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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.server.handler;
import javax.security.sasl.SaslException;
import javax.security.sasl.SaslServer;
import org.apache.log4j.Logger;
import org.apache.qpid.AMQException;
import org.apache.qpid.framing.AMQFrame;
import org.apache.qpid.framing.ConnectionCloseBody;
import org.apache.qpid.framing.ConnectionSecureBody;
import org.apache.qpid.framing.ConnectionSecureOkBody;
import org.apache.qpid.framing.ConnectionTuneBody;
import org.apache.qpid.protocol.AMQConstant;
import org.apache.qpid.protocol.AMQMethodEvent;
import org.apache.qpid.server.protocol.AMQProtocolSession;
import org.apache.qpid.server.protocol.HeartbeatConfig;
import org.apache.qpid.server.registry.ApplicationRegistry;
import org.apache.qpid.server.security.auth.AuthenticationManager;
import org.apache.qpid.server.security.auth.AuthenticationResult;
import org.apache.qpid.server.state.AMQState;
import org.apache.qpid.server.state.AMQStateManager;
import org.apache.qpid.server.state.StateAwareMethodListener;
public class ConnectionSecureOkMethodHandler implements StateAwareMethodListener<ConnectionSecureOkBody>
{
private static final Logger _logger = Logger.getLogger(ConnectionSecureOkMethodHandler.class);
private static ConnectionSecureOkMethodHandler _instance = new ConnectionSecureOkMethodHandler();
public static ConnectionSecureOkMethodHandler getInstance()
{
return _instance;
}
private ConnectionSecureOkMethodHandler()
{
}
public void methodReceived(AMQStateManager stateManager, AMQMethodEvent<ConnectionSecureOkBody> evt) throws AMQException
{
AMQProtocolSession session = stateManager.getProtocolSession();
ConnectionSecureOkBody body = evt.getMethod();
AuthenticationManager authMgr = ApplicationRegistry.getInstance().getAuthenticationManager();
SaslServer ss = session.getSaslServer();
if (ss == null)
{
throw new AMQException("No SASL context set up in session");
}
AuthenticationResult authResult = authMgr.authenticate(ss, body.response);
switch (authResult.status)
{
case ERROR:
// Can't do this as we violate protocol. Need to send Close
// throw new AMQException(AMQConstant.NOT_ALLOWED.getCode(), AMQConstant.NOT_ALLOWED.getName());
_logger.info("Authentication failed");
stateManager.changeState(AMQState.CONNECTION_CLOSING);
// AMQP version change: Hardwire the version to 0-8 (major=8, minor=0)
// TODO: Connect this to the session version obtained from ProtocolInitiation for this session.
// Be aware of possible changes to parameter order as versions change.
AMQFrame close = ConnectionCloseBody.createAMQFrame(0,
(byte)8, (byte)0, // AMQP version (major, minor)
ConnectionCloseBody.getClazz((byte)8, (byte)0), // classId
ConnectionCloseBody.getMethod((byte)8, (byte)0), // methodId
AMQConstant.NOT_ALLOWED.getCode(), // replyCode
AMQConstant.NOT_ALLOWED.getName()); // replyText
session.writeFrame(close);
disposeSaslServer(session);
break;
case SUCCESS:
_logger.info("Connected as: " + ss.getAuthorizationID());
stateManager.changeState(AMQState.CONNECTION_NOT_TUNED);
// TODO: Check the value of channelMax here: This should be the max
// value of a 2-byte unsigned integer (as channel is only 2 bytes on the wire),
// not Integer.MAX_VALUE (which is signed 4 bytes).
// AMQP version change: Hardwire the version to 0-8 (major=8, minor=0)
// TODO: Connect this to the session version obtained from ProtocolInitiation for this session.
// Be aware of possible changes to parameter order as versions change.
AMQFrame tune = ConnectionTuneBody.createAMQFrame(0,
(byte)8, (byte)0, // AMQP version (major, minor)
Integer.MAX_VALUE, // channelMax
ConnectionStartOkMethodHandler.getConfiguredFrameSize(), // frameMax
HeartbeatConfig.getInstance().getDelay()); // heartbeat
session.writeFrame(tune);
disposeSaslServer(session);
break;
case CONTINUE:
stateManager.changeState(AMQState.CONNECTION_NOT_AUTH);
// AMQP version change: Hardwire the version to 0-8 (major=8, minor=0)
// TODO: Connect this to the session version obtained from ProtocolInitiation for this session.
// Be aware of possible changes to parameter order as versions change.
AMQFrame challenge = ConnectionSecureBody.createAMQFrame(0,
(byte)8, (byte)0, // AMQP version (major, minor)
authResult.challenge); // challenge
session.writeFrame(challenge);
}
}
private void disposeSaslServer(AMQProtocolSession ps)
{
SaslServer ss = ps.getSaslServer();
if (ss != null)
{
ps.setSaslServer(null);
try
{
ss.dispose();
}
catch (SaslException e)
{
_logger.error("Error disposing of Sasl server: " + e);
}
}
}
}
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