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-rw-r--r--recipes/udev/files/network.sh58
1 files changed, 58 insertions, 0 deletions
diff --git a/recipes/udev/files/network.sh b/recipes/udev/files/network.sh
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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