/// <summary>
/// Sends a CharacterCreate packet to a CityServer.
/// </summary>
/// <param name="LoginArgs">Arguments used to log onto the CityServer.</param>
/// <param name="Character">The character to create on the CityServer.</param>
public static void SendCharacterCreateCity(LoginArgsContainer LoginArgs, TSOClient.VM.Sim Character)
{
PacketStream Packet = new PacketStream((byte)PacketType.CHARACTER_CREATE_CITY, 0);
Packet.WriteHeader();
byte[] EncryptionKey = LoginArgs.Enc.GetDecryptionArgsContainer().ARC4DecryptArgs.EncryptionKey;
MemoryStream PacketData = new MemoryStream();
BinaryWriter Writer = new BinaryWriter(PacketData);
Writer.Write((byte)LoginArgs.Username.Length);
Writer.Write(Encoding.ASCII.GetBytes(LoginArgs.Username), 0, Encoding.ASCII.GetBytes(LoginArgs.Username).Length);
//LoginArgs password is set to PlayerAccount.Hash for relogging to the cityserver.
byte[] HashBuf = Convert.FromBase64String(LoginArgs.Password);
Writer.Write((byte)HashBuf.Length);
Writer.Write(HashBuf, 0, HashBuf.Length);
Writer.Write((byte)EncryptionKey.Length);
Writer.Write(EncryptionKey);
Writer.Write(PlayerAccount.CityToken);
Writer.Write(Character.Timestamp);
Writer.Write(Character.Name);
Writer.Write(Character.Sex);
Writer.Write(Character.Description);
Writer.Write((ulong)Character.HeadOutfitID);
Writer.Write((ulong)Character.BodyOutfitID);
Writer.Write((byte)Character.AppearanceType);
Packet.WriteUInt16((ushort)((ushort)PacketHeaders.UNENCRYPTED + PacketData.Length));
Packet.WriteBytes(PacketData.ToArray());
Writer.Close();
LoginArgs.Client.Send(Packet.ToArray());
}
public static void SendLoginRequest(LoginArgsContainer Args)
{
//Variable length...
PacketStream Packet = new PacketStream((byte)PacketType.LOGIN_REQUEST, 0);
Packet.WriteByte(0x00);
SaltedHash Hash = new SaltedHash(new SHA512Managed(), Args.Username.Length);
MemoryStream MemStream = new MemoryStream();
DecryptionArgsContainer DecryptionArgs = Args.Enc.GetDecryptionArgsContainer();
MemStream.WriteByte((byte)Args.Username.Length);
MemStream.Write(Encoding.ASCII.GetBytes(Args.Username), 0, Encoding.ASCII.GetBytes(Args.Username).Length);
byte[] HashBuf = Hash.ComputePasswordHash(Args.Username, Args.Password);
PlayerAccount.Hash = HashBuf;
MemStream.WriteByte((byte)HashBuf.Length);
MemStream.Write(HashBuf, 0, HashBuf.Length);
Packet.WriteUInt16((ushort)(PacketHeaders.UNENCRYPTED + MemStream.ToArray().Length + 4));
Packet.WriteBytes(MemStream.ToArray());
string[] Version = GlobalSettings.Default.ClientVersion.Split('.');
Packet.WriteByte((byte)int.Parse(Version[0])); //Version 1
Packet.WriteByte((byte)int.Parse(Version[1])); //Version 2
Packet.WriteByte((byte)int.Parse(Version[2])); //Version 3
Packet.WriteByte((byte)int.Parse(Version[3])); //Version 4
Args.Client.Send(Packet.ToArray());
}
/// <summary>
/// Sends a CharacterRetirement packet to the LoginServer, retiring a specific character.
/// </summary>
/// <param name="Character">The character to retire.</param>
public static void SendCharacterRetirement(UISim Character)
{
PacketStream Packet = new PacketStream((byte)PacketType.RETIRE_CHARACTER, 0);
Packet.WritePascalString(PlayerAccount.Username);
Packet.WritePascalString(Character.GUID.ToString());
PlayerAccount.Client.SendEncrypted((byte)PacketType.RETIRE_CHARACTER, Packet.ToArray());
}
/// <summary>
/// Requests a token from the LoginServer, that can be used to log into a CityServer.
