3 # P2P persistent group test cases
4 # Copyright (c) 2013, Jouni Malinen <j@w1.fi>
6 # This software may be distributed under the terms of the BSD license.
7 # See README for more details.
10 logger = logging.getLogger()
13 from test_p2p_autogo import connect_cli
15 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):
18 pin = r_dev.wps_read_pin()
19 logger.info("Start GO negotiation " + i_dev.ifname + " -> " + r_dev.ifname)
20 r_dev.p2p_go_neg_auth(i_dev.p2p_dev_addr(), pin, r_method,
21 go_intent=r_intent, persistent=True)
22 i_res = i_dev.p2p_go_neg_init(r_dev.p2p_dev_addr(), pin, i_method,
23 timeout=20, go_intent=i_intent,
25 r_res = r_dev.p2p_go_neg_auth_result()
26 logger.debug("i_res: " + str(i_res))
27 logger.debug("r_res: " + str(r_res))
30 logger.info("Group formed")
32 hwsim_utils.test_connectivity_p2p(r_dev, i_dev)
35 def terminate_group(go, cli):
36 logger.info("Terminate persistent group")
38 cli.wait_go_ending_session()
40 def invite(inv, resp, extra=None):
41 addr = resp.p2p_dev_addr()
42 resp.request("SET persistent_reconnect 1")
44 if not inv.discover_peer(addr, social=True):
45 raise Exception("Peer " + addr + " not found")
47 peer = inv.get_peer(addr)
48 cmd = "P2P_INVITE persistent=" + peer['persistent'] + " peer=" + addr
50 cmd = cmd + " " + extra;
51 inv.global_request(cmd)
53 def check_result(go, cli):
54 ev = go.wait_global_event(["P2P-GROUP-STARTED"], timeout=30)
56 raise Exception("Timeout on group re-invocation (on GO)")
57 if "[PERSISTENT]" not in ev:
58 raise Exception("Re-invoked group not marked persistent")
59 go_res = go.group_form_result(ev)
60 if go_res['role'] != 'GO':
61 raise Exception("Persistent group GO did not become GO")
62 if not go_res['persistent']:
63 raise Exception("Persistent group not re-invoked as persistent (GO)")
64 ev = cli.wait_global_event(["P2P-GROUP-STARTED"], timeout=30)
66 raise Exception("Timeout on group re-invocation (on client)")
67 if "[PERSISTENT]" not in ev:
68 raise Exception("Re-invoked group not marked persistent")
69 cli_res = cli.group_form_result(ev)
70 if cli_res['role'] != 'client':
71 raise Exception("Persistent group client did not become client")
72 if not cli_res['persistent']:
73 raise Exception("Persistent group not re-invoked as persistent (cli)")
74 return [go_res, cli_res]
76 def form(go, cli, test_data=True):
77 logger.info("Form a persistent group")
78 [i_res, r_res] = go_neg_pin_authorized_persistent(i_dev=go, i_intent=15,
79 r_dev=cli, r_intent=0,
81 if not i_res['persistent'] or not r_res['persistent']:
82 raise Exception("Formed group was not persistent")
83 terminate_group(go, cli)
85 def invite_from_cli(go, cli):
86 logger.info("Re-invoke persistent group from client")
89 hwsim_utils.test_connectivity_p2p(go, cli)
90 terminate_group(go, cli)
92 def invite_from_go(go, cli):
93 logger.info("Re-invoke persistent group from GO")
96 hwsim_utils.test_connectivity_p2p(go, cli)
97 terminate_group(go, cli)
99 def test_persistent_group(dev):
100 """P2P persistent group formation and re-invocation"""
102 invite_from_cli(dev[0], dev[1])
103 invite_from_go(dev[0], dev[1])
105 def test_persistent_group_per_sta_psk(dev):
106 """P2P persistent group formation and re-invocation using per-client PSK"""
107 addr0 = dev[0].p2p_dev_addr()
108 addr1 = dev[1].p2p_dev_addr()
109 addr2 = dev[2].p2p_dev_addr()
110 dev[0].request("P2P_SET per_sta_psk 1")
111 logger.info("Form a persistent group")
112 [i_res, r_res] = go_neg_pin_authorized_persistent(i_dev=dev[0], i_intent=15,
113 r_dev=dev[1], r_intent=0)
114 if not i_res['persistent'] or not r_res['persistent']:
115 raise Exception("Formed group was not persistent")
117 logger.info("Join another client to the group")
118 pin = dev[2].wps_read_pin()
119 dev[0].p2p_go_authorize_client(pin)
120 c_res = dev[2].p2p_connect_group(addr0, pin, timeout=60)
121 if not c_res['persistent']:
122 raise Exception("Joining client did not recognize persistent group")
123 if r_res['psk'] == c_res['psk']:
124 raise Exception("Same PSK assigned for both clients")
125 hwsim_utils.test_connectivity_p2p_sta(dev[1], dev[2])
127 logger.info("Leave persistent group and rejoin it")
128 dev[2].remove_group()
