wpa_supplicant/events.c

   1 /*
   2  * WPA Supplicant - Driver event processing
   3  * Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #include "includes.h"
  16
  17 #include "common.h"
  18 #include "eapol_supp/eapol_supp_sm.h"
  19 #include "rsn_supp/wpa.h"
  20 #include "eloop.h"
  21 #include "config.h"
  22 #include "l2_packet/l2_packet.h"
  23 #include "wpa_supplicant_i.h"
  24 #include "driver_i.h"
  25 #include "pcsc_funcs.h"
  26 #include "rsn_supp/preauth.h"
  27 #include "rsn_supp/pmksa_cache.h"
  28 #include "common/wpa_ctrl.h"
  29 #include "eap_peer/eap.h"
  30 #include "ap/hostapd.h"
  31 #include "notify.h"
  32 #include "common/ieee802_11_defs.h"
  33 #include "blacklist.h"
  34 #include "wpas_glue.h"
  35 #include "wps_supplicant.h"
  36 #include "ibss_rsn.h"
  37 #include "sme.h"
  38 #include "bgscan.h"
  39 #include "ap.h"
  40 #include "bss.h"
  41 #include "mlme.h"
  42 #include "scan.h"
  43
  44
  45 static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
  46 {
  47         struct wpa_ssid *ssid, *old_ssid;
  48
  49         if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid)
  50                 return 0;
  51
  52         wpa_printf(MSG_DEBUG, "Select network based on association "
  53                    "information");
  54         ssid = wpa_supplicant_get_ssid(wpa_s);
  55         if (ssid == NULL) {
  56                 wpa_printf(MSG_INFO, "No network configuration found for the "
  57                            "current AP");
  58                 return -1;
  59         }
  60
  61         if (ssid->disabled) {
  62                 wpa_printf(MSG_DEBUG, "Selected network is disabled");
  63                 return -1;
  64         }
  65
  66         wpa_printf(MSG_DEBUG, "Network configuration found for the current "
  67                    "AP");
  68         if (ssid->key_mgmt & (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X |
  69                               WPA_KEY_MGMT_WPA_NONE |
  70                               WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X |
  71                               WPA_KEY_MGMT_PSK_SHA256 |
  72                               WPA_KEY_MGMT_IEEE8021X_SHA256)) {
  73                 u8 wpa_ie[80];
  74                 size_t wpa_ie_len = sizeof(wpa_ie);
  75                 wpa_supplicant_set_suites(wpa_s, NULL, ssid,
  76                                           wpa_ie, &wpa_ie_len);
  77         } else {
  78                 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
  79         }
  80
  81         if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
  82                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
  83         old_ssid = wpa_s->current_ssid;
  84         wpa_s->current_ssid = ssid;
  85         wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
  86         wpa_supplicant_initiate_eapol(wpa_s);
  87         if (old_ssid != wpa_s->current_ssid)
  88                 wpas_notify_network_changed(wpa_s);
  89
  90         return 0;
  91 }
  92
  93
  94 static void wpa_supplicant_stop_countermeasures(void *eloop_ctx,
  95                                                 void *sock_ctx)
  96 {
  97         struct wpa_supplicant *wpa_s = eloop_ctx;
  98
  99         if (wpa_s->countermeasures) {
 100                 wpa_s->countermeasures = 0;
 101                 wpa_drv_set_countermeasures(wpa_s, 0);
 102                 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
 103                 wpa_supplicant_req_scan(wpa_s, 0, 0);
 104         }
 105 }
 106
 107
 108 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
 109 {
 110         int bssid_changed;
 111
 112         wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
 113         bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
 114         os_memset(wpa_s->bssid, 0, ETH_ALEN);
 115         os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
 116         wpa_s->current_bss = NULL;
 117         if (bssid_changed)
 118                 wpas_notify_bssid_changed(wpa_s);
 119
 120         eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
 121         eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
 122         if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
 123                 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
 124         wpa_s->ap_ies_from_associnfo = 0;
 125 }
 126
 127
 128 static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
 129 {
 130         struct wpa_ie_data ie;
 131         int pmksa_set = -1;
 132         size_t i;
 133
 134         if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
 135             ie.pmkid == NULL)
 136                 return;
 137
 138         for (i = 0; i < ie.num_pmkid; i++) {
 139                 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
 140                                                     ie.pmkid + i * PMKID_LEN,
 141                                                     NULL, NULL, 0);
 142                 if (pmksa_set == 0) {
 143                         eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1);
 144                         break;
 145                 }
 146         }
 147
 148         wpa_printf(MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from PMKSA "
 149                    "cache", pmksa_set == 0 ? "" : "not ");
 150 }
 151
 152
 153 static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
 154                                                  union wpa_event_data *data)
 155 {
 156         if (data == NULL) {
 157                 wpa_printf(MSG_DEBUG, "RSN: No data in PMKID candidate event");
 158                 return;
 159         }
 160         wpa_printf(MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
 161                    " index=%d preauth=%d",
 162                    MAC2STR(data->pmkid_candidate.bssid),
 163                    data->pmkid_candidate.index,
 164                    data->pmkid_candidate.preauth);
 165
 166         pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
 167                             data->pmkid_candidate.index,
 168                             data->pmkid_candidate.preauth);
 169 }
 170
 171
 172 static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
 173 {
 174         if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
 175             wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
 176                 return 0;
 177
 178 #ifdef IEEE8021X_EAPOL
 179         if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
 180             wpa_s->current_ssid &&
 181             !(wpa_s->current_ssid->eapol_flags &
 182               (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
 183                EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
 184                 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
 185                  * plaintext or static WEP keys). */
 186                 return 0;
 187         }
 188 #endif /* IEEE8021X_EAPOL */
 189
 190         return 1;
 191 }
 192
 193
 194 /**
 195  * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
 196  * @wpa_s: pointer to wpa_supplicant data
 197  * @ssid: Configuration data for the network
 198  * Returns: 0 on success, -1 on failure
 199  *
 200  * This function is called when starting authentication with a network that is
 201  * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
 202  */
 203 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
 204                               struct wpa_ssid *ssid)
 205 {
 206 #ifdef IEEE8021X_EAPOL
 207         int aka = 0, sim = 0, type;
 208
 209         if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL)
 210                 return 0;
 211
 212         if (ssid->eap.eap_methods == NULL) {
 213                 sim = 1;
 214                 aka = 1;
 215         } else {
 216                 struct eap_method_type *eap = ssid->eap.eap_methods;
 217                 while (eap->vendor != EAP_VENDOR_IETF ||
 218                        eap->method != EAP_TYPE_NONE) {
 219                         if (eap->vendor == EAP_VENDOR_IETF) {
 220                                 if (eap->method == EAP_TYPE_SIM)
 221                                         sim = 1;
 222                                 else if (eap->method == EAP_TYPE_AKA)
 223                                         aka = 1;
 224                         }
 225                         eap++;
 226                 }
 227         }
 228
 229         if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
 230                 sim = 0;
 231         if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL)
 232                 aka = 0;
 233
 234         if (!sim && !aka) {
 235                 wpa_printf(MSG_DEBUG, "Selected network is configured to use "
 236                            "SIM, but neither EAP-SIM nor EAP-AKA are enabled");
 237                 return 0;
 238         }
 239
 240         wpa_printf(MSG_DEBUG, "Selected network is configured to use SIM "
 241                    "(sim=%d aka=%d) - initialize PCSC", sim, aka);
 242         if (sim && aka)
 243                 type = SCARD_TRY_BOTH;
 244         else if (aka)
 245                 type = SCARD_USIM_ONLY;
 246         else
 247                 type = SCARD_GSM_SIM_ONLY;
 248
 249         wpa_s->scard = scard_init(type);
 250         if (wpa_s->scard == NULL) {
 251                 wpa_printf(MSG_WARNING, "Failed to initialize SIM "
 252                            "(pcsc-lite)");
 253                 return -1;
 254         }
 255         wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
 256         eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
