wpa_supplicant/events.c

   1 /*
   2  * WPA Supplicant - Driver event processing
   3  * Copyright (c) 2003-2008, 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 "wpa.h"
  20 #include "eloop.h"
  21 #include "drivers/driver.h"
  22 #include "config.h"
  23 #include "l2_packet/l2_packet.h"
  24 #include "wpa_supplicant_i.h"
  25 #include "pcsc_funcs.h"
  26 #include "preauth.h"
  27 #include "pmksa_cache.h"
  28 #include "wpa_ctrl.h"
  29 #include "eap_peer/eap.h"
  30 #include "ctrl_iface_dbus.h"
  31 #include "ieee802_11_defs.h"
  32 #include "blacklist.h"
  33 #include "wpas_glue.h"
  34 #include "wps_supplicant.h"
  35
  36
  37 static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
  38 {
  39         struct wpa_ssid *ssid;
  40
  41         if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid)
  42                 return 0;
  43
  44         wpa_printf(MSG_DEBUG, "Select network based on association "
  45                    "information");
  46         ssid = wpa_supplicant_get_ssid(wpa_s);
  47         if (ssid == NULL) {
  48                 wpa_printf(MSG_INFO, "No network configuration found for the "
  49                            "current AP");
  50                 return -1;
  51         }
  52
  53         if (ssid->disabled) {
  54                 wpa_printf(MSG_DEBUG, "Selected network is disabled");
  55                 return -1;
  56         }
  57
  58         wpa_printf(MSG_DEBUG, "Network configuration found for the current "
  59                    "AP");
  60         if (ssid->key_mgmt & (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X |
  61                               WPA_KEY_MGMT_WPA_NONE |
  62                               WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X |
  63                               WPA_KEY_MGMT_PSK_SHA256 |
  64                               WPA_KEY_MGMT_IEEE8021X_SHA256)) {
  65                 u8 wpa_ie[80];
  66                 size_t wpa_ie_len = sizeof(wpa_ie);
  67                 wpa_supplicant_set_suites(wpa_s, NULL, ssid,
  68                                           wpa_ie, &wpa_ie_len);
  69         } else {
  70                 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
  71         }
  72
  73         if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
  74                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
  75         wpa_s->current_ssid = ssid;
  76         wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
  77         wpa_supplicant_initiate_eapol(wpa_s);
  78
  79         return 0;
  80 }
  81
  82
  83 static void wpa_supplicant_stop_countermeasures(void *eloop_ctx,
  84                                                 void *sock_ctx)
  85 {
  86         struct wpa_supplicant *wpa_s = eloop_ctx;
  87
  88         if (wpa_s->countermeasures) {
  89                 wpa_s->countermeasures = 0;
  90                 wpa_drv_set_countermeasures(wpa_s, 0);
  91                 wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
  92                 wpa_supplicant_req_scan(wpa_s, 0, 0);
  93         }
  94 }
  95
  96
  97 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
  98 {
  99         wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
 100         os_memset(wpa_s->bssid, 0, ETH_ALEN);
 101         os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
 102         eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
 103         eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
 104         if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
 105                 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
 106         wpa_s->ap_ies_from_associnfo = 0;
 107 }
 108
 109
 110 static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
 111 {
 112         struct wpa_ie_data ie;
 113         int pmksa_set = -1;
 114         size_t i;
 115
 116         if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
 117             ie.pmkid == NULL)
 118                 return;
 119
 120         for (i = 0; i < ie.num_pmkid; i++) {
 121                 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
 122                                                     ie.pmkid + i * PMKID_LEN,
 123                                                     NULL, NULL, 0);
 124                 if (pmksa_set == 0) {
 125                         eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1);
 126                         break;
 127                 }
 128         }
 129
 130         wpa_printf(MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from PMKSA "
 131                    "cache", pmksa_set == 0 ? "" : "not ");
 132 }
 133
 134
 135 static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
 136                                                  union wpa_event_data *data)
 137 {
 138         if (data == NULL) {
 139                 wpa_printf(MSG_DEBUG, "RSN: No data in PMKID candidate event");
 140                 return;
 141         }
 142         wpa_printf(MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
 143                    " index=%d preauth=%d",
 144                    MAC2STR(data->pmkid_candidate.bssid),
 145                    data->pmkid_candidate.index,
 146                    data->pmkid_candidate.preauth);
 147
 148         pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
 149                             data->pmkid_candidate.index,
 150                             data->pmkid_candidate.preauth);
 151 }
 152
 153
 154 static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
 155 {
 156         if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
 157             wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
 158                 return 0;
 159
 160 #ifdef IEEE8021X_EAPOL
 161         if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
