public static void HandleOpCodes(Decode decode)
{
try
{
Systems sys = (Systems)decode.Packet;
sys.PacketInformation = decode;
PacketReader reader = new PacketReader(sys.PacketInformation.buffer);
LogDebug.Show("Opcode: {0}", decode.opcode);
OpCodes opc = (OpCodes)decode.opcode;
if (opc == OpCodes._MSG_LOGIN)
{
{
string usernameShift = reader.String(32);
string passwordMd5 = reader.String(32);
reader.Skip(4);
string clientMac = reader.String(32);
reader.Skip(32);
uint unk3 = reader.UInt32();
StringShift shift = new StringShift();
string username = shift.Parser(usernameShift);
LogDebug.Show("username: {0}", username);
LogDebug.Show("password_md5: {0}", passwordMd5);
LogDebug.Show("MAC: {0}", clientMac);
LogDebug.Show("unk3: {0}", unk3);
int res = UserLogin(username, passwordMd5, clientMac);
switch (res)
{
case (int)AuthenticationStatus.OK:
{
sys.client.SendC(ServerList());
break;
}
case (int)AuthenticationStatus.BANNED:
{
sys.client.SendC(UserFail(0xF0, Reason.BANNED));
break;
}
default:
{
sys.client.SendC(UserFail(0xF0, Reason.AUTH_FAILED));
break;
}
}
}
}
else
{
LogConsole.Show("Default Opcode: {0:X} - {1}", decode.opcode, opc);
LogDebug.HexDump(sys.PacketInformation.buffer, 16, true, false);
}
}
catch (Exception)
{
// ignored
}
}
public void ReceiveData(IAsyncResult ar)
{
Socket wSocket = (Socket)ar.AsyncState;
try
{
if (wSocket.Connected)
{
int recvSize = wSocket.EndReceive(ar); // get the count of received bytes
bool checkData = true;
if (recvSize > 0)
{
if ((recvSize + bufCount) > MAX_BUFFER) // that may be a try to force buffer overflow, we don't allow that ;)
{
checkData = false;
LocalDisconnect(wSocket);
}
else
{ // we have something in input buffer and it is not beyond our limits
Buffer.BlockCopy(tmpbuf, 0, buffer, bufCount, recvSize); // copy the new data to our buffer
bufCount += recvSize; // increase our buffer-counter
}
}
else
{ // 0 bytes received, this should be a disconnect
checkData = false;
LocalDisconnect(wSocket);
}
while (checkData) // repeat while we have data
{
checkData = false;
if (bufCount >= 4) // a minimum of 4 byte is required for us
{
byte[] newtmp = new byte[bufCount];
Buffer.BlockCopy(buffer, 0, newtmp, 0, bufCount);
LogDebug.HexDump(newtmp, 16, true, true);
Decode de = new Decode(buffer); // only get the size first.
Decode tmp_de = new Decode(tmpbuf);
LogConsole.Show("TMP BUFFER OPCODE: {0}", tmp_de.opcode);
LogConsole.Show("bufCount: {0} dataSize: {1}", bufCount, de.dataSize);
if (bufCount >= (de.dataSize - 2)) // It's a complete packet. Call the handler.
{
de = new Decode(wSocket, de.tempbuff, this, Packets); // build up the Decode structure for next step
OnReceiveData(de); // call the handling routine
bufCount -= (de.dataSize); // decrease buffer-counter
if (bufCount >= 0) // was the buffer greater than what the packet needs? then it may be the next packet.
{
Buffer.BlockCopy(buffer, 2 + de.dataSize, buffer, 0, bufCount); // move the rest to buffer start
checkData = true; // loop for next packet
}
}
else
{
byte[] _tempddd = new byte[bufCount];
EncDec c = new EncDec();
byte[] dddxx = c.Crypt(buffer);
Buffer.BlockCopy(dddxx, 0, _tempddd, 0, de.dataSize);
LogConsole.Show("bufCount: {0} dataSize: {1}", bufCount, de.dataSize);
LogDebug.HexDump(_tempddd, 16, true, true);
}
de = null;
}
}
// start the next async read
if (wSocket.Connected)
{
wSocket.BeginReceive(tmpbuf, 0, tmpbuf.Length, SocketFlags.None, new AsyncCallback(ReceiveData), wSocket);
}
}
else
{
LocalDisconnect(wSocket);
}
}
catch (SocketException) // explicit handling of SocketException
{
LocalDisconnect(wSocket);
}
catch (Exception ex) // other exceptions
{
LogConsole.Show("Exception Occurred! {0}", ex.Message);
LocalDisconnect(wSocket);
}
}