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hostapd/tests/hwsim/p2p_utils.py
Jouni Malinen 2e7b51719b tests: Add more time for concurrent GO group negotiation cases 
It is possible for the parallel connection attempt with an AP and P2P
device discovery with P2P search on social channels to take close to the
15 second timeout and these test cases could fail because of that
instead of a real issue. Increase the timeout to make this less likely
to cause test failures. In addition, add a debug entry to the log on the
r_dev timeout to avoid confusing print from the i_dev thread reporting a
timeout even when the first timeout was on the rdev_

Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
2024-01-26 11:18:24 +02:00

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# P2P helper functions
# Copyright (c) 2013-2019, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import logging
logger = logging.getLogger()
import threading
import time
try:
from Queue import Queue
except ImportError:
from queue import Queue
import hwsim_utils
MGMT_SUBTYPE_PROBE_REQ = 4
MGMT_SUBTYPE_ACTION = 13
ACTION_CATEG_PUBLIC = 4
P2P_GO_NEG_REQ = 0
P2P_GO_NEG_RESP = 1
P2P_GO_NEG_CONF = 2
P2P_INVITATION_REQ = 3
P2P_INVITATION_RESP = 4
P2P_DEV_DISC_REQ = 5
P2P_DEV_DISC_RESP = 6
P2P_PROV_DISC_REQ = 7
P2P_PROV_DISC_RESP = 8
P2P_ATTR_STATUS = 0
P2P_ATTR_MINOR_REASON_CODE = 1
P2P_ATTR_CAPABILITY = 2
P2P_ATTR_DEVICE_ID = 3
P2P_ATTR_GROUP_OWNER_INTENT = 4
P2P_ATTR_CONFIGURATION_TIMEOUT = 5
P2P_ATTR_LISTEN_CHANNEL = 6
P2P_ATTR_GROUP_BSSID = 7
P2P_ATTR_EXT_LISTEN_TIMING = 8
P2P_ATTR_INTENDED_INTERFACE_ADDR = 9
P2P_ATTR_MANAGEABILITY = 10
P2P_ATTR_CHANNEL_LIST = 11
P2P_ATTR_NOTICE_OF_ABSENCE = 12
P2P_ATTR_DEVICE_INFO = 13
P2P_ATTR_GROUP_INFO = 14
P2P_ATTR_GROUP_ID = 15
P2P_ATTR_INTERFACE = 16
P2P_ATTR_OPERATING_CHANNEL = 17
P2P_ATTR_INVITATION_FLAGS = 18
P2P_ATTR_OOB_GO_NEG_CHANNEL = 19
P2P_ATTR_SERVICE_HASH = 21
P2P_ATTR_SESSION_INFORMATION_DATA = 22
P2P_ATTR_CONNECTION_CAPABILITY = 23
P2P_ATTR_ADVERTISEMENT_ID = 24
P2P_ATTR_ADVERTISED_SERVICE = 25
P2P_ATTR_SESSION_ID = 26
P2P_ATTR_FEATURE_CAPABILITY = 27
P2P_ATTR_PERSISTENT_GROUP = 28
P2P_ATTR_VENDOR_SPECIFIC = 221
P2P_SC_SUCCESS = 0
P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE = 1
P2P_SC_FAIL_INCOMPATIBLE_PARAMS = 2
P2P_SC_FAIL_LIMIT_REACHED = 3
P2P_SC_FAIL_INVALID_PARAMS = 4
P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE = 5
P2P_SC_FAIL_PREV_PROTOCOL_ERROR = 6
P2P_SC_FAIL_NO_COMMON_CHANNELS = 7
P2P_SC_FAIL_UNKNOWN_GROUP = 8
P2P_SC_FAIL_BOTH_GO_INTENT_15 = 9
P2P_SC_FAIL_INCOMPATIBLE_PROV_METHOD = 10
P2P_SC_FAIL_REJECTED_BY_USER = 11
WSC_ATTR_CONFIG_METHODS = 0x1008
WLAN_EID_SSID = 0
WLAN_EID_SUPP_RATES = 1
WLAN_EID_VENDOR_SPECIFIC = 221
def go_neg_pin_authorized_persistent(i_dev, r_dev, i_intent=None, r_intent=None,
i_method='enter', r_method='display',
test_data=True, r_listen=True):
if r_listen:
r_dev.p2p_listen()
i_dev.p2p_listen()
pin = r_dev.wps_read_pin()
logger.info("Start GO negotiation " + i_dev.ifname + " -> " + r_dev.ifname)
r_dev.p2p_go_neg_auth(i_dev.p2p_dev_addr(), pin, r_method,
go_intent=r_intent, persistent=True)
if r_listen:
r_dev.p2p_listen()
i_res = i_dev.p2p_go_neg_init(r_dev.p2p_dev_addr(), pin, i_method,
timeout=20, go_intent=i_intent,
persistent=True)
r_res = r_dev.p2p_go_neg_auth_result()
if i_res and r_res and \
i_res['result'] == 'success' and r_res['result'] == 'success':
if i_res['role'] == 'GO':
i_dev.wait_sta(addr=r_dev.p2p_interface_addr())
if r_res['role'] == 'GO':
r_dev.wait_sta(addr=i_dev.p2p_interface_addr())
