public override void Run()
{
while (!terminationRequested || !incomingPacketQueue.IsEmpty)
{
IncomingDatagramPacket packet;
if (incomingPacketQueue.TryDequeue(out packet))
{
ReadOnlyBitStream packetStream = new ReadOnlyBitStream(packet.Data);
byte rakNetPacketId = packetStream.ReadByte();
switch (rakNetPacketId)
{
case 17: // ID_NEW_INCOMING_CONNECTION
{
Server.Instance.Scheduler.RunTask(() => Server.Instance.EventManager.Publish(new ClientConnectEvent(packet.SourceAddress, packet.SourcePort, packet.DestinationAddress, packet.DestinationPort)));
break;
}
case 19: // ID_DISCONNECTION_NOTIFICATION
case 20: // ID_CONNECTION_LOST
{
Server.Instance.Scheduler.RunTask(() => Server.Instance.EventManager.Publish(new ClientDisconnectEvent(packet.SourceAddress, packet.SourcePort, packet.DestinationAddress, packet.DestinationPort)));
break;
}
case 83: // ID_USER_PACKET_ENUM
{
try
{
RemoteConnectionType remoteConnectionType = (RemoteConnectionType)packetStream.ReadUInt16();
uint luPacketId = packetStream.ReadUInt32();
packetStream.SkipBytes(1);
IUnserializable gamePacket = null;
switch (remoteConnectionType)
{
case RemoteConnectionType.General:
{
GeneralPacketId generalPacketId = (GeneralPacketId)luPacketId;
switch (generalPacketId)
{
case GeneralPacketId.MSG_SERVER_VERSION_CONFIRM:
{
gamePacket = new GeneralVersionConfirmPacket();
break;
}
default:
{
Server.Instance.Logger.Log("Received an unknown LU packet. generalPacketId=" + generalPacketId);
break;
}
}
break;
}
case RemoteConnectionType.Auth:
{
AuthPacketId authPacketId = (AuthPacketId)luPacketId;
switch (authPacketId)
{
case AuthPacketId.MSG_AUTH_LOGIN_REQUEST:
{
gamePacket = new AuthLoginRequestPacket();
break;
}
default:
{
Server.Instance.Logger.Log("Received an unknown LU packet. authPacketId=" + authPacketId);
break;
}
}
break;
}
case RemoteConnectionType.World:
{
WorldPacketId worldPacketId = (WorldPacketId)luPacketId;
switch (worldPacketId)
{
case WorldPacketId.MSG_WORLD_CLIENT_VALIDATION:
{
gamePacket = new WorldValidationPacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_CHARACTER_LIST_REQUEST:
{
gamePacket = new WorldCharacterListRequestPacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_CHARACTER_CREATE_REQUEST:
{
gamePacket = new WorldCharacterCreateRequestPacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_CHARACTER_DELETE_REQUEST:
{
gamePacket = new WorldCharacterDeleteRequestPacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_CHARACTER_RENAME_REQUEST:
{
gamePacket = new WorldCharacterRenameRequestPacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_LOGIN_REQUEST:
{
gamePacket = new WorldLoginRequestPacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_LEVEL_LOAD_COMPLETE:
{
gamePacket = new WorldLevelLoadCompletePacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_POSITION_UPDATE:
{
gamePacket = new WorldPositionUpdatePacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_GAME_MSG:
{
long objectId = packetStream.ReadInt64();
ushort gameMessageId = packetStream.ReadUInt16();
switch (gameMessageId)
{
case (ushort)GameMessageId.PlayerLoaded:
{
gamePacket = new PlayerLoadedGameMessage(objectId);
break;
}
default:
{
Server.Instance.Logger.Log("Received an unknown LU packet. gameMessageId=" + gameMessageId);
break;
}
}
break;
}
default:
{
Server.Instance.Logger.Log("Received an unknown LU packet. worldPacketId=" + worldPacketId);
break;
