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hostap/tests/hwsim/test_wext.py
Jouni Malinen 21cf2c5baf tests: Skip more tests based on missing TKIP support 
This makes it more convenient to run tests with builds that disable
TKIP/WPA(v1) support completely.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2020-04-17 23:51:58 +03:00

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# Deprecated WEXT driver interface in wpa_supplicant
# Copyright (c) 2013-2015, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import logging
logger = logging.getLogger()
import os
import hostapd
import hwsim_utils
from wpasupplicant import WpaSupplicant
from utils import *
from test_rfkill import get_rfkill
from test_wep import check_wep_capa
def get_wext_interface():
if not os.path.exists("/proc/net/wireless"):
raise HwsimSkip("WEXT support not included in the kernel")
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
try:
wpas.interface_add("wlan5", driver="wext")
except Exception as e:
wpas.close_ctrl()
raise HwsimSkip("WEXT driver support not included in wpa_supplicant")
return wpas
def test_wext_open(dev, apdev):
"""WEXT driver interface with open network"""
wpas = get_wext_interface()
params = {"ssid": "wext-open"}
hapd = hostapd.add_ap(apdev[0], params)
wpas.connect("wext-open", key_mgmt="NONE")
hwsim_utils.test_connectivity(wpas, hapd)
def test_wext_wpa2_psk(dev, apdev):
"""WEXT driver interface with WPA2-PSK"""
wpas = get_wext_interface()
params = hostapd.wpa2_params(ssid="wext-wpa2-psk", passphrase="12345678")
hapd = hostapd.add_ap(apdev[0], params)
wpas.connect("wext-wpa2-psk", psk="12345678")
hwsim_utils.test_connectivity(wpas, hapd)
if "RSSI=" not in wpas.request("SIGNAL_POLL"):
raise Exception("Missing RSSI from SIGNAL_POLL")
wpas.dump_monitor()
hapd.request("DEAUTHENTICATE " + wpas.p2p_interface_addr())
wpas.wait_disconnected(timeout=15)
def test_wext_wpa_psk(dev, apdev):
"""WEXT driver interface with WPA-PSK"""
skip_with_fips(dev[0])
skip_without_tkip(dev[0])
wpas = get_wext_interface()
params = hostapd.wpa_params(ssid="wext-wpa-psk", passphrase="12345678")
hapd = hostapd.add_ap(apdev[0], params)
testfile = "/sys/kernel/debug/ieee80211/%s/netdev:%s/tkip_mic_test" % (hapd.get_driver_status_field("phyname"), apdev[0]['ifname'])
if not os.path.exists(testfile):
wpas.close_ctrl()
raise HwsimSkip("tkip_mic_test not supported in mac80211")
wpas.connect("wext-wpa-psk", psk="12345678")
hwsim_utils.test_connectivity(wpas, hapd)
with open(testfile, "w") as f:
f.write(wpas.p2p_interface_addr())
ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected disconnection on first Michael MIC failure")
with open(testfile, "w") as f:
f.write("ff:ff:ff:ff:ff:ff")
ev = wpas.wait_disconnected(timeout=10,
error="No disconnection after two Michael MIC failures")
if "reason=14 locally_generated=1" not in ev:
raise Exception("Unexpected disconnection reason: " + ev)
def test_wext_pmksa_cache(dev, apdev):
"""PMKSA caching with WEXT"""
wpas = get_wext_interface()
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
wpas.connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk user",
password="abcdefghijklmnop0123456789abcdef",
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")
# 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(3):
wpas.scan()
if wpas.get_bss(bssid2) is not None:
break
logger.info("Scan again to find target AP")
wpas.request("ROAM " + bssid2)
ev = wpas.wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10)
if ev is None:
raise Exception("EAP success timed out")
wpas.wait_connected(timeout=10, error="Roaming timed out")
pmksa2 = wpas.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")
wpas.dump_monitor()
logger.info("Roam back to AP1")
