poky/scripts/runqemu-ifdown

#!/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 a Poky 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:

ALL=NOPASSWD: /path/to/runqemu-ifup

ALL=NOPASSWD: /path/to/runqemu-ifdown

Copyright (c) 2006-2010 Intel Corp.

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) " }

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'" exit 1 fi

$TUNCTL -d $TAP