395 lines
16 KiB
Python
395 lines
16 KiB
Python
# Roaming tests
|
|
# Copyright (c) 2013-2021, Jouni Malinen <j@w1.fi>
|
|
#
|
|
# This software may be distributed under the terms of the BSD license.
|
|
# See README for more details.
|
|
|
|
from remotehost import remote_compatible
|
|
import time
|
|
import logging
|
|
logger = logging.getLogger()
|
|
|
|
import hwsim_utils
|
|
import hostapd
|
|
from wpasupplicant import WpaSupplicant
|
|
|
|
@remote_compatible
|
|
def test_ap_roam_open(dev, apdev):
|
|
"""Roam between two open APs"""
|
|
hapd0 = hostapd.add_ap(apdev[0], {"ssid": "test-open"})
|
|
dev[0].connect("test-open", key_mgmt="NONE")
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
hapd1 = hostapd.add_ap(apdev[1], {"ssid": "test-open"})
|
|
dev[0].scan(type="ONLY")
|
|
dev[0].roam(apdev[1]['bssid'])
|
|
hwsim_utils.test_connectivity(dev[0], hapd1)
|
|
dev[0].roam(apdev[0]['bssid'])
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
|
|
def test_ap_ignore_bssid_all(dev, apdev, params):
|
|
"""Ensure we clear the ignore BSSID list if all visible APs reject"""
|
|
hapd0 = hostapd.add_ap(apdev[0], {"ssid": "test-open", "max_num_sta": "0"})
|
|
hapd1 = hostapd.add_ap(apdev[1], {"ssid": "test-open", "max_num_sta": "0"})
|
|
bss0 = hapd0.own_addr()
|
|
bss1 = hapd1.own_addr()
|
|
|
|
dev[0].connect("test-open", key_mgmt="NONE", scan_freq="2412",
|
|
wait_connect=False, bssid=bss0)
|
|
if not dev[0].wait_event(["CTRL-EVENT-AUTH-REJECT"], timeout=10):
|
|
raise Exception("AP 0 didn't reject us")
|
|
dev[0].request("REMOVE_NETWORK all")
|
|
dev[0].dump_monitor()
|
|
dev[0].connect("test-open", key_mgmt="NONE", scan_freq="2412",
|
|
wait_connect=False, bssid=bss1)
|
|
if not dev[0].wait_event(["CTRL-EVENT-AUTH-REJECT"], timeout=10):
|
|
raise Exception("AP 1 didn't reject us")
|
|
ignore_list = get_bssid_ignore_list(dev[0])
|
|
logger.info("ignore list: " + str(ignore_list))
|
|
dev[0].request("REMOVE_NETWORK all")
|
|
dev[0].dump_monitor()
|
|
|
|
hapd0.set("max_num_sta", "1")
