busybox/examples/zcip.script
Thomas Petazzoni 98aeabe792 zcip.script: fix $ip environment variable
The environment variable containing the IP address allocated by zcip
is "ip" and not "IP".

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-08-09 04:41:00 +02:00

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#!/bin/sh
# only for use as a "zcip" callback script
if [ "x$interface" = x ]
then
exit 1
fi
# zcip should start on boot/resume and various media changes
case "$1" in
init)
# for now, zcip requires the link to be already up,
# and it drops links when they go down. that isn't
# the most robust model...
exit 0
;;
config)
if [ "x$ip" = x ]
then
exit 1
fi
# remember $ip for $interface, to use on restart
if [ "x$ip" != x -a -w "$ip.$interface" ]
then
echo $ip > "$ip.$interface"
fi
exec ip address add dev $interface \
scope link local "$ip/16" broadcast +
;;
deconfig)
if [ x$ip = x ]
then
exit 1
fi
exec ip address del dev $interface local $ip
;;
esac
exit 1