hostap/tests/hwsim/test_mbo.py
Avraham Stern 6605562af6 tests: MBO association disallowed indication
Add a test that verifies that no Association Request frame is sent to
APs that include the MBO IE with association disallowed attribute in
Beacon and Probe Response frames.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
2016-02-22 19:53:04 +02:00

59 lines
2.4 KiB
Python

# 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
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")