hostap/tests/hwsim/test_fils.py

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# Test cases for FILS
# Copyright (c) 2015-2016, Qualcomm Atheros, Inc.
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import binascii
import hashlib
import logging
logger = logging.getLogger()
import time
import hostapd
from wpasupplicant import WpaSupplicant
import hwsim_utils
from utils import HwsimSkip
from test_erp import check_erp_capa, start_erp_as
def check_fils_capa(dev):
capa = dev.get_capability("fils")
if capa is None or "FILS" not in capa:
raise HwsimSkip("FILS not supported")
def test_fils_sk_full_auth(dev, apdev):
"""FILS SK full authentication"""
check_fils_capa(dev[0])
check_erp_capa(dev[0])
start_erp_as(apdev[1])
bssid = apdev[0]['bssid']
params = hostapd.wpa2_eap_params(ssid="fils")
params['wpa_key_mgmt'] = "FILS-SHA256"
params['auth_server_port'] = "18128"
params['erp_send_reauth_start'] = '1'
params['erp_domain'] = 'example.com'
params['fils_realm'] = 'example.com'
params['wpa_group_rekey'] = '1'
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].scan_for_bss(bssid, freq=2412)
bss = dev[0].get_bss(bssid)
logger.debug("BSS: " + str(bss))
if "[FILS]" not in bss['flags']:
raise Exception("[FILS] flag not indicated")
if "[WPA2-FILS-SHA256-CCMP]" not in bss['flags']:
raise Exception("[WPA2-FILS-SHA256-CCMP] flag not indicated")
res = dev[0].request("SCAN_RESULTS")
logger.debug("SCAN_RESULTS: " + res)
if "[FILS]" not in res:
raise Exception("[FILS] flag not indicated")
if "[WPA2-FILS-SHA256-CCMP]" not in res:
raise Exception("[WPA2-FILS-SHA256-CCMP] flag not indicated")
dev[0].request("ERP_FLUSH")
dev[0].connect("fils", key_mgmt="FILS-SHA256",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
erp="1", scan_freq="2412")
hwsim_utils.test_connectivity(dev[0], hapd)
ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
if ev is None:
raise Exception("GTK rekey timed out")
hwsim_utils.test_connectivity(dev[0], hapd)
conf = hapd.get_config()
if conf['key_mgmt'] != 'FILS-SHA256':
raise Exception("Unexpected config key_mgmt: " + conf['key_mgmt'])
def test_fils_sk_sha384_full_auth(dev, apdev):
"""FILS SK full authentication (SHA384)"""
check_fils_capa(dev[0])
check_erp_capa(dev[0])
start_erp_as(apdev[1])
bssid = apdev[0]['bssid']
params = hostapd.wpa2_eap_params(ssid="fils")
params['wpa_key_mgmt'] = "FILS-SHA384"
params['auth_server_port'] = "18128"
params['erp_send_reauth_start'] = '1'
params['erp_domain'] = 'example.com'
params['fils_realm'] = 'example.com'
params['wpa_group_rekey'] = '1'
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].scan_for_bss(bssid, freq=2412)
bss = dev[0].get_bss(bssid)
logger.debug("BSS: " + str(bss))
if "[FILS]" not in bss['flags']:
raise Exception("[FILS] flag not indicated")
if "[WPA2-FILS-SHA384-CCMP]" not in bss['flags']:
raise Exception("[WPA2-FILS-SHA384-CCMP] flag not indicated")
res = dev[0].request("SCAN_RESULTS")
logger.debug("SCAN_RESULTS: " + res)
if "[FILS]" not in res:
raise Exception("[FILS] flag not indicated")
if "[WPA2-FILS-SHA384-CCMP]" not in res:
raise Exception("[WPA2-FILS-SHA384-CCMP] flag not indicated")
dev[0].request("ERP_FLUSH")
dev[0].connect("fils", key_mgmt="FILS-SHA384",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
erp="1", scan_freq="2412")
hwsim_utils.test_connectivity(dev[0], hapd)
ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
if ev is None:
raise Exception("GTK rekey timed out")
hwsim_utils.test_connectivity(dev[0], hapd)
conf = hapd.get_config()
if conf['key_mgmt'] != 'FILS-SHA384':
raise Exception("Unexpected config key_mgmt: " + conf['key_mgmt'])
def test_fils_sk_pmksa_caching(dev, apdev):
"""FILS SK and PMKSA caching"""
check_fils_capa(dev[0])
check_erp_capa(dev[0])
start_erp_as(apdev[1])
bssid = apdev[0]['bssid']
params = hostapd.wpa2_eap_params(ssid="fils")
params['wpa_key_mgmt'] = "FILS-SHA256"
params['auth_server_port'] = "18128"
params['erp_domain'] = 'example.com'
params['fils_realm'] = 'example.com'
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].scan_for_bss(bssid, freq=2412)
dev[0].request("ERP_FLUSH")
id = dev[0].connect("fils", key_mgmt="FILS-SHA256",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
erp="1", scan_freq="2412")
pmksa = dev[0].get_pmksa(bssid)
if pmksa is None:
raise Exception("No PMKSA cache entry created")
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
dev[0].dump_monitor()
dev[0].select_network(id, freq=2412)
ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
"CTRL-EVENT-CONNECTED"], timeout=10)
if ev is None:
raise Exception("Connection using PMKSA caching timed out")
if "CTRL-EVENT-EAP-STARTED" in ev:
raise Exception("Unexpected EAP exchange")
hwsim_utils.test_connectivity(dev[0], hapd)
