Subversion Repositories Programming Utils

Rev

Blame | Last modification | View Log | RSS feed

/*
 * 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.sshd.server.global;

import org.apache.sshd.common.RequestHandler;
import org.apache.sshd.common.SshConstants;
import org.apache.sshd.common.SshdSocketAddress;
import org.apache.sshd.common.session.ConnectionService;
import org.apache.sshd.common.util.Buffer;

/**
 * Handler for cancel-tcpip-forward global request.
 *
 * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
 */

public class CancelTcpipForwardHandler implements RequestHandler<ConnectionService> {

    public Result process(ConnectionService connectionService, String request, boolean wantReply, Buffer buffer) throws Exception {
        if (request.equals("cancel-tcpip-forward")) {
            String address = buffer.getString();
            int port = buffer.getInt();
            connectionService.getTcpipForwarder().localPortForwardingCancelled(new SshdSocketAddress(address, port));
            if (wantReply){
                buffer = connectionService.getSession().createBuffer(SshConstants.SSH_MSG_REQUEST_SUCCESS);
                buffer.putInt(port);
                connectionService.getSession().writePacket(buffer);
            }
            return Result.Replied;
        }
        return Result.Unsupported;
    }

}