HardenedBSD/etc/pccard_ether

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

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

usage()
{
	err 3 'USAGE: $0 interface (start|stop)'
}

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
}

ifn=$1
shift
startstop=$1
shift

load_rc_config pccard_ether

# Ignore interfaces not in removable_interfaces
expr "${removable_interfaces}" : ".*${ifn}" > /dev/null || exit 0

if [ -n "$1" ]; then
	usage
fi

case ${startstop} in
[Ss][Tt][Aa][Rr][Tt] | '')
	if [ -x /usr/bin/grep ]; then
		if ifconfig $ifn | grep -s netmask > /dev/null 2>&1; then
		    # Interface is already up, so ignore it.
		    exit 0
		fi
	fi

	/etc/rc.d/netif start $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

	# IPv6 setup
	if checkyesno ipv6_enable; then
		network6_interface_setup $ifn
	fi
	;;

# Stop the interface
[Ss][Tt][Oo][Pp])
	if [ -n "`ifconfig_getargs $ifn`" ]; then
		if ! dhcpif $ifn; then
			remove_routes
		fi
	fi

	/etc/rc.d/netif stop $ifn

	# clean ARP table
	arp -d -a

	# Clean the routing table
	if checkyesno removable_route_flush; then
		route -n flush -inet > /dev/null
	fi
	;;
*)
	usage
esac