public static void OnCityInfoResponse(ProcessedPacket Packet)
{
byte NumCities = (byte)Packet.ReadByte();
if (Packet.DecryptedLength > 1)
{
lock (NetworkFacade.Cities)
{
for (int i = 0; i < NumCities; i++)
{
string Name = Packet.ReadString();
string Description = Packet.ReadString();
string IP = Packet.ReadString();
int Port = Packet.ReadInt32();
byte StatusByte = (byte)Packet.ReadByte();
CityInfoStatus Status = (CityInfoStatus)StatusByte;
ulong Thumbnail = Packet.ReadUInt64();
string UUID = Packet.ReadString();
ulong Map = Packet.ReadUInt64();
CityInfo Info = new CityInfo(false);
Info.Name = Name;
Info.Description = Description;
Info.Thumbnail = Thumbnail;
Info.UUID = UUID;
Info.Map = Map;
Info.IP = IP;
Info.Port = Port;
Info.Online = true;
Info.Status = Status;
NetworkFacade.Cities.Add(Info);
}
}
}
}
/// <summary>
/// Occurs when the client has been sucessfully authenticated by the loginserver.
/// Called by UILoginDialog.cs.
/// </summary>
/// <param name="Client">The client that received the packet.</param>
/// <param name="Packet">The packet that was received.</param>
public static void OnLoginNotify(NetworkClient Client, ProcessedPacket Packet)
{
//Should this be stored for permanent access?
byte[] ServerPublicKey = Packet.ReadBytes(Packet.ReadByte());
byte[] EncryptedData = Packet.ReadBytes(Packet.ReadByte());
AESEncryptor Enc = (AESEncryptor)Client.ClientEncryptor;
Enc.PublicKey = ServerPublicKey;
Client.ClientEncryptor = Enc;
lock (NetworkFacade.Client)
NetworkFacade.Client.ClientEncryptor = Enc;
ECDiffieHellmanCng PrivateKey = Client.ClientEncryptor.GetDecryptionArgsContainer().AESDecryptArgs.PrivateKey;
byte[] NOnce = Client.ClientEncryptor.GetDecryptionArgsContainer().AESDecryptArgs.NOnce;
byte[] ChallengeResponse = StaticStaticDiffieHellman.Decrypt(PrivateKey,
ECDiffieHellmanCngPublicKey.FromByteArray(ServerPublicKey, CngKeyBlobFormat.EccPublicBlob),
NOnce, EncryptedData);
MemoryStream StreamToEncrypt = new MemoryStream();
BinaryWriter Writer = new BinaryWriter(StreamToEncrypt);
Writer.Write((byte)ChallengeResponse.Length);
Writer.Write(ChallengeResponse, 0, ChallengeResponse.Length);
Writer.Write(Client.ClientEncryptor.Username);
Writer.Write((byte)PlayerAccount.Hash.Length);
Writer.Write(PlayerAccount.Hash);
Writer.Flush();
//Encrypt data using key and IV from server, hoping that it'll be decrypted correctly at the other end...
Client.SendEncrypted((byte)PacketType.CHALLENGE_RESPONSE, StreamToEncrypt.ToArray());
}
/// <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!");
}
/// <summary>
/// Received from the CityServer in response to a CITY_TOKEN packet.
/// </summary>
public static CityTransferStatus OnCityTokenResponse(NetworkClient Client, ProcessedPacket Packet)
{
LogThis.Log.LogThis("Received OnCityTokenResponse", LogThis.eloglevel.info);
CityTransferStatus Status = (CityTransferStatus)Packet.ReadByte();
ushort NumHouses = Packet.ReadUInt16();
LotTileEntry[] TileEntries = new LotTileEntry[NumHouses];
if (NumHouses > 0)
{
for (int i = 0; i < NumHouses; i++)
{
TileEntries[i] = new LotTileEntry(Packet.ReadInt32(), Packet.ReadString(), (short)Packet.ReadUInt16(),
(short)Packet.ReadUInt16(), (byte)Packet.ReadByte(), Packet.ReadInt32());
}
}
PlayerAccount.Money = Packet.ReadInt32();
lock (GameFacade.CDataRetriever.LotTileData)
GameFacade.CDataRetriever.LotTileData = TileEntries;
return(Status);
}
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;
}
}
public static void OnCharacterCreationStatus(NetworkClient Client, ProcessedPacket Packet)
{
CharacterCreationStatus CCStatus = (CharacterCreationStatus)Packet.ReadByte();
switch (CCStatus)
{
case CharacterCreationStatus.Success:
Guid CharacterGUID = new Guid();
//CityToken didn't exist, so transition to CityServer hasn't happened yet.
if (PlayerAccount.CityToken == "")
{
CharacterGUID = new Guid(Packet.ReadPascalString());
PlayerAccount.CityToken = Packet.ReadPascalString();
}
NetworkFacade.Controller._OnCharacterCreationStatus(CCStatus);
if(PlayerAccount.CityToken == "")
PlayerAccount.CurrentlyActiveSim.AssignGUID(CharacterGUID.ToString());
break;
case CharacterCreationStatus.ExceededCharacterLimit:
NetworkFacade.Controller._OnCharacterCreationStatus(CCStatus);
break;
case CharacterCreationStatus.NameAlreadyExisted:
NetworkFacade.Controller._OnCharacterCreationStatus(CCStatus);
break;
case CharacterCreationStatus.GeneralError:
NetworkFacade.Controller._OnCharacterCreationStatus(CCStatus);
break;
default:
break;
}
}
/// <summary>
/// Received from the CityServer in response to a CITY_TOKEN packet.
