wpa_supplicant/wps_supplicant.c

   1 /*
   2  * wpa_supplicant / WPS integration
   3  * Copyright (c) 2008-2014, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "includes.h"
  10
  11 #include "common.h"
  12 #include "eloop.h"
  13 #include "uuid.h"
  14 #include "crypto/random.h"
  15 #include "crypto/dh_group5.h"
  16 #include "common/ieee802_11_defs.h"
  17 #include "common/ieee802_11_common.h"
  18 #include "common/wpa_common.h"
  19 #include "common/wpa_ctrl.h"
  20 #include "eap_common/eap_wsc_common.h"
  21 #include "eap_peer/eap.h"
  22 #include "eapol_supp/eapol_supp_sm.h"
  23 #include "rsn_supp/wpa.h"
  24 #include "wps/wps_attr_parse.h"
  25 #include "config.h"
  26 #include "wpa_supplicant_i.h"
  27 #include "driver_i.h"
  28 #include "notify.h"
  29 #include "blacklist.h"
  30 #include "bss.h"
  31 #include "scan.h"
  32 #include "ap.h"
  33 #include "p2p/p2p.h"
  34 #include "p2p_supplicant.h"
  35 #include "wps_supplicant.h"
  36
  37
  38 #ifndef WPS_PIN_SCAN_IGNORE_SEL_REG
  39 #define WPS_PIN_SCAN_IGNORE_SEL_REG 3
  40 #endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */
  41
  42 static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
  43 static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
  44
  45
  46 static void wpas_wps_clear_ap_info(struct wpa_supplicant *wpa_s)
  47 {
  48         os_free(wpa_s->wps_ap);
  49         wpa_s->wps_ap = NULL;
  50         wpa_s->num_wps_ap = 0;
  51         wpa_s->wps_ap_iter = 0;
  52 }
  53
  54
  55 int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
  56 {
  57 #ifdef CONFIG_P2P
  58         if (wpas_p2p_wps_eapol_cb(wpa_s) > 0)
  59                 return 1;
  60 #endif /* CONFIG_P2P */
  61
  62         if (!wpa_s->wps_success &&
  63             wpa_s->current_ssid &&
  64             eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
  65                 const u8 *bssid = wpa_s->bssid;
  66                 if (is_zero_ether_addr(bssid))
  67                         bssid = wpa_s->pending_bssid;
  68
  69                 wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR
  70                            " did not succeed - continue trying to find "
  71                            "suitable AP", MAC2STR(bssid));
  72                 wpa_blacklist_add(wpa_s, bssid);
  73
  74                 wpa_supplicant_deauthenticate(wpa_s,
  75                                               WLAN_REASON_DEAUTH_LEAVING);
  76                 wpa_s->reassociate = 1;
  77                 wpa_supplicant_req_scan(wpa_s,
  78                                         wpa_s->blacklist_cleared ? 5 : 0, 0);
  79                 wpa_s->blacklist_cleared = 0;
  80                 return 1;
  81         }
  82
  83         wpas_wps_clear_ap_info(wpa_s);
  84         eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
  85         if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success)
  86                 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL);
  87
  88         if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
  89             !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
  90                 int disabled = wpa_s->current_ssid->disabled;
  91                 unsigned int freq = wpa_s->assoc_freq;
  92                 struct wpa_bss *bss;
  93                 struct wpa_ssid *ssid = NULL;
  94                 int use_fast_assoc = 0;
  95
  96                 wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
  97                            "try to associate with the received credential "
  98                            "(freq=%u)", freq);
  99                 wpa_supplicant_deauthenticate(wpa_s,
 100                                               WLAN_REASON_DEAUTH_LEAVING);
 101                 if (disabled) {
 102                         wpa_printf(MSG_DEBUG, "WPS: Current network is "
 103                                    "disabled - wait for user to enable");
 104                         return 1;
 105                 }
 106                 wpa_s->after_wps = 5;
 107                 wpa_s->wps_freq = freq;
 108                 wpa_s->normal_scans = 0;
 109                 wpa_s->reassociate = 1;
 110
 111                 wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association "
 112                            "without a new scan can be used");
 113                 bss = wpa_supplicant_pick_network(wpa_s, &ssid);
 114                 if (bss) {
 115                         struct wpabuf *wps;
 116                         struct wps_parse_attr attr;
 117
 118                         wps = wpa_bss_get_vendor_ie_multi(bss,
 119                                                           WPS_IE_VENDOR_TYPE);
 120                         if (wps && wps_parse_msg(wps, &attr) == 0 &&
 121                             attr.wps_state &&
 122                             *attr.wps_state == WPS_STATE_CONFIGURED)
 123                                 use_fast_assoc = 1;
 124                         wpabuf_free(wps);
 125                 }
 126
 127                 if (!use_fast_assoc ||
 128                     wpa_supplicant_fast_associate(wpa_s) != 1)
 129                         wpa_supplicant_req_scan(wpa_s, 0, 0);
 130                 return 1;
 131         }
 132
 133         if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) {
 134                 wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting "
 135                            "for external credential processing");
 136                 wpas_clear_wps(wpa_s);
 137                 wpa_supplicant_deauthenticate(wpa_s,
 138                                               WLAN_REASON_DEAUTH_LEAVING);
 139                 return 1;
 140         }
 141
 142         return 0;
 143 }
 144
 145
 146 static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
 147                                          struct wpa_ssid *ssid,
 148                                          const struct wps_credential *cred)
 149 {
 150         struct wpa_driver_capa capa;
 151         struct wpa_bss *bss;
 152         const u8 *ie;
 153         struct wpa_ie_data adv;
 154         int wpa2 = 0, ccmp = 0;
 155
 156         /*
 157          * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
 158          * case they are configured for mixed mode operation (WPA+WPA2 and
 159          * TKIP+CCMP). Try to use scan results to figure out whether the AP
 160          * actually supports stronger security and select that if the client
 161          * has support for it, too.
 162          */
 163
 164         if (wpa_drv_get_capa(wpa_s, &capa))
 165                 return; /* Unknown what driver supports */
 166
 167         if (ssid->ssid == NULL)
 168                 return;
 169         bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len);
 170         if (bss == NULL) {
 171                 wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS "
 172                            "table - use credential as-is");
 173                 return;
 174         }
 175
 176         wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table");
 177
 178         ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
 179         if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
 180                 wpa2 = 1;
 181                 if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
 182                         ccmp = 1;
 183         } else {
 184                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
 185                 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
 186                     adv.pairwise_cipher & WPA_CIPHER_CCMP)
 187                         ccmp = 1;
 188         }
 189
 190         if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) &&
 191             (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) {
 192                 /*
 193                  * TODO: This could be the initial AP configuration and the
 194                  * Beacon contents could change shortly. Should request a new
 195                  * scan and delay addition of the network until the updated
 196                  * scan results are available.
 197                  */
 198                 wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA "
 199                            "support - use credential as-is");
 200                 return;
 201         }
 202
 203         if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
 204             (ssid->pairwise_cipher & WPA_CIPHER_TKIP) &&
 205             (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
 206                 wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential "
 207                            "based on scan results");
 208                 if (wpa_s->conf->ap_scan == 1)
 209                         ssid->pairwise_cipher |= WPA_CIPHER_CCMP;
 210                 else
 211                         ssid->pairwise_cipher = WPA_CIPHER_CCMP;
 212         }
 213
 214         if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) &&
 215             (ssid->proto & WPA_PROTO_WPA) &&
 216             (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) {
 217                 wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential "
 218                            "based on scan results");
 219                 if (wpa_s->conf->ap_scan == 1)
 220                         ssid->proto |= WPA_PROTO_RSN;
 221                 else
 222                         ssid->proto = WPA_PROTO_RSN;
 223         }
 224 }
 225
 226
 227 static void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s,
 228                                         struct wpa_ssid *new_ssid)
 229 {
 230         struct wpa_ssid *ssid, *next;
 231
 232         for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid;
 233              ssid = next, next = ssid ? ssid->next : NULL) {
 234                 /*
 235                  * new_ssid has already been added to the list in
 236                  * wpas_wps_add_network(), so skip it.
 237                  */
 238                 if (ssid == new_ssid)
 239                         continue;
 240
 241                 if (ssid->bssid_set || new_ssid->bssid_set) {
 242                         if (ssid->bssid_set != new_ssid->bssid_set)
 243                                 continue;
 244                         if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) !=
 245                             0)
 246                                 continue;
 247                 }
 248
 249                 /* compare SSID */
 250                 if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len)
 251                         continue;
 252
 253                 if (ssid->ssid && new_ssid->ssid) {
 254                         if (os_memcmp(ssid->ssid, new_ssid->ssid,
 255                                       ssid->ssid_len) != 0)
 256                                 continue;
 257                 } else if (ssid->ssid || new_ssid->ssid)
 258                         continue;
 259
 260                 /* compare security parameters */
 261                 if (ssid->auth_alg != new_ssid->auth_alg ||
 262                     ssid->key_mgmt != new_ssid->key_mgmt ||
 263                     ssid->proto != new_ssid->proto ||
 264                     ssid->pairwise_cipher != new_ssid->pairwise_cipher ||
 265                     ssid->group_cipher != new_ssid->group_cipher)
 266                         continue;
 267
 268                 /* Remove the duplicated older network entry. */
 269                 wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id);
 270                 wpas_notify_network_removed(wpa_s, ssid);
 271                 wpa_config_remove_network(wpa_s->conf, ssid->id);
 272         }
 273 }
 274
 275
 276 static int wpa_supplicant_wps_cred(void *ctx,
 277                                    const struct wps_credential *cred)
 278 {
 279         struct wpa_supplicant *wpa_s = ctx;
 280         struct wpa_ssid *ssid = wpa_s->current_ssid;
 281         u8 key_idx = 0;
 282         u16 auth_type;
 283 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
 284         int registrar = 0;
 285 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
 286
 287         if ((wpa_s->conf->wps_cred_processing == 1 ||
 288              wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
 289                 size_t blen = cred->cred_attr_len * 2 + 1;
 290                 char *buf = os_malloc(blen);
 291                 if (buf) {
 292                         wpa_snprintf_hex(buf, blen,
 293                                          cred->cred_attr, cred->cred_attr_len);
 294                         wpa_msg(wpa_s, MSG_INFO, "%s%s",
 295                                 WPS_EVENT_CRED_RECEIVED, buf);
 296                         os_free(buf);
 297                 }
 298
 299                 wpas_notify_wps_credential(wpa_s, cred);
 300         } else
 301                 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
 302
 303         wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
 304                         cred->cred_attr, cred->cred_attr_len);
 305
 306         if (wpa_s->conf->wps_cred_processing == 1)
 307                 return 0;
 308
 309         wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
 310         wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
 311                    cred->auth_type);
 312         wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
 313         wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
 314         wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
 315                         cred->key, cred->key_len);
 316         wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
 317                    MAC2STR(cred->mac_addr));
 318
 319         auth_type = cred->auth_type;
 320         if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
 321                 wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
 322                            "auth_type into WPA2PSK");
 323                 auth_type = WPS_AUTH_WPA2PSK;
 324         }
 325
 326         if (auth_type != WPS_AUTH_OPEN &&
 327             auth_type != WPS_AUTH_SHARED &&
 328             auth_type != WPS_AUTH_WPAPSK &&
 329             auth_type != WPS_AUTH_WPA2PSK) {
 330                 wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
 331                            "unsupported authentication type 0x%x",
