Do not allow non-root to control quota_nld service

quota.spec

@@ -267,6 +267,7 @@ rm -rf %{buildroot}
 %changelog
 * Fri Feb 04 2011 Petr Pisar <ppisar@redhat.com> - 1:4.00-0.6.pre1
 - Store quota_nld PID into PID file (bug #634137)
+- Do not allow non-root to control quota_nld service (bug #634137)
 
 * Wed Feb 02 2011 Petr Pisar <ppisar@redhat.com> - 1:4.00-0.5.pre1
 - Correct manual pages

quota_nld.init

@@ -29,6 +29,7 @@ prog="quota_nld"
 lockfile=/var/lock/subsys/$prog
 
 start() {
+    [ "$(id -u)" -eq 0 ] || exit 4
     [ -x $exec ] || exit 5
     echo -n $"Starting $prog: "
     daemon $exec $QUOTA_NLD_OPTS
@@ -39,6 +40,7 @@ start() {
 }
 
 stop() {
+    [ "$(id -u)" -eq 0 ] || exit 4
     echo -n $"Stopping $prog: "
     killproc $prog
     retval=$?