/// </summary>
/// <param name="Client">A NetworkClient instance.</param>
public static void RequestCityToken(NetworkClient Client, Sim SelectedCharacter)
{
PacketStream Packet = new PacketStream((byte)PacketType.REQUEST_CITY_TOKEN, 0);
Packet.WritePascalString(Client.ClientEncryptor.Username);
Packet.WritePascalString(SelectedCharacter.ResidingCity.UUID);
Packet.WritePascalString(SelectedCharacter.GUID.ToString());
Client.SendEncrypted((byte)PacketType.REQUEST_CITY_TOKEN, Packet.ToArray());
}
/// <summary>
/// Sends a packet to create a SimulationObject on ter server.
/// Assumes the player is on a lot that he owns.
/// </summary>
/// <param name="CreatedObject">The SimulationObject to create.</param>
public static void SendCreatedSimulationObject(SimulationObject CreatedObject)
{
//TODO: Change this ID!
PacketStream CreateSimulationObjectPacket = new PacketStream(0x11, 0);
BinaryFormatter BinFormatter = new BinaryFormatter();
BinFormatter.Serialize(CreateSimulationObjectPacket, CreatedObject);
PlayerAccount.Client.Send(FinalizePacket(0x11, new DESCryptoServiceProvider(),
CreateSimulationObjectPacket.ToArray()));
}
/// <summary>
/// Sends a packet to create a SimulationObject on ter server.
/// Assumes the player is on a lot that he owns.
/// </summary>
/// <param name="CreatedObject">The SimulationObject to create.</param>
public static void SendCreatedSimulationObject(SimulationObject CreatedObject)
{
//TODO: Change this ID!
PacketStream CreateSimulationObjectPacket = new PacketStream(0x11, 0);
BinaryFormatter BinFormatter = new BinaryFormatter();
BinFormatter.Serialize(CreateSimulationObjectPacket, CreatedObject);
PlayerAccount.Client.Send(FinalizePacket(0x11, new DESCryptoServiceProvider(),
CreateSimulationObjectPacket.ToArray()));
}
/// <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 <UISim> FreshSims = new List <UISim>();
for (int i = 0; i < NumCharacters; 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(Packet.ReadString(), "", Packet.ReadUInt64(), Packet.ReadString(),
Packet.ReadUInt64(), Packet.ReadString(), Packet.ReadInt32());
FreshSims.Add(FreshSim);
}
if (NumCharacters < 3)
{
FreshSims = Cache.LoadCachedSims(FreshSims);
}
NetworkFacade.Avatars = FreshSims;
Cache.CacheSims(FreshSims);
}
else
{
NetworkFacade.Avatars = Cache.LoadAllSims();
}
PacketStream CityInfoRequest = new PacketStream(0x06, 0);
CityInfoRequest.WriteByte(0x00); //Dummy
Client.SendEncrypted((byte)PacketType.CITY_LIST, CityInfoRequest.ToArray());
}
public static void SendCharacterInfoRequest(string TimeStamp)
{
PacketStream Packet = new PacketStream(0x05, 0);
//If this timestamp is newer than the server's timestamp, it means
//the client doesn't have a charactercache. If it's older, it means
//the cache needs to be updated. If it matches, the server sends an
//empty responsepacket.
//Packet.WriteString(TimeStamp);
Packet.WriteByte((byte)TimeStamp.Length);
Packet.WriteBytes(Encoding.ASCII.GetBytes(TimeStamp));
byte[] PacketData = Packet.ToArray();
PlayerAccount.Client.Send(FinalizePacket(0x05, new DESCryptoServiceProvider(), PacketData));
}
public static void SendCharacterInfoRequest(string TimeStamp)
{
PacketStream Packet = new PacketStream((byte)PacketType.CHARACTER_LIST, 0);
//If this timestamp is newer than the server's timestamp, it means
//the client doesn't have a charactercache. If it's older, it means
//the cache needs to be updated. If it matches, the server sends an
//empty responsepacket.
//Packet.WriteString(TimeStamp);
Packet.WritePascalString(TimeStamp);
byte[] PacketData = Packet.ToArray();
//PlayerAccount.Client.Send(FinalizePacket(0x05, new DESCryptoServiceProvider(), PacketData));
PlayerAccount.Client.SendEncrypted((byte)PacketType.CHARACTER_LIST, PacketData);
}
public static void SendLoginRequest(NetworkClient Client, string Username, string Password)
{
//Variable length...
