Exemplo n.º 1
0
		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);
			}
		}
Exemplo n.º 2
0
		public override void init ()
		{
			try
			{ 
				io=new IO();
			}
			catch(Exception e)
			{
				Console.WriteLine(e);
			}
		}
Exemplo n.º 3
0
		public override void init ()
		{
			try
			{ 
				io=new IO();
				if(lport==-1)
				{
					ForwardedTCPIPDaemon daemon = (ForwardedTCPIPDaemon)Activator.CreateInstance(Type.GetType(target));
					daemon.setChannel(this);
					Object[] foo=getPort(session, rport);
					daemon.setArg((Object[])foo[3]);
					new System.Threading.Thread(daemon.run).Start();
					connected=true;
					return;
				}
				else
				{
					Socket socket;

					if (factory == null)
					{
						var ep = new IPEndPoint(Dns.GetHostEntry(target).AddressList[0], lport);
						socket = new Socket(ep.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
						socket.Connect(ep);
					}
					else
					{
						socket = factory.createSocket(target, lport);
					}

					socket.NoDelay = true;

					io.setInputStream(new NetworkStream(socket));
					io.setOutputStream(new NetworkStream(socket));
					connected=true;
				}
			}
			catch(Exception e)
			{
				Console.WriteLine("target={0},port={1}",target,lport);
				Console.WriteLine(e);
			}
		}
Exemplo n.º 4
0
        internal ChannelX11()
            : base()
        {
            setLocalWindowSizeMax(LOCAL_WINDOW_SIZE_MAX);
            setLocalWindowSize(LOCAL_WINDOW_SIZE_MAX);
            setLocalPacketSize(LOCAL_MAXIMUM_PACKET_SIZE);

            type=Util.getBytes("x11");
            try
            {
                IPEndPoint ep = new IPEndPoint(Dns.GetHostByName(host).AddressList[0], port);
                socket=new Socket(ep.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
                socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.NoDelay, 1);
                socket.Connect(ep);
                io=new IO();
                NetworkStream ns = new NetworkStream( socket );
                io.setInputStream(ns);
                io.setOutputStream(ns);
            }
            catch(Exception e)
            {
                Console.WriteLine(e);
            }
        }
Exemplo n.º 5
0
		/*
		public void finalize() throws Throwable{
		  disconnect();
		  jsch=null;
		}
		*/

		public void disconnect()
		{
			if(!_isConnected) return;

			//System.Console.WriteLine(this+": disconnect");
			//Thread.dumpStack();
			/*
			for(int i=0; i<Channel.pool.size(); i++){
			  try{
				Channel c=((Channel)(Channel.pool.elementAt(i)));
			if(c.session==this) c.eof();
			  }
			  catch(Exception e){
			  }
			}
			*/

			Channel.disconnect(this);

			_isConnected=false;

			PortWatcher.delPort(this);
			ChannelForwardedTCPIP.delPort(this);

			lock(connectThread)
			{
				connectThread.yield();
				connectThread.interrupt();
				connectThread=null;
			}
			thread=null;
			try
			{
				if(io!=null)
				{
					if(io.ins!=null) io.ins.Close();
					if(io.outs!=null) io.outs.Close();
					if(io.outs_ext!=null) io.outs_ext.Close();
				}
				if(proxy==null)
				{
					if(socket!=null)
						socket.close();
				}
				else
				{
					lock(proxy)
					{
						proxy.close();
					}
					proxy=null;
				}
			}
			catch(Exception e)
			{
				//      e.printStackTrace();
			}
			io=null;
			socket=null;
			//    lock(jsch.pool){
			//      jsch.pool.removeElement(this);
			//    }

			jsch.removeSession(this);

