firmware/src/packages/fff/fff-network/files/usr/sbin/configurenetwork
Adrian Schmutzler 68c7d75a1b treewide: exploit label MAC address from OpenWrt
In the latest release, OpenWrt provides the label MAC address for
many devices. All of our devices should be covered.

In can be retrieved by the function

  get_mac_label

from /lib/functions/system.sh

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Reviewed-by: Fabian Bläse <fabian@blaese.de>
2021-06-08 20:08:20 +02:00

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#!/bin/sh
# SPDX-License-Identifier: GPL-3.0-or-later
. /lib/functions/system.sh
. /lib/functions/fff/network
setupPorts() {
# Add a single port to the *_PORTS config
# Usage: setupPorts <port id> <port mode>
local port=$1
local mode=$2
#default: BATMAN
if [ "$mode" = "WAN" ] ; then
WAN_PORTS="${WAN_PORTS} $port"
elif [ "$mode" = "CLIENT" ] ; then
CLIENT_PORTS="${CLIENT_PORTS} $port"
else
BATMAN_PORTS="${BATMAN_PORTS} $port"
fi
}
BOARD="$(uci get board.model.name)"
. /etc/network.$BOARD
[ -n "$ROUTERMAC" ] || ROUTERMAC=$(get_mac_label)
if [ -s /etc/network.config ] ; then
. /etc/network.config
else
# Write network.config
echo "CLIENT_PORTS='$CLIENT_PORTS'" > /etc/network.config
echo "BATMAN_PORTS='$BATMAN_PORTS'" >> /etc/network.config
if [ -n "$WAN_PORTS" ] ; then
echo "WAN_PORTS='$WAN_PORTS'" >> /etc/network.config
fi
if [ "$ONE_PORT" = "YES" ] || [ -n "$ETHPORT" ] ; then
echo "ETHMODE='$ETHMODE' # use BATMAN, CLIENT or WAN" >> /etc/network.config
fi
if [ -n "$LAN0PORT" ] ; then
echo "LAN0MODE='$LAN0MODE' # use BATMAN, CLIENT or WAN" >> /etc/network.config
fi
if [ -n "$LAN1PORT" ] ; then
echo "LAN1MODE='$LAN1MODE' # use BATMAN, CLIENT or WAN" >> /etc/network.config
fi
echo "FORCEPARSE='0' # Parse at: 0=first boot only, 1=every reboot, 2=next reboot (once)" >> /etc/network.config
fi
if [ "$FORCEPARSE" = '2' ] ; then
sed -i '/^FORCEPARSE/d' /etc/network.config
echo "FORCEPARSE='0' # Parse at: 0=first boot only, 1=every reboot, 2=next reboot (once)" >> /etc/network.config
FORCEPARSE='1'
fi
if [ -n "$ETHPORT" ] ; then
#LAN@AR150: default: BATMAN
setupPorts "$ETHPORT" "${ETHMODE}"
fi
if [ -n "$LAN0PORT" ] ; then
#LAN0@two-port: default: BATMAN
setupPorts "$LAN0PORT" "${LAN0MODE}"
fi
if [ -n "$LAN1PORT" ] ; then
#LAN1@two-port: default: BATMAN
setupPorts "$LAN1PORT" "${LAN1MODE}"
fi
if ! uci -q get network.$SWITCHDEV > /dev/null || [ "$FORCEPARSE" = '1' ] ; then
SWITCHHW=$(swconfig list | awk '{ print $4 }')
uci set network.$SWITCHDEV=switch
uci set network.$SWITCHDEV.name=$SWITCHHW
uci set network.$SWITCHDEV.enable=1
uci set network.$SWITCHDEV.reset=1
uci set network.$SWITCHDEV.enable_vlan=1
uci set network.${SWITCHDEV}_1=switch_vlan
uci set network.${SWITCHDEV}_1.device=$SWITCHHW
uci set network.${SWITCHDEV}_1.vlan=1
uci set network.${SWITCHDEV}_1.ports="$CLIENT_PORTS"
if [ "$WANDEV" = "$SWITCHDEV" ] || ! [ -z "$WAN_PORTS" ]; then
uci set network.${SWITCHDEV}_2=switch_vlan
uci set network.${SWITCHDEV}_2.device=$SWITCHHW
uci set network.${SWITCHDEV}_2.vlan=2
uci set network.${SWITCHDEV}_2.ports="$WAN_PORTS"
fi
uci set network.${SWITCHDEV}_3=switch_vlan
uci set network.${SWITCHDEV}_3.device=$SWITCHHW
