add an initial (experimental) version of netifd, disabled by default

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28499 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files-network/Makefile

@@ -18,6 +18,7 @@ include $(INCLUDE_DIR)/package.mk
 define Package/base-files-network
   SECTION:=base
   CATEGORY:=Base system
+  DEPENDS:=@!USE_NETIFD
   TITLE:=Network scripts for the OpenWrt base system
   URL:=http://openwrt.org/
   VERSION:=$(PKG_RELEASE)

package/base-files/Makefile

@@ -34,7 +34,7 @@ endif
 define Package/base-files
   SECTION:=base
   CATEGORY:=Base system
-  DEPENDS:=+base-files-network
+  DEPENDS:=+!USE_NETIFD:base-files-network +USE_NETIFD:netifd
   TITLE:=Base filesystem for OpenWrt
   URL:=http://openwrt.org/
   VERSION:=$(PKG_RELEASE)-$(REVISION)
@@ -66,6 +66,11 @@ define Package/base-files/description
  This package contains a base filesystem and system scripts for OpenWrt.
 endef
 
+define Package/base-files/config
+  config USE_NETIFD
+    bool "Use netifd instead of the old network init scripts (experimental!)"
+	default n
+endef
 
 define Package/gcc/Default
   SECTION:=libs

package/netifd/Makefile

@@ -0,0 +1,40 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=netifd
+PKG_VERSION:=2011-10-21
+PKG_RELEASE=$(PKG_SOURCE_VERSION)
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=git://nbd.name/luci2/netifd.git
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+PKG_SOURCE_VERSION:=986c4a1434cc61d2de560690ecc0d532a157d40a
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
+PKG_MIRROR_MD5SUM:=627677df83aa7844f72caa8ad4f7eea9
+# CMAKE_INSTALL:=1
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+define Package/netifd
+  SECTION:=base
+  CATEGORY:=Base system
+  DEPENDS:=+libubus +ubus +ubusd @USE_NETIFD
+  TITLE:=OpenWrt Network Interface Configuration Daemon
+endef
+
+TARGET_CFLAGS += \
+	-I$(STAGING_DIR)/usr/include \
+	-I$(STAGING_DIR)/usr/include/libnl-tiny
+
+CMAKE_OPTIONS += \
+	-DLIBNL_LIBS=-lnl-tiny \
+	-DDEBUG=1
+
+define Package/netifd/install
+	$(INSTALL_DIR) $(1)/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/netifd $(1)/sbin/
+	$(CP) ./files/* $(1)/
+	$(CP) $(PKG_BUILD_DIR)/dummy/netifd-proto.sh $(1)/lib/netifd/
+endef
+
+$(eval $(call BuildPackage,netifd))

package/netifd/files/etc/hotplug.d/iface/00-netstate

@@ -0,0 +1,5 @@
+[ ifup = "$ACTION" ] && {
+	uci_toggle_state network "$INTERFACE" up 1
+	uci_toggle_state network "$INTERFACE" connect_time $(sed -ne 's![^0-9].*$!!p' /proc/uptime)
+	[ -n "$DEVICE" ] && uci_toggle_state network "$INTERFACE" ifname "$DEVICE"
+}

package/netifd/files/etc/init.d/netifd

@@ -0,0 +1,18 @@
+#!/bin/sh /etc/rc.common
+START=20
+PIDFILE=/var/run/netifd.pid
+
+start() {
+	stop
+	start-stop-daemon -S -b -m -p $PIDFILE -x /sbin/netifd
+}
+
+reload() {
+	ubus call network reload
+}
+
+stop() {
+	[ -e "$PIDFILE" ] || return
+	start-stop-daemon -K -p $PIDFILE -x /sbin/netifd
+	rm -f "$PIDFILE"
+}

package/netifd/files/etc/init.d/network

@@ -0,0 +1,20 @@
+#!/bin/sh /etc/rc.common
+START=40
+STOP=90
+
+start() {
+	setup_switch() { return 0; }
+
+	include /lib/network
+	setup_switch
+
+	ubus call network reload
+}
+
+restart() {
+	start
+}
+
+stop() {
+	/sbin/ifdown -a
+}

package/netifd/files/lib/netifd/dhcp.script

@@ -0,0 +1,59 @@
+#!/bin/sh
+[ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
+
+. /etc/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

package/netifd/files/lib/netifd/ppp-down

@@ -0,0 +1,6 @@
+#!/bin/sh
+PPP_IPPARAM="$6"
+
+. /lib/netifd/netifd-proto.sh
+proto_init_update "$IFNAME" 0
+proto_send_update "$PPP_IPPARAM"

