tests/hwsim/test_ap_track.py

   1 # Test cases for hostapd tracking unconnected stations
   2 # Copyright (c) 2015, 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
   7 import logging
   8 logger = logging.getLogger()
   9 import subprocess
  10 import time
  11
  12 import hostapd
  13 from wpasupplicant import WpaSupplicant
  14
  15 def test_ap_track_sta(dev, apdev):
  16     """Dualband AP tracking unconnected stations"""
  17     try:
  18         _test_ap_track_sta(dev, apdev)
  19     finally:
  20         subprocess.call(['iw', 'reg', 'set', '00'])
  21
  22 def _test_ap_track_sta(dev, apdev):
  23     params = { "ssid": "track",
  24                "country_code": "US",
  25                "hw_mode": "g",
  26                "channel": "6",
  27                "track_sta_max_num": "2" }
  28     hapd = hostapd.add_ap(apdev[0], params)
  29     bssid = apdev[0]['bssid']
  30
  31     params = { "ssid": "track",
  32                "country_code": "US",
  33                "hw_mode": "a",
  34                "channel": "40",
  35                "track_sta_max_num": "100",
  36                "track_sta_max_age": "1" }
  37     hapd2 = hostapd.add_ap(apdev[1], params)
  38     bssid2 = apdev[1]['bssid']
  39
  40     for i in range(2):
  41         dev[0].scan_for_bss(bssid, freq=2437, force_scan=True)
  42         dev[0].scan_for_bss(bssid2, freq=5200, force_scan=True)
  43         dev[1].scan_for_bss(bssid, freq=2437, force_scan=True)
  44         dev[2].scan_for_bss(bssid2, freq=5200, force_scan=True)
  45
  46     addr0 = dev[0].own_addr()
  47     addr1 = dev[1].own_addr()
  48     addr2 = dev[2].own_addr()
  49
  50     track = hapd.request("TRACK_STA_LIST")
  51     if addr0 not in track or addr1 not in track:
  52         raise Exception("Station missing from 2.4 GHz tracking")
  53     if addr2 in track:
  54         raise Exception("Unexpected station included in 2.4 GHz tracking")
  55
  56     track = hapd2.request("TRACK_STA_LIST")
  57     if addr0 not in track or addr2 not in track:
  58         raise Exception("Station missing from 5 GHz tracking")
  59     if addr1 in track:
  60         raise Exception("Unexpected station included in 5 GHz tracking")
  61
  62     # Test expiration
  63     time.sleep(1.1)
  64     track = hapd.request("TRACK_STA_LIST")
  65     if addr0 not in track or addr1 not in track:
  66         raise Exception("Station missing from 2.4 GHz tracking (expiration)")
  67     track = hapd2.request("TRACK_STA_LIST")
  68     if addr0 in track or addr2 in track:
  69         raise Exception("Station not expired from 5 GHz tracking")
  70
  71     # Test maximum list length
  72     dev[0].scan_for_bss(bssid, freq=2437, force_scan=True)
  73     dev[1].scan_for_bss(bssid, freq=2437, force_scan=True)
  74     dev[2].scan_for_bss(bssid, freq=2437, force_scan=True)
  75     track = hapd.request("TRACK_STA_LIST")
  76     if len(track.splitlines()) != 2:
  77         raise Exception("Unexpected number of entries: %d" % len(track.splitlines()))
  78     if addr1 not in track or addr2 not in track:
  79         raise Exception("Station missing from 2.4 GHz tracking (max limit)")
  80
  81 def test_ap_track_sta_no_probe_resp(dev, apdev):
  82     """Dualband AP not replying to probes from dualband STA on 2.4 GHz"""
  83     try:
  84         _test_ap_track_sta_no_probe_resp(dev, apdev)
  85     finally:
  86         subprocess.call(['iw', 'reg', 'set', '00'])
  87
  88 def _test_ap_track_sta_no_probe_resp(dev, apdev):
  89     dev[0].flush_scan_cache()
  90
  91     params = { "ssid": "track",
  92                "country_code": "US",
  93                "hw_mode": "g",
  94                "channel": "6",
  95                "beacon_int": "10000",
  96                "no_probe_resp_if_seen_on": apdev[1]['ifname'] }
  97     hapd = hostapd.add_ap(apdev[0], params)
