tests: MSCS

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2021-03-23 00:38:45 +02:00
parent 354f87e2e3
commit 1aa2bc46f7

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tests/hwsim/test_mscs.py Normal file
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# Test cases for MSCS
# Copyright (c) 2021, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import struct
import time
import hostapd
from utils import *
def register_mcsc_req(hapd):
type = 0x00d0
match = "1304"
if "OK" not in hapd.request("REGISTER_FRAME %04x %s" % (type, match)):
raise Exception("Could not register frame reception for Robust AV Streaming")
def handle_mscs_req(hapd, wrong_dialog=False, status_code=0):
msg = hapd.mgmt_rx()
if msg['subtype'] != 13:
logger.info("RX:" + str(msg))
raise Exception("Received unexpected Management frame")
categ, act, dialog_token = struct.unpack('BBB', msg['payload'][0:3])
if categ != 19 or act != 4:
logger.info("RX:" + str(msg))
raise Exception("Received unexpected Action frame")
if wrong_dialog:
dialog_token = (dialog_token + 1) % 256
msg['da'] = msg['sa']
msg['sa'] = hapd.own_addr()
msg['payload'] = struct.pack('<BBBH', 19, 5, dialog_token, status_code)
hapd.mgmt_tx(msg)
ev = hapd.wait_event(["MGMT-TX-STATUS"], timeout=5)
if ev is None or "stype=13 ok=1" not in ev:
raise Exception("No TX status reported")
def wait_mscs_result(dev, expect_status=0):
ev = dev.wait_event(["CTRL-EVENT-MSCS-RESULT"], timeout=1)
if ev is None:
raise Exception("No MSCS result reported")
if "status_code=%d" % expect_status not in ev:
raise Exception("Unexpected MSCS result: " + ev)
def test_mscs_invalid_params(dev, apdev):
"""MSCS command invalid parameters"""
tests = ["",
"add Xp_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=045F",
"add up_bitmap=F0 Xp_limit=7 stream_timeout=12345 frame_classifier=045F",
"add up_bitmap=F0 up_limit=7 Xtream_timeout=12345 frame_classifier=045F",
"add up_bitmap=F0 up_limit=7 stream_timeout=12345 Xrame_classifier=045F",
"add up_bitmap=X0 up_limit=7 stream_timeout=12345 frame_classifier=045F",
"add up_bitmap=F0 up_limit=7 stream_timeout=0 frame_classifier=045F",
"add up_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=X45F",
"change "]
for t in tests:
if "FAIL" not in dev[0].request("MSCS " + t):
raise Exception("Invalid MSCS parameters accepted: " + t)
def test_mscs_without_ap_support(dev, apdev):
"""MSCS without AP support"""
try:
run_mscs_without_ap_support(dev, apdev)
finally:
dev[0].request("MSCS remove")
def run_mscs_without_ap_support(dev, apdev):
params = {"ssid": "mscs",
"ext_capa_mask": 10*"00" + "20"}
hapd = hostapd.add_ap(apdev[0], params)
cmd = "MSCS add up_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=045F"
if "OK" not in dev[0].request(cmd):
raise Exception("Failed to configure MSCS")
dev[0].connect("mscs", key_mgmt="NONE", scan_freq="2412")
cmd = "MSCS change up_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=045F"
if "FAIL" not in dev[0].request(cmd):
raise Exception("MSCS change accepted unexpectedly")
cmd = "MSCS add up_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=045F"
if "FAIL" not in dev[0].request(cmd):
raise Exception("MSCS add accepted unexpectedly")
def test_mscs_post_assoc(dev, apdev):
"""MSCS configuration post-association"""
try:
run_mscs_post_assoc(dev, apdev)
finally:
dev[0].request("MSCS remove")
def run_mscs_post_assoc(dev, apdev):
params = {"ssid": "mscs",
"ext_capa": 10*"00" + "20"}
hapd = hostapd.add_ap(apdev[0], params)
register_mcsc_req(hapd)
dev[0].connect("mscs", key_mgmt="NONE", scan_freq="2412")
hapd.dump_monitor()
hapd.set("ext_mgmt_frame_handling", "1")
cmd = "MSCS change up_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=045F"
if "FAIL" not in dev[0].request(cmd):