/// </summary>
public static CityTransferStatus OnCityTokenResponse(NetworkClient Client, ProcessedPacket Packet)
{
Debug.WriteLine("Received OnCityTokenResponse");
CityTransferStatus Status = (CityTransferStatus)Packet.ReadByte();
return(Status);
}
public static void HandleChallengeResponse(NetworkClient Client, ProcessedPacket Packet)
{
Console.WriteLine("Server receives challenge response - test 3");
byte[] CResponse = Packet.ReadBytes(Packet.ReadByte());
if (CResponse.SequenceEqual(ChallengeResponse))
{
Console.WriteLine("Received correct challenge response, client was authenticated!");
}
string Username = Packet.ReadString();
Console.WriteLine("Username: "******"Test 3: passed!");
}
public static void HandleCityToken(NetworkClient Client, ProcessedPacket P)
{
try
{
bool ClientAuthenticated = false;
using (var db = DataAccess.Get())
{
byte HashLength = (byte)P.ReadByte();
byte[] HashBuf = new byte[HashLength];
P.Read(HashBuf, 0, HashLength);
byte KeyLength = (byte)P.ReadByte();
byte[] EncKey = new byte[KeyLength];
P.Read(EncKey, 0, KeyLength);
Client.ClientEncryptor = new ARC4Encryptor(Convert.ToBase64String(HashBuf), EncKey);
string Token = P.ReadString();
foreach (ClientToken Tok in NetworkFacade.TransferringClients.GetList())
{
if (Tok.Token == Token)
{
ClientAuthenticated = true;
PacketStream SuccessPacket = new PacketStream((byte)PacketType.CITY_TOKEN, 0);
SuccessPacket.WriteByte((byte)CityTransferStatus.Success);
Client.SendEncrypted((byte)PacketType.CITY_TOKEN, SuccessPacket.ToArray());
}
}
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());
}
}
public static LotTileEntry OnLotCostResponse(NetworkClient Client, ProcessedPacket Packet)
{
ushort X = Packet.ReadUInt16();
ushort Y = Packet.ReadUInt16();
int LotID = Packet.ReadInt32();
string LotName = Packet.ReadString();
//bit 0 = online, bit 1 = spotlight, bit 2 = locked, bit 3 = occupied, other bits free for whatever use
byte Flags = (byte)Packet.ReadByte();
int Cost = Packet.ReadInt32();
return(new LotTileEntry(LotID, LotName, (short)X, (short)Y, Flags, Cost));
}
public static void OnLotPurchaseFailed(NetworkClient Client, ProcessedPacket Packet)
{
EventObject Event;
switch (Packet.ReadByte())
{
case 0x00:
Event = new EventObject(EventCodes.TRANSACTION_RESULT);
EventSink.RegisterEvent(Event);
break;
}
}
/// <summary>
/// Initial response from server to client.
/// </summary>
/// <param name="Client">A NetworkClient instance.</param>
/// <param name="Packet">A ProcessedPacket instance.</param>
public static void HandleServerChallenge(NetworkClient Client, ProcessedPacket Packet)
{
Console.WriteLine("Client receives encrypted data - test 2");
ServerPublicKey = Packet.ReadBytes(Packet.ReadByte());
byte[] EncryptedData = Packet.ReadBytes(Packet.ReadByte());
AESEncryptor Enc = (AESEncryptor)Client.ClientEncryptor;
Enc.PublicKey = ServerPublicKey;
Client.ClientEncryptor = Enc;
NetworkFacade.Client.ClientEncryptor = Enc;
ECDiffieHellmanCng PrivateKey = Client.ClientEncryptor.GetDecryptionArgsContainer().AESDecryptArgs.PrivateKey;
byte[] NOnce = Client.ClientEncryptor.GetDecryptionArgsContainer().AESDecryptArgs.NOnce;
byte[] ChallengeResponse = StaticStaticDiffieHellman.Decrypt(PrivateKey,
ECDiffieHellmanCngPublicKey.FromByteArray(ServerPublicKey, CngKeyBlobFormat.EccPublicBlob),
NOnce, EncryptedData);
MemoryStream StreamToEncrypt = new MemoryStream();
BinaryWriter Writer = new BinaryWriter(StreamToEncrypt);
Writer.Write((byte)ChallengeResponse.Length);
Writer.Write(ChallengeResponse, 0, ChallengeResponse.Length);
Writer.Write(Client.ClientEncryptor.Username);
Writer.Write((byte)PasswordHash.Length);
Writer.Write(PasswordHash);
Writer.Flush();
Client.SendEncrypted(0x03, StreamToEncrypt.ToArray());
Console.WriteLine("Test 2: passed!");
}
/// <summary>
/// A player joined a session (game) in progress.