  98     bssid = apdev[0]['bssid']
  99
 100     params = { "ssid": "track",
 101                "country_code": "US",
 102                "hw_mode": "a",
 103                "channel": "40",
 104                "track_sta_max_num": "100" }
 105     hapd2 = hostapd.add_ap(apdev[1], params)
 106     bssid2 = apdev[1]['bssid']
 107
 108     dev[0].scan_for_bss(bssid2, freq=5200, force_scan=True)
 109     dev[1].scan_for_bss(bssid, freq=2437, force_scan=True)
 110     dev[0].scan(freq=2437, type="ONLY")
 111     dev[0].scan(freq=2437, type="ONLY")
 112
 113     if dev[0].get_bss(bssid):
 114         raise Exception("2.4 GHz AP found unexpectedly")
 115
 116 def test_ap_track_sta_no_auth(dev, apdev):
 117     """Dualband AP rejecting authentication from dualband STA on 2.4 GHz"""
 118     try:
 119         _test_ap_track_sta_no_auth(dev, apdev)
 120     finally:
 121         subprocess.call(['iw', 'reg', 'set', '00'])
 122
 123 def _test_ap_track_sta_no_auth(dev, apdev):
 124     params = { "ssid": "track",
 125                "country_code": "US",
 126                "hw_mode": "g",
 127                "channel": "6",
 128                "track_sta_max_num": "100",
 129                "no_auth_if_seen_on": apdev[1]['ifname'] }
 130     hapd = hostapd.add_ap(apdev[0], params)
 131     bssid = apdev[0]['bssid']
 132
 133     params = { "ssid": "track",
 134                "country_code": "US",
 135                "hw_mode": "a",
 136                "channel": "40",
 137                "track_sta_max_num": "100" }
 138     hapd2 = hostapd.add_ap(apdev[1], params)
 139     bssid2 = apdev[1]['bssid']
 140
 141     dev[0].scan_for_bss(bssid, freq=2437, force_scan=True)
 142     dev[0].scan_for_bss(bssid2, freq=5200, force_scan=True)
 143     dev[1].scan_for_bss(bssid, freq=2437, force_scan=True)
 144
 145     dev[1].connect("track", key_mgmt="NONE", scan_freq="2437")
 146
 147     dev[0].connect("track", key_mgmt="NONE", scan_freq="2437",
 148                    freq_list="2437", wait_connect=False)
 149     dev[1].request("DISCONNECT")
 150     ev = dev[0].wait_event([ "CTRL-EVENT-CONNECTED",
 151                              "CTRL-EVENT-AUTH-REJECT" ], timeout=10)
 152     if ev is None:
 153         raise Exception("Unknown connection result")
 154     if "CTRL-EVENT-CONNECTED" in ev:
 155         raise Exception("Unexpected connection")
 156     if "status_code=82" not in ev:
 157         raise Exception("Unexpected rejection reason: " + ev)
 158     if "ie=34" not in ev:
 159         raise Exception("No Neighbor Report element: " + ev)
 160     dev[0].request("DISCONNECT")
 161
 162 def test_ap_track_sta_no_auth_passive(dev, apdev):
 163     """AP rejecting authentication from dualband STA on 2.4 GHz (passive)"""
 164     try:
 165         _test_ap_track_sta_no_auth_passive(dev, apdev)
 166     finally:
 167         subprocess.call(['iw', 'reg', 'set', '00'])
 168
 169 def _test_ap_track_sta_no_auth_passive(dev, apdev):
 170     dev[0].flush_scan_cache()
 171
 172     params = { "ssid": "track",
 173                "country_code": "US",
 174                "hw_mode": "g",
 175                "channel": "6",
 176                "no_auth_if_seen_on": apdev[1]['ifname'] }
 177     hapd = hostapd.add_ap(apdev[0], params)
 178     bssid = apdev[0]['bssid']
 179
 180     params = { "ssid": "track",
 181                "country_code": "US",
 182                "hw_mode": "a",
 183                "channel": "40",
 184                "interworking": "1",
 185                "venue_name": "eng:Venue",
 186                "track_sta_max_num": "100" }
 187     hapd2 = hostapd.add_ap(apdev[1], params)
 188     bssid2 = apdev[1]['bssid']
 189
 190     dev[0].scan_for_bss(bssid, freq=2437, force_scan=True)
 191     for i in range(10):
 192         dev[0].request("SCAN freq=5200 passive=1")
 193         ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=5)
