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);
}
}
