Python tshark.run_tshark函数代码示例

def _test_p2p_ext_vendor_elem_assoc(dev, apdev, params):
    addr0 = dev[0].p2p_dev_addr()
    addr1 = dev[1].p2p_dev_addr()
    if "OK" not in dev[0].request("VENDOR_ELEM_ADD 11 dd050011223308"):
        raise Exception("VENDOR_ELEM_ADD failed")
    if "OK" not in dev[1].request("VENDOR_ELEM_ADD 12 dd050011223309"):
        raise Exception("VENDOR_ELEM_ADD failed")
    if "OK" not in dev[0].request("VENDOR_ELEM_ADD 13 dd05001122330a"):
        raise Exception("VENDOR_ELEM_ADD failed")
    dev[0].p2p_listen()
    dev[1].p2p_listen()
    dev[1].p2p_go_neg_auth(addr0, "12345670", "enter", go_intent=15)
    dev[0].p2p_go_neg_init(addr1, "12345670", "display", go_intent=0,
                           timeout=15)
    dev[1].p2p_go_neg_auth_result()
    dev[1].remove_group()
    dev[0].wait_go_ending_session()

    out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
                     "wlan.fc.type_subtype == 0x00", wait=False)
    if "Vendor Specific Data: 3308" not in out:
        raise Exception("Vendor element (P2P) not found from Association Request frame")
    if "Vendor Specific Data: 330a" not in out:
        raise Exception("Vendor element (non-P2P) not found from Association Request frame")

    out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
                     "wlan.fc.type_subtype == 0x01", wait=False)
    if "Vendor Specific Data: 3309" not in out:
        raise Exception("Vendor element not found from Association Response frame")

def test_cfg80211_tx_frame(dev, apdev, params):
    """cfg80211 offchannel TX frame command"""
    ifindex = int(dev[0].get_driver_status_field("ifindex"))

    frame = binascii.unhexlify("d000000002000000010002000000000002000000010000000409506f9a090001dd5e506f9a0902020025080401001f0502006414060500585804510b0906000200000000000b1000585804510b0102030405060708090a0b0d1d000200000000000108000000000000000000101100084465766963652041110500585804510bdd190050f204104a0001101012000200011049000600372a000120")

    dev[0].request("P2P_GROUP_ADD freq=2412")
    res = nl80211_frame(dev[0], ifindex, frame, freq=2422, duration=500,
                        offchannel_tx_ok=True)
    time.sleep(0.1)

    # note: Uncommenting this seems to remove the incorrect channel issue
    #nl80211_frame_wait_cancel(dev[0], ifindex, res[nl80211_attr['COOKIE']])

    # note: this Action frame ends up getting sent incorrectly on 2422 MHz
    nl80211_frame(dev[0], ifindex, frame, freq=2412)
    time.sleep(1.5)
    # note: also the Deauthenticate frame sent by the GO going down ends up
    # being transmitted incorrectly on 2422 MHz.

    out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
                     "wlan.fc.type_subtype == 13", ["radiotap.channel.freq"])
    if out is not None:
        freq = out.splitlines()
        if len(freq) != 2:
            raise Exception("Unexpected number of Action frames (%d)" % len(freq))
        if freq[0] != "2422":
            raise Exception("First Action frame on unexpected channel: %s MHz" % freq[0])
        if freq[1] != "2412":
            raise Exception("Second Action frame on unexpected channel: %s MHz" % freq[1])

def test_ap_max_num_sta_no_probe_resp(dev, apdev, params):
    """Maximum STA count and limit on Probe Response frames"""
    logdir = params['logdir']
    dev[0].flush_scan_cache()
    ssid = "max"
    params = {}
    params['ssid'] = ssid
    params['beacon_int'] = "2000"
    params['max_num_sta'] = "1"
    params['no_probe_resp_if_max_sta'] = "1"
    hostapd.add_ap(apdev[0], params)
    dev[1].connect(ssid, key_mgmt="NONE", scan_freq="2412")
    dev[0].scan(freq=2412, type="ONLY")
    dev[0].scan(freq=2412, type="ONLY")
    seen = dev[0].get_bss(apdev[0]['bssid']) != None
    dev[1].scan(freq=2412, type="ONLY")
    if seen:
        out = run_tshark(os.path.join(logdir, "hwsim0.pcapng"),
                         "wlan.fc.type_subtype == 5", ["wlan.da"])
        if out:
            if dev[0].own_addr() not in out:
                # Discovery happened through Beacon frame reception. That's not
                # an error case.
                seen = False
            if dev[1].own_addr() not in out:
                raise Exception("No Probe Response frames to dev[1] seen")
        if seen:
            raise Exception("AP found unexpectedly")

