1#!/bin/bash 2# 3# Copyright (c) 2017, The OpenThread Authors. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 3. Neither the name of the copyright holder nor the 14# names of its contributors may be used to endorse or promote products 15# derived from this software without specific prior written permission. 16# 17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 21# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27# POSSIBILITY OF SUCH DAMAGE. 28# 29# Description: 30# This script manipulates ip forward configuration. 31# 32 33SYSCTL_IP_FORWARD=/etc/sysctl.d/60-otbr-ip-forward.conf 34 35ipforward_install() 36{ 37 sudo tee $SYSCTL_IP_FORWARD <<EOF 38net.ipv6.conf.all.forwarding = 1 39net.ipv4.ip_forward = 1 40EOF 41 42 # /proc/sys/net/ipv6/conf/* files are read-only in docker 43 # when building the image. 44 if without DOCKER; then 45 ipforward_enable 46 fi 47} 48 49ipforward_uninstall() 50{ 51 test ! -f $SYSCTL_IP_FORWARD || sudo rm -v $SYSCTL_IP_FORWARD 52} 53 54ipforward_enable() 55{ 56 echo 1 | sudo tee /proc/sys/net/ipv6/conf/all/forwarding || die 'Failed to enable IPv6 forwarding!' 57 echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward || die 'Failed to enable IPv4 forwarding!' 58} 59