fix(WireGuardTunnel): ignore addresses if tunnel has a current iface assignment #902

Author: jaredhendrickson13

pfSense-pkg-RESTAPI/files/usr/local/pkg/RESTAPI/Models/WireGuardTunnel.inc

@@ -145,6 +145,19 @@ class WireGuardTunnel extends Model {
         return wg_is_key_clamped($privatekey) ? $privatekey : wg_clamp_key($privatekey);
     }
 
+    /**
+     * Extends the default _update method to ensure addresses are removed if the tunnel has an interface assignment
+     */
+    public function _update(): void
+    {
+        # Remove any existing addresses if this tunnel has an existing interface assignment
+        if (NetworkInterface::query(if: $this->name->value)->exists()) {
+            $this->addresses->value = null;
+        }
+
+        parent::_update();
+    }
+
     /**
      * Obtains the next available WireGuard tunnel interface name.
      * @return string The next available WireGuard tunnel interface name (i.e. tun_wg0)