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# Copyright (c) 2004-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# Contributed by Roy Marples (uberlord@gentoo.org)
# void apipa_depend(void)
#
# Sets up the dependancies for the module
apipa_depend() {
installed arping
functions interface_exists
}
# bool apipa_start(char *iface)
#
# Tries to detect a config based on arpinging things
apipa_start() {
local iface="$1" i1 i2 addr i=0
interface_exists "$1" true || return 1
einfo "Searching for free addresses in 169.254.0.0/16"
eindent
while [[ ${i} -lt 64516 ]]; do
(( i1=${RANDOM}%255 ))
(( i2=${RANDOM}%255 ))
addr="169.254.${i1}.${i2}"
vebegin "${addr}/16"
if ! arping_address_exists "${iface}" "${addr}" ; then
config[config_counter]="${addr}/16 broadcast 169.254.255.255"
(( config_counter-- ))
veend 0
eoutdent
return 0
fi
(( i++ ))
done
eerror "No free address found!"
eoutdent
return 1
}
# vim: set ts=4 :
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