1 /* 2 * wpa_supplicant / WPS integration 3 * Copyright (c) 2008-2013, Jouni Malinen <j (at) 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 const u8 *use_uuid = NULL; 1609 u8 addr_buf[ETH_ALEN]; 1610 1611 if (os_strcmp(uuid, "any") == 0) { 1612 } else if (uuid_str2bin(uuid, u) == 0) { 1613 use_uuid = u; 1614 } else if (hwaddr_aton(uuid, addr_buf) == 0) { 1615 use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf); 1616 if (use_uuid == NULL) 1617 return -1; 1618 } else 1619 return -1; 1620 return wps_registrar_add_pin(wpa_s->wps->registrar, addr, 1621 use_uuid, 1622 (const u8 *) pin, os_strlen(pin), 300); 1623 } 1624 1625 1626 int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid) 1627 { 1628 u8 u[UUID_LEN], *use_uuid = NULL; 1629 u8 addr[ETH_ALEN], *use_addr = NULL; 1630 1631 if (uuid_str2bin(uuid, u) == 0) 1632 use_uuid = u; 1633 else if (hwaddr_aton(uuid, addr) == 0) 1634 use_addr = addr; 1635 else 1636 return -1; 1637 return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr); 1638 } 1639 1640 1641 int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid, 1642 const char *pin) 1643 { 1644 u8 u[UUID_LEN], *use_uuid = NULL; 1645 u8 addr[ETH_ALEN], *use_addr = NULL; 1646 1647 if (uuid_str2bin(uuid, u) == 0) 1648 use_uuid = u; 1649 else if (hwaddr_aton(uuid, addr) == 0) 1650 use_addr = addr; 1651 else 1652 return -1; 1653 1654 return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin, 1655 os_strlen(pin)); 1656 } 1657 1658 1659 static int wpas_wps_network_to_cred(struct wpa_ssid *ssid, 1660 struct wps_credential *cred) 1661 { 1662 os_memset(cred, 0, sizeof(*cred)); 1663 if (ssid->ssid_len > 32) 1664 return -1; 1665 os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len); 1666 cred->ssid_len = ssid->ssid_len; 1667 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { 1668 cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ? 1669 WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK; 1670 if (ssid->pairwise_cipher & WPA_CIPHER_CCMP) 1671 cred->encr_type = WPS_ENCR_AES; 1672 else 1673 cred->encr_type = WPS_ENCR_TKIP; 1674 if (ssid->passphrase) { 1675 cred->key_len = os_strlen(ssid->passphrase); 1676 if (cred->key_len >= 64) 1677 return -1; 1678 os_memcpy(cred->key, ssid->passphrase, cred->key_len); 1679 } else if (ssid->psk_set) { 1680 cred->key_len = 32; 1681 os_memcpy(cred->key, ssid->psk, 32); 1682 } else 1683 return -1; 1684 } else { 1685 cred->auth_type = WPS_AUTH_OPEN; 1686 cred->encr_type = WPS_ENCR_NONE; 1687 } 1688 1689 return 0; 1690 } 1691 1692 1693 int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid, 1694 int id) 1695 { 1696 u8 u[UUID_LEN], *use_uuid = NULL; 1697 u8 addr[ETH_ALEN], *use_addr = NULL; 1698 struct wpa_ssid *ssid; 1699 struct wps_credential cred; 1700 1701 if (uuid_str2bin(uuid, u) == 0) 1702 use_uuid = u; 1703 else if (hwaddr_aton(uuid, addr) == 0) 1704 use_addr = addr; 1705 else 1706 return -1; 1707 ssid = wpa_config_get_network(wpa_s->conf, id); 1708 if (ssid == NULL || ssid->ssid == NULL) 1709 return -1; 1710 1711 if (wpas_wps_network_to_cred(ssid, &cred) < 0) 1712 return -1; 1713 return wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred); 1714 } 1715 1716 1717 int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid, 1718 const char *pin, struct wps_new_ap_settings *settings) 1719 { 1720 u8 u[UUID_LEN], *use_uuid = NULL; 1721 u8 