#!/bin/sh
	
ipv6_up() {
	env | grep -q IF_IPV6_ || return 0

	# IPV6-FLUSH
	if [ "$IF_IPV6_FLUSH" == "1" ] || [ "$IF_IPV6_FLUSH" == "yes" ] || [ "$IF_IPV6_FLUSH" == "YES" ]
	then
	        ip -6 addr flush $IFACE
	        logger -t IPv6 "deactivated IPv6 for interface $IFACE"
	fi
	# IPV6-AUTOCONF
	if [ "$IF_IPV6_AUTOCONF" == "1" ] || [ "$IF_IPV6_AUTOCONF" == "yes" ] || [ "$IF_IPV6_AUTOCONF" == "YES" ]
	then
	        echo 1 > /proc/sys/net/ipv6/conf/$IFACE/autoconf
	        logger -t IPv6 "autoconf enabled for $IFACE"
	fi
	if [ "$IF_IPV6_AUTOCONF" == "0" ] || [ "$IF_IPV6_AUTOCONF" == "no" ] || [ "$IF_IPV6_AUTOCONF" == "NO" ]
	then
	        echo 0 > /proc/sys/net/ipv6/conf/$IFACE/autoconf
	        logger -t IPv6 "autoconf disabled for $IFACE"
	fi
	# IPV6-ACCEPT-RA
	if [ "$IF_IPV6_ACCEPT_RA" == "1" ] || [ "$IF_IPV6_ACCEPT_RA" == "yes" ] || [ "$IF_IPV6_ACCEPT_RA" == "YES" ]
	then
	
	        echo 1 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
	        logger -t IPv6 "accept-ra enabled for $IFACE"
	fi
	if [ "$IF_IPV6_ACCEPT_RA" == "0" ] || [ "$IF_IPV6_ACCEPT_RA" == "no" ] || [ "$IF_IPV6_ACCEPT_RA" == "NO" ]
	then
	        echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
	        logger -t IPv6 "accept-ra disabled for $IFACE"
	fi
	# IPV6-ACCEPT-REDIRECTS
	if [ "$IF_IPV6_ACCEPT_REDIRECTS" == "1" ] || [ "$IF_IPV6_ACCEPT_REDIRECTS" == "yes" ] || [ "$IF_IPV6_ACCEPT_REDIRECTS" == "YES" ]
	then
	
	        echo 1 > /proc/sys/net/ipv6/conf/$IFACE/accept_redirects
	        logger -t IPv6 "accept-redirects enabled for $IFACE"
	fi
	if [ "$IF_IPV6_ACCEPT_REDIRECTS" == "0" ] || [ "$IF_IPV6_ACCEPT_REDIRECTS" == "no" ] || [ "$IF_IPV6_ACCEPT_REDIRECTS" == "NO" ]
	then
	        echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_redirects
	        logger -t IPv6 "accept-redirects disabled for $IFACE"
	fi
	# IPV6-FORWARDING
	if [ "$IF_IPV6_FORWARDING" == "1" ] || [ "$IF_IPV6_FORWARDING" == "yes" ] || [ "$IF_IPV6_FORWARDING" == "YES" ]
	then
	
	        echo 1 > /proc/sys/net/ipv6/conf/$IFACE/forwarding
	        logger -t IPv6 "forwarding enabled for $IFACE"
	fi
	if [ "$IF_IPV6_FORWARDING" == "0" ] || [ "$IF_IPV6_FORWARDING" == "no" ] || [ "$IF_IPV6_FORWARDING" == "NO" ]
	then
	        echo 0 > /proc/sys/net/ipv6/conf/$IFACE/forwarding
	        logger -t IPv6 "forwarding disabled for $IFACE"
	fi
	# IPV6-USE-TEMPADDR
	if [ "$IF_IPV6_USE_TEMPADDR" == "1" ] || [ "$IF_IPV6_USE_TEMPADDR" == "yes" ] || [ "$IF_IPV6_USE_TEMPADDR" == "YES" ]
	then
	
	        echo 1 > /proc/sys/net/ipv6/conf/$IFACE/use_tempaddr
	        logger -t IPv6 "use_tempaddr enabled for $IFACE"
	fi
	if [ "$IF_IPV6_USE_TEMPADDR" == "0" ] || [ "$IF_IPV6_USE_TEMPADDR" == "no" ] || [ "$IF_IPV6_USE_TEMPADDR" == "NO" ]
	then
	        echo 0 > /proc/sys/net/ipv6/conf/$IFACE/use_tempaddr
	        logger -t IPv6 "use_tempaddr disabled for $IFACE"
	fi
}