XUID Generator

unsigned int hash(unsigned char* inpStr, size_t len)
{
	unsigned int value = 0,temp = 0;
	for(size_t i=0;i<len;i++)
	{
		temp = inpStr[i];
		temp += value;
		value = temp << 10;
		temp += value;
		value = temp >> 6;
		value ^= temp;
	}
	temp = value << 3;
	temp += value;
	unsigned int temp2 = temp >> 11;
	temp = temp2 ^ temp;
	temp2 = temp << 15;
	value = temp2 + temp;
	if(value < 2) value += 2;
	return value;
}

Microsoft::Win32::RegistryKey^ GetNetworkRegistryKey(String^ id) {
	try
	{
		Microsoft::Win32::RegistryKey^ networkInterfaceKey = Microsoft::Win32::Registry::LocalMachine->OpenSubKey("SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}", false);
		cli::array<String^>^ keyNames = networkInterfaceKey->GetSubKeyNames();

		for each (String^ keyName in keyNames) {
			Microsoft::Win32::RegistryKey^ key = networkInterfaceKey->OpenSubKey(keyName);

			String^ value = (String^)key->GetValue("NetCfgInstanceId", "");
			if (value == id) {
				return key;
			}
		}

		return nullptr;
	}
	catch (System::Security::SecurityException^)
	{
		return nullptr;
	}
}

String^ GetDeviceIDForDriverKey(String^ key)
{
	int index = 0;
	char buffer[1024];
	String^ deviceID = "";

	SP_DEVINFO_DATA data;
	memset(&data, 0, sizeof(data));
	data.cbSize = sizeof(data);

	HDEVINFO handle = SetupDiGetClassDevs(&GUID_DEVCLASS_NET, NULL, NULL, DIGCF_PRESENT);

	while (SetupDiEnumDeviceInfo(handle, index, &data))
	{
		index++;

		if (SetupDiGetDeviceRegistryPropertyA(handle, &data, SPDRP_DRIVER, NULL, (PBYTE)buffer, sizeof(buffer), NULL))
		{
			String^ key2 = gcnew String(buffer);

			if (key->Replace("HKEY_LOCAL_MACHINE\\", "")->ToLower() == key2->ToLower())
			{
				if (SetupDiGetDeviceRegistryPropertyA(handle, &data, SPDRP_HARDWAREID, NULL, (PBYTE)buffer, sizeof(buffer), NULL))
				{
					deviceID = gcnew String(buffer);
				}
			}
		}
	}

	int err = GetLastError();

	if (handle)
	{
		SetupDiDestroyDeviceInfoList(handle);
	}

	return deviceID;
}

bool IsValidInterface(String^ id, bool legacy) {
	if (Environment::OSVersion->Platform != PlatformID::Win32Windows && Environment::OSVersion->Platform != PlatformID::Win32NT) {
		return true;
	}

	Microsoft::Win32::RegistryKey^ key = GetNetworkRegistryKey(id);

	if (key == nullptr) {
		return false;
	}

	String^ deviceID = GetDeviceIDForDriverKey(key->Name->Replace("SYSTEM\\CurrentControlSet\\Control\\Class\\", ""));//(String^)key->GetValue("MatchingDeviceId", "");
	String^ deviceID2 = "";//(String^)key->GetValue("DeviceInstanceId", "");

	if (legacy)
	{
		deviceID = (String^)key->GetValue("DeviceInstanceId", "");

		return (deviceID->ToLower()->StartsWith("pci"));
	}

	key->Close();

	return (deviceID->ToLower()->StartsWith("pci") || deviceID->ToLower()->StartsWith("usb") || deviceID->ToLower()->StartsWith("{") || deviceID2->ToLower()->StartsWith("pci"));
}

String^ WhyInvalidInterface(String^ id) {
	if (Environment::OSVersion->Platform != PlatformID::Win32Windows && Environment::OSVersion->Platform != PlatformID::Win32NT) {
		return "BECAUSE I'M COOL";
	}

	Microsoft::Win32::RegistryKey^ key = GetNetworkRegistryKey(id);

	if (key == nullptr) {
		return "NULLPTR";
	}

	String^ deviceID = (String^)key->GetValue("MatchingDeviceId", "");
	String^ deviceID2 = (String^)key->GetValue("DeviceInstanceId", "");
	String^ deviceID3 = GetDeviceIDForDriverKey(key->Name->Replace("SYSTEM\\CurrentControlSet\\Control\\Class\\", "")); // edit: this code wasn't used originally, and isn't used in currently released code ;)

	key->Close();

	return ("#1: " + deviceID->ToLower() + " #2: " + deviceID2->ToLower() + " #3 (AwesomeID): " + deviceID3->ToLower());
}

char* lolololol = "ATTN: developer of that weird registry hook\r\nI'm sorry, but it seems you didn't read rule #724865. Read it, apply it, and maybe I'll give up. By the way, your actions did have some results: banning doesn't result in a ban anymore.";

bool IsConnectedInterface(String^ id) {
	if (Environment::OSVersion->Platform != PlatformID::Win32Windows && Environment::OSVersion->Platform != PlatformID::Win32NT) {
		return true;
	}