PacketStream Packet = new PacketStream(0x00, 0);
Packet.WriteByte(0x00);
SaltedHash Hash = new SaltedHash(new SHA512Managed(), Username.Length);
byte[] HashBuf = new byte[Encoding.ASCII.GetBytes(Password).Length +
Encoding.ASCII.GetBytes(Username).Length];
MemoryStream MemStream = new MemoryStream();
PasswordDeriveBytes Pwd = new PasswordDeriveBytes(Encoding.ASCII.GetBytes(Password),
Encoding.ASCII.GetBytes("SALT"), "SHA1", 10);
byte[] EncKey = Pwd.GetBytes(8);
PlayerAccount.EncKey = EncKey;
MemStream.WriteByte((byte)Username.Length);
MemStream.Write(Encoding.ASCII.GetBytes(Username), 0, Encoding.ASCII.GetBytes(Username).Length);
HashBuf = Hash.ComputePasswordHash(Username, Password);
PlayerAccount.Hash = HashBuf;
MemStream.WriteByte((byte)HashBuf.Length);
MemStream.Write(HashBuf, 0, HashBuf.Length);
MemStream.WriteByte((byte)EncKey.Length);
MemStream.Write(EncKey, 0, EncKey.Length);
Packet.WriteByte((byte)(2 + MemStream.ToArray().Length + 4));
Packet.WriteBytes(MemStream.ToArray());
//TODO: Change this to write a global client version.
Packet.WriteByte(0x00); //Version 1
Packet.WriteByte(0x00); //Version 2
Packet.WriteByte(0x00); //Version 3
Packet.WriteByte(0x01); //Version 4
Client.Send(Packet.ToArray());
}
/// <summary>
/// LoginServer sent information about the player's characters.
/// </summary>
/// <param name="Packet">The packet that was received.</param>
public static void OnCharacterInfoResponse(PacketStream Packet, NetworkClient Client)
{
byte Opcode = (byte)Packet.ReadByte();
byte Length = (byte)Packet.ReadByte();
byte DecryptedLength = (byte)Packet.ReadByte();
Packet.DecryptPacket(PlayerAccount.EncKey, new DESCryptoServiceProvider(), DecryptedLength);
//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 (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();
FreshSims.Add(FreshSim);
}
NetworkFacade.Avatars = FreshSims;
CacheSims(FreshSims);
}
PacketStream CityInfoRequest = new PacketStream(0x06, 0);
CityInfoRequest.WriteByte(0x00); //Dummy
Client.SendEncrypted(0x06, CityInfoRequest.ToArray());
}
/// <summary>
/// Sends a token to a CityServer, as received by a LoginServer.
/// </summary>
/// <param name="Client">A NetworkClient instance.</param>
public static void SendCityToken(NetworkClient Client)
{
PacketStream Packet = new PacketStream((byte)PacketType.CITY_TOKEN, 0);
Packet.WriteHeader();
MemoryStream PacketData = new MemoryStream();
BinaryWriter Writer = new BinaryWriter(PacketData);
Writer.Write((byte)PlayerAccount.Hash.Length);
Writer.Write(PlayerAccount.Hash, 0, PlayerAccount.Hash.Length);
Writer.Write(PlayerAccount.CityToken);
Packet.WriteUInt16((ushort)((ushort)PacketHeaders.UNENCRYPTED + PacketData.Length));
Packet.WriteBytes(PacketData.ToArray());
Writer.Close();
Client.Send(Packet.ToArray());
}
/// <summary>
/// LoginServer sent information about the player's characters.
/// </summary>
/// <param name="Packet">The packet that was received.</param>
public static void OnCharacterInfoResponse(PacketStream Packet, NetworkClient Client)
{
byte Opcode = (byte)Packet.ReadByte();
byte Length = (byte)Packet.ReadByte();
byte DecryptedLength = (byte)Packet.ReadByte();
Packet.DecryptPacket(PlayerAccount.EncKey, new DESCryptoServiceProvider(), DecryptedLength);
//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 (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();
FreshSims.Add(FreshSim);
}
NetworkFacade.Avatars = FreshSims;
CacheSims(FreshSims);
}
PacketStream CityInfoRequest = new PacketStream(0x06, 0);
CityInfoRequest.WriteByte(0x00); //Dummy
Client.SendEncrypted(0x06, CityInfoRequest.ToArray());
}
/// <summary>
/// Sends a CharacterCreate packet to the LoginServer.