}
}
break;
}
default:
{
Server.Instance.Logger.Log("Received an unknown LU packet. remoteConnectionType=" + remoteConnectionType);
break;
}
}
if (gamePacket != null)
{
gamePacket.FromBitStream(packetStream);
Server.Instance.Scheduler.RunTask(() => Server.Instance.EventManager.Publish(new GamePacketReceiveEvent(packet.SourceAddress, packet.SourcePort, packet.DestinationAddress, packet.DestinationPort, gamePacket)));
}
}
catch (Exception exc)
{
StackTrace stackTrace = new StackTrace(exc, true);
StackFrame stackFrame = stackTrace.GetFrame(0);
string fileName = stackFrame.GetFileName();
int fileLine = stackFrame.GetFileLineNumber();
int fileColumn = stackFrame.GetFileColumnNumber();
Server.Instance.Logger.Log("Received an invalid game packet. address=" + packet.SourceAddress + " port=" + packet.SourcePort + " exception=" + exc.Message + " stackTrace=" + fileName + ":" + fileLine + ":" + fileColumn);
}
break;
}
default:
{
Server.Instance.Logger.Log("Received an unknown RakNet packet. rakNetPacketId=" + rakNetPacketId);
break;
}
}
}
else
{
Thread.Sleep(1);
}
}
}
public void OnAuthLoginRequestPacketReceive(GamePacketReceiveEvent e)
{
if (e.Packet is AuthLoginRequestPacket)
{
AuthLoginRequestPacket request = (AuthLoginRequestPacket)e.Packet;
string username = request.Username;
string password = request.Password;
string maintenanceText = null;
if (File.Exists("./maintenance.txt"))
{
string[] lines = File.ReadAllLines("./maintenance.txt");
maintenanceText = String.Empty;
for (int i = 0; i < lines.Length; i++)
{
if (i > 0)
{
maintenanceText += "\n";
}
maintenanceText += lines[i];
}
}
Server.Instance.Scheduler.RunTaskAsync(
() =>
{
ClientLoginResponsePacket response = new ClientLoginResponsePacket();
AccountInfo accountInfo = null;
MySqlHandle mySqlHandle = Server.Instance.DatabaseManager.GetMySqlHandle();
try
{
mySqlHandle.Open();
accountInfo = mySqlHandle.AccountsGetAccountInfo(username);
if (accountInfo != null)
{
Rfc2898DeriveBytes pbkdf2 = new Rfc2898DeriveBytes(password, accountInfo.PasswordSalt, accountInfo.PasswordIterations, HashAlgorithmName.SHA256);
byte[] passwordHash = pbkdf2.GetBytes(32);
if (passwordHash.SequenceEqual(accountInfo.PasswordHash))
{
response.LoginResult = LoginResult.Allow;
}
else
{
response.LoginResult = LoginResult.DenyInvalidCredentials;
}
}
else
{
response.LoginResult = LoginResult.DenyInvalidCredentials;
}
mySqlHandle.Close();
}
catch (Exception exc)
{
Server.Instance.LogDatabaseError(exc);
}
mySqlHandle.Free();
if (maintenanceText != null)
{
response.LoginResult = LoginResult.DenyCustomError;
response.CustomErrorMessage = maintenanceText;
}
if (response.LoginResult == LoginResult.Allow)
{
Session session = Server.Instance.SessionManager.CreateSession(e.SourceAddress, e.SourcePort, accountInfo);
response.SessionSecret = session.Secret;
}
else
{
response.SessionSecret = "AUTHENTICATION FAILED";
}
response.CharacterInstanceIp = e.DestinationAddress;
response.ChatInstanceIp = e.DestinationAddress;
response.CharacterInstancePort = Server.Instance.WorldPort;
response.ChatInstancePort = Server.Instance.WorldPort;
Server.Instance.SendGamePacket(response, ClientPacketId.MSG_CLIENT_LOGIN_RESPONSE, e.SourceAddress, e.SourcePort);
Server.Instance.Logger.Log("A client requested to authenticate. address=" + e.SourceAddress + " port=" + e.SourcePort + " username="******" result=" + response.LoginResult);
}
);
}
}