129 ev = dev[2].wait_event(["P2P-GROUP-REMOVED"], timeout=3)
131 raise Exception("Group removal event timed out")
132 if not dev[2].discover_peer(addr0, social=True):
133 raise Exception("Peer " + peer + " not found")
134 dev[2].dump_monitor()
135 peer = dev[2].get_peer(addr0)
136 dev[2].global_request("P2P_GROUP_ADD persistent=" + peer['persistent'])
137 ev = dev[2].wait_global_event(["P2P-GROUP-STARTED"], timeout=30)
139 raise Exception("Timeout on group restart (on client)")
140 cli_res = dev[2].group_form_result(ev)
141 if not cli_res['persistent']:
142 raise Exception("Persistent group not restarted as persistent (cli)")
143 hwsim_utils.test_connectivity_p2p(dev[1], dev[2])
145 logger.info("Remove one of the clients from the group")
146 dev[0].global_request("P2P_REMOVE_CLIENT " + addr2)
147 dev[2].wait_go_ending_session()
149 logger.info("Try to reconnect after having been removed from group")
150 if not dev[2].discover_peer(addr0, social=True):
151 raise Exception("Peer " + peer + " not found")
152 dev[2].dump_monitor()
153 peer = dev[2].get_peer(addr0)
154 dev[2].global_request("P2P_GROUP_ADD persistent=" + peer['persistent'])
155 ev = dev[2].wait_global_event(["P2P-GROUP-STARTED","WPA: 4-Way Handshake failed"], timeout=30)
157 raise Exception("Timeout on group restart (on client)")
158 if "P2P-GROUP-STARTED" in ev:
159 raise Exception("Client managed to connect after being removed")
161 logger.info("Remove the remaining client from the group")
162 dev[0].global_request("P2P_REMOVE_CLIENT " + addr1)
163 dev[1].wait_go_ending_session()
165 logger.info("Terminate persistent group")
166 dev[0].remove_group()
167 dev[0].dump_monitor()
169 logger.info("Try to re-invoke persistent group from client")
170 dev[0].request("SET persistent_reconnect 1")
172 if not dev[1].discover_peer(addr0, social=True):
173 raise Exception("Peer " + peer + " not found")
174 dev[1].dump_monitor()
175 peer = dev[1].get_peer(addr0)
176 dev[1].global_request("P2P_INVITE persistent=" + peer['persistent'] + " peer=" + addr0)
177 ev = dev[1].wait_global_event(["P2P-GROUP-STARTED","WPA: 4-Way Handshake failed"], timeout=30)
179 raise Exception("Timeout on group restart (on client)")
180 if "P2P-GROUP-STARTED" in ev:
181 raise Exception("Client managed to re-invoke after being removed")
182 dev[0].dump_monitor()
184 logger.info("Terminate persistent group")
185 dev[0].remove_group()
186 dev[0].dump_monitor()
188 def test_persistent_group_invite_removed_client(dev):
189 """P2P persistent group client removal and re-invitation"""
190 addr0 = dev[0].p2p_dev_addr()
191 addr1 = dev[1].p2p_dev_addr()
192 dev[0].request("P2P_SET per_sta_psk 1")
193 logger.info("Form a persistent group")
194 [i_res, r_res] = go_neg_pin_authorized_persistent(i_dev=dev[0], i_intent=15,
195 r_dev=dev[1], r_intent=0)
196 if not i_res['persistent'] or not r_res['persistent']:
197 raise Exception("Formed group was not persistent")
199 logger.info("Remove client from the group")
200 dev[0].global_request("P2P_REMOVE_CLIENT " + addr1)
201 dev[1].wait_go_ending_session()
203 logger.info("Re-invite the removed client to join the group")
205 if not dev[0].discover_peer(addr1, social=True):
206 raise Exception("Peer " + peer + " not found")
207 dev[0].global_request("P2P_INVITE group=" + dev[0].group_ifname + " peer=" + addr1)
208 ev = dev[1].wait_global_event(["P2P-INVITATION-RECEIVED"], timeout=10)
210 raise Exception("Timeout on invitation")
211 if "sa=" + addr0 + " persistent=" not in ev:
212 raise Exception("Unexpected invitation event")
213 [event,addr,persistent] = ev.split(' ', 2)
214 dev[1].global_request("P2P_GROUP_ADD " + persistent)
215 ev = dev[1].wait_global_event(["P2P-PERSISTENT-PSK-FAIL"], timeout=30)
217 raise Exception("Did not receive PSK failure report")
218 [tmp,id] = ev.split('=', 1)
219 ev = dev[1].wait_global_event(["P2P-GROUP-REMOVED"], timeout=10)
221 raise Exception("Group removal event timed out")
222 if "reason=PSK_FAILURE" not in ev:
223 raise Exception("Unexpected group removal reason")
224 dev[1].request("REMOVE_NETWORK " + id)
226 logger.info("Re-invite after client removed persistent group info")
228 if not dev[0].discover_peer(addr1, social=True):
