public static void Create <T>(AuthOpCode opCode)
where T : AuthMessage, new()
{
var type = typeof(T);
OpCodeLookup.Add(type, opCode);
TypeLookup.Add(opCode, type);
}
public static AuthMessage GetMessage(AuthOpCode opCode, BinaryReader r)
{
var type = TypeLookup.GetValueOrDefault(opCode);
if (type == null)
{
throw new NetsphereBadOpCodeException(opCode);
}
return((AuthMessage)Serializer.Deserialize(r, type));
}
public byte[] ServerChallange(AuthOpCode op)
{
byte[] bytes = Encoding.ASCII.GetBytes((this.Name + ":" + this.Password).ToUpper().ToCharArray());
this.usernameUP = Encoding.ASCII.GetBytes(this.Name.ToUpper().ToCharArray());
this.G = new BigInteger(new byte[] { 7 });
byte[] buffer2 = new byte[] { 1 };
this.salt = new byte[0x20];
this.b = new byte[20];
rand.NextBytes(this.salt);
rand.NextBytes(this.b);
byte[] bs = new SHA1CryptoServiceProvider().ComputeHash(bytes, 0, bytes.Length);
ByteArrayBuilderV2 rv = new ByteArrayBuilderV2();
rv.Add(this.salt);
rv.Add(bs);
SHA1 sha2 = new SHA1CryptoServiceProvider();
BigInteger exp = new BigInteger(AuthServer.Utils.Reverse(sha2.ComputeHash((byte[])rv, 0, rv.Length)));
BigInteger n = new BigInteger(rN);
this.v = this.G.modPow(exp, n);
this.rb = AuthServer.Utils.Reverse(this.b);
this.K = new BigInteger(new byte[] { 3 });
BigInteger integer3 = this.K * this.v;
BigInteger integer4 = this.G.modPow(new BigInteger(this.rb), new BigInteger(rN));
BigInteger integer5 = integer3 + integer4;
this.B = BigInteger.op_Modulus(integer5, new BigInteger(rN));
this.pack.Clear();
this.pack.Add((byte)op);
this.pack.Add((byte)0);
this.pack.Add((byte)0);
this.pack.Add(AuthServer.Utils.Reverse(this.B.getBytes(0x20)));
this.pack.Add(new byte[] { 1, 7, 0x20 });
this.pack.Add(N);
this.pack.Add(this.salt);
this.pack.Add(new byte[0x10]);
this.pack.Add((byte)0);
return((byte[])this.pack);
}
private void PacketHandle(ClientConnection Client)
{
if (Client.Data.Length > 1)
{
AuthOpCode op = (AuthOpCode)Client.Data[0];
Console.WriteLine(op.ToString());
this.OutPacket.Clear();
switch (op)
{
case AuthOpCode.AUTH_LOGON_CHALLENGE:
if (Client.Data.Length > 0x23)
{
Client.Data.Seek(11);
Client.Data.Get(out this.build);
if (this.build != 0x1992)
{
this.OutPacket.Add((byte)0);
this.OutPacket.Add((byte)0);
this.OutPacket.Add((byte)9);
Client.Send((byte[])this.OutPacket);
}
else
{
Client.Data.Seek(0x10);
Client.Data.Get(out this.ip1);
Client.Data.Get(out this.ip2);
Client.Data.Get(out this.ip3);
Client.Data.Get(out this.ip4);
this.ip = string.Concat(new object[] { Convert.ToDecimal(this.ip1), ".", Convert.ToDecimal(this.ip2), ".", Convert.ToDecimal(this.ip3), ".", Convert.ToDecimal(this.ip4) });
Client.Data.Get(out this.NameLen);
Client.Data.Get(out Client.User.Name);
Client.User.Name = Client.User.Name.ToLower();
this.DbManager.Write("UPDATE accounts SET lastip='" + this.ip + "' WHERE name='" + Client.User.Name + "'");
this.MySqlReader = this.DbManager.Read("SELECT password,banned,locked,online,inworld FROM accounts WHERE name='" + Client.User.Name + "'");
if (!this.MySqlReader.Read())
{
this.OutPacket.Add((byte)0);
this.OutPacket.Add((byte)0);
this.OutPacket.Add((byte)4);
Client.Send((byte[])this.OutPacket);
this.MySqlReader.Close();
}
else if (this.MySqlReader.GetBoolean(3) || this.MySqlReader.GetBoolean(4))
{
this.OutPacket.Add((byte)0);
this.OutPacket.Add((byte)0);
this.OutPacket.Add((byte)6);
Client.Send((byte[])this.OutPacket);
this.MySqlReader.Close();
}
else if (this.MySqlReader.GetBoolean(1))
{
this.OutPacket.Add((byte)0);
this.OutPacket.Add((byte)0);
this.OutPacket.Add((byte)3);
Client.Send((byte[])this.OutPacket);
this.MySqlReader.Close();
}
else if (this.MySqlReader.GetBoolean(2))
{
this.OutPacket.Add((byte)0);
this.OutPacket.Add((byte)0);
this.OutPacket.Add((byte)15);
Client.Send((byte[])this.OutPacket);
this.MySqlReader.Close();
}
else
{
Client.User.Password = this.MySqlReader[0].ToString();
this.MySqlReader.Close();
this.DbManager.Write("UPDATE accounts SET online=1 WHERE name='" + Client.User.Name + "'");
Client.Authed = true;
Client.Send(Client.User.ServerChallange(op));
}
}
break;
}
return;
case AuthOpCode.AUTH_LOGON_PROOF:
Client.Send(Client.User.ServerProof(Client.Data));
if (Client.User.Hash != null)
{
this.DbManager.WriteSessionKey(Client.User.Name, Client.User.Hash);
}
this.DbManager.Write("UPDATE accounts SET last_access='" + DateTime.Now.ToString() + "' WHERE name='" + Client.User.Name + "'");
break;
case AuthOpCode.REALM_LIST:
this.MySqlReader = this.DbManager.Read("SELECT * FROM realms");
this.r_list.LoadRealmList(this.MySqlReader);
this.MySqlReader.Close();
this.MySqlReader = this.DbManager.Read("SELECT * FROM realmcharacters WHERE accname='" + Client.User.Name + "'");
this.r_list.MakeList(this.MySqlReader);
this.MySqlReader.Close();
Client.Send(this.r_list.GetList());
break;
default:
Console.WriteLine("unhandled Opcode (" + op.ToString() + ")");
break;
}
Client.MRE.Set();
}
}
public NetsphereBadOpCodeException(AuthOpCode opCode)
: base($"Bad opCode: {opCode}")
{
}
