bool AddUserToActiveConnections(ref networkServer.networkClientInterface ClientInterface, string ApplicationHash, string ComputerID, string architecture, String language, double version)
{
if (!CCstData.InstanceExists(ApplicationHash))
{
//Instance does not exist. The player must have manipulated the protocol!
CCstData.GetInstance(ApplicationID).Logger.writeInLog(1, LogCategory.CRITICAL, Support.LoggerType.SERVER, String.Format("Invalid application hash received in authentification protocol! ComputerID: {0}, ApplicationHash: {1}", ComputerID, ApplicationHash));
return(false);
}
if (CCstData.GetInstance(ApplicationHash).LatestClientVersion != version)
{
CCstData.GetInstance(ApplicationID).Logger.writeInLog(3, LogCategory.ERROR, Support.LoggerType.CLIENT, String.Format("Invalid version! Having {0}, expected {1}. Hardware ID {2}", version, CCstData.GetInstance(ApplicationHash).LatestClientVersion, ComputerID));
SendProtocol("201;35;Antihack Client version outdated!", ClientInterface);
return(false);
}
////Check if user is already connected
//foreach (networkServer.networkClientInterface item in ActiveConnections)
//{
// if(item.User.ID==ComputerID
// && item.User.Application.Hash==ApplicationHash)
// {
// //User is already registered
// CCstData.GetInstance(ApplicationID).Logger.writeInLog(2, LogCategory.OK, Support.LoggerType.CLIENT, "Authentification: User is already added to list!");
// SendProtocol("201;2;Still logged in. Please try again", ClientInterface);
// return false;
// }
//}
CCstData.GetInstance(ApplicationID).Logger.writeInLog(4, LogCategory.OK, Support.LoggerType.DATABASE, "Authentification: Checking user in the database");
EPlayer dataClient = SPlayer.Authenticate(ComputerID, ApplicationHash, architecture, language, ClientInterface.IP.ToString());
CCstData.GetInstance(ApplicationID).Logger.writeInLog(4, LogCategory.OK, Support.LoggerType.DATABASE, "Authentification: User found!");
if (dataClient == null)
{
//If a computer ID exists multiple times in the database, a null object is returned
CCstData.GetInstance(ApplicationID).Logger.writeInLog(1, LogCategory.CRITICAL, Support.LoggerType.DATABASE, "Authentification: Hardware ID exists multiple times in the database");
SendProtocol("201;3;Contact Admin", ClientInterface);
return(false);
}
dataClient.Application.Hash = ApplicationHash;
//Check if user is banned
if (dataClient.isBanned == true)
{
//Do something and dont let him enter
CCstData.GetInstance(ApplicationID).Logger.writeInLog(2, LogCategory.OK, Support.LoggerType.SERVER, String.Format("Authentification: Banned user tried to authentificate. User: {0}", dataClient.ID));
//Send protocol to client that user is banned
SendProtocol("201;4;Too many hacks", ClientInterface);
return(false);
}
//Add EPlayer to ClientInterface and to the list
ClientInterface.User = dataClient;
//Generate unique Session ID for network communication
CCstData.GetInstance(ApplicationID).Logger.writeInLog(3, LogCategory.OK, Support.LoggerType.SERVER, "Authentification: Start creating a unique session ID");
while (true)
{
string SessionID = AdditionalFunctions.GenerateSessionID(CCstData.GetInstance(ApplicationHash).SessionIDLength);
//Checks if that connection exists already. Gives back the amount of matching ClientInterfaces
if (ActiveConnections.Where(Client => Client.SessionID == SessionID).ToList().Count == 0)
{
ClientInterface.SessionID = SessionID;
CCstData.GetInstance(ApplicationID).Logger.writeInLog(3, LogCategory.OK, Support.LoggerType.SERVER, String.Format("New user authentificated! HardwareID: {0}, Session ID: {1}", dataClient.ID, SessionID));
