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MAC_Changer.py
41 lines (33 loc) · 1.7 KB
/
MAC_Changer.py
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CEZARY SAWICKI
import subprocess
import optparse
import re
def get_args(): # gets arguments from user and handles missing options.
parser = optparse.OptionParser() # calls parser object
parser.add_option("-i", "--interface", dest="interface", help="Interface to change its MAC address") #adds option to parser
parser.add_option("-m", "--mac", dest="new_mac", help="New MAC address")
(options, arguments) = parser.parse_args() #gets options and arguments from parser
if not options.interface:
parser.error("[-]Please input correct interface name, use --help for more info")
elif not options.new_mac:
parser.error("[-]Please input correct MAC address, use --help for more info")
return options
def change_mac(interface, new_mac): # changes mac address for specified interface
print("[+] Changing MAC address for " + interface + " to " + new_mac)
subprocess.call(["ifconfig", interface, "down"])
subprocess.call(["ifconfig", interface, "hw", "ether", new_mac])
subprocess.call(["ifconfig", interface, "up"])
def get_current_mac (interface): # gets current mac address for specified 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", ifconfig_result)
if mac_address_search_result:
print(mac_address_search_result.group(0))
else:
print("Couldn't find any MAC address")
options = get_args()
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 changed to " + current_mac)
else:
print("[-] MAC address did not get changed")