tests/hwsim/test_gas.py

   1 # GAS tests
   2 # Copyright (c) 2013, Qualcomm Atheros, Inc.
   3 # Copyright (c) 2013-2015, Jouni Malinen <j@w1.fi>
   4 #
   5 # This software may be distributed under the terms of the BSD license.
   6 # See README for more details.
   7
   8 from remotehost import remote_compatible
   9 import time
  10 import binascii
  11 import logging
  12 logger = logging.getLogger()
  13 import os
  14 import re
  15 import struct
  16
  17 import hostapd
  18 from wpasupplicant import WpaSupplicant
  19 from tshark import run_tshark
  20 from utils import alloc_fail, wait_fail_trigger, skip_with_fips
  21 from hwsim import HWSimRadio
  22
  23 def hs20_ap_params():
  24     params = hostapd.wpa2_params(ssid="test-gas")
  25     params['wpa_key_mgmt'] = "WPA-EAP"
  26     params['ieee80211w'] = "1"
  27     params['ieee8021x'] = "1"
  28     params['auth_server_addr'] = "127.0.0.1"
  29     params['auth_server_port'] = "1812"
  30     params['auth_server_shared_secret'] = "radius"
  31     params['interworking'] = "1"
  32     params['access_network_type'] = "14"
  33     params['internet'] = "1"
  34     params['asra'] = "0"
  35     params['esr'] = "0"
  36     params['uesa'] = "0"
  37     params['venue_group'] = "7"
  38     params['venue_type'] = "1"
  39     params['venue_name'] = [ "eng:Example venue", "fin:Esimerkkipaikka" ]
  40     params['roaming_consortium'] = [ "112233", "1020304050", "010203040506",
  41                                      "fedcba" ]
  42     params['domain_name'] = "example.com,another.example.com"
  43     params['nai_realm'] = [ "0,example.com,13[5:6],21[2:4][5:7]",
  44                             "0,another.example.com" ]
  45     params['anqp_3gpp_cell_net'] = "244,91"
  46     params['network_auth_type'] = "02http://www.example.com/redirect/me/here/"
  47     params['ipaddr_type_availability'] = "14"
  48     params['hs20'] = "1"
  49     params['hs20_oper_friendly_name'] = [ "eng:Example operator", "fin:Esimerkkioperaattori" ]
  50     params['hs20_wan_metrics'] = "01:8000:1000:80:240:3000"
  51     params['hs20_conn_capab'] = [ "1:0:2", "6:22:1", "17:5060:0" ]
  52     params['hs20_operating_class'] = "5173"
  53     return params
  54
  55 def start_ap(ap):
  56     params = hs20_ap_params()
  57     params['hessid'] = ap['bssid']
  58     return hostapd.add_ap(ap, params)
  59
  60 def get_gas_response(dev, bssid, info, allow_fetch_failure=False,
  61                      extra_test=False):
  62     exp = r'<.>(GAS-RESPONSE-INFO) addr=([0-9a-f:]*) dialog_token=([0-9]*) status_code=([0-9]*) resp_len=([\-0-9]*)'
  63     res = re.split(exp, info)
  64     if len(res) < 6:
  65         raise Exception("Could not parse GAS-RESPONSE-INFO")
  66     if res[2] != bssid:
  67         raise Exception("Unexpected BSSID in response")
  68     token = res[3]
  69     status = res[4]
  70     if status != "0":
  71         raise Exception("GAS query failed")
  72     resp_len = res[5]
  73     if resp_len == "-1":
  74         raise Exception("GAS query reported invalid response length")
  75     if int(resp_len) > 2000:
  76         raise Exception("Unexpected long GAS response")
  77
  78     if extra_test:
  79         if "FAIL" not in dev.request("GAS_RESPONSE_GET " + bssid + " 123456"):
  80             raise Exception("Invalid dialog token accepted")
  81         if "FAIL-Invalid range" not in dev.request("GAS_RESPONSE_GET " + bssid + " " + token + " 10000,10001"):
  82             raise Exception("Invalid range accepted")
  83         if "FAIL-Invalid range" not in dev.request("GAS_RESPONSE_GET " + bssid + " " + token + " 0,10000"):
  84             raise Exception("Invalid range accepted")
  85         if "FAIL" not in dev.request("GAS_RESPONSE_GET " + bssid + " " + token + " 0"):
  86             raise Exception("Invalid GAS_RESPONSE_GET accepted")
  87
  88         res1_2 = dev.request("GAS_RESPONSE_GET " + bssid + " " + token + " 1,2")
  89         res5_3 = dev.request("GAS_RESPONSE_GET " + bssid + " " + token + " 5,3")
  90
  91     resp = dev.request("GAS_RESPONSE_GET " + bssid + " " + token)
  92     if "FAIL" in resp:
  93         if allow_fetch_failure:
  94             logger.debug("GAS response was not available anymore")
  95             return
  96         raise Exception("Could not fetch GAS response")
  97     if len(resp) != int(resp_len) * 2:
  98         raise Exception("Unexpected GAS response length")
  99     logger.debug("GAS response: " + resp)
 100     if extra_test:
 101         if resp[2:6] != res1_2:
 102             raise Exception("Unexpected response substring res1_2: " + res1_2)
 103         if resp[10:16] != res5_3:
 104             raise Exception("Unexpected response substring res5_3: " + res5_3)
 105
 106 def test_gas_generic(dev, apdev):
 107     """Generic GAS query"""
 108     bssid = apdev[0]['bssid']
 109     params = hs20_ap_params()
 110     params['hessid'] = bssid
 111     hostapd.add_ap(apdev[0], params)
 112
 113     cmds = [ "foo",
 114              "00:11:22:33:44:55",
 115              "00:11:22:33:44:55 ",
 116              "00:11:22:33:44:55  ",
 117              "00:11:22:33:44:55 1",
 118              "00:11:22:33:44:55 1 1234",
 119              "00:11:22:33:44:55 qq",
 120              "00:11:22:33:44:55 qq 1234",
 121              "00:11:22:33:44:55 00      1",
 122              "00:11:22:33:44:55 00 123",
 123              "00:11:22:33:44:55 00 ",
 124              "00:11:22:33:44:55 00 qq" ]
 125     for cmd in cmds:
 126         if "FAIL" not in dev[0].request("GAS_REQUEST " + cmd):
 127             raise Exception("Invalid GAS_REQUEST accepted: " + cmd)
 128
 129     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 130     req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000101")
 131     if "FAIL" in req:
 132         raise Exception("GAS query request rejected")
 133     ev = dev[0].wait_event(["GAS-RESPONSE-INFO"], timeout=10)
 134     if ev is None:
 135         raise Exception("GAS query timed out")
 136     get_gas_response(dev[0], bssid, ev, extra_test=True)
 137
 138     if "FAIL" not in dev[0].request("GAS_RESPONSE_GET ff"):
 139         raise Exception("Invalid GAS_RESPONSE_GET accepted")
 140
 141 def test_gas_concurrent_scan(dev, apdev):
 142     """Generic GAS queries with concurrent scan operation"""
 143     bssid = apdev[0]['bssid']
 144     params = hs20_ap_params()
 145     params['hessid'] = bssid
 146     hostapd.add_ap(apdev[0], params)
 147
 148     # get BSS entry available to allow GAS query
 149     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 150
 151     logger.info("Request concurrent operations")
 152     req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000101")
 153     if "FAIL" in req:
 154         raise Exception("GAS query request rejected")
 155     req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000801")
 156     if "FAIL" in req:
 157         raise Exception("GAS query request rejected")
 158     dev[0].scan(no_wait=True)
 159     req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000201")
 160     if "FAIL" in req:
 161         raise Exception("GAS query request rejected")
