Coverage Report

Created: 2026-04-12 06:28

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/hostap/wpa_supplicant/events.c
Line
Count
Source
1
/*
2
 * WPA Supplicant - Driver event processing
3
 * Copyright (c) 2003-2019, Jouni Malinen <j@w1.fi>
4
 *
5
 * This software may be distributed under the terms of the BSD license.
6
 * See README for more details.
7
 */
8
9
#include "includes.h"
10
11
#include "common.h"
12
#include "utils/crc32.h"
13
#include "eapol_supp/eapol_supp_sm.h"
14
#include "rsn_supp/wpa.h"
15
#include "eloop.h"
16
#include "config.h"
17
#include "l2_packet/l2_packet.h"
18
#include "wpa_supplicant_i.h"
19
#include "driver_i.h"
20
#include "pcsc_funcs.h"
21
#include "rsn_supp/preauth.h"
22
#include "rsn_supp/pmksa_cache.h"
23
#include "common/wpa_ctrl.h"
24
#include "eap_peer/eap.h"
25
#include "ap/hostapd.h"
26
#include "ap/sta_info.h"
27
#include "p2p/p2p.h"
28
#include "fst/fst.h"
29
#include "wnm_sta.h"
30
#include "notify.h"
31
#include "common/ieee802_11_defs.h"
32
#include "common/ieee802_11_common.h"
33
#include "common/gas_server.h"
34
#include "common/dpp.h"
35
#include "common/ptksa_cache.h"
36
#include "crypto/random.h"
37
#include "bssid_ignore.h"
38
#include "wpas_glue.h"
39
#include "wps_supplicant.h"
40
#include "ibss_rsn.h"
41
#include "sme.h"
42
#include "gas_query.h"
43
#include "p2p_supplicant.h"
44
#include "bgscan.h"
45
#include "autoscan.h"
46
#include "ap.h"
47
#include "bss.h"
48
#include "scan.h"
49
#include "offchannel.h"
50
#include "interworking.h"
51
#include "mesh.h"
52
#include "mesh_mpm.h"
53
#include "wmm_ac.h"
54
#include "dpp_supplicant.h"
55
#include "pr_supplicant.h"
56
#include "nan_supplicant.h"
57
58
59
#define MAX_OWE_TRANSITION_BSS_SELECT_COUNT 5
60
61
62
#ifndef CONFIG_NO_SCAN_PROCESSING
63
static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
64
                int new_scan, int own_request,
65
                bool trigger_6ghz_scan,
66
                union wpa_event_data *data);
67
#endif /* CONFIG_NO_SCAN_PROCESSING */
68
69
70
int wpas_temp_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
71
0
{
72
0
  struct os_reltime now;
73
74
0
  if (ssid == NULL || ssid->disabled_until.sec == 0)
75
0
    return 0;
76
77
0
  os_get_reltime(&now);
78
0
  if (ssid->disabled_until.sec > now.sec)
79
0
    return ssid->disabled_until.sec - now.sec;
80
81
0
  wpas_clear_temp_disabled(wpa_s, ssid, 0);
82
83
0
  return 0;
84
0
}
85
86
87
#ifndef CONFIG_NO_SCAN_PROCESSING
88
/**
89
 * wpas_reenabled_network_time - Time until first network is re-enabled
90
 * @wpa_s: Pointer to wpa_supplicant data
91
 * Returns: If all enabled networks are temporarily disabled, returns the time
92
 *  (in sec) until the first network is re-enabled. Otherwise returns 0.
93
 *
94
 * This function is used in case all enabled networks are temporarily disabled,
95
 * in which case it returns the time (in sec) that the first network will be
96
 * re-enabled. The function assumes that at least one network is enabled.
97
 */
98
static int wpas_reenabled_network_time(struct wpa_supplicant *wpa_s)
99
0
{
100
0
  struct wpa_ssid *ssid;
101
0
  int disabled_for, res = 0;
102
103
0
#ifdef CONFIG_INTERWORKING
104
0
  if (wpa_s->conf->auto_interworking && wpa_s->conf->interworking &&
105
0
      wpa_s->conf->cred)
106
0
    return 0;
107
0
#endif /* CONFIG_INTERWORKING */
108
109
0
  for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
110
0
    if (ssid->disabled)
111
0
      continue;
112
113
0
    disabled_for = wpas_temp_disabled(wpa_s, ssid);
114
0
    if (!disabled_for)
115
0
      return 0;
116
117
0
    if (!res || disabled_for < res)
118
0
      res = disabled_for;
119
0
  }
120
121
0
  return res;
122
0
}
123
#endif /* CONFIG_NO_SCAN_PROCESSING */
124
125
126
void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx)
127
0
{
128
0
  struct wpa_supplicant *wpa_s = eloop_ctx;
129
130
0
  if (wpa_s->disconnected || wpa_s->wpa_state != WPA_SCANNING)
131
0
    return;
132
133
0
  wpa_dbg(wpa_s, MSG_DEBUG,
134
0
    "Try to associate due to network getting re-enabled");
135
0
  if (wpa_supplicant_fast_associate(wpa_s) != 1) {
136
0
    wpa_supplicant_cancel_sched_scan(wpa_s);
137
0
    wpa_supplicant_req_scan(wpa_s, 0, 0);
138
0
  }
139
0
}
140
141
142
static struct wpa_bss * __wpa_supplicant_get_new_bss(
143
  struct wpa_supplicant *wpa_s, const u8 *bssid, const u8 *ssid,
144
  size_t ssid_len)
145
0
{
146
0
  if (ssid && ssid_len > 0)
147
0
    return wpa_bss_get(wpa_s, bssid, ssid, ssid_len);
148
0
  else
149
0
    return wpa_bss_get_bssid(wpa_s, bssid);
150
0
}
151
152
153
static struct wpa_bss * _wpa_supplicant_get_new_bss(
154
  struct wpa_supplicant *wpa_s, const u8 *bssid, const u8 *ssid,
155
  size_t ssid_len, bool try_update_scan_results)
156
0
{
157
0
  struct wpa_bss *bss = __wpa_supplicant_get_new_bss(wpa_s, bssid, ssid,
158
0
                 ssid_len);
159
160
0
  if (bss || !try_update_scan_results)
161
0
    return bss;
162
163
0
  wpa_supplicant_update_scan_results(wpa_s, bssid);
164
165
0
  return __wpa_supplicant_get_new_bss(wpa_s, bssid, ssid, ssid_len);
166
0
}
167
168
169
static struct wpa_bss * wpa_supplicant_get_new_bss(
170
  struct wpa_supplicant *wpa_s, const u8 *bssid)
171
0
{
172
0
  struct wpa_bss *bss = NULL;
173
0
  struct wpa_ssid *ssid = wpa_s->current_ssid;
174
0
  u8 drv_ssid[SSID_MAX_LEN];
175
0
  int res;
176
0
  bool try_update_scan_results = true;
177
178
0
  res = wpa_drv_get_ssid(wpa_s, drv_ssid);
179
0
  if (res > 0) {
180
0
    bss = _wpa_supplicant_get_new_bss(wpa_s, bssid, drv_ssid, res,
181
0
              try_update_scan_results);
182
0
    try_update_scan_results = false;
183
0
  }
184
0
  if (!bss && ssid && ssid->ssid_len > 0) {
185
0
    bss = _wpa_supplicant_get_new_bss(wpa_s, bssid, ssid->ssid,
186
0
              ssid->ssid_len,
187
0
              try_update_scan_results);
188
0
    try_update_scan_results = false;
189
0
  }
190
0
  if (!bss)
191
0
    bss = _wpa_supplicant_get_new_bss(wpa_s, bssid, NULL, 0,
192
0
              try_update_scan_results);
193
194
0
  return bss;
195
0
}
196
197
198
static struct wpa_bss *
199
wpa_supplicant_update_current_bss(struct wpa_supplicant *wpa_s, const u8 *bssid)
200
0
{
201
0
  struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
202
203
0
  if (bss)
204
0
    wpa_s->current_bss = bss;
205
206
0
  return bss;
207
0
}
208
209
210
static void wpa_supplicant_update_link_bss(struct wpa_supplicant *wpa_s,
211
             u8 link_id, const u8 *bssid)
212
0
{
213
0
  struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
214
215
0
  if (bss)
216
0
    wpa_s->links[link_id].bss = bss;
217
0
}
218
219
220
static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s,
221
          union wpa_event_data *data)
222
0
{
223
0
  struct wpa_ssid *ssid, *old_ssid;
224
0
  struct wpa_bss *bss;
225
0
  u8 drv_ssid[SSID_MAX_LEN];
226
0
  size_t drv_ssid_len;
227
0
  int res;
228
229
0
  if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) {
230
0
    wpa_supplicant_update_current_bss(wpa_s, wpa_s->bssid);
231
232
0
    if (wpa_s->current_ssid->ssid_len == 0)
233
0
      return 0; /* current profile still in use */
234
0
    res = wpa_drv_get_ssid(wpa_s, drv_ssid);
235
0
    if (res < 0) {
236
0
      wpa_msg(wpa_s, MSG_INFO,
237
0
        "Failed to read SSID from driver");
238
0
      return 0; /* try to use current profile */
239
0
    }
240
0
    drv_ssid_len = res;
241
242
0
    if (drv_ssid_len == wpa_s->current_ssid->ssid_len &&
243
0
        os_memcmp(drv_ssid, wpa_s->current_ssid->ssid,
244
0
            drv_ssid_len) == 0)
245
0
      return 0; /* current profile still in use */
246
247
#ifdef CONFIG_OWE
248
    if ((wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
249
        wpa_s->current_bss &&
250
        (wpa_s->current_bss->flags & WPA_BSS_OWE_TRANSITION) &&
251
        drv_ssid_len == wpa_s->current_bss->ssid_len &&
252
        os_memcmp(drv_ssid, wpa_s->current_bss->ssid,
253
            drv_ssid_len) == 0)
254
      return 0; /* current profile still in use */
255
#endif /* CONFIG_OWE */
256
257
0
    wpa_msg(wpa_s, MSG_DEBUG,
258
0
      "Driver-initiated BSS selection changed the SSID to %s",
259
0
      wpa_ssid_txt(drv_ssid, drv_ssid_len));
260
    /* continue selecting a new network profile */
261
0
  }
262
263
0
  wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association "
264
0
    "information");
265
0
  ssid = wpa_supplicant_get_ssid(wpa_s);
266
0
  if (ssid == NULL) {
267
0
    wpa_msg(wpa_s, MSG_INFO,
268
0
      "No network configuration found for the current AP");
269
0
    return -1;
270
0
  }
271
272
0
  if (wpas_network_disabled(wpa_s, ssid)) {
273
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled");
274
0
    return -1;
275
0
  }
276
277
0
  if (disallowed_bssid(wpa_s, wpa_s->bssid) ||
278
0
      disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) {
279
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed");
280
0
    return -1;
281
0
  }
282
283
0
  res = wpas_temp_disabled(wpa_s, ssid);
284
0
  if (res > 0) {
285
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily "
286
0
      "disabled for %d second(s)", res);
287
0
    return -1;
288
0
  }
289
290
0
  wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
291
0
    "current AP");
292
0
  bss = wpa_supplicant_update_current_bss(wpa_s, wpa_s->bssid);
293
0
  if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
294
0
    u8 wpa_ie[80];
295
0
    size_t wpa_ie_len = sizeof(wpa_ie);
296
0
    bool skip_default_rsne;
297
298
    /* Do not override RSNE/RSNXE with the default values if the
299
     * driver indicated the actual values used in the
300
     * (Re)Association Request frame. */
301
0
    skip_default_rsne = data && data->assoc_info.req_ies;
302
0
    if (wpa_supplicant_set_suites(wpa_s, bss, ssid,
303
0
                wpa_ie, &wpa_ie_len,
304
0
                skip_default_rsne) < 0)
305
0
      wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites");
306
0
  } else {
307
0
    wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
308
0
  }
309
310
0
  if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
311
0
    eapol_sm_invalidate_cached_session(wpa_s->eapol);
312
0
  old_ssid = wpa_s->current_ssid;
313
0
  wpa_s->current_ssid = ssid;
314
315
0
  wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
316
0
  wpa_supplicant_initiate_eapol(wpa_s);
317
0
  if (old_ssid != wpa_s->current_ssid)
318
0
    wpas_notify_network_changed(wpa_s);
319
320
0
  return 0;
321
0
}
322
323
324
void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
325
0
{
326
0
  struct wpa_supplicant *wpa_s = eloop_ctx;
327
328
0
  if (wpa_s->countermeasures) {
329
0
    wpa_s->countermeasures = 0;
330
0
    wpa_drv_set_countermeasures(wpa_s, 0);
331
0
    wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
332
333
    /*
334
     * It is possible that the device is sched scanning, which means
335
     * that a connection attempt will be done only when we receive
336
     * scan results. However, in this case, it would be preferable
337
     * to scan and connect immediately, so cancel the sched_scan and
338
     * issue a regular scan flow.
339
     */
340
0
    wpa_supplicant_cancel_sched_scan(wpa_s);
341
0
    wpa_supplicant_req_scan(wpa_s, 0, 0);
342
0
  }
343
0
}
344
345
346
void wpas_reset_mlo_info(struct wpa_supplicant *wpa_s)
347
0
{
348
0
  int i;
349
350
0
  if (!wpa_s->valid_links)
351
0
    return;
352
353
0
  wpa_s->valid_links = 0;
354
0
  wpa_s->mlo_assoc_link_id = 0;
355
0
  os_memset(wpa_s->ap_mld_addr, 0, ETH_ALEN);
356
0
  for (i = 0; i < MAX_NUM_MLD_LINKS; i++)
357
0
    wpabuf_free(wpa_s->links[i].ies);
358
0
  os_memset(wpa_s->links, 0, sizeof(wpa_s->links));
359
0
}
360
361
362
void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
363
0
{
364
0
  int bssid_changed;
365
366
0
  wnm_bss_keep_alive_deinit(wpa_s);
367
368
#ifdef CONFIG_IBSS_RSN
369
  ibss_rsn_deinit(wpa_s->ibss_rsn);
370
  wpa_s->ibss_rsn = NULL;
371
#endif /* CONFIG_IBSS_RSN */
372
373
#ifdef CONFIG_AP
374
  wpa_supplicant_ap_deinit(wpa_s);
375
#endif /* CONFIG_AP */
376
377
0
#ifdef CONFIG_HS20
378
  /* Clear possibly configured frame filters */
379
0
  wpa_drv_configure_frame_filters(wpa_s, 0);
380
0
#endif /* CONFIG_HS20 */
381
382
0
  if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
383
0
    return;
384
385
0
  if (os_reltime_initialized(&wpa_s->session_start)) {
386
0
    os_reltime_age(&wpa_s->session_start, &wpa_s->session_length);
387
0
    wpa_s->session_start.sec = 0;
388
0
    wpa_s->session_start.usec = 0;
389
0
    wpas_notify_session_length(wpa_s);
390
0
  }
391
392
0
  wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
393
394
#ifdef CONFIG_ENC_ASSOC
395
  /* Clear configured keys and PTKSA */
396
  if (wpa_s->ptksa &&
397
      ptksa_cache_get(wpa_s->ptksa, wpa_s->bssid, WPA_CIPHER_NONE)) {
398
    wpa_clear_keys(wpa_s, wpa_s->bssid);
399
    ptksa_cache_flush(wpa_s->ptksa, wpa_s->bssid, WPA_CIPHER_NONE);
400
  }
401
#endif /* CONFIG_ENC_ASSOC */
402
403
0
  bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
404
0
  os_memset(wpa_s->bssid, 0, ETH_ALEN);
405
0
  os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
406
0
  sme_clear_on_disassoc(wpa_s);
407
0
  wpa_s->current_bss = NULL;
408
0
  wpa_s->assoc_freq = 0;
409
0
  wpa_s->assisted_dfs = false;
410
411
0
  if (bssid_changed)
412
0
    wpas_notify_bssid_changed(wpa_s);
413
414
0
  eapol_sm_notify_portEnabled(wpa_s->eapol, false);
415
0
  eapol_sm_notify_portValid(wpa_s->eapol, false);
416
0
  if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
417
0
      wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
418
0
      wpa_s->key_mgmt == WPA_KEY_MGMT_DPP || wpa_s->drv_authorized_port)
419
0
    eapol_sm_notify_eap_success(wpa_s->eapol, false);
420
0
  wpa_s->drv_authorized_port = 0;
421
0
  wpa_s->ap_ies_from_associnfo = 0;
422
0
  wpa_s->current_ssid = NULL;
423
0
  eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
424
0
  wpa_s->key_mgmt = 0;
425
0
  wpa_s->allowed_key_mgmts = 0;
426
427
0
#ifndef CONFIG_NO_RRM
428
0
  wpas_rrm_reset(wpa_s);
429
0
#endif /* CONFIG_NO_RRM */
430
0
  wpa_s->wnmsleep_used = 0;
431
0
#ifdef CONFIG_WNM
432
0
  wpa_s->wnm_mode = 0;
433
0
#endif /* CONFIG_WNM */
434
0
  wnm_clear_coloc_intf_reporting(wpa_s);
435
0
  wpa_s->disable_mbo_oce = 0;
436
437
#ifdef CONFIG_TESTING_OPTIONS
438
  wpa_s->last_tk_alg = WPA_ALG_NONE;
439
  os_memset(wpa_s->last_tk, 0, sizeof(wpa_s->last_tk));
440
#endif /* CONFIG_TESTING_OPTIONS */
441
0
  wpa_s->ieee80211ac = 0;
442
443
0
  if (wpa_s->enabled_4addr_mode && wpa_drv_set_4addr_mode(wpa_s, 0) == 0)
444
0
    wpa_s->enabled_4addr_mode = 0;
445
446
0
  wpa_s->wps_scan_done = false;
447
0
  wpas_reset_mlo_info(wpa_s);
448
0
#ifndef CONFIG_NO_ROBUST_AV
449
0
  wpas_scs_deinit(wpa_s);
450
0
#endif /* CONFIG_NO_ROBUST_AV */
451
452
#ifdef CONFIG_SME
453
  wpa_s->sme.bss_max_idle_period = 0;
454
#endif /* CONFIG_SME */
455
456
0
  wpa_s->ssid_verified = false;
457
0
  wpa_s->bigtk_set = false;
458
459
0
  wpabuf_free(wpa_s->pending_eapol_rx);
460
0
  wpa_s->pending_eapol_rx = NULL;
461
0
  wpa_s->ext_auth_to_same_bss = false;
462
0
}
463
464
465
static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
466
0
{
467
0
  struct wpa_ie_data ie;
468
0
  int pmksa_set = -1;
469
0
  size_t i;
470
0
  struct rsn_pmksa_cache_entry *cur_pmksa;
471
472
  /* Start with assumption of no PMKSA cache entry match for cases other
473
   * than SAE. In particular, this is needed to generate the PMKSA cache
474
   * entries for Suite B cases with driver-based roaming indication. */
475
0
  cur_pmksa = pmksa_cache_get_current(wpa_s->wpa);
476
0
  if (cur_pmksa && !wpa_key_mgmt_sae(cur_pmksa->akmp))
477
0
    pmksa_cache_clear_current(wpa_s->wpa);
478
479
0
  if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
480
0
      ie.pmkid == NULL)
481
0
    return;
482
483
0
  for (i = 0; i < ie.num_pmkid; i++) {
484
0
    pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
485
0
                ie.pmkid + i * PMKID_LEN,
486
0
                NULL, NULL, 0, NULL, 0,
487
0
                true);
488
0
    if (pmksa_set == 0) {
489
0
      eapol_sm_notify_pmkid_attempt(wpa_s->eapol);
490
0
      wpa_sm_set_pmk_from_pmksa(wpa_s->wpa);
491
0
      break;
492
0
    }
493
0
  }
494
495
0
  wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
496
0
    "PMKSA cache", pmksa_set == 0 ? "" : "not ");
497
0
}
498
499
500
static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
501
             union wpa_event_data *data)
502
0
{
503
0
  if (data == NULL) {
504
0
    wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
505
0
      "event");
506
0
    return;
507
0
  }
508
0
  wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
509
0
    " index=%d preauth=%d",
510
0
    MAC2STR(data->pmkid_candidate.bssid),
511
0
    data->pmkid_candidate.index,
512
0
    data->pmkid_candidate.preauth);
513
514
0
  pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
515
0
          data->pmkid_candidate.index,
516
0
          data->pmkid_candidate.preauth);
517
0
}
518
519
520
static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
521
0
{
522
0
  if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
523
0
      wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
524
0
    return 0;
525
526
0
#ifdef IEEE8021X_EAPOL
527
0
  if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
528
0
      wpa_s->current_ssid &&
529
0
      !(wpa_s->current_ssid->eapol_flags &
530
0
        (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
531
0
         EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
532
    /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
533
     * plaintext or static WEP keys). */
534
0
    return 0;
535
0
  }
536
0
#endif /* IEEE8021X_EAPOL */
537
538
0
  return 1;
539
0
}
540
541
542
/**
543
 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
544
 * @wpa_s: pointer to wpa_supplicant data
545
 * @ssid: Configuration data for the network
546
 * Returns: 0 on success, -1 on failure
547
 *
548
 * This function is called when starting authentication with a network that is
549
 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
550
 */
551
int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
552
            struct wpa_ssid *ssid)
553
0
{
554
0
#ifdef IEEE8021X_EAPOL
555
#ifdef PCSC_FUNCS
556
  int aka = 0, sim = 0;
557
558
  if ((ssid != NULL && ssid->eap.pcsc == NULL) ||
559
      wpa_s->scard != NULL || wpa_s->conf->external_sim)
560
    return 0;
561
562
  if (ssid == NULL || ssid->eap.eap_methods == NULL) {
563
    sim = 1;
564
    aka = 1;
565
  } else {
566
    struct eap_method_type *eap = ssid->eap.eap_methods;
567
    while (eap->vendor != EAP_VENDOR_IETF ||
568
           eap->method != EAP_TYPE_NONE) {
569
      if (eap->vendor == EAP_VENDOR_IETF) {
570
        if (eap->method == EAP_TYPE_SIM)
571
          sim = 1;
572
        else if (eap->method == EAP_TYPE_AKA ||
573
           eap->method == EAP_TYPE_AKA_PRIME)
574
          aka = 1;
575
      }
576
      eap++;
577
    }
578
  }
579
580
  if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
581
    sim = 0;
582
  if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
583
      eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
584
      NULL)
585
    aka = 0;
586
587
  if (!sim && !aka) {
588
    wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
589
      "use SIM, but neither EAP-SIM nor EAP-AKA are "
590
      "enabled");
591
    return 0;
592
  }
593
594
  wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
595
    "(sim=%d aka=%d) - initialize PCSC", sim, aka);
596
597
  wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader);
598
  if (wpa_s->scard == NULL) {
599
    wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
600
      "(pcsc-lite)");
601
    return -1;
602
  }
603
  wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
604
  eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
605
#endif /* PCSC_FUNCS */
606
0
#endif /* IEEE8021X_EAPOL */
607
608
0
  return 0;
609
0
}
610
611
612
#ifndef CONFIG_NO_SCAN_PROCESSING
613
614
#ifdef CONFIG_WEP
615
static int has_wep_key(struct wpa_ssid *ssid)
616
{
617
  int i;
618
619
  for (i = 0; i < NUM_WEP_KEYS; i++) {
620
    if (ssid->wep_key_len[i])
621
      return 1;
622
  }
623
624
  return 0;
625
}
626
#endif /* CONFIG_WEP */
627
628
629
static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
630
          struct wpa_ssid *ssid)
631
0
{
632
0
  int privacy = 0;
633
634
0
  if (ssid->mixed_cell)
635
0
    return 1;
636
637
#ifdef CONFIG_WPS
638
  if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
639
    return 1;
640
#endif /* CONFIG_WPS */
641
642
#ifdef CONFIG_OWE
643
  if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only)
644
    return 1;
645
#endif /* CONFIG_OWE */
646
647
#ifdef CONFIG_WEP
648
  if (has_wep_key(ssid))
649
    privacy = 1;
650
#endif /* CONFIG_WEP */
651
652
0
#ifdef IEEE8021X_EAPOL
653
0
  if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
654
0
      ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
655
0
         EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
656
0
    privacy = 1;
657
0
#endif /* IEEE8021X_EAPOL */
658
659
0
  if (wpa_key_mgmt_wpa(ssid->key_mgmt))
660
0
    privacy = 1;
661
662
0
  if (bss->caps & IEEE80211_CAP_PRIVACY)
663
0
    return privacy;
664
0
  return !privacy;
665
0
}
666
667
668
static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
669
           struct wpa_ssid *ssid,
670
           struct wpa_bss *bss, int debug_print)
671
0
{
672
0
  struct wpa_ie_data ie;
673
0
  int proto_match = 0;
674
0
  const u8 *rsn_ie, *wpa_ie;
675
0
  int ret;
676
#ifdef CONFIG_WEP
677
  int wep_ok;
678
#endif /* CONFIG_WEP */
679
0
  bool is_6ghz_bss = is_6ghz_freq(bss->freq);
680
681
0
  ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
682
0
  if (ret >= 0)
683
0
    return ret;
684
685
#ifdef CONFIG_WEP
686
  /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
687
  wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
688
    (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
689
      ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
690
     (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
691
#endif /* CONFIG_WEP */
692
693
0
  rsn_ie = wpa_bss_get_rsne(wpa_s, bss, ssid, false);
694
0
  if (is_6ghz_bss && !rsn_ie) {
695
0
    if (debug_print)
696
0
      wpa_dbg(wpa_s, MSG_DEBUG,
697
0
        "   skip - 6 GHz BSS without RSNE");
698
0
    return 0;
699
0
  }
700
701
0
  while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
702
0
    proto_match++;
703
704
0
    if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
705
0
      if (debug_print)
706
0
        wpa_dbg(wpa_s, MSG_DEBUG,
707
0
          "   skip RSN IE - parse failed");
708
0
      break;
709
0
    }
710
0
    if (!ie.has_pairwise)
711
0
      ie.pairwise_cipher = wpa_default_rsn_cipher(bss->freq);
712
0
    if (!ie.has_group)
713
0
      ie.group_cipher = wpa_default_rsn_cipher(bss->freq);
714
715
0
    if (is_6ghz_bss || !is_zero_ether_addr(bss->mld_addr)) {
716
      /* WEP and TKIP are not allowed on 6 GHz/MLD */
717
0
      ie.pairwise_cipher &= ~(WPA_CIPHER_WEP40 |
718
0
            WPA_CIPHER_WEP104 |
719
0
            WPA_CIPHER_TKIP);
720
0
      ie.group_cipher &= ~(WPA_CIPHER_WEP40 |
721
0
               WPA_CIPHER_WEP104 |
722
0
               WPA_CIPHER_TKIP);
723
0
    }
724
725
#ifdef CONFIG_WEP
726
    if (wep_ok &&
727
        (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
728
    {
729
      if (debug_print)
730
        wpa_dbg(wpa_s, MSG_DEBUG,
731
          "   selected based on TSN in RSN IE");
732
      return 1;
733
    }
734
#endif /* CONFIG_WEP */
735
736
0
    if (!(ie.proto & ssid->proto)) {
737
0
      if (debug_print)
738
0
        wpa_dbg(wpa_s, MSG_DEBUG,
739
0
          "   skip RSN IE - proto mismatch");
740
0
      break;
741
0
    }
742
743
0
    if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
744
0
      if (debug_print)
745
0
        wpa_dbg(wpa_s, MSG_DEBUG,
746
0
          "   skip RSN IE - PTK cipher mismatch");
747
0
      break;
748
0
    }
749
750
0
    if (!(ie.group_cipher & ssid->group_cipher)) {
751
0
      if (debug_print)
752
0
        wpa_dbg(wpa_s, MSG_DEBUG,
753
0
          "   skip RSN IE - GTK cipher mismatch");
754
0
      break;
755
0
    }
756
757
0
    if (ssid->group_mgmt_cipher &&
758
0
        !(ie.mgmt_group_cipher & ssid->group_mgmt_cipher)) {
759
0
      if (debug_print)
760
0
        wpa_dbg(wpa_s, MSG_DEBUG,
761
0
          "   skip RSN IE - group mgmt cipher mismatch");
762
0
      break;
763
0
    }
764
765
0
    if (is_6ghz_bss) {
766
      /* MFPC must be supported on 6 GHz */
767
0
      if (!(ie.capabilities & WPA_CAPABILITY_MFPC)) {
768
0
        if (debug_print)
769
0
          wpa_dbg(wpa_s, MSG_DEBUG,
770
0
            "   skip RSNE - 6 GHz without MFPC");
771
0
        break;
772
0
      }
773
774
      /* WPA PSK is not allowed on the 6 GHz band */
775
0
      ie.key_mgmt &= ~(WPA_KEY_MGMT_PSK |
776
0
           WPA_KEY_MGMT_FT_PSK |
777
0
           WPA_KEY_MGMT_PSK_SHA256);
778
0
    }
779
780
0
    if (!(ie.key_mgmt & ssid->key_mgmt)) {
781
0
      if (debug_print)
782
0
        wpa_dbg(wpa_s, MSG_DEBUG,
783
0
          "   skip RSN IE - key mgmt mismatch");
784
0
      break;
785
0
    }
786
787
0
    if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
788
0
        wpas_get_ssid_pmf(wpa_s, ssid) ==
789
0
        MGMT_FRAME_PROTECTION_REQUIRED) {
790
0
      if (debug_print)
791
0
        wpa_dbg(wpa_s, MSG_DEBUG,
792
0
          "   skip RSN IE - no mgmt frame protection");
793
0
      break;
794
0
    }
795
0
    if ((ie.capabilities & WPA_CAPABILITY_MFPR) &&
796
0
        wpas_get_ssid_pmf(wpa_s, ssid) ==
797
0
        NO_MGMT_FRAME_PROTECTION) {
798
0
      if (debug_print)
799
0
        wpa_dbg(wpa_s, MSG_DEBUG,
800
0
          "   skip RSN IE - no mgmt frame protection enabled but AP requires it");
801
0
      break;
802
0
    }
803
804
0
    if (debug_print)
805
0
      wpa_dbg(wpa_s, MSG_DEBUG,
806
0
        "   selected based on RSN IE");
807
0
    return 1;
808
0
  }
809
810
0
  if (is_6ghz_bss) {
811
0
    if (debug_print)
812
0
      wpa_dbg(wpa_s, MSG_DEBUG,
813
0
        "   skip - 6 GHz BSS without matching RSNE");
814
0
    return 0;
815
0
  }
816
817
0
  wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
818
819
0
  if (wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED &&
820
0
      (!(ssid->key_mgmt & WPA_KEY_MGMT_OWE) || ssid->owe_only)) {
821
#ifdef CONFIG_OWE
822
    if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && ssid->owe_only &&
823
        !wpa_ie && !rsn_ie &&
824
        wpa_s->owe_transition_select &&
825
        wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE) &&
826
        ssid->owe_transition_bss_select_count + 1 <=
827
        MAX_OWE_TRANSITION_BSS_SELECT_COUNT) {
828
      ssid->owe_transition_bss_select_count++;
829
      if (debug_print)
830
        wpa_dbg(wpa_s, MSG_DEBUG,
831
          "   skip OWE open BSS (selection count %d does not exceed %d)",
832
          ssid->owe_transition_bss_select_count,
833
          MAX_OWE_TRANSITION_BSS_SELECT_COUNT);
834
      wpa_s->owe_transition_search = 1;
835
      return 0;
836
    }
837
#endif /* CONFIG_OWE */
838
0
    if (debug_print)
839
0
      wpa_dbg(wpa_s, MSG_DEBUG,
840
0
        "   skip - MFP Required but network not MFP Capable");
841
0
    return 0;
842
0
  }
843
844
0
  while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
845
0
    proto_match++;
846
847
0
    if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
848
0
      if (debug_print)
849
0
        wpa_dbg(wpa_s, MSG_DEBUG,
850
0
          "   skip WPA IE - parse failed");
851
0
      break;
852
0
    }
853
854
#ifdef CONFIG_WEP
855
    if (wep_ok &&
856
        (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
857
    {
858
      if (debug_print)
859
        wpa_dbg(wpa_s, MSG_DEBUG,
860
          "   selected based on TSN in WPA IE");
861
      return 1;
862
    }
863
#endif /* CONFIG_WEP */
864
865
0
    if (!(ie.proto & ssid->proto)) {
866
0
      if (debug_print)
867
0
        wpa_dbg(wpa_s, MSG_DEBUG,
868
0
          "   skip WPA IE - proto mismatch");
869
0
      break;
870
0
    }
871
872
0
    if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
873
0
      if (debug_print)
874
0
        wpa_dbg(wpa_s, MSG_DEBUG,
875
0
          "   skip WPA IE - PTK cipher mismatch");
876
0
      break;
877
0
    }
878
879
0
    if (!(ie.group_cipher & ssid->group_cipher)) {
880
0
      if (debug_print)
881
0
        wpa_dbg(wpa_s, MSG_DEBUG,
882
0
          "   skip WPA IE - GTK cipher mismatch");
883
0
      break;
884
0
    }
885
886
0
    if (!(ie.key_mgmt & ssid->key_mgmt)) {
887
0
      if (debug_print)
888
0
        wpa_dbg(wpa_s, MSG_DEBUG,
889
0
          "   skip WPA IE - key mgmt mismatch");
890
0
      break;
891
0
    }
892
893
0
    if (debug_print)
894
0
      wpa_dbg(wpa_s, MSG_DEBUG,
895
0
        "   selected based on WPA IE");
896
0
    return 1;
897
0
  }
898
899
0
  if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
900
0
      !rsn_ie) {
901
0
    if (debug_print)
902
0
      wpa_dbg(wpa_s, MSG_DEBUG,
903
0
        "   allow for non-WPA IEEE 802.1X");
904
0
    return 1;
905
0
  }
906
907
#ifdef CONFIG_OWE
908
  if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only &&
909
      !wpa_ie && !rsn_ie) {
910
    if (wpa_s->owe_transition_select &&
911
        wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE) &&
912
        ssid->owe_transition_bss_select_count + 1 <=
913
        MAX_OWE_TRANSITION_BSS_SELECT_COUNT) {
914
      ssid->owe_transition_bss_select_count++;
915
      if (debug_print)
916
        wpa_dbg(wpa_s, MSG_DEBUG,
917
          "   skip OWE transition BSS (selection count %d does not exceed %d)",
918
          ssid->owe_transition_bss_select_count,
919
          MAX_OWE_TRANSITION_BSS_SELECT_COUNT);
920
      wpa_s->owe_transition_search = 1;
921
      return 0;
922
    }
923
    if (debug_print)
924
      wpa_dbg(wpa_s, MSG_DEBUG,
925
        "   allow in OWE transition mode");
926
    return 1;
927
  }
928
#endif /* CONFIG_OWE */
929
930
0
  if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
931
0
      wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
932
0
    if (debug_print)
933
0
      wpa_dbg(wpa_s, MSG_DEBUG,
934
0
        "   skip - no WPA/RSN proto match");
935
0
    return 0;
936
0
  }
937
938
0
  if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
939
0
    if (debug_print)
940
0
      wpa_dbg(wpa_s, MSG_DEBUG, "   allow in non-WPA/WPA2");
941
0
    return 1;
942
0
  }
943
944
0
  if (debug_print)
945
0
    wpa_dbg(wpa_s, MSG_DEBUG,
946
0
      "   reject due to mismatch with WPA/WPA2");
947
948
0
  return 0;
949
0
}
950
951
952
static int freq_allowed(int *freqs, int freq)
953
0
{
954
0
  int i;
955
956
0
  if (freqs == NULL)
957
0
    return 1;
958
959
0
  for (i = 0; freqs[i]; i++)
960
0
    if (freqs[i] == freq)
961
0
      return 1;
962
0
  return 0;
963
0
}
964
965
966
static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
967
          struct wpa_bss *bss, int debug_print)
968
0
{
969
0
  const struct hostapd_hw_modes *mode = NULL, *modes;
970
0
  const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
971
0
  const u8 *rate_ie;
972
0
  int i, j, k;
973
974
0
  if (bss->freq == 0)
975
0
    return 1; /* Cannot do matching without knowing band */
976
977
0
  modes = wpa_s->hw.modes;
978
0
  if (modes == NULL) {
979
    /*
980
     * The driver does not provide any additional information
981
     * about the utilized hardware, so allow the connection attempt
982
     * to continue.
983
     */
984
0
    return 1;
985
0
  }
986
987
0
  for (i = 0; i < wpa_s->hw.num_modes; i++) {
988
0
    for (j = 0; j < modes[i].num_channels; j++) {
989
0
      int freq = modes[i].channels[j].freq;
990
0
      if (freq == bss->freq) {
991
0
        if (mode &&
992
0
            mode->mode == HOSTAPD_MODE_IEEE80211G)
993
0
          break; /* do not allow 802.11b replace
994
            * 802.11g */
995
0
        mode = &modes[i];
996
0
        break;
997
0
      }
998
0
    }
999
0
  }
1000
1001
0
  if (mode == NULL)
1002
0
    return 0;
1003
1004
0
  for (i = 0; i < (int) sizeof(scan_ie); i++) {
1005
0
    rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
1006
0
    if (rate_ie == NULL)
1007
0
      continue;
1008
1009
0
    for (j = 2; j < rate_ie[1] + 2; j++) {
1010
0
      int flagged = !!(rate_ie[j] & 0x80);
1011
0
      int r = (rate_ie[j] & 0x7f) * 5;
1012
1013
      /*
1014
       * IEEE Std 802.11n-2009 7.3.2.2:
1015
       * The new BSS Membership selector value is encoded
1016
       * like a legacy basic rate, but it is not a rate and
1017
       * only indicates if the BSS members are required to
1018
       * support the mandatory features of Clause 20 [HT PHY]
1019
       * in order to join the BSS.
1020
       */
1021
0
      if (flagged && ((rate_ie[j] & 0x7f) ==
1022
0
          BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
1023
0
        if (!ht_supported(mode)) {
1024
0
          if (debug_print)
1025
0
            wpa_dbg(wpa_s, MSG_DEBUG,
1026
0
              "   hardware does not support HT PHY");
1027
0
          return 0;
1028
0
        }
1029
0
        continue;
1030
0
      }
1031
1032
      /* There's also a VHT selector for 802.11ac */
1033
0
      if (flagged && ((rate_ie[j] & 0x7f) ==
1034
0
          BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) {
1035
0
        if (!vht_supported(mode)) {
1036
0
          if (debug_print)
1037
0
            wpa_dbg(wpa_s, MSG_DEBUG,
1038
0
              "   hardware does not support VHT PHY");
1039
0
          return 0;
1040
0
        }
1041
0
        continue;
1042
0
      }
1043
1044
0
      if (flagged && ((rate_ie[j] & 0x7f) ==
1045
0
          BSS_MEMBERSHIP_SELECTOR_HE_PHY)) {
1046
0
        if (!he_supported(mode, IEEE80211_MODE_INFRA)) {
1047
0
          if (debug_print)
1048
0
            wpa_dbg(wpa_s, MSG_DEBUG,
1049
0
              "   hardware does not support HE PHY");
1050
0
          return 0;
1051
0
        }
1052
0
        continue;
1053
0
      }
1054
1055
0
      if (flagged && ((rate_ie[j] & 0x7f) ==
1056
0
          BSS_MEMBERSHIP_SELECTOR_EHT_PHY)) {
1057
0
        if (!eht_supported(mode, IEEE80211_MODE_INFRA))
1058
0
        {
1059
0
          if (debug_print)
1060
0
            wpa_dbg(wpa_s, MSG_DEBUG,
1061
0
              "   hardware does not support EHT PHY");
1062
0
          return 0;
1063
0
        }
1064
0
        continue;
1065
0
      }
1066
1067
#ifdef CONFIG_SAE
1068
      if (flagged && ((rate_ie[j] & 0x7f) ==
1069
          BSS_MEMBERSHIP_SELECTOR_SAE_H2E_ONLY)) {
1070
        if (wpas_get_ssid_sae_pwe(wpa_s, ssid) ==
1071
            SAE_PWE_HUNT_AND_PECK &&
1072
            !ssid->sae_password_id &&
1073
            !is_6ghz_freq(bss->freq) &&
1074
            wpa_key_mgmt_sae(ssid->key_mgmt)) {
1075
          if (debug_print)
1076
            wpa_dbg(wpa_s, MSG_DEBUG,
1077
              "   SAE H2E disabled");
1078
#ifdef CONFIG_TESTING_OPTIONS
1079
          if (wpa_s->ignore_sae_h2e_only) {
1080
            wpa_dbg(wpa_s, MSG_DEBUG,
1081
              "TESTING: Ignore SAE H2E requirement mismatch");
1082
            continue;
1083
          }
1084
#endif /* CONFIG_TESTING_OPTIONS */
1085
          return 0;
1086
        }
1087
        continue;
1088
      }
1089
#endif /* CONFIG_SAE */
1090
1091
0
      if (!flagged)
1092
0
        continue;
1093
1094
      /* check for legacy basic rates */
1095
0
      for (k = 0; k < mode->num_rates; k++) {
1096
0
        if (mode->rates[k] == r)
1097
0
          break;
1098
0
      }
1099
0
      if (k == mode->num_rates) {
1100
        /*
1101
         * IEEE Std 802.11-2007 7.3.2.2 demands that in
1102
         * order to join a BSS all required rates
1103
         * have to be supported by the hardware.
