hostapd/tests/hwsim/test_sta_dynamic.py
Jouni Malinen af97aaa503 tests: Random MAC address with two APs
This verifies locally generated deauthentication determination when the
MAC address changes.

Signed-off-by: Jouni Malinen <j@w1.fi>
2022-11-27 14:18:53 +02:00

442 lines
18 KiB
Python

# Dynamic wpa_supplicant interface
# Copyright (c) 2013, 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 subprocess
import time
import hwsim_utils
import hostapd
from wpasupplicant import WpaSupplicant
from utils import *
def test_sta_dynamic(dev, apdev):
"""Dynamically added wpa_supplicant interface"""
params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
hostapd.add_ap(apdev[0], params)
logger.info("Create a dynamic wpa_supplicant interface and connect")
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
wpas.connect("sta-dynamic", psk="12345678", scan_freq="2412")
def test_sta_ap_scan_0(dev, apdev):
"""Dynamically added wpa_supplicant interface with AP_SCAN 0 connection"""
hostapd.add_ap(apdev[0], {"ssid": "test"})
bssid = apdev[0]['bssid']
logger.info("Create a dynamic wpa_supplicant interface and connect")
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
if "OK" not in wpas.request("AP_SCAN 0"):
raise Exception("Failed to set AP_SCAN 2")
id = wpas.connect("", key_mgmt="NONE", bssid=bssid,
only_add_network=True)
wpas.request("ENABLE_NETWORK " + str(id) + " no-connect")
wpas.request("SCAN")
time.sleep(0.5)
subprocess.call(['iw', wpas.ifname, 'connect', 'test', '2412'])
wpas.wait_connected(timeout=10)
wpas.request("SCAN")
wpas.wait_connected(timeout=5)
def test_sta_ap_scan_2(dev, apdev):
"""Dynamically added wpa_supplicant interface with AP_SCAN 2 connection"""
hostapd.add_ap(apdev[0], {"ssid": "test"})
bssid = apdev[0]['bssid']
logger.info("Create a dynamic wpa_supplicant interface and connect")
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
if "FAIL" not in wpas.request("AP_SCAN -1"):
raise Exception("Invalid AP_SCAN -1 accepted")
if "FAIL" not in wpas.request("AP_SCAN 3"):
raise Exception("Invalid AP_SCAN 3 accepted")
if "OK" not in wpas.request("AP_SCAN 2"):
raise Exception("Failed to set AP_SCAN 2")
id = wpas.connect("", key_mgmt="NONE", bssid=bssid,
only_add_network=True)
wpas.request("ENABLE_NETWORK " + str(id) + " no-connect")
subprocess.call(['iw', wpas.ifname, 'scan', 'trigger', 'freq', '2412'])
time.sleep(1)
subprocess.call(['iw', wpas.ifname, 'connect', 'test', '2412'])
wpas.wait_connected(timeout=10)
wpas.request("SET disallow_aps bssid " + bssid)
wpas.wait_disconnected(timeout=10)
subprocess.call(['iw', wpas.ifname, 'connect', 'test', '2412'])
ev = wpas.wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection reported")
def test_sta_ap_scan_2b(dev, apdev):
"""Dynamically added wpa_supplicant interface with AP_SCAN 2 operation"""
hapd = hostapd.add_ap(apdev[0], {"ssid": "test"})
bssid = apdev[0]['bssid']
logger.info("Create a dynamic wpa_supplicant interface and connect")
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
if "OK" not in wpas.request("AP_SCAN 2"):
raise Exception("Failed to set AP_SCAN 2")
id = wpas.connect("test", key_mgmt="NONE", bssid=bssid)
wpas.request("DISCONNECT")
wpas.set_network(id, "disabled", "1")
id2 = wpas.add_network()
wpas.set_network_quoted(id2, "ssid", "test2")
wpas.set_network(id2, "key_mgmt", "NONE")
wpas.set_network(id2, "disabled", "0")
wpas.request("REASSOCIATE")
ev = wpas.wait_event(["CTRL-EVENT-ASSOC-REJECT"], timeout=15)
if ev is None:
raise Exception("Association rejection not reported")
hapd.disable()
wpas.set_network(id, "disabled", "0")
wpas.set_network(id2, "disabled", "1")
for i in range(3):
ev = wpas.wait_event(["CTRL-EVENT-ASSOC-REJECT"], timeout=15)
if ev is None:
raise Exception("Association rejection not reported")
wpas.request("DISCONNECT")
def test_sta_dynamic_down_up(dev, apdev):
"""Dynamically added wpa_supplicant interface down/up"""