 162     req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000501")
 163     if "FAIL" in req:
 164         raise Exception("GAS query request rejected")
 165
 166     responses = 0
 167     for i in range(0, 5):
 168         ev = dev[0].wait_event(["GAS-RESPONSE-INFO", "CTRL-EVENT-SCAN-RESULTS"],
 169                                timeout=10)
 170         if ev is None:
 171             raise Exception("Operation timed out")
 172         if "GAS-RESPONSE-INFO" in ev:
 173             responses = responses + 1
 174             get_gas_response(dev[0], bssid, ev, allow_fetch_failure=True)
 175
 176     if responses != 4:
 177         raise Exception("Unexpected number of GAS responses")
 178
 179 def test_gas_concurrent_connect(dev, apdev):
 180     """Generic GAS queries with concurrent connection operation"""
 181     skip_with_fips(dev[0])
 182     bssid = apdev[0]['bssid']
 183     params = hs20_ap_params()
 184     params['hessid'] = bssid
 185     hostapd.add_ap(apdev[0], params)
 186
 187     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 188
 189     logger.debug("Start concurrent connect and GAS request")
 190     dev[0].connect("test-gas", key_mgmt="WPA-EAP", eap="TTLS",
 191                    identity="DOMAIN\mschapv2 user", anonymous_identity="ttls",
 192                    password="password", phase2="auth=MSCHAPV2",
 193                    ca_cert="auth_serv/ca.pem", wait_connect=False,
 194                    scan_freq="2412")
 195     req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000101")
 196     if "FAIL" in req:
 197         raise Exception("GAS query request rejected")
 198
 199     ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED", "GAS-RESPONSE-INFO"],
 200                            timeout=20)
 201     if ev is None:
 202         raise Exception("Operation timed out")
 203     if "CTRL-EVENT-CONNECTED" not in ev:
 204         raise Exception("Unexpected operation order")
 205
 206     ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED", "GAS-RESPONSE-INFO"],
 207                            timeout=20)
 208     if ev is None:
 209         raise Exception("Operation timed out")
 210     if "GAS-RESPONSE-INFO" not in ev:
 211         raise Exception("Unexpected operation order")
 212     get_gas_response(dev[0], bssid, ev)
 213
 214     dev[0].request("DISCONNECT")
 215     dev[0].wait_disconnected(timeout=5)
 216
 217     logger.debug("Wait six seconds for expiration of connect-without-scan")
 218     time.sleep(6)
 219     dev[0].dump_monitor()
 220
 221     logger.debug("Start concurrent GAS request and connect")
 222     req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000101")
 223     if "FAIL" in req:
 224         raise Exception("GAS query request rejected")
 225     dev[0].request("RECONNECT")
 226
 227     ev = dev[0].wait_event(["GAS-RESPONSE-INFO"], timeout=10)
 228     if ev is None:
 229         raise Exception("Operation timed out")
 230     get_gas_response(dev[0], bssid, ev)
 231
 232     ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=20)
 233     if ev is None:
 234         raise Exception("No new scan results reported")
 235
 236     ev = dev[0].wait_connected(timeout=20, error="Operation tiemd out")
 237     if "CTRL-EVENT-CONNECTED" not in ev:
 238         raise Exception("Unexpected operation order")
 239
 240 def gas_fragment_and_comeback(dev, apdev, frag_limit=0, comeback_delay=0):
 241     hapd = start_ap(apdev)
 242     if frag_limit:
 243         hapd.set("gas_frag_limit", str(frag_limit))
 244     if comeback_delay:
 245         hapd.set("gas_comeback_delay", str(comeback_delay))
 246
 247     dev.scan_for_bss(apdev['bssid'], freq="2412", force_scan=True)
 248     dev.request("FETCH_ANQP")
 249     ev = dev.wait_event(["GAS-QUERY-DONE"], timeout=5)
 250     if ev is None:
 251         raise Exception("No GAS-QUERY-DONE event")
 252     if "result=SUCCESS" not in ev:
 253         raise Exception("Unexpected GAS result: " + ev)
 254     for i in range(0, 13):
 255         ev = dev.wait_event(["RX-ANQP", "RX-HS20-ANQP"], timeout=5)
 256         if ev is None:
 257             raise Exception("Operation timed out")
 258     ev = dev.wait_event(["ANQP-QUERY-DONE"], timeout=1)
 259     if ev is None:
 260         raise Exception("No ANQP-QUERY-DONE event")
 261     if "result=SUCCESS" not in ev:
 262         raise Exception("Unexpected ANQP result: " + ev)
 263
 264 def test_gas_fragment(dev, apdev):
 265     """GAS fragmentation"""
 266     gas_fragment_and_comeback(dev[0], apdev[0], frag_limit=50)
 267
 268 def test_gas_fragment_mcc(dev, apdev):
 269     """GAS fragmentation with mac80211_hwsim MCC enabled"""
 270     with HWSimRadio(n_channels=2) as (radio, iface):
 271         wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
 272         wpas.interface_add(iface)
 273         gas_fragment_and_comeback(wpas, apdev[0], frag_limit=50)
 274
 275 def test_gas_fragment_with_comeback_delay(dev, apdev):
 276     """GAS fragmentation and comeback delay"""
 277     gas_fragment_and_comeback(dev[0], apdev[0], frag_limit=50,
 278                               comeback_delay=500)
 279
 280 def test_gas_fragment_with_comeback_delay_mcc(dev, apdev):
 281     """GAS fragmentation and comeback delay with mac80211_hwsim MCC enabled"""
 282     with HWSimRadio(n_channels=2) as (radio, iface):
 283         wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
 284         wpas.interface_add(iface)
 285         gas_fragment_and_comeback(wpas, apdev[0], frag_limit=50,
 286                                   comeback_delay=500)
 287
 288 def test_gas_comeback_delay(dev, apdev):
 289     """GAS comeback delay"""
 290     hapd = start_ap(apdev[0])
 291     hapd.set("gas_comeback_delay", "500")
 292
 293     dev[0].scan_for_bss(apdev[0]['bssid'], freq="2412", force_scan=True)
 294     dev[0].request("FETCH_ANQP")
 295     if "FAIL-BUSY" not in dev[0].request("SCAN"):
 296         raise Exception("SCAN accepted during FETCH_ANQP")
 297     for i in range(0, 6):
 298         ev = dev[0].wait_event(["RX-ANQP"], timeout=5)
 299         if ev is None:
 300             raise Exception("Operation timed out")
 301
 302 @remote_compatible
 303 def test_gas_stop_fetch_anqp(dev, apdev):
 304     """Stop FETCH_ANQP operation"""
 305     hapd = start_ap(apdev[0])
 306
 307     dev[0].scan_for_bss(apdev[0]['bssid'], freq="2412", force_scan=True)
 308     hapd.set("ext_mgmt_frame_handling", "1")
 309     dev[0].request("FETCH_ANQP")
 310     dev[0].request("STOP_FETCH_ANQP")
 311     hapd.set("ext_mgmt_frame_handling", "0")
 312     ev = dev[0].wait_event(["RX-ANQP", "GAS-QUERY-DONE"], timeout=10)
 313     if ev is None:
 314         raise Exception("GAS-QUERY-DONE timed out")
 315     if "RX-ANQP" in ev:
 316         raise Exception("Unexpected ANQP response received")
 317
 318 def test_gas_anqp_get(dev, apdev):
 319     """GAS/ANQP query for both IEEE 802.11 and Hotspot 2.0 elements"""
 320     hapd = start_ap(apdev[0])
 321     bssid = apdev[0]['bssid']
 322
 323     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 324     if "OK" not in dev[0].request("ANQP_GET " + bssid + " 258,268,hs20:3,hs20:4"):
