311 lines
8.1 KiB
C#
311 lines
8.1 KiB
C#
using System;
|
|
using System.IO;
|
|
using Tamir.SharpSsh.java.util;
|
|
using Tamir.SharpSsh.java.net;
|
|
using Tamir.SharpSsh.java.lang;
|
|
using Str = Tamir.SharpSsh.java.String;
|
|
|
|
namespace Tamir.SharpSsh.jsch
|
|
{
|
|
/* -*-mode:java; c-basic-offset:2; -*- */
|
|
/*
|
|
Copyright (c) 2002,2003,2004 ymnk, JCraft,Inc. All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in
|
|
the documentation and/or other materials provided with the distribution.
|
|
|
|
3. The names of the authors may not be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
|
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT,
|
|
INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
|
|
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
|
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
public class ChannelForwardedTCPIP : Channel
|
|
{
|
|
|
|
internal static java.util.Vector pool=new java.util.Vector();
|
|
|
|
// static private final int LOCAL_WINDOW_SIZE_MAX=0x20000;
|
|
static private int LOCAL_WINDOW_SIZE_MAX=0x100000;
|
|
static private int LOCAL_MAXIMUM_PACKET_SIZE=0x4000;
|
|
|
|
internal SocketFactory factory=null;
|
|
internal String target;
|
|
internal int lport;
|
|
internal int rport;
|
|
|
|
internal ChannelForwardedTCPIP() : base()
|
|
{
|
|
setLocalWindowSizeMax(LOCAL_WINDOW_SIZE_MAX);
|
|
setLocalWindowSize(LOCAL_WINDOW_SIZE_MAX);
|
|
setLocalPacketSize(LOCAL_MAXIMUM_PACKET_SIZE);
|
|
}
|
|
|
|
public override void init ()
|
|
{
|
|
try
|
|
{
|
|
io=new IO();
|
|
if(lport==-1)
|
|
{
|
|
Class c=Class.forName(target);
|
|
ForwardedTCPIPDaemon daemon=(ForwardedTCPIPDaemon)c.newInstance();
|
|
daemon.setChannel(this);
|
|
Object[] foo=getPort(session, rport);
|
|
daemon.setArg((Object[])foo[3]);
|
|
new Thread(daemon).start();
|
|
connected=true;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
Socket socket=(factory==null) ?
|
|
new Socket(target, lport) :
|
|
factory.createSocket(target, lport);
|
|
socket.setTcpNoDelay(true);
|
|
io.setInputStream(socket.getInputStream());
|
|
io.setOutputStream(socket.getOutputStream());
|
|
connected=true;
|
|
}
|
|
}
|
|
catch(Exception e)
|
|
{
|
|
Console.WriteLine("target={0},port={1}",target,lport);
|
|
Console.WriteLine(e);
|
|
}
|
|
}
|
|
|
|
public override void run()
|
|
{
|
|
thread=Thread.currentThread();
|
|
Buffer buf=new Buffer(rmpsize);
|
|
Packet packet=new Packet(buf);
|
|
int i=0;
|
|
try
|
|
{
|
|
while(thread!=null && io!=null && io.ins!=null)
|
|
{
|
|
i=io.ins.Read(buf.buffer,
|
|
14,
|
|
buf.buffer.Length-14
|
|
-32 -20 // padding and mac
|
|
);
|
|
if(i<=0)
|
|
{
|
|
eof();
|
|
break;
|
|
}
|
|
packet.reset();
|
|
if(_close)break;
|
|
buf.putByte((byte)Session.SSH_MSG_CHANNEL_DATA);
|
|
buf.putInt(recipient);
|
|
buf.putInt(i);
|
|
buf.skip(i);
|
|
session.write(packet, this, i);
|
|
}
|
|
}
|
|
catch(Exception e)
|
|
{
|
|
//System.out.println(e);
|
|
}
|
|
|
|
//thread=null;
|
|
//eof();
|
|
disconnect();
|
|
}
|
|
internal override void getData(Buffer buf)
|
|
{
|
|
setRecipient(buf.getInt());
|
|
setRemoteWindowSize(buf.getInt());
|
|
setRemotePacketSize(buf.getInt());
|
|
byte[] addr=buf.getString();
|
|
int port=buf.getInt();
|
|
byte[] orgaddr=buf.getString();
|
|
int orgport=buf.getInt();
|
|
|
|
/*
|
|
System.out.println("addr: "+new String(addr));
|
|
System.out.println("port: "+port);
|
|
System.out.println("orgaddr: "+new String(orgaddr));
|
|
System.out.println("orgport: "+orgport);
|
|
*/
|
|
|
|
lock(pool)
|
|
{
|
|
for(int i=0; i<pool.size(); i++)
|
|
{
|
|
Object[] foo=(Object[])(pool.elementAt(i));
|
|
if(foo[0]!=session) continue;
|
|
if(((Integer)foo[1]).intValue()!=port) continue;
|
|
this.rport=port;
|
|
this.target=(String)foo[2];
