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