From a2cfc50b7c445d24332836768a55cd188c0e17fa Mon Sep 17 00:00:00 2001
From: Paul Hollinsky <phollinsky@intrepidcs.com>
Date: Thu, 7 Apr 2022 13:05:34 -0400
Subject: [PATCH] Message Filter: Fix filtering on NetID or NetType if message
 doesn't have one

---
 include/icsneo/communication/message/filter/messagefilter.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/icsneo/communication/message/filter/messagefilter.h b/include/icsneo/communication/message/filter/messagefilter.h
index fd76ac3..d512948 100644
--- a/include/icsneo/communication/message/filter/messagefilter.h
+++ b/include/icsneo/communication/message/filter/messagefilter.h
@@ -34,6 +34,8 @@ public:
 				return false;
 			if(!matchNetID(frame.network.getNetID()))
 				return false;
+		} else if (netid != Network::NetID::Any || networkType != Network::Type::Any) {
+			return false; // Filtering on a NetID or Type, but this message doesn't have one
 		}
 		return true;
 	}