3 files changed, 274 insertions, 0 deletions
diff --git a/netifd/files/lib/netifd/dhcp.script b/netifd/files/lib/netifd/dhcp.script
new file mode 100755
index 0000000..00604f4
--- /dev/null
+++ b/netifd/files/lib/netifd/dhcp.script
@@ -0,0 +1,110 @@
+#!/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
+	while [ -n "$1" -a -n "$2" -a $max -gt 0 ]; do
+		proto_add_ipv4_route "${1%%/*}" "${1##*/}" "$2" "$ip"
+		max=$(($max-1))
+		shift 2
+	done
+}
+
+setup_interface () {
+	proto_init_update "*" 1
+	proto_add_ipv4_address "$ip" "${subnet:-255.255.255.0}"
+	# TODO: apply $broadcast
+
+	local ip_net
+	eval "$(ipcalc.sh "$ip/$mask")";ip_net="$NETWORK"
+
+	local i
+	for i in $router; do
+		local gw_net
+		eval "$(ipcalc.sh "$i/$mask")";gw_net="$NETWORK"
+
+		[ "$ip_net" != "$gw_net" ] && proto_add_ipv4_route "$i" 32 "" "$ip"
+		proto_add_ipv4_route 0.0.0.0 0 "$i" "$ip"
+
+		local r
+		for r in $CUSTOMROUTES; do
+			proto_add_ipv4_route "${r%%/*}" "${r##*/}" "$i" "$ip"
+		done
+	done
+
+	# CIDR STATIC ROUTES (rfc3442)
+	[ -n "$staticroutes" ] && set_classless_routes $staticroutes
+	[ -n "$msstaticroutes" ] && set_classless_routes $msstaticroutes
+
+	for i in $dns; do
+		proto_add_dns_server "$i"
+	done
+	for i in $domain; do
+		proto_add_dns_search "$i"
+	done
+
+	proto_add_data
+	[ -n "$ZONE" ]     && json_add_string zone "$ZONE"
+	[ -n "$ntpsrv" ]   && json_add_string ntpserver "$ntpsrv"
+	[ -n "$timesvr" ]  && json_add_string timeserver "$timesvr"
+	[ -n "$hostname" ] && json_add_string hostname "$hostname"
+	[ -n "$message" ]  && json_add_string message "$message"
+	[ -n "$timezone" ] && json_add_int timezone "$timezone"
+	[ -n "$lease" ]    && json_add_int leasetime "$lease"
+	proto_close_data
+
+	proto_send_update "$INTERFACE"
+
+
+	if [ "$IFACE6RD" != 0 -a -n "$ip6rd" ]; then
+		local v4mask="${ip6rd%% *}"
+		ip6rd="${ip6rd#* }"
+		local ip6rdprefixlen="${ip6rd%% *}"
+		ip6rd="${ip6rd#* }"
+		local ip6rdprefix="${ip6rd%% *}"
+		ip6rd="${ip6rd#* }"
+		local ip6rdbr="${ip6rd%% *}"
+
+		[ -n "$ZONE" ] || ZONE=$(fw3 -q network $INTERFACE 2>/dev/null)
+		[ -z "$IFACE6RD" -o "$IFACE6RD" = 1 ] && IFACE6RD=${INTERFACE}_6
+
+		json_init
+		json_add_string name "$IFACE6RD"
+		json_add_string ifname "@$INTERFACE"
+		json_add_string proto "6rd"
+		json_add_string peeraddr "$ip6rdbr"
+		json_add_int ip4prefixlen "$v4mask"
+		json_add_string ip6prefix "$ip6rdprefix"
+		json_add_int ip6prefixlen "$ip6rdprefixlen"
+		json_add_string tunlink "$INTERFACE"
+		[ -n "$IFACE6RD_DELEGATE" ] && json_add_boolean delegate "$IFACE6RD_DELEGATE"
+		[ -n "$ZONE6RD" ] || ZONE6RD=$ZONE
+		[ -n "$ZONE6RD" ] && json_add_string zone "$ZONE6RD"
+		[ -n "$MTU6RD" ] && json_add_string mtu "$MTU6RD"
+		json_close_object
+
+		ubus call network add_dynamic "$(json_dump)"
+	fi
+}
+
+deconfig_interface() {
+	proto_init_update "*" 0
+	proto_send_update "$INTERFACE"
+}
+
+case "$1" in
+	deconfig)
+		deconfig_interface
+	;;
+	renew|bound)
+		setup_interface
+	;;
+esac
+
+# user rules
+[ -f /etc/udhcpc.user ] && . /etc/udhcpc.user "$@"
+
+exit 0
diff --git a/netifd/files/lib/netifd/proto/dhcp.sh b/netifd/files/lib/netifd/proto/dhcp.sh
new file mode 100755
index 0000000..0d06eba
--- /dev/null
+++ b/netifd/files/lib/netifd/proto/dhcp.sh
@@ -0,0 +1,88 @@
+#!/bin/sh
+
+[ -L /sbin/udhcpc ] || exit 0
+
+. /lib/functions.sh
+. ../netifd-proto.sh
+init_proto "$@"
+
+proto_dhcp_init_config() {
+	renew_handler=1
+
+	proto_config_add_string 'ipaddr:ipaddr'
+	proto_config_add_string 'hostname:hostname'
+	proto_config_add_string clientid
+	proto_config_add_string vendorid
+	proto_config_add_boolean 'broadcast:bool'
+	proto_config_add_boolean 'release:bool'
+	proto_config_add_string 'reqopts:list(string)'
+	proto_config_add_boolean 'defaultreqopts:bool'
+	proto_config_add_string iface6rd
+	proto_config_add_array 'sendopts:list(string)'
+	proto_config_add_boolean delegate
+	proto_config_add_string zone6rd
+	proto_config_add_string zone
+	proto_config_add_string mtu6rd