 257 #endif /* IEEE8021X_EAPOL */
 258
 259         return 0;
 260 }
 261
 262
 263 #ifndef CONFIG_NO_SCAN_PROCESSING
 264 static int wpa_supplicant_match_privacy(struct wpa_scan_res *bss,
 265                                         struct wpa_ssid *ssid)
 266 {
 267         int i, privacy = 0;
 268
 269         if (ssid->mixed_cell)
 270                 return 1;
 271
 272 #ifdef CONFIG_WPS
 273         if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
 274                 return 1;
 275 #endif /* CONFIG_WPS */
 276
 277         for (i = 0; i < NUM_WEP_KEYS; i++) {
 278                 if (ssid->wep_key_len[i]) {
 279                         privacy = 1;
 280                         break;
 281                 }
 282         }
 283 #ifdef IEEE8021X_EAPOL
 284         if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
 285             ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
 286                                  EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
 287                 privacy = 1;
 288 #endif /* IEEE8021X_EAPOL */
 289
 290         if (bss->caps & IEEE80211_CAP_PRIVACY)
 291                 return privacy;
 292         return !privacy;
 293 }
 294
 295
 296 static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
 297                                          struct wpa_ssid *ssid,
 298                                          struct wpa_scan_res *bss)
 299 {
 300         struct wpa_ie_data ie;
 301         int proto_match = 0;
 302         const u8 *rsn_ie, *wpa_ie;
 303         int ret;
 304
 305         ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
 306         if (ret >= 0)
 307                 return ret;
 308
 309         rsn_ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
 310         while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
 311                 proto_match++;
 312
 313                 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
 314                         wpa_printf(MSG_DEBUG, "   skip RSN IE - parse failed");
 315                         break;
 316                 }
 317                 if (!(ie.proto & ssid->proto)) {
 318                         wpa_printf(MSG_DEBUG, "   skip RSN IE - proto "
 319                                    "mismatch");
 320                         break;
 321                 }
 322
 323                 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
 324                         wpa_printf(MSG_DEBUG, "   skip RSN IE - PTK cipher "
 325                                    "mismatch");
 326                         break;
 327                 }
 328
 329                 if (!(ie.group_cipher & ssid->group_cipher)) {
 330                         wpa_printf(MSG_DEBUG, "   skip RSN IE - GTK cipher "
 331                                    "mismatch");
 332                         break;
 333                 }
 334
 335                 if (!(ie.key_mgmt & ssid->key_mgmt)) {
 336                         wpa_printf(MSG_DEBUG, "   skip RSN IE - key mgmt "
 337                                    "mismatch");
 338                         break;
 339                 }
 340
 341 #ifdef CONFIG_IEEE80211W
 342                 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
 343                     ssid->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) {
 344                         wpa_printf(MSG_DEBUG, "   skip RSN IE - no mgmt frame "
 345                                    "protection");
 346                         break;
 347                 }
 348 #endif /* CONFIG_IEEE80211W */
 349
 350                 wpa_printf(MSG_DEBUG, "   selected based on RSN IE");
 351                 return 1;
 352         }
 353
 354         wpa_ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
 355         while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
 356                 proto_match++;
 357
 358                 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
 359                         wpa_printf(MSG_DEBUG, "   skip WPA IE - parse failed");
 360                         break;
 361                 }
 362                 if (!(ie.proto & ssid->proto)) {
 363                         wpa_printf(MSG_DEBUG, "   skip WPA IE - proto "
 364                                    "mismatch");
 365                         break;
 366                 }
 367
 368                 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
 369                         wpa_printf(MSG_DEBUG, "   skip WPA IE - PTK cipher "
 370                                    "mismatch");
 371                         break;
 372                 }
 373
 374                 if (!(ie.group_cipher & ssid->group_cipher)) {
 375                         wpa_printf(MSG_DEBUG, "   skip WPA IE - GTK cipher "
 376                                    "mismatch");
 377                         break;
 378                 }
 379
 380                 if (!(ie.key_mgmt & ssid->key_mgmt)) {
 381                         wpa_printf(MSG_DEBUG, "   skip WPA IE - key mgmt "
 382                                    "mismatch");
 383                         break;
 384                 }
 385
 386                 wpa_printf(MSG_DEBUG, "   selected based on WPA IE");
 387                 return 1;
 388         }
 389
 390         if (proto_match == 0)
 391                 wpa_printf(MSG_DEBUG, "   skip - no WPA/RSN proto match");
 392
 393         return 0;
 394 }
 395
 396
 397 static int freq_allowed(int *freqs, int freq)
 398 {
 399         int i;
 400
 401         if (freqs == NULL)
 402                 return 1;
 403
 404         for (i = 0; freqs[i]; i++)
 405                 if (freqs[i] == freq)
 406                         return 1;
 407         return 0;
 408 }
 409
 410
 411 static struct wpa_bss *
 412 wpa_supplicant_select_bss_wpa(struct wpa_supplicant *wpa_s,
 413                               struct wpa_scan_results *scan_res,
 414                               struct wpa_ssid *group,
 415                               struct wpa_ssid **selected_ssid)
 416 {
 417         struct wpa_ssid *ssid;
 418         struct wpa_scan_res *bss;
 419         size_t i;
 420         struct wpa_blacklist *e;
 421         const u8 *ie;
 422
 423         wpa_printf(MSG_DEBUG, "Try to find WPA-enabled AP");
 424         for (i = 0; i < scan_res->num; i++) {
 425                 const u8 *ssid_;
 426                 u8 wpa_ie_len, rsn_ie_len, ssid_len;
 427                 bss = scan_res->res[i];
 428
 429                 ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
 430                 ssid_ = ie ? ie + 2 : (u8 *) "";
 431                 ssid_len = ie ? ie[1] : 0;
 432
 433                 ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
 434                 wpa_ie_len = ie ? ie[1] : 0;
 435
 436                 ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
 437                 rsn_ie_len = ie ? ie[1] : 0;
 438
 439                 wpa_printf(MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
 440                            "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x",
 441                            (int) i, MAC2STR(bss->bssid),
 442                            wpa_ssid_txt(ssid_, ssid_len),
 443                            wpa_ie_len, rsn_ie_len, bss->caps);
 444
 445                 e = wpa_blacklist_get(wpa_s, bss->bssid);
 446                 if (e && e->count > 1) {
 447                         wpa_printf(MSG_DEBUG, "   skip - blacklisted");
 448                         continue;
 449                 }
 450
 451                 if (ssid_len == 0) {
 452                         wpa_printf(MSG_DEBUG, "   skip - SSID not known");
 453                         continue;
 454                 }
 455
 456                 if (wpa_ie_len == 0 && rsn_ie_len == 0) {
 457                         wpa_printf(MSG_DEBUG, "   skip - no WPA/RSN IE");
 458                         continue;
 459                 }
 460
 461                 for (ssid = group; ssid; ssid = ssid->pnext) {
 462                         int check_ssid = 1;
 463
 464                         if (ssid->disabled) {
 465                                 wpa_printf(MSG_DEBUG, "   skip - disabled");
 466                                 continue;
 467                         }
 468
 469 #ifdef CONFIG_WPS
 470                         if (ssid->ssid_len == 0 &&
 471                             wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
 472                                 check_ssid = 0;
 473 #endif /* CONFIG_WPS */
 474
 475                         if (check_ssid &&
 476                             (ssid_len != ssid->ssid_len ||
 477                              os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) {
 478                                 wpa_printf(MSG_DEBUG, "   skip - "
 479                                            "SSID mismatch");
 480                                 continue;
 481                         }
 482
 483                         if (ssid->bssid_set &&
 484                             os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0)
 485                         {
 486                                 wpa_printf(MSG_DEBUG, "   skip - "
 487                                            "BSSID mismatch");
 488                                 continue;
 489                         }
 490
 491                         if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss))
 492                                 continue;
 493
 494                         if (!freq_allowed(ssid->freq_list, bss->freq)) {
 495                                 wpa_printf(MSG_DEBUG, "   skip - "
 496                                            "frequency not allowed");
