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hostap/tests/hwsim/test_p2p_persistent.py
Jouni Malinen 39f1cac57e tests: Persistent group formation with reverse roles 
This increase test coverage a bit for the Persistent group flag in GO
Negotiation Response.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2014-03-05 22:40:28 +02:00

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# P2P persistent group test cases
# Copyright (c) 2013, 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 hwsim_utils
from test_p2p_autogo import connect_cli
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_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)
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()
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")
go.remove_group()
cli.wait_go_ending_session()
def invite(inv, resp, extra=None):
addr = resp.p2p_dev_addr()
resp.request("SET persistent_reconnect 1")
resp.p2p_listen()
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"], timeout=30)
if ev is None:
raise Exception("Timeout on group re-invocation (on GO)")
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):
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)
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)
if not i_res['persistent'] or not r_res['persistent']:
raise Exception("Formed group was not persistent")
terminate_group(go, cli)
def invite_from_cli(go, cli):
logger.info("Re-invoke persistent group from client")
invite(cli, go)
check_result(go, cli)
hwsim_utils.test_connectivity_p2p(go, cli)
terminate_group(go, cli)
def invite_from_go(go, cli):
logger.info("Re-invoke persistent group from GO")
invite(go, cli)
check_result(go, cli)
hwsim_utils.test_connectivity_p2p(go, cli)
terminate_group(go, cli)
def test_persistent_group(dev):
"""P2P persistent group formation and re-invocation"""
form(dev[0], dev[1])
invite_from_cli(dev[0], dev[1])
invite_from_go(dev[0], dev[1])
def test_persistent_group2(dev):
"""P2P persistent group formation with reverse roles"""
form(dev[0], dev[1], reverse_init=True)
invite_from_cli(dev[0], dev[1])
invite_from_go(dev[0], dev[1])
def test_persistent_group_per_sta_psk(dev):
"""P2P persistent group formation and re-invocation using per-client PSK"""
addr0 = dev[0].p2p_dev_addr()
addr1 = dev[1].p2p_dev_addr()
addr2 = dev[2].p2p_dev_addr()
dev[0].request("P2P_SET per_sta_psk 1")
logger.info("Form a persistent group")
[i_res, r_res] = go_neg_pin_authorized_persistent(i_dev=dev[0], i_intent=15,
r_dev=dev[1], r_intent=0)
if not i_res['persistent'] or not r_res['persistent']:
raise Exception("Formed group was not persistent")
logger.info("Join another client to the group")
pin = dev[2].wps_read_pin()
dev[0].p2p_go_authorize_client(pin)
c_res = dev[2].p2p_connect_group(addr0, pin, timeout=60)
if not c_res['persistent']:
raise Exception("Joining client did not recognize persistent group")
if r_res['psk'] == c_res['psk']:
raise Exception("Same PSK assigned for both clients")
hwsim_utils.test_connectivity_p2p_sta(dev[1], dev[2])
logger.info("Leave persistent group and rejoin it")
dev[2].remove_group()
ev = dev[2].wait_event(["P2P-GROUP-REMOVED"], timeout=3)
if ev is None:
raise Exception("Group removal event timed out")
if not dev[2].discover_peer(addr0, social=True):
raise Exception("Peer " + peer + " not found")
dev[2].dump_monitor()
peer = dev[2].get_peer(addr0)
dev[2].global_request("P2P_GROUP_ADD persistent=" + peer['persistent'])
ev = dev[2].wait_global_event(["P2P-GROUP-STARTED"], timeout=30)
if ev is None:
raise Exception("Timeout on group restart (on client)")
cli_res = dev[2].group_form_result(ev)
if not cli_res['persistent']:
raise Exception("Persistent group not restarted as persistent (cli)")
