88 lines
2.5 KiB
Bash
Executable File
88 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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# This file is part of avahi.
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#
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# avahi is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at your option) any later version.
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#
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# avahi is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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# License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with avahi; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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# USA.
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set -e
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# Command line arguments:
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# $1 event that happened:
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# BIND: Successfully claimed address
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# CONFLICT: An IP address conflict happened
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# UNBIND: The IP address is no longer needed
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# STOP: The daemon is terminating
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# $2 interface name
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# $3 IP adddress
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PATH="$PATH:/usr/bin:/usr/sbin:/bin:/sbin"
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# Use a different metric for each interface, so that we can set
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# identical routes to multiple interfaces.
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METRIC=$((1000 + `cat "/sys/class/net/$2/ifindex" 2>/dev/null || echo 0`))
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if [ -x /bin/ip -o -x /sbin/ip ] ; then
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# We have the Linux ip tool from the iproute package
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case "$1" in
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BIND)
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ip addr add "$3"/16 brd 169.254.255.255 label "$2:avahi" scope link dev "$2"
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ip route add default dev "$2" metric "$METRIC" scope link ||:
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;;
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CONFLICT|UNBIND|STOP)
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ip route del default dev "$2" metric "$METRIC" scope link ||:
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ip addr del "$3"/16 brd 169.254.255.255 label "$2:avahi" scope link dev "$2"
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;;
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*)
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echo "Unknown event $1" >&2
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exit 1
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;;
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esac
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elif [ -x /bin/ifconfig -o -x /sbin/ifconfig ] ; then
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# We have the old ifconfig tool
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case "$1" in
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BIND)
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ifconfig "$2:avahi" inet "$3" netmask 255.255.0.0 broadcast 169.254.255.255 up
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route add default dev "$2:avahi" metric "$METRIC" ||:
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;;
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CONFLICT|STOP|UNBIND)
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route del default dev "$2:avahi" metric "$METRIC" ||:
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ifconfig "$2:avahi" down
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;;
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*)
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echo "Unknown event $1" >&2
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exit 1
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;;
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esac
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else
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echo "No network configuration tool found." >&2
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exit 1
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fi
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exit 0
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