diff options
author | 2020-03-30 09:24:26 +0900 | |
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committer | 2020-03-30 09:24:26 +0900 | |
commit | 5b80bfd7bffd4c20d80b7c70a7130529e9a755dd (patch) | |
tree | b4bb18dcd1487dbf1ea8127e5671b7bb2eded033 /external/poky/scripts/runqemu-ifdown | |
parent | 706ad73eb02caf8532deaf5d38995bd258725cb8 (diff) |
agl-basesystem
Diffstat (limited to 'external/poky/scripts/runqemu-ifdown')
-rwxr-xr-x | external/poky/scripts/runqemu-ifdown | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/external/poky/scripts/runqemu-ifdown b/external/poky/scripts/runqemu-ifdown new file mode 100755 index 00000000..24869685 --- /dev/null +++ b/external/poky/scripts/runqemu-ifdown @@ -0,0 +1,76 @@ +#!/bin/bash +# +# QEMU network configuration script to bring down tap devices. This +# utility needs to be run as root, and will use the tunctl binary +# from the native sysroot. +# +# If you find yourself calling this script a lot, you can add the +# the following to your /etc/sudoers file to be able to run this +# command without entering your password each time: +# +# <my-username> ALL=NOPASSWD: /path/to/runqemu-ifup +# <my-username> ALL=NOPASSWD: /path/to/runqemu-ifdown +# +# Copyright (c) 2006-2011 Linux Foundation +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +usage() { + echo "sudo $(basename $0) <tap-dev> <native-sysroot-basedir>" +} + +if [ $EUID -ne 0 ]; then + echo "Error: This script (runqemu-ifdown) must be run with root privileges" + exit 1 +fi + +if [ $# -ne 2 ]; then + usage + exit 1 +fi + +TAP=$1 +STAGING_BINDIR_NATIVE=$2 + +TUNCTL=$STAGING_BINDIR_NATIVE/tunctl +if [ ! -e "$TUNCTL" ]; then + echo "Error: Unable to find tunctl binary in '$STAGING_BINDIR_NATIVE', please bitbake qemu-helper-native" + exit 1 +fi + +$TUNCTL -d $TAP + +IFCONFIG=`which ip 2> /dev/null` +if [ "x$IFCONFIG" = "x" ]; then + # better than nothing... + IFCONFIG=/sbin/ip +fi +if [ -x "$IFCONFIG" ]; then + if `$IFCONFIG link show $TAP > /dev/null 2>&1`; then + $IFCONFIG link del $TAP + fi +fi +# cleanup the remaining iptables rules +IPTABLES=`which iptables 2> /dev/null` +if [ "x$IPTABLES" = "x" ]; then + IPTABLES=/sbin/iptables +fi +if [ ! -x "$IPTABLES" ]; then + echo "$IPTABLES cannot be executed" + exit 1 +fi +n=$[ (`echo $TAP | sed 's/tap//'` * 2) + 1 ] +dest=$[ (`echo $TAP | sed 's/tap//'` * 2) + 2 ] +$IPTABLES -D POSTROUTING -t nat -j MASQUERADE -s 192.168.7.$n/32 +$IPTABLES -D POSTROUTING -t nat -j MASQUERADE -s 192.168.7.$dest/32 |