3 # $KAME: prefix.sh,v 1.12 2001/05/26 23:38:10 itojun Exp $
6 # Copyright (c) 2001 WIDE Project. All rights reserved.
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9 # modification, are permitted provided that the following conditions
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12 # notice, this list of conditions and the following disclaimer.
13 # 2. Redistributions in binary form must reproduce the above copyright
14 # notice, this list of conditions and the following disclaimer in the
15 # documentation and/or other materials provided with the distribution.
16 # 3. Neither the name of the project nor the names of its contributors
17 # may be used to endorse or promote products derived from this software
18 # without specific prior written permission.
20 # THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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36 echo "usage: prefix interface prefix [set|delete]"
39 # We're now invalidating the prefix ioctls and the corresponding command.
40 echo "** The prefix command is almost invalidated. Please use ifconfig(8). **"
42 if [ X"$iface" = X -o X"$prefix" = X ]; then
55 laddr=`ifconfig $iface inet6 | grep 'inet6 fe80:' | head -1 | awk '{print $2}'`
56 if [ X"$laddr" = X ]; then
57 echo "prefix: no interface ID found"
60 hostid=`echo $laddr | sed -e 's/^fe80:[0-9a-fA-F]*:/fe80::/' -e 's/^fe80:://' -e 's/%.*//'`
62 exec ifconfig $iface inet6 $address prefixlen 64 alias
65 addrs=`ifconfig $iface inet6 | grep "inet6 $prefix" | awk '{print $2}'`
67 ifconfig $iface inet6 $a -alias