fragattacks/tests/hwsim/test_mbo.py

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# MBO tests
# Copyright (c) 2016, Intel Deutschland GmbH
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import logging
logger = logging.getLogger()
import hostapd
import os
import time
from tshark import run_tshark
def test_mbo_assoc_disallow(dev, apdev, params):
hapd1 = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "MBO", "mbo": "1" })
hapd2 = hostapd.add_ap(apdev[1]['ifname'], { "ssid": "MBO", "mbo": "1" })
logger.debug("Set mbo_assoc_disallow with invalid value")
if "FAIL" not in hapd1.request("SET mbo_assoc_disallow 2"):
raise Exception("Set mbo_assoc_disallow for AP1 succeeded unexpectedly with value 2")
logger.debug("Disallow associations to AP1 and allow association to AP2")
if "OK" not in hapd1.request("SET mbo_assoc_disallow 1"):
raise Exception("Failed to set mbo_assoc_disallow for AP1")
if "OK" not in hapd2.request("SET mbo_assoc_disallow 0"):
raise Exception("Failed to set mbo_assoc_disallow for AP2")
dev[0].connect("MBO", key_mgmt="NONE", scan_freq="2412")
out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
"wlan.fc.type == 0 && wlan.fc.type_subtype == 0x00",
wait=False)
if "Destination address: " + hapd1.own_addr() in out:
raise Exception("Association request sent to disallowed AP")
timestamp = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
"wlan.fc.type_subtype == 0x00",
display=['frame.time'], wait=False)
logger.debug("Allow associations to AP1 and disallow assications to AP2")
if "OK" not in hapd1.request("SET mbo_assoc_disallow 0"):
raise Exception("Failed to set mbo_assoc_disallow for AP1")
if "OK" not in hapd2.request("SET mbo_assoc_disallow 1"):
raise Exception("Failed to set mbo_assoc_disallow for AP2")
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
# Force new scan, so the assoc_disallowed indication is updated */
dev[0].request("FLUSH")
dev[0].connect("MBO", key_mgmt="NONE", scan_freq="2412")
filter = 'wlan.fc.type == 0 && wlan.fc.type_subtype == 0x00 && frame.time > "' + timestamp.rstrip() + '"'
out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
filter, wait=False)
if "Destination address: " + hapd2.own_addr() in out:
raise Exception("Association request sent to disallowed AP 2")
def test_mbo_cell_capa_update(dev, apdev):
"""MBO cellular data capability update"""
ssid = "test-wnm-mbo"
params = { 'ssid': ssid, 'mbo': '1' }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
bssid = apdev[0]['bssid']
if "OK" not in dev[0].request("SET mbo_cell_capa 1"):
raise Exception("Failed to set STA as cellular data capable")
dev[0].connect(ssid, key_mgmt="NONE", scan_freq="2412")
addr = dev[0].own_addr()
sta = hapd.get_sta(addr)
if 'mbo_cell_capa' not in sta or sta['mbo_cell_capa'] != '1':
raise Exception("mbo_cell_capa missing after association")
if "OK" not in dev[0].request("SET mbo_cell_capa 3"):
raise Exception("Failed to set STA as cellular data not-capable")
time.sleep(0.2)
sta = hapd.get_sta(addr)
if 'mbo_cell_capa' not in sta:
raise Exception("mbo_cell_capa missing after update")
if sta['mbo_cell_capa'] != '3':
raise Exception("mbo_cell_capa not updated properly")
def test_mbo_cell_capa_update_pmf(dev, apdev):
"""MBO cellular data capability update with PMF required"""
ssid = "test-wnm-mbo"
passphrase = "12345678"
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params["wpa_key_mgmt"] = "WPA-PSK-SHA256";
params["ieee80211w"] = "2";
params['mbo'] = '1'
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
bssid = apdev[0]['bssid']
if "OK" not in dev[0].request("SET mbo_cell_capa 1"):
raise Exception("Failed to set STA as cellular data capable")
dev[0].connect(ssid, psk=passphrase, key_mgmt="WPA-PSK-SHA256",
proto="WPA2", ieee80211w="2", scan_freq="2412")
addr = dev[0].own_addr()
sta = hapd.get_sta(addr)
if 'mbo_cell_capa' not in sta or sta['mbo_cell_capa'] != '1':
raise Exception("mbo_cell_capa missing after association")
if "OK" not in dev[0].request("SET mbo_cell_capa 3"):
raise Exception("Failed to set STA as cellular data not-capable")
time.sleep(0.2)
sta = hapd.get_sta(addr)
if 'mbo_cell_capa' not in sta:
raise Exception("mbo_cell_capa missing after update")
if sta['mbo_cell_capa'] != '3':