/// </summary>
public static LotTileEntry OnPlayerJoinedSession(NetworkClient Client, ProcessedPacket Packet)
{
LotTileEntry TileEntry = new LotTileEntry(0, "", 0, 0, 0, 0);
UISim Avatar = new UISim(Packet.ReadString());
Avatar.Name = Packet.ReadString();
Avatar.Sex = Packet.ReadString();
Avatar.Description = Packet.ReadString();
Avatar.HeadOutfitID = Packet.ReadUInt64();
Avatar.BodyOutfitID = Packet.ReadUInt64();
Avatar.Avatar.Appearance = (AppearanceType)Packet.ReadInt32();
byte HasHouse = (byte)Packet.ReadByte();
if (HasHouse != 0)
{
TileEntry = new LotTileEntry(Packet.ReadInt32(), Packet.ReadString(), (short)Packet.ReadUInt16(),
(short)Packet.ReadUInt16(), (byte)Packet.ReadByte(), Packet.ReadInt32());
Avatar.LotID = TileEntry.lotid;
Avatar.HouseX = TileEntry.x;
Avatar.HouseY = TileEntry.y;
LotTileEntry[] TileEntries = new LotTileEntry[GameFacade.CDataRetriever.LotTileData.Length + 1];
TileEntries[0] = TileEntry;
GameFacade.CDataRetriever.LotTileData.CopyTo(TileEntries, 1);
}
lock (NetworkFacade.AvatarsInSession)
{
NetworkFacade.AvatarsInSession.Add(Avatar);
}
return(TileEntry);
}
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>
/// Received CharacterCreation packet from LoginServer.
/// </summary>
/// <returns>The result of the character creation.</returns>
public static CharacterCreationStatus OnCharacterCreationProgress(NetworkClient Client, ProcessedPacket Packet)
{
CharacterCreationStatus CCStatus = (CharacterCreationStatus)Packet.ReadByte();
if (CCStatus == CharacterCreationStatus.Success)
{
Guid CharacterGUID = new Guid();
CharacterGUID = new Guid(Packet.ReadPascalString());
PlayerAccount.CityToken = Packet.ReadPascalString();
PlayerAccount.CurrentlyActiveSim.AssignGUID(CharacterGUID.ToString());
}
return CCStatus;
}
/// <summary>
/// New city server came online!
/// </summary>
public static void OnNewCityServer(NetworkClient Client, ProcessedPacket Packet)
{
lock (NetworkFacade.Cities)
{
CityInfo Info = new CityInfo(false);
Info.Name = Packet.ReadString();
Info.Description = Packet.ReadString();
Info.IP = Packet.ReadString();
Info.Port = Packet.ReadInt32();
Info.Status = (CityInfoStatus)Packet.ReadByte();
Info.Thumbnail = Packet.ReadUInt64();
Info.UUID = Packet.ReadString();
Info.Map = Packet.ReadUInt64();
NetworkFacade.Cities.Add(Info);
}
}
/// <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());
}
/// <summary>
/// Initial response from server to client.
/// </summary>
/// <param name="Client">A NetworkClient instance.</param>
/// <param name="Packet">A ProcessedPacket instance.</param>
public static void HandleServerChallenge(NetworkClient Client, ProcessedPacket Packet)
{
Console.WriteLine("Client receives encrypted data - test 2");
byte[] PacketBuf = new byte[Packet.ReadByte()];
Packet.Read(PacketBuf, 0, (int)PacketBuf.Length);
ECDiffieHellmanPublicKey ServerPub = StaticStaticDiffieHellman.ImportKey("ServerPublic.dat");
MemoryStream DecryptedStream = new MemoryStream(StaticStaticDiffieHellman.Decrypt(ClientKey, ServerPub,
ClientNOnce.ToByteArray(), PacketBuf));
BinaryReader Reader = new BinaryReader(DecryptedStream);
Guid ChallengeResponse = new Guid(Reader.ReadBytes(Reader.ReadByte()));
SessionKey = Reader.ReadBytes(Reader.ReadByte());
IV = Reader.ReadBytes(Reader.ReadByte());
//Yay, we have key and IV, we can now start encryption with AES!
AES AesEncryptor = new AES(SessionKey, IV);
PacketStream EncryptedPacket = new PacketStream(0x03, 0);
EncryptedPacket.WriteHeader();
MemoryStream StreamToEncrypt = new MemoryStream();
BinaryWriter Writer = new BinaryWriter(StreamToEncrypt);
Writer.Write((byte)ChallengeResponse.ToByteArray().Length);
Writer.Write(ChallengeResponse.ToByteArray(), 0, ChallengeResponse.ToByteArray().Length);
//Encrypt data using key and IV from server, hoping that it'll be decrypted correctly at the other end...
byte[] EncryptedData = AesEncryptor.Encrypt(StreamToEncrypt.ToArray());
EncryptedPacket.WriteUInt16((ushort)(PacketHeaders.UNENCRYPTED + EncryptedData.Length + 1));
EncryptedPacket.WriteByte((byte)EncryptedData.Length);
EncryptedPacket.Write(EncryptedData, 0, EncryptedData.Length);
Client.Send(EncryptedPacket.ToArray());
Console.WriteLine("Test 2: passed!");
}
/// <summary>
/// Received CharacterCreation packet from LoginServer.
