| public WriteUInt16 ( ushort Value ) : void | ||
| Value | ushort | The unsigned short to write. |
| return | void | |
/// <summary>
/// Send information about this CityServer to the LoginServer...
/// </summary>
/// <param name="Client">The client connected to the LoginServer.</param>
public static void SendServerInfo(NetworkClient Client)
{
PacketStream Packet = new PacketStream(0x64, 0);
Packet.WriteByte(0x64);
MemoryStream PacketBody = new MemoryStream();
BinaryWriter PacketWriter = new BinaryWriter(PacketBody);
PacketWriter.Write((string)GlobalSettings.Default.CityName);
PacketWriter.Write((string)GlobalSettings.Default.CityDescription);
PacketWriter.Write((string)Settings.BINDING.Address.ToString());
PacketWriter.Write((int)Settings.BINDING.Port);
PacketWriter.Write((byte)1); //CityInfoStatus.OK
PacketWriter.Write((ulong)GlobalSettings.Default.CityThumbnail);
PacketWriter.Write((string)GlobalSettings.Default.ServerID);
PacketWriter.Write((ulong)GlobalSettings.Default.Map);
PacketWriter.Flush();
Packet.WriteUInt16((ushort)(PacketBody.ToArray().Length + PacketHeaders.UNENCRYPTED));
Packet.Write(PacketBody.ToArray(), 0, (int)PacketWriter.BaseStream.Length);
Packet.Flush();
PacketWriter.Close();
Client.Send(Packet.ToArray());
}
public static void HandleChallengeResponse(NetworkClient Client, ProcessedPacket P)
{
PacketStream OutPacket;
if (P.DecryptedSuccessfully)
{
int Length = P.ReadByte();
byte[] CResponse;
if (P.BufferLength >= Length)
CResponse = P.ReadBytes(Length);
else
{
//Authentication failed, so send this packet unencrypted.
OutPacket = new PacketStream((byte)PacketType.LOGIN_FAILURE_CITY, 0);
OutPacket.WriteHeader();
OutPacket.WriteUInt16((ushort)(PacketHeaders.UNENCRYPTED + 1));
OutPacket.WriteByte(0x03); //Bad challenge response.
Client.Send(OutPacket.ToArray());
Logger.LogInfo("Sent LOGIN_FAILURE_CITY!");
return;
}
AESDecryptionArgs DecryptionArgs = Client.ClientEncryptor.GetDecryptionArgsContainer().AESDecryptArgs;
if (DecryptionArgs.Challenge.SequenceEqual(CResponse))
{
OutPacket = new PacketStream((byte)PacketType.LOGIN_SUCCESS_CITY, 0);
OutPacket.WriteByte(0x01);
Client.SendEncrypted((byte)PacketType.LOGIN_SUCCESS_CITY, OutPacket.ToArray());
Logger.LogInfo("Sent LOGIN_SUCCESS_CITY!");
}
else
{
//Authentication failed, so send this packet unencrypted.
OutPacket = new PacketStream((byte)PacketType.LOGIN_FAILURE_CITY, 0);
OutPacket.WriteHeader();
OutPacket.WriteUInt16((ushort)(PacketHeaders.UNENCRYPTED + 1));
OutPacket.WriteByte(0x03); //Bad challenge response.
Client.Send(OutPacket.ToArray());
Logger.LogInfo("Sent LOGIN_FAILURE_CITY!");
}
}
else
{
//Authentication failed, so send this packet unencrypted.
OutPacket = new PacketStream((byte)PacketType.LOGIN_FAILURE_CITY, 0);
OutPacket.WriteHeader();
OutPacket.WriteUInt16((ushort)(PacketHeaders.UNENCRYPTED + 1));
OutPacket.WriteByte(0x03); //Bad challenge response.
Client.Send(OutPacket.ToArray());
Debug.WriteLine("HandleChallengeResponse - decryption failed!");
Logger.LogInfo("Sent LOGIN_FAILURE_CITY!");
}
}
/// <summary>
/// A client requested login.
