fragattacks/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 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['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)
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['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)
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'
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"""
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['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="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)