def test_ap_open_drop_duplicate(dev, apdev, params):
    """AP dropping duplicate management frames"""
    hapd = hostapd.add_ap(apdev[0], {"ssid": "open",
                                     "interworking": "1"})
    hapd.set("ext_mgmt_frame_handling", "1")
    bssid = hapd.own_addr().replace(':', '')
    addr = "020304050607"
    auth = "b0003a01" + bssid + addr + bssid + '1000000001000000'
    if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % auth):
        raise Exception("MGMT_RX_PROCESS failed")
    auth = "b0083a01" + bssid + addr + bssid + '1000000001000000'
    if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % auth):
        raise Exception("MGMT_RX_PROCESS failed")

    ies = "00046f70656e010802040b160c12182432043048606c2d1a3c101bffff0000000000000000000001000000000000000000007f0a04000a020140004000013b155151525354737475767778797a7b7c7d7e7f808182dd070050f202000100"
    assoc_req = "00003a01" + bssid + addr + bssid + "2000" + "21040500" + ies
    if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % assoc_req):
        raise Exception("MGMT_RX_PROCESS failed")
    assoc_req = "00083a01" + bssid + addr + bssid + "2000" + "21040500" + ies
    if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % assoc_req):
        raise Exception("MGMT_RX_PROCESS failed")
    reassoc_req = "20083a01" + bssid + addr + bssid + "2000" + "21040500" + ies
    if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % reassoc_req):
        raise Exception("MGMT_RX_PROCESS failed")
    if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % reassoc_req):
        raise Exception("MGMT_RX_PROCESS failed")

    action = "d0003a01" + bssid + addr + bssid + "1000" + "040a006c0200000600000102000101"
    if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % action):
        raise Exception("MGMT_RX_PROCESS failed")

    action = "d0083a01" + bssid + addr + bssid + "1000" + "040a006c0200000600000102000101"
    if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % action):
        raise Exception("MGMT_RX_PROCESS failed")

    out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
                     "wlan.fc.type == 0", ["wlan.fc.subtype"])
    num_auth = 0
    num_assoc = 0
    num_reassoc = 0
    num_action = 0
    for subtype in out.splitlines():
        val = int(subtype)
        if val == 11:
            num_auth += 1
        elif val == 1:
            num_assoc += 1
        elif val == 3:
            num_reassoc += 1
        elif val == 13:
            num_action += 1
    if num_auth != 1:
        raise Exception("Unexpected number of Authentication frames: %d" % num_auth)
    if num_assoc != 1:
        raise Exception("Unexpected number of association frames: %d" % num_assoc)
    if num_reassoc != 1:
        raise Exception("Unexpected number of reassociation frames: %d" % num_reassoc)
    if num_action != 1:
        raise Exception("Unexpected number of Action frames: %d" % num_action)

def test_mbo_assoc_disallow(dev, apdev, params):
    """MBO and association disallowed"""
    hapd1 = hostapd.add_ap(apdev[0], {"ssid": "MBO", "mbo": "1"})
    hapd2 = hostapd.add_ap(apdev[1], {"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 associations 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_kernel_unknown_action_frame_rejection_sta(dev, apdev, params):
    """mac80211 and unknown Action frame rejection in STA mode"""
    hapd = hostapd.add_ap(apdev[0], {"ssid": "unknown-action"})
    dev[0].connect("unknown-action", key_mgmt="NONE", scan_freq="2412")
    bssid = hapd.own_addr()
    addr = dev[0].own_addr()

    hapd.set("ext_mgmt_frame_handling", "1")

    # Unicast Action frame with unknown category (response expected)
    msg = {}
    msg['fc'] = MGMT_SUBTYPE_ACTION << 4
    msg['da'] = addr
    msg['sa'] = bssid
    msg['bssid'] = bssid
    msg['payload'] = struct.pack("<BB", 0x70, 0)
    hapd.mgmt_tx(msg)
    expect_ack(hapd)

    # Note: mac80211 does not allow group-addressed Action frames in unknown
    # categories to be transmitted in AP mode, so for now, these steps are
    # commented out.

