Files
poky/scripts/runqemu-gen-tapdevs
Trevor Gamblin 7a6620b5eb runqemu-gen-tapdevs: fix missing variable quote
Commit d43c41fcaf refactors the script but
there's a missing '"' in one line, leading to the following message:

poky/scripts/runqemu-gen-tapdevs: command substitution: line 62: unexpected EOF while looking for matching `"'

(From OE-Core rev: 94b9b1333a5f779316b9698bb3e4fa7246bae78e)

Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2023-06-19 14:25:36 +01:00

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#!/bin/bash
#
# Create a "bank" of tap network devices that can be used by the
# runqemu script. This script needs to be run as root
#
# Copyright (C) 2010 Intel Corp.
#
# SPDX-License-Identifier: GPL-2.0-only
#
uid=`id -u`
gid=`id -g`
if [ -n "$SUDO_UID" ]; then
uid=$SUDO_UID
fi
if [ -n "$SUDO_GID" ]; then
gid=$SUDO_GID
fi
usage() {
echo "Usage: sudo $0 <uid> <gid> <num> <staging_bindir_native>"
echo "Where <uid> is the numeric user id the tap devices will be owned by"
echo "Where <gid> is the numeric group id the tap devices will be owned by"
echo "<num> is the number of tap devices to create (0 to remove all)"
echo "<native-sysroot-basedir> is the path to the build system's native sysroot"
echo "For example:"
echo "$ bitbake qemu-helper-native"
echo "$ sudo $0 $uid $gid 4 tmp/sysroots-components/x86_64/qemu-helper-native/usr/bin"
echo ""
exit 1
}
if [ $# -ne 4 ]; then
echo "Error: Incorrect number of arguments"
usage
fi
TUID=$1
GID=$2
COUNT=$3
STAGING_BINDIR_NATIVE=$4
# check if COUNT is a number and >= 0
if ! [ $COUNT -ge 0 ]; then
echo "Error: Incorrect count: $COUNT"
exit 1
fi
if [ $EUID -ne 0 ]; then
echo "Error: This script must be run with root privileges"
exit
fi
SCRIPT_DIR=`dirname $0`
RUNQEMU_IFUP="$SCRIPT_DIR/runqemu-ifup"
if [ ! -x "$RUNQEMU_IFUP" ]; then
echo "Error: Unable to find the runqemu-ifup script in $SCRIPT_DIR"
exit 1
fi
if interfaces=`ip tuntap list` 2>/dev/null; then
interfaces=`echo "$interfaces" |cut -f1 -d:`
else
echo "Failed to call 'ip tuntap list'" >&2
exit 1
fi
# Ensure we start with a clean slate
for tap in $interfaces; do
echo "Note: Destroying pre-existing tap interface $tap..."
ip tuntap del $tap mode tap
done
rm -f /etc/runqemu-nosudo
if [ $COUNT -eq 0 ]; then
exit 0
fi
echo "Creating $COUNT tap devices for UID: $TUID GID: $GID..."
for ((index=0; index < $COUNT; index++)); do
echo "Creating tap$index"
if ! ifup=`$RUNQEMU_IFUP $TUID $GID 2>&1`; then
echo "Error bringing up interface: $ifup"
exit 1
fi
done
echo "Note: For systems running NetworkManager, it's recommended"
echo "Note: that the tap devices be set as unmanaged in the"
echo "Note: NetworkManager.conf file. Add the following lines to"
echo "Note: /etc/NetworkManager/NetworkManager.conf"
echo "[keyfile]"
echo "unmanaged-devices=interface-name:tap*"
# The runqemu script will check for this file, and if it exists,
# will use the existing bank of tap devices without creating
# additional ones via sudo.
touch /etc/runqemu-nosudo