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#!/bin/bash
#
# livecd-isomd5sum	Check ISO-implanted MD5 sum
#
# chkconfig: 345 99 01
# description: checkisomd5 wrapper for live images

# Do not load RH compatibility interface.
WITHOUT_RC_COMPAT=1

# Source function library.
. /etc/init.d/functions

LOCKFILE=/var/lock/subsys/livecd-isomd5sum
RETVAL=3

# live environment boot device is expected to be mounted at /image
get_dev()
{
	awk '/\W\/image\W/ { print $1; exit; }' /proc/mounts || exit 1
}

# /etc/rc.d/rc: "action " please
start()
{
	local dev="`get_dev`"
	[ -n "$dev" ] || return 1
	echo -n "Verifying ISO MD5 sum for $dev: none"
	while read i; do
		case "$i" in
		[0-9]*) echo -ne "\b\b\b\b"; printf '%3s%%' $i;;
		*PASS.) echo_success; RETVAL=0;;
		*FAIL.) echo_failure; RETVAL=1;;
		*NA.)   echo_passed; RETVAL=2;;
		esac
	done < <(checkisomd5 --gauge "$dev" 2>&1)	# hence bash
	echo
	return $RETVAL
}

# See how we were called.
case "$1" in
	start|restart|reload|condrestart|condreload)
		start
		;;
	stop|condstop)
		RETVAL=0
		;;
	status)
		checkisomd5 --md5sumonly "`get_dev`"
		RETVAL=$?
		;;
	*)
		msg_usage "${0##*/} {start|status}"
		RETVAL=1
esac

exit $RETVAL