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// **********************************************************************
//
// Copyright (c) 2003-2006 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
package IceSSL;
final class SslConnector implements IceInternal.Connector
{
private static class ConnectThread extends Thread
{
ConnectThread(javax.net.ssl.SSLContext ctx, java.net.InetSocketAddress addr)
{
_ctx = ctx;
_addr = addr;
}
public void
run()
{
try
{
javax.net.SocketFactory factory = _ctx.getSocketFactory();
javax.net.ssl.SSLSocket fd =
(javax.net.ssl.SSLSocket)factory.createSocket(_addr.getAddress(), _addr.getPort());
synchronized(this)
{
_fd = fd;
notifyAll();
}
}
catch(java.io.IOException ex)
{
synchronized(this)
{
_ex = ex;
notifyAll();
}
}
}
javax.net.ssl.SSLSocket
getFd(int timeout)
throws java.io.IOException
{
javax.net.ssl.SSLSocket fd = null;
synchronized(this)
{
while(_fd == null && _ex == null)
{
try
{
wait(timeout);
break;
}
catch(InterruptedException ex)
{
continue;
}
}
if(_ex != null)
{
throw _ex;
}
fd = _fd;
_fd = null;
}
return fd;
}
private javax.net.ssl.SSLContext _ctx;
private java.net.InetSocketAddress _addr;
private javax.net.ssl.SSLSocket _fd;
private java.io.IOException _ex;
}
private static class HandshakeThread extends Thread
{
HandshakeThread(javax.net.ssl.SSLSocket fd)
{
_fd = fd;
_ok = false;
}
public void
run()
{
try
{
_fd.startHandshake();
synchronized(this)
{
_ok = true;
notifyAll();
}
}
catch(java.io.IOException ex)
{
synchronized(this)
{
_ex = ex;
notifyAll();
}
}
}
boolean
waitForHandshake(int timeout)
throws java.io.IOException
{
boolean result = false;
synchronized(this)
{
while(!_ok && _ex == null)
{
try
{
wait(timeout);
break;
}
catch(InterruptedException ex)
{
continue;
}
}
if(_ex != null)
{
throw _ex;
}
result = _ok;
}
return result;
}
private javax.net.ssl.SSLSocket _fd;
private boolean _ok;
private java.io.IOException _ex;
}
public IceInternal.Transceiver
connect(int timeout)
{
if(_instance.networkTraceLevel() >= 2)
{
String s = "trying to establish ssl connection to " + toString();
_logger.trace(_instance.networkTraceCategory(), s);
}
javax.net.ssl.SSLSocket fd = null;
try
{
//
// If a connect timeout is specified, do the connect in a separate thread.
//
if(timeout >= 0)
{
ConnectThread ct = new ConnectThread(_ctx.sslContext(), _addr);
ct.start();
fd = ct.getFd(timeout == 0 ? 1 : timeout);
if(fd == null)
{
throw new Ice.ConnectTimeoutException();
}
}
else
{
javax.net.SocketFactory factory = _ctx.sslContext().getSocketFactory();
fd = (javax.net.ssl.SSLSocket)factory.createSocket(_addr.getAddress(), _addr.getPort());
}
fd.setUseClientMode(true);
String[] cipherSuites = _ctx.filterCiphers(fd.getSupportedCipherSuites(), fd.getEnabledCipherSuites());
if(_instance.securityTraceLevel() > 0)
{
StringBuffer s = new StringBuffer();
s.append("enabling ciphersuites for ssl socket\n" + IceInternal.Network.fdToString(fd) + ":");
for(int i = 0; i < cipherSuites.length; ++i)
{
s.append("\n " + cipherSuites[i]);
}
_logger.trace(_instance.securityTraceCategory(), s.toString());
}
fd.setEnabledCipherSuites(cipherSuites);
//
// If a connect timeout is specified, do the SSL handshake in a separate thread.
//
if(timeout >= 0)
{
HandshakeThread ht = new HandshakeThread(fd);
ht.start();
if(!ht.waitForHandshake(timeout == 0 ? 1 : timeout))
{
throw new Ice.ConnectTimeoutException();
}
}
else
{
fd.startHandshake();
}
}
catch(java.net.ConnectException ex)
{
if(fd != null)
{
try
{
fd.close();
}
catch(java.io.IOException e)
{
}
}
Ice.ConnectFailedException se;
if(IceInternal.Network.connectionRefused(ex))
{
se = new Ice.ConnectionRefusedException();
}
else
{
se = new Ice.ConnectFailedException();
}
se.initCause(ex);
throw se;
}
catch(java.io.IOException ex)
{
if(fd != null)
{
try
{
fd.close();
}
catch(java.io.IOException e)
{
}
}
Ice.SocketException e = new Ice.SocketException();
e.initCause(ex);
throw e;
}
catch(RuntimeException ex)
{
if(fd != null)
{
try
{
fd.close();
}
catch(java.io.IOException e)
{
}
}
throw ex;
}
if(_instance.networkTraceLevel() >= 1)
{
String s = "ssl connection established\n" + IceInternal.Network.fdToString(fd);
_logger.trace(_instance.networkTraceCategory(), s);
}
return new SslTransceiver(_instance, fd);
}
public String
toString()
{
return IceInternal.Network.addrToString(_addr);
}
//
// Only for use by SslEndpoint
//
SslConnector(Instance instance, String host, int port)
{
_instance = instance;
_ctx = instance.clientContext();
_logger = instance.communicator().getLogger();
_addr = IceInternal.Network.getAddress(host, port);
}
private Instance _instance;
private Context _ctx;
private Ice.Logger _logger;
private java.net.InetSocketAddress _addr;
}
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