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#!/bin/sh
# arping-scan-net.sh
#
# Copyright (C) 2002 Thomas Habets <thomas@habets.pp.se>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
trap "exit 0" INT
if [ "$1" = "" ]; then
echo
echo "Usage: $0 <mac address>"
echo ""
echo " Sorry, it's not more configurable than that, edit the source"
echo
exit 1
fi
TARGET_MAC="$1"
# seq doesnt exist on some retarded boxen, comment out if your box is too
# stupid to have bc and/or tr
seq() { echo "for (i=$1; i<=$2; i++) i;" | bc | tr "\012" " "; }
#
# first number after 'seq' is range start, second is range end
#
# default is [192-192].[168-168].[0-0].[0-255]
#
#
# I may put this functionality into ARPing one day if people seem to like it.
#
for a in $(seq 192 192); do
for b in $(seq 168 168); do
for c in $(seq 0 0); do
for d in $(seq 0 255); do
sh -c "arping -A -q -c 1 -T $a.$b.$c.$d $TARGET_MAC
if [ \$? = 0 ]; then
echo Got answer with address: $a.$b.$c.$d
fi" &
done
wait
done
done
done
#exit 1
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