/// </summary>
/// <returns>The result of the character creation.</returns>
public static CharacterCreationStatus OnCharacterCreationProgress(NetworkClient Client, ProcessedPacket Packet)
{
CharacterCreationStatus CCStatus = (CharacterCreationStatus)Packet.ReadByte();
if (CCStatus == CharacterCreationStatus.Success)
{
Guid CharacterGUID = Guid.NewGuid();
CharacterGUID = new Guid(Packet.ReadString());
PlayerAccount.CityToken = Packet.ReadString();
PlayerAccount.CurrentlyActiveSim.AssignGUID(CharacterGUID.ToString());
//This previously happened when clicking the accept button in CAS, causing
//all chars to be cached even if the new char wasn't successfully created.
lock(NetworkFacade.Avatars)
Cache.CacheSims(NetworkFacade.Avatars);
}
return CCStatus;
}
/// <summary>
/// Received CharacterCreation packet from LoginServer.
/// </summary>
/// <returns>The result of the character creation.</returns>
public static CharacterCreationStatus OnCharacterCreationProgress(NetworkClient Client, ProcessedPacket Packet)
{
CharacterCreationStatus CCStatus = (CharacterCreationStatus)Packet.ReadByte();
if (CCStatus == CharacterCreationStatus.Success)
{
Guid CharacterGUID = Guid.NewGuid();
CharacterGUID = new Guid(Packet.ReadString());
PlayerAccount.CityToken = Packet.ReadString();
PlayerAccount.CurrentlyActiveSim.AssignGUID(CharacterGUID.ToString());
//This previously happened when clicking the accept button in CAS, causing
//all chars to be cached even if the new char wasn't successfully created.
lock (NetworkFacade.Avatars)
Cache.CacheSims(NetworkFacade.Avatars);
}
return(CCStatus);
}
public static void HandleChallengeResponse(NetworkClient Client, ProcessedPacket Packet)
{
Console.WriteLine("Server receives challenge response - test 3");
byte[] PacketBuf = new byte[Packet.ReadByte()];
Packet.Read(PacketBuf, 0, (int)PacketBuf.Length);
AES AesEncryptor = new AES(SessionKey, IV);
MemoryStream DecryptedStream = new MemoryStream(AesEncryptor.Decrypt(PacketBuf));
BinaryReader Reader = new BinaryReader(DecryptedStream);
byte[] CResponseBuf = Reader.ReadBytes(Reader.ReadByte());
Guid CResponse = new Guid(CResponseBuf);
if (CResponse.CompareTo(ChallengeResponse) == 0)
{
Console.WriteLine("Received correct challenge response, client was authenticated!");
}
Console.WriteLine("Test 3: passed!");
}
/// <summary>
/// A cityserver logged in!
/// </summary>
public static void HandleCityServerLogin(NetworkClient Client, ProcessedPacket P)
{
CityServerClient CityClient = (CityServerClient)Client;
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(Name, Description, Thumbnail, UUID, Map, IP, Port);
Info.Status = Status;
CityClient.ServerInfo = Info;
//Client instance changed, so update it...
NetworkFacade.CServerListener.UpdateClient(CityClient);
}
/// <summary>
/// Received CharacterCreation packet from CityServer.
/// </summary>
/// <returns>The result of the character creation.</returns>
public static CharacterCreationStatus OnCharacterCreationStatus(NetworkClient Client, ProcessedPacket Packet)
{
LogThis.Log.LogThis("Received OnCharacterCreationStatus!", LogThis.eloglevel.info);
CharacterCreationStatus CCStatus = (CharacterCreationStatus)Packet.ReadByte();
ushort NumHouses = Packet.ReadUInt16();
LotTileEntry[] TileEntries = new LotTileEntry[NumHouses];
if (NumHouses > 0)
{
for (int i = 0; i < NumHouses; i++)
{
TileEntries[i] = new LotTileEntry(Packet.ReadInt32(), Packet.ReadString(), (short)Packet.ReadUInt16(),
(short)Packet.ReadUInt16(), (byte)Packet.ReadByte(), Packet.ReadInt32());
}
}
lock(TSOClient.Code.GameFacade.CDataRetriever.LotTileData)
TSOClient.Code.GameFacade.CDataRetriever.LotTileData = TileEntries;
return CCStatus;
}
/// <summary>
/// Received CharacterCreation packet from CityServer.
/// </summary>
/// <returns>The result of the character creation.</returns>
public static CharacterCreationStatus OnCharacterCreationStatus(NetworkClient Client, ProcessedPacket Packet)
{
LogThis.Log.LogThis("Received OnCharacterCreationStatus!", LogThis.eloglevel.info);
CharacterCreationStatus CCStatus = (CharacterCreationStatus)Packet.ReadByte();
ushort NumHouses = Packet.ReadUInt16();
LotTileEntry[] TileEntries = new LotTileEntry[NumHouses];
if (NumHouses > 0)
{
for (int i = 0; i < NumHouses; i++)
{
TileEntries[i] = new LotTileEntry(Packet.ReadInt32(), Packet.ReadString(), (short)Packet.ReadUInt16(),
(short)Packet.ReadUInt16(), (byte)Packet.ReadByte(), Packet.ReadInt32());
}
}
lock (GameFacade.CDataRetriever.LotTileData)
GameFacade.CDataRetriever.LotTileData = TileEntries;
return(CCStatus);
}
/// <summary>
/// Occurs when the client was not authenticated by the loginserver.
