omcproxy: add new igmpv3 & mldv2 multicast proxy

[openwrt/staging/mkresin.git] / package / network / services / omcproxy / files / omcproxy.init

diff --git a/package/network/services/omcproxy/files/omcproxy.init b/package/network/services/omcproxy/files/omcproxy.init
new file mode 100644 (file)
index 0000000..a129792
--- /dev/null
+++ b/package/network/services/omcproxy/files/omcproxy.init
@@ -0,0 +1,143 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2010-2014 OpenWrt.org
+
+START=99
+USE_PROCD=1
+PROG=/usr/sbin/omcproxy
+
+# Uncomment to enable verbosity 
+#OPTIONS="-v" 
+PROXIES=""
+
+
+omcproxy_add_proxy() {
+       local uplink downlink scope proxy
+       config_get uplink $1 uplink
+       config_get downlink $1 downlink
+       config_get scope $1 scope
+
+       proxy=""
+
+       network_get_device updev $uplink
+       [ -n "$updev" ] || return 0
+
+       for network in $downlink; do
+               network_get_device downdev $network
+               [ -n "$downdev" ] && proxy="$proxy,$downdev"
+
+               # Disable in-kernel querier while ours is active
+               [ -f /sys/class/net/$downdev/bridge/multicast_querier ] && \
+                       echo 0 > /sys/class/net/$downdev/bridge/multicast_querier
+       done
+
+       [ -n "$proxy" ] || return 0
+       [ -n "$scope" ] && proxy="$proxy,scope=$scope"
+
+       PROXIES="$PROXIES $updev$proxy"
+
+}
+
+omcproxy_add_trigger() {
+       local uplink downlink
+       config_get uplink $1 uplink
+       config_get downlink $1 downlink
+
+       for network in $uplink $downlink; do
+               procd_add_interface_trigger "interface.*" $network /etc/init.d/omcproxy restart
+       done
+}
+
+omcproxy_add_firewall() {
+       config_get uplink $1 uplink
+       config_get downlink $1 downlink
+
+       upzone=$(fw3 network $uplink)
+       [ -n "$upzone" ] || return 0
+
+       json_add_object ""
+       json_add_string type rule
+       json_add_string src "$upzone"
+       json_add_string proto igmp
+       json_add_string target ACCEPT
+       json_close_object
+
+       json_add_object ""
+       json_add_string type rule
+       json_add_string family ipv6
+       json_add_string src "$upzone"
+       json_add_string proto icmp
+       json_add_string src_ip fe80::/10
+       json_add_array icmp_type
+               json_add_string "" 130/0
+               json_add_string "" 131/0
+               json_add_string "" 132/0
+               json_add_string "" 143/0
+       json_close_array
+       json_add_string target ACCEPT
+       json_close_object
+
+       for network in $downlink; do
+               downzone=$(fw3 network $network)
+               [ -n "$downzone" ] || continue
+
+               json_add_object ""
+               json_add_string type rule
+               json_add_string src "$upzone"
+               json_add_string dest "$downzone"
+               json_add_string family ipv4
+               json_add_string proto any
+               json_add_string dest_ip "224.0.0.0/4"
+               json_add_string target ACCEPT
+               json_close_object
+
+               json_add_object ""
+               json_add_string type rule
+               json_add_string src "$upzone"
+               json_add_string dest "$downzone"
+               json_add_string family ipv6
+               json_add_string proto any
+               json_add_string dest_ip "ff00::/8"
+               json_add_string target ACCEPT
+               json_close_object
+       done
+}
+
+service_triggers() {
+       procd_add_reload_trigger "omcproxy"
+}
+
+start_service() {
+       include /lib/functions
+
+       config_load omcproxy
+       config_foreach omcproxy_add_proxy proxy
+
+       [ -n "$PROXIES" ] || return 0
+
+       procd_open_instance
+       procd_set_param command $PROG
+       [ -n "$OPTIONS" ] && procd_append_param command $OPTIONS
+       procd_append_param command $PROXIES
+       procd_set_param respawn
+
+       procd_open_trigger
+       config_foreach omcproxy_add_trigger proxy
+       procd_close_trigger
+
+       procd_open_data
+
+       json_add_array firewall
+       config_foreach omcproxy_add_firewall proxy
+       json_close_array
+
+       procd_close_data
+
+       procd_close_instance
+
+       # Increase maximum IPv4 group memberships per socket
+       echo 128 > /proc/sys/net/ipv4/igmp_max_memberships
+}
+
+service_started() {
+       procd_set_config_changed firewall
+}