/// <summary>
        /// A cityserver requested a decryptionkey for a client!
        /// </summary>
        public static void HandleKeyFetch(ref LoginListener Listener, PacketStream P, CityServerClient Client)
        {
            string AccountName = P.ReadString();

            byte[] EncKey = new byte[1];

            foreach (LoginClient Cl in Listener.Clients)
            {
                if (Cl.Username == AccountName)
                {
                    EncKey = Cl.EncKey;

                    if (Cl.CurrentlyActiveSim.CreatedThisSession)
                    {
                        //TODO: Update the DB to reflect the city that
                        //      this sim resides in.
                        Database.UpdateCityForCharacter(Cl.CurrentlyActiveSim.Name, Client.ServerInfo.Name);
                    }
                }
            }

            PacketStream OutPacket = new PacketStream(0x01, 0x00);

            OutPacket.WriteByte((byte)0x01);
            OutPacket.WriteByte((byte)(EncKey.Length + 2));
            OutPacket.WriteByte((byte)EncKey.Length);
            OutPacket.Write(EncKey, 0, EncKey.Length);
            Client.Send(OutPacket.ToArray());

            //For now, assume client has already disconnected and doesn't need to be disconnected manually.
            Listener.TransferringClients.Remove(Client);
        }
        /// <summary>
        /// A cityserver requested a decryptionkey for a client!
        /// </summary>
        public static void HandleKeyFetch(ref LoginListener Listener, PacketStream P, CityServerClient Client)
        {
            string AccountName = P.ReadString();

            byte[] EncKey = new byte[1];

            foreach (LoginClient Cl in Listener.Clients)
            {
                if (Cl.Username == AccountName)
                {
                    EncKey = Cl.EncKey;

                    if (Cl.CurrentlyActiveSim.CreatedThisSession)
                    {
                        //TODO: Update the DB to reflect the city that
                        //      this sim resides in.
                        Database.UpdateCityForCharacter(Cl.CurrentlyActiveSim.Name, Client.ServerInfo.Name);
                    }
                }
            }

            PacketStream OutPacket = new PacketStream(0x01, 0x00);
            OutPacket.WriteByte((byte)0x01);
            OutPacket.WriteByte((byte)(EncKey.Length + 2));
            OutPacket.WriteByte((byte)EncKey.Length);
            OutPacket.Write(EncKey, 0, EncKey.Length);
            Client.Send(OutPacket.ToArray());

            //For now, assume client has already disconnected and doesn't need to be disconnected manually.
            Listener.TransferringClients.Remove(Client);
        }
        /// <summary>
        /// A cityserver requested a decryptionkey for a client!
        /// </summary>
        public static void HandleKeyFetch(NetworkClient Client, ProcessedPacket P)
        {
            string AccountName = P.ReadString();

            byte[] EncKey = new byte[1];

            foreach (NetworkClient Cl in NetworkFacade.CServerListener.Clients)
            {
                if (Cl.ClientEncryptor.Username == AccountName)
                {
                    EncKey = Cl.ClientEncryptor.GetDecryptionArgsContainer().ARC4DecryptArgs.EncryptionKey;

                    //TODO: Figure out what to do about CurrentlyActiveSim...
                    //if (Cl.CurrentlyActiveSim.CreatedThisSession)
                    {
                        //TODO: Update the DB to reflect the city that
                        //      this sim resides in.
                        //Database.UpdateCityForCharacter(Cl.CurrentlyActiveSim.Name, Client.ServerInfo.Name);
                    }
                }
            }

            PacketStream OutPacket = new PacketStream(0x01, 0x00);

            OutPacket.WriteByte((byte)0x01);
            OutPacket.WriteByte((byte)(EncKey.Length + 2));
            OutPacket.WriteByte((byte)EncKey.Length);
            OutPacket.Write(EncKey, 0, EncKey.Length);
            Client.Send(OutPacket.ToArray());

            //For now, assume client has already disconnected and doesn't need to be disconnected manually.
            NetworkFacade.CServerListener.TransferringClients.Remove(Client);
        }
示例#4
0
        public static void HandleLoginRequest(PacketStream P, ref LoginClient Client)
        {
            Logger.LogInfo("Received LoginRequest!\r\n");

            byte PacketLength = (byte)P.ReadByte();

            byte AccountStrLength = (byte)P.ReadByte();

            byte[] AccountNameBuf = new byte[AccountStrLength];
            P.Read(AccountNameBuf, 0, AccountStrLength);
            string AccountName = Encoding.ASCII.GetString(AccountNameBuf);

            Logger.LogInfo("Accountname: " + AccountName + "\r\n");

            byte HashLength = (byte)P.ReadByte();

            byte[] HashBuf = new byte[HashLength];
            P.Read(HashBuf, 0, HashLength);

            Client.Hash = HashBuf;

            byte KeyLength = (byte)P.ReadByte();

            Client.EncKey = new byte[KeyLength];
            P.Read(Client.EncKey, 0, KeyLength);

            byte Version1 = (byte)P.ReadByte();
            byte Version2 = (byte)P.ReadByte();
            byte Version3 = (byte)P.ReadByte();
            byte Version4 = (byte)P.ReadByte();

            Logger.LogInfo("Done reading LoginRequest, checking account...\r\n");

            //Database.CheckAccount(AccountName, Client, HashBuf);

            if (Account.DoesAccountExist(AccountName) && Account.IsCorrectPassword(AccountName, HashBuf))
            {
                //0x01 = InitLoginNotify
                PacketStream OutPacket = new PacketStream(0x01, 2);
                OutPacket.WriteByte(0x01);
                OutPacket.WriteByte(0x01);
                Client.Username = AccountName;
                //This is neccessary to encrypt packets.
                Client.Password = Account.GetPassword(AccountName);
                Client.Send(OutPacket.ToArray());

                Logger.LogInfo("Sent InitLoginNotify!\r\n");
            }
            else
            {
                PacketStream OutPacket = new PacketStream(0x02, 2);
                P.WriteByte(0x02);
                P.WriteByte(0x01);
                Client.Send(P.ToArray());

                Logger.LogInfo("Bad accountname - sent SLoginFailResponse!\r\n");
                Client.Disconnect();
            }
        }
        /// <summary>
        /// Client wanted to transfer to a city server.
        /// </summary>
        public static void HandleCityTokenRequest(NetworkClient Client, ProcessedPacket P)
        {
            string AccountName = P.ReadString();
            string CityGUID    = P.ReadString();
            string CharGUID    = P.ReadString();

            if (AccountName == string.Empty || CityGUID == string.Empty || CharGUID == string.Empty)
            {
                return;
            }

            Guid     Token   = Guid.NewGuid();
            CityInfo CServer = NetworkFacade.CServerListener.GetCityServer(CityGUID);

            using (var db = DataAccess.Get())
            {
                Account Acc = db.Accounts.GetByUsername(AccountName);

                PacketStream CServerPacket = new PacketStream(0x01, 0);
                CServerPacket.WriteHeader();

                ushort PacketLength = (ushort)(PacketHeaders.UNENCRYPTED + 1 + 4 + (Client.RemoteIP.Length + 1)
                                               + 4 + (CharGUID.ToString().Length + 1) + (Token.ToString().Length + 1));
                CServerPacket.WriteUInt16(PacketLength);

                CServerPacket.WriteByte(0);                 //CharacterCreate = false.
                CServerPacket.WriteInt32(Acc.AccountID);
                CServerPacket.WriteString(Client.RemoteIP);
                CServerPacket.WriteInt32(Client.RemotePort);
                CServerPacket.WriteString(CharGUID.ToString());
                CServerPacket.WriteString(Token.ToString(""));
                CServer.Client.Send(CServerPacket.ToArray());
            }
        }
        public override void RemoveClient(NetworkClient Client)
        {
            CityInfo Info = CityServers.FirstOrDefault(x => x.Client == Client);

            if (CityServers.TryTake(out Info))
            {
                lock (NetworkFacade.ClientListener.Clients)
                {
                    PacketStream ClientPacket = new PacketStream((byte)PacketType.CITY_SERVER_OFFLINE, 0);
                    ClientPacket.WriteString(Info.Name);
                    ClientPacket.WriteString(Info.Description);
                    ClientPacket.WriteString(Info.IP);
                    ClientPacket.WriteInt32(Info.Port);
                    ClientPacket.WriteByte((byte)Info.Status);
                    ClientPacket.WriteUInt64(Info.Thumbnail);
                    ClientPacket.WriteString(Info.UUID);
                    ClientPacket.WriteUInt64(Info.Map);

                    foreach (NetworkClient Receiver in NetworkFacade.ClientListener.Clients)
                    {
                        Receiver.SendEncrypted((byte)PacketType.CITY_SERVER_OFFLINE, ClientPacket.ToArray());
                    }
                }

                Debug.WriteLine("Removed CityServer!");
            }
        }
        /// <summary>
        /// Client requested information about a city.
        /// </summary>
        public static void HandleCityInfoRequest(NetworkClient Client, ProcessedPacket P)
        {
            //This packet only contains a dummy byte, don't bother reading it.
            PacketStream Packet = new PacketStream((byte)PacketType.CITY_LIST, 0);

            Packet.WriteByte((byte)NetworkFacade.CServerListener.CityServers.Count);

            if (NetworkFacade.CServerListener.CityServers.Count > 0)
            {
                lock (NetworkFacade.CServerListener.CityServers)
                {
                    foreach (CityInfo CInfo in NetworkFacade.CServerListener.CityServers)
                    {
                        Packet.WriteString(CInfo.Name);
                        Packet.WriteString(CInfo.Description);
                        Packet.WriteString(CInfo.IP);
                        Packet.WriteInt32(CInfo.Port);

                        //Hack (?) to ensure status is written correctly.
                        switch (CInfo.Status)
                        {
                        case CityInfoStatus.Ok:
                            Packet.WriteByte(1);
                            break;

                        case CityInfoStatus.Busy:
                            Packet.WriteByte(2);
                            break;

                        case CityInfoStatus.Full:
                            Packet.WriteByte(3);
                            break;

                        case CityInfoStatus.Reserved:
                            Packet.WriteByte(4);
                            break;
                        }

                        Packet.WriteUInt64(CInfo.Thumbnail);
                        Packet.WriteString(CInfo.UUID);
                        Packet.WriteUInt64(CInfo.Map);
                    }
                }
            }

            Client.SendEncrypted((byte)PacketType.CITY_LIST, Packet.ToArray());
        }
示例#8
0
        public static void HandleCharacterInfoRequest(NetworkClient Client, ProcessedPacket P)
        {
            Logger.LogInfo("Received CharacterInfoRequest!");

