public void close()
{
try
{
if(ins!=null)ins.close();
if(outs!=null)outs.close();
if(socket!=null)socket.close();
}
catch(Exception e)
{
}
ins=null;
outs=null;
socket=null;
}
public void connect(SocketFactory socket_factory, String host, int port, int timeout)
{
try
{
if(socket_factory==null)
{
socket=Util.createSocket(proxy_host, proxy_port, timeout);
ins= new JStream(socket.getInputStream());
outs=new JStream(socket.getOutputStream());
}
else
{
socket=socket_factory.createSocket(proxy_host, proxy_port);
ins=new JStream(socket_factory.getInputStream(socket));
outs=new JStream(socket_factory.getOutputStream(socket));
}
if(timeout>0)
{
socket.setSoTimeout(timeout);
}
socket.setTcpNoDelay(true);
outs.write(new String("CONNECT "+host+":"+port+" HTTP/1.0\r\n").getBytes());
if(user!=null && passwd!=null)
{
byte[] _code=(user+":"+passwd).getBytes();
_code=Util.toBase64(_code, 0, _code.Length);
outs.write(new String("Proxy-Authorization: Basic ").getBytes());
outs.write(_code);
outs.write(new String("\r\n").getBytes());
}
outs.write(new String("\r\n").getBytes());
outs.flush();
int foo=0;
StringBuffer sb=new StringBuffer();
while(foo>=0)
{
foo=ins.read(); if(foo!=13){sb.append((char)foo); continue;}
foo=ins.read(); if(foo!=10){continue;}
break;
}
if(foo<0)
{
throw new System.IO.IOException();
}
String response=sb.toString();
String reason="Unknow reason";
int code=-1;
try
{
foo=response.indexOf(' ');
int bar=response.indexOf(' ', foo+1);
code=Integer.parseInt(response.substring(foo+1, bar));
reason=response.substring(bar+1);
}
catch(Exception e)
{
}
if(code!=200)
{
throw new System.IO.IOException("proxy error: "+reason);
}
/*
while(foo>=0){
foo=in.read(); if(foo!=13) continue;
foo=in.read(); if(foo!=10) continue;
foo=in.read(); if(foo!=13) continue;
foo=in.read(); if(foo!=10) continue;
break;
}
*/
int count=0;
while(true)
{
count=0;
while(foo>=0)
{
foo=ins.read(); if(foo!=13){count++; continue;}
foo=ins.read(); if(foo!=10){continue;}
break;
}
if(foo<0)
{
throw new System.IO.IOException();
}
if(count==0)break;
}
}
catch(RuntimeException e)
{
throw e;
}
catch(Exception e)
{
try{ if(socket!=null)socket.close(); }
catch(Exception eee)
{
}
String message="ProxyHTTP: "+e.toString();
throw e;
}
}
/*
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);
if (connectThread != null)
{
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();
}
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]; SharpSSH.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];
SharpSSH.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);
}
}