 497                                 continue;
 498                         }
 499
 500                         wpa_printf(MSG_DEBUG, "   selected WPA AP "
 501                                    MACSTR " ssid='%s'",
 502                                    MAC2STR(bss->bssid),
 503                                    wpa_ssid_txt(ssid_, ssid_len));
 504                         *selected_ssid = ssid;
 505                         return wpa_bss_get(wpa_s, bss->bssid, ssid_, ssid_len);
 506                 }
 507         }
 508
 509         return NULL;
 510 }
 511
 512
 513 static struct wpa_bss *
 514 wpa_supplicant_select_bss_non_wpa(struct wpa_supplicant *wpa_s,
 515                                   struct wpa_scan_results *scan_res,
 516                                   struct wpa_ssid *group,
 517                                   struct wpa_ssid **selected_ssid)
 518 {
 519         struct wpa_ssid *ssid;
 520         struct wpa_scan_res *bss;
 521         size_t i;
 522         struct wpa_blacklist *e;
 523         const u8 *ie;
 524
 525         wpa_printf(MSG_DEBUG, "Try to find non-WPA AP");
 526         for (i = 0; i < scan_res->num; i++) {
 527                 const u8 *ssid_;
 528                 u8 wpa_ie_len, rsn_ie_len, ssid_len;
 529                 bss = scan_res->res[i];
 530
 531                 ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
 532                 ssid_ = ie ? ie + 2 : (u8 *) "";
 533                 ssid_len = ie ? ie[1] : 0;
 534
 535                 ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
 536                 wpa_ie_len = ie ? ie[1] : 0;
 537
 538                 ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
 539                 rsn_ie_len = ie ? ie[1] : 0;
 540
 541                 wpa_printf(MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
 542                            "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x",
 543                            (int) i, MAC2STR(bss->bssid),
 544                            wpa_ssid_txt(ssid_, ssid_len),
 545                            wpa_ie_len, rsn_ie_len, bss->caps);
 546
 547                 e = wpa_blacklist_get(wpa_s, bss->bssid);
 548                 if (e && e->count > 1) {
 549                         wpa_printf(MSG_DEBUG, "   skip - blacklisted");
 550                         continue;
 551                 }
 552
 553                 if (ssid_len == 0) {
 554                         wpa_printf(MSG_DEBUG, "   skip - SSID not known");
 555                         continue;
 556                 }
 557
 558                 for (ssid = group; ssid; ssid = ssid->pnext) {
 559                         int check_ssid = ssid->ssid_len != 0;
 560
 561                         if (ssid->disabled) {
 562                                 wpa_printf(MSG_DEBUG, "   skip - disabled");
 563                                 continue;
 564                         }
 565
 566 #ifdef CONFIG_WPS
 567                         if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
 568                                 /* Only allow wildcard SSID match if an AP
 569                                  * advertises active WPS operation that matches
 570                                  * with our mode. */
 571                                 check_ssid = 1;
 572                                 if (ssid->ssid_len == 0 &&
 573                                     wpas_wps_ssid_wildcard_ok(wpa_s, ssid,
 574                                                               bss))
 575                                         check_ssid = 0;
 576                         }
 577 #endif /* CONFIG_WPS */
 578
 579                         if (check_ssid &&
 580                             (ssid_len != ssid->ssid_len ||
 581                              os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) {
 582                                 wpa_printf(MSG_DEBUG, "   skip - "
 583                                            "SSID mismatch");
 584                                 continue;
 585                         }
 586
 587                         if (ssid->bssid_set &&
 588                             os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0)
 589                         {
 590                                 wpa_printf(MSG_DEBUG, "   skip - "
 591                                            "BSSID mismatch");
 592                                 continue;
 593                         }
 594
 595                         if (!(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
 596                             !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
 597                             !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA))
 598                         {
 599                                 wpa_printf(MSG_DEBUG, "   skip - "
 600                                            "non-WPA network not allowed");
 601                                 continue;
 602                         }
 603
 604                         if ((ssid->key_mgmt &
 605                              (WPA_KEY_MGMT_IEEE8021X | WPA_KEY_MGMT_PSK |
 606                               WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_FT_PSK |
 607                               WPA_KEY_MGMT_IEEE8021X_SHA256 |
 608                               WPA_KEY_MGMT_PSK_SHA256)) &&
 609                             (wpa_ie_len != 0 || rsn_ie_len != 0)) {
 610                                 wpa_printf(MSG_DEBUG, "   skip - "
 611                                            "WPA network");
 612                                 continue;
 613                         }
 614
 615                         if (!wpa_supplicant_match_privacy(bss, ssid)) {
 616                                 wpa_printf(MSG_DEBUG, "   skip - "
 617                                            "privacy mismatch");
 618                                 continue;
 619                         }
 620
 621                         if (bss->caps & IEEE80211_CAP_IBSS) {
 622                                 wpa_printf(MSG_DEBUG, "   skip - "
 623                                            "IBSS (adhoc) network");
 624                                 continue;
 625                         }
 626
 627                         if (!freq_allowed(ssid->freq_list, bss->freq)) {
 628                                 wpa_printf(MSG_DEBUG, "   skip - "
 629                                            "frequency not allowed");
 630                                 continue;
 631                         }
 632
 633                         wpa_printf(MSG_DEBUG, "   selected non-WPA AP "
 634                                    MACSTR " ssid='%s'",
 635                                    MAC2STR(bss->bssid),
 636                                    wpa_ssid_txt(ssid_, ssid_len));
 637                         *selected_ssid = ssid;
 638                         return wpa_bss_get(wpa_s, bss->bssid, ssid_, ssid_len);
 639                 }
 640         }
 641
 642         return NULL;
 643 }
 644
 645
 646 static struct wpa_bss *
 647 wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
 648                           struct wpa_scan_results *scan_res,
 649                           struct wpa_ssid *group,
 650                           struct wpa_ssid **selected_ssid)
 651 {
 652         struct wpa_bss *selected;
 653
 654         wpa_printf(MSG_DEBUG, "Selecting BSS from priority group %d",
 655                    group->priority);
 656
 657         /* First, try to find WPA-enabled AP */
 658         selected = wpa_supplicant_select_bss_wpa(wpa_s, scan_res, group,
 659                                                  selected_ssid);
 660         if (selected)
 661                 return selected;
 662
 663         /* If no WPA-enabled AP found, try to find non-WPA AP, if configuration
 664          * allows this. */
 665         return wpa_supplicant_select_bss_non_wpa(wpa_s, scan_res, group,
 666                                                  selected_ssid);
 667 }
 668
 669
 670 static struct wpa_bss *
 671 wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
 672                             struct wpa_scan_results *scan_res,
 673                             struct wpa_ssid **selected_ssid)
 674 {
 675         struct wpa_bss *selected = NULL;
 676         int prio;
 677
 678         while (selected == NULL) {
 679                 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
 680                         selected = wpa_supplicant_select_bss(
 681                                 wpa_s, scan_res, wpa_s->conf->pssid[prio],
 682                                 selected_ssid);
 683                         if (selected)
 684                                 break;
 685                 }
 686
 687                 if (selected == NULL && wpa_s->blacklist) {
 688                         wpa_printf(MSG_DEBUG, "No APs found - clear blacklist "
 689                                    "and try again");
 690                         wpa_blacklist_clear(wpa_s);
 691                         wpa_s->blacklist_cleared++;
 692                 } else if (selected == NULL)
 693                         break;
 694         }
 695
 696         return selected;
 697 }
 698
 699
 700 static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
 701                                         int timeout_sec, int timeout_usec)
 702 {
 703         if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1) {
 704                 /*
 705                  * Quick recovery if the initial scan results were not
 706                  * complete when fetched before the first scan request.