            DateTime Timestamp = DateTime.Parse(P.ReadPascalString());

            //Database.CheckCharacterTimestamp(Client.Username, Client, TimeStamp);

            Character[] Characters = new Character[] { };

            using (var db = DataAccess.Get())
            {
                var account = db.Accounts.GetByUsername(Client.ClientEncryptor.Username);
                Characters = db.Characters.GetForAccount((int)account.AccountID).ToArray();
            }

            if (Characters != null)
            {
                PacketStream Packet       = new PacketStream((byte)PacketType.CHARACTER_LIST, 0);
                MemoryStream PacketData   = new MemoryStream();
                BinaryWriter PacketWriter = new BinaryWriter(PacketData);

                /**
                 * Whats the point of checking a timestamp here? It saves a few bytes on a packet
                 * sent once per user session. Premature optimization.
                 */
                PacketWriter.Write((byte)Characters.Length);
                foreach (Character avatar in Characters)
                {
                    PacketWriter.Write((int)avatar.CharacterID);
                    PacketWriter.Write(avatar.GUID.ToString());
                    PacketWriter.Write(avatar.LastCached);
                    PacketWriter.Write(avatar.Name);
                    PacketWriter.Write(avatar.Sex);
                    PacketWriter.Write(avatar.Description);
                    PacketWriter.Write((ulong)avatar.HeadOutfitID);
                    PacketWriter.Write((ulong)avatar.BodyOutfitID);
                    PacketWriter.Write((byte)avatar.AppearanceType);
                    PacketWriter.Write((string)avatar.CityName);
                    PacketWriter.Write((ulong)avatar.CityThumb);
                    PacketWriter.Write((string)avatar.City);
                    PacketWriter.Write((ulong)avatar.CityMap);
                    PacketWriter.Write((string)avatar.CityIp);
                    PacketWriter.Write((int)avatar.CityPort);
                }

                Packet.Write(PacketData.ToArray(), 0, (int)PacketData.Length);
                PacketWriter.Close();
                Client.SendEncrypted(0x05, Packet.ToArray());
            }
            else //No characters existed for the account.
            {
                PacketStream Packet = new PacketStream(0x05, 0);
                Packet.WriteByte(0x00); //0 characters.

                Client.SendEncrypted((byte)PacketType.CHARACTER_LIST, Packet.ToArray());
            }
        }
        public static void HandleCharacterInfoRequest(ref LoginClient Client, PacketStream P)
        {
            ushort PacketLength = (ushort)P.ReadUShort();
            //Length of the unencrypted data, excluding the header (ID, length, unencrypted length).
            ushort UnencryptedLength = (ushort)P.ReadUShort();

            P.DecryptPacket(Client.EncKey, Client.CryptoService, UnencryptedLength);

            Logger.LogDebug("Received CharacterInfoRequest!");

            DateTime Timestamp = DateTime.Parse(P.ReadASCII());

            //Database.CheckCharacterTimestamp(Client.Username, Client, TimeStamp);

            Character[] Characters = new Character[] {};

            using (var db = DataAccess.Get())
            {
                Characters = db.Characters.GetForAccount(Client.AccountID).ToArray();
            }

            if (Characters != null)
            {
                PacketStream Packet       = new PacketStream(0x05, 0);
                MemoryStream PacketData   = new MemoryStream();
                BinaryWriter PacketWriter = new BinaryWriter(PacketData);

                /**
                 * Whats the point of checking a timestamp here? It saves a few bytes on a packet
                 * sent once per user session. Premature optimization.
                 */
                PacketWriter.Write((byte)Characters.Length);
                foreach (Character avatar in Characters)
                {
                    PacketWriter.Write(avatar.CharacterID);
                    PacketWriter.Write(avatar.GUID.ToString());
                    PacketWriter.Write(avatar.LastCached);
                    PacketWriter.Write(avatar.Name);
                    PacketWriter.Write(avatar.Sex);
                }

                Packet.Write(PacketData.ToArray(), 0, (int)PacketData.Length);
                PacketWriter.Close();
                Client.SendEncrypted(0x05, Packet.ToArray());
            }
            else //No characters existed for the account.
            {
                PacketStream Packet = new PacketStream(0x05, 0);
                Packet.WriteByte(0x00); //0 characters.

                Client.SendEncrypted(0x05, Packet.ToArray());
            }
        }
示例#10
0
        /// <summary>
        /// A cityserver logged in!
        /// </summary>
        public static void HandleCityServerLogin(NetworkClient Client, ProcessedPacket P)
        {
            Logger.LogInfo("CityServer logged in!\r\n");

            string         Name        = P.ReadString();
            string         Description = P.ReadString();
            string         IP          = P.ReadString();
            int            Port        = P.ReadInt32();
            CityInfoStatus Status      = (CityInfoStatus)P.ReadByte();
            ulong          Thumbnail   = P.ReadUInt64();
            string         UUID        = P.ReadString();
            ulong          Map         = P.ReadUInt64();

            CityInfo Info = new CityInfo(true);

            Info.Name        = Name;
            Info.Description = Description;
            Info.IP          = IP;
            Info.Port        = Port;
            Info.Status      = Status;
            Info.Thumbnail   = Thumbnail;
            Info.UUID        = UUID;
            Info.Map         = Map;
            Info.Client      = Client;
            Info.Online      = true;

            NetworkFacade.CServerListener.CityServers.Add(Info);
            NetworkFacade.CServerListener.PotentialLogins.TryTake(out Client);

            NetworkClient[] Clients = new NetworkClient[NetworkFacade.ClientListener.Clients.Count];
            NetworkFacade.ClientListener.Clients.CopyTo(Clients, 0);

            PacketStream ClientPacket = new PacketStream((byte)PacketType.NEW_CITY_SERVER, 0);

            ClientPacket.WriteString(Name);
            ClientPacket.WriteString(Description);
            ClientPacket.WriteString(IP);
            ClientPacket.WriteInt32(Port);
            ClientPacket.WriteByte((byte)Status);
            ClientPacket.WriteUInt64(Thumbnail);
            ClientPacket.WriteString(UUID);
            ClientPacket.WriteUInt64(Map);

            foreach (NetworkClient Receiver in Clients)
            {
                Receiver.SendEncrypted((byte)PacketType.NEW_CITY_SERVER, ClientPacket.ToArray());
            }
        }
示例#11
0
        public static void HandlePlayerOnlineResponse(NetworkClient Client, ProcessedPacket P)
        {
            byte   Result = (byte)P.ReadByte();
            string Token  = P.ReadString();
            //NOTE: Might have to find another way to identify a client, since two people
            //		can be on the same account from the same IP.
            string RemoteIP   = P.ReadString();
            int    RemotePort = P.ReadInt32();

            PacketStream  Packet;
            NetworkClient FoundClient;

            switch (Result)
            {
            case 0x01:
                Packet = new PacketStream((byte)PacketType.REQUEST_CITY_TOKEN, 0);
                Packet.WriteString(Token);
                FoundClient = NetworkFacade.ClientListener.GetClient(RemoteIP, RemotePort);

                if (FoundClient != null)
                {
                    FoundClient.SendEncrypted((byte)PacketType.REQUEST_CITY_TOKEN, Packet.ToArray());
                }

                break;

            case 0x02:                     //Write player was already online packet!
                Packet = new PacketStream((byte)PacketType.PLAYER_ALREADY_ONLINE, 0);
                Packet.WriteByte(0x00);    //Dummy
                FoundClient = NetworkFacade.ClientListener.GetClient(RemoteIP, RemotePort);

                if (FoundClient != null)
                {
                    FoundClient.SendEncrypted((byte)PacketType.PLAYER_ALREADY_ONLINE, Packet.ToArray());
                }

                break;
            }
        }
        /// <summary>
        /// Client requested information about its characters.
        /// </summary>
        public static void HandleCharacterInfoRequest(NetworkClient Client, ProcessedPacket P)
        {
            Logger.LogInfo("Received CharacterInfoRequest!");

            DateTime Timestamp = DateTime.Parse(P.ReadPascalString());

            //Database.CheckCharacterTimestamp(Client.Username, Client, TimeStamp);

            Character[] Characters = new Character[] { };

            using (var db = DataAccess.Get())
            {
                var account = db.Accounts.GetByUsername(Client.ClientEncryptor.Username);
                Characters = db.Characters.GetForAccount((int)account.AccountID).ToArray();
            }

            if (Characters != null)
            {
                PacketStream Packet       = new PacketStream((byte)PacketType.CHARACTER_LIST, 0);
                MemoryStream PacketData   = new MemoryStream();
                BinaryWriter PacketWriter = new BinaryWriter(PacketData);

                int NumChars = 0;

                foreach (Character avatar in Characters)
                {
                    //Zero means same, less than zero means T1 is earlier than T2, more than zero means T1 is later.
                    if (DateTime.Compare(Timestamp, DateTime.Parse(avatar.LastCached)) < 0)
                    {
                        NumChars++;

                        PacketWriter.Write((int)avatar.CharacterID);
                        PacketWriter.Write(avatar.GUID.ToString());
                        PacketWriter.Write(avatar.LastCached);
                        PacketWriter.Write(avatar.Name);
                        PacketWriter.Write(avatar.Sex);
                        PacketWriter.Write(avatar.Description);
                        PacketWriter.Write((ulong)avatar.HeadOutfitID);
                        PacketWriter.Write((ulong)avatar.BodyOutfitID);
                        PacketWriter.Write((byte)avatar.AppearanceType);
                        PacketWriter.Write((string)avatar.CityName);
                        PacketWriter.Write((ulong)avatar.CityThumb);
                        PacketWriter.Write((string)avatar.City);
                        PacketWriter.Write((ulong)avatar.CityMap);
                        PacketWriter.Write((string)avatar.CityIp);
                        PacketWriter.Write((int)avatar.CityPort);
                    }
                }

                Packet.WriteByte((byte)NumChars);
                Packet.Write(PacketData.ToArray(), 0, (int)PacketData.Length);
                PacketWriter.Close();
                Client.SendEncrypted(0x05, Packet.ToArray());
            }
            else //No characters existed for the account.
            {
                PacketStream Packet = new PacketStream(0x05, 0);
                Packet.WriteByte(0x00); //0 characters.