/// </summary>
/// <param name="Client">NetworkClient instance.</param>
/// <param name="Packet">ProcessedPacket instance.</param>
public static void InitialClientConnect(NetworkClient Client, ProcessedPacket Packet)
{
Console.WriteLine("Server receives data - test 1");
PacketStream EncryptedPacket = new PacketStream(0x02, 0);
EncryptedPacket.WriteHeader();
ClientPublicKey = Packet.ReadBytes((Packet.ReadByte()));
AESEncryptor Enc = (AESEncryptor)Client.ClientEncryptor;
Enc.NOnce = Packet.ReadBytes((Packet.ReadByte()));
Enc.PublicKey = ClientPublicKey;
Enc.PrivateKey = ServerPrivateKey;
Client.ClientEncryptor = Enc;
//THIS IS IMPORTANT - public key must be derived from private!
ServerPublicKey = ServerPrivateKey.PublicKey.ToByteArray();
ChallengeResponse = new byte[16];
m_Random.GetNonZeroBytes(ChallengeResponse);
MemoryStream StreamToEncrypt = new MemoryStream();
BinaryWriter Writer = new BinaryWriter(StreamToEncrypt);
Writer.Write(ChallengeResponse, 0, ChallengeResponse.Length);
Writer.Flush();
byte[] EncryptedData = StaticStaticDiffieHellman.Encrypt(ServerPrivateKey,
ECDiffieHellmanCngPublicKey.FromByteArray(ClientPublicKey, CngKeyBlobFormat.EccPublicBlob), Enc.NOnce,
StreamToEncrypt.ToArray());
EncryptedPacket.WriteUInt16((ushort)(PacketHeaders.UNENCRYPTED +
(1 + ServerPublicKey.Length) +
(1 + EncryptedData.Length)));
EncryptedPacket.WriteByte((byte)ServerPublicKey.Length);
EncryptedPacket.WriteBytes(ServerPublicKey);
EncryptedPacket.WriteByte((byte)EncryptedData.Length);
EncryptedPacket.WriteBytes(EncryptedData);
Client.Send(EncryptedPacket.ToArray());
NetworkFacade.Listener.UpdateClient(Client);
Console.WriteLine("Test 1: passed!");
}
//First packet sent from client to server.
public static void SendInitialConnectPacket(NetworkClient Client, string Username)
{
PacketStream InitialPacket = new PacketStream(0x01, 0);
InitialPacket.WriteHeader();
ECDiffieHellmanCng PrivateKey = Client.ClientEncryptor.GetDecryptionArgsContainer().AESDecryptArgs.PrivateKey;
//IMPORTANT: Public key must derive from the private key!
PacketHandlers.ClientPublicKey = PrivateKey.PublicKey.ToByteArray();
byte[] NOnce = Client.ClientEncryptor.GetDecryptionArgsContainer().AESDecryptArgs.NOnce;
InitialPacket.WriteUInt16((ushort)((byte)PacketHeaders.UNENCRYPTED +
(PacketHandlers.ClientPublicKey.Length + 1) + (NOnce.Length + 1)));
InitialPacket.WriteByte((byte)PacketHandlers.ClientPublicKey.Length);
InitialPacket.WriteBytes(PacketHandlers.ClientPublicKey);
InitialPacket.WriteByte((byte)NOnce.Length);
InitialPacket.WriteBytes(NOnce);
Client.Send(InitialPacket.ToArray());
}
/// <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;
}
/// <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;
}
}
}
/// <summary>
/// Received client token.