 707                  */
 708                 wpa_s->scan_res_tried++;
 709                 timeout_sec = 0;
 710                 timeout_usec = 0;
 711         } else if (!wpa_supplicant_enabled_networks(wpa_s->conf)) {
 712                 /*
 713                  * No networks are enabled; short-circuit request so
 714                  * we don't wait timeout seconds before transitioning
 715                  * to INACTIVE state.
 716                  */
 717                 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 718                 return;
 719         }
 720         wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
 721 }
 722
 723
 724 void wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
 725                             struct wpa_bss *selected,
 726                             struct wpa_ssid *ssid)
 727 {
 728         if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
 729                 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
 730                         "PBC session overlap");
 731                 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
 732                 return;
 733         }
 734
 735         /*
 736          * Do not trigger new association unless the BSSID has changed or if
 737          * reassociation is requested. If we are in process of associating with
 738          * the selected BSSID, do not trigger new attempt.
 739          */
 740         if (wpa_s->reassociate ||
 741             (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
 742              (wpa_s->wpa_state != WPA_ASSOCIATING ||
 743               os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
 744               0))) {
 745                 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
 746                         wpa_supplicant_req_new_scan(wpa_s, 10, 0);
 747                         return;
 748                 }
 749                 wpa_supplicant_associate(wpa_s, selected, ssid);
 750         } else {
 751                 wpa_printf(MSG_DEBUG, "Already associated with the selected "
 752                            "AP");
 753         }
 754 }
 755
 756
 757 static struct wpa_ssid *
 758 wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
 759 {
 760         int prio;
 761         struct wpa_ssid *ssid;
 762
 763         for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
 764                 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
 765                 {
 766                         if (ssid->disabled)
 767                                 continue;
 768                         if (ssid->mode == IEEE80211_MODE_IBSS ||
 769                             ssid->mode == IEEE80211_MODE_AP)
 770                                 return ssid;
 771                 }
 772         }
 773         return NULL;
 774 }
 775
 776
 777 /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
 778  * on BSS added and BSS changed events */
 779 static void wpa_supplicant_rsn_preauth_scan_results(
 780         struct wpa_supplicant *wpa_s, struct wpa_scan_results *scan_res)
 781 {
 782         int i;
 783
 784         if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
 785                 return;
 786
 787         for (i = scan_res->num - 1; i >= 0; i--) {
 788                 const u8 *ssid, *rsn;
 789                 struct wpa_scan_res *r;
 790
 791                 r = scan_res->res[i];
 792
 793                 ssid = wpa_scan_get_ie(r, WLAN_EID_SSID);
 794                 if (ssid == NULL)
 795                         continue;
 796
 797                 rsn = wpa_scan_get_ie(r, WLAN_EID_RSN);
 798                 if (rsn == NULL)
 799                         continue;
 800
 801                 rsn_preauth_scan_result(wpa_s->wpa, r->bssid, ssid, rsn);
 802         }
 803
 804 }
 805
 806
 807 static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
 808                                        struct wpa_bss *selected,
 809                                        struct wpa_ssid *ssid,
 810                                        struct wpa_scan_results *scan_res)
 811 {
 812         size_t i;
 813         struct wpa_scan_res *current_bss = NULL;
 814         int min_diff;
 815
 816         if (wpa_s->reassociate)
 817                 return 1; /* explicit request to reassociate */
 818         if (wpa_s->wpa_state < WPA_ASSOCIATED)
 819                 return 1; /* we are not associated; continue */
 820         if (wpa_s->current_ssid == NULL)
 821                 return 1; /* unknown current SSID */
 822         if (wpa_s->current_ssid != ssid)
 823                 return 1; /* different network block */
 824
 825         for (i = 0; i < scan_res->num; i++) {
 826                 struct wpa_scan_res *res = scan_res->res[i];
 827                 const u8 *ie;
 828                 if (os_memcmp(res->bssid, wpa_s->bssid, ETH_ALEN) != 0)
 829                         continue;
 830
 831                 ie = wpa_scan_get_ie(res, WLAN_EID_SSID);
 832                 if (ie == NULL)
 833                         continue;
 834                 if (ie[1] != wpa_s->current_ssid->ssid_len ||
 835                     os_memcmp(ie + 2, wpa_s->current_ssid->ssid, ie[1]) != 0)
 836                         continue;
 837                 current_bss = res;
 838                 break;
 839         }
 840
 841         if (!current_bss)
 842                 return 1; /* current BSS not seen in scan results */
 843
 844         wpa_printf(MSG_DEBUG, "Considering within-ESS reassociation");
 845         wpa_printf(MSG_DEBUG, "Current BSS: " MACSTR " level=%d",
 846                    MAC2STR(current_bss->bssid), current_bss->level);
 847         wpa_printf(MSG_DEBUG, "Selected BSS: " MACSTR " level=%d",
 848                    MAC2STR(selected->bssid), selected->level);
 849
 850         if (wpa_s->current_ssid->bssid_set &&
 851             os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
 852             0) {
 853                 wpa_printf(MSG_DEBUG, "Allow reassociation - selected BSS has "
 854                            "preferred BSSID");
 855                 return 1;
 856         }
 857
 858         min_diff = 2;
 859         if (current_bss->level < 0) {
 860                 if (current_bss->level < -85)
 861                         min_diff = 1;
 862                 else if (current_bss->level < -80)
 863                         min_diff = 2;
 864                 else if (current_bss->level < -75)
 865                         min_diff = 3;
 866                 else if (current_bss->level < -70)
 867                         min_diff = 4;
 868                 else
 869                         min_diff = 5;
 870         }
 871         if (abs(current_bss->level - selected->level) < min_diff) {
 872                 wpa_printf(MSG_DEBUG, "Skip roam - too small difference in "
 873                            "signal level");
 874                 return 0;
 875         }
 876
 877         return 1;
 878 }
 879
 880
 881 static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
 882                                               union wpa_event_data *data)
 883 {
 884         struct wpa_bss *selected;
 885         struct wpa_ssid *ssid = NULL;
 886         struct wpa_scan_results *scan_res;
 887
 888         wpa_supplicant_notify_scanning(wpa_s, 0);
 889
 890         scan_res = wpa_supplicant_get_scan_results(wpa_s,
 891                                                    data ? &data->scan_info :
 892                                                    NULL, 1);
 893         if (scan_res == NULL) {
 894                 if (wpa_s->conf->ap_scan == 2)
 895                         return;
 896                 wpa_printf(MSG_DEBUG, "Failed to get scan results - try "
 897                            "scanning again");
 898                 wpa_supplicant_req_new_scan(wpa_s, 1, 0);
 899                 return;
 900         }
 901
 902         /*
 903          * Don't post the results if this was the initial cached
 904          * and there were no results.