params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
hapd = hostapd.add_ap(apdev[0], params)
logger.info("Create a dynamic wpa_supplicant interface and connect")
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
wpas.connect("sta-dynamic", psk="12345678", scan_freq="2412")
hapd.wait_sta()
hwsim_utils.test_connectivity(wpas, hapd)
subprocess.call(['ifconfig', wpas.ifname, 'down'])
wpas.wait_disconnected(timeout=10)
if wpas.get_status_field("wpa_state") != "INTERFACE_DISABLED":
raise Exception("Unexpected wpa_state")
subprocess.call(['ifconfig', wpas.ifname, 'up'])
wpas.wait_connected(timeout=15, error="Reconnection not reported")
hapd.wait_sta()
hwsim_utils.test_connectivity(wpas, hapd)
def test_sta_dynamic_ext_mac_addr_change(dev, apdev):
"""Dynamically added wpa_supplicant interface with external MAC address change"""
params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
hapd = hostapd.add_ap(apdev[0], params)
logger.info("Create a dynamic wpa_supplicant interface and connect")
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
wpas.connect("sta-dynamic", psk="12345678", scan_freq="2412")
hapd.wait_sta()
hwsim_utils.test_connectivity(wpas, hapd)
subprocess.call(['ifconfig', wpas.ifname, 'down'])
wpas.wait_disconnected(timeout=10)
if wpas.get_status_field("wpa_state") != "INTERFACE_DISABLED":
raise Exception("Unexpected wpa_state")
prev_addr = wpas.p2p_interface_addr()
new_addr = '02:11:22:33:44:55'
try:
subprocess.call(['ip', 'link', 'set', 'dev', wpas.ifname,
'address', new_addr])
subprocess.call(['ifconfig', wpas.ifname, 'up'])
wpas.wait_connected(timeout=15, error="Reconnection not reported")
if wpas.get_driver_status_field('addr') != new_addr:
raise Exception("Address change not reported")
hapd.wait_sta()
hwsim_utils.test_connectivity(wpas, hapd)
sta = hapd.get_sta(new_addr)
if sta['addr'] != new_addr:
raise Exception("STA association with new address not found")
finally:
subprocess.call(['ifconfig', wpas.ifname, 'down'])
subprocess.call(['ip', 'link', 'set', 'dev', wpas.ifname,
'address', prev_addr])
subprocess.call(['ifconfig', wpas.ifname, 'up'])
def test_sta_dynamic_ext_mac_addr_change_for_connection(dev, apdev):
"""Dynamically added wpa_supplicant interface with external MAC address change for connection"""
params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['ifname']
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
wpas.scan_for_bss(bssid, freq=2412)
subprocess.call(['ifconfig', wpas.ifname, 'down'])
if wpas.get_status_field("wpa_state") != "INTERFACE_DISABLED":
raise Exception("Unexpected wpa_state")
prev_addr = wpas.own_addr()
new_addr = '02:11:22:33:44:55'
try:
subprocess.call(['ip', 'link', 'set', 'dev', wpas.ifname,
'address', new_addr])
subprocess.call(['ifconfig', wpas.ifname, 'up'])
wpas.connect("sta-dynamic", psk="12345678", scan_freq="2412",
wait_connect=False)
ev = wpas.wait_event(["CTRL-EVENT-CONNECTED",
"CTRL-EVENT-SCAN-RESULTS"], timeout=10)
if "CTRL-EVENT-SCAN-RESULTS" in ev:
raise Exception("Unexpected scan after MAC address change")
hapd.wait_sta()
hwsim_utils.test_connectivity(wpas, hapd)
sta = hapd.get_sta(new_addr)
if sta['addr'] != new_addr:
raise Exception("STA association with new address not found")
wpas.request("DISCONNECT")
wpas.wait_disconnected()
wpas.dump_monitor()
subprocess.call(['ifconfig', wpas.ifname, 'down'])
time.sleep(0.1)
res = wpas.get_bss(bssid)
if res is None:
raise Exception("BSS entry not maintained after interface disabling")
ev = wpas.wait_event(["CTRL-EVENT-BSS-REMOVED"], timeout=5.5)
if ev is None:
raise Exception("BSS entry not removed after interface has been disabled for a while")
res2 = wpas.get_bss(bssid)
if res2 is not None:
raise Exception("Unexpected BSS entry found on a disabled interface")
finally:
subprocess.call(['ifconfig', wpas.ifname, 'down'])
subprocess.call(['ip', 'link', 'set', 'dev', wpas.ifname,
