Goal:
From my backup box on my local network, knowing the Wifi MAC address of my laptop, I would like to dynamically identify which ip address is attributed to my laptop.
The aim is to store this ip address in a local variable and that this information is retrieved by another backup script
Problem:
Calling the command nmap, as root user I want to write a script that will extract the ip address from the MAC address of my laptop.
Question:
How would you do that and with which script language?
Shell, perl, python?
Example:
from the result of nmap and with the MAC address X1:X2:3X:X4:X5:Y6, I want to extract:
Many thanks for any input!
Keep up the good work.
Cheers,
Last edited by Scrutinizer; 10-30-2014 at 05:57 AM..
Reason: code tags
Hi sir,
i want to make such programe which takes MAC(Ethernet) address of any host & give me its IP address.......
but i'm nt getting that how i can pass the MAC address to Frame........
Please give me an idea for making such program...
Thanks & regards
Krishna (3 Replies)
Hi
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Hi there
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Hy every body,
Unfortunately and without success, i want to write a bash script who maps a known IP addess to a known MAC address using iptables and for the FORWARD chain.
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Discussion started by: hermouche
11 Replies
LEARN ABOUT DEBIAN
net::arp
ARP(3pm) User Contributed Perl Documentation ARP(3pm)NAME
ARP - Perl extension for creating ARP packets
SYNOPSIS
use Net::ARP;
Net::ARP::send_packet('lo', # Device
'127.0.0.1', # Source IP
'127.0.0.1', # Destination IP
'aa:bb:cc:aa:bb:cc', # Source MAC
'aa:bb:cc:aa:bb:cc', # Destinaton MAC
'reply'); # ARP operation
$mac = Net::ARP::get_mac("eth0");
print "$mac
";
$mac = Net::ARP::arp_lookup($dev,"192.168.1.1");
print "192.168.1.1 has got mac $mac
";
IMPORTANT
Version 1.0 will break with the API of PRE-1.0 versions, because the return value of arp_lookup() and get_mac() will no longer be passed as
parameter, but returned! I hope this decision is ok as long as we get a cleaner and more perlish API.
DESCRIPTION
This module can be used to create and send ARP packets and to get the mac address of an ethernet interface or ip address.
send_packet()
Net::ARP::send_packet('lo', # Device
'127.0.0.1', # Source IP
'127.0.0.1', # Destination IP
'aa:bb:cc:aa:bb:cc', # Source MAC
'aa:bb:cc:aa:bb:cc', # Destinaton MAC
'reply'); # ARP operation
I think this is self documentating.
ARP operation can be one of the following values:
request, reply, revrequest, revreply, invrequest, invreply.
The default ARP operation is reply.
get_mac()
$mac = Net::ARP::get_mac("eth0");
This gets the MAC address of the eth0 interface and stores
it in the variable $mac. The return value is "unknown" if
the mac cannot be looked up.
arp_lookup()
$mac = Net::ARP::arp_lookup($dev,"192.168.1.1");
This looks up the MAC address for the ip address 192.168.1.1
and stores it in the variable $mac. The return value is
"unknown" if the mac cannot be looked up.
SEE ALSO
man -a arp
AUTHOR
Bastian Ballmann [ Balle@chaostal.de ]
http://www.datenterrorist.de
COPYRIGHT AND LICENSE
Copyright (C) 2004-2007 by Bastian Ballmann
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.1 or,
at your option, any later version of Perl 5 you may have available.
perl v5.14.2 2009-04-24 ARP(3pm)