addr[ETH_ALEN], *use_addr = NULL; 1722 struct wps_credential cred; 1723 size_t len; 1724 1725 if (uuid_str2bin(uuid, u) == 0) 1726 use_uuid = u; 1727 else if (hwaddr_aton(uuid, addr) == 0) 1728 use_addr = addr; 1729 else 1730 return -1; 1731 if (settings->ssid_hex == NULL || settings->auth == NULL || 1732 settings->encr == NULL || settings->key_hex == NULL) 1733 return -1; 1734 1735 os_memset(&cred, 0, sizeof(cred)); 1736 len = os_strlen(settings->ssid_hex); 1737 if ((len & 1) || len > 2 * sizeof(cred.ssid) || 1738 hexstr2bin(settings->ssid_hex, cred.ssid, len / 2)) 1739 return -1; 1740 cred.ssid_len = len / 2; 1741 1742 len = os_strlen(settings->key_hex); 1743 if ((len & 1) || len > 2 * sizeof(cred.key) || 1744 hexstr2bin(settings->key_hex, cred.key, len / 2)) 1745 return -1; 1746 cred.key_len = len / 2; 1747 1748 if (os_strcmp(settings->auth, "OPEN") == 0) 1749 cred.auth_type = WPS_AUTH_OPEN; 1750 else if (os_strcmp(settings->auth, "WPAPSK") == 0) 1751 cred.auth_type = WPS_AUTH_WPAPSK; 1752 else if (os_strcmp(settings->auth, "WPA2PSK") == 0) 1753 cred.auth_type = WPS_AUTH_WPA2PSK; 1754 else 1755 return -1; 1756 1757 if (os_strcmp(settings->encr, "NONE") == 0) 1758 cred.encr_type = WPS_ENCR_NONE; 1759 else if (os_strcmp(settings->encr, "WEP") == 0) 1760 cred.encr_type = WPS_ENCR_WEP; 1761 else if (os_strcmp(settings->encr, "TKIP") == 0) 1762 cred.encr_type = WPS_ENCR_TKIP; 1763 else if (os_strcmp(settings->encr, "CCMP") == 0) 1764 cred.encr_type = WPS_ENCR_AES; 1765 else 1766 return -1; 1767 1768 return wps_er_config(wpa_s->wps_er, use_uuid, use_addr, 1769 (const u8 *) pin, os_strlen(pin), &cred); 1770 } 1771 1772 1773 #ifdef CONFIG_WPS_NFC 1774 struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s, 1775 int ndef, const char *uuid) 1776 { 1777 struct wpabuf *ret; 1778 u8 u[UUID_LEN], *use_uuid = NULL; 1779 u8 addr[ETH_ALEN], *use_addr = NULL; 1780 1781 if (!wpa_s->wps_er) 1782 return NULL; 1783 1784 if (uuid_str2bin(uuid, u) == 0) 1785 use_uuid = u; 1786 else if (hwaddr_aton(uuid, addr) == 0) 1787 use_addr = addr; 1788 else 1789 return NULL; 1790 1791 ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr); 1792 if (ndef && ret) { 1793 struct wpabuf *tmp; 1794 tmp = ndef_build_wifi(ret); 1795 wpabuf_free(ret); 1796 if (tmp == NULL) 1797 return NULL; 1798 ret = tmp; 1799 } 1800 1801 return ret; 1802 } 1803 #endif /* CONFIG_WPS_NFC */ 1804 1805 1806 static int callbacks_pending = 0; 1807 1808 static void wpas_wps_terminate_cb(void *ctx) 1809 { 1810 wpa_printf(MSG_DEBUG, "WPS ER: Terminated"); 1811 if (--callbacks_pending <= 0) 1812 eloop_terminate(); 1813 } 1814 #endif /* CONFIG_WPS_ER */ 1815 1816 1817 int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s) 1818 { 1819 #ifdef CONFIG_WPS_ER 1820 if (wpa_s->wps_er) { 1821 callbacks_pending++; 1822 wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s); 1823 wpa_s->wps_er = NULL; 1824 return 1; 1825 } 1826 #endif /* CONFIG_WPS_ER */ 1827 return 0; 1828 } 1829 1830 1831 int wpas_wps_in_progress(struct wpa_supplicant *wpa_s) 1832 { 1833 struct wpa_ssid *ssid; 1834 1835 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 1836 if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS) 1837 return 1; 1838 } 1839 1840 return 0; 1841 } 1842 1843 1844 void wpas_wps_update_config(struct wpa_supplicant *wpa_s) 1845 { 1846 struct wps_context *wps = wpa_s->wps; 