1# cfg80211 connect command (SME in the driver/firmware)
2# Copyright (c) 2013, Jouni Malinen <j@w1.fi>
3#
4# This software may be distributed under the terms of the BSD license.
5# See README for more details.
6
7import logging
8logger = logging.getLogger()
9import time
10
11import hwsim_utils
12import hostapd
13from wpasupplicant import WpaSupplicant
14from p2p_utils import *
15from utils import *
16
17def test_connect_cmd_open(dev, apdev):
18    """Open connection using cfg80211 connect command"""
19    params = {"ssid": "sta-connect",
20              "manage_p2p": "1",
21              "allow_cross_connection": "1"}
22    hostapd.add_ap(apdev[0], params)
23
24    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
25    wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
26    wpas.connect("sta-connect", key_mgmt="NONE", scan_freq="2412",
27                 bg_scan_period="1")
28    wpas.dump_monitor()
29    wpas.request("DISCONNECT")
30    wpas.wait_disconnected()
31    wpas.dump_monitor()
32
33def test_connect_cmd_wep(dev, apdev):
34    """WEP Open System using cfg80211 connect command"""
35    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
36    wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
37    check_wep_capa(wpas)
38
39    params = {"ssid": "sta-connect-wep", "wep_key0": '"hello"'}
40    hapd = hostapd.add_ap(apdev[0], params)
41
42    wpas.connect("sta-connect-wep", key_mgmt="NONE", scan_freq="2412",
43                 wep_key0='"hello"')
44    wpas.dump_monitor()
45    hwsim_utils.test_connectivity(wpas, hapd)
46    wpas.request("DISCONNECT")
47    wpas.wait_disconnected()
48    wpas.dump_monitor()
49
50def test_connect_cmd_wep_shared(dev, apdev):
51    """WEP Shared key using cfg80211 connect command"""
52    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
53    wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
54    check_wep_capa(wpas)
55
56    params = {"ssid": "sta-connect-wep", "wep_key0": '"hello"',
57              "auth_algs": "2"}
58    hapd = hostapd.add_ap(apdev[0], params)
59
60    id = wpas.connect("sta-connect-wep", key_mgmt="NONE", scan_freq="2412",
61                      auth_alg="SHARED", wep_key0='"hello"')
62    wpas.dump_monitor()
63    hwsim_utils.test_connectivity(wpas, hapd)
64    wpas.request("DISCONNECT")
65    wpas.remove_network(id)
66    wpas.connect("sta-connect-wep", key_mgmt="NONE", scan_freq="2412",
67                 auth_alg="OPEN SHARED", wep_key0='"hello"')
68    wpas.dump_monitor()
69    hwsim_utils.test_connectivity(wpas, hapd)
70    wpas.request("DISCONNECT")
71    wpas.wait_disconnected()
72    wpas.dump_monitor()
73
74def test_connect_cmd_p2p_management(dev, apdev):
75    """Open connection using cfg80211 connect command and AP using P2P management"""
76    params = {"ssid": "sta-connect",
77              "manage_p2p": "1",
78              "allow_cross_connection": "0"}
79    hostapd.add_ap(apdev[0], params)
80
81    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
82    wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
83    wpas.connect("sta-connect", key_mgmt="NONE", scan_freq="2412")
84    wpas.dump_monitor()
85    wpas.request("DISCONNECT")
86    wpas.wait_disconnected()
87    wpas.dump_monitor()
88
89def test_connect_cmd_wpa2_psk(dev, apdev):
90    """WPA2-PSK connection using cfg80211 connect command"""
91    params = hostapd.wpa2_params(ssid="sta-connect", passphrase="12345678")
92    hostapd.add_ap(apdev[0], params)
93
94    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
95    wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
96    wpas.connect("sta-connect", psk="12345678", scan_freq="2412")
97    wpas.dump_monitor()
98    wpas.request("DISCONNECT")
99    wpas.wait_disconnected()
100    wpas.dump_monitor()
101
102def test_connect_cmd_concurrent_grpform_while_connecting(dev, apdev):
103    """Concurrent P2P group formation while connecting to an AP using cfg80211 connect command"""
104    logger.info("Start connection to an infrastructure AP")
105    hapd = hostapd.add_ap(apdev[0], {"ssid": "test-open"})
106
107    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
108    wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
109    wpas.connect("test-open", key_mgmt="NONE", wait_connect=False)
110    wpas.dump_monitor()
111
112    logger.info("Form a P2P group while connecting to an AP")
113    wpas.request("SET p2p_no_group_iface 0")
114
115    [i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_freq=2412,
116                                           r_dev=wpas, r_freq=2412)
117    check_grpform_results(i_res, r_res)
118    remove_group(dev[0], wpas)
119    wpas.dump_monitor()
120
121    logger.info("Confirm AP connection after P2P group removal")
122    hapd.wait_sta()
123    hwsim_utils.test_connectivity(wpas, hapd)
124
125    wpas.request("DISCONNECT")
126    wpas.wait_disconnected()
127    wpas.dump_monitor()
128
129def test_connect_cmd_reject_assoc(dev, apdev):
130    """Connection using cfg80211 connect command getting rejected"""
131    params = {"ssid": "sta-connect"}
132    hapd = hostapd.add_ap(apdev[0], params)
133
134    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
135    wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
136    with fail_test(hapd, 1, "hostapd_get_aid"):
137        wpas.connect("sta-connect", key_mgmt="NONE", scan_freq="2412",
138                     wait_connect=False)
139        ev = wpas.wait_event(["CTRL-EVENT-ASSOC-REJECT"], timeout=15)
140        if ev is None:
141            raise Exception("Association rejection timed out")
142    if "status_code=17" not in ev:
143        raise Exception("Unexpected rejection status code")
144
145    wpas.request("DISCONNECT")
146    wpas.dump_monitor()
147
148def test_connect_cmd_disconnect_event(dev, apdev):
149    """Connection using cfg80211 connect command getting disconnected by the AP"""
150    params = {"ssid": "sta-connect"}
151    hapd = hostapd.add_ap(apdev[0], params)
152
153    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
154    wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
155    wpas.connect("sta-connect", key_mgmt="NONE", scan_freq="2412")
156
157    if "OK" not in hapd.request("DEAUTHENTICATE " + wpas.p2p_interface_addr()):
158        raise Exception("DEAUTHENTICATE command failed")
159    ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=5)
160    if ev is None:
161        raise Exception("Disconnection event timed out")
162    # This event was actually based on deauthenticate event since we force
163    # connect command to be used with a driver that supports auth+assoc for
164    # testing purposes. Anyway, wait some time to allow the debug log to capture
165    # the following NL80211_CMD_DISCONNECT event.
