tests/hwsim/test_wpas_mesh.py

   1 # wpa_supplicant mesh mode tests
   2 # Copyright (c) 2014, cozybit Inc.
   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 os
  10 import struct
  11 import subprocess
  12 import time
  13 import json
  14 import binascii
  15
  16 import hwsim_utils
  17 import hostapd
  18 from wpasupplicant import WpaSupplicant
  19 from utils import HwsimSkip, alloc_fail, fail_test, wait_fail_trigger
  20 from tshark import run_tshark, run_tshark_json
  21 from test_ap_ht import set_world_reg
  22 from test_sae import radiotap_build, start_monitor, stop_monitor, \
  23     build_sae_commit, sae_rx_commit_token_req
  24 from hwsim_utils import set_group_map
  25
  26 def check_mesh_support(dev, secure=False):
  27     if "MESH" not in dev.get_capability("modes"):
  28         raise HwsimSkip("Driver does not support mesh")
  29     if secure and "SAE" not in dev.get_capability("auth_alg"):
  30         raise HwsimSkip("SAE not supported")
  31
  32 def check_mesh_scan(dev, params, other_started=False, beacon_int=0):
  33     if not other_started:
  34         dev.dump_monitor()
  35     id = dev.request("SCAN " + params)
  36     if "FAIL" in id:
  37         raise Exception("Failed to start scan")
  38     id = int(id)
  39
  40     if other_started:
  41         ev = dev.wait_event(["CTRL-EVENT-SCAN-STARTED"])
  42         if ev is None:
  43             raise Exception("Other scan did not start")
  44         if "id=" + str(id) in ev:
  45             raise Exception("Own scan id unexpectedly included in start event")
  46
  47         ev = dev.wait_event(["CTRL-EVENT-SCAN-RESULTS"])
  48         if ev is None:
  49             raise Exception("Other scan did not complete")
  50         if "id=" + str(id) in ev:
  51             raise Exception(
  52                 "Own scan id unexpectedly included in completed event")
  53
  54     ev = dev.wait_event(["CTRL-EVENT-SCAN-STARTED"])
  55     if ev is None:
  56         raise Exception("Scan did not start")
  57     if "id=" + str(id) not in ev:
  58         raise Exception("Scan id not included in start event")
  59
  60     ev = dev.wait_event(["CTRL-EVENT-SCAN-RESULTS"])
  61     if ev is None:
  62         raise Exception("Scan did not complete")
  63     if "id=" + str(id) not in ev:
  64         raise Exception("Scan id not included in completed event")
  65
  66     res = dev.request("SCAN_RESULTS")
  67
  68     if res.find("[MESH]") < 0:
  69         raise Exception("Scan did not contain a MESH network")
  70
  71     bssid = res.splitlines()[1].split(' ')[0]
  72     bss = dev.get_bss(bssid)
  73     if bss is None:
  74         raise Exception("Could not get BSS entry for mesh")
  75     if 'mesh_capability' not in bss:
  76         raise Exception("mesh_capability missing from BSS entry")
  77     if beacon_int:
  78         if 'beacon_int' not in bss:
  79             raise Exception("beacon_int missing from BSS entry")
  80         if str(beacon_int) != bss['beacon_int']:
  81             raise Exception("Unexpected beacon_int in BSS entry: " + bss['beacon_int'])
  82     if '[MESH]' not in bss['flags']:
  83         raise Exception("BSS output did not include MESH flag")
  84
  85 def check_mesh_group_added(dev):
  86     ev = dev.wait_event(["MESH-GROUP-STARTED"])
  87     if ev is None:
  88         raise Exception("Test exception: Couldn't join mesh")
  89
  90
  91 def check_mesh_group_removed(dev):
  92     ev = dev.wait_event(["MESH-GROUP-REMOVED"])
  93     if ev is None:
  94         raise Exception("Test exception: Couldn't leave mesh")
  95
  96
  97 def check_mesh_peer_connected(dev, timeout=10):
  98     ev = dev.wait_event(["MESH-PEER-CONNECTED"], timeout=timeout)
  99     if ev is None:
 100         raise Exception("Test exception: Remote peer did not connect.")
 101
 102
 103 def check_mesh_peer_disconnected(dev):
 104     ev = dev.wait_event(["MESH-PEER-DISCONNECTED"])
 105     if ev is None:
 106         raise Exception("Test exception: Peer disconnect event not detected.")
 107
 108 def check_mesh_joined2(dev):
 109     check_mesh_group_added(dev[0])
 110     check_mesh_group_added(dev[1])
 111
 112 def check_mesh_connected2(dev, timeout0=10, connectivity=False):
 113     check_mesh_peer_connected(dev[0], timeout=timeout0)
 114     check_mesh_peer_connected(dev[1])
 115     if connectivity:
 116         hwsim_utils.test_connectivity(dev[0], dev[1])
 117
 118 def check_mesh_joined_connected(dev, connectivity=False, timeout0=10):
 119     check_mesh_joined2(dev)
 120     check_mesh_connected2(dev, timeout0=timeout0, connectivity=connectivity)
 121
 122 def test_wpas_add_set_remove_support(dev):
 123     """wpa_supplicant MESH add/set/remove network support"""
 124     check_mesh_support(dev[0])
 125     id = dev[0].add_network()
 126     dev[0].set_network(id, "mode", "5")
 127     dev[0].remove_network(id)
 128
 129 def add_open_mesh_network(dev, freq="2412", start=True, beacon_int=0,
 130                           basic_rates=None, chwidth=-1, disable_vht=False,
 131                           disable_ht40=False):
 132     id = dev.add_network()
 133     dev.set_network(id, "mode", "5")
 134     dev.set_network_quoted(id, "ssid", "wpas-mesh-open")
 135     dev.set_network(id, "key_mgmt", "NONE")
 136     if freq:
 137         dev.set_network(id, "frequency", freq)
 138     if chwidth > -1:
 139         dev.set_network(id, "max_oper_chwidth", str(chwidth))
 140     if beacon_int:
 141         dev.set_network(id, "beacon_int", str(beacon_int))
 142     if basic_rates:
 143         dev.set_network(id, "mesh_basic_rates", basic_rates)
 144     if disable_vht:
 145         dev.set_network(id, "disable_vht", "1")
 146     if disable_ht40:
 147         dev.set_network(id, "disable_ht40", "1")
 148     if start:
 149         dev.mesh_group_add(id)
 150     return id
 151
 152 def test_wpas_mesh_group_added(dev):
 153     """wpa_supplicant MESH group add"""
 154     check_mesh_support(dev[0])
 155     add_open_mesh_network(dev[0])
 156
 157     # Check for MESH-GROUP-STARTED event
 158     check_mesh_group_added(dev[0])
 159
 160
 161 def test_wpas_mesh_group_remove(dev):
 162     """wpa_supplicant MESH group remove"""
 163     check_mesh_support(dev[0])
 164     add_open_mesh_network(dev[0])
 165     # Check for MESH-GROUP-STARTED event
 166     check_mesh_group_added(dev[0])
 167     dev[0].mesh_group_remove()
 168     # Check for MESH-GROUP-REMOVED event
 169     check_mesh_group_removed(dev[0])
 170     dev[0].mesh_group_remove()
 171
 172 def test_wpas_mesh_peer_connected(dev):
 173     """wpa_supplicant MESH peer connected"""
 174     check_mesh_support(dev[0])
 175     add_open_mesh_network(dev[0], beacon_int=160)
 176     add_open_mesh_network(dev[1], beacon_int=160)
 177     check_mesh_joined_connected(dev)
 178
 179 def test_wpas_mesh_peer_disconnected(dev):
 180     """wpa_supplicant MESH peer disconnected"""
 181     check_mesh_support(dev[0])
 182     add_open_mesh_network(dev[0])
 183     add_open_mesh_network(dev[1])
 184     check_mesh_joined_connected(dev)
 185
 186     # Remove group on dev 1
 187     dev[1].mesh_group_remove()
 188     # Device 0 should get a disconnection event
 189     check_mesh_peer_disconnected(dev[0])
 190
 191
 192 def test_wpas_mesh_mode_scan(dev):
 193     """wpa_supplicant MESH scan support"""
 194     check_mesh_support(dev[0])
 195     add_open_mesh_network(dev[0])
 196     add_open_mesh_network(dev[1], beacon_int=175)
 197
 198     check_mesh_joined2(dev)
 199
 200     # Check for Mesh scan
 201     check_mesh_scan(dev[0], "use_id=1 freq=2412", beacon_int=175)
 202
 203 def test_wpas_mesh_open(dev, apdev):
 204     """wpa_supplicant open MESH network connectivity"""
 205     check_mesh_support(dev[0])
 206     add_open_mesh_network(dev[0], freq="2462", basic_rates="60 120 240")
 207     add_open_mesh_network(dev[1], freq="2462", basic_rates="60 120 240")
 208
 209     check_mesh_joined_connected(dev, connectivity=True)
 210
 211     state = dev[0].get_status_field("wpa_state")
 212     if state != "COMPLETED":
 213         raise Exception("Unexpected wpa_state on dev0: " + state)
 214     state = dev[1].get_status_field("wpa_state")
 215     if state != "COMPLETED":
 216         raise Exception("Unexpected wpa_state on dev1: " + state)
 217
 218     mode = dev[0].get_status_field("mode")
 219     if mode != "mesh":
 220         raise Exception("Unexpected mode: " + mode)
 221
 222 def test_wpas_mesh_open_no_auto(dev, apdev):
 223     """wpa_supplicant open MESH network connectivity"""
 224     check_mesh_support(dev[0])
 225     id = add_open_mesh_network(dev[0], start=False)
 226     dev[0].set_network(id, "dot11MeshMaxRetries", "16")
 227     dev[0].set_network(id, "dot11MeshRetryTimeout", "255")
 228     dev[0].mesh_group_add(id)
 229
 230     id = add_open_mesh_network(dev[1], start=False)
 231     dev[1].set_network(id, "no_auto_peer", "1")
 232     dev[1].mesh_group_add(id)
 233
 234     check_mesh_joined_connected(dev, connectivity=True, timeout0=30)
 235
 236 def test_mesh_open_no_auto2(dev, apdev):
 237     """Open mesh network connectivity, no_auto on both peers"""
 238     check_mesh_support(dev[0])
 239     id = add_open_mesh_network(dev[0], start=False)
 240     dev[0].set_network(id, "no_auto_peer", "1")
 241     dev[0].mesh_group_add(id)
 242
 243     id = add_open_mesh_network(dev[1], start=False)
 244     dev[1].set_network(id, "no_auto_peer", "1")
 245     dev[1].mesh_group_add(id)
 246
 247     check_mesh_joined2(dev)
 248
 249     ev = dev[0].wait_event(["will not initiate new peer link"], timeout=10)
 250     if ev is None:
 251         raise Exception("Missing no-initiate message")
 252     addr1 = dev[1].own_addr()
 253     if "OK" not in dev[0].request("MESH_PEER_ADD " + addr1):
 254         raise Exception("MESH_PEER_ADD failed")
 255     if "FAIL" not in dev[0].request("MESH_PEER_ADD ff:ff:ff:ff:ff:ff"):
 256         raise Exception("MESH_PEER_ADD with unknown STA succeeded")
 257     check_mesh_connected2(dev, timeout0=30)
 258     if "FAIL" not in dev[0].request("MESH_PEER_ADD " + addr1):
 259         raise Exception("MESH_PEER_ADD succeeded for connected STA")
 260     hwsim_utils.test_connectivity(dev[0], dev[1])
 261
 262 def test_mesh_open_rssi_threshold(dev, apdev):
 263     """Open mesh network with RSSI threshold"""
 264     check_mesh_support(dev[0])
 265
 266     _test_mesh_open_rssi_threshold(dev, apdev, -255, -255)
 267     _test_mesh_open_rssi_threshold(dev, apdev, 0, 0)
 268     _test_mesh_open_rssi_threshold(dev, apdev, 1, 0)
 269
 270 def _test_mesh_open_rssi_threshold(dev, apdev, value, expected):
 271     id = add_open_mesh_network(dev[0], start=False)
 272     dev[0].set_network(id, "mesh_rssi_threshold", str(value))
 273     dev[0].mesh_group_add(id)
 274     check_mesh_group_added(dev[0])
 275
 276     cmd = subprocess.Popen([ "iw", "dev", dev[0].ifname, "get", "mesh_param",
 277                              "mesh_rssi_threshold" ], stdout=subprocess.PIPE)
 278     mesh_rssi_threshold = int(cmd.stdout.read().decode().split(" ")[0])
 279
 280     dev[0].mesh_group_remove()
 281     check_mesh_group_removed(dev[0])
 282
 283     if mesh_rssi_threshold != expected:
 284         raise Exception("mesh_rssi_threshold should be " + str(expected) +
 285                         ": " + str(mesh_rssi_threshold))
 286
 287 def add_mesh_secure_net(dev, psk=True, pmf=False, pairwise=None, group=None,
 288                         sae_password=False, sae_password_id=None, ocv=False):
 289     id = dev.add_network()
 290     dev.set_network(id, "mode", "5")
 291     dev.set_network_quoted(id, "ssid", "wpas-mesh-sec")
 292     dev.set_network(id, "key_mgmt", "SAE")
 293     dev.set_network(id, "frequency", "2412")
 294     if sae_password:
 295         dev.set_network_quoted(id, "sae_password", "thisismypassphrase!")
 296     if sae_password_id:
 297         dev.set_network_quoted(id, "sae_password_id", sae_password_id)
 298     if psk:
 299         dev.set_network_quoted(id, "psk", "thisismypassphrase!")