logger.debug("i_res: " + str(i_res))
logger.debug("r_res: " + str(r_res))
r_dev.dump_monitor()
i_dev.dump_monitor()
logger.info("Group formed")
if test_data:
hwsim_utils.test_connectivity_p2p(r_dev, i_dev)
return [i_res, r_res]
def terminate_group(go, cli):
logger.info("Terminate persistent group")
cli.close_monitor_group()
go.remove_group()
cli.wait_go_ending_session()
def invite(inv, resp, extra=None, persistent_reconnect=True, use_listen=True):
addr = resp.p2p_dev_addr()
if persistent_reconnect:
resp.global_request("SET persistent_reconnect 1")
else:
resp.global_request("SET persistent_reconnect 0")
if use_listen:
resp.p2p_listen()
else:
resp.p2p_find(social=True)
if not inv.discover_peer(addr, social=True):
raise Exception("Peer " + addr + " not found")
inv.dump_monitor()
peer = inv.get_peer(addr)
cmd = "P2P_INVITE persistent=" + peer['persistent'] + " peer=" + addr
if extra:
cmd = cmd + " " + extra
inv.global_request(cmd)
def check_result(go, cli):
ev = go.wait_global_event(["P2P-GROUP-STARTED",
"Failed to start AP functionality"], timeout=30)
if ev is None:
raise Exception("Timeout on group re-invocation (on GO)")
if "P2P-GROUP-STARTED" not in ev:
raise Exception("GO failed to start the group for re-invocation")
if "[PERSISTENT]" not in ev:
raise Exception("Re-invoked group not marked persistent")
go_res = go.group_form_result(ev)
if go_res['role'] != 'GO':
raise Exception("Persistent group GO did not become GO")
if not go_res['persistent']:
raise Exception("Persistent group not re-invoked as persistent (GO)")
ev = cli.wait_global_event(["P2P-GROUP-STARTED"], timeout=30)
if ev is None:
raise Exception("Timeout on group re-invocation (on client)")
if "[PERSISTENT]" not in ev:
raise Exception("Re-invoked group not marked persistent")
cli_res = cli.group_form_result(ev)
if cli_res['role'] != 'client':
raise Exception("Persistent group client did not become client")
if not cli_res['persistent']:
raise Exception("Persistent group not re-invoked as persistent (cli)")
return [go_res, cli_res]
def form(go, cli, test_data=True, reverse_init=False, r_listen=True):
logger.info("Form a persistent group")
if reverse_init:
[i_res, r_res] = go_neg_pin_authorized_persistent(i_dev=cli, i_intent=0,
r_dev=go, r_intent=15,
test_data=test_data,
r_listen=r_listen)
else:
[i_res, r_res] = go_neg_pin_authorized_persistent(i_dev=go, i_intent=15,
r_dev=cli, r_intent=0,
test_data=test_data,
r_listen=r_listen)
if not i_res['persistent'] or not r_res['persistent']:
raise Exception("Formed group was not persistent")
terminate_group(go, cli)
if reverse_init:
return r_res
else:
return i_res
def invite_from_cli(go, cli, terminate=True):
logger.info("Re-invoke persistent group from client")
invite(cli, go)
[go_res, cli_res] = check_result(go, cli)
hwsim_utils.test_connectivity_p2p(go, cli)
if terminate:
terminate_group(go, cli)
return [go_res, cli_res]
def invite_from_go(go, cli, terminate=True, extra=None):
logger.info("Re-invoke persistent group from GO")
invite(go, cli, extra=extra)
[go_res, cli_res] = check_result(go, cli)
hwsim_utils.test_connectivity_p2p(go, cli)
if terminate:
terminate_group(go, cli)
return [go_res, cli_res]
def autogo(go, freq=None, persistent=None):
logger.info("Start autonomous GO " + go.ifname)
res = go.p2p_start_go(freq=freq, persistent=persistent)
logger.debug("res: " + str(res))
return res
def connect_cli(go, client, social=False, freq=None):
logger.info("Try to connect the client to the GO")
pin = client.wps_read_pin()
go.p2p_go_authorize_client(pin)
