#!/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