#!/bin/bash
#set -x
#Usage:


rule=""
wwpn=""
targetwwpn=""
vtl=""

print_usage() {
	echo "Usage:"
	echo "deletefcrules.sh -w <wwpn> will delete rules for the specified wwpn"
	echo "deletefcrules.sh -t <targetwwpn> will delete rules for the specified target wwpn"
	echo "deletefcrules.sh -v <vtl> will delete rules for the specified VTL"
	echo "deletefcrules.sh -a will delete all rules"
}

export PATH="/quadstorvtl/bin:/quadstorvtl/quadstor/scctl:$PATH"
while getopts "v:w:r:t:ah" opt; do
	case $opt in
	w)
		wwpn="$OPTARG"
		rule="All"
		targetwwpn="All"
		vtl="All"
		;;
	t)
		targetwwpn="$OPTARG"
		rule="All"
		wwpn="All"
		vtl="All"
		;;
	v)
		vtl="$OPTARG"
		rule="All"
		wwpn="All"
		targetwwpn="All"
		;;
	r)
		rule="$OPTARG"
		wwpn="All"
		targetwwpn="All"
		vtl="All"
		;;
	a)
		rule="All"
		wwpn="All"
		targetwwpn="All"
		vtl="All"
		;;
	h)
		print_usage
		exit 0
	esac
done

if [ "$rule" = "" ]; then
	print_usage
	exit 1
fi

if [ "$rule" = "Deny" ]; then
	rule="Disallow"
fi

rules=`fcconfig -l | sed -n '1!p'`
 
while read -r line; do
	_wwpn=`echo $line | awk '{print $1}'`
	_targetwwpn=`echo $line | awk '{print $2}'`
	_rule=`echo $line | awk '{print $3}'`
	_vtl=`echo $line | awk '{print $4}'`
	_drive=`echo $line | awk '{print $5}'`

	if [ "$_rule" = "Deny" ]; then
		_rule="Disallow"
	fi

	if [ "$wwpn" != "All" ]; then
		if [ "$_wwpn" != "$wwpn" ]; then
			continue
		fi
	elif [ "$targetwwpn" != "All" ]; then
		if [ "$_targetwwpn" != "$targetwwpn" ]; then
			continue
		fi 
	elif [ "$vtl" != "All" ]; then
		if [ "$_vtl" != "$vtl" ]; then
			continue
		fi
	elif [ "$rule" != "All" ]; then
		if [ "$_rule" != "$rule" ]; then
			continue
		fi
	fi
	str="fcconfig -x -r $_rule"
	if [ "$_wwpn" != "All" ]; then
		str="$str -w $_wwpn"
	fi
	if [ "$_targetwwpn" != "All" ]; then
		str="$str -t $_targetwwpn"
	fi
	if [ "$_vtl" != "All" ]; then
		str="$str -v $_vtl"
	fi
	if [ "$_drive" != "0" ]; then
		str="$str -d $_drive"
	fi
	echo "Exec $str"
	$str
done <<< "$rules"