break;
}
}
//Add the new connection to the list of connected connections
ClientInterface.SetPingTimer(CCstData.GetInstance(dataClient.Application.ID).PingTimer, KickUser);
bool IpExistsAlready = false;
foreach (var Client in ActiveConnections)
{
if (Client.IP == ClientInterface.IP)
{
IpExistsAlready = true;
}
}
//Linux takes ages to connect. Therefore contact the client before it sends another request
if (!IpExistsAlready)
{
if (!CCstData.GetInstance(ApplicationID).GameDLL.AllowUser(ClientInterface.IP, ClientInterface.User.ID))
{
//Do something and dont let him enter
CCstData.GetInstance(ApplicationID).Logger.writeInLog(2, LogCategory.ERROR, Support.LoggerType.GAMEDLL, String.Format("Linux exception failed. User: {0}", dataClient.ID));
//Send protocol to client that user is banned
SendProtocol("201;30;Access verification failed", ClientInterface);
return(false);
}
}
else
{
CCstData.GetInstance(ApplicationID).Logger.writeInLog(2, LogCategory.OK, Support.LoggerType.SERVER, String.Format("Authentication: IP already exists ({0})", ClientInterface.IP.ToString()));
}
ActiveConnections.Add(ClientInterface);
SendProtocol("200;" + ClientInterface.SessionID, ClientInterface);
CCstData.GetInstance(ApplicationID).Logger.writeInLog(2, LogCategory.OK, Support.LoggerType.SERVER, String.Format("Authenticated new user. Computer ID: {0}, Session ID: {1}", ClientInterface.User.ID, ClientInterface.SessionID));
/*if (!IpExistsAlready)
* {
* //If there is already an IP exception, we dont need another
* try
* {
* ClientInterface.unixSshConnectorAccept.Connect();
* }
* catch (Exception)
* {
*
* }
* if (ClientInterface.unixSshConnectorAccept.IsConnected)
* {
* List<int> Ports = new List<int>();
* Ports.Add(50001);
* Ports.Add(50002);
* Ports.Add(50003);
* Ports.Add(50004);
* Ports.Add(50005);
* Ports.Add(50006);
* Ports.Add(50007);
* Ports.Add(50008);
* Ports.Add(50009);
* Ports.Add(50010);
* Ports.Add(50011);
* Ports.Add(50012);
* Ports.Add(50013);
* Ports.Add(50014);
* Ports.Add(50015);
* Ports.Add(50016);
* Ports.Add(50017);
* Ports.Add(50018);
* Ports.Add(50019);
* Ports.Add(50020);
* string LinuxPorts = "";
* foreach (int item in Ports)
* {
* LinuxPorts += "iptables -I INPUT -p tcp -s " + ClientInterface.IP + " --dport " + item + " -j ACCEPT && ";
* }
* if(LinuxPorts.Length > 0)
* {
* LinuxPorts = LinuxPorts.TrimEnd(' ');
* LinuxPorts = LinuxPorts.TrimEnd('&');
* using (SshCommand Result = ClientInterface.unixSshConnectorAccept.RunCommand(LinuxPorts))
* {
* if (Result.Error.Length > 0)
* CCstData.GetInstance(ApplicationID).Logger.writeInLog(2, LogCategory.ERROR, Support.LoggerType.GAMEDLL, "Linux exception failed! Session ID: " + ClientInterface.SessionID + ", Error: " + Result.Error);
* else
* CCstData.GetInstance(ApplicationID).Logger.writeInLog(2, LogCategory.OK, Support.LoggerType.GAMEDLL, "Linux exception successful. Session ID: " + ClientInterface.SessionID + ", Result: " + Result.Result);
* }
* }
*
* ClientInterface.unixSshConnectorAccept.Disconnect();
* }
* else
* {
* //Fehlerinfo
* CCstData.GetInstance(ApplicationID).Logger.writeInLog(2, LogCategory.ERROR, Support.LoggerType.CLIENT, "Client could not be connected to the Linux Server. Session ID: " + ClientInterface.SessionID);
* return false;
* }
* }
* else
* {
* string AllIPs = "";
* foreach (var item in ActiveConnections)
* {
* AllIPs += String.Format(" User: {0}, IP: {1} -", item.User.ID, item.IP);
* }
* CCstData.GetInstance(ApplicationID).Logger.writeInLog(2, LogCategory.OK, Support.LoggerType.SERVER, String.Format("Authentication: IP already exists ({0})", AllIPs));
* }*/
return(true);
}