                Client.SendEncrypted((byte)PacketType.CHARACTER_LIST, Packet.ToArray());
            }
        }
示例#13
0
        /// <summary>
        /// Callback mehod for CheckCharacterTimestamp.
        /// This queries for the existence of a particular account
        /// in the DB and retrieves the character IDs associated with it.
        /// </summary>
        private static void EndCheckCharacterID(IAsyncResult AR)
        {
            DatabaseAsyncObject AsyncObject = AR.AsyncState as DatabaseAsyncObject;
            bool FoundAccountName = false;

            int NumCharacters = 0;
            int CharacterID1 = 0;
            int CharacterID2 = 0;
            int CharacterID3 = 0;

            using (MySqlDataReader Reader = AsyncObject.MySQLCmd.EndExecuteReader(AR))
            {
                while (Reader.Read())
                {
                    if (((string)Reader[0]).ToUpper() == AsyncObject.AccountName.ToUpper())
                    {
                        FoundAccountName = true;

                        NumCharacters = (int)Reader[1];

                        if (NumCharacters == 0)
                            break;
                        else if (NumCharacters == 1)
                            CharacterID1 = (int)Reader[2];
                        else if (NumCharacters == 2)
                        {
                            CharacterID1 = (int)Reader[2];
                            CharacterID2 = (int)Reader[3];
                        }
                        else if (NumCharacters == 3)
                        {
                            CharacterID1 = (int)Reader[2];
                            CharacterID2 = (int)Reader[3];
                            CharacterID3 = (int)Reader[4];
                        }

                        if (FoundAccountName == true)
                            break;
                    }
                }
            }

            if (FoundAccountName)
            {
                if (NumCharacters > 0)
                {
                    MySqlCommand Command = new MySqlCommand("SELECT CharacterID, LastCached, Name, Sex FROM Character");

                    AsyncObject.NumCharacters = NumCharacters;
                    AsyncObject.CharacterID1 = CharacterID1;
                    AsyncObject.CharacterID2 = CharacterID2;
                    AsyncObject.CharacterID3 = CharacterID3;

                    Command.Connection = m_Connection;
                    EndCheckCharacterTimestamp(Command.BeginExecuteReader(System.Data.CommandBehavior.Default));
                }
                else
                {
                    PacketStream Packet = new PacketStream(0x05, 0);
                    Packet.WriteByte(0x00); //0 characters.

                    AsyncObject.Client.SendEncrypted(0x05, Packet.ToArray());
                }
            }
        }
        /// <summary>
        /// Callback-function for CheckAccount().
        /// </summary>
        private static void EndCheckAccount(IAsyncResult AR)
        {
            DatabaseAsyncObject AsyncObject = AR.AsyncState as DatabaseAsyncObject;
            bool FoundAccountName           = false;

            using (MySqlDataReader Reader = AsyncObject.MySQLCmd.EndExecuteReader(AR))
            {
                while (Reader.Read())
                {
                    if (((string)Reader[0]).ToUpper() == AsyncObject.AccountName.ToUpper())
                    {
                        FoundAccountName = true;

                        AsyncObject.Password = (string)Reader[1];
                    }
                }
            }

            if (FoundAccountName == true)
            {
                //0x01 = InitLoginNotify
                PacketStream P = new PacketStream(0x01, 2);

                SaltedHash SHash = new SaltedHash(new SHA512Managed(), AsyncObject.AccountName.Length);

                if (SHash.VerifyHash(Encoding.ASCII.GetBytes(AsyncObject.Password.ToUpper()), AsyncObject.Hash,
                                     Encoding.ASCII.GetBytes(AsyncObject.AccountName)))
                {
                    AsyncObject.Client.Username = AsyncObject.AccountName.ToUpper();
                    AsyncObject.Client.Password = AsyncObject.Password.ToUpper();
                    P.WriteByte(0x01);
                    P.WriteByte(0x01);
                }
                else //The client's password was wrong.
                {
                    PacketStream RejectPacket = new PacketStream(0x02, 2);
                    RejectPacket.WriteByte(0x02);
                    RejectPacket.WriteByte(0x02);
                    AsyncObject.Client.Send(RejectPacket.ToArray());

                    Logger.LogInfo("Bad password - sent SLoginFailResponse!\r\n");

                    return;
                }

                AsyncObject.Client.Send(P.ToArray());

                Logger.LogInfo("Sent InitLoginNotify!\r\n");
            }
            else
            {
                PacketStream P = new PacketStream(0x02, 2);
                P.WriteByte(0x02);
                P.WriteByte(0x01);
                AsyncObject.Client.Send(P.ToArray());

                Logger.LogInfo("Bad accountname - sent SLoginFailResponse!\r\n");
                //AsyncObject.Client.Disconnect();
            }

            //If this setting is true, it means an account will be created
            //if it doesn't exist.
            if (GlobalSettings.Default.CreateAccountsOnLogin == true)
            {
                if (FoundAccountName == false)
                {
                    //No idea if this call is gonna succeed, given it's called from a callback function...
                    CreateAccount(AsyncObject.AccountName, AsyncObject.Password);
                }
            }
        }
        /// <summary>
        /// Callback mehod for CheckCharacterTimestamp.
        /// This queries for the existence of a particular account
        /// in the DB and retrieves the character IDs associated with it.
        /// </summary>
        private static void EndCheckCharacterID(IAsyncResult AR)
        {
            DatabaseAsyncObject AsyncObject = AR.AsyncState as DatabaseAsyncObject;
            bool FoundAccountName           = false;

            int NumCharacters = 0;
            int CharacterID1  = 0;
            int CharacterID2  = 0;
            int CharacterID3  = 0;

            using (MySqlDataReader Reader = AsyncObject.MySQLCmd.EndExecuteReader(AR))
            {
                while (Reader.Read())
                {
                    if (((string)Reader[0]).ToUpper() == AsyncObject.AccountName.ToUpper())
                    {
                        FoundAccountName = true;

                        NumCharacters = (int)Reader[1];

                        if (NumCharacters == 0)
                        {
                            break;
                        }
                        else if (NumCharacters == 1)
                        {
                            CharacterID1 = (int)Reader[2];
                        }
                        else if (NumCharacters == 2)
                        {
                            CharacterID1 = (int)Reader[2];
                            CharacterID2 = (int)Reader[3];
                        }
                        else if (NumCharacters == 3)
                        {
                            CharacterID1 = (int)Reader[2];
                            CharacterID2 = (int)Reader[3];
                            CharacterID3 = (int)Reader[4];
                        }

                        if (FoundAccountName == true)
                        {
                            break;
                        }
                    }
                }
            }

            if (FoundAccountName)
            {
                if (NumCharacters > 0)
                {
                    MySqlCommand Command = new MySqlCommand("SELECT CharacterID, LastCached, Name, Sex FROM Character");

                    AsyncObject.NumCharacters = NumCharacters;
                    AsyncObject.CharacterID1  = CharacterID1;
                    AsyncObject.CharacterID2  = CharacterID2;
                    AsyncObject.CharacterID3  = CharacterID3;

                    Command.Connection = m_Connection;
                    EndCheckCharacterTimestamp(Command.BeginExecuteReader(System.Data.CommandBehavior.Default));
                }
                else
                {
                    PacketStream Packet = new PacketStream(0x05, 0);
                    Packet.WriteByte(0x00); //0 characters.

                    AsyncObject.Client.SendEncrypted(0x05, Packet.ToArray());
                }
            }
        }
        /// <summary>
        /// Client requested information about its characters.
        /// </summary>
        public static void HandleCharacterInfoRequest(NetworkClient Client, ProcessedPacket P)
        {
            Logger.LogInfo("Received CharacterInfoRequest!");

            string   DateTimeStr = P.ReadString();
            DateTime Timestamp;

            if (DateTimeStr != string.Empty)
            {
                Timestamp = DateTime.Parse(DateTimeStr);
            }
            else
            {
                //Unix epoch
                Timestamp = new DateTime(1970, 1, 1, 0, 0, 1);
            }

            Character[] Characters = new Character[] { };

            using (var db = DataAccess.Get())
            {
                var account = db.Accounts.GetByUsername(Client.ClientEncryptor.Username);
                Characters = db.Characters.GetForAccount((int)account.AccountID).ToArray();
            }

            int NumChars = 0, NewChars = 0;

            if (Characters != null)
            {
                PacketStream Packet       = new PacketStream((byte)PacketType.CHARACTER_LIST, 0);
                MemoryStream PacketData   = new MemoryStream();
                BinaryWriter PacketWriter = new BinaryWriter(PacketData);

                NumChars = Characters.Length;

                foreach (Character avatar in Characters)
                {
                    //Zero means same, less than zero means T1 is earlier than T2, more than zero means T1 is later.
                    if (DateTime.Compare(Timestamp, avatar.LastCached) < 0)
                    {
                        NewChars++;

                        PacketWriter.Write((int)avatar.CharacterID);
                        PacketWriter.Write(avatar.GUID.ToString());
                        PacketWriter.Write(avatar.LastCached.ToString("yyyy.MM.dd hh:mm:ss",
                                                                      CultureInfo.InvariantCulture));
                        PacketWriter.Write(avatar.Name);
                        PacketWriter.Write(avatar.Sex);
                        PacketWriter.Write(avatar.Description);
                        PacketWriter.Write((ulong)avatar.HeadOutfitID);
                        PacketWriter.Write((ulong)avatar.BodyOutfitID);
                        PacketWriter.Write((byte)avatar.AppearanceType);
                        PacketWriter.Write((string)avatar.CityName);
                        PacketWriter.Write((ulong)avatar.CityThumb);
                        PacketWriter.Write((string)avatar.City);
                        PacketWriter.Write((ulong)avatar.CityMap);
                        PacketWriter.Write((string)avatar.CityIp);
                        PacketWriter.Write((int)avatar.CityPort);
                        PacketWriter.Write((int)avatar.Money);
                    }
                }

                //NOTE: If Characters != null, but no chars were new, NumChars will be however many characters,
                //      and NewChars will be 0.

                Packet.WriteByte((byte)NumChars);
                Packet.WriteByte((byte)NewChars);
                Packet.Write(PacketData.ToArray(), 0, (int)PacketData.Length);
                PacketWriter.Close();
                Client.SendEncrypted((byte)PacketType.CHARACTER_LIST, Packet.ToArray());
            }
            else             //No characters existed for the account.
            {
                PacketStream Packet = new PacketStream(0x05, 0);
                Packet.WriteByte((byte)NumChars);                 //0 characters.
                Packet.WriteByte((byte)NewChars);                 //0 new characters.