166    time.sleep(0.1)
167    wpas.dump_monitor()
168
169    # Clean up to avoid causing issue for following test cases
170    wpas.request("REMOVE_NETWORK all")
171    wpas.wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=2)
172    wpas.flush_scan_cache()
173    wpas.dump_monitor()
174    wpas.interface_remove("wlan5")
175    del wpas
176
177def test_connect_cmd_roam(dev, apdev):
178    """cfg80211 connect command to trigger roam"""
179    params = {"ssid": "sta-connect"}
180    hostapd.add_ap(apdev[0], params)
181
182    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
183    wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
184    wpas.connect("sta-connect", key_mgmt="NONE", scan_freq="2412")
185    wpas.dump_monitor()
186
187    hostapd.add_ap(apdev[1], params)
188    wpas.scan_for_bss(apdev[1]['bssid'], freq=2412, force_scan=True)
189    wpas.roam(apdev[1]['bssid'])
190    time.sleep(0.1)
191    wpas.request("DISCONNECT")
192    wpas.wait_disconnected()
193    wpas.dump_monitor()
194
195def test_connect_cmd_wpa_psk_roam(dev, apdev):
196    """WPA2/WPA-PSK connection using cfg80211 connect command to trigger roam"""
197    params = hostapd.wpa2_params(ssid="sta-connect", passphrase="12345678")
198    hostapd.add_ap(apdev[0], params)
199
200    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
201    wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
202    wpas.connect("sta-connect", psk="12345678", scan_freq="2412")
203    wpas.dump_monitor()
204
205    params = hostapd.wpa_params(ssid="sta-connect", passphrase="12345678")
206    hostapd.add_ap(apdev[1], params)
207    wpas.scan_for_bss(apdev[1]['bssid'], freq=2412, force_scan=True)
208    wpas.roam(apdev[1]['bssid'])
209    time.sleep(0.1)
210    wpas.request("DISCONNECT")
211    wpas.wait_disconnected()
212    wpas.dump_monitor()
213
214def test_connect_cmd_bssid_hint(dev, apdev):
215    """cfg80211 connect command with bssid_hint"""
216    params = {"ssid": "sta-connect"}
217    hostapd.add_ap(apdev[0], params)
218    hostapd.add_ap(apdev[1], params)
219
220    # This does not really give full coverage with mac80211_hwsim since the
221    # driver does not end up claiming support for driver-based BSS selection.
222    # Anyway, some test coverage can be achieved for setting the parameter and
223    # checking that it does not prevent connection with another BSSID.
224
225    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
226    wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
227
228    wpas.connect("sta-connect", key_mgmt="NONE", scan_freq="2412",
229                 bssid_hint=apdev[0]['bssid'])
230    wpas.request("REMOVE_NETWORK all")
231    wpas.wait_disconnected()
232    wpas.dump_monitor()
233
234    wpas.request("BSS_FLUSH 0")
235    wpas.connect("sta-connect", key_mgmt="NONE", scan_freq="2412",
236                 bssid_hint='22:33:44:55:66:77')
237    wpas.request("REMOVE_NETWORK all")
238    wpas.wait_disconnected()
239    wpas.dump_monitor()
240
241    # Additional coverage using ap_scan=2 to prevent scan entry -based selection
242    # within wpa_supplicant from overriding bssid_hint.
243
244    try:
245        if "OK" not in wpas.request("AP_SCAN 2"):
246            raise Exception("Failed to set AP_SCAN 2")
247        wpas.request("BSS_FLUSH 0")
248        wpas.connect("sta-connect", key_mgmt="NONE", scan_freq="2412",
249                     bssid_hint='22:33:44:55:66:77')
250        wpas.request("REMOVE_NETWORK all")
251        wpas.wait_disconnected()
252        wpas.dump_monitor()
253    finally:
254        wpas.request("AP_SCAN 1")
255    wpas.flush_scan_cache()
256