 325         raise Exception("ANQP_GET command failed")
 326
 327     ev = dev[0].wait_event(["GAS-QUERY-START"], timeout=5)
 328     if ev is None:
 329         raise Exception("GAS query start timed out")
 330
 331     ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=10)
 332     if ev is None:
 333         raise Exception("GAS query timed out")
 334
 335     ev = dev[0].wait_event(["RX-ANQP"], timeout=1)
 336     if ev is None or "Venue Name" not in ev:
 337         raise Exception("Did not receive Venue Name")
 338
 339     ev = dev[0].wait_event(["RX-ANQP"], timeout=1)
 340     if ev is None or "Domain Name list" not in ev:
 341         raise Exception("Did not receive Domain Name list")
 342
 343     ev = dev[0].wait_event(["RX-HS20-ANQP"], timeout=1)
 344     if ev is None or "Operator Friendly Name" not in ev:
 345         raise Exception("Did not receive Operator Friendly Name")
 346
 347     ev = dev[0].wait_event(["RX-HS20-ANQP"], timeout=1)
 348     if ev is None or "WAN Metrics" not in ev:
 349         raise Exception("Did not receive WAN Metrics")
 350
 351     ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=10)
 352     if ev is None:
 353         raise Exception("ANQP-QUERY-DONE event not seen")
 354     if "result=SUCCESS" not in ev:
 355         raise Exception("Unexpected result: " + ev)
 356
 357     if "OK" not in dev[0].request("HS20_ANQP_GET " + bssid + " 3,4"):
 358         raise Exception("ANQP_GET command failed")
 359
 360     ev = dev[0].wait_event(["RX-HS20-ANQP"], timeout=1)
 361     if ev is None or "Operator Friendly Name" not in ev:
 362         raise Exception("Did not receive Operator Friendly Name")
 363
 364     ev = dev[0].wait_event(["RX-HS20-ANQP"], timeout=1)
 365     if ev is None or "WAN Metrics" not in ev:
 366         raise Exception("Did not receive WAN Metrics")
 367
 368     cmds = [ "",
 369              "foo",
 370              "00:11:22:33:44:55 258,hs20:-1",
 371              "00:11:22:33:44:55 258,hs20:0",
 372              "00:11:22:33:44:55 258,hs20:32",
 373              "00:11:22:33:44:55 hs20:-1",
 374              "00:11:22:33:44:55 hs20:0",
 375              "00:11:22:33:44:55 hs20:32",
 376              "00:11:22:33:44:55",
 377              "00:11:22:33:44:55 ",
 378              "00:11:22:33:44:55 0" ]
 379     for cmd in cmds:
 380         if "FAIL" not in dev[0].request("ANQP_GET " + cmd):
 381             raise Exception("Invalid ANQP_GET accepted")
 382
 383     cmds = [ "",
 384              "foo",
 385              "00:11:22:33:44:55 -1",
 386              "00:11:22:33:44:55 0",
 387              "00:11:22:33:44:55 32",
 388              "00:11:22:33:44:55",
 389              "00:11:22:33:44:55 ",
 390              "00:11:22:33:44:55 0" ]
 391     for cmd in cmds:
 392         if "FAIL" not in dev[0].request("HS20_ANQP_GET " + cmd):
 393             raise Exception("Invalid HS20_ANQP_GET accepted")
 394
 395 def expect_gas_result(dev, result, status=None):
 396     ev = dev.wait_event(["GAS-QUERY-DONE"], timeout=10)
 397     if ev is None:
 398         raise Exception("GAS query timed out")
 399     if "result=" + result not in ev:
 400         raise Exception("Unexpected GAS query result")
 401     if status and "status_code=" + str(status) + ' ' not in ev:
 402         raise Exception("Unexpected GAS status code")
 403
 404 def anqp_get(dev, bssid, id):
 405     if "OK" not in dev.request("ANQP_GET " + bssid + " " + str(id)):
 406         raise Exception("ANQP_GET command failed")
 407     ev = dev.wait_event(["GAS-QUERY-START"], timeout=5)
 408     if ev is None:
 409         raise Exception("GAS query start timed out")
 410
 411 def test_gas_timeout(dev, apdev):
 412     """GAS timeout"""
 413     hapd = start_ap(apdev[0])
 414     bssid = apdev[0]['bssid']
 415
 416     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 417     hapd.set("ext_mgmt_frame_handling", "1")
 418
 419     anqp_get(dev[0], bssid, 263)
 420
 421     ev = hapd.wait_event(["MGMT-RX"], timeout=5)
 422     if ev is None:
 423         raise Exception("MGMT RX wait timed out")
 424
 425     expect_gas_result(dev[0], "TIMEOUT")
 426
 427 MGMT_SUBTYPE_ACTION = 13
 428 ACTION_CATEG_PUBLIC = 4
 429
 430 GAS_INITIAL_REQUEST = 10
 431 GAS_INITIAL_RESPONSE = 11
 432 GAS_COMEBACK_REQUEST = 12
 433 GAS_COMEBACK_RESPONSE = 13
 434 GAS_ACTIONS = [ GAS_INITIAL_REQUEST, GAS_INITIAL_RESPONSE,
 435                 GAS_COMEBACK_REQUEST, GAS_COMEBACK_RESPONSE ]
 436
 437 def anqp_adv_proto():
 438     return struct.pack('BBBB', 108, 2, 127, 0)
 439
 440 def anqp_initial_resp(dialog_token, status_code, comeback_delay=0):
 441     return struct.pack('<BBBHH', ACTION_CATEG_PUBLIC, GAS_INITIAL_RESPONSE,
 442                        dialog_token, status_code, comeback_delay) + anqp_adv_proto()
 443
 444 def anqp_comeback_resp(dialog_token, status_code=0, id=0, more=False, comeback_delay=0, bogus_adv_proto=False):
 445     if more:
 446         id |= 0x80
 447     if bogus_adv_proto:
 448         adv = struct.pack('BBBB', 108, 2, 127, 1)
 449     else:
 450         adv = anqp_adv_proto()
 451     return struct.pack('<BBBHBH', ACTION_CATEG_PUBLIC, GAS_COMEBACK_RESPONSE,
 452                        dialog_token, status_code, id, comeback_delay) + adv
 453
 454 def gas_rx(hapd):
 455     count = 0
 456     while count < 30:
 457         count = count + 1
 458         query = hapd.mgmt_rx()
 459         if query is None:
 460             raise Exception("Action frame not received")
 461         if query['subtype'] != MGMT_SUBTYPE_ACTION:
 462             continue
 463         payload = query['payload']
 464         if len(payload) < 2:
 465             continue
 466         (category, action) = struct.unpack('BB', payload[0:2])
 467         if category != ACTION_CATEG_PUBLIC or action not in GAS_ACTIONS:
 468             continue
 469         return query
 470     raise Exception("No Action frame received")
 471
 472 def parse_gas(payload):
 473     pos = payload
 474     (category, action, dialog_token) = struct.unpack('BBB', pos[0:3])
 475     if category != ACTION_CATEG_PUBLIC:
 476         return None
 477     if action not in GAS_ACTIONS:
 478         return None
 479     gas = {}
 480     gas['action'] = action
 481     pos = pos[3:]
 482
 483     if len(pos) < 1 and action != GAS_COMEBACK_REQUEST:
 484         return None
 485
 486     gas['dialog_token'] = dialog_token
 487
 488     if action == GAS_INITIAL_RESPONSE:
 489         if len(pos) < 4:
 490             return None
 491         (status_code, comeback_delay) = struct.unpack('<HH', pos[0:4])
 492         gas['status_code'] = status_code
 493         gas['comeback_delay'] = comeback_delay
 494
 495     if action == GAS_COMEBACK_RESPONSE:
 496         if len(pos) < 5:
 497             return None
 498         (status_code, frag, comeback_delay) = struct.unpack('<HBH', pos[0:5])
 499         gas['status_code'] = status_code
 500         gas['frag'] = frag
 501         gas['comeback_delay'] = comeback_delay
 502
 503     return gas
 504
 505 def action_response(req):
 506     resp = {}
 507     resp['fc'] = req['fc']
 508     resp['da'] = req['sa']
 509     resp['sa'] = req['da']
