Don't authenticate loopback

src/Components/Modules/Auth.cpp

@@ -63,8 +63,13 @@ namespace Components
 			return;
 		}
 
-#if DEBUG
+		if (address.IsLoopback()
 // Simply connect, if we're in debug mode, we ignore all security checks
+#ifdef DEBUG
+			|| true
+#endif
+			)
+		{
 			if (!connectData.infostring().empty())
 			{
 				Game::SV_Cmd_EndTokenizedString();
@@ -75,7 +80,9 @@ namespace Components
 			{
 				Network::Send(address, "error\nInvalid infostring data!");
 			}
-#else
+		}
+		else
+		{
 			// Validate proto data
 			if (connectData.signature().empty() || connectData.publickey().empty() || connectData.token().empty() || connectData.infostring().empty())
 			{
@@ -142,7 +149,7 @@ namespace Components
 
 			Logger::Print("Verified XUID %llX (%d) from %s\n", xuid, userLevel, address.GetCString());
 			Game::SV_DirectConnect(*address.Get());
-#endif
+		}
 	}
 
 	void __declspec(naked) Auth::DirectConnectStub()

src/Components/Modules/Network.cpp

@@ -107,6 +107,10 @@ namespace Components
 
 		return false;
 	}
+	bool Network::Address::IsLoopback()
+	{
+		return Game::NET_IsLocalAddress(this->address);
+	}
 	bool Network::Address::IsValid()
 	{
 		return (this->GetType() != Game::netadrtype_t::NA_BAD);

src/Components/Modules/Network.hpp

@@ -41,6 +41,7 @@ namespace Components
 			bool IsLocal();
 			bool IsSelf();
 			bool IsValid();
+			bool IsLoopback();
 
 			void Serialize(Proto::Network::Address* protoAddress);
 			void Deserialize(const Proto::Network::Address& protoAddress);