/**
* Check and read any incoming bytes.
* @param p The Player which the frame should be created for.
* @param forceRead How many bytes to read from the buffer.
*/
private Packet fillStream(Connection connection, int forceRead)
{
if (connection == null)
return null;
if (connection.chuckedRawPackets.Count() < forceRead)
return null;
PacketBuilder pckt = new PacketBuilder();
pckt.setSize(Packet.Size.Bare).addBytes(connection.chuckedRawPackets.GetRange(0, forceRead).ToArray(), 0, forceRead);
connection.chuckedRawPackets.RemoveRange(0, forceRead); //delete read data.
return pckt.toPacket();
}
private void updateServer(Connection connection)
{
if (connection == null)
return;
try
{
if (connection.loginStage == 1)
{
Packet fill_3 = fillStream(connection, 3);
if (fill_3 == null) //really is 5, but we guess first 2 could be login server and not updateServer.
return;
PacketBuilder u1Response = new PacketBuilder();
u1Response.setSize(Packet.Size.Bare).addByte((byte)0);
connection.SendPacket(u1Response.toPacket());
connection.loginStage = 3;
updateServer(connection);
}
else if (connection.loginStage == 3)
{
Packet fill_8 = fillStream(connection, 8);
if (fill_8 == null)
return;
PacketBuilder ukeys = new PacketBuilder();
ukeys.setSize(Packet.Size.Bare).addBytes(Misc.UPDATE_KEYS);
connection.SendPacket(ukeys.toPacket());
connection.loginStage = 5;
updateServer(connection);
}
else if (connection.loginStage == 5)
{
Packet fill_1 = fillStream(connection, 1);
if (fill_1 == null)
return;
//this is some unknown/not useful packet sent by client useful for quick disconnection.
connection.loginStage = 255;
}
}
catch (Exception exception)
{
Misc.WriteError(exception.Message);
}
}
private void attemptPlayerLogin(Connection connection)
{
if (connection == null)
return;
if (connection.loginStage == 0) //Attempt login or update server.
{
Packet fill_2 = fillStream(connection, 2);
if (fill_2 == null)
return;
int connectionType = fill_2.readByte();
if (connectionType == 15)
{ //it's update server
connection.loginStage = 1;
updateServer(connection);
return;
}
else if (connectionType == 255)
{
connection.SendPacket(new PacketBuilder()
.setSize(Packet.Size.Bare)
.addBytes(Misc.WORLD_LIST_DATA).toPacket());
connection.loginStage = 5;
updateServer(connection);
return;
}
else if (connectionType != 14)
{
connection.loginStage = 255; //255 is used as fail.
return;
}
Random random = new Random();
long serverSessionKey = ((long)(random.NextDouble() * 99999999D) << 32)
+ (long)(random.NextDouble() * 99999999D);
int longPlayerName = fill_2.readByte();
PacketBuilder s1Response = new PacketBuilder();
s1Response.setSize(Packet.Size.Bare).addByte((byte)0).addLong(serverSessionKey);
connection.SendPacket(s1Response.toPacket());
connection.loginStage = 2;
attemptPlayerLogin(connection);
}
else if (connection.loginStage == 2)
{
Packet fill_1 = fillStream(connection, 1);
if (fill_1 == null)
return;
int loginType = fill_1.readByte();
if (loginType != 16 && loginType != 18 && loginType != 14)
{
connection.loginStage = 255; //255 is used as fail.
return;
}
connection.loginStage = 4;
attemptPlayerLogin(connection);
}
else if (connection.loginStage == 4)
{
Packet fill_2 = fillStream(connection, 2);
if (fill_2 == null)
return;
int loginPacketSize = fill_2.readUShort();
int loginEncryptPacketSize = loginPacketSize - (36 + 1 + 1 + 2);
if (loginEncryptPacketSize <= 0)
{
connection.loginStage = 255;
return;
}
Packet fill_loginPacketSize = fillStream(connection, loginPacketSize);
if (fill_loginPacketSize == null)
return;
int clientVersion = fill_loginPacketSize.readInt();
if (clientVersion != 530)
{
connection.loginStage = 255;
return;
}
byte junk1 = fill_loginPacketSize.readByte();
byte lowMem = fill_loginPacketSize.readByte(); //0 is this still low mem ver?
byte zero = fill_loginPacketSize.readByte();
byte b1 = fill_loginPacketSize.readByte();
ushort s1 = fill_loginPacketSize.readUShort();
ushort s2 = fill_loginPacketSize.readUShort();
byte b2 = fill_loginPacketSize.readByte();
for (int i = 0; i < 24; i++)
{
int cacheIDX = fill_loginPacketSize.readByte();
}
string appletSettings = fill_loginPacketSize.readRS2String(); //EkKmok3kJqOeN6D3mDdihco3oPeYN2KFy6W5--vZUbNA
int someInt1 = fill_loginPacketSize.readInt();
int someInt2 = fill_loginPacketSize.readInt();
ushort short1 = fill_loginPacketSize.readUShort();
for (int i = 0; i < 28; i++)
{
int crcOfClientClasses = fill_loginPacketSize.readInt();
}
int junk2 = fill_loginPacketSize.readByte();
int encryption = fill_loginPacketSize.readByte();
if (encryption != 10 && encryption != 64)
{
connection.loginStage = 255;
return;
}
long clientSessionKey = fill_loginPacketSize.readLong();
long serverSessionKey = fill_loginPacketSize.readLong();
LoginDetails loginDetails = new LoginDetails();
loginDetails.setLongName(fill_loginPacketSize.readLong()); //must start a 225.
loginDetails.setUsername(Misc.longToPlayerName(loginDetails.getLongName()).ToLower().Replace("_", " ").Trim());
loginDetails.setPassword(fill_loginPacketSize.readRS2String());
Console.WriteLine("Attempting to login with Username: "******" Password: " + loginDetails.getPassword());
connection.setLoginDetails(loginDetails);
//start attempting to login the account.
lock (playersToLoad)
{
playersToLoad.Enqueue(connection);
}
connection.loginStage = 6;
}
}