nat46: drop from repo
Move nat46 and 464xlat to OpenWrt base repo Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
This commit is contained in:
Hans Dedecker
parent
29d4160f4b
commit
bc431ae65f
4 changed files with 0 additions and 353 deletions
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#
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# Copyright (C) 2014-2015 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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include $(INCLUDE_DIR)/kernel.mk
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PKG_NAME:=nat46
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PKG_VERSION:=11
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PKG_RELEASE:=$(PKG_SOURCE_VERSION)
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
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PKG_MIRROR_HASH:=18b36fcb30c6c56e39c20f3363f806f909d08bb21041ac5c930c9216b6d3e2aa
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PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
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PKG_SOURCE_URL:=https://github.com/ayourtch/nat46.git
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PKG_SOURCE_PROTO:=git
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PKG_SOURCE_VERSION:=683fbd2b765506332a1af141545652bf58f03166
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PKG_MAINTAINER:=Steven Barth <cyrus@openwrt.org>
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PKG_LICENSE:=GPL-2.0
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include $(INCLUDE_DIR)/package.mk
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define Package/map-t
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SECTION:=net
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CATEGORY:=Network
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DEPENDS:=+map +kmod-nat46
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TITLE:=MAP-T configuration support
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endef
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define Package/464xlat
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SECTION:=net
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CATEGORY:=Network
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DEPENDS:=+kmod-nat46 +ip
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TITLE:=464xlat CLAT support
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endef
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define KernelPackage/nat46
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DEPENDS:=@IPV6
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TITLE:=Stateless NAT46 translation kernel module
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SECTION:=kernel
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SUBMENU:=Network Support
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FILES:=$(PKG_BUILD_DIR)/nat46/modules/nat46.ko
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AUTOLOAD:=$(call AutoLoad,33,nat46)
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endef
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include $(INCLUDE_DIR)/kernel-defaults.mk
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define Build/Prepare
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$(call Build/Prepare/Default)
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$(CP) ./src/* $(PKG_BUILD_DIR)/
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endef
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define Build/Compile
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$(MAKE) -C $(PKG_BUILD_DIR) \
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CC="$(TARGET_CC)" \
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CFLAGS="$(TARGET_CFLAGS) -Wall" \
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LDFLAGS="$(TARGET_LDFLAGS)"
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$(MAKE) $(KERNEL_MAKEOPTS) SUBDIRS="$(PKG_BUILD_DIR)/nat46/modules" \
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MODFLAGS="-DMODULE -mlong-calls" \
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EXTRA_CFLAGS="-DNAT46_VERSION=\\\"$(PKG_SOURCE_VERSION)\\\"" \
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modules
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endef
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define Package/map-t/install
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true
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endef
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define Package/464xlat/install
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$(INSTALL_DIR) $(1)/lib/netifd/proto
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$(INSTALL_BIN) ./files/464xlat.sh $(1)/lib/netifd/proto/464xlat.sh
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$(INSTALL_DIR) $(1)/sbin
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$(INSTALL_BIN) $(PKG_BUILD_DIR)/464xlatcfg $(1)/sbin
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endef
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$(eval $(call KernelPackage,nat46))
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$(eval $(call BuildPackage,map-t))
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$(eval $(call BuildPackage,464xlat))
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@ -1,111 +0,0 @@
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#!/bin/sh
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# 464xlat.sh - 464xlat CLAT
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#
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# Copyright (c) 2015 Steven Barth <cyrus@openwrt.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2
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# as published by the Free Software Foundation
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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[ -n "$INCLUDE_ONLY" ] || {
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. /lib/functions.sh
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. /lib/functions/network.sh
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. ../netifd-proto.sh
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init_proto "$@"
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}
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proto_464xlat_setup() {
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local cfg="$1"
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local iface="$2"
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local link="464-$cfg"
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local ip6addr ip6prefix tunlink zone
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json_get_vars ip6addr ip6prefix tunlink zone
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[ -z "$zone" ] && zone="wan"
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( proto_add_host_dependency "$cfg" "::" "$tunlink" )
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if [ -z "$tunlink" ] && ! network_find_wan6 tunlink; then
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proto_notify_error "$cfg" "NO_WAN_LINK"
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return
