From e81f860bca3b62571d486386e13968fe763fe285 Mon Sep 17 00:00:00 2001
From: Steven Barth <cyrus@openwrt.org>
Date: Mon, 24 Aug 2015 08:28:11 +0000
Subject: omcproxy: add new igmpv3 & mldv2 multicast proxy
Signed-off-by: Steven Barth <steven@midlink.org>
SVN-Revision: 46716
---
.../services/omcproxy/files/omcproxy.config | 9 ++
.../network/services/omcproxy/files/omcproxy.init | 143 +++++++++++++++++++++
2 files changed, 152 insertions(+)
create mode 100644 package/network/services/omcproxy/files/omcproxy.config
create mode 100644 package/network/services/omcproxy/files/omcproxy.init
(limited to 'package/network/services/omcproxy/files')
diff --git a/package/network/services/omcproxy/files/omcproxy.config b/package/network/services/omcproxy/files/omcproxy.config
new file mode 100644
index 0000000000..b0f9bb0672
--- /dev/null
+++ b/package/network/services/omcproxy/files/omcproxy.config
@@ -0,0 +1,9 @@
+config proxy
+ option scope global
+ option uplink wan
+ list downlink lan
+
+config proxy
+ option scope global
+ option uplink wan6
+ list downlink lan
diff --git a/package/network/services/omcproxy/files/omcproxy.init b/package/network/services/omcproxy/files/omcproxy.init
new file mode 100644
index 0000000000..a129792087
--- /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
+}
--
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