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hostapd/tests/hwsim/test_rsn_override.py
Jouni Malinen d15403aefb tests: Make rsn_override_mld_too_long_elems more robust 
Wait longer for the disconnection event since the previous wait was
exactly the same length as the authentication timeout in wpa_supplicant
and as such, subject to race conditions.

Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
2024-08-29 20:10:22 +03:00

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# Test cases for RSNE/RSNXE overriding
# Copyright (c) 2023-2024, Qualcomm Innovation Center, Inc.
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import hostapd
from utils import *
from hwsim import HWSimRadio
from wpasupplicant import WpaSupplicant
from test_eht import eht_mld_enable_ap, eht_verify_status, eht_verify_wifi_version, traffic_test
def test_rsn_override(dev, apdev):
"""RSNE=WPA2-Personal/PMF-optional override=WPA3-Personal/PMF-required (with MLO parameters)"""
check_sae_capab(dev[0])
ssid = "test-rsn-override"
params = hostapd.wpa2_params(ssid=ssid,
passphrase="12345678",
ieee80211w='1')
params['rsn_override_key_mgmt'] = 'SAE SAE-EXT-KEY'
params['rsn_override_pairwise'] = 'CCMP GCMP-256'
params['rsn_override_mfp'] = '2'
params['beacon_prot'] = '1'
params['sae_groups'] = '19 20'
params['sae_require_mfp'] = '1'
params['sae_pwe'] = '2'
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
try:
dev[0].set("rsn_overriding", "1")
dev[0].scan_for_bss(bssid, freq=2412)
bss = dev[0].get_bss(bssid)
flags = bss['flags']
if "PSK" in flags:
raise Exception("Unexpected BSS flags: " + flags)
if "-SAE+SAE-EXT-KEY-" not in flags:
raise Exception("Unexpected BSS flags: " + flags)
if "-GCMP-256+CCMP" not in flags:
raise Exception("Unexpected BSS flags: " + flags)
dev[0].set("sae_pwe", "2")
dev[0].set("sae_groups", "")
dev[0].connect(ssid, sae_password="12345678", key_mgmt="SAE",
ieee80211w="2", scan_freq="2412")
finally:
dev[0].set("sae_pwe", "0")
dev[0].set("rsn_overriding", "0")
def test_rsn_override2(dev, apdev):
"""RSNE=WPA2-Personal/PMF-disabled override=WPA3-Personal/PMF-required (with MLO parameters)"""
check_sae_capab(dev[0])
ssid = "test-rsn-override"
params = hostapd.wpa2_params(ssid=ssid,
passphrase="12345678",
ieee80211w='0')
params['rsn_override_key_mgmt'] = 'SAE SAE-EXT-KEY'
params['rsn_override_pairwise'] = 'CCMP GCMP-256'
params['rsn_override_mfp'] = '2'
params['beacon_prot'] = '1'
params['sae_groups'] = '19 20'
params['sae_require_mfp'] = '1'
params['sae_pwe'] = '2'
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
try:
dev[0].set("rsn_overriding", "1")
dev[0].scan_for_bss(bssid, freq=2412)
bss = dev[0].get_bss(bssid)
flags = bss['flags']
if "PSK" in flags:
raise Exception("Unexpected BSS flags: " + flags)
if "-SAE+SAE-EXT-KEY-" not in flags:
raise Exception("Unexpected BSS flags: " + flags)
if "-GCMP-256+CCMP" not in flags:
raise Exception("Unexpected BSS flags: " + flags)
dev[0].set("sae_pwe", "2")
dev[0].set("sae_groups", "")
dev[0].connect(ssid, sae_password="12345678", key_mgmt="SAE",
ieee80211w="2", scan_freq="2412")
finally:
dev[0].set("sae_pwe", "0")
dev[0].set("rsn_overriding", "0")
def test_rsn_override_no_pairwise(dev, apdev):
"""RSN overriding and no pairwise cipher match in RSNEO"""
check_sae_capab(dev[0])
ssid = "test-rsn-override"
params = hostapd.wpa2_params(ssid=ssid,
passphrase="12345678",
