public void request(Session session, Channel channel) { Buffer buf=new Buffer(); Packet packet=new Packet(buf); bool reply=waitForReply(); if(reply) { channel.reply=-1; } packet.reset(); buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST); buf.putInt(channel.getRecipient()); buf.putString(Util.getBytes("subsystem")); buf.putByte((byte)(waitForReply() ? 1 : 0)); buf.putString(Util.getBytes("sftp")); session.write(packet); if(reply) { while(channel.reply==-1) { try{System.Threading.Thread.Sleep(10);} catch//(Exception ee) { } } if(channel.reply==0) { throw new JSchException("failed to send sftp request"); } } }
public void request(Session session, Channel channel) { Buffer buf=new Buffer(); Packet packet=new Packet(buf); packet.reset(); buf.putByte((byte) Session.SSH_MSG_CHANNEL_REQUEST); buf.putInt(channel.getRecipient()); buf.putString(Util.getBytes("pty-req")); buf.putByte((byte)(waitForReply() ? 1 : 0)); buf.putString(Util.getBytes("vt100")); buf.putInt(80); buf.putInt(24); buf.putInt(640); buf.putInt(480); buf.putString(Util.getBytes("")); session.write(packet); }
public void request(Session session, Channel 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.getBytes("x11-req")); buf.putByte((byte)(waitForReply() ? 1 : 0)); buf.putByte((byte)0); buf.putString(Util.getBytes("MIT-MAGIC-COOKIE-1")); buf.putString(ChannelX11.getFakedCookie(session)); buf.putInt(0); session.write(packet); }
public void request(Session session, Channel channel) { Buffer buf=new Buffer(); Packet packet=new Packet(buf); //byte SSH_MSG_CHANNEL_REQUEST //uint32 recipient_channel //string "window-change" //boolean FALSE //uint32 terminal width, columns //uint32 terminal height, rows //uint32 terminal width, pixels //uint32 terminal height, pixels packet.reset(); buf.putByte((byte) Session.SSH_MSG_CHANNEL_REQUEST); buf.putInt(channel.getRecipient()); buf.putString(Util.getBytes("window-change")); buf.putByte((byte)(waitForReply() ? 1 : 0)); buf.putInt(width_columns); buf.putInt(height_rows); buf.putInt(width_pixels); buf.putInt(height_pixels); session.write(packet); }
public void request(Session session, Channel channel) { Buffer buf=new Buffer(); Packet packet=new Packet(buf); // send // byte SSH_MSG_CHANNEL_REQUEST(98) // uint32 recipient channel // string request type // "shell" // boolean want reply // 0 packet.reset(); buf.putByte((byte) Session.SSH_MSG_CHANNEL_REQUEST); buf.putInt(channel.getRecipient()); buf.putString(Util.getBytes("shell")); buf.putByte((byte)(waitForReply() ? 1 : 0)); session.write(packet); }
public override void run() { // thread=Thread.currentThread(); //System.out.println("rmpsize: "+rmpsize+", lmpsize: "+lmpsize); Buffer buf=new Buffer(rmpsize); // Buffer buf=new Buffer(lmpsize); Packet packet=new Packet(buf); int i=0; try { while(isConnected() && 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; } if(_close)break; packet.reset(); buf.putByte((byte)Session.SSH_MSG_CHANNEL_DATA); buf.putInt(recipient); buf.putInt(i); buf.skip(i); session.write(packet, this, i); } } catch { } disconnect(); //System.out.println("connect end"); /* try{ packet.reset(); buf.putByte((byte)Session.SSH_MSG_CHANNEL_EOF); buf.putInt(recipient); session.write(packet); } catch(Exception e){ } */ // close(); }
