mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-11-05 11:39:24 +01:00
816d258cab
Add a test to validate a crash found by Alex Radocea when sending a fuzzed beacon frame. Co-authored-by: Alex Radocea <alex@supernetworks.org>
73 lines
2.0 KiB
Python
73 lines
2.0 KiB
Python
import unittest
|
|
import sys
|
|
import sys
|
|
import os
|
|
from scapy.layers.dot11 import *
|
|
from scapy.arch import str2mac, get_if_raw_hwaddr
|
|
from time import time, sleep
|
|
from threading import Thread
|
|
|
|
def if_hwaddr(iff):
|
|
return str2mac(get_if_raw_hwaddr(iff)[1])
|
|
|
|
def config_mon(iface, channel):
|
|
"""set the interface in monitor mode and then change channel using iw"""
|
|
os.system("ip link set dev %s down" % iface)
|
|
os.system("iw dev %s set type monitor" % iface)
|
|
os.system("ip link set dev %s up" % iface)
|
|
os.system("iw dev %s set channel %d" % (iface, channel))
|
|
|
|
class AP:
|
|
def __init__(self, ssid, psk, mac=None, mode="stdio", iface="wlan0", channel=1):
|
|
self.channel = channel
|
|
self.iface = iface
|
|
self.mode = mode
|
|
if self.mode == "iface":
|
|
if not mac:
|
|
mac = if_hwaddr(iface)
|
|
config_mon(iface, channel)
|
|
if not mac:
|
|
raise Exception("Need a mac")
|
|
else:
|
|
self.mac = mac
|
|
self.boottime = time()
|
|
|
|
def get_radiotap_header(self):
|
|
return RadioTap()
|
|
|
|
def dot11_beacon(self, contents):
|
|
evil_packet = (
|
|
self.get_radiotap_header()
|
|
/ Dot11(
|
|
subtype=8, addr1="ff:ff:ff:ff:ff:ff", addr2=self.mac, addr3=self.mac
|
|
)
|
|
/ Dot11Beacon(cap=0x3101)
|
|
/ contents
|
|
)
|
|
self.sendp(evil_packet)
|
|
|
|
def run(self, contents):
|
|
interval = 0.05
|
|
num_beacons = 100
|
|
|
|
while num_beacons:
|
|
self.dot11_beacon(contents)
|
|
sleep(interval)
|
|
num_beacons -= 1
|
|
|
|
def start(self, contents):
|
|
self.thread = Thread(target=self.run, args=(contents,))
|
|
self.thread.start()
|
|
|
|
def stop(self):
|
|
self.thread.join()
|
|
|
|
def sendp(self, packet, verbose=False):
|
|
if self.mode == "stdio":
|
|
x = packet.build()
|
|
sys.stdout.buffer.write(struct.pack("<L", len(x)) + x)
|
|
sys.stdout.buffer.flush()
|
|
return
|
|
assert self.mode == "iface"
|
|
sendp(packet, iface=self.iface, verbose=False)
|