public override void HandleData(ByteBuffer buff)
{
Log.outDebug(LogFilter.Warden, "Handle data");
_dataSent = false;
_clientResponseTimer = 0;
ushort Length = buff.ReadUInt16();
uint Checksum = buff.ReadUInt32();
if (!IsValidCheckSum(Checksum, buff.GetData(), Length))
{
Log.outWarn(LogFilter.Warden, "{0} failed checksum. Action: {1}", _session.GetPlayerInfo(), Penalty());
return;
}
// TIMING_CHECK
{
byte result = buff.ReadUInt8();
// @todo test it.
if (result == 0x00)
{
Log.outWarn(LogFilter.Warden, "{0} failed timing check. Action: {1}", _session.GetPlayerInfo(), Penalty());
return;
}
uint newClientTicks = buff.ReadUInt32();
uint ticksNow = GameTime.GetGameTimeMS();
uint ourTicks = newClientTicks + (ticksNow - _serverTicks);
Log.outDebug(LogFilter.Warden, "ServerTicks {0}", ticksNow); // Now
Log.outDebug(LogFilter.Warden, "RequestTicks {0}", _serverTicks); // At request
Log.outDebug(LogFilter.Warden, "Ticks {0}", newClientTicks); // At response
Log.outDebug(LogFilter.Warden, "Ticks diff {0}", ourTicks - newClientTicks);
}
BigInteger rs;
WardenCheck rd;
WardenCheckType type;
ushort checkFailed = 0;
foreach (var id in _currentChecks)
{
rd = Global.WardenCheckMgr.GetWardenDataById(id);
rs = Global.WardenCheckMgr.GetWardenResultById(id);
type = rd.Type;
switch (type)
{
case WardenCheckType.Memory:
{
byte Mem_Result = buff.ReadUInt8();
if (Mem_Result != 0)
{
Log.outDebug(LogFilter.Warden, "RESULT MEM_CHECK not 0x00, CheckId {0} account Id {1}", id, _session.GetAccountId());
checkFailed = id;
continue;
}
if (buff.ReadBytes(rd.Length).Compare(rs.ToByteArray()))
{
Log.outDebug(LogFilter.Warden, "RESULT MEM_CHECK fail CheckId {0} account Id {1}", id, _session.GetAccountId());
checkFailed = id;
continue;
}
Log.outDebug(LogFilter.Warden, "RESULT MEM_CHECK passed CheckId {0} account Id {1}", id, _session.GetAccountId());
break;
}
case WardenCheckType.PageA:
case WardenCheckType.PageB:
case WardenCheckType.Driver:
case WardenCheckType.Module:
{
byte value = 0xE9;
if (buff.ReadUInt8() != value)
{
if (type == WardenCheckType.PageA || type == WardenCheckType.PageB)
{
Log.outDebug(LogFilter.Warden, "RESULT PAGE_CHECK fail, CheckId {0} account Id {1}", id, _session.GetAccountId());
}
if (type == WardenCheckType.Module)
{
Log.outDebug(LogFilter.Warden, "RESULT MODULE_CHECK fail, CheckId {0} account Id {1}", id, _session.GetAccountId());
}
if (type == WardenCheckType.Driver)
{
Log.outDebug(LogFilter.Warden, "RESULT DRIVER_CHECK fail, CheckId {0} account Id {1}", id, _session.GetAccountId());
}
checkFailed = id;
continue;
}
if (type == WardenCheckType.PageA || type == WardenCheckType.PageB)
{
Log.outDebug(LogFilter.Warden, "RESULT PAGE_CHECK passed CheckId {0} account Id {1}", id, _session.GetAccountId());
}
else if (type == WardenCheckType.Module)
{
Log.outDebug(LogFilter.Warden, "RESULT MODULE_CHECK passed CheckId {0} account Id {1}", id, _session.GetAccountId());
}
else if (type == WardenCheckType.Driver)
{
Log.outDebug(LogFilter.Warden, "RESULT DRIVER_CHECK passed CheckId {0} account Id {1}", id, _session.GetAccountId());
}
break;
}
case WardenCheckType.LuaStr:
{
byte Lua_Result = buff.ReadUInt8();
if (Lua_Result != 0)
{
Log.outDebug(LogFilter.Warden, "RESULT LUA_STR_CHECK fail, CheckId {0} account Id {1}", id, _session.GetAccountId());
checkFailed = id;
continue;
}
byte luaStrLen = buff.ReadUInt8();
if (luaStrLen != 0)
{
Log.outDebug(LogFilter.Warden, "Lua string: {0}", buff.ReadString(luaStrLen));
}
Log.outDebug(LogFilter.Warden, "RESULT LUA_STR_CHECK passed, CheckId {0} account Id {1}", id, _session.GetAccountId());
break;
}
case WardenCheckType.MPQ:
{
byte Mpq_Result = buff.ReadUInt8();
if (Mpq_Result != 0)
{
Log.outDebug(LogFilter.Warden, "RESULT MPQ_CHECK not 0x00 account id {0}", _session.GetAccountId());
checkFailed = id;
continue;
}
if (!buff.ReadBytes(20).Compare(rs.ToByteArray())) // SHA1
{