'address', prev_addr])
subprocess.call(['ifconfig', wpas.ifname, 'up'])
def test_sta_dynamic_random_mac_addr(dev, apdev):
"""Dynamically added wpa_supplicant interface and random MAC address"""
params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
hapd = hostapd.add_ap(apdev[0], params)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
addr0 = wpas.get_driver_status_field("addr")
wpas.request("SET preassoc_mac_addr 1")
wpas.request("SET rand_addr_lifetime 0")
id = wpas.connect("sta-dynamic", psk="12345678", mac_addr="1",
scan_freq="2412")
addr1 = wpas.get_driver_status_field("addr")
if addr0 == addr1:
raise Exception("Random MAC address not used")
sta = hapd.get_sta(addr0)
if sta['addr'] != "FAIL":
raise Exception("Unexpected STA association with permanent address")
sta = hapd.get_sta(addr1)
if sta['addr'] != addr1:
raise Exception("STA association with random address not found")
wpas.request("DISCONNECT")
wpas.connect_network(id)
addr2 = wpas.get_driver_status_field("addr")
if addr1 != addr2:
raise Exception("Random MAC address changed unexpectedly")
wpas.remove_network(id)
id = wpas.connect("sta-dynamic", psk="12345678", mac_addr="1",
scan_freq="2412")
addr2 = wpas.get_driver_status_field("addr")
if addr1 == addr2:
raise Exception("Random MAC address did not change")
def test_sta_dynamic_random_mac_addr_two_aps(dev, apdev):
"""Dynamically added wpa_supplicant interface and random MAC address with two APs"""
params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
hapd = hostapd.add_ap(apdev[0], params)
params = hostapd.wpa2_params(ssid="sta-dynamic2", passphrase="12345678")
hapd2 = hostapd.add_ap(apdev[1], params)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
addr0 = wpas.get_driver_status_field("addr")
wpas.request("SET preassoc_mac_addr 1")
wpas.request("SET rand_addr_lifetime 0")
wpas.scan_for_bss(hapd.own_addr(), freq=2412)
wpas.scan_for_bss(hapd2.own_addr(), freq=2412)
id = wpas.connect("sta-dynamic", psk="12345678", mac_addr="1",
scan_freq="2412")
addr1 = wpas.get_driver_status_field("addr")
if addr0 == addr1:
raise Exception("Random MAC address not used")
sta = hapd.get_sta(addr0)
if sta['addr'] != "FAIL":
raise Exception("Unexpected STA association with permanent address")
sta = hapd.get_sta(addr1)
if sta['addr'] != addr1:
raise Exception("STA association with random address not found")
id2 = wpas.connect("sta-dynamic2", psk="12345678", mac_addr="1",
scan_freq="2412")
addr2 = wpas.get_driver_status_field("addr")
if addr0 == addr2:
raise Exception("Random MAC address not used(2)")
if addr1 == addr2:
raise Exception("Random MAC address not change for another ESS)")
sta = hapd2.get_sta(addr0)
if sta['addr'] != "FAIL":
raise Exception("Unexpected STA association with permanent address(2)")
sta = hapd2.get_sta(addr2)
if sta['addr'] != addr2:
raise Exception("STA association with random address not found(2)")
wpas.dump_monitor()
wpas.request("ENABLE_NETWORK " + str(id) + " no-connect")
hapd2.request("STOP_AP")
ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=10)
if ev is None:
raise Exception("Disconnection due to beacon loss not reported")
if "bssid=" + hapd2.own_addr() + " reason=4 locally_generated=1" not in ev:
raise Exception("Unexpected disconnection event values")
wpas.wait_connected()
addr3 = wpas.get_driver_status_field("addr")
if addr3 == addr0 or addr3 == addr2:
raise Exception("Random MAC address not changed on return to previous AP")
hapd2.disable()
sta = hapd.get_sta(addr3)
if sta['addr'] != addr3:
raise Exception("STA association with random address not found(3)")
def test_sta_dynamic_random_mac_addr_keep_oui(dev, apdev):
"""Dynamically added wpa_supplicant interface and random MAC address (keep OUI)"""
params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
hapd = hostapd.add_ap(apdev[0], params)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