1847 1848 if (wps == NULL) 1849 return; 1850 1851 if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) { 1852 wps->config_methods = wps_config_methods_str2bin( 1853 wpa_s->conf->config_methods); 1854 if ((wps->config_methods & 1855 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == 1856 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { 1857 wpa_printf(MSG_ERROR, "WPS: Both Label and Display " 1858 "config methods are not allowed at the " 1859 "same time"); 1860 wps->config_methods &= ~WPS_CONFIG_LABEL; 1861 } 1862 } 1863 wps->config_methods = wps_fix_config_methods(wps->config_methods); 1864 wps->dev.config_methods = wps->config_methods; 1865 1866 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) 1867 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, 1868 WPS_DEV_TYPE_LEN); 1869 1870 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) { 1871 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; 1872 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, 1873 wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN); 1874 } 1875 1876 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) 1877 wpas_wps_set_vendor_ext_m1(wpa_s, wps); 1878 1879 if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION) 1880 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); 1881 1882 if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID) 1883 wpas_wps_set_uuid(wpa_s, wps); 1884 1885 if (wpa_s->conf->changed_parameters & 1886 (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) { 1887 /* Update pointers to make sure they refer current values */ 1888 wps->dev.device_name = wpa_s->conf->device_name; 1889 wps->dev.manufacturer = wpa_s->conf->manufacturer; 1890 wps->dev.model_name = wpa_s->conf->model_name; 1891 wps->dev.model_number = wpa_s->conf->model_number; 1892 wps->dev.serial_number = wpa_s->conf->serial_number; 1893 } 1894 } 1895 1896 1897 #ifdef CONFIG_WPS_NFC 1898 1899 #ifdef CONFIG_WPS_ER 1900 static struct wpabuf * 1901 wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef, 1902 struct wpa_ssid *ssid) 1903 { 1904 struct wpabuf *ret; 1905 struct wps_credential cred; 1906 1907 if (wpas_wps_network_to_cred(ssid, &cred) < 0) 1908 return NULL; 1909 1910 ret = wps_er_config_token_from_cred(wpa_s->wps, &cred); 1911 1912 if (ndef && ret) { 1913 struct wpabuf *tmp; 1914 tmp = ndef_build_wifi(ret); 1915 wpabuf_free(ret); 1916 if (tmp == NULL) 1917 return NULL; 1918 ret = tmp; 1919 } 1920 1921 return ret; 1922 } 1923 #endif /* CONFIG_WPS_ER */ 1924 1925 1926 struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s, 1927 int ndef, const char *id_str) 1928 { 1929 #ifdef CONFIG_WPS_ER 1930 if (id_str) { 1931 int id; 1932 char *end = NULL; 1933 struct wpa_ssid *ssid; 1934 1935 id = strtol(id_str, &end, 10); 1936 if (end && *end) 1937 return NULL; 1938 1939 ssid = wpa_config_get_network(wpa_s->conf, id); 1940 if (ssid == NULL) 1941 return NULL; 1942 return wpas_wps_network_config_token(wpa_s, ndef, ssid); 1943 } 1944 #endif /* CONFIG_WPS_ER */ 1945 #ifdef CONFIG_AP 1946 if (wpa_s->ap_iface) 1947 return wpas_ap_wps_nfc_config_token(wpa_s, ndef); 1948 #endif /* CONFIG_AP */ 1949 return NULL; 1950 } 1951 1952 1953 struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef) 1954 { 1955 if (wpa_s->conf->wps_nfc_pw_from_config) { 1956 return wps_nfc_token_build(ndef, 1957 wpa_s->conf->wps_nfc_dev_pw_id, 