contrib/package/freifunk-policyrouting/files/etc/hotplug.d/iface/30-policyrouting

   1 [ "$INTERFACE" != "wan" ] && exit 0
   2
   3 case $ACTION in
   4         ifup)
   5                 pr=`uci get freifunk-policyrouting.pr.enable`
   6                 if [ $pr = "1" ]; then
   7                         logger -t policyrouting "Starting policy routing on $INTERFACE"
   8
   9                         # Setup new tables
  10                         tables="/etc/iproute2/rt_tables"
  11                         if [ -z "`grep "111" $tables`" ]; then
  12                                 echo "111 olsr" >> $tables
  13                         fi
  14                         if [ -z "`grep "112" $tables`" ]; then
  15                                 echo "112 olsr-default" >> $tables
  16                         fi
  17
  18                         # Make sure Rt_tables in olsrd are in place
  19                         if [ ! "`uci -q get olsrd.@olsrd[0].RtTable`" == "111" ] || [ ! "`uci -q get olsrd.@olsrd[0].RtTableDefault`" == "112" ]; then
  20                                 uci set olsrd.@olsrd[0].RtTable='111'
  21                                 uci set olsrd.@olsrd[0].RtTableDefault='112'
  22                                 uci commit
  23                                 /etc/init.d/olsrd restart
  24                         fi
  25
  26                         # Disable dyn_gw and dyngw_plain
  27                         dyngwlib=`uci show olsrd |grep dyn_gw.so |awk {' FS="."; print $1"."$2 '}`
  28                         if [ -n "$dyngwlib" ]; then
  29                                 uci set $dyngwlib.ignore=1
  30                                 uci commit
  31                         fi
  32
  33                         dyngwplainlib=`uci show olsrd |grep dyn_gw_plain |awk {' FS="."; print $1"."$2 '}`
  34                         if [ -n "$dyngwplainlib" ]; then
  35                                 uci set $dyngwplainlib.ignore=1
  36                                 uci commit
  37                         fi
  38
  39                         gw=`uci -p /var/state get network.wan.gateway`
  40                         netmask=`uci -p /var/state get network.wan.netmask`
  41                         if [ -z "$netmask" ]; then
  42                                 NETMASK="255.255.255.255"
  43                         fi
  44
  45                         if  [ -n "`uci -p /var/state get network.wan.ifname`" ]; then
  46                                 device=`uci -p /var/state get network.wan.ifname`
  47                         else
  48                                 device=`uci -p /var/state get network.wan.device`
  49                         fi
  50
  51                         eval `ipcalc.sh $gw $netmask`
  52
  53                         test -n "`ip r s t default`" && ip r d default t default
  54                         test -n "`ip r s |grep default`" && ip route del default
  55                         ip route add $NETWORK/$NETMASK dev $device table default
  56                         ip route add default via $gw dev $device table default
  57
  58                         ip rule del lookup main
  59                         ip rule add fwmark 1 lookup olsr-default
  60                         ip rule add lookup main
  61                         ip rule add lookup olsr
  62                 else
  63                         # Remove custom routing tables from olsrd
  64                         if [ "`uci -q get olsrd.@olsrd[0].RtTable`" == "111" ] || [ "`uci -q get olsrd.@olsrd[0].RtTableDefault`" == "112" ]; then
  65                                 uci delete olsrd.@olsrd[0].RtTable
  66                                 uci delete olsrd.@olsrd[0].RtTableDefault
  67                                 uci commit
  68                                 /etc/init.d/olsrd restart
  69                         fi
  70                 fi
  71         ;;
  72
  73         ifdown)
  74         logger -t policyrouting "Deleting policy rules for $INTERFACE"
  75         ip rule del fwmark 1 lookup olsr-default > /dev/null 2>&1
  76         ip rule del lookup olsr > /dev/null 2>&1
  77         ;;
  78 esac