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author | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
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committer | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
commit | 21f9b84b4b729fbd7acbd465e7a3f726e4d20f91 (patch) | |
tree | eb2d091d427ca0813b445509d59cc8e27e8ad25f /yocto-poky/scripts/runqemu-ifdown | |
parent | 101cef31e2bf54c678501155cd2106251acbd076 (diff) | |
parent | c124f4f2e04dca16a428a76c89677328bc7bf908 (diff) | |
download | openbmc-21f9b84b4b729fbd7acbd465e7a3f726e4d20f91.tar.xz |
Merge commit 'c124f4f2e04dca16a428a76c89677328bc7bf908' as 'yocto-poky'
Diffstat (limited to 'yocto-poky/scripts/runqemu-ifdown')
-rwxr-xr-x | yocto-poky/scripts/runqemu-ifdown | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/yocto-poky/scripts/runqemu-ifdown b/yocto-poky/scripts/runqemu-ifdown new file mode 100755 index 000000000..8f66cfa2a --- /dev/null +++ b/yocto-poky/scripts/runqemu-ifdown @@ -0,0 +1,66 @@ +#!/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 +NATIVE_SYSROOT_DIR=$2 + +TUNCTL=$NATIVE_SYSROOT_DIR/usr/bin/tunctl +if [ ! -e "$TUNCTL" ]; then + echo "Error: Unable to find tunctl binary in '$NATIVE_SYSROOT_DIR/usr/bin', please bitbake qemu-helper-native" + exit 1 +fi + +$TUNCTL -d $TAP + +# cleanup the remaining iptables rules +IPTABLES=`which iptables 2> /dev/null` +if [ "x$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 |