1104
         */
1105
0
        if (debug_print)
1106
0
          wpa_dbg(wpa_s, MSG_DEBUG,
1107
0
            "   hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)",
1108
0
            r / 10, r % 10,
1109
0
            bss->freq, mode->mode, mode->num_rates);
1110
0
        return 0;
1111
0
      }
1112
0
    }
1113
0
  }
1114
1115
0
  return 1;
1116
0
}
1117
1118
1119
/*
1120
 * Test whether BSS is in an ESS.
1121
 * This is done differently in DMG (60 GHz) and non-DMG bands
1122
 */
1123
static int bss_is_ess(struct wpa_bss *bss)
1124
0
{
1125
0
  if (bss_is_dmg(bss)) {
1126
0
    return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
1127
0
      IEEE80211_CAP_DMG_AP;
1128
0
  }
1129
1130
0
  return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
1131
0
    IEEE80211_CAP_ESS);
1132
0
}
1133
1134
1135
static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask)
1136
0
{
1137
0
  size_t i;
1138
1139
0
  for (i = 0; i < ETH_ALEN; i++) {
1140
0
    if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i]))
1141
0
      return 0;
1142
0
  }
1143
0
  return 1;
1144
0
}
1145
1146
1147
static int addr_in_list(const u8 *addr, const u8 *list, size_t num)
1148
0
{
1149
0
  size_t i;
1150
1151
0
  for (i = 0; i < num; i++) {
1152
0
    const u8 *a = list + i * ETH_ALEN * 2;
1153
0
    const u8 *m = a + ETH_ALEN;
1154
1155
0
    if (match_mac_mask(a, addr, m))
1156
0
      return 1;
1157
0
  }
1158
0
  return 0;
1159
0
}
1160
1161
1162
static void owe_trans_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
1163
         const u8 **ret_ssid, size_t *ret_ssid_len)
1164
0
{
1165
#ifdef CONFIG_OWE
1166
  const u8 *owe, *bssid;
1167
1168
  owe = wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE);
1169
  if (!owe || !wpa_bss_get_rsne(wpa_s, bss, NULL, false))
1170
    return;
1171
1172
  if (wpas_get_owe_trans_network(owe, &bssid, ret_ssid, ret_ssid_len))
1173
    return;
1174
1175
  /* Match the profile SSID against the OWE transition mode SSID on the
1176
   * open network. */
1177
  wpa_dbg(wpa_s, MSG_DEBUG, "OWE: transition mode BSSID: " MACSTR
1178
    " SSID: %s", MAC2STR(bssid),
1179
    wpa_ssid_txt(*ret_ssid, *ret_ssid_len));
1180
1181
  if (!(bss->flags & WPA_BSS_OWE_TRANSITION)) {
1182
    struct wpa_ssid *ssid;
1183
1184
    for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1185
      if (wpas_network_disabled(wpa_s, ssid))
1186
        continue;
1187
      if (ssid->ssid_len == *ret_ssid_len &&
1188
          os_memcmp(ssid->ssid, *ret_ssid, *ret_ssid_len) ==
1189
          0) {
1190
        /* OWE BSS in transition mode for a currently
1191
         * enabled OWE network. */
1192
        wpa_dbg(wpa_s, MSG_DEBUG,
1193
          "OWE: transition mode OWE SSID for active OWE profile");
1194
        bss->flags |= WPA_BSS_OWE_TRANSITION;
1195
        break;
1196
      }
1197
    }
1198
  }
1199
#endif /* CONFIG_OWE */
1200
0
}
1201
1202
1203
static bool wpas_valid_ml_bss(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
1204
0
{
1205
0
  u16 removed_links;
1206
1207
0
  if (!bss->valid_links)
1208
0
    return true;
1209
1210
  /* Check if the current BSS is going to be removed */
1211
0
  removed_links = wpa_bss_parse_reconf_ml_element(wpa_s, bss);
1212
0
  if (BIT(bss->mld_link_id) & removed_links)
1213
0
    return false;
1214
1215
0
  return true;
1216
0
}
1217
1218
1219
int disabled_freq(struct wpa_supplicant *wpa_s, int freq)
1220
0
{
1221
0
  int i, j;
1222
1223
0
  if (!wpa_s->hw.modes || !wpa_s->hw.num_modes)
1224
0
    return 0;
1225
1226
0
  for (j = 0; j < wpa_s->hw.num_modes; j++) {
1227
0
    struct hostapd_hw_modes *mode = &wpa_s->hw.modes[j];
1228
1229
0
    for (i = 0; i < mode->num_channels; i++) {
1230
0
      struct hostapd_channel_data *chan = &mode->channels[i];
1231
1232
0
      if (chan->freq == freq)
1233
0
        return !!(chan->flag & HOSTAPD_CHAN_DISABLED);
1234
0
    }
1235
0
  }
1236
1237
0
  return 1;
1238
0
}
1239
1240
1241
static bool wpa_scan_res_ok(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
1242
          const u8 *match_ssid, size_t match_ssid_len,
1243
          struct wpa_bss *bss, int bssid_ignore_count,
1244
          bool debug_print, bool link);
1245
1246
1247
#ifdef CONFIG_SAE_PK
1248
static bool sae_pk_acceptable_bss_with_pk(struct wpa_supplicant *wpa_s,
1249
            struct wpa_bss *orig_bss,
1250
            struct wpa_ssid *ssid,
1251
            const u8 *match_ssid,
1252
            size_t match_ssid_len)
1253
{
1254
  struct wpa_bss *bss;
1255
1256
  dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1257
    int count;
1258
    const u8 *ie;
1259
1260
    if (bss == orig_bss)
1261
      continue;
1262
    ie = wpa_bss_get_rsnxe(wpa_s, bss, ssid, false);
1263
    if (!(ieee802_11_rsnx_capab(ie, WLAN_RSNX_CAPAB_SAE_PK)))
1264
      continue;
1265
1266
    /* TODO: Could be more thorough in checking what kind of
1267
     * signal strength or throughput estimate would be acceptable
1268
     * compared to the originally selected BSS. */
1269
    if (bss->est_throughput < 2000)
1270
      return false;
1271
1272
    count = wpa_bssid_ignore_is_listed(wpa_s, bss->bssid);
1273
    if (wpa_scan_res_ok(wpa_s, ssid, match_ssid, match_ssid_len,
1274
            bss, count, false, false))
1275
      return true;
1276
  }
1277
1278
  return false;
1279
}
1280
#endif /* CONFIG_SAE_PK */
1281
1282
1283
static bool wpa_scan_res_ok(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
1284
          const u8 *match_ssid, size_t match_ssid_len,
1285
          struct wpa_bss *bss, int bssid_ignore_count,
1286
          bool debug_print, bool link)
1287
0
{
1288
0
  int res;
1289
0
  bool wpa, check_ssid = false;
1290
#ifdef CONFIG_MBO
1291
  const u8 *assoc_disallow;
1292
#endif /* CONFIG_MBO */
1293
#ifdef CONFIG_SAE
1294
  u8 rsnxe_capa = 0;
1295
  enum sae_pwe sae_pwe;
1296
#endif /* CONFIG_SAE */
1297
0
  const u8 *ie;
1298
1299
0
  ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1300
0
  wpa = ie && ie[1];
1301
0
  ie = wpa_bss_get_rsne(wpa_s, bss, ssid, false);
1302
0
  wpa |= ie && ie[1];
1303
1304
#ifdef CONFIG_SAE
1305
  ie = wpa_bss_get_rsnxe(wpa_s, bss, ssid, false);
1306
  if (ie && ie[0] == WLAN_EID_VENDOR_SPECIFIC && ie[1] >= 4 + 1)
1307
    rsnxe_capa = ie[4 + 2];
1308
  else if (ie && ie[1] >= 1)
1309
    rsnxe_capa = ie[2];
1310
#endif /* CONFIG_SAE */
1311
1312
0
  check_ssid = wpa || ssid->ssid_len > 0;
1313
1314
0
  if (wpas_network_disabled(wpa_s, ssid)) {
1315
0
    if (debug_print)
1316
0
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - disabled");
1317
0
    return false;
1318
0
  }
1319
1320
0
  res = wpas_temp_disabled(wpa_s, ssid);
1321
0
  if (res > 0) {
1322
0
    if (debug_print)
1323
0
      wpa_dbg(wpa_s, MSG_DEBUG,
1324
0
        "   skip - disabled temporarily for %d second(s)",
1325
0
        res);
1326
0
    return false;
1327
0
  }
1328
1329
#ifdef CONFIG_WPS
1330
  if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && bssid_ignore_count) {
1331
    if (debug_print)
1332
      wpa_dbg(wpa_s, MSG_DEBUG,
1333
        "   skip - BSSID ignored (WPS)");
1334
    return false;
1335
  }
1336
1337
  if (wpa && ssid->ssid_len == 0 &&
1338
      wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
1339
    check_ssid = false;
1340
1341
  if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
1342
    /* Only allow wildcard SSID match if an AP advertises active
1343
     * WPS operation that matches our mode. */
1344
    check_ssid = ssid->ssid_len > 0 ||
1345
      !wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss);
1346
  }
1347
#endif /* CONFIG_WPS */
1348
1349
0
  if (ssid->bssid_set && ssid->ssid_len == 0 &&
1350
0
      ether_addr_equal(bss->bssid, ssid->bssid))
1351
0
    check_ssid = false;
1352
1353
0
  if (check_ssid &&
1354
0
      (match_ssid_len != ssid->ssid_len ||
1355
0
       os_memcmp(match_ssid, ssid->ssid, match_ssid_len) != 0)) {
1356
0
    if (debug_print)
1357
0
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - SSID mismatch");
1358
0
    return false;
1359
0
  }
1360
1361
0
  if (!link && ssid->bssid_set &&
1362
0
      !ether_addr_equal(bss->bssid, ssid->bssid)) {
1363
0
    if (debug_print)
1364
0
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - BSSID mismatch");
1365
0
    return false;
1366
0
  }
1367
1368
  /* check the list of BSSIDs to ignore */
1369
0
  if (ssid->num_bssid_ignore &&
1370
0
      addr_in_list(bss->bssid, ssid->bssid_ignore,
1371
0
       ssid->num_bssid_ignore)) {
1372
0
    if (debug_print)
1373
0
      wpa_dbg(wpa_s, MSG_DEBUG,
1374
0
        "   skip - BSSID configured to be ignored");
1375
0
    return false;
1376
0
  }
1377
1378
  /* if there is a list of accepted BSSIDs, only accept those APs */
1379
0
  if (ssid->num_bssid_accept &&
1380
0
      !addr_in_list(bss->bssid, ssid->bssid_accept,
1381
0
        ssid->num_bssid_accept)) {
1382
0
    if (debug_print)
1383
0
      wpa_dbg(wpa_s, MSG_DEBUG,
1384
0
        "   skip - BSSID not in list of accepted values");
1385
0
    return false;
1386
0
  }
1387
1388
0
  if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss, debug_print))
1389
0
    return false;
1390
1391
0
  if (!wpa &&
1392
0
      !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
1393
0
      !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
1394
0
      !(ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
1395
0
      !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
1396
0
    if (debug_print)
1397
0
      wpa_dbg(wpa_s, MSG_DEBUG,
1398
0
        "   skip - non-WPA network not allowed");
1399
0
    return false;
1400
0
  }
1401
1402
#ifdef CONFIG_WEP
1403
  if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) && has_wep_key(ssid)) {
1404
    if (debug_print)
1405
      wpa_dbg(wpa_s, MSG_DEBUG,
1406
        "   skip - ignore WPA/WPA2 AP for WEP network block");
1407
    return false;
1408
  }
1409
#endif /* CONFIG_WEP */
1410
1411
0
  if (!wpa_supplicant_match_privacy(bss, ssid)) {
1412
0
    if (debug_print)
1413
0
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - privacy mismatch");
1414
0
    return false;
1415
0
  }
1416
1417
0
  if (ssid->mode != WPAS_MODE_MESH && !bss_is_ess(bss) &&
1418
0
      !bss_is_pbss(bss)) {
1419
0
    if (debug_print)
1420
0
      wpa_dbg(wpa_s, MSG_DEBUG,
1421
0
        "   skip - not ESS, PBSS, or MBSS");
1422
0
    return false;
1423
0
  }
1424
1425
0
  if (ssid->pbss != 2 && ssid->pbss != bss_is_pbss(bss)) {
1426
0
    if (debug_print)
1427
0
      wpa_dbg(wpa_s, MSG_DEBUG,
1428
0
        "   skip - PBSS mismatch (ssid %d bss %d)",
1429
0
        ssid->pbss, bss_is_pbss(bss));
1430
0
    return false;
1431
0
  }
1432
1433
0
  if (!freq_allowed(ssid->freq_list, bss->freq)) {
1434
0
    if (debug_print)
1435
0
      wpa_dbg(wpa_s, MSG_DEBUG,
1436
0
        "   skip - frequency not allowed");
1437
0
    return false;
1438
0
  }
1439
1440
#ifdef CONFIG_MESH
1441
  if (ssid->mode == WPAS_MODE_MESH && ssid->frequency > 0 &&
1442
      ssid->frequency != bss->freq) {
1443
    if (debug_print)
1444
      wpa_dbg(wpa_s, MSG_DEBUG,
1445
        "   skip - frequency not allowed (mesh)");
1446
    return false;
1447
  }
1448
#endif /* CONFIG_MESH */
1449
1450
0
  if (!rate_match(wpa_s, ssid, bss, debug_print)) {
1451
0
    if (debug_print)
1452
0
      wpa_dbg(wpa_s, MSG_DEBUG,
1453
0
        "   skip - rate sets do not match");
1454
0
    return false;
1455
0
  }
1456
1457
#ifdef CONFIG_SAE
1458
  /* When using SAE Password Identifier and when operationg on the 6 GHz
1459
   * band, only H2E is allowed. */
1460
  sae_pwe = wpas_get_ssid_sae_pwe(wpa_s, ssid);
1461
  if ((sae_pwe == SAE_PWE_HASH_TO_ELEMENT ||
1462
       wpa_key_mgmt_only_sae_ext_key(ssid->key_mgmt) ||
1463
       is_6ghz_freq(bss->freq) || ssid->sae_password_id) &&
1464
      sae_pwe != SAE_PWE_FORCE_HUNT_AND_PECK &&
1465
      wpa_key_mgmt_only_sae(ssid->key_mgmt) &&
1466
      !(rsnxe_capa & BIT(WLAN_RSNX_CAPAB_SAE_H2E))) {
1467
    if (debug_print)
1468
      wpa_dbg(wpa_s, MSG_DEBUG,
1469
        "   skip - SAE H2E required, but not supported by the AP");
1470
    return false;
1471
  }
1472
#endif /* CONFIG_SAE */
1473
1474
#ifdef CONFIG_SAE_PK
1475
  if (ssid->sae_pk == SAE_PK_MODE_ONLY &&
1476
      !(rsnxe_capa & BIT(WLAN_RSNX_CAPAB_SAE_PK))) {
1477
    if (debug_print)
1478
      wpa_dbg(wpa_s, MSG_DEBUG,
1479
        "   skip - SAE-PK required, but not supported by the AP");
1480
    return false;
1481
  }
1482
#endif /* CONFIG_SAE_PK */
1483
1484
0
#ifndef CONFIG_IBSS_RSN
1485
0
  if (ssid->mode == WPAS_MODE_IBSS &&
1486
0
      !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE | WPA_KEY_MGMT_WPA_NONE))) {
1487
0
    if (debug_print)
1488
0
      wpa_dbg(wpa_s, MSG_DEBUG,
1489
0
        "   skip - IBSS RSN not supported in the build");
1490
0
    return false;
1491
0
  }
1492
0
#endif /* !CONFIG_IBSS_RSN */
1493
1494
#ifdef CONFIG_P2P
1495
  if (ssid->p2p_group &&
1496
      !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
1497
      !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
1498
    if (debug_print)
1499
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - no P2P IE seen");
1500
    return false;
1501
  }
1502
1503
  if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) {
1504
    struct wpabuf *p2p_ie;
1505
    u8 dev_addr[ETH_ALEN];
1506
1507
    ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1508
    if (!ie) {
1509
      if (debug_print)
1510
        wpa_dbg(wpa_s, MSG_DEBUG,
1511
          "   skip - no P2P element");
1512
      return false;
1513
    }
1514
    p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
1515
    if (!p2p_ie) {
1516
      if (debug_print)
1517
        wpa_dbg(wpa_s, MSG_DEBUG,
1518
          "   skip - could not fetch P2P element");
1519
      return false;
1520
    }
1521
1522
    if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0 ||
1523
        !ether_addr_equal(dev_addr, ssid->go_p2p_dev_addr)) {
1524
      if (debug_print)
1525
        wpa_dbg(wpa_s, MSG_DEBUG,
1526
          "   skip - no matching GO P2P Device Address in P2P element");
1527
      wpabuf_free(p2p_ie);
1528
      return false;
1529
    }
1530
    wpabuf_free(p2p_ie);
1531
  }
1532
1533
  /*
1534
   * TODO: skip the AP if its P2P IE has Group Formation bit set in the
1535
   * P2P Group Capability Bitmap and we are not in Group Formation with
1536
   * that device.
1537
   */
1538
#endif /* CONFIG_P2P */
1539
1540
0
  if (os_reltime_before(&bss->last_update, &wpa_s->scan_min_time)) {
1541
0
    struct os_reltime diff;
1542
1543
0
    os_reltime_sub(&wpa_s->scan_min_time, &bss->last_update, &diff);
1544
0
    if (debug_print)
1545
0
      wpa_dbg(wpa_s, MSG_DEBUG,
1546
0
        "   skip - scan result not recent enough (%u.%06u seconds too old)",
1547
0
        (unsigned int) diff.sec,
1548
0
        (unsigned int) diff.usec);
1549
0
    return false;
1550
0
  }
1551
#ifdef CONFIG_MBO
1552
#ifdef CONFIG_TESTING_OPTIONS
1553
  if (wpa_s->ignore_assoc_disallow)
1554
    goto skip_assoc_disallow;
1555
#endif /* CONFIG_TESTING_OPTIONS */
1556
  assoc_disallow = wpas_mbo_check_assoc_disallow(bss);
1557
  if (assoc_disallow && assoc_disallow[1] >= 1) {
1558
    if (debug_print)
1559
      wpa_dbg(wpa_s, MSG_DEBUG,
1560
        "   skip - MBO association disallowed (reason %u)",
1561
        assoc_disallow[2]);
1562
    return false;
1563
  }
1564
1565
  if (wpa_is_bss_tmp_disallowed(wpa_s, bss)) {
1566
    if (debug_print)
1567
      wpa_dbg(wpa_s, MSG_DEBUG,
1568
        "   skip - AP temporarily disallowed");
1569
    return false;
1570
  }
1571
#ifdef CONFIG_TESTING_OPTIONS
1572
skip_assoc_disallow:
1573
#endif /* CONFIG_TESTING_OPTIONS */
1574
#endif /* CONFIG_MBO */
1575
1576
#ifdef CONFIG_DPP
1577
  if ((ssid->key_mgmt & WPA_KEY_MGMT_DPP) &&
1578
      !wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, wpa_s->own_addr,
1579
         ssid) &&
1580
      (!ssid->dpp_connector || !ssid->dpp_netaccesskey ||
1581
       !ssid->dpp_csign)) {
1582
    if (debug_print)
1583
      wpa_dbg(wpa_s, MSG_DEBUG,
1584
        "   skip - no PMKSA entry for DPP");
1585
    return false;
1586
  }
1587
#endif /* CONFIG_DPP */
1588
1589
#ifdef CONFIG_SAE_PK
1590
  if (ssid->sae_pk == SAE_PK_MODE_AUTOMATIC &&
1591
      wpa_key_mgmt_sae(ssid->key_mgmt) &&
1592
      ((ssid->sae_password &&
1593
        sae_pk_valid_password(ssid->sae_password)) ||
1594
       (!ssid->sae_password && ssid->passphrase &&
1595
        sae_pk_valid_password(ssid->passphrase))) &&
1596
      !(rsnxe_capa & BIT(WLAN_RSNX_CAPAB_SAE_PK)) &&
1597
      sae_pk_acceptable_bss_with_pk(wpa_s, bss, ssid, match_ssid,
1598
            match_ssid_len)) {
1599
    if (debug_print)
1600
      wpa_dbg(wpa_s, MSG_DEBUG,
1601
        "   skip - another acceptable BSS with SAE-PK in the same ESS");
1602
    return false;
1603
  }
1604
#endif /* CONFIG_SAE_PK */
1605
1606
0
  if (bss->ssid_len == 0) {
1607
#ifdef CONFIG_OWE
1608
    const u8 *owe_ssid = NULL;
1609
    size_t owe_ssid_len = 0;
1610
1611
    owe_trans_ssid(wpa_s, bss, &owe_ssid, &owe_ssid_len);
1612
    if (owe_ssid && owe_ssid_len &&
1613
        owe_ssid_len == ssid->ssid_len &&
1614
        os_memcmp(owe_ssid, ssid->ssid, owe_ssid_len) == 0) {
1615
      if (debug_print)
1616
        wpa_dbg(wpa_s, MSG_DEBUG,
1617
          "   skip - no SSID in BSS entry for a possible OWE transition mode BSS");
1618
      int_array_add_unique(&wpa_s->owe_trans_scan_freq,
1619
               bss->freq);
1620
      return false;
1621
    }
1622
#endif /* CONFIG_OWE */
1623
0
    if (debug_print)
1624
0
      wpa_dbg(wpa_s, MSG_DEBUG,
1625
0
        "   skip - no SSID known for the BSS");
1626
0
    return false;
1627
0
  }
1628
1629
0
  if (!link && !wpas_valid_ml_bss(wpa_s, bss)) {
1630
0
    if (debug_print)
1631
0
      wpa_dbg(wpa_s, MSG_DEBUG,
1632
0
        "   skip - ML BSS going to be removed");
1633
0
    return false;
1634
0
  }
1635
1636
  /* Matching configuration found */
1637
0
  return true;
1638
0
}
1639
1640
1641
struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
1642
             int i, struct wpa_bss *bss,
1643
             struct wpa_ssid *group,
1644
             int only_first_ssid, int debug_print,
1645
             bool link)
1646
0
{
1647
0
  u8 wpa_ie_len, rsn_ie_len;
1648
0
  const u8 *ie;
1649
0
  struct wpa_ssid *ssid;
1650
0
  const u8 *match_ssid;
1651
0
  size_t match_ssid_len;
1652
0
  int bssid_ignore_count;
1653
1654
0
  ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1655
0
  wpa_ie_len = ie ? ie[1] : 0;
1656
1657
0
  ie = wpa_bss_get_rsne(wpa_s, bss, NULL, false);
1658
0
  rsn_ie_len = ie ? ie[1] : 0;
1659
1660
0
  if (debug_print) {
1661
0
    wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR
1662
0
      " ssid='%s' wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s",
1663
0
      i, MAC2STR(bss->bssid),
1664
0
      wpa_ssid_txt(bss->ssid, bss->ssid_len),
1665
0
      wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
1666
0
      bss->freq,
1667
0
      wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ?
1668
0
      " wps" : "",
1669
0
      (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
1670
0
       wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE))
1671
0
      ? " p2p" : "");
1672
0
  }
1673
1674
0
  bssid_ignore_count = wpa_bssid_ignore_is_listed(wpa_s, bss->bssid);
1675
0
  if (bssid_ignore_count) {
1676
0
    int limit = 1;
1677
0
    if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
1678
      /*
1679
       * When only a single network is enabled, we can
1680
       * trigger BSSID ignoring on the first failure. This
1681
       * should not be done with multiple enabled networks to
1682
       * avoid getting forced to move into a worse ESS on
1683
       * single error if there are no other BSSes of the
1684
       * current ESS.
1685
       */
1686
0
      limit = 0;
1687
0
    }
1688
0
    if (bssid_ignore_count > limit) {
1689
0
      if (debug_print) {
1690
0
        wpa_dbg(wpa_s, MSG_DEBUG,
1691
0
          "   skip - BSSID ignored (count=%d limit=%d)",
1692
0
          bssid_ignore_count, limit);
1693
0
      }
1694
0
      return NULL;
1695
0
    }
1696
0
  }
1697
1698
0
  match_ssid = bss->ssid;
1699
0
  match_ssid_len = bss->ssid_len;
1700
0
  owe_trans_ssid(wpa_s, bss, &match_ssid, &match_ssid_len);
1701
1702
0
  if (match_ssid_len == 0) {
1703
0
    if (debug_print)
1704
0
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - SSID not known");
1705
0
    return NULL;
1706
0
  }
1707
1708
0
  if (disallowed_bssid(wpa_s, bss->bssid)) {
1709
0
    if (debug_print)
1710
0
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - BSSID disallowed");
1711
0
    return NULL;
1712
0
  }
1713
1714
0
  if (disallowed_ssid(wpa_s, match_ssid, match_ssid_len)) {
1715
0
    if (debug_print)
1716
0
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - SSID disallowed");
1717
0
    return NULL;
1718
0
  }
1719
1720
0
  if (disabled_freq(wpa_s, bss->freq)) {
1721
0
    if (debug_print)
1722
0
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - channel disabled");
1723
0
    return NULL;
1724
0
  }
1725
1726
0
  if (wnm_is_bss_excluded(wpa_s, bss)) {
1727
0
    if (debug_print)
1728
0
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - BSSID excluded");
1729
0
    return NULL;
1730
0
  }
1731
1732
0
  for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) {
1733
0
    if (wpa_scan_res_ok(wpa_s, ssid, match_ssid, match_ssid_len,
1734
0
            bss, bssid_ignore_count, debug_print, link))
1735
0
      return ssid;
1736
0
  }
1737
1738
  /* No matching configuration found */
1739
0
  return NULL;
1740
0
}
1741
1742
1743
struct wpa_bss *
1744
wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
1745
        struct wpa_ssid *group,
1746
        struct wpa_ssid **selected_ssid,
1747
        int only_first_ssid)
1748
1.12k
{
1749
1.12k
  unsigned int i;
1750
1751
1.12k
  if (wpa_s->current_ssid) {
1752
1.12k
    struct wpa_ssid *ssid;
1753
1754
1.12k
    wpa_dbg(wpa_s, MSG_DEBUG,
1755
1.12k
      "Scan results matching the currently selected network");
1756
1.12k
    for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1757
0
      struct wpa_bss *bss = wpa_s->last_scan_res[i];
1758
1759
0
      ssid = wpa_scan_res_match(wpa_s, i, bss, group,
1760
0
              only_first_ssid, 0, false);
1761
0
      if (ssid != wpa_s->current_ssid)
1762
0
        continue;
1763
0
      wpa_dbg(wpa_s, MSG_DEBUG, "%u: " MACSTR
1764
0
        " freq=%d level=%d snr=%d est_throughput=%u",
1765
0
        i, MAC2STR(bss->bssid), bss->freq, bss->level,
1766
0
        bss->snr, bss->est_throughput);
1767
0
    }
1768
1.12k
  }
1769
1770
1.12k
  if (only_first_ssid)
1771
1.12k
    wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d",
1772
1.12k
      group->id);
1773
0
  else
1774
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
1775
1.12k
      group->priority);
1776
1777
1.12k
  for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1778
0
    struct wpa_bss *bss = wpa_s->last_scan_res[i];
1779
1780
0
    wpa_s->owe_transition_select = 1;
1781
0
    *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group,
1782
0
                only_first_ssid, 1, false);
1783
0
    wpa_s->owe_transition_select = 0;
1784
0
    if (!*selected_ssid)
1785
0
      continue;
1786
0
    wpa_dbg(wpa_s, MSG_DEBUG, "   selected %sBSS " MACSTR
1787
0
      " ssid='%s'",
1788
0
      bss == wpa_s->current_bss ? "current ": "",
1789
0
      MAC2STR(bss->bssid),
1790
0
      wpa_ssid_txt(bss->ssid, bss->ssid_len));
1791
0
    return bss;
1792
0
  }
1793
1794
1.12k
  return NULL;
1795
1.12k
}
1796
1797
1798
struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1799
               struct wpa_ssid **selected_ssid,
1800
               bool clear_ignorelist)
1801
0
{
1802
0
  struct wpa_bss *selected = NULL;
1803
0
  size_t prio;
1804
0
  struct wpa_ssid *next_ssid = NULL;
1805
0
  struct wpa_ssid *ssid;
1806
1807
0
  if (wpa_s->last_scan_res == NULL ||
1808
0
      wpa_s->last_scan_res_used == 0)
1809
0
    return NULL; /* no scan results from last update */
1810
1811
0
  if (wpa_s->next_ssid) {
1812
    /* check that next_ssid is still valid */
1813
0
    for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1814
0
      if (ssid == wpa_s->next_ssid)
1815
0
        break;
1816
0
    }
1817
0
    next_ssid = ssid;
1818
0
    wpa_s->next_ssid = NULL;
1819
0
  }
1820
1821
0
  while (selected == NULL) {
1822
0
    for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1823
0
      if (next_ssid && next_ssid->priority ==
1824
0
          wpa_s->conf->pssid[prio]->priority) {
1825
0
        selected = wpa_supplicant_select_bss(
1826
0
          wpa_s, next_ssid, selected_ssid, 1);
1827
0
        if (selected)
1828
0
          break;
1829
0
      }
1830
0
      selected = wpa_supplicant_select_bss(
1831
0
        wpa_s, wpa_s->conf->pssid[prio],
1832
0
        selected_ssid, 0);
1833
0
      if (selected)
1834
0
        break;
1835
0
    }
1836
1837
0
    if (!selected &&
1838
0
        (wpa_s->bssid_ignore || wnm_active_bss_trans_mgmt(wpa_s)) &&
1839
0
        !wpa_s->countermeasures && clear_ignorelist) {
1840
0
      wpa_dbg(wpa_s, MSG_DEBUG,
1841
0
        "No APs found - clear BSSID ignore list and try again");
1842
0
      wnm_btm_reset(wpa_s);
1843
0
      wpa_bssid_ignore_clear(wpa_s);
1844
0
      wpa_s->bssid_ignore_cleared = true;
1845
0
    } else if (selected == NULL)
1846
0
      break;
1847
0
  }
1848
1849
0
  ssid = *selected_ssid;
1850
0
  if (selected && ssid && ssid->mem_only_psk && !ssid->psk_set &&
1851
0
      !ssid->passphrase && !ssid->ext_psk) {
1852
0
    const char *field_name, *txt = NULL;
1853
1854
0
    wpa_dbg(wpa_s, MSG_DEBUG,
1855
0
      "PSK/passphrase not yet available for the selected network");
1856
1857
0
    wpas_notify_network_request(wpa_s, ssid,
1858
0
              WPA_CTRL_REQ_PSK_PASSPHRASE, NULL);
1859
1860
0
    field_name = wpa_supplicant_ctrl_req_to_string(
1861
0
      WPA_CTRL_REQ_PSK_PASSPHRASE, NULL, &txt);
1862
0
    if (field_name == NULL)
1863
0
      return NULL;
1864
1865
0
    wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
1866
1867
0
    selected = NULL;
1868
0
  }
1869
1870
0
  return selected;
1871
0
}
1872
1873
1874
static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
1875
          int timeout_sec, int timeout_usec)
1876
0
{
1877
0
  if (!wpa_supplicant_enabled_networks(wpa_s)) {
1878
    /*
1879
     * No networks are enabled; short-circuit request so
1880
     * we don't wait timeout seconds before transitioning
1881
     * to INACTIVE state.
1882
     */
1883
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
1884
0
      "since there are no enabled networks");
1885
0
    wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
1886
0
    return;
1887
0
  }
1888
1889
0
  wpa_s->scan_for_connection = 1;
1890
0
  wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
1891
0
}
1892
1893
1894
static bool ml_link_probe_scan(struct wpa_supplicant *wpa_s)
1895
0
{
1896
0
  if (!wpa_s->ml_connect_probe_ssid || !wpa_s->ml_connect_probe_bss)
1897
0
    return false;
1898
1899
0
  wpa_msg(wpa_s, MSG_DEBUG,
1900
0
    "Request association with " MACSTR " after ML probe",
1901
0
    MAC2STR(wpa_s->ml_connect_probe_bss->bssid));
1902
1903
0
  wpa_supplicant_associate(wpa_s, wpa_s->ml_connect_probe_bss,
1904
0
         wpa_s->ml_connect_probe_ssid);
1905
1906
0
  wpa_s->ml_connect_probe_ssid = NULL;
1907
0
  wpa_s->ml_connect_probe_bss = NULL;
1908
1909
0
  return true;
1910
0
}
1911
1912
1913
static int wpa_supplicant_connect_ml_missing(struct wpa_supplicant *wpa_s,
1914
               struct wpa_bss *selected,
1915
               struct wpa_ssid *ssid)
1916
0
{
1917
0
  int *freqs;
1918
0
  u16 missing_links = 0, removed_links, usable_links;
1919
1920
0
  if (!((wpa_s->drv_flags2 & WPA_DRIVER_FLAGS2_MLO) &&
1921
0
        (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)))
1922
0
    return 0;
1923
1924
0
  usable_links = wpa_bss_get_usable_links(wpa_s, selected, ssid,
1925
0
            &missing_links);
1926
0
  if (!usable_links || !missing_links)
1927
0
    return 0;
1928
1929
0
  removed_links = wpa_bss_parse_reconf_ml_element(wpa_s, selected);
1930
0
  missing_links &= ~removed_links;
1931
1932
0
  if (!missing_links)
1933
0
    return 0;
1934
1935
0
  wpa_dbg(wpa_s, MSG_DEBUG,
1936
0
    "MLD: Doing an ML probe for missing links 0x%04x",
1937
0
    missing_links);
1938
1939
0
  freqs = os_malloc(sizeof(int) * 2);
1940
0
  if (!freqs)
1941
0
    return 0;
1942
1943
0
  wpa_s->ml_connect_probe_ssid = ssid;
1944
0
  wpa_s->ml_connect_probe_bss = selected;
1945
1946
0
  freqs[0] = selected->freq;
1947
0
  freqs[1] = 0;
1948
1949
0
  wpa_s->manual_scan_passive = 0;
1950
0
  wpa_s->manual_scan_use_id = 0;
1951
0
  wpa_s->manual_scan_only_new = 0;
1952
0
  wpa_s->scan_id_count = 0;
1953
0
  os_free(wpa_s->manual_scan_freqs);
1954
0
  wpa_s->manual_scan_freqs = freqs;
1955
1956
0
  os_memcpy(wpa_s->ml_probe_bssid, selected->bssid, ETH_ALEN);
1957
1958
  /*
1959
   * In case the ML probe request is intended to retrieve information from
1960
   * the transmitted BSS, the AP MLD ID should be included and should be
1961
   * set to zero.
1962
   * In case the ML probe requested is intended to retrieve information
1963
   * from a non-transmitted BSS, the AP MLD ID should not be included.
1964
   */
1965
0
  if (selected->mld_bss_non_transmitted)
1966
0
    wpa_s->ml_probe_mld_id = -1;
1967
0
  else
1968
0
    wpa_s->ml_probe_mld_id = 0;
1969
1970
0
  if (ssid && ssid->ssid_len) {
1971
0
    os_free(wpa_s->ssids_from_scan_req);
1972
0
    wpa_s->num_ssids_from_scan_req = 0;
1973
1974
0
    wpa_s->ssids_from_scan_req =
1975
0
      os_zalloc(sizeof(struct wpa_ssid_value));
1976
0
    if (wpa_s->ssids_from_scan_req) {
1977
0
      wpa_printf(MSG_DEBUG,
1978
0
           "MLD: ML probe: With direct SSID");
1979
1980
0
      wpa_s->num_ssids_from_scan_req = 1;
1981
0
      wpa_s->ssids_from_scan_req[0].ssid_len = ssid->ssid_len;
1982
0
      os_memcpy(wpa_s->ssids_from_scan_req[0].ssid,
1983
0
          ssid->ssid, ssid->ssid_len);
1984
0
    }
1985
0
  }
1986
1987
0
  wpa_s->ml_probe_links = missing_links;
1988
1989
0
  wpa_s->normal_scans = 0;
1990
0
  wpa_s->scan_req = MANUAL_SCAN_REQ;
1991
0
  wpa_s->after_wps = 0;
1992
0
  wpa_s->known_wps_freq = 0;
1993
0
  wpa_supplicant_req_scan(wpa_s, 0, 0);
1994
1995
0
  return 1;
1996
0
}
1997
1998
1999
int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
2000
         struct wpa_bss *selected,
2001
         struct wpa_ssid *ssid)
2002
0
{
2003
0
#ifdef IEEE8021X_EAPOL
2004
0
  if ((eap_is_wps_pbc_enrollee(&ssid->eap) &&
2005
0
       wpas_wps_partner_link_overlap_detect(wpa_s)) ||
2006
0
      wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
2007
0
    wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
2008
0
      "PBC session overlap");
2009
0
    wpas_notify_wps_event_pbc_overlap(wpa_s);
2010
0
    wpa_s->wps_overlap = true;
2011
#ifdef CONFIG_P2P
2012
    if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
2013
        wpa_s->p2p_in_provisioning) {
2014
      eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb,
2015
                 wpa_s, NULL);
2016
      return -1;
2017
    }
2018
#endif /* CONFIG_P2P */
2019
2020
#ifdef CONFIG_WPS
2021
    wpas_wps_pbc_overlap(wpa_s);
2022
    wpas_wps_cancel(wpa_s);
2023
#endif /* CONFIG_WPS */
2024
0
    return -1;
2025
0
  }
2026
0
#endif /* IEEE8021X_EAPOL */
2027
2028
0
  wpa_msg(wpa_s, MSG_DEBUG,
2029
0
    "Considering connect request: reassociate: %d  selected: "
2030
0
    MACSTR "  bssid: " MACSTR "  pending: " MACSTR
2031
0
    "  wpa_state: %s  ssid=%p  current_ssid=%p",
2032
0
    wpa_s->reassociate, MAC2STR(selected->bssid),
2033
0
    MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
2034
0
    wpa_supplicant_state_txt(wpa_s->wpa_state),
2035
0
    ssid, wpa_s->current_ssid);
2036
2037
  /*
2038
   * Do not trigger new association unless the BSSID has changed or if
2039
   * reassociation is requested. If we are in process of associating with
2040
   * the selected BSSID, do not trigger new attempt.