|
|
# All visible APs were ignored; we should clear the ignore list and find
|
|
# the AP that now accepts us.
|
|
dev[0].scan_for_bss(bss0, freq=2412)
|
|
dev[0].connect("test-open", key_mgmt="NONE", scan_freq="2412", bssid=bss0)
|
|
|
|
@remote_compatible
|
|
def test_ap_roam_open_failed(dev, apdev):
|
|
"""Roam failure due to rejected authentication"""
|
|
hapd0 = hostapd.add_ap(apdev[0], {"ssid": "test-open"})
|
|
dev[0].connect("test-open", key_mgmt="NONE", scan_freq="2412")
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
params = {"ssid": "test-open", "max_num_sta": "0"}
|
|
hapd1 = hostapd.add_ap(apdev[1], params)
|
|
bssid = hapd1.own_addr()
|
|
|
|
dev[0].scan_for_bss(bssid, freq=2412)
|
|
dev[0].dump_monitor()
|
|
if "OK" not in dev[0].request("ROAM " + bssid):
|
|
raise Exception("ROAM failed")
|
|
|
|
ev = dev[0].wait_event(["CTRL-EVENT-AUTH-REJECT"], 1)
|
|
if not ev:
|
|
raise Exception("CTRL-EVENT-AUTH-REJECT was not seen")
|
|
|
|
dev[0].wait_connected(timeout=5)
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
|
|
def test_ap_roam_open_failed_ssid_mismatch(dev, apdev):
|
|
"""Roam failure due to SSID mismatch"""
|
|
hapd0 = hostapd.add_ap(apdev[0], {"ssid": "test-open"})
|
|
bssid0 = hapd0.own_addr()
|
|
hapd1 = hostapd.add_ap(apdev[1], {"ssid": "test-open2"})
|
|
bssid1 = hapd1.own_addr()
|
|
dev[0].flush_scan_cache()
|
|
dev[0].scan_for_bss(bssid0, freq=2412)
|
|
dev[0].scan_for_bss(bssid1, freq=2412)
|
|
dev[0].connect("test-open", key_mgmt="NONE", scan_freq="2412")
|
|
hapd0.wait_sta()
|
|
bssid = dev[0].get_status_field("bssid")
|
|
if bssid != bssid0:
|
|
raise Exception("Unexpected BSSID reported after initial connection: " + bssid)
|
|
if "FAIL" not in dev[0].request("ROAM " + bssid1):
|
|
raise Exception("ROAM succeed unexpectedly")
|
|
bssid = dev[0].get_status_field("bssid")
|
|
if bssid != bssid0:
|
|
raise Exception("Unexpected BSSID reported after failed roam attempt: " + bssid)
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
|
|
@remote_compatible
|
|
def test_ap_roam_wpa2_psk(dev, apdev):
|
|
"""Roam between two WPA2-PSK APs"""
|
|
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
|
|
hapd0 = hostapd.add_ap(apdev[0], params)
|
|
dev[0].connect("test-wpa2-psk", psk="12345678")
|
|
hapd0.wait_sta()
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
hapd1 = hostapd.add_ap(apdev[1], params)
|
|
dev[0].scan(type="ONLY")
|
|
dev[0].roam(apdev[1]['bssid'])
|
|
hapd1.wait_sta()
|
|
hwsim_utils.test_connectivity(dev[0], hapd1)
|
|
dev[0].roam(apdev[0]['bssid'])
|
|
hapd0.wait_sta()
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
|
|
def test_ap_roam_wpa2_psk_pmf_mismatch(dev, apdev):
|
|
"""Roam between two WPA2-PSK APs - PMF mismatch"""
|
|
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
|
|
params['ieee80211w'] = '1'
|
|
hapd0 = hostapd.add_ap(apdev[0], params)
|
|
bssid0 = hapd0.own_addr()
|
|
params['ieee80211w'] = '0'
|
|
hapd1 = hostapd.add_ap(apdev[1], params)
|
|
bssid1 = hapd1.own_addr()
|
|
dev[0].flush_scan_cache()
|
|
dev[0].scan_for_bss(bssid0, freq=2412)
|
|
dev[0].scan_for_bss(bssid1, freq=2412)
|
|
dev[0].connect("test-wpa2-psk", psk="12345678", ieee80211w='2')
|
|
hapd0.wait_sta()
|
|
bssid = dev[0].get_status_field("bssid")
|
|
if bssid != bssid0:
|
|
raise Exception("Unexpected BSSID reported after initial connection: " + bssid)
|
|
if "OK" not in dev[0].request("ROAM " + apdev[1]['bssid']):
|
|
raise Exception("ROAM failed")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.5)
|
|
if ev is not None:
|
|
raise Exception("Unexpected connection reported")
|
|
bssid = dev[0].get_status_field("bssid")
|
|
if bssid != bssid0:
|
|
raise Exception("Unexpected BSSID reported after failed roam attempt: " + bssid)
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
|
|
def get_bssid_ignore_list(dev):
|
|
return dev.request("BSSID_IGNORE").splitlines()
|
|
|
|
def test_ap_reconnect_auth_timeout(dev, apdev, params):
|
|
"""Reconnect to 2nd AP and authentication times out"""
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add("wlan5",
|
|
drv_params="force_connect_cmd=1,force_bss_selection=1")
|
|
|
|
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
|
|
hapd0 = hostapd.add_ap(apdev[0], params)
|
|
bssid0 = hapd0.own_addr()
|
|
|
|
wpas.scan_for_bss(bssid0, freq=2412)
|
|
id = wpas.connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
|
|
hapd0.wait_sta()
|
|
hwsim_utils.test_connectivity(wpas, hapd0)
|
|
|
|
hapd1 = hostapd.add_ap(apdev[1], params)
|
|
bssid1 = hapd1.own_addr()
|
|
|
|
wpas.request("BSSID_IGNORE " + bssid0)
|
|
|
|
wpas.scan_for_bss(bssid1, freq=2412)
|
|
wpas.request("DISCONNECT")
|
|
if "OK" not in wpas.request("SET ignore_auth_resp 1"):
|
|
raise Exception("SET ignore_auth_resp failed")
|
|
if "OK" not in wpas.request("ENABLE_NETWORK " + str(id)):
|
|
raise Exception("ENABLE_NETWORK failed")
|
|
if "OK" not in wpas.request("SELECT_NETWORK " + str(id)):
|
|
raise Exception("SELECT_NETWORK failed")
|
|
|
|
logger.info("Wait ~10s for auth timeout...")
