public static void HandleCharacterCreate(PacketStream P, ref LoginClient Client,
ref CityServerListener CServerListener)
{
byte PacketLength = (byte)P.ReadByte();
//Length of the unencrypted data, excluding the header (ID, length, unencrypted length).
byte UnencryptedLength = (byte)P.ReadByte();
P.DecryptPacket(Client.EncKey, Client.CryptoService, UnencryptedLength);
Logger.LogDebug("Received CharacterCreate!");
string AccountName = P.ReadString();
Sim Char = new Sim(P.ReadString());
Char.Timestamp = P.ReadString();
Char.Name = P.ReadString();
Char.Sex = P.ReadString();
Char.CreatedThisSession = true;
Client.CurrentlyActiveSim = Char;
switch (Character.CreateCharacter(Char))
{
case CharacterCreationStatus.NameAlreadyExisted:
//TODO: Send packet.
break;
case CharacterCreationStatus.ExceededCharacterLimit:
//TODO: Send packet.
break;
}
}
public static void Handle(PacketStream stream, LoginClient session)
{
byte ID = (byte)stream.ReadByte();
if (m_Handlers.ContainsKey(ID))
{
m_Handlers[ID].Handler(ref session, stream);
}
}
/// <summary>
/// A cityserver logged in!
/// </summary>
public static void HandleCityServerLogin(PacketStream P, ref CityServerClient Client)
{
byte PacketLength = (byte)P.ReadByte();
string Name = P.ReadString();
string Description = P.ReadString();
ulong Thumbnail = P.ReadUInt64();
string IP = P.ReadString();
int Port = P.ReadInt32();
CityServerInfo Info = new CityServerInfo(Name, Description, Thumbnail, IP, Port);
Client.ServerInfo = Info;
}
/// <summary>
/// A cityserver logged in!
/// </summary>
public static void HandleCityServerLogin(PacketStream P, ref CityServerClient Client)
{
byte PacketLength = (byte)P.ReadByte();
Logger.LogDebug("CityServer logged in!");
string Name = P.ReadString();
string Description = P.ReadString();
ulong Thumbnail = P.ReadUInt64();
Guid GUID = new Guid();
string UUID = GUID.ToString();
ulong Map = P.ReadUInt64();
string IP = P.ReadString();
int Port = P.ReadInt32();
CityInfo Info = new CityInfo(Name, Description, Thumbnail, UUID, Map, IP, Port);
Client.ServerInfo = Info;
}
/// <summary>
/// A cityserver logged in!
/// </summary>
public static void HandleCityServerLogin(PacketStream P, ref CityServerClient Client)
{
byte PacketLength = (byte)P.ReadByte();
Logger.LogDebug("CityServer logged in!");
string Name = P.ReadString();
string Description = P.ReadString();
ulong Thumbnail = P.ReadUInt64();
Guid GUID = new Guid();
string UUID = GUID.ToString();
ulong Map = P.ReadUInt64();
string IP = P.ReadString();
int Port = P.ReadInt32();
CityInfo Info = new CityInfo(Name, Description, Thumbnail, UUID, Map, IP, Port);
Client.ServerInfo = Info;
}
/// <summary>
/// Handles incoming packets from a CityServer.
/// </summary>
private void m_CServerListener_OnReceiveEvent(PacketStream P, ref CityServerClient Client)
{
byte ID = (byte)P.ReadByte();
switch (ID)
{
case 0x00:
CityServerPacketHandlers.HandleCityServerLogin(P, ref Client);
break;
case 0x01:
CityServerPacketHandlers.HandleKeyFetch(ref NetworkFacade.ClientListener, P, Client);
break;
case 0x02:
CityServerPacketHandlers.HandlePulse(P, ref Client);
break;
}
}
/// <summary>
/// Handles incoming packets from connected clients.