2041
   */
2042
0
  if (wpa_s->reassociate ||
2043
0
      (!ether_addr_equal(selected->bssid, wpa_s->bssid) &&
2044
0
       ((wpa_s->wpa_state != WPA_ASSOCIATING &&
2045
0
         wpa_s->wpa_state != WPA_AUTHENTICATING) ||
2046
0
        (!is_zero_ether_addr(wpa_s->pending_bssid) &&
2047
0
         !ether_addr_equal(selected->bssid, wpa_s->pending_bssid)) ||
2048
0
        (is_zero_ether_addr(wpa_s->pending_bssid) &&
2049
0
         ssid != wpa_s->current_ssid)))) {
2050
0
    if (wpa_supplicant_scard_init(wpa_s, ssid)) {
2051
0
      wpa_supplicant_req_new_scan(wpa_s, 10, 0);
2052
0
      return 0;
2053
0
    }
2054
2055
0
    if (wpa_supplicant_connect_ml_missing(wpa_s, selected, ssid))
2056
0
      return 0;
2057
2058
0
    wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
2059
0
      MAC2STR(selected->bssid));
2060
0
    wpa_supplicant_associate(wpa_s, selected, ssid);
2061
0
  } else {
2062
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
2063
0
      "connect with the selected AP");
2064
0
  }
2065
2066
0
  return 0;
2067
0
}
2068
2069
2070
static struct wpa_ssid *
2071
wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
2072
0
{
2073
0
  size_t prio;
2074
0
  struct wpa_ssid *ssid;
2075
2076
0
  for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
2077
0
    for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
2078
0
    {
2079
0
      if (wpas_network_disabled(wpa_s, ssid))
2080
0
        continue;
2081
0
#ifndef CONFIG_IBSS_RSN
2082
0
      if (ssid->mode == WPAS_MODE_IBSS &&
2083
0
          !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
2084
0
            WPA_KEY_MGMT_WPA_NONE))) {
2085
0
        wpa_msg(wpa_s, MSG_INFO,
2086
0
          "IBSS RSN not supported in the build - cannot use the profile for SSID '%s'",
2087
0
          wpa_ssid_txt(ssid->ssid,
2088
0
                 ssid->ssid_len));
2089
0
        continue;
2090
0
      }
2091
0
#endif /* !CONFIG_IBSS_RSN */
2092
0
      if (ssid->mode == WPAS_MODE_IBSS ||
2093
0
          ssid->mode == WPAS_MODE_AP ||
2094
0
          ssid->mode == WPAS_MODE_MESH)
2095
0
        return ssid;
2096
0
    }
2097
0
  }
2098
0
  return NULL;
2099
0
}
2100
2101
2102
/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
2103
 * on BSS added and BSS changed events */
2104
static void wpa_supplicant_rsn_preauth_scan_results(
2105
  struct wpa_supplicant *wpa_s)
2106
0
{
2107
0
  struct wpa_bss *bss;
2108
2109
0
  if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
2110
0
    return;
2111
2112
0
  dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
2113
0
    const u8 *ssid, *rsn;
2114
2115
0
    ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
2116
0
    if (ssid == NULL)
2117
0
      continue;
2118
2119
0
    rsn = wpa_bss_get_rsne(wpa_s, bss, NULL, false);
2120
0
    if (rsn == NULL)
2121
0
      continue;
2122
2123
0
    rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
2124
0
  }
2125
2126
0
}
2127
2128
2129
#ifndef CONFIG_NO_ROAMING
2130
2131
static int wpas_get_snr_signal_info(u32 frequency, int avg_signal, int noise)
2132
0
{
2133
0
  if (noise == WPA_INVALID_NOISE) {
2134
0
    if (IS_5GHZ(frequency)) {
2135
0
      noise = DEFAULT_NOISE_FLOOR_5GHZ;
2136
0
    } else if (is_6ghz_freq(frequency)) {
2137
0
      noise = DEFAULT_NOISE_FLOOR_6GHZ;
2138
0
    } else {
2139
0
      noise = DEFAULT_NOISE_FLOOR_2GHZ;
2140
0
    }
2141
0
  }
2142
0
  return avg_signal - noise;
2143
0
}
2144
2145
2146
static unsigned int
2147
wpas_get_est_throughput_from_bss_snr(const struct wpa_supplicant *wpa_s,
2148
             const struct wpa_bss *bss, int snr)
2149
0
{
2150
0
  int rate = wpa_bss_get_max_rate(bss);
2151
0
  const u8 *ies = wpa_bss_ie_ptr(bss);
2152
0
  size_t ie_len = bss->ie_len ? bss->ie_len : bss->beacon_ie_len;
2153
0
  enum chan_width max_cw = CHAN_WIDTH_UNKNOWN;
2154
2155
0
  return wpas_get_est_tpt(wpa_s, ies, ie_len, rate, snr, bss->freq,
2156
0
        &max_cw);
2157
0
}
2158
2159
2160
static int wpas_evaluate_band_score(int frequency)
2161
0
{
2162
0
  if (is_6ghz_freq(frequency))
2163
0
    return 2;
2164
0
  if (IS_5GHZ(frequency))
2165
0
    return 1;
2166
0
  return 0;
2167
0
}
2168
2169
2170
int wpa_supplicant_need_to_roam_within_ess(struct wpa_supplicant *wpa_s,
2171
             struct wpa_bss *current_bss,
2172
             struct wpa_bss *selected,
2173
             bool poll_current)
2174
0
{
2175
0
  int min_diff, diff;
2176
0
  int cur_band_score, sel_band_score;
2177
0
  int to_5ghz, to_6ghz;
2178
0
  int cur_level, sel_level;
2179
0
  unsigned int cur_est, sel_est;
2180
0
  struct wpa_signal_info si;
2181
0
  int cur_snr = 0;
2182
0
  int ret = 0;
2183
0
  const u8 *cur_ies = wpa_bss_ie_ptr(current_bss);
2184
0
  const u8 *sel_ies = wpa_bss_ie_ptr(selected);
2185
0
  size_t cur_ie_len = current_bss->ie_len ? current_bss->ie_len :
2186
0
    current_bss->beacon_ie_len;
2187
0
  size_t sel_ie_len = selected->ie_len ? selected->ie_len :
2188
0
    selected->beacon_ie_len;
2189
2190
0
  wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
2191
0
  wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR
2192
0
    " freq=%d level=%d snr=%d est_throughput=%u",
2193
0
    MAC2STR(current_bss->bssid),
2194
0
    current_bss->freq, current_bss->level,
2195
0
    current_bss->snr, current_bss->est_throughput);
2196
0
  wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR
2197
0
    " freq=%d level=%d snr=%d est_throughput=%u",
2198
0
    MAC2STR(selected->bssid), selected->freq, selected->level,
2199
0
    selected->snr, selected->est_throughput);
2200
2201
0
  if (wpas_ap_link_address(wpa_s, selected->bssid)) {
2202
0
    wpa_dbg(wpa_s, MSG_DEBUG, "MLD: associated to selected BSS");
2203
0
    return 0;
2204
0
  }
2205
2206
0
  if (wpa_s->current_ssid->bssid_set &&
2207
0
      ether_addr_equal(selected->bssid, wpa_s->current_ssid->bssid)) {
2208
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
2209
0
      "has preferred BSSID");
2210
0
    return 1;
2211
0
  }
2212
2213
  /*
2214
   * Try to poll the signal from the driver since this will allow to get
2215
   * more accurate values. In some cases, there can be big differences
2216
   * between the RSSI of the Probe Response frames of the AP we are
2217
   * associated with and the Beacon frames we hear from the same AP after
2218
   * association. This can happen, e.g., when there are two antennas that
2219
   * hear the AP very differently. If the driver chooses to hear the
2220
   * Probe Response frames during the scan on the "bad" antenna because
2221
   * it wants to save power, but knows to choose the other antenna after
2222
   * association, we will hear our AP with a low RSSI as part of the
2223
   * scan even when we can hear it decently on the other antenna. To cope
2224
   * with this, ask the driver to teach us how it hears the AP. Also, the
2225
   * scan results may be a bit old, since we can very quickly get fresh
2226
   * information about our currently associated AP.
2227
   */
2228
0
  if (poll_current && wpa_drv_signal_poll(wpa_s, &si) == 0 &&
2229
0
      (si.data.avg_beacon_signal || si.data.avg_signal)) {
2230
    /*
2231
     * Normalize avg_signal to the RSSI over 20 MHz, as the
2232
     * throughput is estimated based on the RSSI over 20 MHz
2233
     */
2234
0
    cur_level = si.data.avg_beacon_signal ?
2235
0
      si.data.avg_beacon_signal :
2236
0
      (si.data.avg_signal -
2237
0
       wpas_channel_width_rssi_bump(cur_ies, cur_ie_len,
2238
0
                  si.chanwidth));
2239
0
    cur_snr = wpas_get_snr_signal_info(si.frequency, cur_level,
2240
0
               si.current_noise);
2241
2242
0
    cur_est = wpas_get_est_throughput_from_bss_snr(wpa_s,
2243
0
                     current_bss,
2244
0
                     cur_snr);
2245
0
    wpa_dbg(wpa_s, MSG_DEBUG,
2246
0
      "Using signal poll values for the current BSS: level=%d snr=%d est_throughput=%u",
2247
0
      cur_level, cur_snr, cur_est);
2248
0
  } else {
2249
    /* Level and SNR are measured over 20 MHz channel */
2250
0
    cur_level = current_bss->level;
2251
0
    cur_snr = current_bss->snr;
2252
0
    cur_est = current_bss->est_throughput;
2253
0
  }
2254
2255
  /* Adjust the SNR of BSSes based on the channel width. */
2256
0
  cur_level += wpas_channel_width_rssi_bump(cur_ies, cur_ie_len,
2257
0
              current_bss->max_cw);
2258
0
  cur_snr = wpas_adjust_snr_by_chanwidth(cur_ies, cur_ie_len,
2259
0
                 current_bss->max_cw, cur_snr);
2260
2261
0
  sel_est = selected->est_throughput;
2262
0
  sel_level = selected->level +
2263
0
    wpas_channel_width_rssi_bump(sel_ies, sel_ie_len,
2264
0
               selected->max_cw);
2265
2266
0
  if (sel_est > cur_est + 5000) {
2267
0
    wpa_dbg(wpa_s, MSG_DEBUG,
2268
0
      "Allow reassociation - selected BSS has better estimated throughput");
2269
0
    return 1;
2270
0
  }
2271
2272
0
  to_5ghz = selected->freq > 4000 && current_bss->freq < 4000;
2273
0
  to_6ghz = is_6ghz_freq(selected->freq) &&
2274
0
    !is_6ghz_freq(current_bss->freq);
2275
2276
0
  if (cur_level < 0 &&
2277
0
      cur_level > sel_level + to_5ghz * 2 + to_6ghz * 2 &&
2278
0
      sel_est < cur_est * 1.2) {
2279
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
2280
0
      "signal level");
2281
0
    return 0;
2282
0
  }
2283
2284
0
  if (cur_est > sel_est + 5000) {
2285
0
    wpa_dbg(wpa_s, MSG_DEBUG,
2286
0
      "Skip roam - Current BSS has better estimated throughput");
2287
0
    return 0;
2288
0
  }
2289
2290
0
  if (cur_snr > GREAT_SNR) {
2291
0
    wpa_dbg(wpa_s, MSG_DEBUG,
2292
0
      "Skip roam - Current BSS has good SNR (%u > %u)",
2293
0
      cur_snr, GREAT_SNR);
2294
0
    return 0;
2295
0
  }
2296
2297
0
  if (cur_level < -85) /* ..-86 dBm */
2298
0
    min_diff = 1;
2299
0
  else if (cur_level < -80) /* -85..-81 dBm */
2300
0
    min_diff = 2;
2301
0
  else if (cur_level < -75) /* -80..-76 dBm */
2302
0
    min_diff = 3;
2303
0
  else if (cur_level < -70) /* -75..-71 dBm */
2304
0
    min_diff = 4;
2305
0
  else if (cur_level < 0) /* -70..-1 dBm */
2306
0
    min_diff = 5;
2307
0
  else /* unspecified units (not in dBm) */
2308
0
    min_diff = 2;
2309
2310
0
  if (cur_est > sel_est * 1.5)
2311
0
    min_diff += 10;
2312
0
  else if (cur_est > sel_est * 1.2)
2313
0
    min_diff += 5;
2314
0
  else if (cur_est > sel_est * 1.1)
2315
0
    min_diff += 2;
2316
0
  else if (cur_est > sel_est)
2317
0
    min_diff++;
2318
0
  else if (sel_est > cur_est * 1.5)
2319
0
    min_diff -= 10;
2320
0
  else if (sel_est > cur_est * 1.2)
2321
0
    min_diff -= 5;
2322
0
  else if (sel_est > cur_est * 1.1)
2323
0
    min_diff -= 2;
2324
0
  else if (sel_est > cur_est)
2325
0
    min_diff--;
2326
2327
0
  cur_band_score = wpas_evaluate_band_score(current_bss->freq);
2328
0
  sel_band_score = wpas_evaluate_band_score(selected->freq);
2329
0
  min_diff += (cur_band_score - sel_band_score) * 2;
2330
0
  if (wpa_s->signal_threshold && cur_level <= wpa_s->signal_threshold &&
2331
0
      sel_level > wpa_s->signal_threshold)
2332
0
    min_diff -= 2;
2333
0
  diff = sel_level - cur_level;
2334
0
  if (diff < min_diff) {
2335
0
    wpa_dbg(wpa_s, MSG_DEBUG,
2336
0
      "Skip roam - too small difference in signal level (%d < %d)",
2337
0
      diff, min_diff);
2338
0
    ret = 0;
2339
0
  } else {
2340
0
    wpa_dbg(wpa_s, MSG_DEBUG,
2341
0
      "Allow reassociation due to difference in signal level (%d >= %d)",
2342
0
      diff, min_diff);
2343
0
    ret = 1;
2344
0
  }
2345
0
  wpa_msg_ctrl(wpa_s, MSG_INFO, "%scur_bssid=" MACSTR
2346
0
         " cur_freq=%d cur_level=%d cur_est=%d sel_bssid=" MACSTR
2347
0
         " sel_freq=%d sel_level=%d sel_est=%d",
2348
0
         ret ? WPA_EVENT_DO_ROAM : WPA_EVENT_SKIP_ROAM,
2349
0
         MAC2STR(current_bss->bssid),
2350
0
         current_bss->freq, cur_level, cur_est,
2351
0
         MAC2STR(selected->bssid),
2352
0
         selected->freq, sel_level, sel_est);
2353
0
  return ret;
2354
0
}
2355
2356
#endif /* CONFIG_NO_ROAMING */
2357
2358
2359
static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
2360
               struct wpa_bss *selected,
2361
               struct wpa_ssid *ssid)
2362
0
{
2363
0
  struct wpa_bss *current_bss = NULL;
2364
0
  const u8 *bssid;
2365
2366
0
  if (wpa_s->reassociate)
2367
0
    return 1; /* explicit request to reassociate */
2368
0
  if (wpa_s->wpa_state < WPA_ASSOCIATED)
2369
0
    return 1; /* we are not associated; continue */
2370
0
  if (wpa_s->current_ssid == NULL)
2371
0
    return 1; /* unknown current SSID */
2372
0
  if (wpa_s->current_ssid != ssid)
2373
0
    return 1; /* different network block */
2374
2375
0
  if (wpas_driver_bss_selection(wpa_s))
2376
0
    return 0; /* Driver-based roaming */
2377
2378
0
  if (wpa_s->valid_links)
2379
0
    bssid = wpa_s->links[wpa_s->mlo_assoc_link_id].bssid;
2380
0
  else
2381
0
    bssid = wpa_s->bssid;
2382
2383
0
  if (wpa_s->current_ssid->ssid)
2384
0
    current_bss = wpa_bss_get(wpa_s, bssid,
2385
0
            wpa_s->current_ssid->ssid,
2386
0
            wpa_s->current_ssid->ssid_len);
2387
0
  if (!current_bss)
2388
0
    current_bss = wpa_bss_get_bssid(wpa_s, bssid);
2389
2390
0
  if (!current_bss)
2391
0
    return 1; /* current BSS not seen in scan results */
2392
2393
0
  if (current_bss == selected)
2394
0
    return 0;
2395
2396
0
  if (selected->last_update_idx > current_bss->last_update_idx)
2397
0
    return 1; /* current BSS not seen in the last scan */
2398
2399
0
#ifndef CONFIG_NO_ROAMING
2400
0
  return wpa_supplicant_need_to_roam_within_ess(wpa_s, current_bss,
2401
0
                  selected, true);
2402
#else /* CONFIG_NO_ROAMING */
2403
  return 0;
2404
#endif /* CONFIG_NO_ROAMING */
2405
0
}
2406
2407
2408
static int wpas_trigger_6ghz_scan(struct wpa_supplicant *wpa_s,
2409
          union wpa_event_data *data)
2410
0
{
2411
0
  struct wpa_driver_scan_params params;
2412
0
  unsigned int j;
2413
2414
0
  wpa_dbg(wpa_s, MSG_INFO, "Triggering 6GHz-only scan");
2415
0
  os_memset(&params, 0, sizeof(params));
2416
0
  params.non_coloc_6ghz = wpa_s->last_scan_non_coloc_6ghz;
2417
0
  for (j = 0; j < data->scan_info.num_ssids; j++)
2418
0
    params.ssids[j] = data->scan_info.ssids[j];
2419
0
  params.num_ssids = data->scan_info.num_ssids;
2420
0
  wpa_add_scan_freqs_list(wpa_s, HOSTAPD_MODE_IEEE80211A, &params,
2421
0
        true, false, false);
2422
0
  if (!wpa_supplicant_trigger_scan(wpa_s, &params, true, true)) {
2423
0
    wpa_s->scan_in_progress_6ghz = true;
2424
0
    wpas_notify_scan_in_progress_6ghz(wpa_s);
2425
0
    os_free(params.freqs);
2426
0
    return 1;
2427
0
  }
2428
0
  wpa_dbg(wpa_s, MSG_INFO, "Failed to trigger 6GHz-only scan");
2429
0
  os_free(params.freqs);
2430
0
  return 0;
2431
0
}
2432
2433
2434
static bool wpas_short_ssid_match(struct wpa_supplicant *wpa_s,
2435
          struct wpa_scan_results *scan_res)
2436
0
{
2437
0
  size_t i;
2438
0
  struct wpa_ssid *ssid = wpa_s->current_ssid;
2439
0
  u32 current_ssid_short = ieee80211_crc32(ssid->ssid, ssid->ssid_len);
2440
2441
0
  for (i = 0; i < scan_res->num; i++) {
2442
0
    struct wpa_scan_res *res = scan_res->res[i];
2443
0
    const u8 *rnr_ie, *ie_end;
2444
0
    const struct ieee80211_neighbor_ap_info *info;
2445
0
    size_t left;
2446
2447
0
    rnr_ie = wpa_scan_get_ie(res, WLAN_EID_REDUCED_NEIGHBOR_REPORT);
2448
0
    if (!rnr_ie)
2449
0
      continue;
2450
2451
0
    ie_end = rnr_ie + 2 + rnr_ie[1];
2452
0
    rnr_ie += 2;
2453
2454
0
    left = ie_end - rnr_ie;
2455
0
    if (left < sizeof(struct ieee80211_neighbor_ap_info))
2456
0
      continue;
2457
2458
0
    info = (const struct ieee80211_neighbor_ap_info *) rnr_ie;
2459
0
    if (info->tbtt_info_len < 11)
2460
0
      continue; /* short SSID not included */
2461
0
    left -= sizeof(struct ieee80211_neighbor_ap_info);
2462
0
    rnr_ie += sizeof(struct ieee80211_neighbor_ap_info);
2463
2464
0
    while (left >= info->tbtt_info_len && rnr_ie + 11 <= ie_end) {
2465
      /* Skip TBTT offset and BSSID */
2466
0
      u32 short_ssid = WPA_GET_LE32(rnr_ie + 1 + ETH_ALEN);
2467
2468
0
      if (short_ssid == current_ssid_short)
2469
0
        return true;
2470
2471
0
      left -= info->tbtt_info_len;
2472
0
      rnr_ie += info->tbtt_info_len;
2473
0
    }
2474
0
  }
2475
2476
0
  return false;
2477
0
}
2478
2479
2480
/*
2481
 * Return a negative value if no scan results could be fetched or if scan
2482
 * results should not be shared with other virtual interfaces.
2483
 * Return 0 if scan results were fetched and may be shared with other
2484
 * interfaces.
2485
 * Return 1 if scan results may be shared with other virtual interfaces but may
2486
 * not trigger any operations.
2487
 * Return 2 if the interface was removed and cannot be used.
2488
 */
2489
static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
2490
                union wpa_event_data *data,
2491
                int own_request, int update_only)
2492
0
{
2493
0
  struct wpa_scan_results *scan_res = NULL;
2494
0
  int ret = 0;
2495
0
  int ap = 0;
2496
0
  bool trigger_6ghz_scan;
2497
0
  bool short_ssid_match_found = false;
2498
#ifndef CONFIG_NO_RANDOM_POOL
2499
  size_t i, num;
2500
#endif /* CONFIG_NO_RANDOM_POOL */
2501
2502
#ifdef CONFIG_AP
2503
  if (wpa_s->ap_iface)
2504
    ap = 1;
2505
#endif /* CONFIG_AP */
2506
2507
0
  trigger_6ghz_scan = wpa_s->crossed_6ghz_dom &&
2508
0
    wpa_s->last_scan_all_chan;
2509
0
  wpa_s->crossed_6ghz_dom = false;
2510
0
  wpa_s->last_scan_all_chan = false;
2511
2512
0
  wpa_supplicant_notify_scanning(wpa_s, 0);
2513
2514
0
  scan_res = wpa_supplicant_get_scan_results(wpa_s,
2515
0
               data ? &data->scan_info :
2516
0
               NULL, 1, NULL);
2517
2518
0
  if (wpa_s->scan_in_progress_6ghz) {
2519
0
    wpa_s->scan_in_progress_6ghz = false;
2520
0
    wpas_notify_scan_in_progress_6ghz(wpa_s);
2521
0
  }
2522
2523
0
  if (scan_res == NULL) {
2524
0
    if (wpa_s->conf->ap_scan == 2 || ap ||
2525
0
        wpa_s->scan_res_handler == scan_only_handler)
2526
0
      return -1;
2527
0
    if (!own_request)
2528
0
      return -1;
2529
0
    if (data && data->scan_info.external_scan)
2530
0
      return -1;
2531
0
    if (wpa_s->scan_res_fail_handler) {
2532
0
      void (*handler)(struct wpa_supplicant *wpa_s);
2533
2534
0
      handler = wpa_s->scan_res_fail_handler;
2535
0
      wpa_s->scan_res_fail_handler = NULL;
2536
0
      handler(wpa_s);
2537
0
    } else {
2538
0
      wpa_dbg(wpa_s, MSG_DEBUG,
2539
0
        "Failed to get scan results - try scanning again");
2540
0
      wpa_supplicant_req_new_scan(wpa_s, 1, 0);
2541
0
    }
2542
2543
0
    ret = -1;
2544
0
    goto scan_work_done;
2545
0
  }
2546
2547
#ifndef CONFIG_NO_RANDOM_POOL
2548
  num = scan_res->num;
2549
  if (num > 10)
2550
    num = 10;
2551
  for (i = 0; i < num; i++) {
2552
    u8 buf[5];
2553
    struct wpa_scan_res *res = scan_res->res[i];
2554
    buf[0] = res->bssid[5];
2555
    buf[1] = res->qual & 0xff;
2556
    buf[2] = res->noise & 0xff;
2557
    buf[3] = res->level & 0xff;
2558
    buf[4] = res->tsf & 0xff;
2559
    random_add_randomness(buf, sizeof(buf));
2560
  }
2561
#endif /* CONFIG_NO_RANDOM_POOL */
2562
2563
0
  if (data) {
2564
0
    size_t idx;
2565
2566
0
    wpa_s->last_scan_external = data->scan_info.external_scan;
2567
0
    wpa_s->last_scan_num_ssids = data->scan_info.num_ssids;
2568
0
    for (idx = 0; idx < wpa_s->last_scan_num_ssids; idx++) {
2569
      /* Copy the SSID and its length */
2570
0
      if (idx >= WPAS_MAX_SCAN_SSIDS ||
2571
0
          data->scan_info.ssids[idx].ssid_len > SSID_MAX_LEN)
2572
0
        continue;
2573
2574
0
      os_memcpy(wpa_s->last_scan_ssids[idx].ssid,
2575
0
          data->scan_info.ssids[idx].ssid,
2576
0
          data->scan_info.ssids[idx].ssid_len);
2577
0
      wpa_s->last_scan_ssids[idx].ssid_len =
2578
0
        data->scan_info.ssids[idx].ssid_len;
2579
0
    }
2580
0
  } else {
2581
0
    wpa_s->last_scan_external = false;
2582
0
    wpa_s->last_scan_num_ssids = 0;
2583
0
  }
2584
2585
0
  if (update_only) {
2586
0
    ret = 1;
2587
0
    goto scan_work_done;
2588
0
  }
2589
2590
0
  if (own_request && wpa_s->scan_res_handler &&
2591
0
      !(data && data->scan_info.external_scan)) {
2592
0
    void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
2593
0
           struct wpa_scan_results *scan_res);
2594
2595
0
    scan_res_handler = wpa_s->scan_res_handler;
2596
0
    wpa_s->scan_res_handler = NULL;
2597
0
    scan_res_handler(wpa_s, scan_res);
2598
0
    ret = 1;
2599
0
    goto scan_work_done;
2600
0
  }
2601
2602
0
  wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)",
2603
0
    wpa_s->own_scan_running,
2604
0
    data ? data->scan_info.external_scan : 0);
2605
0
  if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
2606
0
      wpa_s->manual_scan_use_id && wpa_s->own_scan_running &&
2607
0
      own_request && !(data && data->scan_info.external_scan)) {
2608
0
    wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u",
2609
0
           wpa_s->manual_scan_id);
2610
0
    wpa_s->manual_scan_use_id = 0;
2611
0
  } else {
2612
0
    wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
2613
0
  }
2614
0
  wpas_notify_scan_results(wpa_s);
2615
2616
0
  wpas_notify_scan_done(wpa_s, 1);
2617
2618
0
  if (ap) {
2619
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
2620
#ifdef CONFIG_AP
2621
    if (wpa_s->ap_iface->scan_cb)
2622
      wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
2623
#endif /* CONFIG_AP */
2624
0
    goto scan_work_done;
2625
0
  }
2626
2627
0
  if (data && data->scan_info.external_scan) {
2628
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection");
2629
0
    wpa_scan_results_free(scan_res);
2630
0
    return 0;
2631
0
  }
2632
2633
0
  if (sme_proc_obss_scan(wpa_s) > 0)
2634
0
    goto scan_work_done;
2635
2636
0
#ifndef CONFIG_NO_RRM
2637
0
  if (own_request && data &&
2638
0
      wpas_beacon_rep_scan_process(wpa_s, scan_res, &data->scan_info) > 0)
2639
0
    goto scan_work_done;
2640
0
#endif /* CONFIG_NO_RRM */
2641
2642
0
  if (ml_link_probe_scan(wpa_s))
2643
0
    goto scan_work_done;
2644
2645
0
  if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)))
2646
0
    goto scan_work_done;
2647
2648
0
  if (autoscan_notify_scan(wpa_s, scan_res))
2649
0
    goto scan_work_done;
2650
2651
0
  if (wpa_s->disconnected) {
2652
0
    wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
2653
0
    goto scan_work_done;
2654
0
  }
2655
2656
0
  if (!wpas_driver_bss_selection(wpa_s) &&
2657
0
      bgscan_notify_scan(wpa_s, scan_res) == 1)
2658
0
    goto scan_work_done;
2659
2660
0
  wpas_wps_update_ap_info(wpa_s, scan_res);
2661
2662
0
  if (wnm_scan_process(wpa_s, false) > 0)
2663
0
    goto scan_work_done;
2664
2665
0
  if (wpa_s->wpa_state >= WPA_AUTHENTICATING &&
2666
0
      wpa_s->wpa_state < WPA_COMPLETED)
2667
0
    goto scan_work_done;
2668
2669
0
  if (wpa_s->current_ssid && trigger_6ghz_scan && own_request && data &&
2670
0
      wpas_short_ssid_match(wpa_s, scan_res)) {
2671
0
    wpa_dbg(wpa_s, MSG_INFO, "Short SSID match in scan results");
2672
0
    short_ssid_match_found = true;
2673
0
  }
2674
2675
0
  wpa_scan_results_free(scan_res);
2676
2677
0
  if (own_request && wpa_s->scan_work) {
2678
0
    struct wpa_radio_work *work = wpa_s->scan_work;
2679
0
    wpa_s->scan_work = NULL;
2680
0
    radio_work_done(work);
2681
0
  }
2682
2683
0
  os_free(wpa_s->last_scan_freqs);
2684
0
  wpa_s->last_scan_freqs = NULL;
2685
0
  if (own_request && data &&
2686
0
      data->scan_info.freqs && data->scan_info.num_freqs) {
2687
0
    wpa_s->last_scan_freqs =
2688
0
      os_malloc(sizeof(int) *
2689
0
          (data->scan_info.num_freqs + 1));
2690
0
    if (wpa_s->last_scan_freqs) {
2691
0
      os_memcpy(wpa_s->last_scan_freqs,
2692
0
          data->scan_info.freqs,
2693
0
          sizeof(int) * data->scan_info.num_freqs);
2694
0
      wpa_s->last_scan_freqs[data->scan_info.num_freqs] = 0;
2695
0
    }
2696
0
  }
2697
2698
0
  if (wpa_s->supp_pbc_active && !wpas_wps_partner_link_scan_done(wpa_s))
2699
0
    return ret;
2700
2701
0
  if (short_ssid_match_found && wpas_trigger_6ghz_scan(wpa_s, data) > 0)
2702
0
    return 1;
2703
2704
0
  return wpas_select_network_from_last_scan(wpa_s, 1, own_request,
2705
0
              trigger_6ghz_scan, data);
2706
2707
0
scan_work_done:
2708
0
  wpa_scan_results_free(scan_res);
2709
0
  if (own_request && wpa_s->scan_work) {
2710
0
    struct wpa_radio_work *work = wpa_s->scan_work;
2711
0
    wpa_s->scan_work = NULL;
2712
0
    radio_work_done(work);
2713
0
  }
2714
0
  return ret;
2715
0
}
2716
2717
2718
/**
2719
 * Select a network from the last scan
2720
 * @wpa_s: Pointer to wpa_supplicant data
2721
 * @new_scan: Whether this function was called right after a scan has finished
2722
 * @own_request: Whether the scan was requested by this interface
2723
 * @trigger_6ghz_scan: Whether to trigger a 6ghz-only scan when applicable
2724
 * @data: Scan data from scan that finished if applicable
2725
 *
2726
 * See _wpa_supplicant_event_scan_results() for return values.
2727
 */
2728
static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
2729
                int new_scan, int own_request,
2730
                bool trigger_6ghz_scan,
2731
                union wpa_event_data *data)
2732
0
{
2733
0
  struct wpa_bss *selected;
2734
0
  struct wpa_ssid *ssid = NULL;
2735
0
  int time_to_reenable = wpas_reenabled_network_time(wpa_s);
2736
2737
0
  if (time_to_reenable > 0) {
2738
0
    wpa_dbg(wpa_s, MSG_DEBUG,
2739
0
      "Postpone network selection by %d seconds since all networks are disabled",
2740
0
      time_to_reenable);
2741
0
    eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
2742
0
    eloop_register_timeout(time_to_reenable, 0,
2743
0
               wpas_network_reenabled, wpa_s, NULL);
2744
0
    return 0;
2745
0
  }
2746
2747
0
  if (wpa_s->p2p_mgmt)
2748
0
    return 0; /* no normal connection on p2p_mgmt interface */
2749
2750
0
  wpa_s->owe_transition_search = 0;
2751
#ifdef CONFIG_OWE
2752
  os_free(wpa_s->owe_trans_scan_freq);
2753
  wpa_s->owe_trans_scan_freq = NULL;
2754
#endif /* CONFIG_OWE */
2755
0
  selected = wpa_supplicant_pick_network(wpa_s, &ssid, new_scan);
2756
2757
#ifdef CONFIG_MESH
2758
  if (wpa_s->ifmsh) {
2759
    wpa_msg(wpa_s, MSG_INFO,
2760
      "Avoiding join because we already joined a mesh group");
2761
    return 0;
2762
  }
2763
#endif /* CONFIG_MESH */
2764
2765
0
  if (selected) {
2766
0
    int skip;
2767
0
    skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
2768
0
    if (skip) {
2769
0
      if (new_scan)
2770
0
        wpa_supplicant_rsn_preauth_scan_results(wpa_s);
2771
0
      return 0;
2772
0
    }
2773
2774
0
    wpa_s->suitable_network++;
2775
2776
0
    if (ssid != wpa_s->current_ssid &&
2777
0
        wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2778
0
      wpa_s->own_disconnect_req = 1;
2779
0
      wpa_supplicant_deauthenticate(
2780
0
        wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2781
0
    }
2782
2783
0
    if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
2784
0
      wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
2785
0
      return -1;
2786
0
    }
2787
0
    wpa_s->supp_pbc_active = false;
2788
2789
0
    if (new_scan)
2790
0
      wpa_supplicant_rsn_preauth_scan_results(wpa_s);
2791
    /*
2792
     * Do not allow other virtual radios to trigger operations based
2793
     * on these scan results since we do not want them to start
2794
     * other associations at the same time.
2795
     */
2796
0
    return 1;
2797
0
  } else {
2798
0
    wpa_s->no_suitable_network++;
2799
0
    wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
2800
0
    ssid = wpa_supplicant_pick_new_network(wpa_s);
2801
0
    if (ssid) {
2802
0
      wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
2803
0
      wpa_supplicant_associate(wpa_s, NULL, ssid);
2804
0
      if (new_scan)
2805
0
        wpa_supplicant_rsn_preauth_scan_results(wpa_s);
2806
0
    } else if (own_request) {
2807
0
      if (wpa_s->support_6ghz && trigger_6ghz_scan && data &&
2808
0
          wpas_trigger_6ghz_scan(wpa_s, data) > 0)
2809
0
        return 1;
2810
2811
      /*
2812
       * No SSID found. If SCAN results are as a result of
2813
       * own scan request and not due to a scan request on
2814
       * another shared interface, try another scan.
2815
       */
2816
0
      int timeout_sec = wpa_s->scan_interval;
2817
0
      int timeout_usec = 0;
2818
#ifdef CONFIG_P2P
2819
      int res;
2820
2821
      res = wpas_p2p_scan_no_go_seen(wpa_s);
2822
      if (res == 2)
2823
        return 2;
2824
      if (res == 1)
2825
        return 0;
2826
2827
      if (wpas_p2p_retry_limit_exceeded(wpa_s))
2828
        return 0;
2829
2830
      if (wpa_s->p2p_in_provisioning ||
2831
          wpa_s->show_group_started ||
2832
          wpa_s->p2p_in_invitation) {
2833
        /*
2834
         * Use shorter wait during P2P Provisioning
2835
         * state and during P2P join-a-group operation
2836
         * to speed up group formation.
2837
         */
2838
        timeout_sec = 0;
2839
        timeout_usec = 250000;
2840
        wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2841
                  timeout_usec);
2842
        return 0;
2843
      }
2844
#endif /* CONFIG_P2P */
2845
0
#ifdef CONFIG_INTERWORKING
2846
0
      if (wpa_s->conf->auto_interworking &&
2847
0
          wpa_s->conf->interworking &&
2848
0
          wpa_s->conf->cred) {
2849
0
        wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
2850
0
          "start ANQP fetch since no matching "
2851
0
          "networks found");
2852
0
        wpa_s->network_select = 1;
2853
0
        wpa_s->auto_network_select = 1;
2854
0
        interworking_start_fetch_anqp(wpa_s);
2855
0
        return 1;
2856
0
      }
2857
0
#endif /* CONFIG_INTERWORKING */
2858
#ifdef CONFIG_WPS
2859
      if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) {
2860
        wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing");
2861
        timeout_sec = 0;
2862
        timeout_usec = 500000;
2863
        wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2864
                  timeout_usec);
2865
        return 0;
2866
      }
2867
#endif /* CONFIG_WPS */
2868
#ifdef CONFIG_OWE
2869
      if (wpa_s->owe_transition_search) {
2870
        wpa_dbg(wpa_s, MSG_DEBUG,
2871
          "OWE: Use shorter wait during transition mode search");
2872
        timeout_sec = 0;
2873
        timeout_usec = 500000;
2874
        if (wpa_s->owe_trans_scan_freq) {
2875
          os_free(wpa_s->next_scan_freqs);
2876
          wpa_s->next_scan_freqs =
2877
            wpa_s->owe_trans_scan_freq;
2878
          wpa_s->owe_trans_scan_freq = NULL;
2879
          timeout_usec = 100000;
2880
        }
2881
        wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2882
                  timeout_usec);
2883
        return 0;
2884
      }
2885
#endif /* CONFIG_OWE */
2886
0
      if (wpa_supplicant_req_sched_scan(wpa_s))
2887
0
        wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2888
0
                  timeout_usec);
2889
2890
0
      wpa_msg_ctrl(wpa_s, MSG_INFO,
2891
0
             WPA_EVENT_NETWORK_NOT_FOUND);
2892
0
    }
2893
0
  }
2894
0
  return 0;
2895
0
}
2896
2897
2898
static bool equal_scan_freq_list(struct wpa_supplicant *self,
2899
         struct wpa_supplicant *other)
2900
0
{
2901
0
  const int *list1, *list2;
2902
2903
0
  list1 = self->conf->freq_list ? self->conf->freq_list :
2904
0
    self->last_scan_freqs;
2905
0
  list2 = other->conf->freq_list ? other->conf->freq_list :
2906
0
    other->last_scan_freqs;
2907
2908
0
  return int_array_equal(list1, list2);
2909
0
}
2910
2911
2912
static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
2913
               union wpa_event_data *data)
2914
0
{
2915
0
  struct wpa_supplicant *ifs;
2916
0
  int res;
2917
2918
0
  res = _wpa_supplicant_event_scan_results(wpa_s, data, 1, 0);
2919
0
  if (res == 2) {
2920
    /*
2921
     * Interface may have been removed, so must not dereference
2922
     * wpa_s after this.
2923
     */
2924
0
    return 1;
2925
0
  }
2926
2927
0
  if (res < 0) {
2928
    /*
2929
     * If no scan results could be fetched, then no need to
2930
     * notify those interfaces that did not actually request
2931
     * this scan. Similarly, if scan results started a new operation on this
2932
     * interface, do not notify other interfaces to avoid concurrent
2933
     * operations during a connection attempt.
2934
     */
2935
0
    return 0;
2936
0
  }
2937
2938
  /*
2939
   * Manual scan requests are more specific to a use case than the
2940
   * normal scan requests; hence, skip updating sibling radios.
2941
   */
2942
0
  if (wpa_s->last_scan_req == MANUAL_SCAN_REQ)
2943
0
    return 0;
2944
2945
  /*
2946
   * Check other interfaces to see if they share the same radio and
2947
   * frequency list. If so, they get updated with this same scan info.
2948
   */
2949
0
  dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
2950
0
       radio_list) {
2951
0
    if (ifs != wpa_s && equal_scan_freq_list(wpa_s, ifs)) {
2952
0
      wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
2953
0
           "sibling", ifs->ifname);
2954
0
      res = _wpa_supplicant_event_scan_results(ifs, data, 0,
2955
0
                 res > 0);
2956
0
      if (res < 0)
2957
0
        return 0;
2958
0
    }
2959
0
  }
2960
2961
0
  return 0;
2962
0
}
2963
2964
#endif /* CONFIG_NO_SCAN_PROCESSING */
2965
2966
2967
int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
2968
0
{
2969
#ifdef CONFIG_NO_SCAN_PROCESSING
2970
  return -1;
2971
#else /* CONFIG_NO_SCAN_PROCESSING */
2972
0
  struct os_reltime now;
2973
2974
0
  wpa_s->ignore_post_flush_scan_res = 0;
2975
2976
0
  if (wpa_s->last_scan_res_used == 0)
2977
0
    return -1;
2978
2979
0
  os_get_reltime(&now);
2980
0
  if (os_reltime_expired(&now, &wpa_s->last_scan,
2981
0
             wpa_s->conf->scan_res_valid_for_connect)) {
2982
0
    wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
2983
0
    return -1;
2984
0
  } else if (wpa_s->crossed_6ghz_dom) {
2985
0
    wpa_printf(MSG_DEBUG, "Fast associate: Crossed 6 GHz domain");
2986
0
    return -1;
2987
0
  }
2988
2989
0
  return wpas_select_network_from_last_scan(wpa_s, 0, 1, false, NULL);
2990
0
#endif /* CONFIG_NO_SCAN_PROCESSING */
2991
0
}
2992
2993
2994
int wpa_wps_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
2995
0
{
2996
#ifdef CONFIG_NO_SCAN_PROCESSING
2997
  return -1;
2998
#else /* CONFIG_NO_SCAN_PROCESSING */
2999
0
  return wpas_select_network_from_last_scan(wpa_s, 1, 1, false, NULL);
3000
0
#endif /* CONFIG_NO_SCAN_PROCESSING */
3001
0
}
3002
3003
3004
#ifdef CONFIG_WNM
3005
3006
static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
3007
0
{
3008
0
  struct wpa_supplicant *wpa_s = eloop_ctx;
3009
3010
0
  if (wpa_s->wpa_state < WPA_ASSOCIATED)
3011
0
    return;
3012
3013
0
  if (!wpa_s->no_keep_alive) {
3014
0
    wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
3015
0
         MAC2STR(wpa_s->bssid));
3016
    /* TODO: could skip this if normal data traffic has been sent */
3017
    /* TODO: Consider using some more appropriate data frame for
3018
     * this */
3019
0
    if (wpa_s->l2)
3020
0
      l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
3021
0
               (u8 *) "", 0);
3022
0
  }
3023
3024
#ifdef CONFIG_SME
3025
  if (wpa_s->sme.bss_max_idle_period) {
3026
    unsigned int msec;
3027
    msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
3028
    if (msec > 100)
3029
      msec -= 100;
3030
    eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
3031
               wnm_bss_keep_alive, wpa_s, NULL);
3032
  }
3033
#endif /* CONFIG_SME */
3034
0
}
3035
3036
3037
static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
3038
           const u8 *ies, size_t ies_len)
3039
0
{
3040
0
  struct ieee802_11_elems elems;
3041
3042
0
  if (ies == NULL)
3043
0
    return;
3044
3045
0
  if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
3046
0
    return;
3047
3048
#ifdef CONFIG_SME
3049
  if (elems.bss_max_idle_period) {
3050
    unsigned int msec;
3051
    wpa_s->sme.bss_max_idle_period =
3052
      WPA_GET_LE16(elems.bss_max_idle_period);
3053
    wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
3054
         "TU)%s", wpa_s->sme.bss_max_idle_period,
3055
         (elems.bss_max_idle_period[2] & 0x01) ?