 300     if pmf:
 301         dev.set_network(id, "ieee80211w", "2")
 302     if pairwise:
 303         dev.set_network(id, "pairwise", pairwise)
 304     if group:
 305         dev.set_network(id, "group", group)
 306     if ocv:
 307         try:
 308             dev.set_network(id, "ocv", "1")
 309         except Exception as e:
 310             if "SET_NETWORK failed" in str(e):
 311                 raise HwsimSkip("OCV not supported")
 312             raise
 313     return id
 314
 315 def test_wpas_mesh_secure(dev, apdev):
 316     """wpa_supplicant secure MESH network connectivity"""
 317     check_mesh_support(dev[0], secure=True)
 318     dev[0].request("SET sae_groups ")
 319     id = add_mesh_secure_net(dev[0])
 320     dev[0].mesh_group_add(id)
 321
 322     dev[1].request("SET sae_groups ")
 323     id = add_mesh_secure_net(dev[1])
 324     dev[1].mesh_group_add(id)
 325
 326     check_mesh_joined_connected(dev, connectivity=True)
 327
 328     state = dev[0].get_status_field("wpa_state")
 329     if state != "COMPLETED":
 330         raise Exception("Unexpected wpa_state on dev0: " + state)
 331     state = dev[1].get_status_field("wpa_state")
 332     if state != "COMPLETED":
 333         raise Exception("Unexpected wpa_state on dev1: " + state)
 334
 335 def test_wpas_mesh_secure_sae_password(dev, apdev):
 336     """wpa_supplicant secure mesh using sae_password"""
 337     check_mesh_support(dev[0], secure=True)
 338     dev[0].request("SET sae_groups ")
 339     id = add_mesh_secure_net(dev[0], psk=False, sae_password=True)
 340     dev[0].mesh_group_add(id)
 341
 342     dev[1].request("SET sae_groups ")
 343     id = add_mesh_secure_net(dev[1])
 344     dev[1].mesh_group_add(id)
 345
 346     check_mesh_joined_connected(dev, connectivity=True)
 347
 348 def test_wpas_mesh_secure_sae_password_id(dev, apdev):
 349     """Secure mesh using sae_password and password identifier"""
 350     check_mesh_support(dev[0], secure=True)
 351     dev[0].request("SET sae_groups ")
 352     id = add_mesh_secure_net(dev[0], psk=False, sae_password=True,
 353                              sae_password_id="pw id")
 354     dev[0].mesh_group_add(id)
 355
 356     dev[1].request("SET sae_groups ")
 357     id = add_mesh_secure_net(dev[1], sae_password=True,
 358                              sae_password_id="pw id")
 359     dev[1].mesh_group_add(id)
 360
 361     check_mesh_joined_connected(dev, connectivity=True)
 362
 363 def test_wpas_mesh_secure_sae_password_id_mismatch(dev, apdev):
 364     """Secure mesh using sae_password and password identifier mismatch"""
 365     check_mesh_support(dev[0], secure=True)
 366     dev[0].request("SET sae_groups ")
 367     id = add_mesh_secure_net(dev[0], psk=False, sae_password=True,
 368                              sae_password_id="pw id")
 369     dev[0].mesh_group_add(id)
 370
 371     dev[1].request("SET sae_groups ")
 372     id = add_mesh_secure_net(dev[1], sae_password=True,
 373                              sae_password_id="wrong")
 374     dev[1].mesh_group_add(id)
 375
 376     check_mesh_joined2(dev)
 377
 378     ev = dev[0].wait_event(["CTRL-EVENT-SAE-UNKNOWN-PASSWORD-IDENTIFIER"],
 379                            timeout=10)
 380     if ev is None:
 381         raise Exception("Unknown Password Identifier not noticed")
 382
 383 def test_mesh_secure_pmf(dev, apdev):
 384     """Secure mesh network connectivity with PMF enabled"""
 385     check_mesh_support(dev[0], secure=True)
 386     dev[0].request("SET sae_groups ")
 387     id = add_mesh_secure_net(dev[0], pmf=True)
 388     dev[0].mesh_group_add(id)
 389
 390     dev[1].request("SET sae_groups ")
 391     id = add_mesh_secure_net(dev[1], pmf=True)
 392     dev[1].mesh_group_add(id)
 393
 394     check_mesh_joined_connected(dev, connectivity=True)
 395
 396 def test_mesh_secure_ocv(dev, apdev):
 397     """Secure mesh network connectivity with OCV enabled"""
 398     check_mesh_support(dev[0], secure=True)
 399     dev[0].request("SET sae_groups ")
 400     id = add_mesh_secure_net(dev[0], pmf=True, ocv=True)
 401     dev[0].mesh_group_add(id)
 402     dev[1].request("SET sae_groups ")
 403     id = add_mesh_secure_net(dev[1], pmf=True, ocv=True)
 404     dev[1].mesh_group_add(id)
 405
 406     check_mesh_joined_connected(dev, connectivity=True)
 407
 408 def test_mesh_secure_ocv_compat(dev, apdev):
 409     """Secure mesh network where only one peer has OCV enabled"""
 410     check_mesh_support(dev[0], secure=True)
 411     dev[0].request("SET sae_groups ")
 412     id = add_mesh_secure_net(dev[0], pmf=True, ocv=True)
 413     dev[0].mesh_group_add(id)
 414     dev[1].request("SET sae_groups ")
 415     id = add_mesh_secure_net(dev[1], pmf=True, ocv=False)
 416     dev[1].mesh_group_add(id)
 417
 418     check_mesh_joined_connected(dev, connectivity=True)
 419
 420 def set_reg(dev, country):
 421     subprocess.call(['iw', 'reg', 'set', country])
 422     for i in range(2):
 423         for j in range(5):
 424             ev = dev[i].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=5)
 425             if ev is None:
 426                 raise Exception("No regdom change event")
 427             if "alpha2=" + country in ev:
 428                 break
 429
 430 def clear_reg_setting(dev):
 431     dev[0].request("MESH_GROUP_REMOVE " + dev[0].ifname)
 432     dev[1].request("MESH_GROUP_REMOVE " + dev[1].ifname)
 433     subprocess.call(['iw', 'reg', 'set', '00'])
 434     dev[0].flush_scan_cache()
 435     dev[1].flush_scan_cache()
 436
 437 def test_mesh_secure_ocv_mix_legacy(dev, apdev):
 438     """Mesh network with a VHT STA and a legacy STA under OCV"""
 439     try:
 440         run_mesh_secure_ocv_mix_legacy(dev, apdev)
 441     finally:
 442         clear_reg_setting(dev)
 443
 444 def run_mesh_secure_ocv_mix_legacy(dev, apdev):
 445     check_mesh_support(dev[0], secure=True)
 446     set_reg(dev, 'AZ')
 447
 448     dev[0].request("SET sae_groups ")
 449     id = add_mesh_secure_net(dev[0], pmf=True, ocv=True)
 450     dev[0].set_network(id, "frequency", "5200")
 451     dev[0].set_network(id, "max_oper_chwidth", "2")
 452     dev[0].mesh_group_add(id)
 453
 454     dev[1].request("SET sae_groups ")
 455     id = add_mesh_secure_net(dev[1], pmf=True, ocv=True)
 456     dev[1].set_network(id, "frequency", "5200")
 457     dev[1].set_network(id, "disable_vht", "1")
 458     dev[1].set_network(id, "disable_ht40", "1")
 459     dev[1].mesh_group_add(id)
 460
 461     check_mesh_joined_connected(dev, connectivity=True)
 462
 463 def test_mesh_secure_ocv_mix_ht(dev, apdev):
 464     """Mesh network with a VHT STA and a HT STA under OCV"""
 465     try:
 466         run_mesh_secure_ocv_mix_ht(dev, apdev)
 467     finally:
 468         clear_reg_setting(dev)
 469
 470 def run_mesh_secure_ocv_mix_ht(dev, apdev):
 471     check_mesh_support(dev[0], secure=True)
 472     set_reg(dev, 'AZ')
 473
 474     dev[0].request("SET sae_groups ")
 475     id = add_mesh_secure_net(dev[0], pmf=True, ocv=True)
 476     dev[0].set_network(id, "frequency", "5200")
 477     dev[0].set_network(id, "max_oper_chwidth", "2")
 478     dev[0].mesh_group_add(id)
 479
 480     dev[1].request("SET sae_groups ")
 481     id = add_mesh_secure_net(dev[1], pmf=True, ocv=True)
 482     dev[1].set_network(id, "frequency", "5200")
 483     dev[1].set_network(id, "disable_vht", "1")
 484     dev[1].mesh_group_add(id)
 485
 486     check_mesh_joined_connected(dev, connectivity=True)
 487
 488 def run_mesh_secure(dev, cipher):
 489     if cipher not in dev[0].get_capability("pairwise"):
 490         raise HwsimSkip("Cipher %s not supported" % cipher)
 491     check_mesh_support(dev[0], secure=True)
 492     dev[0].request("SET sae_groups ")
 493     id = add_mesh_secure_net(dev[0], pairwise=cipher, group=cipher)
 494     dev[0].mesh_group_add(id)
 495
 496     dev[1].request("SET sae_groups ")
 497     id = add_mesh_secure_net(dev[1], pairwise=cipher, group=cipher)
 498     dev[1].mesh_group_add(id)
 499
 500     check_mesh_joined_connected(dev, connectivity=True)
 501
 502 def test_mesh_secure_ccmp(dev, apdev):
 503     """Secure mesh with CCMP"""
 504     run_mesh_secure(dev, "CCMP")
 505
 506 def test_mesh_secure_gcmp(dev, apdev):
 507     """Secure mesh with GCMP"""
 508     run_mesh_secure(dev, "GCMP")
 509
 510 def test_mesh_secure_gcmp_256(dev, apdev):
 511     """Secure mesh with GCMP-256"""
 512     run_mesh_secure(dev, "GCMP-256")
 513
 514 def test_mesh_secure_ccmp_256(dev, apdev):
 515     """Secure mesh with CCMP-256"""
 516     run_mesh_secure(dev, "CCMP-256")
 517
 518 def test_mesh_secure_invalid_pairwise_cipher(dev, apdev):
 519     """Secure mesh and invalid group cipher"""
 520     check_mesh_support(dev[0], secure=True)
 521     dev[0].request("SET sae_groups ")
 522     id = add_mesh_secure_net(dev[0], pairwise="TKIP", group="CCMP")
 523     if dev[0].mesh_group_add(id) != None:
 524         raise Exception("Unexpected group add success")
 525     ev = dev[0].wait_event(["mesh: Invalid pairwise cipher"], timeout=1)
 526     if ev is None:
 527         raise Exception("Invalid pairwise cipher not reported")
 528
 529 def test_mesh_secure_invalid_group_cipher(dev, apdev):
 530     """Secure mesh and invalid group cipher"""
 531     check_mesh_support(dev[0], secure=True)
 532     dev[0].request("SET sae_groups ")
 533     id = add_mesh_secure_net(dev[0], pairwise="CCMP", group="TKIP")
 534     if dev[0].mesh_group_add(id) != None:
 535         raise Exception("Unexpected group add success")
 536     ev = dev[0].wait_event(["mesh: Invalid group cipher"], timeout=1)
 537     if ev is None:
 538         raise Exception("Invalid group cipher not reported")
 539
 540 def test_wpas_mesh_secure_sae_group_mismatch(dev, apdev):
 541     """wpa_supplicant secure MESH and SAE group mismatch"""
 542     check_mesh_support(dev[0], secure=True)
 543     addr0 = dev[0].p2p_interface_addr()
 544     addr1 = dev[1].p2p_interface_addr()
 545     addr2 = dev[2].p2p_interface_addr()
 546
 547     dev[0].request("SET sae_groups 19 25")
 548     id = add_mesh_secure_net(dev[0])
 549     dev[0].mesh_group_add(id)
 550
 551     dev[1].request("SET sae_groups 19")
 552     id = add_mesh_secure_net(dev[1])
 553     dev[1].mesh_group_add(id)
 554
 555     dev[2].request("SET sae_groups 26")
 556     id = add_mesh_secure_net(dev[2])
 557     dev[2].mesh_group_add(id)
 558
 559     check_mesh_group_added(dev[0])
 560     check_mesh_group_added(dev[1])
 561     check_mesh_group_added(dev[2])
 562
 563     ev = dev[0].wait_event(["MESH-PEER-CONNECTED"])
 564     if ev is None:
 565         raise Exception("Remote peer did not connect")
 566     if addr1 not in ev:
 567         raise Exception("Unexpected peer connected: " + ev)
 568
 569     ev = dev[1].wait_event(["MESH-PEER-CONNECTED"])
 570     if ev is None:
 571         raise Exception("Remote peer did not connect")
 572     if addr0 not in ev:
 573         raise Exception("Unexpected peer connected: " + ev)
 574
 575     ev = dev[2].wait_event(["MESH-PEER-CONNECTED"], timeout=1)
 576     if ev is not None:
 577         raise Exception("Unexpected peer connection at dev[2]: " + ev)
 578
 579     ev = dev[0].wait_event(["MESH-PEER-CONNECTED"], timeout=0.1)
 580     if ev is not None:
 581         raise Exception("Unexpected peer connection: " + ev)
 582
 583     ev = dev[1].wait_event(["MESH-PEER-CONNECTED"], timeout=0.1)
 584     if ev is not None:
 585         raise Exception("Unexpected peer connection: " + ev)
 586
 587     dev[0].request("SET sae_groups ")
 588     dev[1].request("SET sae_groups ")
 589     dev[2].request("SET sae_groups ")
 590
 591 def test_wpas_mesh_secure_sae_group_negotiation(dev, apdev):
 592     """wpa_supplicant secure MESH and SAE group negotiation"""
 593     check_mesh_support(dev[0], secure=True)
 594     addr0 = dev[0].own_addr()
 595     addr1 = dev[1].own_addr()
 596
 597     #dev[0].request("SET sae_groups 21 20 25 26")
 598     dev[0].request("SET sae_groups 26")
 599     id = add_mesh_secure_net(dev[0])
 600     dev[0].mesh_group_add(id)
 601
 602     dev[1].request("SET sae_groups 19 26")
 603     id = add_mesh_secure_net(dev[1])
 604     dev[1].mesh_group_add(id)
 605
 606     check_mesh_joined_connected(dev)
 607
 608     dev[0].request("SET sae_groups ")
 609     dev[1].request("SET sae_groups ")
 610
 611 def test_wpas_mesh_secure_sae_missing_password(dev, apdev):
 612     """wpa_supplicant secure MESH and missing SAE password"""
 613     check_mesh_support(dev[0], secure=True)
 614     id = add_mesh_secure_net(dev[0], psk=False)
 615     dev[0].set_network(id, "psk", "8f20b381f9b84371d61b5080ad85cac3c61ab3ca9525be5b2d0f4da3d979187a")
 616     dev[0].mesh_group_add(id)
 617     ev = dev[0].wait_event(["MESH-GROUP-STARTED", "Could not join mesh"],
 618                            timeout=5)
 619     if ev is None:
 620         raise Exception("Timeout on mesh start event")
 621     if "MESH-GROUP-STARTED" in ev:
 622         raise Exception("Unexpected mesh group start")
 623     ev = dev[0].wait_event(["MESH-GROUP-STARTED"], timeout=0.1)
 624     if ev is not None:
 625         raise Exception("Unexpected mesh group start")
 626
 627 def test_wpas_mesh_secure_no_auto(dev, apdev):
 628     """wpa_supplicant secure MESH network connectivity"""
 629     check_mesh_support(dev[0], secure=True)
 630     dev[0].request("SET sae_groups 19")
 631     id = add_mesh_secure_net(dev[0])
 632     dev[0].mesh_group_add(id)
 633
 634     dev[1].request("SET sae_groups 19")
 635     id = add_mesh_secure_net(dev[1])
 636     dev[1].set_network(id, "no_auto_peer", "1")
 637     dev[1].mesh_group_add(id)
 638
 639     check_mesh_joined_connected(dev, connectivity=True)
 640
 641     dev[0].request("SET sae_groups ")
 642     dev[1].request("SET sae_groups ")
 643
 644 def test_wpas_mesh_secure_dropped_frame(dev, apdev):
 645     """Secure mesh network connectivity when the first plink Open is dropped"""
 646     check_mesh_support(dev[0], secure=True)
 647
 648     dev[0].request("SET ext_mgmt_frame_handling 1")
 649     dev[0].request("SET sae_groups ")
 650     id = add_mesh_secure_net(dev[0])
 651     dev[0].mesh_group_add(id)
 652
 653     dev[1].request("SET sae_groups ")
 654     id = add_mesh_secure_net(dev[1])
 655     dev[1].mesh_group_add(id)
 656
 657     check_mesh_joined2(dev)
 658
 659     # Drop the first Action frame (plink Open) to test unexpected order of
 660     # Confirm/Open messages.
