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.
7 from remotehost import remote_compatible
10 logger = logging.getLogger()
14 from wpasupplicant import WpaSupplicant
17 def test_ap_roam_open(dev, apdev):
18 """Roam between two open APs"""
19 hapd0 = hostapd.add_ap(apdev[0], { "ssid": "test-open" })
20 dev[0].connect("test-open", key_mgmt="NONE")
21 hwsim_utils.test_connectivity(dev[0], hapd0)
22 hapd1 = hostapd.add_ap(apdev[1], { "ssid": "test-open" })
23 dev[0].scan(type="ONLY")
24 dev[0].roam(apdev[1]['bssid'])
25 hwsim_utils.test_connectivity(dev[0], hapd1)
26 dev[0].roam(apdev[0]['bssid'])
27 hwsim_utils.test_connectivity(dev[0], hapd0)
30 def test_ap_roam_open_failed(dev, apdev):
31 """Roam failure due to rejected authentication"""
32 hapd0 = hostapd.add_ap(apdev[0], { "ssid": "test-open" })
33 dev[0].connect("test-open", key_mgmt="NONE", scan_freq="2412")
34 hwsim_utils.test_connectivity(dev[0], hapd0)
35 params = { "ssid": "test-open", "max_num_sta" : "0" }
36 hapd1 = hostapd.add_ap(apdev[1], params)
37 bssid = hapd1.own_addr()
39 dev[0].scan_for_bss(bssid, freq=2412)
41 if "OK" not in dev[0].request("ROAM " + bssid):
42 raise Exception("ROAM failed")
44 ev = dev[0].wait_event(["CTRL-EVENT-AUTH-REJECT"], 1)
46 raise Exception("CTRL-EVENT-AUTH-REJECT was not seen")
48 dev[0].wait_connected(timeout=5)
49 hwsim_utils.test_connectivity(dev[0], hapd0)
52 def test_ap_roam_wpa2_psk(dev, apdev):
53 """Roam between two WPA2-PSK APs"""
54 params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
55 hapd0 = hostapd.add_ap(apdev[0], params)
56 dev[0].connect("test-wpa2-psk", psk="12345678")
57 hwsim_utils.test_connectivity(dev[0], hapd0)
58 hapd1 = hostapd.add_ap(apdev[1], params)
59 dev[0].scan(type="ONLY")
60 dev[0].roam(apdev[1]['bssid'])
61 hwsim_utils.test_connectivity(dev[0], hapd1)
62 dev[0].roam(apdev[0]['bssid'])
63 hwsim_utils.test_connectivity(dev[0], hapd0)
65 def get_blacklist(dev):
66 return dev.request("BLACKLIST").splitlines()
68 def test_ap_roam_with_reassoc_auth_timeout(dev, apdev, params):
69 """Roam using reassoc between two APs and authentication times out"""
70 wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
71 wpas.interface_add("wlan5",
72 drv_params="force_connect_cmd=1,force_bss_selection=1")
74 params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
75 hapd0 = hostapd.add_ap(apdev[0], params)
76 bssid0 = hapd0.own_addr()
78 id = wpas.connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
79 hwsim_utils.test_connectivity(wpas, hapd0)
81 hapd1 = hostapd.add_ap(apdev[1], params)
82 bssid1 = hapd1.own_addr()
83 wpas.scan_for_bss(bssid1, freq=2412)
85 if "OK" not in wpas.request("SET_NETWORK " + str(id) + " bssid " + bssid1):
86 raise Exception("SET_NETWORK failed")
87 if "OK" not in wpas.request("SET ignore_auth_resp 1"):
88 raise Exception("SET ignore_auth_resp failed")
89 if "OK" not in wpas.request("REASSOCIATE"):
90 raise Exception("REASSOCIATE failed")
92 logger.info("Wait ~10s for auth timeout...")