3056
         " (protected keep-live required)" : "");
3057
    if (wpa_s->sme.bss_max_idle_period == 0)
3058
      wpa_s->sme.bss_max_idle_period = 1;
3059
    if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
3060
      eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
3061
       /* msec times 1000 */
3062
      msec = wpa_s->sme.bss_max_idle_period * 1024;
3063
      if (msec > 100)
3064
        msec -= 100;
3065
      eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
3066
                 wnm_bss_keep_alive, wpa_s,
3067
                 NULL);
3068
    }
3069
  } else {
3070
    wpa_s->sme.bss_max_idle_period = 0;
3071
  }
3072
#endif /* CONFIG_SME */
3073
0
}
3074
3075
#endif /* CONFIG_WNM */
3076
3077
3078
void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
3079
0
{
3080
0
#ifdef CONFIG_WNM
3081
0
  eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
3082
0
#endif /* CONFIG_WNM */
3083
0
}
3084
3085
3086
static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map,
3087
          size_t len)
3088
0
{
3089
0
  int res;
3090
3091
0
  wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len);
3092
0
  res = wpa_drv_set_qos_map(wpa_s, qos_map, len);
3093
0
  if (res) {
3094
0
    wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver");
3095
0
  }
3096
3097
0
  return res;
3098
0
}
3099
3100
3101
static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s,
3102
              const u8 *ies, size_t ies_len)
3103
0
{
3104
0
  struct ieee802_11_elems elems;
3105
3106
0
  if (ies == NULL)
3107
0
    return;
3108
3109
0
  if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
3110
0
    return;
3111
3112
0
  if (elems.qos_map_set) {
3113
0
    wpas_qos_map_set(wpa_s, elems.qos_map_set,
3114
0
         elems.qos_map_set_len);
3115
0
  }
3116
0
}
3117
3118
3119
static void wpa_supplicant_set_4addr_mode(struct wpa_supplicant *wpa_s)
3120
0
{
3121
0
  if (wpa_s->enabled_4addr_mode) {
3122
0
    wpa_printf(MSG_DEBUG, "4addr mode already set");
3123
0
    return;
3124
0
  }
3125
3126
0
  if (wpa_drv_set_4addr_mode(wpa_s, 1) < 0) {
3127
0
    wpa_msg(wpa_s, MSG_ERROR, "Failed to set 4addr mode");
3128
0
    goto fail;
3129
0
  }
3130
0
  wpa_s->enabled_4addr_mode = 1;
3131
0
  wpa_dbg(wpa_s, MSG_DEBUG, "Successfully set 4addr mode");
3132
0
  return;
3133
3134
0
fail:
3135
0
  wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
3136
0
}
3137
3138
3139
static void multi_ap_process_assoc_resp(struct wpa_supplicant *wpa_s,
3140
          const u8 *ies, size_t ies_len)
3141
0
{
3142
0
  struct ieee802_11_elems elems;
3143
0
  struct multi_ap_params multi_ap;
3144
0
  u16 status;
3145
3146
0
  wpa_s->multi_ap_ie = 0;
3147
3148
0
  if (!ies ||
3149
0
      ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed ||
3150
0
      !elems.multi_ap)
3151
0
    return;
3152
3153
0
  status = check_multi_ap_ie(elems.multi_ap + 4, elems.multi_ap_len - 4,
3154
0
           &multi_ap);
3155
0
  if (status != WLAN_STATUS_SUCCESS)
3156
0
    return;
3157
3158
0
  wpa_s->multi_ap_backhaul = !!(multi_ap.capability &
3159
0
              MULTI_AP_BACKHAUL_BSS);
3160
0
  wpa_s->multi_ap_fronthaul = !!(multi_ap.capability &
3161
0
               MULTI_AP_FRONTHAUL_BSS);
3162
0
  wpa_s->multi_ap_ie = 1;
3163
0
}
3164
3165
3166
static void multi_ap_set_4addr_mode(struct wpa_supplicant *wpa_s)
3167
0
{
3168
0
  if (!wpa_s->current_ssid ||
3169
0
      !wpa_s->current_ssid->multi_ap_backhaul_sta)
3170
0
    return;
3171
3172
0
  if (!wpa_s->multi_ap_ie) {
3173
0
    wpa_printf(MSG_INFO,
3174
0
         "AP does not include valid Multi-AP element");
3175
0
    goto fail;
3176
0
  }
3177
3178
0
  if (!wpa_s->multi_ap_backhaul) {
3179
0
    if (wpa_s->multi_ap_fronthaul &&
3180
0
        wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
3181
0
      wpa_printf(MSG_INFO,
3182
0
           "WPS active, accepting fronthaul-only BSS");
3183
      /* Don't set 4addr mode in this case, so just return */
3184
0
      return;
3185
0
    }
3186
0
    wpa_printf(MSG_INFO, "AP doesn't support backhaul BSS");
3187
0
    goto fail;
3188
0
  }
3189
3190
0
  wpa_supplicant_set_4addr_mode(wpa_s);
3191
0
  return;
3192
3193
0
fail:
3194
0
  wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
3195
0
}
3196
3197
3198
#ifdef CONFIG_FST
3199
static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s,
3200
        const u8 *ie, size_t ie_len)
3201
{
3202
  struct mb_ies_info mb_ies;
3203
3204
  if (!ie || !ie_len || !wpa_s->fst)
3205
      return -ENOENT;
3206
3207
  os_memset(&mb_ies, 0, sizeof(mb_ies));
3208
3209
  while (ie_len >= 2 && mb_ies.nof_ies < MAX_NOF_MB_IES_SUPPORTED) {
3210
    size_t len;
3211
3212
    len = 2 + ie[1];
3213
    if (len > ie_len) {
3214
      wpa_hexdump(MSG_DEBUG, "FST: Truncated IE found",
3215
            ie, ie_len);
3216
      break;
3217
    }
3218
3219
    if (ie[0] == WLAN_EID_MULTI_BAND) {
3220
      wpa_printf(MSG_DEBUG, "MB IE of %u bytes found",
3221
           (unsigned int) len);
3222
      mb_ies.ies[mb_ies.nof_ies].ie = ie + 2;
3223
      mb_ies.ies[mb_ies.nof_ies].ie_len = len - 2;
3224
      mb_ies.nof_ies++;
3225
    }
3226
3227
    ie_len -= len;
3228
    ie += len;
3229
  }
3230
3231
  if (mb_ies.nof_ies > 0) {
3232
    wpabuf_free(wpa_s->received_mb_ies);
3233
    wpa_s->received_mb_ies = mb_ies_by_info(&mb_ies);
3234
    return 0;
3235
  }
3236
3237
  return -ENOENT;
3238
}
3239
#endif /* CONFIG_FST */
3240
3241
3242
static int wpa_supplicant_use_own_rsne_params(struct wpa_supplicant *wpa_s,
3243
                union wpa_event_data *data)
3244
0
{
3245
0
  int sel;
3246
0
  const u8 *p;
3247
0
  int l, len;
3248
0
  bool found = false;
3249
0
  struct wpa_ie_data ie;
3250
0
  struct wpa_ssid *ssid = wpa_s->current_ssid;
3251
0
  struct wpa_bss *bss = wpa_s->current_bss;
3252
0
  int pmf;
3253
3254
0
  if (!ssid)
3255
0
    return 0;
3256
3257
0
  p = data->assoc_info.req_ies;
3258
0
  l = data->assoc_info.req_ies_len;
3259
3260
0
  while (p && l >= 2) {
3261
0
    len = p[1] + 2;
3262
0
    if (len > l) {
3263
0
      wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
3264
0
            p, l);
3265
0
      break;
3266
0
    }
3267
0
    if (((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
3268
0
          (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
3269
0
         (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 &&
3270
0
          (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) ||
3271
0
         (p[0] == WLAN_EID_RSN && p[1] >= 2))) {
3272
0
      found = true;
3273
0
      break;
3274
0
    }
3275
0
    l -= len;
3276
0
    p += len;
3277
0
  }
3278
3279
0
  if (!found || wpa_parse_wpa_ie(p, len, &ie) < 0) {
3280
0
    wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_OCV, 0);
3281
0
    return 0;
3282
0
  }
3283
3284
0
  wpa_hexdump(MSG_DEBUG,
3285
0
        "WPA: Update cipher suite selection based on IEs in driver-generated WPA/RSNE in AssocReq",
3286
0
        p, l);
3287
3288
  /* Update proto from (Re)Association Request frame info */
3289
0
  wpa_s->wpa_proto = ie.proto;
3290
0
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, wpa_s->wpa_proto);
3291
0
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED,
3292
0
       !!(wpa_s->wpa_proto & WPA_PROTO_RSN));
3293
3294
  /* Update AKMP suite from (Re)Association Request frame info */
3295
0
  sel = ie.key_mgmt;
3296
0
  if (ssid->key_mgmt)
3297
0
    sel &= ssid->key_mgmt;
3298
3299
0
  wpa_dbg(wpa_s, MSG_DEBUG,
3300
0
    "WPA: AP key_mgmt 0x%x network key_mgmt 0x%x; available key_mgmt 0x%x",
3301
0
    ie.key_mgmt, ssid->key_mgmt, sel);
3302
0
  if (ie.key_mgmt && !sel) {
3303
0
    wpa_supplicant_deauthenticate(
3304
0
      wpa_s, WLAN_REASON_AKMP_NOT_VALID);
3305
0
    return -1;
3306
0
  }
3307
3308
#ifdef CONFIG_OCV
3309
  if (((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) ||
3310
       (wpa_s->drv_flags2 & WPA_DRIVER_FLAGS2_OCV)) && ssid->ocv)
3311
    wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_OCV,
3312
         !!(ie.capabilities & WPA_CAPABILITY_OCVC));
3313
#endif /* CONFIG_OCV */
3314
3315
  /*
3316
   * Update PMK in wpa_sm and the driver if roamed to WPA/WPA2 PSK from a
3317
   * different AKM.
3318
   */
3319
0
  if (wpa_s->key_mgmt != ie.key_mgmt &&
3320
0
      wpa_key_mgmt_wpa_psk_no_sae(ie.key_mgmt)) {
3321
0
    if (!ssid->psk_set) {
3322
0
      wpa_dbg(wpa_s, MSG_INFO,
3323
0
        "No PSK available for association");
3324
0
      wpas_auth_failed(wpa_s, "NO_PSK_AVAILABLE", NULL);
3325
0
      return -1;
3326
0
    }
3327
3328
0
    wpa_sm_set_pmk(wpa_s->wpa, ssid->psk, PMK_LEN, NULL, NULL);
3329
0
    if (wpa_s->conf->key_mgmt_offload &&
3330
0
        (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD) &&
3331
0
        wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0, NULL, 0,
3332
0
            ssid->psk, PMK_LEN, KEY_FLAG_PMK))
3333
0
      wpa_dbg(wpa_s, MSG_ERROR,
3334
0
        "WPA: Cannot set PMK for key management offload");
3335
0
  }
3336
3337
0
  wpa_s->key_mgmt = ie.key_mgmt;
3338
0
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt);
3339
0
  wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT %s and proto %d",
3340
0
    wpa_key_mgmt_txt(wpa_s->key_mgmt, wpa_s->wpa_proto),
3341
0
    wpa_s->wpa_proto);
3342
3343
  /* Update pairwise cipher from (Re)Association Request frame info */
3344
0
  sel = ie.pairwise_cipher;
3345
0
  if (ssid->pairwise_cipher)
3346
0
    sel &= ssid->pairwise_cipher;
3347
3348
0
  wpa_dbg(wpa_s, MSG_DEBUG,
3349
0
    "WPA: AP pairwise cipher 0x%x network pairwise cipher 0x%x; available pairwise cipher 0x%x",
3350
0
    ie.pairwise_cipher, ssid->pairwise_cipher, sel);
3351
0
  if (ie.pairwise_cipher && !sel) {
3352
0
    wpa_supplicant_deauthenticate(
3353
0
      wpa_s, WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID);
3354
0
    return -1;
3355
0
  }
3356
3357
0
  wpa_s->pairwise_cipher = ie.pairwise_cipher;
3358
0
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE,
3359
0
       wpa_s->pairwise_cipher);
3360
0
  wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK %s",
3361
0
    wpa_cipher_txt(wpa_s->pairwise_cipher));
3362
3363
  /* Update other parameters based on AP's WPA IE/RSNE, if available */
3364
0
  if (!bss) {
3365
0
    wpa_dbg(wpa_s, MSG_DEBUG,
3366
0
      "WPA: current_bss == NULL - skip AP IE check");
3367
0
    return 0;
3368
0
  }
3369
3370
  /* Update GTK and IGTK from AP's RSNE */
3371
0
  found = false;
3372
3373
0
  if (wpa_s->wpa_proto & WPA_PROTO_RSN) {
3374
0
    const u8 *bss_rsn;
3375
3376
0
    bss_rsn = wpa_bss_get_rsne(wpa_s, bss, ssid,
3377
0
             wpa_s->valid_links);
3378
0
    if (bss_rsn) {
3379
0
      p = bss_rsn;
3380
0
      len = 2 + bss_rsn[1];
3381
0
      found = true;
3382
0
    }
3383
0
  } else if (wpa_s->wpa_proto & WPA_PROTO_WPA) {
3384
0
    const u8 *bss_wpa;
3385
3386
0
    bss_wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3387
0
    if (bss_wpa) {
3388
0
      p = bss_wpa;
3389
0
      len = 2 + bss_wpa[1];
3390
0
      found = true;
3391
0
    }
3392
0
  }
3393
3394
0
  if (!found || wpa_parse_wpa_ie(p, len, &ie) < 0)
3395
0
    return 0;
3396
3397
0
  pmf = wpas_get_ssid_pmf(wpa_s, ssid);
3398
0
  if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
3399
0
      pmf == MGMT_FRAME_PROTECTION_REQUIRED) {
3400
    /* AP does not support MFP, local configuration requires it */
3401
0
    wpa_supplicant_deauthenticate(
3402
0
      wpa_s, WLAN_REASON_INVALID_RSN_IE_CAPAB);
3403
0
    return -1;
3404
0
  }
3405
0
  if ((ie.capabilities & WPA_CAPABILITY_MFPR) &&
3406
0
      pmf == NO_MGMT_FRAME_PROTECTION) {
3407
    /* AP requires MFP, local configuration disables it */
3408
0
    wpa_supplicant_deauthenticate(
3409
0
      wpa_s, WLAN_REASON_INVALID_RSN_IE_CAPAB);
3410
0
    return -1;
3411
0
  }
3412
3413
  /* Update PMF from local configuration now that MFP validation was done
3414
   * above */
3415
0
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MFP, pmf);
3416
3417
  /* Update GTK from AP's RSNE */
3418
0
  sel = ie.group_cipher;
3419
0
  if (ssid->group_cipher)
3420
0
    sel &= ssid->group_cipher;
3421
3422
0
  wpa_dbg(wpa_s, MSG_DEBUG,
3423
0
    "WPA: AP group cipher 0x%x network group cipher 0x%x; available group cipher 0x%x",
3424
0
    ie.group_cipher, ssid->group_cipher, sel);
3425
0
  if (ie.group_cipher && !sel) {
3426
0
    wpa_supplicant_deauthenticate(
3427
0
      wpa_s, WLAN_REASON_GROUP_CIPHER_NOT_VALID);
3428
0
    return -1;
3429
0
  }
3430
3431
0
  wpa_s->group_cipher = ie.group_cipher;
3432
0
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher);
3433
0
  wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK %s",
3434
0
    wpa_cipher_txt(wpa_s->group_cipher));
3435
3436
  /* Update IGTK from AP RSN IE */
3437
0
  sel = ie.mgmt_group_cipher;
3438
0
  if (ssid->group_mgmt_cipher)
3439
0
    sel &= ssid->group_mgmt_cipher;
3440
3441
0
  wpa_dbg(wpa_s, MSG_DEBUG,
3442
0
    "WPA: AP mgmt_group_cipher 0x%x network mgmt_group_cipher 0x%x; available mgmt_group_cipher 0x%x",
3443
0
    ie.mgmt_group_cipher, ssid->group_mgmt_cipher, sel);
3444
3445
0
  if (pmf == NO_MGMT_FRAME_PROTECTION ||
3446
0
      !(ie.capabilities & WPA_CAPABILITY_MFPC)) {
3447
0
    wpa_dbg(wpa_s, MSG_DEBUG,
3448
0
      "WPA: STA/AP is not MFP capable; AP RSNE caps 0x%x",
3449
0
      ie.capabilities);
3450
0
    ie.mgmt_group_cipher = 0;
3451
0
  }
3452
3453
0
  if (ie.mgmt_group_cipher && !sel) {
3454
0
    wpa_supplicant_deauthenticate(
3455
0
      wpa_s, WLAN_REASON_CIPHER_SUITE_REJECTED);
3456
0
    return -1;
3457
0
  }
3458
3459
0
  wpa_s->mgmt_group_cipher = ie.mgmt_group_cipher;
3460
0
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP,
3461
0
       wpa_s->mgmt_group_cipher);
3462
0
  if (wpa_s->mgmt_group_cipher)
3463
0
    wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher %s",
3464
0
      wpa_cipher_txt(wpa_s->mgmt_group_cipher));
3465
0
  else
3466
0
    wpa_dbg(wpa_s, MSG_DEBUG, "WPA: not using MGMT group cipher");
3467
3468
0
  return 0;
3469
0
}
3470
3471
3472
static void wpas_parse_connection_info_link(struct wpa_supplicant *wpa_s,
3473
              int i,
3474
              struct ieee802_11_elems *req_elems,
3475
              struct ieee802_11_elems *resp_elems,
3476
              struct wpabuf *req_mlbuf,
3477
              struct wpabuf *resp_mlbuf)
3478
0
{
3479
0
  struct ieee802_11_elems req_persta_elems = *req_elems;
3480
0
  struct ieee802_11_elems resp_persta_elems = *resp_elems;
3481
0
  struct supported_chan_width sta_cw;
3482
0
  enum chan_width ap_cw;
3483
3484
0
  if (ieee802_11_parse_link_assoc_req(&req_persta_elems, req_mlbuf, i,
3485
0
              true) == ParseFailed ||
3486
0
      ieee802_11_parse_link_assoc_resp(&resp_persta_elems, resp_mlbuf, i,
3487
0
               true) == ParseFailed) {
3488
0
    wpa_s->links[i].max_nss_rx = wpa_s->connection_max_nss_rx;
3489
0
    wpa_s->links[i].max_nss_tx = wpa_s->connection_max_nss_tx;
3490
0
    wpa_s->links[i].channel_bandwidth =
3491
0
      wpa_s->connection_channel_bandwidth;
3492
0
    return;
3493
0
  }
3494
3495
0
  sta_cw = get_supported_channel_width(&req_persta_elems);
3496
0
  ap_cw = get_operation_channel_width(&resp_persta_elems);
3497
3498
0
  if (wpa_s->connection_vht || wpa_s->connection_he ||
3499
0
      wpa_s->connection_eht) {
3500
0
    wpa_s->links[i].channel_bandwidth =
3501
0
      get_sta_operation_chan_width(ap_cw, sta_cw);
3502
0
  } else if (wpa_s->connection_ht) {
3503
0
    wpa_s->links[i].channel_bandwidth = (ap_cw == CHAN_WIDTH_40) ?
3504
0
      CHAN_WIDTH_40 : CHAN_WIDTH_20;
3505
0
  } else {
3506
0
    wpa_s->links[i].channel_bandwidth = CHAN_WIDTH_20;
3507
0
  }
3508
3509
0
  wpa_s->links[i].max_nss_rx =
3510
0
    MIN(get_max_nss_capability(&req_persta_elems, true,
3511
0
             wpa_s->links[i].channel_bandwidth),
3512
0
        get_max_nss_capability(&resp_persta_elems, false,
3513
0
             wpa_s->links[i].channel_bandwidth));
3514
3515
0
  wpa_s->links[i].max_nss_tx =
3516
0
    MIN(get_max_nss_capability(&req_persta_elems, false,
3517
0
             wpa_s->links[i].channel_bandwidth),
3518
0
        get_max_nss_capability(&resp_persta_elems, true,
3519
0
             wpa_s->links[i].channel_bandwidth));
3520
3521
0
}
3522
3523
3524
static void wpas_parse_connection_info(struct wpa_supplicant *wpa_s,
3525
               unsigned int freq,
3526
               const u8 *req_ies, size_t req_ies_len,
3527
               const u8 *resp_ies, size_t resp_ies_len)
3528
0
{
3529
0
  struct ieee802_11_elems req_elems, resp_elems;
3530
0
  int max_nss_rx_req, max_nss_rx_resp, max_nss_tx_req, max_nss_tx_resp;
3531
0
  struct supported_chan_width sta_supported_chan_width;
3532
0
  enum chan_width ap_operation_chan_width;
3533
0
  struct wpabuf *req_mlbuf, *resp_mlbuf;
3534
3535
0
  wpa_s->connection_set = 0;
3536
3537
0
  if (!req_ies || !resp_ies ||
3538
0
      ieee802_11_parse_elems(req_ies, req_ies_len, &req_elems, 0) ==
3539
0
      ParseFailed ||
3540
0
      ieee802_11_parse_elems(resp_ies, resp_ies_len, &resp_elems, 0) ==
3541
0
      ParseFailed)
3542
0
    return;
3543
3544
0
  wpa_s->connection_set = 1;
3545
0
  wpa_s->connection_ht = req_elems.ht_capabilities &&
3546
0
    resp_elems.ht_capabilities;
3547
3548
  /* Do not include subset of VHT on 2.4 GHz vendor extension in
3549
   * consideration for reporting VHT association. */
3550
0
  wpa_s->connection_vht = req_elems.vht_capabilities &&
3551
0
    resp_elems.vht_capabilities &&
3552
0
    (!freq || wpas_freq_to_band(freq) != BAND_2_4_GHZ);
3553
0
  wpa_s->connection_he = req_elems.he_capabilities &&
3554
0
    resp_elems.he_capabilities;
3555
0
  wpa_s->connection_eht = req_elems.eht_capabilities &&
3556
0
    resp_elems.eht_capabilities;
3557
0
  if (req_elems.rrm_enabled)
3558
0
    wpa_s->rrm.rrm_used = 1;
3559
3560
#ifdef CONFIG_PMKSA_PRIVACY
3561
  if (wpa_s->assoc_resp_encrypted && resp_elems.nonce) {
3562
    os_memcpy(wpa_s->pmkid_anonce, resp_elems.nonce, NONCE_LEN);
3563
    wpa_s->pmkid_anonce_set = true;
3564
    wpa_hexdump(MSG_DEBUG,
3565
          "PMKID privacy: ANonce in Assoc Response",
3566
          wpa_s->pmkid_anonce, NONCE_LEN);
3567
  }
3568
#endif /* CONFIG_PMKSA_PRIVACY */
3569
3570
0
  sta_supported_chan_width = get_supported_channel_width(&req_elems);
3571
0
  ap_operation_chan_width = get_operation_channel_width(&resp_elems);
3572
0
  if (wpa_s->connection_vht || wpa_s->connection_he ||
3573
0
      wpa_s->connection_eht) {
3574
0
    wpa_s->connection_channel_bandwidth =
3575
0
      get_sta_operation_chan_width(ap_operation_chan_width,
3576
0
                 sta_supported_chan_width);
3577
0
  } else if (wpa_s->connection_ht) {
3578
0
    wpa_s->connection_channel_bandwidth =
3579
0
      ap_operation_chan_width == CHAN_WIDTH_40 ?
3580
0
      CHAN_WIDTH_40 : CHAN_WIDTH_20;
3581
0
  } else {
3582
0
    wpa_s->connection_channel_bandwidth = CHAN_WIDTH_20;
3583
0
  }
3584
3585
0
  max_nss_rx_req = get_max_nss_capability(
3586
0
    &req_elems, 1, wpa_s->connection_channel_bandwidth);
3587
0
  max_nss_rx_resp = get_max_nss_capability(
3588
0
    &resp_elems, 1, wpa_s->connection_channel_bandwidth);
3589
0
  max_nss_tx_req = get_max_nss_capability(
3590
0
    &req_elems, 0, wpa_s->connection_channel_bandwidth);
3591
0
  max_nss_tx_resp = get_max_nss_capability(
3592
0
    &resp_elems, 0, wpa_s->connection_channel_bandwidth);
3593
3594
0
  wpa_s->connection_max_nss_rx = MIN(max_nss_tx_resp, max_nss_rx_req);
3595
0
  wpa_s->connection_max_nss_tx = MIN(max_nss_rx_resp, max_nss_tx_req);
3596
3597
0
  req_mlbuf = ieee802_11_defrag(req_elems.basic_mle,
3598
0
              req_elems.basic_mle_len, true);
3599
0
  resp_mlbuf = ieee802_11_defrag(resp_elems.basic_mle,
3600
0
               resp_elems.basic_mle_len, true);
3601
0
  if (req_mlbuf && resp_mlbuf) {
3602
0
    int i;
3603
3604
0
    for_each_link(wpa_s->valid_links, i)
3605
0
      wpas_parse_connection_info_link(wpa_s, i,
3606
0
              &req_elems, &resp_elems,
3607
0
              req_mlbuf, resp_mlbuf);
3608
0
  }
3609
0
  wpabuf_free(req_mlbuf);
3610
0
  wpabuf_free(resp_mlbuf);
3611
0
}
3612
3613
3614
#ifdef CONFIG_P2P
3615
3616
static bool is_assisted_dfs_p2p_allowed_cc(const char *country)
3617
{
3618
  return country[0] == 'U' && country[1] == 'S';
3619
}
3620
3621
3622
static bool is_assisted_p2p_dfs_allowed(struct wpa_supplicant *wpa_s,
3623
          struct wpa_bss *bss)
3624
{
3625
  const u8 *elem;
3626
  const char *country;
3627
3628
  if (wpa_s->hw_dfs_domain != HOSTAPD_DFS_REGION_FCC ||
3629
      !wpa_s->device_country_set)
3630
    return false;
3631
3632
  /* Country IE (alpha2 at first two bytes of the payload) */
3633
  elem = wpa_bss_get_ie(bss, WLAN_EID_COUNTRY);
3634
  if (!elem || elem[1] < 2)
3635
    return false;
3636
3637
  country = (const char *) (elem + 2);
3638
3639
  /* Require the BSS country to match the device country */
3640
  if (country[0] != wpa_s->device_country[0] ||
3641
      country[1] != wpa_s->device_country[1])
3642
    return false;
3643
3644
  return is_assisted_dfs_p2p_allowed_cc(country);
3645
}
3646
3647
3648
static bool is_dfs_owner_ap(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
3649
{
3650
  if (!bss)
3651
    return false;
3652
3653
  /* Must NOT have P2P IE (not a P2P GO) */
3654
  if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3655
      wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE))
3656
    return false;
3657
3658
  /* Must be an infrastructure mode connection, not P2P group */
3659
  if (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group)
3660
    return false;
3661
3662
  /* Beacon interval of the connected DFS AP needs to be short enough to
3663
   * have time to inform P2P clients about the need to vacate the
3664
   * operating channel within regulatory requirements. */
3665
  if (bss->beacon_int == 0 || bss->beacon_int > 100)
3666
    return false;
3667
3668
  return true;
3669
}
3670
3671
#endif /* CONFIG_P2P */
3672
3673
3674
#ifdef CONFIG_ENC_ASSOC
3675
static int wpas_rx_enc_assoc_resp(struct wpa_supplicant *wpa_s, const u8 *aa,
3676
          const u8 *resp_ies, size_t resp_ies_len)
3677
{
3678
  struct ptksa_cache_entry *entry;
3679
3680
  entry = ptksa_cache_get(wpa_s->ptksa, aa, wpa_s->pairwise_cipher);
3681
  if (!entry || (entry->auth_alg != WLAN_AUTH_EPPKE &&
3682
           entry->auth_alg != WLAN_AUTH_802_1X))
3683
    return 0;
3684
3685
  wpa_sm_set_ptk_kck_kek(wpa_s->wpa, entry->ptk.hash_alg,
3686
             entry->ptk.kck, entry->ptk.kck_len,
3687
             entry->ptk.kek, entry->ptk.kek_len);
3688
3689
#ifdef CONFIG_TESTING_OPTIONS
3690
  wpa_sm_set_ptk_tk(wpa_s->wpa, entry->ptk.tk, entry->ptk.tk_len);
3691
#endif /* CONFIG_TESTING_OPTIONS */
3692
3693
  return process_encrypted_assoc_resp(wpa_s->wpa,
3694
              ((wpa_s->drv_flags2 &
3695
                WPA_DRIVER_FLAGS2_MLO) &&
3696
               wpa_s->valid_links) ?
3697
              wpa_s->valid_links : -1,
3698
              resp_ies, resp_ies_len);
3699
}
3700
#endif /* CONFIG_ENC_ASSOC */
3701
3702
3703
static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
3704
            union wpa_event_data *data)
3705
0
{
3706
0
  int l, len, found = 0, wpa_found, rsn_found;
3707
0
#ifndef CONFIG_NO_WPA
3708
0
  int found_x = 0;
3709
0
#endif /* CONFIG_NO_WPA */
3710
0
  const u8 *p, *ie;
3711
0
  u8 bssid[ETH_ALEN];
3712
0
  bool bssid_known;
3713
0
  enum wpa_rsn_override rsn_override;
3714
3715
0
  wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
3716
0
  wpa_s->ssid_verified = false;
3717
0
  wpa_s->bigtk_set = false;
3718
#ifdef CONFIG_ENC_ASSOC
3719
  if (data->assoc_info.resp_frame &&
3720
      data->assoc_info.resp_frame_len >= 2 &&
3721
      (WPA_GET_LE16(data->assoc_info.resp_frame) & WLAN_FC_PROTECTED)) {
3722
    wpa_printf(MSG_INFO, "Association Response frame is encrypted");
3723
    wpa_s->assoc_resp_encrypted = true;
3724
  } else {
3725
    wpa_s->assoc_resp_encrypted = false;
3726
  }
3727
#endif /* CONFIG_ENC_ASSOC */
3728
#ifdef CONFIG_SAE
3729
#ifdef CONFIG_SME
3730
  /* SAE H2E binds the SSID into PT and that verifies the SSID
3731
   * implicitly. */
3732
  if (wpa_s->sme.sae.state == SAE_ACCEPTED && wpa_s->sme.sae.h2e)
3733
    wpa_s->ssid_verified = true;
3734
#endif /* CONFIG_SME */
3735
#endif /* CONFIG_SAE */
3736
0
  bssid_known = wpa_drv_get_bssid(wpa_s, bssid) == 0;
3737
0
  if (data->assoc_info.req_ies)
3738
0
    wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
3739
0
          data->assoc_info.req_ies_len);
3740
0
  if (data->assoc_info.resp_ies) {
3741
0
    wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
3742
0
          data->assoc_info.resp_ies_len);
3743
#ifdef CONFIG_TDLS
3744
    wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
3745
          data->assoc_info.resp_ies_len);
3746
#endif /* CONFIG_TDLS */
3747
0
#ifdef CONFIG_WNM
3748
0
    wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
3749
0
               data->assoc_info.resp_ies_len);
3750
0
#endif /* CONFIG_WNM */
3751
0
    interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
3752
0
            data->assoc_info.resp_ies_len);
3753
0
    if ((wpa_s->hw_capab & BIT(CAPAB_VHT)) &&
3754
0
        get_ie(data->assoc_info.resp_ies,
3755
0
         data->assoc_info.resp_ies_len, WLAN_EID_VHT_CAP))
3756
0
      wpa_s->ieee80211ac = 1;
3757
3758
0
    multi_ap_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
3759
0
              data->assoc_info.resp_ies_len);
3760
0
  }
3761
0
  if (data->assoc_info.beacon_ies)
3762
0
    wpa_hexdump(MSG_DEBUG, "beacon_ies",
3763
0
          data->assoc_info.beacon_ies,
3764
0
          data->assoc_info.beacon_ies_len);
3765
0
  if (data->assoc_info.freq)
3766
0
    wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
3767
0
      data->assoc_info.freq);
3768
3769
0
  wpas_parse_connection_info(wpa_s, data->assoc_info.freq,
3770
0
           data->assoc_info.req_ies,
3771
0
           data->assoc_info.req_ies_len,
3772
0
           data->assoc_info.resp_ies,
3773
0
           data->assoc_info.resp_ies_len);
3774
3775
0
  p = data->assoc_info.req_ies;
3776
0
  l = data->assoc_info.req_ies_len;
3777
3778
  /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
3779
0
  while (p && l >= 2) {
3780
0
    len = p[1] + 2;
3781
0
    if (len > l) {
3782
0
      wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
3783
0
            p, l);
3784
0
      break;
3785
0
    }
3786
0
    if (!found &&
3787
0
        ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
3788
0
          (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
3789
0
         (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 &&
3790
0
          (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) ||
3791
0
         (p[0] == WLAN_EID_RSN && p[1] >= 2))) {
3792
0
      if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
3793
0
        break;
3794
0
      found = 1;
3795
0
      wpa_find_assoc_pmkid(wpa_s);
3796
0
    }
3797
0
#ifndef CONFIG_NO_WPA
3798
0
    if (!found_x && p[0] == WLAN_EID_RSNX) {
3799
0
      if (wpa_sm_set_assoc_rsnxe(wpa_s->wpa, p, len))
3800
0
        break;
3801
0
      found_x = 1;
3802
0
    }
3803
0
#endif /* CONFIG_NO_WPA */
3804
0
    l -= len;
3805
0
    p += len;
3806
0
  }
3807
0
  if (!found && data->assoc_info.req_ies)
3808
0
    wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
3809
0
#ifndef CONFIG_NO_WPA
3810
0
  if (!found_x && data->assoc_info.req_ies)
3811
0
    wpa_sm_set_assoc_rsnxe(wpa_s->wpa, NULL, 0);
3812
0
#endif /* CONFIG_NO_WPA */
3813
3814
0
  rsn_override = RSN_OVERRIDE_NOT_USED;
3815
0
  ie = get_vendor_ie(data->assoc_info.req_ies,
3816
0
         data->assoc_info.req_ies_len,
3817
0
         RSN_SELECTION_IE_VENDOR_TYPE);
3818
0
  if (ie && ie[1] >= 4 + 1) {
3819
0
    switch (ie[2 + 4]) {
3820
0
    case RSN_SELECTION_RSNE:
3821
0
      rsn_override = RSN_OVERRIDE_RSNE;
3822
0
      break;
3823
0
    case RSN_SELECTION_RSNE_OVERRIDE:
3824
0
      rsn_override = RSN_OVERRIDE_RSNE_OVERRIDE;
3825
0
      break;
3826
0
    case RSN_SELECTION_RSNE_OVERRIDE_2:
3827
0
      rsn_override = RSN_OVERRIDE_RSNE_OVERRIDE_2;
3828
0
      break;
3829
0
    }
3830
0
  }
3831
0
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_OVERRIDE, rsn_override);
3832
3833
#ifdef CONFIG_FILS
3834
#ifdef CONFIG_SME
3835
  if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS ||
3836
      wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS_SK_PFS) {
3837
    if (!data->assoc_info.resp_frame ||
3838
        fils_process_assoc_resp(wpa_s->wpa,
3839
              data->assoc_info.resp_frame,
3840
              data->assoc_info.resp_frame_len) <
3841
        0) {
3842
      wpa_supplicant_deauthenticate(wpa_s,
3843
                  WLAN_REASON_UNSPECIFIED);
3844
      return -1;
3845
    }
3846
3847
    /* FILS use of an AEAD cipher include the SSID element in
3848
     * (Re)Association Request frame in the AAD and since the AP
3849
     * accepted that, the SSID was verified. */
3850
    wpa_s->ssid_verified = true;
3851
  }
3852
#endif /* CONFIG_SME */
3853
3854
  /* Additional processing for FILS when SME is in driver */
3855
  if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS &&
3856
      !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
3857
    wpa_sm_set_reset_fils_completed(wpa_s->wpa, 1);
3858
#endif /* CONFIG_FILS */
3859
3860
#ifdef CONFIG_ENC_ASSOC
3861
  if (wpa_s->assoc_resp_encrypted &&
3862
      (wpa_s->drv_flags2 &
3863
       WPA_DRIVER_FLAGS2_ASSOCIATION_FRAME_ENCRYPTION) &&
3864
      wpas_rx_enc_assoc_resp(wpa_s, wpa_s->valid_links ?
3865
           wpa_s->ap_mld_addr : bssid,
3866
           data->assoc_info.resp_ies,
3867
           data->assoc_info.resp_ies_len) < 0) {
3868
    wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
3869
    return -1;
3870
  }
3871
#endif /* CONFIG_ENC_ASSOC */
3872
3873
#ifdef CONFIG_OWE
3874
  if (wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
3875
      !(wpa_s->drv_flags2 & WPA_DRIVER_FLAGS2_OWE_OFFLOAD_STA) &&
3876
      (!bssid_known ||
3877
       owe_process_assoc_resp(wpa_s->wpa,
3878
            wpa_s->valid_links ?