package/netifd/files/lib/netifd/ppp-up

@@ -0,0 +1,16 @@
+#!/bin/sh
+PPP_IPPARAM="$6"
+
+. /lib/netifd/netifd-proto.sh
+proto_init_update "$IFNAME" 1 1
+[ -n "$PPP_IPPARAM" ] && {
+	[
+	[ -n "$IPLOCAL" ] && proto_add_ipv4_address "$IPREMOTE" 32
+	[ -n "$IPREMOTE" ] && proto_add_ipv4_route 0.0.0.0 0 "$IPREMOTE"
+	[ -n "$LLLOCAL" ] && proto_add_ipv6_address "$LLLOCAL" 128
+	[ -n "$LLREMOTE" ] && proto_add_ipv6_route "::0" 0 "$LLREMOTE"
+	[ -n "$DNS1" ] && proto_add_dns_server "$DNS1"
+	[ -n "$DNS2" -a "$DNS1" != "$DNS2" ] && proto_add_dns_server "$DNS2"
+}
+proto_send_update "$PPP_IPPARAM"
+

package/netifd/files/lib/netifd/proto/dhcp.sh

@@ -0,0 +1,56 @@
+#!/bin/sh
+
+. /etc/functions.sh
+. ../netifd-proto.sh
+init_proto "$@"
+
+dhcp_init_config() {
+	proto_config_add_string "ipaddr"
+	proto_config_add_string "netmask"
+	proto_config_add_string "hostname"
+	proto_config_add_string "clientid"
+	proto_config_add_string "vendorid"
+	proto_config_add_boolean "broadcast"
+	proto_config_add_string "reqopts"
+}
+
+dhcp_setup() {
+	local config="$1"
+	local iface="$2"
+
+	json_get_var ipaddr ipaddr
+	json_get_var hostname hostname
+	json_get_var clientid clientid
+	json_get_var vendorid vendorid
+	json_get_var broadcast broadcast
+	json_get_var reqopts reqopts
+
+	local opt dhcpopts
+	for opt in $reqopts; do
+		append dhcpopts "-O opt"
+	done
+
+	[ "$broadcast" = 1 ] && broadcast="-O broadcast" || broadcast=
+
+	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:+-H $hostname} \
+		${clientid:+-c $clientid} \
+		${vendorid:+-V $vendorid} \
+		$broadcast $dhcpopts
+}
+
+dhcp_teardown() {
+	proto_kill_command
+}
+
+dhcp_init() {
+	return
+}
+
+add_protocol dhcp
+

