RequestX11.java

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/* -*-mode:java; c-basic-offset:2; indent-tabs-mode:nil -*- */
/*
Copyright (c) 2002-2011 ymnk, JCraft,Inc. All rights reserved.

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     the documentation and/or other materials provided with the distribution.

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     derived from this software without specific prior written permission.

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package com.jcraft.jsch;

class RequestX11 extends Request{
  public void setCookie(String cookie){
    ChannelX11.cookie=Util.str2byte(cookie);
  }
  public void request(Session session, Channel channel) throws Exception{
    super.request(session, channel);

    Buffer buf=new Buffer();
    Packet packet=new Packet(buf);

    // byte      SSH_MSG_CHANNEL_REQUEST(98)
    // uint32 recipient channel
    // string request type        // "x11-req"
    // boolean want reply         // 0
    // boolean   single connection
    // string    x11 authentication protocol // "MIT-MAGIC-COOKIE-1".
    // string    x11 authentication cookie
    // uint32    x11 screen number
    packet.reset();
    buf.putByte((byte) Session.SSH_MSG_CHANNEL_REQUEST);
    buf.putInt(channel.getRecipient());
    buf.putString(Util.str2byte("x11-req"));
    buf.putByte((byte)(waitForReply() ? 1 : 0));
    buf.putByte((byte)0);
    buf.putString(Util.str2byte("MIT-MAGIC-COOKIE-1"));
    buf.putString(ChannelX11.getFakedCookie(session));
    buf.putInt(0);
    write(packet);

    session.x11_forwarding=true;
  }
}