hostap/tests/hwsim/test_pmksa_cache.py
Jouni Malinen eff3212763 tests: PMKSA cache add failure
Signed-off-by: Jouni Malinen <j@w1.fi>
2021-03-20 13:38:49 +02:00

1267 lines
52 KiB
Python

# WPA2-Enterprise PMKSA caching tests
# 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 binascii
import logging
logger = logging.getLogger()
import socket
import struct
import subprocess
import time
import hostapd
import hwsim_utils
from wpasupplicant import WpaSupplicant
from utils import alloc_fail, HwsimSkip, wait_fail_trigger
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"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
hostapd.add_ap(apdev[0], 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], params)
bssid2 = apdev[1]['bssid']
dev[0].dump_monitor()
logger.info("Roam to AP2")
# It can take some time for the second AP to become ready to reply to Probe
# Request frames especially under heavy CPU load, so allow couple of rounds
# of scanning to avoid reporting errors incorrectly just because of scans
# not having seen the target AP.
for i in range(0, 10):
dev[0].scan(freq="2412")
if dev[0].get_bss(bssid2) is not None:
break
logger.info("Scan again to find target AP")
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")
dev[0].wait_connected(timeout=10, error="Roaming 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")
dev[0].dump_monitor()
if "FAIL" in dev[0].request("PMKSA_FLUSH"):
raise Exception("PMKSA_FLUSH failed")
if dev[0].get_pmksa(bssid) is not None or dev[0].get_pmksa(bssid2) is not None:
raise Exception("PMKSA_FLUSH did not remove PMKSA entries")
dev[0].wait_disconnected(timeout=5)
dev[0].wait_connected(timeout=15, error="Reconnection timed out")
def test_pmksa_cache_and_reauth(dev, apdev):
"""PMKSA caching and EAPOL reauthentication"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
hapd = hostapd.add_ap(apdev[0], 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")
hostapd.add_ap(apdev[1], params)
bssid2 = apdev[1]['bssid']
dev[0].dump_monitor()
logger.info("Roam to AP2")
# It can take some time for the second AP to become ready to reply to Probe
# Request frames especially under heavy CPU load, so allow couple of rounds
# of scanning to avoid reporting errors incorrectly just because of scans
# not having seen the target AP.
for i in range(0, 10):
dev[0].scan(freq="2412")
if dev[0].get_bss(bssid2) is not None:
break
logger.info("Scan again to find target AP")
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")
dev[0].wait_connected(timeout=10, error="Roaming timed out")
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")
# Verify EAPOL reauthentication after PMKSA caching
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")
def test_pmksa_cache_and_ptk_rekey_ap(dev, apdev):
"""PMKSA caching and PTK rekey triggered by AP"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
params['wpa_ptk_rekey'] = '2'
hapd = hostapd.add_ap(apdev[0], 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")
hostapd.add_ap(apdev[1], params)
bssid2 = apdev[1]['bssid']
dev[0].dump_monitor()
logger.info("Roam to AP2")