|
|
if(foo[3]==null || (foo[3] is Object[])){ this.lport=-1; }
|
|
else{ this.lport=((Integer)foo[3]).intValue(); }
|
|
if(foo.Length>=5)
|
|
{
|
|
this.factory=((SocketFactory)foo[4]);
|
|
}
|
|
break;
|
|
}
|
|
if(target==null)
|
|
{
|
|
Console.WriteLine("??");
|
|
}
|
|
}
|
|
}
|
|
|
|
internal static Object[] getPort(Session session, int rport)
|
|
{
|
|
lock(pool)
|
|
{
|
|
for(int i=0; i<pool.size(); i++)
|
|
{
|
|
Object[] bar=(Object[])(pool.elementAt(i));
|
|
if(bar[0]!=session) continue;
|
|
if(((Integer)bar[1]).intValue()!=rport) continue;
|
|
return bar;
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
|
|
internal static String[] getPortForwarding(Session session)
|
|
{
|
|
java.util.Vector foo=new java.util.Vector();
|
|
lock(pool)
|
|
{
|
|
for(int i=0; i<pool.size(); i++)
|
|
{
|
|
Object[] bar=(Object[])(pool.elementAt(i));
|
|
if(bar[0]!=session) continue;
|
|
if(bar[3]==null){ foo.addElement(bar[1]+":"+bar[2]+":"); }
|
|
else{ foo.addElement(bar[1]+":"+bar[2]+":"+bar[3]); }
|
|
}
|
|
}
|
|
String[] bar2=new String[foo.size()];
|
|
for(int i=0; i<foo.size(); i++)
|
|
{
|
|
bar2[i]=(String)(foo.elementAt(i));
|
|
}
|
|
return bar2;
|
|
}
|
|
|
|
internal static void addPort(Session session, int port, String target, int lport, SocketFactory factory)
|
|
{
|
|
lock(pool)
|
|
{
|
|
if(getPort(session, port)!=null)
|
|
{
|
|
throw new JSchException("PortForwardingR: remote port "+port+" is already registered.");
|
|
}
|
|
Object[] foo=new Object[5];
|
|
foo[0]=session; foo[1]=new Integer(port);
|
|
foo[2]=target; foo[3]=new Integer(lport);
|
|
foo[4]=factory;
|
|
pool.addElement(foo);
|
|
}
|
|
}
|
|
internal static void addPort(Session session, int port, String daemon, Object[] arg)
|
|
{
|
|
lock(pool)
|
|
{
|
|
if(getPort(session, port)!=null)
|
|
{
|
|
throw new JSchException("PortForwardingR: remote port "+port+" is already registered.");
|
|
}
|
|
Object[] foo=new Object[4];
|
|
foo[0]=session; foo[1]=new Integer(port);
|
|
foo[2]=daemon; foo[3]=arg;
|
|
pool.addElement(foo);
|
|
}
|
|
}
|
|
internal static void delPort(ChannelForwardedTCPIP c)
|
|
{
|
|
delPort(c.session, c.rport);
|
|
}
|
|
internal static void delPort(Session session, int rport)
|
|
{
|
|
lock(pool)
|
|
{
|
|
Object[] foo=null;
|
|
for(int i=0; i<pool.size(); i++)
|
|
{
|
|
Object[] bar=(Object[])(pool.elementAt(i));
|
|
if(bar[0]!=session) continue;
|
|
if(((Integer)bar[1]).intValue()!=rport) continue;
|
|
foo=bar;
|
|
break;
|
|
}
|
|
if(foo==null)return;
|
|
pool.removeElement(foo);
|
|
}
|
|
|
|
Buffer buf=new Buffer(100); // ??
|
|
Packet packet=new Packet(buf);
|
|
|
|
try
|
|
{
|
|
// byte SSH_MSG_GLOBAL_REQUEST 80
|
|
// string "cancel-tcpip-forward"
|
|
// boolean want_reply
|
|
// string address_to_bind (e.g. "127.0.0.1")
|
|
// uint32 port number to bind
|
|
packet.reset();
|
|
buf.putByte((byte) 80/*SSH_MSG_GLOBAL_REQUEST*/);
|
|
buf.putString(new Str("cancel-tcpip-forward").getBytes());
|
|
buf.putByte((byte)0);
|
|
buf.putString(new Str("0.0.0.0").getBytes());
|
|
buf.putInt(rport);
|
|
session.write(packet);
|
|
}
|
|
catch(Exception e)
|
|
{
|
|
// throw new JSchException(e.toString());
|
|
}
|
|
}
|
|
internal static void delPort(Session session)
|
|
{
|
|
int[] rport=null;
|
|
int count=0;
|
|
lock(pool)
|
|
{
|
|
rport=new int[pool.size()];
|
|
for(int i=0; i<pool.size(); i++)
|
|
{
|
|
Object[] bar=(Object[])(pool.elementAt(i));
|
|
if(bar[0]==session)
|
|
{
|
|
rport[count++]=((Integer)bar[1]).intValue();
|
|
}
|
|
}
|
|
}
|
|
for(int i=0; i<count; i++)
|
|
{
|
|
delPort(session, rport[i]);
|
|
}
|
|
}
|
|
public int getRemotePort(){return rport;}
|
|
void setSocketFactory(SocketFactory factory)
|
|
{
|
|
this.factory=factory;
|
|
}
|
|
}
|
|
|
|
}
|