From bc8c2f5c549084df93c061b061f1e5b0d9d7046c Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 8 Jul 2010 21:31:23 +0200
Subject: [PATCH] systemctl: short cut things if we aren't root and the user
 requested a reboot to suppress unnecessary wall message

---
 src/systemctl.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/systemctl.c b/src/systemctl.c
index 01deafe2..03143379 100644
--- a/src/systemctl.c
+++ b/src/systemctl.c
@@ -3156,6 +3156,11 @@ static int start_with_fallback(DBusConnection *bus) {
 static int halt_main(DBusConnection *bus) {
         int r;
 
+        if (geteuid() != 0) {
+                log_error("Must to be root.");
+                return -EPERM;
+        }
+
         if (!arg_dry && !arg_immediate)
                 return start_with_fallback(bus);
 
-- 
2.39.5