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-rw-r--r--meta/recipes-core/udev/udev-extraconf/network.sh54
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diff --git a/meta/recipes-core/udev/udev-extraconf/network.sh b/meta/recipes-core/udev/udev-extraconf/network.sh
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1#!/bin/sh
2
3# We get two "add" events for hostap cards due to wifi0
4echo "$INTERFACE" | grep -q wifi && exit 0
5
6# udevd does clearenv(). Export shell PATH to children.
7export PATH
8
9# Check if /etc/init.d/network has been run yet to see if we are
10# called by starting /etc/rcS.d/S03udev and not by hotplugging a device
11#
12# At this stage, network interfaces should not be brought up
13# automatically because:
14# a) /etc/init.d/network has not been run yet (security issue)
15# b) /var has not been populated yet so /etc/resolv,conf points to
16# oblivion, making the network unusable
17#
18
19spoofp="`grep ^spoofprotect /etc/network/options`"
20if test -z "$spoofp"
21then
22 # This is the default from /etc/init.d/network
23 spoofp_val=yes
24else
25 spoofp_val=${spoofp#spoofprotect=}
26fi
27
28test "$spoofp_val" = yes && spoofp_val=1 || spoofp_val=0
29
30# I think it is safe to assume that "lo" will always be there ;)
31if test "`cat /proc/sys/net/ipv4/conf/lo/rp_filter`" != "$spoofp_val" -a -n "$spoofp_val"
32then
33 echo "$INTERFACE" >> /dev/udev_network_queue
34 exit 0
35fi
36
37#
38# Code taken from pcmcia-cs:/etc/pcmcia/network
39#
40
41# if this interface has an entry in /etc/network/interfaces, let ifupdown
42# handle it
43if grep -q "iface \+$INTERFACE" /etc/network/interfaces; then
44 case $ACTION in
45 add)
46 ifconfig | grep -q "^$INTERFACE" || ifup $INTERFACE
47 ;;
48 remove)
49 ifdown $INTERFACE
50 ;;
51 esac
52
53 exit 0
54fi