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tests: PMKSA caching OOM error cases

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Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
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Jouni Malinen 2015-01-30 00:14:57 +02:00 committed by Jouni Malinen
parent 915135e055
commit 3b86e9d52c
1 changed files with 55 additions and 0 deletions
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55
tests/hwsim/test_pmksa_cache.py
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@ -11,6 +11,7 @@ import time
import hostapd
from wpasupplicant import WpaSupplicant
from utils import alloc_fail
from test_ap_eap import eap_connect
def test_pmksa_cache_on_roam_back(dev, apdev):
@ -551,3 +552,57 @@ def test_pmksa_cache_opportunistic_multiple_sta(dev, apdev):
raise Exception("Roaming with the AP timed out")
if "CTRL-EVENT-EAP-STARTED" in ev:
raise Exception("Unexpected EAP exchange")
def test_pmksa_cache_preauth_oom(dev, apdev):
"""RSN pre-authentication to generate PMKSA cache entry and OOM"""
try:
_test_pmksa_cache_preauth_oom(dev, apdev)
finally:
subprocess.call(['ip', 'link', 'set', 'dev', 'ap-br0', 'down'])
subprocess.call(['brctl', 'delbr', 'ap-br0'])
def _test_pmksa_cache_preauth_oom(dev, apdev):
params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
params['bridge'] = 'ap-br0'
hostapd.add_ap(apdev[0]['ifname'], params)
subprocess.call(['brctl', 'setfd', 'ap-br0', '0'])
subprocess.call(['ip', 'link', 'set', 'dev', 'ap-br0', 'up'])
eap_connect(dev[0], apdev[0], "PAX", "pax.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
bssid=apdev[0]['bssid'])
params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
params['bridge'] = 'ap-br0'
params['rsn_preauth'] = '1'
params['rsn_preauth_interfaces'] = 'ap-br0'
hapd = hostapd.add_ap(apdev[1]['ifname'], params)
bssid1 = apdev[1]['bssid']
tests = [ (1, "rsn_preauth_receive"),
(2, "rsn_preauth_receive"),
(1, "rsn_preauth_send") ]
for test in tests:
with alloc_fail(hapd, test[0], test[1]):
dev[0].scan_for_bss(bssid1, freq="2412")
if "OK" not in dev[0].request("PREAUTH " + bssid1):
raise Exception("PREAUTH failed")
success = False
count = 0
for i in range(50):
time.sleep(0.1)
pmksa = dev[0].get_pmksa(bssid1)
if pmksa:
success = True
break
state = hapd.request('GET_ALLOC_FAIL')
if state.startswith('0:'):
count += 1
if count > 2:
break
logger.info("PMKSA cache success: " + str(success))
dev[0].request("PMKSA_FLUSH")
dev[0].wait_disconnected()
dev[0].wait_connected()
dev[0].dump_monitor()