private void HandleOneClient(TcpClient tcpClient)
{
if (!Stopwatch.IsRunning)
{
Stopwatch.Start();
}
using (var networkStream = tcpClient.GetStream())
{
using (var reader = new StreamReader(networkStream))
{
var input = reader.ReadLine();
if (input == "get.pass")
{
PasswordFileHandler.SendPasswordFile(_passwordsPath, networkStream);
}
else if (input == "get.words")
{
SendDictionarySubset(networkStream);
}
else if (input.Contains("get.nextset"))
{
var inputArray = input.Split('#');
for (var i = 1; i < inputArray.Length - 1; i++)
{
var userPassPair = inputArray[i].Split(':');
PasswordFileHandler.WriteClearPasswordFile(_crackedPasswordsPath, new[] { userPassPair[0] },
new[] { userPassPair[1] });
}
_dictionaryHandler.SetsReceived++;
SendDictionarySubset(networkStream);
}
}
}
}
public void StartServer(int nrOfSubsets)
{
_dictionaryHandler = new DictionaryHandler(nrOfSubsets);
_running = true;
Console.WriteLine("The master server has been started");
var serverEndPoint = new IPEndPoint(IPAddress.Any, Port);
var tcpServer = new TcpListener(serverEndPoint);
tcpServer.Start();
Stopwatch = new Stopwatch();
while (_running)
{
if (!_dictionaryHandler.IsWorkDone())
{
Console.WriteLine("The server is now listening for connections");
var tcpClient = tcpServer.AcceptTcpClient();
Console.WriteLine("A client has connected to the server");
var t = Task.Run(() => HandleOneClient(tcpClient));
Thread.Sleep(500);
}
else
{
Console.WriteLine("Server has finished the subsets and is attempting a graceful shutdown.");
Console.WriteLine("The passwords that were successfully cracked can be found in bin foler 'crackedPasswords'");
Stopwatch.Stop();
Console.WriteLine("Total time: " + Stopwatch.Elapsed);
_dictionaryHandler.CleanUp();
PasswordFileHandler.StampPasswordFile(_crackedPasswordsPath);
_running = false;
}
}
}