 194         if ev is None:
 195             raise Exception("Scan did not complete")
 196         if dev[0].get_bss(bssid2):
 197             break
 198         if i == 9:
 199             raise Exception("AP not found with passive scans")
 200
 201     if "OK" not in dev[0].request("ANQP_GET " + bssid2 + " 258"):
 202         raise Exception("ANQP_GET command failed")
 203     ev = dev[0].wait_event(["RX-ANQP"], timeout=1)
 204     if ev is None or "Venue Name" not in ev:
 205         raise Exception("Did not receive Venue Name")
 206
 207     dev[0].connect("track", key_mgmt="NONE", scan_freq="2437",
 208                    freq_list="2437", wait_connect=False)
 209     ev = dev[0].wait_event([ "CTRL-EVENT-CONNECTED",
 210                              "CTRL-EVENT-AUTH-REJECT" ], timeout=10)
 211     if ev is None:
 212         raise Exception("Unknown connection result")
 213     if "CTRL-EVENT-CONNECTED" in ev:
 214         raise Exception("Unexpected connection")
 215     if "status_code=82" not in ev:
 216         raise Exception("Unexpected rejection reason: " + ev)
 217     dev[0].request("DISCONNECT")
 218
 219 def test_ap_track_sta_force_5ghz(dev, apdev):
 220     """Dualband AP forcing dualband STA to connect on 5 GHz"""
 221     try:
 222         _test_ap_track_sta_force_5ghz(dev, apdev)
 223     finally:
 224         subprocess.call(['iw', 'reg', 'set', '00'])
 225
 226 def _test_ap_track_sta_force_5ghz(dev, apdev):
 227     params = { "ssid": "track",
 228                "country_code": "US",
 229                "hw_mode": "g",
 230                "channel": "6",
 231                "no_probe_resp_if_seen_on": apdev[1]['ifname'],
 232                "no_auth_if_seen_on": apdev[1]['ifname'] }
 233     hapd = hostapd.add_ap(apdev[0], params)
 234     bssid = apdev[0]['bssid']
 235
 236     params = { "ssid": "track",
 237                "country_code": "US",
 238                "hw_mode": "a",
 239                "channel": "40",
 240                "track_sta_max_num": "100" }
 241     hapd2 = hostapd.add_ap(apdev[1], params)
 242     bssid2 = apdev[1]['bssid']
 243
 244     dev[0].scan_for_bss(bssid, freq=2437, force_scan=True)
 245     dev[0].scan_for_bss(bssid2, freq=5200, force_scan=True)
 246
 247     dev[0].connect("track", key_mgmt="NONE", scan_freq="2437 5200")
 248     freq = dev[0].get_status_field('freq')
 249     if freq != '5200':
 250         raise Exception("Unexpected operating channel")
 251     dev[0].request("DISCONNECT")
 252
 253 def test_ap_track_sta_force_2ghz(dev, apdev):
 254     """Dualband AP forcing dualband STA to connect on 2.4 GHz"""
 255     try:
 256         _test_ap_track_sta_force_2ghz(dev, apdev)
 257     finally:
 258         subprocess.call(['iw', 'reg', 'set', '00'])
 259
 260 def _test_ap_track_sta_force_2ghz(dev, apdev):
 261     params = { "ssid": "track",
 262                "country_code": "US",
 263                "hw_mode": "g",
 264                "channel": "6",
 265                "track_sta_max_num": "100" }
 266     hapd = hostapd.add_ap(apdev[0], params)
 267     bssid = apdev[0]['bssid']
 268
 269     params = { "ssid": "track",
 270                "country_code": "US",
 271                "hw_mode": "a",
 272                "channel": "40",
 273                "no_probe_resp_if_seen_on": apdev[0]['ifname'],
 274                "no_auth_if_seen_on": apdev[0]['ifname'] }
 275     hapd2 = hostapd.add_ap(apdev[1], params)
 276     bssid2 = apdev[1]['bssid']
 277
 278     dev[0].scan_for_bss(bssid2, freq=5200, force_scan=True)
 279     dev[0].scan_for_bss(bssid, freq=2437, force_scan=True)
 280
 281     dev[0].connect("track", key_mgmt="NONE", scan_freq="2437 5200")
 282     freq = dev[0].get_status_field('freq')
 283     if freq != '2437':
 284         raise Exception("Unexpected operating channel")
 285     dev[0].request("DISCONNECT")