 332                            auth_type);
 333                 return 0;
 334         }
 335
 336         if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) {
 337                 if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) {
 338                         wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with "
 339                                    "invalid Network Key length %lu",
 340                                    (unsigned long) cred->key_len);
 341                         return -1;
 342                 }
 343         }
 344
 345         if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
 346                 wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
 347                            "on the received credential");
 348 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
 349                 if (ssid->eap.identity &&
 350                     ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN &&
 351                     os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR,
 352                               WSC_ID_REGISTRAR_LEN) == 0)
 353                         registrar = 1;
 354 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
 355                 os_free(ssid->eap.identity);
 356                 ssid->eap.identity = NULL;
 357                 ssid->eap.identity_len = 0;
 358                 os_free(ssid->eap.phase1);
 359                 ssid->eap.phase1 = NULL;
 360                 os_free(ssid->eap.eap_methods);
 361                 ssid->eap.eap_methods = NULL;
 362                 if (!ssid->p2p_group) {
 363                         ssid->temporary = 0;
 364                         ssid->bssid_set = 0;
 365                 }
 366                 ssid->disabled_until.sec = 0;
 367                 ssid->disabled_until.usec = 0;
 368                 ssid->auth_failures = 0;
 369         } else {
 370                 wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
 371                            "received credential");
 372                 ssid = wpa_config_add_network(wpa_s->conf);
 373                 if (ssid == NULL)
 374                         return -1;
 375                 wpas_notify_network_added(wpa_s, ssid);
 376         }
 377
 378         wpa_config_set_network_defaults(ssid);
 379
 380         os_free(ssid->ssid);
 381         ssid->ssid = os_malloc(cred->ssid_len);
 382         if (ssid->ssid) {
 383                 os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
 384                 ssid->ssid_len = cred->ssid_len;
 385         }
 386
 387         switch (cred->encr_type) {
 388         case WPS_ENCR_NONE:
 389                 break;
 390         case WPS_ENCR_WEP:
 391                 if (cred->key_len <= 0)
 392                         break;
 393                 if (cred->key_len != 5 && cred->key_len != 13 &&
 394                     cred->key_len != 10 && cred->key_len != 26) {
 395                         wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length "
 396                                    "%lu", (unsigned long) cred->key_len);
 397                         return -1;
 398                 }
 399                 if (cred->key_idx > NUM_WEP_KEYS) {
 400                         wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d",
 401                                    cred->key_idx);
 402                         return -1;
 403                 }
 404                 if (cred->key_idx)
 405                         key_idx = cred->key_idx - 1;
 406                 if (cred->key_len == 10 || cred->key_len == 26) {
 407                         if (hexstr2bin((char *) cred->key,
 408                                        ssid->wep_key[key_idx],
 409                                        cred->key_len / 2) < 0) {
 410                                 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key "
 411                                            "%d", key_idx);
 412                                 return -1;
 413                         }
 414                         ssid->wep_key_len[key_idx] = cred->key_len / 2;
 415                 } else {
 416                         os_memcpy(ssid->wep_key[key_idx], cred->key,
 417                                   cred->key_len);
 418                         ssid->wep_key_len[key_idx] = cred->key_len;
 419                 }
 420                 ssid->wep_tx_keyidx = key_idx;
 421                 break;
 422         case WPS_ENCR_TKIP:
 423                 ssid->pairwise_cipher = WPA_CIPHER_TKIP;
 424                 break;
 425         case WPS_ENCR_AES:
 426                 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
 427                 break;
 428         }
 429
 430         switch (auth_type) {
 431         case WPS_AUTH_OPEN:
 432                 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
 433                 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
 434                 ssid->proto = 0;
 435 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
 436                 if (registrar) {
 437                         wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK
 438                                 "id=%d - Credentials for an open "
 439                                 "network disabled by default - use "
 440                                 "'select_network %d' to enable",
 441                                 ssid->id, ssid->id);
 442                         ssid->disabled = 1;
 443                 }
 444 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
 445                 break;
 446         case WPS_AUTH_SHARED:
 447                 ssid->auth_alg = WPA_AUTH_ALG_SHARED;
 448                 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
 449                 ssid->proto = 0;
 450                 break;
 451         case WPS_AUTH_WPAPSK:
 452                 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
 453                 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
 454                 ssid->proto = WPA_PROTO_WPA;
 455                 break;
 456         case WPS_AUTH_WPA2PSK:
 457                 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
 458                 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
 459                 ssid->proto = WPA_PROTO_RSN;
 460                 break;
 461         }
 462
 463         if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
 464                 if (cred->key_len == 2 * PMK_LEN) {
 465                         if (hexstr2bin((const char *) cred->key, ssid->psk,
 466                                        PMK_LEN)) {
 467                                 wpa_printf(MSG_ERROR, "WPS: Invalid Network "
 468                                            "Key");
 469                                 return -1;
 470                         }
 471                         ssid->psk_set = 1;
 472                         ssid->export_keys = 1;
 473                 } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) {
 474                         os_free(ssid->passphrase);
 475                         ssid->passphrase = os_malloc(cred->key_len + 1);
 476                         if (ssid->passphrase == NULL)
 477                                 return -1;
 478                         os_memcpy(ssid->passphrase, cred->key, cred->key_len);
 479                         ssid->passphrase[cred->key_len] = '\0';
 480                         wpa_config_update_psk(ssid);
 481                         ssid->export_keys = 1;
 482                 } else {
 483                         wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
 484                                    "length %lu",
 485                                    (unsigned long) cred->key_len);
 486                         return -1;
 487                 }
 488         }
 489
 490         wpas_wps_security_workaround(wpa_s, ssid, cred);
 491
 492         if (cred->ap_channel)
 493                 wpa_s->wps_ap_channel = cred->ap_channel;
 494
 495         wpas_wps_remove_dup_network(wpa_s, ssid);
 496
 497 #ifndef CONFIG_NO_CONFIG_WRITE
 498         if (wpa_s->conf->update_config &&
 499             wpa_config_write(wpa_s->confname, wpa_s->conf)) {
 500                 wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration");
 501                 return -1;
 502         }
 503 #endif /* CONFIG_NO_CONFIG_WRITE */
 504
 505         /*
 506          * Optimize the post-WPS scan based on the channel used during
 507          * the provisioning in case EAP-Failure is not received.
 508          */
 509         wpa_s->after_wps = 5;
 510         wpa_s->wps_freq = wpa_s->assoc_freq;
 511
 512         return 0;
 513 }
 514
 515
 516 #ifdef CONFIG_P2P
 517 static void wpas_wps_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx)
 518 {
 519         struct wpa_supplicant *wpa_s = eloop_ctx;
 520         wpas_p2p_notif_pbc_overlap(wpa_s);
 521 }
 522 #endif /* CONFIG_P2P */
 523
 524
 525 static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
 526                                          struct wps_event_m2d *m2d)
 527 {
 528         wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D
 529                 "dev_password_id=%d config_error=%d",
 530                 m2d->dev_password_id, m2d->config_error);
 531         wpas_notify_wps_event_m2d(wpa_s, m2d);
 532 #ifdef CONFIG_P2P
 533         if (wpa_s->parent && wpa_s->parent != wpa_s) {
 534                 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D
 535                         "dev_password_id=%d config_error=%d",
 536                         m2d->dev_password_id, m2d->config_error);
 537         }
 538         if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) {
 539                 /*
 540                  * Notify P2P from eloop timeout to avoid issues with the
 541                  * interface getting removed while processing a message.
 542                  */
 543                 eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb, wpa_s,
 544                                        NULL);
 545         }
 546 #endif /* CONFIG_P2P */
 547 }
 548
 549
 550 static void wpas_wps_clear_timeout(void *eloop_ctx, void *timeout_ctx)
 551 {
 552         struct wpa_supplicant *wpa_s = eloop_ctx;
 553         wpa_printf(MSG_DEBUG, "WPS: Clear WPS network from timeout");
 554         wpas_clear_wps(wpa_s);
 555 }
 556
 557
 558 static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
 559                                           struct wps_event_fail *fail)
 560 {
 561         if (fail->error_indication > 0 &&
 562             fail->error_indication < NUM_WPS_EI_VALUES) {
 563                 wpa_msg(wpa_s, MSG_INFO,
 564                         WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
 565                         fail->msg, fail->config_error, fail->error_indication,
 566                         wps_ei_str(fail->error_indication));
 567                 if (wpa_s->parent && wpa_s->parent != wpa_s)
 568                         wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
 569                                 "msg=%d config_error=%d reason=%d (%s)",
 570                                 fail->msg, fail->config_error,
 571                                 fail->error_indication,
 572                                 wps_ei_str(fail->error_indication));
 573         } else {
 574                 wpa_msg(wpa_s, MSG_INFO,
 575                         WPS_EVENT_FAIL "msg=%d config_error=%d",
 576                         fail->msg, fail->config_error);
 577                 if (wpa_s->parent && wpa_s->parent != wpa_s)
 578                         wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
 579                                 "msg=%d config_error=%d",
 580                                 fail->msg, fail->config_error);
 581         }
 582
 583         /*
 584          * Need to allow WPS processing to complete, e.g., by sending WSC_NACK.
 585          */
 586         wpa_printf(MSG_DEBUG, "WPS: Register timeout to clear WPS network");
 587         eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
 588         eloop_register_timeout(0, 100000, wpas_wps_clear_timeout, wpa_s, NULL);
 589
 590         wpas_notify_wps_event_fail(wpa_s, fail);
 591 #ifdef CONFIG_P2P
 592         wpas_p2p_wps_failed(wpa_s, fail);
 593 #endif /* CONFIG_P2P */
 594 }
 595
 596
 597 static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx);
 598
 599 static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s)
 600 {
 601         struct wpa_ssid *ssid;
 602         int changed = 0;
 603
 604         eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
 605
 606         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
 607                 if (ssid->disabled_for_connect && ssid->disabled) {
 608                         ssid->disabled_for_connect = 0;
 609                         ssid->disabled = 0;
 610                         wpas_notify_network_enabled_changed(wpa_s, ssid);
 611                         changed++;
 612                 }
 613         }
 614
 615         if (changed) {
 616 #ifndef CONFIG_NO_CONFIG_WRITE
 617                 if (wpa_s->conf->update_config &&
 618                     wpa_config_write(wpa_s->confname, wpa_s->conf)) {
 619                         wpa_printf(MSG_DEBUG, "WPS: Failed to update "
 620                                    "configuration");
 621                 }
 622 #endif /* CONFIG_NO_CONFIG_WRITE */
 623         }
 624 }
 625
 626
 627 static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx)
 628 {
 629         struct wpa_supplicant *wpa_s = eloop_ctx;
 630         /* Enable the networks disabled during wpas_wps_reassoc */
 631         wpas_wps_reenable_networks(wpa_s);
 632 }
 633
 634
 635 static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
 636 {
 637         wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
 638         wpa_s->wps_success = 1;
 639         wpas_notify_wps_event_success(wpa_s);
 640         if (wpa_s->current_ssid)
 641                 wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1);
 642         wpa_s->extra_blacklist_count = 0;
 643
 644         /*
 645          * Enable the networks disabled during wpas_wps_reassoc after 10
 646          * seconds. The 10 seconds timer is to allow the data connection to be
 647          * formed before allowing other networks to be selected.