			//System.gc();
		}
Exemplo n.º 6
0
		public void connect(int connectTimeout) 
		{
			if(_isConnected)
			{
				throw new JSchException("session is already connected");
			}
			io=new IO();
			if(random==null)
			{
				try
				{
					Class c=Class.forName(getConfig("random"));
					random=(Random)(c.newInstance());
				}
				catch(Exception e)
				{
					System.Console.Error.WriteLine("connect: random "+e);
				}
			}
			Packet.setRandom(random);

			try	
			{
				int i, j;
				int pad=0;

				if(proxy==null)
				{
					proxy=jsch.getProxy(host);
					if(proxy!=null)
					{
						lock(proxy)
						{
							proxy.close();
						}
					}
				}

				if(proxy==null)
				{
					Stream In;
					Stream Out;
					if(socket_factory==null)
					{
						socket=Util.createSocket(host, port, connectTimeout);
						In=socket.getInputStream();
						Out=socket.getOutputStream();
					}
					else
					{
						socket=socket_factory.createSocket(host, port);
						In=socket_factory.getInputStream(socket);
						Out=socket_factory.getOutputStream(socket);
					}
					//if(timeout>0){ socket.setSoTimeout(timeout); }
					socket.setTcpNoDelay(true);
					io.setInputStream(In);
					io.setOutputStream(Out);
				}
				else
				{
					lock(proxy)
					{
						proxy.connect(socket_factory, host, port, connectTimeout);
						io.setInputStream(proxy.getInputStream());
						io.setOutputStream(proxy.getOutputStream());
						socket=proxy.getSocket();
					}
				}

				if(connectTimeout>0 && socket!=null)
				{
					socket.setSoTimeout(connectTimeout);
				}

				_isConnected=true;

				while(true)
				{

					i=0;
					j=0;
					while(i<buf.buffer.Length)
					{
						j=io.getByte();
						if(j<0)break;
						buf.buffer[i]=(byte)j; i++;
						if(j==10)break;
					}
					if(j<0)
					{
						throw new JSchException("connection is closed by foreign host");
					}

					if(buf.buffer[i-1]==10)
					{    // 0x0a
						i--;
						if(buf.buffer[i-1]==13)
						{  // 0x0d
							i--;
						}
					}

					if(i>4 && (i!=buf.buffer.Length) &&
						(buf.buffer[0]!='S'||buf.buffer[1]!='S'||
						buf.buffer[2]!='H'||buf.buffer[3]!='-'))
					{
						//System.err.println(new String(buf.buffer, 0, i);
						continue;
					}

					if(i==buf.buffer.Length ||
						i<7 ||                                      // SSH-1.99 or SSH-2.0
						(buf.buffer[4]=='1' && buf.buffer[6]!='9')  // SSH-1.5
						)
					{
						throw new JSchException("invalid server's version String");
					}
					break;
				}				

				V_S=new byte[i]; Tamir.SharpSsh.java.System.arraycopy(buf.buffer, 0, V_S, 0, i);
				//System.Console.WriteLine("V_S: ("+i+") ["+new String(V_S)+"]");

				//io.put(V_C, 0, V_C.Length); io.put("\n".getBytes(), 0, 1);
			{
				// Some Cisco devices will miss to read '\n' if it is sent separately.
				byte[] foo=new byte[V_C.Length+1];
				Tamir.SharpSsh.java.System.arraycopy(V_C, 0, foo, 0, V_C.Length);
				foo[foo.Length-1]=(byte)'\n';
				io.put(foo, 0, foo.Length);
			}

				buf=read(buf);
				//System.Console.WriteLine("read: 20 ? "+buf.buffer[5]);
				if(buf.buffer[5]!=SSH_MSG_KEXINIT)
				{
					throw new JSchException("invalid protocol: "+buf.buffer[5]);
				}
				KeyExchange kex=receive_kexinit(buf);

				while(true)
				{
					buf=read(buf);
					if(kex.getState()==buf.buffer[5])
					{
						bool result=kex.next(buf);
						if(!result)
						{
							//System.Console.WriteLine("verify: "+result);
							in_kex=false;
							throw new JSchException("verify: "+result);
						}
					}
					else
					{
						in_kex=false;
						throw new JSchException("invalid protocol(kex): "+buf.buffer[5]);
					}
					if(kex.getState()==KeyExchange.STATE_END)
					{
						break;
					}
				}

				try{ checkHost(host, kex); }
				catch(JSchException ee)
				{
					in_kex=false;
					throw ee;
				}

				send_newkeys();

