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2 years ago
#!/bin/sh
### BEGIN INIT INFO
# Provides: selinux-autorelabel
# Required-Start: $remote_fs
# Required-Stop:
# Default-Start: S
# Default-Stop:
# X-Interactive: true
# Short-Description: Relabel the needed filesystems
# Description: Relabel /dev and /run to mimic systemd behaviour.
# Also Relabel all filesystems, if necessary.
### END INIT INFO
# Author: Laurent Bigonville <bigon@debian.org>
# Based on Red Hat and Erich Schubert work
. /lib/lsb/init-functions
PATH=/sbin:/usr/sbin:/bin:/usr/bin
[ -x /sbin/fixfiles ] || exit 0
selinuxenabled=
if [ -n "/sys/fs/selinux" -a "`cat /proc/self/attr/current 2>/dev/null`" ]; then
if [ -r /sys/fs/selinux/enforce ]; then
selinuxenabled=`cat /sys/fs/selinux/enforce 2>/dev/null`
else
# we can't read /selinux/enforce, so we assume it's enforced...
selinuxenabled=1
fi
fi
relabel_selinux_full() {
# if /sbin/init is not labeled correctly this process is running in the
# wrong context, so a reboot will be required after relabel
AUTORELABEL=
[ -f /etc/selinux/config ] && . /etc/selinux/config
echo "0" > /sys/fs/selinux/enforce
if [ -x /bin/plymouth ] && plymouth --ping; then
plymouth --hide-splash
fi
if [ "$AUTORELABEL" = "0" ]; then
echo
echo "*** Warning -- SELinux ${SELINUXTYPE} policy relabel is required."
echo "*** /etc/selinux/config indicates you want to manually fix labeling"
echo "*** problems. Dropping you to a shell; the system will reboot"
echo "*** when you leave the shell."
sulogin $CONSOLE
else
echo
echo "*** Warning -- SELinux ${SELINUXTYPE} policy relabel is required."
echo "*** Relabeling could take a very long time, depending on file"
echo "*** system size and speed of hard drives."
FORCE=`cat /.autorelabel`
/sbin/fixfiles $FORCE restore
fi
rm -f /.autorelabel
invoke-rc.d sendsigs stop > /dev/null 2>&1
sync
umount -a
mount -n -o remount,ro /
reboot -f
}
relabel_selinux_minimal() {
restorecon -R /dev /run /sys/class/net 2>/dev/null
restorecon /sys/devices/system/cpu/online 2>/dev/null
}
selinux_relabel() {
if [ -n "$selinuxenabled" ]; then
if [ -f /.autorelabel ] || grep -q '\<autorelabel\>' /proc/cmdline ; then
restorecon $(awk '!/^#/ && $4 !~ /noauto/ && $2 ~ /^\// { print $2 }' /etc/fstab) >/dev/null 2>&1
relabel_selinux_full
else
relabel_selinux_minimal
fi
else
# If SELinux is installed but not enabled, set the autorelabel flag for
# the next boot...
if [ -e /etc/selinux -a ! -f /.autorelabel ]; then
touch /.autorelabel
fi
fi
}
case "$1" in
start|restart|force-reload)
selinux_relabel
;;
stop)
# No-op
;;
*)
echo "Usage: selinux-autorelabel {start|stop|restart|force-reload}" >&2
exit 3
;;
esac
exit 0