# It can take some time for the second AP to become ready to reply to Probe
# Request frames especially under heavy CPU load, so allow couple of rounds
# of scanning to avoid reporting errors incorrectly just because of scans
# not having seen the target AP.
for i in range(0, 10):
dev[0].scan(freq="2412")
if dev[0].get_bss(bssid2) is not None:
break
logger.info("Scan again to find target AP")
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")
dev[0].wait_connected(timeout=10, error="Roaming timed out")
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")
# Verify PTK rekeying after PMKSA caching
ev = dev[0].wait_event(["WPA: Key negotiation completed"], timeout=3)
if ev is None:
raise Exception("PTK rekey timed out")
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], 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], 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")
dev[0].wait_connected(timeout=10, error="Roaming 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], 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], 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_opportunistic_connect(dev, apdev):
"""Opportunistic PMKSA caching with connect API"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
params['okc'] = "1"
hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
wpas.connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk user",
password="abcdefghijklmnop0123456789abcdef", okc=True,
scan_freq="2412")
pmksa = wpas.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], params)
bssid2 = apdev[1]['bssid']
wpas.dump_monitor()
logger.info("Roam to AP2")
wpas.scan_for_bss(bssid2, freq="2412", force_scan=True)
wpas.request("ROAM " + bssid2)
ev = wpas.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 = wpas.get_pmksa(bssid2)
if pmksa2 is None:
raise Exception("No PMKSA cache entry created")
wpas.dump_monitor()
logger.info("Roam back to AP1")
wpas.scan(freq="2412")
wpas.request("ROAM " + bssid)
ev = wpas.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 = wpas.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")
hapd = hostapd.add_ap(apdev[0], 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")
hapd.wait_sta()
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")
hapd.wait_ptkinitdone(dev[0].own_addr())
hwsim_utils.test_connectivity(dev[0], hapd)
def test_pmksa_cache_expiration_disconnect(dev, apdev):
"""PMKSA cache entry expiration (disconnect)"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[0].request("SET dot11RSNAConfigPMKLifetime 2")
dev[0].request("SET dot11RSNAConfigPMKReauthThreshold 100")
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")
hapd.request("SET auth_server_shared_secret incorrect")
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" not in ev:
raise Exception("Missing disconnection")
hapd.request("SET auth_server_shared_secret radius")
ev = dev[0].wait_event(["WPA: Key negotiation completed"], timeout=15)
if ev is None:
raise Exception("No EAP reauthentication seen")
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"
hapd = hostapd.add_ap(apdev[0], 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")
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=5)
if ev is None:
raise Exception("No connection event received from hostapd")
dev[0].dump_monitor()
logger.info("Disconnect and reconnect to the same AP")
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
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")
def test_pmksa_cache_preauth_auto(dev, apdev):
"""RSN pre-authentication based on pre-connection scan results"""
try:
run_pmksa_cache_preauth_auto(dev, apdev)
finally:
hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev',
'ap-br0', 'down', '2>', '/dev/null'],
shell=True)
hostapd.cmd_execute(apdev[0], ['brctl', 'delbr', 'ap-br0',
'2>', '/dev/null'], shell=True)
def run_pmksa_cache_preauth_auto(dev, apdev):
params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
params['bridge'] = 'ap-br0'
params['rsn_preauth'] = '1'
params['rsn_preauth_interfaces'] = 'ap-br0'
hapd = hostapd.add_ap(apdev[0], params)
hapd.cmd_execute(['brctl', 'setfd', 'ap-br0', '0'])
hapd.cmd_execute(['ip', 'link', 'set', 'dev', 'ap-br0', 'up'])
hapd2 = hostapd.add_ap(apdev[1], params)
eap_connect(dev[0], None, "PAX", "pax.user@example.com",
password_hex="0123456789abcdef0123456789abcdef")
found = False
for i in range(20):
time.sleep(0.5)
res1 = dev[0].get_pmksa(apdev[0]['bssid'])
res2 = dev[0].get_pmksa(apdev[1]['bssid'])
if res1 and res2:
found = True
break
if not found:
raise Exception("The expected PMKSA cache entries not found")
def generic_pmksa_cache_preauth(dev, apdev, extraparams, identity, databridge,
force_disconnect=False):
if not extraparams:
extraparams = [{}, {}]
try:
params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
params['bridge'] = 'ap-br0'
for key, value in extraparams[0].items():
params[key] = value
hapd = hostapd.add_ap(apdev[0], params)
hapd.cmd_execute(['brctl', 'setfd', 'ap-br0', '0'])
hapd.cmd_execute(['ip', 'link', 'set', 'dev', 'ap-br0', 'up'])
eap_connect(dev[0], hapd, "PAX", identity,
password_hex="0123456789abcdef0123456789abcdef")
# Verify connectivity in the correct VLAN
hwsim_utils.test_connectivity_iface(dev[0], hapd, databridge)
params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
params['bridge'] = 'ap-br0'
params['rsn_preauth'] = '1'
params['rsn_preauth_interfaces'] = databridge
for key, value in extraparams[1].items():
params[key] = value
hapd1 = hostapd.add_ap(apdev[1], params)
bssid1 = apdev[1]['bssid']
dev[0].scan(freq="2412")
success = False
status_seen = False
for i in range(0, 50):
if not status_seen:
status = dev[0].request("STATUS")
if "Pre-authentication EAPOL state machines:" in status:
status_seen = True
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")
if not status_seen:
raise Exception("Pre-authentication EAPOL status was not available")
dev[0].scan(freq="2412")
if "[WPA2-EAP-CCMP-preauth]" not in dev[0].request("SCAN_RESULTS"):
raise Exception("Scan results missing RSN element info")
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")
hapd1.wait_sta()
# Verify connectivity in the correct VLAN
hwsim_utils.test_connectivity_iface(dev[0], hapd, databridge)
if not force_disconnect:
return
# Disconnect the STA from both APs to avoid forceful ifdown by the
# test script on a VLAN that this has an associated STA. That used to
# trigger a mac80211 warning.
dev[0].request("DISCONNECT")
hapd.request("DISABLE")
finally:
hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev',
'ap-br0', 'down', '2>', '/dev/null'],
shell=True)
hostapd.cmd_execute(apdev[0], ['brctl', 'delbr', 'ap-br0',
'2>', '/dev/null'], shell=True)
def test_pmksa_cache_preauth(dev, apdev):
"""RSN pre-authentication to generate PMKSA cache entry"""
generic_pmksa_cache_preauth(dev, apdev, None,
"pax.user@example.com", "ap-br0")
def test_pmksa_cache_preauth_per_sta_vif(dev, apdev):
"""RSN pre-authentication to generate PMKSA cache entry with per_sta_vif"""
extraparams = [{}, {}]
extraparams[0]['per_sta_vif'] = "1"
extraparams[1]['per_sta_vif'] = "1"
generic_pmksa_cache_preauth(dev, apdev, extraparams,
"pax.user@example.com", "ap-br0")
def test_pmksa_cache_preauth_vlan_enabled(dev, apdev):
"""RSN pre-authentication to generate PMKSA cache entry (dynamic_vlan optional but station without VLAN set)"""
extraparams = [{}, {}]
extraparams[0]['dynamic_vlan'] = '1'
extraparams[1]['dynamic_vlan'] = '1'
generic_pmksa_cache_preauth(dev, apdev, extraparams,
"pax.user@example.com", "ap-br0")
def test_pmksa_cache_preauth_vlan_enabled_per_sta_vif(dev, apdev):
"""RSN pre-authentication to generate PMKSA cache entry (dynamic_vlan optional but station without VLAN set, with per_sta_vif enabled)"""
extraparams = [{}, {}]
extraparams[0]['per_sta_vif'] = "1"
extraparams[1]['per_sta_vif'] = "1"
extraparams[0]['dynamic_vlan'] = '1'
extraparams[1]['dynamic_vlan'] = '1'
generic_pmksa_cache_preauth(dev, apdev, extraparams,
"pax.user@example.com", "ap-br0")
def test_pmksa_cache_preauth_vlan_used(dev, apdev):
"""RSN pre-authentication to generate PMKSA cache entry (station with VLAN set)"""
run_pmksa_cache_preauth_vlan_used(dev, apdev, None, force_disconnect=True)
def run_pmksa_cache_preauth_vlan_used(dev, apdev, extraparams=None,
force_disconnect=False):
try:
subprocess.call(['brctl', 'addbr', 'brvlan1'])
subprocess.call(['brctl', 'setfd', 'brvlan1', '0'])
if not extraparams:
extraparams = [{}, {}]
extraparams[0]['dynamic_vlan'] = '1'
extraparams[0]['vlan_file'] = 'hostapd.wlan3.vlan'
extraparams[1]['dynamic_vlan'] = '1'
extraparams[1]['vlan_file'] = 'hostapd.wlan4.vlan'
generic_pmksa_cache_preauth(dev, apdev, extraparams,
"vlan1", "brvlan1",
force_disconnect=force_disconnect)
finally:
subprocess.call(['ip', 'link', 'set', 'dev', 'brvlan1', 'down'])
subprocess.call(['ip', 'link', 'set', 'dev', 'wlan3.1', 'down'],
stderr=open('/dev/null', 'w'))
subprocess.call(['ip', 'link', 'set', 'dev', 'wlan4.1', 'down'],
stderr=open('/dev/null', 'w'))
subprocess.call(['brctl', 'delif', 'brvlan1', 'wlan3.1'],
stderr=open('/dev/null', 'w'))
subprocess.call(['brctl', 'delif', 'brvlan1', 'wlan4.1'],
stderr=open('/dev/null', 'w'))
subprocess.call(['brctl', 'delbr', 'brvlan1'])
def test_pmksa_cache_preauth_vlan_used_per_sta_vif(dev, apdev):
"""RSN pre-authentication to generate PMKSA cache entry (station with VLAN set, per_sta_vif=1)"""
extraparams = [{}, {}]
extraparams[0]['per_sta_vif'] = "1"
extraparams[1]['per_sta_vif'] = "1"
run_pmksa_cache_preauth_vlan_used(dev, apdev, extraparams)
def test_pmksa_cache_disabled(dev, apdev):
"""PMKSA cache disabling on AP"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
params['disable_pmksa_caching'] = '1'
hostapd.add_ap(apdev[0], 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")
hostapd.add_ap(apdev[1], params)
bssid2 = apdev[1]['bssid']
dev[0].dump_monitor()
logger.info("Roam to AP2")
dev[0].scan_for_bss(bssid2, 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")
dev[0].wait_connected(timeout=10, error="Roaming timed out")
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=20)
if ev is None:
raise Exception("Roaming with the AP timed out")
if "CTRL-EVENT-CONNECTED" in ev:
raise Exception("EAP exchange missing")
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=20)
if ev is None:
raise Exception("Roaming with the AP timed out")
def test_pmksa_cache_ap_expiration(dev, apdev):
"""PMKSA cache entry expiring on AP"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[0].cmd_execute(['iw', 'dev', dev[0].ifname,
'set', 'power_save', 'off'])
dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk-user-session-timeout",
password="abcdefghijklmnop0123456789abcdef",
scan_freq="2412")
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=5)
if ev is None:
raise Exception("No connection event received from hostapd")
hapd.dump_monitor()
dev[0].request("DISCONNECT")
ev = hapd.wait_event(["AP-STA-DISCONNECTED"], timeout=5)
if ev is None:
raise Exception("No disconnection event received from hostapd")
dev[0].wait_disconnected()
# Wait for session timeout to remove PMKSA cache entry
time.sleep(5)
dev[0].dump_monitor()
hapd.dump_monitor()
dev[0].request("RECONNECT")
ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
"CTRL-EVENT-CONNECTED"], timeout=20)
if ev is None:
raise Exception("Reconnection with the AP timed out")
if "CTRL-EVENT-CONNECTED" in ev:
raise Exception("EAP exchange missing")
dev[0].wait_connected(timeout=20, error="Reconnect timed out")
dev[0].dump_monitor()
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=5)
if ev is None:
raise Exception("No connection event received from hostapd [2]")
hapd.dump_monitor()
# Wait for session timeout
ev = hapd.wait_event(["AP-STA-DISCONNECTED"], timeout=10)
if ev is None:
raise Exception("No disconnection event received from hostapd [2]")
dev[0].wait_disconnected(timeout=20)
dev[0].wait_connected(timeout=20, error="Reassociation timed out")
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=5)
if ev is None:
raise Exception("No connection event received from hostapd [3]")
hapd.dump_monitor()
dev[0].dump_monitor()
def test_pmksa_cache_multiple_sta(dev, apdev):
"""PMKSA cache with multiple stations"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
for d in dev:
d.flush_scan_cache()
dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk-user-session-timeout",
password="abcdefghijklmnop0123456789abcdef",
scan_freq="2412")
dev[1].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk user",
password="abcdefghijklmnop0123456789abcdef",
scan_freq="2412")
dev[2].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk-user-session-timeout",
password="abcdefghijklmnop0123456789abcdef",
scan_freq="2412")
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
wpas.flush_scan_cache()
wpas.connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk user",
password="abcdefghijklmnop0123456789abcdef",
scan_freq="2412")
hostapd.add_ap(apdev[1], params)
bssid2 = apdev[1]['bssid']
logger.info("Roam to AP2")
for sta in [dev[1], dev[0], dev[2], wpas]:
sta.dump_monitor()
sta.scan_for_bss(bssid2, freq="2412")
if "OK" not in sta.request("ROAM " + bssid2):
raise Exception("ROAM command failed (" + sta.ifname + ")")
ev = sta.wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10)
if ev is None:
raise Exception("EAP success timed out")
sta.wait_connected(timeout=10, error="Roaming timed out")
sta.dump_monitor()
logger.info("Roam back to AP1")
for sta in [dev[1], wpas, dev[0], dev[2]]:
sta.dump_monitor()
sta.scan(freq="2412")
sta.dump_monitor()
sta.request("ROAM " + bssid)
sta.wait_connected(timeout=10, error="Roaming timed out")
sta.dump_monitor()
time.sleep(4)
logger.info("Roam back to AP2")
for sta in [dev[1], wpas, dev[0], dev[2]]:
sta.dump_monitor()
sta.scan(freq="2412")
sta.dump_monitor()
sta.request("ROAM " + bssid2)
sta.wait_connected(timeout=10, error="Roaming timed out")
sta.dump_monitor()
def test_pmksa_cache_opportunistic_multiple_sta(dev, apdev):