                Client.SendEncrypted((byte)PacketType.CHARACTER_LIST, Packet.ToArray());
            }
        }
        /// <summary>
        /// Client wanted to log in!
        /// </summary>
        public static void HandleLoginRequest(NetworkClient Client, ProcessedPacket P)
        {
            try
            {
                Logger.LogInfo("Received LoginRequest!\r\n");

                byte Version1 = (byte)P.ReadByte();
                byte Version2 = (byte)P.ReadByte();
                byte Version3 = (byte)P.ReadByte();
                byte Version4 = (byte)P.ReadByte();

                string ClientVersion = Version1.ToString() + "." + Version2.ToString() + "." + Version3.ToString() +
                                       "." + Version4.ToString();

                if (ClientVersion != GlobalSettings.Default.ClientVersion)
                {
                    PacketStream OutPacket = new PacketStream((byte)PacketType.INVALID_VERSION, 2);
                    OutPacket.WriteHeader();
                    OutPacket.WriteByte(0x01);
                    Client.Send(OutPacket.ToArray());

                    Logger.LogInfo("Bad version - sent SInvalidVersion!\r\n");
                    Client.Disconnect();
                    return;
                }

                PacketStream EncryptedPacket = new PacketStream((byte)PacketType.LOGIN_NOTIFY, 0);
                EncryptedPacket.WriteHeader();

                AESEncryptor Enc = (AESEncryptor)Client.ClientEncryptor;

                if (Enc == null)
                {
                    Enc = new AESEncryptor("");
                }

                Enc.PublicKey          = P.ReadBytes((P.ReadByte()));
                Enc.NOnce              = P.ReadBytes((P.ReadByte()));
                Enc.PrivateKey         = NetworkFacade.ServerKey;
                Client.ClientEncryptor = Enc;

                MemoryStream StreamToEncrypt = new MemoryStream();
                BinaryWriter Writer          = new BinaryWriter(StreamToEncrypt);
                Writer.Write(Enc.Challenge, 0, Enc.Challenge.Length);
                Writer.Flush();

                byte[] EncryptedData = StaticStaticDiffieHellman.Encrypt(NetworkFacade.ServerKey,
                                                                         System.Security.Cryptography.ECDiffieHellmanCngPublicKey.FromByteArray(Enc.PublicKey,
                                                                                                                                                System.Security.Cryptography.CngKeyBlobFormat.EccPublicBlob), Enc.NOnce, StreamToEncrypt.ToArray());

                EncryptedPacket.WriteUInt16((ushort)(PacketHeaders.UNENCRYPTED +
                                                     (1 + NetworkFacade.ServerPublicKey.Length) +
                                                     (1 + EncryptedData.Length)));

                EncryptedPacket.WriteByte((byte)NetworkFacade.ServerPublicKey.Length);
                EncryptedPacket.WriteBytes(NetworkFacade.ServerPublicKey);
                EncryptedPacket.WriteByte((byte)EncryptedData.Length);
                EncryptedPacket.WriteBytes(EncryptedData);

                Client.Send(EncryptedPacket.ToArray());
            }
            //This should HOPEFULLY wade off clients sending unreadable (I.E old protocol) packets...
            catch (Exception E)
            {
                Logger.LogDebug("Error while handling login request, disconnecting client: " +
                                E.ToString());
                Client.Disconnect();
                return;
            }
        }
        /**
         * Actual packet handlers
         */
        public static void HandleLoginRequest(ref LoginClient Client, PacketStream P)
        {
            Logger.LogInfo("Received LoginRequest!\r\n");
            ushort PacketLength = (ushort)P.ReadUShort();

            byte AccountStrLength = (byte)P.ReadByte();

            byte[] AccountNameBuf = new byte[AccountStrLength];
            P.Read(AccountNameBuf, 0, AccountStrLength);
            string AccountName = Encoding.ASCII.GetString(AccountNameBuf);

            Logger.LogInfo("Accountname: " + AccountName + "\r\n");

            byte HashLength = (byte)P.ReadByte();

            byte[] HashBuf = new byte[HashLength];
            P.Read(HashBuf, 0, HashLength);

            Client.Hash = HashBuf;

            byte KeyLength = (byte)P.ReadByte();

            Client.EncKey = new byte[KeyLength];
            P.Read(Client.EncKey, 0, KeyLength);

            byte Version1 = (byte)P.ReadByte();
            byte Version2 = (byte)P.ReadByte();
            byte Version3 = (byte)P.ReadByte();
            byte Version4 = (byte)P.ReadByte();

            Logger.LogInfo("Done reading LoginRequest, checking account...\r\n");

            using (var db = DataAccess.Get())
            {
                var account = db.Accounts.GetByUsername(AccountName);
                if (account == null)
                {
                    PacketStream OutPacket = new PacketStream(0x02, 2);
                    OutPacket.WriteHeader();
                    OutPacket.WriteByte(0x01);
                    Client.Send(OutPacket);

                    Logger.LogInfo("Bad accountname - sent SLoginFailResponse!\r\n");
                    Client.Disconnect();
                    return;
                }

                if (account.IsCorrectPassword(AccountName, HashBuf))
                {
                    //0x01 = InitLoginNotify
                    PacketStream OutPacket = new PacketStream(0x01, 1);
                    OutPacket.WriteHeader();
                    Client.Username = AccountName;
                    //This is neccessary to encrypt packets.
                    //TODO: Put something else here
                    //Client.Password = Account.GetPassword(AccountName);
                    Client.Send(OutPacket.ToArray());

                    Logger.LogInfo("Sent InitLoginNotify!\r\n");
                }
            }
        }
        public static void HandleCharacterInfoRequest(PacketStream P, LoginClient Client)
        {
            byte PacketLength = (byte)P.ReadByte();
            //Length of the unencrypted data, excluding the header (ID, length, unencrypted length).
            byte UnencryptedLength = (byte)P.ReadByte();

            P.DecryptPacket(Client.EncKey, Client.CryptoService, UnencryptedLength);

            Logger.LogDebug("Received CharacterInfoRequest!");

            byte Length = (byte)P.ReadByte();
            byte[] StrBuf = new byte[Length];
            P.Read(StrBuf, 0, Length - 1);
            DateTime Timestamp = DateTime.Parse(Encoding.ASCII.GetString(StrBuf));

            //Database.CheckCharacterTimestamp(Client.Username, Client, TimeStamp);

            Character[] Characters = Character.GetCharacters(Client.Username);

            if (Characters != null)
            {
                PacketStream Packet = new PacketStream(0x05, 0);

                MemoryStream PacketData = new MemoryStream();
                BinaryWriter PacketWriter = new BinaryWriter(PacketData);

                //The timestamp for all characters should be equal, so just check the first character.
                if (Timestamp < DateTime.Parse(Characters[0].LastCached) ||
                    Timestamp > DateTime.Parse(Characters[0].LastCached))
                {
                    //Write the characterdata into a temporary buffer.
                    if (Characters.Length == 1)
                    {
                        PacketWriter.Write(Characters[0].CharacterID);
                        PacketWriter.Write(Characters[0].GUID);
                        PacketWriter.Write(Characters[0].LastCached);
                        PacketWriter.Write(Characters[0].Name);
                        PacketWriter.Write(Characters[0].Sex);

                        PacketWriter.Flush();
                    }
                    else if (Characters.Length == 2)
                    {
                        PacketWriter.Write(Characters[0].CharacterID);
                        PacketWriter.Write(Characters[0].GUID);
                        PacketWriter.Write(Characters[0].LastCached);
                        PacketWriter.Write(Characters[0].Name);
                        PacketWriter.Write(Characters[0].Sex);

                        PacketWriter.Write(Characters[1].CharacterID);
                        PacketWriter.Write(Characters[1].GUID);
                        PacketWriter.Write(Characters[1].LastCached);
                        PacketWriter.Write(Characters[1].Name);
                        PacketWriter.Write(Characters[1].Sex);

                        PacketWriter.Flush();
                    }
                    else if (Characters.Length == 3)
                    {
                        PacketWriter.Write(Characters[0].CharacterID);
                        PacketWriter.Write(Characters[0].GUID);
                        PacketWriter.Write(Characters[0].LastCached);
                        PacketWriter.Write(Characters[0].Name);
                        PacketWriter.Write(Characters[0].Sex);

                        PacketWriter.Write(Characters[1].CharacterID);
                        PacketWriter.Write(Characters[1].GUID);
                        PacketWriter.Write(Characters[1].LastCached);
                        PacketWriter.Write(Characters[1].Name);
                        PacketWriter.Write(Characters[1].Sex);

                        PacketWriter.Write(Characters[2].CharacterID);
                        PacketWriter.Write(Characters[2].GUID);
                        PacketWriter.Write(Characters[2].LastCached);
                        PacketWriter.Write(Characters[2].Name);
                        PacketWriter.Write(Characters[2].Sex);

                        PacketWriter.Flush();
                    }

                    Packet.WriteByte((byte)Characters.Length);      //Total number of characters.
                    Packet.Write(PacketData.ToArray(), 0, (int)PacketData.Length);
                    PacketWriter.Close();

                    Client.SendEncrypted(0x05, Packet.ToArray());
                }
            }
            else //No characters existed for the account.
            {
                PacketStream Packet = new PacketStream(0x05, 0);
                Packet.WriteByte(0x00); //0 characters.