229 raise Exception("Peer " + peer + " not found")
230 dev[0].global_request("P2P_INVITE group=" + dev[0].group_ifname + " peer=" + addr1)
231 ev = dev[1].wait_global_event(["P2P-INVITATION-RECEIVED"], timeout=10)
233 raise Exception("Timeout on invitation")
234 if " persistent=" in ev:
235 raise Exception("Unexpected invitation event")
236 pin = dev[1].wps_read_pin()
237 dev[0].p2p_go_authorize_client(pin)
238 c_res = dev[1].p2p_connect_group(addr0, pin, timeout=60)
239 if not c_res['persistent']:
240 raise Exception("Joining client did not recognize persistent group")
241 if r_res['psk'] == c_res['psk']:
242 raise Exception("Same PSK assigned on both times")
243 hwsim_utils.test_connectivity_p2p(dev[0], dev[1])
245 terminate_group(dev[0], dev[1])
247 def test_persistent_group_channel(dev):
248 """P2P persistent group re-invocation with channel selection"""
249 form(dev[0], dev[1], test_data=False)
251 logger.info("Re-invoke persistent group from client with forced channel")
252 invite(dev[1], dev[0], "freq=2427")
253 [go_res, cli_res] = check_result(dev[0], dev[1])
254 if go_res['freq'] != "2427":
255 raise Exception("Persistent group client forced channel not followed")
256 terminate_group(dev[0], dev[1])
258 logger.info("Re-invoke persistent group from GO with forced channel")
259 invite(dev[0], dev[1], "freq=2432")
260 [go_res, cli_res] = check_result(dev[0], dev[1])
261 if go_res['freq'] != "2432":
262 raise Exception("Persistent group GO channel preference not followed")
263 terminate_group(dev[0], dev[1])
265 logger.info("Re-invoke persistent group from client with channel preference")
266 invite(dev[1], dev[0], "pref=2417")
267 [go_res, cli_res] = check_result(dev[0], dev[1])
268 if go_res['freq'] != "2417":
269 raise Exception("Persistent group client channel preference not followed")
270 terminate_group(dev[0], dev[1])
272 def test_persistent_group_and_role_change(dev):
273 """P2P persistent group, auto GO in another role, and re-invocation"""
276 logger.info("Start and stop autonomous GO on previous P2P client device")
277 dev[1].p2p_start_go()
278 dev[1].remove_group()
279 dev[1].dump_monitor()
281 logger.info("Re-invoke the persistent group")
282 invite_from_go(dev[0], dev[1])
284 def test_persistent_go_client_list(dev):
285 """P2P GO and list of clients in persistent group"""
286 addr0 = dev[0].p2p_dev_addr()
287 addr1 = dev[1].p2p_dev_addr()
288 addr2 = dev[2].p2p_dev_addr()
290 res = dev[0].p2p_start_go(persistent=True)
292 for n in dev[0].list_networks():
293 if "[P2P-PERSISTENT]" in n['flags']:
297 raise Exception("Could not find persistent group entry")
299 connect_cli(dev[0], dev[1])
300 clients = dev[0].request("GET_NETWORK " + id + " p2p_client_list").rstrip()
302 raise Exception("Unexpected p2p_client_list entry(2): " + clients)
303 connect_cli(dev[0], dev[2])
304 clients = dev[0].request("GET_NETWORK " + id + " p2p_client_list").rstrip()
305 if clients != addr2 + " " + addr1:
306 raise Exception("Unexpected p2p_client_list entry(3): " + clients)
308 peer = dev[1].get_peer(res['go_dev_addr'])
309 dev[1].remove_group()
310 dev[1].request("P2P_GROUP_ADD persistent=" + peer['persistent'])
311 ev = dev[1].wait_global_event(["P2P-GROUP-STARTED"], timeout=30)
313 raise Exception("Timeout on group restart (on client)")
314 clients = dev[0].request("GET_NETWORK " + id + " p2p_client_list").rstrip()
315 if clients != addr1 + " " + addr2:
316 raise Exception("Unexpected p2p_client_list entry(4): " + clients)
318 dev[2].remove_group()
319 dev[1].remove_group()
320 dev[0].remove_group()
322 clients = dev[0].request("GET_NETWORK " + id + " p2p_client_list").rstrip()
323 if clients != addr1 + " " + addr2:
324 raise Exception("Unexpected p2p_client_list entry(5): " + clients)
328 dev[0].request("P2P_FLUSH")
329 dev[0].discover_peer(addr1, social=True)
330 peer = dev[0].get_peer(addr1)
331 if 'persistent' not in peer or peer['persistent'] != id:
332 raise Exception("Persistent group client not recognized(1)")
334 dev[0].discover_peer(addr2, social=True)
335 peer = dev[0].get_peer(addr2)
336 if 'persistent' not in peer or peer['persistent'] != id:
337 raise Exception("Persistent group client not recognized(2)")