From 032074b799fe8ca52622db2a298e505fbac9a239 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Thu, 20 Oct 2011 15:01:06 +0000
Subject: base-files: move network related scripts to a separate package to
 make the transition to netifd easier

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28495 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 package/base-files/files/lib/network/config.sh | 444 -------------------------
 1 file changed, 444 deletions(-)
 delete mode 100755 package/base-files/files/lib/network/config.sh

(limited to 'package/base-files/files/lib/network')

diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh
deleted file mode 100755
index 29d021af9..000000000
--- a/package/base-files/files/lib/network/config.sh
+++ /dev/null
@@ -1,444 +0,0 @@
-#!/bin/sh
-# Copyright (C) 2006 OpenWrt.org
-
-# DEBUG="echo"
-
-do_sysctl() {
-	[ -n "$2" ] && \
-		sysctl -n -e -w "$1=$2" >/dev/null || \
-		sysctl -n -e "$1"
-}
-
-map_sysctls() {
-	local cfg="$1"
-	local ifn="$2"
-
-	local fam
-	for fam in ipv4 ipv6; do
-		if [ -d /proc/sys/net/$fam ]; then
-			local key
-			for key in /proc/sys/net/$fam/*/$ifn/*; do
-				local val
-				config_get val "$cfg" "${fam}_${key##*/}"
-				[ -n "$val" ] && echo -n "$val" > "$key"
-			done
-		fi
-	done
-}
-
-find_config() {
-	local iftype device iface ifaces ifn
-	for ifn in $interfaces; do
-		config_get iftype "$ifn" type
-		config_get iface "$ifn" ifname
-		case "$iftype" in
-			bridge) config_get ifaces "$ifn" ifnames;;
-		esac
-		config_get device "$ifn" device
-		for ifc in $device $iface $ifaces; do
-			[ ."$ifc" = ."$1" ] && {
-				echo "$ifn"
-				return 0
-			}
-		done
-	done
-
-	return 1;
-}
-
-scan_interfaces() {
-	local cfgfile="${1:-network}"
-	interfaces=
-	config_cb() {
-		case "$1" in
-			interface)
-				config_set "$2" auto 1
-			;;
-		esac
-		local iftype ifname device proto
-		config_get iftype "$CONFIG_SECTION" TYPE
-		case "$iftype" in
-			interface)
-				append interfaces "$CONFIG_SECTION"
-				config_get proto "$CONFIG_SECTION" proto
-				config_get iftype "$CONFIG_SECTION" type
-				config_get ifname "$CONFIG_SECTION" ifname
-				config_get device "$CONFIG_SECTION" device "$ifname"
-				config_set "$CONFIG_SECTION" device "$device"
-				case "$iftype" in
-					bridge)
-						config_set "$CONFIG_SECTION" ifnames "$device"
-						config_set "$CONFIG_SECTION" ifname br-"$CONFIG_SECTION"
-					;;
-				esac
-				( type "scan_$proto" ) >/dev/null 2>/dev/null && eval "scan_$proto '$CONFIG_SECTION'"
-			;;
-		esac
-	}
-	config_load "${cfgfile}"
-}
-
-add_vlan() {
-	local vif="${1%\.*}"
-
-	[ "$1" = "$vif" ] || ifconfig "$1" >/dev/null 2>/dev/null || {
-		ifconfig "$vif" up 2>/dev/null >/dev/null || add_vlan "$vif"
-		$DEBUG vconfig add "$vif" "${1##*\.}"
-		return 0
-	}
-	return 1
-}
-
-# add dns entries if they are not in resolv.conf yet
-add_dns() {
-	local cfg="$1"; shift
-
-	remove_dns "$cfg"
-
-	# We may be called by pppd's ip-up which has a nonstandard umask set.
-	# Create an empty file here and force its permission to 0644, otherwise
-	# dnsmasq will not be able to re-read the resolv.conf.auto .