/// </summary>
private void m_Listener_OnReceiveEvent(PacketStream P, LoginClient Client)
{
byte ID = (byte)P.ReadByte();
switch (ID)
{
case 0x00:
PacketHandlers.HandleLoginRequest(P, ref Client);
break;
case 0x05:
PacketHandlers.HandleCharacterInfoRequest(P, Client);
break;
case 0x06:
PacketHandlers.HandleCityInfoRequest(P, Client);
break;
case 0x07:
PacketHandlers.HandleCharacterCreate(P, ref Client, ref NetworkFacade.CServerListener);
break;
default:
Logger.LogInfo("Received unhandled packet - ID: " + P.PacketID);
break;
}
}
public static void HandleCharacterInfoRequest(PacketStream P, LoginClient Client)
{
byte PacketLength = (byte)P.ReadByte();
//Length of the unencrypted data, excluding the header (ID, length, unencrypted length).
byte UnencryptedLength = (byte)P.ReadByte();
P.DecryptPacket(Client.EncKey, Client.CryptoService, UnencryptedLength);
Logger.LogDebug("Received CharacterInfoRequest!");
byte Length = (byte)P.ReadByte();
byte[] StrBuf = new byte[Length];
P.Read(StrBuf, 0, Length - 1);
DateTime Timestamp = DateTime.Parse(Encoding.ASCII.GetString(StrBuf));
//Database.CheckCharacterTimestamp(Client.Username, Client, TimeStamp);
Character[] Characters = Character.GetCharacters(Client.Username);
if (Characters != null)
{
PacketStream Packet = new PacketStream(0x05, 0);
MemoryStream PacketData = new MemoryStream();
BinaryWriter PacketWriter = new BinaryWriter(PacketData);
//The timestamp for all characters should be equal, so just check the first character.
if (Timestamp < DateTime.Parse(Characters[0].LastCached) ||
Timestamp > DateTime.Parse(Characters[0].LastCached))
{
//Write the characterdata into a temporary buffer.
if (Characters.Length == 1)
{
PacketWriter.Write(Characters[0].CharacterID);
PacketWriter.Write(Characters[0].GUID);
PacketWriter.Write(Characters[0].LastCached);
PacketWriter.Write(Characters[0].Name);
PacketWriter.Write(Characters[0].Sex);
PacketWriter.Flush();
}
else if (Characters.Length == 2)
{
PacketWriter.Write(Characters[0].CharacterID);
PacketWriter.Write(Characters[0].GUID);
PacketWriter.Write(Characters[0].LastCached);
PacketWriter.Write(Characters[0].Name);
PacketWriter.Write(Characters[0].Sex);
PacketWriter.Write(Characters[1].CharacterID);
PacketWriter.Write(Characters[1].GUID);
PacketWriter.Write(Characters[1].LastCached);
PacketWriter.Write(Characters[1].Name);
PacketWriter.Write(Characters[1].Sex);
PacketWriter.Flush();
}
else if (Characters.Length == 3)
{
PacketWriter.Write(Characters[0].CharacterID);
PacketWriter.Write(Characters[0].GUID);
PacketWriter.Write(Characters[0].LastCached);
PacketWriter.Write(Characters[0].Name);
PacketWriter.Write(Characters[0].Sex);
PacketWriter.Write(Characters[1].CharacterID);
PacketWriter.Write(Characters[1].GUID);
PacketWriter.Write(Characters[1].LastCached);
PacketWriter.Write(Characters[1].Name);
PacketWriter.Write(Characters[1].Sex);
PacketWriter.Write(Characters[2].CharacterID);
PacketWriter.Write(Characters[2].GUID);
PacketWriter.Write(Characters[2].LastCached);
PacketWriter.Write(Characters[2].Name);
PacketWriter.Write(Characters[2].Sex);
PacketWriter.Flush();
}
Packet.WriteByte((byte)Characters.Length); //Total number of characters.
Packet.Write(PacketData.ToArray(), 0, (int)PacketData.Length);
PacketWriter.Close();
Client.SendEncrypted(0x05, Packet.ToArray());
}
}
else //No characters existed for the account.
{
PacketStream Packet = new PacketStream(0x05, 0);
Packet.WriteByte(0x00); //0 characters.