 661     count = 0
 662     while True:
 663         count += 1
 664         if count > 10:
 665             raise Exception("Did not see Action frames")
 666         rx_msg = dev[0].mgmt_rx()
 667         if rx_msg is None:
 668             raise Exception("MGMT-RX timeout")
 669         if rx_msg['subtype'] == 13:
 670             logger.info("Drop the first Action frame")
 671             break
 672         if "OK" not in dev[0].request("MGMT_RX_PROCESS freq={} datarate={} ssi_signal={} frame={}".format(
 673             rx_msg['freq'], rx_msg['datarate'], rx_msg['ssi_signal'], binascii.hexlify(rx_msg['frame']).decode())):
 674             raise Exception("MGMT_RX_PROCESS failed")
 675
 676     dev[0].request("SET ext_mgmt_frame_handling 0")
 677
 678     check_mesh_connected2(dev, connectivity=True)
 679
 680 def test_mesh_secure_fail(dev, apdev):
 681     """Secure mesh network connectivity failure"""
 682     check_mesh_support(dev[0], secure=True)
 683     dev[0].request("SET sae_groups ")
 684     id = add_mesh_secure_net(dev[0], pmf=True)
 685     dev[0].mesh_group_add(id)
 686
 687     dev[1].request("SET sae_groups ")
 688     id = add_mesh_secure_net(dev[1], pmf=True)
 689
 690     with fail_test(dev[0], 1, "wpa_driver_nl80211_sta_add;mesh_mpm_auth_peer"):
 691         dev[1].mesh_group_add(id)
 692
 693         check_mesh_joined_connected(dev)
 694
 695 def test_wpas_mesh_ctrl(dev):
 696     """wpa_supplicant ctrl_iface mesh command error cases"""
 697     check_mesh_support(dev[0])
 698     if "FAIL" not in dev[0].request("MESH_GROUP_ADD 123"):
 699         raise Exception("Unexpected MESH_GROUP_ADD success")
 700     id = dev[0].add_network()
 701     if "FAIL" not in dev[0].request("MESH_GROUP_ADD %d" % id):
 702         raise Exception("Unexpected MESH_GROUP_ADD success")
 703     dev[0].set_network(id, "mode", "5")
 704     dev[0].set_network(id, "key_mgmt", "WPA-PSK")
 705     if "FAIL" not in dev[0].request("MESH_GROUP_ADD %d" % id):
 706         raise Exception("Unexpected MESH_GROUP_ADD success")
 707
 708     if "FAIL" not in dev[0].request("MESH_GROUP_REMOVE foo"):
 709         raise Exception("Unexpected MESH_GROUP_REMOVE success")
 710
 711 def test_wpas_mesh_dynamic_interface(dev):
 712     """wpa_supplicant mesh with dynamic interface"""
 713     check_mesh_support(dev[0])
 714     mesh0 = None
 715     mesh1 = None
 716     try:
 717         mesh0 = dev[0].request("MESH_INTERFACE_ADD ifname=mesh0")
 718         if "FAIL" in mesh0:
 719             raise Exception("MESH_INTERFACE_ADD failed")
 720         mesh1 = dev[1].request("MESH_INTERFACE_ADD")
 721         if "FAIL" in mesh1:
 722             raise Exception("MESH_INTERFACE_ADD failed")
 723
 724         wpas0 = WpaSupplicant(ifname=mesh0)
 725         wpas1 = WpaSupplicant(ifname=mesh1)
 726         logger.info(mesh0 + " address " + wpas0.get_status_field("address"))
 727         logger.info(mesh1 + " address " + wpas1.get_status_field("address"))
 728
 729         add_open_mesh_network(wpas0)
 730         add_open_mesh_network(wpas1)
 731         check_mesh_joined_connected([wpas0, wpas1], connectivity=True)
 732
 733         # Must not allow MESH_GROUP_REMOVE on dynamic interface
 734         if "FAIL" not in wpas0.request("MESH_GROUP_REMOVE " + mesh0):
 735             raise Exception("Invalid MESH_GROUP_REMOVE accepted")
 736         if "FAIL" not in wpas1.request("MESH_GROUP_REMOVE " + mesh1):
 737             raise Exception("Invalid MESH_GROUP_REMOVE accepted")
 738
 739         # Must not allow MESH_GROUP_REMOVE on another radio interface
 740         if "FAIL" not in wpas0.request("MESH_GROUP_REMOVE " + mesh1):
 741             raise Exception("Invalid MESH_GROUP_REMOVE accepted")
 742         if "FAIL" not in wpas1.request("MESH_GROUP_REMOVE " + mesh0):
 743             raise Exception("Invalid MESH_GROUP_REMOVE accepted")
 744
 745         wpas0.remove_ifname()
 746         wpas1.remove_ifname()
 747
 748         if "OK" not in dev[0].request("MESH_GROUP_REMOVE " + mesh0):
 749             raise Exception("MESH_GROUP_REMOVE failed")
 750         if "OK" not in dev[1].request("MESH_GROUP_REMOVE " + mesh1):
 751             raise Exception("MESH_GROUP_REMOVE failed")
 752
 753         if "FAIL" not in dev[0].request("MESH_GROUP_REMOVE " + mesh0):
 754             raise Exception("Invalid MESH_GROUP_REMOVE accepted")
 755         if "FAIL" not in dev[1].request("MESH_GROUP_REMOVE " + mesh1):
 756             raise Exception("Invalid MESH_GROUP_REMOVE accepted")
 757
 758         logger.info("Make sure another dynamic group can be added")
 759         mesh0 = dev[0].request("MESH_INTERFACE_ADD ifname=mesh0")
 760         if "FAIL" in mesh0:
 761             raise Exception("MESH_INTERFACE_ADD failed")
 762         mesh1 = dev[1].request("MESH_INTERFACE_ADD")
 763         if "FAIL" in mesh1:
 764             raise Exception("MESH_INTERFACE_ADD failed")
 765
 766         wpas0 = WpaSupplicant(ifname=mesh0)
 767         wpas1 = WpaSupplicant(ifname=mesh1)
 768         logger.info(mesh0 + " address " + wpas0.get_status_field("address"))
 769         logger.info(mesh1 + " address " + wpas1.get_status_field("address"))
 770
 771         add_open_mesh_network(wpas0)
 772         add_open_mesh_network(wpas1)
 773         check_mesh_joined_connected([wpas0, wpas1], connectivity=True)
 774     finally:
 775         if mesh0:
 776             dev[0].request("MESH_GROUP_REMOVE " + mesh0)
 777         if mesh1:
 778             dev[1].request("MESH_GROUP_REMOVE " + mesh1)
 779
 780 def test_wpas_mesh_dynamic_interface_remove(dev):
 781     """wpa_supplicant mesh with dynamic interface and removal"""
 782     wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
 783     wpas.interface_add("wlan5")
 784     check_mesh_support(wpas)
 785     mesh5 = wpas.request("MESH_INTERFACE_ADD ifname=mesh5")
 786     if "FAIL" in mesh5:
 787         raise Exception("MESH_INTERFACE_ADD failed")
 788
 789     wpas5 = WpaSupplicant(ifname=mesh5)
 790     logger.info(mesh5 + " address " + wpas5.get_status_field("address"))
 791     add_open_mesh_network(wpas5)
 792     add_open_mesh_network(dev[0])
 793     check_mesh_joined_connected([wpas5, dev[0]], connectivity=True)
 794
 795     # Remove the main interface while mesh interface is in use
 796     wpas.interface_remove("wlan5")
 797
 798 def test_wpas_mesh_max_peering(dev, apdev, params):
 799     """Mesh max peering limit"""
 800     check_mesh_support(dev[0])
 801     try:
 802         dev[0].request("SET max_peer_links 1")
 803
 804         # first, connect dev[0] and dev[1]
 805         add_open_mesh_network(dev[0])
 806         add_open_mesh_network(dev[1])
 807         for i in range(2):
 808             ev = dev[i].wait_event(["MESH-PEER-CONNECTED"])
 809             if ev is None:
 810                 raise Exception("dev%d did not connect with any peer" % i)
 811
 812         # add dev[2] which will try to connect with both dev[0] and dev[1],
 813         # but can complete connection only with dev[1]
 814         add_open_mesh_network(dev[2])
 815         for i in range(1, 3):
 816             ev = dev[i].wait_event(["MESH-PEER-CONNECTED"])
 817             if ev is None:
 818                 raise Exception("dev%d did not connect the second peer" % i)
 819
 820         ev = dev[0].wait_event(["MESH-PEER-CONNECTED"], timeout=1)
 821         if ev is not None:
 822             raise Exception("dev0 connection beyond max peering limit")
 823
 824         ev = dev[2].wait_event(["MESH-PEER-CONNECTED"], timeout=0.1)
 825         if ev is not None:
 826             raise Exception("dev2 reported unexpected peering: " + ev)
 827
 828         for i in range(3):
 829             dev[i].mesh_group_remove()
 830             check_mesh_group_removed(dev[i])
 831     finally:
 832         dev[0].request("SET max_peer_links 99")
 833
 834     addr0 = dev[0].own_addr()
 835     addr1 = dev[1].own_addr()
 836     addr2 = dev[2].own_addr()
 837
 838     capfile = os.path.join(params['logdir'], "hwsim0.pcapng")
 839     filt = "wlan.fc.type_subtype == 8"
 840     out = run_tshark(capfile, filt, [ "wlan.sa", "wlan.mesh.config.cap" ])
 841     pkts = out.splitlines()
 842     one = [ 0, 0, 0 ]
 843     zero = [ 0, 0, 0 ]
 844     all_cap_one = True
 845     for pkt in pkts:
 846         addr, cap = pkt.split('\t')
 847         cap = int(cap, 16)
 848         if cap != 1:
 849             all_cap_one = False
 850         if addr == addr0:
 851             idx = 0
 852         elif addr == addr1:
 853             idx = 1
 854         elif addr == addr2:
 855             idx = 2
 856         else:
 857             continue
 858         if cap & 0x01:
 859             one[idx] += 1
 860         else:
 861             zero[idx] += 1
 862     logger.info("one: " + str(one))
 863     logger.info("zero: " + str(zero))
 864     if all_cap_one:
 865         # It looks like tshark parser was broken at some point for
 866         # wlan.mesh.config.cap which is now (tshark 2.6.3) pointing to incorrect
 867         # field (same as wlan.mesh.config.ps_protocol). This used to work with
 868         # tshark 2.2.6.
 869         #
 870         # For now, assume the capability field ends up being the last octet of
 871         # the frame.
 872         one = [ 0, 0, 0 ]
 873         zero = [ 0, 0, 0 ]
 874         addrs = [ addr0, addr1, addr2 ]
 875         for idx in range(3):
 876             addr = addrs[idx]
 877             out = run_tshark_json(capfile, filt + " && wlan.sa == " + addr)
 878             pkts = json.loads(out)
 879             for pkt in pkts:
 880                 frame = pkt["_source"]["layers"]["frame_raw"][0]
 881                 cap = int(frame[-2:], 16)
 882                 if cap & 0x01:
 883                     one[idx] += 1
 884                 else:
 885                     zero[idx] += 1
 886         logger.info("one: " + str(one))
 887         logger.info("zero: " + str(zero))
 888     if zero[0] == 0:
 889         raise Exception("Accepting Additional Mesh Peerings not cleared")
 890     if one[0] == 0:
 891         raise Exception("Accepting Additional Mesh Peerings was not set in the first Beacon frame")
 892     if zero[1] > 0 or zero[2] > 0 or one[1] == 0 or one[2] == 0:
 893         raise Exception("Unexpected value in Accepting Additional Mesh Peerings from other STAs")
 894
 895 def test_wpas_mesh_open_5ghz(dev, apdev):
 896     """wpa_supplicant open MESH network on 5 GHz band"""
 897     try:
 898         _test_wpas_mesh_open_5ghz(dev, apdev)
 899     finally:
 900         dev[0].request("MESH_GROUP_REMOVE " + dev[0].ifname)
 901         dev[1].request("MESH_GROUP_REMOVE " + dev[1].ifname)
 902         subprocess.call(['iw', 'reg', 'set', '00'])
 903         dev[0].flush_scan_cache()
 904         dev[1].flush_scan_cache()
 905
 906 def _test_wpas_mesh_open_5ghz(dev, apdev):
 907     check_mesh_support(dev[0])
 908     subprocess.call(['iw', 'reg', 'set', 'US'])
 909     for i in range(2):
 910         for j in range(5):
 911             ev = dev[i].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=5)
 912             if ev is None:
 913                 raise Exception("No regdom change event")
 914             if "alpha2=US" in ev:
 915                 break
 916         add_open_mesh_network(dev[i], freq="5180")
 917
 918     check_mesh_joined_connected(dev, connectivity=True)
 919
 920     dev[0].mesh_group_remove()
 921     dev[1].mesh_group_remove()
 922     check_mesh_group_removed(dev[0])
 923     check_mesh_group_removed(dev[1])
 924     dev[0].dump_monitor()
 925     dev[1].dump_monitor()
 926
 927 def test_wpas_mesh_open_5ghz_coex(dev, apdev):
 928     """Mesh network on 5 GHz band and 20/40 coex change"""
 929     try:
 930         _test_wpas_mesh_open_5ghz_coex(dev, apdev)
 931     finally:
 932         dev[0].request("MESH_GROUP_REMOVE " + dev[0].ifname)
 933         dev[1].request("MESH_GROUP_REMOVE " + dev[1].ifname)
 934         set_world_reg(apdev0=apdev[0], dev0=dev[0])
 935         dev[0].flush_scan_cache()
 936         dev[1].flush_scan_cache()
 937
 938 def _test_wpas_mesh_open_5ghz_coex(dev, apdev):
 939     check_mesh_support(dev[0])
 940     subprocess.call(['iw', 'reg', 'set', 'US'])
 941
 942     # Start a 20 MHz BSS on channel 40 that would be the secondary channel of
 943     # HT40+ mesh on channel 36.