raise Exception("mbo_cell_capa not updated properly")
def test_mbo_non_pref_chan(dev, apdev):
"""MBO non-preferred channel list"""
ssid = "test-wnm-mbo"
params = { 'ssid': ssid, 'mbo': '1' }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
bssid = apdev[0]['bssid']
if "OK" not in dev[0].request("SET non_pref_chan 81:7:200:3"):
raise Exception("Failed to set non-preferred channel list")
if "OK" not in dev[0].request("SET non_pref_chan 81:7:200:1:123 81:9:100:2"):
raise Exception("Failed to set non-preferred channel list")
dev[0].connect(ssid, key_mgmt="NONE", scan_freq="2412")
addr = dev[0].own_addr()
sta = hapd.get_sta(addr)
logger.debug("STA: " + str(sta))
if 'non_pref_chan[0]' not in sta:
raise Exception("Missing non_pref_chan[0] value (assoc)")
if sta['non_pref_chan[0]'] != '81:200:1:123:7':
raise Exception("Unexpected non_pref_chan[0] value (assoc)")
if 'non_pref_chan[1]' not in sta:
raise Exception("Missing non_pref_chan[1] value (assoc)")
if sta['non_pref_chan[1]'] != '81:100:2:0:9':
raise Exception("Unexpected non_pref_chan[1] value (assoc)")
if 'non_pref_chan[2]' in sta:
raise Exception("Unexpected non_pref_chan[2] value (assoc)")
if "OK" not in dev[0].request("SET non_pref_chan 81:9:100:2"):
raise Exception("Failed to update non-preferred channel list")
time.sleep(0.1)
sta = hapd.get_sta(addr)
logger.debug("STA: " + str(sta))
if 'non_pref_chan[0]' not in sta:
raise Exception("Missing non_pref_chan[0] value (update 1)")
if sta['non_pref_chan[0]'] != '81:100:2:0:9':
raise Exception("Unexpected non_pref_chan[0] value (update 1)")
if 'non_pref_chan[1]' in sta:
raise Exception("Unexpected non_pref_chan[2] value (update 1)")
if "OK" not in dev[0].request("SET non_pref_chan 81:9:100:2 81:10:100:2 81:8:100:2 81:7:100:1:123 81:5:100:1:124"):
raise Exception("Failed to update non-preferred channel list")
time.sleep(0.1)
sta = hapd.get_sta(addr)
logger.debug("STA: " + str(sta))
if 'non_pref_chan[0]' not in sta:
raise Exception("Missing non_pref_chan[0] value (update 2)")
if sta['non_pref_chan[0]'] != '81:100:1:123:7':
raise Exception("Unexpected non_pref_chan[0] value (update 2)")
if 'non_pref_chan[1]' not in sta:
raise Exception("Missing non_pref_chan[1] value (update 2)")
if sta['non_pref_chan[1]'] != '81:100:1:124:5':
raise Exception("Unexpected non_pref_chan[1] value (update 2)")
if 'non_pref_chan[2]' not in sta:
raise Exception("Missing non_pref_chan[2] value (update 2)")
if sta['non_pref_chan[2]'] != '81:100:2:0:9,10,8':
raise Exception("Unexpected non_pref_chan[2] value (update 2)")
if 'non_pref_chan[3]' in sta:
raise Exception("Unexpected non_pref_chan[3] value (update 2)")
if "OK" not in dev[0].request("SET non_pref_chan 81:5:90:2 82:14:91:2"):
raise Exception("Failed to update non-preferred channel list")
time.sleep(0.1)
sta = hapd.get_sta(addr)
logger.debug("STA: " + str(sta))
if 'non_pref_chan[0]' not in sta:
raise Exception("Missing non_pref_chan[0] value (update 3)")
if sta['non_pref_chan[0]'] != '81:90:2:0:5':
raise Exception("Unexpected non_pref_chan[0] value (update 3)")
if 'non_pref_chan[1]' not in sta:
raise Exception("Missing non_pref_chan[1] value (update 3)")
if sta['non_pref_chan[1]'] != '82:91:2:0:14':
raise Exception("Unexpected non_pref_chan[1] value (update 3)")
if 'non_pref_chan[2]' in sta:
raise Exception("Unexpected non_pref_chan[2] value (update 3)")
if "OK" not in dev[0].request("SET non_pref_chan "):
raise Exception("Failed to update non-preferred channel list")
time.sleep(0.1)
sta = hapd.get_sta(addr)
logger.debug("STA: " + str(sta))
if 'non_pref_chan[0]' in sta:
raise Exception("Unexpected non_pref_chan[0] value (update 4)")
def test_mbo_sta_supp_op_classes(dev, apdev):
"""MBO STA supported operating classes"""
ssid = "test-wnm-mbo"
params = { 'ssid': ssid, 'mbo': '1' }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect(ssid, key_mgmt="NONE", scan_freq="2412")
addr = dev[0].own_addr()
sta = hapd.get_sta(addr)
logger.debug("STA: " + str(sta))
if 'supp_op_classes' not in sta:
raise Exception("No supp_op_classes")
supp = bytearray(sta['supp_op_classes'].decode("hex"))
if supp[0] != 81:
raise Exception("Unexpected current operating class %d" % supp[0])
if 115 not in supp:
raise Exception("Operating class 115 missing")