#!/sbin/sh
#
# Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
#

. /lib/svc/share/smf_include.sh

# Read timezone from SMF service instance
timezone=$(/usr/bin/svcprop -p timezone/localtime $SMF_FMRI)

if [ -z "$timezone" -o "$timezone" = '""' ]; then
	echo "ERROR: timezone/localtime missing or not set"
	exit $SMF_EXIT_ERR_CONFIG
fi


# Set Timezone
set_timezone()
{
	# Avoid localtime symlink cycle
	if [ "$1" = "localtime" ]; then
		echo "ERROR: timezone/localtime should not be set to 'localtime'"
		exit $SMF_EXIT_ERR_CONFIG
	fi

	# zic repoints the localtime symlink.
	/usr/sbin/zic -l $1

	if [ $? -ne 0 ]; then
		exit $SMF_EXIT_ERR_FATAL
	fi

}

case $1 in
start)

	set_timezone $timezone

	# Initial timezone cache file at boot time.
	/usr/sbin/tzreload -I

	;;

refresh)

	set_timezone $timezone

	# Reload Timezone Cache
	/usr/sbin/tzreload

	;;

unconfigure)
	set_timezone UTC

	# Reset timezone property to its default value
	/usr/sbin/svccfg -s $SMF_FMRI delcust

	if [ $? -ne 0 ]; then
		echo "Failed to unroll administrative customizations for $SMF_FMRI"
		exit $SMF_EXIT_ERR_FATAL
	fi

	/usr/sbin/svcadm refresh $SMF_FMRI

	# Reload Timezone Cache
	/usr/sbin/tzreload

	;;

*)
	echo "Usage: $0 { start | refresh }"
	;;

esac

exit $SMF_EXIT_OK