Log.outDebug(LogFilter.Warden, "RESULT MPQ_CHECK fail, CheckId {0} account Id {1}", id, _session.GetAccountId());
checkFailed = id;
continue;
}
Log.outDebug(LogFilter.Warden, "RESULT MPQ_CHECK passed, CheckId {0} account Id {1}", id, _session.GetAccountId());
break;
}
default: // Should never happen
break;
}
}
if (checkFailed > 0)
{
WardenCheck check = Global.WardenCheckMgr.GetWardenDataById(checkFailed);
Log.outWarn(LogFilter.Warden, "{0} failed Warden check {1}. Action: {2}", _session.GetPlayerInfo(), checkFailed, Penalty(check));
}
// Set hold off timer, minimum timer should at least be 1 second
uint holdOff = WorldConfig.GetUIntValue(WorldCfg.WardenClientCheckHoldoff);
_checkTimer = (holdOff < 1 ? 1 : holdOff) * Time.InMilliseconds;
}
public override void RequestData()
{
Log.outDebug(LogFilter.Warden, "Request data");
// If all checks were done, fill the todo list again
if (_memChecksTodo.Empty())
{
_memChecksTodo.AddRange(Global.WardenCheckMgr.MemChecksIdPool);
}
if (_otherChecksTodo.Empty())
{
_otherChecksTodo.AddRange(Global.WardenCheckMgr.OtherChecksIdPool);
}
_serverTicks = GameTime.GetGameTimeMS();
ushort id;
WardenCheckType type;
WardenCheck wd;
_currentChecks.Clear();
// Build check request
for (uint i = 0; i < WorldConfig.GetUIntValue(WorldCfg.WardenNumMemChecks); ++i)
{
// If todo list is done break loop (will be filled on next Update() run)
if (_memChecksTodo.Empty())
{
break;
}
// Get check id from the end and remove it from todo
id = _memChecksTodo.Last();
_memChecksTodo.Remove(id);
// Add the id to the list sent in this cycle
_currentChecks.Add(id);
}
ByteBuffer buffer = new ByteBuffer();
buffer.WriteUInt8((byte)WardenOpcodes.Smsg_CheatChecksRequest);
for (uint i = 0; i < WorldConfig.GetUIntValue(WorldCfg.WardenNumOtherChecks); ++i)
{
// If todo list is done break loop (will be filled on next Update() run)
if (_otherChecksTodo.Empty())
{
break;
}
// Get check id from the end and remove it from todo
id = _otherChecksTodo.Last();
_otherChecksTodo.Remove(id);
// Add the id to the list sent in this cycle
_currentChecks.Add(id);
wd = Global.WardenCheckMgr.GetWardenDataById(id);
switch (wd.Type)
{
case WardenCheckType.MPQ:
case WardenCheckType.LuaStr:
case WardenCheckType.Driver:
buffer.WriteUInt8((byte)wd.Str.GetByteCount());
buffer.WriteString(wd.Str);
break;
default:
break;
}
}
byte xorByte = _inputKey[0];
// Add TIMING_CHECK
buffer.WriteUInt8(0x00);
buffer.WriteUInt8((byte)((int)WardenCheckType.Timing ^ xorByte));
byte index = 1;
foreach (var checkId in _currentChecks)
{
wd = Global.WardenCheckMgr.GetWardenDataById(checkId);
type = wd.Type;
buffer.WriteUInt8((byte)((int)type ^ xorByte));
switch (type)
{
case WardenCheckType.Memory:
{
buffer.WriteUInt8(0x00);
buffer.WriteUInt32(wd.Address);
buffer.WriteUInt8(wd.Length);
break;
}
case WardenCheckType.PageA:
case WardenCheckType.PageB:
{
buffer.WriteBytes(wd.Data.ToByteArray());
buffer.WriteUInt32(wd.Address);
buffer.WriteUInt8(wd.Length);
break;
}
case WardenCheckType.MPQ:
case WardenCheckType.LuaStr:
{
buffer.WriteUInt8(index++);
break;
}
case WardenCheckType.Driver:
{
buffer.WriteBytes(wd.Data.ToByteArray());
buffer.WriteUInt8(index++);
break;
}
case WardenCheckType.Module:
{
uint seed = RandomHelper.Rand32();
buffer.WriteUInt32(seed);
HmacHash hmac = new HmacHash(BitConverter.GetBytes(seed));
hmac.Finish(wd.Str);
buffer.WriteBytes(hmac.Digest);
break;
}
/*case PROC_CHECK:
* {
* buff.append(wd.i.AsByteArray(0, false).get(), wd.i.GetNumBytes());
* buff << uint8(index++);
* buff << uint8(index++);
* buff << uint32(wd.Address);
* buff << uint8(wd.Length);
* break;
* }*/
default:
break; // Should never happen
}
}
buffer.WriteUInt8(xorByte);
WardenDataServer packet = new WardenDataServer();
packet.Data = EncryptData(buffer.GetData());
_session.SendPacket(packet);
_dataSent = true;
string stream = "Sent check id's: ";
foreach (var checkId in _currentChecks)
{
stream += checkId + " ";
}
Log.outDebug(LogFilter.Warden, stream);
}
