protected override void ProcessFirstMessage(bool isChecksummed)
{
if (!isChecksummed)
{
ProcessStatusMessage();
return;
}
InMessage.GetByte(); //Protocol Id
InMessage.GetUInt16(); //Client OS
Version = InMessage.GetUInt16(); //Client Version
if (Version < Constants.ClientVersionMin || Version > Constants.ClientVersionMax)
{
Disconnect("Only clients with protocol " + Constants.ClientVersionStr + " allowed!", Version);
return;
}
//This is 10.76 server, only handling 10.76 client bytes
InMessage.SkipBytes(17);
/*
* Skipped bytes:
* 4 bytes: protocolVersion
* 12 bytes: dat, spr, pic signatures (4 bytes each)
* 1 byte: 0
*
*/
if (!InMessage.RsaDecrypt())
{
Logger.Log(LogLevels.Information, "LoginConnection: Message could not be decrypted");
Disconnect();
return;
}
XteaKey[0] = InMessage.GetUInt32();
XteaKey[1] = InMessage.GetUInt32();
XteaKey[2] = InMessage.GetUInt32();
XteaKey[3] = InMessage.GetUInt32();
IsEncryptionEnabled = true;
string accountName = InMessage.GetString();
byte[] password = InMessage.GetBytes(InMessage.GetUInt16());
DispatcherManager.DatabaseDispatcher.AddTask(() => HandleLoginPacket(accountName, password));
}
private bool CompleteRead(IAsyncResult ar)
{
try
{
int read = Stream.EndRead(ar);
if (read == 0)
{
// client disconnected
Close();
return(false);
}
int size = BitConverter.ToUInt16(InMessage.Buffer, 0) + 2;
while (read < size)
{
if (Stream.CanRead)
{
read += Stream.Read(InMessage.Buffer, read, size - read);
}
}
InMessage.Resize(size);
InMessage.GetUInt16(); // total length
return(true);
}
catch (Exception e)
{
// TODO: I must not swallow exceptions.
// TODO: is closing the connection really necesary?
Console.WriteLine(e.ToString());
Close();
}
return(false);
}