/*
* public SimpleSelectHandler HandleConnectionFromTmpServer(Socket listenSocket, Socket socket, Buf safeBuffer)
* {
* Console.WriteLine("{0} [{1}] Accepted TmpServer Socket", DateTime.Now, socket.SafeRemoteEndPointString());
* return HandleInitialConnectionInfo;
* }
*/
static void HandleInitialConnectionInfo(ref SelectControl selectControl, Socket socket, Buf safeBuffer)
{
Int32 bytesRead = socket.Receive(safeBuffer.array, 1, SocketFlags.None);
if (bytesRead <= 0)
{
Console.WriteLine("{0} WARNING: Socket closed", DateTime.Now);
selectControl.DisposeAndRemoveReceiveSocket(socket);
return;
}
Byte connectionInfo = safeBuffer.array[0];
Boolean accessorRequiresTls, isTunnel;
Tmp.ReadConnectionInfoFromTmpServer(connectionInfo, out accessorRequiresTls, out isTunnel);
//
// Determine if TLS should be set up
//
Boolean setupTls;
if (accessorRequiresTls)
{
setupTls = true;
}
else if (!isTunnel)
{
// The TmpServer is waiting for a response to indicate whether it should setup TLS
setupTls = GlobalTlsSettings.requireTlsForTmpConnections;
socket.Send(new Byte[] { setupTls ? (Byte)1 : (Byte)0 });
}
else
{
setupTls = false;
}
IDataHandler sendDataHandler = new SocketSendDataHandler(socket);
IDataFilter receiveDataFilter = null;
//
// Setup TLS if necessary
//
if (setupTls)
{
//
// Negotiate TLS, setup sendDataHandler and receiveDataFilter
//
Console.WriteLine("{0} [{1}] This connection requires tls but it is not currently supported",
DateTime.Now, socket.SafeRemoteEndPointString());
selectControl.ShutdownDisposeAndRemoveReceiveSocket(socket);
return;
}
IPEndPoint remoteEndPoint = (IPEndPoint)(socket.RemoteEndPoint);
if (isTunnel)
{
Console.WriteLine("{0} [{1}] Is a Tunnel Connection", DateTime.Now, remoteEndPoint.ToString());
TmpServerSideTunnelKeyReceiver keyReceiver = new TmpServerSideTunnelKeyReceiver();
selectControl.UpdateHandler(socket, keyReceiver.SocketReceiverHandler);
}
else
{
Console.WriteLine("{0} [{1}] Is a Control Connection", DateTime.Now, remoteEndPoint.ToString());
TmpControlConnection tmpControlConnection = new TmpControlConnection(GlobalTlsSettings,
remoteEndPoint, socket, sendDataHandler, receiveDataFilter);
tmpControlConnections.Add(tmpControlConnection);
selectControl.UpdateHandler(socket, tmpControlConnection.SocketReceiverHandler);
}
}