Client.SendEncrypted(0x05, Packet.ToArray());
}
}
public static void HandleLoginRequest(PacketStream P, ref LoginClient Client)
{
Logger.LogInfo("Received LoginRequest!\r\n");
byte PacketLength = (byte)P.ReadByte();
byte AccountStrLength = (byte)P.ReadByte();
byte[] AccountNameBuf = new byte[AccountStrLength];
P.Read(AccountNameBuf, 0, AccountStrLength);
string AccountName = Encoding.ASCII.GetString(AccountNameBuf);
Logger.LogInfo("Accountname: " + AccountName + "\r\n");
byte HashLength = (byte)P.ReadByte();
byte[] HashBuf = new byte[HashLength];
P.Read(HashBuf, 0, HashLength);
Client.Hash = HashBuf;
byte KeyLength = (byte)P.ReadByte();
Client.EncKey = new byte[KeyLength];
P.Read(Client.EncKey, 0, KeyLength);
byte Version1 = (byte)P.ReadByte();
byte Version2 = (byte)P.ReadByte();
byte Version3 = (byte)P.ReadByte();
byte Version4 = (byte)P.ReadByte();
Logger.LogInfo("Done reading LoginRequest, checking account...\r\n");
//Database.CheckAccount(AccountName, Client, HashBuf);
if (Account.DoesAccountExist(AccountName) && Account.IsCorrectPassword(AccountName, HashBuf))
{
//0x01 = InitLoginNotify
PacketStream OutPacket = new PacketStream(0x01, 2);
OutPacket.WriteByte(0x01);
OutPacket.WriteByte(0x01);
Client.Username = AccountName;
//This is neccessary to encrypt packets.
Client.Password = Account.GetPassword(AccountName);
Client.Send(OutPacket.ToArray());
Logger.LogInfo("Sent InitLoginNotify!\r\n");
}
else
{
PacketStream OutPacket = new PacketStream(0x02, 2);
P.WriteByte(0x02);
P.WriteByte(0x01);
Client.Send(P.ToArray());
Logger.LogInfo("Bad accountname - sent SLoginFailResponse!\r\n");
Client.Disconnect();
}
}
public static void HandleCityInfoRequest(PacketStream P, LoginClient Client)
{
byte PacketLength = (byte)P.ReadByte();
//Length of the unencrypted data, excluding the header (ID, length, unencrypted length).
byte UnencryptedLength = (byte)P.ReadByte();
P.DecryptPacket(Client.EncKey, Client.CryptoService, UnencryptedLength);
//This packet only contains a dummy byte, don't bother reading it.
PacketStream Packet = new PacketStream(0x06, 0);
MemoryStream PacketData = new MemoryStream();
BinaryWriter PacketWriter = new BinaryWriter(PacketData);
PacketWriter.Write((byte)NetworkFacade.CServerListener.CityServers.Count);
foreach (CityServerClient City in NetworkFacade.CServerListener.CityServers)
{
PacketWriter.Write(City.ServerInfo.Name);
PacketWriter.Write(City.ServerInfo.Description);
PacketWriter.Write(City.ServerInfo.IP);
PacketWriter.Write(City.ServerInfo.Port);
PacketWriter.Write((byte)City.ServerInfo.Status);
PacketWriter.Write(City.ServerInfo.Thumbnail);
PacketWriter.Write(City.ServerInfo.UUID);
PacketWriter.Flush();
}
Packet.Write(PacketData.ToArray(), 0, PacketData.ToArray().Length);
PacketWriter.Close();
Client.SendEncrypted(0x06, Packet.ToArray());
}
/// <summary>
/// Handles incoming packets from a CityServer.