 944     params = { "ssid": "test-ht40",
 945                "hw_mode": "a",
 946                "channel": "40",
 947                "country_code": "US" }
 948     hapd = hostapd.add_ap(apdev[0], params)
 949     bssid = hapd.own_addr()
 950
 951     for i in range(2):
 952         for j in range(5):
 953             ev = dev[i].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=5)
 954             if ev is None:
 955                 raise Exception("No regdom change event")
 956             if "alpha2=US" in ev:
 957                 break
 958         dev[i].scan_for_bss(bssid, freq=5200)
 959         add_open_mesh_network(dev[i], freq="5180")
 960
 961     check_mesh_joined_connected(dev)
 962
 963     freq = dev[0].get_status_field("freq")
 964     if freq != "5200":
 965         raise Exception("Unexpected STATUS freq=" + freq)
 966     sig = dev[0].request("SIGNAL_POLL").splitlines()
 967     if "FREQUENCY=5200" not in sig:
 968         raise Exception("Unexpected SIGNAL_POLL output: " + str(sig))
 969
 970     hapd.disable()
 971     dev[0].mesh_group_remove()
 972     dev[1].mesh_group_remove()
 973     check_mesh_group_removed(dev[0])
 974     check_mesh_group_removed(dev[1])
 975     dev[0].dump_monitor()
 976     dev[1].dump_monitor()
 977
 978 def test_wpas_mesh_open_ht40(dev, apdev):
 979     """Mesh and HT40 support difference"""
 980     try:
 981         _test_wpas_mesh_open_ht40(dev, apdev)
 982     finally:
 983         dev[0].request("MESH_GROUP_REMOVE " + dev[0].ifname)
 984         dev[1].request("MESH_GROUP_REMOVE " + dev[1].ifname)
 985         dev[2].request("MESH_GROUP_REMOVE " + dev[2].ifname)
 986         subprocess.call(['iw', 'reg', 'set', '00'])
 987         dev[0].flush_scan_cache()
 988         dev[1].flush_scan_cache()
 989         dev[2].flush_scan_cache()
 990
 991 def _test_wpas_mesh_open_ht40(dev, apdev):
 992     check_mesh_support(dev[0])
 993     subprocess.call(['iw', 'reg', 'set', 'US'])
 994     for i in range(3):
 995         for j in range(5):
 996             ev = dev[i].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=5)
 997             if ev is None:
 998                 raise Exception("No regdom change event")
 999             if "alpha2=US" in ev:
1000                 break
1001         add_open_mesh_network(dev[i], freq="5180", disable_vht=True,
1002                               disable_ht40=(i == 2))
1003
1004     check_mesh_group_added(dev[0])
1005     check_mesh_group_added(dev[1])
1006     check_mesh_group_added(dev[2])
1007
1008     check_mesh_peer_connected(dev[0])
1009     check_mesh_peer_connected(dev[1])
1010     check_mesh_peer_connected(dev[2])
1011
1012     hwsim_utils.test_connectivity(dev[0], dev[1])
1013     hwsim_utils.test_connectivity(dev[0], dev[2])
1014     hwsim_utils.test_connectivity(dev[1], dev[2])
1015
1016     dev[0].mesh_group_remove()
1017     dev[1].mesh_group_remove()
1018     dev[2].mesh_group_remove()
1019     check_mesh_group_removed(dev[0])
1020     check_mesh_group_removed(dev[1])
1021     check_mesh_group_removed(dev[2])
1022     dev[0].dump_monitor()
1023     dev[1].dump_monitor()
1024     dev[2].dump_monitor()
1025
1026 def test_wpas_mesh_open_vht40(dev, apdev):
1027     """wpa_supplicant open MESH network on VHT 40 MHz channel"""
1028     try:
1029         _test_wpas_mesh_open_vht40(dev, apdev)
1030     finally:
1031         dev[0].request("MESH_GROUP_REMOVE " + dev[0].ifname)
1032         dev[1].request("MESH_GROUP_REMOVE " + dev[1].ifname)
1033         subprocess.call(['iw', 'reg', 'set', '00'])
1034         dev[0].flush_scan_cache()
1035         dev[1].flush_scan_cache()
1036
1037 def _test_wpas_mesh_open_vht40(dev, apdev):
1038     check_mesh_support(dev[0])
1039     subprocess.call(['iw', 'reg', 'set', 'US'])
1040     for i in range(2):
1041         for j in range(5):
1042             ev = dev[i].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=5)
1043             if ev is None:
1044                 raise Exception("No regdom change event")
1045             if "alpha2=US" in ev:
1046                 break
1047         add_open_mesh_network(dev[i], freq="5180", chwidth=0)
1048
1049     check_mesh_joined_connected(dev, connectivity=True)
1050
1051     sig = dev[0].request("SIGNAL_POLL").splitlines()
1052     if "WIDTH=40 MHz" not in sig:
1053         raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
1054     if "CENTER_FRQ1=5190" not in sig:
1055         raise Exception("Unexpected SIGNAL_POLL value(3): " + str(sig))
1056
1057     sig = dev[1].request("SIGNAL_POLL").splitlines()
1058     if "WIDTH=40 MHz" not in sig:
1059         raise Exception("Unexpected SIGNAL_POLL value(2b): " + str(sig))
1060     if "CENTER_FRQ1=5190" not in sig:
1061         raise Exception("Unexpected SIGNAL_POLL value(3b): " + str(sig))
1062
1063     dev[0].mesh_group_remove()
1064     dev[1].mesh_group_remove()
1065     check_mesh_group_removed(dev[0])
1066     check_mesh_group_removed(dev[1])
1067     dev[0].dump_monitor()
1068     dev[1].dump_monitor()
1069
1070 def test_wpas_mesh_open_vht20(dev, apdev):
1071     """wpa_supplicant open MESH network on VHT 20 MHz channel"""
1072     try:
1073         _test_wpas_mesh_open_vht20(dev, apdev)
1074     finally:
1075         dev[0].request("MESH_GROUP_REMOVE " + dev[0].ifname)
1076         dev[1].request("MESH_GROUP_REMOVE " + dev[1].ifname)
1077         subprocess.call(['iw', 'reg', 'set', '00'])
1078         dev[0].flush_scan_cache()
1079         dev[1].flush_scan_cache()
1080
1081 def _test_wpas_mesh_open_vht20(dev, apdev):
1082     check_mesh_support(dev[0])
1083     subprocess.call(['iw', 'reg', 'set', 'US'])
1084     for i in range(2):
1085         for j in range(5):
1086             ev = dev[i].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=5)
1087             if ev is None:
1088                 raise Exception("No regdom change event")
1089             if "alpha2=US" in ev:
1090                 break
1091         add_open_mesh_network(dev[i], freq="5180", chwidth=0, disable_ht40=True)
1092
1093     check_mesh_joined_connected(dev, connectivity=True)
1094
1095     sig = dev[0].request("SIGNAL_POLL").splitlines()
1096     if "WIDTH=20 MHz" not in sig:
1097         raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
1098     if "CENTER_FRQ1=5180" not in sig:
1099         raise Exception("Unexpected SIGNAL_POLL value(3): " + str(sig))
1100
1101     sig = dev[1].request("SIGNAL_POLL").splitlines()
1102     if "WIDTH=20 MHz" not in sig:
1103         raise Exception("Unexpected SIGNAL_POLL value(2b): " + str(sig))
1104     if "CENTER_FRQ1=5180" not in sig:
1105         raise Exception("Unexpected SIGNAL_POLL value(3b): " + str(sig))
1106
1107     dev[0].mesh_group_remove()
1108     dev[1].mesh_group_remove()
1109     check_mesh_group_removed(dev[0])
1110     check_mesh_group_removed(dev[1])
1111     dev[0].dump_monitor()
1112     dev[1].dump_monitor()
1113
1114 def test_wpas_mesh_open_vht_80p80(dev, apdev):
1115     """wpa_supplicant open MESH network on VHT 80+80 MHz channel"""
1116     try:
1117         _test_wpas_mesh_open_vht_80p80(dev, apdev)
1118     finally:
1119         dev[0].request("MESH_GROUP_REMOVE " + dev[0].ifname)
1120         dev[1].request("MESH_GROUP_REMOVE " + dev[1].ifname)
1121         subprocess.call(['iw', 'reg', 'set', '00'])
1122         dev[0].flush_scan_cache()
1123         dev[1].flush_scan_cache()
1124
1125 def _test_wpas_mesh_open_vht_80p80(dev, apdev):
1126     check_mesh_support(dev[0])
1127     subprocess.call(['iw', 'reg', 'set', 'US'])
1128     for i in range(2):
1129         for j in range(5):
1130             ev = dev[i].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=5)
1131             if ev is None:
1132                 raise Exception("No regdom change event")
1133             if "alpha2=US" in ev:
1134                 break
1135         add_open_mesh_network(dev[i], freq="5180", chwidth=3)
1136
1137     check_mesh_joined_connected(dev, connectivity=True)
1138
1139     sig = dev[0].request("SIGNAL_POLL").splitlines()
1140     if "WIDTH=80+80 MHz" not in sig:
1141         raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
1142     if "CENTER_FRQ1=5210" not in sig:
1143         raise Exception("Unexpected SIGNAL_POLL value(3): " + str(sig))
1144     if "CENTER_FRQ2=5775" not in sig:
1145         raise Exception("Unexpected SIGNAL_POLL value(4): " + str(sig))
1146
1147     sig = dev[1].request("SIGNAL_POLL").splitlines()
1148     if "WIDTH=80+80 MHz" not in sig:
1149         raise Exception("Unexpected SIGNAL_POLL value(2b): " + str(sig))
1150     if "CENTER_FRQ1=5210" not in sig:
1151         raise Exception("Unexpected SIGNAL_POLL value(3b): " + str(sig))
1152     if "CENTER_FRQ2=5775" not in sig:
1153         raise Exception("Unexpected SIGNAL_POLL value(4b): " + str(sig))
1154
1155     dev[0].mesh_group_remove()
1156     dev[1].mesh_group_remove()
1157     check_mesh_group_removed(dev[0])
1158     check_mesh_group_removed(dev[1])
1159     dev[0].dump_monitor()
1160     dev[1].dump_monitor()
1161
1162 def test_mesh_open_vht_160(dev, apdev):
1163     """Open mesh network on VHT 160 MHz channel"""
1164     try:
1165         _test_mesh_open_vht_160(dev, apdev)
1166     finally:
1167         dev[0].request("MESH_GROUP_REMOVE " + dev[0].ifname)
1168         dev[1].request("MESH_GROUP_REMOVE " + dev[1].ifname)
1169         subprocess.call(['iw', 'reg', 'set', '00'])
1170         dev[0].flush_scan_cache()
1171         dev[1].flush_scan_cache()
1172
1173 def _test_mesh_open_vht_160(dev, apdev):
1174     check_mesh_support(dev[0])
1175     subprocess.call(['iw', 'reg', 'set', 'ZA'])
1176     for i in range(2):
1177         for j in range(5):
1178             ev = dev[i].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=5)
1179             if ev is None:
1180                 raise Exception("No regdom change event")
1181             if "alpha2=ZA" in ev:
1182                 break
1183
1184         cmd = subprocess.Popen(["iw", "reg", "get"], stdout=subprocess.PIPE)
1185         reg = cmd.stdout.read()
1186         found = False
1187         for entry in reg.splitlines():
1188             entry = entry.decode()
1189             if "@ 160)" in entry and "DFS" not in entry:
1190                 found = True
1191                 break
1192         if not found:
1193             raise HwsimSkip("160 MHz channel without DFS not supported in regulatory information")
1194
1195         add_open_mesh_network(dev[i], freq="5520", chwidth=2)
1196
1197     check_mesh_joined_connected(dev, connectivity=True)
1198     dev[0].dump_monitor()
1199     dev[1].dump_monitor()
1200
1201     sig = dev[0].request("SIGNAL_POLL").splitlines()
1202     if "WIDTH=160 MHz" not in sig:
1203         raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
1204     if "FREQUENCY=5520" not in sig:
1205         raise Exception("Unexpected SIGNAL_POLL value(3): " + str(sig))
1206
1207     sig = dev[1].request("SIGNAL_POLL").splitlines()
1208     if "WIDTH=160 MHz" not in sig:
1209         raise Exception("Unexpected SIGNAL_POLL value(2b): " + str(sig))
1210     if "FREQUENCY=5520" not in sig:
1211         raise Exception("Unexpected SIGNAL_POLL value(3b): " + str(sig))
1212
1213     dev[0].mesh_group_remove()
1214     dev[1].mesh_group_remove()
1215     check_mesh_group_removed(dev[0])
1216     check_mesh_group_removed(dev[1])
1217     dev[0].dump_monitor()
1218     dev[1].dump_monitor()
1219
1220 def test_wpas_mesh_password_mismatch(dev, apdev):
1221     """Mesh network and one device with mismatching password"""
1222     check_mesh_support(dev[0], secure=True)
1223     dev[0].request("SET sae_groups ")
1224     id = add_mesh_secure_net(dev[0])
1225     dev[0].mesh_group_add(id)
1226
1227     dev[1].request("SET sae_groups ")
1228     id = add_mesh_secure_net(dev[1])
1229     dev[1].mesh_group_add(id)
1230
1231     dev[2].request("SET sae_groups ")
1232     id = add_mesh_secure_net(dev[2])
1233     dev[2].set_network_quoted(id, "psk", "wrong password")
1234     dev[2].mesh_group_add(id)
1235
1236     # The two peers with matching password need to be able to connect
1237     check_mesh_joined_connected(dev)
1238
1239     ev = dev[2].wait_event(["MESH-SAE-AUTH-FAILURE"], timeout=20)
