check validity of the user

module/scandir@/configure/configure

@@ -6,18 +6,23 @@ export VERBOSITY="${MOD_VERBOSITY}"
 export CLOCK_ENABLED=0
 export COLOR_ENABLED="${MOD_COLOR}"
 
+die(){
+  66-yeller -f "${@}"
+  exit 111
+}
+
 owner="${1}"
-home_env=$(homeof "${owner}")
+home_env=$(homeof "${owner}" 2>/dev/null)
+
+if [ -z "${home_env}" ]; then
+	die "invalid user: ${owner}"
+fi
+
 home_env="${home_env}/${MOD_SERVICE_USERCONFDIR}svscan@${owner}"
 
 service_dir="${MOD_MODULE_DIR}/service@"
 svscan="${service_dir}/svscan@"
 
-die(){
-  66-yeller -f "${@}"
-  exit 111
-}
-
 check_empty_var(){
 	name="${1}" var_value="${2}"
 	if [ -z "${var_value}" ]; then
@@ -45,6 +50,8 @@ absolute_path(){
 	fi
 }
 
+
+
 if execl-toc -X -V LIVE_DIRECTORY; then
 	
 	check_empty_var "LIVE_DIRECTORY" "${LIVE_DIRECTORY}"