-	[ ! -f /tmp/resolv.conf.auto ] && {
-		touch /tmp/resolv.conf.auto
-		chmod 0644 /tmp/resolv.conf.auto
-	}
-
-	local dns
-	local add
-	for dns in "$@"; do
-		grep -qsE "^nameserver ${dns//./\\.}$" /tmp/resolv.conf.auto || {
-			add="${add:+$add }$dns"
-			echo "nameserver $dns" >> /tmp/resolv.conf.auto
-		}
-	done
-
-	[ -n "$cfg" ] && {
-		uci_toggle_state network "$cfg" dns "$add"
-		uci_toggle_state network "$cfg" resolv_dns "$add"
-	}
-}
-
-# remove dns entries of the given iface
-remove_dns() {
-	local cfg="$1"
-
-	[ -n "$cfg" ] && {
-		[ -f /tmp/resolv.conf.auto ] && {
-			local dns=$(uci_get_state network "$cfg" resolv_dns)
-			for dns in $dns; do
-				sed -i -e "/^nameserver ${dns//./\\.}$/d" /tmp/resolv.conf.auto
-			done
-		}
-
-		uci_revert_state network "$cfg" dns
-		uci_revert_state network "$cfg" resolv_dns
-	}
-}
-
-# sort the device list, drop duplicates
-sort_list() {
-	local arg="$*"
-	(
-		for item in $arg; do
-			echo "$item"
-		done
-	) | sort -u
-}
-
-# Create the interface, if necessary.
-# Return status 0 indicates that the setup_interface() call should continue
-# Return status 1 means that everything is set up already.
-
-prepare_interface() {
-	local iface="$1"
-	local config="$2"
-	local macaddr="$3"
-
-	# if we're called for the bridge interface itself, don't bother trying
-	# to create any interfaces here. The scripts have already done that, otherwise
-	# the bridge interface wouldn't exist.
-	[ "br-$config" = "$iface" -o -e "$iface" ] && return 0;
-
-	ifconfig "$iface" 2>/dev/null >/dev/null && {
-		local proto
-		config_get proto "$config" proto
-
-		# make sure the interface is removed from any existing bridge and deconfigured,
-		# (deconfigured only if the interface is not set to proto=none)
-		unbridge "$iface"
-
-		local mtu macaddr txqueuelen
-		config_get mtu "$config" mtu
-		[ -n "$macaddr" ] || config_get macaddr "$config" macaddr
-		config_get txqueuelen "$config" txqueuelen
-		[ -n "$macaddr" ] && $DEBUG ifconfig "$iface" down
-		$DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} ${txqueuelen:+txqueuelen $txqueuelen} up
-
-		[ "$proto" = none ] || ifconfig "$iface" 0.0.0.0
-
-		# Apply sysctl settings
-		map_sysctls "$config" "$iface"
-	}
-
-	# Setup VLAN interfaces
-	add_vlan "$iface" && return 1
-	ifconfig "$iface" 2>/dev/null >/dev/null || return 0
-
-	# Setup bridging
-	local iftype
-	config_get iftype "$config" type
-	case "$iftype" in
-		bridge)
-			local macaddr
-			config_get macaddr "$config" macaddr
-			[ -x /usr/sbin/brctl ] && {
-				ifconfig "br-$config" 2>/dev/null >/dev/null && {
-					local newdevs devices
-					config_get devices "$config" device
-					for dev in $(sort_list "$devices" "$iface"); do
-						append newdevs "$dev"
-					done
-					uci_toggle_state network "$config" device "$newdevs"
-					$DEBUG ifconfig "$iface" 0.0.0.0
-					$DEBUG do_sysctl "net.ipv6.conf.$iface.disable_ipv6" 1
-					$DEBUG brctl addif "br-$config" "$iface"
-					# Bridge existed already. No further processing necesary
-				} || {
-					local stp igmp_snooping
-					config_get_bool stp "$config" stp 0
-					config_get_bool igmp_snooping "$config" igmp_snooping 1
-					$DEBUG brctl addbr "br-$config"
-					$DEBUG brctl setfd "br-$config" 0
-					$DEBUG ifconfig "$iface" 0.0.0.0
-					$DEBUG do_sysctl "net.ipv6.conf.$iface.disable_ipv6" 1
-					$DEBUG brctl addif "br-$config" "$iface"
-					$DEBUG brctl stp "br-$config" $stp
-					[ -z "$macaddr" ] && macaddr="$(cat /sys/class/net/$iface/address)"
-					echo $igmp_snooping > /sys/devices/virtual/net/br-$config/bridge/multicast_snooping 2>/dev/null
-					$DEBUG ifconfig "br-$config" hw ether $macaddr up
-					# Creating the bridge here will have triggered a hotplug event, which will
-					# result in another setup_interface() call, so we simply stop processing
-					# the current event at this point.
