HardenedBSD/etc/pccard_ether

#!/bin/sh -
#
# $FreeBSD$
#
# pccard_ether interfacename [start|stop|restart]
#
# example: pccard_ether fxp0 start
#

. /etc/rc.subr
. /etc/network.subr

name="pccard_ether"
start_precmd="checkauto"
start_cmd="pccard_ether_start"
stop_precmd="checkauto"
stop_cmd="pccard_ether_stop"
restart_precmd="checkauto"
restart_cmd="pccard_ether_restart"

setup_routes()
{
	# Add default route into $static_routes
	case ${defaultrouter} in
	[Nn][Oo] | '')
		;;
	*)
		static_routes="default ${static_routes}"
		route_default="default ${defaultrouter}"
		;;
	esac

	# Add private route for this interface into $static_routes
	eval ifx_routes=\$static_routes_${ifn}
	if [ -n "${ifx_routes}" ]; then
		static_routes="${ifx_routes} ${static_routes}"
	fi

	# Set up any static routes if specified
	if [ -n "${static_routes}" ]; then
		for i in ${static_routes}; do
			eval route_args=\$route_${i}
			route add ${route_args}
		done
	fi
}

remove_routes()
{
	# Delete static route if specified
	eval ifx_routes=\$static_routes_${ifn}
	if [ -n "${ifx_routes}" ]; then
		for i in ${ifx_routes}; do
			eval route_args=\$route_${i}
			route delete ${route_args}
		done
	fi
}

checkauto()
{
	if [ -z "$rc_force" ]; then
		# Ignore interfaces with the NOAUTO keyword
		autoif $ifn || exit 0
	fi
}

pccard_ether_start()
{
	ifexists $ifn || exit 1

	if [ -z "$rc_force" ]; then
		for uif in `ifconfig -ul`; do
			if [ "${uif}" = "${ifn}" ]; then
				# Interface is already up, so ignore it.
				exit 0
			fi
		done
	fi

	/etc/rc.d/netif quietstart $ifn

	# Do route configuration if needed.
	# XXX: should probably do this by calling rc.d/routing.
	if [ -n "`ifconfig_getargs $ifn`" ]; then
		if ! dhcpif $ifn; then
			setup_routes
		fi
	fi

	# XXX: IPv6 setup should be done in some way.
}

pccard_ether_stop()
{
	if [ -n "`ifconfig_getargs $ifn`" ]; then
		if ! dhcpif $ifn; then
			remove_routes
		fi
	fi

	/etc/rc.d/netif quietstop $ifn

	# clean ARP table
	ifexists $ifn && arp -d -i $ifn -a
}

pccard_ether_restart()
{
	# Hand implemented because the default implementation runs
	# the equivalent of "$0 start; $0 stop" and this script
	# doesn't support that syntax
	pccard_ether_stop
	pccard_ether_start
}

ifn=$1
shift
if [ -z "$*" ]; then
	args="start"
else
	args=$*
fi

load_rc_config pccard_ether
run_rc_command $args