/// </summary>
/// <param name="Character">The character to create.</param>
/// <param name="TimeStamp">The timestamp of when this character was created.</param>
public static void SendCharacterCreate(TSOClient.VM.Sim Character, string TimeStamp)
{
PacketStream Packet = new PacketStream((byte)PacketType.CHARACTER_CREATE, 0);
Packet.WritePascalString(PlayerAccount.Client.ClientEncryptor.Username);
Packet.WritePascalString(TimeStamp);
Packet.WritePascalString(Character.Name);
Packet.WritePascalString(Character.Sex);
Packet.WritePascalString(Character.Description);
Packet.WriteUInt64(Character.HeadOutfitID);
Packet.WriteUInt64(Character.BodyOutfitID);
Packet.WriteByte((byte)Character.AppearanceType);
Packet.WritePascalString(Character.ResidingCity.Name);
Packet.WriteUInt64(Character.ResidingCity.Thumbnail);
Packet.WritePascalString(Character.ResidingCity.UUID);
Packet.WriteUInt64(Character.ResidingCity.Map);
Packet.WritePascalString(Character.ResidingCity.IP);
Packet.WriteInt32(Character.ResidingCity.Port);
byte[] PacketData = Packet.ToArray();
PlayerAccount.Client.SendEncrypted((byte)PacketType.CHARACTER_CREATE, PacketData);
}
/// <summary>
/// Sends a token to a CityServer, as received by a LoginServer.
/// </summary>
/// <param name="Client">A NetworkClient instance.</param>
public static void SendCityToken(NetworkClient Client)
{
PacketStream Packet = new PacketStream((byte)PacketType.CITY_TOKEN, 0);
Packet.WriteHeader();
byte[] EncryptionKey = Client.ClientEncryptor.GetDecryptionArgsContainer().ARC4DecryptArgs.EncryptionKey;
MemoryStream PacketData = new MemoryStream();
BinaryWriter Writer = new BinaryWriter(PacketData);
Writer.Write((byte)PlayerAccount.Hash.Length);
Writer.Write(PlayerAccount.Hash, 0, PlayerAccount.Hash.Length);
Writer.Write((byte)EncryptionKey.Length);
Writer.Write(EncryptionKey);
Writer.Write(PlayerAccount.CityToken);
Packet.WriteUInt16((ushort)((ushort)PacketHeaders.UNENCRYPTED + PacketData.Length));
Packet.WriteBytes(PacketData.ToArray());
Writer.Close();
Client.Send(Packet.ToArray());
}
private void ReceiveCallback(IAsyncResult AR)
{
try
{
Socket Sock = (Socket)AR.AsyncState;
int NumBytesRead = Sock.EndReceive(AR);
Log.LogThis("Received: " + NumBytesRead + " bytes!", eloglevel.info);
byte[] TmpBuf = new byte[NumBytesRead];
Buffer.BlockCopy(m_RecvBuf, 0, TmpBuf, 0, NumBytesRead);
//The packet is given an ID of 0x00 because its ID is currently unknown.
PacketStream TempPacket = new PacketStream(0x00, NumBytesRead, TmpBuf);
byte ID = TempPacket.PeekByte(0);
int PacketLength = 0;
bool FoundMatchingID = false;
FoundMatchingID = FindMatchingPacketID(ID);
if (FoundMatchingID)
{
PacketLength = m_PacketIDs[ID];
Log.LogThis("PacketLength: " + PacketLength, eloglevel.info);
Log.LogThis("Found matching PacketID (" + ID + ")!\r\n\r\n", eloglevel.info);
if (NumBytesRead == PacketLength)
{
Log.LogThis("Got packet - exact length!\r\n\r\n", eloglevel.info);
m_RecvBuf = new byte[11024];
OnReceivedData(new PacketStream(ID, PacketLength, TempPacket.ToArray()));
}
else if (NumBytesRead < PacketLength)
{
m_TempPacket = new PacketStream(ID, PacketLength);
byte[] TmpBuffer = new byte[NumBytesRead];
//Store the number of bytes that were read in the temporary buffer.