3879
            wpa_s->ap_mld_addr : bssid,
3880
            data->assoc_info.resp_ies,
3881
            data->assoc_info.resp_ies_len) < 0)) {
3882
    wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
3883
    return -1;
3884
  }
3885
#endif /* CONFIG_OWE */
3886
3887
#ifdef CONFIG_DPP2
3888
  wpa_sm_set_dpp_z(wpa_s->wpa, NULL);
3889
  if (DPP_VERSION > 1 && wpa_s->key_mgmt == WPA_KEY_MGMT_DPP &&
3890
      wpa_s->dpp_pfs) {
3891
    struct ieee802_11_elems elems;
3892
3893
    if (ieee802_11_parse_elems(data->assoc_info.resp_ies,
3894
             data->assoc_info.resp_ies_len,
3895
             &elems, 0) == ParseFailed ||
3896
        !elems.owe_dh)
3897
      goto no_pfs;
3898
    if (dpp_pfs_process(wpa_s->dpp_pfs, elems.owe_dh,
3899
            elems.owe_dh_len) < 0) {
3900
      wpa_supplicant_deauthenticate(wpa_s,
3901
                  WLAN_REASON_UNSPECIFIED);
3902
      return -1;
3903
    }
3904
3905
    wpa_sm_set_dpp_z(wpa_s->wpa, wpa_s->dpp_pfs->secret);
3906
  }
3907
no_pfs:
3908
#endif /* CONFIG_DPP2 */
3909
3910
#ifdef CONFIG_IEEE80211R
3911
#ifdef CONFIG_SME
3912
  if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
3913
    if (!bssid_known ||
3914
        wpa_ft_validate_reassoc_resp(wpa_s->wpa,
3915
             data->assoc_info.resp_ies,
3916
             data->assoc_info.resp_ies_len,
3917
             bssid) < 0) {
3918
      wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
3919
        "Reassociation Response failed");
3920
      wpa_supplicant_deauthenticate(
3921
        wpa_s, WLAN_REASON_INVALID_IE);
3922
      return -1;
3923
    }
3924
    /* SSID is included in PMK-R0 derivation, so it is verified
3925
     * implicitly. */
3926
    wpa_s->ssid_verified = true;
3927
  }
3928
3929
  p = data->assoc_info.resp_ies;
3930
  l = data->assoc_info.resp_ies_len;
3931
3932
#ifdef CONFIG_WPS_STRICT
3933
  if (p && wpa_s->current_ssid &&
3934
      wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
3935
    struct wpabuf *wps;
3936
    wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
3937
    if (wps == NULL) {
3938
      wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
3939
        "include WPS IE in (Re)Association Response");
3940
      return -1;
3941
    }
3942
3943
    if (wps_validate_assoc_resp(wps) < 0) {
3944
      wpabuf_free(wps);
3945
      wpa_supplicant_deauthenticate(
3946
        wpa_s, WLAN_REASON_INVALID_IE);
3947
      return -1;
3948
    }
3949
    wpabuf_free(wps);
3950
  }
3951
#endif /* CONFIG_WPS_STRICT */
3952
3953
  /* Go through the IEs and make a copy of the MDIE, if present. */
3954
  while (p && l >= 2) {
3955
    len = p[1] + 2;
3956
    if (len > l) {
3957
      wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
3958
            p, l);
3959
      break;
3960
    }
3961
    if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
3962
        p[1] >= MOBILITY_DOMAIN_ID_LEN) {
3963
      wpa_s->sme.ft_used = 1;
3964
      os_memcpy(wpa_s->sme.mobility_domain, p + 2,
3965
          MOBILITY_DOMAIN_ID_LEN);
3966
      break;
3967
    }
3968
    l -= len;
3969
    p += len;
3970
  }
3971
#endif /* CONFIG_SME */
3972
3973
  /* Process FT when SME is in the driver */
3974
  if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
3975
      wpa_ft_is_completed(wpa_s->wpa)) {
3976
    if (!bssid_known ||
3977
        wpa_ft_validate_reassoc_resp(wpa_s->wpa,
3978
             data->assoc_info.resp_ies,
3979
             data->assoc_info.resp_ies_len,
3980
             bssid) < 0) {
3981
      wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
3982
        "Reassociation Response failed");
3983
      wpa_supplicant_deauthenticate(
3984
        wpa_s, WLAN_REASON_INVALID_IE);
3985
      return -1;
3986
    }
3987
    wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
3988
    /* SSID is included in PMK-R0 derivation, so it is verified
3989
     * implicitly. */
3990
    wpa_s->ssid_verified = true;
3991
  }
3992
3993
  wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
3994
           data->assoc_info.resp_ies_len);
3995
#endif /* CONFIG_IEEE80211R */
3996
3997
0
#ifndef CONFIG_NO_ROBUST_AV
3998
0
  if (bssid_known)
3999
0
    wpas_handle_assoc_resp_mscs(wpa_s, bssid,
4000
0
              data->assoc_info.resp_ies,
4001
0
              data->assoc_info.resp_ies_len);
4002
0
#endif /* CONFIG_NO_ROBUST_AV */
4003
4004
  /* WPA/RSN IE from Beacon/ProbeResp */
4005
0
  p = data->assoc_info.beacon_ies;
4006
0
  l = data->assoc_info.beacon_ies_len;
4007
4008
  /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
4009
   */
4010
0
  wpa_found = rsn_found = 0;
4011
0
  while (p && l >= 2) {
4012
0
    len = p[1] + 2;
4013
0
    if (len > l) {
4014
0
      wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
4015
0
            p, l);
4016
0
      break;
4017
0
    }
4018
0
    if (!wpa_found &&
4019
0
        p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
4020
0
        os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
4021
0
      wpa_found = 1;
4022
0
      wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
4023
0
    }
4024
4025
0
    if (!rsn_found &&
4026
0
        p[0] == WLAN_EID_RSN && p[1] >= 2) {
4027
0
      rsn_found = 1;
4028
0
      wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
4029
0
    }
4030
4031
0
    if (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
4032
0
        WPA_GET_BE32(&p[2]) == RSNE_OVERRIDE_2_IE_VENDOR_TYPE)
4033
0
      wpa_sm_set_ap_rsne_override_2(wpa_s->wpa, p, len);
4034
4035
0
    if (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
4036
0
        WPA_GET_BE32(&p[2]) == RSNE_OVERRIDE_IE_VENDOR_TYPE)
4037
0
      wpa_sm_set_ap_rsne_override(wpa_s->wpa, p, len);
4038
4039
0
    if (p[0] == WLAN_EID_RSNX && p[1] >= 1)
4040
0
      wpa_sm_set_ap_rsnxe(wpa_s->wpa, p, len);
4041
4042
0
    if (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 5 &&
4043
0
        WPA_GET_BE32(&p[2]) == RSNXE_OVERRIDE_IE_VENDOR_TYPE)
4044
0
      wpa_sm_set_ap_rsnxe_override(wpa_s->wpa, p, len);
4045
4046
0
    l -= len;
4047
0
    p += len;
4048
0
  }
4049
4050
0
  if (!wpa_found && data->assoc_info.beacon_ies)
4051
0
    wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
4052
0
  if (!rsn_found && data->assoc_info.beacon_ies) {
4053
0
    wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
4054
0
    wpa_sm_set_ap_rsnxe(wpa_s->wpa, NULL, 0);
4055
0
    wpa_sm_set_ap_rsne_override(wpa_s->wpa, NULL, 0);
4056
0
    wpa_sm_set_ap_rsne_override_2(wpa_s->wpa, NULL, 0);
4057
0
    wpa_sm_set_ap_rsnxe_override(wpa_s->wpa, NULL, 0);
4058
0
  }
4059
0
  if (wpa_found || rsn_found)
4060
0
    wpa_s->ap_ies_from_associnfo = 1;
4061
4062
0
  if (wpa_s->assoc_freq && data->assoc_info.freq) {
4063
0
    struct wpa_bss *bss;
4064
0
    unsigned int freq = 0;
4065
4066
0
    if (bssid_known) {
4067
0
      bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
4068
0
      if (bss)
4069
0
        freq = bss->freq;
4070
0
    }
4071
0
    if (freq != data->assoc_info.freq) {
4072
0
      wpa_printf(MSG_DEBUG,
4073
0
           "Operating frequency changed from %u to %u MHz",
4074
0
           wpa_s->assoc_freq, data->assoc_info.freq);
4075
0
      wpa_supplicant_update_scan_results(wpa_s, bssid);
4076
0
    }
4077
0
  }
4078
4079
0
  wpa_s->assoc_freq = data->assoc_info.freq;
4080
4081
#ifdef CONFIG_P2P
4082
  if (wpa_s->allow_p2p_assisted_dfs &&
4083
      ieee80211_is_dfs(wpa_s->assoc_freq, wpa_s->hw.modes,
4084
           wpa_s->hw.num_modes)) {
4085
    struct wpa_bss *bss = NULL;
4086
4087
    if (bssid_known)
4088
      bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
4089
4090
    if (bss && is_assisted_p2p_dfs_allowed(wpa_s, bss) &&
4091
        is_dfs_owner_ap(wpa_s, bss)) {
4092
      enum chan_width ap_operation_chan_width =
4093
        CHAN_WIDTH_UNKNOWN;
4094
      struct ieee802_11_elems resp_elems_local;
4095
4096
      /* Parse resp_ies locally to extract AP operation
4097
       * channel width */
4098
      if (data->assoc_info.resp_ies &&
4099
          ieee802_11_parse_elems(
4100
            data->assoc_info.resp_ies,
4101
            data->assoc_info.resp_ies_len,
4102
            &resp_elems_local, 0) != ParseFailed)
4103
        ap_operation_chan_width =
4104
          get_operation_channel_width(
4105
            &resp_elems_local);
4106
4107
      wpa_s->assisted_dfs = true;
4108
      wpas_update_dfs_ap_info(wpa_s, wpa_s->assoc_freq,
4109
            ap_operation_chan_width, false);
4110
    }
4111
  } else if (wpa_s->allow_p2p_assisted_dfs && wpa_s->valid_links) {
4112
    /* For MLO, check other links as well for DFS */
4113
    int i;
4114
4115
    for_each_link(wpa_s->valid_links, i) {
4116
      struct wpa_bss *link_bss;
4117
4118
      if (wpa_s->links[i].freq == wpa_s->assoc_freq)
4119
        continue;
4120
4121
      if (ieee80211_is_dfs(wpa_s->links[i].freq,
4122
               wpa_s->hw.modes,
4123
               wpa_s->hw.num_modes)) {
4124
        link_bss = wpa_s->links[i].bss;
4125
        if (!link_bss)
4126
          link_bss = wpa_bss_get_bssid(
4127
            wpa_s, wpa_s->links[i].bssid);
4128
4129
        if (link_bss &&
4130
            is_assisted_p2p_dfs_allowed(wpa_s,
4131
                link_bss) &&
4132
            is_dfs_owner_ap(wpa_s, link_bss)) {
4133
          wpa_s->assisted_dfs = true;
4134
          wpas_update_dfs_ap_info(
4135
            wpa_s, wpa_s->links[i].freq,
4136
            wpa_s->links[i].channel_bandwidth,
4137
            false);
4138
          break;
4139
        }
4140
      }
4141
    }
4142
  }
4143
#endif /* CONFIG_P2P */
4144
4145
0
#ifndef CONFIG_NO_ROBUST_AV
4146
0
  wpas_handle_assoc_resp_qos_mgmt(wpa_s, data->assoc_info.resp_ies,
4147
0
          data->assoc_info.resp_ies_len);
4148
0
#endif /* CONFIG_NO_ROBUST_AV */
4149
4150
0
  return 0;
4151
0
}
4152
4153
4154
static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
4155
0
{
4156
0
  const u8 *bss_wpa = NULL, *bss_rsn = NULL, *bss_rsnx = NULL;
4157
0
  const u8 *rsnoe, *rsno2e, *rsnxoe;
4158
4159
0
  if (!wpa_s->current_bss || !wpa_s->current_ssid)
4160
0
    return -1;
4161
4162
0
  if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
4163
0
    return 0;
4164
4165
0
  bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
4166
0
          WPA_IE_VENDOR_TYPE);
4167
0
  bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
4168
0
  bss_rsnx = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSNX);
4169
0
  rsnoe = wpa_bss_get_vendor_ie(wpa_s->current_bss,
4170
0
              RSNE_OVERRIDE_IE_VENDOR_TYPE);
4171
0
  rsno2e = wpa_bss_get_vendor_ie(wpa_s->current_bss,
4172
0
               RSNE_OVERRIDE_2_IE_VENDOR_TYPE);
4173
0
  rsnxoe = wpa_bss_get_vendor_ie(wpa_s->current_bss,
4174
0
               RSNXE_OVERRIDE_IE_VENDOR_TYPE);
4175
4176
0
  if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
4177
0
         bss_wpa ? 2 + bss_wpa[1] : 0) ||
4178
0
      wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
4179
0
         bss_rsn ? 2 + bss_rsn[1] : 0) ||
4180
0
      wpa_sm_set_ap_rsnxe(wpa_s->wpa, bss_rsnx,
4181
0
         bss_rsnx ? 2 + bss_rsnx[1] : 0) ||
4182
0
      wpa_sm_set_ap_rsne_override(wpa_s->wpa, rsnoe,
4183
0
          rsnoe ? 2 + rsnoe[1] : 0) ||
4184
0
      wpa_sm_set_ap_rsne_override_2(wpa_s->wpa, rsno2e,
4185
0
            rsno2e ? 2 + rsno2e[1] : 0) ||
4186
0
      wpa_sm_set_ap_rsnxe_override(wpa_s->wpa, rsnxoe,
4187
0
           rsnxoe ? 2 + rsnxoe[1] : 0))
4188
0
    return -1;
4189
4190
0
  return 0;
4191
0
}
4192
4193
4194
static void wpas_fst_update_mb_assoc(struct wpa_supplicant *wpa_s,
4195
             union wpa_event_data *data)
4196
0
{
4197
#ifdef CONFIG_FST
4198
  struct assoc_info *ai = data ? &data->assoc_info : NULL;
4199
  struct wpa_bss *bss = wpa_s->current_bss;
4200
  const u8 *ieprb, *iebcn;
4201
4202
  wpabuf_free(wpa_s->received_mb_ies);
4203
  wpa_s->received_mb_ies = NULL;
4204
4205
  if (ai &&
4206
      !wpas_fst_update_mbie(wpa_s, ai->resp_ies, ai->resp_ies_len)) {
4207
    wpa_printf(MSG_DEBUG,
4208
         "FST: MB IEs updated from Association Response frame");
4209
    return;
4210
  }
4211
4212
  if (ai &&
4213
      !wpas_fst_update_mbie(wpa_s, ai->beacon_ies, ai->beacon_ies_len)) {
4214
    wpa_printf(MSG_DEBUG,
4215
         "FST: MB IEs updated from association event Beacon IEs");
4216
    return;
4217
  }
4218
4219
  if (!bss)
4220
    return;
4221
4222
  ieprb = wpa_bss_ie_ptr(bss);
4223
  iebcn = ieprb + bss->ie_len;
4224
4225
  if (!wpas_fst_update_mbie(wpa_s, ieprb, bss->ie_len))
4226
    wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss IE");
4227
  else if (!wpas_fst_update_mbie(wpa_s, iebcn, bss->beacon_ie_len))
4228
    wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss beacon IE");
4229
#endif /* CONFIG_FST */
4230
0
}
4231
4232
4233
static unsigned int wpas_ml_parse_assoc(struct wpa_supplicant *wpa_s,
4234
          struct ieee802_11_elems *elems,
4235
          struct ml_sta_link_info *ml_info)
4236
0
{
4237
0
  struct wpabuf *mlbuf;
4238
0
  struct ieee80211_eht_ml *ml;
4239
0
  size_t ml_len;
4240
0
  struct eht_ml_basic_common_info *common_info;
4241
0
  const u8 *pos;
4242
0
  u16 eml_capa = 0, mld_capa = 0;
4243
0
  const u16 control = MULTI_LINK_CONTROL_TYPE_BASIC |
4244
0
    BASIC_MULTI_LINK_CTRL_PRES_LINK_ID |
4245
0
    BASIC_MULTI_LINK_CTRL_PRES_BSS_PARAM_CH_COUNT;
4246
0
  u8 expected_common_info_len = 9;
4247
0
  unsigned int i = 0;
4248
0
  u16 ml_control;
4249
4250
0
  if (!wpa_s->valid_links || !elems->basic_mle || !elems->basic_mle_len)
4251
0
    return 0;
4252
4253
0
  mlbuf = ieee802_11_defrag(elems->basic_mle, elems->basic_mle_len, true);
4254
0
  if (!mlbuf)
4255
0
    return 0;
4256
4257
0
  ml = (struct ieee80211_eht_ml *) wpabuf_head(mlbuf);
4258
0
  ml_len = wpabuf_len(mlbuf);
4259
0
  if (ml_len < sizeof(*ml))
4260
0
    goto out;
4261
4262
0
  os_memset(ml_info, 0, sizeof(*ml_info) * MAX_NUM_MLD_LINKS);
4263
4264
0
  ml_control = le_to_host16(ml->ml_control);
4265
4266
0
  if ((ml_control & control) != control) {
4267
0
    wpa_printf(MSG_DEBUG, "MLD: Invalid presence BM=0x%x",
4268
0
         ml_control);
4269
0
    goto out;
4270
0
  }
4271
4272
0
  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_EML_CAPA) {
4273
0
    wpa_printf(MSG_DEBUG, "MLD: EML capabilities included");
4274
0
    expected_common_info_len += 2;
4275
0
  }
4276
4277
0
  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MLD_CAPA) {
4278
0
    wpa_printf(MSG_DEBUG, "MLD: MLD capabilities included");
4279
0
    expected_common_info_len += 2;
4280
0
  }
4281
4282
0
  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MSD_INFO) {
4283
0
    wpa_printf(MSG_DEBUG,
4284
0
         "MLD: Unexpected: medium sync delay info present");
4285
0
    expected_common_info_len += 2;
4286
0
  }
4287
4288
0
  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_AP_MLD_ID) {
4289
0
    wpa_printf(MSG_DEBUG,
4290
0
         "MLD: Unexpected: MLD ID present");
4291
0
    expected_common_info_len++;
4292
0
  }
4293
4294
0
  if (sizeof(*ml) + expected_common_info_len > ml_len) {
4295
0
    wpa_printf(MSG_DEBUG,
4296
0
         "MLD: Not enough bytes for common info. ml_len=%zu",
4297
0
         ml_len);
4298
0
    goto out;
4299
0
  }
4300
4301
0
  common_info = (struct eht_ml_basic_common_info *) ml->variable;
4302
0
  if (common_info->len < expected_common_info_len) {
4303
0
    wpa_printf(MSG_DEBUG,
4304
0
         "MLD: Invalid common info len=%u. expected=%u",
4305
0
         common_info->len, expected_common_info_len);
4306
0
    goto out;
4307
0
  }
4308
4309
0
  wpa_printf(MSG_DEBUG, "MLD: address: " MACSTR,
4310
0
       MAC2STR(common_info->mld_addr));
4311
4312
0
  if (!ether_addr_equal(wpa_s->ap_mld_addr, common_info->mld_addr)) {
4313
0
    wpa_printf(MSG_DEBUG, "MLD: Mismatching MLD address (expected "
4314
0
         MACSTR ")", MAC2STR(wpa_s->ap_mld_addr));
4315
0
    goto out;
4316
0
  }
4317
4318
0
  pos = common_info->variable;
4319
4320
  /* Store the information for the association link */
4321
0
  ml_info[i].link_id = *pos;
4322
0
  pos++;
4323
4324
  /* Skip the BSS Parameters Change Count */
4325
0
  pos++;
4326
4327
  /* Skip the Medium Synchronization Delay Information if present  */
4328
0
  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MSD_INFO)
4329
0
    pos += 2;
4330
4331
0
  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_EML_CAPA) {
4332
0
    eml_capa = WPA_GET_LE16(pos);
4333
0
    pos += 2;
4334
0
  }
4335
4336
0
  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MLD_CAPA) {
4337
0
    mld_capa = WPA_GET_LE16(pos);
4338
0
    pos += 2;
4339
0
  }
4340
4341
0
  wpa_printf(MSG_DEBUG,
4342
0
       "MLD: link_id=%u, eml=0x%x, mld=0x%x",
4343
0
       ml_info[i].link_id, eml_capa, mld_capa);
4344
4345
0
  i++;
4346
4347
0
  pos = ((u8 *) common_info) + common_info->len;
4348
0
  ml_len -= sizeof(*ml) + common_info->len;
4349
0
  while (ml_len > 2 && i < MAX_NUM_MLD_LINKS) {
4350
0
    size_t sub_elem_len, sta_info_len, sta_info_len_min;
4351
0
    u8 nstr_bitmap_len = 0;
4352
0
    u16 ctrl;
4353
0
    const u8 *end;
4354
0
    int num_frag_subelems;
4355
4356
0
    num_frag_subelems =
4357
0
      ieee802_11_defrag_mle_subelem(mlbuf, pos,
4358
0
                  &sub_elem_len);
4359
0
    if (num_frag_subelems < 0) {
4360
0
      wpa_printf(MSG_DEBUG,
4361
0
           "MLD: Failed to parse MLE subelem");
4362
0
      goto out;
4363
0
    }
4364
4365
0
    ml_len -= num_frag_subelems * 2;
4366
4367
0
    wpa_printf(MSG_DEBUG, "MLD: Subelement len=%zu", sub_elem_len);
4368
4369
0
    if (sub_elem_len > ml_len - 2) {
4370
0
      wpa_printf(MSG_DEBUG,
4371
0
           "MLD: Invalid link info len: %zu > %zu",
4372
0
           2 + sub_elem_len, ml_len);
4373
0
      goto out;
4374
0
    }
4375
4376
0
    switch (*pos) {
4377
0
    case MULTI_LINK_SUB_ELEM_ID_PER_STA_PROFILE:
4378
0
      break;
4379
0
    case MULTI_LINK_SUB_ELEM_ID_FRAGMENT:
4380
0
    case MULTI_LINK_SUB_ELEM_ID_VENDOR:
4381
0
      wpa_printf(MSG_DEBUG,
4382
0
           "MLD: Skip subelement id=%u, len=%zu",
4383
0
           *pos, sub_elem_len);
4384
0
      pos += 2 + sub_elem_len;
4385
0
      ml_len -= 2 + sub_elem_len;
4386
0
      continue;
4387
0
    default:
4388
0
      wpa_printf(MSG_DEBUG, "MLD: Unknown subelement ID=%u",
4389
0
           *pos);
4390
0
      goto out;
4391
0
    }
4392
4393
0
    end = pos + 2 + sub_elem_len;
4394
4395
    /* Skip the subelement ID and the length */
4396
0
    pos += 2;
4397
0
    ml_len -= 2;
4398
4399
0
    if (end - pos < 2)
4400
0
      goto out;
4401
4402
    /* Get the station control field */
4403
0
    ctrl = WPA_GET_LE16(pos);
4404
4405
0
    pos += 2;
4406
0
    ml_len -= 2;
4407
4408
0
    if (!(ctrl & BASIC_MLE_STA_CTRL_COMPLETE_PROFILE)) {
4409
0
      wpa_printf(MSG_DEBUG,
4410
0
           "MLD: Per STA complete profile expected");
4411
0
      goto out;
4412
0
    }
4413
4414
0
    if (!(ctrl & BASIC_MLE_STA_CTRL_PRES_STA_MAC)) {
4415
0
      wpa_printf(MSG_DEBUG,
4416
0
           "MLD: Per STA MAC address not present");
4417
0
      goto out;
4418
0
    }
4419
4420
0
    if (!(ctrl & BASIC_MLE_STA_CTRL_PRES_TSF_OFFSET)) {
4421
0
      wpa_printf(MSG_DEBUG,
4422
0
           "MLD: Per STA TSF offset not present");
4423
0
      goto out;
4424
0
    }
4425
4426
0
    if (!(ctrl & BASIC_MLE_STA_CTRL_PRES_BEACON_INT)) {
4427
0
      wpa_printf(MSG_DEBUG,
4428
0
           "MLD: Beacon interval not present");
4429
0
      goto out;
4430
0
    }
4431
4432
0
    if (!(ctrl & BASIC_MLE_STA_CTRL_PRES_DTIM_INFO)) {
4433
0
      wpa_printf(MSG_DEBUG,
4434
0
           "MLD:  DTIM information not present");
4435
0
      goto out;
4436
0
    }
4437
4438
0
    if (ctrl & BASIC_MLE_STA_CTRL_PRES_NSTR_LINK_PAIR) {
4439
0
      if (ctrl & BASIC_MLE_STA_CTRL_NSTR_BITMAP)
4440
0
        nstr_bitmap_len = 2;
4441
0
      else
4442
0
        nstr_bitmap_len = 1;
4443
0
    }
4444
4445
0
    if (!(ctrl & BASIC_MLE_STA_CTRL_PRES_BSS_PARAM_COUNT)) {
4446
0
      wpa_printf(MSG_DEBUG,
4447
0
           "MLD:  BSS params change count not present");
4448
0
      goto out;
4449
0
    }
4450
4451
0
    sta_info_len_min = 1 + ETH_ALEN + 8 + 2 + 2 + 1 +
4452
0
      nstr_bitmap_len;
4453
0
    if (sta_info_len_min > ml_len ||
4454
0
        sta_info_len_min > (size_t) (end - pos) ||
4455
0
        sta_info_len_min + 2 > sub_elem_len) {
4456
0
      wpa_printf(MSG_DEBUG,
4457
0
           "MLD: Invalid STA info min len=%zu, len=%u",
4458
0
           sta_info_len_min, *pos);
4459
0
      goto out;
4460
0
    }
4461
0
    sta_info_len = *pos;
4462
0
    if (sta_info_len > ml_len ||
4463
0
        sta_info_len > sub_elem_len - 2 ||
4464
0
        sta_info_len < sta_info_len_min) {
4465
0
      wpa_printf(MSG_DEBUG,
4466
0
           "MLD: Invalid STA info min len=%zu, len=%zu",
4467
0
           sta_info_len_min, sta_info_len);
4468
0
      goto out;
4469
0
    }
4470
4471
    /* Get the link address */
4472
0
    wpa_printf(MSG_DEBUG,
4473
0
         "MLD: link addr: " MACSTR " nstr BM len=%u",
4474
0
         MAC2STR(pos + 1), nstr_bitmap_len);
4475
4476
0
    ml_info[i].link_id = ctrl & BASIC_MLE_STA_CTRL_LINK_ID_MASK;
4477
0
    os_memcpy(ml_info[i].bssid, pos + 1, ETH_ALEN);
4478
4479
0
    pos += sta_info_len;
4480
0
    ml_len -= sta_info_len;
4481
4482
0
    wpa_printf(MSG_DEBUG, "MLD: sub_elem_len=%zu, sta_info_len=%zu",
4483
0
         sub_elem_len, sta_info_len);
4484
4485
0
    sub_elem_len -= sta_info_len + 2;
4486
0
    if (sub_elem_len < 4) {
4487
0
      wpa_printf(MSG_DEBUG, "MLD: Per STA profile too short");
4488
0
      goto out;
4489
0
    }
4490
4491
0
    wpa_hexdump(MSG_MSGDUMP, "MLD: STA profile", pos, sub_elem_len);
4492
0
    ml_info[i].status = WPA_GET_LE16(pos + 2);
4493
4494
0
    if (sub_elem_len > ml_len)
4495
0
      goto out;
4496
0
    pos += sub_elem_len;
4497
0
    ml_len -= sub_elem_len;
4498
4499
0
    i++;
4500
0
  }
4501
4502
0
  wpabuf_free(mlbuf);
4503
0
  return i;
4504
0
out:
4505
0
  wpabuf_free(mlbuf);
4506
0
  return 0;
4507
0
}
4508
4509
4510
static int wpa_drv_get_mlo_info(struct wpa_supplicant *wpa_s)
4511
0
{
4512
0
  struct driver_sta_mlo_info mlo;
4513
0
  int i;
4514
4515
0
  os_memset(&mlo, 0, sizeof(mlo));
4516
0
  if (wpas_drv_get_sta_mlo_info(wpa_s, &mlo)) {
4517
0
    wpa_dbg(wpa_s, MSG_ERROR, "Failed to get MLO link info");
4518
0
    wpa_supplicant_deauthenticate(wpa_s,
4519
0
                WLAN_REASON_DEAUTH_LEAVING);
4520
0
    return -1;
4521
0
  }
4522
4523
0
  if (wpa_s->valid_links == mlo.valid_links) {
4524
0
    bool match = true;
4525
4526
0
    if (!mlo.valid_links)
4527
0
      return 0;
4528
4529
0
    for_each_link(mlo.valid_links, i) {
4530
0
      if (!ether_addr_equal(wpa_s->links[i].addr,
4531
0
                mlo.links[i].addr) ||
4532
0
          !ether_addr_equal(wpa_s->links[i].bssid,
4533
0
                mlo.links[i].bssid)) {
4534
0
        match = false;
4535
0
        break;
4536
0
      }
4537
0
    }
4538
4539
0
    if (match && wpa_s->mlo_assoc_link_id == mlo.assoc_link_id &&
4540
0
        ether_addr_equal(wpa_s->ap_mld_addr, mlo.ap_mld_addr))
4541
0
      return 0;
4542
0
  }
4543
4544
0
  wpa_s->valid_links = mlo.valid_links;
4545
0
  wpa_s->mlo_assoc_link_id = mlo.assoc_link_id;
4546
0
  os_memcpy(wpa_s->ap_mld_addr, mlo.ap_mld_addr, ETH_ALEN);
4547
0
  for_each_link(wpa_s->valid_links, i) {
4548
0
    os_memcpy(wpa_s->links[i].addr, mlo.links[i].addr, ETH_ALEN);
4549
0
    os_memcpy(wpa_s->links[i].bssid, mlo.links[i].bssid, ETH_ALEN);
4550
0
    wpa_s->links[i].freq = mlo.links[i].freq;
4551
0
    wpa_supplicant_update_link_bss(wpa_s, i, mlo.links[i].bssid);
4552
0
  }
4553
4554
0
  return 0;
4555
0
}
4556
4557
4558
static int wpa_sm_set_ml_info(struct wpa_supplicant *wpa_s)
4559
0
{
4560
0
  struct driver_sta_mlo_info drv_mlo;
4561
0
  struct wpa_sm_mlo wpa_mlo;
4562
0
  int i;
4563
4564
0
  os_memset(&drv_mlo, 0, sizeof(drv_mlo));
4565
0
  if (wpas_drv_get_sta_mlo_info(wpa_s, &drv_mlo)) {
4566
0
    wpa_dbg(wpa_s, MSG_INFO, "Failed to get MLO link info");
4567
0
    return -1;
4568
0
  }
4569
4570
0
  os_memset(&wpa_mlo, 0, sizeof(wpa_mlo));
4571
0
  if (!drv_mlo.valid_links)
4572
0
    goto out;
4573
4574
0
  os_memcpy(wpa_mlo.ap_mld_addr, drv_mlo.ap_mld_addr, ETH_ALEN);
4575
0
  wpa_mlo.assoc_link_id = drv_mlo.assoc_link_id;
4576
0
  wpa_mlo.valid_links = drv_mlo.valid_links;
4577
0
  wpa_mlo.req_links = drv_mlo.req_links;
4578
4579
0
  for_each_link(drv_mlo.req_links, i) {
4580
0
    struct wpa_bss *bss;
4581
0
    const u8 *rsne, *rsnxe, *rsnoe, *rsno2e, *rsnxoe;
4582
4583
0
    bss = wpa_supplicant_get_new_bss(wpa_s, drv_mlo.links[i].bssid);
4584
0
    if (!bss) {
4585
0
      wpa_dbg(wpa_s, MSG_INFO,
4586
0
        "Failed to get MLO link %d BSS", i);
4587
0
      return -1;
4588
0
    }
4589
4590
0
    rsne = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4591
0
    rsnxe = wpa_bss_get_ie(bss, WLAN_EID_RSNX);
4592
0
    rsnoe = wpa_bss_get_vendor_ie(bss,
4593
0
                RSNE_OVERRIDE_IE_VENDOR_TYPE);
4594
0
    rsno2e = wpa_bss_get_vendor_ie(bss,
4595
0
                 RSNE_OVERRIDE_2_IE_VENDOR_TYPE);
4596
0
    rsnxoe = wpa_bss_get_vendor_ie(bss,
4597
0
                 RSNXE_OVERRIDE_IE_VENDOR_TYPE);
4598
4599
0
    wpa_mlo.links[i].ap_rsne = rsne ? (u8 *) rsne : NULL;
4600
0
    wpa_mlo.links[i].ap_rsne_len = rsne ? 2 + rsne[1] : 0;
4601
0
    wpa_mlo.links[i].ap_rsnxe = rsnxe ? (u8 *) rsnxe : NULL;
4602
0
    wpa_mlo.links[i].ap_rsnxe_len = rsnxe ? 2 + rsnxe[1] : 0;
4603
0
    wpa_mlo.links[i].ap_rsnoe = rsnoe ? (u8 *) rsnoe : NULL;
4604
0
    wpa_mlo.links[i].ap_rsnoe_len = rsnoe ? 2 + rsnoe[1] : 0;
4605
0
    wpa_mlo.links[i].ap_rsno2e = rsno2e ? (u8 *) rsno2e : NULL;
4606
0
    wpa_mlo.links[i].ap_rsno2e_len = rsno2e ? 2 + rsno2e[1] : 0;
4607
0
    wpa_mlo.links[i].ap_rsnxoe = rsnxoe ? (u8 *) rsnxoe : NULL;
4608
0
    wpa_mlo.links[i].ap_rsnxoe_len = rsnxoe ? 2 + rsnxoe[1] : 0;
4609
4610
0
    os_memcpy(wpa_mlo.links[i].bssid, drv_mlo.links[i].bssid,
4611
0
        ETH_ALEN);
4612
0
    os_memcpy(wpa_mlo.links[i].addr, drv_mlo.links[i].addr,
4613
0
        ETH_ALEN);
4614
0
  }
4615
4616
0
out:
4617
0
  return wpa_sm_set_mlo_params(wpa_s->wpa, &wpa_mlo);
4618
0
}
4619
4620
4621
static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
4622
               union wpa_event_data *data)
4623
0
{
4624
0
  u8 bssid[ETH_ALEN];
4625
0
  int ft_completed, already_authorized;
4626
0
  int new_bss = 0;
4627
#if defined(CONFIG_FILS) || defined(CONFIG_MBO)
4628
  struct wpa_bss *bss;
4629
#endif /* CONFIG_FILS || CONFIG_MBO */
4630
4631
#ifdef CONFIG_AP
4632
  if (wpa_s->ap_iface) {
4633
    if (!data)
4634
      return;
4635
    hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
4636
            data->assoc_info.addr,
4637
            data->assoc_info.req_ies,
4638
            data->assoc_info.req_ies_len, NULL, 0,
4639
            NULL, data->assoc_info.reassoc);
4640
    return;
4641
  }
4642
#endif /* CONFIG_AP */
4643
4644
0
  eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
4645
0
  wpa_s->own_reconnect_req = 0;
4646
4647
0
  ft_completed = wpa_ft_is_completed(wpa_s->wpa);
4648
4649
0
  if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
4650
0
    wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
4651
0
    wpa_supplicant_deauthenticate(
4652
0
      wpa_s, WLAN_REASON_DEAUTH_LEAVING);
4653
0
    return;
4654
0
  }
4655
4656
0
  if (wpa_drv_get_mlo_info(wpa_s) < 0) {
4657
0
    wpa_dbg(wpa_s, MSG_ERROR, "Failed to get MLO connection info");
4658
0
    wpa_supplicant_deauthenticate(wpa_s,
4659
0
                WLAN_REASON_DEAUTH_LEAVING);
4660
0
    return;
4661
0
  }
4662
4663
0
  if (ft_completed &&
4664
0
      (wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION)) {
4665
0
    wpa_msg(wpa_s, MSG_INFO, "Attempt to roam to " MACSTR,
4666
0
      MAC2STR(bssid));
4667
0
    if (!wpa_supplicant_update_current_bss(wpa_s, bssid)) {
4668
0
      wpa_printf(MSG_ERROR,
4669
0
           "Can't find target AP's information!");
4670
0
      return;
4671
0
    }
4672
0
    wpa_supplicant_assoc_update_ie(wpa_s);
4673
0
  }
4674
4675
0
  if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
4676
0
    return;
4677
  /*
4678
   * FILS authentication can share the same mechanism to mark the
4679
   * connection fully authenticated, so set ft_completed also based on
4680
   * FILS result.
4681
   */
4682
0
  if (!ft_completed)
4683
0
    ft_completed = wpa_fils_is_completed(wpa_s->wpa);
4684
4685
0
  if (!ft_completed)
4686
0
    ft_completed = wpa_eppke_is_completed(wpa_s->wpa);
4687
4688
0
  if (!ft_completed)
4689
0
    ft_completed = wpa_eap_over_auth_frame_is_completed(wpa_s->wpa);
4690
4691
0
  wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
4692
0
  if (!ether_addr_equal(bssid, wpa_s->bssid)) {
4693
0
    if (os_reltime_initialized(&wpa_s->session_start)) {
4694
0
      os_reltime_age(&wpa_s->session_start,
4695
0
               &wpa_s->session_length);
4696
0
      wpa_s->session_start.sec = 0;
4697
0
      wpa_s->session_start.usec = 0;
4698
0
      wpas_notify_session_length(wpa_s);
4699
0
    } else {
4700
0
      wpas_notify_auth_changed(wpa_s);
4701
0
      os_get_reltime(&wpa_s->session_start);
4702
0
    }
4703
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
4704
0
      MACSTR, MAC2STR(bssid));
4705
0
    new_bss = 1;
4706
0
    random_add_randomness(bssid, ETH_ALEN);
4707
0
    os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
4708
0
    os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
4709
0
    wpas_notify_bssid_changed(wpa_s);
4710
4711
0
    if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
4712
0
      wpa_clear_keys(wpa_s, bssid);
4713
0
    }
4714
0
    if (wpa_supplicant_select_config(wpa_s, data) < 0) {
4715
0
      wpa_supplicant_deauthenticate(
4716
0
        wpa_s, WLAN_REASON_DEAUTH_LEAVING);
4717
0
      return;
4718
0
    }
4719
0
  }
4720
4721
0
  if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
4722
0
      data && wpa_supplicant_use_own_rsne_params(wpa_s, data) < 0)
4723
0
    return;
4724
4725
0
  multi_ap_set_4addr_mode(wpa_s);
4726
4727
0
  if (wpa_s->conf->ap_scan == 1 &&
4728
0
      wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
4729
0
    if (wpa_supplicant_assoc_update_ie(wpa_s) < 0 && new_bss)
4730
0
      wpa_msg(wpa_s, MSG_WARNING,
4731
0
        "WPA/RSN IEs not updated");
4732
0
  }
4733
4734
0
  wpas_fst_update_mb_assoc(wpa_s, data);
4735
4736
#ifdef CONFIG_SME
4737
  /*
4738
   * Cache the current AP's BSSID (for non-MLO connection) or MLD address
4739
   * (for MLO connection) as the previous BSSID for subsequent
4740
   * reassociation requests handled by SME-in-wpa_supplicant.
4741
   */
4742
  os_memcpy(wpa_s->sme.prev_bssid,
4743
      wpa_s->valid_links ? wpa_s->ap_mld_addr : bssid, ETH_ALEN);
4744
  wpa_s->sme.prev_bssid_set = 1;
4745
  wpa_s->sme.last_unprot_disconnect.sec = 0;
4746
#endif /* CONFIG_SME */
4747
4748
0
  wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
4749
0
  if (wpa_s->current_ssid) {
4750
    /* When using scanning (ap_scan=1), SIM PC/SC interface can be
4751
     * initialized before association, but for other modes,
4752
     * initialize PC/SC here, if the current configuration needs
4753
     * smartcard or SIM/USIM. */
4754
0
    wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
4755
0
  }
4756
0
  wpa_sm_notify_assoc(wpa_s->wpa, bssid);
4757
4758
#ifdef CONFIG_PMKSA_PRIVACY
4759
  if (wpa_s->pmkid_anonce_set && wpa_s->pmkid_snonce_set &&
4760
      wpa_s->assoc_resp_encrypted &&
4761
      wpa_sm_pmksa_privacy_supported(wpa_s->wpa) &&
4762
      (wpa_s->drv_flags2 &
4763
       WPA_DRIVER_FLAGS2_ASSOCIATION_FRAME_ENCRYPTION)) {
4764
    struct rsn_pmksa_cache *t = wpa_sm_get_pmksa_cache(wpa_s->wpa);
4765
    const u8 *addr = wpa_s->valid_links ?
4766
      wpa_s->ap_mld_addr : wpa_s->bssid;
4767
    struct rsn_pmksa_cache_entry *e;
4768
4769
    e = pmksa_cache_get(t, addr, NULL, NULL, 0, wpa_s->key_mgmt);
4770
    if (e && (e->auth_alg == WLAN_AUTH_EPPKE ||
4771
        e->auth_alg == WLAN_AUTH_802_1X)) {
4772
      rsn_pmkid_privacy(wpa_s->pmkid_anonce,
4773
            wpa_s->pmkid_snonce,
4774
            wpa_s->key_mgmt, e->pmk_len,
4775
            e->pmkid);
4776
    } else {
4777
      wpa_printf(MSG_DEBUG,
4778
           "PMKID privacy: PMKSA cache entry not found for "
4779
           MACSTR, MAC2STR(addr));
4780
    }
4781
    wpa_s->pmkid_anonce_set = false;
4782
    wpa_s->pmkid_snonce_set = false;
4783
  }
4784
#endif /* CONFIG_PMKSA_PRIVACY */
4785
4786
0
  if (wpa_sm_set_ml_info(wpa_s)) {
4787
0
    wpa_dbg(wpa_s, MSG_INFO,
4788
0
      "Failed to set MLO connection info to wpa_sm");
4789
0
    wpa_supplicant_deauthenticate(wpa_s,
4790
0
                WLAN_REASON_DEAUTH_LEAVING);
4791
0
    return;
4792
0
  }
4793
4794
0
  if (wpa_s->l2)
4795
0
    l2_packet_notify_auth_start(wpa_s->l2);
4796
4797
0
  already_authorized = data && data->assoc_info.authorized;
4798
4799
  /*
4800
   * Set portEnabled first to false in order to get EAP state machine out
4801
   * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
4802
   * state machine may transit to AUTHENTICATING state based on obsolete
4803
   * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
4804
   * AUTHENTICATED without ever giving chance to EAP state machine to
4805
   * reset the state.