    # Multicast Action frame with unknown category (no response expected)
    #msg['da'] = "01:ff:ff:ff:ff:ff"
    #msg['payload'] = struct.pack("<BB", 0x71, 1)
    #hapd.mgmt_tx(msg)
    #expect_no_ack(hapd)

    # Broadcast Action frame with unknown category (no response expected)
    #msg['da'] = "ff:ff:ff:ff:ff:ff"
    #msg['payload'] = struct.pack("<BB", 0x72, 2)
    #hapd.mgmt_tx(msg)
    #expect_no_ack(hapd)

    # Unicast Action frame with error indication category (no response expected)
    msg['da'] = addr
    msg['payload'] = struct.pack("<BB", 0xf3, 3)
    hapd.mgmt_tx(msg)
    expect_ack(hapd)

    # Unicast Action frame with unknown category (response expected)
    msg['da'] = addr
    msg['payload'] = struct.pack("<BB", 0x74, 4)
    hapd.mgmt_tx(msg)
    expect_ack(hapd)

    out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
                     "wlan.sa == %s && wlan.fc.type_subtype == 0x0d" % addr,
                     display=["wlan_mgt.fixed.category_code"])
    res = out.splitlines()
    categ = [int(x) for x in res]

    if 0xf2 in categ or 0xf3 in categ:
        raise Exception("Unexpected Action frame rejection: " + str(categ))
    if 0xf0 not in categ or 0xf4 not in categ:
        raise Exception("Action frame rejection missing: " + str(categ))

def test_ieee8021x_reauth_wep(dev, apdev, params):
    """IEEE 802.1X and EAPOL_REAUTH request with WEP"""
    logdir = params['logdir']

    params = hostapd.radius_params()
    params["ssid"] = "ieee8021x-open"
    params["ieee8021x"] = "1"
    params["wep_key_len_broadcast"] = "13"
    params["wep_key_len_unicast"] = "13"
    hapd = hostapd.add_ap(apdev[0], params)

    dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X",
                   eap="PSK", identity="[email protected]",
                   password_hex="0123456789abcdef0123456789abcdef",
                   scan_freq="2412")
    hwsim_utils.test_connectivity(dev[0], hapd)

    hapd.request("EAPOL_REAUTH " + dev[0].own_addr())
    ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=5)
    if ev is None:
        raise Exception("EAP authentication did not start")
    ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=5)
    if ev is None:
        raise Exception("EAP authentication did not succeed")
    time.sleep(0.1)
    hwsim_utils.test_connectivity(dev[0], hapd)

    out = run_tshark(os.path.join(logdir, "hwsim0.pcapng"),
                     "llc.type == 0x888e", ["eapol.type", "eap.code"])
    if out is None:
        raise Exception("Could not find EAPOL frames in capture")
    num_eapol_key = 0
    num_eap_req = 0
    num_eap_resp = 0
    for line in out.splitlines():
        vals = line.split()
        if vals[0] == '3':
            num_eapol_key += 1
        if vals[0] == '0' and len(vals) == 2:
            if vals[1] == '1':
                num_eap_req += 1
            elif vals[1] == '2':
                num_eap_resp += 1
    logger.info("num_eapol_key: %d" % num_eapol_key)
    logger.info("num_eap_req: %d" % num_eap_req)
    logger.info("num_eap_resp: %d" % num_eap_resp)
    if num_eapol_key < 4:
        raise Exception("Did not see four unencrypted EAPOL-Key frames")
    if num_eap_req < 6:
        raise Exception("Did not see six unencrypted EAP-Request frames")
    if num_eap_resp < 6:
        raise Exception("Did not see six unencrypted EAP-Response frames")