 162             wpa_s->current_ssid &&
 163             !(wpa_s->current_ssid->eapol_flags &
 164               (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
 165                EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
 166                 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
 167                  * plaintext or static WEP keys). */
 168                 return 0;
 169         }
 170 #endif /* IEEE8021X_EAPOL */
 171
 172         return 1;
 173 }
 174
 175
 176 /**
 177  * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
 178  * @wpa_s: pointer to wpa_supplicant data
 179  * @ssid: Configuration data for the network
 180  * Returns: 0 on success, -1 on failure
 181  *
 182  * This function is called when starting authentication with a network that is
 183  * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
 184  */
 185 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
 186                               struct wpa_ssid *ssid)
 187 {
 188 #ifdef IEEE8021X_EAPOL
 189         int aka = 0, sim = 0, type;
 190
 191         if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL)
 192                 return 0;
 193
 194         if (ssid->eap.eap_methods == NULL) {
 195                 sim = 1;
 196                 aka = 1;
 197         } else {
 198                 struct eap_method_type *eap = ssid->eap.eap_methods;
 199                 while (eap->vendor != EAP_VENDOR_IETF ||
 200                        eap->method != EAP_TYPE_NONE) {
 201                         if (eap->vendor == EAP_VENDOR_IETF) {
 202                                 if (eap->method == EAP_TYPE_SIM)
 203                                         sim = 1;
 204                                 else if (eap->method == EAP_TYPE_AKA)
 205                                         aka = 1;
 206                         }
 207                         eap++;
 208                 }
 209         }
 210
 211         if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
 212                 sim = 0;
 213         if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL)
 214                 aka = 0;
 215
 216         if (!sim && !aka) {
 217                 wpa_printf(MSG_DEBUG, "Selected network is configured to use "
 218                            "SIM, but neither EAP-SIM nor EAP-AKA are enabled");
 219                 return 0;
 220         }
 221
 222         wpa_printf(MSG_DEBUG, "Selected network is configured to use SIM "
 223                    "(sim=%d aka=%d) - initialize PCSC", sim, aka);
 224         if (sim && aka)
 225                 type = SCARD_TRY_BOTH;
 226         else if (aka)
 227                 type = SCARD_USIM_ONLY;
 228         else
 229                 type = SCARD_GSM_SIM_ONLY;
 230
 231         wpa_s->scard = scard_init(type);
 232         if (wpa_s->scard == NULL) {
 233                 wpa_printf(MSG_WARNING, "Failed to initialize SIM "
 234                            "(pcsc-lite)");
 235                 return -1;
 236         }
 237         wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
 238         eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
 239 #endif /* IEEE8021X_EAPOL */
 240
 241         return 0;
 242 }
 243
 244
 245 #ifndef CONFIG_NO_SCAN_PROCESSING
 246 static int wpa_supplicant_match_privacy(struct wpa_scan_res *bss,
 247                                         struct wpa_ssid *ssid)
 248 {
 249         int i, privacy = 0;
 250
 251         if (ssid->mixed_cell)
 252                 return 1;
 253
 254 #ifdef CONFIG_WPS
 255         if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
 256                 return 1;
 257 #endif /* CONFIG_WPS */
 258
 259         for (i = 0; i < NUM_WEP_KEYS; i++) {
 260                 if (ssid->wep_key_len[i]) {
 261                         privacy = 1;
 262                         break;
 263                 }
 264         }
 265 #ifdef IEEE8021X_EAPOL
 266         if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
 267             ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
 268                                  EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
 269                 privacy = 1;
 270 #endif /* IEEE8021X_EAPOL */
 271
 272         if (bss->caps & IEEE80211_CAP_PRIVACY)
 273                 return privacy;
 274         return !privacy;
 275 }
 276
 277
 278 static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
 279                                          struct wpa_ssid *ssid,
 280                                          struct wpa_scan_res *bss)
 281 {
 282         struct wpa_ie_data ie;
 283         int proto_match = 0;
 284         const u8 *rsn_ie, *wpa_ie;
 285         int ret;
 286
 287         ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
 288         if (ret >= 0)
 289                 return ret;
 290
 291         rsn_ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
 292         while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
 293                 proto_match++;
 294
 295                 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
 296                         wpa_printf(MSG_DEBUG, "   skip RSN IE - parse failed");
 297                         break;
 298                 }
 299                 if (!(ie.proto & ssid->proto)) {
 300                         wpa_printf(MSG_DEBUG, "   skip RSN IE - proto "
 301                                    "mismatch");
 302                         break;
 303                 }
 304
 305                 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
 306                         wpa_printf(MSG_DEBUG, "   skip RSN IE - PTK cipher "
 307                                    "mismatch");
 308                         break;
 309                 }
 310
 311                 if (!(ie.group_cipher & ssid->group_cipher)) {