ieee80211w='1')
params['rsn_override_key_mgmt'] = 'SAE SAE-EXT-KEY'
params['rsn_override_pairwise'] = 'GCMP-256'
params['rsn_override_mfp'] = '2'
params['beacon_prot'] = '1'
params['sae_groups'] = '19 20'
params['sae_require_mfp'] = '1'
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
try:
dev[0].set("rsn_overriding", "1")
dev[0].scan_for_bss(bssid, freq=2412)
dev[0].set("sae_groups", "")
dev[0].connect(ssid, psk="12345678", key_mgmt="WPA-PSK SAE",
pairwise="CCMP", ieee80211w="1", scan_freq="2412")
finally:
dev[0].set("sae_pwe", "0")
dev[0].set("rsn_overriding", "0")
def test_rsn_override_mld(dev, apdev):
"""AP MLD and RSNE=WPA2-Personal/PMF-disabled override=WPA3-Personal/PMF-required"""
run_rsn_override_mld(dev, apdev, False)
def test_rsn_override_mld_mixed(dev, apdev):
"""AP MLD and RSNE=WPA2-Personal/PMF-disabled override=WPA3-Personal/PMF-required on one link"""
run_rsn_override_mld(dev, apdev, True)
def test_rsn_override_mld_only_sta(dev, apdev):
"""AP MLD and RSN overriding only on STA"""
run_rsn_override_mld(dev, apdev, False, only_sta=True)
def test_rsn_override_mld_too_long_elems(dev, apdev):
"""AP MLD and RSN overriding with too long elements"""
run_rsn_override_mld(dev, apdev, False, too_long_elems=True)
def run_rsn_override_mld(dev, apdev, mixed, only_sta=False,
too_long_elems=False):
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add(wpas_iface)
passphrase = 'qwertyuiop'
ssid = "AP MLD RSN override"
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['ieee80211n'] = '1'
params['ieee80211ax'] = '1'
params['ieee80211be'] = '1'
params['channel'] = '1'
params['hw_mode'] = 'g'
params['beacon_prot'] = '1'
params['sae_groups'] = '19 20'
params['sae_require_mfp'] = '1'
params['sae_pwe'] = '2'
if only_sta:
params['wpa_key_mgmt'] = 'SAE SAE-EXT-KEY'
params['rsn_pairwise'] = 'CCMP GCMP-256'
params['ieee80211w'] = '2'
elif not mixed:
params['rsn_override_key_mgmt'] = 'SAE'
params['rsn_override_key_mgmt_2'] = 'SAE-EXT-KEY'
params['rsn_override_pairwise'] = 'CCMP'
params['rsn_override_pairwise_2'] = 'GCMP-256'
params['rsn_override_mfp'] = '1'
params['rsn_override_mfp_2'] = '2'
params1 = dict(params)
if mixed:
params['wpa_key_mgmt'] = 'SAE SAE-EXT-KEY'
params['rsn_pairwise'] = 'CCMP GCMP-256'
params['ieee80211w'] = '2'
params['rsn_override_key_mgmt_2'] = 'SAE SAE-EXT-KEY'
params['rsn_override_pairwise_2'] = 'CCMP GCMP-256'
params['rsn_override_mfp_2'] = '2'
params1['rsn_override_key_mgmt_2'] = 'SAE SAE-EXT-KEY'
params1['rsn_override_pairwise_2'] = 'CCMP GCMP-256'
params1['rsn_override_mfp_2'] = '2'
hapd0 = eht_mld_enable_ap(hapd_iface, params)
params1['channel'] = '6'
if too_long_elems:
params1['rsnoe_override'] = 'ddff506f9a29' + 251*'cc'
hapd1 = eht_mld_enable_ap(hapd_iface, params1)
wpas.set("sae_pwe", "1")
wpas.set("rsn_overriding", "1")
wpas.connect(ssid, sae_password=passphrase, scan_freq="2412 2437",
key_mgmt="SAE-EXT-KEY", ieee80211w="2", beacon_prot="1",
pairwise="GCMP-256 CCMP", wait_connect=not too_long_elems)
if too_long_elems:
ev = wpas.wait_event(['Associated with'], timeout=10)
if ev is None:
raise Exception("Association not reported")
ev = wpas.wait_event(['EAPOL-RX'], timeout=1)
if ev is None:
raise Exception("EAPOL-Key M1 not reported")
ev = wpas.wait_event(['EAPOL-RX', 'CTRL-EVENT-DISCONNECTED'],
timeout=20)
if ev is None:
raise Exception("Disconnection not reported")