public virtual void connect() { if(!session.isConnected()) { throw new JSchException("session is down"); } try { Buffer buf=new Buffer(100); Packet packet=new Packet(buf); // send // byte SSH_MSG_CHANNEL_OPEN(90) // string channel type // // uint32 sender channel // 0 // uint32 initial window size // 0x100000(65536) // uint32 maxmum packet size // 0x4000(16384) packet.reset(); buf.putByte((byte)90); buf.putString(this.type); buf.putInt(this.id); buf.putInt(this.lwsize); buf.putInt(this.lmpsize); session.write(packet); int retry=1000; while(this.getRecipient()==-1 && session.isConnected() && retry>0) { try{Thread.sleep(50);} catch(Exception ee){} retry--; } if(!session.isConnected()) { throw new JSchException("session is down"); } if(retry==0) { throw new JSchException("channel is not opened."); } connected=true; start(); } catch(Exception e) { connected=false; if(e is JSchException) throw (JSchException)e; } }
internal virtual void eof() { //System.Out.println("EOF!!!! "+this); //Thread.dumpStack(); if(_close)return; if(eof_local)return; eof_local=true; //close=eof; try { Buffer buf=new Buffer(100); Packet packet=new Packet(buf); packet.reset(); buf.putByte((byte)Session.SSH_MSG_CHANNEL_EOF); buf.putInt(getRecipient()); session.write(packet); } catch(Exception e) { //System.Out.println("Channel.eof"); //e.printStackTrace(); } /* if(!isConnected()){ disconnect(); } */ }
/* http://www1.ietf.org/internet-drafts/draft-ietf-secsh-connect-24.txt 5.3 Closing a Channel When a party will no longer send more data to a channel, it SHOULD send SSH_MSG_CHANNEL_EOF. byte SSH_MSG_CHANNEL_EOF uint32 recipient_channel No explicit response is sent to this message. However, the application may send EOF to whatever is at the other end of the channel. Note that the channel remains open after this message, and more data may still be sent In the other direction. This message does not consume window space and can be sent even if no window space is available. When either party wishes to terminate the channel, it sends SSH_MSG_CHANNEL_CLOSE. Upon receiving this message, a party MUST send back a SSH_MSG_CHANNEL_CLOSE unless it has already sent this message for the channel. The channel is considered closed for a party when it has both sent and received SSH_MSG_CHANNEL_CLOSE, and the party may then reuse the channel number. A party MAY send SSH_MSG_CHANNEL_CLOSE without having sent or received SSH_MSG_CHANNEL_EOF. byte SSH_MSG_CHANNEL_CLOSE uint32 recipient_channel This message does not consume window space and can be sent even if no window space is available. It is recommended that any data sent before this message is delivered to the actual destination, if possible. */ internal virtual void close() { //System.Out.println("close!!!!"); if(_close)return; _close=true; try { Buffer buf=new Buffer(100); Packet packet=new Packet(buf); packet.reset(); buf.putByte((byte)Session.SSH_MSG_CHANNEL_CLOSE); buf.putInt(getRecipient()); session.write(packet); } catch(Exception e) { //e.printStackTrace(); } }
public override void run() { thread=Thread.currentThread(); Buffer buf=new Buffer(rmpsize); Packet packet=new Packet(buf); int i=0; try { while(thread!=null) { i=io.ins.Read(buf.buffer, 14, buf.buffer.Length-14 -16 -20 // padding and mac ); if(i<=0) { eof(); break; } if(_close)break; packet.reset(); buf.putByte((byte)Session.SSH_MSG_CHANNEL_DATA); buf.putInt(recipient); buf.putInt(i); buf.skip(i); session.write(packet, this, i); } } catch { //System.out.println(e); } thread=null; }
