ifupdown-ng/executor-scripts/linux/forward

#!/bin/sh

yesno() {
	case "$1" in
	yes|1)	echo 1 ;;
	*)	echo 0 ;;
	esac
}

[ "$PHASE" != "up" ] && exit 0
[ -z "$VERBOSE" ] || set -x

[ -n "$IF_FORWARD_IPV4" ] && ${MOCK} /bin/sh -c "echo $(yesno $IF_FORWARD_IPV4) > /proc/sys/net/ipv4/conf/$IFACE/forwarding"
[ -n "$IF_FORWARD_IPV6" ] && ${MOCK} /bin/sh -c "echo $(yesno $IF_FORWARD_IPV6) > /proc/sys/net/ipv6/conf/$IFACE/forwarding"

[ -n "$IF_FORWARD_IPV4_MC" ] && ${MOCK} /bin/sh -c "echo $(yesno $IF_FORWARD_IPV4_MC) > /proc/sys/net/ipv4/conf/$IFACE/mc_forwarding"
[ -n "$IF_FORWARD_IPV6_MC" ] && ${MOCK} /bin/sh -c "echo $(yesno $IF_FORWARD_IPV6_MC) > /proc/sys/net/ipv6/conf/$IFACE/mc_forwarding"

exit 0