uci set network.${SWITCHDEV}_3.vlan=3
uci set network.${SWITCHDEV}_3.ports="$BATMAN_PORTS"
uci set network.client.ifname="$SWITCHDEV.1 bat0"
uci set network.ethmesh.ifname="$SWITCHDEV.3"
if [ "$WANDEV" = "$SWITCHDEV" ]; then
uci set network.wan.ifname=$WANDEV.2
else
uci set network.wan.ifname=$WANDEV
fi
uci commit network
fi
if [ "$ONE_PORT" = "YES" ] && ( ! uci -q get network.$SWITCHDEV.ifname || [ "$FORCEPARSE" = '1' ] ) ; then
uci set network.$SWITCHDEV=interface
uci set network.$SWITCHDEV.ifname=$SWITCHDEV
if [ "$ETHMODE" = "WAN" ]; then
uci set network.client.ifname="bat0"
uci set network.wan.ifname="$WANDEV"
uci del network.ethmesh.ifname
uci del network.${SWITCHDEV}.macaddr
elif [ "$ETHMODE" = "CLIENT" ] ; then
uci set network.client.ifname="bat0 $SWITCHDEV"
uci set network.wan.ifname="eth2" #eth2 because it is default in config file
uci del network.ethmesh.ifname
uci del network.${SWITCHDEV}.macaddr
elif [ "$ETHMODE" = "BATMAN" ] ; then
uci set network.client.ifname="bat0"
uci set network.wan.ifname="eth2" #eth2 because it is default in config file
uci set network.ethmesh.ifname="$SWITCHDEV"
ETH0MAC="w2ap"
fi
uci commit network
fi
/etc/init.d/network restart
if [ -n "$ETHMESHMAC" ]; then
if uci get network.ethmesh.macaddr
then
echo "MAC for ethmesh is set already"
else
echo "Fixing MAC on $SWITCHDEV.3 (ethmesh)"
sleep 10
uci set network.ethmesh.macaddr=$ETHMESHMAC
uci commit network
ifconfig $SWITCHDEV.3 down
ifconfig $SWITCHDEV.3 hw ether $ETHMESHMAC
ifconfig $SWITCHDEV.3 up
/etc/init.d/network restart
fi
fi
if [ -n "$ROUTERMAC" ]; then
if uci get network.client.macaddr
then
echo "MAC for client is set already"
else
echo "Fixing MAC on br-client"
sleep 10
uci set network.client.macaddr=$ROUTERMAC
uci commit network
ifconfig br-client down
ifconfig br-client hw ether $ROUTERMAC
ifconfig br-client up
/etc/init.d/network restart
fi
fi
if [ -n "$ETH0MAC" ]; then
echo "Fixing MAC on $SWITCHDEV"
sleep 10
NEW_MACADDR=$(cat "/sys/class/net/${ETH0MAC}/address")
uci set network.${SWITCHDEV}.macaddr=$NEW_MACADDR
uci commit network
ifconfig $SWITCHDEV down
ifconfig $SWITCHDEV hw ether $NEW_MACADDR
ifconfig $SWITCHDEV up
/etc/init.d/network restart
fi
if uci -q get "network.client.ip6addr" > /dev/null
then
echo "IPv6 for client is set already"
else
echo "Setting IPv6 addresses"
# Some time needed :(
sleep 5
for ip in $(ip -6 addr show br-client | awk '/fdff/{ print $2 }'); do
ip -6 addr del $ip dev br-client
done
prefix="fdff::/64"
# Set $prefix::MAC as IP
addr=$(owipcalc "$prefix" add "::$(ipMacSuffix "$ROUTERMAC")")
ip -6 addr add $addr dev br-client
uci -q del network.globals
uci -q set network.globals=globals
uci -q set network.globals.ula_prefix=$prefix
uci -q add_list network.client.ip6addr=$addr
uci -q set network.client.proto=static
# Set $prefix::1 as IP
addr=$(owipcalc "$prefix" add ::1)
ip -6 addr add $addr dev br-client
uci -q add_list network.client.ip6addr=$addr
# Set $prefix::link-local as IP
addr=$(owipcalc "$prefix" add "::$(ipEUISuffix "$ROUTERMAC")")
ip -6 addr add $addr dev br-client
uci -q add_list network.client.ip6addr=$addr
uci -q commit network
[ -s /etc/init.d/fff-uradvd ] && /etc/init.d/fff-uradvd restart
fi