 312                         wpa_printf(MSG_DEBUG, "   skip RSN IE - GTK cipher "
 313                                    "mismatch");
 314                         break;
 315                 }
 316
 317                 if (!(ie.key_mgmt & ssid->key_mgmt)) {
 318                         wpa_printf(MSG_DEBUG, "   skip RSN IE - key mgmt "
 319                                    "mismatch");
 320                         break;
 321                 }
 322
 323 #ifdef CONFIG_IEEE80211W
 324                 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
 325                     ssid->ieee80211w == IEEE80211W_REQUIRED) {
 326                         wpa_printf(MSG_DEBUG, "   skip RSN IE - no mgmt frame "
 327                                    "protection");
 328                         break;
 329                 }
 330 #endif /* CONFIG_IEEE80211W */
 331
 332                 wpa_printf(MSG_DEBUG, "   selected based on RSN IE");
 333                 return 1;
 334         }
 335
 336         wpa_ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
 337         while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
 338                 proto_match++;
 339
 340                 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
 341                         wpa_printf(MSG_DEBUG, "   skip WPA IE - parse failed");
 342                         break;
 343                 }
 344                 if (!(ie.proto & ssid->proto)) {
 345                         wpa_printf(MSG_DEBUG, "   skip WPA IE - proto "
 346                                    "mismatch");
 347                         break;
 348                 }
 349
 350                 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
 351                         wpa_printf(MSG_DEBUG, "   skip WPA IE - PTK cipher "
 352                                    "mismatch");
 353                         break;
 354                 }
 355
 356                 if (!(ie.group_cipher & ssid->group_cipher)) {
 357                         wpa_printf(MSG_DEBUG, "   skip WPA IE - GTK cipher "
 358                                    "mismatch");
 359                         break;
 360                 }
 361
 362                 if (!(ie.key_mgmt & ssid->key_mgmt)) {
 363                         wpa_printf(MSG_DEBUG, "   skip WPA IE - key mgmt "
 364                                    "mismatch");
 365                         break;
 366                 }
 367
 368                 wpa_printf(MSG_DEBUG, "   selected based on WPA IE");
 369                 return 1;
 370         }
 371
 372         if (proto_match == 0)
 373                 wpa_printf(MSG_DEBUG, "   skip - no WPA/RSN proto match");
 374
 375         return 0;
 376 }
 377
 378
 379 static struct wpa_scan_res *
 380 wpa_supplicant_select_bss_wpa(struct wpa_supplicant *wpa_s,
 381                               struct wpa_ssid *group,
 382                               struct wpa_ssid **selected_ssid)
 383 {
 384         struct wpa_ssid *ssid;
 385         struct wpa_scan_res *bss;
 386         size_t i;
 387         struct wpa_blacklist *e;
 388         const u8 *ie;
 389
 390         wpa_printf(MSG_DEBUG, "Try to find WPA-enabled AP");
 391         for (i = 0; i < wpa_s->scan_res->num; i++) {
 392                 const u8 *ssid_;
 393                 u8 wpa_ie_len, rsn_ie_len, ssid_len;
 394                 bss = wpa_s->scan_res->res[i];
 395
 396                 ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
 397                 ssid_ = ie ? ie + 2 : (u8 *) "";
 398                 ssid_len = ie ? ie[1] : 0;
 399
 400                 ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
 401                 wpa_ie_len = ie ? ie[1] : 0;
 402
 403                 ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
 404                 rsn_ie_len = ie ? ie[1] : 0;
 405
 406                 wpa_printf(MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
 407                            "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x",
 408                            (int) i, MAC2STR(bss->bssid),
 409                            wpa_ssid_txt(ssid_, ssid_len),
 410                            wpa_ie_len, rsn_ie_len, bss->caps);
 411
 412                 e = wpa_blacklist_get(wpa_s, bss->bssid);
 413                 if (e && e->count > 1) {
 414                         wpa_printf(MSG_DEBUG, "   skip - blacklisted");
 415                         continue;
 416                 }
 417
 418                 if (wpa_ie_len == 0 && rsn_ie_len == 0) {
 419                         wpa_printf(MSG_DEBUG, "   skip - no WPA/RSN IE");
 420                         continue;
 421                 }
 422
 423                 for (ssid = group; ssid; ssid = ssid->pnext) {
 424                         int check_ssid = 1;
 425
 426                         if (ssid->disabled) {
 427                                 wpa_printf(MSG_DEBUG, "   skip - disabled");
 428                                 continue;
 429                         }
 430
 431 #ifdef CONFIG_WPS
 432                         if (ssid->ssid_len == 0 &&
 433                             wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
 434                                 check_ssid = 0;
 435 #endif /* CONFIG_WPS */
 436
 437                         if (check_ssid &&
 438                             (ssid_len != ssid->ssid_len ||
 439                              os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) {
 440                                 wpa_printf(MSG_DEBUG, "   skip - "
 441                                            "SSID mismatch");
 442                                 continue;
 443                         }
 444
 445                         if (ssid->bssid_set &&
 446                             os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0)
