omcproxy: add new igmpv3 & mldv2 multicast proxy
Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 46716
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Steven Barth
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3 changed files with 195 additions and 0 deletions
43
package/network/services/omcproxy/Makefile
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43
package/network/services/omcproxy/Makefile
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#
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# Copyright (C) 2015 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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PKG_NAME:=omcproxy
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PKG_VERSION:=2015-08-24
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PKG_RELEASE:=1
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
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PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
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PKG_SOURCE_URL:=https://github.com/sbyx/omcproxy.git
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PKG_SOURCE_PROTO:=git
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PKG_SOURCE_VERSION:=8df8017b8bc6d31e975d72361d8f9512e743d0c7
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PKG_MAINTAINER:=Steven Barth <cyrus@openwrt.org>
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PKG_LICENSE:=APACHE-2.0
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include $(INCLUDE_DIR)/package.mk
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include $(INCLUDE_DIR)/cmake.mk
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define Package/omcproxy
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SECTION:=net
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CATEGORY:=Network
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DEPENDS:=+libubox +libubus
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TITLE:=IGMPv3 and MLDv2 Multicast Proxy
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endef
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CMAKE_OPTIONS += -DWITH_LIBUBOX=1 -DWITH_UBUS=1
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define Package/omcproxy/install
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$(INSTALL_DIR) $(1)/etc/config
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$(INSTALL_CONF) ./files/omcproxy.config $(1)/etc/config/omcproxy
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$(INSTALL_DIR) $(1)/etc/init.d
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$(INSTALL_BIN) ./files/omcproxy.init $(1)/etc/init.d/omcproxy
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$(INSTALL_DIR) $(1)/usr/sbin
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$(INSTALL_BIN) $(PKG_BUILD_DIR)/omcproxy $(1)/usr/sbin/
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endef
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$(eval $(call BuildPackage,omcproxy))
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9
package/network/services/omcproxy/files/omcproxy.config
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package/network/services/omcproxy/files/omcproxy.config
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config proxy
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option scope global
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option uplink wan
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list downlink lan
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config proxy
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option scope global
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option uplink wan6
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list downlink lan
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143
package/network/services/omcproxy/files/omcproxy.init
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package/network/services/omcproxy/files/omcproxy.init
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#!/bin/sh /etc/rc.common
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# Copyright (C) 2010-2014 OpenWrt.org
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START=99
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USE_PROCD=1
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PROG=/usr/sbin/omcproxy
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# Uncomment to enable verbosity
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#OPTIONS="-v"
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PROXIES=""
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omcproxy_add_proxy() {
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local uplink downlink scope proxy
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config_get uplink $1 uplink
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config_get downlink $1 downlink
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config_get scope $1 scope
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proxy=""
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network_get_device updev $uplink
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[ -n "$updev" ] || return 0
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for network in $downlink; do
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network_get_device downdev $network
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[ -n "$downdev" ] && proxy="$proxy,$downdev"
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# Disable in-kernel querier while ours is active
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[ -f /sys/class/net/$downdev/bridge/multicast_querier ] && \
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echo 0 > /sys/class/net/$downdev/bridge/multicast_querier
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done
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[ -n "$proxy" ] || return 0
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[ -n "$scope" ] && proxy="$proxy,scope=$scope"
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PROXIES="$PROXIES $updev$proxy"
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}
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omcproxy_add_trigger() {
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local uplink downlink
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config_get uplink $1 uplink
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config_get downlink $1 downlink
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for network in $uplink $downlink; do
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procd_add_interface_trigger "interface.*" $network /etc/init.d/omcproxy restart
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done
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}
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omcproxy_add_firewall() {
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config_get uplink $1 uplink
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config_get downlink $1 downlink
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upzone=$(fw3 network $uplink)
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[ -n "$upzone" ] || return 0
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json_add_object ""
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json_add_string type rule
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json_add_string src "$upzone"
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json_add_string proto igmp
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json_add_string target ACCEPT
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json_close_object
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json_add_object ""
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json_add_string type rule
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json_add_string family ipv6
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json_add_string src "$upzone"
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json_add_string proto icmp
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json_add_string src_ip fe80::/10
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json_add_array icmp_type
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json_add_string "" 130/0
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json_add_string "" 131/0
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json_add_string "" 132/0
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json_add_string "" 143/0
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json_close_array
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json_add_string target ACCEPT
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json_close_object
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for network in $downlink; do
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downzone=$(fw3 network $network)
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[ -n "$downzone" ] || continue
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json_add_object ""
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json_add_string type rule
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json_add_string src "$upzone"
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json_add_string dest "$downzone"
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json_add_string family ipv4
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json_add_string proto any
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json_add_string dest_ip "224.0.0.0/4"
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json_add_string target ACCEPT
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json_close_object
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json_add_object ""
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json_add_string type rule
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json_add_string src "$upzone"
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json_add_string dest "$downzone"
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json_add_string family ipv6
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json_add_string proto any
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json_add_string dest_ip "ff00::/8"
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json_add_string target ACCEPT
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json_close_object
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done
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}
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service_triggers() {
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procd_add_reload_trigger "omcproxy"
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}
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start_service() {
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include /lib/functions
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config_load omcproxy
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config_foreach omcproxy_add_proxy proxy
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[ -n "$PROXIES" ] || return 0
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procd_open_instance
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procd_set_param command $PROG
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[ -n "$OPTIONS" ] && procd_append_param command $OPTIONS
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procd_append_param command $PROXIES
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procd_set_param respawn
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procd_open_trigger
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config_foreach omcproxy_add_trigger proxy
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procd_close_trigger
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procd_open_data
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json_add_array firewall
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config_foreach omcproxy_add_firewall proxy
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json_close_array
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procd_close_data
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procd_close_instance
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# Increase maximum IPv4 group memberships per socket
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echo 128 > /proc/sys/net/ipv4/igmp_max_memberships
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}
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service_started() {
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procd_set_config_changed firewall
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}
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