add RFC 3927 IP address space to private IP checks (#5115)

Add the RFC 3927 IP address block (169.254.0.0/16), also referred to as IPIPA, to the private address checks for MQTT functionality.
meshtastic · Nov 3, 2024 · ab0711e · ab0711e
1 parent 0bda21f
commit ab0711e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/mqtt/MQTT.cpp b/src/mqtt/MQTT.cpp
@@ -746,7 +746,8 @@ bool MQTT::isPrivateIpAddress(const char address[])
     }
 
     // Check the easy ones first.
-    if (strcmp(address, "127.0.0.1") == 0 || strncmp(address, "10.", 3) == 0 || strncmp(address, "192.168", 7) == 0) {
+    if (strcmp(address, "127.0.0.1") == 0 || strncmp(address, "10.", 3) == 0 || strncmp(address, "192.168", 7) == 0 ||
+        strncmp(address, "169.254", 7) == 0) {
         return true;
     }