/// </summary>
public static void HandleCityToken(NetworkClient Client, ProcessedPacket P)
{
try
{
//bool ClientAuthenticated = false;
ClientToken TokenToRemove = new ClientToken();
using (DataAccess db = DataAccess.Get())
{
string Token = P.ReadString();
ClientToken Tok;
if (Token == string.Empty)
return;
Tok = NetworkFacade.GetClientToken(new Guid(Token));
if (Tok != null)
{
//ClientAuthenticated = true;
TokenToRemove = Tok;
Character Char = db.Characters.GetForCharacterGUID(new Guid(Tok.CharacterGUID));
if (Char != null)
{
NetworkFacade.CurrentSession.AddPlayer(Client, Char);
PacketStream SuccessPacket = new PacketStream((byte)PacketType.CITY_TOKEN, 0);
SuccessPacket.WriteByte((byte)CityTransferStatus.Success);
House[] Houses = NetworkFacade.CurrentSession.GetHousesInSession();
SuccessPacket.WriteUInt16((ushort)Houses.Length);
//Ho, ho, ho...
foreach (House Ho in Houses)
{
SuccessPacket.WriteInt32(Ho.HouseID);
SuccessPacket.WriteString(Ho.Name);
SuccessPacket.WriteUInt16((ushort)Ho.X);
SuccessPacket.WriteUInt16((ushort)Ho.Y);
SuccessPacket.WriteByte((byte)Ho.Flags); //Might have to save this as unsigned in DB?
SuccessPacket.WriteInt32(Ho.Cost);
}
SuccessPacket.WriteInt32(Char.Money);
Client.SendEncrypted((byte)PacketType.CITY_TOKEN, SuccessPacket.ToArray());
}
/*else
{
ClientAuthenticated = false;
break;
}*/
}
NetworkFacade.TransferringClients.TryRemove(out TokenToRemove);
//This is not really valid anymore, because if the token doesn't exist yet,
//the client will now receive it when it arrives - see LoginPacketHandlers.cs
// - HandleClientToken()
/*if (!ClientAuthenticated)
{
PacketStream ErrorPacket = new PacketStream((byte)PacketType.CITY_TOKEN, 0);
ErrorPacket.WriteByte((byte)CityTransferStatus.GeneralError);
Client.SendEncrypted((byte)PacketType.CITY_TOKEN, ErrorPacket.ToArray());
}*/
}
}
catch (Exception E)
{
Logger.LogDebug("Exception in HandleCityToken: " + E.ToString());
Debug.WriteLine("Exception in HandleCityToken: " + E.ToString());
PacketStream ErrorPacket = new PacketStream((byte)PacketType.CITY_TOKEN, 0);
ErrorPacket.WriteByte((byte)CityTransferStatus.GeneralError);
Client.SendEncrypted((byte)PacketType.CITY_TOKEN, ErrorPacket.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;
}
}
/// <summary>
/// A new player joined the current session!
/// </summary>
/// <param name="Client">Client to inform about new player.</param>
public void SendPlayerJoinSession(NetworkClient Client, Character Player)
{
PacketStream JoinPacket = new PacketStream((byte)PacketType.PLAYER_JOINED_SESSION, 0);
JoinPacket.WriteString(Player.GUID.ToString());
JoinPacket.WriteString(Player.Name);
JoinPacket.WriteString(Player.Sex);
JoinPacket.WriteString(Player.Description);
JoinPacket.WriteInt64(Player.HeadOutfitID);
JoinPacket.WriteInt64(Player.BodyOutfitID);
JoinPacket.WriteInt32(Player.AppearanceType);
if (Player.House == 1)
{
JoinPacket.WriteByte(1);
JoinPacket.WriteInt32(Player.HouseHouse.HouseID);
JoinPacket.WriteUInt16((ushort)Player.HouseHouse.X);
JoinPacket.WriteUInt16((ushort)Player.HouseHouse.Y);
JoinPacket.WriteByte((byte)Player.HouseHouse.Flags); //Might have to save this as unsigned in DB?
}
else
JoinPacket.WriteByte(0);
Client.SendEncrypted((byte)PacketType.PLAYER_JOINED_SESSION, JoinPacket.ToArray());
}
/// <summary>
/// Sends a request to purchase a lot.