 510     resp['bssid'] = req['bssid']
 511     return resp
 512
 513 def send_gas_resp(hapd, resp):
 514     hapd.mgmt_tx(resp)
 515     ev = hapd.wait_event(["MGMT-TX-STATUS"], timeout=5)
 516     if ev is None:
 517         raise Exception("Missing TX status for GAS response")
 518     if "ok=1" not in ev:
 519         raise Exception("GAS response not acknowledged")
 520
 521 def test_gas_invalid_response_type(dev, apdev):
 522     """GAS invalid response type"""
 523     hapd = start_ap(apdev[0])
 524     bssid = apdev[0]['bssid']
 525
 526     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 527     hapd.set("ext_mgmt_frame_handling", "1")
 528
 529     anqp_get(dev[0], bssid, 263)
 530
 531     query = gas_rx(hapd)
 532     gas = parse_gas(query['payload'])
 533
 534     resp = action_response(query)
 535     # GAS Comeback Response instead of GAS Initial Response
 536     resp['payload'] = anqp_comeback_resp(gas['dialog_token']) + struct.pack('<H', 0)
 537     send_gas_resp(hapd, resp)
 538
 539     # station drops the invalid frame, so this needs to result in GAS timeout
 540     expect_gas_result(dev[0], "TIMEOUT")
 541
 542 def test_gas_failure_status_code(dev, apdev):
 543     """GAS failure status code"""
 544     hapd = start_ap(apdev[0])
 545     bssid = apdev[0]['bssid']
 546
 547     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 548     hapd.set("ext_mgmt_frame_handling", "1")
 549
 550     anqp_get(dev[0], bssid, 263)
 551
 552     query = gas_rx(hapd)
 553     gas = parse_gas(query['payload'])
 554
 555     resp = action_response(query)
 556     resp['payload'] = anqp_initial_resp(gas['dialog_token'], 61) + struct.pack('<H', 0)
 557     send_gas_resp(hapd, resp)
 558
 559     expect_gas_result(dev[0], "FAILURE")
 560
 561 def test_gas_malformed(dev, apdev):
 562     """GAS malformed response frames"""
 563     hapd = start_ap(apdev[0])
 564     bssid = apdev[0]['bssid']
 565
 566     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 567     hapd.set("ext_mgmt_frame_handling", "1")
 568
 569     anqp_get(dev[0], bssid, 263)
 570
 571     query = gas_rx(hapd)
 572     gas = parse_gas(query['payload'])
 573
 574     resp = action_response(query)
 575
 576     resp['payload'] = struct.pack('<BBBH', ACTION_CATEG_PUBLIC,
 577                                   GAS_COMEBACK_RESPONSE,
 578                                   gas['dialog_token'], 0)
 579     hapd.mgmt_tx(resp)
 580
 581     resp['payload'] = struct.pack('<BBBHB', ACTION_CATEG_PUBLIC,
 582                                   GAS_COMEBACK_RESPONSE,
 583                                   gas['dialog_token'], 0, 0)
 584     hapd.mgmt_tx(resp)
 585
 586     hdr = struct.pack('<BBBHH', ACTION_CATEG_PUBLIC, GAS_INITIAL_RESPONSE,
 587                       gas['dialog_token'], 0, 0)
 588     resp['payload'] = hdr + struct.pack('B', 108)
 589     hapd.mgmt_tx(resp)
 590     resp['payload'] = hdr + struct.pack('BB', 108, 0)
 591     hapd.mgmt_tx(resp)
 592     resp['payload'] = hdr + struct.pack('BB', 108, 1)
 593     hapd.mgmt_tx(resp)
 594     resp['payload'] = hdr + struct.pack('BB', 108, 255)
 595     hapd.mgmt_tx(resp)
 596     resp['payload'] = hdr + struct.pack('BBB', 108, 1, 127)
 597     hapd.mgmt_tx(resp)
 598     resp['payload'] = hdr + struct.pack('BBB', 108, 2, 127)
 599     hapd.mgmt_tx(resp)
 600     resp['payload'] = hdr + struct.pack('BBBB', 0, 2, 127, 0)
 601     hapd.mgmt_tx(resp)
 602
 603     resp['payload'] = anqp_initial_resp(gas['dialog_token'], 0) + struct.pack('<H', 1)
 604     hapd.mgmt_tx(resp)
 605
 606     resp['payload'] = anqp_initial_resp(gas['dialog_token'], 0) + struct.pack('<HB', 2, 0)
 607     hapd.mgmt_tx(resp)
 608
 609     resp['payload'] = anqp_initial_resp(gas['dialog_token'], 0) + struct.pack('<H', 65535)
 610     hapd.mgmt_tx(resp)
 611
 612     resp['payload'] = anqp_initial_resp(gas['dialog_token'], 0) + struct.pack('<HBB', 1, 0, 0)
 613     hapd.mgmt_tx(resp)
 614
 615     # Station drops invalid frames, but the last of the responses is valid from
 616     # GAS view point even though it has an extra octet in the end and the ANQP
 617     # part of the response is not valid. This is reported as successfully
 618     # completed GAS exchange.
 619     expect_gas_result(dev[0], "SUCCESS")
 620
 621     ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=5)
 622     if ev is None:
 623         raise Exception("ANQP-QUERY-DONE not reported")
 624     if "result=INVALID_FRAME" not in ev:
 625         raise Exception("Unexpected result: " + ev)
 626
 627 def init_gas(hapd, bssid, dev):
 628     anqp_get(dev, bssid, 263)
 629     query = gas_rx(hapd)
 630     gas = parse_gas(query['payload'])
 631     dialog_token = gas['dialog_token']
 632
 633     resp = action_response(query)
 634     resp['payload'] = anqp_initial_resp(dialog_token, 0, comeback_delay=1) + struct.pack('<H', 0)
 635     send_gas_resp(hapd, resp)
 636
 637     query = gas_rx(hapd)
 638     gas = parse_gas(query['payload'])
 639     if gas['action'] != GAS_COMEBACK_REQUEST:
 640         raise Exception("Unexpected request action")
 641     if gas['dialog_token'] != dialog_token:
 642         raise Exception("Unexpected dialog token change")
 643     return query, dialog_token
 644
 645 def allow_gas_initial_req(hapd, dialog_token):
 646     msg = hapd.mgmt_rx(timeout=1)
 647     if msg is not None:
 648         gas = parse_gas(msg['payload'])
 649         if gas['action'] != GAS_INITIAL_REQUEST or dialog_token == gas['dialog_token']:
 650             raise Exception("Unexpected management frame")
 651
 652 def test_gas_malformed_comeback_resp(dev, apdev):
 653     """GAS malformed comeback response frames"""
 654     hapd = start_ap(apdev[0])
 655     bssid = apdev[0]['bssid']
 656
 657     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 658     hapd.set("ext_mgmt_frame_handling", "1")
 659
 660     logger.debug("Non-zero status code in comeback response")
 661     query, dialog_token = init_gas(hapd, bssid, dev[0])
 662     resp = action_response(query)
 663     resp['payload'] = anqp_comeback_resp(dialog_token, status_code=2) + struct.pack('<H', 0)
 664     send_gas_resp(hapd, resp)
 665     expect_gas_result(dev[0], "FAILURE", status=2)
 666
 667     logger.debug("Different advertisement protocol in comeback response")
 668     query, dialog_token = init_gas(hapd, bssid, dev[0])
 669     resp = action_response(query)
 670     resp['payload'] = anqp_comeback_resp(dialog_token, bogus_adv_proto=True) + struct.pack('<H', 0)
 671     send_gas_resp(hapd, resp)
 672     expect_gas_result(dev[0], "PEER_ERROR")
 673
 674     logger.debug("Non-zero frag id and comeback delay in comeback response")
 675     query, dialog_token = init_gas(hapd, bssid, dev[0])
 676     resp = action_response(query)
 677     resp['payload'] = anqp_comeback_resp(dialog_token, id=1, comeback_delay=1) + struct.pack('<H', 0)
 678     send_gas_resp(hapd, resp)
 679     expect_gas_result(dev[0], "PEER_ERROR")
 680
 681     logger.debug("Unexpected frag id in comeback response")
 682     query, dialog_token = init_gas(hapd, bssid, dev[0])
 683     resp = action_response(query)