"""Opportunistic PMKSA caching with multiple stations"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
params['okc'] = "1"
hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
for d in dev:
d.flush_scan_cache()
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
wpas.flush_scan_cache()
for sta in [dev[0], dev[1], dev[2], wpas]:
sta.connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk user",
password="abcdefghijklmnop0123456789abcdef", okc=True,
scan_freq="2412")
hostapd.add_ap(apdev[1], params)
bssid2 = apdev[1]['bssid']
logger.info("Roam to AP2")
for sta in [dev[2], dev[0], wpas, dev[1]]:
sta.dump_monitor()
sta.scan_for_bss(bssid2, freq="2412")
if "OK" not in sta.request("ROAM " + bssid2):
raise Exception("ROAM command failed")
ev = sta.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 = sta.get_pmksa(bssid2)
if pmksa2 is None:
raise Exception("No PMKSA cache entry created")
sta.dump_monitor()
logger.info("Roam back to AP1")
for sta in [dev[0], dev[1], dev[2], wpas]:
sta.dump_monitor()
sta.scan_for_bss(bssid, freq="2412")
sta.request("ROAM " + bssid)
ev = sta.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")
def test_pmksa_cache_preauth_oom(dev, apdev):
"""RSN pre-authentication to generate PMKSA cache entry and OOM"""
try:
_test_pmksa_cache_preauth_oom(dev, apdev)
finally:
hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev', 'ap-br0',
'down'])
hostapd.cmd_execute(apdev[0], ['brctl', 'delbr', 'ap-br0'])
def _test_pmksa_cache_preauth_oom(dev, apdev):
params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
params['bridge'] = 'ap-br0'
hapd = hostapd.add_ap(apdev[0], params)
hostapd.cmd_execute(apdev[0], ['brctl', 'setfd', 'ap-br0', '0'])
hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev', 'ap-br0', 'up'])
eap_connect(dev[0], hapd, "PAX", "pax.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
bssid=apdev[0]['bssid'])
params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
params['bridge'] = 'ap-br0'
params['rsn_preauth'] = '1'
params['rsn_preauth_interfaces'] = 'ap-br0'
hapd = hostapd.add_ap(apdev[1], params)
bssid1 = apdev[1]['bssid']
tests = [(1, "rsn_preauth_receive"),
(2, "rsn_preauth_receive"),
(1, "rsn_preauth_send"),
(1, "wpa_auth_pmksa_add_preauth;rsn_preauth_finished")]
for test in tests:
hapd.request("DEAUTHENTICATE ff:ff:ff:ff:ff:ff")
with alloc_fail(hapd, test[0], test[1]):
dev[0].scan_for_bss(bssid1, freq="2412")
if "OK" not in dev[0].request("PREAUTH " + bssid1):
raise Exception("PREAUTH failed")
success = False
count = 0
for i in range(50):
time.sleep(0.1)
pmksa = dev[0].get_pmksa(bssid1)
if pmksa:
success = True
break
state = hapd.request('GET_ALLOC_FAIL')
if state.startswith('0:'):
count += 1
if count > 2:
break
logger.info("PMKSA cache success: " + str(success))
dev[0].request("PMKSA_FLUSH")
dev[0].wait_disconnected()
dev[0].wait_connected()
dev[0].dump_monitor()
def test_pmksa_cache_size_limit(dev, apdev):
"""PMKSA cache size limit in wpa_supplicant"""
try:
_test_pmksa_cache_size_limit(dev, apdev)
finally:
try:
hapd = hostapd.HostapdGlobal(apdev[0])
hapd.flush()
hapd.remove(apdev[0]['ifname'])
except:
pass
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
bssid = apdev[0]['bssid']
params['bssid'] = bssid
hostapd.add_ap(apdev[0], params)
def _test_pmksa_cache_size_limit(dev, apdev):
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
id = dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk user",
password="abcdefghijklmnop0123456789abcdef",
scan_freq="2412", only_add_network=True)
for i in range(33):
bssid = apdev[0]['bssid'][0:15] + "%02x" % i
logger.info("Iteration with BSSID " + bssid)
params['bssid'] = bssid
hostapd.add_ap(apdev[0], params)
dev[0].request("BSS_FLUSH 0")
dev[0].scan_for_bss(bssid, freq=2412, only_new=True)
dev[0].select_network(id)
dev[0].wait_connected()
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
dev[0].dump_monitor()