/// </summary>
/// <param name="Client">NetworkClient instance connected to city server.</param>
/// <param name="X">X-coordinate of lot.</param>
/// <param name="Y">Y-coordinate of lot.</param>
public static void SendLotPurchaseRequest(NetworkClient Client, short X, short Y)
{
PacketStream Packet = new PacketStream((byte)PacketType.LOT_PURCHASE_REQUEST, 0);
Packet.WriteUInt16((ushort)X);
Packet.WriteUInt16((ushort)Y);
Client.SendEncrypted((byte)PacketType.LOT_PURCHASE_REQUEST, Packet.ToArray());
}
/// <summary>
/// A client wanted to transfer to this server, so a token was generated by the login server.
/// </summary>
public static void HandleClientToken(NetworkClient Client, ProcessedPacket P)
{
try
{
ClientToken Token = new ClientToken();
byte CharacterCreate = (byte)P.ReadByte();
Token.AccountID = P.ReadInt32();
Token.ClientIP = P.ReadString();
int ClientPort = P.ReadInt32();
Token.CharacterGUID = P.ReadString();
Token.Token = P.ReadString();
PacketStream PlayerOnlinePacket = new PacketStream(0x67, 0);
PlayerOnlinePacket.WriteHeader();
PlayerOnlinePacket.WriteUInt16((ushort)(PacketHeaders.UNENCRYPTED + 1 +
Token.Token.Length + 1 + Token.ClientIP.Length + 1 + 4));
if (CharacterCreate == 0)
{
if (NetworkFacade.CurrentSession.GetPlayer(Token.CharacterGUID) == null)
{
NetworkClient WaitingClient = NetworkFacade.NetworkListener.GetClient(Token.ClientIP, ClientPort);
//Uh-oh, someone's waiting for their token!
if(WaitingClient != null)
{
PacketStream SuccessPacket = new PacketStream((byte)PacketType.CITY_TOKEN, 0);
SuccessPacket.WriteByte((byte)CityTransferStatus.Success);
WaitingClient.SendEncrypted((byte)PacketType.CITY_TOKEN, SuccessPacket.ToArray());
}
PlayerOnlinePacket.WriteByte(0x01);
PlayerOnlinePacket.WriteString(Token.Token);
PlayerOnlinePacket.WriteString(Token.ClientIP);
PlayerOnlinePacket.WriteInt32(ClientPort);
lock (NetworkFacade.TransferringClients)
{
if (!NetworkFacade.TransferringClients.Contains(Token))
NetworkFacade.TransferringClients.Add(Token);
}
Client.Send(PlayerOnlinePacket.ToArray());
}
else
{
PlayerOnlinePacket.WriteByte(0x02);
PlayerOnlinePacket.WriteString(Token.Token);
PlayerOnlinePacket.WriteString(Token.ClientIP);
PlayerOnlinePacket.WriteInt32(ClientPort);
Client.Send(PlayerOnlinePacket.ToArray());
}
}
else
{
NetworkClient WaitingClient = NetworkFacade.NetworkListener.GetClient(Token.ClientIP, ClientPort);
//Uh-oh, someone's waiting for their token!
if (WaitingClient != null)
{
PacketStream SuccessPacket = new PacketStream((byte)PacketType.CITY_TOKEN, 0);
SuccessPacket.WriteByte((byte)CityTransferStatus.Success);
WaitingClient.SendEncrypted((byte)PacketType.CITY_TOKEN, SuccessPacket.ToArray());
}
if (!NetworkFacade.TransferringClients.Contains(Token))
NetworkFacade.TransferringClients.Add(Token);
}
}
catch (Exception E)
{
Logger.LogDebug("Exception in HandleClientToken: " + E.ToString());
}
}
public static void InitialClientConnect(NetworkClient Client, ProcessedPacket P)
{
Logger.LogInfo("Received InitialClientConnect!");
PacketStream EncryptedPacket = new PacketStream((byte)PacketType.LOGIN_NOTIFY_CITY, 0);
EncryptedPacket.WriteHeader();
AESEncryptor Enc = (AESEncryptor)Client.ClientEncryptor;
Enc.PublicKey = P.ReadBytes((P.ReadByte()));
Enc.NOnce = P.ReadBytes((P.ReadByte()));
Enc.PrivateKey = NetworkFacade.ServerPrivateKey;
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.ServerPrivateKey,
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());
}
/// <summary>
/// Player requested the cost of a lot.