Log.LogThis("Got data, but not a full packet - stored " +
NumBytesRead.ToString() + "bytes!\r\n\r\n", eloglevel.info);
Buffer.BlockCopy(m_RecvBuf, 0, TmpBuffer, 0, NumBytesRead);
m_TempPacket.WriteBytes(TmpBuffer);
//And reset the buffers!
m_RecvBuf = new byte[11024];
TmpBuffer = null;
}
else if (PacketLength == 0)
{
Log.LogThis("Received variable length packet!\r\n", eloglevel.info);
if (NumBytesRead > 2)
{
PacketLength = TempPacket.PeekByte(1);
if (NumBytesRead == PacketLength)
{
Log.LogThis("Received exact number of bytes for packet!\r\n", eloglevel.info);
m_RecvBuf = new byte[11024];
m_TempPacket = null;
OnReceivedData(new PacketStream(ID, PacketLength, TempPacket.ToArray()));
}
else if (NumBytesRead < PacketLength)
{
Log.LogThis("Didn't receive entire packet - stored: " + PacketLength + " bytes!\r\n",
eloglevel.info);
TempPacket.SetLength(PacketLength);
m_TempPacket = TempPacket;
m_RecvBuf = new byte[11024];
}
else if (NumBytesRead > PacketLength)
{
Log.LogThis("Received more bytes than needed for packet. Excess: " +
(NumBytesRead - PacketLength) + "\r\n", eloglevel.info);
byte[] TmpBuffer = new byte[NumBytesRead - PacketLength];
Buffer.BlockCopy(TempPacket.ToArray(), 0, TmpBuffer, 0, TmpBuffer.Length);
m_TempPacket = new PacketStream(TmpBuffer[0], NumBytesRead - PacketLength,
TmpBuffer);
byte[] PacketBuffer = new byte[PacketLength];
Buffer.BlockCopy(TempPacket.ToArray(), 0, PacketBuffer, 0, PacketBuffer.Length);
m_RecvBuf = new byte[11024];
OnReceivedData(new PacketStream(ID, PacketLength, PacketBuffer));
}
}
}
}
else
{
if (m_TempPacket != null)
{
if (m_TempPacket.Length < m_TempPacket.BufferLength)
{
//Received the exact number of bytes needed to complete the stored packet.
if ((m_TempPacket.BufferLength + NumBytesRead) == m_TempPacket.Length)
{
byte[] TmpBuffer = new byte[NumBytesRead];
Buffer.BlockCopy(m_RecvBuf, 0, TmpBuffer, 0, NumBytesRead);
m_RecvBuf = new byte[11024];
TmpBuffer = null;
}
//Received more than the number of bytes needed to complete the packet!
else if ((m_TempPacket.BufferLength + NumBytesRead) > m_TempPacket.Length)
{
int Target = (int)((m_TempPacket.BufferLength + NumBytesRead) - m_TempPacket.Length);
byte[] TmpBuffer = new byte[Target];
Buffer.BlockCopy(m_RecvBuf, 0, TmpBuffer, 0, Target);
m_TempPacket.WriteBytes(TmpBuffer);
//Now we have a full packet, so call the received event!
OnReceivedData(new PacketStream(m_TempPacket.PacketID,
(int)m_TempPacket.Length, m_TempPacket.ToArray()));
//Copy the remaining bytes in the receiving buffer.
TmpBuffer = new byte[NumBytesRead - Target];
Buffer.BlockCopy(m_RecvBuf, Target, TmpBuffer, 0, (NumBytesRead - Target));
//Give the temporary packet an ID of 0x00 since we don't know its ID yet.
TempPacket = new PacketStream(0x00, NumBytesRead - Target, TmpBuffer);
ID = TempPacket.PeekByte(0);
//This SHOULD be an existing ID, but let's sanity-check it...
if (FindMatchingPacketID(ID))
{
m_TempPacket = new PacketStream(ID, m_PacketIDs[ID], TempPacket.ToArray());
//Congratulations, you just received another packet!
if (m_TempPacket.Length == m_TempPacket.BufferLength)
{
OnReceivedData(new PacketStream(m_TempPacket.PacketID,
(int)m_TempPacket.Length, m_TempPacket.ToArray()));
//No more data to store on this read, so reset everything...
m_TempPacket = null;
TmpBuffer = null;
m_RecvBuf = new byte[11024];
}
}
else
{
//Houston, we have a problem (this should never occur)!
