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#!@SBINDIR@/openrc-run
# Copyright (c) 2007-2015 The OpenRC Authors.
# See the Authors file at the top-level directory of this distribution and
# https://github.com/OpenRC/openrc/blob/HEAD/AUTHORS
#
# This file is part of OpenRC. It is subject to the license terms in
# the LICENSE file found in the top-level directory of this
# distribution and at https://github.com/OpenRC/openrc/blob/HEAD/LICENSE
# This file may not be copied, modified, propagated, or distributed
# except according to the terms contained in the LICENSE file.
description="Mount the sys filesystem."
sysfs_opts=nodev,noexec,nosuid
depend()
{
keyword -docker -podman -lxc -prefix -systemd-nspawn -vserver -wsl
}
mount_sys()
{
grep -Eq "[[:space:]]+sysfs$" /proc/filesystems || return 1
mountinfo -q /sys && return 0
if [ ! -d /sys ]; then
if ! mkdir -m 0755 /sys; then
ewarn "Could not create /sys!"
return 1
fi
fi
ebegin "Mounting /sys"
if ! fstabinfo --mount /sys; then
mount -n -t sysfs -o ${sysfs_opts} sysfs /sys
fi
eend $?
}
mount_misc()
{
# Setup Kernel Support for securityfs
if [ -d /sys/kernel/security ] && \
! mountinfo -q /sys/kernel/security; then
if grep -qs securityfs /proc/filesystems; then
ebegin "Mounting security filesystem"
mount -n -t securityfs -o ${sysfs_opts} \
securityfs /sys/kernel/security
eend $?
fi
fi
# Setup Kernel Support for debugfs
if [ -d /sys/kernel/debug ] && ! mountinfo -q /sys/kernel/debug; then
if grep -qs debugfs /proc/filesystems; then
ebegin "Mounting debug filesystem"
mount -n -t debugfs -o ${sysfs_opts} debugfs /sys/kernel/debug
eend $?
fi
fi
# Setup Kernel Support for tracefs
if [ -d /sys/kernel/tracing ] && ! mountinfo -q /sys/kernel/tracing; then
if grep -qs tracefs /proc/filesystems; then
ebegin "Mounting trace filesystem"
mount -n -t tracefs -o ${sysfs_opts} tracefs /sys/kernel/tracing
eend $?
fi
fi
# Setup Kernel Support for configfs
if [ -d /sys/kernel/config ] && ! mountinfo -q /sys/kernel/config; then
if grep -qs configfs /proc/filesystems; then
ebegin "Mounting config filesystem"
mount -n -t configfs -o ${sysfs_opts} configfs /sys/kernel/config
eend $?
fi
fi
# set up kernel support for fusectl
if [ -d /sys/fs/fuse/connections ] \
&& ! mountinfo -q /sys/fs/fuse/connections; then
if grep -qs fusectl /proc/filesystems; then
ebegin "Mounting fuse control filesystem"
mount -n -t fusectl -o ${sysfs_opts} \
fusectl /sys/fs/fuse/connections
eend $?
fi
fi
# Setup Kernel Support for SELinux
if [ -d /sys/fs/selinux ] && ! mountinfo -q /sys/fs/selinux; then
if grep -qs selinuxfs /proc/filesystems; then
ebegin "Mounting SELinux filesystem"
mount -t selinuxfs selinuxfs /sys/fs/selinux
eend $?
fi
fi
# Setup Kernel Support for persistent storage
if [ -d /sys/fs/pstore ] && ! mountinfo -q /sys/fs/pstore; then
if grep -qs 'pstore$' /proc/filesystems; then
ebegin "Mounting persistent storage (pstore) filesystem"
mount -t pstore pstore -o ${sysfs_opts} /sys/fs/pstore
eend $?
fi
fi
# set up kernel support for efivarfs
if [ -d /sys/firmware/efi/efivars ] &&
! mountinfo -q /sys/firmware/efi/efivars; then
ebegin "Mounting efivarfs filesystem"
mount -n -t efivarfs -o ${sysfs_opts} \
efivarfs /sys/firmware/efi/efivars 2> /dev/null
eend 0
fi
# set up kernel support for bpf filesystem
if [ -d /sys/fs/bpf ] && ! mountinfo -q /sys/fs/bpf; then
if grep -qs 'bpf$' /proc/filesystems; then
ebegin "Mounting bpf filesystem"
mount -n -t bpf -o ${sysfs_opts} bpf /sys/fs/bpf
eend $?
fi
fi
}
restorecon_sys()
{
if [ -x /sbin/restorecon ]; then
ebegin "Restoring SELinux contexts in /sys"
restorecon -F /sys/devices/system/cpu/online >/dev/null 2>&1
eend $?
fi
}
start()
{
mount_sys
mount_misc
restorecon_sys
return 0
}
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