|
|
time.sleep(10)
|
|
ev = wpas.wait_event(["CTRL-EVENT-SCAN-STARTED"], 12)
|
|
if not ev:
|
|
raise Exception("CTRL-EVENT-SCAN-STARTED not seen")
|
|
|
|
b = get_bssid_ignore_list(wpas)
|
|
if '00:00:00:00:00:00' in b:
|
|
raise Exception("Unexpected ignore list contents: " + str(b))
|
|
if bssid1 not in b:
|
|
raise Exception("Unexpected ignore list contents: " + str(b))
|
|
|
|
def test_ap_roam_with_reassoc_auth_timeout(dev, apdev, params):
|
|
"""Roam using reassoc between two APs and authentication times out"""
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add("wlan5",
|
|
drv_params="force_connect_cmd=1,force_bss_selection=1")
|
|
|
|
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
|
|
hapd0 = hostapd.add_ap(apdev[0], params)
|
|
bssid0 = hapd0.own_addr()
|
|
|
|
id = wpas.connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
|
|
hapd0.wait_sta()
|
|
hwsim_utils.test_connectivity(wpas, hapd0)
|
|
|
|
hapd1 = hostapd.add_ap(apdev[1], params)
|
|
bssid1 = hapd1.own_addr()
|
|
wpas.scan_for_bss(bssid1, freq=2412)
|
|
|
|
if "OK" not in wpas.request("SET_NETWORK " + str(id) + " bssid " + bssid1):
|
|
raise Exception("SET_NETWORK failed")
|
|
if "OK" not in wpas.request("SET ignore_auth_resp 1"):
|
|
raise Exception("SET ignore_auth_resp failed")
|
|
if "OK" not in wpas.request("REASSOCIATE"):
|
|
raise Exception("REASSOCIATE failed")
|
|
|
|
logger.info("Wait ~10s for auth timeout...")
