xref: /freebsd-11-stable/etc/rc.d/routing

#!/bin/sh
#
# Configure routing and miscellaneous network tunables
#
# $FreeBSD: head/etc/rc.d/routing 179079 2008-05-18 02:57:54Z brooks $
#

# PROVIDE: routing
# REQUIRE: devd netif ppp
# KEYWORD: nojail

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

name="routing"
start_cmd="routing_start"
stop_cmd="routing_stop"
extra_commands="options static"
static_cmd="static_start"
options_cmd="options_start"

routing_start()
{
	static_start
	options_start

	# Return without waiting if we don't have dhcp interfaces.
	# Once we can test that the link is actually up, we should
	# remove this test and always wait.
	dhcp_interfaces=`list_net_interfaces dhcp`
	[ -z "`list_net_interfaces dhcp`" ] && return

	# Wait for a default route
	delay=${if_up_delay}
	while [ ${delay} -gt 0 ]; do
		defif=`get_default_if -inet`
		if [ -n "${defif}" ]; then
			if [ ${delay} -ne ${if_up_delay} ]; then
				echo "($defif)"
			fi
			break
		fi
		if [ ${delay} -eq ${if_up_delay} ]; then
			echo -n "Waiting ${delay}s for an interface to come up: "
		else
			echo -n .
		fi
		sleep 1
		delay=`expr $delay - 1`
	done
}

routing_stop()
{
	route -n flush
}

static_start()
{
	case ${defaultrouter} in
	[Nn][Oo] | '')
		;;
	*)
		static_routes="default ${static_routes}"
		route_default="default ${defaultrouter}"
		;;
	esac

	# Setup static routes. This should be done before router discovery.
	#
	if [ -n "${static_routes}" ]; then
		for i in ${static_routes}; do
			eval route_args=\$route_${i}
			route add ${route_args}
		done
	fi
	# Now ATM static routes
	#
	if [ -n "${natm_static_routes}" ]; then
		for i in ${natm_static_routes}; do
			eval route_args=\$route_${i}
			atmconfig natm add ${route_args}
		done
	fi
}

options_start()
{
	echo -n 'Additional routing options:'
	case ${icmp_bmcastecho} in
	[Yy][Ee][Ss])
		echo -n ' broadcast ping responses=YES'
		sysctl net.inet.icmp.bmcastecho=1 >/dev/null
		;;
	esac

	case ${icmp_drop_redirect} in
	[Yy][Ee][Ss])
		echo -n ' ignore ICMP redirect=YES'
		sysctl net.inet.icmp.drop_redirect=1 >/dev/null
		;;
	esac

	case ${icmp_log_redirect} in
	[Yy][Ee][Ss])
		echo -n ' log ICMP redirect=YES'
		sysctl net.inet.icmp.log_redirect=1 >/dev/null
		;;
	esac

	case ${gateway_enable} in
	[Yy][Ee][Ss])
		echo -n ' IP gateway=YES'
		sysctl net.inet.ip.forwarding=1 >/dev/null
		;;
	esac

	case ${forward_sourceroute} in
	[Yy][Ee][Ss])
		echo -n ' do source routing=YES'
		sysctl net.inet.ip.sourceroute=1 >/dev/null
		;;
	esac

	case ${accept_sourceroute} in
	[Yy][Ee][Ss])
		echo -n ' accept source routing=YES'
		sysctl net.inet.ip.accept_sourceroute=1 >/dev/null
		;;
	esac

	case ${ipxgateway_enable} in
	[Yy][Ee][Ss])
		echo -n ' IPX gateway=YES'
		sysctl net.ipx.ipx.ipxforwarding=1 >/dev/null
		;;
	esac

	case ${arpproxy_all} in
	[Yy][Ee][Ss])
		echo -n ' ARP proxyall=YES'
		sysctl net.link.ether.inet.proxyall=1 >/dev/null
		;;
	esac

	echo '.'
}

load_rc_config $name
run_rc_command "$1"