1958 wpa_s->conf->wps_nfc_dh_pubkey, 1959 wpa_s->conf->wps_nfc_dev_pw); 1960 } 1961 1962 return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id, 1963 &wpa_s->conf->wps_nfc_dh_pubkey, 1964 &wpa_s->conf->wps_nfc_dh_privkey, 1965 &wpa_s->conf->wps_nfc_dev_pw); 1966 } 1967 1968 1969 int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid) 1970 { 1971 struct wps_context *wps = wpa_s->wps; 1972 char pw[32 * 2 + 1]; 1973 1974 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL || 1975 wpa_s->conf->wps_nfc_dh_privkey == NULL || 1976 wpa_s->conf->wps_nfc_dev_pw == NULL) 1977 return -1; 1978 1979 dh5_free(wps->dh_ctx); 1980 wpabuf_free(wps->dh_pubkey); 1981 wpabuf_free(wps->dh_privkey); 1982 wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); 1983 wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); 1984 if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) { 1985 wps->dh_ctx = NULL; 1986 wpabuf_free(wps->dh_pubkey); 1987 wps->dh_pubkey = NULL; 1988 wpabuf_free(wps->dh_privkey); 1989 wps->dh_privkey = NULL; 1990 return -1; 1991 } 1992 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey); 1993 if (wps->dh_ctx == NULL) { 1994 wpabuf_free(wps->dh_pubkey); 1995 wps->dh_pubkey = NULL; 1996 wpabuf_free(wps->dh_privkey); 1997 wps->dh_privkey = NULL; 1998 return -1; 1999 } 2000 2001 wpa_snprintf_hex_uppercase(pw, sizeof(pw), 2002 wpabuf_head(wpa_s->conf->wps_nfc_dev_pw), 2003 wpabuf_len(wpa_s->conf->wps_nfc_dev_pw)); 2004 return wpas_wps_start_pin(wpa_s, bssid, pw, 0, 2005 wpa_s->conf->wps_nfc_dev_pw_id); 2006 } 2007 2008 2009 static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s, 2010 struct wps_parse_attr *attr) 2011 { 2012 wpa_s->wps_ap_channel = 0; 2013 2014 if (wps_oob_use_cred(wpa_s->wps, attr) < 0) 2015 return -1; 2016 2017 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) 2018 return 0; 2019 2020 wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network " 2021 "based on the received credential added"); 2022 wpa_s->normal_scans = 0; 2023 wpa_supplicant_reinit_autoscan(wpa_s); 2024 if (wpa_s->wps_ap_channel) { 2025 u16 chan = wpa_s->wps_ap_channel; 2026 int freq = 0; 2027 2028 if (chan >= 1 && chan <= 13) 2029 freq = 2407 + 5 * chan; 2030 else if (chan == 14) 2031 freq = 2484; 2032 else if (chan >= 30) 2033 freq = 5000 + 5 * chan; 2034 2035 if (freq) { 2036 wpa_printf(MSG_DEBUG, "WPS: Credential indicated " 2037 "AP channel %u -> %u MHz", chan, freq); 2038 wpa_s->after_wps = 5; 2039 wpa_s->wps_freq = freq; 2040 } 2041 } 2042 wpa_s->disconnected = 0; 2043 wpa_s->reassociate = 1; 2044 wpa_supplicant_req_scan(wpa_s, 0, 0); 2045 2046 return 0; 2047 } 2048 2049 2050 #ifdef CONFIG_WPS_ER 2051 static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s, 2052 struct wps_parse_attr *attr) 2053 { 2054 return wps_registrar_add_nfc_password_token( 2055 wpa_s->wps->registrar, attr->oob_dev_password, 2056 attr->oob_dev_password_len); 2057 } 2058 #endif /* CONFIG_WPS_ER */ 2059 2060 2061 static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s, 2062 const struct wpabuf *wps) 2063 { 2064 struct wps_parse_attr attr; 2065 2066 wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps); 2067 2068 if (wps_parse_msg(wps, &attr)) { 2069 wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag"); 2070 return -1; 2071 } 2072 2073 if (attr.num_cred) 2074 return wpas_wps_use_cred(wpa_s, &attr); 