1 #!/bin/sh /etc/rc.common
2 # Copyright (C) 2010-2014 OpenWrt.org
6 PROG
=/usr
/sbin
/igmpproxy
7 CONFIGFILE
=/var
/etc
/igmpproxy.conf
10 local quickleave verbose
11 config_get_bool quickleave
"$1" quickleave
0
12 config_get verbose
"$1" verbose
1
14 [ $verbose = "0" ] && logopts
="-d"
15 [ $verbose = "2" ] && logopts
="-v"
16 [ $verbose = "3" ] && logopts
="-v -v"
19 rm -f /var
/etc
/igmpproxy.conf
20 [ $quickleave -gt 0 ] && echo "quickleave" >> /var
/etc
/igmpproxy.conf
22 [ -L /etc
/igmpproxy.conf
] ||
ln -nsf /var
/etc
/igmpproxy.conf
/etc
/igmpproxy.conf
26 local network direction altnets device up
28 config_get network
$1 network
29 config_get direction
$1 direction
30 config_get altnets
$1 altnet
32 local status
="$(ubus -S call "network.interface.
$network" status)"
33 [ -n "$status" ] ||
return
36 json_get_var device l3_device
39 [ -n "$device" -a "$up" = "1" ] ||
{
40 procd_append_param error
"$network is not up"
44 append netdevs
"$device"
46 [ "$direction" = "upstream" ] && has_upstream
=1
48 echo -e "\nphyint $device $direction ratelimit 0 threshold 1" >> /var
/etc
/igmpproxy.conf
50 if [ -n "$altnets" ]; then
52 for altnet
in $altnets; do
53 echo -e "\taltnet $altnet" >> /var
/etc
/igmpproxy.conf
61 config_get network
$1 network
62 procd_add_interface_trigger
"interface.*" $network /etc
/init.d
/igmpproxy reload
65 igmp_add_firewall_routing
() {
66 config_get direction
$1 direction
67 config_get zone
$1 zone
69 if [ "$direction" != "downstream" ] ||
[ -z "$zone" ]; then
73 # First drop SSDP packets then accept all other multicast
76 json_add_string
type rule
77 json_add_string src
"$upstream"
78 json_add_string dest
"$zone"
79 json_add_string family ipv4
80 json_add_string proto udp
81 json_add_string dest_ip
"239.255.255.250"
82 json_add_string target DROP
86 json_add_string
type rule
87 json_add_string src
"$upstream"
88 json_add_string dest
"$zone"
89 json_add_string family ipv4
90 json_add_string proto udp
91 json_add_string dest_ip
"224.0.0.0/4"
92 json_add_string target ACCEPT
96 igmp_add_firewall_network
() {
97 config_get direction
$1 direction
98 config_get zone
$1 zone
100 [ ! -z "$zone" ] ||
return
103 json_add_string
type rule
104 json_add_string src
"$zone"
105 json_add_string family ipv4
106 json_add_string proto igmp
107 json_add_string target ACCEPT
110 [ "$direction" = "upstream" ] && {
112 config_foreach igmp_add_firewall_routing phyint
117 procd_add_reload_trigger
"igmpproxy"
118 config_foreach igmp_add_network phyint
125 config_load igmpproxy
127 config_foreach igmp_header igmpproxy
128 config_foreach igmp_add_phyint phyint
129 [ -n "$has_upstream" ] ||
return
132 procd_set_param
command $PROG '-n'
133 [ -n "$logopts" ] && procd_append_param
command $logopts
134 procd_append_param
command $CONFIGFILE
135 procd_set_param
file $CONFIGFILE
136 procd_set_param netdev
$netdevs
137 procd_set_param respawn
141 json_add_array firewall
142 config_foreach igmp_add_firewall_network phyint
151 procd_set_config_changed firewall
155 procd_set_config_changed firewall