4806
   */
4807
0
  if (!ft_completed && !already_authorized) {
4808
0
    eapol_sm_notify_portEnabled(wpa_s->eapol, false);
4809
0
    eapol_sm_notify_portValid(wpa_s->eapol, false);
4810
0
  }
4811
0
  if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
4812
0
      wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
4813
0
      wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || ft_completed ||
4814
0
      already_authorized || wpa_s->drv_authorized_port)
4815
0
    eapol_sm_notify_eap_success(wpa_s->eapol, false);
4816
  /* 802.1X::portControl = Auto */
4817
0
  eapol_sm_notify_portEnabled(wpa_s->eapol, true);
4818
0
  wpa_s->eapol_received = 0;
4819
0
  if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
4820
0
      wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
4821
0
      (wpa_s->current_ssid &&
4822
0
       wpa_s->current_ssid->mode == WPAS_MODE_IBSS)) {
4823
0
    if (wpa_s->current_ssid &&
4824
0
        wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
4825
0
        (wpa_s->drv_flags &
4826
0
         WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
4827
      /*
4828
       * Set the key after having received joined-IBSS event
4829
       * from the driver.
4830
       */
4831
0
      wpa_supplicant_set_wpa_none_key(wpa_s,
4832
0
              wpa_s->current_ssid);
4833
0
    }
4834
0
    wpa_supplicant_cancel_auth_timeout(wpa_s);
4835
0
    wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
4836
0
  } else if (!ft_completed) {
4837
    /* Timeout for receiving the first EAPOL packet */
4838
0
    wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
4839
0
  }
4840
0
  wpa_supplicant_cancel_scan(wpa_s);
4841
4842
0
  if (ft_completed) {
4843
    /*
4844
     * FT protocol completed - make sure EAPOL state machine ends
4845
     * up in authenticated.
4846
     */
4847
0
    wpa_supplicant_cancel_auth_timeout(wpa_s);
4848
0
    wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
4849
0
    eapol_sm_notify_portValid(wpa_s->eapol, true);
4850
0
    eapol_sm_notify_eap_success(wpa_s->eapol, true);
4851
0
  } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK) &&
4852
0
       wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
4853
0
    if (already_authorized) {
4854
      /*
4855
       * We are done; the driver will take care of RSN 4-way
4856
       * handshake.
4857
       */
4858
0
      wpa_supplicant_cancel_auth_timeout(wpa_s);
4859
0
      wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
4860
0
      eapol_sm_notify_portValid(wpa_s->eapol, true);
4861
0
      eapol_sm_notify_eap_success(wpa_s->eapol, true);
4862
0
    } else {
4863
      /* Update port, WPA_COMPLETED state from the
4864
       * EVENT_PORT_AUTHORIZED handler when the driver is done
4865
       * with the 4-way handshake.
4866
       */
4867
0
      wpa_msg(wpa_s, MSG_DEBUG,
4868
0
        "ASSOC INFO: wait for driver port authorized indication");
4869
0
    }
4870
0
  } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X) &&
4871
0
       wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
4872
    /*
4873
     * The driver will take care of RSN 4-way handshake, so we need
4874
     * to allow EAPOL supplicant to complete its work without
4875
     * waiting for WPA supplicant.
4876
     */
4877
0
    eapol_sm_notify_portValid(wpa_s->eapol, true);
4878
0
  }
4879
4880
0
  wpa_s->last_eapol_matches_bssid = 0;
4881
0
  wpa_s->ext_auth_to_same_bss = false;
4882
4883
#ifdef CONFIG_TESTING_OPTIONS
4884
  if (wpa_s->rsne_override_eapol) {
4885
    wpa_printf(MSG_DEBUG,
4886
         "TESTING: RSNE EAPOL-Key msg 2/4 override");
4887
    wpa_sm_set_assoc_wpa_ie(wpa_s->wpa,
4888
          wpabuf_head(wpa_s->rsne_override_eapol),
4889
          wpabuf_len(wpa_s->rsne_override_eapol));
4890
  }
4891
  if (wpa_s->rsnxe_override_eapol) {
4892
    wpa_printf(MSG_DEBUG,
4893
         "TESTING: RSNXE EAPOL-Key msg 2/4 override");
4894
    wpa_sm_set_assoc_rsnxe(wpa_s->wpa,
4895
               wpabuf_head(wpa_s->rsnxe_override_eapol),
4896
               wpabuf_len(wpa_s->rsnxe_override_eapol));
4897
  }
4898
#endif /* CONFIG_TESTING_OPTIONS */
4899
4900
0
  if (wpa_s->pending_eapol_rx) {
4901
0
    struct os_reltime now, age;
4902
0
    os_get_reltime(&now);
4903
0
    os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
4904
0
    if (age.sec == 0 && age.usec < 200000 &&
4905
0
        ether_addr_equal(wpa_s->pending_eapol_rx_src,
4906
0
             wpa_s->valid_links ? wpa_s->ap_mld_addr :
4907
0
             bssid)) {
4908
0
      wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
4909
0
        "frame that was received just before "
4910
0
        "association notification");
4911
0
      wpa_supplicant_rx_eapol(
4912
0
        wpa_s, wpa_s->pending_eapol_rx_src,
4913
0
        wpabuf_head(wpa_s->pending_eapol_rx),
4914
0
        wpabuf_len(wpa_s->pending_eapol_rx),
4915
0
        wpa_s->pending_eapol_encrypted);
4916
0
    }
4917
0
    wpabuf_free(wpa_s->pending_eapol_rx);
4918
0
    wpa_s->pending_eapol_rx = NULL;
4919
0
  }
4920
4921
#ifdef CONFIG_WEP
4922
  if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
4923
       wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
4924
      wpa_s->current_ssid &&
4925
      (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
4926
    /* Set static WEP keys again */
4927
    wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
4928
  }
4929
#endif /* CONFIG_WEP */
4930
4931
#ifdef CONFIG_IBSS_RSN
4932
  if (wpa_s->current_ssid &&
4933
      wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
4934
      wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
4935
      wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
4936
      wpa_s->ibss_rsn == NULL) {
4937
    wpa_s->ibss_rsn = ibss_rsn_init(wpa_s, wpa_s->current_ssid);
4938
    if (!wpa_s->ibss_rsn) {
4939
      wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
4940
      wpa_supplicant_deauthenticate(
4941
        wpa_s, WLAN_REASON_DEAUTH_LEAVING);
4942
      return;
4943
    }
4944
4945
    ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
4946
  }
4947
#endif /* CONFIG_IBSS_RSN */
4948
4949
0
  wpas_wps_notify_assoc(wpa_s, bssid);
4950
4951
0
#ifndef CONFIG_NO_WMM_AC
4952
0
  if (data) {
4953
0
    wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies,
4954
0
            data->assoc_info.resp_ies_len,
4955
0
            &data->assoc_info.wmm_params);
4956
4957
0
    if (wpa_s->reassoc_same_bss)
4958
0
      wmm_ac_restore_tspecs(wpa_s);
4959
0
  }
4960
0
#endif /* CONFIG_NO_WMM_AC */
4961
4962
#if defined(CONFIG_FILS) || defined(CONFIG_MBO)
4963
  bss = wpa_bss_get_bssid(wpa_s, bssid);
4964
#endif /* CONFIG_FILS || CONFIG_MBO */
4965
#ifdef CONFIG_FILS
4966
  if (wpa_key_mgmt_fils(wpa_s->key_mgmt)) {
4967
    const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);
4968
4969
    if (fils_cache_id)
4970
      wpa_sm_set_fils_cache_id(wpa_s->wpa, fils_cache_id);
4971
  }
4972
#endif /* CONFIG_FILS */
4973
4974
#ifdef CONFIG_MBO
4975
  wpas_mbo_check_pmf(wpa_s, bss, wpa_s->current_ssid);
4976
#endif /* CONFIG_MBO */
4977
4978
#ifdef CONFIG_DPP2
4979
  wpa_s->dpp_pfs_fallback = 0;
4980
#endif /* CONFIG_DPP2 */
4981
4982
0
  if (wpa_s->current_ssid && wpa_s->current_ssid->enable_4addr_mode)
4983
0
    wpa_supplicant_set_4addr_mode(wpa_s);
4984
0
}
4985
4986
4987
static int disconnect_reason_recoverable(u16 reason_code)
4988
0
{
4989
0
  return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
4990
0
    reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
4991
0
    reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
4992
0
}
4993
4994
4995
static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
4996
            u16 reason_code,
4997
            int locally_generated)
4998
0
{
4999
0
  const u8 *bssid;
5000
5001
0
  bssid = wpa_s->bssid;
5002
0
  if (is_zero_ether_addr(bssid))
5003
0
    bssid = wpa_s->pending_bssid;
5004
5005
0
  if (!is_zero_ether_addr(bssid) ||
5006
0
      wpa_s->wpa_state >= WPA_AUTHENTICATING) {
5007
0
    wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
5008
0
      " reason=%d%s",
5009
0
      MAC2STR(bssid), reason_code,
5010
0
      locally_generated ? " locally_generated=1" : "");
5011
0
  }
5012
0
}
5013
5014
5015
static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
5016
         int locally_generated)
5017
0
{
5018
0
  if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
5019
0
      !wpa_s->new_connection ||
5020
0
      !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
5021
0
      wpa_key_mgmt_sae(wpa_s->key_mgmt))
5022
0
    return 0; /* Not in initial 4-way handshake with PSK */
5023
5024
  /*
5025
   * It looks like connection was lost while trying to go through PSK
5026
   * 4-way handshake. Filter out known disconnection cases that are caused
5027
   * by something else than PSK mismatch to avoid confusing reports.
5028
   */
5029
5030
0
  if (locally_generated) {
5031
0
    if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
5032
0
      return 0;
5033
0
    if (reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY)
5034
0
      return 0;
5035
0
  }
5036
5037
0
  return 1;
5038
0
}
5039
5040
5041
static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
5042
             u16 reason_code,
5043
             int locally_generated)
5044
0
{
5045
0
  const u8 *bssid;
5046
0
  struct wpa_bss *fast_reconnect = NULL;
5047
0
  struct wpa_ssid *fast_reconnect_ssid = NULL;
5048
0
  struct wpa_bss *curr = NULL;
5049
5050
0
  if (!wpa_s->disconnected && wpa_s->wpa_state >= WPA_AUTHENTICATING &&
5051
0
      reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY &&
5052
0
      locally_generated)
5053
    /*
5054
     * Remove the inactive AP (which is probably out of range) from
5055
     * the BSS list after marking disassociation. In particular
5056
     * mac80211-based drivers use the
5057
     * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in
5058
     * locally generated disconnection events for cases where the
5059
     * AP does not reply anymore.
5060
     */
5061
0
    curr = wpa_s->current_bss;
5062
5063
0
  if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
5064
0
    wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
5065
0
      "pre-shared key may be incorrect");
5066
0
    if (wpas_p2p_4way_hs_failed(wpa_s) > 0)
5067
0
      return; /* P2P group removed */
5068
0
    bssid = wpa_s->bssid;
5069
0
    if (is_zero_ether_addr(bssid))
5070
0
      bssid = wpa_s->pending_bssid;
5071
0
    wpa_bssid_ignore_add(wpa_s, bssid);
5072
0
    wpas_auth_failed(wpa_s, "WRONG_KEY", wpa_s->pending_bssid);
5073
0
    wpas_notify_psk_mismatch(wpa_s);
5074
0
  }
5075
0
  if (!wpa_s->disconnected &&
5076
0
      (!wpa_s->auto_reconnect_disabled ||
5077
0
       wpa_s->key_mgmt == WPA_KEY_MGMT_WPS ||
5078
0
       wpas_wps_searching(wpa_s) ||
5079
0
       wpas_wps_reenable_networks_pending(wpa_s))) {
5080
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
5081
0
      "reconnect (wps=%d/%d wpa_state=%d)",
5082
0
      wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
5083
0
      wpas_wps_searching(wpa_s),
5084
0
      wpa_s->wpa_state);
5085
0
    if (wpa_s->wpa_state == WPA_COMPLETED &&
5086
0
        wpa_s->current_ssid &&
5087
0
        wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
5088
0
        (wpa_s->own_reconnect_req ||
5089
0
         (!locally_generated &&
5090
0
          disconnect_reason_recoverable(reason_code)))) {
5091
      /*
5092
       * It looks like the AP has dropped association with
5093
       * us, but could allow us to get back in. This is also
5094
       * triggered for cases where local reconnection request
5095
       * is used to force reassociation with the same BSS.
5096
       * Try to reconnect to the same BSS without a full scan
5097
       * to save time for some common cases.
5098
       */
5099
0
      fast_reconnect = wpa_s->current_bss;
5100
0
      fast_reconnect_ssid = wpa_s->current_ssid;
5101
0
    } else if (wpa_s->wpa_state >= WPA_ASSOCIATING) {
5102
0
      wpa_supplicant_req_scan(wpa_s, 0, 100000);
5103
0
    } else {
5104
0
      wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
5105
0
        "immediate scan");
5106
0
    }
5107
0
  } else {
5108
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
5109
0
      "try to re-connect");
5110
0
    wpa_s->reassociate = 0;
5111
0
    wpa_s->disconnected = 1;
5112
0
    if (!wpa_s->pno)
5113
0
      wpa_supplicant_cancel_sched_scan(wpa_s);
5114
0
  }
5115
0
  bssid = wpa_s->bssid;
5116
0
  if (is_zero_ether_addr(bssid))
5117
0
    bssid = wpa_s->pending_bssid;
5118
0
  if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
5119
0
    wpas_connection_failed(wpa_s, bssid, NULL);
5120
0
  wpa_sm_notify_disassoc(wpa_s->wpa);
5121
0
  ptksa_cache_flush(wpa_s->ptksa, wpa_s->bssid, WPA_CIPHER_NONE);
5122
5123
0
  wpas_update_dfs_ap_info(wpa_s, 0, 0, true);
5124
5125
0
  if (locally_generated)
5126
0
    wpa_s->disconnect_reason = -reason_code;
5127
0
  else
5128
0
    wpa_s->disconnect_reason = reason_code;
5129
0
  wpas_notify_disconnect_reason(wpa_s);
5130
#ifdef CONFIG_DPP2
5131
  wpas_dpp_send_conn_status_result(wpa_s, DPP_STATUS_AUTH_FAILURE);
5132
#endif /* CONFIG_DPP2 */
5133
0
  if (wpa_supplicant_dynamic_keys(wpa_s)) {
5134
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
5135
0
    wpa_clear_keys(wpa_s, wpa_s->bssid);
5136
0
  }
5137
0
  wpa_supplicant_mark_disassoc(wpa_s);
5138
5139
0
  if (curr)
5140
0
    wpa_bss_remove(wpa_s, curr, "Connection to AP lost");
5141
5142
0
  if (fast_reconnect &&
5143
0
      !wpas_network_disabled(wpa_s, fast_reconnect_ssid) &&
5144
0
      !disallowed_bssid(wpa_s, fast_reconnect->bssid) &&
5145
0
      !disallowed_ssid(wpa_s, fast_reconnect->ssid,
5146
0
           fast_reconnect->ssid_len) &&
5147
0
      !wpas_temp_disabled(wpa_s, fast_reconnect_ssid) &&
5148
0
      !wpa_is_bss_tmp_disallowed(wpa_s, fast_reconnect)) {
5149
0
#ifndef CONFIG_NO_SCAN_PROCESSING
5150
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
5151
0
    if (wpa_supplicant_connect(wpa_s, fast_reconnect,
5152
0
             fast_reconnect_ssid) < 0) {
5153
      /* Recover through full scan */
5154
0
      wpa_supplicant_req_scan(wpa_s, 0, 100000);
5155
0
    }
5156
0
#endif /* CONFIG_NO_SCAN_PROCESSING */
5157
0
  } else if (fast_reconnect) {
5158
    /*
5159
     * Could not reconnect to the same BSS due to network being
5160
     * disabled. Use a new scan to match the alternative behavior
5161
     * above, i.e., to continue automatic reconnection attempt in a
5162
     * way that enforces disabled network rules.
5163
     */
5164
0
    wpa_supplicant_req_scan(wpa_s, 0, 100000);
5165
0
  }
5166
0
}
5167
5168
5169
#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
5170
void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
5171
{
5172
  struct wpa_supplicant *wpa_s = eloop_ctx;
5173
5174
  if (!wpa_s->pending_mic_error_report)
5175
    return;
5176
5177
  wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
5178
  wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
5179
  wpa_s->pending_mic_error_report = 0;
5180
}
5181
#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
5182
5183
5184
static void
5185
wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
5186
           union wpa_event_data *data)
5187
0
{
5188
0
  int pairwise;
5189
0
  struct os_reltime t;
5190
5191
0
  wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
5192
0
  pairwise = (data && data->michael_mic_failure.unicast);
5193
0
  os_get_reltime(&t);
5194
0
  if ((os_reltime_initialized(&wpa_s->last_michael_mic_error) &&
5195
0
       !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) ||
5196
0
      wpa_s->pending_mic_error_report) {
5197
0
    if (wpa_s->pending_mic_error_report) {
5198
      /*
5199
       * Send the pending MIC error report immediately since
5200
       * we are going to start countermeasures and AP better
5201
       * do the same.
5202
       */
5203
0
      wpa_sm_key_request(wpa_s->wpa, 1,
5204
0
             wpa_s->pending_mic_error_pairwise);
5205
0
    }
5206
5207
    /* Send the new MIC error report immediately since we are going
5208
     * to start countermeasures and AP better do the same.
5209
     */
5210
0
    wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
5211
5212
    /* initialize countermeasures */
5213
0
    wpa_s->countermeasures = 1;
5214
5215
0
    wpa_bssid_ignore_add(wpa_s, wpa_s->bssid);
5216
5217
0
    wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
5218
5219
    /*
5220
     * Need to wait for completion of request frame. We do not get
5221
     * any callback for the message completion, so just wait a
5222
     * short while and hope for the best. */
5223
0
    os_sleep(0, 10000);
5224
5225
0
    wpa_drv_set_countermeasures(wpa_s, 1);
5226
0
    wpa_supplicant_deauthenticate(wpa_s,
5227
0
                WLAN_REASON_MICHAEL_MIC_FAILURE);
5228
0
    eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
5229
0
             wpa_s, NULL);
5230
0
    eloop_register_timeout(60, 0,
5231
0
               wpa_supplicant_stop_countermeasures,
5232
0
               wpa_s, NULL);
5233
    /* TODO: mark the AP rejected for 60 second. STA is
5234
     * allowed to associate with another AP.. */
5235
0
  } else {
5236
#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
5237
    if (wpa_s->mic_errors_seen) {
5238
      /*
5239
       * Reduce the effectiveness of Michael MIC error
5240
       * reports as a means for attacking against TKIP if
5241
       * more than one MIC failure is noticed with the same
5242
       * PTK. We delay the transmission of the reports by a
5243
       * random time between 0 and 60 seconds in order to
5244
       * force the attacker wait 60 seconds before getting
5245
       * the information on whether a frame resulted in a MIC
5246
       * failure.
5247
       */
5248
      u8 rval[4];
5249
      int sec;
5250
5251
      if (os_get_random(rval, sizeof(rval)) < 0)
5252
        sec = os_random() % 60;
5253
      else
5254
        sec = WPA_GET_BE32(rval) % 60;
5255
      wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
5256
        "report %d seconds", sec);
5257
      wpa_s->pending_mic_error_report = 1;
5258
      wpa_s->pending_mic_error_pairwise = pairwise;
5259
      eloop_cancel_timeout(
5260
        wpa_supplicant_delayed_mic_error_report,
5261
        wpa_s, NULL);
5262
      eloop_register_timeout(
5263
        sec, os_random() % 1000000,
5264
        wpa_supplicant_delayed_mic_error_report,
5265
        wpa_s, NULL);
5266
    } else {
5267
      wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
5268
    }
5269
#else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
5270
0
    wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
5271
0
#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
5272
0
  }
5273
0
  wpa_s->last_michael_mic_error = t;
5274
0
  wpa_s->mic_errors_seen++;
5275
0
}
5276
5277
5278
#ifdef CONFIG_TERMINATE_ONLASTIF
5279
static int any_interfaces(struct wpa_supplicant *head)
5280
{
5281
  struct wpa_supplicant *wpa_s;
5282
5283
  for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
5284
    if (!wpa_s->interface_removed)
5285
      return 1;
5286
  return 0;
5287
}
5288
#endif /* CONFIG_TERMINATE_ONLASTIF */
5289
5290
5291
static void
5292
wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
5293
              union wpa_event_data *data)
5294
0
{
5295
0
  if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
5296
0
    return;
5297
5298
0
  switch (data->interface_status.ievent) {
5299
0
  case EVENT_INTERFACE_ADDED:
5300
0
    if (!wpa_s->interface_removed)
5301
0
      break;
5302
0
    wpa_s->interface_removed = 0;
5303
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
5304
0
    if (wpa_supplicant_driver_init(wpa_s) < 0) {
5305
0
      wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
5306
0
        "driver after interface was added");
5307
0
    }
5308
5309
#ifdef CONFIG_P2P
5310
    if (!wpa_s->global->p2p &&
5311
        !wpa_s->global->p2p_disabled &&
5312
        !wpa_s->conf->p2p_disabled &&
5313
        (wpa_s->drv_flags &
5314
         WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
5315
        wpas_p2p_add_p2pdev_interface(
5316
          wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) {
5317
      wpa_printf(MSG_INFO,
5318
           "P2P: Failed to enable P2P Device interface");
5319
      /* Try to continue without. P2P will be disabled. */
5320
    }
5321
#endif /* CONFIG_P2P */
5322
5323
0
    break;
5324
0
  case EVENT_INTERFACE_REMOVED:
5325
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
5326
0
    wpa_s->interface_removed = 1;
5327
0
    wpa_supplicant_mark_disassoc(wpa_s);
5328
0
    wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
5329
0
    l2_packet_deinit(wpa_s->l2);
5330
0
    wpa_s->l2 = NULL;
5331
5332
#ifdef CONFIG_P2P
5333
    if (wpa_s->global->p2p &&
5334
        wpa_s->global->p2p_init_wpa_s->parent == wpa_s &&
5335
        (wpa_s->drv_flags &
5336
         WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) {
5337
      wpa_dbg(wpa_s, MSG_DEBUG,
5338
        "Removing P2P Device interface");
5339
      wpa_supplicant_remove_iface(
5340
        wpa_s->global, wpa_s->global->p2p_init_wpa_s,
5341
        0);
5342
      wpa_s->global->p2p_init_wpa_s = NULL;
5343
    }
5344
#endif /* CONFIG_P2P */
5345
5346
#ifdef CONFIG_MATCH_IFACE
5347
    if (wpa_s->matched) {
5348
      wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
5349
      break;
5350
    }
5351
#endif /* CONFIG_MATCH_IFACE */
5352
5353
#ifdef CONFIG_TERMINATE_ONLASTIF
5354
    /* check if last interface */
5355
    if (!any_interfaces(wpa_s->global->ifaces))
5356
      eloop_terminate();
5357
#endif /* CONFIG_TERMINATE_ONLASTIF */
5358
0
    break;
5359
0
  }
5360
0
}
5361
5362
5363
#ifdef CONFIG_TDLS
5364
static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
5365
              union wpa_event_data *data)
5366
{
5367
  if (data == NULL)
5368
    return;
5369
  switch (data->tdls.oper) {
5370
  case TDLS_REQUEST_SETUP:
5371
    wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
5372
    if (wpa_tdls_is_external_setup(wpa_s->wpa))
5373
      wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
5374
    else
5375
      wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
5376
    break;
5377
  case TDLS_REQUEST_TEARDOWN:
5378
    if (wpa_tdls_is_external_setup(wpa_s->wpa))
5379
      wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
5380
                 data->tdls.reason_code);
5381
    else
5382
      wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN,
5383
            data->tdls.peer);
5384
    break;
5385
  case TDLS_REQUEST_DISCOVER:
5386
      wpa_tdls_send_discovery_request(wpa_s->wpa,
5387
              data->tdls.peer);
5388
    break;
5389
  }
5390
}
5391
#endif /* CONFIG_TDLS */
5392
5393
5394
#ifdef CONFIG_WNM
5395
static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
5396
             union wpa_event_data *data)
5397
0
{
5398
0
  if (data == NULL)
5399
0
    return;
5400
0
  switch (data->wnm.oper) {
5401
0
  case WNM_OPER_SLEEP:
5402
0
    wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
5403
0
         "(action=%d, intval=%d)",
5404
0
         data->wnm.sleep_action, data->wnm.sleep_intval);
5405
0
    ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
5406
0
               data->wnm.sleep_intval, NULL);
5407
0
    break;
5408
0
  }
5409
0
}
5410
#endif /* CONFIG_WNM */
5411
5412
5413
#ifdef CONFIG_IEEE80211R
5414
static void
5415
wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
5416
         union wpa_event_data *data)
5417
{
5418
  if (data == NULL)
5419
    return;
5420
5421
  if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
5422
            data->ft_ies.ies_len,
5423
            data->ft_ies.ft_action,
5424
            data->ft_ies.target_ap,
5425
            data->ft_ies.ric_ies,
5426
            data->ft_ies.ric_ies_len) < 0) {
5427
    /* TODO: prevent MLME/driver from trying to associate? */
5428
  }
5429
}
5430
#endif /* CONFIG_IEEE80211R */
5431
5432
5433
#ifdef CONFIG_IBSS_RSN
5434
static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
5435
            union wpa_event_data *data)
5436
{
5437
  struct wpa_ssid *ssid;
5438
  if (wpa_s->wpa_state < WPA_ASSOCIATED)
5439
    return;
5440
  if (data == NULL)
5441
    return;
5442
  ssid = wpa_s->current_ssid;
5443
  if (ssid == NULL)
5444
    return;
5445
  if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
5446
    return;
5447
5448
  ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
5449
}
5450
5451
5452
static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s,
5453
             union wpa_event_data *data)
5454
{
5455
  struct wpa_ssid *ssid = wpa_s->current_ssid;
5456
5457
  if (ssid == NULL)
5458
    return;
5459
5460
  /* check if the ssid is correctly configured as IBSS/RSN */
5461
  if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
5462
    return;
5463
5464
  ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame,
5465
           data->rx_mgmt.frame_len);
5466
}
5467
#endif /* CONFIG_IBSS_RSN */
5468
5469
5470
#ifdef CONFIG_IEEE80211R
5471
static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *da,
5472
       const u8 *sa, const u8 *data, size_t len)
5473
{
5474
  const u8 *sta_addr, *target_ap_addr;
5475
  u16 status;
5476
5477
  wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
5478
  if (is_multicast_ether_addr(da)) {
5479
    wpa_printf(MSG_DEBUG,
5480
         "FT: Ignore group-addressed FT Action frame (A1=" MACSTR " A2=" MACSTR ")",
5481
         MAC2STR(da), MAC2STR(sa));
5482
    return;
5483
  }
5484
  if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
5485
    return; /* only SME case supported for now */
5486
  if (len < 1 + 2 * ETH_ALEN + 2)
5487
    return;
5488
  if (data[0] != 2)
5489
    return; /* Only FT Action Response is supported for now */
5490
  sta_addr = data + 1;
5491
  target_ap_addr = data + 1 + ETH_ALEN;
5492
  status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
5493
  wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
5494
    MACSTR " TargetAP " MACSTR " status %u",
5495
    MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
5496
5497
  if (!ether_addr_equal(sta_addr, wpa_s->own_addr)) {
5498
    wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
5499
      " in FT Action Response", MAC2STR(sta_addr));
5500
    return;
5501
  }
5502
5503
  if (status) {
5504
    wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
5505
      "failure (status code %d)", status);
5506
    /* TODO: report error to FT code(?) */
5507
    return;
5508
  }
5509
5510
  if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
5511
            len - (1 + 2 * ETH_ALEN + 2), 1,
5512
            target_ap_addr, NULL, 0) < 0)
5513
    return;
5514
5515
#ifdef CONFIG_SME
5516
  {
5517
    struct wpa_bss *bss;
5518
    bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
5519
    if (bss)
5520
      wpa_s->sme.freq = bss->freq;
5521
    wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
5522
    sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
5523
            WLAN_AUTH_FT);
5524
  }
5525
#endif /* CONFIG_SME */
5526
}
5527
#endif /* CONFIG_IEEE80211R */
5528
5529
5530
static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
5531
                 struct unprot_deauth *e)
5532
0
{
5533
0
  wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
5534
0
       "dropped: " MACSTR " -> " MACSTR
5535
0
       " (reason code %u)",
5536
0
       MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
5537
0
  sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
5538
0
}
5539
5540
5541
static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
5542
             struct unprot_disassoc *e)
5543
0
{
5544
0
  wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
5545
0
       "dropped: " MACSTR " -> " MACSTR
5546
0
       " (reason code %u)",
5547
0
       MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
5548
0
  sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
5549
0
}
5550
5551
5552
static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
5553
          u16 reason_code, int locally_generated,
5554
          const u8 *ie, size_t ie_len, int deauth)
5555
0
{
5556
#ifdef CONFIG_AP
5557
  if (wpa_s->ap_iface && addr) {
5558
    hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr);
5559
    return;
5560
  }
5561
5562
  if (wpa_s->ap_iface) {
5563
    wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode");
5564
    return;
5565
  }
5566
#endif /* CONFIG_AP */
5567
5568
0
  if (!locally_generated)
5569
0
    wpa_s->own_disconnect_req = 0;
5570
5571
0
  wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated);
5572
5573
0
  if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
5574
0
        ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
5575
0
    (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
5576
0
         eapol_sm_failed(wpa_s->eapol))) &&
5577
0
       !wpa_s->eap_expected_failure))
5578
0
    wpas_auth_failed(wpa_s, "AUTH_FAILED", addr);
5579
5580
#ifdef CONFIG_P2P
5581
  if (deauth && reason_code > 0) {
5582
    if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len,
5583
            locally_generated) > 0) {
5584
      /*
5585
       * The interface was removed, so cannot continue
5586
       * processing any additional operations after this.
5587
       */
5588
      return;
5589
    }
5590
  }
5591
#endif /* CONFIG_P2P */
5592
5593
0
  wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
5594
0
               locally_generated);
5595
0
}
5596
5597
5598
static void wpas_event_disassoc(struct wpa_supplicant *wpa_s,
5599
        struct disassoc_info *info)
5600
0
{
5601
0
  u16 reason_code = 0;
5602
0
  int locally_generated = 0;
5603
0
  const u8 *addr = NULL;
5604
0
  const u8 *ie = NULL;
5605
0
  size_t ie_len = 0;
5606
5607
0
  wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
5608
5609
0
  if (info) {
5610
0
    addr = info->addr;
5611
0
    ie = info->ie;
5612
0
    ie_len = info->ie_len;
5613
0
    reason_code = info->reason_code;
5614
0
    locally_generated = info->locally_generated;
5615
0
    wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u (%s)%s", reason_code,
5616
0
      reason2str(reason_code),
5617
0
      locally_generated ? " locally_generated=1" : "");
5618
0
    if (addr)
5619
0
      wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
5620
0
        MAC2STR(addr));
5621
0
    wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
5622
0
          ie, ie_len);
5623
0
  }
5624
5625
#ifdef CONFIG_AP
5626
  if (wpa_s->ap_iface && info && info->addr) {
5627
    hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr);
5628
    return;
5629
  }
5630
5631
  if (wpa_s->ap_iface) {
5632
    wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode");
5633
    return;
5634
  }
5635
#endif /* CONFIG_AP */
5636
5637
#ifdef CONFIG_P2P
5638
  if (info) {
5639
    wpas_p2p_disassoc_notif(
5640
      wpa_s, info->addr, reason_code, info->ie, info->ie_len,
5641
      locally_generated);
5642
  }
5643
#endif /* CONFIG_P2P */
5644
5645
0
  if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
5646
0
    sme_event_disassoc(wpa_s, info);
5647
5648
0
  wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated,
5649
0
            ie, ie_len, 0);
5650
0
}
5651
5652
5653
static void wpas_event_deauth(struct wpa_supplicant *wpa_s,
5654
            struct deauth_info *info)
5655
0
{
5656
0
  u16 reason_code = 0;
5657
0
  int locally_generated = 0;
5658
0
  const u8 *addr = NULL;
5659
0
  const u8 *ie = NULL;
5660
0
  size_t ie_len = 0;
5661
5662
0
  wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification");
5663
5664
0
  if (info) {
5665
0
    addr = info->addr;
5666
0
    ie = info->ie;
5667
0
    ie_len = info->ie_len;
5668
0
    reason_code = info->reason_code;
5669
0
    locally_generated = info->locally_generated;
5670
0
    wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u (%s)%s",
5671
0
      reason_code, reason2str(reason_code),
5672
0
      locally_generated ? " locally_generated=1" : "");
5673
0
    if (addr) {
5674
0
      wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
5675
0
        MAC2STR(addr));
5676
0
    }
5677
0
    wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)",
5678
0
          ie, ie_len);
5679
0
  }
5680
5681
0
  wpa_reset_ft_completed(wpa_s->wpa);
5682
5683
0
  wpas_event_disconnect(wpa_s, addr, reason_code,
5684
0
            locally_generated, ie, ie_len, 1);
5685
0
}
5686
5687
5688
static const char * reg_init_str(enum reg_change_initiator init)
5689
0
{
5690
0
  switch (init) {
5691
0
  case REGDOM_SET_BY_CORE:
5692
0
    return "CORE";
5693
0
  case REGDOM_SET_BY_USER:
5694
0
    return "USER";
5695
0
  case REGDOM_SET_BY_DRIVER:
5696
0
    return "DRIVER";
5697
0
  case REGDOM_SET_BY_COUNTRY_IE:
5698
0
    return "COUNTRY_IE";
5699
0
  case REGDOM_BEACON_HINT:
5700
0
    return "BEACON_HINT";
5701
0
  }
5702
0
  return "?";
5703
0
}
5704
5705
5706
static const char * reg_type_str(enum reg_type type)
5707
0
{
5708
0
  switch (type) {
5709
0
  case REGDOM_TYPE_UNKNOWN:
5710
0
    return "UNKNOWN";
5711
0
  case REGDOM_TYPE_COUNTRY:
5712
0
    return "COUNTRY";
5713
0
  case REGDOM_TYPE_WORLD:
5714
0
    return "WORLD";
5715
0
  case REGDOM_TYPE_CUSTOM_WORLD:
5716
0
    return "CUSTOM_WORLD";
5717
0
  case REGDOM_TYPE_INTERSECTION:
5718
0
    return "INTERSECTION";
5719
0
  }
5720
0
  return "?";
5721
0
}
5722
5723
5724
static void wpas_beacon_hint(struct wpa_supplicant *wpa_s, const char *title,
5725
           struct frequency_attrs *attrs)
5726
0
{
5727
0
  if (!attrs->freq)
5728
0
    return;
5729
0
  wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_REGDOM_BEACON_HINT
5730
0
    "%s freq=%u max_tx_power=%u%s%s%s",
5731
0
    title, attrs->freq, attrs->max_tx_power,
5732
0
    attrs->disabled ? " disabled=1" : "",
5733
0
    attrs->no_ir ? " no_ir=1" : "",
5734
0
    attrs->radar ? " radar=1" : "");
5735
0
}
5736
5737
5738
void wpa_supplicant_update_channel_list(struct wpa_supplicant *wpa_s,
5739
          struct channel_list_changed *info)
5740
0
{
5741
0
  struct wpa_supplicant *ifs;
5742
0
  u8 dfs_domain;
5743
5744
  /*
5745
   * To allow backwards compatibility with higher level layers that
5746
   * assumed the REGDOM_CHANGE event is sent over the initially added
5747
   * interface. Find the highest parent of this interface and use it to
5748
   * send the event.
