1 [ "$INTERFACE" != "wan" ] && exit 0
2 [ -f /proc/net/ipv6_route ] && has_ipv6=1
5 # Remove custom routing tables from olsrd
6 if [ "`uci -q get olsrd.@olsrd[0].RtTable`" == "111" ] || [ "`uci -q get olsrd.@olsrd[0].RtTableDefault`" == "112" ]; then
7 uci delete olsrd.@olsrd[0].RtTable
8 uci delete olsrd.@olsrd[0].RtTableDefault
10 /etc/init.d/olsrd restart
16 pr="`uci get freifunk-policyrouting.pr.enable`"
17 fallback="`uci get freifunk-policyrouting.pr.fallback`"
18 # check if ipv6 is enabled:
20 if [ $pr = "1" ]; then
21 logger -s -t policyrouting "Starting policy routing on $INTERFACE"
24 tables="/etc/iproute2/rt_tables"
25 if [ -z "`grep "111" $tables`" ]; then
26 echo "111 olsr" >> $tables
28 if [ -z "`grep "112" $tables`" ]; then
29 echo "112 olsr-default" >> $tables
32 # Make sure Rt_tables in olsrd are in place
33 if [ ! "`uci -q get olsrd.@olsrd[0].RtTable`" == "111" ] || [ ! "`uci -q get olsrd.@olsrd[0].RtTableDefault`" == "112" ]; then
34 uci set olsrd.@olsrd[0].RtTable='111'
35 uci set olsrd.@olsrd[0].RtTableDefault='112'
37 /etc/init.d/olsrd restart
40 # Disable dyn_gw and dyngw_plain
41 dyngwlib=`uci show olsrd |grep dyn_gw.so |awk {' FS="."; print $1"."$2 '}`
42 if [ -n "$dyngwlib" ]; then
43 uci set $dyngwlib.ignore=1
47 dyngwplainlib=`uci show olsrd |grep dyn_gw_plain |awk {' FS="."; print $1"."$2 '}`
48 if [ -n "$dyngwplainlib" ]; then
49 uci set $dyngwplainlib.ignore=1
53 gw="$(ip r |grep default | cut -d " " -f 3)"
54 # if no gateway was found stop now
55 [ -z "$gw" ] && logger -s -t policyrouting "No gateway found" && exit 1
57 device="`uci -q -p /var/state get network.wan.ifname`"
58 [ -z "$device" ] && device="`uci -q -p /var/state get network.wan.device`"
59 [ -z "$device" ] && logger -s -t policyrouting "No device found for wan." && exit 1
61 test -n "`ip r s t default`" && ip r d default t default
62 test -n "`ip r s |grep default`" && ip route del default
63 ip route add default via $gw dev $device table default
65 if [ "$has_ipv6" = 1 ]; then
66 local ip6gw=$(ip -6 r |grep default |cut -d " " -f 3)
67 test -n "`ip -6 r s t default`" && ip -6 r d default t default
68 if [ -n "`ip -6 r s |grep default`" ]; then
69 ip -6 route del default
70 ip -6 r a $ip6gw via $ip6gw dev $dev table default
71 ip -6 route add default via $ip6gw dev $device table default
75 ip rule del lookup main
76 ip rule add fwmark 1 lookup olsr-default
77 ip rule add lookup main
78 ip rule add lookup olsr
79 # Fallback via mesh if no ipv4 gateway is found in default table
80 [ "$fallback" = 1 ] && ip rule add lookup olsr-default prio 32800
82 if [ "$has_ipv6" = 1 ]; then
83 ip -6 rule del lookup main
84 ip -6 rule add lookup olsr prio 16380
85 ip -6 rule add lookup main prio 16390
86 ip -6 rule add fwmark 1 lookup olsr-default prio 16400
87 ip -6 rule add lookup default prio 16410
88 [ "$fallback" = 1 ] && ip -6 rule add lookup olsr-default prio 16420
96 logger -s -t policyrouting "Deleting ipv4 policy rules for $INTERFACE"
98 ip rule del fwmark 1 lookup olsr-default > /dev/null 2>&1
99 ip rule del lookup olsr-default > /dev/null 2>&1
100 ip rule del lookup olsr > /dev/null 2>&1
101 if [ "$has_ipv6" = 1 ]; then
102 logger -s -t policyrouting "Deleting ipv4 policy rules for $INTERFACE"
103 ip -6 rule del fwmark 1 lookup olsr-default > /dev/null 2>&1
104 ip -6 rule del lookup olsr-default > /dev/null 2>&1
105 ip -6 rule del lookup olsr > /dev/null 2>&1
106 ip -6 rule del lookup default > /dev/null 2>&1