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#!/bin/bash
# -----------------------------------------------------------------------------
#
# Copyright (c) 2007..2018 bwLehrpool-Projektteam
#
# This program/file is free software distributed under the GPL version 2.
# See https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
#
# If you have any feedback please consult https://bwlehrpool.de and
# send your feedback to support@bwlehrpool.de.
#
# General information about bwLehrpool can be found at https://bwlehrpool.de
#
# -----------------------------------------------------------------------------
# systemd-vbox_env
# - This is the preparation script for the configuration of VirtualBox.
################################################################################
## sanity checks
VBOX_BASE_DIR="/usr/lib/virtualbox"
VBOX_KMOD_DIR="/lib/modules/vbox"
VBOX_MANAGE="${VBOX_BASE_DIR}/VBoxManage"
. /opt/openslx/config
exit_code=0
# Runtime critical checks first
# VBoxManage should be under /usr/lib/virtualbox
if ! [ -d "${VBOX_BASE_DIR}" ] || ! [ -x "${VBOX_MANAGE}" ] || ! [ -d "${VBOX_KMOD_DIR}" ]; then
echo "Failed to find VirtualBox installation at expected paths."
exit 1
fi
# load vbox kernel modules
if ! cd "${VBOX_KMOD_DIR}"; then
exit_code=1
else
for MOD in *; do
if ! lsmod | grep -q "^${MOD%%.*} " && ! insmod "${MOD}"; then
slxlog "vbox-setup" "Loading of ${MOD} failed."
exit_code=1
fi
done
fi
# check/create vboxusers group
echo "Handling group"
getent group vboxusers &> /dev/null || addgroup --system vboxusers
[[ " $( id -Gn demo ) " = *" vboxusers "* ]] || adduser demo vboxusers
# set their permissions
echo "Setting up /dev"
chmod 0600 /dev/vboxdrv /dev/vboxnetctl
chmod 0666 /dev/vboxdrvu
mkdir -p /dev/vboxusb
chmod 0750 /dev/vboxusb
chown root:vboxusers /dev/vboxusb
# create required standard directories
mkdir -p "/tmp/virt/virtualbox" -m 1777
if ! [ -e "/run/openslx/dmsetup.state" ]; then
# reload udev rules since aufs'ing the layer on top do not trigger its inotify watch
echo "Reloading udev rules"
udevadm control --reload
fi
# pretty dumb, you can only create host-only interfaces,
# but not assign a specific name/number
echo "Setting up vbox network interfaces"
if ! [ -e "/sys/class/net/vboxnet0" ]; then
${VBOX_MANAGE} hostonlyif create || exit_code=1
ip link set dev vboxnet0 up
[ "$SLX_JUMBO_FRAMES" = "yes" ] && ip link set dev vboxnet0 mtu 9000
brctl addif br0 vboxnet0 || exit_code=1
fi
if ! [ -e "/sys/class/net/vboxnet1" ]; then
${VBOX_MANAGE} hostonlyif create || exit_code=1
ip link set dev vboxnet1 up
brctl addif nat1 vboxnet1 || exit_code=1
fi
if ! [ -e "/sys/class/net/vboxnet2" ]; then
${VBOX_MANAGE} hostonlyif create || exit_code=1
ip link set dev vboxnet2 up
brctl addif vsw2 vboxnet2 || exit_code=1
fi
if [ "$SLX_BRIDGE_OTHER_NICS" = "yes" ]; then
# These will have been set up in our init, or by bridge-other-nics.service
echo "Setting up additional bridged network interfaces"
vboxnet=3
for nic in /sys/class/net/br-nic-*; do
nic="${nic##*-}"
if ! [ "$nic" -ge 0 ]; then
slxlog "vbox-other-nics" "NaN: br-nic-X has X='$nic'"
continue
fi
# Already done?
[ -e "/sys/class/net/vboxnet${vboxnet}" ] && continue
# create vboxnet3 - vboxnetN for these
${VBOX_MANAGE} hostonlyif create
brctl addif "br-nic-${nic}" "vboxnet${vboxnet}"
vboxnet="$(( vboxnet + 1 ))"
done
fi
# trigger reload of iptables stuff (it's using inotify)
touch /opt/openslx/iptables/rules.d/empty
exit "$exit_code"
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