From e81f860bca3b62571d486386e13968fe763fe285 Mon Sep 17 00:00:00 2001 From: Steven Barth Date: Mon, 24 Aug 2015 08:28:11 +0000 Subject: [PATCH] omcproxy: add new igmpv3 & mldv2 multicast proxy Signed-off-by: Steven Barth SVN-Revision: 46716 --- package/network/services/omcproxy/Makefile | 43 ++++++ .../services/omcproxy/files/omcproxy.config | 9 ++ .../services/omcproxy/files/omcproxy.init | 143 ++++++++++++++++++ 3 files changed, 195 insertions(+) create mode 100644 package/network/services/omcproxy/Makefile create mode 100644 package/network/services/omcproxy/files/omcproxy.config create mode 100644 package/network/services/omcproxy/files/omcproxy.init diff --git a/package/network/services/omcproxy/Makefile b/package/network/services/omcproxy/Makefile new file mode 100644 index 0000000000..2583d17355 --- /dev/null +++ b/package/network/services/omcproxy/Makefile @@ -0,0 +1,43 @@ +# +# 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 +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)) 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 +} -- 2.25.1