# The AP is expected to fail to send M3 due to RSNOE/RSNO2E/RSNXOE
# being too long to fit into the RSN Override Link KDE.
if 'EAPOL-RX' in ev:
raise Exception("Unexpected EAPOL-Key M3 reported")
return
eht_verify_status(wpas, hapd0, 2412, 20, is_ht=True, mld=True,
valid_links=3, active_links=3)
eht_verify_wifi_version(wpas)
traffic_test(wpas, hapd0)
traffic_test(wpas, hapd1)
if only_sta:
return
dev[0].set("rsn_overriding", "0")
dev[0].connect(ssid, psk=passphrase, key_mgmt="WPA-PSK",
scan_freq="2412 2437")
status = wpas.get_status()
logger.debug("wpas STATUS:\n" + str(status))
if status['key_mgmt'] != 'SAE-EXT-KEY' or \
'pmf' not in status or \
status['pmf'] != '2' or \
status['pairwise_cipher'] != 'GCMP-256':
raise Exception("Unexpected result for new STA")
status = dev[0].get_status()
logger.debug("dev[0] STATUS:\n" + str(status))
if status['key_mgmt'] != 'WPA2-PSK' or \
status['pairwise_cipher'] != 'CCMP':
raise Exception("Unexpected result for legacy STA")
def test_rsn_override_connect_cmd(dev, apdev):
"""RSNE=WPA2-Personal/PMF-optional override=WPA3-Personal/PMF-required using cfg80211 connect command"""
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="force_connect_cmd=1 rsn_override_in_driver=1")
check_sae_capab(wpas)
ssid = "test-rsn-override"
params = hostapd.wpa2_params(ssid=ssid,
passphrase="12345678",
ieee80211w='1')
params['rsn_override_key_mgmt'] = 'WPA-PSK-SHA256'
params['rsn_override_pairwise'] = 'CCMP GCMP-256'
params['rsn_override_mfp'] = '2'
params['beacon_prot'] = '1'
hapd = hostapd.add_ap(apdev[0], params)
wpas.set("rsn_overriding", "1")
wpas.connect(ssid, psk="12345678", key_mgmt="WPA-PSK-SHA256",
ieee80211w="2", scan_freq="2412")
def test_rsn_override_omit_rsnxe(dev, apdev):
"""RSN overriding with RSNXE explicitly omitted"""
check_sae_capab(dev[0])
ssid = "test-rsn-override"
params = hostapd.wpa2_params(ssid=ssid,
passphrase="12345678",
ieee80211w='1')
params['rsn_override_key_mgmt'] = 'SAE SAE-EXT-KEY'
params['rsn_override_pairwise'] = 'CCMP GCMP-256'
params['rsn_override_mfp'] = '2'
params['beacon_prot'] = '1'
params['sae_groups'] = '19 20'
params['sae_require_mfp'] = '1'
params['sae_pwe'] = '2'
params['ssid_protection'] = '1'
params['rsn_override_omit_rsnxe'] = '1'
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
try:
dev[0].set("rsn_overriding", "1")
dev[0].scan_for_bss(bssid, freq=2412)
dev[0].set("sae_pwe", "2")
dev[0].set("sae_groups", "")
dev[0].connect(ssid, sae_password="12345678", key_mgmt="SAE",
ieee80211w="2", ssid_protection="1",
scan_freq="2412")
finally:
dev[0].set("sae_pwe", "0")
dev[0].set("rsn_overriding", "0")
def test_rsn_override_replace_ies(dev, apdev):
"""RSN overriding and replaced AP IEs"""
check_sae_capab(dev[0])
ssid = "test-rsn-override"
params = hostapd.wpa2_params(ssid=ssid,
passphrase="12345678",
ieee80211w='1')
params['rsn_override_key_mgmt'] = 'SAE'
params['rsn_override_key_mgmt_2'] = 'SAE-EXT-KEY'
params['rsn_override_pairwise'] = 'CCMP'
params['rsn_override_pairwise_2'] = 'GCMP-256'
params['rsn_override_mfp'] = '1'
params['rsn_override_mfp_2'] = '2'
params['beacon_prot'] = '1'
params['sae_groups'] = '19 20'
params['sae_require_mfp'] = '1'
params['sae_pwe'] = '2'
params['ssid_protection'] = '1'
params['rsne_override'] = '30180100000fac040100000fac040200000facff000fac020c00'
params['rsnxe_override'] = 'f40320eeee'
params['rsnoe_override'] = 'dd1c506f9a290100000fac040100000fac040200000facff000fac088c00'
params['rsno2e_override'] = 'dd1c506f9a2a0100000fac040100000fac090200000facff000fac18cc00'
params['rsnxoe_override'] = 'dd07506f9a2b20bbbb'
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
try:
dev[0].set("rsn_overriding", "1")
