fragattacks/tests/hwsim/test_hostapd_oom.py

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# hostapd and out-of-memory error paths
# Copyright (c) 2015, Jouni Malinen
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import logging
logger = logging.getLogger()
import hostapd
from utils import HwsimSkip
def hostapd_oom_loop(apdev, params):
hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "ctrl" })
hapd_global = hostapd.HostapdGlobal()
count = 0
for i in range(1, 1000):
if "OK" not in hapd.request("TEST_ALLOC_FAIL %d:main" % i):
raise HwsimSkip("TEST_ALLOC_FAIL not supported")
try:
hostapd.add_ap(apdev[1]['ifname'], params)
logger.info("Iteration %d - success" % i)
hapd_global.remove(apdev[1]['ifname'])
state = hapd.request('GET_ALLOC_FAIL')
logger.info("GET_ALLOC_FAIL: " + state)
hapd.request("TEST_ALLOC_FAIL 0:")
if i < 3:
raise Exception("AP setup succeeded during out-of-memory")
if not state.startswith('0:'):
count += 1
if count == 5:
break
except Exception, e:
logger.info("Iteration %d - %s" % (i, str(e)))
def test_hostapd_oom_open(dev, apdev):
"""hostapd failing to setup open mode due to OOM"""
params = { "ssid": "open" }
hostapd_oom_loop(apdev, params)
def test_hostapd_oom_wpa2_psk(dev, apdev):
"""hostapd failing to setup WPA2-PSK mode due to OOM"""
params = hostapd.wpa2_params(ssid="test", passphrase="12345678")
hostapd_oom_loop(apdev, params)
def test_hostapd_oom_wpa2_eap(dev, apdev):
"""hostapd failing to setup WPA2-EAP mode due to OOM"""
params = hostapd.wpa2_eap_params(ssid="test")
hostapd_oom_loop(apdev, params)