public static void HandleAuthContinuedSession(AuthContinuedSession authContinuedSession, WorldSession session)
{
var gameAccount = Manager.Redirect.GetGameAccountFromRedirect(authContinuedSession.Key);
// Delete redirect key
Manager.Redirect.DeleteGameAccountRedirect(authContinuedSession.Key);
if (gameAccount != null)
{
var sha1 = new SHA1Managed();
var emailBytes = Encoding.UTF8.GetBytes(gameAccount.Account.Id + "#" + gameAccount.Index);
var sessionKeyBytes = gameAccount.SessionKey.ToByteArray();
var challengeBytes = BitConverter.GetBytes(session.Challenge);
sha1.TransformBlock(emailBytes, 0, emailBytes.Length, emailBytes, 0);
sha1.TransformBlock(sessionKeyBytes, 0, 40, sessionKeyBytes, 0);
sha1.TransformFinalBlock(challengeBytes, 0, 4);
if (sha1.Hash.Compare(authContinuedSession.Digest))
{
session.Crypt = new Framework.Cryptography.WoW.WoWCrypt();
session.Crypt.Initialize(gameAccount.SessionKey.ToByteArray(), session.ClientSeed, session.ServerSeed);
// Resume on the new connection
session.Send(new ResumeComms());
return;
}
}
session.Dispose();
}
public static async void HandlePlayerLogin(PlayerLogin playerLogin, WorldSession session)
{
Log.Debug($"Character with GUID '{playerLogin.PlayerGUID.CreationBits}' tried to login...");
var character = DB.Character.Single <Character>(c => c.Guid == playerLogin.PlayerGUID.CreationBits && c.GameAccountId == session.GameAccount.Id);
if (character != null)
{
var worldNode = Manager.Redirect.GetWorldNode((int)character.Map);
if (worldNode != null)
{
// Create new player.
session.Player = new Player(character);
// Suspend the current connection & redirect
await session.Send(new SuspendComms { Serial = 0x14 });
await NetHandler.SendConnectTo(session, worldNode.Address, worldNode.Port, 1);
// Enable key bindings, etc.
await session.Send(new AccountDataTimes { PlayerGuid = session.Player.Guid });
// Enter world.
Manager.Player.EnterWorld(session);
}
}
else
{
session.Dispose();
}
}
public static async Task InvokeHandler <T>(Packet reader, WorldSession session)
{
var message = reader.Header.Message;
Tuple <MethodInfo, Type, SessionState> data;
if (MessageHandlers.TryGetValue(message, out data))
{
if ((session.State & data.Item3) == SessionState.None)
{
var clientInfo = session.GetClientInfo();
Log.Debug($"Client '{clientInfo}': Received not allowed packet for state '{session.State}'.");
Log.Debug($"Disconnecting '{clientInfo}'.");
session.Dispose();
return;
}
var handlerObj = Activator.CreateInstance(data.Item2) as ClientPacket;
handlerObj.Packet = reader;
await Task.Run(() => handlerObj.Read());
if (handlerObj.IsReadComplete)
{
data.Item1.Invoke(null, new object[] { handlerObj, session });
}
else
{
Log.Error($"Packet read for '{data.Item2.Name}' failed.");
}
}
else
{
var msgName = Enum.GetName(typeof(ClientMessage), message) ?? Enum.GetName(typeof(GlobalClientMessage), message);
if (msgName == null)
{
Log.Error($"Received unknown opcode '0x{message:X}, Length: {reader.Data.Length}'.");
}
else
{
Log.Error($"Packet handler for '{msgName} (0x{message:X}), Length: {reader.Data.Length}' not implemented.");
}
}
}
public static async Task SendConnectTo(WorldSession session, string ip, ushort port, byte connection = 0)
{
var connectTo = new ConnectTo
{
Key = Manager.Redirect.CreateRedirectKey(session.Player.Guid.Low),
Serial = 0xE,
Con = connection
};
// Fail
if (connectTo.Key == 0)
{
session.Dispose();
return;
}
var payloadData = new byte[0xFF];
var ipBytes = IPAddress.Parse(ip).GetAddressBytes();
// 0 - 15, Address, IPv6 not supported for now
payloadData[0] = ipBytes[0];
payloadData[1] = ipBytes[1];
payloadData[2] = ipBytes[2];
payloadData[3] = ipBytes[3];
// 16
payloadData[16] = 0x01;
// 17 - 20, adler32, changes with compression seed.
// Let's use a static one for now
payloadData[17] = 0x43;
payloadData[18] = 0xfd;
payloadData[19] = 0xb8;
payloadData[20] = 0x22;
// 21
payloadData[21] = 0x2A;
var portBytes = BitConverter.GetBytes(port);
// 22 - 23, Port
payloadData[22] = portBytes[0];
payloadData[23] = portBytes[1];
var msg = "Blossom opens above\nSpines rising to the air\nMulti-Emu grows stronger\n\0\0";
// 24 - 94, Haiku
Array.Copy(Encoding.ASCII.GetBytes(msg), 0, payloadData, 24, 71);
// 94 - 125, static for now...
Array.Copy(new byte[] { 0xD6, 0xAC, 0x21, 0xE6, 0xB2, 0x7B, 0x06, 0x3D, 0xA9, 0x9C, 0x09, 0x4B, 0xC7, 0x30, 0x48, 0x34, 0xD4, 0xF0, 0x55, 0x3B, 0x1B, 0x1D, 0xC9, 0x5B, 0xFD, 0x3C, 0xB9, 0x30, 0x9D, 0xF5, 0x40, 0xC0 }, 0, payloadData, 94, 32);
// 126 - 233, 0 for now
Array.Copy(new byte[108], 0, payloadData, 126, 108);
// 234 - 253, ranodm for now
Array.Copy(new byte[0].GenerateRandomKey(20), 0, payloadData, 234, 20);
var dataOrder = new byte[payloadData.Length];
for (var i = 0; i < payloadData.Length; i++)
{
dataOrder[i] = payloadData[ConnectTo.PayloadOrder[i]];
}
var encrypted = Manager.Redirect.Crypt.Encrypt(dataOrder);
Array.Copy(encrypted, connectTo.Where, 0x100);
await session.Send(connectTo);
}