|
|
time.sleep(10)
|
|
ev = wpas.wait_event(["CTRL-EVENT-SCAN-STARTED"], 12)
|
|
if not ev:
|
|
raise Exception("CTRL-EVENT-SCAN-STARTED not seen")
|
|
|
|
b = get_bssid_ignore_list(wpas)
|
|
if bssid0 in b:
|
|
raise Exception("Unexpected ignore list contents: " + str(b))
|
|
|
|
def test_ap_roam_wpa2_psk_failed(dev, apdev, params):
|
|
"""Roam failure with WPA2-PSK AP due to wrong passphrase"""
|
|
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
|
|
hapd0 = hostapd.add_ap(apdev[0], params)
|
|
id = dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
|
|
hapd0.wait_sta()
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
params['wpa_passphrase'] = "22345678"
|
|
hapd1 = hostapd.add_ap(apdev[1], params)
|
|
bssid = hapd1.own_addr()
|
|
dev[0].scan_for_bss(bssid, freq=2412)
|
|
|
|
dev[0].dump_monitor()
|
|
if "OK" not in dev[0].request("ROAM " + bssid):
|
|
raise Exception("ROAM failed")
|
|
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SSID-TEMP-DISABLED",
|
|
"CTRL-EVENT-CONNECTED"], 5)
|
|
if "CTRL-EVENT-CONNECTED" in ev:
|
|
raise Exception("Got unexpected CTRL-EVENT-CONNECTED")
|
|
if "CTRL-EVENT-SSID-TEMP-DISABLED" not in ev:
|
|
raise Exception("CTRL-EVENT-SSID-TEMP-DISABLED not seen")
|
|
|
|
if "OK" not in dev[0].request("SELECT_NETWORK id=" + str(id)):
|
|
raise Exception("SELECT_NETWORK failed")
|
|
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SSID-REENABLED"], 3)
|
|
if not ev:
|
|
raise Exception("CTRL-EVENT-SSID-REENABLED not seen")
|
|
|
|
dev[0].wait_connected(timeout=5)
|
|
hapd0.wait_sta()
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
|
|
@remote_compatible
|
|
def test_ap_reassociation_to_same_bss(dev, apdev):
|
|
"""Reassociate to the same BSS"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "test-open"})
|
|
dev[0].connect("test-open", key_mgmt="NONE")
|
|
hapd.wait_sta()
|
|
|
|
dev[0].request("REASSOCIATE")
|
|
dev[0].wait_connected(timeout=10, error="Reassociation timed out")
|
|
hapd.wait_sta()
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
|
|
dev[0].request("REATTACH")
|
|
dev[0].wait_connected(timeout=10, error="Reattach timed out")
|
|
hapd.wait_sta()
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
|
|
# Wait for previous scan results to expire to trigger new scan
|
|
time.sleep(5)
|
|
dev[0].request("REATTACH")
|
|
dev[0].wait_connected(timeout=10, error="Reattach timed out")
|
|
hapd.wait_sta()
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
|
|
@remote_compatible
|
|
def test_ap_roam_set_bssid(dev, apdev):
|
|
"""Roam control"""
|
|
hostapd.add_ap(apdev[0], {"ssid": "test-open"})
|
|
hostapd.add_ap(apdev[1], {"ssid": "test-open"})
|
|
id = dev[0].connect("test-open", key_mgmt="NONE", bssid=apdev[1]['bssid'],
|
|
scan_freq="2412")
|
|
if dev[0].get_status_field('bssid') != apdev[1]['bssid']:
|
|
raise Exception("Unexpected BSS")
|
|
# for now, these are just verifying that the code path to indicate
|
|
# within-ESS roaming changes can be executed; the actual results of those
|
|
# operations are not currently verified (that would require a test driver
|
|
# that does BSS selection)
|
|
dev[0].set_network(id, "bssid", "")
|
|
dev[0].set_network(id, "bssid", apdev[0]['bssid'])
|
|
dev[0].set_network(id, "bssid", apdev[1]['bssid'])
|
|
|
|
@remote_compatible
|
|
def test_ap_roam_wpa2_psk_race(dev, apdev):
|
|
"""Roam between two WPA2-PSK APs and try to hit a disconnection race"""
|
|
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
|
|
hapd0 = hostapd.add_ap(apdev[0], params)
|
|
dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
|
|
hapd0.wait_sta()
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
|
|
params['channel'] = '2'
|
|
hapd1 = hostapd.add_ap(apdev[1], params)
|
|
dev[0].scan_for_bss(apdev[1]['bssid'], freq=2417)
|
|
dev[0].roam(apdev[1]['bssid'])
|
|
hapd1.wait_sta()
|
|
hwsim_utils.test_connectivity(dev[0], hapd1)
|
|
dev[0].roam(apdev[0]['bssid'])
|
|
hapd0.wait_sta()
