init.selinux_restore.sh

#!/system/bin/sh
# Copyright (c) 2012, The Linux Foundation. All rights reserved.
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# No path is set up at this point so we have to do it here.
PATH=/sbin:/system/sbin:/system/bin:/system/xbin
export PATH

# **** WARNING *****
# This runs in a single-threaded, critical path portion
# of the Android bootup sequence.  This is to guarantee
# all necessary system partition fixups are done before
# the rest of the system starts up.  Run any non-
# timing critical tasks in a separate process to
# prevent slowdown at boot.

mount_need=false;
echo "init:init.selinux_restore.sh: starting " > /dev/kmsg

if [ ! -f /system/etc/selinux_restore ];then
  setenforce 0 
# This should be the first command
# remount system as read-write.
  mount -o rw,remount,barrier=1 /system
  mount_need=true;

# Run restore context
  restorecon -R /cache
  restorecon -R /system
  restorecon -R /data
  echo "init: init.selinux_restore.sh: restorecon done" > /dev/kmsg
fi

if $mount_need ;then
# This should be the last command
# remount system as read-only.
  mount -o ro,remount,barrier=1 /system
# echo "mount -o ro,remount,barrier=1 /system" > /dev/kmsg
fi