dev[0].scan_for_bss(bssid, freq=2412)
dev[0].set("sae_pwe", "2")
dev[0].set("sae_groups", "")
dev[0].connect(ssid, sae_password="12345678", key_mgmt="SAE",
ieee80211w="2", ssid_protection="1",
scan_freq="2412")
finally:
dev[0].set("sae_pwe", "0")
dev[0].set("rsn_overriding", "0")
def test_rsn_override_rsnxe_extensibility(dev, apdev):
"""RSN overriding and RSNXE extensibility"""
check_sae_capab(dev[0])
ssid = "test-rsn-override"
params = hostapd.wpa2_params(ssid=ssid,
passphrase="12345678",
ieee80211w='1')
params['rsn_override_key_mgmt'] = 'SAE SAE-EXT-KEY'
params['rsn_override_pairwise'] = 'CCMP GCMP-256'
params['rsn_override_mfp'] = '2'
params['beacon_prot'] = '1'
params['sae_groups'] = '19 20'
params['sae_require_mfp'] = '1'
params['sae_pwe'] = '2'
params['rsnxe_override'] = 'f4182f0000ffffffffffffffffffffffffffeeeeeeeeeeeeeeee'
params['rsnxoe_override'] = 'dd1c506f9a2b2f0000ffffffffffffffffffffffffffeeeeeeeeeeeeeeee'
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
try:
dev[0].set("rsn_overriding", "1")
dev[0].scan_for_bss(bssid, freq=2412)
dev[0].set("sae_pwe", "2")
dev[0].set("sae_groups", "")
dev[0].connect(ssid, sae_password="12345678", key_mgmt="SAE",
ieee80211w="2", ssid_protection="1",
scan_freq="2412")
finally:
dev[0].set("sae_pwe", "0")
dev[0].set("rsn_overriding", "0")
def test_rsn_override_sta_only(dev, apdev):
"""RSN overriding enabled only on the STA"""
check_sae_capab(dev[0])
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].set("sae_groups", "")
try:
dev[0].set("rsn_overriding", "1")
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
finally:
dev[0].set("rsn_overriding", "0")
def test_rsn_override_compatibility_mode(dev, apdev):
"""RSN overriding and WPA3-Personal Compatibility Mode"""
check_sae_capab(dev[0])
ssid = "test-rsn-override"
params = hostapd.wpa2_params(ssid=ssid,
passphrase="12345678")
params['rsn_override_key_mgmt'] = 'SAE'
params['rsn_override_key_mgmt_2'] = 'SAE-EXT-KEY'
params['rsn_override_pairwise'] = 'CCMP'
params['rsn_override_pairwise_2'] = 'GCMP-256'
params['rsn_override_mfp'] = '2'
params['rsn_override_mfp_2'] = '2'
params['beacon_prot'] = '1'
params['sae_groups'] = '19 20'
params['sae_require_mfp'] = '1'
params['sae_pwe'] = '2'
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
try:
logger.info("RSN overriding capable STA using RSNO2E")
dev[0].set("rsn_overriding", "1")
dev[0].scan_for_bss(bssid, freq=2412)
dev[0].set("sae_pwe", "2")
dev[0].set("sae_groups", "")
dev[0].connect(ssid, sae_password="12345678",
pairwise="GCMP-256", key_mgmt="SAE-EXT-KEY",
ieee80211w="2", scan_freq="2412")
hapd.wait_sta()
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
hapd.wait_sta_disconnect()
logger.info("RSN overriding capable STA using RSNOE")
dev[0].set("sae_pwe", "0")
dev[0].connect(ssid, sae_password="12345678",
pairwise="CCMP", key_mgmt="SAE",
ieee80211w="2", scan_freq="2412")
hapd.wait_sta()
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
hapd.wait_sta_disconnect()
logger.info("RSN overriding capable STA using RSNE")
dev[0].connect(ssid, psk="12345678",
pairwise="CCMP", key_mgmt="WPA-PSK",
ieee80211w="0", scan_freq="2412")
hapd.wait_sta()
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
hapd.wait_sta_disconnect()
logger.info("RSN overriding uncapable STA using RSNE")
dev[0].set("rsn_overriding", "0")
dev[0].connect(ssid, psk="12345678",
pairwise="CCMP", key_mgmt="WPA-PSK",
ieee80211w="0", scan_freq="2412")
hapd.wait_sta()
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
hapd.wait_sta_disconnect()
finally:
dev[0].set("sae_pwe", "0")
dev[0].set("rsn_overriding", "0")
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