res = client.p2p_connect_group(go.p2p_dev_addr(), pin, timeout=60,
social=social, freq=freq)
logger.info("Client connected")
go.wait_sta(client.p2p_interface_addr())
hwsim_utils.test_connectivity_p2p(go, client)
return res
def check_grpform_results(i_res, r_res):
if i_res['result'] != 'success' or r_res['result'] != 'success':
raise Exception("Failed group formation")
if i_res['ssid'] != r_res['ssid']:
raise Exception("SSID mismatch")
if i_res['freq'] != r_res['freq']:
raise Exception("freq mismatch")
if 'go_neg_freq' in r_res and i_res['go_neg_freq'] != r_res['go_neg_freq']:
raise Exception("go_neg_freq mismatch")
if i_res['freq'] != i_res['go_neg_freq']:
raise Exception("freq/go_neg_freq mismatch")
if i_res['role'] != i_res['go_neg_role']:
raise Exception("role/go_neg_role mismatch")
if 'go_neg_role' in r_res and r_res['role'] != r_res['go_neg_role']:
raise Exception("role/go_neg_role mismatch")
if i_res['go_dev_addr'] != r_res['go_dev_addr']:
raise Exception("GO Device Address mismatch")
def go_neg_init(i_dev, r_dev, pin, i_method, i_intent, res):
logger.debug("Initiate GO Negotiation from i_dev")
try:
i_res = i_dev.p2p_go_neg_init(r_dev.p2p_dev_addr(), pin, i_method, timeout=20, go_intent=i_intent)
logger.debug("i_res: " + str(i_res))
except Exception as e:
i_res = None
logger.info("go_neg_init thread caught an exception from p2p_go_neg_init: " + str(e))
res.put(i_res)
def go_neg_pin(i_dev, r_dev, i_intent=None, r_intent=None, i_method='enter', r_method='display'):
r_dev.p2p_listen()
i_dev.p2p_listen()
pin = r_dev.wps_read_pin()
logger.info("Start GO negotiation " + i_dev.ifname + " -> " + r_dev.ifname)
r_dev.dump_monitor()
res = Queue()
t = threading.Thread(target=go_neg_init, args=(i_dev, r_dev, pin, i_method, i_intent, res))
t.start()
logger.debug("Wait for GO Negotiation Request on r_dev")
ev = r_dev.wait_global_event(["P2P-GO-NEG-REQUEST"], timeout=15)
if ev is None:
t.join()
raise Exception("GO Negotiation timed out")
r_dev.dump_monitor()
logger.debug("Re-initiate GO Negotiation from r_dev")
try:
r_res = r_dev.p2p_go_neg_init(i_dev.p2p_dev_addr(), pin, r_method,
go_intent=r_intent, timeout=20)
except Exception as e:
logger.info("go_neg_pin - r_dev.p2p_go_neg_init() exception: " + str(e))
t.join()
raise
logger.debug("r_res: " + str(r_res))
r_dev.dump_monitor()
t.join()
i_res = res.get()
if i_res is None:
raise Exception("go_neg_init thread failed")
logger.debug("i_res: " + str(i_res))
logger.info("Group formed")
hwsim_utils.test_connectivity_p2p(r_dev, i_dev)
i_dev.dump_monitor()
return [i_res, r_res]
def go_neg_pin_authorized(i_dev, r_dev, i_intent=None, r_intent=None,
expect_failure=False, i_go_neg_status=None,
i_method='enter', r_method='display', test_data=True,
i_freq=None, r_freq=None,
i_freq2=None, r_freq2=None,
i_max_oper_chwidth=None, r_max_oper_chwidth=None,
i_ht40=False, i_vht=False, r_ht40=False, r_vht=False):
i_dev.p2p_listen()
pin = r_dev.wps_read_pin()
logger.info("Start GO negotiation " + i_dev.ifname + " -> " + r_dev.ifname)
r_dev.p2p_go_neg_auth(i_dev.p2p_dev_addr(), pin, r_method,
go_intent=r_intent, freq=r_freq, freq2=r_freq2,
max_oper_chwidth=r_max_oper_chwidth, ht40=r_ht40,
vht=r_vht)
r_dev.p2p_listen()
i_res = i_dev.p2p_go_neg_init(r_dev.p2p_dev_addr(), pin, i_method,
timeout=20, go_intent=i_intent,
expect_failure=expect_failure, freq=i_freq,
freq2=i_freq2,
max_oper_chwidth=i_max_oper_chwidth,
ht40=i_ht40, vht=i_vht)
r_res = r_dev.p2p_go_neg_auth_result(expect_failure=expect_failure)
logger.debug("i_res: " + str(i_res))