 648          */
 649         eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
 650                                NULL);
 651
 652 #ifdef CONFIG_P2P
 653         wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0);
 654 #endif /* CONFIG_P2P */
 655 }
 656
 657
 658 static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s,
 659                                                struct wps_event_er_ap *ap)
 660 {
 661         char uuid_str[100];
 662         char dev_type[WPS_DEV_TYPE_BUFSIZE];
 663
 664         uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
 665         if (ap->pri_dev_type)
 666                 wps_dev_type_bin2str(ap->pri_dev_type, dev_type,
 667                                      sizeof(dev_type));
 668         else
 669                 dev_type[0] = '\0';
 670
 671         wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR
 672                 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
 673                 uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state,
 674                 ap->friendly_name ? ap->friendly_name : "",
 675                 ap->manufacturer ? ap->manufacturer : "",
 676                 ap->model_description ? ap->model_description : "",
 677                 ap->model_name ? ap->model_name : "",
 678                 ap->manufacturer_url ? ap->manufacturer_url : "",
 679                 ap->model_url ? ap->model_url : "");
 680 }
 681
 682
 683 static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s,
 684                                                   struct wps_event_er_ap *ap)
 685 {
 686         char uuid_str[100];
 687         uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
 688         wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str);
 689 }
 690
 691
 692 static void wpa_supplicant_wps_event_er_enrollee_add(
 693         struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
 694 {
 695         char uuid_str[100];
 696         char dev_type[WPS_DEV_TYPE_BUFSIZE];
 697
 698         uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
 699         if (enrollee->pri_dev_type)
 700                 wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type,
 701                                      sizeof(dev_type));
 702         else
 703                 dev_type[0] = '\0';
 704
 705         wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR
 706                 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
 707                 "|%s|%s|%s|%s|%s|",
 708                 uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received,
 709                 enrollee->config_methods, enrollee->dev_passwd_id, dev_type,
 710                 enrollee->dev_name ? enrollee->dev_name : "",
 711                 enrollee->manufacturer ? enrollee->manufacturer : "",
 712                 enrollee->model_name ? enrollee->model_name : "",
 713                 enrollee->model_number ? enrollee->model_number : "",
 714                 enrollee->serial_number ? enrollee->serial_number : "");
 715 }
 716
 717
 718 static void wpa_supplicant_wps_event_er_enrollee_remove(
 719         struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
 720 {
 721         char uuid_str[100];
 722         uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
 723         wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR,
 724                 uuid_str, MAC2STR(enrollee->mac_addr));
 725 }
 726
 727
 728 static void wpa_supplicant_wps_event_er_ap_settings(
 729         struct wpa_supplicant *wpa_s,
 730         struct wps_event_er_ap_settings *ap_settings)
 731 {
 732         char uuid_str[100];
 733         char key_str[65];
 734         const struct wps_credential *cred = ap_settings->cred;
 735
 736         key_str[0] = '\0';
 737         if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
 738                 if (cred->key_len >= 8 && cred->key_len <= 64) {
 739                         os_memcpy(key_str, cred->key, cred->key_len);
 740                         key_str[cred->key_len] = '\0';
 741                 }
 742         }
 743
 744         uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str));
 745         /* Use wpa_msg_ctrl to avoid showing the key in debug log */
 746         wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS
 747                      "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
 748                      "key=%s",
 749                      uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len),
 750                      cred->auth_type, cred->encr_type, key_str);
 751 }
 752
 753
 754 static void wpa_supplicant_wps_event_er_set_sel_reg(
 755         struct wpa_supplicant *wpa_s,
 756         struct wps_event_er_set_selected_registrar *ev)
 757 {
 758         char uuid_str[100];
 759
 760         uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str));
 761         switch (ev->state) {
 762         case WPS_ER_SET_SEL_REG_START:
 763                 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
 764                         "uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
 765                         "sel_reg_config_methods=0x%x",
 766                         uuid_str, ev->sel_reg, ev->dev_passwd_id,
 767                         ev->sel_reg_config_methods);
 768                 break;
 769         case WPS_ER_SET_SEL_REG_DONE:
 770                 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
 771                         "uuid=%s state=DONE", uuid_str);
 772                 break;
 773         case WPS_ER_SET_SEL_REG_FAILED:
 774                 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG
 775                         "uuid=%s state=FAILED", uuid_str);
 776                 break;
 777         }
 778 }
 779
 780
 781 static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
 782                                      union wps_event_data *data)
 783 {
 784         struct wpa_supplicant *wpa_s = ctx;
 785         switch (event) {
 786         case WPS_EV_M2D:
 787                 wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d);
 788                 break;
 789         case WPS_EV_FAIL:
 790                 wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
 791                 break;
 792         case WPS_EV_SUCCESS:
 793                 wpa_supplicant_wps_event_success(wpa_s);
 794                 break;
 795         case WPS_EV_PWD_AUTH_FAIL:
 796 #ifdef CONFIG_AP
 797                 if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee)
 798                         wpa_supplicant_ap_pwd_auth_fail(wpa_s);
 799 #endif /* CONFIG_AP */
 800                 break;
 801         case WPS_EV_PBC_OVERLAP:
 802                 break;
 803         case WPS_EV_PBC_TIMEOUT:
 804                 break;
 805         case WPS_EV_PBC_ACTIVE:
 806                 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ACTIVE);
 807                 break;
 808         case WPS_EV_PBC_DISABLE:
 809                 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_DISABLE);
 810                 break;
 811         case WPS_EV_ER_AP_ADD:
 812                 wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap);
 813                 break;
 814         case WPS_EV_ER_AP_REMOVE:
 815                 wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap);
 816                 break;
 817         case WPS_EV_ER_ENROLLEE_ADD:
 818                 wpa_supplicant_wps_event_er_enrollee_add(wpa_s,
 819                                                          &data->enrollee);
 820                 break;
 821         case WPS_EV_ER_ENROLLEE_REMOVE:
 822                 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s,
 823                                                             &data->enrollee);
 824                 break;
 825         case WPS_EV_ER_AP_SETTINGS:
 826                 wpa_supplicant_wps_event_er_ap_settings(wpa_s,
 827                                                         &data->ap_settings);
 828                 break;
 829         case WPS_EV_ER_SET_SELECTED_REGISTRAR:
 830                 wpa_supplicant_wps_event_er_set_sel_reg(wpa_s,
 831                                                         &data->set_sel_reg);
 832                 break;
 833         case WPS_EV_AP_PIN_SUCCESS:
 834                 break;
 835         }
 836 }
 837
 838
 839 static int wpa_supplicant_wps_rf_band(void *ctx)
 840 {
 841         struct wpa_supplicant *wpa_s = ctx;
 842
 843         if (!wpa_s->current_ssid || !wpa_s->assoc_freq)
 844                 return 0;
 845
 846         return (wpa_s->assoc_freq > 2484) ? WPS_RF_50GHZ : WPS_RF_24GHZ;
 847 }
 848
 849
 850 enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
 851 {
 852         if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
 853             eap_is_wps_pin_enrollee(&ssid->eap))
 854                 return WPS_REQ_ENROLLEE;
 855         else
 856                 return WPS_REQ_REGISTRAR;
 857 }
 858
 859
 860 static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
 861 {
 862         int id;
 863         struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current;
 864
 865         wpa_s->after_wps = 0;
 866         wpa_s->known_wps_freq = 0;
 867
 868         prev_current = wpa_s->current_ssid;
 869
 870         /* Enable the networks disabled during wpas_wps_reassoc */
 871         wpas_wps_reenable_networks(wpa_s);
 872
 873         eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
 874         eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
 875
 876         /* Remove any existing WPS network from configuration */
 877         ssid = wpa_s->conf->ssid;
 878         while (ssid) {
 879                 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
 880                         if (ssid == wpa_s->current_ssid) {
 881                                 wpa_supplicant_deauthenticate(
 882                                         wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 883                         }
 884                         id = ssid->id;
 885                         remove_ssid = ssid;
 886                 } else
 887                         id = -1;
 888                 ssid = ssid->next;
 889                 if (id >= 0) {
 890                         if (prev_current == remove_ssid) {
 891                                 wpa_sm_set_config(wpa_s->wpa, NULL);
 892                                 eapol_sm_notify_config(wpa_s->eapol, NULL,
 893                                                        NULL);
 894                         }
 895                         wpas_notify_network_removed(wpa_s, remove_ssid);
 896                         wpa_config_remove_network(wpa_s->conf, id);
 897                 }
 898         }
 899
 900         wpas_wps_clear_ap_info(wpa_s);
 901 }
 902
 903
 904 static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
 905 {
 906         struct wpa_supplicant *wpa_s = eloop_ctx;
 907         wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
 908                 "out");
 909         wpas_clear_wps(wpa_s);
 910 }
 911
 912
 913 static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
 914                                               int registrar, const u8 *dev_addr,
 915                                               const u8 *bssid)
 916 {
 917         struct wpa_ssid *ssid;
 918
 919         ssid = wpa_config_add_network(wpa_s->conf);
 920         if (ssid == NULL)
 921                 return NULL;
 922         wpas_notify_network_added(wpa_s, ssid);
 923         wpa_config_set_network_defaults(ssid);
 924         ssid->temporary = 1;
 925         if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
 926             wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
 927             wpa_config_set(ssid, "identity", registrar ?
 928                            "\"" WSC_ID_REGISTRAR "\"" :
 929                            "\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
 930                 wpas_notify_network_removed(wpa_s, ssid);
 931                 wpa_config_remove_network(wpa_s->conf, ssid->id);
 932                 return NULL;
 933         }
 934
 935 #ifdef CONFIG_P2P
 936         if (dev_addr)
 937                 os_memcpy(ssid->go_p2p_dev_addr, dev_addr, ETH_ALEN);
 938 #endif /* CONFIG_P2P */
 939
 940         if (bssid) {
 941 #ifndef CONFIG_P2P
 942                 struct wpa_bss *bss;
 943                 int count = 0;
 944 #endif /* CONFIG_P2P */
 945
 946                 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
 947                 ssid->bssid_set = 1;
 948
 949                 /*
 950                  * Note: With P2P, the SSID may change at the time the WPS
 951                  * provisioning is started, so better not filter the AP based
 952                  * on the current SSID in the scan results.
 953                  */
 954 #ifndef CONFIG_P2P
 955                 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
 956                         if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
 957                                 continue;
 958
 959                         os_free(ssid->ssid);
 960                         ssid->ssid = os_malloc(bss->ssid_len);
 961                         if (ssid->ssid == NULL)
 962                                 break;
 963                         os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
 964                         ssid->ssid_len = bss->ssid_len;
 965                         wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
 966                                           "scan results",
 967                                           ssid->ssid, ssid->ssid_len);
 968                         count++;
 969                 }
 970
 971                 if (count > 1) {
 972                         wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
 973                                    "for the AP; use wildcard");
 974                         os_free(ssid->ssid);
 975                         ssid->ssid = NULL;
 976                         ssid->ssid_len = 0;
 977                 }
 978 #endif /* CONFIG_P2P */
 979         }
 980
 981         return ssid;
 982 }
 983
 984
 985 static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s,
 986                                   struct wpa_ssid *selected)
 987 {
 988         struct wpa_ssid *ssid;
 989
 990         if (wpa_s->current_ssid)
 991                 wpa_supplicant_deauthenticate(
 992                         wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 993
 994         /* Mark all other networks disabled and trigger reassociation */
 995         ssid = wpa_s->conf->ssid;
 996         while (ssid) {
 997                 int was_disabled = ssid->disabled;
 998                 ssid->disabled_for_connect = 0;
 999                 /*
1000                  * In case the network object corresponds to a persistent group
1001                  * then do not send out network disabled signal. In addition,
1002                  * do not change disabled status of persistent network objects
1003                  * from 2 to 1 should we connect to another network.
