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tests: RSN pre-authentication

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Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-03-15 11:52:11 +02:00
parent 8a9a3b34dd
commit 55c11d40da
1 changed files with 49 additions and 1 deletions
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50
tests/hwsim/test_pmksa_cache.py
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@ -1,14 +1,16 @@
# WPA2-Enterprise PMKSA caching tests
# Copyright (c) 2013, Jouni Malinen <j@w1.fi>
# Copyright (c) 2013-2014, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import logging
logger = logging.getLogger()
import subprocess
import time
import hostapd
from test_ap_eap import eap_connect
def test_pmksa_cache_on_roam_back(dev, apdev):
"""PMKSA cache to skip EAP on reassociation back to same AP"""
@ -228,3 +230,49 @@ def test_pmksa_cache_and_cui(dev, apdev):
time.sleep(0.1)
if state != "COMPLETED":
raise Exception("Reauthentication did not complete")
def test_pmksa_cache_preauth(dev, apdev):
"""RSN pre-authentication to generate PMKSA cache entry"""
try:
params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
params['bridge'] = 'ap-br0'
hostapd.add_ap(apdev[0]['ifname'], params)
subprocess.call(['sudo', 'brctl', 'setfd', 'ap-br0', '0'])
subprocess.call(['sudo', 'ip', 'link', 'set', 'dev', 'ap-br0', 'up'])
eap_connect(dev[0], apdev[0], "PAX", "pax.user@example.com",
password_hex="0123456789abcdef0123456789abcdef")
params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
params['bridge'] = 'ap-br0'
params['rsn_preauth'] = '1'
params['rsn_preauth_interfaces'] = 'ap-br0'
hostapd.add_ap(apdev[1]['ifname'], params)
bssid1 = apdev[1]['bssid']
dev[0].scan(freq="2412")
success = False
for i in range(0, 50):
time.sleep(0.1)
pmksa = dev[0].get_pmksa(bssid1)
if pmksa:
success = True
break
if not success:
raise Exception("No PMKSA cache entry created from pre-authentication")
dev[0].scan(freq="2412")
dev[0].request("ROAM " + bssid1)
ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
"CTRL-EVENT-CONNECTED"], timeout=10)
if ev is None:
raise Exception("Roaming with the AP timed out")
if "CTRL-EVENT-EAP-STARTED" in ev:
raise Exception("Unexpected EAP exchange")
pmksa2 = dev[0].get_pmksa(bssid1)
if pmksa2 is None:
raise Exception("No PMKSA cache entry")
if pmksa['pmkid'] != pmksa2['pmkid']:
raise Exception("Unexpected PMKID change")
finally:
subprocess.call(['sudo', 'ip', 'link', 'set', 'dev', 'ap-br0', 'down'])
subprocess.call(['sudo', 'brctl', 'delbr', 'ap-br0'])