2 # Copyright (c) 2013, Jouni Malinen <j@w1.fi>
4 # This software may be distributed under the terms of the BSD license.
5 # See README for more details.
8 logger = logging.getLogger()
15 def connect_ibss_cmd(dev, id):
17 dev.select_network(id, freq="2412")
19 def wait_ibss_connection(dev):
20 logger.info(dev.ifname + " waiting for IBSS start/join to complete")
21 ev = dev.wait_connected(timeout=20,
22 error="Connection to the IBSS timed out")
23 exp = r'<.>(CTRL-EVENT-CONNECTED) - Connection to ([0-9a-f:]*) completed.*'
29 def wait_4way_handshake(dev1, dev2):
30 logger.info(dev1.ifname + " waiting for 4-way handshake completion with " + dev2.ifname + " " + dev2.p2p_interface_addr())
31 ev = dev1.wait_event(["IBSS-RSN-COMPLETED " + dev2.p2p_interface_addr()],
34 raise Exception("4-way handshake in IBSS timed out")
36 def wait_4way_handshake2(dev1, dev2, dev3):
37 logger.info(dev1.ifname + " waiting for 4-way handshake completion with " + dev2.ifname + " " + dev2.p2p_interface_addr() + " and " + dev3.p2p_interface_addr())
38 ev = dev1.wait_event(["IBSS-RSN-COMPLETED " + dev2.p2p_interface_addr(),
39 "IBSS-RSN-COMPLETED " + dev3.p2p_interface_addr()],
42 raise Exception("4-way handshake in IBSS timed out")
43 ev = dev1.wait_event(["IBSS-RSN-COMPLETED " + dev2.p2p_interface_addr(),
44 "IBSS-RSN-COMPLETED " + dev3.p2p_interface_addr()],
47 raise Exception("4-way handshake in IBSS timed out")
49 def add_ibss(dev, ssid, psk=None, proto=None, key_mgmt=None, pairwise=None,
50 group=None, beacon_int=None, bssid=None, scan_freq=None):
51 id = dev.add_network()
52 dev.set_network(id, "mode", "1")
53 dev.set_network(id, "frequency", "2412")
55 dev.set_network(id, "scan_freq", str(scan_freq))
56 dev.set_network_quoted(id, "ssid", ssid)
58 dev.set_network_quoted(id, "psk", psk)
60 dev.set_network(id, "proto", proto)
62 dev.set_network(id, "key_mgmt", key_mgmt)
64 dev.set_network(id, "pairwise", pairwise)
66 dev.set_network(id, "group", group)
68 dev.set_network(id, "beacon_int", beacon_int)
70 dev.set_network(id, "bssid", bssid)
71 dev.request("ENABLE_NETWORK " + str(id) + " no-connect")
74 def add_ibss_rsn(dev, ssid):
75 return add_ibss(dev, ssid, "12345678", "RSN", "WPA-PSK", "CCMP", "CCMP")
77 def add_ibss_wpa_none(dev, ssid):
78 return add_ibss(dev, ssid, "12345678", "WPA", "WPA-NONE", "TKIP", "TKIP")
80 def add_ibss_wpa_none_ccmp(dev, ssid):
81 return add_ibss(dev, ssid, "12345678", "WPA", "WPA-NONE", "CCMP", "CCMP")
83 def test_ibss_rsn(dev):
87 logger.info("Start IBSS on the first STA")
88 id = add_ibss_rsn(dev[0], ssid)
89 connect_ibss_cmd(dev[0], id)
90 bssid0 = wait_ibss_connection(dev[0])
92 logger.info("Join two STAs to the IBSS")
94 id = add_ibss_rsn(dev[1], ssid)
95 connect_ibss_cmd(dev[1], id)
96 bssid1 = wait_ibss_connection(dev[1])
98 logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
99 # try to merge with a scan
101 wait_4way_handshake(dev[0], dev[1])
102 wait_4way_handshake(dev[1], dev[0])
104 id = add_ibss_rsn(dev[2], ssid)
105 connect_ibss_cmd(dev[2], id)
106 bssid2 = wait_ibss_connection(dev[2])
108 logger.info("STA0 BSSID " + bssid0 + " differs from STA2 BSSID " + bssid2)
109 # try to merge with a scan
111 wait_4way_handshake(dev[0], dev[2])
