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[ "$INTERFACE" != "wan" ] && exit 0
case $ACTION in
ifup)
pr=`uci get freifunk-policyrouting.pr.enable`
if [ $pr = "1" ]; then
logger -t policyrouting "Starting policy routing on $INTERFACE"
# Setup new tables
tables="/etc/iproute2/rt_tables"
if [ -z "`grep "111" $tables`" ]; then
echo "111 olsr" >> $tables
fi
if [ -z "`grep "112" $tables`" ]; then
echo "112 olsr-default" >> $tables
fi
# Make sure Rt_tables in olsrd are in place
if [ ! "`uci -q get olsrd.@olsrd[0].RtTable`" == "111" ] || [ ! "`uci -q get olsrd.@olsrd[0].RtTableDefault`" == "112" ]; then
uci set olsrd.@olsrd[0].RtTable='111'
uci set olsrd.@olsrd[0].RtTableDefault='112'
uci commit
/etc/init.d/olsrd restart
fi
# Disable dyn_gw and dyngw_plain
dyngwlib=`uci show olsrd |grep dyn_gw.so |awk {' FS="."; print $1"."$2 '}`
if [ -n "$dyngwlib" ]; then
uci set $dyngwlib.ignore=1
uci commit
fi
dyngwplainlib=`uci show olsrd |grep dyn_gw_plain |awk {' FS="."; print $1"."$2 '}`
if [ -n "$dyngwplainlib" ]; then
uci set $dyngwplainlib.ignore=1
uci commit
fi
gw=`uci -p /var/state get network.wan.gateway`
netmask=`uci -p /var/state get network.wan.netmask`
if [ -z "$netmask" ]; then
NETMASK="255.255.255.255"
fi
if [ -n "`uci -p /var/state get network.wan.ifname`" ]; then
device=`uci -p /var/state get network.wan.ifname`
else
device=`uci -p /var/state get network.wan.device`
fi
eval `ipcalc.sh $gw $netmask`
test -n "`ip r s t default`" && ip r d default t default
test -n "`ip r s |grep default`" && ip route del default
ip route add $NETWORK/$NETMASK dev $device table default
ip route add default via $gw dev $device table default
ip rule del lookup main
ip rule add fwmark 1 lookup olsr-default
ip rule add lookup main
ip rule add lookup olsr
else
# Remove custom routing tables from olsrd
if [ "`uci -q get olsrd.@olsrd[0].RtTable`" == "111" ] || [ "`uci -q get olsrd.@olsrd[0].RtTableDefault`" == "112" ]; then
uci delete olsrd.@olsrd[0].RtTable
uci delete olsrd.@olsrd[0].RtTableDefault
uci commit
/etc/init.d/olsrd restart
fi
fi
;;
ifdown)
logger -t policyrouting "Deleting policy rules for $INTERFACE"
ip rule del fwmark 1 lookup olsr-default > /dev/null 2>&1
ip rule del lookup olsr > /dev/null 2>&1
;;
esac
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