1004                  */
1005                 if (was_disabled != 2) {
1006                         ssid->disabled = ssid != selected;
1007                         if (was_disabled != ssid->disabled) {
1008                                 if (ssid->disabled)
1009                                         ssid->disabled_for_connect = 1;
1010                                 wpas_notify_network_enabled_changed(wpa_s,
1011                                                                     ssid);
1012                         }
1013                 }
1014                 ssid = ssid->next;
1015         }
1016 }
1017
1018
1019 static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
1020                              struct wpa_ssid *selected, const u8 *bssid,
1021                              int freq)
1022 {
1023         struct wpa_bss *bss;
1024
1025         wpa_s->after_wps = 0;
1026         wpa_s->known_wps_freq = 0;
1027         if (freq) {
1028                 wpa_s->after_wps = 5;
1029                 wpa_s->wps_freq = freq;
1030         } else if (bssid) {
1031                 bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
1032                 if (bss && bss->freq > 0) {
1033                         wpa_s->known_wps_freq = 1;
1034                         wpa_s->wps_freq = bss->freq;
1035                 }
1036         }
1037
1038         wpas_wps_temp_disable(wpa_s, selected);
1039
1040         wpa_s->disconnected = 0;
1041         wpa_s->reassociate = 1;
1042         wpa_s->scan_runs = 0;
1043         wpa_s->normal_scans = 0;
1044         wpa_s->wps_success = 0;
1045         wpa_s->blacklist_cleared = 0;
1046
1047         wpa_supplicant_cancel_sched_scan(wpa_s);
1048         wpa_supplicant_req_scan(wpa_s, 0, 0);
1049 }
1050
1051
1052 int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
1053                        int p2p_group)
1054 {
1055         struct wpa_ssid *ssid;
1056         wpas_clear_wps(wpa_s);
1057         ssid = wpas_wps_add_network(wpa_s, 0, NULL, bssid);
1058         if (ssid == NULL)
1059                 return -1;
1060         ssid->temporary = 1;
1061         ssid->p2p_group = p2p_group;
1062 #ifdef CONFIG_P2P
1063         if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
1064                 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
1065                 if (ssid->ssid) {
1066                         ssid->ssid_len = wpa_s->go_params->ssid_len;
1067                         os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
1068                                   ssid->ssid_len);
1069                         wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
1070                                           "SSID", ssid->ssid, ssid->ssid_len);
1071                 }
1072         }
1073 #endif /* CONFIG_P2P */
1074         if (wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0) < 0)
1075                 return -1;
1076         if (wpa_s->wps_fragment_size)
1077                 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
1078         eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1079                                wpa_s, NULL);
1080         wpas_wps_reassoc(wpa_s, ssid, bssid, 0);
1081         return 0;
1082 }
1083
1084
1085 static int wpas_wps_start_dev_pw(struct wpa_supplicant *wpa_s,
1086                                  const u8 *dev_addr, const u8 *bssid,
1087                                  const char *pin, int p2p_group, u16 dev_pw_id,
1088                                  const u8 *peer_pubkey_hash,
1089                                  const u8 *ssid_val, size_t ssid_len, int freq)
1090 {
1091         struct wpa_ssid *ssid;
1092         char val[128 + 2 * WPS_OOB_PUBKEY_HASH_LEN];
1093         unsigned int rpin = 0;
1094         char hash[2 * WPS_OOB_PUBKEY_HASH_LEN + 10];
1095
1096         wpas_clear_wps(wpa_s);
1097         if (bssid && is_zero_ether_addr(bssid))
1098                 bssid = NULL;
1099         ssid = wpas_wps_add_network(wpa_s, 0, dev_addr, bssid);
1100         if (ssid == NULL) {
1101                 wpa_printf(MSG_DEBUG, "WPS: Could not add network");
1102                 return -1;
1103         }
1104         ssid->temporary = 1;
1105         ssid->p2p_group = p2p_group;
1106         if (ssid_val) {
1107                 ssid->ssid = os_malloc(ssid_len);
1108                 if (ssid->ssid) {
1109                         os_memcpy(ssid->ssid, ssid_val, ssid_len);
1110                         ssid->ssid_len = ssid_len;
1111                 }
1112         }
1113         if (peer_pubkey_hash) {
1114                 os_memcpy(hash, " pkhash=", 8);
1115                 wpa_snprintf_hex_uppercase(hash + 8, sizeof(hash) - 8,
1116                                            peer_pubkey_hash,
1117                                            WPS_OOB_PUBKEY_HASH_LEN);
1118         } else {
1119                 hash[0] = '\0';
1120         }
1121 #ifdef CONFIG_P2P
1122         if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
1123                 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
1124                 if (ssid->ssid) {
1125                         ssid->ssid_len = wpa_s->go_params->ssid_len;
1126                         os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
1127                                   ssid->ssid_len);
1128                         wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
1129                                           "SSID", ssid->ssid, ssid->ssid_len);
1130                 }
1131         }
1132 #endif /* CONFIG_P2P */
1133         if (pin)
1134                 os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u%s\"",
1135                             pin, dev_pw_id, hash);
1136         else if (pin == NULL && dev_pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) {
1137                 os_snprintf(val, sizeof(val), "\"dev_pw_id=%u%s\"",
1138                             dev_pw_id, hash);
1139         } else {
1140                 rpin = wps_generate_pin();
1141                 os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u%s\"",
1142                             rpin, dev_pw_id, hash);
1143         }
1144         if (wpa_config_set(ssid, "phase1", val, 0) < 0) {
1145                 wpa_printf(MSG_DEBUG, "WPS: Failed to set phase1 '%s'", val);
1146                 return -1;
1147         }
1148         if (wpa_s->wps_fragment_size)
1149                 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
1150         eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1151                                wpa_s, NULL);
1152         wpa_s->wps_ap_iter = 1;
1153         wpas_wps_reassoc(wpa_s, ssid, bssid, freq);
1154         return rpin;
1155 }
1156
1157
1158 int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
1159                        const char *pin, int p2p_group, u16 dev_pw_id)
1160 {
1161         return wpas_wps_start_dev_pw(wpa_s, NULL, bssid, pin, p2p_group,
1162                                      dev_pw_id, NULL, NULL, 0, 0);
1163 }
1164
1165
1166 /* Cancel the wps pbc/pin requests */
1167 int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
1168 {
1169 #ifdef CONFIG_AP
1170         if (wpa_s->ap_iface) {
1171                 wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode");
1172                 return wpa_supplicant_ap_wps_cancel(wpa_s);
1173         }
1174 #endif /* CONFIG_AP */
1175
1176         if (wpa_s->wpa_state == WPA_SCANNING ||
1177             wpa_s->wpa_state == WPA_DISCONNECTED) {
1178                 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan");
1179                 wpa_supplicant_cancel_scan(wpa_s);
1180                 wpas_clear_wps(wpa_s);
1181         } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1182                 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - "
1183                            "deauthenticate");
1184                 wpa_supplicant_deauthenticate(wpa_s,
1185                                               WLAN_REASON_DEAUTH_LEAVING);
1186                 wpas_clear_wps(wpa_s);
1187         } else {
1188                 wpas_wps_reenable_networks(wpa_s);
1189                 wpas_wps_clear_ap_info(wpa_s);
1190                 if (eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL) >
1191                     0)
1192                         wpas_clear_wps(wpa_s);
1193         }
1194
1195         wpa_s->after_wps = 0;
1196
1197         return 0;
1198 }
1199
1200
1201 int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
1202                        const char *pin, struct wps_new_ap_settings *settings)
1203 {
1204         struct wpa_ssid *ssid;
1205         char val[200];
1206         char *pos, *end;
1207         int res;
1208
1209         if (!pin)
1210                 return -1;
1211         wpas_clear_wps(wpa_s);
1212         ssid = wpas_wps_add_network(wpa_s, 1, NULL, bssid);
1213         if (ssid == NULL)
1214                 return -1;
1215         ssid->temporary = 1;
1216         pos = val;
1217         end = pos + sizeof(val);
1218         res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
1219         if (res < 0 || res >= end - pos)
1220                 return -1;
1221         pos += res;
1222         if (settings) {
1223                 res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
1224                                   "new_encr=%s new_key=%s",
1225                                   settings->ssid_hex, settings->auth,
1226                                   settings->encr, settings->key_hex);
1227                 if (res < 0 || res >= end - pos)
1228                         return -1;
1229                 pos += res;
1230         }
1231         res = os_snprintf(pos, end - pos, "\"");
1232         if (res < 0 || res >= end - pos)
1233                 return -1;
1234         if (wpa_config_set(ssid, "phase1", val, 0) < 0)
1235                 return -1;
1236         if (wpa_s->wps_fragment_size)
1237                 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
1238         eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1239                                wpa_s, NULL);
1240         wpas_wps_reassoc(wpa_s, ssid, bssid, 0);
1241         return 0;
1242 }
1243
1244
1245 static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr,
1246                                const u8 *p2p_dev_addr, const u8 *psk,
1247                                size_t psk_len)
1248 {
1249         if (is_zero_ether_addr(p2p_dev_addr)) {
1250                 wpa_printf(MSG_DEBUG,
1251                            "Received new WPA/WPA2-PSK from WPS for STA " MACSTR,
1252                            MAC2STR(mac_addr));
1253         } else {
1254                 wpa_printf(MSG_DEBUG,
1255                            "Received new WPA/WPA2-PSK from WPS for STA " MACSTR
1256                            " P2P Device Addr " MACSTR,
1257                            MAC2STR(mac_addr), MAC2STR(p2p_dev_addr));
1258         }
1259         wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
1260
1261         /* TODO */
1262
1263         return 0;
1264 }
1265
1266
1267 static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
1268                                    const struct wps_device_data *dev)
1269 {
1270         char uuid[40], txt[400];
1271         int len;
1272         char devtype[WPS_DEV_TYPE_BUFSIZE];
1273         if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
1274                 return;
1275         wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid);
1276         len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR
1277                           " [%s|%s|%s|%s|%s|%s]",
1278                           uuid, MAC2STR(dev->mac_addr), dev->device_name,
1279                           dev->manufacturer, dev->model_name,
1280                           dev->model_number, dev->serial_number,
1281                           wps_dev_type_bin2str(dev->pri_dev_type, devtype,
1282                                                sizeof(devtype)));
1283         if (len > 0 && len < (int) sizeof(txt))
1284                 wpa_printf(MSG_INFO, "%s", txt);
1285 }
1286
1287
1288 static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
1289                                     u16 sel_reg_config_methods)
1290 {
1291 #ifdef CONFIG_WPS_ER
1292         struct wpa_supplicant *wpa_s = ctx;
1293
1294         if (wpa_s->wps_er == NULL)
1295                 return;
1296         wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
1297                    "dev_password_id=%u sel_reg_config_methods=0x%x",
1298                    sel_reg, dev_passwd_id, sel_reg_config_methods);
1299         wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
1300                            sel_reg_config_methods);
1301 #endif /* CONFIG_WPS_ER */
1302 }
1303
1304
1305 static u16 wps_fix_config_methods(u16 config_methods)
1306 {
1307 #ifdef CONFIG_WPS2
1308         if ((config_methods &
1309              (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
1310               WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
1311                 wpa_printf(MSG_INFO, "WPS: Converting display to "
1312                            "virtual_display for WPS 2.0 compliance");
1313                 config_methods |= WPS_CONFIG_VIRT_DISPLAY;
1314         }
1315         if ((config_methods &
1316              (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
1317               WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
1318                 wpa_printf(MSG_INFO, "WPS: Converting push_button to "
1319                            "virtual_push_button for WPS 2.0 compliance");
1320                 config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
1321         }
1322 #endif /* CONFIG_WPS2 */
1323
1324         return config_methods;
1325 }
1326
1327
1328 static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
1329                               struct wps_context *wps)
1330 {
1331         char buf[50];
1332         const char *src;
1333
1334         if (is_nil_uuid(wpa_s->conf->uuid)) {
1335                 struct wpa_supplicant *first;
1336                 first = wpa_s->global->ifaces;
1337                 while (first && first->next)
1338                         first = first->next;
1339                 if (first && first != wpa_s) {
1340                         if (wps != wpa_s->global->ifaces->wps)
1341                                 os_memcpy(wps->uuid,
1342                                           wpa_s->global->ifaces->wps->uuid,
1343                                           WPS_UUID_LEN);
1344                         src = "from the first interface";
1345                 } else {
1346                         uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
1347                         src = "based on MAC address";
1348                 }
1349         } else {
1350                 os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
1351                 src = "based on configuration";
1352         }
1353
1354         uuid_bin2str(wps->uuid, buf, sizeof(buf));
1355         wpa_dbg(wpa_s, MSG_DEBUG, "WPS: UUID %s: %s", src, buf);
1356 }
1357
1358
1359 static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s,
1360                                        struct wps_context *wps)
1361 {
1362         wpabuf_free(wps->dev.vendor_ext_m1);
1363         wps->dev.vendor_ext_m1 = NULL;
1364
1365         if (wpa_s->conf->wps_vendor_ext_m1) {
1366                 wps->dev.vendor_ext_m1 =
1367                         wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1);
1368                 if (!wps->dev.vendor_ext_m1) {
1369                         wpa_printf(MSG_ERROR, "WPS: Cannot "
1370                                    "allocate memory for vendor_ext_m1");
1371                 }
1372         }
1373 }
1374
1375
1376 int wpas_wps_init(struct wpa_supplicant *wpa_s)
1377 {
1378         struct wps_context *wps;
1379         struct wps_registrar_config rcfg;
1380         struct hostapd_hw_modes *modes;
1381         u16 m;
1382
1383         wps = os_zalloc(sizeof(*wps));
1384         if (wps == NULL)
1385                 return -1;
1386
1387         wps->cred_cb = wpa_supplicant_wps_cred;
1388         wps->event_cb = wpa_supplicant_wps_event;
1389         wps->rf_band_cb = wpa_supplicant_wps_rf_band;
1390         wps->cb_ctx = wpa_s;
1391
1392         wps->dev.device_name = wpa_s->conf->device_name;
1393         wps->dev.manufacturer = wpa_s->conf->manufacturer;
1394         wps->dev.model_name = wpa_s->conf->model_name;
1395         wps->dev.model_number = wpa_s->conf->model_number;
1396         wps->dev.serial_number = wpa_s->conf->serial_number;
1397         wps->config_methods =
1398                 wps_config_methods_str2bin(wpa_s->conf->config_methods);
1399         if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1400             (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1401                 wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
1402                            "methods are not allowed at the same time");
1403                 os_free(wps);
1404                 return -1;
1405         }
1406         wps->config_methods = wps_fix_config_methods(wps->config_methods);
1407         wps->dev.config_methods = wps->config_methods;
1408         os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
1409                   WPS_DEV_TYPE_LEN);
1410
1411         wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
1412         os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
1413                   WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types);
1414
1415         wpas_wps_set_vendor_ext_m1(wpa_s, wps);
1416
1417         wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
1418         modes = wpa_s->hw.modes;
1419         if (modes) {
1420                 for (m = 0; m < wpa_s->hw.num_modes; m++) {
1421                         if (modes[m].mode == HOSTAPD_MODE_IEEE80211B ||
1422                             modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1423                                 wps->dev.rf_bands |= WPS_RF_24GHZ;
1424                         else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A)
1425                                 wps->dev.rf_bands |= WPS_RF_50GHZ;
1426                 }
1427         }
1428         if (wps->dev.rf_bands == 0) {
1429                 /*
1430                  * Default to claiming support for both bands if the driver
1431                  * does not provide support for fetching supported bands.