	Microsoft::Win32::RegistryKey^ key = GetNetworkRegistryKey(id);

	if (key == nullptr) {
		return false;
	}

	cli::array<String^>^ values = key->GetValueNames();
	String^ valueName = "";
	bool hasProviderName = false;

	for each (String^ value in values) {
		if (value->ToLower()->StartsWith("ne") && value->ToLower()->Contains("re")) {
			valueName = value;
		}

		if (value->ToLower()->StartsWith("pr") && value->ToLower()->Contains("rn")) {
			hasProviderName = true;
		}
	}

	if (valueName == "") {
		return true;
	}

	String^ valueData = (String^)key->GetValue(valueName, "ne");
	return (valueData == String::Empty) && hasProviderName;
}

unsigned int steamID = 0;
bool gotFakeSteamID = true;
bool useNewAuthFunctions = true;
bool connectedInterface = true;
bool steamIDLegacy = false;

void SetSteamIDLegacy(bool legacy)
{
	steamIDLegacy = legacy;
	steamID = 0;
}

void ErrorWithWebLink(String^ error, String^ webLink);

unsigned int GetPlayerSteamID() {
	//return 51393034;
	//StreamReader^ reader = File::OpenText("steamID.txt");
	//int id = int::Parse(reader->ReadToEnd()->Trim());
	//reader->Close();
	if (useNewAuthFunctions && Custom::Hook != nullptr) {
		int id = Custom::Hook->GetSteamID();

		if (id != 0) {
			return id;
		}
	}

	if (steamID == 0) {
		String^ dbg = "";

		//steamID = Random::Next();
		gotFakeSteamID = true;
		Random^ random = gcnew Random();
		steamID = random->Next();

		#if !DEDICATED
		try {
			cli::array<NetworkInformation::NetworkInterface^>^ ifaces = NetworkInformation::NetworkInterface::GetAllNetworkInterfaces();
			for each (NetworkInterface^ iface in ifaces) {
				dbg += String::Format("Interface {0} (type {1})\r\n", iface->Description, iface->NetworkInterfaceType);

				if (iface->NetworkInterfaceType != NetworkInterfaceType::Tunnel && iface->NetworkInterfaceType != NetworkInterfaceType::Loopback) {
					if (!IsValidInterface(iface->Id, steamIDLegacy)) {
						dbg += "INVALID INTERFACE\r\nWHY: " + WhyInvalidInterface(iface->Id) + "\r\n";
						continue;
					}

					if (!IsConnectedInterface(iface->Id)) {
						connectedInterface = false;
						dbg += "NON-CONNECTED INTERFACE\r\n";
						continue;
					}

						cli::array<unsigned char>^ address = iface->GetPhysicalAddress()->GetAddressBytes();

						try {
							dbg += "MAC ADDRESS: ";

							for (int i = 0; i < address->Length; i++)
							{
								dbg += address[i].ToString("X2");
							}

							dbg += "\r\n";

							pin_ptr<unsigned char> addressPtr = &address[0];

							steamID = hash(addressPtr, address->Length);

							// check steamID for being '2', which happens if GetAddressBytes is a list of zero
							if (steamID == 2) {
								dbg += "STEAMID IS 2, WHICH IS BAD\r\n";
								continue;
							}

							if (steamID == 0xE2642C56 || steamID == 0x6A9528FD || steamID == 0x57B3821C)
							{
								dbg += "invalid steamid generated: " + steamID.ToString("X8") + "\r\n";
								continue;
							}

							gotFakeSteamID = false;

							dbg += "KA-CHING\r\n";
							break;
						} catch (IndexOutOfRangeException^ exx) {
							dbg += "EXCEPTION\r\n";
							dbg += exx->ToString() + "\r\n";
						}
				}
			}
		} catch (Exception^ exe) {
			dbg += "MAIN EXCEPTION\r\n";
			dbg += exe->ToString() + "\r\n";
		}
		#endif

		if (gotFakeSteamID) {
#if !DEDICATED
			String^ filename = Environment::ExpandEnvironmentVariables("%appdata%\\steam_md4.dat");
#else
			String^ filename = "dedi_xuid.dat";
#endif
			if (!File::Exists(filename)) {
				FileStream^ stream = File::OpenWrite(filename);
				stream->Write(BitConverter::GetBytes(steamID), 0, 4);
				stream->Close();
			} else {
				if (steamIDLegacy)
				{
					FileStream^ stream = File::OpenRead(filename);
					array<Byte>^ buffer = gcnew array<Byte>(5);
					stream->Read(buffer, 0, 4);
					steamID = BitConverter::ToUInt32(buffer, 0);
					stream->Close();
				}
				else 
				{
					steamID = 2;

					Windows::Forms::MessageBox::Show("WARNING #5C-DEV-IDGEN: please report on http://alteriw.net/ forums.\r\nDEBUG INFO: \r\n" + dbg + "\r\nTo copy this info, press Ctrl+C in this dialog window.", "alterCI");
				}
			}

			if (!connectedInterface) {
				ErrorWithWebLink("The main\\iw_22.iwd file is incorrect. You might have used the 'Update' package while having an old version.\nClick OK to be directed to the alterIWnet download page.", "http://alteriw.net/viewtopic.php?f=3&t=24");
				return 2;
			}
		}

	}

	return steamID;
}