2075 2076 #ifdef CONFIG_WPS_ER 2077 if (attr.oob_dev_password) 2078 return wpas_wps_add_nfc_password_token(wpa_s, &attr); 2079 #endif /* CONFIG_WPS_ER */ 2080 2081 wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag"); 2082 return -1; 2083 } 2084 2085 2086 int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s, 2087 const struct wpabuf *data) 2088 { 2089 const struct wpabuf *wps = data; 2090 struct wpabuf *tmp = NULL; 2091 int ret; 2092 2093 if (wpabuf_len(data) < 4) 2094 return -1; 2095 2096 if (*wpabuf_head_u8(data) != 0x10) { 2097 /* Assume this contains full NDEF record */ 2098 tmp = ndef_parse_wifi(data); 2099 if (tmp == NULL) { 2100 wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF"); 2101 return -1; 2102 } 2103 wps = tmp; 2104 } 2105 2106 ret = wpas_wps_nfc_tag_process(wpa_s, wps); 2107 wpabuf_free(tmp); 2108 return ret; 2109 } 2110 2111 2112 struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s, int cr) 2113 { 2114 if (cr) 2115 return ndef_build_wifi_hc(1); 2116 return ndef_build_wifi_hr(); 2117 } 2118 2119 2120 #ifdef CONFIG_WPS_NFC 2121 struct wpabuf * wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s, 2122 int ndef, const char *uuid) 2123 { 2124 #ifdef CONFIG_WPS_ER 2125 struct wpabuf *ret; 2126 u8 u[UUID_LEN], *use_uuid = NULL; 2127 u8 addr[ETH_ALEN], *use_addr = NULL; 2128 2129 if (!wpa_s->wps_er) 2130 return NULL; 2131 2132 if (uuid == NULL) 2133 return NULL; 2134 if (uuid_str2bin(uuid, u) == 0) 2135 use_uuid = u; 2136 else if (hwaddr_aton(uuid, addr) == 0) 2137 use_addr = addr; 2138 else 2139 return NULL; 2140 2141 /* 2142 * Handover Select carrier record for WPS uses the same format as 2143 * configuration token. 2144 */ 2145 ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr); 2146 if (ndef && ret) { 2147 struct wpabuf *tmp; 2148 tmp = ndef_build_wifi(ret); 2149 wpabuf_free(ret); 2150 if (tmp == NULL) 2151 return NULL; 2152 ret = tmp; 2153 } 2154 2155 return ret; 2156 #else /* CONFIG_WPS_ER */ 2157 return NULL; 2158 #endif /* CONFIG_WPS_ER */ 2159 } 2160 #endif /* CONFIG_WPS_NFC */ 2161 2162 2163 struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s, 2164 int ndef, int cr, const char *uuid) 2165 { 2166 struct wpabuf *ret; 2167 if (!cr) 2168 return NULL; 2169 ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef); 2170 if (ret) 2171 return ret; 2172 return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid); 2173 } 2174 2175 2176 int wpas_wps_nfc_rx_handover_req(struct wpa_supplicant *wpa_s, 2177 const struct wpabuf *data) 2178 { 2179 /* TODO */ 2180 return -1; 2181 } 2182 2183 2184 int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s, 2185 const struct wpabuf *data) 2186 { 2187 struct wpabuf *wps; 2188 int ret; 2189 2190 wps = ndef_parse_wifi(data); 2191 if (wps == NULL) 2192 return -1; 2193 wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc " 2194 "payload from NFC connection handover"); 2195 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: NFC payload", wps); 2196 ret = wpas_wps_nfc_tag_process(wpa_s, wps); 2197 wpabuf_free(wps); 2198 2199 return ret; 2200 } 2201 2202 2203 int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s, 2204 const struct wpabuf *req, 2205 const struct wpabuf *sel) 2206 { 2207 wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported"); 2208 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req); 