 447                         {
 448                                 wpa_printf(MSG_DEBUG, "   skip - "
 449                                            "BSSID mismatch");
 450                                 continue;
 451                         }
 452
 453                         if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss))
 454                                 continue;
 455
 456                         wpa_printf(MSG_DEBUG, "   selected WPA AP "
 457                                    MACSTR " ssid='%s'",
 458                                    MAC2STR(bss->bssid),
 459                                    wpa_ssid_txt(ssid_, ssid_len));
 460                         *selected_ssid = ssid;
 461                         return bss;
 462                 }
 463         }
 464
 465         return NULL;
 466 }
 467
 468
 469 static struct wpa_scan_res *
 470 wpa_supplicant_select_bss_non_wpa(struct wpa_supplicant *wpa_s,
 471                                   struct wpa_ssid *group,
 472                                   struct wpa_ssid **selected_ssid)
 473 {
 474         struct wpa_ssid *ssid;
 475         struct wpa_scan_res *bss;
 476         size_t i;
 477         struct wpa_blacklist *e;
 478         const u8 *ie;
 479
 480         wpa_printf(MSG_DEBUG, "Try to find non-WPA AP");
 481         for (i = 0; i < wpa_s->scan_res->num; i++) {
 482                 const u8 *ssid_;
 483                 u8 wpa_ie_len, rsn_ie_len, ssid_len;
 484                 bss = wpa_s->scan_res->res[i];
 485
 486                 ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
 487                 ssid_ = ie ? ie + 2 : (u8 *) "";
 488                 ssid_len = ie ? ie[1] : 0;
 489
 490                 ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
 491                 wpa_ie_len = ie ? ie[1] : 0;
 492
 493                 ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
 494                 rsn_ie_len = ie ? ie[1] : 0;
 495
 496                 wpa_printf(MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
 497                            "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x",
 498                            (int) i, MAC2STR(bss->bssid),
 499                            wpa_ssid_txt(ssid_, ssid_len),
 500                            wpa_ie_len, rsn_ie_len, bss->caps);
 501
 502                 e = wpa_blacklist_get(wpa_s, bss->bssid);
 503                 if (e && e->count > 1) {
 504                         wpa_printf(MSG_DEBUG, "   skip - blacklisted");
 505                         continue;
 506                 }
 507
 508                 for (ssid = group; ssid; ssid = ssid->pnext) {
 509                         int check_ssid = ssid->ssid_len != 0;
 510
 511                         if (ssid->disabled) {
 512                                 wpa_printf(MSG_DEBUG, "   skip - disabled");
 513                                 continue;
 514                         }
 515
 516 #ifdef CONFIG_WPS
 517                         if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
 518                                 /* Only allow wildcard SSID match if an AP
 519                                  * advertises active WPS operation that matches
 520                                  * with our mode. */
 521                                 check_ssid = 1;
 522                                 if (ssid->ssid_len == 0 &&
 523                                     wpas_wps_ssid_wildcard_ok(wpa_s, ssid,
 524                                                               bss))
 525                                         check_ssid = 0;
 526                         }
 527 #endif /* CONFIG_WPS */
 528
 529                         if (check_ssid &&
 530                             (ssid_len != ssid->ssid_len ||
 531                              os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) {
 532                                 wpa_printf(MSG_DEBUG, "   skip - "
 533                                            "SSID mismatch");
 534                                 continue;
 535                         }
 536
 537                         if (ssid->bssid_set &&
 538                             os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0)
 539                         {
 540                                 wpa_printf(MSG_DEBUG, "   skip - "
 541                                            "BSSID mismatch");
 542                                 continue;
 543                         }
 544
 545                         if (!(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
 546                             !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
 547                             !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA))
 548                         {
 549                                 wpa_printf(MSG_DEBUG, "   skip - "
 550                                            "non-WPA network not allowed");
 551                                 continue;
 552                         }
 553
 554                         if ((ssid->key_mgmt &
 555                              (WPA_KEY_MGMT_IEEE8021X | WPA_KEY_MGMT_PSK |
 556                               WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_FT_PSK |
 557                               WPA_KEY_MGMT_IEEE8021X_SHA256 |
 558                               WPA_KEY_MGMT_PSK_SHA256)) &&
 559                             (wpa_ie_len != 0 || rsn_ie_len != 0)) {
 560                                 wpa_printf(MSG_DEBUG, "   skip - "
 561                                            "WPA network");
 562                                 continue;
 563                         }
 564
 565                         if (!wpa_supplicant_match_privacy(bss, ssid)) {
 566                                 wpa_printf(MSG_DEBUG, "   skip - "
