public static void OPCode(Decode decode)
{
try
{
Systems sys = (Systems)decode.Packet;
sys.PacketInformation = decode;
PacketReader Reader = new PacketReader(sys.PacketInformation.buffer);
LogDebug.Show("Opcode: {0}", decode.opcode);
Opcode opc = (Opcode)decode.opcode;
switch (opc)
{
case Opcode._MSG_LOGIN:
{
string username_shift = Reader.String(32);
string password_md5 = Reader.String(32);
Reader.Skip(4);
string client_mac = Reader.String(32);
Reader.Skip(32);
uint unk3 = Reader.UInt32();
StringShift shift = new StringShift();
string username = shift.Parser(username_shift);
LogDebug.Show("username: {0}", username);
LogDebug.Show("password_md5: {0}", password_md5);
LogDebug.Show("Mac: {0}", client_mac);
LogDebug.Show("unk3: {0}", unk3);
int res = UserLogin(username, password_md5, client_mac);
if (res == (int)AuthenticationStatus.OK)
{
sys.client.SendC(NewCharacterPacket());
}
else if (res == (int)AuthenticationStatus.BANNED)
{
sys.client.SendC(UserFail(0xF0, Reason.BANNED));
}
else
{
sys.client.SendC(UserFail(0xF0, Reason.AUTH_FAILED));
}
}
break;
default:
LogConsole.Show("Default Opcode: {0:X} - {1}", decode.opcode, opc);
LogDebug.HexDump(sys.PacketInformation.buffer, 16, true, false);
break;
}
}
catch (Exception)
{
}
}
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.
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 end = new EncDec();
byte[] dddxx = end.Crypt(buffer);
Buffer.BlockCopy(dddxx, 0, _tempddd, 0, de.dataSize);
LogConsole.Show("bufCount: {0} dataSize: {1}", bufCount, de.dataSize);
}
de = null;
}
}
// start the next async read
if (wSocket != null && 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) // other exceptions
{
LocalDisconnect(wSocket);
}
}