ReadSkip() public method

public ReadSkip ( int pLength ) : bool
pLength int
return bool
Example #1
0
        public static void TransferKey(WorldClient client, Packet packet)
        {
            string key;
            if (!packet.ReadSkip(18) || !packet.TryReadString(out key, 32))
            {
                Log.WriteLine(LogLevel.Warn, "Invalid connection request.");
                client.Disconnect();
                return;
            }
            ClientTransfer transfer = ClientManager.Instance.GetTransfer(key);
            if (transfer != null)
            {
                // Check if client does not connect from localhost or LAN,
                // and if it's connecting from the correct IP.
                // When this check is not done, people can remote hack someone.
                if (!client.Host.StartsWith("127.0") && !client.Host.StartsWith("192.") && transfer.HostIP != client.Host)
                {
                    Log.WriteLine(LogLevel.Warn, "Remotehack from {0}", client.Host);
                    SendError(client, ServerError.INVALID_CREDENTIALS);
                }
                else
                {
                    if (ClientManager.Instance.RemoveTransfer(transfer.Hash) && (!Program.Maintenance || transfer.Admin > 0)) //admins can still login
                    {
                        client.Authenticated = true;
                        client.AccountID = transfer.AccountID;
                        client.Admin = transfer.Admin;
                        client.Username = transfer.Username;
                        client.lastPing = DateTime.Now; //this is so pongthread can start checking him
                        client.Pong = true;
                        client.AccountKey = key;
                        client.RandomID = MathUtils.RandomizeUShort(ushort.MaxValue);

                        Log.WriteLine(LogLevel.Debug, "{0} authenticated.", client.Username);
                        SendCharacterList(client);
                    }
                }
            }
            else
            {
                Log.WriteLine(LogLevel.Warn, "Invalid client authentication from {0}", client.Host);
                SendError(client, ServerError.INVALID_CREDENTIALS);
            }
        }
Example #2
0
        public static void On_GameClient_CreateGuild(WorldClient Client, Packet Packet)
        {
            string name, password;
            bool allowGuildWar;
            if (!Packet.TryReadString(out name, 16)
                || !Packet.TryReadString(out password, 8)
                || !Packet.ReadSkip(4) // unk ?
                || !Packet.TryReadBool(out allowGuildWar))
            {
                return;
            }

            GuildCreateResponse response;

            if (Client.Character.Character.CharLevel < 20)
            {
                response = GuildCreateResponse.LevelTooLow;
            }
            else if (Client.Character.Character.Money < Guild.Price)
            {
                response = GuildCreateResponse.MoneyTooLow;
            }
            else
            {
                //encrypt guild pw
               var pwData = Encoding.UTF8.GetBytes(password);
            //                InterCrypto.Encrypt(ref pwData, 0, pwData.Length);

                Guild guild;

                //try to create guild
                lock (ThreadLocker)
                {
                    int result;
                    int guildID;
                    var createTime = Program.CurrentTime;

                    using (var con = Program.DatabaseManager.GetClient().GetConnection())
                    {
                        //insert guild in db
                        using (var cmd = con.CreateCommand())
                        {
                            cmd.CommandType = CommandType.StoredProcedure;
                            cmd.CommandText = "Guild_Create";

                            cmd.Parameters.Add(new MySqlParameter("@pName", name));
                            cmd.Parameters.Add(new MySqlParameter("@pPassword", pwData));
                            cmd.Parameters.Add(new MySqlParameter("@pAllowGuildWar", allowGuildWar));
                            cmd.Parameters.Add(new MySqlParameter("@pCreaterID", Client.Character.ID));
                            cmd.Parameters.Add(new MySqlParameter("@pCreateTime", createTime));

                            var idParam = cmd.Parameters.Add(new MySqlParameter("@pID", SqlDbType.Int)
                                {
                                    Direction = ParameterDirection.Output
                                });
                            result = Convert.ToInt32(cmd.ExecuteScalar());
                            guildID = (int)idParam.Value;
                        }

                        switch (result)
                        {
                            case -1:
                                //guild name already exists (ToDo: get response code)

                                SendGuildCreateResponse(Client, name, password, allowGuildWar, GuildCreateResponse.AlredyExist);
                                return;

                            case -2: //database error @ insert guild (ToDo: get response code)
                                SendGuildCreateResponse(Client, name, password, allowGuildWar, GuildCreateResponse.Failed);
                                return;
                            case -3: //database error @ insert guild academy (ToDo: get response code)
                                SendGuildCreateResponse(Client, name, password, allowGuildWar, GuildCreateResponse.Failed);
                                return;

                            case 0:

                                //create guild
                                guild = new Guild(con, guildID, name, pwData, allowGuildWar, Client.Character, createTime);
                            //insert guild master (character will get updated)
                                guild.AddMember(Client.Character, GuildRank.Master, con, false, false);
                                //add to loaded guilds
                                LoadedGuilds.Add(guild);

                                break;

                            default:
                                return;
                        }
                    }
                }

                Client.Character.
                //revoke money
               Client.Character.ChangeMoney(Client.Character.Character.Money - Guild.Price);

                //let character broadcast guild name packet
                using (var packet = new Packet(SH29Type.GuildNameResult))
                {
                    packet.WriteInt(guild.ID);
                    packet.WriteString(guild.Name, 16);

                    BroadcastManager.Instance.BroadcastInRange(Client.Character, packet, true);
                }

                //let zone know that a guild has been loaded
                using (var packet = new InterPacket(InterHeader.ZONE_GuildCreated))
                {
                    packet.WriteInt(guild.ID);
                    packet.WriteInt(Client.Character.ID);

                    ZoneManager.Instance.Broadcast(packet);
                }

                //set response to success
                response = GuildCreateResponse.Success;
            }

            SendGuildCreateResponse(Client, name, password, allowGuildWar, response);
        }