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#!/bin/sh
[ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1

. /lib/functions.sh
. /lib/netifd/netifd-proto.sh

set_classless_routes() {
	local max=128
	local type
	while [ -n "$1" -a -n "$2" -a $max -gt 0 ]; do
		proto_add_ipv4_route "${1%%/*}" "${1##*/}" "$2"
		max=$(($max-1))
		shift 2
	done
}

setup_interface () {
	proto_init_update "*" 1
	proto_add_ipv4_address "$ip" "${subnet:-255.255.255.0}"
	# TODO: apply $broadcast

	for i in $router; do
		proto_add_ipv4_route 0.0.0.0 0 "$i"
	done

	# CIDR STATIC ROUTES (rfc3442)
	[ -n "$staticroutes" ] && set_classless_routes $staticroutes
	[ -n "$msstaticroutes" ] && set_classless_routes $msstaticroutes

	for dns in $dns; do
		proto_add_dns_server "$dns"
	done
	for domain in $domain; do
		proto_add_dns_search "$domain"
	done
	proto_send_update "$INTERFACE"

	# TODO
	# [ -n "$ntpsrv" ] && 	change_state network "$ifc" lease_ntpsrv "$ntpsrv"
	# [ -n "$timesvr" ] && 	change_state network "$ifc" lease_timesrv "$timesvr"
	# [ -n "$hostname" ] &&	change_state network "$ifc" lease_hostname "$hostname"
	# [ -n "$timezone" ] && 	change_state network "$ifc" lease_timezone "$timezone"
}

deconfig_interface() {
	proto_init_update "*" 0
	proto_send_update "$INTERFACE"
}

case "$1" in
	deconfig)
		deconfig_interface
	;;
	renew|bound)
		setup_interface
	;;
esac

exit 0