public Buffer read(Buffer buf) { int j=0; while(true) { buf.reset(); io.getByte(buf.buffer, buf.index, cipher_size); buf.index+=cipher_size; if(s2ccipher!=null) { s2ccipher.update(buf.buffer, 0, cipher_size, buf.buffer, 0); } // j=((buf.buffer[0]<<24)&0xff000000)| // ((buf.buffer[1]<<16)&0x00ff0000)| // ((buf.buffer[2]<< 8)&0x0000ff00)| // ((buf.buffer[3] )&0x000000ff); j=Util.ToInt32( buf.buffer, 0 ); j=j-4-cipher_size+8; if(j<0 || (buf.index+j)>buf.buffer.Length) { throw new IOException("invalid data"); } if(j>0) { io.getByte(buf.buffer, buf.index, j); buf.index+=(j); if(s2ccipher!=null) { s2ccipher.update(buf.buffer, cipher_size, j, buf.buffer, cipher_size); } } if(s2cmac!=null) { s2cmac.update(seqi); s2cmac.update(buf.buffer, 0, buf.index); byte[] result=s2cmac.doFinal(); io.getByte(mac_buf, 0, mac_buf.Length); if(!Arrays.equals(result, mac_buf)) { throw new IOException("MAC Error"); } } seqi++; if(inflater!=null) { //inflater.uncompress(buf); int pad=buf.buffer[4]; uncompress_len[0]=buf.index-5-pad; byte[] foo=inflater.uncompress(buf.buffer, 5, uncompress_len); if(foo!=null) { buf.buffer=foo; buf.index=5+uncompress_len[0]; } else { System.Console.Error.WriteLine("fail in inflater"); break; } } int type=buf.buffer[5]&0xff; //System.Console.WriteLine("read: "+type); if(type==SSH_MSG_DISCONNECT) { buf.rewind(); buf.getInt();buf.getShort(); int reason_code=buf.getInt(); byte[] description=buf.getString(); byte[] language_tag=buf.getString(); /* System.Console.Error.WriteLine("SSH_MSG_DISCONNECT:"+ " "+reason_code+ " "+new String(description)+ " "+new String(language_tag)); */ throw new JSchException("SSH_MSG_DISCONNECT:"+ " "+reason_code+ " "+new String(description)+ " "+new String(language_tag)); //break; } else if(type==SSH_MSG_IGNORE) { } else if(type==SSH_MSG_DEBUG) { buf.rewind(); buf.getInt();buf.getShort(); /* byte always_display=(byte)buf.getByte(); byte[] message=buf.getString(); byte[] language_tag=buf.getString(); System.Console.Error.WriteLine("SSH_MSG_DEBUG:"+ " "+new String(message)+ " "+new String(language_tag)); */ } else if(type==SSH_MSG_CHANNEL_WINDOW_ADJUST) { buf.rewind(); buf.getInt();buf.getShort(); Channel c=Channel.getChannel(buf.getInt(), this); if(c==null) { } else { c.addRemoteWindowSize(buf.getInt()); } } else { break; } } buf.rewind(); return buf; }
public override void start() { //throws JSchException{ try { PipedOutputStream pos=new PipedOutputStream(); io.setOutputStream(pos); PipedInputStream pis=new MyPipedInputStream(pos, 32*1024); io.setInputStream(pis); Request request=new RequestSftp(); request.request(session, this); /* System.err.println("lmpsize: "+lmpsize); System.err.println("lwsize: "+lwsize); System.err.println("rmpsize: "+rmpsize); System.err.println("rwsize: "+rwsize); */ buf=new Buffer(rmpsize); packet=new Packet(buf); int i=0; int length; int type; byte[] str; // send SSH_FXP_INIT sendINIT(); // receive SSH_FXP_VERSION Header _header=new Header(); _header=header(buf, _header); length=_header.length; if(length > MAX_MSG_LENGTH) { throw new SftpException(SSH_FX_FAILURE, "Received message is too long: " + length); } type=_header.type; // 2 -> SSH_FXP_VERSION server_version=_header.rid; skip(length); //System.err.println("SFTP protocol server-version="+server_version); //System.Console.WriteLine("server_version="+server_version+", type="+type+", length="+length+", i="+i); // send SSH_FXP_REALPATH sendREALPATH(new String(".").getBytes()); // receive SSH_FXP_NAME _header=header(buf, _header); length=_header.length; type=_header.type; // 104 -> SSH_FXP_NAME buf.rewind(); fill(buf.buffer, 0, length); i=buf.getInt(); // count //System.Console.WriteLine("type="+type+", length="+length+", i="+i); str=buf.getString(); // filename //System.Console.WriteLine("str.length="+str.Length); home=cwd=new String(str); str=buf.getString(); // logname // SftpATTRS.getATTR(buf); // attrs lcwd=new File(".").getCanonicalPath(); } catch(Exception e) { //System.out.println(e); //System.Console.WriteLine(e); if(e is JSchException) throw (JSchException)e; throw new JSchException(e.toString()); } }
internal Header header(Buffer buf, Header header) { buf.rewind(); int i=fill(buf.buffer, 0, 9); header.length=buf.getInt()-5; header.type=buf.getByte()&0xff; header.rid=buf.getInt(); return header; }
public override void start() { try { PipedOutputStream pos = new PipedOutputStream(); io.setOutputStream(pos); PipedInputStream pis = new MyPipedInputStream(pos, 32 * 1024); io.setInputStream(pis); Request request = new RequestSftp(); request.request(session, this); buf = new Buffer(rmpsize); packet = new Packet(buf); int i = 0; int length; int type; byte[] str; // send SSH_FXP_INIT sendINIT(); // receive SSH_FXP_VERSION Header _header = new Header(); _header = header(buf, _header); length = _header.length; if (length > MAX_MSG_LENGTH) { throw new SftpException(SSH_FX_FAILURE, "Received message is too long: " + length); } type = _header.type; // 2 -> SSH_FXP_VERSION server_version = _header.rid; skip(length); // send SSH_FXP_REALPATH sendREALPATH(".".GetBytes()); // receive SSH_FXP_NAME _header = header(buf, _header); length = _header.length; type = _header.type; // 104 -> SSH_FXP_NAME buf.rewind(); fill(buf.buffer, 0, length); i = buf.getInt(); // count str = buf.getString(); // filename home = cwd = new JavaString(str); str = buf.getString(); // logname lcwd = new File(".").getCanonicalPath(); } catch (Exception e) { if (e is JSchException) throw (JSchException)e; throw new JSchException(e); } }