 567                                            "privacy mismatch");
 568                                 continue;
 569                         }
 570
 571                         if (bss->caps & IEEE80211_CAP_IBSS) {
 572                                 wpa_printf(MSG_DEBUG, "   skip - "
 573                                            "IBSS (adhoc) network");
 574                                 continue;
 575                         }
 576
 577                         wpa_printf(MSG_DEBUG, "   selected non-WPA AP "
 578                                    MACSTR " ssid='%s'",
 579                                    MAC2STR(bss->bssid),
 580                                    wpa_ssid_txt(ssid_, ssid_len));
 581                         *selected_ssid = ssid;
 582                         return bss;
 583                 }
 584         }
 585
 586         return NULL;
 587 }
 588
 589
 590 static struct wpa_scan_res *
 591 wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s, struct wpa_ssid *group,
 592                           struct wpa_ssid **selected_ssid)
 593 {
 594         struct wpa_scan_res *selected;
 595
 596         wpa_printf(MSG_DEBUG, "Selecting BSS from priority group %d",
 597                    group->priority);
 598
 599         /* First, try to find WPA-enabled AP */
 600         selected = wpa_supplicant_select_bss_wpa(wpa_s, group, selected_ssid);
 601         if (selected)
 602                 return selected;
 603
 604         /* If no WPA-enabled AP found, try to find non-WPA AP, if configuration
 605          * allows this. */
 606         return wpa_supplicant_select_bss_non_wpa(wpa_s, group, selected_ssid);
 607 }
 608
 609
 610 static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s)
 611 {
 612         int prio, timeout;
 613         struct wpa_scan_res *selected = NULL;
 614         struct wpa_ssid *ssid = NULL;
 615
 616         if (wpa_supplicant_get_scan_results(wpa_s) < 0) {
 617                 if (wpa_s->conf->ap_scan == 2)
 618                         return;
 619                 wpa_printf(MSG_DEBUG, "Failed to get scan results - try "
 620                            "scanning again");
 621                 timeout = 1;
 622                 goto req_scan;
 623         }
 624
 625         /*
 626          * Don't post the results if this was the initial cached
 627          * and there were no results.
 628          */
 629         if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1 &&
 630             wpa_s->scan_res->num == 0) {
 631                 wpa_msg(wpa_s, MSG_DEBUG, "Cached scan results are "
 632                         "empty - not posting");
 633         } else {
 634                 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
 635                 wpa_supplicant_dbus_notify_scan_results(wpa_s);
 636                 wpas_wps_notify_scan_results(wpa_s);
 637         }
 638
 639         if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)) ||
 640             wpa_s->disconnected)
 641                 return;
 642
 643         while (selected == NULL) {
 644                 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
 645                         selected = wpa_supplicant_select_bss(
 646                                 wpa_s, wpa_s->conf->pssid[prio], &ssid);
 647                         if (selected)
 648                                 break;
 649                 }
 650
 651                 if (selected == NULL && wpa_s->blacklist) {
 652                         wpa_printf(MSG_DEBUG, "No APs found - clear blacklist "
 653                                    "and try again");
 654                         wpa_blacklist_clear(wpa_s);
 655                         wpa_s->blacklist_cleared++;
 656                 } else if (selected == NULL) {
 657                         break;
 658                 }
 659         }
 660
 661         if (selected) {
 662                 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
 663                         wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
 664                                 "PBC session overlap");
 665                         timeout = 10;
 666                         goto req_scan;
 667                 }
 668
 669                 /* Do not trigger new association unless the BSSID has changed
 670                  * or if reassociation is requested. If we are in process of
 671                  * associating with the selected BSSID, do not trigger new
 672                  * attempt. */
 673                 if (wpa_s->reassociate ||
 674                     (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
 675                      (wpa_s->wpa_state != WPA_ASSOCIATING ||
 676                       os_memcmp(selected->bssid, wpa_s->pending_bssid,
 677                                 ETH_ALEN) != 0))) {
 678                         if (wpa_supplicant_scard_init(wpa_s, ssid)) {
 679                                 wpa_supplicant_req_scan(wpa_s, 10, 0);
 680                                 return;
 681                         }
 682                         wpa_supplicant_associate(wpa_s, selected, ssid);
 683                 } else {
 684                         wpa_printf(MSG_DEBUG, "Already associated with the "
 685                                    "selected AP.");
 686                 }
 687                 rsn_preauth_scan_results(wpa_s->wpa, wpa_s->scan_res);
 688         } else {
 689                 wpa_printf(MSG_DEBUG, "No suitable AP found.");
 690                 timeout = 5;
 691                 goto req_scan;
 692         }
 693
 694         return;
 695
 696 req_scan:
 697         if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1) {
 698                 /*
 699                  * Quick recovery if the initial scan results were not
 700                  * complete when fetched before the first scan request.