logger.debug("r_res: " + str(r_res))
if not expect_failure and i_res and r_res and \
i_res['result'] == 'success' and r_res['result'] == 'success':
if i_res['role'] == 'GO':
i_dev.wait_sta(addr=r_dev.p2p_interface_addr())
if r_res['role'] == 'GO':
r_dev.wait_sta(addr=i_dev.p2p_interface_addr())
r_dev.dump_monitor()
i_dev.dump_monitor()
if i_go_neg_status:
if i_res['result'] != 'go-neg-failed':
raise Exception("Expected GO Negotiation failure not reported")
if i_res['status'] != i_go_neg_status:
raise Exception("Expected GO Negotiation status not seen")
if expect_failure:
return
logger.info("Group formed")
if test_data:
hwsim_utils.test_connectivity_p2p(r_dev, i_dev)
return [i_res, r_res]
def go_neg_init_pbc(i_dev, r_dev, i_intent, res, freq, provdisc, timeout=20):
logger.debug("Initiate GO Negotiation from i_dev")
try:
i_res = i_dev.p2p_go_neg_init(r_dev.p2p_dev_addr(), None, "pbc",
timeout=timeout, go_intent=i_intent,
freq=freq, provdisc=provdisc)
logger.debug("i_res: " + str(i_res))
except Exception as e:
i_res = None
logger.info("go_neg_init_pbc thread caught an exception from p2p_go_neg_init: " + str(e))
res.put(i_res)
def go_neg_pbc(i_dev, r_dev, i_intent=None, r_intent=None, i_freq=None,
r_freq=None, provdisc=False, r_listen=False, timeout=20):
if r_listen:
r_dev.p2p_listen()
else:
r_dev.p2p_find(social=True)
i_dev.p2p_find(social=True)
logger.info("Start GO negotiation " + i_dev.ifname + " -> " + r_dev.ifname)
r_dev.dump_monitor()
res = Queue()
t = threading.Thread(target=go_neg_init_pbc, args=(i_dev, r_dev, i_intent,
res, i_freq, provdisc,
timeout))
t.start()
logger.debug("Wait for GO Negotiation Request on r_dev")
ev = r_dev.wait_global_event(["P2P-GO-NEG-REQUEST"], timeout=timeout - 5)
if ev is None:
logger.debug("Wait for P2P-GO-NEG-REQUEST timed out on r_dev - wait for i_dev thread to complete")
t.join()
raise Exception("GO Negotiation timed out")
r_dev.dump_monitor()
# Allow some time for the GO Neg Resp to go out before initializing new
# GO Negotiation.
time.sleep(0.2)
logger.debug("Re-initiate GO Negotiation from r_dev")
try:
r_res = r_dev.p2p_go_neg_init(i_dev.p2p_dev_addr(), None, "pbc",
go_intent=r_intent, timeout=timeout,
freq=r_freq)
except Exception as e:
logger.info("go_neg_pbc - r_dev.p2p_go_neg_init() exception: " + str(e))
t.join()
raise
logger.debug("r_res: " + str(r_res))
r_dev.dump_monitor()
t.join()
i_res = res.get()
if i_res is None:
raise Exception("go_neg_init_pbc thread failed")
logger.debug("i_res: " + str(i_res))
logger.info("Group formed")
time.sleep(0.1)
hwsim_utils.test_connectivity_p2p(r_dev, i_dev)
i_dev.dump_monitor()
return [i_res, r_res]
def go_neg_pbc_authorized(i_dev, r_dev, i_intent=None, r_intent=None,
expect_failure=False, i_freq=None, r_freq=None):
i_dev.p2p_listen()
logger.info("Start GO negotiation " + i_dev.ifname + " -> " + r_dev.ifname)
r_dev.p2p_go_neg_auth(i_dev.p2p_dev_addr(), None, "pbc",
go_intent=r_intent, freq=r_freq)
r_dev.p2p_listen()
i_res = i_dev.p2p_go_neg_init(r_dev.p2p_dev_addr(), None, "pbc", timeout=20,
go_intent=i_intent,
expect_failure=expect_failure, freq=i_freq)
r_res = r_dev.p2p_go_neg_auth_result(expect_failure=expect_failure)
logger.debug("i_res: " + str(i_res))
logger.debug("r_res: " + str(r_res))
r_dev.dump_monitor()
i_dev.dump_monitor()
if expect_failure:
return
logger.info("Group formed")
return [i_res, r_res]
def remove_group(dev1, dev2, allow_failure=False):
try:
dev1.remove_group()
except:
if not allow_failure:
raise
try:
dev2.remove_group()
except:
pass
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