Files
wifite2/wifite/util/scanner.py

239 lines
8.2 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: utf-8 -*-
from ..util.color import Color
from ..tools.airodump import Airodump
from ..util.input import raw_input, xrange
from ..model.target import Target
from ..config import Configuration
from time import sleep, time
class Scanner(object):
''' Scans wifi networks & provides menu for selecting targets '''
# Console code for moving up one line
UP_CHAR = '\x1B[1F'
def __init__(self):
'''
Scans for targets via Airodump.
Loops until scan is interrupted via user or config.
Note: Sets this object's `targets` attrbute (list[Target]) upon interruption.
'''
self.previous_target_count = 0
self.targets = []
self.target = None # Target specified by user (based on ESSID/BSSID)
max_scan_time = Configuration.scan_time
self.err_msg = None
# Loads airodump with interface/channel/etc from Configuration
try:
with Airodump() as airodump:
# Loop until interrupted (Ctrl+C)
scan_start_time = time()
while True:
if airodump.pid.poll() is not None:
return # Airodump process died
self.targets = airodump.get_targets(old_targets=self.targets)
if self.found_target():
return # We found the target we want
if airodump.pid.poll() is not None:
return # Airodump process died
for target in self.targets:
if target.bssid in airodump.decloaked_bssids:
target.decloaked = True
self.print_targets()
target_count = len(self.targets)
client_count = sum([len(t.clients) for t in self.targets])
outline = '\r{+} Scanning'
if airodump.decloaking:
outline += ' & decloaking'
outline += '. Found'
outline += ' {G}%d{W} target(s),' % target_count
outline += ' {G}%d{W} client(s).' % client_count
outline += ' {O}Ctrl+C{W} when ready '
Color.clear_entire_line()
Color.p(outline)
if max_scan_time > 0 and time() > scan_start_time + max_scan_time:
return
sleep(1)
except KeyboardInterrupt:
pass
def found_target(self):
'''
Detect if we found a target specified by the user (optional).
Sets this object's `target` attribute if found.
Returns: True if target was specified and found, False otherwise.
'''
bssid = Configuration.target_bssid
essid = Configuration.target_essid
if bssid is None and essid is None:
return False # No specific target from user.
for target in self.targets:
if Configuration.wps_only and target.wps != True:
continue
if bssid and target.bssid and bssid.lower() == target.bssid.lower():
self.target = target
break
if essid and target.essid and essid.lower() == target.essid.lower():
self.target = target
break
if self.target:
Color.pl('\n{+} {C}found target{G} %s {W}({G}%s{W})'
% (self.target.bssid, self.target.essid))
return True
return False
def print_targets(self):
'''Prints targets selection menu (1 target per row).'''
if len(self.targets) == 0:
Color.p('\r')
return
if self.previous_target_count > 0:
# We need to 'overwrite' the previous list of targets.
if Configuration.verbose <= 1:
# Don't clear screen buffer in verbose mode.
if self.previous_target_count > len(self.targets) or \
Scanner.get_terminal_height() < self.previous_target_count + 3:
# Either:
# 1) We have less targets than before, so we can't overwrite the previous list
# 2) The terminal can't display the targets without scrolling.
# Clear the screen.
from ..util.process import Process
Process.call('clear')
else:
# We can fit the targets in the terminal without scrolling
# 'Move' cursor up so we will print over the previous list
Color.pl(Scanner.UP_CHAR * (3 + self.previous_target_count))
self.previous_target_count = len(self.targets)
# Overwrite the current line
Color.p('\r')
# First row: columns
Color.p(' NUM')
Color.p(' ESSID')
if Configuration.show_bssids:
Color.p(' BSSID')
Color.pl(' CH ENCR POWER WPS? CLIENT')
# Second row: separator
Color.p(' ---')
Color.p(' -------------------------')
if Configuration.show_bssids:
Color.p(' -----------------')
Color.pl(' --- ---- ----- ---- ------')
# Remaining rows: targets
for idx, target in enumerate(self.targets, start=1):
Color.clear_entire_line()
Color.p(' {G}%s ' % str(idx).rjust(3))
Color.pl(target.to_str(Configuration.show_bssids))
@staticmethod
def get_terminal_height():
import os
(rows, columns) = os.popen('stty size', 'r').read().split()
return int(rows)
@staticmethod
def get_terminal_width():
import os
(rows, columns) = os.popen('stty size', 'r').read().split()
return int(columns)
def select_targets(self):
'''
Returns list(target)
Either a specific target if user specified -bssid or --essid.
Otherwise, prompts user to select targets and returns the selection.
'''
if self.target:
# When user specifies a specific target
return [self.target]
if len(self.targets) == 0:
if self.err_msg is not None:
Color.pl(self.err_msg)
# TODO Print a more-helpful reason for failure.
# 1. Link to wireless drivers wiki,
# 2. How to check if your device supporst monitor mode,
# 3. Provide airodump-ng command being executed.
raise Exception('No targets found.'
+ ' You may need to wait longer,'
+ ' or you may have issues with your wifi card')
# Return all targets if user specified a wait time ('pillage').
if Configuration.scan_time > 0:
return self.targets
# Ask user for targets.
self.print_targets()
Color.clear_entire_line()
if self.err_msg is not None:
Color.pl(self.err_msg)
input_str = '{+} select target(s)'
input_str += ' ({G}1-%d{W})' % len(self.targets)
input_str += ' separated by commas, dashes'
input_str += ' or {G}all{W}: '
chosen_targets = []
for choice in raw_input(Color.s(input_str)).split(','):
choice = choice.strip()
if choice.lower() == 'all':
chosen_targets = self.targets
break
if '-' in choice:
# User selected a range
(lower,upper) = [int(x) - 1 for x in choice.split('-')]
for i in xrange(lower, min(len(self.targets), upper + 1)):
chosen_targets.append(self.targets[i])
elif choice.isdigit():
choice = int(choice) - 1
chosen_targets.append(self.targets[choice])
return chosen_targets
if __name__ == '__main__':
# 'Test' script will display targets and selects the appropriate one
Configuration.initialize()
try:
s = Scanner()
targets = s.select_targets()
except Exception as e:
Color.pl('\r {!} {R}Error{W}: %s' % str(e))
Configuration.exit_gracefully(0)
for t in targets:
Color.pl(' {W}Selected: %s' % t)
Configuration.exit_gracefully(0)