//private byte[] f; public override void init(Session session, byte[] V_S, byte[] V_C, byte[] I_S, byte[] I_C) { this.session=session; this.V_S=V_S; this.V_C=V_C; this.I_S=I_S; this.I_C=I_C; // sha=new SHA1(); // sha.init(); try { Type t=Type.GetType(session.getConfig("sha-1")); sha=(HASH)(Activator.CreateInstance(t)); sha.init(); } catch(Exception e) { Console.WriteLine(e); } buf=new Buffer(); packet=new Packet(buf); try { Type t=Type.GetType(session.getConfig("dh")); dh=(DH)(Activator.CreateInstance(t)); dh.init(); } catch(Exception e) { throw e; } packet.reset(); buf.putByte((byte)0x22); buf.putInt(min); buf.putInt(preferred); buf.putInt(max); session.write(packet); state=SSH_MSG_KEX_DH_GEX_GROUP; }
private void setPortForwarding(int rport) { lock(grr) { Buffer buf=new Buffer(100); // ?? Packet packet=new Packet(buf); try { // byte SSH_MSG_GLOBAL_REQUEST 80 // String "tcpip-forward" // bool want_reply // String address_to_bind // uint32 port number to bind packet.reset(); buf.putByte((byte) SSH_MSG_GLOBAL_REQUEST); buf.putString( new String( "tcpip-forward" ).getBytes()); // buf.putByte((byte)0); buf.putByte((byte)1); buf.putString(new String("0.0.0.0").getBytes()); buf.putInt(rport); write(packet); } catch(Exception e) { throw new JSchException(e.ToString()); } grr.setThread(Thread.currentThread()); try{ Thread.Sleep(10000);} catch(Exception e) { } int reply=grr.getReply(); grr.setThread(null); if(reply==0) { throw new JSchException("remote port forwarding failed for listen port "+rport); } } }
public void run() { thread=this; byte[] foo; Buffer buf=new Buffer(); Packet packet=new Packet(buf); int i=0; Channel channel; int[] start=new int[1]; int[] length=new int[1]; KeyExchange kex=null; try { while(_isConnected && thread!=null) { buf=read(buf); int msgType=buf.buffer[5]&0xff; // if(msgType!=94) //System.Console.WriteLine("read: 94 ? "+msgType); if(kex!=null && kex.getState()==msgType) { bool result=kex.next(buf); if(!result) { throw new JSchException("verify: "+result); } continue; } switch(msgType) { case SSH_MSG_KEXINIT: //System.Console.WriteLine("KEXINIT"); kex=receive_kexinit(buf); break; case SSH_MSG_NEWKEYS: //System.Console.WriteLine("NEWKEYS"); send_newkeys(); receive_newkeys(buf, kex); kex=null; break; case SSH_MSG_CHANNEL_DATA: buf.getInt(); buf.getByte(); buf.getByte(); i=buf.getInt(); channel=Channel.getChannel(i, this); foo=buf.getString(start, length); if(channel==null) { break; } try { channel.write(foo, start[0], length[0]); } catch(Exception e) { //System.Console.WriteLine(e); try{channel.disconnect();} catch(Exception ee){} break; } int len=length[0]; channel.setLocalWindowSize(channel.lwsize-len); if(channel.lwsize<channel.lwsize_max/2) { packet.reset(); buf.putByte((byte)SSH_MSG_CHANNEL_WINDOW_ADJUST); buf.putInt(channel.getRecipient()); buf.putInt(channel.lwsize_max-channel.lwsize); write(packet); channel.setLocalWindowSize(channel.lwsize_max); } break; case SSH_MSG_CHANNEL_EXTENDED_DATA: buf.getInt(); buf.getShort(); i=buf.getInt(); channel=Channel.getChannel(i, this); buf.getInt(); // data_type_code == 1 foo=buf.getString(start, length); //System.Console.WriteLine("stderr: "+new