 684     resp['payload'] = anqp_comeback_resp(dialog_token, id=1) + struct.pack('<H', 0)
 685     send_gas_resp(hapd, resp)
 686     expect_gas_result(dev[0], "PEER_ERROR")
 687
 688     logger.debug("Empty fragment and replay in comeback response")
 689     query, dialog_token = init_gas(hapd, bssid, dev[0])
 690     resp = action_response(query)
 691     resp['payload'] = anqp_comeback_resp(dialog_token, more=True) + struct.pack('<H', 0)
 692     send_gas_resp(hapd, resp)
 693     query = gas_rx(hapd)
 694     gas = parse_gas(query['payload'])
 695     if gas['action'] != GAS_COMEBACK_REQUEST:
 696         raise Exception("Unexpected request action")
 697     if gas['dialog_token'] != dialog_token:
 698         raise Exception("Unexpected dialog token change")
 699     resp = action_response(query)
 700     resp['payload'] = anqp_comeback_resp(dialog_token) + struct.pack('<H', 0)
 701     send_gas_resp(hapd, resp)
 702     resp['payload'] = anqp_comeback_resp(dialog_token, id=1) + struct.pack('<H', 0)
 703     send_gas_resp(hapd, resp)
 704     expect_gas_result(dev[0], "SUCCESS")
 705
 706     logger.debug("Unexpected initial response when waiting for comeback response")
 707     query, dialog_token = init_gas(hapd, bssid, dev[0])
 708     resp = action_response(query)
 709     resp['payload'] = anqp_initial_resp(dialog_token, 0) + struct.pack('<H', 0)
 710     send_gas_resp(hapd, resp)
 711     allow_gas_initial_req(hapd, dialog_token)
 712     expect_gas_result(dev[0], "TIMEOUT")
 713
 714     logger.debug("Too short comeback response")
 715     query, dialog_token = init_gas(hapd, bssid, dev[0])
 716     resp = action_response(query)
 717     resp['payload'] = struct.pack('<BBBH', ACTION_CATEG_PUBLIC,
 718                                   GAS_COMEBACK_RESPONSE, dialog_token, 0)
 719     send_gas_resp(hapd, resp)
 720     allow_gas_initial_req(hapd, dialog_token)
 721     expect_gas_result(dev[0], "TIMEOUT")
 722
 723     logger.debug("Too short comeback response(2)")
 724     query, dialog_token = init_gas(hapd, bssid, dev[0])
 725     resp = action_response(query)
 726     resp['payload'] = struct.pack('<BBBHBB', ACTION_CATEG_PUBLIC,
 727                                   GAS_COMEBACK_RESPONSE, dialog_token, 0, 0x80,
 728                                   0)
 729     send_gas_resp(hapd, resp)
 730     allow_gas_initial_req(hapd, dialog_token)
 731     expect_gas_result(dev[0], "TIMEOUT")
 732
 733     logger.debug("Maximum comeback response fragment claiming more fragments")
 734     query, dialog_token = init_gas(hapd, bssid, dev[0])
 735     resp = action_response(query)
 736     resp['payload'] = anqp_comeback_resp(dialog_token, more=True) + struct.pack('<H', 0)
 737     send_gas_resp(hapd, resp)
 738     for i in range(1, 129):
 739         query = gas_rx(hapd)
 740         gas = parse_gas(query['payload'])
 741         if gas['action'] != GAS_COMEBACK_REQUEST:
 742             raise Exception("Unexpected request action")
 743         if gas['dialog_token'] != dialog_token:
 744             raise Exception("Unexpected dialog token change")
 745         resp = action_response(query)
 746         resp['payload'] = anqp_comeback_resp(dialog_token, id=i, more=True) + struct.pack('<H', 0)
 747         send_gas_resp(hapd, resp)
 748     expect_gas_result(dev[0], "PEER_ERROR")
 749
 750 def test_gas_comeback_resp_additional_delay(dev, apdev):
 751     """GAS comeback response requesting additional delay"""
 752     hapd = start_ap(apdev[0])
 753     bssid = apdev[0]['bssid']
 754
 755     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 756     hapd.set("ext_mgmt_frame_handling", "1")
 757
 758     query, dialog_token = init_gas(hapd, bssid, dev[0])
 759     for i in range(0, 2):
 760         resp = action_response(query)
 761         resp['payload'] = anqp_comeback_resp(dialog_token, status_code=95, comeback_delay=50) + struct.pack('<H', 0)
 762         send_gas_resp(hapd, resp)
 763         query = gas_rx(hapd)
 764         gas = parse_gas(query['payload'])
 765         if gas['action'] != GAS_COMEBACK_REQUEST:
 766             raise Exception("Unexpected request action")
 767         if gas['dialog_token'] != dialog_token:
 768             raise Exception("Unexpected dialog token change")
 769     resp = action_response(query)
 770     resp['payload'] = anqp_comeback_resp(dialog_token, status_code=0) + struct.pack('<H', 0)
 771     send_gas_resp(hapd, resp)
 772     expect_gas_result(dev[0], "SUCCESS")
 773
 774 def test_gas_unknown_adv_proto(dev, apdev):
 775     """Unknown advertisement protocol id"""
 776     bssid = apdev[0]['bssid']
 777     params = hs20_ap_params()
 778     params['hessid'] = bssid
 779     hostapd.add_ap(apdev[0], params)
 780
 781     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 782     req = dev[0].request("GAS_REQUEST " + bssid + " 42 000102000101")
 783     if "FAIL" in req:
 784         raise Exception("GAS query request rejected")
 785     expect_gas_result(dev[0], "FAILURE", "59")
 786     ev = dev[0].wait_event(["GAS-RESPONSE-INFO"], timeout=10)
 787     if ev is None:
 788         raise Exception("GAS query timed out")
 789     exp = r'<.>(GAS-RESPONSE-INFO) addr=([0-9a-f:]*) dialog_token=([0-9]*) status_code=([0-9]*) resp_len=([\-0-9]*)'
 790     res = re.split(exp, ev)
 791     if len(res) < 6:
 792         raise Exception("Could not parse GAS-RESPONSE-INFO")
 793     if res[2] != bssid:
 794         raise Exception("Unexpected BSSID in response")
 795     status = res[4]
 796     if status != "59":
 797         raise Exception("Unexpected GAS-RESPONSE-INFO status")
 798
 799 def test_gas_max_pending(dev, apdev):
 800     """GAS and maximum pending query limit"""
 801     hapd = start_ap(apdev[0])
 802     hapd.set("gas_frag_limit", "50")
 803     bssid = apdev[0]['bssid']
 804
 805     wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
 806     wpas.interface_add("wlan5")
 807     if "OK" not in wpas.request("P2P_SET listen_channel 1"):
 808         raise Exception("Failed to set listen channel")
 809     if "OK" not in wpas.p2p_listen():
 810         raise Exception("Failed to start listen state")
 811     if "FAIL" in wpas.request("SET ext_mgmt_frame_handling 1"):
 812         raise Exception("Failed to enable external management frame handling")
 813
 814     anqp_query = struct.pack('<HHHHHHHHHH', 256, 16, 257, 258, 260, 261, 262, 263, 264, 268)
 815     gas = struct.pack('<H', len(anqp_query)) + anqp_query
 816
 817     for dialog_token in range(1, 10):
 818         msg = struct.pack('<BBB', ACTION_CATEG_PUBLIC, GAS_INITIAL_REQUEST,
 819                           dialog_token) + anqp_adv_proto() + gas
 820         req = "MGMT_TX {} {} freq=2412 wait_time=10 action={}".format(bssid, bssid, binascii.hexlify(msg))
 821         if "OK" not in wpas.request(req):
 822             raise Exception("Could not send management frame")
 823         resp = wpas.mgmt_rx()
 824         if resp is None:
 825             raise Exception("MGMT-RX timeout")
 826         if 'payload' not in resp:
 827             raise Exception("Missing payload")
 828         gresp = parse_gas(resp['payload'])
 829         if gresp['dialog_token'] != dialog_token:
 830             raise Exception("Dialog token mismatch")
 831         status_code = gresp['status_code']
 832         if dialog_token < 9 and status_code != 0:
 833             raise Exception("Unexpected failure status code {} for dialog token {}".format(status_code, dialog_token))
 834         if dialog_token > 8 and status_code == 0:
 835             raise Exception("Unexpected success status code {} for dialog token {}".format(status_code, dialog_token))
 836
 837 def test_gas_no_pending(dev, apdev):
 838     """GAS and no pending query for comeback request"""
 839     hapd = start_ap(apdev[0])
 840     bssid = apdev[0]['bssid']
 841
 842     wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
 843     wpas.interface_add("wlan5")
 844     if "OK" not in wpas.request("P2P_SET listen_channel 1"):
 845         raise Exception("Failed to set listen channel")
 846     if "OK" not in wpas.p2p_listen():
 847         raise Exception("Failed to start listen state")
 848     if "FAIL" in wpas.request("SET ext_mgmt_frame_handling 1"):
 849         raise Exception("Failed to enable external management frame handling")
 850
 851     msg = struct.pack('<BBB', ACTION_CATEG_PUBLIC, GAS_COMEBACK_REQUEST, 1)
 852     req = "MGMT_TX {} {} freq=2412 wait_time=10 action={}".format(bssid, bssid, binascii.hexlify(msg))
 853     if "OK" not in wpas.request(req):
 854         raise Exception("Could not send management frame")
 855     resp = wpas.mgmt_rx()
 856     if resp is None:
 857         raise Exception("MGMT-RX timeout")
 858     if 'payload' not in resp:
 859         raise Exception("Missing payload")
 860     gresp = parse_gas(resp['payload'])
 861     status_code = gresp['status_code']
 862     if status_code != 60:
 863         raise Exception("Unexpected status code {} (expected 60)".format(status_code))
 864
 865 def test_gas_delete_at_deinit(dev, apdev):
 866     """GAS query deleted at deinit"""
 867     hapd = start_ap(apdev[0])
 868     hapd.set("gas_comeback_delay", "1000")
 869     bssid = apdev[0]['bssid']
 870
 871     wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
 872     wpas.interface_add("wlan5")
 873     wpas.scan_for_bss(apdev[0]['bssid'], freq="2412", force_scan=True)
 874     wpas.request("ANQP_GET " + bssid + " 258")
 875
 876     wpas.global_request("INTERFACE_REMOVE " + wpas.ifname)
 877     ev = wpas.wait_event(["GAS-QUERY-DONE"], timeout=2)
 878     del wpas
 879     if ev is None:
 880         raise Exception("GAS-QUERY-DONE not seen")
 881     if "result=DELETED_AT_DEINIT" not in ev:
 882         raise Exception("Unexpected result code: " + ev)
 883
 884 def test_gas_missing_payload(dev, apdev):
 885     """No action code in the query frame"""
 886     bssid = apdev[0]['bssid']
 887     params = hs20_ap_params()
 888     params['hessid'] = bssid
 889     hostapd.add_ap(apdev[0], params)
 890
 891     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 892
 893     cmd = "MGMT_TX {} {} freq=2412 action=040A".format(bssid, bssid)
 894     if "FAIL" in dev[0].request(cmd):
 895         raise Exception("Could not send test Action frame")
 896     ev = dev[0].wait_event(["MGMT-TX-STATUS"], timeout=10)
 897     if ev is None:
 898         raise Exception("Timeout on MGMT-TX-STATUS")
 899     if "result=SUCCESS" not in ev:
 900         raise Exception("AP did not ack Action frame")
 901
 902     cmd = "MGMT_TX {} {} freq=2412 action=04".format(bssid, bssid)
 903     if "FAIL" in dev[0].request(cmd):
 904         raise Exception("Could not send test Action frame")
 905     ev = dev[0].wait_event(["MGMT-TX-STATUS"], timeout=10)
 906     if ev is None:
 907         raise Exception("Timeout on MGMT-TX-STATUS")
 908     if "result=SUCCESS" not in ev:
 909         raise Exception("AP did not ack Action frame")
 910
 911 def test_gas_query_deinit(dev, apdev):
 912     """Pending GAS/ANQP query during deinit"""
 913     hapd = start_ap(apdev[0])
 914     bssid = apdev[0]['bssid']
 915
 916     wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
 917     wpas.interface_add("wlan5")
 918
 919     wpas.scan_for_bss(bssid, freq="2412", force_scan=True)
 920     id = wpas.request("RADIO_WORK add block-work")
 921     if "OK" not in wpas.request("ANQP_GET " + bssid + " 258"):
 922         raise Exception("ANQP_GET command failed")
 923
 924     ev = wpas.wait_event(["GAS-QUERY-START", "EXT-RADIO-WORK-START"], timeout=5)
 925     if ev is None:
 926         raise Exception("Timeout while waiting radio work to start")
 927     ev = wpas.wait_event(["GAS-QUERY-START", "EXT-RADIO-WORK-START"], timeout=5)
 928     if ev is None:
 929         raise Exception("Timeout while waiting radio work to start (2)")
 930
 931     # Remove the interface while the gas-query radio work is still pending and
 932     # GAS query has not yet been started.
 933     wpas.interface_remove("wlan5")
 934
 935 @remote_compatible
 936 def test_gas_anqp_oom_wpas(dev, apdev):
 937     """GAS/ANQP query and OOM in wpa_supplicant"""
 938     hapd = start_ap(apdev[0])
 939     bssid = apdev[0]['bssid']
 940
 941     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 942
 943     with alloc_fail(dev[0], 1, "wpa_bss_anqp_alloc"):
 944         if "OK" not in dev[0].request("ANQP_GET " + bssid + " 258"):
 945             raise Exception("ANQP_GET command failed")
 946         ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=5)
 947         if ev is None:
 948             raise Exception("ANQP query did not complete")
 949
 950     with alloc_fail(dev[0], 1, "gas_build_req"):
 951         if "FAIL" not in dev[0].request("ANQP_GET " + bssid + " 258"):
 952             raise Exception("Unexpected ANQP_GET command success (OOM)")
 953
 954 def test_gas_anqp_oom_hapd(dev, apdev):
 955     """GAS/ANQP query and OOM in hostapd"""
 956     hapd = start_ap(apdev[0])
 957     bssid = apdev[0]['bssid']
 958
 959     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
 960
 961     with alloc_fail(hapd, 1, "gas_build_resp"):
 962         # This query will time out due to the AP not sending a response (OOM).
 963         if "OK" not in dev[0].request("ANQP_GET " + bssid + " 258"):
 964             raise Exception("ANQP_GET command failed")
 965
 966         ev = dev[0].wait_event(["GAS-QUERY-START"], timeout=5)
 967         if ev is None:
 968             raise Exception("GAS query start timed out")
 969
 970         ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=10)
 971         if ev is None:
 972             raise Exception("GAS query timed out")
 973         if "result=TIMEOUT" not in ev:
 974             raise Exception("Unexpected result: " + ev)
 975
 976         ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=10)
 977         if ev is None:
 978             raise Exception("ANQP-QUERY-DONE event not seen")
 979         if "result=FAILURE" not in ev:
 980             raise Exception("Unexpected result: " + ev)
 981
 982     with alloc_fail(hapd, 1, "gas_anqp_build_comeback_resp"):
 983         hapd.set("gas_frag_limit", "50")
 984
 985         # The first attempt of this query will time out due to the AP not
 986         # sending a response (OOM), but the retry succeeds.