}
}
}
}
}
m_Sock.BeginReceive(m_RecvBuf, 0, m_RecvBuf.Length, SocketFlags.None,
new AsyncCallback(ReceiveCallback), m_Sock);
}
catch (SocketException E)
{
Log.LogThis("SocketException: " + E.ToString(), eloglevel.info);
Disconnect();
}
}
private void ReceiveCallback(IAsyncResult AR)
{
try
{
Socket Sock = (Socket)AR.AsyncState;
int NumBytesRead = Sock.EndReceive(AR);
/** Cant do anything with this! **/
if (NumBytesRead == 0)
{
return;
}
Log.LogThis("Received: " + NumBytesRead + " bytes!", eloglevel.info);
byte[] TmpBuf = new byte[NumBytesRead];
Buffer.BlockCopy(m_RecvBuf, 0, TmpBuf, 0, NumBytesRead);
//The packet is given an ID of 0x00 because its ID is currently unknown.
PacketStream TempPacket = new PacketStream(0x00, NumBytesRead, TmpBuf);
byte ID = TempPacket.PeekByte(0);
int PacketLength = 0;
var handler = FindPacketHandler(ID);
if (handler != null)
{
PacketLength = handler.Length;
Log.LogThis("PacketLength: " + PacketLength, eloglevel.info);
Log.LogThis("Found matching PacketID (" + ID + ")!\r\n\r\n", eloglevel.info);
if (NumBytesRead == PacketLength)
{
Log.LogThis("Got packet - exact length!\r\n\r\n", eloglevel.info);
m_RecvBuf = new byte[11024];
OnPacket(new PacketStream(ID, PacketLength, TempPacket.ToArray()), handler);
}
else if (NumBytesRead < PacketLength)
{
m_TempPacket = new PacketStream(ID, PacketLength);
byte[] TmpBuffer = new byte[NumBytesRead];
//Store the number of bytes that were read in the temporary buffer.
Log.LogThis("Got data, but not a full packet - stored " +
NumBytesRead.ToString() + "bytes!\r\n\r\n", eloglevel.info);
Buffer.BlockCopy(m_RecvBuf, 0, TmpBuffer, 0, NumBytesRead);
m_TempPacket.WriteBytes(TmpBuffer);
//And reset the buffers!
m_RecvBuf = new byte[11024];
TmpBuffer = null;
}
else if (PacketLength == 0)
{
Log.LogThis("Received variable length packet!\r\n", eloglevel.info);
if (NumBytesRead > (int)PacketHeaders.UNENCRYPTED) //Header is 3 bytes.
{
PacketLength = TempPacket.PeekUShort(1);
if (NumBytesRead == PacketLength)
{
Log.LogThis("Received exact number of bytes for packet!\r\n", eloglevel.info);
m_RecvBuf = new byte[11024];
m_TempPacket = null;
OnPacket(new PacketStream(ID, PacketLength, TempPacket.ToArray()), handler);
}
else if (NumBytesRead < PacketLength)
{
Log.LogThis("Didn't receive entire packet - stored: " + PacketLength + " bytes!\r\n",
eloglevel.info);
TempPacket.SetLength(PacketLength);
m_TempPacket = TempPacket;
m_RecvBuf = new byte[11024];
}
else if (NumBytesRead > PacketLength)
{
Log.LogThis("Received more bytes than needed for packet. Excess: " +
(NumBytesRead - PacketLength) + "\r\n", eloglevel.info);
byte[] TmpBuffer = new byte[NumBytesRead - PacketLength];
Buffer.BlockCopy(TempPacket.ToArray(), 0, TmpBuffer, 0, TmpBuffer.Length);
m_TempPacket = new PacketStream(TmpBuffer[0], NumBytesRead - PacketLength,
TmpBuffer);
byte[] PacketBuffer = new byte[PacketLength];
Buffer.BlockCopy(TempPacket.ToArray(), 0, PacketBuffer, 0, PacketBuffer.Length);
m_RecvBuf = new byte[11024];
OnPacket(new PacketStream(ID, PacketLength, PacketBuffer), handler);
}
}
}
}
else
{
if (m_TempPacket != null)
{
if (m_TempPacket.Length < m_TempPacket.BufferLength)
{
//Received the exact number of bytes needed to complete the stored packet.