 701                  */
 702                 wpa_s->scan_res_tried++;
 703                 timeout = 0;
 704         }
 705         wpa_supplicant_req_scan(wpa_s, timeout, 0);
 706 }
 707 #endif /* CONFIG_NO_SCAN_PROCESSING */
 708
 709
 710 static void wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
 711                                            union wpa_event_data *data)
 712 {
 713         int l, len, found = 0, wpa_found, rsn_found;
 714         u8 *p;
 715
 716         wpa_printf(MSG_DEBUG, "Association info event");
 717         if (data->assoc_info.req_ies)
 718                 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
 719                             data->assoc_info.req_ies_len);
 720         if (data->assoc_info.resp_ies)
 721                 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
 722                             data->assoc_info.resp_ies_len);
 723         if (data->assoc_info.beacon_ies)
 724                 wpa_hexdump(MSG_DEBUG, "beacon_ies",
 725                             data->assoc_info.beacon_ies,
 726                             data->assoc_info.beacon_ies_len);
 727
 728         p = data->assoc_info.req_ies;
 729         l = data->assoc_info.req_ies_len;
 730
 731         /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
 732         while (p && l >= 2) {
 733                 len = p[1] + 2;
 734                 if (len > l) {
 735                         wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
 736                                     p, l);
 737                         break;
 738                 }
 739                 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
 740                      (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
 741                     (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
 742                         if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
 743                                 break;
 744                         found = 1;
 745                         wpa_find_assoc_pmkid(wpa_s);
 746                         break;
 747                 }
 748                 l -= len;
 749                 p += len;
 750         }
 751         if (!found && data->assoc_info.req_ies)
 752                 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
 753
 754         /* WPA/RSN IE from Beacon/ProbeResp */
 755         p = data->assoc_info.beacon_ies;
 756         l = data->assoc_info.beacon_ies_len;
 757
 758         /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
 759          */
 760         wpa_found = rsn_found = 0;
 761         while (p && l >= 2) {
 762                 len = p[1] + 2;
 763                 if (len > l) {
 764                         wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
 765                                     p, l);
 766                         break;
 767                 }
 768                 if (!wpa_found &&
 769                     p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
 770                     os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
 771                         wpa_found = 1;
 772                         wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
 773                 }
 774
 775                 if (!rsn_found &&
 776                     p[0] == WLAN_EID_RSN && p[1] >= 2) {
 777                         rsn_found = 1;
 778                         wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
 779                 }
 780
 781                 l -= len;
 782                 p += len;
 783         }
 784
 785         if (!wpa_found && data->assoc_info.beacon_ies)
 786                 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
 787         if (!rsn_found && data->assoc_info.beacon_ies)
 788                 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
 789         if (wpa_found || rsn_found)
 790                 wpa_s->ap_ies_from_associnfo = 1;
 791 }
 792
 793
 794 static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
 795                                        union wpa_event_data *data)
 796 {
 797         u8 bssid[ETH_ALEN];
 798         int ft_completed = wpa_ft_is_completed(wpa_s->wpa);
 799
 800         if (data)
 801                 wpa_supplicant_event_associnfo(wpa_s, data);
 802
 803         wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
 804         if (wpa_s->use_client_mlme)
 805                 os_memcpy(bssid, wpa_s->bssid, ETH_ALEN);
 806         if (wpa_s->use_client_mlme ||
 807             (wpa_drv_get_bssid(wpa_s, bssid) >= 0 &&
 808              os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0)) {
 809                 wpa_msg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
 810                         MACSTR, MAC2STR(bssid));
 811                 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
 812                 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
 813                 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
 814                         wpa_clear_keys(wpa_s, bssid);
 815                 }
 816                 if (wpa_supplicant_select_config(wpa_s) < 0) {
 817                         wpa_supplicant_disassociate(
 818                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 819                         return;
 820                 }
 821         }
 822
 823         wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
 824         if (wpa_s->current_ssid) {
 825                 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
 826                  * initialized before association, but for other modes,
 827                  * initialize PC/SC here, if the current configuration needs
 828                  * smartcard or SIM/USIM. */
 829                 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
 830         }
 831         wpa_sm_notify_assoc(wpa_s->wpa, bssid);
 832         l2_packet_notify_auth_start(wpa_s->l2);
 833
 834         /*
 835          * Set portEnabled first to FALSE in order to get EAP state machine out
 836          * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
 837          * state machine may transit to AUTHENTICATING state based on obsolete
 838          * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
 839          * AUTHENTICATED without ever giving chance to EAP state machine to
 840          * reset the state.
 841          */
 842         if (!ft_completed) {
 843                 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
 844                 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
 845         }
 846         if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed)
 847                 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
 848         /* 802.1X::portControl = Auto */
 849         eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
 850         wpa_s->eapol_received = 0;
 851         if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
 852             wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
 853                 wpa_supplicant_cancel_auth_timeout(wpa_s);
 854                 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 855         } else if (!ft_completed) {
 856                 /* Timeout for receiving the first EAPOL packet */
 857                 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
 858         }
 859         wpa_supplicant_cancel_scan(wpa_s);
 860
 861         if (wpa_s->driver_4way_handshake &&
 862             wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
 863                 /*
 864                  * We are done; the driver will take care of RSN 4-way
 865                  * handshake.