raise Exception("MSCS change accepted unexpectedly")
cmd = "MSCS add up_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=045F"
if "OK" not in dev[0].request(cmd):
raise Exception("MSCS add failed")
handle_mscs_req(hapd)
wait_mscs_result(dev[0])
cmd = "MSCS change up_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=045F"
if "OK" not in dev[0].request(cmd):
raise Exception("MSCS change failed")
handle_mscs_req(hapd)
wait_mscs_result(dev[0])
cmd = "MSCS change up_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=045F"
if "OK" not in dev[0].request(cmd):
raise Exception("MSCS change failed")
handle_mscs_req(hapd, status_code=23456)
wait_mscs_result(dev[0], expect_status=23456)
def test_mscs_pre_assoc(dev, apdev):
"""MSCS configuration pre-association"""
try:
run_mscs_pre_assoc(dev, apdev)
finally:
dev[0].request("MSCS remove")
def run_mscs_pre_assoc(dev, apdev):
params = {"ssid": "mscs",
"ext_capa": 10*"00" + "20",
"assocresp_elements": "ff0c5800000000000000" + "01020000"}
hapd = hostapd.add_ap(apdev[0], params)
register_mcsc_req(hapd)
cmd = "MSCS add up_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=045F"
if "OK" not in dev[0].request(cmd):
raise Exception("MSCS add failed")
dev[0].connect("mscs", key_mgmt="NONE", scan_freq="2412",
wait_connect=False)
wait_mscs_result(dev[0])
dev[0].wait_connected()
hapd.set("ext_mgmt_frame_handling", "1")
cmd = "MSCS change up_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=045F"
if "OK" not in dev[0].request(cmd):
raise Exception("MSCS change failed")
handle_mscs_req(hapd)
wait_mscs_result(dev[0])
cmd = "MSCS change up_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=045F"
if "OK" not in dev[0].request(cmd):
raise Exception("MSCS change failed")
handle_mscs_req(hapd, wrong_dialog=True)
ev = dev[0].wait_event(["CTRL-EVENT-MSCS-RESULT"], timeout=1)
if ev is not None:
raise Exception("Unexpected MSCS result reported")
def test_mscs_assoc_failure(dev, apdev):
"""MSCS configuration failure during association exchange"""
try:
run_mscs_assoc_failure(dev, apdev)
finally:
dev[0].request("MSCS remove")
def run_mscs_assoc_failure(dev, apdev):
params = {"ssid": "mscs",
"ext_capa": 10*"00" + "20",
"assocresp_elements": "ff0c5800000000000000" + "01020001"}
hapd = hostapd.add_ap(apdev[0], params)
register_mcsc_req(hapd)
cmd = "MSCS add up_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=045F"
if "OK" not in dev[0].request(cmd):
raise Exception("MSCS add failed")
dev[0].connect("mscs", key_mgmt="NONE", scan_freq="2412",
wait_connect=False)
wait_mscs_result(dev[0], expect_status=256)
dev[0].wait_connected()
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
hapd.dump_monitor()
# No MSCS Status subelement
hapd.set("assocresp_elements", "ff085800000000000000")
dev[0].connect("mscs", key_mgmt="NONE", scan_freq="2412",
wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED", "CTRL-EVENT-MSCS-RESULT"],
timeout=10)
if ev is None:
raise Exception("No connection event")
if "CTRL-EVENT-MSCS-RESULT" in ev:
raise Exception("Unexpected MSCS result")
def test_mscs_local_errors(dev, apdev):
"""MSCS configuration local errors"""
try:
run_mscs_local_errors(dev, apdev)
finally:
dev[0].request("MSCS remove")
def run_mscs_local_errors(dev, apdev):
params = {"ssid": "mscs",
"ext_capa": 10*"00" + "20"}
hapd = hostapd.add_ap(apdev[0], params)
register_mcsc_req(hapd)
dev[0].connect("mscs", key_mgmt="NONE", scan_freq="2412")
hapd.dump_monitor()
hapd.set("ext_mgmt_frame_handling", "1")
for count in range(1, 3):
with alloc_fail(dev[0], count, "wpas_send_mscs_req"):
cmd = "MSCS add up_bitmap=F0 up_limit=7 stream_timeout=12345 frame_classifier=045F"
if "FAIL" not in dev[0].request(cmd):
raise Exception("MSCS add succeeded in error case")