tests: P2P autonomous GO and no P2P IE in Probe Response scan results
autogo_scan verifies the special case where a Probe Response frame without P2P IE has been received from a GO (e.g., due to a non-P2P interface requesting a scan) and P2P information from a Beacon frame needs to be used instead to determine that the group is persistent. Signed-off-by: Jouni Malinen <j@w1.fi>
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@ -692,3 +692,84 @@ def _test_autogo_many_clients(dev):
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for i in [ name0, name2, name3 ]:
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if i not in ev1 and i not in ev2 and i not in ev3:
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raise Exception('name "%s" not found' % i)
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def rx_pd_req(dev):
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msg = dev.mgmt_rx()
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if msg is None:
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raise Exception("MGMT-RX timeout")
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p2p = parse_p2p_public_action(msg['payload'])
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if p2p is None:
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raise Exception("Not a P2P Public Action frame " + str(dialog_token))
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if p2p['subtype'] != P2P_PROV_DISC_REQ:
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raise Exception("Unexpected subtype %d" % p2p['subtype'])
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p2p['freq'] = msg['freq']
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return p2p
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def test_autogo_scan(dev):
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"""P2P autonomous GO and no P2P IE in Probe Response scan results"""
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addr0 = dev[0].p2p_dev_addr()
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addr1 = dev[1].p2p_dev_addr()
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dev[0].p2p_start_go(freq=2412, persistent=True)
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bssid = dev[0].p2p_interface_addr()
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dev[1].discover_peer(addr0)
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dev[1].p2p_stop_find()
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ev = dev[1].wait_global_event(["P2P-FIND-STOPPED"], timeout=2)
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time.sleep(0.1)
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dev[1].flush_scan_cache()
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pin = dev[1].wps_read_pin()
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dev[0].group_request("WPS_PIN any " + pin)
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try:
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dev[1].request("SET p2p_disabled 1")
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dev[1].request("SCAN freq=2412")
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ev = dev[1].wait_event(["CTRL-EVENT-SCAN-RESULTS"])
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if ev is None:
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raise Exception("Active scan did not complete")
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finally:
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dev[1].request("SET p2p_disabled 0")
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for i in range(2):
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dev[1].request("SCAN freq=2412 passive=1")
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ev = dev[1].wait_event(["CTRL-EVENT-SCAN-RESULTS"])
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if ev is None:
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raise Exception("Scan did not complete")
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# Disable management frame processing for a moment to skip Probe Response
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# frame with P2P IE.
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dev[0].group_request("SET ext_mgmt_frame_handling 1")
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dev[1].request("P2P_CONNECT " + bssid + " " + pin + " freq=2412 join")
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# Skip the first Probe Request frame
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ev = dev[0].wait_group_event(["MGMT-RX"], timeout=10)
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if ev is None:
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raise Exception("No Probe Request frame seen")
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if not ev.split(' ')[4].startswith("40"):
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raise Exception("Not a Probe Request frame")
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# Reply to PD Request while still filtering Probe Request frames
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msg = rx_pd_req(dev[0])
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mgmt_tx(dev[0], "MGMT_TX {} {} freq={} wait_time=10 no_cck=1 action={}".format(addr1, addr0, 2412, "0409506f9a0908%02xdd0a0050f204100800020008" % msg['dialog_token']))
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# Skip Probe Request frames until something else is received
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for i in range(10):
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ev = dev[0].wait_group_event(["MGMT-RX"], timeout=10)
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if ev is None:
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raise Exception("No frame seen")
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if not ev.split(' ')[4].startswith("40"):
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break
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# Allow wpa_supplicant to process authentication and association
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dev[0].group_request("SET ext_mgmt_frame_handling 0")
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# Joining the group should succeed and indicate persistent group based on
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# Beacon frame P2P IE.
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ev = dev[1].wait_global_event(["P2P-GROUP-STARTED"], timeout=10)
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if ev is None:
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raise Exception("Failed to join group")
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if "[PERSISTENT]" not in ev:
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raise Exception("Did not recognize group as persistent")
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dev[0].remove_group()
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dev[1].wait_go_ending_session()
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