230 lines
9 KiB
Python
230 lines
9 KiB
Python
# WPA2-Enterprise PMKSA caching tests
|
|
# Copyright (c) 2013, 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 time
|
|
|
|
import hostapd
|
|
|
|
def test_pmksa_cache_on_roam_back(dev, apdev):
|
|
"""PMKSA cache to skip EAP on reassociation back to same AP"""
|
|
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
|
|
hostapd.add_ap(apdev[0]['ifname'], params)
|
|
bssid = apdev[0]['bssid']
|
|
dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
|
|
eap="GPSK", identity="gpsk user",
|
|
password="abcdefghijklmnop0123456789abcdef",
|
|
scan_freq="2412")
|
|
pmksa = dev[0].get_pmksa(bssid)
|
|
if pmksa is None:
|
|
raise Exception("No PMKSA cache entry created")
|
|
if pmksa['opportunistic'] != '0':
|
|
raise Exception("Unexpected opportunistic PMKSA cache entry")
|
|
|
|
hostapd.add_ap(apdev[1]['ifname'], params)
|
|
bssid2 = apdev[1]['bssid']
|
|
|
|
dev[0].dump_monitor()
|
|
logger.info("Roam to AP2")
|
|
dev[0].scan(freq="2412")
|
|
dev[0].request("ROAM " + bssid2)
|
|
ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("EAP success timed out")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Roaming with the AP timed out")
|
|
pmksa2 = dev[0].get_pmksa(bssid2)
|
|
if pmksa2 is None:
|
|
raise Exception("No PMKSA cache entry found")
|
|
if pmksa2['opportunistic'] != '0':
|
|
raise Exception("Unexpected opportunistic PMKSA cache entry")
|
|
|
|
dev[0].dump_monitor()
|
|
logger.info("Roam back to AP1")
|
|
dev[0].scan(freq="2412")
|
|
dev[0].request("ROAM " + bssid)
|
|
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")
|
|
pmksa1b = dev[0].get_pmksa(bssid)
|
|
if pmksa1b is None:
|
|
raise Exception("No PMKSA cache entry found")
|
|
if pmksa['pmkid'] != pmksa1b['pmkid']:
|
|
raise Exception("Unexpected PMKID change for AP1")
|
|
|
|
def test_pmksa_cache_opportunistic_only_on_sta(dev, apdev):
|
|
"""Opportunistic PMKSA caching enabled only on station"""
|
|
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
|
|
hostapd.add_ap(apdev[0]['ifname'], params)
|
|
bssid = apdev[0]['bssid']
|
|
dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
|
|
eap="GPSK", identity="gpsk user",
|
|
password="abcdefghijklmnop0123456789abcdef", okc=True,
|
|
scan_freq="2412")
|
|
pmksa = dev[0].get_pmksa(bssid)
|
|
if pmksa is None:
|
|
raise Exception("No PMKSA cache entry created")
|
|
if pmksa['opportunistic'] != '0':
|
|
raise Exception("Unexpected opportunistic PMKSA cache entry")
|
|
|
|
hostapd.add_ap(apdev[1]['ifname'], params)
|
|
bssid2 = apdev[1]['bssid']
|
|
|
|
dev[0].dump_monitor()
|
|
logger.info("Roam to AP2")
|
|
dev[0].scan(freq="2412")
|
|
dev[0].request("ROAM " + bssid2)
|
|
ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("EAP success timed out")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Roaming with the AP timed out")
|
|
pmksa2 = dev[0].get_pmksa(bssid2)
|
|
if pmksa2 is None:
|
|
raise Exception("No PMKSA cache entry found")
|
|
if pmksa2['opportunistic'] != '0':
|
|
raise Exception("Unexpected opportunistic PMKSA cache entry")
|
|
|
|
dev[0].dump_monitor()
|
|
logger.info("Roam back to AP1")
|
|
dev[0].scan(freq="2412")
|
|
dev[0].request("ROAM " + bssid)
|
|
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")
|
|
pmksa1b = dev[0].get_pmksa(bssid)
|
|
if pmksa1b is None:
|
|
raise Exception("No PMKSA cache entry found")
|
|
if pmksa['pmkid'] != pmksa1b['pmkid']:
|
|
raise Exception("Unexpected PMKID change for AP1")
|
|
|
|
def test_pmksa_cache_opportunistic(dev, apdev):
|
|
"""Opportunistic PMKSA caching"""
|
|
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
|
|
params['okc'] = "1"
|
|
hostapd.add_ap(apdev[0]['ifname'], params)
|
|
bssid = apdev[0]['bssid']
|
|
dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
|
|
eap="GPSK", identity="gpsk user",
|
|
password="abcdefghijklmnop0123456789abcdef", okc=True,
|
|
scan_freq="2412")
|
|
pmksa = dev[0].get_pmksa(bssid)
|
|
if pmksa is None:
|
|
raise Exception("No PMKSA cache entry created")
|
|
if pmksa['opportunistic'] != '0':
|
|
raise Exception("Unexpected opportunistic PMKSA cache entry")
|
|
|
|
hostapd.add_ap(apdev[1]['ifname'], params)
|
|
bssid2 = apdev[1]['bssid']
|
|
|
|
dev[0].dump_monitor()
|
|
logger.info("Roam to AP2")
|
|
dev[0].scan(freq="2412")
|
|
dev[0].request("ROAM " + bssid2)
|
|
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(bssid2)
|
|
if pmksa2 is None:
|
|
raise Exception("No PMKSA cache entry created")
|
|
|
|
dev[0].dump_monitor()
|
|
logger.info("Roam back to AP1")
|
|
dev[0].scan(freq="2412")
|
|
dev[0].request("ROAM " + bssid)
|
|
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")
|
|
|
|
pmksa1b = dev[0].get_pmksa(bssid)
|
|
if pmksa1b is None:
|
|
raise Exception("No PMKSA cache entry found")
|
|
if pmksa['pmkid'] != pmksa1b['pmkid']:
|
|
raise Exception("Unexpected PMKID change for AP1")
|
|
|
|
def test_pmksa_cache_expiration(dev, apdev):
|
|
"""PMKSA cache entry expiration"""
|
|
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
|
|
hostapd.add_ap(apdev[0]['ifname'], params)
|
|
bssid = apdev[0]['bssid']
|
|
dev[0].request("SET dot11RSNAConfigPMKLifetime 10")
|
|
dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
|
|
eap="GPSK", identity="gpsk user",
|
|
password="abcdefghijklmnop0123456789abcdef",
|
|
scan_freq="2412")
|
|
pmksa = dev[0].get_pmksa(bssid)
|
|
if pmksa is None:
|
|
raise Exception("No PMKSA cache entry created")
|
|
logger.info("Wait for PMKSA cache entry to expire")
|
|
ev = dev[0].wait_event(["WPA: Key negotiation completed",
|
|
"CTRL-EVENT-DISCONNECTED"], timeout=15)
|
|
if ev is None:
|
|
raise Exception("No EAP reauthentication seen")
|
|
if "CTRL-EVENT-DISCONNECTED" in ev:
|
|
raise Exception("Unexpected disconnection")
|
|
pmksa2 = dev[0].get_pmksa(bssid)
|
|
if pmksa['pmkid'] == pmksa2['pmkid']:
|
|
raise Exception("PMKID did not change")
|
|
|
|
def test_pmksa_cache_and_cui(dev, apdev):
|
|
"""PMKSA cache and Chargeable-User-Identity"""
|
|
params = hostapd.wpa2_eap_params(ssid="cui")
|
|
params['radius_request_cui'] = '1'
|
|
params['acct_server_addr'] = "127.0.0.1"
|
|
params['acct_server_port'] = "1813"
|
|
params['acct_server_shared_secret'] = "radius"
|
|
hostapd.add_ap(apdev[0]['ifname'], params)
|
|
bssid = apdev[0]['bssid']
|
|
dev[0].connect("cui", proto="RSN", key_mgmt="WPA-EAP",
|
|
eap="GPSK", identity="gpsk-cui",
|
|
password="abcdefghijklmnop0123456789abcdef",
|
|
scan_freq="2412")
|
|
pmksa = dev[0].get_pmksa(bssid)
|
|
if pmksa is None:
|
|
raise Exception("No PMKSA cache entry created")
|
|
|
|
dev[0].dump_monitor()
|
|
logger.info("Disconnect and reconnect to the same AP")
|
|
dev[0].request("DISCONNECT")
|
|
dev[0].request("RECONNECT")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
|
|
"CTRL-EVENT-CONNECTED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Reconnect timed out")
|
|
if "CTRL-EVENT-EAP-STARTED" in ev:
|
|
raise Exception("Unexpected EAP exchange")
|
|
pmksa1b = dev[0].get_pmksa(bssid)
|
|
if pmksa1b is None:
|
|
raise Exception("No PMKSA cache entry found")
|
|
if pmksa['pmkid'] != pmksa1b['pmkid']:
|
|
raise Exception("Unexpected PMKID change for AP1")
|
|
|
|
dev[0].request("REAUTHENTICATE")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("EAP success timed out")
|
|
for i in range(0, 20):
|
|
state = dev[0].get_status_field("wpa_state")
|
|
if state == "COMPLETED":
|
|
break
|
|
time.sleep(0.1)
|
|
if state != "COMPLETED":
|
|
raise Exception("Reauthentication did not complete")
|