1432                  */
1433                 wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
1434         }
1435         os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
1436         wpas_wps_set_uuid(wpa_s, wps);
1437
1438         wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
1439         wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
1440
1441         os_memset(&rcfg, 0, sizeof(rcfg));
1442         rcfg.new_psk_cb = wpas_wps_new_psk_cb;
1443         rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
1444         rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb;
1445         rcfg.cb_ctx = wpa_s;
1446
1447         wps->registrar = wps_registrar_init(wps, &rcfg);
1448         if (wps->registrar == NULL) {
1449                 wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
1450                 os_free(wps);
1451                 return -1;
1452         }
1453
1454         wpa_s->wps = wps;
1455
1456         return 0;
1457 }
1458
1459
1460 #ifdef CONFIG_WPS_ER
1461 static void wpas_wps_nfc_clear(struct wps_context *wps)
1462 {
1463         wps->ap_nfc_dev_pw_id = 0;
1464         wpabuf_free(wps->ap_nfc_dh_pubkey);
1465         wps->ap_nfc_dh_pubkey = NULL;
1466         wpabuf_free(wps->ap_nfc_dh_privkey);
1467         wps->ap_nfc_dh_privkey = NULL;
1468         wpabuf_free(wps->ap_nfc_dev_pw);
1469         wps->ap_nfc_dev_pw = NULL;
1470 }
1471 #endif /* CONFIG_WPS_ER */
1472
1473
1474 void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
1475 {
1476         eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
1477         eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
1478         eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
1479         wpas_wps_clear_ap_info(wpa_s);
1480
1481         if (wpa_s->wps == NULL)
1482                 return;
1483
1484 #ifdef CONFIG_WPS_ER
1485         wps_er_deinit(wpa_s->wps_er, NULL, NULL);
1486         wpa_s->wps_er = NULL;
1487         wpas_wps_nfc_clear(wpa_s->wps);
1488 #endif /* CONFIG_WPS_ER */
1489
1490         wps_registrar_deinit(wpa_s->wps->registrar);
1491         wpabuf_free(wpa_s->wps->dh_pubkey);
1492         wpabuf_free(wpa_s->wps->dh_privkey);
1493         wpabuf_free(wpa_s->wps->dev.vendor_ext_m1);
1494         os_free(wpa_s->wps->network_key);
1495         os_free(wpa_s->wps);
1496         wpa_s->wps = NULL;
1497 }
1498
1499
1500 int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
1501                             struct wpa_ssid *ssid, struct wpa_bss *bss)
1502 {
1503         struct wpabuf *wps_ie;
1504
1505         if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
1506                 return -1;
1507
1508         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1509         if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1510                 if (!wps_ie) {
1511                         wpa_printf(MSG_DEBUG, "   skip - non-WPS AP");
1512                         return 0;
1513                 }
1514
1515                 if (!wps_is_selected_pbc_registrar(wps_ie)) {
1516                         wpa_printf(MSG_DEBUG, "   skip - WPS AP "
1517                                    "without active PBC Registrar");
1518                         wpabuf_free(wps_ie);
1519                         return 0;
1520                 }
1521
1522                 /* TODO: overlap detection */
1523                 wpa_printf(MSG_DEBUG, "   selected based on WPS IE "
1524                            "(Active PBC)");
1525                 wpabuf_free(wps_ie);
1526                 return 1;
1527         }
1528
1529         if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1530                 if (!wps_ie) {
1531                         wpa_printf(MSG_DEBUG, "   skip - non-WPS AP");
1532                         return 0;
1533                 }
1534
1535                 /*
1536                  * Start with WPS APs that advertise our address as an
1537                  * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
1538                  * allow any WPS AP after couple of scans since some APs do not
1539                  * set Selected Registrar attribute properly when using
1540                  * external Registrar.
1541                  */
1542                 if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
1543                         if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
1544                                 wpa_printf(MSG_DEBUG, "   skip - WPS AP "
1545                                            "without active PIN Registrar");
1546                                 wpabuf_free(wps_ie);
1547                                 return 0;
1548                         }
1549                         wpa_printf(MSG_DEBUG, "   selected based on WPS IE");
1550                 } else {
1551                         wpa_printf(MSG_DEBUG, "   selected based on WPS IE "
1552                                    "(Authorized MAC or Active PIN)");
1553                 }
1554                 wpabuf_free(wps_ie);
1555                 return 1;
1556         }
1557
1558         if (wps_ie) {
1559                 wpa_printf(MSG_DEBUG, "   selected based on WPS IE");
1560                 wpabuf_free(wps_ie);
1561                 return 1;
1562         }
1563
1564         return -1;
1565 }
1566
1567
1568 int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
1569                               struct wpa_ssid *ssid,
1570                               struct wpa_bss *bss)
1571 {
1572         struct wpabuf *wps_ie = NULL;
1573         int ret = 0;
1574
1575         if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1576                 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1577                 if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
1578                         /* allow wildcard SSID for WPS PBC */
1579                         ret = 1;
1580                 }
1581         } else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1582                 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1583                 if (wps_ie &&
1584                     (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
1585                      wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
1586                         /* allow wildcard SSID for WPS PIN */
1587                         ret = 1;
1588                 }
1589         }
1590
1591         if (!ret && ssid->bssid_set &&
1592             os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
1593                 /* allow wildcard SSID due to hardcoded BSSID match */
1594                 ret = 1;
1595         }
1596
1597 #ifdef CONFIG_WPS_STRICT
1598         if (wps_ie) {
1599                 if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
1600                                                    0, bss->bssid) < 0)
1601                         ret = 0;
1602                 if (bss->beacon_ie_len) {
1603                         struct wpabuf *bcn_wps;
1604                         bcn_wps = wpa_bss_get_vendor_ie_multi_beacon(
1605                                 bss, WPS_IE_VENDOR_TYPE);
1606                         if (bcn_wps == NULL) {
1607                                 wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
1608                                            "missing from AP Beacon");
1609                                 ret = 0;
1610                         } else {
1611                                 if (wps_validate_beacon(wps_ie) < 0)
1612                                         ret = 0;
1613                                 wpabuf_free(bcn_wps);
1614                         }
1615                 }
1616         }
1617 #endif /* CONFIG_WPS_STRICT */
1618
1619         wpabuf_free(wps_ie);
1620
1621         return ret;
1622 }
1623
1624
1625 int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
1626                               struct wpa_bss *selected, struct wpa_ssid *ssid)
1627 {
1628         const u8 *sel_uuid, *uuid;
1629         struct wpabuf *wps_ie;
1630         int ret = 0;
1631         struct wpa_bss *bss;
1632
1633         if (!eap_is_wps_pbc_enrollee(&ssid->eap))
1634                 return 0;
1635
1636         wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
1637                    "present in scan results; selected BSSID " MACSTR,
1638                    MAC2STR(selected->bssid));
1639
1640         /* Make sure that only one AP is in active PBC mode */
1641         wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
1642         if (wps_ie) {
1643                 sel_uuid = wps_get_uuid_e(wps_ie);
1644                 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
1645                             sel_uuid, UUID_LEN);
1646         } else {
1647                 wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
1648                            "WPS IE?!");
1649                 sel_uuid = NULL;
1650         }
1651
1652         dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1653                 struct wpabuf *ie;
1654                 if (bss == selected)
1655                         continue;
1656                 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1657                 if (!ie)
1658                         continue;
1659                 if (!wps_is_selected_pbc_registrar(ie)) {
1660                         wpabuf_free(ie);
1661                         continue;
1662                 }
1663                 wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
1664                            MACSTR, MAC2STR(bss->bssid));
1665                 uuid = wps_get_uuid_e(ie);
1666                 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
1667                             uuid, UUID_LEN);
1668                 if (sel_uuid == NULL || uuid == NULL ||
1669                     os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) {
1670                         ret = 1; /* PBC overlap */
1671                         wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
1672                                 MACSTR " and " MACSTR,
1673                                 MAC2STR(selected->bssid),
1674                                 MAC2STR(bss->bssid));
1675                         wpabuf_free(ie);
1676                         break;
1677                 }
1678
1679                 /* TODO: verify that this is reasonable dual-band situation */
1680
1681                 wpabuf_free(ie);
1682         }
1683
1684         wpabuf_free(wps_ie);
1685
1686         return ret;
1687 }
1688
1689
1690 void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
1691 {
1692         struct wpa_bss *bss;
1693         unsigned int pbc = 0, auth = 0, pin = 0, wps = 0;
1694
1695         if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
1696                 return;
1697
1698         dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1699                 struct wpabuf *ie;
1700                 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1701                 if (!ie)
1702                         continue;
1703                 if (wps_is_selected_pbc_registrar(ie))
1704                         pbc++;
1705                 else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
1706                         auth++;
1707                 else if (wps_is_selected_pin_registrar(ie))
1708                         pin++;
1709                 else
1710                         wps++;
1711                 wpabuf_free(ie);
1712         }
1713
1714         if (pbc)
1715                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
1716         else if (auth)
1717                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH);
1718         else if (pin)
1719                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
1720         else if (wps)
1721                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
1722 }
1723
1724
1725 int wpas_wps_searching(struct wpa_supplicant *wpa_s)
1726 {
1727         struct wpa_ssid *ssid;
1728
1729         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1730                 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
1731                         return 1;
1732         }
1733
1734         return 0;
1735 }
1736
1737
1738 int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
1739                               char *end)
1740 {
1741         struct wpabuf *wps_ie;
1742         int ret;
1743
1744         wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
1745         if (wps_ie == NULL)
1746                 return 0;
1747
1748         ret = wps_attr_text(wps_ie, buf, end);
1749         wpabuf_free(wps_ie);
1750         return ret;
1751 }
1752
1753
1754 int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
1755 {
1756 #ifdef CONFIG_WPS_ER
1757         if (wpa_s->wps_er) {
1758                 wps_er_refresh(wpa_s->wps_er);
1759                 return 0;
1760         }
1761         wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
1762         if (wpa_s->wps_er == NULL)
1763                 return -1;
1764         return 0;
1765 #else /* CONFIG_WPS_ER */
1766         return 0;
1767 #endif /* CONFIG_WPS_ER */
