1/* 2 * wpa_supplicant / WPS integration 3 * Copyright (c) 2008-2014, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9#include "includes.h" 10 11#include "common.h" 12#include "eloop.h" 13#include "uuid.h" 14#include "crypto/random.h" 15#include "crypto/dh_group5.h" 16#include "common/ieee802_11_defs.h" 17#include "common/ieee802_11_common.h" 18#include "common/wpa_common.h" 19#include "common/wpa_ctrl.h" 20#include "eap_common/eap_wsc_common.h" 21#include "eap_peer/eap.h" 22#include "eapol_supp/eapol_supp_sm.h" 23#include "rsn_supp/wpa.h" 24#include "wps/wps_attr_parse.h" 25#include "config.h" 26#include "wpa_supplicant_i.h" 27#include "driver_i.h" 28#include "notify.h" 29#include "blacklist.h" 30#include "bss.h" 31#include "scan.h" 32#include "ap.h" 33#include "p2p/p2p.h" 34#include "p2p_supplicant.h" 35#include "wps_supplicant.h" 36 37 38#ifndef WPS_PIN_SCAN_IGNORE_SEL_REG 39#define WPS_PIN_SCAN_IGNORE_SEL_REG 3 40#endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */ 41 42/* 43 * The minimum time in seconds before trying to associate to a WPS PIN AP that 44 * does not have Selected Registrar TRUE. 45 */ 46#ifndef WPS_PIN_TIME_IGNORE_SEL_REG 47#define WPS_PIN_TIME_IGNORE_SEL_REG 5 48#endif /* WPS_PIN_TIME_IGNORE_SEL_REG */ 49 50static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx); 51static void wpas_clear_wps(struct wpa_supplicant *wpa_s); 52 53 54static void wpas_wps_clear_ap_info(struct wpa_supplicant *wpa_s) 55{ 56 os_free(wpa_s->wps_ap); 57 wpa_s->wps_ap = NULL; 58 wpa_s->num_wps_ap = 0; 59 wpa_s->wps_ap_iter = 0; 60} 61 62 63static void wpas_wps_assoc_with_cred(void *eloop_ctx, void *timeout_ctx) 64{ 65 struct wpa_supplicant *wpa_s = eloop_ctx; 66 int use_fast_assoc = timeout_ctx != NULL; 67 68 wpa_printf(MSG_DEBUG, "WPS: Continuing association after eapol_cb"); 69 if (!use_fast_assoc || 70 wpa_supplicant_fast_associate(wpa_s) != 1) 71 wpa_supplicant_req_scan(wpa_s, 0, 0); 72} 73 74 75static void wpas_wps_assoc_with_cred_cancel(struct wpa_supplicant *wpa_s) 76{ 77 eloop_cancel_timeout(wpas_wps_assoc_with_cred, wpa_s, (void *) 0); 78 eloop_cancel_timeout(wpas_wps_assoc_with_cred, wpa_s, (void *) 1); 79} 80 81 82int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s) 83{ 84 if (wpas_p2p_wps_eapol_cb(wpa_s) > 0) 85 return 1; 86 87 if (!wpa_s->wps_success && 88 wpa_s->current_ssid && 89 eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) { 90 const u8 *bssid = wpa_s->bssid; 91 if (is_zero_ether_addr(bssid)) 92 bssid = wpa_s->pending_bssid; 93 94 wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR 95 " did not succeed - continue trying to find " 96 "suitable AP", MAC2STR(bssid)); 97 wpa_blacklist_add(wpa_s, bssid); 98 99 wpa_supplicant_deauthenticate(wpa_s, 100 WLAN_REASON_DEAUTH_LEAVING); 101 wpa_s->reassociate = 1; 102 wpa_supplicant_req_scan(wpa_s, 103 wpa_s->blacklist_cleared ? 5 : 0, 0); 104 wpa_s->blacklist_cleared = 0; 105 return 1; 106 } 107 108 wpas_wps_clear_ap_info(wpa_s); 109 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); 110 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success) 111 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL); 112 113 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid && 114 !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { 115 int disabled = wpa_s->current_ssid->disabled; 116 unsigned int freq = wpa_s->assoc_freq; 117 struct wpa_bss *bss; 118 struct wpa_ssid *ssid = NULL; 119 int use_fast_assoc = 0; 120 121 wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - " 122 "try to associate with the received credential " 123 "(freq=%u)", freq); 124 wpa_s->own_disconnect_req = 1; 125 wpa_supplicant_deauthenticate(wpa_s, 126 WLAN_REASON_DEAUTH_LEAVING); 127 if (disabled) { 128 wpa_printf(MSG_DEBUG, "WPS: Current network is " 129 "disabled - wait for user to enable"); 130 return 1; 131 } 132 wpa_s->after_wps = 5; 133 