#!/sbin/runscript

RULES_D="/etc/iptables_rules.bak"
RULES="/etc/iptables_rules"

for IP in $(ifconfig | sed -n '/Mask:255\.255\.255/p' | awk '{print $2}' | awk -F : '{print $2}' | sed 's/\./\\\./g')
	do
		IP_RULES=${IP_RULES}"-A icmp_packets -s ${IP} -p icmp -m icmp --icmp-type 8 -j ACCEPT\n"
	done


depend() {
	need iptables
}

checkconfig() {
	if [ ! -f ${RULES_D} ] ; then
		eerror "You must give your default firewall rules in /etc/iptables_rules.bak"
		return 1
	fi

}

start() {
	checkconfig || return 1
    
	ebegin "Add local IP to firewall"
    		sed  "s/-A icmp_packets -s 127\.0\.0\.1 -p icmp -m icmp --icmp-type 8 -j ACCEPT/${IP_RULES}/" ${RULES_D} > ${RULES}
		iptables-restore ${RULES}

    	eend $?
}

stop() {
	ebegin "Remove local IP from firewall"
		iptables-restore ${RULES_D}
	eend $?
}