1240     if ev is None:
1241         raise Exception("dev2 did not report auth failure (1)")
1242     ev = dev[2].wait_event(["MESH-SAE-AUTH-FAILURE"], timeout=20)
1243     if ev is None:
1244         raise Exception("dev2 did not report auth failure (2)")
1245     dev[2].dump_monitor()
1246
1247     count = 0
1248     ev = dev[0].wait_event(["MESH-SAE-AUTH-FAILURE"], timeout=5)
1249     if ev is None:
1250         logger.info("dev0 did not report auth failure")
1251     else:
1252         if "addr=" + dev[2].own_addr() not in ev:
1253             raise Exception("Unexpected peer address in dev0 event: " + ev)
1254         count += 1
1255     dev[0].dump_monitor()
1256
1257     ev = dev[1].wait_event(["MESH-SAE-AUTH-FAILURE"], timeout=5)
1258     if ev is None:
1259         logger.info("dev1 did not report auth failure")
1260     else:
1261         if "addr=" + dev[2].own_addr() not in ev:
1262             raise Exception("Unexpected peer address in dev1 event: " + ev)
1263         count += 1
1264     dev[1].dump_monitor()
1265
1266     hwsim_utils.test_connectivity(dev[0], dev[1])
1267
1268     for i in range(2):
1269         try:
1270             hwsim_utils.test_connectivity(dev[i], dev[2], timeout=1)
1271             raise Exception("Data connectivity test passed unexpectedly")
1272         except Exception as e:
1273             if "data delivery failed" not in str(e):
1274                 raise
1275
1276     if count == 0:
1277         raise Exception("Neither dev0 nor dev1 reported auth failure")
1278
1279 def test_wpas_mesh_password_mismatch_retry(dev, apdev, params):
1280     """Mesh password mismatch and retry [long]"""
1281     if not params['long']:
1282         raise HwsimSkip("Skip test case with long duration due to --long not specified")
1283     check_mesh_support(dev[0], secure=True)
1284     dev[0].request("SET sae_groups ")
1285     id = add_mesh_secure_net(dev[0])
1286     dev[0].mesh_group_add(id)
1287
1288     dev[1].request("SET sae_groups ")
1289     id = add_mesh_secure_net(dev[1])
1290     dev[1].set_network_quoted(id, "psk", "wrong password")
1291     dev[1].mesh_group_add(id)
1292
1293     check_mesh_joined2(dev)
1294
1295     for i in range(4):
1296         ev = dev[0].wait_event(["MESH-SAE-AUTH-FAILURE"], timeout=20)
1297         if ev is None:
1298             raise Exception("dev0 did not report auth failure (%d)" % i)
1299         ev = dev[1].wait_event(["MESH-SAE-AUTH-FAILURE"], timeout=20)
1300         if ev is None:
1301             raise Exception("dev1 did not report auth failure (%d)" % i)
1302
1303     ev = dev[0].wait_event(["MESH-SAE-AUTH-BLOCKED"], timeout=10)
1304     if ev is None:
1305         raise Exception("dev0 did not report auth blocked")
1306     ev = dev[1].wait_event(["MESH-SAE-AUTH-BLOCKED"], timeout=10)
1307     if ev is None:
1308         raise Exception("dev1 did not report auth blocked")
1309
1310 def test_mesh_wpa_auth_init_oom(dev, apdev):
1311     """Secure mesh network setup failing due to wpa_init() OOM"""
1312     check_mesh_support(dev[0], secure=True)
1313     dev[0].request("SET sae_groups ")
1314     with alloc_fail(dev[0], 1, "wpa_init"):
1315         id = add_mesh_secure_net(dev[0])
1316         dev[0].mesh_group_add(id)
1317         ev = dev[0].wait_event(["MESH-GROUP-STARTED"], timeout=0.2)
1318         if ev is not None:
1319             raise Exception("Unexpected mesh group start during OOM")
1320
1321 def test_mesh_wpa_init_fail(dev, apdev):
1322     """Secure mesh network setup local failure"""
1323     check_mesh_support(dev[0], secure=True)
1324     dev[0].request("SET sae_groups ")
1325
1326     with fail_test(dev[0], 1, "os_get_random;=__mesh_rsn_auth_init"):
1327         id = add_mesh_secure_net(dev[0])
1328         dev[0].mesh_group_add(id)
1329         wait_fail_trigger(dev[0], "GET_FAIL")
1330
1331     dev[0].dump_monitor()
1332     with alloc_fail(dev[0], 1, "mesh_rsn_auth_init"):
1333         id = add_mesh_secure_net(dev[0])
1334         dev[0].mesh_group_add(id)
1335         wait_fail_trigger(dev[0], "GET_ALLOC_FAIL")
1336
1337     dev[0].dump_monitor()
1338     with fail_test(dev[0], 1, "os_get_random;mesh_rsn_init_ampe_sta"):
1339         id = add_mesh_secure_net(dev[0])
1340         dev[0].mesh_group_add(id)
1341         dev[1].request("SET sae_groups ")
1342         id = add_mesh_secure_net(dev[1])
1343         dev[1].mesh_group_add(id)
1344         wait_fail_trigger(dev[0], "GET_FAIL")
1345
1346 def test_wpas_mesh_reconnect(dev, apdev):
1347     """Secure mesh network plink counting during reconnection"""
1348     check_mesh_support(dev[0])
1349     try:
1350         _test_wpas_mesh_reconnect(dev)
1351     finally:
1352         dev[0].request("SET max_peer_links 99")
1353
1354 def _test_wpas_mesh_reconnect(dev):
1355     dev[0].request("SET max_peer_links 2")
1356     dev[0].request("SET sae_groups ")
1357     id = add_mesh_secure_net(dev[0])
1358     dev[0].set_network(id, "beacon_int", "100")
1359     dev[0].mesh_group_add(id)
1360     dev[1].request("SET sae_groups ")
1361     id = add_mesh_secure_net(dev[1])
1362     dev[1].mesh_group_add(id)
1363     check_mesh_joined_connected(dev)
1364
1365     for i in range(3):
1366         # Drop incoming management frames to avoid handling link close
1367         dev[0].request("SET ext_mgmt_frame_handling 1")
1368         dev[1].mesh_group_remove()
1369         check_mesh_group_removed(dev[1])
1370         dev[1].request("FLUSH")
1371         dev[0].request("SET ext_mgmt_frame_handling 0")
1372         id = add_mesh_secure_net(dev[1])
1373         dev[1].mesh_group_add(id)
1374         check_mesh_group_added(dev[1])
1375         check_mesh_peer_connected(dev[1])
1376         dev[0].dump_monitor()
1377         dev[1].dump_monitor()
1378
1379 def test_wpas_mesh_gate_forwarding(dev, apdev, p):
1380     """Mesh forwards traffic to unknown sta to mesh gates"""
1381     addr0 = dev[0].own_addr()
1382     addr1 = dev[1].own_addr()
1383     addr2 = dev[2].own_addr()
1384     external_sta = '02:11:22:33:44:55'
1385
1386     # start 3 node connected mesh
1387     check_mesh_support(dev[0])
1388     for i in range(3):
1389         add_open_mesh_network(dev[i])
1390         check_mesh_group_added(dev[i])
1391     for i in range(3):
1392         check_mesh_peer_connected(dev[i])
1393
1394     hwsim_utils.test_connectivity(dev[0], dev[1])
1395     hwsim_utils.test_connectivity(dev[1], dev[2])
1396     hwsim_utils.test_connectivity(dev[0], dev[2])
1397
1398     # dev0 and dev1 are mesh gates
1399     subprocess.call(['iw', 'dev', dev[0].ifname, 'set', 'mesh_param',
1400                      'mesh_gate_announcements=1'])
1401     subprocess.call(['iw', 'dev', dev[1].ifname, 'set', 'mesh_param',
1402                      'mesh_gate_announcements=1'])
1403
1404     # wait for gate announcement frames
1405     time.sleep(1)
1406
1407     # data frame from dev2 -> external sta should be sent to both gates
1408     dev[2].request("DATA_TEST_CONFIG 1")
1409     dev[2].request("DATA_TEST_TX {} {} 0".format(external_sta, addr2))
1410     dev[2].request("DATA_TEST_CONFIG 0")
1411
1412     capfile = os.path.join(p['logdir'], "hwsim0.pcapng")
1413     filt = "wlan.sa==%s && wlan_mgt.fixed.mesh_addr5==%s" % (addr2,
1414                                                              external_sta)
1415     for i in range(15):
1416         da = run_tshark(capfile, filt, [ "wlan.da" ])
1417         if addr0 in da and addr1 in da:
1418             logger.debug("Frames seen in tshark iteration %d" % i)
1419             break
1420         time.sleep(0.3)
1421
1422     if addr0 not in da:
1423         raise Exception("Frame to gate %s not observed" % addr0)
1424     if addr1 not in da:
1425         raise Exception("Frame to gate %s not observed" % addr1)
1426
1427 def test_wpas_mesh_pmksa_caching(dev, apdev):
1428     """Secure mesh network and PMKSA caching"""
1429     check_mesh_support(dev[0], secure=True)
1430     dev[0].request("SET sae_groups ")
1431     id = add_mesh_secure_net(dev[0])
1432     dev[0].mesh_group_add(id)
1433
1434     dev[1].request("SET sae_groups ")
1435     id = add_mesh_secure_net(dev[1])
1436     dev[1].mesh_group_add(id)
1437
1438     check_mesh_joined_connected(dev)
1439
1440     addr0 = dev[0].own_addr()
1441     addr1 = dev[1].own_addr()
1442     pmksa0 = dev[0].get_pmksa(addr1)
1443     pmksa1 = dev[1].get_pmksa(addr0)
1444     if pmksa0 is None or pmksa1 is None:
1445         raise Exception("No PMKSA cache entry created")
1446     if pmksa0['pmkid'] != pmksa1['pmkid']:
1447         raise Exception("PMKID mismatch in PMKSA cache entries")
1448
1449     if "OK" not in dev[0].request("MESH_PEER_REMOVE " + addr1):
1450         raise Exception("Failed to remove peer")
1451     pmksa0b = dev[0].get_pmksa(addr1)
1452     if pmksa0b is None:
1453         raise Exception("PMKSA cache entry not maintained")
1454     time.sleep(0.1)
1455
1456     if "FAIL" not in dev[0].request("MESH_PEER_ADD " + addr1):
1457         raise Exception("MESH_PEER_ADD unexpectedly succeeded in no_auto_peer=0 case")
1458
1459 def test_wpas_mesh_pmksa_caching2(dev, apdev):
1460     """Secure mesh network and PMKSA caching with no_auto_peer=1"""
1461     check_mesh_support(dev[0], secure=True)
1462     addr0 = dev[0].own_addr()
1463     addr1 = dev[1].own_addr()
1464     dev[0].request("SET sae_groups ")
1465     id = add_mesh_secure_net(dev[0])
1466     dev[0].set_network(id, "no_auto_peer", "1")
1467     dev[0].mesh_group_add(id)
1468
1469     dev[1].request("SET sae_groups ")
1470     id = add_mesh_secure_net(dev[1])
1471     dev[1].set_network(id, "no_auto_peer", "1")
1472     dev[1].mesh_group_add(id)
1473
1474     check_mesh_joined2(dev)
1475
1476     # Check for peer connected
1477     ev = dev[0].wait_event(["will not initiate new peer link"], timeout=10)
1478     if ev is None:
1479         raise Exception("Missing no-initiate message")
1480     if "OK" not in dev[0].request("MESH_PEER_ADD " + addr1):
1481         raise Exception("MESH_PEER_ADD failed")
1482     check_mesh_connected2(dev)
1483
1484     pmksa0 = dev[0].get_pmksa(addr1)
1485     pmksa1 = dev[1].get_pmksa(addr0)
1486     if pmksa0 is None or pmksa1 is None:
1487         raise Exception("No PMKSA cache entry created")
1488     if pmksa0['pmkid'] != pmksa1['pmkid']:
1489         raise Exception("PMKID mismatch in PMKSA cache entries")
1490
1491     if "OK" not in dev[0].request("MESH_PEER_REMOVE " + addr1):
1492         raise Exception("Failed to remove peer")
1493     pmksa0b = dev[0].get_pmksa(addr1)
1494     if pmksa0b is None:
1495         raise Exception("PMKSA cache entry not maintained")
1496
1497     ev = dev[0].wait_event(["will not initiate new peer link"], timeout=10)
1498     if ev is None:
1499         raise Exception("Missing no-initiate message (2)")
1500     if "OK" not in dev[0].request("MESH_PEER_ADD " + addr1):
1501         raise Exception("MESH_PEER_ADD failed (2)")
1502     check_mesh_connected2(dev)
1503
1504     pmksa0c = dev[0].get_pmksa(addr1)
1505     pmksa1c = dev[1].get_pmksa(addr0)
1506     if pmksa0c is None or pmksa1c is None:
1507         raise Exception("No PMKSA cache entry created (2)")
1508     if pmksa0c['pmkid'] != pmksa1c['pmkid']:
1509         raise Exception("PMKID mismatch in PMKSA cache entries")
1510     if pmksa0['pmkid'] != pmksa0c['pmkid']:
1511         raise Exception("PMKID changed")
1512
1513     hwsim_utils.test_connectivity(dev[0], dev[1])
1514
1515 def test_wpas_mesh_pmksa_caching_no_match(dev, apdev):
1516     """Secure mesh network and PMKSA caching with no PMKID match"""
1517     check_mesh_support(dev[0], secure=True)
1518     addr0 = dev[0].own_addr()
1519     addr1 = dev[1].own_addr()
1520     dev[0].request("SET sae_groups ")
1521     id = add_mesh_secure_net(dev[0])
1522     dev[0].set_network(id, "no_auto_peer", "1")
1523     dev[0].mesh_group_add(id)
1524
1525     dev[1].request("SET sae_groups ")
1526     id = add_mesh_secure_net(dev[1])
1527     dev[1].set_network(id, "no_auto_peer", "1")
1528     dev[1].mesh_group_add(id)
1529
1530     check_mesh_joined2(dev)
1531
1532     # Check for peer connected
1533     ev = dev[0].wait_event(["will not initiate new peer link"], timeout=10)
1534     if ev is None:
1535         raise Exception("Missing no-initiate message")
1536     if "OK" not in dev[0].request("MESH_PEER_ADD " + addr1):
1537         raise Exception("MESH_PEER_ADD failed")
1538     check_mesh_connected2(dev)
1539
1540     pmksa0 = dev[0].get_pmksa(addr1)
1541     pmksa1 = dev[1].get_pmksa(addr0)
1542     if pmksa0 is None or pmksa1 is None:
1543         raise Exception("No PMKSA cache entry created")
1544     if pmksa0['pmkid'] != pmksa1['pmkid']:
1545         raise Exception("PMKID mismatch in PMKSA cache entries")
1546
1547     if "OK" not in dev[0].request("MESH_PEER_REMOVE " + addr1):
1548         raise Exception("Failed to remove peer")
1549
1550     if "OK" not in dev[1].request("PMKSA_FLUSH"):
1551         raise Exception("Failed to flush PMKSA cache")
1552
1553     ev = dev[0].wait_event(["will not initiate new peer link"], timeout=10)
1554     if ev is None:
1555         raise Exception("Missing no-initiate message (2)")
1556     if "OK" not in dev[0].request("MESH_PEER_ADD " + addr1):
1557         raise Exception("MESH_PEER_ADD failed (2)")
1558     check_mesh_connected2(dev)
1559
1560     pmksa0c = dev[0].get_pmksa(addr1)
1561     pmksa1c = dev[1].get_pmksa(addr0)
1562     if pmksa0c is None or pmksa1c is None:
1563         raise Exception("No PMKSA cache entry created (2)")
1564     if pmksa0c['pmkid'] != pmksa1c['pmkid']:
1565         raise Exception("PMKID mismatch in PMKSA cache entries")
1566     if pmksa0['pmkid'] == pmksa0c['pmkid']:
1567         raise Exception("PMKID did not change")
1568
1569     hwsim_utils.test_connectivity(dev[0], dev[1])
1570
1571 def test_mesh_pmksa_caching_oom(dev, apdev):
1572     """Secure mesh network and PMKSA caching failing due to OOM"""
1573     check_mesh_support(dev[0], secure=True)
1574     addr0 = dev[0].own_addr()
1575     addr1 = dev[1].own_addr()
1576     dev[0].request("SET sae_groups ")
1577     id = add_mesh_secure_net(dev[0])
1578     dev[0].set_network(id, "no_auto_peer", "1")
1579     dev[0].mesh_group_add(id)
1580
1581     dev[1].request("SET sae_groups ")
1582     id = add_mesh_secure_net(dev[1])
1583     dev[1].set_network(id, "no_auto_peer", "1")
1584     dev[1].mesh_group_add(id)
1585
1586     check_mesh_joined2(dev)
1587
1588     # Check for peer connected
1589     ev = dev[0].wait_event(["will not initiate new peer link"], timeout=10)
1590     if ev is None:
1591         raise Exception("Missing no-initiate message")
1592     if "OK" not in dev[0].request("MESH_PEER_ADD " + addr1):
1593         raise Exception("MESH_PEER_ADD failed")
1594     check_mesh_connected2(dev)
1595
1596     if "OK" not in dev[0].request("MESH_PEER_REMOVE " + addr1):
1597         raise Exception("Failed to remove peer")
1598     pmksa0b = dev[0].get_pmksa(addr1)
1599     if pmksa0b is None:
1600         raise Exception("PMKSA cache entry not maintained")
1601
1602     ev = dev[0].wait_event(["will not initiate new peer link"], timeout=10)
1603     if ev is None:
1604         raise Exception("Missing no-initiate message (2)")
1605
1606     with alloc_fail(dev[0], 1, "wpa_auth_sta_init;mesh_rsn_auth_sae_sta"):
1607         if "OK" not in dev[0].request("MESH_PEER_ADD " + addr1):
1608             raise Exception("MESH_PEER_ADD failed (2)")
1609         wait_fail_trigger(dev[0], "GET_ALLOC_FAIL")
1610
1611 def test_wpas_mesh_pmksa_caching_ext(dev, apdev):
1612     """Secure mesh network and PMKSA caching and external storage"""
1613     check_mesh_support(dev[0], secure=True)
1614     dev[0].request("SET sae_groups ")
1615     id = add_mesh_secure_net(dev[0])
1616     dev[0].mesh_group_add(id)
1617
1618     dev[1].request("SET sae_groups ")
1619     id = add_mesh_secure_net(dev[1])
1620     dev[1].mesh_group_add(id)
1621
1622     check_mesh_joined_connected(dev)
1623     dev[0].dump_monitor()
1624     dev[1].dump_monitor()
1625
1626     addr0 = dev[0].own_addr()
1627     addr1 = dev[1].own_addr()
1628     pmksa0 = dev[0].get_pmksa(addr1)
1629     pmksa1 = dev[1].get_pmksa(addr0)
1630     if pmksa0 is None or pmksa1 is None:
1631         raise Exception("No PMKSA cache entry created")
1632     if pmksa0['pmkid'] != pmksa1['pmkid']:
1633         raise Exception("PMKID mismatch in PMKSA cache entries")
1634
1635     res1 = dev[1].request("MESH_PMKSA_GET any")
1636     res2 = dev[1].request("MESH_PMKSA_GET " + addr0)
1637     logger.info("MESH_PMKSA_GET: " + res1)
1638     if "UNKNOWN COMMAND" in res1:
1639         raise HwsimSkip("MESH_PMKSA_GET not supported in the build")
1640     logger.info("MESH_PMKSA_GET: " + res2)
1641     if pmksa0['pmkid'] not in res1:
1642         raise Exception("PMKID not included in PMKSA entry")
1643     if res1 != res2:
1644         raise Exception("Unexpected difference in MESH_PMKSA_GET output")
1645
1646     dev[1].mesh_group_remove()
1647     check_mesh_group_removed(dev[1])
1648     dev[0].dump_monitor()
1649     dev[1].dump_monitor()
1650     res = dev[1].get_pmksa(addr0)
1651     if res is not None:
1652         raise Exception("Unexpected PMKSA cache entry remaining")
1653
1654     if "OK" not in dev[1].request("MESH_PMKSA_ADD " + res2):
1655         raise Exception("MESH_PMKSA_ADD failed")
1656     dev[1].mesh_group_add(id)
1657     check_mesh_group_added(dev[1])
1658     check_mesh_peer_connected(dev[1])
1659     dev[0].dump_monitor()
1660     dev[1].dump_monitor()
1661     pmksa1b = dev[1].get_pmksa(addr0)
1662     if pmksa1b is None:
1663         raise Exception("No PMKSA cache entry created after external storage restore")
1664     if pmksa1['pmkid'] != pmksa1b['pmkid']:
1665         raise Exception("PMKID mismatch in PMKSA cache entries after external storage restore")
1666
1667     hwsim_utils.test_connectivity(dev[0], dev[1])
1668
1669     res = dev[1].request("MESH_PMKSA_GET foo")
1670     if "FAIL" not in res:
1671         raise Exception("Invalid MESH_PMKSA_GET accepted")
1672
1673     dev[1].mesh_group_remove()
1674     check_mesh_group_removed(dev[1])
1675     dev[0].dump_monitor()
1676     dev[1].dump_monitor()
1677     dev[1].request("REMOVE_NETWORK all")
1678     res = dev[1].request("MESH_PMKSA_GET any")
1679     if "FAIL" not in res:
1680         raise Exception("MESH_PMKSA_GET accepted when not in mesh")
1681
1682     tests = [ "foo",
1683               "02:02:02:02:02:02",
1684               "02:02:02:02:02:02 q",
1685               "02:02:02:02:02:02 c3d51a7ccfca0c6d5287291a7169d79b",
1686               "02:02:02:02:02:02 c3d51a7ccfca0c6d5287291a7169d79b q",
1687               "02:02:02:02:02:02 c3d51a7ccfca0c6d5287291a7169d79b 1bed4fa22ece7997ca1bdc8b829019fe63acac91cba3405522c24c91f7cfb49f",
1688               "02:02:02:02:02:02 c3d51a7ccfca0c6d5287291a7169d79b 1bed4fa22ece7997ca1bdc8b829019fe63acac91cba3405522c24c91f7cfb49f q" ]
1689     for t in tests:
1690         if "FAIL" not in dev[1].request("MESH_PMKSA_ADD " + t):
1691             raise Exception("Invalid MESH_PMKSA_ADD accepted")
1692
1693 def test_mesh_oom(dev, apdev):
1694     """Mesh network setup failing due to OOM"""
1695     check_mesh_support(dev[0], secure=True)
1696     dev[0].request("SET sae_groups ")
1697
1698     with alloc_fail(dev[0], 1, "mesh_config_create"):
1699         add_open_mesh_network(dev[0])
1700         ev = dev[0].wait_event(["Failed to init mesh"])
1701         if ev is None:
1702             raise Exception("Init failure not reported")
1703
1704     with alloc_fail(dev[0], 2, "=wpa_supplicant_mesh_init"):
1705         add_open_mesh_network(dev[0], basic_rates="60 120 240")
1706         ev = dev[0].wait_event(["Failed to init mesh"])
1707         if ev is None:
1708             raise Exception("Init failure not reported")
1709
1710     for i in range(1, 66):
1711         dev[0].dump_monitor()
1712         logger.info("Test instance %d" % i)
1713         try:
1714             with alloc_fail(dev[0], i, "wpa_supplicant_mesh_init"):
1715                 add_open_mesh_network(dev[0])
1716                 wait_fail_trigger(dev[0], "GET_ALLOC_FAIL")
1717                 ev = dev[0].wait_event(["Failed to init mesh",
1718                                         "MESH-GROUP-STARTED"])
1719                 if ev is None:
1720                     raise Exception("Init failure not reported")
1721         except Exception as e:
1722             if i < 15:
1723                 raise
1724             logger.info("Ignore no-oom for i=%d" % i)
1725
1726     with alloc_fail(dev[0], 2, "=wpa_supplicant_mesh_init"):
1727         id = add_mesh_secure_net(dev[0])
1728         dev[0].mesh_group_add(id)
1729         ev = dev[0].wait_event(["Failed to init mesh"])
1730         if ev is None:
1731             raise Exception("Init failure not reported")
1732
1733 def test_mesh_add_interface_oom(dev):
1734     """wpa_supplicant mesh with dynamic interface addition failing"""
1735     check_mesh_support(dev[0])
1736     for i in range(1, 3):
1737         mesh = None
1738         try:
1739             with alloc_fail(dev[0], i, "wpas_mesh_add_interface"):
1740                 mesh = dev[0].request("MESH_INTERFACE_ADD").strip()
1741         finally:
1742             if mesh and mesh != "FAIL":
1743                 dev[0].request("MESH_GROUP_REMOVE " + mesh)
1744
1745 def test_mesh_scan_oom(dev):
1746     """wpa_supplicant mesh scan results and OOM"""
1747     check_mesh_support(dev[0])
1748     add_open_mesh_network(dev[0])
1749     check_mesh_group_added(dev[0])
1750     for i in range(5):
1751         dev[1].scan(freq="2412")
1752         res = dev[1].request("SCAN_RESULTS")
1753         if "[MESH]" in res:
1754             break
1755     for r in res.splitlines():
1756         if "[MESH]" in r:
1757             break
1758     bssid = r.split('\t')[0]
1759
1760     bss = dev[1].get_bss(bssid)
1761     if bss is None:
1762         raise Exception("Could not get BSS entry for mesh")
1763
1764     for i in range(1, 3):
1765         with alloc_fail(dev[1], i, "mesh_attr_text"):
1766             bss = dev[1].get_bss(bssid)
1767             if bss and "mesh_id" in bss:
1768                 raise Exception("Unexpected BSS result during OOM")
1769
1770 def test_mesh_drv_fail(dev, apdev):
1771     """Mesh network setup failing due to driver command failure"""
1772     check_mesh_support(dev[0], secure=True)
1773     dev[0].request("SET sae_groups ")
1774
1775     with fail_test(dev[0], 1, "nl80211_join_mesh"):
1776         add_open_mesh_network(dev[0])
1777         ev = dev[0].wait_event(["mesh join error"])
1778         if ev is None:
1779             raise Exception("Join failure not reported")
1780
1781     dev[0].dump_monitor()
1782     with fail_test(dev[0], 1, "wpa_driver_nl80211_if_add"):
1783         if "FAIL" not in dev[0].request("MESH_INTERFACE_ADD").strip():
1784             raise Exception("Interface added unexpectedly")
1785
1786     dev[0].dump_monitor()
1787     with fail_test(dev[0], 1, "wpa_driver_nl80211_init_mesh"):
1788         add_open_mesh_network(dev[0])
1789         ev = dev[0].wait_event(["Could not join mesh"])
1790         if ev is None:
1791             raise Exception("Join failure not reported")
1792
1793 def test_mesh_sae_groups_invalid(dev, apdev):
1794     """Mesh with invalid SAE group configuration"""
1795     check_mesh_support(dev[0], secure=True)
1796
1797     dev[0].request("SET sae_groups 26")
1798     id = add_mesh_secure_net(dev[0])
1799     dev[0].mesh_group_add(id)
1800
1801     dev[1].request("SET sae_groups 123 122 121")
1802     id = add_mesh_secure_net(dev[1])
1803     dev[1].mesh_group_add(id)
1804
1805     check_mesh_joined2(dev)
1806
1807     ev = dev[0].wait_event(["new peer notification"], timeout=10)
1808     if ev is None:
1809         raise Exception("dev[0] did not see peer")
1810     ev = dev[1].wait_event(["new peer notification"], timeout=10)
1811     if ev is None:
1812         raise Exception("dev[1] did not see peer")
1813
1814     ev = dev[0].wait_event(["MESH-PEER-CONNECTED"], timeout=0.1)
1815     if ev is not None:
1816         raise Exception("Unexpected connection(0)")
1817
1818     ev = dev[1].wait_event(["MESH-PEER-CONNECTED"], timeout=0.01)
1819     if ev is not None:
1820         raise Exception("Unexpected connection(1)")
1821
1822     # Additional coverage in mesh_rsn_sae_group() with non-zero
1823     # wpa_s->mesh_rsn->sae_group_index.