String(foo,start[0],length[0])); if(channel==null) { break; } //channel.write(foo, start[0], length[0]); channel.write_ext(foo, start[0], length[0]); len=length[0]; channel.setLocalWindowSize(channel.lwsize-len); if(channel.lwsize<channel.lwsize_max/2) { packet.reset(); buf.putByte((byte)SSH_MSG_CHANNEL_WINDOW_ADJUST); buf.putInt(channel.getRecipient()); buf.putInt(channel.lwsize_max-channel.lwsize); write(packet); channel.setLocalWindowSize(channel.lwsize_max); } break; case SSH_MSG_CHANNEL_WINDOW_ADJUST: buf.getInt(); buf.getShort(); i=buf.getInt(); channel=Channel.getChannel(i, this); if(channel==null) { break; } channel.addRemoteWindowSize(buf.getInt()); break; case SSH_MSG_CHANNEL_EOF: buf.getInt(); buf.getShort(); i=buf.getInt(); channel=Channel.getChannel(i, this); if(channel!=null) { //channel._eof_remote=true; //channel.eof(); channel.eof_remote(); } /* packet.reset(); buf.putByte((byte)SSH_MSG_CHANNEL_EOF); buf.putInt(channel.getRecipient()); write(packet); */ break; case SSH_MSG_CHANNEL_CLOSE: buf.getInt(); buf.getShort(); i=buf.getInt(); channel=Channel.getChannel(i, this); if(channel!=null) { // channel.close(); channel.disconnect(); } /* if(Channel.pool.size()==0){ thread=null; } */ break; case SSH_MSG_CHANNEL_OPEN_CONFIRMATION: buf.getInt(); buf.getShort(); i=buf.getInt(); channel=Channel.getChannel(i, this); if(channel==null) { //break; } channel.setRecipient(buf.getInt()); channel.setRemoteWindowSize(buf.getInt()); channel.setRemotePacketSize(buf.getInt()); break; case SSH_MSG_CHANNEL_OPEN_FAILURE: buf.getInt(); buf.getShort(); i=buf.getInt(); channel=Channel.getChannel(i, this); if(channel==null) { //break; } int reason_code=buf.getInt(); //foo=buf.getString(); // additional textual information //foo=buf.getString(); // language tag channel.exitstatus=reason_code; channel._close=true; channel._eof_remote=true; channel.setRecipient(0); break; case SSH_MSG_CHANNEL_REQUEST: buf.getInt(); buf.getShort(); i=buf.getInt(); foo=buf.getString(); bool reply=(buf.getByte()!=0); channel=Channel.getChannel(i, this); if(channel!=null) { byte reply_type=(byte)SSH_MSG_CHANNEL_FAILURE; if((new String(foo)).equals("exit-status")) { i=buf.getInt(); // exit-status channel.setExitStatus(i); // System.Console.WriteLine("exit-stauts: "+i); // channel.close(); reply_type=(byte)SSH_MSG_CHANNEL_SUCCESS; } if(reply) { packet.reset(); buf.putByte(reply_type); buf.putInt(channel.getRecipient()); write(packet); } } else { } break; case SSH_MSG_CHANNEL_OPEN: buf.getInt(); buf.getShort(); foo=buf.getString(); String ctyp=new String(foo); //System.Console.WriteLine("type="+ctyp); if(!new String("forwarded-tcpip").equals(ctyp) && !(new String("x11").equals(ctyp) && x11_forwarding)) { System.Console.WriteLine("Session.run: CHANNEL OPEN "+ctyp); throw new IOException("Session.run: CHANNEL OPEN "+ctyp); } else { channel=Channel.getChannel(ctyp); addChannel(channel); channel.getData(buf); channel.init(); packet.reset(); buf.putByte((byte)SSH_MSG_CHANNEL_OPEN_CONFIRMATION); buf.putInt(channel.getRecipient()); buf.putInt(channel.id); buf.putInt(channel.lwsize); buf.putInt(channel.lmpsize); write(packet); Thread tmp=new Thread(channel); tmp.setName("Channel "+ctyp+" "+host); tmp.start(); break; } case SSH_MSG_CHANNEL_SUCCESS: buf.getInt(); buf.getShort(); i=buf.getInt(); channel=Channel.getChannel(i, this); if(channel==null) { break; } channel.reply=1; break; case SSH_MSG_CHANNEL_FAILURE: buf.getInt(); buf.getShort(); i=buf.getInt(); channel=Channel.getChannel(i, this); if(channel==null) { break; } channel.reply=0; break; case SSH_MSG_GLOBAL_REQUEST: buf.getInt(); buf.getShort(); foo=buf.getString(); // request name reply=(buf.getByte()!