def test_owe_limited_group_set_pmf(dev, apdev, params):
    """Opportunistic Wireless Encryption and limited group set (PMF)"""
    if "OWE" not in dev[0].get_capability("key_mgmt"):
        raise HwsimSkip("OWE not supported")
    pcapng = os.path.join(params['logdir'], "hwsim0.pcapng")

    params = {"ssid": "owe",
              "wpa": "2",
              "ieee80211w": "2",
              "wpa_key_mgmt": "OWE",
              "rsn_pairwise": "CCMP",
              "owe_groups": "21"}
    hapd = hostapd.add_ap(apdev[0], params)
    bssid = hapd.own_addr()

    dev[0].scan_for_bss(bssid, freq="2412")
    dev[0].connect("owe", key_mgmt="OWE", owe_group="19", ieee80211w="2",
                   scan_freq="2412", wait_connect=False)
    ev = dev[0].wait_event(["CTRL-EVENT-ASSOC-REJECT"], timeout=10)
    dev[0].request("DISCONNECT")
    if ev is None:
        raise Exception("Association not rejected")
    if "status_code=77" not in ev:
        raise Exception("Unexpected rejection reason: " + ev)
    dev[0].dump_monitor()

    dev[0].connect("owe", key_mgmt="OWE", owe_group="20", ieee80211w="2",
                   scan_freq="2412", wait_connect=False)
    ev = dev[0].wait_event(["CTRL-EVENT-ASSOC-REJECT"], timeout=10)
    dev[0].request("DISCONNECT")
    if ev is None:
        raise Exception("Association not rejected (2)")
    if "status_code=77" not in ev:
        raise Exception("Unexpected rejection reason (2): " + ev)
    dev[0].dump_monitor()

    dev[0].connect("owe", key_mgmt="OWE", owe_group="21", ieee80211w="2",
                   scan_freq="2412")
    dev[0].request("REMOVE_NETWORK all")
    dev[0].wait_disconnected()
    dev[0].dump_monitor()

    out = run_tshark(pcapng,
                     "wlan.fc.type_subtype == 1",
                     display=['wlan_mgt.fixed.status_code'])
    status = out.splitlines()
    logger.info("Association Response frame status codes: " + str(status))
    if len(status) != 3:
        raise Exception("Unexpected number of Association Response frames")
    if int(status[0]) != 77 or int(status[1]) != 77 or int(status[2]) != 0:
        raise Exception("Unexpected Association Response frame status code")

def _test_p2p_ext_vendor_elem_go_neg_conf(dev, apdev, params):
    addr0 = dev[0].p2p_dev_addr()
    addr1 = dev[1].p2p_dev_addr()
    if "OK" not in dev[0].request("VENDOR_ELEM_ADD 8 dd050011223305"):
        raise Exception("VENDOR_ELEM_ADD failed")
    dev[0].p2p_listen()
    dev[1].p2p_listen()
    dev[1].p2p_go_neg_auth(addr0, "12345670", "enter")
    dev[0].p2p_go_neg_init(addr1, "12345678", "display")
    dev[1].p2p_go_neg_auth_result(expect_failure=True)

    out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
                     "wifi_p2p.public_action.subtype == 2")
    if "Vendor Specific Data: 3305" not in out:
        raise Exception("Vendor element not found from GO Negotiation Confirm frame")

def _test_scan_random_mac(dev, apdev, params):
    hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
    bssid = apdev[0]['bssid']

    tests = [ "",
              "addr=foo",
              "mask=foo",
              "enable=1",
              "all enable=1 mask=00:11:22:33:44:55",
              "all enable=1 addr=00:11:22:33:44:55",
              "all enable=1 addr=01:11:22:33:44:55 mask=ff:ff:ff:ff:ff:ff",
              "all enable=1 addr=00:11:22:33:44:55 mask=fe:ff:ff:ff:ff:ff",
              "enable=2 scan sched pno all",
              "pno enable=1",
              "all enable=2",
              "foo" ]
    for args in tests:
        if "FAIL" not in dev[0].request("MAC_RAND_SCAN " + args):
            raise Exception("Invalid MAC_RAND_SCAN accepted: " + args)

    if dev[0].get_driver_status_field('capa.mac_addr_rand_scan_supported') != '1':
        raise HwsimSkip("Driver does not support random MAC address for scanning")

