private void HandlePacket(RCONPacket packet)
{
switch (packet.Type)
{
case RCONPacketType.SERVERDATA_AUTH:
{
bool authenticated = packet.Body == Settings.settingsStore.rconPassword;
// send response
SendPacket(new RCONPacket()
{
ID = (authenticated ? packet.ID : -1), // match packet id if pass good, otherwise -1
Type = RCONPacketType.SERVERDATA_AUTH_RESPONSE
});
if (authenticated)
{
State = RCONClientState.AUTHENTICATED;
}
else
{
DarkLog.Normal(RemoteIP.ToString() + ": Bad RCON Password");
Close();
}
}
break;
case RCONPacketType.SERVERDATA_EXECCOMMAND: // command
{
if (State != RCONClientState.AUTHENTICATED)
{
// not authenticated
Close();
break;
}
// we use a wait handle because the server must always execute RCON commands in order
using (AutoResetEvent waitHandle = new AutoResetEvent(false))
{
DarkLog.Normal("RCON command from " + RemoteIP.ToString() + ": " + packet.Body);
CommandHandler.HandleServerInput(packet.Body, (string output) =>
{
// we can fit 4082 characters in a single packet
List <string> responses = new List <string>
{
output.Substring(0, Math.Min(RCONPacket.MAXIMUM_BODY_LENGTH, output.Length))
};
while (output.Length - (RCONPacket.MAXIMUM_BODY_LENGTH * responses.Count) > RCONPacket.MAXIMUM_BODY_LENGTH)
{
responses.Add(output.Substring(RCONPacket.MAXIMUM_BODY_LENGTH * responses.Count, RCONPacket.MAXIMUM_BODY_LENGTH));
}
// send the packet(s)
foreach (string response in responses)
{
SendPacket(new RCONPacket()
{
Body = response,
Type = RCONPacketType.SERVERDATA_RESPONSE_VALUE,
ID = packet.ID
});
}
// release wait handle
waitHandle.Set();
});
waitHandle.WaitOne();
}
}
break;
case RCONPacketType.SERVERDATA_RESPONSE_VALUE: // see comment below
{
// see: https://developer.valvesoftware.com/wiki/Source_RCON_Protocol#Multiple-packet_Responses
SendPacket(packet);
SendPacket(new RCONPacket()
{
Type = RCONPacketType.SERVERDATA_RESPONSE_VALUE,
BodyRaw = new List <byte>(new byte[] { 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00 })
});
}
break;
}
}
/// <summary>
/// Sends an <see cref="RCONPacket"/> to the RCON client
/// </summary>
/// <param name="packet"></param>
public void SendPacket(RCONPacket packet)
{
TcpClient.GetStream().Write(packet.RawData.ToArray(), 0, packet.RawData.Count);
TcpClient.GetStream().Flush();
}