public void request(Session session, Channel channel)
{
Buffer buf = new Buffer();
Packet packet = new Packet(buf);
bool reply = waitForReply();
if (reply)
{
channel.Replay = -1;
}
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.Recipient);
buf.putString(Util.getBytes("subsystem"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putString(Util.getBytes("sftp"));
session.write(packet);
if (reply)
{
while (channel.Replay == -1)
{
try { System.Threading.Thread.Sleep(10); }
catch//(Exception ee)
{
}
}
if (channel.Replay == 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);
bool reply = waitForReply();
if (reply)
channel.Replay = -1;
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.Recipient);
buf.putString("subsystem");
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putString(m_subsystem);
session.write(packet);
if (reply)
{
while (channel.Replay == -1)
{
try { Thread.sleep(10); }
catch { }
}
if (channel.Replay == 0)
throw new JSchException("failed to send subsystem 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.Recipient);
buf.putString(Util.getBytes("signal"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putString(Util.getBytes(m_signal));
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.Recipient);
buf.putString(Util.getBytes("shell"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
session.write(packet);
}
public void request(Session session, Channel channel)
{
Packet packet = session.m_packet;
Buffer buf = session.m_buf;
// send
// byte SSH_MSG_CHANNEL_REQUEST(98)
// uint32 recipient channel
// string request type // "exec"
// boolean want reply // 0
// string command
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.Recipient);
buf.putString("exec");
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putString(m_command);
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.Recipient);
buf.putString(Util.getBytes("window-change"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putInt(m_width_columns);
buf.putInt(m_height_rows);
buf.putInt(m_width_pixels);
buf.putInt(m_height_pixels);
session.write(packet);
}
internal void addChannel(Channel channel)
{
channel.Session = this;
}
public void write(Packet packet, Channel c, int length)
{
while (true)
{
if (m_in_kex)
{
try
{
Thread.Sleep(10);
}
catch (ThreadInterruptedException)
{ }
continue;
}
lock (c)
{
if (c.RemoteWindowSize >= length)
{
c.RemoteWindowSize -= length;
break;
}
}
if (c.IsClosed || !c.isConnected())
throw new IOException("channel is broken");
bool sendit = false;
int s = 0;
byte command = 0;
int recipient = -1;
lock (c)
{
if (c.RemoteWindowSize > 0)
{
int len = c.RemoteWindowSize;
if (len > length)
len = length;
if (len != length)
s = packet.shift(len, (m_c2smac != null ? m_c2smac.BlockSize : 0));
command = packet.m_buffer.m_buffer[5];
recipient = c.Recipient;
length -= len;
c.RemoteWindowSize -= len;
sendit = true;
}
}
if (sendit)
{
_write(packet);
if (length == 0)
return;
packet.unshift(command, recipient, s, length);
lock (c)
{
if (c.RemoteWindowSize >= length)
{
c.RemoteWindowSize -= length;
break;
}
}
}
try
{
Thread.Sleep(100);
}
catch (ThreadInterruptedException)
{ }
}
_write(packet);
}
public void request(Session session, Channel channel, string subsystem, bool want_reply)
{
m_subsystem = subsystem;
m_want_reply = want_reply;
request(session, channel);
}
internal static void Remove(Channel channel)
{
lock (m_pool)
{
m_pool.Remove(channel);
}
}
internal static void disconnect(Session session)
{
Channel[] channels = null;
int count = 0;
lock (m_pool)
{
channels = new Channel[m_pool.Count];
for (int i = 0; i < m_pool.Count; i++)
{
try
{
Channel c = ((Channel)(m_pool[i]));
if (c.m_session == session)
channels[count++] = c;
}
catch (Exception) { }
}
}
for (int i = 0; i < count; i++)
channels[i].disconnect();
}
protected virtual void ConnectChannel()
{
m_channel = m_session.openChannel(ChannelType);
OnChannelReceived();
m_channel.connect();
OnConnected();
}
/// <summary>
/// Closes the SSH subsystem
/// </summary>
public virtual void Close()
{
if (m_channel != null)
{
m_channel.disconnect();
m_channel = null;
}
if (m_session != null)
{
m_session.disconnect();
m_session = null;
}
}
/// <summary>
/// Connect a channel to the remote server using the 'SCP TO' command ('scp -t')
/// </summary>
/// <param name="channel">Will contain the new connected channel</param>
/// <param name="server">Will contaun the new connected server I/O stream</param>
/// <param name="rfile">The remote path on the server</param>
/// <param name="recursive">Idicate a recursive scp transfer</param>
protected void SCP_ConnectTo(out Channel channel, out Stream server, string rfile, bool recursive)
{
string scpCommand = "scp -p -t ";
if (recursive) scpCommand += "-r ";
scpCommand += "\"" + rfile + "\"";
channel = (ChannelExec)m_session.openChannel(ChannelType);
((ChannelExec)channel).setCommand(scpCommand);
server =
new Streams.CombinedStream
(channel.getInputStream(), channel.getOutputStream());
channel.connect();
SCP_CheckAck(server);
}