/// </summary>
void m_CServerListener_OnReceiveEvent(PacketStream P, CityServerClient Client)
{
byte ID = (byte)P.ReadByte();
switch (ID)
{
case 0x00:
CityServerPacketHandlers.HandleCityServerLogin(P, ref Client);
break;
case 0x01:
CityServerPacketHandlers.HandleKeyFetch(ref m_Listener, P, Client);
break;
}
}
/**
* Actual packet handlers
*/
public static void HandleLoginRequest(ref LoginClient Client, PacketStream P)
{
Logger.LogInfo("Received LoginRequest!\r\n");
ushort PacketLength = (ushort)P.ReadUShort();
byte AccountStrLength = (byte)P.ReadByte();
byte[] AccountNameBuf = new byte[AccountStrLength];
P.Read(AccountNameBuf, 0, AccountStrLength);
string AccountName = Encoding.ASCII.GetString(AccountNameBuf);
Logger.LogInfo("Accountname: " + AccountName + "\r\n");
byte HashLength = (byte)P.ReadByte();
byte[] HashBuf = new byte[HashLength];
P.Read(HashBuf, 0, HashLength);
Client.Hash = HashBuf;
byte KeyLength = (byte)P.ReadByte();
Client.EncKey = new byte[KeyLength];
P.Read(Client.EncKey, 0, KeyLength);
byte Version1 = (byte)P.ReadByte();
byte Version2 = (byte)P.ReadByte();
byte Version3 = (byte)P.ReadByte();
byte Version4 = (byte)P.ReadByte();
Logger.LogInfo("Done reading LoginRequest, checking account...\r\n");
using (var db = DataAccess.Get())
{
var account = db.Accounts.GetByUsername(AccountName);
if (account == null)
{
PacketStream OutPacket = new PacketStream(0x02, 2);
OutPacket.WriteHeader();
OutPacket.WriteByte(0x01);
Client.Send(OutPacket);
Logger.LogInfo("Bad accountname - sent SLoginFailResponse!\r\n");
Client.Disconnect();
return;
}
if (account.IsCorrectPassword(AccountName, HashBuf))
{
//0x01 = InitLoginNotify
PacketStream OutPacket = new PacketStream(0x01, 1);
OutPacket.WriteHeader();
Client.Username = AccountName;
//This is neccessary to encrypt packets.
//TODO: Put something else here
//Client.Password = Account.GetPassword(AccountName);
Client.Send(OutPacket.ToArray());
Logger.LogInfo("Sent InitLoginNotify!\r\n");
}
}
}
public static void Handle(PacketStream stream, LoginClient session)
{
byte ID = (byte)stream.ReadByte();
if (m_Handlers.ContainsKey(ID))
{
m_Handlers[ID].Handler(ref session, stream);
}
}
/**
* Actual packet handlers
*/
public static void HandleLoginRequest(ref LoginClient Client, PacketStream P)
{
Logger.LogInfo("Received LoginRequest!\r\n");
ushort PacketLength = (ushort)P.ReadUShort();
byte AccountStrLength = (byte)P.ReadByte();
byte[] AccountNameBuf = new byte[AccountStrLength];
P.Read(AccountNameBuf, 0, AccountStrLength);
string AccountName = Encoding.ASCII.GetString(AccountNameBuf);
Logger.LogInfo("Accountname: " + AccountName + "\r\n");
byte HashLength = (byte)P.ReadByte();
byte[] HashBuf = new byte[HashLength];
P.Read(HashBuf, 0, HashLength);
Client.Hash = HashBuf;
byte KeyLength = (byte)P.ReadByte();
Client.EncKey = new byte[KeyLength];
P.Read(Client.EncKey, 0, KeyLength);
byte Version1 = (byte)P.ReadByte();
byte Version2 = (byte)P.ReadByte();
byte Version3 = (byte)P.ReadByte();
byte Version4 = (byte)P.ReadByte();
Logger.LogInfo("Done reading LoginRequest, checking account...\r\n");
using (var db = DataAccess.Get())
{
var account = db.Accounts.GetByUsername(AccountName);
if (account == null)
{
PacketStream OutPacket = new PacketStream(0x02, 2);
OutPacket.WriteHeader();
OutPacket.WriteByte(0x01);
Client.Send(OutPacket);
Logger.LogInfo("Bad accountname - sent SLoginFailResponse!\r\n");
Client.Disconnect();
return;
}
if (account.IsCorrectPassword(AccountName, HashBuf))
{
//0x01 = InitLoginNotify
PacketStream OutPacket = new PacketStream(0x01, 1);
OutPacket.WriteHeader();
Client.Username = AccountName;
//This is neccessary to encrypt packets.