if ((m_TempPacket.BufferLength + NumBytesRead) == m_TempPacket.Length)
{
byte[] TmpBuffer = new byte[NumBytesRead];
Buffer.BlockCopy(m_RecvBuf, 0, TmpBuffer, 0, NumBytesRead);
m_RecvBuf = new byte[11024];
TmpBuffer = null;
}
//Received more than the number of bytes needed to complete the packet!
else if ((m_TempPacket.BufferLength + NumBytesRead) > m_TempPacket.Length)
{
int Target = (int)((m_TempPacket.BufferLength + NumBytesRead) - m_TempPacket.Length);
byte[] TmpBuffer = new byte[Target];
Buffer.BlockCopy(m_RecvBuf, 0, TmpBuffer, 0, Target);
m_TempPacket.WriteBytes(TmpBuffer);
//Now we have a full packet, so call the received event!
OnPacket(new PacketStream(m_TempPacket.PacketID,
(int)m_TempPacket.Length, m_TempPacket.ToArray()), handler);
//Copy the remaining bytes in the receiving buffer.
TmpBuffer = new byte[NumBytesRead - Target];
Buffer.BlockCopy(m_RecvBuf, Target, TmpBuffer, 0, (NumBytesRead - Target));
//Give the temporary packet an ID of 0x00 since we don't know its ID yet.
TempPacket = new PacketStream(0x00, NumBytesRead - Target, TmpBuffer);
ID = TempPacket.PeekByte(0);
handler = FindPacketHandler(ID);
//This SHOULD be an existing ID, but let's sanity-check it...
if (handler != null)
{
m_TempPacket = new PacketStream(ID, handler.Length, TempPacket.ToArray());
//Congratulations, you just received another packet!
if (m_TempPacket.Length == m_TempPacket.BufferLength)
{
OnPacket(new PacketStream(m_TempPacket.PacketID,
(int)m_TempPacket.Length, m_TempPacket.ToArray()), handler);
//No more data to store on this read, so reset everything...
m_TempPacket = null;
TmpBuffer = null;
m_RecvBuf = new byte[11024];
}
}
else
{
//Houston, we have a problem (this should never occur)!
}
}
}
}
}
m_Sock.BeginReceive(m_RecvBuf, 0, m_RecvBuf.Length, SocketFlags.None,
new AsyncCallback(ReceiveCallback), m_Sock);
}
catch (SocketException E)
{
Log.LogThis("SocketException: " + E.ToString(), eloglevel.info);
Disconnect();
}
}
public static void SendLoginRequest(NetworkClient Client, string Username, string Password)
{
//Variable length...
PacketStream Packet = new PacketStream(0x00, 0);
Packet.WriteByte(0x00);
SaltedHash Hash = new SaltedHash(new SHA512Managed(), Username.Length);
byte[] HashBuf = new byte[Encoding.ASCII.GetBytes(Password).Length +
Encoding.ASCII.GetBytes(Username).Length];
MemoryStream MemStream = new MemoryStream();
PasswordDeriveBytes Pwd = new PasswordDeriveBytes(Encoding.ASCII.GetBytes(Password),
Encoding.ASCII.GetBytes("SALT"), "SHA1", 10);
byte[] EncKey = Pwd.GetBytes(8);
PlayerAccount.EncKey = EncKey;
MemStream.WriteByte((byte)Username.Length);
MemStream.Write(Encoding.ASCII.GetBytes(Username), 0, Encoding.ASCII.GetBytes(Username).Length);
HashBuf = Hash.ComputePasswordHash(Username, Password);
PlayerAccount.Hash = HashBuf;
MemStream.WriteByte((byte)HashBuf.Length);
MemStream.Write(HashBuf, 0, HashBuf.Length);
MemStream.WriteByte((byte)EncKey.Length);
MemStream.Write(EncKey, 0, EncKey.Length);
Packet.WriteByte((byte)(2 + MemStream.ToArray().Length + 4));
Packet.WriteBytes(MemStream.ToArray());
//TODO: Change this to write a global client version.
Packet.WriteByte(0x00); //Version 1
Packet.WriteByte(0x00); //Version 2
Packet.WriteByte(0x00); //Version 3
Packet.WriteByte(0x01); //Version 4
Client.Send(Packet.ToArray());
}