#!/bin/bash
#
# chkconfig: - 65 35
# description: dhcpd provide access to Dynamic Host Control Protocol.

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

RETVAL=0
prog=dhcpd
dhcpd=/usr/sbin/dhcpd
lockfile=/var/lock/subsys/dhcpd

. /etc/sysconfig/dhcpd

cfOption() {
    let i=0
    for a in $* ; do
        ((++i))
        if [ $a = -cf ]; then
            ((++i))
            eval 'echo $'$i
        elif [[ $a = -cf* ]]; then
            echo ${a#-cf}
        fi
    done
}

CF=`cfOption $DHCPDARGS`
if [ -z "$CF" ]; then
    CF='/etc/dhcpd.conf'
fi

[ -f "$CF" ] || exit 0

if [ ! -f /var/lib/dhcpd/dhcpd.leases ] ; then
    mkdir -p /var/lib/dhcpd
    touch /var/lib/dhcpd/dhcpd.leases
    [ -x /sbin/restorecon ] && [ -d /selinux ] && /sbin/restorecon /var/lib/dhcp/dhcpd.leases >/dev/null 2>&1
fi

configtest() {
    [ -x $dhcpd ] || return 5
    [ -f $CF ] || return 6
    $dhcpd -q -t -cf $CF
    RETVAL=$?
    return $RETVAL
}

start() {
    [ -x $dhcpd ] || return 5
    [ -f $CF ] || return 6
    echo -n $"Starting $prog: "
    daemon $dhcpd $DHCPDARGS 2>/dev/null
    RETVAL=$?
    echo
    [ $RETVAL = 0 ] && touch $lockfile
    return $RETVAL
}

stop() {
    echo -n $"Shutting down $prog: "
    killproc $prog
    RETVAL=$?
    echo
    [ $RETVAL = 0 ] && rm -f $lockfile
    return $RETVAL
}

# See how we were called.
case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    reload)
        RETVAL=3
        ;;
    restart)
        configtest || exit $?
        stop
        start
        ;;
    condrestart)
        if [ -f $lockfile ]; then
            stop
            start
        fi
        ;;
    configtest|check|testconfig|test)
        configtest
        RETVAL=$?
        ;;
    status)
        status $prog
        RETVAL=$?
        ;;
    *)
        echo $"Usage: $0 {start|stop|restart|condrestart|configtest|status}"
        RETVAL=3
        ;;
esac

exit $RETVAL