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Diffstat (limited to 'recipes/udev/files/network.sh')
| -rw-r--r-- | recipes/udev/files/network.sh | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/recipes/udev/files/network.sh b/recipes/udev/files/network.sh new file mode 100644 index 0000000000..182c26d86a --- /dev/null +++ b/recipes/udev/files/network.sh @@ -0,0 +1,58 @@ +#!/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 |