/// </summary>
public static void HandleLotCostRequest(NetworkClient Client, ProcessedPacket Packet)
{
ushort X = Packet.ReadUInt16();
ushort Y = Packet.ReadUInt16();
int LotID;
string LotName;
using (DataAccess db = DataAccess.Get())
{
LotID = db.Houses.GetForPosition(X, Y).HouseID;
LotName = db.Houses.GetForPosition(X, Y).Name;
}
PacketStream LotCostPacket = new PacketStream((byte)PacketType.LOT_PURCHASE_OCCUPIED, 0);
LotCostPacket.WriteUInt16(X);
LotCostPacket.WriteUInt16(Y);
LotCostPacket.WriteInt32(LotID);
LotCostPacket.WriteString(LotName);
byte Flags = 0;
using (DataAccess db = DataAccess.Get())
{
if (db.Houses.GetForPosition(X, Y).HouseID == 0)
{
if (!NetworkFacade.CurrentSession.IsLotOccupied(X, Y))
{
ProtoHelpers.SetBit(ref Flags, 0, false); //Online.
ProtoHelpers.SetBit(ref Flags, 1, false); //Spotlight, this will have to be checked against DB.
ProtoHelpers.SetBit(ref Flags, 2, false); //Locked - is the house locked for public access?
ProtoHelpers.SetBit(ref Flags, 3, false); //Occupied.
LotCostPacket.WriteByte(Flags);
LotCostPacket.WriteInt32(NetworkFacade.LOT_COST); //TODO: Figure out a way to deal with this...
}
}
else
{
if (NetworkFacade.CurrentSession.IsLotOccupied(X, Y))
{
ProtoHelpers.SetBit(ref Flags, 0, true); //Online.
ProtoHelpers.SetBit(ref Flags, 1, false); //Spotlight, this will have to be checked against DB.
ProtoHelpers.SetBit(ref Flags, 2, false); //Locked - is the house locked for public access?
ProtoHelpers.SetBit(ref Flags, 3, true); //Occupied.
LotCostPacket.WriteByte(Flags);
LotCostPacket.WriteInt32(0);
}
else if (!NetworkFacade.CurrentSession.IsLotOccupied(X, Y))
{
ProtoHelpers.SetBit(ref Flags, 0, false); //Online.
ProtoHelpers.SetBit(ref Flags, 1, false); //Spotlight, this will have to be checked against DB.
ProtoHelpers.SetBit(ref Flags, 2, false); //Locked - is the house locked for public access?
ProtoHelpers.SetBit(ref Flags, 3, true); //Occupied.
LotCostPacket.WriteByte(Flags);
LotCostPacket.WriteInt32(0);
}
}
}
Client.SendEncrypted((byte)PacketType.LOT_COST, LotCostPacket.ToArray());
}
/// <summary>
/// Client wanted to retire a character.
/// </summary>
public static void HandleCharacterRetirement(NetworkClient Client, ProcessedPacket P)
{
PacketStream Packet;
string AccountName = P.ReadString();
string GUID = P.ReadString();
if (AccountName == string.Empty || GUID == string.Empty)
return;
using (var db = DataAccess.Get())
{
Account Acc = db.Accounts.GetByUsername(AccountName);
IQueryable<Character> Query = db.Characters.GetForAccount(Acc.AccountID);
//F**K, I hate LINQ.
Guid CharGUID = new Guid(GUID);
Character Char = Query.Where(x => x.GUID == CharGUID).SingleOrDefault();
if (Char != null)
db.Characters.RetireCharacter(Char);
else
return;
//This actually updates the record, not sure how.