wpa_s->wps_freq = freq; 134 wpa_s->normal_scans = 0; 135 wpa_s->reassociate = 1; 136 137 wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association " 138 "without a new scan can be used"); 139 bss = wpa_supplicant_pick_network(wpa_s, &ssid); 140 if (bss) { 141 struct wpabuf *wps; 142 struct wps_parse_attr attr; 143 144 wps = wpa_bss_get_vendor_ie_multi(bss, 145 WPS_IE_VENDOR_TYPE); 146 if (wps && wps_parse_msg(wps, &attr) == 0 && 147 attr.wps_state && 148 *attr.wps_state == WPS_STATE_CONFIGURED) 149 use_fast_assoc = 1; 150 wpabuf_free(wps); 151 } 152 153 /* 154 * Complete the next step from an eloop timeout to allow pending 155 * driver events related to the disconnection to be processed 156 * first. This makes it less likely for disconnection event to 157 * cause problems with the following connection. 158 */ 159 wpa_printf(MSG_DEBUG, "WPS: Continue association from timeout"); 160 wpas_wps_assoc_with_cred_cancel(wpa_s); 161 eloop_register_timeout(0, 10000, 162 wpas_wps_assoc_with_cred, wpa_s, 163 use_fast_assoc ? (void *) 1 : 164 (void *) 0); 165 return 1; 166 } 167 168 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) { 169 wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting " 170 "for external credential processing"); 171 wpas_clear_wps(wpa_s); 172 wpa_s->own_disconnect_req = 1; 173 wpa_supplicant_deauthenticate(wpa_s, 174 WLAN_REASON_DEAUTH_LEAVING); 175 return 1; 176 } 177 178 return 0; 179} 180 181 182static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s, 183 struct wpa_ssid *ssid, 184 const struct wps_credential *cred) 185{ 186 struct wpa_driver_capa capa; 187 struct wpa_bss *bss; 188 const u8 *ie; 189 struct wpa_ie_data adv; 190 int wpa2 = 0, ccmp = 0; 191 192 /* 193 * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in 194 * case they are configured for mixed mode operation (WPA+WPA2 and 195 * TKIP+CCMP). Try to use scan results to figure out whether the AP 196 * actually supports stronger security and select that if the client 197 * has support for it, too. 198 */ 199 200 if (wpa_drv_get_capa(wpa_s, &capa)) 201 return; /* Unknown what driver supports */ 202 203 if (ssid->ssid == NULL) 204 return; 205 bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len); 206 if (bss == NULL) { 207 wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS " 208 "table - use credential as-is"); 209 return; 210 } 211 212 wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table"); 213 214 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 215 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) { 216 wpa2 = 1; 217 if (adv.pairwise_cipher & WPA_CIPHER_CCMP) 218 ccmp = 1; 219 } else { 220 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 221 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 && 222 adv.pairwise_cipher & WPA_CIPHER_CCMP) 223 ccmp = 1; 224 } 225 226 if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) && 227 (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) { 228 /* 229 * TODO: This could be the initial AP configuration and the 230 * Beacon contents could change shortly. Should request a new 231 * scan and delay addition of the network until the updated 232 * scan results are available. 233 */ 234 wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA " 235 "support - use credential as-is"); 236 return; 237 } 238 239 if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && 240 (ssid->pairwise_cipher & WPA_CIPHER_TKIP) && 241 (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { 242 wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential " 243 "based on scan results"); 244 if (wpa_s->conf->ap_scan == 1) 245 ssid->pairwise_cipher |= WPA_CIPHER_CCMP; 246 else 247 ssid->pairwise_cipher = WPA_CIPHER_CCMP; 248 } 249 250 if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) && 251 (ssid->proto & WPA_PROTO_WPA) && 252 (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) { 