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#!/bin/sh
# udevd does clearenv(). Export shell PATH to children.
export PATH
# Do not run when pcmcia-cs is installed
test -x /sbin/cardctl && exit 0
# We get two "add" events for hostap cards due to wifi0
echo "$INTERFACE" | grep -q wifi && exit 0
# Check if /etc/init.d/network has been run yet to see if we are
# called by starting /etc/rcS.d/S03udev and not by hotplugging a device
#
# At this stage, network interfaces should not be brought up
# automatically because:
# a) /etc/init.d/network has not been run yet (security issue)
# b) /var has not been populated yet so /etc/resolv,conf points to
# oblivion, making the network unusable
#
spoofp="`grep ^spoofprotect /etc/network/options`"
if test -z "$spoofp"
then
# This is the default from /etc/init.d/network
spoofp_val=yes
else
spoofp_val=${spoofp#spoofprotect=}
fi
test "$spoofp_val" = yes && spoofp_val=1 || spoofp_val=0
# I think it is safe to assume that "lo" will always be there ;)
if test "`cat /proc/sys/net/ipv4/conf/lo/rp_filter`" != "$spoofp_val" -a -n "$spoofp_val"
then
echo "$INTERFACE" >> /dev/udev_network_queue
exit 0
fi
#
# Code taken from pcmcia-cs:/etc/pcmcia/network
#
# if this interface has an entry in /etc/network/interfaces, let ifupdown
# handle it
if grep -q "iface \+$INTERFACE" /etc/network/interfaces; then
case $ACTION in
add)
ifconfig | grep -q "^$INTERFACE" || ifup $INTERFACE
;;
remove)
ifdown $INTERFACE
;;
esac
exit 0
fi
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