Acc.NumCharacters--;
if (Char != null)
{
CityInfo CInfo = NetworkFacade.CServerListener.GetCityServer(Char.City);
//Just in case...
if (CInfo != null)
{
Packet = new PacketStream(0x02, 0);
Packet.WriteHeader();
ushort PacketLength = (ushort)(PacketHeaders.UNENCRYPTED + 4 + GUID.Length + 1);
Packet.WriteUInt16(PacketLength);
Packet.WriteInt32(Acc.AccountID);
Packet.WriteString(GUID);
CInfo.Client.Send(Packet.ToArray());
}
}
}
Packet = new PacketStream((byte)PacketType.RETIRE_CHARACTER_STATUS, 0);
Packet.WriteString(GUID);
Client.SendEncrypted((byte)PacketType.RETIRE_CHARACTER_STATUS, Packet.ToArray());
}
public static void HandleCityTokenRequest(NetworkClient Client, ProcessedPacket P)
{
string AccountName = P.ReadPascalString();
string CityGUID = P.ReadPascalString();
string CharGUID = P.ReadPascalString();
string Token = new Guid().ToString();
foreach (CityServerClient CServer in NetworkFacade.CServerListener.CityServers)
{
if (CityGUID == CServer.ServerInfo.UUID)
{
using (var db = DataAccess.Get())
{
Account Acc = db.Accounts.GetByUsername(AccountName);
PacketStream CServerPacket = new PacketStream(0x01, 0);
CServerPacket.WriteHeader();
ushort PacketLength = (ushort)(PacketHeaders.UNENCRYPTED + 4 + (Client.RemoteIP.Length + 1)
+ (CharGUID.ToString().Length + 1) + (Token.ToString().Length + 1));
CServerPacket.WriteUInt16(PacketLength);
CServerPacket.WriteInt32(Acc.AccountID);
CServerPacket.WritePascalString(Client.RemoteIP);
CServerPacket.WritePascalString(CharGUID.ToString());
CServerPacket.WritePascalString(Token.ToString());
CServer.Send(CServerPacket.ToArray());
break;
}
}
}
PacketStream Packet = new PacketStream((byte)PacketType.REQUEST_CITY_TOKEN, 0);
Packet.WritePascalString(Token);
Client.SendEncrypted((byte)PacketType.REQUEST_CITY_TOKEN, Packet.ToArray());
}
/// <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 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...
SimBase Char = new SimBase(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);
}
/// <summary>
/// Sends a pulse to the LoginServer, to let it know this server is alive.
/// </summary>
private void m_PulseTimer_Elapsed(object sender, ElapsedEventArgs e)
{
PacketStream Packet = new PacketStream(0x66, 3);
Packet.WriteByte(0x66);
Packet.WriteUInt16(3);
Packet.Flush();
m_LoginClient.Send(Packet.ToArray());
Packet.Dispose();
}
/// <summary>
/// Client wanted to create a new character.
/// </summary>
public static void HandleCharacterCreate(NetworkClient Client, ProcessedPacket P)
{
try
{
Logger.LogInfo("Received CharacterCreate!");
bool ClientAuthenticated = false;
byte AccountStrLength = (byte)P.ReadByte();
byte[] AccountNameBuf = new byte[AccountStrLength];
if (P.BufferLength >= AccountStrLength)
{
P.Read(AccountNameBuf, 0, AccountStrLength);
string AccountName = Encoding.ASCII.GetString(AccountNameBuf);
}
else
return;
using (DataAccess db = DataAccess.Get())
{
//No need to check for empty string here, because all it will do is have ClientAuthenticated be false
string Token = P.ReadString();
string GUID = "";
int AccountID = 0;
ClientToken TokenToRemove = NetworkFacade.GetClientToken(Client.RemoteIP);
//Just in case...