1824     dev[0].dump_monitor()
1825     dev[1].dump_monitor()
1826     id = add_mesh_secure_net(dev[2])
1827     dev[2].mesh_group_add(id)
1828     check_mesh_group_added(dev[2])
1829     check_mesh_peer_connected(dev[0])
1830     check_mesh_peer_connected(dev[2])
1831     ev = dev[1].wait_event(["new peer notification"], timeout=10)
1832     if ev is None:
1833         raise Exception("dev[1] did not see peer(2)")
1834     dev[0].dump_monitor()
1835     dev[1].dump_monitor()
1836     dev[2].dump_monitor()
1837
1838     dev[0].request("SET sae_groups ")
1839     dev[1].request("SET sae_groups ")
1840
1841 def test_mesh_sae_failure(dev, apdev):
1842     """Mesh and local SAE failures"""
1843     check_mesh_support(dev[0], secure=True)
1844
1845     dev[0].request("SET sae_groups ")
1846     dev[1].request("SET sae_groups ")
1847
1848     funcs = [ (1, "=mesh_rsn_auth_sae_sta", True),
1849               (1, "mesh_rsn_build_sae_commit;mesh_rsn_auth_sae_sta", False),
1850               (1, "auth_sae_init_committed;mesh_rsn_auth_sae_sta", True),
1851               (1, "=mesh_rsn_protect_frame", True),
1852               (2, "=mesh_rsn_protect_frame", True),
1853               (1, "aes_siv_encrypt;mesh_rsn_protect_frame", True),
1854               (1, "=mesh_rsn_process_ampe", True),
1855               (1, "aes_siv_decrypt;mesh_rsn_process_ampe", True) ]
1856     for count, func, success in funcs:
1857         id = add_mesh_secure_net(dev[0])
1858         dev[0].mesh_group_add(id)
1859
1860         with alloc_fail(dev[1], count, func):
1861             id = add_mesh_secure_net(dev[1])
1862             dev[1].mesh_group_add(id)
1863             check_mesh_joined2(dev)
1864             if success:
1865                 # retry is expected to work
1866                 check_mesh_connected2(dev)
1867             else:
1868                 wait_fail_trigger(dev[1], "GET_ALLOC_FAIL")
1869         dev[0].mesh_group_remove()
1870         dev[1].mesh_group_remove()
1871         check_mesh_group_removed(dev[0])
1872         check_mesh_group_removed(dev[1])
1873
1874 def test_mesh_failure(dev, apdev):
1875     """Mesh and local failures"""
1876     check_mesh_support(dev[0])
1877
1878     funcs = [ (1, "ap_sta_add;mesh_mpm_add_peer", True),
1879               (1, "wpabuf_alloc;mesh_mpm_send_plink_action", True) ]
1880     for count, func, success in funcs:
1881         add_open_mesh_network(dev[0])
1882
1883         with alloc_fail(dev[1], count, func):
1884             add_open_mesh_network(dev[1])
1885             check_mesh_joined2(dev)
1886             if success:
1887                 # retry is expected to work
1888                 check_mesh_connected2(dev)
1889             else:
1890                 wait_fail_trigger(dev[1], "GET_ALLOC_FAIL")
1891         dev[0].mesh_group_remove()
1892         dev[1].mesh_group_remove()
1893         check_mesh_group_removed(dev[0])
1894         check_mesh_group_removed(dev[1])
1895
1896     funcs = [ (1, "mesh_mpm_init_link", True) ]
1897     for count, func, success in funcs:
1898         add_open_mesh_network(dev[0])
1899
1900         with fail_test(dev[1], count, func):
1901             add_open_mesh_network(dev[1])
1902             check_mesh_joined2(dev)
1903             if success:
1904                 # retry is expected to work
1905                 check_mesh_connected2(dev)
1906             else:
1907                 wait_fail_trigger(dev[1], "GET_FAIL")
1908         dev[0].mesh_group_remove()
1909         dev[1].mesh_group_remove()
1910         check_mesh_group_removed(dev[0])
1911         check_mesh_group_removed(dev[1])
1912
1913 def test_mesh_invalid_frequency(dev, apdev):
1914     """Mesh and invalid frequency configuration"""
1915     check_mesh_support(dev[0])
1916     add_open_mesh_network(dev[0], freq=None)
1917     ev = dev[0].wait_event(["MESH-GROUP-STARTED",
1918                             "Could not join mesh"])
1919     if ev is None or "Could not join mesh" not in ev:
1920         raise Exception("Mesh join failure not reported")
1921     dev[0].request("REMOVE_NETWORK all")
1922
1923     add_open_mesh_network(dev[0], freq="2413")
1924     ev = dev[0].wait_event(["MESH-GROUP-STARTED",
1925                             "Could not join mesh"])
1926     if ev is None or "Could not join mesh" not in ev:
1927         raise Exception("Mesh join failure not reported")
1928
1929 def test_mesh_default_beacon_int(dev, apdev):
1930     """Mesh and default beacon interval"""
1931     check_mesh_support(dev[0])
1932     try:
1933         dev[0].request("SET beacon_int 200")
1934         add_open_mesh_network(dev[0])
1935         check_mesh_group_added(dev[0])
1936     finally:
1937         dev[0].request("SET beacon_int 0")
1938
1939 def test_mesh_scan_parse_error(dev, apdev):
1940     """Mesh scan element parse error"""
1941     check_mesh_support(dev[0])
1942     params = { "ssid": "open",
1943                "beacon_int": "2000" }
1944     hapd = hostapd.add_ap(apdev[0], params)
1945     bssid = apdev[0]['bssid']
1946     hapd.set('vendor_elements', 'dd0201')
1947     for i in range(10):
1948         dev[0].scan(freq=2412)
1949         if bssid in dev[0].request("SCAN_RESULTS"):
1950             break
1951     # This will fail in IE parsing due to the truncated IE in the Probe
1952     # Response frame.
1953     bss = dev[0].request("BSS " + bssid)
1954
1955 def test_mesh_missing_mic(dev, apdev):
1956     """Secure mesh network and missing MIC"""
1957     check_mesh_support(dev[0], secure=True)
1958
1959     dev[0].request("SET ext_mgmt_frame_handling 1")
1960     dev[0].request("SET sae_groups ")
1961     id = add_mesh_secure_net(dev[0])
1962     dev[0].mesh_group_add(id)
1963
1964     dev[1].request("SET sae_groups ")
1965     id = add_mesh_secure_net(dev[1])
1966     dev[1].mesh_group_add(id)
1967
1968     check_mesh_joined2(dev)
1969
1970     count = 0
1971     remove_mic = True
1972     while True:
1973         count += 1
1974         if count > 15:
1975             raise Exception("Did not see Action frames")
1976         rx_msg = dev[0].mgmt_rx()
1977         if rx_msg is None:
1978             ev = dev[1].wait_event(["MESH-PEER-CONNECTED"], timeout=0.01)
1979             if ev:
1980                 break
1981             raise Exception("MGMT-RX timeout")
1982         if rx_msg['subtype'] == 13:
1983             payload = rx_msg['payload']
1984             frame = rx_msg['frame']
1985             (categ, action) = struct.unpack('BB', payload[0:2])
1986             if categ == 15 and action == 1 and remove_mic:
1987                 # Mesh Peering Open
1988                 pos = frame.find(b'\x8c\x10')
1989                 if not pos:
1990                     raise Exception("Could not find MIC element")
1991                 logger.info("Found MIC at %d" % pos)
1992                 # Remove MIC
1993                 rx_msg['frame'] = frame[0:pos]
1994                 remove_mic = False
1995         if "OK" not in dev[0].request("MGMT_RX_PROCESS freq={} datarate={} ssi_signal={} frame={}".format(
1996             rx_msg['freq'], rx_msg['datarate'], rx_msg['ssi_signal'], binascii.hexlify(rx_msg['frame']).decode())):
1997             raise Exception("MGMT_RX_PROCESS failed")
1998         ev = dev[1].wait_event(["MESH-PEER-CONNECTED"], timeout=0.01)
1999         if ev:
2000             break
2001
2002 def test_mesh_pmkid_mismatch(dev, apdev):
2003     """Secure mesh network and PMKID mismatch"""
2004     check_mesh_support(dev[0], secure=True)
2005     addr0 = dev[0].own_addr()
2006     addr1 = dev[1].own_addr()
2007     dev[0].request("SET sae_groups ")
2008     id = add_mesh_secure_net(dev[0])
2009     dev[0].set_network(id, "no_auto_peer", "1")
2010     dev[0].mesh_group_add(id)
2011
2012     dev[1].request("SET sae_groups ")
2013     id = add_mesh_secure_net(dev[1])
2014     dev[1].set_network(id, "no_auto_peer", "1")
2015     dev[1].mesh_group_add(id)
2016
2017     check_mesh_joined2(dev)
2018
2019     # Check for peer connected
2020     ev = dev[0].wait_event(["will not initiate new peer link"], timeout=10)
2021     if ev is None:
2022         raise Exception("Missing no-initiate message")
2023     if "OK" not in dev[0].request("MESH_PEER_ADD " + addr1):
2024         raise Exception("MESH_PEER_ADD failed")
2025     check_mesh_connected2(dev)
2026
2027     if "OK" not in dev[0].request("MESH_PEER_REMOVE " + addr1):
2028         raise Exception("Failed to remove peer")
2029
2030     ev = dev[0].wait_event(["will not initiate new peer link"], timeout=10)
2031     if ev is None:
2032         raise Exception("Missing no-initiate message (2)")
2033     dev[0].dump_monitor()
2034     dev[1].dump_monitor()
2035     dev[0].request("SET ext_mgmt_frame_handling 1")
2036     if "OK" not in dev[0].request("MESH_PEER_ADD " + addr1):
2037         raise Exception("MESH_PEER_ADD failed (2)")
2038
2039     count = 0
2040     break_pmkid = True
2041     while True:
2042         count += 1
2043         if count > 50:
2044             raise Exception("Did not see Action frames")
2045         rx_msg = dev[0].mgmt_rx()
2046         if rx_msg is None:
2047             ev = dev[1].wait_event(["MESH-PEER-CONNECTED"], timeout=0.1)
2048             if ev:
2049                 break
2050             raise Exception("MGMT-RX timeout")
2051         if rx_msg['subtype'] == 13:
2052             payload = rx_msg['payload']
2053             frame = rx_msg['frame']
2054             (categ, action) = struct.unpack('BB', payload[0:2])
2055             if categ == 15 and action == 1 and break_pmkid:
2056                 # Mesh Peering Open
2057                 pos = frame.find(b'\x75\x14')
2058                 if not pos:
2059                     raise Exception("Could not find Mesh Peering Management element")
2060                 logger.info("Found Mesh Peering Management element at %d" % pos)
2061                 # Break PMKID to hit "Mesh RSN: Invalid PMKID (Chosen PMK did
2062                 # not match calculated PMKID)"
2063                 rx_msg['frame'] = frame[0:pos + 6] + b'\x00\x00\x00\x00' + frame[pos + 10:]
2064                 break_pmkid = False
2065         if "OK" not in dev[0].request("MGMT_RX_PROCESS freq={} datarate={} ssi_signal={} frame={}".format(
2066             rx_msg['freq'], rx_msg['datarate'], rx_msg['ssi_signal'], binascii.hexlify(rx_msg['frame']).decode())):
2067             raise Exception("MGMT_RX_PROCESS failed")
2068         ev = dev[1].wait_event(["MESH-PEER-CONNECTED"], timeout=0.01)
2069         if ev:
2070             break
2071
2072 def test_mesh_peering_proto(dev, apdev):
2073     """Mesh peering management protocol testing"""
2074     check_mesh_support(dev[0])
2075
2076     dev[0].request("SET ext_mgmt_frame_handling 1")
2077     add_open_mesh_network(dev[0], beacon_int=160)
2078     add_open_mesh_network(dev[1], beacon_int=160)
2079
2080     count = 0
2081     test = 1
2082     while True:
2083         count += 1
2084         if count > 50:
2085             raise Exception("Did not see Action frames")
2086         rx_msg = dev[0].mgmt_rx()
2087         if rx_msg is None:
2088             ev = dev[1].wait_event(["MESH-PEER-CONNECTED"], timeout=0.01)
2089             if ev:
2090                 break
2091             raise Exception("MGMT-RX timeout")
2092         if rx_msg['subtype'] == 13:
2093             payload = rx_msg['payload']
2094             frame = rx_msg['frame']
2095             (categ, action) = struct.unpack('BB', payload[0:2])
2096             if categ == 15 and action == 1 and test == 1:
2097                 # Mesh Peering Open
2098                 pos = frame.find(b'\x75\x04')
2099                 if not pos:
2100                     raise Exception("Could not find Mesh Peering Management element")
2101                 logger.info("Found Mesh Peering Management element at %d" % pos)
2102                 # Remove the element to hit
2103                 # "MPM: No Mesh Peering Management element"
2104                 rx_msg['frame'] = frame[0:pos]
2105                 test += 1
2106             elif categ == 15 and action == 1 and test == 2:
2107                 # Mesh Peering Open
2108                 pos = frame.find(b'\x72\x0e')
2109                 if not pos:
2110                     raise Exception("Could not find Mesh ID element")
2111                 logger.info("Found Mesh ID element at %d" % pos)
2112                 # Remove the element to hit
2113                 # "MPM: No Mesh ID or Mesh Configuration element"
2114                 rx_msg['frame'] = frame[0:pos] + frame[pos + 16:]
2115                 test += 1
2116             elif categ == 15 and action == 1 and test == 3:
2117                 # Mesh Peering Open
2118                 pos = frame.find(b'\x72\x0e')
2119                 if not pos:
2120                     raise Exception("Could not find Mesh ID element")
2121                 logger.info("Found Mesh ID element at %d" % pos)
2122                 # Replace Mesh ID to hit "MPM: Mesh ID or Mesh Configuration
2123                 # element do not match local MBSS"
2124                 rx_msg['frame'] = frame[0:pos] + b'\x72\x0etest-test-test' + frame[pos + 16:]
2125                 test += 1
2126             elif categ == 15 and action == 1 and test == 4:
2127                 # Mesh Peering Open
2128                 # Remove IEs to hit
2129                 # "MPM: Ignore too short action frame 1 ie_len 0"
2130                 rx_msg['frame'] = frame[0:26]
2131                 test += 1
2132             elif categ == 15 and action == 1 and test == 5:
2133                 # Mesh Peering Open
2134                 # Truncate IEs to hit
2135                 # "MPM: Failed to parse PLINK IEs"
2136                 rx_msg['frame'] = frame[0:30]
2137                 test += 1
2138             elif categ == 15 and action == 1 and test == 6:
2139                 # Mesh Peering Open
2140                 pos = frame.find(b'\x75\x04')
2141                 if not pos:
2142                     raise Exception("Could not find Mesh Peering Management element")
2143                 logger.info("Found Mesh Peering Management element at %d" % pos)
2144                 # Truncate the element to hit
2145                 # "MPM: Invalid peer mgmt ie" and
2146                 # "MPM: Mesh parsing rejected frame"
2147                 rx_msg['frame'] = frame[0:pos] + b'\x75\x00\x00\x00' + frame[pos + 6:]
2148                 test += 1
2149         if "OK" not in dev[0].request("MGMT_RX_PROCESS freq={} datarate={} ssi_signal={} frame={}".format(
