private void ProcessClient(object argument)
{
TcpClient client = (TcpClient)argument;
logger.Debug($"Client socket accepted..");
TcpTunnel tunnel = new TcpTunnel(client);
logger.Debug($"Client tunnel created..");
ServerLink link = new ServerLink(tunnel);
logger.Debug($"Client link created..");
link.RememberRemoteCertAuthority = RememberCertificates;
link.NoAuthentication = NoAuthentication;
//link.RememberPeerKeys = true;
// Get a key from the precomputed keys list
string ca, priv;
byte[] sign;
(ca, priv, sign) = KeyManager.GetNextAvailableKeys();
if (String.IsNullOrEmpty(ca) || String.IsNullOrEmpty(priv) || sign.Length == 0)
{
logger.Error("GetNextAvailableKeys returned empty data!");
link.Close();
return;
}
logger.Debug($"Passing certificates into Bifrost..");
link.LoadCertificatesNonBase64(ca, priv, sign);
link.OnDataReceived += Link_OnDataReceived;
link.OnLinkClosed += Link_OnLinkClosed;
logger.Debug($"Performing handshake with client..");
var result = link.PerformHandshake();
if (result.Type == HandshakeResultType.Successful)
{
logger.Debug($"Handshake was a success!");
var connection = new UserConnection(client, serverLink: link);
var user = new ClientData(connection);
user.ClientKeys.ServerCertificateAuthority = ca;
user.ClientKeys.PrivateKey = priv;
user.ClientKeys.SignKey = sign;
// for use after handshake and when remembering clientCa (unimplemented)
//user.Client.ClientKeys.ClientCertificateAuthority = clientCa;
lock (_UserListLock)
{
if (Clients.Count + 1 > MaxConnections)
{
link.Close();
return;
}
Clients.Add(user);
}
Utilities.RaiseEventOnUIThread(OnUserConnected, user);
}
else
{
logger.Info($"Handshake failure: {result.Type}");
link.Close();
}
}