5749
   */
5750
0
  for (ifs = wpa_s; ifs->parent && ifs != ifs->parent; ifs = ifs->parent)
5751
0
    ;
5752
5753
0
  if (info) {
5754
0
    wpa_msg(ifs, MSG_INFO,
5755
0
      WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s",
5756
0
      reg_init_str(info->initiator), reg_type_str(info->type),
5757
0
      info->alpha2[0] ? " alpha2=" : "",
5758
0
      info->alpha2[0] ? info->alpha2 : "");
5759
5760
0
    if (info->initiator == REGDOM_BEACON_HINT) {
5761
0
      wpas_beacon_hint(ifs, "before",
5762
0
           &info->beacon_hint_before);
5763
0
      wpas_beacon_hint(ifs, "after",
5764
0
           &info->beacon_hint_after);
5765
0
    }
5766
0
  }
5767
5768
0
  if (wpa_s->drv_priv == NULL)
5769
0
    return; /* Ignore event during drv initialization */
5770
5771
0
  dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
5772
0
       radio_list) {
5773
0
    bool was_6ghz_enabled;
5774
5775
0
    wpa_printf(MSG_DEBUG, "%s: Updating hw mode",
5776
0
         ifs->ifname);
5777
0
    if (info && info->alpha2[0] &&
5778
0
        info->type == REGDOM_TYPE_COUNTRY) {
5779
0
      ifs->device_country[0] = info->alpha2[0];
5780
0
      ifs->device_country[1] = info->alpha2[1];
5781
0
      ifs->device_country[2] = '\0';
5782
0
      ifs->device_country_set = true;
5783
0
    }
5784
0
    free_hw_features(ifs);
5785
0
    ifs->hw.modes = wpa_drv_get_hw_feature_data(
5786
0
      ifs, &ifs->hw.num_modes, &ifs->hw.flags, &dfs_domain);
5787
5788
0
    was_6ghz_enabled = ifs->is_6ghz_enabled;
5789
0
    ifs->is_6ghz_enabled = wpas_is_6ghz_supported(ifs, true);
5790
5791
    /* Restart PNO/sched_scan with updated channel list */
5792
0
    if (ifs->pno) {
5793
0
      wpas_stop_pno(ifs);
5794
0
      wpas_start_pno(ifs);
5795
0
    } else if (ifs->sched_scanning && !ifs->pno_sched_pending) {
5796
0
      wpa_dbg(ifs, MSG_DEBUG,
5797
0
        "Channel list changed - restart sched_scan");
5798
0
      wpas_scan_restart_sched_scan(ifs);
5799
0
    } else if (!was_6ghz_enabled && ifs->is_6ghz_enabled) {
5800
0
      wpa_dbg(ifs, MSG_INFO,
5801
0
        "Channel list changed: 6 GHz was enabled");
5802
5803
0
      ifs->crossed_6ghz_dom = true;
5804
0
    }
5805
0
  }
5806
5807
0
  wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER);
5808
0
}
5809
5810
5811
static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s,
5812
              const u8 *frame, size_t len, int freq,
5813
              int rssi)
5814
0
{
5815
0
  const struct ieee80211_mgmt *mgmt;
5816
0
  const u8 *payload;
5817
0
  size_t plen;
5818
0
  u8 category;
5819
5820
0
  if (len < IEEE80211_HDRLEN + 2)
5821
0
    return;
5822
5823
0
  mgmt = (const struct ieee80211_mgmt *) frame;
5824
0
  payload = frame + IEEE80211_HDRLEN;
5825
0
  category = *payload++;
5826
0
  plen = len - IEEE80211_HDRLEN - 1;
5827
5828
0
  wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
5829
0
    " Category=%u DataLen=%d freq=%d MHz",
5830
0
    MAC2STR(mgmt->sa), category, (int) plen, freq);
5831
5832
0
#ifndef CONFIG_NO_WMM_AC
5833
0
  if (category == WLAN_ACTION_WMM) {
5834
0
    wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen);
5835
0
    return;
5836
0
  }
5837
0
#endif /* CONFIG_NO_WMM_AC */
5838
5839
#ifdef CONFIG_IEEE80211R
5840
  if (category == WLAN_ACTION_FT) {
5841
    ft_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen);
5842
    return;
5843
  }
5844
#endif /* CONFIG_IEEE80211R */
5845
5846
#ifdef CONFIG_SME
5847
  if (category == WLAN_ACTION_SA_QUERY) {
5848
    sme_sa_query_rx(wpa_s, mgmt->da, mgmt->sa, payload, plen);
5849
    return;
5850
  }
5851
#endif /* CONFIG_SME */
5852
5853
0
#ifdef CONFIG_WNM
5854
0
  if (mgmt->u.action.category == WLAN_ACTION_WNM) {
5855
0
    ieee802_11_rx_wnm_action(wpa_s, mgmt, len);
5856
0
    return;
5857
0
  }
5858
0
#endif /* CONFIG_WNM */
5859
5860
0
#ifdef CONFIG_GAS
5861
0
  if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
5862
0
       mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
5863
0
      gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid,
5864
0
       mgmt->u.action.category,
5865
0
       payload, plen, freq) == 0)
5866
0
    return;
5867
0
#endif /* CONFIG_GAS */
5868
5869
#ifdef CONFIG_GAS_SERVER
5870
  if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
5871
       mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
5872
      gas_server_rx(wpa_s->gas_server, mgmt->da, mgmt->sa, mgmt->bssid,
5873
        mgmt->u.action.category,
5874
        payload, plen, freq) == 0)
5875
    return;
5876
#endif /* CONFIG_GAS_SERVER */
5877
5878
#ifdef CONFIG_TDLS
5879
  if (category == WLAN_ACTION_PUBLIC && plen >= 4 &&
5880
      payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
5881
    wpa_dbg(wpa_s, MSG_DEBUG,
5882
      "TDLS: Received Discovery Response from " MACSTR,
5883
      MAC2STR(mgmt->sa));
5884
    if (wpa_s->valid_links &&
5885
        wpa_tdls_process_discovery_response(wpa_s->wpa, mgmt->sa,
5886
              &payload[1], plen - 1))
5887
      wpa_dbg(wpa_s, MSG_ERROR,
5888
        "TDLS: Discovery Response process failed for "
5889
        MACSTR, MAC2STR(mgmt->sa));
5890
    return;
5891
  }
5892
#endif /* CONFIG_TDLS */
5893
5894
0
#ifdef CONFIG_INTERWORKING
5895
0
  if (category == WLAN_ACTION_QOS && plen >= 1 &&
5896
0
      payload[0] == QOS_QOS_MAP_CONFIG) {
5897
0
    const u8 *pos = payload + 1;
5898
0
    size_t qlen = plen - 1;
5899
5900
0
    if (is_multicast_ether_addr(mgmt->da)) {
5901
0
      wpa_printf(MSG_DEBUG,
5902
0
           "Interworking: Ignore group-addressed Qos Map Configure frame (A1="
5903
0
           MACSTR " A2=" MACSTR ")",
5904
0
           MAC2STR(mgmt->da), MAC2STR(mgmt->sa));
5905
0
      return;
5906
0
    }
5907
5908
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from "
5909
0
      MACSTR, MAC2STR(mgmt->sa));
5910
0
    if (ether_addr_equal(mgmt->sa, wpa_s->bssid) &&
5911
0
        qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET &&
5912
0
        pos[1] <= qlen - 2 && pos[1] >= 16)
5913
0
      wpas_qos_map_set(wpa_s, pos + 2, pos[1]);
5914
0
    return;
5915
0
  }
5916
0
#endif /* CONFIG_INTERWORKING */
5917
5918
0
#ifndef CONFIG_NO_RRM
5919
0
  if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
5920
0
      payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) {
5921
0
    wpas_rrm_handle_radio_measurement_request(wpa_s, mgmt->sa,
5922
0
                mgmt->da,
5923
0
                payload + 1,
5924
0
                plen - 1);
5925
0
    return;
5926
0
  }
5927
5928
0
  if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
5929
0
      payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) {
5930
0
    wpas_rrm_process_neighbor_rep(wpa_s, mgmt->da, mgmt->sa,
5931
0
                payload + 1, plen - 1);
5932
0
    return;
5933
0
  }
5934
5935
0
  if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
5936
0
      payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) {
5937
0
    wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa,
5938
0
               payload + 1, plen - 1,
5939
0
               rssi);
5940
0
    return;
5941
0
  }
5942
0
#endif /* CONFIG_NO_RRM */
5943
5944
#ifdef CONFIG_FST
5945
  if (mgmt->u.action.category == WLAN_ACTION_FST && wpa_s->fst) {
5946
    fst_rx_action(wpa_s->fst, mgmt, len);
5947
    return;
5948
  }
5949
#endif /* CONFIG_FST */
5950
5951
0
  if (category == WLAN_ACTION_PUBLIC && plen >= 5 &&
5952
0
      payload[0] == WLAN_PA_VENDOR_SPECIFIC &&
5953
0
      WPA_GET_BE32(&payload[1]) == NAN_SDF_VENDOR_TYPE) {
5954
0
    payload += 5;
5955
0
    plen -= 5;
5956
0
    wpas_nan_de_rx_sdf(wpa_s, mgmt->sa, mgmt->bssid, freq,
5957
0
           payload, plen, rssi);
5958
0
    return;
5959
0
  }
5960
5961
#ifdef CONFIG_DPP
5962
  if (category == WLAN_ACTION_PUBLIC && plen >= 5 &&
5963
      payload[0] == WLAN_PA_VENDOR_SPECIFIC &&
5964
      WPA_GET_BE24(&payload[1]) == OUI_WFA &&
5965
      payload[4] == DPP_OUI_TYPE) {
5966
    payload++;
5967
    plen--;
5968
    wpas_dpp_rx_action(wpa_s, mgmt->sa, payload, plen, freq);
5969
    return;
5970
  }
5971
#endif /* CONFIG_DPP */
5972
5973
0
#ifndef CONFIG_NO_ROBUST_AV
5974
0
  if (category == WLAN_ACTION_ROBUST_AV_STREAMING &&
5975
0
      payload[0] == ROBUST_AV_SCS_RESP) {
5976
0
    wpas_handle_robust_av_scs_recv_action(wpa_s, mgmt->da, mgmt->sa,
5977
0
                  payload + 1, plen - 1);
5978
0
    return;
5979
0
  }
5980
5981
0
  if (category == WLAN_ACTION_ROBUST_AV_STREAMING &&
5982
0
      payload[0] == ROBUST_AV_MSCS_RESP) {
5983
0
    wpas_handle_robust_av_recv_action(wpa_s, mgmt->da, mgmt->sa,
5984
0
              payload + 1, plen - 1);
5985
0
    return;
5986
0
  }
5987
5988
0
  if (category == WLAN_ACTION_VENDOR_SPECIFIC_PROTECTED && plen > 4 &&
5989
0
      WPA_GET_BE32(payload) == QM_ACTION_VENDOR_TYPE) {
5990
0
    wpas_handle_qos_mgmt_recv_action(wpa_s, mgmt->da, mgmt->sa,
5991
0
             payload + 4, plen - 4);
5992
0
    return;
5993
0
  }
5994
0
#endif /* CONFIG_NO_ROBUST_AV */
5995
5996
0
  wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
5997
0
         category, payload, plen, freq);
5998
0
  if (wpa_s->ifmsh)
5999
0
    mesh_mpm_action_rx(wpa_s, mgmt, len);
6000
0
}
6001
6002
6003
static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s,
6004
               union wpa_event_data *event)
6005
0
{
6006
0
  struct wpa_freq_range_list *list;
6007
0
  char *str = NULL;
6008
6009
0
  list = &event->freq_range;
6010
6011
0
  if (list->num)
6012
0
    str = freq_range_list_str(list);
6013
0
  wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s",
6014
0
    str ? str : "");
6015
6016
#ifdef CONFIG_P2P
6017
  if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) {
6018
    wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range",
6019
      __func__);
6020
  } else {
6021
    wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event");
6022
6023
    /*
6024
     * The update channel flow will also take care of moving a GO
6025
     * from the unsafe frequency if needed.
6026
     */
6027
    wpas_p2p_update_channel_list(wpa_s,
6028
               WPAS_P2P_CHANNEL_UPDATE_AVOID);
6029
  }
6030
#endif /* CONFIG_P2P */
6031
6032
0
  os_free(str);
6033
0
}
6034
6035
6036
static void wpa_supplicant_event_port_authorized(struct wpa_supplicant *wpa_s)
6037
0
{
6038
0
  if (wpa_s->wpa_state == WPA_ASSOCIATED) {
6039
0
    wpa_supplicant_cancel_auth_timeout(wpa_s);
6040
0
    wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
6041
0
    eapol_sm_notify_portValid(wpa_s->eapol, true);
6042
0
    eapol_sm_notify_eap_success(wpa_s->eapol, true);
6043
0
    wpa_s->drv_authorized_port = 1;
6044
0
  }
6045
0
}
6046
6047
6048
static unsigned int wpas_event_cac_ms(const struct wpa_supplicant *wpa_s,
6049
              int freq)
6050
0
{
6051
0
  size_t i;
6052
0
  int j;
6053
6054
0
  for (i = 0; i < wpa_s->hw.num_modes; i++) {
6055
0
    const struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i];
6056
6057
0
    for (j = 0; j < mode->num_channels; j++) {
6058
0
      const struct hostapd_channel_data *chan;
6059
6060
0
      chan = &mode->channels[j];
6061
0
      if (chan->freq == freq)
6062
0
        return chan->dfs_cac_ms;
6063
0
    }
6064
0
  }
6065
6066
0
  return 0;
6067
0
}
6068
6069
6070
static void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
6071
               struct dfs_event *radar)
6072
0
{
6073
#if defined(NEED_AP_MLME) && defined(CONFIG_AP)
6074
  if (wpa_s->ap_iface || wpa_s->ifmsh) {
6075
    wpas_ap_event_dfs_cac_started(wpa_s, radar);
6076
  } else
6077
#endif /* NEED_AP_MLME && CONFIG_AP */
6078
0
  {
6079
0
    unsigned int cac_time = wpas_event_cac_ms(wpa_s, radar->freq);
6080
6081
0
    cac_time /= 1000; /* convert from ms to sec */
6082
0
    if (!cac_time)
6083
0
      cac_time = 10 * 60; /* max timeout: 10 minutes */
6084
6085
    /* Restart auth timeout: CAC time added to initial timeout */
6086
0
    wpas_auth_timeout_restart(wpa_s, cac_time);
6087
0
  }
6088
0
}
6089
6090
6091
static void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
6092
          struct dfs_event *radar)
6093
0
{
6094
#if defined(NEED_AP_MLME) && defined(CONFIG_AP)
6095
  if (wpa_s->ap_iface || wpa_s->ifmsh) {
6096
    wpas_ap_event_dfs_cac_finished(wpa_s, radar);
6097
  } else
6098
#endif /* NEED_AP_MLME && CONFIG_AP */
6099
0
  {
6100
    /* Restart auth timeout with original value after CAC is
6101
     * finished */
6102
0
    wpas_auth_timeout_restart(wpa_s, 0);
6103
0
  }
6104
0
}
6105
6106
6107
static void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
6108
               struct dfs_event *radar)
6109
0
{
6110
#if defined(NEED_AP_MLME) && defined(CONFIG_AP)
6111
  if (wpa_s->ap_iface || wpa_s->ifmsh) {
6112
    wpas_ap_event_dfs_cac_aborted(wpa_s, radar);
6113
  } else
6114
#endif /* NEED_AP_MLME && CONFIG_AP */
6115
0
  {
6116
    /* Restart auth timeout with original value after CAC is
6117
     * aborted */
6118
0
    wpas_auth_timeout_restart(wpa_s, 0);
6119
0
  }
6120
0
}
6121
6122
6123
static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s,
6124
              union wpa_event_data *data)
6125
0
{
6126
0
  wpa_dbg(wpa_s, MSG_DEBUG,
6127
0
    "Connection authorized by device, previous state %d",
6128
0
    wpa_s->wpa_state);
6129
6130
0
  wpa_supplicant_event_port_authorized(wpa_s);
6131
6132
0
  wpa_s->last_eapol_matches_bssid = 1;
6133
6134
0
  wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr);
6135
0
  wpa_sm_set_ptk_kck_kek(wpa_s->wpa, RSN_HASH_NOT_SPECIFIED,
6136
0
             data->assoc_info.ptk_kck,
6137
0
             data->assoc_info.ptk_kck_len,
6138
0
             data->assoc_info.ptk_kek,
6139
0
             data->assoc_info.ptk_kek_len);
6140
#ifdef CONFIG_FILS
6141
  if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) {
6142
    struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
6143
    const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);
6144
6145
    /* Update ERP next sequence number */
6146
    eapol_sm_update_erp_next_seq_num(
6147
      wpa_s->eapol, data->assoc_info.fils_erp_next_seq_num);
6148
6149
    if (data->assoc_info.fils_pmk && data->assoc_info.fils_pmkid) {
6150
      /* Add the new PMK and PMKID to the PMKSA cache */
6151
      wpa_sm_pmksa_cache_add(wpa_s->wpa,
6152
                 data->assoc_info.fils_pmk,
6153
                 data->assoc_info.fils_pmk_len,
6154
                 data->assoc_info.fils_pmkid,
6155
                 wpa_s->valid_links ?
6156
                 wpa_s->ap_mld_addr :
6157
                 wpa_s->bssid,
6158
                 fils_cache_id);
6159
    } else if (data->assoc_info.fils_pmkid) {
6160
      /* Update the current PMKSA used for this connection */
6161
      pmksa_cache_set_current(wpa_s->wpa,
6162
            data->assoc_info.fils_pmkid,
6163
            NULL, NULL, 0, NULL, 0, true);
6164
    }
6165
  }
6166
#endif /* CONFIG_FILS */
6167
0
}
6168
6169
6170
static const char * connect_fail_reason(enum sta_connect_fail_reason_codes code)
6171
0
{
6172
0
  switch (code) {
6173
0
  case STA_CONNECT_FAIL_REASON_UNSPECIFIED:
6174
0
    return "";
6175
0
  case STA_CONNECT_FAIL_REASON_NO_BSS_FOUND:
6176
0
    return "no_bss_found";
6177
0
  case STA_CONNECT_FAIL_REASON_AUTH_TX_FAIL:
6178
0
    return "auth_tx_fail";
6179
0
  case STA_CONNECT_FAIL_REASON_AUTH_NO_ACK_RECEIVED:
6180
0
    return "auth_no_ack_received";
6181
0
  case STA_CONNECT_FAIL_REASON_AUTH_NO_RESP_RECEIVED:
6182
0
    return "auth_no_resp_received";
6183
0
  case STA_CONNECT_FAIL_REASON_ASSOC_REQ_TX_FAIL:
6184
0
    return "assoc_req_tx_fail";
6185
0
  case STA_CONNECT_FAIL_REASON_ASSOC_NO_ACK_RECEIVED:
6186
0
    return "assoc_no_ack_received";
6187
0
  case STA_CONNECT_FAIL_REASON_ASSOC_NO_RESP_RECEIVED:
6188
0
    return "assoc_no_resp_received";
6189
0
  default:
6190
0
    return "unknown_reason";
6191
0
  }
6192
0
}
6193
6194
6195
static void wpas_event_assoc_reject(struct wpa_supplicant *wpa_s,
6196
            union wpa_event_data *data)
6197
0
{
6198
0
  const u8 *bssid = data->assoc_reject.bssid;
6199
0
  struct ieee802_11_elems elems;
6200
0
  struct ml_sta_link_info ml_info[MAX_NUM_MLD_LINKS];
6201
0
  const u8 *link_bssids[MAX_NUM_MLD_LINKS + 1];
6202
#ifdef CONFIG_MBO
6203
  struct wpa_bss *reject_bss;
6204
#endif /* CONFIG_MBO */
6205
6206
0
  if (!bssid || is_zero_ether_addr(bssid))
6207
0
    bssid = wpa_s->pending_bssid;
6208
#ifdef CONFIG_MBO
6209
  if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
6210
    reject_bss = wpa_s->current_bss;
6211
  else
6212
    reject_bss = wpa_bss_get_bssid(wpa_s, bssid);
6213
#endif /* CONFIG_MBO */
6214
6215
0
  if (data->assoc_reject.bssid)
6216
0
    wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
6217
0
      "bssid=" MACSTR " status_code=%u%s%s%s%s%s",
6218
0
      MAC2STR(data->assoc_reject.bssid),
6219
0
      data->assoc_reject.status_code,
6220
0
      data->assoc_reject.timed_out ? " timeout" : "",
6221
0
      data->assoc_reject.timeout_reason ? "=" : "",
6222
0
      data->assoc_reject.timeout_reason ?
6223
0
      data->assoc_reject.timeout_reason : "",
6224
0
      data->assoc_reject.reason_code !=
6225
0
      STA_CONNECT_FAIL_REASON_UNSPECIFIED ?
6226
0
      " qca_driver_reason=" : "",
6227
0
      connect_fail_reason(data->assoc_reject.reason_code));
6228
0
  else
6229
0
    wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
6230
0
      "status_code=%u%s%s%s%s%s",
6231
0
      data->assoc_reject.status_code,
6232
0
      data->assoc_reject.timed_out ? " timeout" : "",
6233
0
      data->assoc_reject.timeout_reason ? "=" : "",
6234
0
      data->assoc_reject.timeout_reason ?
6235
0
      data->assoc_reject.timeout_reason : "",
6236
0
      data->assoc_reject.reason_code !=
6237
0
      STA_CONNECT_FAIL_REASON_UNSPECIFIED ?
6238
0
      " qca_driver_reason=" : "",
6239
0
      connect_fail_reason(data->assoc_reject.reason_code));
6240
0
  wpa_s->assoc_status_code = data->assoc_reject.status_code;
6241
0
  wpas_notify_assoc_status_code(wpa_s);
6242
6243
#ifdef CONFIG_OWE
6244
  if (data->assoc_reject.status_code ==
6245
      WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED &&
6246
      wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
6247
      wpa_s->current_ssid &&
6248
      wpa_s->current_ssid->owe_group == 0 &&
6249
      wpa_s->last_owe_group != 21) {
6250
    struct wpa_ssid *ssid = wpa_s->current_ssid;
6251
    struct wpa_bss *bss = wpa_s->current_bss;
6252
6253
    if (!bss) {
6254
      bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
6255
      if (!bss) {
6256
        wpas_connection_failed(wpa_s, bssid, NULL);
6257
        wpa_supplicant_mark_disassoc(wpa_s);
6258
        return;
6259
      }
6260
    }
6261
    wpa_printf(MSG_DEBUG, "OWE: Try next supported DH group");
6262
    wpas_connect_work_done(wpa_s);
6263
    wpa_supplicant_mark_disassoc(wpa_s);
6264
    wpa_supplicant_connect(wpa_s, bss, ssid);
6265
    return;
6266
  }
6267
#endif /* CONFIG_OWE */
6268
6269
#ifdef CONFIG_DPP2
6270
  /* Try to follow AP's PFS policy. WLAN_STATUS_ASSOC_DENIED_UNSPEC is
6271
   * the status code defined in the DPP R2 tech spec.
6272
   * WLAN_STATUS_AKMP_NOT_VALID is addressed in the same manner as an
6273
   * interoperability workaround with older hostapd implementation. */
6274
  if (DPP_VERSION > 1 && wpa_s->current_ssid &&
6275
      (wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_DPP ||
6276
       ((wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_DPP) &&
6277
        wpa_s->key_mgmt == WPA_KEY_MGMT_DPP)) &&
6278
      wpa_s->current_ssid->dpp_pfs == 0 &&
6279
      (data->assoc_reject.status_code ==
6280
       WLAN_STATUS_ASSOC_DENIED_UNSPEC ||
6281
       data->assoc_reject.status_code == WLAN_STATUS_AKMP_NOT_VALID)) {
6282
    struct wpa_ssid *ssid = wpa_s->current_ssid;
6283
    struct wpa_bss *bss = wpa_s->current_bss;
6284
6285
    wpa_s->current_ssid->dpp_pfs_fallback ^= 1;
6286
    if (!bss)
6287
      bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
6288
    if (!bss || wpa_s->dpp_pfs_fallback) {
6289
      wpa_printf(MSG_DEBUG,
6290
           "DPP: Updated PFS policy for next try");
6291
      wpas_connection_failed(wpa_s, bssid, NULL);
6292
      wpa_supplicant_mark_disassoc(wpa_s);
6293
      return;
6294
    }
6295
    wpa_printf(MSG_DEBUG, "DPP: Try again with updated PFS policy");
6296
    wpa_s->dpp_pfs_fallback = 1;
6297
    wpas_connect_work_done(wpa_s);
6298
    wpa_supplicant_mark_disassoc(wpa_s);
6299
    wpa_supplicant_connect(wpa_s, bss, ssid);
6300
    return;
6301
  }
6302
#endif /* CONFIG_DPP2 */
6303
6304
#ifdef CONFIG_MBO
6305
  if (data->assoc_reject.status_code ==
6306
      WLAN_STATUS_DENIED_POOR_CHANNEL_CONDITIONS &&
6307
      reject_bss && data->assoc_reject.resp_ies) {
6308
    const u8 *rssi_rej;
6309
6310
    rssi_rej = mbo_get_attr_from_ies(
6311
      data->assoc_reject.resp_ies,
6312
      data->assoc_reject.resp_ies_len,
6313
      OCE_ATTR_ID_RSSI_BASED_ASSOC_REJECT);
6314
    if (rssi_rej && rssi_rej[1] == 2) {
6315
      wpa_printf(MSG_DEBUG,
6316
           "OCE: RSSI-based association rejection from "
6317
           MACSTR " (Delta RSSI: %u, Retry Delay: %u)",
6318
           MAC2STR(reject_bss->bssid),
6319
           rssi_rej[2], rssi_rej[3]);
6320
      wpa_bss_tmp_disallow(wpa_s,
6321
               reject_bss->bssid,
6322
               rssi_rej[3],
6323
               rssi_rej[2] + reject_bss->level);
6324
    }
6325
  }
6326
#endif /* CONFIG_MBO */
6327
6328
  /* Check for other failed links in the response */
6329
0
  os_memset(link_bssids, 0, sizeof(link_bssids));
6330
0
  if (ieee802_11_parse_elems(data->assoc_reject.resp_ies,
6331
0
           data->assoc_reject.resp_ies_len,
6332
0
           &elems, 1) != ParseFailed) {
6333
0
    unsigned int n_links, i, idx;
6334
6335
0
    idx = 0;
6336
0
    n_links = wpas_ml_parse_assoc(wpa_s, &elems, ml_info);
6337
6338
0
    for (i = 1; i < n_links; i++) {
6339
      /* The status cannot be success here.
6340
       * Add the link to the failed list if it is reporting
6341
       * an error. The only valid "non-error" status is
6342
       * TX_LINK_NOT_ACCEPTED as that means this link may
6343
       * still accept an association from us.
6344
       */
6345
0
      if (ml_info[i].status !=
6346
0
          WLAN_STATUS_DENIED_TX_LINK_NOT_ACCEPTED) {
6347
0
        link_bssids[idx] = ml_info[i].bssid;
6348
0
        idx++;
6349
0
      }
6350
0
    }
6351
0
  }
6352
6353
0
  if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
6354
0
    sme_event_assoc_reject(wpa_s, data, link_bssids);
6355
0
    return;
6356
0
  }
6357
6358
  /* Driver-based SME cases */
6359
6360
#ifdef CONFIG_SAE
6361
  if (wpa_s->current_ssid &&
6362
      wpa_key_mgmt_sae(wpa_s->current_ssid->key_mgmt) &&
6363
      !data->assoc_reject.timed_out) {
6364
    wpa_dbg(wpa_s, MSG_DEBUG, "SAE: Drop PMKSA cache entry");
6365
    wpa_sm_aborted_cached(wpa_s->wpa);
6366
    wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid);
6367
  }
6368
#endif /* CONFIG_SAE */
6369
6370
#ifdef CONFIG_DPP
6371
  if (wpa_s->current_ssid &&
6372
      wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_DPP &&
6373
      !data->assoc_reject.timed_out) {
6374
    wpa_dbg(wpa_s, MSG_DEBUG, "DPP: Drop PMKSA cache entry");
6375
    wpa_sm_aborted_cached(wpa_s->wpa);
6376
    wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid);
6377
  }
6378
#endif /* CONFIG_DPP */
6379
6380
#ifdef CONFIG_FILS
6381
  /* Update ERP next sequence number */
6382
  if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) {
6383
    fils_pmksa_cache_flush(wpa_s);
6384
    eapol_sm_update_erp_next_seq_num(
6385
      wpa_s->eapol,
6386
      data->assoc_reject.fils_erp_next_seq_num);
6387
    fils_connection_failure(wpa_s);
6388
  }
6389
#endif /* CONFIG_FILS */
6390
6391
0
  wpas_connection_failed(wpa_s, bssid, link_bssids);
6392
0
  wpa_supplicant_mark_disassoc(wpa_s);
6393
0
}
6394
6395
6396
static void wpas_event_unprot_beacon(struct wpa_supplicant *wpa_s,
6397
             struct unprot_beacon *data)
6398
0
{
6399
0
  struct wpabuf *buf;
6400
0
  int res;
6401
6402
0
  if (!data || wpa_s->wpa_state != WPA_COMPLETED ||
6403
0
      !ether_addr_equal(data->sa, wpa_s->bssid))
6404
0
    return;
6405
0
  wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_UNPROT_BEACON MACSTR,
6406
0
    MAC2STR(data->sa));
6407
6408
0
  buf = wpabuf_alloc(4);
6409
0
  if (!buf)
6410
0
    return;
6411
6412
0
  wpabuf_put_u8(buf, WLAN_ACTION_WNM);
6413
0
  wpabuf_put_u8(buf, WNM_NOTIFICATION_REQ);
6414
0
  wpabuf_put_u8(buf, 1); /* Dialog Token */
6415
0
  wpabuf_put_u8(buf, WNM_NOTIF_TYPE_BEACON_PROTECTION_FAILURE);
6416
6417
0
  res = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid,
6418
0
          wpa_s->own_addr, wpa_s->bssid,
6419
0
          wpabuf_head(buf), wpabuf_len(buf), 0);
6420
0
  if (res < 0)
6421
0
    wpa_printf(MSG_DEBUG,
6422
0
         "Failed to send WNM-Notification Request frame");
6423
6424
0
  wpabuf_free(buf);
6425
0
}
6426
6427
6428
static const char * bitmap_to_str(u8 value, char *buf)
6429
0
{
6430
0
  char *pos = buf;
6431
0
  int i, k = 0;
6432
6433
0
  for (i = 7; i >= 0; i--)
6434
0
    pos[k++] = (value & BIT(i)) ? '1' : '0';
6435
6436
0
  pos[8] = '\0';
6437
0
  return pos;
6438
0
}
6439
6440
6441
static void wpas_tid_link_map(struct wpa_supplicant *wpa_s,
6442
            struct tid_link_map_info *info)
6443
0
{
6444
0
  char map_info[1000], *pos, *end;
6445
0
  int res, i;
6446
6447
0
  pos = map_info;
6448
0
  end = pos + sizeof(map_info);
6449
0
  res = os_snprintf(map_info, sizeof(map_info), "default=%d",
6450
0
        info->default_map);
6451
0
  if (os_snprintf_error(end - pos, res))
6452
0
    return;
6453
0
  pos += res;
6454
6455
0
  if (!info->default_map) {
6456
0
    for_each_link(info->valid_links, i) {
6457
0
      char uplink_map_str[9];
6458
0
      char downlink_map_str[9];
6459
6460
0
      bitmap_to_str(info->t2lmap[i].uplink, uplink_map_str);
6461
0
      bitmap_to_str(info->t2lmap[i].downlink,
6462
0
              downlink_map_str);
6463
6464
0
      res = os_snprintf(pos, end - pos,
6465
0
            " link_id=%d up_link=%s down_link=%s",
6466
0
            i, uplink_map_str,
6467
0
            downlink_map_str);
6468
0
      if (os_snprintf_error(end - pos, res))
6469
0
        return;
6470
0
      pos += res;
6471
0
    }
6472
0
  }
6473
6474
0
  wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_T2LM_UPDATE "%s", map_info);
6475
0
}
6476
6477
6478
static void wpas_setup_link_reconfig(struct wpa_supplicant *wpa_s,
6479
             struct reconfig_info *info)
6480
0
{
6481
0
  const u8 *key_data = info->resp_ie;
6482
0
  size_t key_data_len = 0;
6483
0
  const u8 *ies, *end;
6484
0
  bool success = false;
6485
0
  int i;
6486
6487
0
  if (!info->added_links) {
6488
0
    wpa_printf(MSG_INFO, "No links to be added");
6489
0
    return;
6490
0
  }
6491
6492
0
  if (wpa_drv_get_mlo_info(wpa_s) < 0) {
6493
0
    wpa_printf(MSG_INFO,
6494
0
         "SETUP_LINK_RECONFIG: Failed to set reconfig info to wpa_s");
6495
0
    return;
6496
0
  }
6497
6498
0
  if (wpa_sm_set_ml_info(wpa_s)) {
6499
0
    wpa_printf(MSG_ERROR,
6500
0
         "SETUP_LINK_RECONFIG: Failed to set reconfig info to wpa_sm");
6501
0
    return;
6502
0
  }
6503
6504
0
  wpa_hexdump(MSG_DEBUG, "MLD: Reconfiguration Status List",
6505
0
        info->status_list, info->count * 3);
6506
0
  for (i = 0; i < info->count; i++) {
6507
0
    if (WPA_GET_LE16(info->status_list + i * 3 + 1) ==
6508
0
        WLAN_STATUS_SUCCESS)
6509
0
      success = true;
6510
0
  }
6511
6512
0
  if (!key_data || info->resp_ie_len == 0)
6513
0
    return;
6514
6515
0
  if (success) {
6516
    /* Starting with Group Key Data subfield, Key Data Length
6517
     * field */
6518
0
    if (info->resp_ie_len < 1U + key_data[0]) {
6519
0
      wpa_printf(MSG_INFO,
6520
0
           "MLD: Invalid keys in the link setup response");
6521
0
      return;
6522
0
    }
6523
6524
0
    key_data_len = key_data[0];
6525
0
    key_data++;
6526
0
    wpa_hexdump_key(MSG_DEBUG,
6527
0
        "MLD: Link reconfig resp - Group Key Data",
6528
0
        key_data, key_data_len);
6529
6530
0
    if (wpa_sm_install_mlo_group_keys(wpa_s->wpa, key_data,
6531
0
              key_data_len,
6532
0
              info->added_links)) {
6533
0
      wpa_printf(MSG_ERROR,
6534
0
           "SETUP_LINK_RECONFIG: Failed to install group keys for added links");
6535
0
      return;
6536
0
    }
6537
0
  }
6538
6539
0
  ies = key_data + key_data_len;
6540
0
  end = info->resp_ie + info->resp_ie_len;
6541
0
  wpa_hexdump(MSG_DEBUG, "MLD: Link reconfig resp - IEs", ies, end - ies);
6542
6543
0
  wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_LINK_RECONFIG "valid_links=0x%x",
6544
0
    wpa_s->valid_links);
6545
0
}
6546
6547
6548
static void wpas_link_reconfig(struct wpa_supplicant *wpa_s)
6549
0
{
6550
0
  u8 bssid[ETH_ALEN];
6551
6552
0
  if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
6553
0
    wpa_printf(MSG_ERROR, "LINK_RECONFIG: Failed to get BSSID");
6554
0
    wpa_supplicant_deauthenticate(wpa_s,
6555
0
                WLAN_REASON_DEAUTH_LEAVING);
6556
0
    return;
6557
0
  }
6558
6559
0
  if (!ether_addr_equal(bssid, wpa_s->bssid)) {
6560
0
    os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
6561
0
    wpa_supplicant_update_current_bss(wpa_s, wpa_s->bssid);
6562
0
    wpas_notify_bssid_changed(wpa_s);
6563
0
  }
6564
6565
0
  if (wpa_drv_get_mlo_info(wpa_s) < 0) {
6566
0
    wpa_printf(MSG_ERROR,
6567
0
         "LINK_RECONFIG: Failed to get MLO connection info");
6568
0
    wpa_supplicant_deauthenticate(wpa_s,
6569
0
                WLAN_REASON_DEAUTH_LEAVING);
6570
0
    return;
6571
0
  }
6572
6573
0
  if (wpa_sm_set_ml_info(wpa_s)) {
6574
0
    wpa_printf(MSG_ERROR,
6575
0
         "LINK_RECONFIG: Failed to set MLO connection info to wpa_sm");
6576
0
    wpa_supplicant_deauthenticate(wpa_s,
6577
0
                WLAN_REASON_DEAUTH_LEAVING);
6578
0
    return;
6579
0
  }
6580
6581
0
  wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_LINK_RECONFIG "valid_links=0x%x",
6582
0
    wpa_s->valid_links);
6583
0
}
6584
6585
6586
#ifdef CONFIG_PASN
6587
static int wpas_pasn_auth(struct wpa_supplicant *wpa_s,
6588
        const struct ieee80211_mgmt *mgmt, size_t len,
6589
        int freq)
6590
{
6591
  struct ieee802_11_elems elems;
6592
  size_t auth_length;
6593
6594
  auth_length = IEEE80211_HDRLEN + sizeof(mgmt->u.auth);
6595
6596
  if (len < auth_length) {
6597
    wpa_printf(MSG_DEBUG, "PASN: Too short Authentication frame");
6598
    return -2;
6599
  }
6600
6601
  if (le_to_host16(mgmt->u.auth.auth_alg) != WLAN_AUTH_PASN) {
6602
    wpa_printf(MSG_DEBUG,
6603
         "PASN: Not a PASN Authentication frame, skip frame parsing");
6604
    return -2;
6605
  }
6606
6607
  if (ieee802_11_parse_elems(mgmt->u.auth.variable,
6608
           len - offsetof(struct ieee80211_mgmt,
6609
              u.auth.variable),
6610
           &elems, 1) == ParseFailed) {
6611
    wpa_printf(MSG_DEBUG,
6612
         "PASN: Failed parsing Authentication frame");
6613
    return -2;
6614
  }
6615
6616
#ifdef CONFIG_P2P
6617
  if (elems.p2p2_ie && elems.p2p2_ie_len)
6618
    return wpas_p2p_pasn_auth_rx(wpa_s, mgmt, len, freq);
6619
#endif /* CONFIG_P2P */
6620
#ifdef CONFIG_PR
6621
  if (elems.proximity_ranging && elems.proximity_ranging_len)
6622
    return wpas_pr_pasn_auth_rx(wpa_s, mgmt, len, freq);
6623
#endif /* CONFIG_PR */
6624
6625
  return wpas_pasn_auth_rx(wpa_s, mgmt, len);
6626
}
6627
#endif /* CONFIG_PASN */
6628
6629
6630
void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
6631
        union wpa_event_data *data)
6632
0
{
6633
0
  struct wpa_supplicant *wpa_s = ctx;
6634
0
  int resched;
6635
0
  struct os_reltime age, clear_at;
6636
0
#ifndef CONFIG_NO_STDOUT_DEBUG
6637
0
  int level = MSG_DEBUG;
6638
0
#endif /* CONFIG_NO_STDOUT_DEBUG */
6639
6640
0
  if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
6641
0
      event != EVENT_INTERFACE_ENABLED &&
6642
0
      event != EVENT_INTERFACE_STATUS &&
6643
0
      event != EVENT_SCAN_RESULTS &&
6644
0
      event != EVENT_SCHED_SCAN_STOPPED) {
6645
0
    wpa_dbg(wpa_s, MSG_DEBUG,
6646
0
      "Ignore event %s (%d) while interface is disabled",
6647
0
      event_to_string(event), event);
6648
0
    return;
6649
0
  }
6650
6651
0
#ifndef CONFIG_NO_STDOUT_DEBUG
6652
0
  if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
6653
0
    const struct ieee80211_hdr *hdr;
6654
0
    u16 fc;
6655
0
    hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
6656
0
    fc = le_to_host16(hdr->frame_control);
6657
0
    if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6658
0
        WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
6659
0
      level = MSG_EXCESSIVE;
6660
0
  }
6661
6662
0
  wpa_dbg(wpa_s, level, "Event %s (%d) received",
6663
0
    event_to_string(event), event);
6664
0
#endif /* CONFIG_NO_STDOUT_DEBUG */
6665
6666
0
  switch (event) {
6667
0
  case EVENT_AUTH:
6668
#ifdef CONFIG_FST
6669
    if (!wpas_fst_update_mbie(wpa_s, data->auth.ies,
6670
            data->auth.ies_len))
6671
      wpa_printf(MSG_DEBUG,
6672
           "FST: MB IEs updated from auth IE");
6673
#endif /* CONFIG_FST */
6674
0
    sme_event_auth(wpa_s, data);
6675
0
    wpa_s->auth_status_code = data->auth.status_code;
6676
0
    wpas_notify_auth_status_code(wpa_s);
6677
0
    break;
6678
0
  case EVENT_ASSOC:
6679
#ifdef CONFIG_TESTING_OPTIONS
6680
    if (wpa_s->ignore_auth_resp) {
6681
      wpa_printf(MSG_INFO,
6682
           "EVENT_ASSOC - ignore_auth_resp active!");
6683
      break;
6684
    }
6685
    if (wpa_s->testing_resend_assoc) {
6686
      wpa_printf(MSG_INFO,
6687
           "EVENT_DEAUTH - testing_resend_assoc");
6688
      break;
6689
    }
6690
#endif /* CONFIG_TESTING_OPTIONS */
6691
0
    if (wpa_s->disconnected) {
6692
0
      wpa_printf(MSG_INFO,
6693
0
           "Ignore unexpected EVENT_ASSOC in disconnected state");
6694
0
      break;
6695
0
    }
6696
0
#ifndef CONFIG_NO_ROBUST_AV
6697
0
    if (dl_list_len(&wpa_s->active_scs_ids) > 0) {
6698
0
      wpa_printf(MSG_DEBUG,
6699
0
           "SCS rules renegotiation required after roaming");
6700
0
      wpa_s->scs_reconfigure = true;
6701
0
    }
6702
0
#endif /* CONFIG_NO_ROBUST_AV */
6703
0
    wpa_supplicant_event_assoc(wpa_s, data);
6704
0
    wpa_s->assoc_status_code = WLAN_STATUS_SUCCESS;
6705
0
    if (data &&
6706
0
        (data->assoc_info.authorized ||
6707
0
         (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
6708
0
          wpa_fils_is_completed(wpa_s->wpa))))
6709
0
      wpa_supplicant_event_assoc_auth(wpa_s, data);
6710
0
    if (data) {
6711
0
      wpa_msg(wpa_s, MSG_INFO,
6712
0
        WPA_EVENT_SUBNET_STATUS_UPDATE "status=%u",
6713
0
        data->assoc_info.subnet_status);
6714
0
    }
6715
0
    break;
6716
0
  case EVENT_DISASSOC:
6717
0
    wpas_event_disassoc(wpa_s,
6718
0
            data ? &data->disassoc_info : NULL);
6719
0
    break;
6720
0
  case EVENT_DEAUTH:
6721
#ifdef CONFIG_TESTING_OPTIONS
6722
    if (wpa_s->ignore_auth_resp) {
6723
      wpa_printf(MSG_INFO,
6724
           "EVENT_DEAUTH - ignore_auth_resp active!");
6725
      break;
6726
    }
6727
    if (wpa_s->testing_resend_assoc) {
6728
      wpa_printf(MSG_INFO,
6729
           "EVENT_DEAUTH - testing_resend_assoc");
6730
      break;
6731
    }
6732
#endif /* CONFIG_TESTING_OPTIONS */
6733
0
    wpas_event_deauth(wpa_s,
6734
0
          data ? &data->deauth_info : NULL);
6735
0
    break;
6736
0
  case EVENT_LINK_RECONFIG:
6737
0
    wpas_link_reconfig(wpa_s);
6738
0
    break;
6739
0
  case EVENT_MICHAEL_MIC_FAILURE:
6740
0
    wpa_supplicant_event_michael_mic_failure(wpa_s, data);
6741
0
    break;
6742
0
#ifndef CONFIG_NO_SCAN_PROCESSING
6743
0
  case EVENT_SCAN_STARTED:
6744
0
    if (wpa_s->own_scan_requested ||
6745
0
        (data && !data->scan_info.external_scan)) {
6746
0
      struct os_reltime diff;
6747
6748
0
      os_get_reltime(&wpa_s->scan_start_time);
6749
0
      os_reltime_sub(&wpa_s->scan_start_time,
6750
0
               &wpa_s->scan_trigger_time, &diff);
6751
0
      wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds",
6752
0
        diff.sec, diff.usec);
6753
0
      wpa_s->own_scan_requested = 0;
6754
0
      wpa_s->own_scan_running = 1;
6755
0
      if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
6756
0
          wpa_s->manual_scan_use_id) {
6757
0
        wpa_msg_ctrl(wpa_s, MSG_INFO,
6758
0
               WPA_EVENT_SCAN_STARTED "id=%u",
6759
0
               wpa_s->manual_scan_id);
6760
0
      } else {
6761
0
        wpa_msg_ctrl(wpa_s, MSG_INFO,
6762
0
               WPA_EVENT_SCAN_STARTED);
6763
0
      }
6764
0
    } else {
6765
0
      wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan");
6766
0
      wpa_s->radio->external_scan_req_interface = wpa_s;
6767
0
      wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED);
6768
0
    }
6769
0
    break;
6770
0
  case EVENT_SCAN_RESULTS:
6771
0
    if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
6772
0
      wpa_s->scan_res_handler = NULL;
6773
0
      wpa_s->own_scan_running = 0;
6774
0
      wpa_s->radio->external_scan_req_interface = NULL;
6775
0
      wpa_s->last_scan_req = NORMAL_SCAN_REQ;
6776
0
      break;
6777
0
    }
6778
6779
0
    if (!(data && data->scan_info.external_scan) &&
6780
0
        os_reltime_initialized(&wpa_s->scan_start_time)) {
6781
0
      struct os_reltime now, diff;
6782
0
      os_get_reltime(&now);
6783
0
      os_reltime_sub(&now, &wpa_s->scan_start_time, &diff);
6784
0
      wpa_s->scan_start_time.sec = 0;
6785
0
      wpa_s->scan_start_time.usec = 0;
6786
0
      wpa_s->wps_scan_done = true;
6787
0
      wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds",
6788
0
        diff.sec, diff.usec);
6789
0
    }
6790
0
    if (wpa_supplicant_event_scan_results(wpa_s, data))
6791
0
      break; /* interface may have been removed */
6792
0
    if (!(data && data->scan_info.external_scan))
6793
0
      wpa_s->own_scan_running = 0;
6794
0
    if (data && data->scan_info.nl_scan_event)
6795
0
      wpa_s->radio->external_scan_req_interface = NULL;
6796
0
    radio_work_check_next(wpa_s);
6797
0
    break;
6798
0
#endif /* CONFIG_NO_SCAN_PROCESSING */
6799
0
  case EVENT_ASSOCINFO:
6800
0
    wpa_supplicant_event_associnfo(wpa_s, data);
6801
0
    break;
6802
0
  case EVENT_INTERFACE_STATUS:
6803
0
    wpa_supplicant_event_interface_status(wpa_s, data);
6804
0
    break;
6805
0
  case EVENT_PMKID_CANDIDATE:
6806
0
    wpa_supplicant_event_pmkid_candidate(wpa_s, data);
6807
0
    break;
6808
#ifdef CONFIG_TDLS
6809
  case EVENT_TDLS:
6810
    wpa_supplicant_event_tdls(wpa_s, data);
6811
    break;
6812
#endif /* CONFIG_TDLS */
6813
0
#ifdef CONFIG_WNM
6814
0
  case EVENT_WNM:
6815
0
    wpa_supplicant_event_wnm(wpa_s, data);
6816
0
    break;
6817
0
#endif /* CONFIG_WNM */
6818
#ifdef CONFIG_IEEE80211R
6819
  case EVENT_FT_RESPONSE:
6820
    wpa_supplicant_event_ft_response(wpa_s, data);
6821
    break;
6822
#endif /* CONFIG_IEEE80211R */
6823
#ifdef CONFIG_IBSS_RSN
6824
  case EVENT_IBSS_RSN_START:
6825
    wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
6826
    break;
6827
#endif /* CONFIG_IBSS_RSN */
6828
0
  case EVENT_ASSOC_REJECT:
6829
0
    wpas_event_assoc_reject(wpa_s, data);
6830
0
    break;
6831
0
  case EVENT_AUTH_TIMED_OUT:
6832
    /* It is possible to get this event from earlier connection */
6833
0
    if (wpa_s->current_ssid &&
6834
0
        wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
6835
0
      wpa_dbg(wpa_s, MSG_DEBUG,
6836
0
        "Ignore AUTH_TIMED_OUT in mesh configuration");
6837
0
      break;
6838
0
    }
6839
0
    if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
6840
0
      sme_event_auth_timed_out(wpa_s, data);
6841
0
    break;
6842
0
  case EVENT_ASSOC_TIMED_OUT:
6843
    /* It is possible to get this event from earlier connection */
6844
0
    if (wpa_s->current_ssid &&
6845
0
        wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
6846
0
      wpa_dbg(wpa_s, MSG_DEBUG,
6847
0
        "Ignore ASSOC_TIMED_OUT in mesh configuration");
6848
0
      break;
6849
0
    }
6850
0
    if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
6851
0
      sme_event_assoc_timed_out(wpa_s, data);
6852
0
    break;
6853
0
  case EVENT_TX_STATUS:
6854
0
    wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
6855
0
      " type=%d stype=%d",
6856
0
      MAC2STR(data->tx_status.dst),
6857
0
      data->tx_status.type, data->tx_status.stype);
6858
0
#ifdef CONFIG_WNM
6859
0
    if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
6860
0
        data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
6861
0
        wnm_btm_resp_tx_status(wpa_s, data->tx_status.data,
6862
0
             data->tx_status.data_len) == 0)
6863
0
      break;
6864
0
#endif /* CONFIG_WNM */
6865
#ifdef CONFIG_PASN
6866
#ifdef CONFIG_P2P
6867
    if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
6868
        data->tx_status.stype == WLAN_FC_STYPE_AUTH &&
6869
        !wpa_s->pasn_auth_work &&
6870
        wpa_s->p2p_pasn_auth_work &&
6871
        wpas_p2p_pasn_auth_tx_status(wpa_s,
6872
             data->tx_status.data,
6873
             data->tx_status.data_len,
6874
             data->tx_status.ack) == 0)
6875
      break;
6876
#endif /* CONFIG_P2P */
6877
#ifdef CONFIG_PR
6878
    if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
6879
        data->tx_status.stype == WLAN_FC_STYPE_AUTH &&
6880
        !wpa_s->pasn_auth_work &&
6881
        wpa_s->pr_pasn_auth_work &&
6882
        wpas_pr_pasn_auth_tx_status(wpa_s,
6883
            data->tx_status.data,
6884
            data->tx_status.data_len,
6885
            data->tx_status.ack) == 0)
6886
      break;
6887
#endif /* CONFIG_PR */
6888
    if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
6889
        data->tx_status.stype == WLAN_FC_STYPE_AUTH &&
6890
        wpas_pasn_auth_tx_status(wpa_s, data->tx_status.data,
6891
               data->tx_status.data_len,
6892
               data->tx_status.ack) == 0)
6893
      break;
6894
#endif /* CONFIG_PASN */
6895
#ifdef CONFIG_AP
6896
    if (wpa_s->ap_iface == NULL) {
6897
#ifdef CONFIG_OFFCHANNEL
6898
      if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
6899
          data->tx_status.stype == WLAN_FC_STYPE_ACTION)
6900
        offchannel_send_action_tx_status(
6901
          wpa_s, data->tx_status.dst,
6902
          data->tx_status.data,
6903
          data->tx_status.data_len,
6904
          data->tx_status.ack ?