 866                  */
 867                 wpa_supplicant_cancel_auth_timeout(wpa_s);
 868                 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 869                 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
 870                 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
 871         }
 872 }
 873
 874
 875 static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s)
 876 {
 877         const u8 *bssid;
 878
 879         if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
 880                 /*
 881                  * At least Host AP driver and a Prism3 card seemed to be
 882                  * generating streams of disconnected events when configuring
 883                  * IBSS for WPA-None. Ignore them for now.
 884                  */
 885                 wpa_printf(MSG_DEBUG, "Disconnect event - ignore in "
 886                            "IBSS/WPA-None mode");
 887                 return;
 888         }
 889
 890         if (wpa_s->wpa_state == WPA_4WAY_HANDSHAKE &&
 891             wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
 892                 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
 893                         "pre-shared key may be incorrect");
 894         }
 895         if (wpa_s->wpa_state >= WPA_ASSOCIATED)
 896                 wpa_supplicant_req_scan(wpa_s, 0, 100000);
 897         bssid = wpa_s->bssid;
 898         if (is_zero_ether_addr(bssid))
 899                 bssid = wpa_s->pending_bssid;
 900         wpa_blacklist_add(wpa_s, bssid);
 901         wpa_sm_notify_disassoc(wpa_s->wpa);
 902         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "- Disconnect event - "
 903                 "remove keys");
 904         if (wpa_supplicant_dynamic_keys(wpa_s)) {
 905                 wpa_s->keys_cleared = 0;
 906                 wpa_clear_keys(wpa_s, wpa_s->bssid);
 907         }
 908         wpa_supplicant_mark_disassoc(wpa_s);
 909 }
 910
 911
 912 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
 913 static void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx,
 914                                                     void *sock_ctx)
 915 {
 916         struct wpa_supplicant *wpa_s = eloop_ctx;
 917
 918         if (!wpa_s->pending_mic_error_report)
 919                 return;
 920
 921         wpa_printf(MSG_DEBUG, "WPA: Sending pending MIC error report");
 922         wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
 923         wpa_s->pending_mic_error_report = 0;
 924 }
 925 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
 926
 927
 928 static void
 929 wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
 930                                          union wpa_event_data *data)
 931 {
 932         int pairwise;
 933         struct os_time t;
 934
 935         wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
 936         pairwise = (data && data->michael_mic_failure.unicast);
 937         os_get_time(&t);
 938         if ((wpa_s->last_michael_mic_error &&
 939              t.sec - wpa_s->last_michael_mic_error <= 60) ||
 940             wpa_s->pending_mic_error_report) {
 941                 if (wpa_s->pending_mic_error_report) {
 942                         /*
 943                          * Send the pending MIC error report immediately since
 944                          * we are going to start countermeasures and AP better
 945                          * do the same.
 946                          */
 947                         wpa_sm_key_request(wpa_s->wpa, 1,
 948                                            wpa_s->pending_mic_error_pairwise);
 949                 }
 950
 951                 /* Send the new MIC error report immediately since we are going
 952                  * to start countermeasures and AP better do the same.
 953                  */
 954                 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
 955
 956                 /* initialize countermeasures */
 957                 wpa_s->countermeasures = 1;
 958                 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
 959
 960                 /*
 961                  * Need to wait for completion of request frame. We do not get
 962                  * any callback for the message completion, so just wait a
 963                  * short while and hope for the best. */
 964                 os_sleep(0, 10000);
 965
 966                 wpa_drv_set_countermeasures(wpa_s, 1);
 967                 wpa_supplicant_deauthenticate(wpa_s,
 968                                               WLAN_REASON_MICHAEL_MIC_FAILURE);
 969                 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
 970                                      wpa_s, NULL);
 971                 eloop_register_timeout(60, 0,
 972                                        wpa_supplicant_stop_countermeasures,
 973                                        wpa_s, NULL);
 974                 /* TODO: mark the AP rejected for 60 second. STA is
 975                  * allowed to associate with another AP.. */
 976         } else {
 977 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
 978                 if (wpa_s->mic_errors_seen) {
 979                         /*
 980                          * Reduce the effectiveness of Michael MIC error
 981                          * reports as a means for attacking against TKIP if
 982                          * more than one MIC failure is noticed with the same
 983                          * PTK. We delay the transmission of the reports by a
 984                          * random time between 0 and 60 seconds in order to
 985                          * force the attacker wait 60 seconds before getting
 986                          * the information on whether a frame resulted in a MIC
 987                          * failure.