                Client.SendEncrypted(0x05, Packet.ToArray());
            }
        }
        public static void HandleLoginRequest(PacketStream P, ref LoginClient Client)
        {
            Logger.LogInfo("Received LoginRequest!\r\n");

            byte PacketLength = (byte)P.ReadByte();

            byte AccountStrLength = (byte)P.ReadByte();

            byte[] AccountNameBuf = new byte[AccountStrLength];
            P.Read(AccountNameBuf, 0, AccountStrLength);
            string AccountName = Encoding.ASCII.GetString(AccountNameBuf);
            Logger.LogInfo("Accountname: " + AccountName + "\r\n");

            byte HashLength = (byte)P.ReadByte();
            byte[] HashBuf = new byte[HashLength];
            P.Read(HashBuf, 0, HashLength);

            Client.Hash = HashBuf;

            byte KeyLength = (byte)P.ReadByte();
            Client.EncKey = new byte[KeyLength];
            P.Read(Client.EncKey, 0, KeyLength);

            byte Version1 = (byte)P.ReadByte();
            byte Version2 = (byte)P.ReadByte();
            byte Version3 = (byte)P.ReadByte();
            byte Version4 = (byte)P.ReadByte();

            Logger.LogInfo("Done reading LoginRequest, checking account...\r\n");

            //Database.CheckAccount(AccountName, Client, HashBuf);

            if (Account.DoesAccountExist(AccountName) && Account.IsCorrectPassword(AccountName, HashBuf))
            {
                //0x01 = InitLoginNotify
                PacketStream OutPacket = new PacketStream(0x01, 2);
                OutPacket.WriteByte(0x01);
                OutPacket.WriteByte(0x01);
                Client.Username = AccountName;
                //This is neccessary to encrypt packets.
                Client.Password = Account.GetPassword(AccountName);
                Client.Send(OutPacket.ToArray());

                Logger.LogInfo("Sent InitLoginNotify!\r\n");
            }
            else
            {
                PacketStream OutPacket = new PacketStream(0x02, 2);
                P.WriteByte(0x02);
                P.WriteByte(0x01);
                Client.Send(P.ToArray());

                Logger.LogInfo("Bad accountname - sent SLoginFailResponse!\r\n");
                Client.Disconnect();
            }
        }
        public static void HandleCharacterInfoRequest(ref LoginClient Client, PacketStream P)
        {
            ushort PacketLength = (ushort)P.ReadUShort();
            //Length of the unencrypted data, excluding the header (ID, length, unencrypted length).
            ushort UnencryptedLength = (ushort)P.ReadUShort();

            P.DecryptPacket(Client.EncKey, Client.CryptoService, UnencryptedLength);

            Logger.LogDebug("Received CharacterInfoRequest!");

            DateTime Timestamp = DateTime.Parse(P.ReadASCII());

            //Database.CheckCharacterTimestamp(Client.Username, Client, TimeStamp);

            Character[] Characters = new Character[]{};

            using (var db = DataAccess.Get())
            {
                Characters = db.Characters.GetForAccount(Client.AccountID).ToArray();
            }

            if (Characters != null)
            {
                PacketStream Packet = new PacketStream(0x05, 0);
                MemoryStream PacketData = new MemoryStream();
                BinaryWriter PacketWriter = new BinaryWriter(PacketData);

                /**
                 * Whats the point of checking a timestamp here? It saves a few bytes on a packet
                 * sent once per user session. Premature optimization.
                 */
                PacketWriter.Write((byte)Characters.Length);
                foreach(Character avatar in Characters){
                    PacketWriter.Write(avatar.CharacterID);
                    PacketWriter.Write(avatar.GUID.ToString());
                    PacketWriter.Write(avatar.LastCached);
                    PacketWriter.Write(avatar.Name);
                    PacketWriter.Write(avatar.Sex);
                }

                Packet.Write(PacketData.ToArray(), 0, (int)PacketData.Length);
                PacketWriter.Close();
                Client.SendEncrypted(0x05, Packet.ToArray());
            }
            else //No characters existed for the account.
            {
                PacketStream Packet = new PacketStream(0x05, 0);
                Packet.WriteByte(0x00); //0 characters.

                Client.SendEncrypted(0x05, Packet.ToArray());
            }
        }
示例#22
0
        /**
         * Actual packet handlers
         */
        public static void HandleLoginRequest(NetworkClient Client, ProcessedPacket P)
        {
            Logger.LogInfo("Received LoginRequest!\r\n");

            byte AccountStrLength = (byte)P.ReadByte();

            byte[] AccountNameBuf = new byte[AccountStrLength];
            P.Read(AccountNameBuf, 0, AccountStrLength);
            string AccountName = SanitizeAccount(Encoding.ASCII.GetString(AccountNameBuf));

            Logger.LogInfo("Accountname: " + AccountName + "\r\n");

            byte HashLength = (byte)P.ReadByte();

            byte[] HashBuf = new byte[HashLength];
            P.Read(HashBuf, 0, HashLength);

            if (AccountName == "")
            {
                PacketStream OutPacket = new PacketStream((byte)PacketType.LOGIN_FAILURE, 2);
                OutPacket.WriteHeader();
                OutPacket.WriteByte(0x01);
                Client.Send(OutPacket.ToArray());

                Logger.LogInfo("Bad accountname - sent SLoginFailResponse!\r\n");
                Client.Disconnect();
                return;
            }

            using (var db = DataAccess.Get())
            {
                var    account   = db.Accounts.GetByUsername(AccountName);
                byte   KeyLength = (byte)P.ReadByte();
                byte[] EncKey    = new byte[KeyLength];
                P.Read(EncKey, 0, KeyLength);

                //TODO: Do something with this...
                byte Version1 = (byte)P.ReadByte();
                byte Version2 = (byte)P.ReadByte();
                byte Version3 = (byte)P.ReadByte();
                byte Version4 = (byte)P.ReadByte();

                string ClientVersion = Version1.ToString() + "." + Version2.ToString() + "." + Version3.ToString() +
                                       "." + Version4.ToString();

                if (ClientVersion != GlobalSettings.Default.ClientVersion)
                {
                    PacketStream OutPacket = new PacketStream((byte)PacketType.INVALID_VERSION, 2);
                    OutPacket.WriteHeader();
                    OutPacket.WriteByte(0x01);
                    Client.Send(OutPacket.ToArray());

                    Logger.LogInfo("Bad version - sent SInvalidVersion!\r\n");
                    Client.Disconnect();
                    return;
                }

                if (!GlobalSettings.Default.CreateAccountsOnLogin)
                {
                    Logger.LogInfo("Done reading LoginRequest, checking account...\r\n");

                    if (account == null)
                    {
                        PacketStream OutPacket = new PacketStream((byte)PacketType.LOGIN_FAILURE, 2);
                        OutPacket.WriteHeader();
                        OutPacket.WriteByte(0x01);
                        Client.Send(OutPacket.ToArray());

                        Logger.LogInfo("Bad accountname - sent SLoginFailResponse!\r\n");
                        Client.Disconnect();
                        return;
                    }
                    else
                    {
                        Client.ClientEncryptor = new ARC4Encryptor(account.Password, EncKey);
                    }
                }
                else
                {
                    if (account == null)
                    {
                        try
                        {
                            db.Accounts.Create(new Account
                            {
                                AccountName = AccountName.ToLower(),
                                Password    = Convert.ToBase64String(HashBuf)
                            });
                        }
                        catch (Exception)
                        {
                            PacketStream OutPacket = new PacketStream((byte)PacketType.LOGIN_FAILURE, 2);
                            OutPacket.WriteHeader();
                            OutPacket.WriteByte(0x01);
                            Client.Send(OutPacket.ToArray());

                            Logger.LogInfo("Bad accountname - sent SLoginFailResponse!\r\n");
                            Client.Disconnect();
                            return;
                        }

                        account = db.Accounts.GetByUsername(AccountName);
                    }

                    Client.ClientEncryptor = new ARC4Encryptor(account.Password, EncKey);
                }

                if (account.IsCorrectPassword(AccountName, HashBuf))
                {
                    //0x01 = InitLoginNotify
                    PacketStream OutPacket = new PacketStream((byte)PacketType.LOGIN_NOTIFY, 1);
                    OutPacket.WriteHeader();
                    OutPacket.WriteByte(0x01);
                    Client.ClientEncryptor.Username = AccountName;
                    Client.Send(OutPacket.ToArray());

                    Logger.LogInfo("Sent InitLoginNotify!\r\n");
                }
                else
                {
                    PacketStream OutPacket = new PacketStream((byte)PacketType.LOGIN_FAILURE, 2);
                    OutPacket.WriteHeader();
                    OutPacket.WriteByte(0x02);
                    Client.Send(OutPacket.ToArray());

                    Logger.LogInfo("Bad password - sent SLoginFailResponse!\r\n");
                    Client.Disconnect();
                    return;
                }
            }

            //Client was modified, update it.
            NetworkFacade.ClientListener.UpdateClient(Client);
        }
示例#23
0
        public static void HandleCharacterCreate(NetworkClient Client, ProcessedPacket P)
        {
            Logger.LogInfo("Received CharacterCreate!");

            string AccountName = SanitizeAccount(P.ReadPascalString());

            using (var db = DataAccess.Get())
            {
                Account Acc = db.Accounts.GetByUsername(AccountName);

                //TODO: Send GUID to client...
                Sim Char = new Sim(Guid.NewGuid());
                Char.Timestamp    = P.ReadPascalString();
                Char.Name         = P.ReadPascalString();
                Char.Sex          = P.ReadPascalString();
                Char.Description  = P.ReadPascalString();
                Char.HeadOutfitID = P.ReadUInt64();
                Char.BodyOutfitID = P.ReadUInt64();
                Char.Appearance   = (AppearanceType)P.ReadByte();
                Char.ResidingCity = new CityInfo(P.ReadPascalString(), "", P.ReadUInt64(), P.ReadPascalString(),
                                                 P.ReadUInt64(), P.ReadPascalString(), P.ReadInt32());
                Char.CreatedThisSession = true;

                var characterModel = new Character();
                characterModel.Name           = Char.Name;
                characterModel.Sex            = Char.Sex;
                characterModel.Description    = Char.Description;
                characterModel.LastCached     = Char.Timestamp;
                characterModel.GUID           = Char.GUID;
                characterModel.HeadOutfitID   = (long)Char.HeadOutfitID;
                characterModel.BodyOutfitID   = (long)Char.BodyOutfitID;
                characterModel.AccountID      = Acc.AccountID;
                characterModel.AppearanceType = (int)Char.Appearance;
                characterModel.City           = Char.ResidingCity.UUID;
                characterModel.CityName       = Char.ResidingCity.Name;
                characterModel.CityThumb      = (long)Char.ResidingCity.Thumbnail;
                characterModel.CityMap        = (long)Char.ResidingCity.Map;
                characterModel.CityIp         = Char.ResidingCity.IP;
                characterModel.CityPort       = Char.ResidingCity.Port;

                var status = db.Characters.CreateCharacter(characterModel);
                //Need to be variable length, because the success packet contains a token.
                PacketStream CCStatusPacket = new PacketStream((byte)PacketType.CHARACTER_CREATION_STATUS, 0);

                switch (status)
                {
                case LoginDataModel.Entities.CharacterCreationStatus.NameAlreadyExisted:
                    CCStatusPacket.WriteByte((int)LoginDataModel.Entities.CharacterCreationStatus.NameAlreadyExisted);
                    Client.SendEncrypted(CCStatusPacket.PacketID, CCStatusPacket.ToArray());
                    break;

                case LoginDataModel.Entities.CharacterCreationStatus.ExceededCharacterLimit:
                    CCStatusPacket.WriteByte((int)LoginDataModel.Entities.CharacterCreationStatus.ExceededCharacterLimit);
                    Client.SendEncrypted(CCStatusPacket.PacketID, CCStatusPacket.ToArray());
                    break;

                case LoginDataModel.Entities.CharacterCreationStatus.Success:
                    CCStatusPacket.WriteByte((int)LoginDataModel.Entities.CharacterCreationStatus.Success);
                    CCStatusPacket.WritePascalString(Char.GUID.ToString());
                    Guid Token = Guid.NewGuid();
                    CCStatusPacket.WritePascalString(Token.ToString());
                    Client.SendEncrypted(CCStatusPacket.PacketID, CCStatusPacket.ToArray());

                    foreach (CityServerClient CServer in NetworkFacade.CServerListener.CityServers)
                    {
                        if (CServer.ServerInfo.UUID == Char.ResidingCity.UUID)
                        {
                            PacketStream CServerPacket = new PacketStream(0x01, 0);
                            CServerPacket.WriteHeader();