/// Called by UILoginDialog.cs.
/// </summary>
/// <param name="Client">The client that received the packet.</param>
/// <param name="Packet">The packet that was received.</param>
public static void OnLoginFailResponse(ref NetworkClient Client, ProcessedPacket Packet)
{
EventObject Event;
switch (Packet.ReadByte())
{
case 0x01:
Event = new EventObject(EventCodes.BAD_USERNAME);
EventSink.RegisterEvent(Event);
break;
case 0x02:
Event = new EventObject(EventCodes.BAD_PASSWORD);
EventSink.RegisterEvent(Event);
break;
case 0x03:
Event = new EventObject(EventCodes.AUTHENTICATION_FAILURE);
EventSink.RegisterEvent(Event);
break;
}
Client.Disconnect();
}
public static LotTileEntry OnLotCostResponse(NetworkClient Client, ProcessedPacket Packet)
{
ushort X = Packet.ReadUInt16();
ushort Y = Packet.ReadUInt16();
int LotID = Packet.ReadInt32();
string LotName = Packet.ReadString();
//bit 0 = online, bit 1 = spotlight, bit 2 = locked, bit 3 = occupied, other bits free for whatever use
byte Flags = (byte)Packet.ReadByte();
int Cost = Packet.ReadInt32();
return new LotTileEntry(LotID, LotName, (short)X, (short)Y, Flags, Cost);
}
/// <summary>
/// LoginServer sent information about the player's characters.
/// </summary>
/// <param name="Packet">The packet that was received.</param>
public static void OnCharacterInfoResponse(ProcessedPacket Packet, NetworkClient Client)
{
byte NumCharacters = (byte)Packet.ReadByte();
byte NewCharacters = (byte)Packet.ReadByte();
List <UISim> FreshSims = new List <UISim>();
for (int i = 0; i < NewCharacters; i++)
{
int CharacterID = Packet.ReadInt32();
UISim FreshSim = new UISim(Packet.ReadString(), false);
FreshSim.CharacterID = CharacterID;
FreshSim.Timestamp = Packet.ReadString();
FreshSim.Name = Packet.ReadString();
FreshSim.Sex = Packet.ReadString();
FreshSim.Description = Packet.ReadString();
FreshSim.HeadOutfitID = Packet.ReadUInt64();
FreshSim.BodyOutfitID = Packet.ReadUInt64();
FreshSim.Avatar.Appearance = (AppearanceType)Packet.ReadByte();
FreshSim.ResidingCity = new CityInfo(false);
FreshSim.ResidingCity.Name = Packet.ReadString();
FreshSim.ResidingCity.Thumbnail = Packet.ReadUInt64();
FreshSim.ResidingCity.UUID = Packet.ReadString();
FreshSim.ResidingCity.Map = Packet.ReadUInt64();
FreshSim.ResidingCity.IP = Packet.ReadString();
FreshSim.ResidingCity.Port = Packet.ReadInt32();
FreshSims.Add(FreshSim);
}
lock (NetworkFacade.Avatars)
{
if ((NumCharacters < 3) && (NewCharacters > 0))
{
FreshSims = Cache.LoadCachedSims(FreshSims);
NetworkFacade.Avatars = FreshSims;
Cache.CacheSims(FreshSims);
}
if (NewCharacters == 0 && NumCharacters > 0)
{
NetworkFacade.Avatars = Cache.LoadAllSims();
}
else if (NewCharacters == 3 && NumCharacters == 3)
{
NetworkFacade.Avatars = FreshSims;
Cache.CacheSims(FreshSims);
}
else if (NewCharacters == 0 && NumCharacters == 0)
{
//Make sure if sims existed in the cache, they are deleted (because they didn't exist in DB).
Cache.DeleteCache();
}
else if (NumCharacters == 3 && NewCharacters == 3)
{
NetworkFacade.Avatars = FreshSims;
}
}
PacketStream CityInfoRequest = new PacketStream(0x06, 0);
CityInfoRequest.WriteByte(0x00); //Dummy
Client.SendEncrypted((byte)PacketType.CITY_LIST, CityInfoRequest.ToArray());
}
/// <summary>
/// New city server came online!