-				}
-				ifconfig "$iface" ${macaddr:+hw ether "${macaddr}"} up 2>/dev/null >/dev/null
-				return 1
-			}
-		;;
-	esac
-	return 0
-}
-
-set_interface_ifname() {
-	local config="$1"
-	local ifname="$2"
-
-	local device
-	config_get device "$1" device
-	uci_toggle_state network "$config" ifname "$ifname"
-	uci_toggle_state network "$config" device "$device"
-}
-
-setup_interface_none() {
-	env -i ACTION="ifup" INTERFACE="$2" DEVICE="$1" PROTO=none /sbin/hotplug-call "iface" &
-}
-
-setup_interface_static() {
-	local iface="$1"
-	local config="$2"
-
-	local ipaddr netmask ip6addr
-	config_get ipaddr "$config" ipaddr
-	config_get netmask "$config" netmask
-	config_get ip6addr "$config" ip6addr
-	[ -z "$ipaddr" -o -z "$netmask" ] && [ -z "$ip6addr" ] && return 1
-
-	local gateway ip6gw dns bcast metric
-	config_get gateway "$config" gateway
-	config_get ip6gw "$config" ip6gw
-	config_get dns "$config" dns
-	config_get bcast "$config" broadcast
-	config_get metric "$config" metric
-
-	case "$ip6addr" in
-		*/*) ;;
-		*:*) ip6addr="$ip6addr/64" ;;
-	esac
-
-	[ -z "$ipaddr" ] || $DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask" broadcast "${bcast:-+}"
-	[ -z "$ip6addr" ] || $DEBUG ifconfig "${iface%:*}" add "$ip6addr"
-	[ -z "$gateway" ] || $DEBUG route add default gw "$gateway" ${metric:+metric $metric} dev "$iface"
-	[ -z "$ip6gw" ] || $DEBUG route -A inet6 add default gw "$ip6gw" ${metric:+metric $metric} dev "${iface%:*}"
-	[ -z "$dns" ] || add_dns "$config" $dns
-
-	config_get type "$config" TYPE
-	[ "$type" = "alias" ] && return 0
-
-	env -i ACTION="ifup" INTERFACE="$config" DEVICE="$iface" PROTO=static /sbin/hotplug-call "iface" &
-}
-
-setup_interface_alias() {
-	local config="$1"
-	local parent="$2"
-	local iface="$3"
-
-	local cfg
-	config_get cfg "$config" interface
-	[ "$parent" == "$cfg" ] || return 0
-
-	# parent device and ifname
-	local p_device p_type
-	config_get p_device "$cfg" device
-	config_get p_type   "$cfg" type
-
-	# select alias ifname
-	local layer use_iface
-	config_get layer "$config" layer 2
-	case "$layer:$p_type" in
-		# layer 3: e.g. pppoe-wan or pptp-vpn
-		3:*)      use_iface="$iface" ;;
-
-		# layer 2 and parent is bridge: e.g. br-wan
-		2:bridge) use_iface="br-$cfg" ;;
-
-		# layer 1: e.g. eth0 or ath0
-		*)        use_iface="$p_device" ;;
-	esac
-
-	# alias counter
-	local ctr
-	config_get ctr "$parent" alias_count 0
-	ctr="$(($ctr + 1))"
-	config_set "$parent" alias_count "$ctr"
-
-	# alias list
-	local list
-	config_get list "$parent" aliases
-	append list "$config"
-	config_set "$parent" aliases "$list"
-
-	use_iface="$use_iface:$ctr"
-	set_interface_ifname "$config" "$use_iface"
-
-	local proto
-	config_get proto "$config" proto "static"
-	case "${proto}" in
-		static)
-			setup_interface_static "$use_iface" "$config"
-		;;
-		*)
-			echo "Unsupported type '$proto' for alias config '$config'"
-			return 1
-		;;
-	esac
-}
-
-setup_interface() {
-	local iface="$1"
-	local config="$2"
-	local proto="$3"
-	local vifmac="$4"
-
-	[ -n "$config" ] || {
-		config=$(find_config "$iface")
-		[ "$?" = 0 ] || return 1
-	}
-
-	prepare_interface "$iface" "$config" "$vifmac" || return 0
-
-	[ "$iface" = "br-$config" ] && {
-		# need to bring up the bridge and wait a second for
-		# it to switch to the 'forwarding' state, otherwise
-		# it will lose its routes...
