#!/bin/sh
#
# $Id$
#

# PROVIDE: arpwatch
# REQUIRE: NETWORKING
# KEYWORD: FreeBSD

# Add the following lines to /etc/rc.conf to enable arpwatch:
#
#arpwatch_enable="YES"
#
arpwatch_enable=${arpwatch_enable:-"NO"}
arpwatch_dir="/usr/local/arpwatch/"
arpwatch_interfaces=

. /etc/rc.subr

name=arpwatch
rcvar=`set_rcvar`
required_dirs=${arpwatch_dir}

load_rc_config ${name}

command="/usr/local/sbin/${name}"
start_precmd=${name}_precmd

arpwatch_precmd() {
    case ${arpwatch_interfaces} in
        '')  
	    echo prcmd
	    if [ ! -e "${arpwatch_dir}/arp.dat" ]; then
		if [ -e "${arpwatch_dir}/arp.dat-" ]; then
		    cp "${arpwatch_dir}/arp.dat-" "${arpwatch_dir}/arp.dat"
		else
		    touch "${arpwatch_dir}/arp.dat"
		fi
	    fi
	;;

	*)
	    for interface in ${arpwatch_interfaces}; do
	        if [ ! -e "${arpwatch_dir}/arp.${interface}.dat" ]; then
		    if [ -e "${arpwatch_dir}/arp.${interface}.dat-" ]; then
		        cp "${arpwatch_dir}/arp.${interface}.dat-" "${arpwatch_dir}/arp.${interface}.dat"
		    else
		        touch "${arpwatch_dir}/arp.${interface}.dat"
		    fi
		fi
	    done
	;;
    esac
}

arpwatch_stop() {
    killall arpwatch
}

case ${arpwatch_interfaces} in
    '')  
	 echo 'meuh'
         run_rc_command "$1"
    ;;

    *)
	 if [ "$1" = "start" ]; then
 	     for interface in ${arpwatch_interfaces}; do
		 eval options=\$arpwatch_${interface}_options
	         command_args="-i ${interface} ${options} -f arp.${interface}.dat" 
                 run_rc_command "$1"
	     done
	 else
             run_rc_command "$1"
	 fi
    ;;
esac