 987         dev[0].request("FETCH_ANQP")
 988         ev = dev[0].wait_event(["GAS-QUERY-START"], timeout=5)
 989         if ev is None:
 990             raise Exception("GAS query start timed out")
 991
 992         ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=10)
 993         if ev is None:
 994             raise Exception("GAS query timed out")
 995         if "result=SUCCESS" not in ev:
 996             raise Exception("Unexpected result: " + ev)
 997
 998         ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=10)
 999         if ev is None:
1000             raise Exception("ANQP-QUERY-DONE event not seen")
1001         if "result=SUCCESS" not in ev:
1002             raise Exception("Unexpected result: " + ev)
1003
1004 def test_gas_anqp_extra_elements(dev, apdev):
1005     """GAS/ANQP and extra ANQP elements"""
1006     geo_loc = "001052834d12efd2b08b9b4bf1cc2c00004104050000000000060100"
1007     civic_loc = "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"
1008     held_uri = "https://held.example.com/location"
1009     held = struct.pack('BBB', 0, 1 + len(held_uri), 1) + held_uri
1010     supl_fqdn = "supl.example.com"
1011     supl = struct.pack('BBB', 0, 1 + len(supl_fqdn), 1) + supl_fqdn
1012     public_id = binascii.hexlify(held + supl)
1013     params = { "ssid": "gas/anqp",
1014                "interworking": "1",
1015                "anqp_elem": [ "265:" + geo_loc,
1016                               "266:" + civic_loc,
1017                               "262:1122334455",
1018                               "267:" + public_id,
1019                               "275:01020304",
1020                               "60000:01",
1021                               "299:0102" ] }
1022     hapd = hostapd.add_ap(apdev[0], params)
1023     bssid = apdev[0]['bssid']
1024
1025     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
1026     if "OK" not in dev[0].request("ANQP_GET " + bssid + " 265,266"):
1027         raise Exception("ANQP_GET command failed")
1028
1029     ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=10)
1030     if ev is None:
1031         raise Exception("GAS query timed out")
1032
1033     bss = dev[0].get_bss(bssid)
1034
1035     if 'anqp[265]' not in bss:
1036         raise Exception("AP Geospatial Location ANQP-element not seen")
1037     if bss['anqp[265]'] != geo_loc:
1038         raise Exception("Unexpected AP Geospatial Location ANQP-element value: " + bss['anqp[265]'])
1039
1040     if 'anqp[266]' not in bss:
1041         raise Exception("AP Civic Location ANQP-element not seen")
1042     if bss['anqp[266]'] != civic_loc:
1043         raise Exception("Unexpected AP Civic Location ANQP-element value: " + bss['anqp[266]'])
1044
1045     dev[1].scan_for_bss(bssid, freq="2412", force_scan=True)
1046     if "OK" not in dev[1].request("ANQP_GET " + bssid + " 257,258,259,260,261,262,263,264,265,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299"):
1047         raise Exception("ANQP_GET command failed")
1048
1049     ev = dev[1].wait_event(["GAS-QUERY-DONE"], timeout=10)
1050     if ev is None:
1051         raise Exception("GAS query timed out")
1052
1053     bss = dev[1].get_bss(bssid)
1054
1055     if 'anqp[265]' not in bss:
1056         raise Exception("AP Geospatial Location ANQP-element not seen")
1057     if bss['anqp[265]'] != geo_loc:
1058         raise Exception("Unexpected AP Geospatial Location ANQP-element value: " + bss['anqp[265]'])
1059
1060     if 'anqp[266]' in bss:
1061         raise Exception("AP Civic Location ANQP-element unexpectedly seen")
1062
1063     if 'anqp[267]' not in bss:
1064         raise Exception("AP Location Public Identifier ANQP-element not seen")
1065     if bss['anqp[267]'] != public_id:
1066         raise Exception("Unexpected AP Location Public Identifier ANQP-element value: " + bss['anqp[267]'])
1067
1068     if 'anqp[275]' not in bss:
1069         raise Exception("ANQP-element Info ID 275 not seen")
1070     if bss['anqp[275]'] != "01020304":
1071         raise Exception("Unexpected AP ANQP-element Info ID 299 value: " + bss['anqp[299]'])
1072
1073     if 'anqp[299]' not in bss:
1074         raise Exception("ANQP-element Info ID 299 not seen")
1075     if bss['anqp[299]'] != "0102":
1076         raise Exception("Unexpected AP ANQP-element Info ID 299 value: " + bss['anqp[299]'])
1077
1078     if 'anqp_ip_addr_type_availability' not in bss:
1079         raise Exception("ANQP-element Info ID 292 not seen")
1080     if bss['anqp_ip_addr_type_availability'] != "1122334455":
1081         raise Exception("Unexpected AP ANQP-element Info ID 262 value: " + bss['anqp_ip_addr_type_availability'])
1082
1083 def test_gas_anqp_address3_not_assoc(dev, apdev, params):
1084     """GAS/ANQP query using IEEE 802.11 compliant Address 3 value when not associated"""
1085     try:
1086         _test_gas_anqp_address3_not_assoc(dev, apdev, params)
1087     finally:
1088         dev[0].request("SET gas_address3 0")
1089
1090 def _test_gas_anqp_address3_not_assoc(dev, apdev, params):
1091     hapd = start_ap(apdev[0])
1092     bssid = apdev[0]['bssid']
1093
1094     if "OK" not in dev[0].request("SET gas_address3 1"):
1095         raise Exception("Failed to set gas_address3")
1096
1097     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
1098     if "OK" not in dev[0].request("ANQP_GET " + bssid + " 258"):
1099         raise Exception("ANQP_GET command failed")
1100
1101     ev = dev[0].wait_event(["GAS-QUERY-START"], timeout=5)
1102     if ev is None:
1103         raise Exception("GAS query start timed out")
1104
1105     ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=10)
1106     if ev is None:
1107         raise Exception("GAS query timed out")
1108
1109     ev = dev[0].wait_event(["RX-ANQP"], timeout=1)
1110     if ev is None or "Venue Name" not in ev:
1111         raise Exception("Did not receive Venue Name")
1112
1113     ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=10)
1114     if ev is None:
1115         raise Exception("ANQP-QUERY-DONE event not seen")
1116     if "result=SUCCESS" not in ev:
1117         raise Exception("Unexpected result: " + ev)
1118
1119     out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
1120                      "wlan_mgt.fixed.category_code == 4 && (wlan_mgt.fixed.publicact == 0x0a || wlan_mgt.fixed.publicact == 0x0b)",
1121                      display=["wlan.bssid"])
1122     res = out.splitlines()
1123     if len(res) != 2:
1124         raise Exception("Unexpected number of GAS frames")
1125     if res[0] != 'ff:ff:ff:ff:ff:ff':
1126         raise Exception("GAS request used unexpected Address3 field value: " + res[0])
1127     if res[1] != 'ff:ff:ff:ff:ff:ff':
1128         raise Exception("GAS response used unexpected Address3 field value: " + res[1])
1129
1130 def test_gas_anqp_address3_assoc(dev, apdev, params):
1131     """GAS/ANQP query using IEEE 802.11 compliant Address 3 value when associated"""
1132     try:
1133         _test_gas_anqp_address3_assoc(dev, apdev, params)
1134     finally:
1135         dev[0].request("SET gas_address3 0")
1136
1137 def _test_gas_anqp_address3_assoc(dev, apdev, params):
1138     hapd = start_ap(apdev[0])
1139     bssid = apdev[0]['bssid']
1140
1141     if "OK" not in dev[0].request("SET gas_address3 1"):
1142         raise Exception("Failed to set gas_address3")
1143
1144     dev[0].scan_for_bss(bssid, freq="2412")
1145     dev[0].connect("test-gas", key_mgmt="WPA-EAP", eap="TTLS",
1146                    identity="DOMAIN\mschapv2 user", anonymous_identity="ttls",
1147                    password="password", phase2="auth=MSCHAPV2",
1148                    ca_cert="auth_serv/ca.pem", scan_freq="2412")
1149
1150     if "OK" not in dev[0].request("ANQP_GET " + bssid + " 258"):
1151         raise Exception("ANQP_GET command failed")
1152
1153     ev = dev[0].wait_event(["GAS-QUERY-START"], timeout=5)
1154     if ev is None:
1155         raise Exception("GAS query start timed out")
1156
1157     ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=10)
1158     if ev is None:
1159         raise Exception("GAS query timed out")
1160
1161     ev = dev[0].wait_event(["RX-ANQP"], timeout=1)
1162     if ev is None or "Venue Name" not in ev:
1163         raise Exception("Did not receive Venue Name")
1164
1165     ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=10)
1166     if ev is None:
1167         raise Exception("ANQP-QUERY-DONE event not seen")
1168     if "result=SUCCESS" not in ev:
1169         raise Exception("Unexpected result: " + ev)
1170
1171     out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
1172                      "wlan_mgt.fixed.category_code == 4 && (wlan_mgt.fixed.publicact == 0x0a || wlan_mgt.fixed.publicact == 0x0b)",
1173                      display=["wlan.bssid"])