 905          */
 906         if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1 &&
 907             scan_res->num == 0) {
 908                 wpa_msg(wpa_s, MSG_DEBUG, "Cached scan results are "
 909                         "empty - not posting");
 910         } else {
 911                 wpa_printf(MSG_DEBUG, "New scan results available");
 912                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
 913                 wpas_notify_scan_results(wpa_s);
 914         }
 915
 916         wpas_notify_scan_done(wpa_s, 1);
 917
 918         if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) {
 919                 wpa_scan_results_free(scan_res);
 920                 return;
 921         }
 922
 923         if (wpa_s->disconnected) {
 924                 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
 925                 wpa_scan_results_free(scan_res);
 926                 return;
 927         }
 928
 929         if (bgscan_notify_scan(wpa_s) == 1) {
 930                 wpa_scan_results_free(scan_res);
 931                 return;
 932         }
 933
 934         wpa_supplicant_rsn_preauth_scan_results(wpa_s, scan_res);
 935
 936         selected = wpa_supplicant_pick_network(wpa_s, scan_res, &ssid);
 937
 938         if (selected) {
 939                 int skip;
 940                 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid,
 941                                                     scan_res);
 942                 wpa_scan_results_free(scan_res);
 943                 if (skip)
 944                         return;
 945                 wpa_supplicant_connect(wpa_s, selected, ssid);
 946         } else {
 947                 wpa_scan_results_free(scan_res);
 948                 wpa_printf(MSG_DEBUG, "No suitable network found");
 949                 ssid = wpa_supplicant_pick_new_network(wpa_s);
 950                 if (ssid) {
 951                         wpa_printf(MSG_DEBUG, "Setup a new network");
 952                         wpa_supplicant_associate(wpa_s, NULL, ssid);
 953                 } else {
 954                         int timeout_sec = 5;
 955                         int timeout_usec = 0;
 956                         wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
 957                                                     timeout_usec);
 958                 }
 959         }
 960 }
 961 #endif /* CONFIG_NO_SCAN_PROCESSING */
 962
 963
 964 static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
 965                                           union wpa_event_data *data)
 966 {
 967         int l, len, found = 0, wpa_found, rsn_found;
 968         const u8 *p;
 969
 970         wpa_printf(MSG_DEBUG, "Association info event");
 971         if (data->assoc_info.req_ies)
 972                 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
 973                             data->assoc_info.req_ies_len);
 974         if (data->assoc_info.resp_ies)
 975                 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
 976                             data->assoc_info.resp_ies_len);
 977         if (data->assoc_info.beacon_ies)
 978                 wpa_hexdump(MSG_DEBUG, "beacon_ies",
 979                             data->assoc_info.beacon_ies,
 980                             data->assoc_info.beacon_ies_len);
 981         if (data->assoc_info.freq)
 982                 wpa_printf(MSG_DEBUG, "freq=%u MHz", data->assoc_info.freq);
 983
 984         p = data->assoc_info.req_ies;
 985         l = data->assoc_info.req_ies_len;
 986
 987         /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
 988         while (p && l >= 2) {
 989                 len = p[1] + 2;
 990                 if (len > l) {
 991                         wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
 992                                     p, l);
 993                         break;
 994                 }
 995                 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
 996                      (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
 997                     (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
 998                         if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
 999                                 break;
1000                         found = 1;
1001                         wpa_find_assoc_pmkid(wpa_s);
1002                         break;
1003                 }
1004                 l -= len;
1005                 p += len;
1006         }
1007         if (!found && data->assoc_info.req_ies)
1008                 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
1009
1010 #ifdef CONFIG_IEEE80211R
1011 #ifdef CONFIG_SME
1012         if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
1013                 u8 bssid[ETH_ALEN];
1014                 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
1015                     wpa_ft_validate_reassoc_resp(wpa_s->wpa,
1016                                                  data->assoc_info.resp_ies,
1017                                                  data->assoc_info.resp_ies_len,
1018                                                  bssid) < 0) {
1019                         wpa_printf(MSG_DEBUG, "FT: Validation of "
1020                                    "Reassociation Response failed");
1021                         wpa_supplicant_deauthenticate(
1022                                 wpa_s, WLAN_REASON_INVALID_IE);
1023                         return -1;
1024                 }
1025         }
1026
1027         p = data->assoc_info.resp_ies;
1028         l = data->assoc_info.resp_ies_len;
1029
1030         /* Go through the IEs and make a copy of the MDIE, if present. */
1031         while (p && l >= 2) {
1032                 len = p[1] + 2;
1033                 if (len > l) {
1034                         wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
1035                                     p, l);
1036                         break;
1037                 }
1038                 if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
1039                     p[1] >= MOBILITY_DOMAIN_ID_LEN) {
1040                         wpa_s->sme.ft_used = 1;
1041                         os_memcpy(wpa_s->sme.mobility_domain, p + 2,
1042                                   MOBILITY_DOMAIN_ID_LEN);
1043                         break;
1044                 }
1045                 l -= len;
1046                 p += len;
1047         }
1048 #endif /* CONFIG_SME */
1049
1050         wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
1051                              data->assoc_info.resp_ies_len);
1052 #endif /* CONFIG_IEEE80211R */
1053
1054         /* WPA/RSN IE from Beacon/ProbeResp */
1055         p = data->assoc_info.beacon_ies;
1056         l = data->assoc_info.beacon_ies_len;
1057
1058         /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
1059          */
1060         wpa_found = rsn_found = 0;
1061         while (p && l >= 2) {
1062                 len = p[1] + 2;
1063                 if (len > l) {
1064                         wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
1065                                     p, l);
1066                         break;
1067                 }
1068                 if (!wpa_found &&
1069                     p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1070                     os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
1071                         wpa_found = 1;
1072                         wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
1073                 }
1074
1075                 if (!rsn_found &&
1076                     p[0] == WLAN_EID_RSN && p[1] >= 2) {
1077                         rsn_found = 1;
1078                         wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
1079                 }
1080
1081                 l -= len;
1082                 p += len;
1083         }
1084
1085         if (!wpa_found && data->assoc_info.beacon_ies)
1086                 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
1087         if (!rsn_found && data->assoc_info.beacon_ies)
1088                 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
1089         if (wpa_found || rsn_found)
1090                 wpa_s->ap_ies_from_associnfo = 1;
1091
1092         wpa_s->assoc_freq = data->assoc_info.freq;
1093
1094         return 0;
1095 }
1096
1097
1098 static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
1099                                        union wpa_event_data *data)
1100 {
1101         u8 bssid[ETH_ALEN];
1102         int ft_completed;
1103         int bssid_changed;
1104         struct wpa_driver_capa capa;
1105
1106 #ifdef CONFIG_AP
1107         if (wpa_s->ap_iface) {
1108                 hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
1109                                     data->assoc_info.addr,
1110                                     data->assoc_info.req_ies,
1111                                     data->assoc_info.req_ies_len);
1112                 return;
1113         }
1114 #endif /* CONFIG_AP */
1115
1116         ft_completed = wpa_ft_is_completed(wpa_s->wpa);
1117         if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
1118                 return;
1119
1120         wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
1121         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
1122                 os_memcpy(bssid, wpa_s->bssid, ETH_ALEN);
1123         if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) ||
1124             (wpa_drv_get_bssid(wpa_s, bssid) >= 0 &&
1125              os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0)) {
1126                 wpa_msg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
1127                         MACSTR, MAC2STR(bssid));
1128                 bssid_changed = os_memcmp(wpa_s->bssid, bssid, ETH_ALEN);
1129                 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
1130                 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
1131                 if (bssid_changed)
1132                         wpas_notify_bssid_changed(wpa_s);
1133
1134                 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
1135                         wpa_clear_keys(wpa_s, bssid);
1136                 }
1137                 if (wpa_supplicant_select_config(wpa_s) < 0) {
1138                         wpa_supplicant_disassociate(
1139                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1140                         return;
1141                 }
1142                 if (wpa_s->current_ssid) {
1143                         struct wpa_bss *bss = NULL;
1144                         struct wpa_ssid *ssid = wpa_s->current_ssid;
1145                         if (ssid->ssid_len > 0)
1146                                 bss = wpa_bss_get(wpa_s, bssid,
1147                                                   ssid->ssid, ssid->ssid_len);
1148                         if (!bss)
1149                                 bss = wpa_bss_get_bssid(wpa_s, bssid);
1150                         if (bss)
1151                                 wpa_s->current_bss = bss;
1152                 }
1153         }
1154
1155 #ifdef CONFIG_SME
1156         os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
1157         wpa_s->sme.prev_bssid_set = 1;
1158 #endif /* CONFIG_SME */
1159
1160         wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
1161         if (wpa_s->current_ssid) {
1162                 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
1163                  * initialized before association, but for other modes,
1164                  * initialize PC/SC here, if the current configuration needs
1165                  * smartcard or SIM/USIM. */
1166                 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
1167         }
1168         wpa_sm_notify_assoc(wpa_s->wpa, bssid);
1169         l2_packet_notify_auth_start(wpa_s->l2);
1170
1171         /*
1172          * Set portEnabled first to FALSE in order to get EAP state machine out
1173          * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
1174          * state machine may transit to AUTHENTICATING state based on obsolete
1175          * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
1176          * AUTHENTICATED without ever giving chance to EAP state machine to
1177          * reset the state.
