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#!/bin/sh /etc/rc.common
# Copyright (C) 2010-2014 OpenWrt.org
START=99
USE_PROCD=1
PROG=/usr/sbin/igmpproxy
CONFIGFILE=/var/etc/igmpproxy.conf
# igmpproxy supports both a debug mode and verbosity, which are very useful
# when something isn't working.
#
# Debug mode will print everything to stdout instead of syslog. Generally
# verbosity should NOT be set as it will quickly fill your syslog.
#
# Put any debug or verbosity options into IGMP_OPTS
#
# Examples:
# OPTIONS="-d -v -v" - debug mode and very verbose, this will land in
# stdout and not in syslog
# OPTIONS="-v" - be verbose, this will write aditional information to syslog
OPTIONS=""
igmp_header() {
local quickleave
config_get_bool quickleave "$1" quickleave 0
mkdir -p /var/etc
rm -f /var/etc/igmpproxy.conf
[ $quickleave -gt 0 ] && echo "quickleave" >> /var/etc/igmpproxy.conf
[ -L /etc/igmpproxy.conf ] || ln -nsf /var/etc/igmpproxy.conf /etc/igmpproxy.conf
}
igmp_add_phyint() {
local network direction altnets device up
config_get network $1 network
config_get direction $1 direction
config_get altnets $1 altnet
local status="$(ubus -S call "network.interface.$network" status)"
[ -n "$status" ] || return
json_load "$status"
json_get_var device l3_device
json_get_var up up
[ -n "$device" -a "$up" = "1" ] || {
procd_append_param error "$network is not up"
return;
}
[[ "$direction" = "upstream" ]] && has_upstream=1
echo -e "\nphyint $device $direction ratelimit 0 threshold 1" >> /var/etc/igmpproxy.conf
if [ -n "$altnets" ]; then
local altnet
for altnet in $altnets; do
echo -e "\taltnet $altnet" >> /var/etc/igmpproxy.conf
done
fi
}
igmp_add_network() {
local network
config_get network $1 network
procd_add_interface_trigger "interface.*" $network /etc/init.d/igmpproxy restart
}
igmp_add_firewall_routing() {
config_get network $1 network
config_get direction $1 direction
[[ "$direction" = "downstream" ]] || return 0
json_add_object ""
json_add_string type rule
json_add_string src "$upstream"
json_add_string dest "$network"
json_add_string family ipv4
json_add_string proto udp
json_add_string dest_ip "224.0.0.0/4"
json_add_string target ACCEPT
json_close_object
}
igmp_add_firewall_network() {
config_get network $1 network
config_get direction $1 direction
json_add_object ""
json_add_string type rule
json_add_string src "$network"
json_add_string proto igmp
json_add_string target ACCEPT
json_close_object
[[ "$direction" = "upstream" ]] && {
upstream="$network"
config_foreach igmp_add_firewall_routing phyint
}
}
service_triggers() {
procd_add_reload_trigger "igmpproxy"
}
start_service() {
has_upstream=
config_load igmpproxy
config_foreach igmp_header igmpproxy
config_foreach igmp_add_phyint phyint
[ -n "$has_upstream" ] || return
procd_open_instance
procd_set_param command $PROG
[ -n "$OPTIONS" ] && procd_append_param $OPTIONS
procd_append_param command $CONFIGFILE
procd_set_param file $CONFIGFILE
procd_set_param respawn
procd_open_trigger
config_foreach igmp_add_network phyint
procd_close_trigger
procd_open_data
json_add_array firewall
config_foreach igmp_add_firewall_network phyint
json_close_array
procd_close_data
procd_close_instance
}
service_started() {
procd_set_config_changed firewall
}
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