wpa_supplicant/wps_supplicant.c

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