1178          */
1179         if (!ft_completed) {
1180                 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
1181                 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
1182         }
1183         if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed)
1184                 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
1185         /* 802.1X::portControl = Auto */
1186         eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
1187         wpa_s->eapol_received = 0;
1188         if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
1189             wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
1190             (wpa_s->current_ssid &&
1191              wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
1192                 wpa_supplicant_cancel_auth_timeout(wpa_s);
1193                 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1194         } else if (!ft_completed) {
1195                 /* Timeout for receiving the first EAPOL packet */
1196                 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
1197         }
1198         wpa_supplicant_cancel_scan(wpa_s);
1199
1200         if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
1201             wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
1202                 /*
1203                  * We are done; the driver will take care of RSN 4-way
1204                  * handshake.
1205                  */
1206                 wpa_supplicant_cancel_auth_timeout(wpa_s);
1207                 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1208                 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1209                 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
1210         }
1211
1212         if (wpa_s->pending_eapol_rx) {
1213                 struct os_time now, age;
1214                 os_get_time(&now);
1215                 os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
1216                 if (age.sec == 0 && age.usec < 100000 &&
1217                     os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
1218                     0) {
1219                         wpa_printf(MSG_DEBUG, "Process pending EAPOL frame "
1220                                    "that was received just before association "
1221                                    "notification");
1222                         wpa_supplicant_rx_eapol(
1223                                 wpa_s, wpa_s->pending_eapol_rx_src,
1224                                 wpabuf_head(wpa_s->pending_eapol_rx),
1225                                 wpabuf_len(wpa_s->pending_eapol_rx));
1226                 }
1227                 wpabuf_free(wpa_s->pending_eapol_rx);
1228                 wpa_s->pending_eapol_rx = NULL;
1229         }
1230
1231 #ifdef CONFIG_BGSCAN
1232         if (wpa_s->current_ssid != wpa_s->bgscan_ssid) {
1233                 bgscan_deinit(wpa_s);
1234                 if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan) {
1235                         if (bgscan_init(wpa_s, wpa_s->current_ssid)) {
1236                                 wpa_printf(MSG_DEBUG, "Failed to initialize "
1237                                            "bgscan");
1238                                 /*
1239                                  * Live without bgscan; it is only used as a
1240                                  * roaming optimization, so the initial
1241                                  * connection is not affected.
1242                                  */
1243                         } else
1244                                 wpa_s->bgscan_ssid = wpa_s->current_ssid;
1245                 } else
1246                         wpa_s->bgscan_ssid = NULL;
1247         }
1248 #endif /* CONFIG_BGSCAN */
1249
1250         if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
1251              wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
1252             wpa_s->current_ssid && wpa_drv_get_capa(wpa_s, &capa) == 0 &&
1253             capa.flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE) {
1254                 /* Set static WEP keys again */
1255                 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
1256         }
1257 }
1258
1259
1260 static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s)
1261 {
1262         const u8 *bssid;
1263 #ifdef CONFIG_SME
1264         int authenticating;
1265         u8 prev_pending_bssid[ETH_ALEN];
1266
1267         authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
1268         os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
1269 #endif /* CONFIG_SME */
1270
1271         if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
1272                 /*
1273                  * At least Host AP driver and a Prism3 card seemed to be
1274                  * generating streams of disconnected events when configuring
1275                  * IBSS for WPA-None. Ignore them for now.
1276                  */
1277                 wpa_printf(MSG_DEBUG, "Disconnect event - ignore in "
1278                            "IBSS/WPA-None mode");
1279                 return;
1280         }
1281
1282         if (wpa_s->wpa_state == WPA_4WAY_HANDSHAKE &&
1283             wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
1284                 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
1285                         "pre-shared key may be incorrect");
1286         }
1287         if (wpa_s->wpa_state >= WPA_ASSOCIATED)
1288                 wpa_supplicant_req_scan(wpa_s, 0, 100000);
1289         bssid = wpa_s->bssid;
1290         if (is_zero_ether_addr(bssid))
1291                 bssid = wpa_s->pending_bssid;
1292         wpa_blacklist_add(wpa_s, bssid);
1293         wpa_sm_notify_disassoc(wpa_s->wpa);
1294         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "- Disconnect event - "
1295                 "remove keys");
1296         if (wpa_supplicant_dynamic_keys(wpa_s)) {
1297                 wpa_s->keys_cleared = 0;
1298                 wpa_clear_keys(wpa_s, wpa_s->bssid);
1299         }
1300         wpa_supplicant_mark_disassoc(wpa_s);
1301         bgscan_deinit(wpa_s);
1302 #ifdef CONFIG_SME
1303         if (authenticating &&
1304             (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
1305                 /*
1306                  * mac80211-workaround to force deauth on failed auth cmd,
1307                  * requires us to remain in authenticating state to allow the
1308                  * second authentication attempt to be continued properly.