94 ev = wpas.wait_event(["CTRL-EVENT-SCAN-STARTED"], 12)
96 raise Exception("CTRL-EVENT-SCAN-STARTED not seen");
98 b = get_blacklist(wpas)
100 raise Exception("Unexpected blacklist contents: " + str(b))
102 def test_ap_roam_wpa2_psk_failed(dev, apdev, params):
103 """Roam failure with WPA2-PSK AP due to wrong passphrase"""
104 params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
105 hapd0 = hostapd.add_ap(apdev[0], params)
106 id = dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
107 hwsim_utils.test_connectivity(dev[0], hapd0)
108 params['wpa_passphrase'] = "22345678"
109 hapd1 = hostapd.add_ap(apdev[1], params)
110 bssid = hapd1.own_addr()
111 dev[0].scan_for_bss(bssid, freq=2412)
113 dev[0].dump_monitor()
114 if "OK" not in dev[0].request("ROAM " + bssid):
115 raise Exception("ROAM failed")
117 ev = dev[0].wait_event(["CTRL-EVENT-SSID-TEMP-DISABLED",
118 "CTRL-EVENT-CONNECTED"], 5)
119 if "CTRL-EVENT-CONNECTED" in ev:
120 raise Exception("Got unexpected CTRL-EVENT-CONNECTED")
121 if "CTRL-EVENT-SSID-TEMP-DISABLED" not in ev:
122 raise Exception("CTRL-EVENT-SSID-TEMP-DISABLED not seen")
124 if "OK" not in dev[0].request("SELECT_NETWORK id=" + str(id)):
125 raise Exception("SELECT_NETWORK failed")
127 ev = dev[0].wait_event(["CTRL-EVENT-SSID-REENABLED"], 3)
129 raise Exception("CTRL-EVENT-SSID-REENABLED not seen")
131 dev[0].wait_connected(timeout=5)
132 hwsim_utils.test_connectivity(dev[0], hapd0)
135 def test_ap_reassociation_to_same_bss(dev, apdev):
136 """Reassociate to the same BSS"""
137 hapd = hostapd.add_ap(apdev[0], { "ssid": "test-open" })
138 dev[0].connect("test-open", key_mgmt="NONE")
140 dev[0].request("REASSOCIATE")
141 dev[0].wait_connected(timeout=10, error="Reassociation timed out")
142 hwsim_utils.test_connectivity(dev[0], hapd)
144 dev[0].request("REATTACH")
145 dev[0].wait_connected(timeout=10, error="Reattach timed out")
146 hwsim_utils.test_connectivity(dev[0], hapd)
148 # Wait for previous scan results to expire to trigger new scan
150 dev[0].request("REATTACH")
151 dev[0].wait_connected(timeout=10, error="Reattach timed out")
152 hwsim_utils.test_connectivity(dev[0], hapd)
155 def test_ap_roam_set_bssid(dev, apdev):
157 hostapd.add_ap(apdev[0], { "ssid": "test-open" })
158 hostapd.add_ap(apdev[1], { "ssid": "test-open" })
159 id = dev[0].connect("test-open", key_mgmt="NONE", bssid=apdev[1]['bssid'],
161 if dev[0].get_status_field('bssid') != apdev[1]['bssid']:
162 raise Exception("Unexpected BSS")
163 # for now, these are just verifying that the code path to indicate
164 # within-ESS roaming changes can be executed; the actual results of those
165 # operations are not currently verified (that would require a test driver
166 # that does BSS selection)
167 dev[0].set_network(id, "bssid", "")
168 dev[0].set_network(id, "bssid", apdev[0]['bssid'])
169 dev[0].set_network(id, "bssid", apdev[1]['bssid'])
172 def test_ap_roam_wpa2_psk_race(dev, apdev):
173 """Roam between two WPA2-PSK APs and try to hit a disconnection race"""
174 params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
175 hapd0 = hostapd.add_ap(apdev[0], params)
176 dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
177 hwsim_utils.test_connectivity(dev[0], hapd0)
179 params['channel'] = '2'
180 hapd1 = hostapd.add_ap(apdev[1], params)
181 dev[0].scan_for_bss(apdev[1]['bssid'], freq=2417)
182 dev[0].roam(apdev[1]['bssid'])
183 hwsim_utils.test_connectivity(dev[0], hapd1)
184 dev[0].roam(apdev[0]['bssid'])
185 hwsim_utils.test_connectivity(dev[0], hapd0)
186 # Wait at least two seconds to trigger the previous issue with the
187 # disconnection callback.
190 hwsim_utils.test_connectivity(dev[0], hapd0)