112 wait_4way_handshake2(dev[2], dev[0], dev[1])
114 # Allow some time for all peers to complete key setup
116 hwsim_utils.test_connectivity(dev[0], dev[1])
117 hwsim_utils.test_connectivity(dev[0], dev[2])
118 hwsim_utils.test_connectivity(dev[1], dev[2])
120 dev[1].request("REMOVE_NETWORK all")
122 id = add_ibss_rsn(dev[1], ssid)
123 connect_ibss_cmd(dev[1], id)
124 bssid1 = wait_ibss_connection(dev[1])
126 logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
127 # try to merge with a scan
129 wait_4way_handshake(dev[0], dev[1])
130 wait_4way_handshake(dev[1], dev[0])
132 hwsim_utils.test_connectivity(dev[0], dev[1])
134 if "OK" not in dev[0].request("IBSS_RSN " + dev[1].p2p_interface_addr()):
135 raise Exception("IBSS_RSN command failed")
137 def test_ibss_wpa_none(dev):
141 logger.info("Start IBSS on the first STA")
142 id = add_ibss_wpa_none(dev[0], ssid)
143 connect_ibss_cmd(dev[0], id)
144 bssid0 = wait_ibss_connection(dev[0])
146 # This is a bit ugly, but no one really cares about WPA-None, so there may
147 # not be enough justification to clean this up.. For now, wpa_supplicant
148 # will show two connection events with mac80211_hwsim where the first one
149 # comes with all zeros address.
150 if bssid0 == "00:00:00:00:00:00":
151 logger.info("Waiting for real BSSID on the first STA")
152 bssid0 = wait_ibss_connection(dev[0])
154 logger.info("Join two STAs to the IBSS")
156 id = add_ibss_wpa_none(dev[1], ssid)
157 connect_ibss_cmd(dev[1], id)
158 id = add_ibss_wpa_none(dev[2], ssid)
159 connect_ibss_cmd(dev[2], id)
161 bssid1 = wait_ibss_connection(dev[1])
163 logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
164 bssid1 = wait_ibss_connection(dev[1])
166 bssid2 = wait_ibss_connection(dev[2])
168 logger.info("STA0 BSSID " + bssid0 + " differs from STA2 BSSID " + bssid2)
169 bssid2 = wait_ibss_connection(dev[2])
175 bss = dev[0].get_bss(bssid0)
177 bss = dev[1].get_bss(bssid1)
179 raise Exception("Could not find BSS entry for IBSS")
180 if 'flags' not in bss:
181 raise Exception("Could not get BSS flags from BSS table")
182 if "[WPA-None-TKIP]" not in bss['flags']:
183 raise Exception("Unexpected BSS flags: " + bss['flags'])
185 # Allow some time for all peers to complete key setup
188 # This is supposed to work, but looks like WPA-None does not work with
189 # mac80211 currently..
191 hwsim_utils.test_connectivity(dev[0], dev[1])
193 logger.info("Ignoring known connectivity failure: " + str(e))
195 hwsim_utils.test_connectivity(dev[0], dev[2])
197 logger.info("Ignoring known connectivity failure: " + str(e))
199 hwsim_utils.test_connectivity(dev[1], dev[2])
201 logger.info("Ignoring known connectivity failure: " + str(e))
203 def test_ibss_wpa_none_ccmp(dev):
204 """IBSS WPA-None/CCMP"""
207 logger.info("Start IBSS on the first STA")
208 id = add_ibss_wpa_none(dev[0], ssid)
209 connect_ibss_cmd(dev[0], id)
210 bssid0 = wait_ibss_connection(dev[0])
212 # This is a bit ugly, but no one really cares about WPA-None, so there may
213 # not be enough justification to clean this up.. For now, wpa_supplicant
214 # will show two connection events with mac80211_hwsim where the first one
215 # comes with all zeros address.