1768 }
1769
1770
1771 int wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
1772 {
1773 #ifdef CONFIG_WPS_ER
1774         wps_er_deinit(wpa_s->wps_er, NULL, NULL);
1775         wpa_s->wps_er = NULL;
1776 #endif /* CONFIG_WPS_ER */
1777         return 0;
1778 }
1779
1780
1781 #ifdef CONFIG_WPS_ER
1782 int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
1783                         const char *uuid, const char *pin)
1784 {
1785         u8 u[UUID_LEN];
1786         const u8 *use_uuid = NULL;
1787         u8 addr_buf[ETH_ALEN];
1788
1789         if (os_strcmp(uuid, "any") == 0) {
1790         } else if (uuid_str2bin(uuid, u) == 0) {
1791                 use_uuid = u;
1792         } else if (hwaddr_aton(uuid, addr_buf) == 0) {
1793                 use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf);
1794                 if (use_uuid == NULL)
1795                         return -1;
1796         } else
1797                 return -1;
1798         return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
1799                                      use_uuid,
1800                                      (const u8 *) pin, os_strlen(pin), 300);
1801 }
1802
1803
1804 int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
1805 {
1806         u8 u[UUID_LEN], *use_uuid = NULL;
1807         u8 addr[ETH_ALEN], *use_addr = NULL;
1808
1809         if (uuid_str2bin(uuid, u) == 0)
1810                 use_uuid = u;
1811         else if (hwaddr_aton(uuid, addr) == 0)
1812                 use_addr = addr;
1813         else
1814                 return -1;
1815         return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr);
1816 }
1817
1818
1819 int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
1820                       const char *pin)
1821 {
1822         u8 u[UUID_LEN], *use_uuid = NULL;
1823         u8 addr[ETH_ALEN], *use_addr = NULL;
1824
1825         if (uuid_str2bin(uuid, u) == 0)
1826                 use_uuid = u;
1827         else if (hwaddr_aton(uuid, addr) == 0)
1828                 use_addr = addr;
1829         else
1830                 return -1;
1831
1832         return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin,
1833                             os_strlen(pin));
1834 }
1835
1836
1837 static int wpas_wps_network_to_cred(struct wpa_ssid *ssid,
1838                                     struct wps_credential *cred)
1839 {
1840         os_memset(cred, 0, sizeof(*cred));
1841         if (ssid->ssid_len > 32)
1842                 return -1;
1843         os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len);
1844         cred->ssid_len = ssid->ssid_len;
1845         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
1846                 cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ?
1847                         WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
1848                 if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
1849                         cred->encr_type = WPS_ENCR_AES;
1850                 else
1851                         cred->encr_type = WPS_ENCR_TKIP;
1852                 if (ssid->passphrase) {
1853                         cred->key_len = os_strlen(ssid->passphrase);
1854                         if (cred->key_len >= 64)
1855                                 return -1;
1856                         os_memcpy(cred->key, ssid->passphrase, cred->key_len);
1857                 } else if (ssid->psk_set) {
1858                         cred->key_len = 32;
1859                         os_memcpy(cred->key, ssid->psk, 32);
1860                 } else
1861                         return -1;
1862         } else {
1863                 cred->auth_type = WPS_AUTH_OPEN;
1864                 cred->encr_type = WPS_ENCR_NONE;
1865         }
1866
1867         return 0;
1868 }
1869
1870
1871 int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
1872                            int id)
1873 {
1874         u8 u[UUID_LEN], *use_uuid = NULL;
1875         u8 addr[ETH_ALEN], *use_addr = NULL;
1876         struct wpa_ssid *ssid;
1877         struct wps_credential cred;
1878
1879         if (uuid_str2bin(uuid, u) == 0)
1880                 use_uuid = u;
1881         else if (hwaddr_aton(uuid, addr) == 0)
1882                 use_addr = addr;
1883         else
1884                 return -1;
1885         ssid = wpa_config_get_network(wpa_s->conf, id);
1886         if (ssid == NULL || ssid->ssid == NULL)
1887                 return -1;
1888
1889         if (wpas_wps_network_to_cred(ssid, &cred) < 0)
1890                 return -1;
1891         return wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred);
1892 }
1893
1894
1895 int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
1896                        const char *pin, struct wps_new_ap_settings *settings)
1897 {
1898         u8 u[UUID_LEN], *use_uuid = NULL;
1899         u8 addr[ETH_ALEN], *use_addr = NULL;
1900         struct wps_credential cred;
1901         size_t len;
1902
1903         if (uuid_str2bin(uuid, u) == 0)
1904                 use_uuid = u;
1905         else if (hwaddr_aton(uuid, addr) == 0)
1906                 use_addr = addr;
1907         else
1908                 return -1;
1909         if (settings->ssid_hex == NULL || settings->auth == NULL ||
1910             settings->encr == NULL || settings->key_hex == NULL)
1911                 return -1;
1912
1913         os_memset(&cred, 0, sizeof(cred));
1914         len = os_strlen(settings->ssid_hex);
1915         if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
1916             hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
1917                 return -1;
1918         cred.ssid_len = len / 2;
1919
1920         len = os_strlen(settings->key_hex);
1921         if ((len & 1) || len > 2 * sizeof(cred.key) ||
1922             hexstr2bin(settings->key_hex, cred.key, len / 2))
1923                 return -1;
1924         cred.key_len = len / 2;
1925
1926         if (os_strcmp(settings->auth, "OPEN") == 0)
1927                 cred.auth_type = WPS_AUTH_OPEN;
1928         else if (os_strcmp(settings->auth, "WPAPSK") == 0)
1929                 cred.auth_type = WPS_AUTH_WPAPSK;
1930         else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
1931                 cred.auth_type = WPS_AUTH_WPA2PSK;
1932         else
1933                 return -1;
1934
1935         if (os_strcmp(settings->encr, "NONE") == 0)
1936                 cred.encr_type = WPS_ENCR_NONE;
1937         else if (os_strcmp(settings->encr, "WEP") == 0)
1938                 cred.encr_type = WPS_ENCR_WEP;
1939         else if (os_strcmp(settings->encr, "TKIP") == 0)
1940                 cred.encr_type = WPS_ENCR_TKIP;
1941         else if (os_strcmp(settings->encr, "CCMP") == 0)
1942                 cred.encr_type = WPS_ENCR_AES;
1943         else
1944                 return -1;
1945
1946         return wps_er_config(wpa_s->wps_er, use_uuid, use_addr,
1947                              (const u8 *) pin, os_strlen(pin), &cred);
1948 }
1949
1950
1951 #ifdef CONFIG_WPS_NFC
1952 struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s,
1953                                              int ndef, const char *uuid)
1954 {
1955         struct wpabuf *ret;
1956         u8 u[UUID_LEN], *use_uuid = NULL;
1957         u8 addr[ETH_ALEN], *use_addr = NULL;
1958
1959         if (!wpa_s->wps_er)
1960                 return NULL;
1961
1962         if (uuid_str2bin(uuid, u) == 0)
1963                 use_uuid = u;
1964         else if (hwaddr_aton(uuid, addr) == 0)
1965                 use_addr = addr;
1966         else
1967                 return NULL;
1968
1969         ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
1970         if (ndef && ret) {
1971                 struct wpabuf *tmp;
1972                 tmp = ndef_build_wifi(ret);
1973                 wpabuf_free(ret);
1974                 if (tmp == NULL)
1975                         return NULL;
1976                 ret = tmp;
1977         }
1978
1979         return ret;
1980 }
1981 #endif /* CONFIG_WPS_NFC */
1982
1983
1984 static int callbacks_pending = 0;
1985
1986 static void wpas_wps_terminate_cb(void *ctx)
1987 {
1988         wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
1989         if (--callbacks_pending <= 0)
1990                 eloop_terminate();
1991 }
1992 #endif /* CONFIG_WPS_ER */
1993
1994
1995 int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
1996 {
1997 #ifdef CONFIG_WPS_ER
1998         if (wpa_s->wps_er) {
1999                 callbacks_pending++;
2000                 wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
2001                 wpa_s->wps_er = NULL;
2002                 return 1;
2003         }
2004 #endif /* CONFIG_WPS_ER */
2005         return 0;
2006 }
2007
2008
2009 void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
2010 {
2011         struct wps_context *wps = wpa_s->wps;
2012
2013         if (wps == NULL)
2014                 return;
2015
2016         if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
2017                 wps->config_methods = wps_config_methods_str2bin(
2018                         wpa_s->conf->config_methods);
2019                 if ((wps->config_methods &
2020                      (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
2021                     (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
2022                         wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
2023                                    "config methods are not allowed at the "
2024                                    "same time");
2025                         wps->config_methods &= ~WPS_CONFIG_LABEL;
2026                 }
2027         }
2028         wps->config_methods = wps_fix_config_methods(wps->config_methods);
2029         wps->dev.config_methods = wps->config_methods;
2030
2031         if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
2032                 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
2033                           WPS_DEV_TYPE_LEN);
2034
2035         if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
2036                 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
2037                 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
2038                           wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN);
2039         }
2040
2041         if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION)
2042                 wpas_wps_set_vendor_ext_m1(wpa_s, wps);
2043
2044         if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
2045                 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
2046
2047         if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)
2048                 wpas_wps_set_uuid(wpa_s, wps);
2049
2050         if (wpa_s->conf->changed_parameters &
2051             (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {
2052                 /* Update pointers to make sure they refer current values */
2053                 wps->dev.device_name = wpa_s->conf->device_name;
2054                 wps->dev.manufacturer = wpa_s->conf->manufacturer;
2055                 wps->dev.model_name = wpa_s->conf->model_name;
2056                 wps->dev.model_number = wpa_s->conf->model_number;
2057                 wps->dev.serial_number = wpa_s->conf->serial_number;
2058         }
2059 }
2060
2061
2062 #ifdef CONFIG_WPS_NFC
2063
2064 #ifdef CONFIG_WPS_ER
2065 static struct wpabuf *
2066 wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef,
2067                               struct wpa_ssid *ssid)
2068 {
2069         struct wpabuf *ret;
2070         struct wps_credential cred;
2071
2072         if (wpas_wps_network_to_cred(ssid, &cred) < 0)
2073                 return NULL;
2074
2075         ret = wps_er_config_token_from_cred(wpa_s->wps, &cred);
2076
2077         if (ndef && ret) {
2078                 struct wpabuf *tmp;
2079                 tmp = ndef_build_wifi(ret);
2080                 wpabuf_free(ret);
2081                 if (tmp == NULL)
2082                         return NULL;
2083                 ret = tmp;
2084         }
2085
2086         return ret;
2087 }
2088 #endif /* CONFIG_WPS_ER */
2089
2090
2091 struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
2092                                           int ndef, const char *id_str)
2093 {
2094 #ifdef CONFIG_WPS_ER
2095         if (id_str) {
2096                 int id;
2097                 char *end = NULL;
2098                 struct wpa_ssid *ssid;
2099
2100                 id = strtol(id_str, &end, 10);
2101                 if (end && *end)
2102                         return NULL;
2103
2104                 ssid = wpa_config_get_network(wpa_s->conf, id);
2105                 if (ssid == NULL)
2106                         return NULL;
2107                 return wpas_wps_network_config_token(wpa_s, ndef, ssid);
2108         }
2109 #endif /* CONFIG_WPS_ER */
2110 #ifdef CONFIG_AP
2111         if (wpa_s->ap_iface)
2112                 return wpas_ap_wps_nfc_config_token(wpa_s, ndef);
2113 #endif /* CONFIG_AP */
2114         return NULL;
2115 }
2116
2117
2118 struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef)