 988                          */
 989                         u8 rval[4];
 990                         int sec;
 991
 992                         if (os_get_random(rval, sizeof(rval)) < 0)
 993                                 sec = os_random() % 60;
 994                         else
 995                                 sec = WPA_GET_BE32(rval) % 60;
 996                         wpa_printf(MSG_DEBUG, "WPA: Delay MIC error report %d "
 997                                    "seconds", sec);
 998                         wpa_s->pending_mic_error_report = 1;
 999                         wpa_s->pending_mic_error_pairwise = pairwise;
1000                         eloop_cancel_timeout(
1001                                 wpa_supplicant_delayed_mic_error_report,
1002                                 wpa_s, NULL);
1003                         eloop_register_timeout(
1004                                 sec, os_random() % 1000000,
1005                                 wpa_supplicant_delayed_mic_error_report,
1006                                 wpa_s, NULL);
1007                 } else {
1008                         wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1009                 }
1010 #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
1011                 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
1012 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
1013         }
1014         wpa_s->last_michael_mic_error = t.sec;
1015         wpa_s->mic_errors_seen++;
1016 }
1017
1018
1019 static void
1020 wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
1021                                       union wpa_event_data *data)
1022 {
1023         if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
1024                 return;
1025
1026         switch (data->interface_status.ievent) {
1027         case EVENT_INTERFACE_ADDED:
1028                 if (!wpa_s->interface_removed)
1029                         break;
1030                 wpa_s->interface_removed = 0;
1031                 wpa_printf(MSG_DEBUG, "Configured interface was added.");
1032                 if (wpa_supplicant_driver_init(wpa_s) < 0) {
1033                         wpa_printf(MSG_INFO, "Failed to initialize the driver "
1034                                    "after interface was added.");
1035                 }
1036                 break;
1037         case EVENT_INTERFACE_REMOVED:
1038                 wpa_printf(MSG_DEBUG, "Configured interface was removed.");
1039                 wpa_s->interface_removed = 1;
1040                 wpa_supplicant_mark_disassoc(wpa_s);
1041                 l2_packet_deinit(wpa_s->l2);
1042                 wpa_s->l2 = NULL;
1043                 break;
1044         }
1045 }
1046
1047
1048 #ifdef CONFIG_PEERKEY
1049 static void
1050 wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
1051                               union wpa_event_data *data)
1052 {
1053         if (data == NULL)
1054                 return;
1055         wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer);
1056 }
1057 #endif /* CONFIG_PEERKEY */
1058
1059
1060 #ifdef CONFIG_IEEE80211R
1061 static void
1062 wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
1063                                  union wpa_event_data *data)
1064 {
1065         if (data == NULL)
1066                 return;
1067
1068         if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
1069                                     data->ft_ies.ies_len,
1070                                     data->ft_ies.ft_action,
1071                                     data->ft_ies.target_ap) < 0) {
1072                 /* TODO: prevent MLME/driver from trying to associate? */
1073         }
1074 }
1075 #endif /* CONFIG_IEEE80211R */
1076
1077
1078 void wpa_supplicant_event(void *ctx, wpa_event_type event,
1079                           union wpa_event_data *data)
1080 {
1081         struct wpa_supplicant *wpa_s = ctx;
1082
1083         switch (event) {
1084         case EVENT_ASSOC:
1085                 wpa_supplicant_event_assoc(wpa_s, data);
1086                 break;
1087         case EVENT_DISASSOC:
1088                 wpa_supplicant_event_disassoc(wpa_s);
1089                 break;
1090         case EVENT_MICHAEL_MIC_FAILURE:
1091                 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
1092                 break;
1093 #ifndef CONFIG_NO_SCAN_PROCESSING
1094         case EVENT_SCAN_RESULTS:
1095                 wpa_supplicant_event_scan_results(wpa_s);
1096                 break;
1097 #endif /* CONFIG_NO_SCAN_PROCESSING */
1098         case EVENT_ASSOCINFO:
1099                 wpa_supplicant_event_associnfo(wpa_s, data);
1100                 break;
1101         case EVENT_INTERFACE_STATUS:
1102                 wpa_supplicant_event_interface_status(wpa_s, data);
1103                 break;
1104         case EVENT_PMKID_CANDIDATE:
1105                 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
1106                 break;
1107 #ifdef CONFIG_PEERKEY
1108         case EVENT_STKSTART:
1109                 wpa_supplicant_event_stkstart(wpa_s, data);
1110                 break;
1111 #endif /* CONFIG_PEERKEY */
1112 #ifdef CONFIG_IEEE80211R
1113         case EVENT_FT_RESPONSE:
1114                 wpa_supplicant_event_ft_response(wpa_s, data);
1115                 break;
1116 #endif /* CONFIG_IEEE80211R */
1117         default:
1118                 wpa_printf(MSG_INFO, "Unknown event %d", event);
1119                 break;
1120         }
1121 }