1309                  */
1310                 wpa_printf(MSG_DEBUG, "SME: Allow pending authentication to "
1311                            "proceed after disconnection event");
1312                 wpa_supplicant_set_state(wpa_s, WPA_AUTHENTICATING);
1313                 os_memcpy(wpa_s->pending_bssid, prev_pending_bssid, ETH_ALEN);
1314         }
1315 #endif /* CONFIG_SME */
1316 }
1317
1318
1319 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
1320 static void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx,
1321                                                     void *sock_ctx)
1322 {
1323         struct wpa_supplicant *wpa_s = eloop_ctx;
1324
1325         if (!wpa_s->pending_mic_error_report)
1326                 return;
1327
1328         wpa_printf(MSG_DEBUG, "WPA: Sending pending MIC error report");
1329         wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
1330         wpa_s->pending_mic_error_report = 0;
1331 }
1332 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
1333
1334
1335 static void
1336 wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
1337                                          union wpa_event_data *data)
1338 {
1339         int pairwise;
1340         struct os_time t;
1341
1342         wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
1343         pairwise = (data && data->michael_mic_failure.unicast);
1344         os_get_time(&t);
1345         if ((wpa_s->last_michael_mic_error &&
1346              t.sec - wpa_s->last_michael_mic_error <= 60) ||
1347             wpa_s->pending_mic_error_report) {
1348                 if (wpa_s->pending_mic_error_report) {
1349                         /*
1350                          * Send the pending MIC error report immediately since
1351                          * we are going to start countermeasures and AP better
1352                          * do the same.
1353                          */
1354                         wpa_sm_key_request(wpa_s->wpa, 1,
1355                                            wpa_s->pending_mic_error_pairwise);
1356                 }
1357
1358                 /* Send the new MIC error report immediately since we are going
1359                  * to start countermeasures and AP better do the same.
1360                  */
1361                 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1362
1363                 /* initialize countermeasures */
1364                 wpa_s->countermeasures = 1;
1365                 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
1366
1367                 /*
1368                  * Need to wait for completion of request frame. We do not get
1369                  * any callback for the message completion, so just wait a
1370                  * short while and hope for the best. */
1371                 os_sleep(0, 10000);
1372
1373                 wpa_drv_set_countermeasures(wpa_s, 1);
1374                 wpa_supplicant_deauthenticate(wpa_s,
1375                                               WLAN_REASON_MICHAEL_MIC_FAILURE);
1376                 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
1377                                      wpa_s, NULL);
1378                 eloop_register_timeout(60, 0,
1379                                        wpa_supplicant_stop_countermeasures,
1380                                        wpa_s, NULL);
1381                 /* TODO: mark the AP rejected for 60 second. STA is
1382                  * allowed to associate with another AP.. */
1383         } else {
1384 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
1385                 if (wpa_s->mic_errors_seen) {
1386                         /*
1387                          * Reduce the effectiveness of Michael MIC error
1388                          * reports as a means for attacking against TKIP if
1389                          * more than one MIC failure is noticed with the same
1390                          * PTK. We delay the transmission of the reports by a
1391                          * random time between 0 and 60 seconds in order to
1392                          * force the attacker wait 60 seconds before getting
1393                          * the information on whether a frame resulted in a MIC
1394                          * failure.
1395                          */
1396                         u8 rval[4];
1397                         int sec;
1398
1399                         if (os_get_random(rval, sizeof(rval)) < 0)
1400                                 sec = os_random() % 60;
1401                         else
1402                                 sec = WPA_GET_BE32(rval) % 60;
1403                         wpa_printf(MSG_DEBUG, "WPA: Delay MIC error report %d "
1404                                    "seconds", sec);
1405                         wpa_s->pending_mic_error_report = 1;
1406                         wpa_s->pending_mic_error_pairwise = pairwise;
1407                         eloop_cancel_timeout(
1408                                 wpa_supplicant_delayed_mic_error_report,
1409                                 wpa_s, NULL);
1410                         eloop_register_timeout(
1411                                 sec, os_random() % 1000000,
1412                                 wpa_supplicant_delayed_mic_error_report,
1413                                 wpa_s, NULL);
1414                 } else {
1415                         wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1416                 }
1417 #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
1418                 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1419 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
1420         }
1421         wpa_s->last_michael_mic_error = t.sec;
1422         wpa_s->mic_errors_seen++;
1423 }
1424
1425
1426 #ifdef CONFIG_TERMINATE_ONLASTIF
1427 static int any_interfaces(struct wpa_supplicant *head)
1428 {
1429         struct wpa_supplicant *wpa_s;
1430
1431         for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
1432                 if (!wpa_s->interface_removed)
1433                         return 1;
1434         return 0;
1435 }
1436 #endif /* CONFIG_TERMINATE_ONLASTIF */
1437
1438
1439 static void
1440 wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
1441                                       union wpa_event_data *data)
1442 {
1443         if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
1444                 return;
1445
1446         switch (data->interface_status.ievent) {
1447         case EVENT_INTERFACE_ADDED:
1448                 if (!wpa_s->interface_removed)
1449                         break;
1450                 wpa_s->interface_removed = 0;
1451                 wpa_printf(MSG_DEBUG, "Configured interface was added.");
1452                 if (wpa_supplicant_driver_init(wpa_s) < 0) {
1453                         wpa_printf(MSG_INFO, "Failed to initialize the driver "
1454                                    "after interface was added.");
1455                 }
1456                 break;
1457         case EVENT_INTERFACE_REMOVED:
1458                 wpa_printf(MSG_DEBUG, "Configured interface was removed.");
1459                 wpa_s->interface_removed = 1;
1460                 wpa_supplicant_mark_disassoc(wpa_s);
1461                 l2_packet_deinit(wpa_s->l2);
1462                 wpa_s->l2 = NULL;
1463 #ifdef CONFIG_TERMINATE_ONLASTIF
1464                 /* check if last interface */
1465                 if (!any_interfaces(wpa_s->global->ifaces))
1466                         eloop_terminate();
1467 #endif /* CONFIG_TERMINATE_ONLASTIF */
1468                 break;
1469         }
1470 }
1471
1472
1473 #ifdef CONFIG_PEERKEY
1474 static void
1475 wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
1476                               union wpa_event_data *data)
1477 {
1478         if (data == NULL)
1479                 return;
1480         wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer);
1481 }
1482 #endif /* CONFIG_PEERKEY */
1483
1484
1485 #ifdef CONFIG_IEEE80211R
1486 static void
1487 wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
1488                                  union wpa_event_data *data)
1489 {
1490         if (data == NULL)
1491                 return;
1492
1493         if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
1494                                     data->ft_ies.ies_len,
1495                                     data->ft_ies.ft_action,
1496                                     data->ft_ies.target_ap,
1497                                     data->ft_ies.ric_ies,
1498                                     data->ft_ies.ric_ies_len) < 0) {
1499                 /* TODO: prevent MLME/driver from trying to associate? */
1500         }
1501 }
1502 #endif /* CONFIG_IEEE80211R */
1503
1504
1505 #ifdef CONFIG_IBSS_RSN
1506 static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
1507                                                 union wpa_event_data *data)
1508 {
1509         if (data == NULL)
1510                 return;
1511         ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
1512 }
1513 #endif /* CONFIG_IBSS_RSN */