entries = len(dev[0].request("PMKSA").splitlines()) - 1
if i == 32:
if entries != 32:
raise Exception("Unexpected number of PMKSA entries after expected removal of the oldest entry")
elif i + 1 != entries:
raise Exception("Unexpected number of PMKSA entries")
hapd = hostapd.HostapdGlobal(apdev[0])
hapd.flush()
hapd.remove(apdev[0]['ifname'])
def test_pmksa_cache_preauth_timeout(dev, apdev):
"""RSN pre-authentication timing out"""
try:
_test_pmksa_cache_preauth_timeout(dev, apdev)
finally:
dev[0].request("SET dot11RSNAConfigSATimeout 60")
def _test_pmksa_cache_preauth_timeout(dev, apdev):
dev[0].request("SET dot11RSNAConfigSATimeout 1")
params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
hapd = hostapd.add_ap(apdev[0], params)
eap_connect(dev[0], hapd, "PAX", "pax.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
bssid=apdev[0]['bssid'])
if "OK" not in dev[0].request("PREAUTH f2:11:22:33:44:55"):
raise Exception("PREAUTH failed")
ev = dev[0].wait_event(["RSN: pre-authentication with"], timeout=5)
if ev is None:
raise Exception("No timeout event seen")
if "timed out" not in ev:
raise Exception("Unexpected event: " + ev)
def test_pmksa_cache_preauth_wpas_oom(dev, apdev):
"""RSN pre-authentication OOM in wpa_supplicant"""
params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
hapd = hostapd.add_ap(apdev[0], params)
eap_connect(dev[0], hapd, "PAX", "pax.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
bssid=apdev[0]['bssid'])
for i in range(1, 11):
with alloc_fail(dev[0], i, "rsn_preauth_init"):
res = dev[0].request("PREAUTH f2:11:22:33:44:55").strip()
logger.info("Iteration %d - PREAUTH command results: %s" % (i, res))
for j in range(10):
state = dev[0].request('GET_ALLOC_FAIL')
if state.startswith('0:'):
break
time.sleep(0.05)
def test_pmksa_cache_ctrl(dev, apdev):
"""PMKSA cache control interface operations"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
addr = dev[0].own_addr()
dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk user",
password="abcdefghijklmnop0123456789abcdef",
scan_freq="2412")
pmksa_sta = dev[0].get_pmksa(bssid)
if pmksa_sta is None:
raise Exception("No PMKSA cache entry created on STA")
pmksa_ap = hapd.get_pmksa(addr)
if pmksa_ap is None:
raise Exception("No PMKSA cache entry created on AP")
if pmksa_sta['pmkid'] != pmksa_ap['pmkid']:
raise Exception("PMKID mismatch in PMKSA cache entries")
if "OK" not in hapd.request("PMKSA_FLUSH"):
raise Exception("PMKSA_FLUSH failed")
pmksa_ap = hapd.get_pmksa(addr)
if pmksa_ap is not None:
raise Exception("PMKSA cache entry was not removed on AP")
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
dev[0].request("RECONNECT")
dev[0].wait_connected()
pmksa_sta2 = dev[0].get_pmksa(bssid)
if pmksa_sta2 is None:
raise Exception("No PMKSA cache entry created on STA after reconnect")
pmksa_ap2 = hapd.get_pmksa(addr)
if pmksa_ap2 is None:
raise Exception("No PMKSA cache entry created on AP after reconnect")
if pmksa_sta2['pmkid'] != pmksa_ap2['pmkid']:
raise Exception("PMKID mismatch in PMKSA cache entries after reconnect")
if pmksa_sta2['pmkid'] == pmksa_sta['pmkid']:
raise Exception("PMKID did not change after reconnect")
def test_pmksa_cache_ctrl_events(dev, apdev):
"""PMKSA cache control interface events"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
id = dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk user",
password="abcdefghijklmnop0123456789abcdef",
scan_freq="2412", wait_connect=False)
ev = dev[0].wait_event(["PMKSA-CACHE-ADDED"], timeout=15)
if ev is None:
raise Exception("No PMKSA-CACHE-ADDED event")
dev[0].wait_connected()
items = ev.split(' ')
if items[1] != bssid:
raise Exception("BSSID mismatch: " + ev)
if int(items[2]) != id:
raise Exception("network_id mismatch: " + ev)
dev[0].request("PMKSA_FLUSH")
ev = dev[0].wait_event(["PMKSA-CACHE-REMOVED"], timeout=15)
if ev is None:
raise Exception("No PMKSA-CACHE-REMOVED event")
dev[0].wait_disconnected()
dev[0].request("DISCONNECT")
items = ev.split(' ')
if items[1] != bssid:
raise Exception("BSSID mismatch: " + ev)
if int(items[2]) != id:
raise Exception("network_id mismatch: " + ev)
def test_pmksa_cache_ctrl_ext(dev, apdev):
"""PMKSA cache control interface for external management"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
id = dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk user",
password="abcdefghijklmnop0123456789abcdef",
scan_freq="2412")
res1 = dev[0].request("PMKSA_GET %d" % id)
logger.info("PMKSA_GET: " + res1)
if "UNKNOWN COMMAND" in res1:
raise HwsimSkip("PMKSA_GET not supported in the build")
if bssid not in res1:
raise Exception("PMKSA cache entry missing")
hostapd.add_ap(apdev[1], params)
bssid2 = apdev[1]['bssid']
dev[0].scan_for_bss(bssid2, freq=2412, force_scan=True)
dev[0].request("ROAM " + bssid2)
dev[0].wait_connected()
res2 = dev[0].request("PMKSA_GET %d" % id)
logger.info("PMKSA_GET: " + res2)
if bssid not in res2:
raise Exception("PMKSA cache entry 1 missing")
if bssid2 not in res2:
raise Exception("PMKSA cache entry 2 missing")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
dev[0].request("PMKSA_FLUSH")
id = dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk user",
password="abcdefghijklmnop0123456789abcdef",
scan_freq="2412", only_add_network=True)
res3 = dev[0].request("PMKSA_GET %d" % id)
if res3 != '':
raise Exception("Unexpected PMKSA cache entry remains: " + res3)
res4 = dev[0].request("PMKSA_GET %d" % (id + 1234))
if not res4.startswith('FAIL'):
raise Exception("Unexpected PMKSA cache entry for unknown network: " + res4)
for entry in res2.splitlines():
if "OK" not in dev[0].request("PMKSA_ADD %d %s" % (id, entry)):
raise Exception("Failed to add PMKSA entry")
dev[0].select_network(id)
ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
"CTRL-EVENT-CONNECTED"], timeout=15)
if ev is None:
raise Exception("Connection with the AP timed out")
if "CTRL-EVENT-EAP-STARTED" in ev:
raise Exception("Unexpected EAP exchange after external PMKSA cache restore")
def test_pmksa_cache_ctrl_ext_ft(dev, apdev):
"""PMKSA cache control interface for external management (FT)"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
params['wpa_key_mgmt'] = "FT-EAP"
params['nas_identifier'] = "nas.w1.fi"
params['r1_key_holder'] = "000102030406"
params["mobility_domain"] = "a1b2"
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
id = dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="FT-EAP",
eap="GPSK", identity="gpsk user",
password="abcdefghijklmnop0123456789abcdef",
scan_freq="2412")
res1 = dev[0].request("PMKSA_GET %d" % id)
logger.info("PMKSA_GET: " + res1)
if "UNKNOWN COMMAND" in res1:
raise HwsimSkip("PMKSA_GET not supported in the build")
if bssid not in res1:
raise Exception("PMKSA cache entry missing")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
dev[0].dump_monitor()
dev[0].request("PMKSA_FLUSH")
id = dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="FT-EAP",
eap="GPSK", identity="gpsk user",
password="abcdefghijklmnop0123456789abcdef",
ft_eap_pmksa_caching="1",
scan_freq="2412", only_add_network=True)
res3 = dev[0].request("PMKSA_GET %d" % id)
if res3 != '':
raise Exception("Unexpected PMKSA cache entry remains: " + res3)
for entry in res1.splitlines():
if "OK" not in dev[0].request("PMKSA_ADD %d %s" % (id, entry)):
raise Exception("Failed to add PMKSA entry")
dev[0].select_network(id)
ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
"CTRL-EVENT-CONNECTED"], timeout=15)
if ev is None:
raise Exception("Connection with the AP timed out")
if "CTRL-EVENT-EAP-STARTED" in ev:
raise Exception("Unexpected EAP exchange after external PMKSA cache restore")
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
dev[0].dump_monitor()
dev[0].request("PMKSA_FLUSH")