addr0 = wpas.get_driver_status_field("addr")
wpas.request("SET preassoc_mac_addr 2")
wpas.request("SET rand_addr_lifetime 0")
id = wpas.connect("sta-dynamic", psk="12345678", mac_addr="2",
scan_freq="2412")
addr1 = wpas.get_driver_status_field("addr")
if addr0 == addr1:
raise Exception("Random MAC address not used")
if addr1[3:8] != addr0[3:8]:
raise Exception("OUI was not kept")
sta = hapd.get_sta(addr0)
if sta['addr'] != "FAIL":
raise Exception("Unexpected STA association with permanent address")
sta = hapd.get_sta(addr1)
if sta['addr'] != addr1:
raise Exception("STA association with random address not found")
wpas.request("DISCONNECT")
wpas.connect_network(id)
addr2 = wpas.get_driver_status_field("addr")
if addr1 != addr2:
raise Exception("Random MAC address changed unexpectedly")
wpas.remove_network(id)
id = wpas.connect("sta-dynamic", psk="12345678", mac_addr="2",
scan_freq="2412")
addr2 = wpas.get_driver_status_field("addr")
if addr1 == addr2:
raise Exception("Random MAC address did not change")
if addr2[3:8] != addr0[3:8]:
raise Exception("OUI was not kept")
def test_sta_dynamic_random_mac_addr_scan(dev, apdev):
"""Dynamically added wpa_supplicant interface and random MAC address for scan"""
params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
hapd = hostapd.add_ap(apdev[0], params)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
addr0 = wpas.get_driver_status_field("addr")
wpas.request("SET preassoc_mac_addr 1")
wpas.request("SET rand_addr_lifetime 0")
id = wpas.connect("sta-dynamic", psk="12345678", scan_freq="2412")
addr1 = wpas.get_driver_status_field("addr")
if addr0 != addr1:
raise Exception("Random MAC address used unexpectedly")
def test_sta_dynamic_random_mac_addr_scan_keep_oui(dev, apdev):
"""Dynamically added wpa_supplicant interface and random MAC address for scan (keep OUI)"""
params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
hapd = hostapd.add_ap(apdev[0], params)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
addr0 = wpas.get_driver_status_field("addr")
wpas.request("SET preassoc_mac_addr 2")
wpas.request("SET rand_addr_lifetime 0")
id = wpas.connect("sta-dynamic", psk="12345678", scan_freq="2412")
addr1 = wpas.get_driver_status_field("addr")
if addr0 != addr1:
raise Exception("Random MAC address used unexpectedly")
def test_sta_dynamic_random_mac_addr_pmksa_cache(dev, apdev):
"""Dynamically added wpa_supplicant interface and random MAC address with PMKSA caching"""
params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['ieee80211w'] = '2'
hapd = hostapd.add_ap(apdev[0], params)
params = hostapd.wpa2_params(ssid="another", passphrase="12345678")
hapd2 = hostapd.add_ap(apdev[1], params)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
check_sae_capab(wpas)
addr0 = wpas.get_driver_status_field("addr")
wpas.request("SET preassoc_mac_addr 1")
wpas.request("SET rand_addr_lifetime 0")
wpas.set("sae_groups", "")
id = wpas.connect("sta-dynamic", key_mgmt="SAE", psk="12345678",
ieee80211w="2",
mac_addr="1", scan_freq="2412")
addr1 = wpas.get_driver_status_field("addr")
if addr0 == addr1:
raise Exception("Random MAC address not used")
sta = hapd.get_sta(addr0)
if sta['addr'] != "FAIL":
raise Exception("Unexpected STA association with permanent address")
sta = hapd.get_sta(addr1)
if sta['addr'] != addr1:
raise Exception("STA association with random address not found")
wpas.request("DISCONNECT")
wpas.wait_disconnected()
wpas.connect("another", psk="12345678", mac_addr="1", scan_freq="2412")
wpas.request("DISCONNECT")
wpas.wait_disconnected()
wpas.connect_network(id)
wpas.remove_network(id)
wpas.wait_disconnected()
id = wpas.connect("sta-dynamic", key_mgmt="SAE", psk="12345678",
ieee80211w="2",
mac_addr="1", scan_freq="2412")
addr2 = wpas.get_driver_status_field("addr")
if addr1 == addr2:
raise Exception("Random MAC address did not change")