+	proto_config_add_string customroutes
+	proto_config_add_boolean classlessroute
+}
+
+proto_dhcp_add_sendopts() {
+	[ -n "$1" ] && append "$3" "-x $1"
+}
+
+proto_dhcp_setup() {
+	local config="$1"
+	local iface="$2"
+
+	local ipaddr hostname clientid vendorid broadcast release reqopts defaultreqopts iface6rd sendopts delegate zone6rd zone mtu6rd customroutes classlessroute
+	json_get_vars ipaddr hostname clientid vendorid broadcast release reqopts defaultreqopts iface6rd delegate zone6rd zone mtu6rd customroutes classlessroute
+
+	local opt dhcpopts
+	for opt in $reqopts; do
+		append dhcpopts "-O $opt"
+	done
+
+	json_for_each_item proto_dhcp_add_sendopts sendopts dhcpopts
+
+	[ -z "$hostname" ] && hostname="$(cat /proc/sys/kernel/hostname)"
+	[ "$hostname" = "*" ] && hostname=
+
+	[ "$defaultreqopts" = 0 ] && defaultreqopts="-o" || defaultreqopts=
+	[ "$broadcast" = 1 ] && broadcast="-B" || broadcast=
+	[ "$release" = 1 ] && release="-R" || release=
+	[ -n "$clientid" ] && clientid="-x 0x3d:${clientid//:/}" || clientid="-C"
+	[ -n "$iface6rd" ] && proto_export "IFACE6RD=$iface6rd"
+	[ "$iface6rd" != 0 -a -f /lib/netifd/proto/6rd.sh ] && append dhcpopts "-O 212"
+	[ -n "$zone6rd" ] && proto_export "ZONE6RD=$zone6rd"
+	[ -n "$zone" ] && proto_export "ZONE=$zone"
+	[ -n "$mtu6rd" ] && proto_export "MTU6RD=$mtu6rd"
+	[ -n "$customroutes" ] && proto_export "CUSTOMROUTES=$customroutes"
+	[ "$delegate" = "0" ] && proto_export "IFACE6RD_DELEGATE=0"
+	# Request classless route option (see RFC 3442) by default
+	[ "$classlessroute" = "0" ] || append dhcpopts "-O 121"
+
+	proto_export "INTERFACE=$config"
+	proto_run_command "$config" udhcpc \
+		-p /var/run/udhcpc-$iface.pid \
+		-s /lib/netifd/dhcp.script \
+		-f -t 0 -i "$iface" \
+		${ipaddr:+-r $ipaddr} \
+		${hostname:+-x "hostname:$hostname"} \
+		${vendorid:+-V "$vendorid"} \
+		$clientid $defaultreqopts $broadcast $release $dhcpopts
+}
+
+proto_dhcp_renew() {
+	local interface="$1"
+	# SIGUSR1 forces udhcpc to renew its lease
+	local sigusr1="$(kill -l SIGUSR1)"
+	[ -n "$sigusr1" ] && proto_kill_command "$interface" $sigusr1
+}
+
+proto_dhcp_teardown() {
+	local interface="$1"
+	proto_kill_command "$interface"
+}
+
+add_protocol dhcp
diff --git a/netifd/files/lib/network/config.sh b/netifd/files/lib/network/config.sh
new file mode 100755
index 0000000..0ded45e
--- /dev/null
+++ b/netifd/files/lib/network/config.sh
@@ -0,0 +1,76 @@
+#!/bin/sh
+# Copyright (C) 2011 OpenWrt.org
+
+. /usr/share/libubox/jshn.sh
+
+find_config() {
+	local device="$1"
+	local ifdev ifl3dev ifobj
+	for ifobj in `ubus list network.interface.\*`; do
+		interface="${ifobj##network.interface.}"
+		(
+			json_load "$(ifstatus $interface)"
+			json_get_var ifdev device
+			json_get_var ifl3dev l3_device
+			if [[ "$device" = "$ifdev" ]] || [[ "$device" = "$ifl3dev" ]]; then
+				echo "$interface"
+				exit 0
+			else
+				exit 1
+			fi
+		) && return
+	done
+}
+
+unbridge() {
+	return
+}
+
+ubus_call() {
+	json_init
+	local _data="$(ubus -S call "$1" "$2")"
+	[ -z "$_data" ] && return 1
+	json_load "$_data"
+	return 0
+}
+
+
+fixup_interface() {
+	local config="$1"
+	local ifname type device l3dev
+
+	config_get type "$config" type
+	config_get ifname "$config" ifname
+	[ "bridge" = "$type" ] && ifname="br-$config"
+	ubus_call "network.interface.$config" status || return 0
+	json_get_var l3dev l3_device
+	[ -n "$l3dev" ] && ifname="$l3dev"
+	json_init
+	config_set "$config" ifname "$ifname"
+}
+
+scan_interfaces() {
+	config_load network
+	config_foreach fixup_interface interface
+}
+
+prepare_interface_bridge() {
+	local config="$1"
+
+	[ -n "$config" ] || return 0
+	ubus call network.interface."$config" prepare
+}
+
+setup_interface() {
+	local iface="$1"
+	local config="$2"
+
+	[ -n "$config" ] || return 0
+	ubus call network.interface."$config" add_device "{ \"name\": \"$iface\" }"
+}
+
+do_sysctl() {
+	[ -n "$2" ] && \
+		sysctl -n -e -w "$1=$2" >/dev/null || \
+		sysctl -n -e "$1"
+}