2007-04-05 16:48:42 +05:30
|
|
|
# Copyright 2004-2007 Gentoo Foundation
|
2007-11-14 20:52:04 +05:30
|
|
|
# Copyright 2007 Roy Marples
|
|
|
|
|
# All rights reserved
|
|
|
|
|
|
|
|
|
|
# Redistribution and use in source and binary forms, with or without
|
|
|
|
|
# modification, are permitted provided that the following conditions
|
|
|
|
|
# are met:
|
|
|
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
|
|
|
# notice, this list of conditions and the following disclaimer.
|
|
|
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
|
|
|
# documentation and/or other materials provided with the distribution.
|
|
|
|
|
#
|
|
|
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
|
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
|
# SUCH DAMAGE.
|
2007-04-05 16:48:42 +05:30
|
|
|
|
|
|
|
|
apipa_depend() {
|
|
|
|
|
program /sbin/arping
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
_random() {
|
2007-11-28 21:15:03 +05:30
|
|
|
local r=${RANDOM}
|
|
|
|
|
if [ -n "${r}" ]; then
|
|
|
|
|
echo "${r}"
|
2007-04-05 16:48:42 +05:30
|
|
|
else
|
|
|
|
|
uuidgen | sed -n -e 's/[^[:digit:]]//g' -e 's/\(^.\{1,7\}\).*/\1/p'
|
|
|
|
|
fi
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
apipa_start() {
|
|
|
|
|
local iface="$1" i1= i2= addr= i=0
|
|
|
|
|
|
|
|
|
|
_exists true || return 1
|
|
|
|
|
|
|
|
|
|
einfo "Searching for free addresses in 169.254.0.0/16"
|
|
|
|
|
eindent
|
|
|
|
|
|
|
|
|
|
while [ ${i} -lt 64516 ]; do
|
|
|
|
|
i1=$((($(_random) % 255) + 1))
|
|
|
|
|
i2=$((($(_random) % 255) + 1))
|
|
|
|
|
|
|
|
|
|
addr="169.254.${i1}.${i2}"
|
|
|
|
|
vebegin "${addr}/16"
|
2007-11-28 21:15:03 +05:30
|
|
|
if ! arping_address "${addr}"; then
|
2007-04-05 16:48:42 +05:30
|
|
|
eval config_${config_index}="\"${addr}/16 broadcast 169.254.255.255\""
|
|
|
|
|
config_index=$((${config_index} - 1))
|
|
|
|
|
veend 0
|
|
|
|
|
eoutdent
|
|
|
|
|
return 0
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
i=$((${i} + 1))
|
|
|
|
|
done
|
|
|
|
|
|
|
|
|
|
eerror "No free address found!"
|
|
|
|
|
eoutdent
|
|
|
|
|
return 1
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
# vim: set ts=4 :
|