/// </summary>
public static void OnNewCityServer(NetworkClient Client, ProcessedPacket Packet)
{
lock (NetworkFacade.Cities)
{
CityInfo Info = new CityInfo(false);
Info.Name = Packet.ReadString();
Info.Description = Packet.ReadString();
Info.IP = Packet.ReadString();
Info.Port = Packet.ReadInt32();
Info.Status = (CityInfoStatus)Packet.ReadByte();
Info.Thumbnail = Packet.ReadUInt64();
Info.UUID = Packet.ReadString();
Info.Map = Packet.ReadUInt64();
NetworkFacade.Cities.Add(Info);
}
}
public static void OnLotPurchaseFailed(NetworkClient Client, ProcessedPacket Packet)
{
EventObject Event;
switch(Packet.ReadByte())
{
case 0x00:
Event = new EventObject(EventCodes.TRANSACTION_RESULT);
EventSink.RegisterEvent(Event);
break;
}
}
public static void OnCityTokenResponse(NetworkClient Client, ProcessedPacket Packet)
{
CityTransferStatus Status = (CityTransferStatus)Packet.ReadByte();
switch (Status)
{
case CityTransferStatus.Success:
NetworkFacade.Controller._OnCityTokenResponse(Status);
break;
case CityTransferStatus.GeneralError:
NetworkFacade.Controller._OnCityTokenResponse(Status);
break;
}
}
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);
}
public static void OnCityInfoResponse(ProcessedPacket Packet)
{
byte NumCities = (byte)Packet.ReadByte();
if (Packet.DecryptedLength > 1)
{
lock (NetworkFacade.Cities)
{
for (int i = 0; i < NumCities; i++)
{
string Name = Packet.ReadString();
string Description = Packet.ReadString();
string IP = Packet.ReadString();
int Port = Packet.ReadInt32();
byte StatusByte = (byte)Packet.ReadByte();
CityInfoStatus Status = (CityInfoStatus)StatusByte;
ulong Thumbnail = Packet.ReadUInt64();
string UUID = Packet.ReadString();
ulong Map = Packet.ReadUInt64();
CityInfo Info = new CityInfo(false);
Info.Name = Name;
Info.Description = Description;
Info.Thumbnail = Thumbnail;
Info.UUID = UUID;
Info.Map = Map;
Info.IP = IP;
Info.Port = Port;
Info.Online = true;
Info.Status = Status;
NetworkFacade.Cities.Add(Info);
}
}
}
}
/// <summary>
/// Received CharacterCreation packet from CityServer.
/// </summary>
/// <returns>The result of the character creation.</returns>
public static CharacterCreationStatus OnCharacterCreationStatus(NetworkClient Client, ProcessedPacket Packet)
{
CharacterCreationStatus CCStatus = (CharacterCreationStatus)Packet.ReadByte();
return CCStatus;
}
public static void OnCityInfoResponse(ProcessedPacket Packet)
{
byte NumCities = (byte)Packet.ReadByte();
if (Packet.DecryptedLength > 1)
{
for (int i = 0; i < NumCities; i++)
{
string Name = Packet.ReadString();
string Description = Packet.ReadString();
string IP = Packet.ReadString();
int Port = Packet.ReadInt32();
byte StatusByte = (byte)Packet.ReadByte();
CityInfoStatus Status = (CityInfoStatus)StatusByte;
ulong Thumbnail = Packet.ReadUInt64();
string UUID = Packet.ReadString();
ulong Map = Packet.ReadUInt64();
CityInfo Info = new CityInfo(Name, Description, Thumbnail, UUID, Map, IP, Port);
Info.Online = true;
Info.Status = Status;
NetworkFacade.Cities.Add(Info);
}
}
}
/// <summary>
/// Received initial packet from CityServer.
/// </summary>
public static void OnLoginNotifyCity(NetworkClient Client, ProcessedPacket Packet)
{
LogThis.Log.LogThis("Received OnLoginNotifyCity!", LogThis.eloglevel.info);
//Should this be stored for permanent access?
byte[] ServerPublicKey = Packet.ReadBytes(Packet.ReadByte());
byte[] EncryptedData = Packet.ReadBytes(Packet.ReadByte());
lock (Client.ClientEncryptor)
{
AESEncryptor Enc = (AESEncryptor)Client.ClientEncryptor;
Enc.PublicKey = ServerPublicKey;
Client.ClientEncryptor = Enc;
lock (NetworkFacade.Client)
NetworkFacade.Client.ClientEncryptor = Enc;
}
ECDiffieHellmanCng PrivateKey = Client.ClientEncryptor.GetDecryptionArgsContainer().AESDecryptArgs.PrivateKey;
byte[] NOnce = Client.ClientEncryptor.GetDecryptionArgsContainer().AESDecryptArgs.NOnce;
byte[] ChallengeResponse = StaticStaticDiffieHellman.Decrypt(PrivateKey,
ECDiffieHellmanCngPublicKey.FromByteArray(ServerPublicKey, CngKeyBlobFormat.EccPublicBlob),
NOnce, EncryptedData);
MemoryStream StreamToEncrypt = new MemoryStream();
BinaryWriter Writer = new BinaryWriter(StreamToEncrypt);
Writer.Write((byte)ChallengeResponse.Length);
Writer.Write(ChallengeResponse, 0, ChallengeResponse.Length);
Writer.Flush();
//Encrypt data using key and IV from server, hoping that it'll be decrypted correctly at the other end...
Client.SendEncrypted((byte)PacketType.CHALLENGE_RESPONSE, StreamToEncrypt.ToArray());
}
/// <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());
}
}
/// <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());
}
}
/// <summary>
/// LoginServer sent information about the player's characters.
/// </summary>
/// <param name="Packet">The packet that was received.</param>
public static void OnCharacterInfoResponse(ProcessedPacket Packet, NetworkClient Client)
{
//If the decrypted length == 1, it means that there were 0
//characters that needed to be updated, or that the user
//hasn't created any characters on his/her account yet.