1514
1515
1516 #ifdef CONFIG_IEEE80211R
1517 static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
1518                          size_t len)
1519 {
1520         const u8 *sta_addr, *target_ap_addr;
1521         u16 status;
1522
1523         wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
1524         if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
1525                 return; /* only SME case supported for now */
1526         if (len < 1 + 2 * ETH_ALEN + 2)
1527                 return;
1528         if (data[0] != 2)
1529                 return; /* Only FT Action Response is supported for now */
1530         sta_addr = data + 1;
1531         target_ap_addr = data + 1 + ETH_ALEN;
1532         status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
1533         wpa_printf(MSG_DEBUG, "FT: Received FT Action Response: STA " MACSTR
1534                    " TargetAP " MACSTR " status %u",
1535                    MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
1536
1537         if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
1538                 wpa_printf(MSG_DEBUG, "FT: Foreign STA Address " MACSTR
1539                            " in FT Action Response", MAC2STR(sta_addr));
1540                 return;
1541         }
1542
1543         if (status) {
1544                 wpa_printf(MSG_DEBUG, "FT: FT Action Response indicates "
1545                            "failure (status code %d)", status);
1546                 /* TODO: report error to FT code(?) */
1547                 return;
1548         }
1549
1550         if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
1551                                     len - (1 + 2 * ETH_ALEN + 2), 1,
1552                                     target_ap_addr, NULL, 0) < 0)
1553                 return;
1554
1555 #ifdef CONFIG_SME
1556         {
1557                 struct wpa_bss *bss;
1558                 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
1559                 if (bss)
1560                         wpa_s->sme.freq = bss->freq;
1561                 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
1562                 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
1563                               WLAN_AUTH_FT);
1564         }
1565 #endif /* CONFIG_SME */
1566 }
1567 #endif /* CONFIG_IEEE80211R */
1568
1569
1570 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
1571                           union wpa_event_data *data)
1572 {
1573         struct wpa_supplicant *wpa_s = ctx;
1574
1575         switch (event) {
1576         case EVENT_AUTH:
1577                 sme_event_auth(wpa_s, data);
1578                 break;
1579         case EVENT_ASSOC:
1580                 wpa_supplicant_event_assoc(wpa_s, data);
1581                 break;
1582         case EVENT_DISASSOC:
1583                 wpa_printf(MSG_DEBUG, "Disassociation notification");
1584 #ifdef CONFIG_AP
1585                 if (wpa_s->ap_iface && data) {
1586                         hostapd_notif_disassoc(wpa_s->ap_iface->bss[0],
1587                                                data->disassoc_info.addr);
1588                         break;
1589                 }
1590 #endif /* CONFIG_AP */
1591                 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
1592                         sme_event_disassoc(wpa_s, data);
1593                 /* fall through */
1594         case EVENT_DEAUTH:
1595                 if (event == EVENT_DEAUTH)
1596                         wpa_printf(MSG_DEBUG, "Deauthentication notification");
1597 #ifdef CONFIG_AP
1598                 if (wpa_s->ap_iface && data) {
1599                         hostapd_notif_disassoc(wpa_s->ap_iface->bss[0],
1600                                                data->deauth_info.addr);
1601                         break;
1602                 }
1603 #endif /* CONFIG_AP */
1604                 wpa_supplicant_event_disassoc(wpa_s);
1605                 break;
1606         case EVENT_MICHAEL_MIC_FAILURE:
1607                 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
1608                 break;
1609 #ifndef CONFIG_NO_SCAN_PROCESSING
1610         case EVENT_SCAN_RESULTS:
1611                 wpa_supplicant_event_scan_results(wpa_s, data);
1612                 break;
1613 #endif /* CONFIG_NO_SCAN_PROCESSING */
1614         case EVENT_ASSOCINFO:
1615                 wpa_supplicant_event_associnfo(wpa_s, data);
1616                 break;
1617         case EVENT_INTERFACE_STATUS:
1618                 wpa_supplicant_event_interface_status(wpa_s, data);
1619                 break;
1620         case EVENT_PMKID_CANDIDATE:
1621                 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
1622                 break;
1623 #ifdef CONFIG_PEERKEY
1624         case EVENT_STKSTART:
1625                 wpa_supplicant_event_stkstart(wpa_s, data);
1626                 break;
1627 #endif /* CONFIG_PEERKEY */
1628 #ifdef CONFIG_IEEE80211R
1629         case EVENT_FT_RESPONSE:
1630                 wpa_supplicant_event_ft_response(wpa_s, data);
1631                 break;
1632 #endif /* CONFIG_IEEE80211R */
1633 #ifdef CONFIG_IBSS_RSN
1634         case EVENT_IBSS_RSN_START:
1635                 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
1636                 break;
1637 #endif /* CONFIG_IBSS_RSN */
1638         case EVENT_ASSOC_REJECT:
1639                 sme_event_assoc_reject(wpa_s, data);
1640                 break;
1641         case EVENT_AUTH_TIMED_OUT:
1642                 sme_event_auth_timed_out(wpa_s, data);
1643                 break;
1644         case EVENT_ASSOC_TIMED_OUT:
1645                 sme_event_assoc_timed_out(wpa_s, data);
1646                 break;
1647 #ifdef CONFIG_AP
1648         case EVENT_TX_STATUS:
1649                 if (wpa_s->ap_iface == NULL)
1650                         break;
1651                 switch (data->tx_status.type) {
1652                 case WLAN_FC_TYPE_MGMT:
1653                         ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
1654                                       data->tx_status.data_len,
1655                                       data->tx_status.stype,
1656                                       data->tx_status.ack);
1657                         break;
1658                 case WLAN_FC_TYPE_DATA:
1659                         ap_tx_status(wpa_s, data->tx_status.dst,
1660                                      data->tx_status.data,
1661                                      data->tx_status.data_len,
1662                                      data->tx_status.ack);
1663                         break;
1664                 }
1665                 break;
1666         case EVENT_RX_FROM_UNKNOWN:
1667                 if (wpa_s->ap_iface == NULL)
1668                         break;
1669                 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.frame,
1670                                        data->rx_from_unknown.len);
1671                 break;
1672         case EVENT_RX_MGMT:
1673                 if (wpa_s->ap_iface == NULL)
1674                         break;
1675                 ap_mgmt_rx(wpa_s, &data->rx_mgmt);
1676                 break;
1677 #endif /* CONFIG_AP */
1678         case EVENT_RX_ACTION:
1679                 wpa_printf(MSG_DEBUG, "Received Action frame: SA=" MACSTR
1680                            " Category=%u DataLen=%d freq=%d MHz",
1681                            MAC2STR(data->rx_action.sa),
1682                            data->rx_action.category, (int) data->rx_action.len,
1683                            data->rx_action.freq);
1684 #ifdef CONFIG_IEEE80211R
1685                 if (data->rx_action.category == WLAN_ACTION_FT) {
1686                         ft_rx_action(wpa_s, data->rx_action.data,
1687                                      data->rx_action.len);
1688                         break;
1689                 }
1690 #endif /* CONFIG_IEEE80211R */
1691                 break;
1692 #ifdef CONFIG_CLIENT_MLME
1693         case EVENT_MLME_RX: {
1694                 struct ieee80211_rx_status rx_status;
1695                 os_memset(&rx_status, 0, sizeof(rx_status));
1696                 rx_status.freq = data->mlme_rx.freq;
1697                 rx_status.channel = data->mlme_rx.channel;
1698                 rx_status.ssi = data->mlme_rx.ssi;
1699                 ieee80211_sta_rx(wpa_s, data->mlme_rx.buf, data->mlme_rx.len,
1700                                  &rx_status);
1701                 break;
1702         }
1703 #endif /* CONFIG_CLIENT_MLME */
1704         case EVENT_EAPOL_RX:
1705                 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
1706                                         data->eapol_rx.data,
1707                                         data->eapol_rx.data_len);
1708                 break;
1709         case EVENT_SIGNAL_CHANGE:
1710                 bgscan_notify_signal_change(
1711                         wpa_s, data->signal_change.above_threshold);
1712                 break;
1713         default:
1714                 wpa_printf(MSG_INFO, "Unknown event %d", event);
1715                 break;
1716         }
1717 }