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
# Wait at least two seconds to trigger the previous issue with the
|
|
# disconnection callback.
|
|
for i in range(3):
|
|
time.sleep(0.8)
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
|
|
def test_ap_roam_signal_level_override(dev, apdev):
|
|
"""Roam between two APs based on driver signal level override"""
|
|
hapd0 = hostapd.add_ap(apdev[0], {"ssid": "test-open"})
|
|
bssid0 = apdev[0]['bssid']
|
|
hapd1 = hostapd.add_ap(apdev[1], {"ssid": "test-open"})
|
|
bssid1 = apdev[1]['bssid']
|
|
dev[0].scan_for_bss(bssid0, freq=2412)
|
|
dev[0].scan_for_bss(bssid1, freq=2412)
|
|
|
|
dev[0].connect("test-open", key_mgmt="NONE")
|
|
bssid = dev[0].get_status_field('bssid')
|
|
if bssid == bssid0:
|
|
dst = bssid1
|
|
src = bssid0
|
|
else:
|
|
dst = bssid0
|
|
src = bssid1
|
|
|
|
dev[0].scan(freq=2412)
|
|
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], 0.5)
|
|
if ev is not None:
|
|
raise Exception("Unexpected roam")
|
|
|
|
orig_res = dev[0].request("SIGNAL_POLL")
|
|
dev[0].set("driver_signal_override", src + " -1 -2 -3 -4 -5")
|
|
res = dev[0].request("SIGNAL_POLL").splitlines()
|
|
if "RSSI=-1" not in res or \
|
|
"AVG_RSSI=-2" not in res or \
|
|
"AVG_BEACON_RSSI=-3" not in res or \
|
|
"NOISE=-4" not in res:
|
|
raise Exception("SIGNAL_POLL override did not work: " + str(res))
|
|
|
|
dev[0].set("driver_signal_override", src)
|
|
new_res = dev[0].request("SIGNAL_POLL")
|
|
if orig_res != new_res:
|
|
raise Exception("SIGNAL_POLL restore did not work: " + new_res)
|
|
|
|
tests = [("-30 -30 -30 -95 -30", "-30 -30 -30 -95 -30"),
|
|
("-30 -30 -30 -95 -30", "-20 -20 -20 -95 -20"),
|
|
("-90 -90 -90 -95 -90", "-89 -89 -89 -95 -89"),
|
|
("-90 -90 -90 -95 -95", "-89 -89 -89 -95 -89")]
|
|
for src_override, dst_override in tests:
|
|
dev[0].set("driver_signal_override", src + " " + src_override)
|
|
dev[0].set("driver_signal_override", dst + " " + dst_override)
|
|
dev[0].scan(freq=2412)
|
|
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], 0.1)
|
|
if ev is not None:
|
|
raise Exception("Unexpected roam")
|
|
dev[0].dump_monitor()
|
|
|
|
dev[0].set("driver_signal_override", src + " -90 -90 -90 -95 -90")
|
|
dev[0].set("driver_signal_override", dst + " -80 -80 -80 -95 -80")
|
|
dev[0].scan(freq=2412)
|
|
dev[0].wait_connected()
|
|
if dst != dev[0].get_status_field('bssid'):
|
|
raise Exception("Unexpected AP after roam")
|
|
dev[0].dump_monitor()
|
|
|
|
def test_ap_roam_during_scan(dev, apdev):
|
|
"""Roam command during a scan operation"""
|
|
hapd0 = hostapd.add_ap(apdev[0], {"ssid": "test-open"})
|
|
dev[0].scan_for_bss(hapd0.own_addr(), freq=2412)
|
|
dev[0].connect("test-open", key_mgmt="NONE")
|
|
hapd1 = hostapd.add_ap(apdev[1], {"ssid": "test-open"})
|
|
dev[0].scan_for_bss(hapd1.own_addr(), freq=2412)
|
|
if "OK" not in dev[0].request("SCAN"):
|
|
raise Exception("Failed to start scan")
|
|
if "OK" not in dev[0].request("ROAM " + hapd1.own_addr()):
|
|
raise Exception("Failed to issue ROAM")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Connection not reported after ROAM")
|
|
if hapd1.own_addr() not in ev:
|
|
raise Exception("Connected to unexpected AP")
|