#!/bin/sh
export LC_ALL=C
if [ "$2" = "down" ]; then
/sbin/ip route ls | grep -q '^default' || {
[ -f /var/lock/subsys/ddclient ] && /sbin/service ddclient stop || :
} && { :; }
fi
if [ "$2" = "up" ]; then
/sbin/ip -o route show dev "$1" | grep -q '^default' && {
/sbin/chkconfig ddclient && /sbin/service ddclient start || :
} || { :; }
fi