#!/bin/bash
#
# ipv6-dhclient    Created by https://github.com/outime/ipv6-dhclient-script
# chkconfig: 2345 11 89
# description: ipv6-dhclient startup script

# Source function library.
. /etc/init.d/functions

RETVAL=0
prog="ipv6-dhclient"
LOCKFILE=/var/lock/subsys/$prog

INTERFACE={{INTERFACE}}
BLOCK_ADDR={{BLOCK_ADDR}}
BLOCK_SUBNET={{BLOCK_SUBNET}}

start() {
    echo -n "Starting $prog: "
    /sbin/dhclient -cf /etc/dhcp/dhclient6.conf -pf /var/run/dhclient6.$INTERFACE.pid -6 -P $INTERFACE && \
        /sbin/ifconfig $INTERFACE inet6 add $BLOCK_ADDR/$BLOCK_SUBNET && \
        success || failure
    RETVAL=$?
    [ $RETVAL -eq 0 ] && touch $LOCKFILE
    echo
    return $RETVAL
}

stop() {
    echo -n "Shutting down $prog: "
    /usr/bin/killall dhclient && \
        /sbin/ifconfig $INTERFACE inet6 del $BLOCK_ADDR/$BLOCK_SUBNET && \
        success || failure
    RETVAL=$?
    [ $RETVAL -eq 0 ] && rm -f $LOCKFILE
    echo
    return $RETVAL
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    status)
        ;;
    restart)
        stop
        start
        ;;
    *)
        echo "Usage: $prog {start|stop|status|restart}"
        exit 1
        ;;
esac
exit $RETVAL