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14dcde95ec
The parameter staging_bindir_native is no longer used. Remove it. For now the script is backward compatible. With 4 parameters it logs an error message but still works. (From OE-Core rev: c47322297fcd0408c5e290e74eee4344754e03e4) Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com> Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
101 lines
2.5 KiB
Bash
Executable File
101 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
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#
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# Create a "bank" of tap network devices that can be used by the
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# runqemu script. This script needs to be run as root
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#
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# Copyright (C) 2010 Intel Corp.
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#
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# SPDX-License-Identifier: GPL-2.0-only
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#
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uid=`id -u`
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gid=`id -g`
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if [ -n "$SUDO_UID" ]; then
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uid=$SUDO_UID
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fi
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if [ -n "$SUDO_GID" ]; then
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gid=$SUDO_GID
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fi
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usage() {
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echo "Usage: sudo $0 <uid> <gid> <num>"
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echo "Where <uid> is the numeric user id the tap devices will be owned by"
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echo "Where <gid> is the numeric group id the tap devices will be owned by"
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echo "<num> is the number of tap devices to create (0 to remove all)"
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echo "For example:"
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echo "$ bitbake qemu-helper-native"
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echo "$ sudo $0 $uid $gid 4"
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echo ""
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exit 1
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}
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# Allow passing 4 arguments for backward compatibility with warning
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if [ $# -eq 4 ]; then
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echo "Warning: The <native-sysroot-basedir> parameter is no longer needed. Ignoring."
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fi
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if [ $# -lt 3 ] || [ $# -gt 4 ]; then
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echo "Error: Incorrect number of arguments"
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usage
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fi
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TUID=$1
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GID=$2
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COUNT=$3
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# check if COUNT is a number and >= 0
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if ! [ $COUNT -ge 0 ]; then
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echo "Error: Incorrect count: $COUNT"
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exit 1
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fi
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if [ $EUID -ne 0 ]; then
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echo "Error: This script must be run with root privileges"
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exit
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fi
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SCRIPT_DIR=`dirname $0`
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RUNQEMU_IFUP="$SCRIPT_DIR/runqemu-ifup"
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if [ ! -x "$RUNQEMU_IFUP" ]; then
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echo "Error: Unable to find the runqemu-ifup script in $SCRIPT_DIR"
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exit 1
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fi
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if interfaces=`ip tuntap list` 2>/dev/null; then
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interfaces=`echo "$interfaces" |cut -f1 -d:`
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else
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echo "Failed to call 'ip tuntap list'" >&2
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exit 1
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fi
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# Ensure we start with a clean slate
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for tap in $interfaces; do
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echo "Note: Destroying pre-existing tap interface $tap..."
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ip tuntap del $tap mode tap
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done
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rm -f /etc/runqemu-nosudo
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if [ $COUNT -eq 0 ]; then
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exit 0
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fi
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echo "Creating $COUNT tap devices for UID: $TUID GID: $GID..."
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for ((index=0; index < $COUNT; index++)); do
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echo "Creating tap$index"
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if ! ifup=`$RUNQEMU_IFUP $TUID $GID 2>&1`; then
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echo "Error bringing up interface: $ifup"
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exit 1
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fi
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done
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echo "Note: For systems running NetworkManager, it's recommended"
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echo "Note: that the tap devices be set as unmanaged in the"
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echo "Note: NetworkManager.conf file. Add the following lines to"
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echo "Note: /etc/NetworkManager/NetworkManager.conf"
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echo "[keyfile]"
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echo "unmanaged-devices=interface-name:tap*"
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# The runqemu script will check for this file, and if it exists,
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# will use the existing bank of tap devices without creating
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# additional ones via sudo.
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touch /etc/runqemu-nosudo
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