#!/bin/sh

. web-splash.conf

get_IPs()
# prints out all active forwards line by line
# every line consists of: "Number of Packets" and "IP"
{
	iptables -L "$SPLASH_CHAIN" -vnx | sed "1,2d; s/  */ /g" | cut -d " " -f 2,9
	# get all active forward chains
	# remove the first two lines
	# remove multiple spaces
	# take only the number of packets and the IP
}


register_IP()
# add a new allowed IP
{
	`echo "$RULE_ADD" | sed "s/_IP_/$1/g"`
}


unregister_IP()
# remove the specified IP
{
	`echo "$RULE_DEL" | sed "s/_IP_/$1/g"`
}


refresh_IP_list()
{
	local NUM
	local IP
	get_IPs | while read NUM IP
		do	[ "$NUM" = "0" ] && remove_IP "$IP"
	  done
}

refresh_IP_list