    tests = [ "all enable=1",
              "all enable=1 addr=f2:11:22:33:44:55 mask=ff:ff:ff:ff:ff:ff",
              "all enable=1 addr=f2:11:33:00:00:00 mask=ff:ff:ff:00:00:00" ]
    for args in tests:
        dev[0].request("MAC_RAND_SCAN " + args)
        dev[0].scan_for_bss(bssid, freq=2412, force_scan=True)

    out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
                     "wlan.fc.type_subtype == 4", ["wlan.ta" ])
    if out is not None:
        addr = out.splitlines()
        logger.info("Probe Request frames seen from: " + str(addr))
        if dev[0].own_addr() in addr:
            raise Exception("Real address used to transmit Probe Request frame")
        if "f2:11:22:33:44:55" not in addr:
            raise Exception("Fully configured random address not seen")
        found = False
        for a in addr:
            if a.startswith('f2:11:33'):
                found = True
                break
        if not found:
            raise Exception("Fixed OUI random address not seen")

def test_p2p_channel_random_social_with_op_class_change(dev, apdev, params):
    """P2P group formation using random social channel with oper class change needed"""
    try:
        set_country("US", dev[0])
        logger.info("Start group on 5 GHz")
        [i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15,
                                               r_dev=dev[1], r_intent=0,
                                               test_data=False)
        check_grpform_results(i_res, r_res)
        freq = int(i_res['freq'])
        if freq < 5000:
            raise Exception("Unexpected channel %d MHz - did not pick 5 GHz preference" % freq)
        remove_group(dev[0], dev[1])

        logger.info("Disable 5 GHz and try to re-start group based on 5 GHz preference")
        dev[0].global_request("SET p2p_oper_reg_class 115")
        dev[0].global_request("SET p2p_oper_channel 36")
        dev[0].global_request("P2P_SET disallow_freq 5000-6000")
        [i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15,
                                               r_dev=dev[1], r_intent=0,
                                               test_data=False)
        check_grpform_results(i_res, r_res)
        freq = int(i_res['freq'])
        if freq not in [ 2412, 2437, 2462 ]:
            raise Exception("Unexpected channel %d MHz - did not pick random social channel" % freq)
        remove_group(dev[0], dev[1])

        out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
                         "wifi_p2p.public_action.subtype == 0")
        if out is not None:
            last = None
            for l in out.splitlines():
                if "Operating Channel:" not in l:
                    continue
                last = l
            if last is None:
                raise Exception("Could not find GO Negotiation Request")
            if "Operating Class 81" not in last:
                raise Exception("Unexpected operating class: " + last.strip())
    finally:
        set_country("00")
        dev[0].global_request("P2P_SET disallow_freq ")
        dev[0].global_request("SET p2p_oper_reg_class 0")
        dev[0].global_request("SET p2p_oper_channel 0")
        dev[1].flush_scan_cache()

def test_peerkey_sniffer_check(dev, apdev, params):
    """RSN AP and PeerKey between two STAs with sniffer check"""
    ssid = "test-peerkey"
    passphrase = "12345678"
    hparams = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
    hparams['peerkey'] = "1"
    hapd = hostapd.add_ap(apdev[0], hparams)

    Wlantest.setup(hapd)
    wt = Wlantest()
    wt.flush()
    wt.add_passphrase("12345678")

    dev[0].connect(ssid, psk=passphrase, scan_freq="2412", peerkey=True)
    dev[1].connect(ssid, psk=passphrase, scan_freq="2412", peerkey=True)
    hwsim_utils.test_connectivity_sta(dev[0], dev[1])

    dev[0].request("STKSTART " + dev[1].p2p_interface_addr())
    time.sleep(1)
    # NOTE: Actual use of the direct link (DLS) is not supported in
    # mac80211_hwsim, so this operation fails at setting the keys after
    # successfully completed 4-way handshake. This test case does allow the
    # key negotiation part to be tested for coverage, though. Use sniffer to
    # verify that all the SMK and STK handshake messages were transmitted.

    bssid = hapd.own_addr()
    addr0 = dev[0].own_addr()
    addr1 = dev[1].own_addr()