hwsim_utils.test_connectivity_p2p(dev[1], dev[2])
logger.info("Remove one of the clients from the group")
dev[0].global_request("P2P_REMOVE_CLIENT " + addr2)
dev[2].wait_go_ending_session()
logger.info("Try to reconnect after having been removed from group")
if not dev[2].discover_peer(addr0, social=True):
raise Exception("Peer " + peer + " not found")
dev[2].dump_monitor()
peer = dev[2].get_peer(addr0)
dev[2].global_request("P2P_GROUP_ADD persistent=" + peer['persistent'])
ev = dev[2].wait_global_event(["P2P-GROUP-STARTED","WPA: 4-Way Handshake failed"], timeout=30)
if ev is None:
raise Exception("Timeout on group restart (on client)")
if "P2P-GROUP-STARTED" in ev:
raise Exception("Client managed to connect after being removed")
logger.info("Remove the remaining client from the group")
dev[0].global_request("P2P_REMOVE_CLIENT " + addr1)
dev[1].wait_go_ending_session()
logger.info("Terminate persistent group")
dev[0].remove_group()
dev[0].dump_monitor()
logger.info("Try to re-invoke persistent group from client")
dev[0].request("SET persistent_reconnect 1")
dev[0].p2p_listen()
if not dev[1].discover_peer(addr0, social=True):
raise Exception("Peer " + peer + " not found")
dev[1].dump_monitor()
peer = dev[1].get_peer(addr0)
dev[1].global_request("P2P_INVITE persistent=" + peer['persistent'] + " peer=" + addr0)
ev = dev[1].wait_global_event(["P2P-GROUP-STARTED","WPA: 4-Way Handshake failed"], timeout=30)
if ev is None:
raise Exception("Timeout on group restart (on client)")
if "P2P-GROUP-STARTED" in ev:
raise Exception("Client managed to re-invoke after being removed")
dev[0].dump_monitor()
logger.info("Terminate persistent group")
dev[0].remove_group()
dev[0].dump_monitor()
def test_persistent_group_invite_removed_client(dev):
"""P2P persistent group client removal and re-invitation"""
addr0 = dev[0].p2p_dev_addr()
addr1 = dev[1].p2p_dev_addr()
dev[0].request("P2P_SET per_sta_psk 1")
logger.info("Form a persistent group")
[i_res, r_res] = go_neg_pin_authorized_persistent(i_dev=dev[0], i_intent=15,
r_dev=dev[1], r_intent=0)
if not i_res['persistent'] or not r_res['persistent']:
raise Exception("Formed group was not persistent")
logger.info("Remove client from the group")
dev[0].global_request("P2P_REMOVE_CLIENT " + addr1)
dev[1].wait_go_ending_session()
logger.info("Re-invite the removed client to join the group")
dev[1].p2p_listen()
if not dev[0].discover_peer(addr1, social=True):
raise Exception("Peer " + peer + " not found")
dev[0].global_request("P2P_INVITE group=" + dev[0].group_ifname + " peer=" + addr1)
ev = dev[1].wait_global_event(["P2P-INVITATION-RECEIVED"], timeout=10)
if ev is None:
raise Exception("Timeout on invitation")
if "sa=" + addr0 + " persistent=" not in ev:
raise Exception("Unexpected invitation event")
[event,addr,persistent] = ev.split(' ', 2)
dev[1].global_request("P2P_GROUP_ADD " + persistent)
ev = dev[1].wait_global_event(["P2P-PERSISTENT-PSK-FAIL"], timeout=30)
if ev is None:
raise Exception("Did not receive PSK failure report")
[tmp,id] = ev.split('=', 1)
ev = dev[1].wait_global_event(["P2P-GROUP-REMOVED"], timeout=10)
if ev is None:
raise Exception("Group removal event timed out")
if "reason=PSK_FAILURE" not in ev:
raise Exception("Unexpected group removal reason")
dev[1].request("REMOVE_NETWORK " + id)
logger.info("Re-invite after client removed persistent group info")
dev[1].p2p_listen()
if not dev[0].discover_peer(addr1, social=True):
raise Exception("Peer " + peer + " not found")
dev[0].global_request("P2P_INVITE group=" + dev[0].group_ifname + " peer=" + addr1)
ev = dev[1].wait_global_event(["P2P-INVITATION-RECEIVED"], timeout=10)
if ev is None:
raise Exception("Timeout on invitation")
if " persistent=" in ev:
raise Exception("Unexpected invitation event")
