Annotation of embedaddon/arping/extra/arping-scan-net.sh, revision 1.1
1.1 ! misho 1: #!/bin/sh
! 2: # arping-scan-net.sh
! 3: #
! 4: # Copyright (C) 2002 Thomas Habets <thomas@habets.pp.se>
! 5: #
! 6: # This library is free software; you can redistribute it and/or
! 7: # modify it under the terms of the GNU General Public
! 8: # License as published by the Free Software Foundation; either
! 9: # version 2 of the License, or (at your option) any later version.
! 10: #
! 11: # This library is distributed in the hope that it will be useful,
! 12: # but WITHOUT ANY WARRANTY; without even the implied warranty of
! 13: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! 14: # General Public License for more details.
! 15: #
! 16: # You should have received a copy of the GNU General Public License along
! 17: # with this program; if not, write to the Free Software Foundation, Inc.,
! 18: # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
! 19: #
! 20:
! 21: trap "exit 0" INT
! 22:
! 23: if [ "$1" = "" ]; then
! 24: echo
! 25: echo "Usage: $0 <mac address>"
! 26: echo ""
! 27: echo " Sorry, it's not more configurable than that, edit the source"
! 28: echo
! 29: exit 1
! 30: fi
! 31: TARGET_MAC="$1"
! 32:
! 33: # seq doesnt exist on some retarded boxen, comment out if your box is too
! 34: # stupid to have bc and/or tr
! 35: seq() { echo "for (i=$1; i<=$2; i++) i;" | bc | tr "\012" " "; }
! 36:
! 37: #
! 38: # first number after 'seq' is range start, second is range end
! 39: #
! 40: # default is [192-192].[168-168].[0-0].[0-255]
! 41: #
! 42: #
! 43: # I may put this functionality into ARPing one day if people seem to like it.
! 44: #
! 45: for a in $(seq 192 192); do
! 46: for b in $(seq 168 168); do
! 47: for c in $(seq 0 0); do
! 48: for d in $(seq 0 255); do
! 49: sh -c "arping -A -q -c 1 -T $a.$b.$c.$d $TARGET_MAC
! 50: if [ \$? = 0 ]; then
! 51: echo Got answer with address: $a.$b.$c.$d
! 52: fi" &
! 53: done
! 54: wait
! 55: done
! 56: done
! 57: done
! 58: #exit 1
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