out.println("=============================================");
System.out.println("Starting handshake " + mode.name());
int loop = 0;
if (maxPacketSize < 0) {
throw new Error("Test issue: maxPacketSize is less than zero!");
}
SSLParameters params = clientEngine.getSSLParameters();
params.setMaximumPacketSize(maxPacketSize);
clientEngine.setSSLParameters(params);
params = serverEngine.getSSLParameters();
params.setMaximumPacketSize(maxPacketSize);
serverEngine.setSSLParameters(params);
SSLEngine firstEngine;
SSLEngine secondEngine;
switch (mode) {
case INITIAL_HANDSHAKE:
firstEngine = clientEngine;
secondEngine = serverEngine;
doUnwrapForNotHandshakingStatus = false;
clientEngine.beginHandshake();
serverEngine.beginHandshake();
break;
case REHANDSHAKE_BEGIN_CLIENT:
firstEngine = clientEngine;
secondEngine = serverEngine;
doUnwrapForNotHandshakingStatus = true;
clientEngine.beginHandshake();
break;
case REHANDSHAKE_BEGIN_SERVER:
firstEngine = serverEngine;
secondEngine = clientEngine;
doUnwrapForNotHandshakingStatus = true;
serverEngine.beginHandshake();
break;
default:
throw new Error("Test issue: unknown handshake mode");
}
endHandshakeLoop = false;
while (!endHandshakeLoop) {
if (++loop > MAX_HANDSHAKE_LOOPS) {
throw new Error("Too much loops for handshaking");
}
System.out.println("============================================");
System.out.println("Handshake loop " + loop + ": round 1");
System.out.println("==========================");
handshakeProcess(firstEngine, secondEngine, maxPacketSize, enableReplicatedPacks);
if (endHandshakeLoop) {
break;
}
System.out.println("Handshake loop " + loop + ": round 2");
System.out.println("==========================");
handshakeProcess(secondEngine, firstEngine, maxPacketSize, enableReplicatedPacks);
}
}
void beginHandshake() throws SSLException {
_engine.beginHandshake();
}
@Test
public void testTcpClose() throws Exception {
// This test replaces SSLSocket() with a very manual SSL client
// so we can close TCP underneath SSL.
SocketChannel client = SocketChannel.open(_connector.socket().getLocalSocketAddress());
client.socket().setSoTimeout(500);
SocketChannel server = _connector.accept();
server.configureBlocking(false);
_manager.accept(server);
SSLEngine engine = __sslCtxFactory.newSSLEngine();
engine.setUseClientMode(true);
engine.beginHandshake();
ByteBuffer appOut = ByteBuffer.allocate(engine.getSession().getApplicationBufferSize());
ByteBuffer sslOut = ByteBuffer.allocate(engine.getSession().getPacketBufferSize() * 2);
ByteBuffer appIn = ByteBuffer.allocate(engine.getSession().getApplicationBufferSize());
ByteBuffer sslIn = ByteBuffer.allocate(engine.getSession().getPacketBufferSize() * 2);
boolean debug = false;
if (debug) System.err.println(engine.getHandshakeStatus());
int loop = 20;
while (engine.getHandshakeStatus() != HandshakeStatus.NOT_HANDSHAKING) {
if (--loop == 0) throw new IllegalStateException();
if (engine.getHandshakeStatus() == HandshakeStatus.NEED_WRAP) {
if (debug)
System.err.printf(
"sslOut %d-%d-%d%n", sslOut.position(), sslOut.limit(), sslOut.capacity());
if (debug)
System.err.printf(
"appOut %d-%d-%d%n", appOut.position(), appOut.limit(), appOut.capacity());
SSLEngineResult result = engine.wrap(appOut, sslOut);
if (debug) System.err.println(result);
sslOut.flip();
int flushed = client.write(sslOut);
if (debug) System.err.println("out=" + flushed);
sslOut.clear();
}
if (engine.getHandshakeStatus() == HandshakeStatus.NEED_UNWRAP) {
if (debug)
System.err.printf("sslIn %d-%d-%d%n", sslIn.position(), sslIn.limit(), sslIn.capacity());
if (sslIn.position() == 0) {
int filled = client.read(sslIn);
if (debug) System.err.println("in=" + filled);
}
sslIn.flip();
if (debug)
System.err.printf("sslIn %d-%d-%d%n", sslIn.position(), sslIn.limit(), sslIn.capacity());
SSLEngineResult result = engine.unwrap(sslIn, appIn);
if (debug) System.err.println(result);
if (debug)
System.err.printf("sslIn %d-%d-%d%n", sslIn.position(), sslIn.limit(), sslIn.capacity());
if (sslIn.hasRemaining()) sslIn.compact();
else sslIn.clear();
if (debug)
System.err.printf("sslIn %d-%d-%d%n", sslIn.position(), sslIn.limit(), sslIn.capacity());
}
if (engine.getHandshakeStatus() == HandshakeStatus.NEED_TASK) {
Runnable task;
while ((task = engine.getDelegatedTask()) != null) task.run();
if (debug) System.err.println(engine.getHandshakeStatus());
}
}
if (debug) System.err.println("\nSay Hello");
// write a message
appOut.put("HelloWorld".getBytes(StandardCharsets.UTF_8));
appOut.flip();
SSLEngineResult result = engine.wrap(appOut, sslOut);
if (debug) System.err.println(result);
sslOut.flip();
int flushed = client.write(sslOut);
if (debug) System.err.println("out=" + flushed);
sslOut.clear();
appOut.clear();
// read the response
int filled = client.read(sslIn);
if (debug) System.err.println("in=" + filled);
sslIn.flip();
result = engine.unwrap(sslIn, appIn);
if (debug) System.err.println(result);
if (sslIn.hasRemaining()) sslIn.compact();
else sslIn.clear();
appIn.flip();
String reply = new String(appIn.array(), appIn.arrayOffset(), appIn.remaining());
appIn.clear();
Assert.assertEquals("HelloWorld", reply);
if (debug) System.err.println("Shutting down output");
client.socket().shutdownOutput();
filled = client.read(sslIn);
if (debug) System.err.println("in=" + filled);
if (filled >= 0) {
// this is the old behaviour.