if (TokenToRemove != null)
{
if (TokenToRemove.Token.Equals(Token, StringComparison.CurrentCultureIgnoreCase))
{
PacketStream SuccessPacket = new PacketStream((byte)PacketType.CHARACTER_CREATE_CITY, 0);
SuccessPacket.WriteByte((byte)CityDataModel.Entities.CharacterCreationStatus.Success);
House[] Houses = NetworkFacade.CurrentSession.GetHousesInSession();
SuccessPacket.WriteUInt16((ushort)Houses.Length);
//Ho, ho, ho...
foreach (House Ho in Houses)
{
SuccessPacket.WriteInt32(Ho.HouseID);
SuccessPacket.WriteString(Ho.Name);
SuccessPacket.WriteUInt16((ushort)Ho.X);
SuccessPacket.WriteUInt16((ushort)Ho.Y);
SuccessPacket.WriteByte((byte)Ho.Flags); //Might have to save this as unsigned in DB?
SuccessPacket.WriteInt32(Ho.Cost);
}
Client.SendEncrypted((byte)PacketType.CHARACTER_CREATE_CITY, SuccessPacket.ToArray());
ClientAuthenticated = true;
GUID = TokenToRemove.CharacterGUID;
AccountID = TokenToRemove.AccountID;
Sim Char = new Sim(new Guid(GUID));
Char.Timestamp = P.ReadString();
Char.Name = P.ReadString();
Char.Sex = P.ReadString();
Char.Description = P.ReadString();
Char.HeadOutfitID = P.ReadUInt64();
Char.BodyOutfitID = P.ReadUInt64();
Char.Appearance = (AppearanceType)P.ReadByte();
Char.CreatedThisSession = true;
//These are going into DB, so be nazi. Sieg heil!
if (Char.Timestamp == string.Empty || Char.Name == string.Empty || Char.Sex == string.Empty ||
Char.Description == string.Empty)
{
//TODO: Tell loginserver to clean up DB?
ClientAuthenticated = false;
}
var characterModel = new Character();
characterModel.Name = Char.Name;
characterModel.Sex = Char.Sex;
characterModel.Description = Char.Description;
characterModel.LastCached = ProtoHelpers.ParseDateTime(Char.Timestamp);
characterModel.GUID = Char.GUID;
characterModel.HeadOutfitID = (long)Char.HeadOutfitID;
characterModel.BodyOutfitID = (long)Char.BodyOutfitID;
characterModel.AccountID = AccountID;
characterModel.AppearanceType = (int)Char.Appearance;
characterModel.Money = NetworkFacade.INITIAL_MONEY;
NetworkFacade.CurrentSession.AddPlayer(Client, characterModel);
var status = db.Characters.CreateCharacter(characterModel);
}
}
NetworkFacade.TransferringClients.TryRemove(out TokenToRemove);
}
//Invalid token, should never occur...
if (!ClientAuthenticated)
{
NetworkFacade.CurrentSession.RemovePlayer(Client);
PacketStream FailPacket = new PacketStream((byte)PacketType.CHARACTER_CREATE_CITY_FAILED, (int)(PacketHeaders.ENCRYPTED + 1));
FailPacket.WriteByte((byte)CityDataModel.Entities.CharacterCreationStatus.GeneralError);
Client.SendEncrypted((byte)PacketType.CHARACTER_CREATE_CITY_FAILED, FailPacket.ToArray());
}
}
catch (Exception E)
{
Debug.WriteLine("Exception in HandleCharacterCreate: " + E.ToString());
Logger.LogDebug("Exception in HandleCharacterCreate: " + E.ToString());
PacketStream FailPacket = new PacketStream((byte)PacketType.CHARACTER_CREATE_CITY_FAILED, (int)(PacketHeaders.ENCRYPTED + 1));
FailPacket.WriteByte((byte)CityDataModel.Entities.CharacterCreationStatus.GeneralError);
Client.SendEncrypted((byte)PacketType.CHARACTER_CREATE_CITY_FAILED, FailPacket.ToArray());
}
}
