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