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//etc/avahi/avahi-autoipd.action

#!/bin/sh

# $Id: avahi-autoipd.action 1319 2006-09-04 18:10:26Z lennart $
#
# This file is part of avahi.
# 
# avahi is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# avahi is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
# License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with avahi; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA.

set -e

# Command line arguments:
#   $1 event that happened:
#          BIND:     Successfully claimed address
#          CONFLICT: An IP address conflict happened
#          UNBIND:   The IP address is no longer needed
#          STOP:     The daemon is terminating
#   $2 interface name
#   $3 IP adddress

if [ -x /bin/ip -o -x /sbin/ip ] ; then

# We have the Linux ip tool from the iproute package

case "$1" in
        BIND)
            ip addr add "$3"/16 brd 169.254.255.255 label "$2:avahi" scope link dev "$2" 
            ;;

CONFLICT|UNBIND|STOP)
            ip addr del "$3"/16 brd 169.254.255.255 label "$2:avahi" scope link dev "$2" 
            ;;

*)
            echo "Unknown event $1" >&2
            exit 1
            ;;
    esac

elif [ -x /bin/ifconfig -o -x /sbin/ifconfig ] ; then

# We have the old ifconfig tool

case "$1" in
        BIND)
            ifconfig "$2:3" inet "$3" netmask 255.255.0.0 broadcast 169.254.255.255 up
            ;;

CONFLICT|STOP|UNBIND)
            ifconfig "$2:3" down
            ;;

*)
            echo "Unknown event $1" >&2
            exit 1
            ;;
    esac

else

echo "No network configuration tool found." >&2
    exit 1

exit 0