253 wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential " 254 "based on scan results"); 255 if (wpa_s->conf->ap_scan == 1) 256 ssid->proto |= WPA_PROTO_RSN; 257 else 258 ssid->proto = WPA_PROTO_RSN; 259 } 260} 261 262 263static void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s, 264 struct wpa_ssid *new_ssid) 265{ 266 struct wpa_ssid *ssid, *next; 267 268 for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid; 269 ssid = next, next = ssid ? ssid->next : NULL) { 270 /* 271 * new_ssid has already been added to the list in 272 * wpas_wps_add_network(), so skip it. 273 */ 274 if (ssid == new_ssid) 275 continue; 276 277 if (ssid->bssid_set || new_ssid->bssid_set) { 278 if (ssid->bssid_set != new_ssid->bssid_set) 279 continue; 280 if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) != 281 0) 282 continue; 283 } 284 285 /* compare SSID */ 286 if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len) 287 continue; 288 289 if (ssid->ssid && new_ssid->ssid) { 290 if (os_memcmp(ssid->ssid, new_ssid->ssid, 291 ssid->ssid_len) != 0) 292 continue; 293 } else if (ssid->ssid || new_ssid->ssid) 294 continue; 295 296 /* compare security parameters */ 297 if (ssid->auth_alg != new_ssid->auth_alg || 298 ssid->key_mgmt != new_ssid->key_mgmt || 299 (ssid->group_cipher != new_ssid->group_cipher && 300 !(ssid->group_cipher & new_ssid->group_cipher & 301 WPA_CIPHER_CCMP))) 302 continue; 303 304 /* 305 * Some existing WPS APs will send two creds in case they are 306 * configured for mixed mode operation (WPA+WPA2 and TKIP+CCMP). 307 * Try to merge these two creds if they are received in the same 308 * M8 message. 309 */ 310 if (ssid->wps_run && ssid->wps_run == new_ssid->wps_run && 311 wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) { 312 if (new_ssid->passphrase && ssid->passphrase && 313 os_strcmp(new_ssid->passphrase, ssid->passphrase) != 314 0) { 315 wpa_printf(MSG_DEBUG, 316 "WPS: M8 Creds with different passphrase - do not merge"); 317 continue; 318 } 319 320 if (new_ssid->psk_set && 321 (!ssid->psk_set || 322 os_memcmp(new_ssid->psk, ssid->psk, 32) != 0)) { 323 wpa_printf(MSG_DEBUG, 324 "WPS: M8 Creds with different PSK - do not merge"); 325 continue; 326 } 327 328 if ((new_ssid->passphrase && !ssid->passphrase) || 329 (!new_ssid->passphrase && ssid->passphrase)) { 330 wpa_printf(MSG_DEBUG, 331 "WPS: M8 Creds with different passphrase/PSK type - do not merge"); 332 continue; 333 } 334 335 wpa_printf(MSG_DEBUG, 336 "WPS: Workaround - merge likely WPA/WPA2-mixed mode creds in same M8 message"); 337 new_ssid->proto |= ssid->proto; 338 new_ssid->pairwise_cipher |= ssid->pairwise_cipher; 339 } else { 340 /* 341 * proto and pairwise_cipher difference matter for 342 * non-mixed-mode creds. 343 */ 344 if (ssid->proto != new_ssid->proto || 345 ssid->pairwise_cipher != new_ssid->pairwise_cipher) 346 continue; 347 } 348 349 /* Remove the duplicated older network entry. */ 350 wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id); 351 wpas_notify_network_removed(wpa_s, ssid); 352 if (wpa_s->current_ssid == ssid) 353 wpa_s->current_ssid = NULL; 354 wpa_config_remove_network(wpa_s->conf, ssid->id); 355 } 356} 357 358 359static int wpa_supplicant_wps_cred(void *ctx, 360 const struct wps_credential *cred) 361{ 362 struct wpa_supplicant *wpa_s = ctx; 363 struct wpa_ssid *ssid = wpa_s->current_ssid; 364 u16 auth_type; 365#ifdef CONFIG_WPS_REG_DISABLE_OPEN 366 int registrar = 0; 367#endif /* CONFIG_WPS_REG_DISABLE_OPEN */ 368 369 if ((wpa_s->conf->wps_cred_processing == 1 || 370 wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) { 371 size_t blen = cred->cred_attr_len * 2 + 1; 372 char *buf = os_malloc(blen); 373 if (buf) { 374 wpa_snprintf_hex(buf, blen, 375 cred->cred_attr, cred->cred_attr_len); 376 wpa_msg(wpa_s, MSG_INFO, "%s%s", 377 WPS_EVENT_CRED_RECEIVED, buf); 378 os_free(buf); 379 } 380 381 