package/netifd/files/lib/netifd/proto/ppp.sh

@@ -0,0 +1,194 @@
+#!/bin/sh
+
+[ -x /usr/sbin/pppd ] || exit 0
+
+[ -n "$INCLUDE_ONLY" ] || {
+	. /etc/functions.sh
+	. ../netifd-proto.sh
+	init_proto "$@"
+}
+
+ppp_generic_init_config() {
+	proto_config_add_string "username"
+	proto_config_add_string "password"
+	proto_config_add_string "keepalive"
+	proto_config_add_int "demand"
+	proto_config_add_string "pppd_options"
+	proto_config_add_string "connect"
+	proto_config_add_string "disconnect"
+	proto_config_add_boolean "defaultroute"
+	proto_config_add_boolean "peerdns"
+	proto_config_add_boolean "ipv6"
+	proto_config_add_int "mtu"
+}
+
+ppp_generic_setup() {
+	local config="$1"; shift
+
+	json_get_var ipv6 ipv6
+	[ "$ipv6" = 1 ] || ipv6=""
+
+	json_get_var peerdns peerdns
+	[ "$peerdns" = 0 ] && peerdns="" || peerdns="1"
+
+	json_get_var defaultroute defaultroute
+	if [ "$defaultroute" = 1 ]; then
+		defaultroute="defaultroute replacedefaultroute";
+	else
+		defaultroute="nodefaultroute"
+	fi
+
+	json_get_var demand demand
+	if [ "${demand:-0}" -gt 0 ]; then
+		demand="precompiled-active-filter /etc/ppp/filter demand idle $demand"
+	else
+		demand="persist"
+	fi
+
+	[ -n "$mtu" ] || json_get_var mtu mtu
+
+	json_get_var keepalive keepalive
+	local interval="${keepalive##*[, ]}"
+	[ "$interval" != "$keepalive" ] || interval=5
+
+	json_get_var username username
+	json_get_var password password
+
+	json_get_var connect connect
+	json_get_var disconnect disconnect
+	json_get_var pppd_options pppd_options
+
+	proto_run_command "$config" /usr/sbin/pppd \
+		nodetach ipparam "$config" \
+		ifname "${proto:-ppp}-$config" \
+		${keepalive:+lcp-echo-interval $interval lcp-echo-failure ${keepalive%%[, ]*}} \
+		${ipv6:++ipv6} $defaultroute \
+		${peerdns:+usepeerdns} \
+		$demand maxfail 1 \
+		${username:+user "$username" password "$password"} \
+		${connect:+connect "$connect"} \
+		${disconnect:+disconnect "$disconnect"} \
+		ip-up-script /lib/netifd/ppp-up \
+		ipv6-up-script /lib/netifd/ppp-up \
+		ip-down-script /lib/netifd/ppp-down \
+		ipv6-down-script /lib/netifd/ppp-down \
+		${mtu:+mtu $mtu mru $mtu} \
+		$pppd_options "$@"
+}
+
+ppp_generic_teardown() {
+	local interface="$1"
+
+	case "$ERROR" in
+		11|19)
+			proto_notify_error "$interface" AUTH_FAILED
+			proto_block_restart "$interface"
+		;;
+	esac
+	proto_kill_command "$interface"
+}
+
+# PPP on serial device
+
+ppp_init_config() {
+	proto_config_add_string "device"
+	ppp_generic_init_config
+	no_device=1
+}
+
+ppp_setup() {
+	local config="$1"
+
+	json_get_var device device
+	ppp_generic_setup "$config" "$device"
+}
+
+ppp_teardown() {
+	ppp_generic_teardown "$@"
+}
+
+ppp_init() {
+	return
+}
+
+pppoe_init_config() {
+	ppp_generic_init_config
+	proto_config_add_string "ac"
+	proto_config_add_string "service"
+}
+
+pppoe_setup() {
+	local config="$1"
+	local iface="$2"
+
+	for module in slhc ppp_generic pppox pppoe; do
+		/sbin/insmod $module 2>&- >&-
+	done
+
+	json_get_var mtu mtu
+	mtu="${mtu:-1492}"
+
+	json_get_var ac ac
+	json_get_var service service
+
+	ppp_generic_setup "$config" \
+		plugin rp-pppoe.so \
+		${ac:+rp_pppoe_ac "$ac"} \
+		${service:+rp_pppoe_service "$service"} \
+		"nic-$iface"
+}
+
+pppoe_teardown() {
+	ppp_generic_teardown "$@"
+}
+
+pppoe_init() {
+	return
+}
+
+pppoa_init_config() {
+	ppp_generic_init_config
+	proto_config_add_int "atmdev"
+	proto_config_add_int "vci"
+	proto_config_add_int "vpi"
+	proto_config_add_string "encaps"
+}
+
+pppoa_setup() {
+	local config="$1"
+	local iface="$2"
+
+	for module in slhc ppp_generic pppox pppoatm; do
+		/sbin/insmod $module 2>&- >&-
+	done
+
+	json_get_var atmdev atmdev
+	json_get_var vci vci
+	json_get_var vpi vpi
+
+	json_get_var encaps encaps
+	case "$encaps" in
+		1|vc) encaps="vc-encaps" ;;
+		*) encaps="llc-encaps" ;;
+	esac
+
+	ppp_generic_setup "$config" \
+		plugin pppoatm.so \
+		${atmdev:+$atmdev.}${vpi:-8}.${vci:-35} \
+		${encaps}
+}
+
+pppoa_teardown() {
+	ppp_generic_teardown "$@"
+}
+
+pppoa_init() {
+	return
+}
+
+[ -n "$INCLUDE_ONLY" ] || {
+	add_protocol ppp
+	[ -f /usr/lib/pppd/*/rp-pppoe.so ] && add_protocol pppoe
+	[ -f /usr/lib/pppd/*/pppoatm.so ] && add_protocol pppoa
+}
+

package/netifd/files/lib/network/config.sh

@@ -0,0 +1,50 @@
+#!/bin/sh
+# Copyright (C) 2011 OpenWrt.org
+
+. /usr/share/libubox/jshn.sh
+
+find_config() {
+	return
+}
+
+unbridge() {
+	return
+}
+
+ubus_call() {
+	json_init
+	local _data="$(ubus call "$1" "$2")"
+	[ $? -ne 0 ] && return "$?"
+	json_load "$_data"
+	return 0
+}
+
+
+fixup_interface() {
+	local config="$1"
+	local ifname
+
+	config_get type "$config" type
+	config_get ifname "$config" ifname
+	[ "bridge" = "$type" ] && ifname="br-$config"
+	config_set "$config" device "$ifname"
+	ubus_call "network.interface.$config" status
+	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
+}
+
+setup_interface() {
+	local iface="$1"
+	local config="$2"
+
+	[ -n "$config" ] || return 0
+	ubus call network.interface."$config" add_device "{ \"name\": \"$iface\" }"
+}
+

package/netifd/files/sbin/ifdown

@@ -0,0 +1 @@
+ifup

package/netifd/files/sbin/ifup

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+case "$0" in
+	*ifdown) modes=down;;
+	*ifup) modes="down up";;
+	*) echo "Invalid command: $0";;
+esac
+
+if_call() {
+	local interface="$1"
+	for mode in $modes; do
+		ubus call $interface $mode
+	done
+}
+
+[[ "$1" == "-a" ]] && {
+	for interface in `ubus -S list 'network.interface.*'`; do
+		if_call "$interface"
+	done
+	exit
+}
+
+ubus -S list "network.interface.$1" > /dev/null || {
+	echo "Interface $1 not found"
+	exit
+}
+if_call "network.interface.$1"