private static unsafe void OnClientReceive(WinsockClient Socket, byte[] Packet, int Length)
{
AuthClient Client = Socket.Wrapper as AuthClient;
Client.Decrypt(Packet);
fixed(byte *pPacket = Packet)
{
ushort Size = *(ushort *)pPacket;
ushort Type = *(ushort *)(pPacket + 2);
HexDump(Packet, "Client -> Server", Size, Type);
switch (Type)
{
case 0x41B:
{
AuthRequest *Request = (AuthRequest *)pPacket;
string Username = new string(Request->Username, 0, 16).Trim('\x00');
string Password = PasswordCipher.Decrypt((uint *)Request->Password);
string Server = new string(Request->Server, 0, 16).Trim('\x00');
string Address = "";
if (Database.ServerExists(Server, out Address))
{
if (Database.AccountExists(Username, Password, Client))
{
#if LOCAL_VERSION
IPHostEntry entry = Dns.GetHostEntry(Dns.GetHostName());
foreach (IPAddress address in entry.AddressList)
{
if (address.AddressFamily == AddressFamily.InterNetwork)
{
string local_ip = address.ToString();
if (local_ip.StartsWith("10"))
{
Address = local_ip;
break;
}
}
}
#endif
SendAuthResponse(Client, Address, 5816);
}
else
{
SendAuthReject(Client, InvalidCredentials());
//Client.Disconnect();
}
}
} break;
}
}
}
private static unsafe void SendAuthReject(AuthClient Client, byte[] Payload)
{
AuthResponse *Response = stackalloc AuthResponse[1];
Response->Size = (ushort)sizeof(AuthResponse);
Response->Type = 0x41F;
Response->AccountID = 0;
Response->LoginToken = 1;
for (int i = 0; i < 16; i++)
{
if (i >= Payload.Length)
{
Response->Address[i] = 0;
}
else
{
Response->Address[i] = (sbyte)Payload[i];
}
}
Client.Send(Response, Response->Size);
}
private static unsafe void SendAuthResponse(AuthClient Client, string Address, ushort Port)
{
AuthResponse* Response = stackalloc AuthResponse[1];
Response->Size = (ushort)sizeof(AuthResponse);
Response->Type = 0x41F;
Response->AccountID = Client.GetAccountID();
uint Token = Response->AccountID | 0xAABB;
Token = Response->AccountID << 8 | Response->AccountID;
Token ^= 0x4321;
Token = Token << 8 | Token;
Response->LoginToken = Token;
Response->Port = Port;
for (int i = 0; i < 16; i++)
{
if (i >= Address.Length)
Response->Address[i] = 0;
else
Response->Address[i] = (sbyte)Address[i];
}
Client.Send(Response, Response->Size);
}
private static unsafe void SendAuthReject(AuthClient Client, byte[] Payload)
{
AuthResponse* Response = stackalloc AuthResponse[1];
Response->Size = (ushort)sizeof(AuthResponse);
Response->Type = 0x41F;
Response->AccountID = 0;
Response->LoginToken = 1;
for (int i = 0; i < 16; i++)
{
if (i >= Payload.Length)
Response->Address[i] = 0;
else
Response->Address[i] = (sbyte)Payload[i];
}
Client.Send(Response, Response->Size);
}