2209 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel); 2210 return wpas_wps_nfc_rx_handover_sel(wpa_s, sel); 2211 } 2212 2213 #endif /* CONFIG_WPS_NFC */ 2214 2215 2216 extern int wpa_debug_level; 2217 2218 static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s) 2219 { 2220 size_t i; 2221 struct os_time now; 2222 2223 if (wpa_debug_level > MSG_DEBUG) 2224 return; 2225 2226 if (wpa_s->wps_ap == NULL) 2227 return; 2228 2229 os_get_time(&now); 2230 2231 for (i = 0; i < wpa_s->num_wps_ap; i++) { 2232 struct wps_ap_info *ap = &wpa_s->wps_ap[i]; 2233 struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid); 2234 2235 wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d " 2236 "tries=%d last_attempt=%d sec ago blacklist=%d", 2237 (int) i, MAC2STR(ap->bssid), ap->type, ap->tries, 2238 ap->last_attempt.sec > 0 ? 2239 (int) now.sec - (int) ap->last_attempt.sec : -1, 2240 e ? e->count : 0); 2241 } 2242 } 2243 2244 2245 static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s, 2246 const u8 *bssid) 2247 { 2248 size_t i; 2249 2250 if (wpa_s->wps_ap == NULL) 2251 return NULL; 2252 2253 for (i = 0; i < wpa_s->num_wps_ap; i++) { 2254 struct wps_ap_info *ap = &wpa_s->wps_ap[i]; 2255 if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0) 2256 return ap; 2257 } 2258 2259 return NULL; 2260 } 2261 2262 2263 static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s, 2264 struct wpa_scan_res *res) 2265 { 2266 struct wpabuf *wps; 2267 enum wps_ap_info_type type; 2268 struct wps_ap_info *ap; 2269 int r; 2270 2271 if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL) 2272 return; 2273 2274 wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE); 2275 if (wps == NULL) 2276 return; 2277 2278 r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1); 2279 if (r == 2) 2280 type = WPS_AP_SEL_REG_OUR; 2281 else if (r == 1) 2282 type = WPS_AP_SEL_REG; 2283 else 2284 type = WPS_AP_NOT_SEL_REG; 2285 2286 wpabuf_free(wps); 2287 2288 ap = wpas_wps_get_ap_info(wpa_s, res->bssid); 2289 if (ap) { 2290 if (ap->type != type) { 2291 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR 2292 " changed type %d -> %d", 2293 MAC2STR(res->bssid), ap->type, type); 2294 ap->type = type; 2295 if (type != WPS_AP_NOT_SEL_REG) 2296 wpa_blacklist_del(wpa_s, ap->bssid); 2297 } 2298 return; 2299 } 2300 2301 ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1, 2302 sizeof(struct wps_ap_info)); 2303 if (ap == NULL) 2304 return; 2305 2306 wpa_s->wps_ap = ap; 2307 ap = &wpa_s->wps_ap[wpa_s->num_wps_ap]; 2308 wpa_s->num_wps_ap++; 2309 2310 os_memset(ap, 0, sizeof(*ap)); 2311 os_memcpy(ap->bssid, res->bssid, ETH_ALEN); 2312 ap->type = type; 2313 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added", 2314 MAC2STR(ap->bssid), ap->type); 2315 } 2316 2317 2318 void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s, 2319 struct wpa_scan_results *scan_res) 2320 { 2321 size_t i; 2322 2323 for (i = 0; i < scan_res->num; i++) 2324 wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]); 2325 2326 wpas_wps_dump_ap_info(wpa_s); 2327 } 2328 2329 2330 void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid) 2331 { 2332 struct wps_ap_info *ap; 2333 if (!wpa_s->wps_ap_iter) 2334 return; 2335 ap = wpas_wps_get_ap_info(wpa_s, bssid); 2336 if (ap == NULL) 2337 return; 2338 ap->tries++; 2339 os_get_time(&ap->last_attempt); 2340 } 2341
