private void listener_BeginRead(object sender, TCPEventArgs e)
{
try
{
TCPClient client = ((TCPListener)sender).TCPClients[e.SocketID];
string data = GetData(e.Data);
string commandValue = string.Empty;
//Check for quit
if (data.ToUpper() == "QUIT")
{
Console.WriteLine("Goodbye");
client.DisconnectSocket();
return;
}
//Process the command
if (!client.Authenticated)
{
client.LoginAttempt++;
string[] vals = data.Split(' ');
if (vals == null || vals.Length < 2)
{
client.WriteLine("Send <USER> <PASS> for authentication");
}
else
{
Account acc = Konsole.Commands.HelperTools.GetAccByName(vals[0]);
if (acc != null && acc.Password.ToUpper() == vals[1].ToUpper())
{
if (acc.AccessLevel >= TelnetConfig.MinimumAccessLevel)
{
client.Authenticated = true;
client.Account = acc;
client.WriteLine(string.Concat("Welcome ", acc.Username, ", you have been authenticated"));
Console.WriteLine("Telnet client authenticated: {0}", acc.Username);
}
else
{
client.WriteLine("Your access level is too low to use the telnet interface");
Console.WriteLine("Inadequite accesslevel on slot: {0} Account: {1} IP:{2}", e.SocketID, acc.Username, e.Endpoint.ToString());
client.DisconnectSocket();
return;
}
}
else
{
if (client.LoginAttempt == 3)
{
client.WriteLine("Login attempts exceeded. 3 strikes, you're out!");
client.DisconnectSocket();
Console.WriteLine("Telnet authentication attempts exceeded on IP: {0}", e.Endpoint.ToString());
return;
}
else
{
client.WriteLine("Bad credentials, try again\r\nSend <USER> <PASS> for authentication");
}
}
}
}
else
{
KonsoleCommands.ProcessKonsoleInput(data);
Console.WriteLine("[WowwoW <? for help>]");
}
}
catch (Exception ex)
{
SocketHelper.ShowError(this, ex);
}
}