/*
* SSHTools - Java SSH2 API
*
* Copyright (C) 2002-2003 Lee David Painter and Contributors.
*
* Contributions made by:
*
* Brett Smith
* Richard Pernavas
* Erwin Bolwidt
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package com.sshtools.j2ssh.agent;
import com.sshtools.j2ssh.connection.InvalidChannelException;
import com.sshtools.j2ssh.connection.SocketChannel;
import com.sshtools.j2ssh.io.ByteArrayWriter;
import java.io.IOException;
import java.net.InetAddress;
/**
*
*
* @author $author$
* @version $Revision: 1.11 $
*/
public class AgentSocketChannel extends SocketChannel {
/** */
public static final String AGENT_FORWARDING_CHANNEL = "auth-agent";
//protected Socket socket = null;
private boolean isForwarding;
/**
* Creates a new AgentSocketChannel object.
*
* @param isForwarding
*/
public AgentSocketChannel(boolean isForwarding) {
this.isForwarding = isForwarding;
}
/**
*
*
* @return
*/
public String getChannelType() {
return AGENT_FORWARDING_CHANNEL;
}
/*public void bindSocket(Socket socket) throws IOException {
this.socket = socket;
if (state.getValue() == ChannelState.CHANNEL_OPEN) {
bindInputStream(socket.getInputStream());
bindOutputStream(socket.getOutputStream());
}
}*/
protected void onChannelRequest(String requestType, boolean wantReply,
byte[] requestData) throws java.io.IOException {
if (wantReply) {
connection.sendChannelRequestFailure(this);
}
}
/**
*
*
* @return
*/
protected int getMaximumPacketSize() {
return 32678;
}
/*protected void onChannelClose() throws java.io.IOException {
}
protected void onChannelEOF() throws IOException {
}*/
public byte[] getChannelOpenData() {
return null;
}
/**
*
*
* @return
*/
protected int getMinimumWindowSpace() {
return 1024;
}
/**
*
*
* @throws com.sshtools.j2ssh.connection.InvalidChannelException DOCUMENT
* ME!
* @throws InvalidChannelException
*/
protected void onChannelOpen()
throws com.sshtools.j2ssh.connection.InvalidChannelException {
try {
//if (socket != null) {
if (isForwarding) {
// Were forwarding so insert the forwarding notice before any other data
SshAgentForwardingNotice msg = new SshAgentForwardingNotice(InetAddress.getLocalHost()
.getHostName(),
InetAddress.getLocalHost().getHostAddress(),
socket.getPort());
ByteArrayWriter baw = new ByteArrayWriter();
baw.writeBinaryString(msg.toByteArray());
sendChannelData(baw.toByteArray());
}
super.onChannelOpen();
// Now bind the socket to the channel
// bindInputStream(socket.getInputStream());
// bindOutputStream(socket.getOutputStream());
//}
} catch (IOException ex) {
throw new InvalidChannelException(ex.getMessage());
}
}
/**
*
*
* @return
*/
protected int getMaximumWindowSpace() {
return 32768;
}
/**
*
*
* @return
*/
public byte[] getChannelConfirmationData() {
return null;
}
}