//TODO: Put something else here
//Client.Password = Account.GetPassword(AccountName);
Client.Send(OutPacket.ToArray());
Logger.LogInfo("Sent InitLoginNotify!\r\n");
}
}
}
public static void HandleCharacterInfoRequest(PacketStream P, LoginClient Client)
{
byte PacketLength = (byte)P.ReadByte();
//Length of the unencrypted data, excluding the header (ID, length, unencrypted length).
byte UnencryptedLength = (byte)P.ReadByte();
P.DecryptPacket(Client.EncKey, Client.CryptoService, UnencryptedLength);
Logger.LogDebug("Received CharacterInfoRequest!");
byte Length = (byte)P.ReadByte();
byte[] StrBuf = new byte[Length];
P.Read(StrBuf, 0, Length - 1);
DateTime Timestamp = DateTime.Parse(Encoding.ASCII.GetString(StrBuf));
//Database.CheckCharacterTimestamp(Client.Username, Client, TimeStamp);
Character[] Characters = Character.GetCharacters(Client.Username);
if (Characters != null)
{
PacketStream Packet = new PacketStream(0x05, 0);
MemoryStream PacketData = new MemoryStream();
BinaryWriter PacketWriter = new BinaryWriter(PacketData);
//The timestamp for all characters should be equal, so just check the first character.
if (Timestamp < DateTime.Parse(Characters[0].LastCached) ||
Timestamp > DateTime.Parse(Characters[0].LastCached))
{
//Write the characterdata into a temporary buffer.
if (Characters.Length == 1)
{
PacketWriter.Write(Characters[0].CharacterID);
PacketWriter.Write(Characters[0].GUID);
PacketWriter.Write(Characters[0].LastCached);
PacketWriter.Write(Characters[0].Name);
PacketWriter.Write(Characters[0].Sex);
PacketWriter.Flush();
}
else if (Characters.Length == 2)
{
PacketWriter.Write(Characters[0].CharacterID);
PacketWriter.Write(Characters[0].GUID);
PacketWriter.Write(Characters[0].LastCached);
PacketWriter.Write(Characters[0].Name);
PacketWriter.Write(Characters[0].Sex);
PacketWriter.Write(Characters[1].CharacterID);
PacketWriter.Write(Characters[1].GUID);
PacketWriter.Write(Characters[1].LastCached);
PacketWriter.Write(Characters[1].Name);
PacketWriter.Write(Characters[1].Sex);
PacketWriter.Flush();
}
else if (Characters.Length == 3)
{
PacketWriter.Write(Characters[0].CharacterID);
PacketWriter.Write(Characters[0].GUID);
PacketWriter.Write(Characters[0].LastCached);
PacketWriter.Write(Characters[0].Name);
PacketWriter.Write(Characters[0].Sex);
PacketWriter.Write(Characters[1].CharacterID);
PacketWriter.Write(Characters[1].GUID);
PacketWriter.Write(Characters[1].LastCached);
PacketWriter.Write(Characters[1].Name);
PacketWriter.Write(Characters[1].Sex);
PacketWriter.Write(Characters[2].CharacterID);
PacketWriter.Write(Characters[2].GUID);
PacketWriter.Write(Characters[2].LastCached);
PacketWriter.Write(Characters[2].Name);
PacketWriter.Write(Characters[2].Sex);
PacketWriter.Flush();
}
Packet.WriteByte((byte)Characters.Length); //Total number of characters.
Packet.Write(PacketData.ToArray(), 0, (int)PacketData.Length);
PacketWriter.Close();
Client.SendEncrypted(0x05, Packet.ToArray());
}
}
else //No characters existed for the account.
{
PacketStream Packet = new PacketStream(0x05, 0);
Packet.WriteByte(0x00); //0 characters.
Client.SendEncrypted(0x05, Packet.ToArray());
}
}