# Add a PMKSA cache entry for FT-EAP with PMKSA caching disabled to confirm
# that the PMKID is not configured to the driver (this part requires manual
# check of the debug log currently).
dev[0].set_network(id, "ft_eap_pmksa_caching", "0")
for entry in res1.splitlines():
if "OK" not in dev[0].request("PMKSA_ADD %d %s" % (id, entry)):
raise Exception("Failed to add PMKSA entry")
def test_rsn_preauth_processing(dev, apdev):
"""RSN pre-authentication processing on AP"""
params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
params['rsn_preauth'] = '1'
params['rsn_preauth_interfaces'] = "lo"
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
_bssid = binascii.unhexlify(bssid.replace(':', ''))
eap_connect(dev[0], hapd, "PAX", "pax.user@example.com",
password_hex="0123456789abcdef0123456789abcdef")
addr = dev[0].own_addr()
_addr = binascii.unhexlify(addr.replace(':', ''))
sock = socket.socket(socket.AF_PACKET, socket.SOCK_RAW,
socket.htons(0x88c7))
sock.bind(("lo", socket.htons(0x88c7)))
foreign = b"\x02\x03\x04\x05\x06\x07"
proto = b"\x88\xc7"
tests = []
# RSN: too short pre-auth packet (len=14)
tests += [_bssid + foreign + proto]
# Not EAPOL-Start
tests += [_bssid + foreign + proto + struct.pack('>BBH', 0, 0, 0)]
# RSN: pre-auth for foreign address 02:03:04:05:06:07
tests += [foreign + foreign + proto + struct.pack('>BBH', 0, 0, 0)]
# RSN: pre-auth for already association STA 02:00:00:00:00:00
tests += [_bssid + _addr + proto + struct.pack('>BBH', 0, 0, 0)]
# New STA
tests += [_bssid + foreign + proto + struct.pack('>BBH', 0, 1, 1)]
# IEEE 802.1X: received EAPOL-Start from STA
tests += [_bssid + foreign + proto + struct.pack('>BBH', 0, 1, 0)]
# frame too short for this IEEE 802.1X packet
tests += [_bssid + foreign + proto + struct.pack('>BBH', 0, 1, 1)]
# EAPOL-Key - Dropped key data from unauthorized Supplicant
tests += [_bssid + foreign + proto + struct.pack('>BBH', 2, 3, 0)]
# EAPOL-Encapsulated-ASF-Alert
tests += [_bssid + foreign + proto + struct.pack('>BBH', 2, 4, 0)]
# unknown IEEE 802.1X packet type
tests += [_bssid + foreign + proto + struct.pack('>BBH', 2, 255, 0)]
for t in tests:
sock.send(t)
def test_rsn_preauth_local_errors(dev, apdev):
"""RSN pre-authentication and local errors on AP"""
params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
params['rsn_preauth'] = '1'
params['rsn_preauth_interfaces'] = "lo"
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
_bssid = binascii.unhexlify(bssid.replace(':', ''))
sock = socket.socket(socket.AF_PACKET, socket.SOCK_RAW,
socket.htons(0x88c7))
sock.bind(("lo", socket.htons(0x88c7)))
foreign = b"\x02\x03\x04\x05\x06\x07"
foreign2 = b"\x02\x03\x04\x05\x06\x08"
proto = b"\x88\xc7"
with alloc_fail(hapd, 1, "ap_sta_add;rsn_preauth_receive"):
sock.send(_bssid + foreign + proto + struct.pack('>BBH', 2, 1, 0))
wait_fail_trigger(hapd, "GET_ALLOC_FAIL")
with alloc_fail(hapd, 1, "eapol_auth_alloc;rsn_preauth_receive"):
sock.send(_bssid + foreign + proto + struct.pack('>BBH', 2, 1, 0))
wait_fail_trigger(hapd, "GET_ALLOC_FAIL")
sock.send(_bssid + foreign + proto + struct.pack('>BBH', 2, 1, 0))
with alloc_fail(hapd, 1, "eap_server_sm_init;ieee802_1x_new_station;rsn_preauth_receive"):
sock.send(_bssid + foreign2 + proto + struct.pack('>BBH', 2, 1, 0))
wait_fail_trigger(hapd, "GET_ALLOC_FAIL")
sock.send(_bssid + foreign2 + proto + struct.pack('>BBH', 2, 1, 0))
hapd.request("DISABLE")
tests = [(1, "=rsn_preauth_iface_add"),
(2, "=rsn_preauth_iface_add"),
(1, "l2_packet_init;rsn_preauth_iface_add"),
(1, "rsn_preauth_iface_init"),
(1, "rsn_preauth_iface_init")]
for count, func in tests:
with alloc_fail(hapd, count, func):
if "FAIL" not in hapd.request("ENABLE"):
raise Exception("ENABLE succeeded unexpectedly")
hapd.set("rsn_preauth_interfaces", "lo lo lo does-not-exist lo ")
if "FAIL" not in hapd.request("ENABLE"):
raise Exception("ENABLE succeeded unexpectedly")
hapd.set("rsn_preauth_interfaces", " lo lo ")
if "OK" not in hapd.request("ENABLE"):
raise Exception("ENABLE failed")
sock.send(_bssid + foreign + proto + struct.pack('>BBH', 2, 1, 0))
sock.send(_bssid + foreign2 + proto + struct.pack('>BBH', 2, 1, 0))
def test_pmksa_cache_add_failure(dev, apdev):
"""PMKSA cache add failure"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
with alloc_fail(dev[0], 1, "pmksa_cache_add"):
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")