pmksa2 = dev[0].get_pmksa(bssid)
if pmksa2 is None:
raise Exception("No PMKSA cache entry found")
if pmksa['pmkid'] != pmksa2['pmkid']:
raise Exception("Unexpected PMKID change")
# Verify EAPOL reauthentication after FILS authentication
hapd.request("EAPOL_REAUTH " + dev[0].own_addr())
ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=5)
if ev is None:
raise Exception("EAP authentication did not start")
ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=5)
if ev is None:
raise Exception("EAP authentication did not succeed")
time.sleep(0.1)
hwsim_utils.test_connectivity(dev[0], hapd)
def test_fils_sk_erp(dev, apdev):
"""FILS SK using ERP"""
run_fils_sk_erp(dev, apdev, "FILS-SHA256")
def test_fils_sk_erp_sha384(dev, apdev):
"""FILS SK using ERP and SHA384"""
run_fils_sk_erp(dev, apdev, "FILS-SHA384")
def run_fils_sk_erp(dev, apdev, key_mgmt):
check_fils_capa(dev[0])
check_erp_capa(dev[0])
start_erp_as(apdev[1])
bssid = apdev[0]['bssid']
params = hostapd.wpa2_eap_params(ssid="fils")
params['wpa_key_mgmt'] = key_mgmt
params['auth_server_port'] = "18128"
params['erp_domain'] = 'example.com'
params['fils_realm'] = 'example.com'
params['disable_pmksa_caching'] = '1'
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].scan_for_bss(bssid, freq=2412)
dev[0].request("ERP_FLUSH")
id = dev[0].connect("fils", key_mgmt=key_mgmt,
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
erp="1", scan_freq="2412")
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
dev[0].dump_monitor()
dev[0].select_network(id, freq=2412)
ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
"EVENT-ASSOC-REJECT",
"CTRL-EVENT-CONNECTED"], timeout=10)
if ev is None:
raise Exception("Connection using FILS/ERP timed out")
if "CTRL-EVENT-EAP-STARTED" in ev:
raise Exception("Unexpected EAP exchange")
if "EVENT-ASSOC-REJECT" in ev:
raise Exception("Association failed")
hwsim_utils.test_connectivity(dev[0], hapd)
def test_fils_sk_multiple_realms(dev, apdev):
"""FILS SK and multiple realms"""
check_fils_capa(dev[0])
check_erp_capa(dev[0])
start_erp_as(apdev[1])
bssid = apdev[0]['bssid']
params = hostapd.wpa2_eap_params(ssid="fils")
params['wpa_key_mgmt'] = "FILS-SHA256"
params['auth_server_port'] = "18128"
params['erp_domain'] = 'example.com'
fils_realms = [ 'r1.example.org', 'r2.EXAMPLE.org', 'r3.example.org',
'r4.example.org', 'r5.example.org', 'r6.example.org',
'r7.example.org', 'r8.example.org',
'example.com',
'r9.example.org', 'r10.example.org', 'r11.example.org',
'r12.example.org', 'r13.example.org', 'r14.example.org',
'r15.example.org', 'r16.example.org' ]
params['fils_realm'] = fils_realms
params['fils_cache_id'] = "1234"
params['hessid'] = bssid
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].scan_for_bss(bssid, freq=2412)
if "OK" not in dev[0].request("ANQP_GET " + bssid + " 275"):
raise Exception("ANQP_GET command failed")
ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=10)
if ev is None:
raise Exception("GAS query timed out")
bss = dev[0].get_bss(bssid)
if 'fils_info' not in bss:
raise Exception("FILS Indication element information missing")
if bss['fils_info'] != '02b8':
raise Exception("Unexpected FILS Information: " + bss['fils_info'])
if 'fils_cache_id' not in bss:
raise Exception("FILS Cache Identifier missing")
if bss['fils_cache_id'] != '1234':
raise Exception("Unexpected FILS Cache Identifier: " + bss['fils_cache_id'])
if 'fils_realms' not in bss:
raise Exception("FILS Realm Identifiers missing")
expected = ''
count = 0
for realm in fils_realms:
hash = hashlib.sha256(realm.lower()).digest()
expected += binascii.hexlify(hash[0:2])
count += 1
if count == 7:
break
if bss['fils_realms'] != expected:
raise Exception("Unexpected FILS Realm Identifiers: " + bss['fils_realms'])
if 'anqp_fils_realm_info' not in bss:
raise Exception("FILS Realm Information ANQP-element not seen")
info = bss['anqp_fils_realm_info'];
expected = ''
for realm in fils_realms:
hash = hashlib.sha256(realm.lower()).digest()
expected += binascii.hexlify(hash[0:2])
if info != expected:
raise Exception("Unexpected FILS Realm Info ANQP-element: " + info)
dev[0].request("ERP_FLUSH")
id = dev[0].connect("fils", key_mgmt="FILS-SHA256",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
erp="1", scan_freq="2412")
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
dev[0].dump_monitor()
dev[0].select_network(id, freq=2412)
ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
"EVENT-ASSOC-REJECT",
"CTRL-EVENT-CONNECTED"], timeout=10)
if ev is None:
raise Exception("Connection using FILS/ERP timed out")
if "CTRL-EVENT-EAP-STARTED" in ev:
raise Exception("Unexpected EAP exchange")
if "EVENT-ASSOC-REJECT" in ev:
raise Exception("Association failed")
hwsim_utils.test_connectivity(dev[0], hapd)