216 if bssid0 == "00:00:00:00:00:00":
217 logger.info("Waiting for real BSSID on the first STA")
218 bssid0 = wait_ibss_connection(dev[0])
221 logger.info("Join a STA to the IBSS")
222 id = add_ibss_wpa_none(dev[1], ssid)
223 connect_ibss_cmd(dev[1], id)
225 bssid1 = wait_ibss_connection(dev[1])
227 logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
228 bssid1 = wait_ibss_connection(dev[1])
233 # Allow some time for all peers to complete key setup
236 # This is supposed to work, but looks like WPA-None does not work with
237 # mac80211 currently..
239 hwsim_utils.test_connectivity(dev[0], dev[1])
241 logger.info("Ignoring known connectivity failure: " + str(e))
243 def test_ibss_open(dev):
244 """IBSS open (no security)"""
246 id = add_ibss(dev[0], ssid, key_mgmt="NONE", beacon_int="150")
247 connect_ibss_cmd(dev[0], id)
248 bssid0 = wait_ibss_connection(dev[0])
250 id = add_ibss(dev[1], ssid, key_mgmt="NONE", beacon_int="200")
251 connect_ibss_cmd(dev[1], id)
252 bssid1 = wait_ibss_connection(dev[1])
254 logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
256 res = dev[0].request("SCAN_RESULTS")
257 if "[IBSS]" not in res:
258 res = dev[1].request("SCAN_RESULTS")
259 if "[IBSS]" not in res:
260 raise Exception("IBSS flag missing from scan results: " + res)
261 bss = dev[0].get_bss(bssid0)
263 bss = dev[1].get_bss(bssid1)
265 raise Exception("Could not find BSS entry for IBSS")
266 if 'flags' not in bss:
267 raise Exception("Could not get BSS flags from BSS table")
268 if "[IBSS]" not in bss['flags']:
269 raise Exception("Unexpected BSS flags: " + bss['flags'])
271 def test_ibss_open_fixed_bssid(dev):
272 """IBSS open (no security) and fixed BSSID"""
274 bssid="02:11:22:33:44:55"
276 dev[0].request("AP_SCAN 2")
277 add_ibss(dev[0], ssid, key_mgmt="NONE", bssid=bssid, beacon_int="150")
278 dev[0].request("REASSOCIATE")
280 dev[1].request("AP_SCAN 2")
281 add_ibss(dev[1], ssid, key_mgmt="NONE", bssid=bssid, beacon_int="200")
282 dev[1].request("REASSOCIATE")
284 bssid0 = wait_ibss_connection(dev[0])
285 bssid1 = wait_ibss_connection(dev[1])
287 raise Exception("STA0 BSSID " + bssid0 + " differs from fixed BSSID " + bssid)
289 raise Exception("STA0 BSSID " + bssid0 + " differs from fixed BSSID " + bssid)
291 dev[0].request("AP_SCAN 1")
292 dev[1].request("AP_SCAN 1")
294 def test_ibss_open_retry(dev):
295 """IBSS open (no security) with cfg80211 retry workaround"""
296 subprocess.check_call(['iw', 'dev', dev[0].ifname, 'set', 'type', 'adhoc'])
297 subprocess.check_call(['iw', 'dev', dev[0].ifname, 'ibss', 'join',
298 'ibss-test', '2412', 'HT20', 'fixed-freq',
299 '02:22:33:44:55:66'])
302 dev[0].request("AP_SCAN 2")
303 id = add_ibss(dev[0], ssid, key_mgmt="NONE", beacon_int="150",
304 bssid="02:33:44:55:66:77", scan_freq=2412)
305 #connect_ibss_cmd(dev[0], id)
306 dev[0].request("REASSOCIATE")
307 bssid0 = wait_ibss_connection(dev[0])
309 subprocess.check_call(['iw', 'dev', dev[0].ifname, 'ibss', 'leave'])
311 dev[0].request("DISCONNECT")
313 dev[0].request("AP_SCAN 1")