1174     res = out.splitlines()
1175     if len(res) != 2:
1176         raise Exception("Unexpected number of GAS frames")
1177     if res[0] != bssid:
1178         raise Exception("GAS request used unexpected Address3 field value: " + res[0])
1179     if res[1] != bssid:
1180         raise Exception("GAS response used unexpected Address3 field value: " + res[1])
1181
1182 def test_gas_anqp_address3_ap_forced(dev, apdev, params):
1183     """GAS/ANQP query using IEEE 802.11 compliant Address 3 value on AP"""
1184     hapd = start_ap(apdev[0])
1185     bssid = apdev[0]['bssid']
1186     hapd.set("gas_address3", "1")
1187
1188     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
1189     if "OK" not in dev[0].request("ANQP_GET " + bssid + " 258"):
1190         raise Exception("ANQP_GET command failed")
1191
1192     ev = dev[0].wait_event(["GAS-QUERY-START"], timeout=5)
1193     if ev is None:
1194         raise Exception("GAS query start timed out")
1195
1196     ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=10)
1197     if ev is None:
1198         raise Exception("GAS query timed out")
1199
1200     ev = dev[0].wait_event(["RX-ANQP"], timeout=1)
1201     if ev is None or "Venue Name" not in ev:
1202         raise Exception("Did not receive Venue Name")
1203
1204     ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=10)
1205     if ev is None:
1206         raise Exception("ANQP-QUERY-DONE event not seen")
1207     if "result=SUCCESS" not in ev:
1208         raise Exception("Unexpected result: " + ev)
1209
1210     out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
1211                      "wlan_mgt.fixed.category_code == 4 && (wlan_mgt.fixed.publicact == 0x0a || wlan_mgt.fixed.publicact == 0x0b)",
1212                      display=["wlan.bssid"])
1213     res = out.splitlines()
1214     if len(res) != 2:
1215         raise Exception("Unexpected number of GAS frames")
1216     if res[0] != bssid:
1217         raise Exception("GAS request used unexpected Address3 field value: " + res[0])
1218     if res[1] != 'ff:ff:ff:ff:ff:ff':
1219         raise Exception("GAS response used unexpected Address3 field value: " + res[1])
1220
1221 def test_gas_anqp_address3_ap_non_compliant(dev, apdev, params):
1222     """GAS/ANQP query using IEEE 802.11 non-compliant Address 3 (AP)"""
1223     try:
1224         _test_gas_anqp_address3_ap_non_compliant(dev, apdev, params)
1225     finally:
1226         dev[0].request("SET gas_address3 0")
1227
1228 def _test_gas_anqp_address3_ap_non_compliant(dev, apdev, params):
1229     hapd = start_ap(apdev[0])
1230     bssid = apdev[0]['bssid']
1231     hapd.set("gas_address3", "2")
1232
1233     if "OK" not in dev[0].request("SET gas_address3 1"):
1234         raise Exception("Failed to set gas_address3")
1235
1236     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
1237     if "OK" not in dev[0].request("ANQP_GET " + bssid + " 258"):
1238         raise Exception("ANQP_GET command failed")
1239
1240     ev = dev[0].wait_event(["GAS-QUERY-START"], timeout=5)
1241     if ev is None:
1242         raise Exception("GAS query start timed out")
1243
1244     ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=10)
1245     if ev is None:
1246         raise Exception("GAS query timed out")
1247
1248     ev = dev[0].wait_event(["RX-ANQP"], timeout=1)
1249     if ev is None or "Venue Name" not in ev:
1250         raise Exception("Did not receive Venue Name")
1251
1252     ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=10)
1253     if ev is None:
1254         raise Exception("ANQP-QUERY-DONE event not seen")
1255     if "result=SUCCESS" not in ev:
1256         raise Exception("Unexpected result: " + ev)
1257
1258     out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
1259                      "wlan_mgt.fixed.category_code == 4 && (wlan_mgt.fixed.publicact == 0x0a || wlan_mgt.fixed.publicact == 0x0b)",
1260                      display=["wlan.bssid"])
1261     res = out.splitlines()
1262     if len(res) != 2:
1263         raise Exception("Unexpected number of GAS frames")
1264     if res[0] != 'ff:ff:ff:ff:ff:ff':
1265         raise Exception("GAS request used unexpected Address3 field value: " + res[0])
1266     if res[1] != bssid:
1267         raise Exception("GAS response used unexpected Address3 field value: " + res[1])
1268
1269 def test_gas_prot_vs_not_prot(dev, apdev, params):
1270     """GAS/ANQP query protected vs. not protected"""
1271     hapd = start_ap(apdev[0])
1272     bssid = apdev[0]['bssid']
1273
1274     dev[0].scan_for_bss(bssid, freq="2412")
1275     dev[0].connect("test-gas", key_mgmt="WPA-EAP", eap="TTLS",
1276                    identity="DOMAIN\mschapv2 user", anonymous_identity="ttls",
1277                    password="password", phase2="auth=MSCHAPV2",
1278                    ca_cert="auth_serv/ca.pem", scan_freq="2412",
1279                    ieee80211w="2")
1280
1281     if "OK" not in dev[0].request("ANQP_GET " + bssid + " 258"):
1282         raise Exception("ANQP_GET command failed")
1283
1284     ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=5)
1285     if ev is None:
1286         raise Exception("No GAS-QUERY-DONE event")
1287     if "result=SUCCESS" not in ev:
1288         raise Exception("Unexpected GAS result: " + ev)
1289
1290     # GAS: Drop unexpected unprotected GAS frame when PMF is enabled
1291     dev[0].request("SET ext_mgmt_frame_handling 1")
1292     res = dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=d0003a010200000000000200000003000200000003001000040b00000005006c027f000000")
1293     dev[0].request("SET ext_mgmt_frame_handling 0")
1294     if "OK" not in res:
1295         raise Exception("MGMT_RX_PROCESS failed")
1296
1297     dev[0].request("DISCONNECT")
1298     dev[0].wait_disconnected()
1299
1300     # GAS: No pending query found for 02:00:00:00:03:00 dialog token 0
1301     dev[0].request("SET ext_mgmt_frame_handling 1")
1302     res = dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=d0003a010200000000000200000003000200000003001000040b00000005006c027f000000")
1303     dev[0].request("SET ext_mgmt_frame_handling 0")
1304     if "OK" not in res:
1305         raise Exception("MGMT_RX_PROCESS failed")
1306
1307     # GAS: Drop unexpected protected GAS frame when PMF is disabled
1308     dev[0].request("SET ext_mgmt_frame_handling 1")
1309     res = dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=d0003a010200000000000200000003000200000003001000090b00000005006c027f000000")
1310     dev[0].request("SET ext_mgmt_frame_handling 0")
1311     if "OK" not in res:
1312         raise Exception("MGMT_RX_PROCESS failed")
1313
1314 def test_gas_failures(dev, apdev):
1315     """GAS failure cases"""
1316     hapd = start_ap(apdev[0])
1317     hapd.set("gas_comeback_delay", "5")
1318     bssid = apdev[0]['bssid']
1319
1320     hapd2 = start_ap(apdev[1])
1321     bssid2 = apdev[1]['bssid']
1322
1323     dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
1324     dev[0].scan_for_bss(bssid2, freq="2412")
1325
1326     tests = [ (bssid, "gas_build_req;gas_query_tx_comeback_req"),
1327               (bssid, "gas_query_tx;gas_query_tx_comeback_req"),
1328               (bssid, "gas_query_append;gas_query_rx_comeback"),
1329               (bssid2, "gas_query_append;gas_query_rx_initial"),
1330               (bssid2, "wpabuf_alloc_copy;gas_query_rx_initial"),
1331               (bssid, "gas_query_tx;gas_query_tx_initial_req") ]
1332     for addr,func in tests:
1333         with alloc_fail(dev[0], 1, func):
1334             dev[0].request("ANQP_GET " + addr + " 258")
1335             ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=5)
1336             if ev is None:
1337                 raise Exception("No GAS-QUERY-DONE seen")
1338             if "result=INTERNAL_ERROR" not in ev:
1339                 raise Exception("Unexpected result code: " + ev)
1340         dev[0].dump_monitor()
1341
1342     tests = [ "=gas_query_req", "radio_add_work;gas_query_req" ]
1343     for func in tests:
1344         with alloc_fail(dev[0], 1, func):
1345             if "FAIL" not in dev[0].request("ANQP_GET " + bssid + " 258"):
1346                 raise Exception("ANQP_GET succeeded unexpectedly during OOM")
1347         dev[0].dump_monitor()
1348
1349     wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
1350     wpas.interface_add("wlan5")
1351     wpas.scan_for_bss(bssid2, freq="2412")
1352     wpas.request("SET preassoc_mac_addr 1111")
1353     wpas.request("ANQP_GET " + bssid2 + " 258")
1354     ev = wpas.wait_event(["Failed to assign random MAC address for GAS"],
1355                          timeout=5)
1356     wpas.request("SET preassoc_mac_addr 0")
1357     if ev is None:
1358         raise Exception("No random MAC address error seen")