				// receive SSH_MSG_NEWKEYS(21)
				buf=read(buf);
				//System.Console.WriteLine("read: 21 ? "+buf.buffer[5]);
				if(buf.buffer[5]==SSH_MSG_NEWKEYS)
				{
					receive_newkeys(buf, kex);
				}
				else
				{
					in_kex=false;
					throw new JSchException("invalid protocol(newkyes): "+buf.buffer[5]);
				}

				bool auth=false;
				bool auth_cancel=false;

				UserAuthNone usn=new UserAuthNone(userinfo);
				auth=usn.start(this);

				String methods=null;
				if(!auth)
				{
					methods=usn.getMethods();
					if(methods!=null)
					{
						methods=methods.toLowerCase();
					}
					else
					{
						// methods: publickey,password,keyboard-interactive
						methods="publickey,password,keyboard-interactive";
					}
				}

			loop:
				while(true)
				{

					//System.Console.WriteLine("methods: "+methods);

					while(!auth &&
						methods!=null && methods.Length()>0)
					{

						//System.Console.WriteLine("  methods: "+methods);

						UserAuth us=null;
						if(methods.startsWith("publickey"))
						{
							//System.Console.WriteLine("   jsch.identities.size()="+jsch.identities.size());
							lock(jsch.identities)
							{
								if(jsch.identities.size()>0)
								{
									us=new UserAuthPublicKey(userinfo);
								}
							}
						}
						else if(methods.startsWith("keyboard-interactive"))
						{
							if(userinfo is UIKeyboardInteractive)
							{
								us=new UserAuthKeyboardInteractive(userinfo);
							}
						}
						else if(methods.startsWith("password"))
						{
							us=new UserAuthPassword(userinfo);
						}
						if(us!=null)
						{
							try
							{
								auth=us.start(this);
								auth_cancel=false;
							}
							catch(JSchAuthCancelException ee)
							{
								//System.Console.WriteLine(ee);
								auth_cancel=true;
							}
							catch(JSchPartialAuthException ee)
							{
								methods=ee.getMethods();
								//System.Console.WriteLine("PartialAuth: "+methods);
								auth_cancel=false;
								continue;//loop;
							}
							catch(RuntimeException ee)
							{
								throw ee;
							}
							catch(Exception ee)
							{
								System.Console.WriteLine("ee: "+ee); // SSH_MSG_DISCONNECT: 2 Too many authentication failures
							}
						}
						if(!auth)
						{
							int comma=methods.indexOf(",");
							if(comma==-1) break;
							methods=methods.subString(comma+1);
						}
					}
					break;
				}

				if(connectTimeout>0 || timeout>0)
				{
					socket.setSoTimeout(timeout);
				}

				if(auth)
				{
					isAuthed=true;
					connectThread=new Thread(this);
					connectThread.setName("Connect thread "+host+" session");
					connectThread.start();
					return;
				}
				if(auth_cancel)
					throw new JSchException("Auth cancel");
				throw new JSchException("Auth fail");
			}
			catch(Exception e) 
			{
				in_kex=false;
				if(_isConnected)
				{
					try
					{
						packet.reset();
						buf.putByte((byte)SSH_MSG_DISCONNECT);
						buf.putInt(3);
						buf.putString(new String(e.ToString()).getBytes());
						buf.putString(new String("en").getBytes());
						write(packet);
						disconnect();
					}
					catch(Exception ee)
					{
					}
				}
				_isConnected=false;
				//e.printStackTrace();
				if(e is RuntimeException) throw (RuntimeException)e;
				if(e is JSchException) throw (JSchException)e;
				throw new JSchException("Session.connect: "+e);
			}
		}
Exemplo n.º 7
0
		public ChannelSession():base()
		{
			type=_session;
			io=new IO();
		}
Exemplo n.º 8
0
		/*
		public void finalize() throws Throwable{
		  disconnect();
		  super.finalize();
		  session=null;
		}
		*/

		public virtual void disconnect()
		{
			//System.Out.println(this+":disconnect "+io+" "+io.in);
			if(!connected)
			{
				return;
			}
			connected=false;

			close();

