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