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mac_changer.py
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mac_changer.py
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#!/usr/bin/env python
import subprocess
import optparse
import re
def get_agruments():
parser = optparse.OptionParser()
parser.add_option("-i", "--interface", dest="interface", help="Interface to change its mac address")
parser.add_option("-m", "--mac", dest="new_mac", help="NEW mac address")
(options, arguments) = parser.parse_args()
if not options.interface:
parser.error("[-] please specify an interface, use --help for more info.")
elif not options.new_mac:
parser.error("[-] please specify a new mac, use --help for more info.")
return options
def change_mac(interface , new_mac):
print("[+] Changing MAC address for " + interface + "to " + new_mac)
subprocess.call(["ifconfig", interface, "down"])
subprocess.call(["ifconfig", interface, "ether", new_mac])
subprocess.call(["ifconfig", interface, "up"])
def get_current_mac(interface):
ifconfig_result = subprocess.check_output(["ifconfig", interface])
mac_address_search_result = re.search(r"\w\w:\w\w:\w\w:\w\w:\w\w:\w\w", str(ifconfig_result))
if mac_address_search_result:
return mac_address_search_result.group(0)
else:
print("[-] could not read mac address")
options =get_agruments()
current_mac = get_current_mac(options.interface)
print("current MAC " + str(current_mac))
change_mac(options.interface,options.new_mac)
current_mac = get_current_mac(options.interface)
if current_mac == options.new_mac :
print("[+] MAC address was successfully change to " + current_mac )
else:
print("[+] MAC address did not get changed")