2119 {
2120         if (wpa_s->conf->wps_nfc_pw_from_config) {
2121                 return wps_nfc_token_build(ndef,
2122                                            wpa_s->conf->wps_nfc_dev_pw_id,
2123                                            wpa_s->conf->wps_nfc_dh_pubkey,
2124                                            wpa_s->conf->wps_nfc_dev_pw);
2125         }
2126
2127         return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id,
2128                                  &wpa_s->conf->wps_nfc_dh_pubkey,
2129                                  &wpa_s->conf->wps_nfc_dh_privkey,
2130                                  &wpa_s->conf->wps_nfc_dev_pw);
2131 }
2132
2133
2134 int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *go_dev_addr,
2135                        const u8 *bssid,
2136                        const struct wpabuf *dev_pw, u16 dev_pw_id,
2137                        int p2p_group, const u8 *peer_pubkey_hash,
2138                        const u8 *ssid, size_t ssid_len, int freq)
2139 {
2140         struct wps_context *wps = wpa_s->wps;
2141         char pw[32 * 2 + 1];
2142
2143         if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) {
2144                 dev_pw = wpa_s->conf->wps_nfc_dev_pw;
2145                 dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id;
2146         }
2147
2148         if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
2149             wpa_s->conf->wps_nfc_dh_privkey == NULL) {
2150                 wpa_printf(MSG_DEBUG, "WPS: Missing DH params - "
2151                            "cannot start NFC-triggered connection");
2152                 return -1;
2153         }
2154
2155         if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) {
2156                 wpa_printf(MSG_DEBUG, "WPS: Missing Device Password (id=%u) - "
2157                            "cannot start NFC-triggered connection", dev_pw_id);
2158                 return -1;
2159         }
2160
2161         dh5_free(wps->dh_ctx);
2162         wpabuf_free(wps->dh_pubkey);
2163         wpabuf_free(wps->dh_privkey);
2164         wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
2165         wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
2166         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
2167                 wps->dh_ctx = NULL;
2168                 wpabuf_free(wps->dh_pubkey);
2169                 wps->dh_pubkey = NULL;
2170                 wpabuf_free(wps->dh_privkey);
2171                 wps->dh_privkey = NULL;
2172                 wpa_printf(MSG_DEBUG, "WPS: Failed to get DH priv/pub key");
2173                 return -1;
2174         }
2175         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
2176         if (wps->dh_ctx == NULL) {
2177                 wpabuf_free(wps->dh_pubkey);
2178                 wps->dh_pubkey = NULL;
2179                 wpabuf_free(wps->dh_privkey);
2180                 wps->dh_privkey = NULL;
2181                 wpa_printf(MSG_DEBUG, "WPS: Failed to initialize DH context");
2182                 return -1;
2183         }
2184
2185         if (dev_pw) {
2186                 wpa_snprintf_hex_uppercase(pw, sizeof(pw),
2187                                            wpabuf_head(dev_pw),
2188                                            wpabuf_len(dev_pw));
2189         }
2190         return wpas_wps_start_dev_pw(wpa_s, go_dev_addr, bssid,
2191                                      dev_pw ? pw : NULL,
2192                                      p2p_group, dev_pw_id, peer_pubkey_hash,
2193                                      ssid, ssid_len, freq);
2194 }
2195
2196
2197 static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s,
2198                              struct wps_parse_attr *attr)
2199 {
2200         wpa_s->wps_ap_channel = 0;
2201
2202         /*
2203          * Disable existing networks temporarily to allow the newly learned
2204          * credential to be preferred. Enable the temporarily disabled networks
2205          * after 10 seconds.
2206          */
2207         wpas_wps_temp_disable(wpa_s, NULL);
2208         eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
2209                                NULL);
2210
2211         if (wps_oob_use_cred(wpa_s->wps, attr) < 0)
2212                 return -1;
2213
2214         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
2215                 return 0;
2216
2217         if (!wpa_s->wps_ap_channel && attr->ap_channel) {
2218                 wpa_s->wps_ap_channel = WPA_GET_BE16(attr->ap_channel);
2219                 wpa_printf(MSG_DEBUG, "WPS: Credential container indicated AP Channel %d",
2220                            wpa_s->wps_ap_channel);
2221         }
2222
2223         wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network "
2224                    "based on the received credential added");
2225         wpa_s->normal_scans = 0;
2226         wpa_supplicant_reinit_autoscan(wpa_s);
2227         if (wpa_s->wps_ap_channel) {
2228                 u16 chan = wpa_s->wps_ap_channel;
2229                 int freq = 0;
2230
2231                 if (chan >= 1 && chan <= 13)
2232                         freq = 2407 + 5 * chan;
2233                 else if (chan == 14)
2234                         freq = 2484;
2235                 else if (chan >= 30)
2236                         freq = 5000 + 5 * chan;
2237
2238                 if (freq) {
2239                         wpa_printf(MSG_DEBUG, "WPS: Credential indicated "
2240                                    "AP channel %u -> %u MHz", chan, freq);
2241                         wpa_s->after_wps = 5;
2242                         wpa_s->wps_freq = freq;
2243                 }
2244         }
2245         wpa_s->disconnected = 0;
2246         wpa_s->reassociate = 1;
2247
2248         wpa_supplicant_cancel_sched_scan(wpa_s);
2249         wpa_supplicant_req_scan(wpa_s, 0, 0);
2250
2251         return 0;
2252 }
2253
2254
2255 #ifdef CONFIG_WPS_ER
2256 static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s,
2257                                            struct wps_parse_attr *attr)
2258 {
2259         return wps_registrar_add_nfc_password_token(
2260                 wpa_s->wps->registrar, attr->oob_dev_password,
2261                 attr->oob_dev_password_len);
2262 }
2263 #endif /* CONFIG_WPS_ER */
2264
2265
2266 static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s,
2267                                     const struct wpabuf *wps)
2268 {
2269         struct wps_parse_attr attr;
2270
2271         wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps);
2272
2273         if (wps_parse_msg(wps, &attr)) {
2274                 wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag");
2275                 return -1;
2276         }
2277
2278         if (attr.num_cred)
2279                 return wpas_wps_use_cred(wpa_s, &attr);
2280
2281 #ifdef CONFIG_WPS_ER
2282         if (attr.oob_dev_password)
2283                 return wpas_wps_add_nfc_password_token(wpa_s, &attr);
2284 #endif /* CONFIG_WPS_ER */
2285
2286         wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
2287         return -1;
2288 }
2289
2290
2291 int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s,
2292                           const struct wpabuf *data)
2293 {
2294         const struct wpabuf *wps = data;
2295         struct wpabuf *tmp = NULL;
2296         int ret;
2297
2298         if (wpabuf_len(data) < 4)
2299                 return -1;
2300
2301         if (*wpabuf_head_u8(data) != 0x10) {
2302                 /* Assume this contains full NDEF record */
2303                 tmp = ndef_parse_wifi(data);
2304                 if (tmp == NULL) {
2305 #ifdef CONFIG_P2P
2306                         tmp = ndef_parse_p2p(data);
2307                         if (tmp) {
2308                                 ret = wpas_p2p_nfc_tag_process(wpa_s, tmp);
2309                                 wpabuf_free(tmp);
2310                                 return ret;
2311                         }
2312 #endif /* CONFIG_P2P */
2313                         wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
2314                         return -1;
2315                 }
2316                 wps = tmp;
2317         }
2318
2319         ret = wpas_wps_nfc_tag_process(wpa_s, wps);
2320         wpabuf_free(tmp);
2321         return ret;
2322 }
2323
2324
2325 struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s,
2326                                           int ndef)
2327 {
2328         struct wpabuf *ret;
2329
2330         if (wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
2331             wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
2332                            &wpa_s->conf->wps_nfc_dh_privkey) < 0)
2333                 return NULL;
2334
2335         ret = wps_build_nfc_handover_req(wpa_s->wps,
2336                                          wpa_s->conf->wps_nfc_dh_pubkey);
2337
2338         if (ndef && ret) {
2339                 struct wpabuf *tmp;
2340                 tmp = ndef_build_wifi(ret);
2341                 wpabuf_free(ret);
2342                 if (tmp == NULL)
2343                         return NULL;
2344                 ret = tmp;
2345         }
2346
2347         return ret;
2348 }
2349
2350
2351 #ifdef CONFIG_WPS_NFC
2352
2353 static struct wpabuf *
2354 wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s, int ndef,
2355                              const char *uuid)
2356 {
2357 #ifdef CONFIG_WPS_ER
2358         struct wpabuf *ret;
2359         u8 u[UUID_LEN], *use_uuid = NULL;
2360         u8 addr[ETH_ALEN], *use_addr = NULL;
2361         struct wps_context *wps = wpa_s->wps;
2362
2363         if (wps == NULL)
2364                 return NULL;
2365
2366         if (uuid == NULL)
2367                 return NULL;
2368         if (uuid_str2bin(uuid, u) == 0)
2369                 use_uuid = u;
2370         else if (hwaddr_aton(uuid, addr) == 0)
2371                 use_addr = addr;
2372         else
2373                 return NULL;
2374
2375         if (wpa_s->conf->wps_nfc_dh_pubkey == NULL) {
2376                 if (wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
2377                                    &wpa_s->conf->wps_nfc_dh_privkey) < 0)
2378                         return NULL;
2379         }
2380
2381         wpas_wps_nfc_clear(wps);
2382         wps->ap_nfc_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER;
2383         wps->ap_nfc_dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
2384         wps->ap_nfc_dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
2385         if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey) {
2386                 wpas_wps_nfc_clear(wps);
2387                 return NULL;
2388         }
2389
2390         ret = wps_er_nfc_handover_sel(wpa_s->wps_er, wpa_s->wps, use_uuid,
2391                                       use_addr, wpa_s->conf->wps_nfc_dh_pubkey);
2392         if (ndef && ret) {
2393                 struct wpabuf *tmp;
2394                 tmp = ndef_build_wifi(ret);
2395                 wpabuf_free(ret);
2396                 if (tmp == NULL)
2397                         return NULL;
2398                 ret = tmp;
2399         }
2400
2401         return ret;
2402 #else /* CONFIG_WPS_ER */
2403         return NULL;
2404 #endif /* CONFIG_WPS_ER */
2405 }
2406 #endif /* CONFIG_WPS_NFC */
2407
2408
2409 struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
2410                                           int ndef, int cr, const char *uuid)
2411 {
2412         struct wpabuf *ret;
2413         if (!cr)
2414                 return NULL;
2415         ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef);
2416         if (ret)
2417                 return ret;
2418         return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid);
2419 }
2420
2421
2422 int wpas_wps_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
2423                                  const struct wpabuf *data)
2424 {
2425         /* TODO */
2426         return -1;
2427 }
2428
2429
2430 int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
2431                                  const struct wpabuf *data)
2432 {
2433         struct wpabuf *wps;
2434         int ret = -1;
2435         u16 wsc_len;
2436         const u8 *pos;
2437         struct wpabuf msg;
2438         struct wps_parse_attr attr;
2439         u16 dev_pw_id;
2440         const u8 *bssid = NULL;
2441         int freq = 0;
2442
2443         wps = ndef_parse_wifi(data);
2444         if (wps == NULL)
2445                 return -1;
2446         wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
2447                    "payload from NFC connection handover");
2448         wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps);
2449         if (wpabuf_len(wps) < 2) {
2450                 wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Select "
2451                            "Message");
2452                 goto out;
2453         }
2454         pos = wpabuf_head(wps);
2455         wsc_len = WPA_GET_BE16(pos);
2456         if (wsc_len > wpabuf_len(wps) - 2) {
2457                 wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) "