pin = dev[1].wps_read_pin()
dev[0].p2p_go_authorize_client(pin)
c_res = dev[1].p2p_connect_group(addr0, pin, timeout=60)
if not c_res['persistent']:
raise Exception("Joining client did not recognize persistent group")
if r_res['psk'] == c_res['psk']:
raise Exception("Same PSK assigned on both times")
hwsim_utils.test_connectivity_p2p(dev[0], dev[1])
terminate_group(dev[0], dev[1])
def test_persistent_group_channel(dev):
"""P2P persistent group re-invocation with channel selection"""
form(dev[0], dev[1], test_data=False)
logger.info("Re-invoke persistent group from client with forced channel")
invite(dev[1], dev[0], "freq=2427")
[go_res, cli_res] = check_result(dev[0], dev[1])
if go_res['freq'] != "2427":
raise Exception("Persistent group client forced channel not followed")
terminate_group(dev[0], dev[1])
logger.info("Re-invoke persistent group from GO with forced channel")
invite(dev[0], dev[1], "freq=2432")
[go_res, cli_res] = check_result(dev[0], dev[1])
if go_res['freq'] != "2432":
raise Exception("Persistent group GO channel preference not followed")
terminate_group(dev[0], dev[1])
logger.info("Re-invoke persistent group from client with channel preference")
invite(dev[1], dev[0], "pref=2417")
[go_res, cli_res] = check_result(dev[0], dev[1])
if go_res['freq'] != "2417":
raise Exception("Persistent group client channel preference not followed")
terminate_group(dev[0], dev[1])
def test_persistent_group_and_role_change(dev):
"""P2P persistent group, auto GO in another role, and re-invocation"""
form(dev[0], dev[1])
logger.info("Start and stop autonomous GO on previous P2P client device")
dev[1].p2p_start_go()
dev[1].remove_group()
dev[1].dump_monitor()
logger.info("Re-invoke the persistent group")
invite_from_go(dev[0], dev[1])
def test_persistent_go_client_list(dev):
"""P2P GO and list of clients in persistent group"""
addr0 = dev[0].p2p_dev_addr()
addr1 = dev[1].p2p_dev_addr()
addr2 = dev[2].p2p_dev_addr()
res = dev[0].p2p_start_go(persistent=True)
id = None
for n in dev[0].list_networks():
if "[P2P-PERSISTENT]" in n['flags']:
id = n['id']
break
if id is None:
raise Exception("Could not find persistent group entry")
connect_cli(dev[0], dev[1])
clients = dev[0].request("GET_NETWORK " + id + " p2p_client_list").rstrip()
if clients != addr1:
raise Exception("Unexpected p2p_client_list entry(2): " + clients)
connect_cli(dev[0], dev[2])
clients = dev[0].request("GET_NETWORK " + id + " p2p_client_list").rstrip()
if clients != addr2 + " " + addr1:
raise Exception("Unexpected p2p_client_list entry(3): " + clients)
peer = dev[1].get_peer(res['go_dev_addr'])
dev[1].remove_group()
dev[1].request("P2P_GROUP_ADD persistent=" + peer['persistent'])
ev = dev[1].wait_global_event(["P2P-GROUP-STARTED"], timeout=30)
if ev is None:
raise Exception("Timeout on group restart (on client)")
clients = dev[0].request("GET_NETWORK " + id + " p2p_client_list").rstrip()
if clients != addr1 + " " + addr2:
raise Exception("Unexpected p2p_client_list entry(4): " + clients)
dev[2].remove_group()
dev[1].remove_group()
dev[0].remove_group()
clients = dev[0].request("GET_NETWORK " + id + " p2p_client_list").rstrip()
if clients != addr1 + " " + addr2:
raise Exception("Unexpected p2p_client_list entry(5): " + clients)
dev[1].p2p_listen()
dev[2].p2p_listen()
dev[0].request("P2P_FLUSH")
dev[0].discover_peer(addr1, social=True)
peer = dev[0].get_peer(addr1)
if 'persistent' not in peer or peer['persistent'] != id:
raise Exception("Persistent group client not recognized(1)")
dev[0].discover_peer(addr2, social=True)
peer = dev[0].get_peer(addr2)
if 'persistent' not in peer or peer['persistent'] != id:
raise Exception("Persistent group client not recognized(2)")
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