wpas.scan()
wpas.request("ROAM " + bssid)
ev = wpas.wait_event(["CTRL-EVENT-EAP-STARTED",
"CTRL-EVENT-CONNECTED"], timeout=15)
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")
wpas.dump_monitor()
if "FAIL" in wpas.request("PMKSA_FLUSH"):
raise Exception("PMKSA_FLUSH failed")
if wpas.get_pmksa(bssid) is not None or wpas.get_pmksa(bssid2) is not None:
raise Exception("PMKSA_FLUSH did not remove PMKSA entries")
wpas.wait_disconnected(timeout=5)
wpas.wait_connected(timeout=15, error="Reconnection timed out")
def test_wext_wep_open_auth(dev, apdev):
"""WEP Open System authentication"""
wpas = get_wext_interface()
check_wep_capa(wpas)
hapd = hostapd.add_ap(apdev[0],
{"ssid": "wep-open",
"wep_key0": '"hello"'})
wpas.connect("wep-open", key_mgmt="NONE", wep_key0='"hello"',
scan_freq="2412")
hwsim_utils.test_connectivity(wpas, hapd)
if "[WEP]" not in wpas.request("SCAN_RESULTS"):
raise Exception("WEP flag not indicated in scan results")
def test_wext_wep_shared_key_auth(dev, apdev):
"""WEP Shared Key authentication"""
wpas = get_wext_interface()
check_wep_capa(wpas)
hapd = hostapd.add_ap(apdev[0],
{"ssid": "wep-shared-key",
"wep_key0": '"hello12345678"',
"auth_algs": "2"})
wpas.connect("wep-shared-key", key_mgmt="NONE", auth_alg="SHARED",
wep_key0='"hello12345678"', scan_freq="2412")
hwsim_utils.test_connectivity(wpas, hapd)
wpas.request("REMOVE_NETWORK all")
wpas.wait_disconnected(timeout=5)
wpas.connect("wep-shared-key", key_mgmt="NONE", auth_alg="OPEN SHARED",
wep_key0='"hello12345678"', scan_freq="2412")
def test_wext_pmf(dev, apdev):
"""WEXT driver interface with WPA2-PSK and PMF"""
wpas = get_wext_interface()
params = hostapd.wpa2_params(ssid="wext-wpa2-psk", passphrase="12345678")
params["wpa_key_mgmt"] = "WPA-PSK-SHA256"
params["ieee80211w"] = "2"
hapd = hostapd.add_ap(apdev[0], params)
wpas.connect("wext-wpa2-psk", psk="12345678", ieee80211w="1",
key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2",
scan_freq="2412")
hwsim_utils.test_connectivity(wpas, hapd)
addr = wpas.p2p_interface_addr()
hapd.request("DEAUTHENTICATE " + addr)
wpas.wait_disconnected(timeout=5)
def test_wext_scan_hidden(dev, apdev):
"""WEXT with hidden SSID"""
wpas = get_wext_interface()
hapd = hostapd.add_ap(apdev[0], {"ssid": "test-scan",
"ignore_broadcast_ssid": "1"})
hapd2 = hostapd.add_ap(apdev[1], {"ssid": "test-scan2",
"ignore_broadcast_ssid": "1"})
id1 = wpas.connect("test-scan", key_mgmt="NONE", scan_ssid="1",
only_add_network=True)
wpas.request("SCAN scan_id=%d" % id1)
ev = wpas.wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=15)
if ev is None:
raise Exception("Scan did not complete")
if "test-scan" not in wpas.request("SCAN_RESULTS"):
raise Exception("Did not find hidden SSID in scan")
id = wpas.connect("test-scan2", key_mgmt="NONE", scan_ssid="1",
only_add_network=True)
wpas.connect_network(id, timeout=30)
wpas.request("DISCONNECT")
hapd2.disable()
hapd.disable()
wpas.interface_remove("wlan5")
wpas.interface_add("wlan5")
wpas.flush_scan_cache(freq=2412)
wpas.flush_scan_cache()
def test_wext_rfkill(dev, apdev):
"""WEXT and rfkill block/unblock"""
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
rfk = get_rfkill(wpas)
wpas.interface_remove("wlan5")
wpas = get_wext_interface()
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
wpas.connect("open", key_mgmt="NONE", scan_freq="2412")
try:
logger.info("rfkill block")
rfk.block()
wpas.wait_disconnected(timeout=10,
error="Missing disconnection event on rfkill block")
logger.info("rfkill unblock")
rfk.unblock()
wpas.wait_connected(timeout=20,
error="Missing connection event on rfkill unblock")
hwsim_utils.test_connectivity(wpas, hapd)
finally:
rfk.unblock()
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