2458                            "in Wi-Fi Handover Select Message", wsc_len);
2459                 goto out;
2460         }
2461         pos += 2;
2462
2463         wpa_hexdump(MSG_DEBUG,
2464                     "WPS: WSC attributes in Wi-Fi Handover Select Message",
2465                     pos, wsc_len);
2466         if (wsc_len < wpabuf_len(wps) - 2) {
2467                 wpa_hexdump(MSG_DEBUG,
2468                             "WPS: Ignore extra data after WSC attributes",
2469                             pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len);
2470         }
2471
2472         wpabuf_set(&msg, pos, wsc_len);
2473         ret = wps_parse_msg(&msg, &attr);
2474         if (ret < 0) {
2475                 wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in "
2476                            "Wi-Fi Handover Select Message");
2477                 goto out;
2478         }
2479
2480         if (attr.oob_dev_password == NULL ||
2481             attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
2482                 wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password "
2483                            "included in Wi-Fi Handover Select Message");
2484                 ret = -1;
2485                 goto out;
2486         }
2487
2488         if (attr.ssid == NULL) {
2489                 wpa_printf(MSG_DEBUG, "WPS: No SSID included in Wi-Fi Handover "
2490                            "Select Message");
2491                 ret = -1;
2492                 goto out;
2493         }
2494
2495         wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", attr.ssid, attr.ssid_len);
2496
2497         if (attr.mac_addr) {
2498                 bssid = attr.mac_addr;
2499                 wpa_printf(MSG_DEBUG, "WPS: MAC Address (BSSID): " MACSTR,
2500                            MAC2STR(bssid));
2501         }
2502
2503         if (attr.rf_bands)
2504                 wpa_printf(MSG_DEBUG, "WPS: RF Bands: %d", *attr.rf_bands);
2505
2506         if (attr.ap_channel) {
2507                 u16 chan = WPA_GET_BE16(attr.ap_channel);
2508
2509                 wpa_printf(MSG_DEBUG, "WPS: AP Channel: %d", chan);
2510
2511                 if (chan >= 1 && chan <= 13 &&
2512                     (attr.rf_bands == NULL || *attr.rf_bands & WPS_RF_24GHZ))
2513                         freq = 2407 + 5 * chan;
2514                 else if (chan == 14 &&
2515                          (attr.rf_bands == NULL ||
2516                           *attr.rf_bands & WPS_RF_24GHZ))
2517                         freq = 2484;
2518                 else if (chan >= 30 &&
2519                          (attr.rf_bands == NULL ||
2520                           *attr.rf_bands & WPS_RF_50GHZ))
2521                         freq = 5000 + 5 * chan;
2522
2523                 if (freq) {
2524                         wpa_printf(MSG_DEBUG,
2525                                    "WPS: AP indicated channel %u -> %u MHz",
2526                                    chan, freq);
2527                 }
2528         }
2529
2530         wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password",
2531                     attr.oob_dev_password, attr.oob_dev_password_len);
2532         dev_pw_id = WPA_GET_BE16(attr.oob_dev_password +
2533                                  WPS_OOB_PUBKEY_HASH_LEN);
2534         if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) {
2535                 wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID "
2536                            "%u in Wi-Fi Handover Select Message", dev_pw_id);
2537                 ret = -1;
2538                 goto out;
2539         }
2540         wpa_hexdump(MSG_DEBUG, "WPS: AP Public Key hash",
2541                     attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN);
2542
2543         ret = wpas_wps_start_nfc(wpa_s, NULL, bssid, NULL, dev_pw_id, 0,
2544                                  attr.oob_dev_password,
2545                                  attr.ssid, attr.ssid_len, freq);
2546
2547 out:
2548         wpabuf_free(wps);
2549         return ret;
2550 }
2551
2552
2553 int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
2554                                  const struct wpabuf *req,
2555                                  const struct wpabuf *sel)
2556 {
2557         wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported");
2558         wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req);
2559         wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel);
2560         return wpas_wps_nfc_rx_handover_sel(wpa_s, sel);
2561 }
2562
2563
2564 int wpas_er_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
2565                                     const struct wpabuf *req,
2566                                     const struct wpabuf *sel)
2567 {
2568         struct wpabuf *wps;
2569         int ret = -1;
2570         u16 wsc_len;
2571         const u8 *pos;
2572         struct wpabuf msg;
2573         struct wps_parse_attr attr;
2574         u16 dev_pw_id;
2575
2576         /*
2577          * Enrollee/station is always initiator of the NFC connection handover,
2578          * so use the request message here to find Enrollee public key hash.
2579          */
2580         wps = ndef_parse_wifi(req);
2581         if (wps == NULL)
2582                 return -1;
2583         wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
2584                    "payload from NFC connection handover");
2585         wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps);
2586         if (wpabuf_len(wps) < 2) {
2587                 wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Request "
2588                            "Message");
2589                 goto out;
2590         }
2591         pos = wpabuf_head(wps);
2592         wsc_len = WPA_GET_BE16(pos);
2593         if (wsc_len > wpabuf_len(wps) - 2) {
2594                 wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) "
2595                            "in rt Wi-Fi Handover Request Message", wsc_len);
2596                 goto out;
2597         }
2598         pos += 2;
2599
2600         wpa_hexdump(MSG_DEBUG,
2601                     "WPS: WSC attributes in Wi-Fi Handover Request Message",
2602                     pos, wsc_len);
2603         if (wsc_len < wpabuf_len(wps) - 2) {
2604                 wpa_hexdump(MSG_DEBUG,
2605                             "WPS: Ignore extra data after WSC attributes",
2606                             pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len);
2607         }
2608
2609         wpabuf_set(&msg, pos, wsc_len);
2610         ret = wps_parse_msg(&msg, &attr);
2611         if (ret < 0) {
2612                 wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in "
2613                            "Wi-Fi Handover Request Message");
2614                 goto out;
2615         }
2616
2617         if (attr.oob_dev_password == NULL ||
2618             attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
2619                 wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password "
2620                            "included in Wi-Fi Handover Request Message");
2621                 ret = -1;
2622                 goto out;
2623         }
2624
2625         if (attr.uuid_e == NULL) {
2626                 wpa_printf(MSG_DEBUG, "WPS: No UUID-E included in Wi-Fi "
2627                            "Handover Request Message");
2628                 ret = -1;
2629                 goto out;
2630         }
2631
2632         wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", attr.uuid_e, WPS_UUID_LEN);
2633
2634         wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password",
2635                     attr.oob_dev_password, attr.oob_dev_password_len);
2636         dev_pw_id = WPA_GET_BE16(attr.oob_dev_password +
2637                                  WPS_OOB_PUBKEY_HASH_LEN);
2638         if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) {
2639                 wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID "
2640                            "%u in Wi-Fi Handover Request Message", dev_pw_id);
2641                 ret = -1;
2642                 goto out;
2643         }
2644         wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Public Key hash",
2645                     attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN);
2646
2647         ret = wps_registrar_add_nfc_pw_token(wpa_s->wps->registrar,
2648                                              attr.oob_dev_password,
2649                                              DEV_PW_NFC_CONNECTION_HANDOVER,
2650                                              NULL, 0, 1);
2651
2652 out:
2653         wpabuf_free(wps);
2654         return ret;
2655 }
2656
2657 #endif /* CONFIG_WPS_NFC */
2658
2659
2660 static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s)
2661 {
2662         size_t i;
2663         struct os_reltime now;
2664
2665         if (wpa_debug_level > MSG_DEBUG)
2666                 return;
2667
2668         if (wpa_s->wps_ap == NULL)
2669                 return;
2670
2671         os_get_reltime(&now);
2672
2673         for (i = 0; i < wpa_s->num_wps_ap; i++) {
2674                 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2675                 struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid);
2676
2677                 wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d "
2678                            "tries=%d last_attempt=%d sec ago blacklist=%d",
2679                            (int) i, MAC2STR(ap->bssid), ap->type, ap->tries,
2680                            ap->last_attempt.sec > 0 ?
2681                            (int) now.sec - (int) ap->last_attempt.sec : -1,
2682                            e ? e->count : 0);
2683         }
2684 }
2685
2686
2687 static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s,
2688                                                  const u8 *bssid)
2689 {
2690         size_t i;
2691
2692         if (wpa_s->wps_ap == NULL)
2693                 return NULL;
2694
2695         for (i = 0; i < wpa_s->num_wps_ap; i++) {
2696                 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2697                 if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0)
2698                         return ap;
2699         }
2700
2701         return NULL;
2702 }
2703
2704
2705 static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s,
2706                                         struct wpa_scan_res *res)
2707 {
2708         struct wpabuf *wps;
2709         enum wps_ap_info_type type;
2710         struct wps_ap_info *ap;
2711         int r;
2712
2713         if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL)
2714                 return;
2715
2716         wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
2717         if (wps == NULL)
2718                 return;
2719
2720         r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1);
2721         if (r == 2)
2722                 type = WPS_AP_SEL_REG_OUR;
2723         else if (r == 1)
2724                 type = WPS_AP_SEL_REG;
2725         else
2726                 type = WPS_AP_NOT_SEL_REG;
2727
2728         wpabuf_free(wps);
2729
2730         ap = wpas_wps_get_ap_info(wpa_s, res->bssid);
2731         if (ap) {
2732                 if (ap->type != type) {
2733                         wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR
2734                                    " changed type %d -> %d",
2735                                    MAC2STR(res->bssid), ap->type, type);
2736                         ap->type = type;
2737                         if (type != WPS_AP_NOT_SEL_REG)
2738                                 wpa_blacklist_del(wpa_s, ap->bssid);
2739                 }
2740                 return;
2741         }
2742
2743         ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1,
2744                               sizeof(struct wps_ap_info));
2745         if (ap == NULL)
2746                 return;
2747
2748         wpa_s->wps_ap = ap;
2749         ap = &wpa_s->wps_ap[wpa_s->num_wps_ap];
2750         wpa_s->num_wps_ap++;
2751
2752         os_memset(ap, 0, sizeof(*ap));
2753         os_memcpy(ap->bssid, res->bssid, ETH_ALEN);
2754         ap->type = type;
2755         wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added",
2756                    MAC2STR(ap->bssid), ap->type);
2757 }
2758
2759
2760 void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s,
2761                              struct wpa_scan_results *scan_res)
2762 {
2763         size_t i;
2764
2765         for (i = 0; i < scan_res->num; i++)
2766                 wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]);
2767
2768         wpas_wps_dump_ap_info(wpa_s);
2769 }
2770
2771
2772 void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid)
2773 {
2774         struct wps_ap_info *ap;
2775
2776         wpa_s->after_wps = 0;
2777
2778         if (!wpa_s->wps_ap_iter)
2779                 return;
2780         ap = wpas_wps_get_ap_info(wpa_s, bssid);
2781         if (ap == NULL)
2782                 return;
2783         ap->tries++;
2784         os_get_reltime(&ap->last_attempt);
2785 }