    # Wireshark renamed the EAPOL-Key key_info field, so need to try both the
    # new and the old name to work with both versions.
    try_other = False
    try:
        out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
                         "eapol.type == 3",
                         display=["wlan.sa", "wlan.da",
                                  "wlan_rsna_eapol.keydes.key_info"])
    except Exception, e:
        if "Unknown tshark field" in str(e):
            try_other = True
            pass
        else:
            raise

def test_ap_open_disconnect_in_ps(dev, apdev, params):
    """Disconnect with the client in PS to regression-test a kernel bug"""
    hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
    dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
                   bg_scan_period="0")
    ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=5)
    if ev is None:
        raise Exception("No connection event received from hostapd")

    time.sleep(0.2)
    # enable power save mode
    hwsim_utils.set_powersave(dev[0], hwsim_utils.PS_ENABLED)
    time.sleep(0.1)
    try:
        # inject some traffic
        sa = hapd.own_addr()
        da = dev[0].own_addr()
        hapd.request('DATA_TEST_CONFIG 1')
        hapd.request('DATA_TEST_TX {} {} 0'.format(da, sa))
        hapd.request('DATA_TEST_CONFIG 0')

        # let the AP send couple of Beacon frames
        time.sleep(0.3)

        # disconnect - with traffic pending - shouldn't cause kernel warnings
        dev[0].request("DISCONNECT")
    finally:
        hwsim_utils.set_powersave(dev[0], hwsim_utils.PS_DISABLED)

    time.sleep(0.2)
    out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
                     "wlan_mgt.tim.partial_virtual_bitmap",
                     ["wlan_mgt.tim.partial_virtual_bitmap"])
    if out is not None:
        state = 0
        for l in out.splitlines():
            pvb = int(l, 16)
            if pvb > 0 and state == 0:
                state = 1
            elif pvb == 0 and state == 1:
                state = 2
        if state != 2:
            raise Exception("Didn't observe TIM bit getting set and unset (state=%d)" % state)

def run_discovery_while_cli(wpas, dev, params):
    wpas.request("P2P_SET listen_channel 1")
    dev[1].p2p_start_go(freq="2412")
    addr = wpas.p2p_dev_addr()
    pin = wpas.wps_read_pin()
    dev[1].p2p_go_authorize_client(pin)
    wpas.p2p_connect_group(dev[1].p2p_dev_addr(), pin, freq=2412, timeout=30)

    pd_test(dev[0], addr)
    wpas.p2p_listen()
    pd_test(dev[2], addr)

    wpas.p2p_stop_find()
    terminate_group(dev[1], wpas)

    out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
                     "wifi_p2p.public_action.subtype == 8", [ "wlan.da" ])
    da = out.splitlines()
    logger.info("PD Response DAs: " + str(da))
    if len(da) != 3:
        raise Exception("Unexpected DA count for PD Response")

def _test_p2p_ext_vendor_elem_go_neg_conf(dev, apdev, params):
    addr0 = dev[0].p2p_dev_addr()
    addr1 = dev[1].p2p_dev_addr()
    if "OK" not in dev[0].request("VENDOR_ELEM_ADD 8 dd050011223305"):
        raise Exception("VENDOR_ELEM_ADD failed")
    dev[0].p2p_listen()
    dev[1].p2p_go_neg_auth(addr0, "12345670", "enter")
    dev[1].p2p_listen()
    dev[0].p2p_go_neg_init(addr1, "12345678", "display")
    ev = dev[0].wait_global_event(["P2P-GO-NEG-SUCCESS"], timeout=15)
    if ev is None:
        raise Exception("GO negotiation timed out")
    ev = dev[0].wait_global_event(["P2P-GROUP-FORMATION-FAILURE"], timeout=15)
    if ev is None:
        raise Exception("Group formation failure not indicated")
    dev[0].dump_monitor()
    dev[1].p2p_go_neg_auth_result(expect_failure=True)
    dev[1].dump_monitor()

    out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
                     "wifi_p2p.public_action.subtype == 2")
    if "Vendor Specific Data: 3305" not in out:
        raise Exception("Vendor element not found from GO Negotiation Confirm frame")