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- #!/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'"
- exit 1
- fi
- $TUNCTL -d $TAP
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