sslIn.flip();
try {
// Since the client closed abruptly, the server is sending a close alert with a failure
engine.unwrap(sslIn, appIn);
Assert.fail();
} catch (SSLException x) {
// Expected
}
}
sslIn.clear();
filled = client.read(sslIn);
Assert.assertEquals(-1, filled);
Assert.assertFalse(server.isOpen());
}
@Test
public void checkSslEngineBehaviour() throws Exception {
SSLEngine server = __sslCtxFactory.newSSLEngine();
SSLEngine client = __sslCtxFactory.newSSLEngine();
ByteBuffer netC2S = ByteBuffer.allocate(server.getSession().getPacketBufferSize());
ByteBuffer netS2C = ByteBuffer.allocate(server.getSession().getPacketBufferSize());
ByteBuffer serverIn = ByteBuffer.allocate(server.getSession().getApplicationBufferSize());
ByteBuffer serverOut = ByteBuffer.allocate(server.getSession().getApplicationBufferSize());
ByteBuffer clientIn = ByteBuffer.allocate(client.getSession().getApplicationBufferSize());
SSLEngineResult result;
// start the client
client.setUseClientMode(true);
client.beginHandshake();
Assert.assertEquals(HandshakeStatus.NEED_WRAP, client.getHandshakeStatus());
// what if we try an unwrap?
netS2C.flip();
result = client.unwrap(netS2C, clientIn);
// unwrap is a noop
assertEquals(SSLEngineResult.Status.OK, result.getStatus());
assertEquals(0, result.bytesConsumed());
assertEquals(0, result.bytesProduced());
assertEquals(HandshakeStatus.NEED_WRAP, result.getHandshakeStatus());
netS2C.clear();
// do the needed WRAP of empty buffer
result = client.wrap(BufferUtil.EMPTY_BUFFER, netC2S);
// unwrap is a noop
assertEquals(SSLEngineResult.Status.OK, result.getStatus());
assertEquals(0, result.bytesConsumed());
assertThat(result.bytesProduced(), greaterThan(0));
assertEquals(HandshakeStatus.NEED_UNWRAP, result.getHandshakeStatus());
netC2S.flip();
assertEquals(netC2S.remaining(), result.bytesProduced());
// start the server
server.setUseClientMode(false);
server.beginHandshake();
Assert.assertEquals(HandshakeStatus.NEED_UNWRAP, server.getHandshakeStatus());
// what if we try a needless wrap?
serverOut.put(BufferUtil.toBuffer("Hello World"));
serverOut.flip();
result = server.wrap(serverOut, netS2C);
// wrap is a noop
assertEquals(SSLEngineResult.Status.OK, result.getStatus());
assertEquals(0, result.bytesConsumed());
assertEquals(0, result.bytesProduced());
assertEquals(HandshakeStatus.NEED_UNWRAP, result.getHandshakeStatus());
// Do the needed unwrap, to an empty buffer
result = server.unwrap(netC2S, BufferUtil.EMPTY_BUFFER);
assertEquals(SSLEngineResult.Status.BUFFER_OVERFLOW, result.getStatus());
assertEquals(0, result.bytesConsumed());
assertEquals(0, result.bytesProduced());
assertEquals(HandshakeStatus.NEED_UNWRAP, result.getHandshakeStatus());
// Do the needed unwrap, to a full buffer
serverIn.position(serverIn.limit());
result = server.unwrap(netC2S, serverIn);
assertEquals(SSLEngineResult.Status.BUFFER_OVERFLOW, result.getStatus());
assertEquals(0, result.bytesConsumed());
assertEquals(0, result.bytesProduced());
assertEquals(HandshakeStatus.NEED_UNWRAP, result.getHandshakeStatus());
// Do the needed unwrap, to an empty buffer
serverIn.clear();
result = server.unwrap(netC2S, serverIn);
assertEquals(SSLEngineResult.Status.OK, result.getStatus());
assertThat(result.bytesConsumed(), greaterThan(0));
assertEquals(0, result.bytesProduced());
assertEquals(HandshakeStatus.NEED_TASK, result.getHandshakeStatus());
server.getDelegatedTask().run();
assertEquals(HandshakeStatus.NEED_WRAP, server.getHandshakeStatus());
}