                            ushort PacketLength = (ushort)(PacketHeaders.UNENCRYPTED + 4 + (Client.RemoteIP.Length + 1)
                                                           + (Char.GUID.ToString().Length + 1) + (Token.ToString().Length + 1));
                            CServerPacket.WriteUInt16(PacketLength);

                            CServerPacket.WriteInt32(Acc.AccountID);
                            CServerPacket.WritePascalString(Client.RemoteIP);
                            CServerPacket.WritePascalString(Char.GUID.ToString());
                            CServerPacket.WritePascalString(Token.ToString());
                            CServer.Send(CServerPacket.ToArray());

                            break;
                        }
                    }

                    break;
                }
            }

            //Client was modified, so update it.
            NetworkFacade.ClientListener.UpdateClient(Client);
        }
示例#24
0
        public static void HandleCharacterInfoRequest(PacketStream P, LoginClient Client)
        {
            byte PacketLength = (byte)P.ReadByte();
            //Length of the unencrypted data, excluding the header (ID, length, unencrypted length).
            byte UnencryptedLength = (byte)P.ReadByte();

            P.DecryptPacket(Client.EncKey, Client.CryptoService, UnencryptedLength);

            Logger.LogDebug("Received CharacterInfoRequest!");

            byte Length = (byte)P.ReadByte();

            byte[] StrBuf = new byte[Length];
            P.Read(StrBuf, 0, Length - 1);
            DateTime Timestamp = DateTime.Parse(Encoding.ASCII.GetString(StrBuf));

            //Database.CheckCharacterTimestamp(Client.Username, Client, TimeStamp);

            Character[] Characters = Character.GetCharacters(Client.Username);

            if (Characters != null)
            {
                PacketStream Packet = new PacketStream(0x05, 0);

                MemoryStream PacketData   = new MemoryStream();
                BinaryWriter PacketWriter = new BinaryWriter(PacketData);

                //The timestamp for all characters should be equal, so just check the first character.
                if (Timestamp < DateTime.Parse(Characters[0].LastCached) ||
                    Timestamp > DateTime.Parse(Characters[0].LastCached))
                {
                    //Write the characterdata into a temporary buffer.
                    if (Characters.Length == 1)
                    {
                        PacketWriter.Write(Characters[0].CharacterID);
                        PacketWriter.Write(Characters[0].GUID);
                        PacketWriter.Write(Characters[0].LastCached);
                        PacketWriter.Write(Characters[0].Name);
                        PacketWriter.Write(Characters[0].Sex);

                        PacketWriter.Flush();
                    }
                    else if (Characters.Length == 2)
                    {
                        PacketWriter.Write(Characters[0].CharacterID);
                        PacketWriter.Write(Characters[0].GUID);
                        PacketWriter.Write(Characters[0].LastCached);
                        PacketWriter.Write(Characters[0].Name);
                        PacketWriter.Write(Characters[0].Sex);

                        PacketWriter.Write(Characters[1].CharacterID);
                        PacketWriter.Write(Characters[1].GUID);
                        PacketWriter.Write(Characters[1].LastCached);
                        PacketWriter.Write(Characters[1].Name);
                        PacketWriter.Write(Characters[1].Sex);

                        PacketWriter.Flush();
                    }
                    else if (Characters.Length == 3)
                    {
                        PacketWriter.Write(Characters[0].CharacterID);
                        PacketWriter.Write(Characters[0].GUID);
                        PacketWriter.Write(Characters[0].LastCached);
                        PacketWriter.Write(Characters[0].Name);
                        PacketWriter.Write(Characters[0].Sex);

                        PacketWriter.Write(Characters[1].CharacterID);
                        PacketWriter.Write(Characters[1].GUID);
                        PacketWriter.Write(Characters[1].LastCached);
                        PacketWriter.Write(Characters[1].Name);
                        PacketWriter.Write(Characters[1].Sex);

                        PacketWriter.Write(Characters[2].CharacterID);
                        PacketWriter.Write(Characters[2].GUID);
                        PacketWriter.Write(Characters[2].LastCached);
                        PacketWriter.Write(Characters[2].Name);
                        PacketWriter.Write(Characters[2].Sex);

                        PacketWriter.Flush();
                    }

                    Packet.WriteByte((byte)Characters.Length);      //Total number of characters.
                    Packet.Write(PacketData.ToArray(), 0, (int)PacketData.Length);
                    PacketWriter.Close();

                    Client.SendEncrypted(0x05, Packet.ToArray());
                }
            }
            else //No characters existed for the account.
            {
                PacketStream Packet = new PacketStream(0x05, 0);
                Packet.WriteByte(0x00); //0 characters.

                Client.SendEncrypted(0x05, Packet.ToArray());
            }
        }
        /// <summary>
        /// Callback method for EndCheckCharacterID.
        /// This retrieves information about the characters
        /// corresponding to the IDs retrieved earlier.
        /// </summary>
        private static void EndCheckCharacterTimestamp(IAsyncResult AR)
        {
            DatabaseAsyncObject AsyncObject = AR.AsyncState as DatabaseAsyncObject;

            List <Sim> Sims = new List <Sim>();

            using (MySqlDataReader Reader = AsyncObject.MySQLCmd.EndExecuteReader(AR))
            {
                while (Reader.Read())
                {
                    if ((int)Reader[0] == AsyncObject.CharacterID1)
                    {
                        int CharacterID = AsyncObject.CharacterID1;

                        Sim Character = new Sim((string)Reader[1]);
                        Character.CharacterID = CharacterID;
                        Character.Timestamp   = (string)Reader[2];
                        Character.Name        = (string)Reader[3];
                        Character.Sex         = (string)Reader[4];

                        Sims.Add(Character);
                    }

                    if (AsyncObject.NumCharacters == 1)
                    {
                        break;
                    }

                    if (AsyncObject.NumCharacters > 1)
                    {
                        if ((int)Reader[1] == AsyncObject.CharacterID2)
                        {
                            int CharacterID = AsyncObject.CharacterID2;

                            Sim Character = new Sim((string)Reader[1]);
                            Character.CharacterID = CharacterID;
                            Character.Timestamp   = (string)Reader[2];
                            Character.Name        = (string)Reader[3];
                            Character.Sex         = (string)Reader[4];

                            Sims.Add(Character);
                        }
                    }

                    if (AsyncObject.NumCharacters == 2)
                    {
                        break;
                    }

                    if (AsyncObject.NumCharacters > 2)
                    {
                        if ((int)Reader[2] == AsyncObject.CharacterID3)
                        {
                            int CharacterID = AsyncObject.CharacterID3;

                            Sim Character = new Sim((string)Reader[1]);
                            Character.CharacterID = CharacterID;
                            Character.Timestamp   = (string)Reader[2];
                            Character.Name        = (string)Reader[3];
                            Character.Sex         = (string)Reader[4];

                            Sims.Add(Character);

                            //For now, assume that finding the third character means
                            //all characters have been found.
                            break;
                        }
                    }
                }
            }

            PacketStream Packet = new PacketStream(0x05, 0);

            MemoryStream PacketData   = new MemoryStream();
            BinaryWriter PacketWriter = new BinaryWriter(PacketData);

            //The timestamp for all characters should be equal, so just check the first character.
            if (AsyncObject.CharacterTimestamp < DateTime.Parse(Sims[0].Timestamp) ||
                AsyncObject.CharacterTimestamp > DateTime.Parse(Sims[0].Timestamp))
            {
                //Write the characterdata into a temporary buffer.
                if (AsyncObject.NumCharacters == 1)
                {
                    PacketWriter.Write(Sims[0].CharacterID);
                    PacketWriter.Write(Sims[0].GUID);
                    PacketWriter.Write(Sims[0].Timestamp);
                    PacketWriter.Write(Sims[0].Name);
                    PacketWriter.Write(Sims[0].Sex);

                    PacketWriter.Flush();
                }
                else if (AsyncObject.NumCharacters == 2)
                {
                    PacketWriter.Write(Sims[0].CharacterID);
                    PacketWriter.Write(Sims[0].GUID);
                    PacketWriter.Write(Sims[0].Timestamp);
                    PacketWriter.Write(Sims[0].Name);
                    PacketWriter.Write(Sims[0].Sex);

                    PacketWriter.Write(Sims[1].CharacterID);
                    PacketWriter.Write(Sims[1].GUID);
                    PacketWriter.Write(Sims[1].Timestamp);
                    PacketWriter.Write(Sims[1].Name);
                    PacketWriter.Write(Sims[1].Sex);

                    PacketWriter.Flush();
                }
                else if (AsyncObject.NumCharacters == 3)
                {
                    PacketWriter.Write(Sims[0].CharacterID);
                    PacketWriter.Write(Sims[0].GUID);
                    PacketWriter.Write(Sims[0].Timestamp);
                    PacketWriter.Write(Sims[0].Name);
                    PacketWriter.Write(Sims[0].Sex);

                    PacketWriter.Write(Sims[1].CharacterID);
                    PacketWriter.Write(Sims[1].GUID);
                    PacketWriter.Write(Sims[1].Timestamp);
                    PacketWriter.Write(Sims[1].Name);
                    PacketWriter.Write(Sims[1].Sex);

                    PacketWriter.Write(Sims[2].CharacterID);
                    PacketWriter.Write(Sims[2].GUID);
                    PacketWriter.Write(Sims[2].Timestamp);
                    PacketWriter.Write(Sims[2].Name);
                    PacketWriter.Write(Sims[2].Sex);

                    PacketWriter.Flush();
                }

                Packet.WriteByte((byte)AsyncObject.NumCharacters);      //Total number of characters.
                Packet.Write(PacketData.ToArray(), 0, (int)PacketData.Length);

                AsyncObject.Client.SendEncrypted(0x05, Packet.ToArray());
            }
            else if (AsyncObject.CharacterTimestamp == DateTime.Parse(Sims[0].Timestamp))
            {
                PacketWriter.Write((byte)0x00); //0 characters.