=0); if(reply) { packet.reset(); buf.putByte((byte)SSH_MSG_REQUEST_FAILURE); write(packet); } break; case SSH_MSG_REQUEST_FAILURE: case SSH_MSG_REQUEST_SUCCESS: Thread t=grr.getThread(); if(t!=null) { grr.setReply(msgType==SSH_MSG_REQUEST_SUCCESS? 1 : 0); t.interrupt(); } break; default: System.Console.WriteLine("Session.run: unsupported type "+msgType); throw new IOException("Unknown SSH message type "+msgType); } } } catch(Exception e) { //System.Console.WriteLine("# Session.run"); //e.printStackTrace(); } try { disconnect(); } catch(NullReferenceException e) { //System.Console.WriteLine("@1"); //e.printStackTrace(); } catch(Exception e) { //System.Console.WriteLine("@2"); //e.printStackTrace(); } _isConnected=false; }
public override void connect() { try { if(!session.isConnected()) { throw new JSchException("session is down"); } Buffer buf=new Buffer(150); Packet packet=new Packet(buf); // send // byte SSH_MSG_CHANNEL_OPEN(90) // string channel type // // uint32 sender channel // 0 // uint32 initial window size // 0x100000(65536) // uint32 maxmum packet size // 0x4000(16384) packet.reset(); buf.putByte((byte)90); buf.putString(Util.getBytes("direct-tcpip")); buf.putInt(id); buf.putInt(lwsize); buf.putInt(lmpsize); buf.putString(Util.getBytes(host)); buf.putInt(port); buf.putString(Util.getBytes(originator_IP_address)); buf.putInt(originator_port); session.write(packet); int retry=1000; try { while(this.getRecipient()==-1 && session.isConnected() && retry>0 && !_eof_remote) { //Thread.sleep(500); Thread.Sleep(50); retry--; } } catch { } if(!session.isConnected()) { throw new JSchException("session is down"); } if(retry==0 || this._eof_remote) { throw new JSchException("channel is not opened."); } /* if(this.eof_remote){ // failed to open disconnect(); return; } */ connected=true; thread=new Thread(this); thread.start(); } catch(Exception e) { io.close(); io=null; Channel.del(this); if (e is JSchException) { throw (JSchException) e; } } }
internal void dump(Buffer buf) { buf.putInt(flags); if((flags&SSH_FILEXFER_ATTR_SIZE)!=0){ buf.putLong(size); } if((flags&SSH_FILEXFER_ATTR_UIDGID)!=0) { buf.putInt(uid); buf.putInt(gid); } if((flags&SSH_FILEXFER_ATTR_PERMISSIONS)!=0) { buf.putInt(permissions); } if((flags&SSH_FILEXFER_ATTR_ACMODTIME)!=0){ buf.putInt(atime); } if((flags&SSH_FILEXFER_ATTR_ACMODTIME)!=0){ buf.putInt(mtime); } if((flags&SSH_FILEXFER_ATTR_EXTENDED)!=0) { int count=extended.Length/2; if(count>0) { for(int i=0; i<count; i++) { buf.putString(Util.getBytes(extended[i*2])); buf.putString(Util.getBytes(extended[i*2+1])); } } } }
public override void run() { //System.out.println(this+":run >"); /* if(thread!=null){ return; } thread=Thread.currentThread(); */ // Buffer buf=new Buffer(); Buffer buf=new Buffer(rmpsize); Packet packet=new Packet(buf); int i=-1; try { while(isConnected() && 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)continue; if(i==-1) { eof(); break; } if(_close)break; packet.reset(); 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) { Console.WriteLine("# ChannelSession.run"); Console.WriteLine(e); } if(thread!=null) { //lock(thread){ System.Threading.Monitor.PulseAll(this);/*thread.notifyAll();*/ } } thread=null; //System.out.println(this+":run <"); }
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); } }