			_eof_remote=eof_local=true;

			thread=null;

			try
			{
				if(io!=null)
				{
					io.close();
				}
			}
			catch(Exception e)
			{
				//e.printStackTrace();
			}
			io=null;
			Channel.del(this);
		}
Exemplo n.º 9
0
 public ChannelSession() : base()
 {
     type = _session;
     io   = new IO();
 }
Exemplo n.º 10
0
        public virtual void disconnect()
        {
            //System.out.println(this+":disconnect "+((ChannelExec)this).command+" "+io.in);
            //System.out.println(this+":disconnect "+io+" "+io.in);
            close();
            //System.out.println("$1");

            thread=null;
            try{
              if(io!=null){
            try{
              //System.out.println(" io.in="+io.in);
              if(io.ins!=null &&
             (io.ins is PassiveInputStream)
             )
            io.ins.Close();
            }
            catch{}
            try{
              //System.out.println(" io.out="+io.out);
              if(io.outs!=null &&
             (io.outs is PassiveOutputStream)
             )
            io.outs.Close();
            }
            catch{}
              }
            }
            catch{
              //e.printStackTrace();
            }
            //System.out.println("$2");
            io=null;
            Channel.del(this);
        }
Exemplo n.º 11
0
        public void disconnect()
        {
            if(!isConnected) return;
            isConnected=false;
            try
            {
                //socket.close();
            }
            catch
            {

            }
            //Console.WritLine(this+": disconnect");
            //Thread.dumpStack();
            /*
            for(int i=0; i<Channel.pool.size(); i++){
            try{
                Channel c=((Channel)(Channel.pool.elementAt(i)));
            if(c.session==this) c.eof();
            }
            catch(Exception e){
            }
            }
            */

            Channel.eof(this);

            PortWatcher.delPort(this);
            ChannelForwardedTCPIP.delPort(this);

            connectThread.Interrupt();
            //connectThread.yield();
            connectThread=null;

            thread=null;
            try
            {
                if(io!=null)
                {
                    if(io.ins!=null) io.ins.Close();
                    if(io.outs!=null) io.outs.Close();
                }
                if(proxy==null)
                {
                    if(socket!=null)
                        socket.Close();
                }
                else
                {
                    lock(proxy)
                    {
                        proxy.close();
                    }
                    proxy=null;
                }
            }
            catch
            {
                //      e.printStackTrace();
            }
            io=null;
            socket=null;
            lock(jsch.pool)
            {
                jsch.pool.Remove(this);
            }
            System.GC.Collect();
        }
Exemplo n.º 12
0
        private byte[] V_S; // server version

        #endregion Fields

        #region Constructors

        internal Session(JSch jsch)
        {
            this.jsch=jsch;
            buf=new Buffer();
            packet=new Packet(buf);
            io=new IO();
        }
 public override void init()
 {
     try
     {
         IPEndPoint ep = new IPEndPoint(Dns.GetHostByName(host).AddressList[0], lport);
         Socket socket = new Socket(ep.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
         socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.NoDelay, 1);
         socket.Connect(ep);
         io=new IO();
         NetworkStream ns = new NetworkStream( socket );
         io.setInputStream( ns );
         io.setOutputStream( ns );
     }
     catch(Exception e)
     {
         Console.WriteLine(e);
     }
 }
Exemplo n.º 14
0
 internal ChannelSession()
     : base()
 {
     type=_session;
     io=new IO();
 }