                AsyncObject.Client.SendEncrypted(0x05, Packet.ToArray());
            }

            PacketWriter.Close();
        }
        /// <summary>
        /// Client created a character!
        /// </summary>
        public static void HandleCharacterCreate(NetworkClient Client, ProcessedPacket P)
        {
            Logger.LogInfo("Received CharacterCreate!");

            string AccountName = SanitizeAccount(P.ReadString());
            //Need to be variable length, because the success packet contains a token.
            PacketStream CCStatusPacket = new PacketStream((byte)PacketType.CHARACTER_CREATION_STATUS, 0);

            using (var db = DataAccess.Get())
            {
                Account Acc = db.Accounts.GetByUsername(AccountName);

                if (Acc.NumCharacters >= 3)
                {
                    CCStatusPacket.WriteByte((int)LoginDataModel.Entities.CharacterCreationStatus.ExceededCharacterLimit);
                    Client.SendEncrypted(CCStatusPacket.PacketID, CCStatusPacket.ToArray());

                    return;
                }

                //TODO: Send GUID to client...
                var    Char       = new Character();
                string LastCached = P.ReadString();
                if (LastCached == string.Empty)
                {
                    //TODO: Proper error...
                    CCStatusPacket.WriteByte((int)LoginDataModel.Entities.CharacterCreationStatus.NameAlreadyExisted);
                    Client.SendEncrypted(CCStatusPacket.PacketID, CCStatusPacket.ToArray());
                    return;
                }

                Char.LastCached     = ProtoHelpers.ParseDateTime(LastCached);
                Char.Name           = P.ReadString();
                Char.Sex            = P.ReadString();
                Char.Description    = P.ReadString();
                Char.GUID           = Guid.NewGuid();
                Char.HeadOutfitID   = (long)P.ReadUInt64();
                Char.BodyOutfitID   = (long)P.ReadUInt64();
                Char.AccountID      = Acc.AccountID;
                Char.AppearanceType = P.ReadByte();
                Char.CityName       = P.ReadString();
                Char.CityThumb      = (long)P.ReadUInt64();
                Char.City           = P.ReadString();
                Char.CityMap        = (long)P.ReadUInt64();
                Char.CityIp         = P.ReadString();
                Char.CityPort       = P.ReadInt32();
                Char.Money          = NetworkFacade.INITIAL_MONEY;

                //These are going into DB, so be nazi. Sieg heil!
                if (Char.Name == string.Empty || Char.Sex == string.Empty ||
                    Char.Description == string.Empty)
                {
                    CCStatusPacket.WriteByte((int)LoginDataModel.Entities.CharacterCreationStatus.NameAlreadyExisted);
                    Client.SendEncrypted(CCStatusPacket.PacketID, CCStatusPacket.ToArray());
                    return;
                }

                var status = db.Characters.CreateCharacter(Char);

                switch (status)
                {
                case LoginDataModel.Entities.CharacterCreationStatus.NameAlreadyExisted:
                    CCStatusPacket.WriteByte((int)LoginDataModel.Entities.CharacterCreationStatus.NameAlreadyExisted);
                    Client.SendEncrypted(CCStatusPacket.PacketID, CCStatusPacket.ToArray());
                    break;

                case LoginDataModel.Entities.CharacterCreationStatus.NameTooLong:
                    CCStatusPacket.WriteByte((int)LoginDataModel.Entities.CharacterCreationStatus.NameTooLong);
                    Client.SendEncrypted(CCStatusPacket.PacketID, CCStatusPacket.ToArray());
                    break;

                case LoginDataModel.Entities.CharacterCreationStatus.Success:
                    Guid Token = Guid.NewGuid();

                    //This actually updates the record, not sure how.
                    Acc.NumCharacters++;

                    //THIS NEEDS TO HAPPEN FIRST FOR CITY SERVER AUTHENTICATION TO WORK!
                    CityInfo CServer = NetworkFacade.CServerListener.GetCityServer(Char.City);

                    //Just in case...
                    if (CServer != null)
                    {
                        PacketStream CServerPacket = new PacketStream(0x01, 0);
                        CServerPacket.WriteHeader();

                        ushort PacketLength = (ushort)(PacketHeaders.UNENCRYPTED + 1 + 4 + (Client.RemoteIP.Length + 1)
                                                       + 4 + (Char.GUID.ToString().Length + 1) + (Token.ToString().Length + 1));
                        CServerPacket.WriteUInt16(PacketLength);

                        CServerPacket.WriteByte(1);                                 //CharacterCreate = true
                        CServerPacket.WriteInt32(Acc.AccountID);
                        CServerPacket.WriteString(Client.RemoteIP);
                        CServerPacket.WriteInt32(Client.RemotePort);
                        CServerPacket.WriteString(Char.GUID.ToString());
                        CServerPacket.WriteString(Token.ToString(""));
                        CServer.Client.Send(CServerPacket.ToArray());
                    }

                    CCStatusPacket.WriteByte((int)LoginDataModel.Entities.CharacterCreationStatus.Success);
                    CCStatusPacket.WriteString(Char.GUID.ToString());
                    CCStatusPacket.WriteString(Token.ToString());
                    Client.SendEncrypted(CCStatusPacket.PacketID, CCStatusPacket.ToArray());

                    break;
                }
            }
        }
示例#27
0
        /// <summary>
        /// Callback-function for CheckAccount().
        /// </summary>
        private static void EndCheckAccount(IAsyncResult AR)
        {
            DatabaseAsyncObject AsyncObject = AR.AsyncState as DatabaseAsyncObject;
            bool FoundAccountName = false;

            using (MySqlDataReader Reader = AsyncObject.MySQLCmd.EndExecuteReader(AR))
            {
                while (Reader.Read())
                {
                    if (((string)Reader[0]).ToUpper() == AsyncObject.AccountName.ToUpper())
                    {
                        FoundAccountName = true;

                        AsyncObject.Password = (string)Reader[1];
                    }
                }
            }

            if (FoundAccountName == true)
            {
                //0x01 = InitLoginNotify
                PacketStream P = new PacketStream(0x01, 2);

                SaltedHash SHash = new SaltedHash(new SHA512Managed(), AsyncObject.AccountName.Length);

                if (SHash.VerifyHash(Encoding.ASCII.GetBytes(AsyncObject.Password.ToUpper()), AsyncObject.Hash,
                    Encoding.ASCII.GetBytes(AsyncObject.AccountName)))
                {
                    AsyncObject.Client.Username = AsyncObject.AccountName.ToUpper();
                    AsyncObject.Client.Password = AsyncObject.Password.ToUpper();
                    P.WriteByte(0x01);
                    P.WriteByte(0x01);
                }
                else //The client's password was wrong.
                {
                    PacketStream RejectPacket = new PacketStream(0x02, 2);
                    RejectPacket.WriteByte(0x02);
                    RejectPacket.WriteByte(0x02);
                    AsyncObject.Client.Send(RejectPacket.ToArray());

                    Logger.LogInfo("Bad password - sent SLoginFailResponse!\r\n");

                    return;
                }

                AsyncObject.Client.Send(P.ToArray());

                Logger.LogInfo("Sent InitLoginNotify!\r\n");
            }
            else
            {
                PacketStream P = new PacketStream(0x02, 2);
                P.WriteByte(0x02);
                P.WriteByte(0x01);
                AsyncObject.Client.Send(P.ToArray());

                Logger.LogInfo("Bad accountname - sent SLoginFailResponse!\r\n");
                //AsyncObject.Client.Disconnect();
            }

            //If this setting is true, it means an account will be created
            //if it doesn't exist.
            if (GlobalSettings.Default.CreateAccountsOnLogin == true)
            {
                if (FoundAccountName == false)
                {
                    //No idea if this call is gonna succeed, given it's called from a callback function...
                    CreateAccount(AsyncObject.AccountName, AsyncObject.Password);
                }
            }
        }
        /// <summary>
        /// Client sent a response to our challenge, as well as account name and password.
        /// </summary>
        public static void HandleChallengeResponse(NetworkClient Client, ProcessedPacket P)
        {
            PacketStream OutPacket;

            if (P.BufferLength <= 1)
            {
                OutPacket = new PacketStream((byte)PacketType.LOGIN_FAILURE, 0);
                OutPacket.WriteByte(0x03);                 //Bad challenge response.
                Client.Send(OutPacket.ToArray());

                Logger.LogInfo("Bad challenge response - sent SLoginFailResponse!\r\n");
                return;                 //How does this even happen?!
            }

            int Length = P.ReadByte();

            byte[] CResponse;

            if (P.BufferLength >= Length)
            {
                CResponse = P.ReadBytes(Length);
            }
            else
            {
                return;
            }

            AESDecryptionArgs DecryptionArgs = Client.ClientEncryptor.GetDecryptionArgsContainer().AESDecryptArgs;

            if (DecryptionArgs.Challenge.SequenceEqual(CResponse))
            {
                string AccountName = SanitizeAccount(P.ReadString());

                Length = P.ReadByte();
                byte[] PasswordHash;

                if (P.BufferLength >= Length)
                {
                    PasswordHash = P.ReadBytes(Length);
                }
                else
                {
                    return;
                }

                // Check whether the accountname is empty or is/contains "username"
                if (AccountName == string.Empty || AccountName.ToLower().Equals("username") || AccountName.ToLower().Contains("username"))
                {
                    OutPacket = new PacketStream((byte)PacketType.LOGIN_FAILURE, 0);
                    OutPacket.WriteHeader();
                    OutPacket.WriteUInt16((ushort)(PacketHeaders.UNENCRYPTED + 1));
                    OutPacket.WriteByte(0x01);
                    Client.Send(OutPacket.ToArray());

                    Logger.LogInfo(@"Bad accountname (""" + AccountName + @""") - sent SLoginFailResponse!\r\n");
                    Client.Disconnect();
                    return;
                }

                using (var db = DataAccess.Get())
                {
                    var account = db.Accounts.GetByUsername(AccountName);

                    if (!GlobalSettings.Default.CreateAccountsOnLogin)
                    {
                        Logger.LogInfo("Done reading LoginRequest, checking account...\r\n");