2150             rx_msg['freq'], rx_msg['datarate'], rx_msg['ssi_signal'], binascii.hexlify(rx_msg['frame']).decode())):
2151             raise Exception("MGMT_RX_PROCESS failed")
2152         ev = dev[1].wait_event(["MESH-PEER-CONNECTED"], timeout=0.01)
2153         if ev:
2154             break
2155
2156     if test != 7:
2157         raise Exception("Not all test frames completed")
2158
2159 def test_mesh_mpm_init_proto(dev, apdev):
2160     """Mesh peering management protocol testing for peer addition"""
2161     check_mesh_support(dev[0])
2162     add_open_mesh_network(dev[0])
2163     check_mesh_group_added(dev[0])
2164     dev[0].dump_monitor()
2165
2166     dev[0].request("SET ext_mgmt_frame_handling 1")
2167
2168     addr = "020000000100"
2169     hdr = "d000ac00020000000000" + addr + addr + "1000"
2170     fixed = "0f010000"
2171     supp_rates = "010802040b168c129824"
2172     ext_supp_rates = "3204b048606c"
2173     mesh_id = "720e777061732d6d6573682d6f70656e"
2174     mesh_conf = "710701010001000009"
2175     mpm = "75040000079d"
2176     ht_capab = "2d1a7c001bffff000000000000000000000100000000000000000000"
2177     ht_oper = "3d160b000000000000000000000000000000000000000000"
2178
2179     dev[0].request("NOTE no supported rates")
2180     frame = hdr + fixed + ext_supp_rates + mesh_id + mesh_conf + mpm + ht_capab + ht_oper
2181     if "OK" not in dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % frame):
2182         raise Exception("MGMT_RX_PROCESS failed")
2183
2184     dev[0].request("NOTE Invalid supported rates element length 33+0")
2185     long_supp_rates = "012100112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00"
2186     frame = hdr + fixed + long_supp_rates + mesh_id + mesh_conf + mpm + ht_capab + ht_oper
2187     if "OK" not in dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % frame):
2188         raise Exception("MGMT_RX_PROCESS failed")
2189
2190     dev[0].request("NOTE Too short mesh config")
2191     short_mesh_conf = "710401010001"
2192     frame = hdr + fixed + supp_rates + mesh_id + short_mesh_conf + mpm + ht_capab + ht_oper
2193     if "OK" not in dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % frame):
2194         raise Exception("MGMT_RX_PROCESS failed")
2195
2196     dev[0].request("NOTE Add STA failure")
2197     frame = hdr + fixed + supp_rates + ext_supp_rates + mesh_id + mesh_conf + mpm + ht_capab + ht_oper
2198     with fail_test(dev[0], 1, "wpa_driver_nl80211_sta_add"):
2199         if "OK" not in dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % frame):
2200             raise Exception("MGMT_RX_PROCESS failed")
2201
2202     dev[0].request("NOTE Send Action failure")
2203     with fail_test(dev[0], 1, "driver_nl80211_send_action"):
2204         if "OK" not in dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % frame):
2205             raise Exception("MGMT_RX_PROCESS failed")
2206
2207     dev[0].request("NOTE Set STA failure")
2208     addr = "020000000101"
2209     hdr = "d000ac00020000000000" + addr + addr + "1000"
2210     frame = hdr + fixed + supp_rates + ext_supp_rates + mesh_id + mesh_conf + mpm + ht_capab + ht_oper
2211     with fail_test(dev[0], 2, "wpa_driver_nl80211_sta_add"):
2212         if "OK" not in dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % frame):
2213             raise Exception("MGMT_RX_PROCESS failed")
2214
2215     dev[0].request("NOTE ap_sta_add OOM")
2216     addr = "020000000102"
2217     hdr = "d000ac00020000000000" + addr + addr + "1000"
2218     frame = hdr + fixed + supp_rates + ext_supp_rates + mesh_id + mesh_conf + mpm + ht_capab + ht_oper
2219     with alloc_fail(dev[0], 1, "ap_sta_add"):
2220         if "OK" not in dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % frame):
2221             raise Exception("MGMT_RX_PROCESS failed")
2222
2223     dev[0].request("NOTE hostapd_get_aid() failure")
2224     addr = "020000000103"
2225     hdr = "d000ac00020000000000" + addr + addr + "1000"
2226     frame = hdr + fixed + supp_rates + ext_supp_rates + mesh_id + mesh_conf + mpm + ht_capab + ht_oper
2227     with fail_test(dev[0], 1, "hostapd_get_aid"):
2228         if "OK" not in dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % frame):
2229             raise Exception("MGMT_RX_PROCESS failed")
2230
2231     if "OK" not in dev[0].request("MESH_PEER_REMOVE 02:00:00:00:01:00"):
2232         raise Exception("Failed to remove peer")
2233     if "FAIL" not in dev[0].request("MESH_PEER_REMOVE 02:00:00:00:01:02"):
2234         raise Exception("Unexpected MESH_PEER_REMOVE success")
2235     if "FAIL" not in dev[1].request("MESH_PEER_REMOVE 02:00:00:00:01:02"):
2236         raise Exception("Unexpected MESH_PEER_REMOVE success(2)")
2237     if "FAIL" not in dev[1].request("MESH_PEER_ADD 02:00:00:00:01:02"):
2238         raise Exception("Unexpected MESH_PEER_ADD success")
2239
2240 def test_mesh_holding(dev, apdev):
2241     """Mesh MPM FSM and HOLDING state event OPN_ACPT"""
2242     check_mesh_support(dev[0])
2243     add_open_mesh_network(dev[0])
2244     add_open_mesh_network(dev[1])
2245     check_mesh_joined_connected(dev)
2246
2247     addr0 = dev[0].own_addr()
2248     addr1 = dev[1].own_addr()
2249
2250     dev[0].request("SET ext_mgmt_frame_handling 1")
2251     if "OK" not in dev[0].request("MESH_PEER_REMOVE " + addr1):
2252         raise Exception("Failed to remove peer")
2253
2254     rx_msg = dev[0].mgmt_rx()
2255     if rx_msg is None:
2256         raise Exception("MGMT-RX timeout")
2257     if rx_msg['subtype'] != 13:
2258         raise Exception("Unexpected management frame")
2259     payload = rx_msg['payload']
2260     (categ, action) = struct.unpack('BB', payload[0:2])
2261     if categ != 0x0f or action != 0x03:
2262         raise Exception("Did not see Mesh Peering Close")
2263
2264     peer_lid = binascii.hexlify(payload[-6:-4]).decode()
2265     my_lid = binascii.hexlify(payload[-4:-2]).decode()
2266
2267     # Drop Mesh Peering Close and instead, process an unexpected Mesh Peering
2268     # Open to trigger transmission of another Mesh Peering Close in the HOLDING
2269     # state based on an OPN_ACPT event.
2270
2271     dst = addr0.replace(':', '')
2272     src = addr1.replace(':', '')
2273     hdr = "d000ac00" + dst + src + src + "1000"
2274     fixed = "0f010000"
2275     supp_rates = "010802040b168c129824"
2276     ext_supp_rates = "3204b048606c"
2277     mesh_id = "720e777061732d6d6573682d6f70656e"
2278     mesh_conf = "710701010001000009"
2279     mpm = "7504" + my_lid + peer_lid
2280     ht_capab = "2d1a7c001bffff000000000000000000000100000000000000000000"
2281     ht_oper = "3d160b000000000000000000000000000000000000000000"
2282
2283     frame = hdr + fixed + supp_rates + ext_supp_rates + mesh_id + mesh_conf + mpm + ht_capab + ht_oper
2284     if "OK" not in dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % frame):
2285         raise Exception("MGMT_RX_PROCESS failed")
2286     time.sleep(0.1)
2287
2288 def test_mesh_cnf_rcvd_event_cls_acpt(dev, apdev):
2289     """Mesh peering management protocol testing - CLS_ACPT event in CNF_RCVD"""
2290     check_mesh_support(dev[0])
2291     add_open_mesh_network(dev[0])
2292     check_mesh_group_added(dev[0])
2293     dev[0].dump_monitor()
2294
2295     dev[0].request("SET ext_mgmt_frame_handling 1")
2296     add_open_mesh_network(dev[1])
2297     check_mesh_group_added(dev[1])
2298
2299     addr0 = dev[0].own_addr()
2300     addr1 = dev[1].own_addr()
2301
2302     rx_msg = dev[0].mgmt_rx()
2303     # Drop Mesh Peering Open
2304
2305     rx_msg = dev[0].mgmt_rx()
2306     # Allow Mesh Peering Confirm to go through
2307     if "OK" not in dev[0].request("MGMT_RX_PROCESS freq={} datarate={} ssi_signal={} frame={}".format(
2308         rx_msg['freq'], rx_msg['datarate'], rx_msg['ssi_signal'], binascii.hexlify(rx_msg['frame']).decode())):
2309         raise Exception("MGMT_RX_PROCESS failed")
2310
2311     payload = rx_msg['payload']
2312     peer_lid = binascii.hexlify(payload[51:53]).decode()
2313     my_lid = binascii.hexlify(payload[53:55]).decode()
2314
2315     dst = addr0.replace(':', '')
2316     src = addr1.replace(':', '')
2317     hdr = "d000ac00" + dst + src + src + "1000"
2318     fixed = "0f03"
2319     mesh_id = "720e777061732d6d6573682d6f70656e"
2320     mpm = "75080000" + peer_lid + my_lid + "3700"
2321     frame = hdr + fixed + mesh_id + mpm
2322
2323     # Inject Mesh Peering Close to hit "state CNF_RCVD event CLS_ACPT" to
2324     # HOLDING transition.
2325     if "OK" not in dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + frame):
2326         raise Exception("MGMT_RX_PROCESS failed")
2327
2328 def test_mesh_opn_snt_event_cls_acpt(dev, apdev):
2329     """Mesh peering management protocol testing - CLS_ACPT event in OPN_SNT"""
2330     check_mesh_support(dev[0])
2331     add_open_mesh_network(dev[0])
2332     check_mesh_group_added(dev[0])
2333     dev[0].dump_monitor()
2334
2335     dev[0].request("SET ext_mgmt_frame_handling 1")
2336     add_open_mesh_network(dev[1])
2337     check_mesh_group_added(dev[1])
2338
2339     addr0 = dev[0].own_addr()
2340     addr1 = dev[1].own_addr()
2341
2342     rx_msg = dev[0].mgmt_rx()
2343     # Drop Mesh Peering Open
2344
2345     rx_msg = dev[0].mgmt_rx()
2346     # Drop Mesh Peering Confirm
2347
2348     payload = rx_msg['payload']
2349     peer_lid = "0000"
2350     my_lid = binascii.hexlify(payload[53:55]).decode()
2351
2352     dst = addr0.replace(':', '')
2353     src = addr1.replace(':', '')
2354     hdr = "d000ac00" + dst + src + src + "1000"
2355     fixed = "0f03"
2356     mesh_id = "720e777061732d6d6573682d6f70656e"
2357     mpm = "75080000" + peer_lid + my_lid + "3700"
2358     frame = hdr + fixed + mesh_id + mpm
2359
2360     # Inject Mesh Peering Close to hit "state OPN_SNTevent CLS_ACPT" to
2361     # HOLDING transition.
2362     if "OK" not in dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + frame):
2363         raise Exception("MGMT_RX_PROCESS failed")
2364
2365 def test_mesh_select_network(dev):
2366     """Mesh network and SELECT_NETWORK"""
2367     check_mesh_support(dev[0])
2368     id0 = add_open_mesh_network(dev[0], start=False)
2369     id1 = add_open_mesh_network(dev[1], start=False)
2370     dev[0].select_network(id0)
2371     dev[1].select_network(id1)
2372     check_mesh_joined_connected(dev, connectivity=True)
2373
2374 def test_mesh_forwarding(dev):
2375     """Mesh with two stations that can't reach each other directly"""
2376     try:
2377         set_group_map(dev[0], 1)
2378         set_group_map(dev[1], 3)
2379         set_group_map(dev[2], 2)
2380         check_mesh_support(dev[0])
2381         for i in range(3):
2382             add_open_mesh_network(dev[i])
2383             check_mesh_group_added(dev[i])
2384         for i in range(3):
2385             check_mesh_peer_connected(dev[i])
2386
2387         hwsim_utils.test_connectivity(dev[0], dev[1])
2388         hwsim_utils.test_connectivity(dev[1], dev[2])
2389         hwsim_utils.test_connectivity(dev[0], dev[2])
2390     finally:
2391         # reset groups
2392         set_group_map(dev[0], 1)
2393         set_group_map(dev[1], 1)
2394         set_group_map(dev[2], 1)
2395
2396 def test_mesh_forwarding_secure(dev):
2397     """Mesh with two stations that can't reach each other directly (RSN)"""
2398     check_mesh_support(dev[0], secure=True)
2399     try:
2400         set_group_map(dev[0], 1)
2401         set_group_map(dev[1], 3)
2402         set_group_map(dev[2], 2)
2403         for i in range(3):
2404             dev[i].request("SET sae_groups ")
2405             id = add_mesh_secure_net(dev[i])
2406             dev[i].mesh_group_add(id)
2407             check_mesh_group_added(dev[i])
2408         for i in range(3):
2409             check_mesh_peer_connected(dev[i])
2410
2411         hwsim_utils.test_connectivity(dev[0], dev[1])
2412         hwsim_utils.test_connectivity(dev[1], dev[2])
2413         hwsim_utils.test_connectivity(dev[0], dev[2])
2414     finally:
2415         # reset groups
2416         set_group_map(dev[0], 1)
2417         set_group_map(dev[1], 1)
2418         set_group_map(dev[2], 1)
2419
2420 def test_mesh_sae_anti_clogging(dev, apdev):
2421     """Mesh using SAE and anti-clogging"""
2422     try:
2423         run_mesh_sae_anti_clogging(dev, apdev)
2424     finally:
2425         stop_monitor(apdev[1]["ifname"])
2426
2427 def run_mesh_sae_anti_clogging(dev, apdev):
2428     check_mesh_support(dev[0], secure=True)
2429     check_mesh_support(dev[1], secure=True)
2430     check_mesh_support(dev[2], secure=True)
2431
2432     sock = start_monitor(apdev[1]["ifname"])
2433     radiotap = radiotap_build()
2434
2435     dev[0].request("SET sae_groups 21")
2436     id = add_mesh_secure_net(dev[0])
2437     dev[0].mesh_group_add(id)
2438     check_mesh_group_added(dev[0])
2439
2440     # This flood of SAE authentication frames is from not yet known mesh STAs,
2441     # so the messages get dropped.
2442     addr0 = binascii.unhexlify(dev[0].own_addr().replace(':', ''))
2443     for i in range(16):
2444         addr = binascii.unhexlify("f2%010x" % i)
2445         frame = build_sae_commit(addr0, addr)
2446         sock.send(radiotap + frame)
2447
2448     dev[1].request("SET sae_groups 21")
2449     id = add_mesh_secure_net(dev[1])
2450     dev[1].mesh_group_add(id)
2451     check_mesh_group_added(dev[1])
2452     check_mesh_connected2(dev)
2453
2454     # Inject Beacon frames to make the sources of the second flood known to the
2455     # target.
2456     bcn1 = binascii.unhexlify("80000000" + "ffffffffffff")
2457     bcn2 = binascii.unhexlify("0000dd20c44015840500e80310000000010882848b968c1298240301010504000200003204b048606c30140100000fac040100000fac040100000fac0800002d1afe131bffff0000000000000000000001000000000000000000003d16010000000000ffff0000000000000000000000000000720d777061732d6d6573682d736563710701010001010009")
2458     for i in range(16):
2459         addr = binascii.unhexlify("f4%010x" % i)
2460         frame = bcn1 + addr + addr + bcn2
2461         sock.send(radiotap + frame)
2462
2463     # This flood of SAE authentication frames is from known mesh STAs, so the
2464     # target will need to process these.
2465     for i in range(16):
2466         addr = binascii.unhexlify("f4%010x" % i)
2467         frame = build_sae_commit(addr0, addr)
2468         sock.send(radiotap + frame)
2469
2470     dev[2].request("SET sae_groups 21")
2471     id = add_mesh_secure_net(dev[2])
2472     dev[2].mesh_group_add(id)
2473     check_mesh_group_added(dev[2])
2474     check_mesh_peer_connected(dev[2])
2475     check_mesh_peer_connected(dev[0])