diff options
Diffstat (limited to 'meta/recipes-core/udev/udev-extraconf/network.sh')
-rw-r--r-- | meta/recipes-core/udev/udev-extraconf/network.sh | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/meta/recipes-core/udev/udev-extraconf/network.sh b/meta/recipes-core/udev/udev-extraconf/network.sh new file mode 100644 index 0000000000..3ee92714af --- /dev/null +++ b/meta/recipes-core/udev/udev-extraconf/network.sh | |||
@@ -0,0 +1,54 @@ | |||
1 | #!/bin/sh | ||
2 | |||
3 | # We get two "add" events for hostap cards due to wifi0 | ||
4 | echo "$INTERFACE" | grep -q wifi && exit 0 | ||
5 | |||
6 | # udevd does clearenv(). Export shell PATH to children. | ||
7 | export PATH | ||
8 | |||
9 | # Check if /etc/init.d/network has been run yet to see if we are | ||
10 | # called by starting /etc/rcS.d/S03udev and not by hotplugging a device | ||
11 | # | ||
12 | # At this stage, network interfaces should not be brought up | ||
13 | # automatically because: | ||
14 | # a) /etc/init.d/network has not been run yet (security issue) | ||
15 | # b) /var has not been populated yet so /etc/resolv,conf points to | ||
16 | # oblivion, making the network unusable | ||
17 | # | ||
18 | |||
19 | spoofp="`grep ^spoofprotect /etc/network/options`" | ||
20 | if test -z "$spoofp" | ||
21 | then | ||
22 | # This is the default from /etc/init.d/network | ||
23 | spoofp_val=yes | ||
24 | else | ||
25 | spoofp_val=${spoofp#spoofprotect=} | ||
26 | fi | ||
27 | |||
28 | test "$spoofp_val" = yes && spoofp_val=1 || spoofp_val=0 | ||
29 | |||
30 | # I think it is safe to assume that "lo" will always be there ;) | ||
31 | if test "`cat /proc/sys/net/ipv4/conf/lo/rp_filter`" != "$spoofp_val" -a -n "$spoofp_val" | ||
32 | then | ||
33 | echo "$INTERFACE" >> /dev/udev_network_queue | ||
34 | exit 0 | ||
35 | fi | ||
36 | |||
37 | # | ||
38 | # Code taken from pcmcia-cs:/etc/pcmcia/network | ||
39 | # | ||
40 | |||
41 | # if this interface has an entry in /etc/network/interfaces, let ifupdown | ||
42 | # handle it | ||
43 | if grep -q "iface \+$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 | ||
54 | fi | ||