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fi
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network_get_device tundev "$tunlink"
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ip6addr=$(464xlatcfg "$link" "$tundev" "$ip6prefix" 192.0.0.1 $ip6addr)
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if [ -z "$ip6addr" ]; then
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proto_notify_error "$cfg" "CLAT_CONFIG_FAILED"
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return
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fi
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ip -6 rule del from all lookup local
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ip -6 rule add from all lookup local pref 1
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ip -6 rule add to $ip6addr lookup prelocal pref 0
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echo "$ip6addr" > /tmp/464-$cfg-anycast
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proto_init_update "$link" 1
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proto_add_ipv4_route "0.0.0.0" 0 "" "" 2048
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proto_add_ipv6_route $ip6addr 128 "" "" "" "" 128
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proto_add_data
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[ "$zone" != "-" ] && json_add_string zone "$zone"
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json_add_array firewall
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json_add_object ""
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json_add_string type nat
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json_add_string target SNAT
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json_add_string family inet
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json_add_string snat_ip 192.0.0.1
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json_close_object
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json_add_object ""
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json_add_string type rule
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json_add_string family inet6
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json_add_string proto all
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json_add_string direction in
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json_add_string dest "$zone"
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json_add_string src "$zone"
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json_add_string src_ip $ip6addr
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json_add_string target ACCEPT
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json_close_object
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json_close_array
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proto_close_data
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proto_send_update "$cfg"
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}
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proto_464xlat_teardown() {
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local cfg="$1"
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local link="464-$cfg"
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[ -f /tmp/464-$cfg-anycast ] || return
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local ip6addr=$(cat /tmp/464-$cfg-anycast)
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464xlatcfg "$link"
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rm -rf /tmp/464-$cfg-anycast
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[ -n "$ip6addr" ] && ip -6 rule del to $ip6addr lookup prelocal
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if [ -z "$(ls /tmp/464-*-anycast 2>&-)" ]; then
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ip -6 rule del from all lookup local
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ip -6 rule add from all lookup local pref 0
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fi
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}
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proto_464xlat_init_config() {
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no_device=1
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available=1
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proto_config_add_string "ip6prefix"
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proto_config_add_string "ip6addr"
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proto_config_add_string "tunlink"
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proto_config_add_string "zone"
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}
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[ -n "$INCLUDE_ONLY" ] || {
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add_protocol 464xlat
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}
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/* 464xlatcfg.c
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*
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* Copyright (c) 2015 Steven Barth <cyrus@openwrt.org>
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* Copyright (c) 2017 Hans Dedecker <dedeckeh@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <netinet/icmp6.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <net/if.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <stdio.h>
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#include <netdb.h>
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static void sighandler(__attribute__((unused)) int signal)
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{
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}
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int main(int argc, const char *argv[])
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{
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char buf[INET6_ADDRSTRLEN], prefix[INET6_ADDRSTRLEN + 4];
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int pid;
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if (argc <= 1) {
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fprintf(stderr, "Usage: %s <name> [ifname] [ipv6prefix] [ipv4addr] [ipv6addr]\n", argv[0]);
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return 1;
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}
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snprintf(buf, sizeof(buf), "/var/run/%s.pid", argv[1]);
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FILE *fp = fopen(buf, "r");
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if (fp) {
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if (fscanf(fp, "%d", &pid) == 1)
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kill(pid, SIGTERM);
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unlink(buf);
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fclose(fp);
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}
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if (!argv[2])
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return 0;
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if (!argv[3] || !argv[4] || !(fp = fopen(buf, "wx")))
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return 1;
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signal(SIGTERM, SIG_DFL);
