--- /dev/null
+#
+# Copyright (C) 2015 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=omcproxy
+PKG_VERSION:=2015-08-24
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+PKG_SOURCE_URL:=https://github.com/sbyx/omcproxy.git
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_VERSION:=8df8017b8bc6d31e975d72361d8f9512e743d0c7
+PKG_MAINTAINER:=Steven Barth <cyrus@openwrt.org>
+PKG_LICENSE:=APACHE-2.0
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+define Package/omcproxy
+ SECTION:=net
+ CATEGORY:=Network
+ DEPENDS:=+libubox +libubus
+ TITLE:=IGMPv3 and MLDv2 Multicast Proxy
+endef
+
+CMAKE_OPTIONS += -DWITH_LIBUBOX=1 -DWITH_UBUS=1
+
+define Package/omcproxy/install
+ $(INSTALL_DIR) $(1)/etc/config
+ $(INSTALL_CONF) ./files/omcproxy.config $(1)/etc/config/omcproxy
+ $(INSTALL_DIR) $(1)/etc/init.d
+ $(INSTALL_BIN) ./files/omcproxy.init $(1)/etc/init.d/omcproxy
+ $(INSTALL_DIR) $(1)/usr/sbin
+ $(INSTALL_BIN) $(PKG_BUILD_DIR)/omcproxy $(1)/usr/sbin/
+endef
+
+$(eval $(call BuildPackage,omcproxy))
--- /dev/null
+#!/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
+}