/// <summary>
/// Sends a global request.
/// </summary>
/// <param name="request"></param>
/// <param name="wantreply"></param>
/// <returns></returns>
public bool SendGlobalRequest(GlobalRequest request, bool wantreply)
{
try
{
SSHPacket packet = GetPacket();
packet.WriteByte(SSH_MSG_GLOBAL_REQUEST);
packet.WriteString(request.Name);
packet.WriteBool(wantreply);
if (request.Data != null)
{
packet.WriteBytes(request.Data);
}
#if DEBUG
System.Diagnostics.Trace.WriteLine("Sending SSH_MSG_GLOBAL_REQUEST");
System.Diagnostics.Trace.WriteLine(request.Name);
#endif
SendMessage(packet);
if (wantreply)
{
packet = GlobalMessages.NextMessage(GLOBAL_REQUEST_MESSAGES);
if (packet.MessageID == SSH_MSG_REQUEST_SUCCESS)
{
if (packet.Available > 1)
{
byte[] tmp = new byte[packet.Available];
packet.ReadBytes(tmp);
request.Data = tmp;
}
else
{
request.Data = null;
}
return(true);
}
else
{
return(false);
}
}
else
{
return(true);
}
}
catch (System.IO.IOException ex)
{
throw new SSHException(ex.Message, SSHException.INTERNAL_ERROR);
}
}
/// <summary>
/// Sends a channel request. Many channels have extensions that are specific to that particular
/// channel type, an example of which is requesting a pseudo terminal from an interactive session.
/// </summary>
/// <param name="requesttype">the name of the request, for example "pty-req"</param>
/// <param name="wantreply">specifies whether the remote side should send a success/failure message</param>
/// <param name="requestdata">the request data</param>
/// <returns></returns>
public bool SendRequest(System.String requesttype, bool wantreply, byte[] requestdata)
{
lock (this)
{
try
{
SSHPacket packet = connection.GetPacket();
packet.WriteByte((System.Byte)SSH_MSG_CHANNEL_REQUEST);
packet.WriteUINT32(remoteid);
packet.WriteString(requesttype);
packet.WriteBool(wantreply);
if (requestdata != null)
{
packet.WriteBytes(requestdata);
}
#if DEBUG
System.Diagnostics.Trace.WriteLine("Sending SSH_MSG_CHANNEL_REQUEST " + requesttype);
System.Diagnostics.Trace.WriteLine("Channelid=" + ChannelID);
#endif
connection.SendMessage(packet);
bool result = false;
if (wantreply)
{
packet = ProcessMessages(CHANNEL_REQUEST_MESSAGES);
return(packet.MessageID == SSH_MSG_CHANNEL_SUCCESS);
}
return(result);
}
catch (System.IO.IOException ex)
{
throw new SSHException(ex.Message, SSHException.INTERNAL_ERROR);
}
}
}