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setvbuf(fp, NULL, _IOLBF, 0);
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fprintf(fp, "%d\n", getpid());
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prefix[sizeof(prefix) - 1] = 0;
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strncpy(prefix, argv[3], sizeof(prefix) - 1);
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if (!prefix[0]) {
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struct addrinfo hints = { .ai_family = AF_INET6 }, *res;
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if (getaddrinfo("ipv4only.arpa", NULL, &hints, &res) || !res) {
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sleep(3);
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if (getaddrinfo("ipv4only.arpa", NULL, &hints, &res) || !res)
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return 2;
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}
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struct sockaddr_in6 *sin6 = (struct sockaddr_in6*)res->ai_addr;
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inet_ntop(AF_INET6, &sin6->sin6_addr, prefix, sizeof(prefix) - 4);
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strcat(prefix, "/96");
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freeaddrinfo(res);
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}
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int i = 0;
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int sock;
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struct sockaddr_in6 saddr;
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do {
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socklen_t saddrlen = sizeof(saddr);
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struct icmp6_filter filt;
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sock = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
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ICMP6_FILTER_SETBLOCKALL(&filt);
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setsockopt(sock, IPPROTO_ICMPV6, ICMP6_FILTER, &filt, sizeof(filt));
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setsockopt(sock, SOL_SOCKET, SO_BINDTODEVICE, argv[2], strlen(argv[2]));
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memset(&saddr, 0, sizeof(saddr));
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saddr.sin6_family = AF_INET6;
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saddr.sin6_addr.s6_addr32[0] = htonl(0x2001);
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saddr.sin6_addr.s6_addr32[1] = htonl(0xdb8);
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if (connect(sock, (struct sockaddr*)&saddr, sizeof(saddr)) ||
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getsockname(sock, (struct sockaddr*)&saddr, &saddrlen))
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return 3;
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if (!IN6_IS_ADDR_LINKLOCAL(&saddr.sin6_addr) || argv[5])
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break;
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close(sock);
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sleep(3);
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i++;
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} while (i < 3);
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struct ipv6_mreq mreq = {saddr.sin6_addr, if_nametoindex(argv[2])};
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if (!argv[5]) {
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if (IN6_IS_ADDR_LINKLOCAL(&mreq.ipv6mr_multiaddr))
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return 5;
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srandom(mreq.ipv6mr_multiaddr.s6_addr32[0] ^ mreq.ipv6mr_multiaddr.s6_addr32[1] ^
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mreq.ipv6mr_multiaddr.s6_addr32[2] ^ mreq.ipv6mr_multiaddr.s6_addr32[3]);
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mreq.ipv6mr_multiaddr.s6_addr32[2] = random();
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mreq.ipv6mr_multiaddr.s6_addr32[3] = random();
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} else if (inet_pton(AF_INET6, argv[5], &mreq.ipv6mr_multiaddr) != 1) {
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return 1;
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}
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if (setsockopt(sock, SOL_IPV6, IPV6_JOIN_ANYCAST, &mreq, sizeof(mreq)))
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return 3;
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inet_ntop(AF_INET6, &mreq.ipv6mr_multiaddr, buf, sizeof(buf));
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fputs(buf, stdout);
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fputc('\n', stdout);
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fflush(stdout);
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FILE *nat46 = fopen("/proc/net/nat46/control", "w");
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if (!nat46 || fprintf(nat46, "add %s\nconfig %s local.style NONE local.v4 %s/32 local.v6 %s/128 "
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"remote.style RFC6052 remote.v6 %s\n", argv[1], argv[1], argv[4], buf, prefix) < 0 ||
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fclose(nat46))
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return 4;
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if (!(pid = fork())) {
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fclose(fp);
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fclose(stdin);
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fclose(stdout);
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fclose(stderr);
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chdir("/");
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setsid();
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signal(SIGTERM, sighandler);
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pause();
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nat46 = fopen("/proc/net/nat46/control", "w");
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if (nat46) {
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fprintf(nat46, "del %s\n", argv[1]);
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fclose(nat46);
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}
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} else {
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rewind(fp);
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fprintf(fp, "%d\n", pid);
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}
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return 0;
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}
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@ -1,8 +0,0 @@
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all: 464xlatcfg
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464xlatcfg: 464xlatcfg.c
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
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clean:
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rm -f 464xlatcfg
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