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#!/bin/bash
# $Header: /var/local/cvs/debian/ifupdown-scripts-zg2/scripts/ifupdown-scripts-zg2.d/redirects,v 1.1 2004/09/12 18:00:04 mh Exp $
# IFACE = Logical interface name
# MODE = start | stop
# METHOD = manual, otherwise exit!
# IF_DEVICE = device to be used
# IF_ACCEPT_REDIRECTS = 0/1 - should this interface accept redirects
# IF_SEND_REDIRECTS = 0/1 - should this interface issue redirects
. /etc/network/ifupdown-scripts-zg2.d/common-functions
# set_bool_value key{0/1} value, where key is a path in
# /proc/sys/net/ipv4/conf/$IF_DEVICE
set_bool_value()
{
KEY="$1"
VAL="$2"
[ -z "$VAL" ] && exit 0
IFACEDIR="/proc/sys/net/ipv4/conf/$IF_DEVICE"
if ! echo $VAL | grep -s -q '\(0\|1\)'; then
abort "no valid value $VAL for key $KEY"
fi
if [ -e "$IFACEDIR/$KEY" ]; then
echo $VAL > $IFACEDIR/$KEY
else
abort "No such key $KEY in $IFACEDIR for $IF_DEVICE"
fi
}
case "$MODE" in
start)
set_bool_value "accept_redirects" "$IF_ACCEPT_REDIRECTS"
set_bool_value "send_redirects" "$IF_SEND_REDIRECTS"
;;
*)
;;
esac
# end of file
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