75 lines
2.5 KiB
Bash
75 lines
2.5 KiB
Bash
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#!/bin/sh
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# $KAME: prefix.sh,v 1.12 2001/05/26 23:38:10 itojun Exp $
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# $FreeBSD$
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# Copyright (c) 2001 WIDE Project. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the project nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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iface=$1
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prefix=$2
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usage() {
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echo "usage: prefix interface prefix [set|delete]"
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}
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# We're now invalidating the prefix ioctls and the corresponding command.
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echo "** The prefix command is almost invalidated. Please use ifconfig(8). **"
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if [ X"$iface" = X -o X"$prefix" = X ]; then
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usage
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exit 1
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fi
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if [ -z $3 ]; then
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command=set
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else
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command=$3
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fi
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case $command in
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set)
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laddr=`ifconfig $iface inet6 | grep 'inet6 fe80:' | head -1 | awk '{print $2}'`
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if [ X"$laddr" = X ]; then
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echo "prefix: no interface ID found"
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exit 1
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fi
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hostid=`echo $laddr | sed -e 's/^fe80:[0-9a-fA-F]*:/fe80::/' -e 's/^fe80:://' -e 's/%.*//'`
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address=$2$hostid
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exec ifconfig $iface inet6 $address prefixlen 64 alias
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;;
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delete)
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addrs=`ifconfig $iface inet6 | grep "inet6 $prefix" | awk '{print $2}'`
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for a in $addrs; do
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ifconfig $iface inet6 $a -alias
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done
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;;
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*)
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usage
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exit 1
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;;
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esac
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