6905
          OFFCHANNEL_SEND_ACTION_SUCCESS :
6906
          OFFCHANNEL_SEND_ACTION_NO_ACK);
6907
#endif /* CONFIG_OFFCHANNEL */
6908
      break;
6909
    }
6910
#endif /* CONFIG_AP */
6911
#ifdef CONFIG_OFFCHANNEL
6912
    wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
6913
      MACSTR, MAC2STR(wpa_s->p2pdev->pending_action_dst));
6914
    /*
6915
     * Catch TX status events for Action frames we sent via group
6916
     * interface in GO mode, or via standalone AP interface.
6917
     * Note, wpa_s->p2pdev will be the same as wpa_s->parent,
6918
     * except when the primary interface is used as a GO interface
6919
     * (for drivers which do not have group interface concurrency)
6920
     */
6921
    if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
6922
        data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
6923
        ether_addr_equal(wpa_s->p2pdev->pending_action_dst,
6924
             data->tx_status.dst)) {
6925
      offchannel_send_action_tx_status(
6926
        wpa_s->p2pdev, data->tx_status.dst,
6927
        data->tx_status.data,
6928
        data->tx_status.data_len,
6929
        data->tx_status.ack ?
6930
        OFFCHANNEL_SEND_ACTION_SUCCESS :
6931
        OFFCHANNEL_SEND_ACTION_NO_ACK);
6932
      break;
6933
    }
6934
#endif /* CONFIG_OFFCHANNEL */
6935
#ifdef CONFIG_AP
6936
    switch (data->tx_status.type) {
6937
    case WLAN_FC_TYPE_MGMT:
6938
      ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
6939
              data->tx_status.data_len,
6940
              data->tx_status.stype,
6941
              data->tx_status.ack);
6942
      break;
6943
    case WLAN_FC_TYPE_DATA:
6944
      ap_tx_status(wpa_s, data->tx_status.dst,
6945
             data->tx_status.data,
6946
             data->tx_status.data_len,
6947
             data->tx_status.ack);
6948
      break;
6949
    }
6950
#endif /* CONFIG_AP */
6951
0
    break;
6952
#ifdef CONFIG_AP
6953
  case EVENT_EAPOL_TX_STATUS:
6954
    ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
6955
           data->eapol_tx_status.data,
6956
           data->eapol_tx_status.data_len,
6957
           data->eapol_tx_status.ack);
6958
    break;
6959
  case EVENT_DRIVER_CLIENT_POLL_OK:
6960
    ap_client_poll_ok(wpa_s, data->client_poll.addr);
6961
    break;
6962
  case EVENT_RX_FROM_UNKNOWN:
6963
    if (wpa_s->ap_iface == NULL)
6964
      break;
6965
    ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
6966
               data->rx_from_unknown.wds);
6967
    break;
6968
#endif /* CONFIG_AP */
6969
6970
0
  case EVENT_LINK_CH_SWITCH_STARTED:
6971
0
  case EVENT_LINK_CH_SWITCH:
6972
0
    if (!data || !wpa_s->current_ssid ||
6973
0
        !(wpa_s->valid_links & BIT(data->ch_switch.link_id)))
6974
0
      break;
6975
6976
0
    wpa_msg(wpa_s, MSG_INFO,
6977
0
      "%sfreq=%d link_id=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
6978
0
      event == EVENT_LINK_CH_SWITCH ?
6979
0
      WPA_EVENT_LINK_CHANNEL_SWITCH :
6980
0
      WPA_EVENT_LINK_CHANNEL_SWITCH_STARTED,
6981
0
      data->ch_switch.freq,
6982
0
      data->ch_switch.link_id,
6983
0
      data->ch_switch.ht_enabled,
6984
0
      data->ch_switch.ch_offset,
6985
0
      channel_width_to_string(data->ch_switch.ch_width),
6986
0
      data->ch_switch.cf1,
6987
0
      data->ch_switch.cf2);
6988
0
    if (event == EVENT_LINK_CH_SWITCH_STARTED)
6989
0
      break;
6990
6991
0
    wpa_s->links[data->ch_switch.link_id].freq =
6992
0
      data->ch_switch.freq;
6993
0
    if (wpa_s->links[data->ch_switch.link_id].bss &&
6994
0
        wpa_s->links[data->ch_switch.link_id].bss->freq !=
6995
0
        data->ch_switch.freq) {
6996
0
      wpa_s->links[data->ch_switch.link_id].bss->freq =
6997
0
        data->ch_switch.freq;
6998
0
      notify_bss_changes(
6999
0
        wpa_s, WPA_BSS_FREQ_CHANGED_FLAG,
7000
0
        wpa_s->links[data->ch_switch.link_id].bss);
7001
0
    }
7002
0
    break;
7003
0
  case EVENT_CH_SWITCH_STARTED:
7004
0
  case EVENT_CH_SWITCH:
7005
0
    if (!data || !wpa_s->current_ssid)
7006
0
      break;
7007
7008
0
    wpa_msg(wpa_s, MSG_INFO,
7009
0
      "%sfreq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
7010
0
      event == EVENT_CH_SWITCH ? WPA_EVENT_CHANNEL_SWITCH :
7011
0
      WPA_EVENT_CHANNEL_SWITCH_STARTED,
7012
0
      data->ch_switch.freq,
7013
0
      data->ch_switch.ht_enabled,
7014
0
      data->ch_switch.ch_offset,
7015
0
      channel_width_to_string(data->ch_switch.ch_width),
7016
0
      data->ch_switch.cf1,
7017
0
      data->ch_switch.cf2);
7018
0
    if (event == EVENT_CH_SWITCH_STARTED)
7019
0
      break;
7020
7021
0
    wpa_s->assoc_freq = data->ch_switch.freq;
7022
0
    wpa_s->current_ssid->frequency = data->ch_switch.freq;
7023
0
    if (wpa_s->current_bss &&
7024
0
        wpa_s->current_bss->freq != data->ch_switch.freq) {
7025
0
      wpa_s->current_bss->freq = data->ch_switch.freq;
7026
0
      notify_bss_changes(wpa_s, WPA_BSS_FREQ_CHANGED_FLAG,
7027
0
             wpa_s->current_bss);
7028
0
    }
7029
7030
#ifdef CONFIG_SME
7031
    switch (data->ch_switch.ch_offset) {
7032
    case 1:
7033
      wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_ABOVE;
7034
      break;
7035
    case -1:
7036
      wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_BELOW;
7037
      break;
7038
    default:
7039
      wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_UNKNOWN;
7040
      break;
7041
    }
7042
#endif /* CONFIG_SME */
7043
7044
#ifdef CONFIG_AP
7045
    if (wpa_s->current_ssid->mode == WPAS_MODE_AP ||
7046
        wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO ||
7047
        wpa_s->current_ssid->mode == WPAS_MODE_MESH ||
7048
        wpa_s->current_ssid->mode ==
7049
        WPAS_MODE_P2P_GROUP_FORMATION) {
7050
      wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
7051
            data->ch_switch.ht_enabled,
7052
            data->ch_switch.ch_offset,
7053
            data->ch_switch.ch_width,
7054
            data->ch_switch.cf1,
7055
            data->ch_switch.cf2,
7056
            data->ch_switch.punct_bitmap,
7057
            1);
7058
    }
7059
#endif /* CONFIG_AP */
7060
7061
0
    if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
7062
0
      sme_event_ch_switch(wpa_s);
7063
7064
0
    wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_CS);
7065
0
    wnm_clear_coloc_intf_reporting(wpa_s);
7066
0
    break;
7067
#ifdef CONFIG_AP
7068
#ifdef NEED_AP_MLME
7069
  case EVENT_DFS_RADAR_DETECTED:
7070
    if (data)
7071
      wpas_ap_event_dfs_radar_detected(wpa_s,
7072
               &data->dfs_event);
7073
    break;
7074
  case EVENT_DFS_NOP_FINISHED:
7075
    if (data)
7076
      wpas_ap_event_dfs_cac_nop_finished(wpa_s,
7077
                 &data->dfs_event);
7078
    break;
7079
#endif /* NEED_AP_MLME */
7080
#endif /* CONFIG_AP */
7081
0
  case EVENT_DFS_CAC_STARTED:
7082
0
    if (data)
7083
0
      wpas_event_dfs_cac_started(wpa_s, &data->dfs_event);
7084
0
    break;
7085
0
  case EVENT_DFS_CAC_FINISHED:
7086
0
    if (data)
7087
0
      wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event);
7088
0
    break;
7089
0
  case EVENT_DFS_CAC_ABORTED:
7090
0
    if (data)
7091
0
      wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event);
7092
0
    break;
7093
0
  case EVENT_RX_MGMT: {
7094
0
    u16 fc, stype;
7095
0
    const struct ieee80211_mgmt *mgmt;
7096
7097
#ifdef CONFIG_TESTING_OPTIONS
7098
    if (wpa_s->ext_mgmt_frame_handling) {
7099
      struct rx_mgmt *rx = &data->rx_mgmt;
7100
      size_t hex_len = 2 * rx->frame_len + 1;
7101
      char *hex = os_malloc(hex_len);
7102
      if (hex) {
7103
        wpa_snprintf_hex(hex, hex_len,
7104
             rx->frame, rx->frame_len);
7105
        wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s",
7106
          rx->freq, rx->datarate, rx->ssi_signal,
7107
          hex);
7108
        os_free(hex);
7109
      }
7110
      break;
7111
    }
7112
#endif /* CONFIG_TESTING_OPTIONS */
7113
7114
0
    mgmt = (const struct ieee80211_mgmt *)
7115
0
      data->rx_mgmt.frame;
7116
0
    fc = le_to_host16(mgmt->frame_control);
7117
0
    stype = WLAN_FC_GET_STYPE(fc);
7118
7119
#ifdef CONFIG_AP
7120
    if (wpa_s->ap_iface == NULL) {
7121
#endif /* CONFIG_AP */
7122
#ifdef CONFIG_P2P
7123
      if (stype == WLAN_FC_STYPE_PROBE_REQ &&
7124
          data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
7125
        const u8 *src = mgmt->sa;
7126
        const u8 *ie;
7127
        size_t ie_len;
7128
7129
        ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
7130
        ie_len = data->rx_mgmt.frame_len -
7131
          IEEE80211_HDRLEN;
7132
        wpas_p2p_probe_req_rx(
7133
          wpa_s, src, mgmt->da,
7134
          mgmt->bssid, ie, ie_len,
7135
          data->rx_mgmt.freq,
7136
          data->rx_mgmt.ssi_signal);
7137
        break;
7138
      }
7139
#endif /* CONFIG_P2P */
7140
#ifdef CONFIG_IBSS_RSN
7141
      if (wpa_s->current_ssid &&
7142
          wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
7143
          stype == WLAN_FC_STYPE_AUTH &&
7144
          data->rx_mgmt.frame_len >= 30) {
7145
        wpa_supplicant_event_ibss_auth(wpa_s, data);
7146
        break;
7147
      }
7148
#endif /* CONFIG_IBSS_RSN */
7149
7150
0
      if (stype == WLAN_FC_STYPE_ACTION) {
7151
0
        wpas_event_rx_mgmt_action(
7152
0
          wpa_s, data->rx_mgmt.frame,
7153
0
          data->rx_mgmt.frame_len,
7154
0
          data->rx_mgmt.freq,
7155
0
          data->rx_mgmt.ssi_signal);
7156
0
        break;
7157
0
      }
7158
7159
0
      if (wpa_s->ifmsh) {
7160
0
        mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt);
7161
0
        break;
7162
0
      }
7163
#ifdef CONFIG_PASN
7164
      if (stype == WLAN_FC_STYPE_AUTH &&
7165
          wpas_pasn_auth(wpa_s, mgmt, data->rx_mgmt.frame_len,
7166
             data->rx_mgmt.freq) != -2)
7167
        break;
7168
#endif /* CONFIG_PASN */
7169
7170
#ifdef CONFIG_SAE
7171
      if (stype == WLAN_FC_STYPE_AUTH &&
7172
          !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
7173
          ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) ||
7174
          (wpa_s->drv_flags2 & WPA_DRIVER_FLAGS2_EPPKE))) {
7175
        sme_external_auth_mgmt_rx(
7176
          wpa_s, data->rx_mgmt.frame,
7177
          data->rx_mgmt.frame_len);
7178
        break;
7179
      }
7180
#endif /* CONFIG_SAE */
7181
0
      wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
7182
0
        "management frame in non-AP mode");
7183
0
      break;
7184
#ifdef CONFIG_AP
7185
    }
7186
7187
    if (stype == WLAN_FC_STYPE_PROBE_REQ &&
7188
        data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
7189
      const u8 *ie;
7190
      size_t ie_len;
7191
7192
      ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
7193
      ie_len = data->rx_mgmt.frame_len - IEEE80211_HDRLEN;
7194
7195
      wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
7196
           mgmt->bssid, ie, ie_len,
7197
           data->rx_mgmt.ssi_signal);
7198
    }
7199
7200
    ap_mgmt_rx(wpa_s, &data->rx_mgmt);
7201
#endif /* CONFIG_AP */
7202
0
    break;
7203
0
    }
7204
0
  case EVENT_RX_PROBE_REQ:
7205
0
    if (data->rx_probe_req.sa == NULL ||
7206
0
        data->rx_probe_req.ie == NULL)
7207
0
      break;
7208
#ifdef CONFIG_AP
7209
    if (wpa_s->ap_iface) {
7210
      hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
7211
               data->rx_probe_req.sa,
7212
               data->rx_probe_req.da,
7213
               data->rx_probe_req.bssid,
7214
               data->rx_probe_req.ie,
7215
               data->rx_probe_req.ie_len,
7216
               data->rx_probe_req.ssi_signal);
7217
      break;
7218
    }
7219
#endif /* CONFIG_AP */
7220
0
    wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
7221
0
              data->rx_probe_req.da,
7222
0
              data->rx_probe_req.bssid,
7223
0
              data->rx_probe_req.ie,
7224
0
              data->rx_probe_req.ie_len,
7225
0
              0,
7226
0
              data->rx_probe_req.ssi_signal);
7227
0
    break;
7228
0
  case EVENT_REMAIN_ON_CHANNEL:
7229
#ifdef CONFIG_OFFCHANNEL
7230
    offchannel_remain_on_channel_cb(
7231
      wpa_s, data->remain_on_channel.freq,
7232
      data->remain_on_channel.duration);
7233
#endif /* CONFIG_OFFCHANNEL */
7234
0
    wpas_p2p_remain_on_channel_cb(
7235
0
      wpa_s, data->remain_on_channel.freq,
7236
0
      data->remain_on_channel.duration);
7237
#ifdef CONFIG_DPP
7238
    wpas_dpp_remain_on_channel_cb(
7239
      wpa_s, data->remain_on_channel.freq,
7240
      data->remain_on_channel.duration);
7241
#endif /* CONFIG_DPP */
7242
0
    wpas_nan_usd_remain_on_channel_cb(
7243
0
      wpa_s, data->remain_on_channel.freq,
7244
0
      data->remain_on_channel.duration);
7245
0
    break;
7246
0
  case EVENT_CANCEL_REMAIN_ON_CHANNEL:
7247
#ifdef CONFIG_OFFCHANNEL
7248
    offchannel_cancel_remain_on_channel_cb(
7249
      wpa_s, data->remain_on_channel.freq);
7250
#endif /* CONFIG_OFFCHANNEL */
7251
0
    wpas_p2p_cancel_remain_on_channel_cb(
7252
0
      wpa_s, data->remain_on_channel.freq);
7253
#ifdef CONFIG_DPP
7254
    wpas_dpp_cancel_remain_on_channel_cb(
7255
      wpa_s, data->remain_on_channel.freq);
7256
#endif /* CONFIG_DPP */
7257
0
    wpas_nan_usd_cancel_remain_on_channel_cb(
7258
0
      wpa_s, data->remain_on_channel.freq);
7259
0
    break;
7260
0
  case EVENT_EAPOL_RX:
7261
0
    wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
7262
0
          data->eapol_rx.data,
7263
0
          data->eapol_rx.data_len,
7264
0
          data->eapol_rx.encrypted);
7265
0
    break;
7266
0
  case EVENT_SIGNAL_CHANGE:
7267
0
    wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE
7268
0
           "above=%d signal=%d noise=%d txrate=%lu",
7269
0
           data->signal_change.above_threshold,
7270
0
           data->signal_change.data.signal,
7271
0
           data->signal_change.current_noise,
7272
0
           data->signal_change.data.current_tx_rate);
7273
0
    wpa_bss_update_level(wpa_s->current_bss,
7274
0
             data->signal_change.data.signal);
7275
0
    bgscan_notify_signal_change(
7276
0
      wpa_s, data->signal_change.above_threshold,
7277
0
      data->signal_change.data.signal,
7278
0
      data->signal_change.current_noise,
7279
0
      data->signal_change.data.current_tx_rate);
7280
0
    os_memcpy(&wpa_s->last_signal_info, data,
7281
0
        sizeof(struct wpa_signal_info));
7282
0
    wpas_notify_signal_change(wpa_s);
7283
0
    break;
7284
0
  case EVENT_INTERFACE_MAC_CHANGED:
7285
0
    wpa_supplicant_update_mac_addr(wpa_s);
7286
0
    wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7287
0
    break;
7288
0
  case EVENT_INTERFACE_ENABLED:
7289
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
7290
0
    if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7291
0
      u8 addr[ETH_ALEN];
7292
7293
0
      eloop_cancel_timeout(wpas_clear_disabled_interface,
7294
0
               wpa_s, NULL);
7295
0
      os_memcpy(addr, wpa_s->own_addr, ETH_ALEN);
7296
0
      wpa_supplicant_update_mac_addr(wpa_s);
7297
0
      if (!ether_addr_equal(addr, wpa_s->own_addr))
7298
0
        wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7299
0
      else
7300
0
        wpa_sm_pmksa_cache_reconfig(wpa_s->wpa);
7301
0
      wpa_supplicant_set_default_scan_ies(wpa_s);
7302
0
      if (wpa_s->p2p_mgmt || wpa_s->nan_mgmt) {
7303
0
        wpa_supplicant_set_state(wpa_s,
7304
0
               WPA_DISCONNECTED);
7305
0
        break;
7306
0
      }
7307
7308
#ifdef CONFIG_AP
7309
      if (!wpa_s->ap_iface) {
7310
        wpa_supplicant_set_state(wpa_s,
7311
               WPA_DISCONNECTED);
7312
        wpa_s->scan_req = NORMAL_SCAN_REQ;
7313
        wpa_supplicant_req_scan(wpa_s, 0, 0);
7314
      } else
7315
        wpa_supplicant_set_state(wpa_s,
7316
               WPA_COMPLETED);
7317
#else /* CONFIG_AP */
7318
0
      wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
7319
0
      wpa_supplicant_req_scan(wpa_s, 0, 0);
7320
0
#endif /* CONFIG_AP */
7321
0
    }
7322
0
    break;
7323
0
  case EVENT_INTERFACE_DISABLED:
7324
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
7325
0
    if (wpa_s->nan_mgmt) {
7326
0
      wpas_nan_flush(wpa_s);
7327
0
      wpa_supplicant_set_state(wpa_s,
7328
0
             WPA_INTERFACE_DISABLED);
7329
0
      break;
7330
0
    }
7331
#ifdef CONFIG_P2P
7332
    if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
7333
        (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group &&
7334
         wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) {
7335
      /*
7336
       * Mark interface disabled if this happens to end up not
7337
       * being removed as a separate P2P group interface.
7338
       */
7339
      wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
7340
      /*
7341
       * The interface was externally disabled. Remove
7342
       * it assuming an external entity will start a
7343
       * new session if needed.
7344
       */
7345
      if (wpa_s->current_ssid &&
7346
          wpa_s->current_ssid->p2p_group)
7347
        wpas_p2p_interface_unavailable(wpa_s);
7348
      else
7349
        wpas_p2p_disconnect(wpa_s);
7350
      /*
7351
       * wpa_s instance may have been freed, so must not use
7352
       * it here anymore.
7353
       */
7354
      break;
7355
    }
7356
    if (wpa_s->p2p_scan_work && wpa_s->global->p2p &&
7357
        p2p_in_progress(wpa_s->global->p2p) > 1) {
7358
      /* This radio work will be cancelled, so clear P2P
7359
       * state as well.
7360
       */
7361
      p2p_stop_find(wpa_s->global->p2p);
7362
    }
7363
#endif /* CONFIG_P2P */
7364
7365
0
    if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
7366
      /*
7367
       * Indicate disconnection to keep ctrl_iface events
7368
       * consistent.
7369
       */
7370
0
      wpa_supplicant_event_disassoc(
7371
0
        wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1);
7372
0
    }
7373
0
    wpa_supplicant_mark_disassoc(wpa_s);
7374
0
    os_reltime_age(&wpa_s->last_scan, &age);
7375
0
    if (age.sec >= wpa_s->conf->scan_res_valid_for_connect) {
7376
0
      clear_at.sec = wpa_s->conf->scan_res_valid_for_connect;
7377
0
      clear_at.usec = 0;
7378
0
    } else {
7379
0
      struct os_reltime tmp;
7380
7381
0
      tmp.sec = wpa_s->conf->scan_res_valid_for_connect;
7382
0
      tmp.usec = 0;
7383
0
      os_reltime_sub(&tmp, &age, &clear_at);
7384
0
    }
7385
0
    eloop_register_timeout(clear_at.sec, clear_at.usec,
7386
0
               wpas_clear_disabled_interface,
7387
0
               wpa_s, NULL);
7388
0
    radio_remove_works(wpa_s, NULL, 0);
7389
7390
0
    wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
7391
0
    break;
7392
0
  case EVENT_CHANNEL_LIST_CHANGED:
7393
0
    wpa_supplicant_update_channel_list(
7394
0
      wpa_s, &data->channel_list_changed);
7395
0
    break;
7396
0
  case EVENT_INTERFACE_UNAVAILABLE:
7397
0
    wpas_p2p_interface_unavailable(wpa_s);
7398
0
    break;
7399
0
  case EVENT_BEST_CHANNEL:
7400
0
    wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
7401
0
      "(%d %d %d)",
7402
0
      data->best_chan.freq_24, data->best_chan.freq_5,
7403
0
      data->best_chan.freq_overall);
7404
0
    wpa_s->best_24_freq = data->best_chan.freq_24;
7405
0
    wpa_s->best_5_freq = data->best_chan.freq_5;
7406
0
    wpa_s->best_overall_freq = data->best_chan.freq_overall;
7407
0
    wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
7408
0
                data->best_chan.freq_5,
7409
0
                data->best_chan.freq_overall);
7410
0
    break;
7411
0
  case EVENT_UNPROT_DEAUTH:
7412
0
    wpa_supplicant_event_unprot_deauth(wpa_s,
7413
0
               &data->unprot_deauth);
7414
0
    break;
7415
0
  case EVENT_UNPROT_DISASSOC:
7416
0
    wpa_supplicant_event_unprot_disassoc(wpa_s,
7417
0
                 &data->unprot_disassoc);
7418
0
    break;
7419
0
  case EVENT_STATION_LOW_ACK:
7420
#ifdef CONFIG_AP
7421
    if (wpa_s->ap_iface && data)
7422
      hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
7423
              data->low_ack.addr);
7424
#endif /* CONFIG_AP */
7425
#ifdef CONFIG_TDLS
7426
    if (data)
7427
      wpa_tdls_disable_unreachable_link(wpa_s->wpa,
7428
                data->low_ack.addr);
7429
#endif /* CONFIG_TDLS */
7430
0
    break;
7431
0
  case EVENT_IBSS_PEER_LOST:
7432
#ifdef CONFIG_IBSS_RSN
7433
    ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
7434
#endif /* CONFIG_IBSS_RSN */
7435
0
    break;
7436
0
  case EVENT_DRIVER_GTK_REKEY:
7437
0
    if (!ether_addr_equal(data->driver_gtk_rekey.bssid,
7438
0
              wpa_s->bssid))
7439
0
      break;
7440
0
    if (!wpa_s->wpa)
7441
0
      break;
7442
0
    wpa_sm_update_replay_ctr(wpa_s->wpa,
7443
0
           data->driver_gtk_rekey.replay_ctr);
7444
0
    break;
7445
0
  case EVENT_SCHED_SCAN_STOPPED:
7446
0
    wpa_s->sched_scanning = 0;
7447
0
    resched = wpa_s->scanning && wpas_scan_scheduled(wpa_s);
7448
0
    wpa_supplicant_notify_scanning(wpa_s, 0);
7449
7450
0
    if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7451
0
      break;
7452
7453
    /*
7454
     * If the driver stopped scanning without being requested to,
7455
     * request a new scan to continue scanning for networks.
7456
     */
7457
0
    if (!wpa_s->sched_scan_stop_req &&
7458
0
        wpa_s->wpa_state == WPA_SCANNING) {
7459
0
      wpa_dbg(wpa_s, MSG_DEBUG,
7460
0
        "Restart scanning after unexpected sched_scan stop event");
7461
0
      wpa_supplicant_req_scan(wpa_s, 1, 0);
7462
0
      break;
7463
0
    }
7464
7465
0
    wpa_s->sched_scan_stop_req = 0;
7466
7467
    /*
7468
     * Start a new sched scan to continue searching for more SSIDs
7469
     * either if timed out or PNO schedule scan is pending.
7470
     */
7471
0
    if (wpa_s->sched_scan_timed_out) {
7472
0
      wpa_supplicant_req_sched_scan(wpa_s);
7473
0
    } else if (wpa_s->pno_sched_pending) {
7474
0
      wpa_s->pno_sched_pending = 0;
7475
0
      wpas_start_pno(wpa_s);
7476
0
    } else if (resched) {
7477
0
      wpa_supplicant_req_scan(wpa_s, 0, 0);
7478
0
    }
7479
7480
0
    break;
7481
0
  case EVENT_WPS_BUTTON_PUSHED:
7482
#ifdef CONFIG_WPS
7483
    wpas_wps_start_pbc(wpa_s, NULL, 0, 0);
7484
#endif /* CONFIG_WPS */
7485
0
    break;
7486
0
  case EVENT_AVOID_FREQUENCIES:
7487
0
    wpa_supplicant_notify_avoid_freq(wpa_s, data);
7488
0
    break;
7489
0
  case EVENT_CONNECT_FAILED_REASON:
7490
#ifdef CONFIG_AP
7491
    if (!wpa_s->ap_iface || !data)
7492
      break;
7493
    hostapd_event_connect_failed_reason(
7494
      wpa_s->ap_iface->bss[0],
7495
      data->connect_failed_reason.addr,
7496
      data->connect_failed_reason.code);
7497
#endif /* CONFIG_AP */
7498
0
    break;
7499
0
  case EVENT_NEW_PEER_CANDIDATE:
7500
#ifdef CONFIG_MESH
7501
    if (!wpa_s->ifmsh || !data)
7502
      break;
7503
    wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer,
7504
             data->mesh_peer.ies,
7505
             data->mesh_peer.ie_len);
7506
#endif /* CONFIG_MESH */
7507
0
    break;
7508
0
  case EVENT_SURVEY:
7509
#ifdef CONFIG_AP
7510
    if (!wpa_s->ap_iface)
7511
      break;
7512
    hostapd_event_get_survey(wpa_s->ap_iface,
7513
           &data->survey_results);
7514
#endif /* CONFIG_AP */
7515
0
    break;
7516
0
  case EVENT_ACS_CHANNEL_SELECTED:
7517
#ifdef CONFIG_AP
7518
#ifdef CONFIG_ACS
7519
    if (!wpa_s->ap_iface)
7520
      break;
7521
    hostapd_acs_channel_selected(wpa_s->ap_iface->bss[0],
7522
               &data->acs_selected_channels);
7523
#endif /* CONFIG_ACS */
7524
#endif /* CONFIG_AP */
7525
0
    break;
7526
0
  case EVENT_P2P_LO_STOP:
7527
#ifdef CONFIG_P2P
7528
    wpa_s->p2p_lo_started = 0;
7529
    wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_LISTEN_OFFLOAD_STOP
7530
      P2P_LISTEN_OFFLOAD_STOP_REASON "reason=%d",
7531
      data->p2p_lo_stop.reason_code);
7532
#endif /* CONFIG_P2P */
7533
0
    break;
7534
0
  case EVENT_BEACON_LOSS:
7535
0
    if (!wpa_s->current_bss || !wpa_s->current_ssid)
7536
0
      break;
7537
0
    wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_BEACON_LOSS);
7538
0
    bgscan_notify_beacon_loss(wpa_s);
7539
0
    break;
7540
0
  case EVENT_EXTERNAL_AUTH:
7541
#ifdef CONFIG_SAE
7542
    if (!wpa_s->current_ssid) {
7543
      wpa_printf(MSG_DEBUG, "SAE: current_ssid is NULL");
7544
      break;
7545
    }
7546
    sme_external_auth_trigger(wpa_s, data);
7547
#endif /* CONFIG_SAE */
7548
0
    break;
7549
#ifdef CONFIG_PASN
7550
  case EVENT_PASN_AUTH:
7551
    wpas_pasn_auth_trigger(wpa_s, &data->pasn_auth);
7552
    break;
7553
#endif /* CONFIG_PASN */
7554
0
  case EVENT_PORT_AUTHORIZED:
7555
#ifdef CONFIG_AP
7556
    if (wpa_s->ap_iface && wpa_s->ap_iface->bss[0]) {
7557
      struct sta_info *sta;
7558
7559
      sta = ap_get_sta(wpa_s->ap_iface->bss[0],
7560
           data->port_authorized.sta_addr);
7561
      if (sta)
7562
        ap_sta_set_authorized(wpa_s->ap_iface->bss[0],
7563
                  sta, 1);
7564
      else
7565
        wpa_printf(MSG_DEBUG,
7566
             "No STA info matching port authorized event found");
7567
      break;
7568
    }
7569
#endif /* CONFIG_AP */
7570
0
#ifndef CONFIG_NO_WPA
7571
0
    if (data->port_authorized.td_bitmap_len) {
7572
0
      wpa_printf(MSG_DEBUG,
7573
0
           "WPA3: Transition Disable bitmap from the driver event: 0x%x",
7574
0
           data->port_authorized.td_bitmap[0]);
7575
0
      wpas_transition_disable(
7576
0
        wpa_s, data->port_authorized.td_bitmap[0]);
7577
0
    }
7578
0
#endif /* CONFIG_NO_WPA */
7579
0
    wpa_supplicant_event_port_authorized(wpa_s);
7580
0
    break;
7581
0
  case EVENT_STATION_OPMODE_CHANGED:
7582
#ifdef CONFIG_AP
7583
    if (!wpa_s->ap_iface || !data)
7584
      break;
7585
7586
    hostapd_event_sta_opmode_changed(wpa_s->ap_iface->bss[0],
7587
             data->sta_opmode.addr,
7588
             data->sta_opmode.smps_mode,
7589
             data->sta_opmode.chan_width,
7590
             data->sta_opmode.rx_nss);
7591
#endif /* CONFIG_AP */
7592
0
    break;
7593
0
  case EVENT_UNPROT_BEACON:
7594
0
    wpas_event_unprot_beacon(wpa_s, &data->unprot_beacon);
7595
0
    break;
7596
0
  case EVENT_TX_WAIT_EXPIRE:
7597
#ifdef CONFIG_DPP
7598
    wpas_dpp_tx_wait_expire(wpa_s);
7599
#endif /* CONFIG_DPP */
7600
0
    wpas_nan_usd_tx_wait_expire(wpa_s);
7601
0
    break;
7602
0
  case EVENT_TID_LINK_MAP:
7603
0
    if (data)
7604
0
      wpas_tid_link_map(wpa_s, &data->t2l_map_info);
7605
0
    break;
7606
0
  case EVENT_SETUP_LINK_RECONFIG:
7607
0
    if (data)
7608
0
      wpas_setup_link_reconfig(wpa_s, &data->reconfig_info);
7609
0
    break;
7610
#ifdef CONFIG_NAN
7611
  case EVENT_NAN_CLUSTER_JOIN:
7612
    wpas_nan_cluster_join(wpa_s, data->nan_cluster_join_info.bssid,
7613
              data->nan_cluster_join_info.new_cluster);
7614
    break;
7615
  case EVENT_NAN_NEXT_DW:
7616
    wpas_nan_next_dw(wpa_s, data->nan_next_dw_info.freq);
7617
    break;
7618
#endif /* CONFIG_NAN */
7619
0
  default:
7620
0
    wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
7621
0
    break;
7622
0
  }
7623
0
}
7624
7625
7626
void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
7627
         union wpa_event_data *data)
7628
0
{
7629
0
  struct wpa_supplicant *wpa_s;
7630
7631
0
  if (event != EVENT_INTERFACE_STATUS)
7632
0
    return;
7633
7634
0
  wpa_s = wpa_supplicant_get_iface(ctx, data->interface_status.ifname);
7635
0
  if (wpa_s && wpa_s->driver->get_ifindex) {
7636
0
    unsigned int ifindex;
7637
7638
0
    ifindex = wpa_s->driver->get_ifindex(wpa_s->drv_priv);
7639
0
    if (ifindex != data->interface_status.ifindex) {
7640
0
      wpa_dbg(wpa_s, MSG_DEBUG,
7641
0
        "interface status ifindex %d mismatch (%d)",
7642
0
        ifindex, data->interface_status.ifindex);
7643
0
      return;
7644
0
    }
7645
0
  }
7646
#ifdef CONFIG_MATCH_IFACE
7647
  else if (data->interface_status.ievent == EVENT_INTERFACE_ADDED) {
7648
    struct wpa_interface *wpa_i;
7649
7650
    wpa_i = wpa_supplicant_match_iface(
7651
      ctx, data->interface_status.ifname);
7652
    if (!wpa_i)
7653
      return;
7654
    wpa_s = wpa_supplicant_add_iface(ctx, wpa_i, NULL);
7655
    os_free(wpa_i);
7656
  }
7657
#endif /* CONFIG_MATCH_IFACE */
7658
7659
0
  if (wpa_s)
7660
0
    wpa_supplicant_event(wpa_s, event, data);
7661
0
}