//Since the Packet.Length property is equal to the length
//of the encrypted data, it cannot be used to get the length
//of the decrypted data.
if (Packet.DecryptedLength > 1)
{
byte NumCharacters = (byte)Packet.ReadByte();
List<Sim> FreshSims = new List<Sim>();
for (int i = 0; i < NumCharacters; i++)
{
int CharacterID = Packet.ReadInt32();
Sim FreshSim = new Sim(Packet.ReadString());
FreshSim.CharacterID = CharacterID;
FreshSim.Timestamp = Packet.ReadString();
FreshSim.Name = Packet.ReadString();
FreshSim.Sex = Packet.ReadString();
FreshSim.Description = Packet.ReadString();
FreshSim.HeadOutfitID = Packet.ReadUInt64();
FreshSim.BodyOutfitID = Packet.ReadUInt64();
FreshSim.AppearanceType = (SimsLib.ThreeD.AppearanceType)Packet.ReadByte();
FreshSim.ResidingCity = new CityInfo(Packet.ReadString(), "", Packet.ReadUInt64(), Packet.ReadString(),
Packet.ReadUInt64(), Packet.ReadString(), Packet.ReadInt32());
FreshSims.Add(FreshSim);
}
NetworkFacade.Avatars = FreshSims;
Cache.CacheSims(FreshSims);
}
PacketStream CityInfoRequest = new PacketStream(0x06, 0);
CityInfoRequest.WriteByte(0x00); //Dummy
Client.SendEncrypted((byte)PacketType.CITY_LIST, CityInfoRequest.ToArray());
}
/**
* 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);
}
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];
P.Read(AccountNameBuf, 0, AccountStrLength);
string AccountName = Encoding.ASCII.GetString(AccountNameBuf);
byte HashLength = (byte)P.ReadByte();
byte[] HashBuf = new byte[HashLength];
P.Read(HashBuf, 0, HashLength);
using (DataAccess db = DataAccess.Get())
{
Client.ClientEncryptor = new ARC4Encryptor(Convert.ToBase64String(HashBuf));
Client.ClientEncryptor.Username = AccountName;
string Token = P.ReadString();
string GUID = "";
int AccountID = 0;
foreach (ClientToken CToken in NetworkFacade.TransferringClients.GetList())
{
if (CToken.ClientIP == Client.RemoteIP)
{
if (CToken.Token == Token)
{
PacketStream SuccessPacket = new PacketStream((byte)PacketType.CHARACTER_CREATE_CITY, (int)(PacketHeaders.ENCRYPTED + 1));
SuccessPacket.WriteByte((byte)CityDataModel.Entities.CharacterCreationStatus.Success);
Client.SendEncrypted((byte)PacketType.CHARACTER_CREATE_CITY, SuccessPacket.ToArray());
ClientAuthenticated = true;
GUID = CToken.CharacterGUID;
AccountID = CToken.AccountID;
}
break;
}
}
Sim Char = new Sim(new Guid(GUID));
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.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 = AccountID;
characterModel.AppearanceType = (int)Char.Appearance;
var status = db.Characters.CreateCharacter(characterModel);
}
//Invalid token, should never occur...
if (!ClientAuthenticated)
{
PacketStream SuccessPacket = new PacketStream(0x65, (int)(PacketHeaders.ENCRYPTED + 1));
SuccessPacket.WriteByte((byte)CityDataModel.Entities.CharacterCreationStatus.GeneralError);
Client.SendEncrypted(0x64, SuccessPacket.ToArray());
Client.Disconnect();
}
}
catch (Exception E)
{
Logger.LogDebug("Exception in HandleCharacterCreate: " + E.ToString());
}
}
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>
/// Occurs when the client was not authenticated by the loginserver.
/// Called by UILoginDialog.cs.
/// </summary>
/// <param name="Client">The client that received the packet.</param>
/// <param name="Packet">The packet that was received.</param>
/// <param name="Screen">A UIScreen instance on which to display a messagebox to inform the player of the
/// failure state.</param>
public static void OnLoginFailResponse(ref NetworkClient Client, ProcessedPacket Packet)
{
EventObject Event;
switch (Packet.ReadByte())
{
case 0x01:
Event = new EventObject(EventCodes.BAD_USERNAME);
EventSink.RegisterEvent(Event);
break;
case 0x02:
Event = new EventObject(EventCodes.BAD_PASSWORD);
EventSink.RegisterEvent(Event);
break;
}
Client.Disconnect();
}
/// <summary>
/// Received from the CityServer in response to a CITY_TOKEN packet.
/// </summary>
public static CityTransferStatus OnCityTokenResponse(NetworkClient Client, ProcessedPacket Packet)
{
LogThis.Log.LogThis("Received OnCityTokenResponse", LogThis.eloglevel.info);
CityTransferStatus Status = (CityTransferStatus)Packet.ReadByte();
ushort NumHouses = Packet.ReadUInt16();
LotTileEntry[] TileEntries = new LotTileEntry[NumHouses];
if (NumHouses > 0)
{
for(int i = 0; i < NumHouses; i++)
{
TileEntries[i] = new LotTileEntry(Packet.ReadInt32(), Packet.ReadString(), (short)Packet.ReadUInt16(),
(short)Packet.ReadUInt16(), (byte)Packet.ReadByte(), Packet.ReadInt32());
}
}
PlayerAccount.Money = Packet.ReadInt32();
lock(TSOClient.Code.GameFacade.CDataRetriever.LotTileData)
TSOClient.Code.GameFacade.CDataRetriever.LotTileData = TileEntries;
return Status;
}
/// <summary>
/// A player joined a session (game) in progress.
