IRIX/ipfboot

#!/bin/sh
#
# Major device number definition from /dev/MAKEDEV:
C_IPFLTR=59	# IP packet filtering device
#
PATH=/sbin:/usr/etc:/usr/sbin:${PATH}
if [ -r /var/sysgen/boot/ipflkm.o ]; then
	ipflkm=true
	id=`/sbin/ml list -l | grep ipflkm | awk ' { print $2 } ' -`
else
	ipflkm=false
	id=""
fi
pid=`ps -e | grep ipmon | awk ' { print $1 } ' -`

IPFILCONF=/etc/ipf.conf
IPNATCONF=/etc/ipnat.conf

case "$1" in
	start)
		if [ x$pid != x ] ; then
			kill -TERM $pid
		fi
		if [ x$id != x ] ; then
			/sbin/ml unld $id
		fi
		id=""
		if ${ipflkm}; then
			idout="`/sbin/ml ld -v -c /var/sysgen/boot/ipflkm.o -p ipl`"
			if [ $? -eq 0 ]; then
				id="`echo $idout | sed -n '/^Module id is [0-9][0-9]*\.$/s/Module id is \([0-9][0-9]*\)\.$/\1/p'`"
			fi
		else
			id=${C_IPFLTR}
		fi
		if [ "$id" -gt 0 ]; then
			(cd /dev && rm -f ipf ipl ipnat ipstate ipauth)
			mknod /dev/ipf c $id 0
			mknod /dev/ipl c $id 0
			mknod /dev/ipnat c $id 1
			mknod /dev/ipstate c $id 2
			mknod /dev/ipauth c $id 3
			(cd /dev && chmod 600 ipf ipl ipnat ipstate ipauth)
			${ipflkm} || ipf -E
			[ -r ${IPFILCONF} ] && ipf -Fa -f ${IPFILCONF}
			[ -r ${IPNATCONF} ] && ipnat -CF -f ${IPNATCONF}
		fi
		ipmon -sn </dev/null >/dev/null 2>&1 &
		;;

	stop)
		if [ x$pid != x ] ; then
			kill -TERM $pid
		fi
		if ${ipflkm}; then
			if [ x$id != x ] ; then
			    /sbin/ml unld $id && \
				(cd /dev && rm -f ipf ipl ipnat ipstate ipauth)
			fi
		else
			ipf -D
		fi
		;;

	reload)
		if [ -r ${IPFILCONF} ]; then
			ipf -I -Fa -f ${IPFILCONF}
			if [ $? != 0 ]; then
				echo "$0: reload of ${IPFILCONF} into alternate set failed"
			else
				ipf -s
			fi
		fi
		if [ -r ${IPNATCONF} ]; then
			ipnat -CF -f ${IPNATCONF}
			if [ $? != 0 ]; then
				echo "$0: reload of ${IPNATCONF} failed"
			fi
		fi
		;;

	*)
		echo "Usage: $0 (start|stop|reload)" >&2
		exit 1
		;;

esac
exit 0