#!/bin/zsh

if [ -z "$1" ] || [ -z "$2" ] ; then 
	echo "Usage: sudo /usr/local/bin/$(basename $0) <cdimage> <mountpoint>"
	echo "with <mountpoint> in /gaf/self/tmp"
	exit -1
fi

FILE=$(/usr/bin/readlink -m -n "$1")
MNT=$(/usr/bin/readlink -m -n "$2")

if ! [ -d $MNT ] ; then
	echo "$MNT is not a directory"
	exit -1
fi

if ! [ -f $FILE ] ; then
	echo "$FILE does not exist"
	exit -1
fi

if ! $(echo "$MNT" | egrep "^/gaf/self/tmp/[^\w]+") ; then
	echo "mountpoint not in /gaf/self/tmp"
	exit -1
fi

/bin/mount -o loop,ro,nodev,noexec,nosuid "$FILE" "$MNT"