                        if (account == null)
                        {
                            OutPacket = new PacketStream((byte)PacketType.LOGIN_FAILURE, 0);
                            OutPacket.WriteHeader();
                            OutPacket.WriteUInt16((ushort)(PacketHeaders.UNENCRYPTED + 1));
                            OutPacket.WriteByte(0x01);
                            Client.Send(OutPacket.ToArray());

                            Logger.LogInfo(@"Bad accountname (""" + AccountName + @""") - sent SLoginFailResponse!\r\n");
                            Client.Disconnect();
                            return;
                        }
                    }
                    else
                    {
                        if (account == null)
                        {
                            try
                            {
                                if (!AccountName.ToLower().Equals("username") || !AccountName.ToLower().Contains("username"))
                                {
                                    db.Accounts.Create(new Account
                                    {
                                        AccountName = AccountName.ToLower(),
                                        Password    = Convert.ToBase64String(PasswordHash)
                                    });
                                }
                            }
                            catch (Exception)
                            {
                                OutPacket = new PacketStream((byte)PacketType.LOGIN_FAILURE, 0);
                                OutPacket.WriteHeader();
                                OutPacket.WriteUInt16((ushort)(PacketHeaders.UNENCRYPTED + 1));
                                OutPacket.WriteByte(0x01);
                                Client.Send(OutPacket.ToArray());

                                Logger.LogInfo(@"Bad accountname (""" + AccountName + @""") - sent SLoginFailResponse!\r\n");
                                Client.Disconnect();
                                return;
                            }

                            account = db.Accounts.GetByUsername(AccountName);
                        }
                    }

                    if (account.IsCorrectPassword(AccountName, PasswordHash))
                    {
                        OutPacket = new PacketStream((byte)PacketType.LOGIN_SUCCESS, 0);
                        OutPacket.WriteByte(0x01);
                        Client.ClientEncryptor.Username = AccountName;
                        Client.SendEncrypted((byte)PacketType.LOGIN_SUCCESS, OutPacket.ToArray());

                        Logger.LogInfo("Sent SLoginSuccessResponse!\r\n");
                        return;
                    }
                    else
                    {
                        OutPacket = new PacketStream((byte)PacketType.LOGIN_FAILURE, 0);
                        OutPacket.WriteHeader();
                        OutPacket.WriteUInt16((ushort)(PacketHeaders.UNENCRYPTED + 1));
                        OutPacket.WriteByte(0x02);
                        Client.Send(OutPacket.ToArray());

                        Logger.LogInfo("Bad password - sent SLoginFailResponse!\r\n");
                        Client.Disconnect();
                        return;
                    }
                }
            }

            OutPacket = new PacketStream((byte)PacketType.LOGIN_FAILURE, 0);
            OutPacket.WriteHeader();
            OutPacket.WriteUInt16((ushort)(PacketHeaders.UNENCRYPTED + 1));
            OutPacket.WriteByte(0x03);             //Bad challenge response.
            Client.Send(OutPacket.ToArray());

            Logger.LogInfo("Bad challenge response - sent SLoginFailResponse!\r\n");
            return;
        }
示例#29
0
        /// <summary>
        /// Callback method for EndCheckCharacterID.
        /// This retrieves information about the characters 
        /// corresponding to the IDs retrieved earlier.
        /// </summary>
        private static void EndCheckCharacterTimestamp(IAsyncResult AR)
        {
            DatabaseAsyncObject AsyncObject = AR.AsyncState as DatabaseAsyncObject;

            List<Sim> Sims = new List<Sim>();

            using (MySqlDataReader Reader = AsyncObject.MySQLCmd.EndExecuteReader(AR))
            {
                while (Reader.Read())
                {
                    if ((int)Reader[0] == AsyncObject.CharacterID1)
                    {
                        int CharacterID = AsyncObject.CharacterID1;

                        Sim Character = new Sim((string)Reader[1]);
                        Character.CharacterID = CharacterID;
                        Character.Timestamp = (string)Reader[2];
                        Character.Name = (string)Reader[3];
                        Character.Sex = (string)Reader[4];

                        Sims.Add(Character);
                    }

                    if (AsyncObject.NumCharacters == 1)
                        break;

                    if (AsyncObject.NumCharacters > 1)
                    {
                        if ((int)Reader[1] == AsyncObject.CharacterID2)
                        {
                            int CharacterID = AsyncObject.CharacterID2;

                            Sim Character = new Sim((string)Reader[1]);
                            Character.CharacterID = CharacterID;
                            Character.Timestamp = (string)Reader[2];
                            Character.Name = (string)Reader[3];
                            Character.Sex = (string)Reader[4];

                            Sims.Add(Character);
                        }
                    }

                    if (AsyncObject.NumCharacters == 2)
                        break;

                    if (AsyncObject.NumCharacters > 2)
                    {
                        if ((int)Reader[2] == AsyncObject.CharacterID3)
                        {
                            int CharacterID = AsyncObject.CharacterID3;

                            Sim Character = new Sim((string)Reader[1]);
                            Character.CharacterID = CharacterID;
                            Character.Timestamp = (string)Reader[2];
                            Character.Name = (string)Reader[3];
                            Character.Sex = (string)Reader[4];

                            Sims.Add(Character);

                            //For now, assume that finding the third character means
                            //all characters have been found.
                            break;
                        }
                    }
                }
            }

            PacketStream Packet = new PacketStream(0x05, 0);

            MemoryStream PacketData = new MemoryStream();
            BinaryWriter PacketWriter = new BinaryWriter(PacketData);

            //The timestamp for all characters should be equal, so just check the first character.
            if (AsyncObject.CharacterTimestamp < DateTime.Parse(Sims[0].Timestamp) ||
                AsyncObject.CharacterTimestamp > DateTime.Parse(Sims[0].Timestamp))
            {
                //Write the characterdata into a temporary buffer.
                if (AsyncObject.NumCharacters == 1)
                {
                    PacketWriter.Write(Sims[0].CharacterID);
                    PacketWriter.Write(Sims[0].GUID);
                    PacketWriter.Write(Sims[0].Timestamp);
                    PacketWriter.Write(Sims[0].Name);
                    PacketWriter.Write(Sims[0].Sex);

                    PacketWriter.Flush();
                }
                else if (AsyncObject.NumCharacters == 2)
                {
                    PacketWriter.Write(Sims[0].CharacterID);
                    PacketWriter.Write(Sims[0].GUID);
                    PacketWriter.Write(Sims[0].Timestamp);
                    PacketWriter.Write(Sims[0].Name);
                    PacketWriter.Write(Sims[0].Sex);

                    PacketWriter.Write(Sims[1].CharacterID);
                    PacketWriter.Write(Sims[1].GUID);
                    PacketWriter.Write(Sims[1].Timestamp);
                    PacketWriter.Write(Sims[1].Name);
                    PacketWriter.Write(Sims[1].Sex);

                    PacketWriter.Flush();
                }
                else if (AsyncObject.NumCharacters == 3)
                {
                    PacketWriter.Write(Sims[0].CharacterID);
                    PacketWriter.Write(Sims[0].GUID);
                    PacketWriter.Write(Sims[0].Timestamp);
                    PacketWriter.Write(Sims[0].Name);
                    PacketWriter.Write(Sims[0].Sex);

                    PacketWriter.Write(Sims[1].CharacterID);
                    PacketWriter.Write(Sims[1].GUID);
                    PacketWriter.Write(Sims[1].Timestamp);
                    PacketWriter.Write(Sims[1].Name);
                    PacketWriter.Write(Sims[1].Sex);

                    PacketWriter.Write(Sims[2].CharacterID);
                    PacketWriter.Write(Sims[2].GUID);
                    PacketWriter.Write(Sims[2].Timestamp);
                    PacketWriter.Write(Sims[2].Name);
                    PacketWriter.Write(Sims[2].Sex);

                    PacketWriter.Flush();
                }

                Packet.WriteByte((byte)AsyncObject.NumCharacters);      //Total number of characters.
                Packet.Write(PacketData.ToArray(), 0, (int)PacketData.Length);

                AsyncObject.Client.SendEncrypted(0x05, Packet.ToArray());
            }
            else if (AsyncObject.CharacterTimestamp == DateTime.Parse(Sims[0].Timestamp))
            {
                PacketWriter.Write((byte)0x00); //0 characters.

                AsyncObject.Client.SendEncrypted(0x05, Packet.ToArray());
            }

            PacketWriter.Close();
        }
        /**
         * Actual packet handlers
         */
        public static void HandleLoginRequest(ref LoginClient Client, PacketStream P)
        {
            Logger.LogInfo("Received LoginRequest!\r\n");
            ushort PacketLength = (ushort)P.ReadUShort();

            byte AccountStrLength = (byte)P.ReadByte();
            byte[] AccountNameBuf = new byte[AccountStrLength];
            P.Read(AccountNameBuf, 0, AccountStrLength);
            string AccountName = Encoding.ASCII.GetString(AccountNameBuf);
            Logger.LogInfo("Accountname: " + AccountName + "\r\n");

            byte HashLength = (byte)P.ReadByte();
            byte[] HashBuf = new byte[HashLength];
            P.Read(HashBuf, 0, HashLength);

            Client.Hash = HashBuf;

            byte KeyLength = (byte)P.ReadByte();
            Client.EncKey = new byte[KeyLength];
            P.Read(Client.EncKey, 0, KeyLength);

            byte Version1 = (byte)P.ReadByte();
            byte Version2 = (byte)P.ReadByte();
            byte Version3 = (byte)P.ReadByte();
            byte Version4 = (byte)P.ReadByte();

            Logger.LogInfo("Done reading LoginRequest, checking account...\r\n");

            using (var db = DataAccess.Get())
            {
                var account = db.Accounts.GetByUsername(AccountName);
                if (account == null)
                {
                    PacketStream OutPacket = new PacketStream(0x02, 2);
                    OutPacket.WriteHeader();
                    OutPacket.WriteByte(0x01);
                    Client.Send(OutPacket);

                    Logger.LogInfo("Bad accountname - sent SLoginFailResponse!\r\n");
                    Client.Disconnect();
                    return;
                }

                if (account.IsCorrectPassword(AccountName, HashBuf))
                {
                    //0x01 = InitLoginNotify
                    PacketStream OutPacket = new PacketStream(0x01, 1);
                    OutPacket.WriteHeader();
                    Client.Username = AccountName;
                    //This is neccessary to encrypt packets.
                    //TODO: Put something else here
                    //Client.Password = Account.GetPassword(AccountName);
                    Client.Send(OutPacket.ToArray());

                    Logger.LogInfo("Sent InitLoginNotify!\r\n");
                }
            }
        }