#!/bin/sh ntp_server=$(nvram get ntp_server) case "${ACTION:-ifup}" in ifup) ps x | grep 'bin/[n]tpclient' >&- || { route -n 2>&- | grep '^0.0.0.0' >&- && /usr/sbin/ntpclient -c 1 -s -h ${ntp_server:-pool.ntp.org} & } ;; ifdown) route -n 2>&- | grep '^0.0.0.0' >&- || killall ntpclient 2>&- >&- ;; esac