--- portmaster.orig	2016-02-10 16:35:04 UTC
+++ portmaster
@@ -7,6 +7,12 @@ trap trap_exit INT
 
 umask 022
 
+if [ "$(id -u)" != "0" ]; then
+   	echo "This script must be run as root" 1>&2
+   	exit 1
+fi
+
+
 # Initialize crucial values for the parent, and export them for the children
 if [ -z "$PM_PARENT_PID" ]; then
 	PM_PARENT_PID=$$