/// </summary>
public static LotTileEntry OnPlayerJoinedSession(NetworkClient Client, ProcessedPacket Packet)
{
LotTileEntry TileEntry = new LotTileEntry(0, "", 0, 0, 0, 0);
UISim Avatar = new UISim(Packet.ReadString());
Avatar.Name = Packet.ReadString();
Avatar.Sex = Packet.ReadString();
Avatar.Description = Packet.ReadString();
Avatar.HeadOutfitID = Packet.ReadUInt64();
Avatar.BodyOutfitID = Packet.ReadUInt64();
Avatar.Avatar.Appearance = (AppearanceType)Packet.ReadInt32();
byte HasHouse = (byte)Packet.ReadByte();
if (HasHouse != 0)
{
TileEntry = new LotTileEntry(Packet.ReadInt32(), Packet.ReadString(), (short)Packet.ReadUInt16(),
(short)Packet.ReadUInt16(), (byte)Packet.ReadByte(), Packet.ReadInt32());
Avatar.LotID = TileEntry.lotid;
Avatar.HouseX = TileEntry.x;
Avatar.HouseY = TileEntry.y;
LotTileEntry[] TileEntries = new LotTileEntry[TSOClient.Code.GameFacade.CDataRetriever.LotTileData.Length + 1];
TileEntries[0] = TileEntry;
TSOClient.Code.GameFacade.CDataRetriever.LotTileData.CopyTo(TileEntries, 1);
}
lock (NetworkFacade.AvatarsInSession)
{
NetworkFacade.AvatarsInSession.Add(Avatar);
}
return TileEntry;
}
/// <summary>
/// LoginServer sent information about the player's characters.
/// </summary>
/// <param name="Packet">The packet that was received.</param>
public static void OnCharacterInfoResponse(ProcessedPacket Packet, NetworkClient Client)
{
byte NumCharacters = (byte)Packet.ReadByte();
byte NewCharacters = (byte)Packet.ReadByte();
List<UISim> FreshSims = new List<UISim>();
for (int i = 0; i < NewCharacters; i++)
{
int CharacterID = Packet.ReadInt32();
UISim FreshSim = new UISim(Packet.ReadString(), false);
FreshSim.CharacterID = CharacterID;
FreshSim.Timestamp = Packet.ReadString();
FreshSim.Name = Packet.ReadString();
FreshSim.Sex = Packet.ReadString();
FreshSim.Description = Packet.ReadString();
FreshSim.HeadOutfitID = Packet.ReadUInt64();
FreshSim.BodyOutfitID = Packet.ReadUInt64();
FreshSim.Avatar.Appearance = (AppearanceType)Packet.ReadByte();
FreshSim.ResidingCity = new CityInfo(false);
FreshSim.ResidingCity.Name = Packet.ReadString();
FreshSim.ResidingCity.Thumbnail = Packet.ReadUInt64();
FreshSim.ResidingCity.UUID = Packet.ReadString();
FreshSim.ResidingCity.Map = Packet.ReadUInt64();
FreshSim.ResidingCity.IP = Packet.ReadString();
FreshSim.ResidingCity.Port = Packet.ReadInt32();
FreshSims.Add(FreshSim);
}
lock (NetworkFacade.Avatars)
{
if ((NumCharacters < 3) && (NewCharacters > 0))
{
FreshSims = Cache.LoadCachedSims(FreshSims);
NetworkFacade.Avatars = FreshSims;
Cache.CacheSims(FreshSims);
}
if (NewCharacters == 0 && NumCharacters > 0)
NetworkFacade.Avatars = Cache.LoadAllSims();
else if (NewCharacters == 3 && NumCharacters == 3)
{
NetworkFacade.Avatars = FreshSims;
Cache.CacheSims(FreshSims);
}
else if (NewCharacters == 0 && NumCharacters == 0)
{
//Make sure if sims existed in the cache, they are deleted (because they didn't exist in DB).
Cache.DeleteCache();
}
else if (NumCharacters == 3 && NewCharacters == 3)
{
NetworkFacade.Avatars = FreshSims;
}
}
PacketStream CityInfoRequest = new PacketStream(0x06, 0);
CityInfoRequest.WriteByte(0x00); //Dummy
Client.SendEncrypted((byte)PacketType.CITY_LIST, CityInfoRequest.ToArray());
}
/// <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 from the CityServer in response to a CITY_TOKEN packet.
/// </summary>
public static CityTransferStatus OnCityTokenResponse(NetworkClient Client, ProcessedPacket Packet)
{
CityTransferStatus Status = (CityTransferStatus)Packet.ReadByte();
return Status;
}
/// <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;
}
/**
* 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 = 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);
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);
Client.ClientEncryptor = new ARC4Encryptor(account.Password, EncKey);
//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();
Logger.LogInfo("Done reading LoginRequest, checking account...\r\n");
if (account == null)
{
PacketStream OutPacket = new PacketStream(0x02, 2);
OutPacket.WriteHeader();
OutPacket.WriteByte(0x01);
Client.Send(OutPacket.ToArray());
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();
OutPacket.WriteByte(0x01);
Client.ClientEncryptor.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");
}
}
//Client was modified, update it.
NetworkFacade.ClientListener.UpdateClient(Client);
}
/// <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;
}
}