internal Header ReadHeader(Buffer buf, Header header)
{
buf.Rewind();
int i = fill(buf.buffer, 0, 9);
header.length = buf.ReadInt() - 5;
header.type = buf.ReadByte() & 0xff;
header.rid = buf.ReadInt();
return(header);
}
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 (!result.SequenceEqual(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.ReadInt();buf.ReadShort();
int reason_code=buf.ReadInt();
byte[] description=buf.ReadString();
byte[] language_tag=buf.ReadString();
/*
System.Console.Error.WriteLine("SSH_MSG_DISCONNECT:"+
" "+reason_code+
" "+Encoding.UTF8.GetString(description)+
" "+Encoding.UTF8.GetString(language_tag));
*/
throw new JSchException(
"SSH_MSG_DISCONNECT:"+
" "+reason_code+
" "+description+
" "+language_tag);
//break;
}
else if(type==SSH_MSG_IGNORE)
{
}
else if(type==SSH_MSG_DEBUG)
{
buf.Rewind();
buf.ReadInt();buf.ReadShort();
/*
byte always_display=(byte)buf.getByte();
byte[] message=buf.getString();
byte[] language_tag=buf.getString();
System.Console.Error.WriteLine("SSH_MSG_DEBUG:"+
" "+Encoding.UTF8.GetString(message)+
" "+Encoding.UTF8.GetString(language_tag));
*/
}
else if(type==SSH_MSG_CHANNEL_WINDOW_ADJUST)
{
buf.Rewind();
buf.ReadInt();buf.ReadShort();
Channel c=Channel.getChannel(buf.ReadInt(), this);
if(c==null)
{
}
else
{
c.addRemoteWindowSize(buf.ReadInt());
}
}
else
{
break;
}
}
buf.Rewind();
return buf;
}
internal Header ReadHeader(Buffer buf, Header header)
{
buf.Rewind();
int i = fill(buf.buffer, 0, 9);
header.length = buf.ReadInt() - 5;
header.type = buf.ReadByte() & 0xff;
header.rid = buf.ReadInt();
return header;
}
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 = ReadHeader(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
ServerVersion = _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(".");
// receive SSH_FXP_NAME
_header = ReadHeader(buf, _header);
length = _header.length;
type = _header.type; // 104 -> SSH_FXP_NAME
buf.Rewind();
fill(buf.buffer, 0, length);
i = buf.ReadInt(); // count
//System.Console.WriteLine("type="+type+", length="+length+", i="+i);
str = buf.ReadString(); // filename
//System.Console.WriteLine("str.length="+str.Length);
home = cwd = Encoding.UTF8.GetString(str);
str = buf.ReadString(); // logname
// SftpATTRS.getATTR(buf); // attrs
lcwd = System.IO.Path.GetFullPath(".");
}
catch (Exception e)
{
//System.out.println(e);
//System.Console.WriteLine(e);
if (e is JSchException) throw (JSchException)e;
throw new JSchException(e.ToString());
}
}
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 = ReadHeader(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
ServerVersion = _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(".");
// receive SSH_FXP_NAME
_header = ReadHeader(buf, _header);
length = _header.length;
type = _header.type; // 104 -> SSH_FXP_NAME
buf.Rewind();
fill(buf.buffer, 0, length);
i = buf.ReadInt(); // count
//System.Console.WriteLine("type="+type+", length="+length+", i="+i);
str = buf.ReadString(); // filename
//System.Console.WriteLine("str.length="+str.Length);
home = cwd = Encoding.UTF8.GetString(str);
str = buf.ReadString(); // logname
// SftpATTRS.getATTR(buf); // attrs
lcwd = System.IO.Path.GetFullPath(".");
}
catch (Exception e)
{
//System.out.println(e);
//System.Console.WriteLine(e);
if (e is JSchException)
{
throw (JSchException)e;
}
throw new JSchException(e.ToString());
}
}