-		ifconfig "$iface" up
-		sleep 1
-	}
-
-	# Interface settings
-	set_interface_ifname "$config" "$iface"
-
-	[ -n "$proto" ] || config_get proto "$config" proto
-	case "$proto" in
-		static)
-			setup_interface_static "$iface" "$config"
-		;;
-		dhcp)
-			# kill running udhcpc instance
-			local pidfile="/var/run/dhcp-${iface}.pid"
-			service_kill udhcpc "$pidfile"
-
-			local ipaddr netmask hostname proto1 clientid vendorid broadcast reqopts
-			config_get ipaddr "$config" ipaddr
-			config_get netmask "$config" netmask
-			config_get hostname "$config" hostname
-			config_get proto1 "$config" proto
-			config_get clientid "$config" clientid
-			config_get vendorid "$config" vendorid
-			config_get_bool broadcast "$config" broadcast 0
-			config_get reqopts "$config" reqopts
-
-			[ -z "$ipaddr" ] || \
-				$DEBUG ifconfig "$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
-
-			# additional request options
-			local opt dhcpopts
-			for opt in $reqopts; do
-				append dhcpopts "-O $opt"
-			done
-
-			# don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
-			[ "$proto1" != "$proto" ] && append dhcpopts "-n -q" || append dhcpopts "-O rootpath -R &"
-			[ "$broadcast" = 1 ] && broadcast="-O broadcast" || broadcast=
-
-			$DEBUG eval udhcpc -t 0 -i "$iface" \
-				${ipaddr:+-r $ipaddr} \
-				${hostname:+-H $hostname} \
-				${clientid:+-c $clientid} \
-				${vendorid:+-V $vendorid} \
-				-b -p "$pidfile" $broadcast \
-				${dhcpopts}
-		;;
-		none)
-			setup_interface_none "$iface" "$config"
-		;;
-		*)
-			if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then
-				eval "setup_interface_$proto '$iface' '$config' '$proto'"
-			else
-				echo "Interface type $proto not supported."
-				return 1
-			fi
-		;;
-	esac
-}
-
-stop_interface_dhcp() {
-	local config="$1"
-
-	local ifname
-	config_get ifname "$config" ifname
-
-	local lock="/var/lock/dhcp-${ifname}"
-	[ -f "$lock" ] && lock -u "$lock"
-
-	remove_dns "$config"
-
-	local pidfile="/var/run/dhcp-${ifname}.pid"
-	service_kill udhcpc "$pidfile"
-
-	uci -P /var/state revert "network.$config"
-}
-
-unbridge() {
-	local dev="$1"
-	local brdev
-
-	[ -x /usr/sbin/brctl ] || return 0
-	brctl show 2>/dev/null | grep "$dev" >/dev/null && {
-		# interface is still part of a bridge, correct that
-
-		for brdev in $(brctl show | awk '$2 ~ /^[0-9].*\./ { print $1 }'); do
-			brctl delif "$brdev" "$dev" 2>/dev/null >/dev/null
-			do_sysctl "net.ipv6.conf.$dev.disable_ipv6" 0
-		done
-	}
-}
-- 
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