wpas_notify_wps_credential(wpa_s, cred); 382 } else 383 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED); 384 385 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute", 386 cred->cred_attr, cred->cred_attr_len); 387 388 if (wpa_s->conf->wps_cred_processing == 1) 389 return 0; 390 391 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len); 392 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x", 393 cred->auth_type); 394 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type); 395 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx); 396 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", 397 cred->key, cred->key_len); 398 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR, 399 MAC2STR(cred->mac_addr)); 400 401 auth_type = cred->auth_type; 402 if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { 403 wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode " 404 "auth_type into WPA2PSK"); 405 auth_type = WPS_AUTH_WPA2PSK; 406 } 407 408 if (auth_type != WPS_AUTH_OPEN && 409 auth_type != WPS_AUTH_WPAPSK && 410 auth_type != WPS_AUTH_WPA2PSK) { 411 wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for " 412 "unsupported authentication type 0x%x", 413 auth_type); 414 return 0; 415 } 416 417 if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) { 418 if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) { 419 wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with " 420 "invalid Network Key length %lu", 421 (unsigned long) cred->key_len); 422 return -1; 423 } 424 } 425 426 if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { 427 wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based " 428 "on the received credential"); 429#ifdef CONFIG_WPS_REG_DISABLE_OPEN 430 if (ssid->eap.identity && 431 ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN && 432 os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR, 433 WSC_ID_REGISTRAR_LEN) == 0) 434 registrar = 1; 435#endif /* CONFIG_WPS_REG_DISABLE_OPEN */ 436 os_free(ssid->eap.identity); 437 ssid->eap.identity = NULL; 438 ssid->eap.identity_len = 0; 439 os_free(ssid->eap.phase1); 440 ssid->eap.phase1 = NULL; 441 os_free(ssid->eap.eap_methods); 442 ssid->eap.eap_methods = NULL; 443 if (!ssid->p2p_group) { 444 ssid->temporary = 0; 445 ssid->bssid_set = 0; 446 } 447 ssid->disabled_until.sec = 0; 448 ssid->disabled_until.usec = 0; 449 ssid->auth_failures = 0; 450 } else { 451 wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the " 452 "received credential"); 453 ssid = wpa_config_add_network(wpa_s->conf); 454 if (ssid == NULL) 455 return -1; 456 if (wpa_s->current_ssid) { 457 /* 458 * Should the GO issue multiple credentials for some 459 * reason, each credential should be marked as a 460 * temporary P2P group similarly to the one that gets 461 * marked as such based on the pre-configured values 462 * used for the WPS network block. 463 */ 464 ssid->p2p_group = wpa_s->current_ssid->p2p_group; 465 ssid->temporary = wpa_s->current_ssid->temporary; 466 } 467 wpas_notify_network_added(wpa_s, ssid); 468 } 469 470 wpa_config_set_network_defaults(ssid); 471 ssid->wps_run = wpa_s->wps_run; 472 473 os_free(ssid->ssid); 474 ssid->ssid = os_malloc(cred->ssid_len); 475 if (ssid->ssid) { 476 os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len); 477 ssid->ssid_len = cred->ssid_len; 478 } 479 480 switch (cred->encr_type) { 481 case WPS_ENCR_NONE: 482 break; 483 case WPS_ENCR_TKIP: 484 ssid->pairwise_cipher = WPA_CIPHER_TKIP; 485 break; 486 case WPS_ENCR_AES: 487 ssid->pairwise_cipher = WPA_CIPHER_CCMP; 488 if (wpa_s->drv_capa_known && 489 (wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_GCMP)) { 490 ssid->pairwise_cipher |= WPA_CIPHER_GCMP; 491 ssid->group_cipher |= WPA_CIPHER_GCMP; 492 } 493 break; 494 } 495 496 switch (auth_type) { 497 case WPS_AUTH_OPEN: 498 ssid->auth_alg = WPA_AUTH_ALG_OPEN; 499 ssid->key_mgmt = WPA_KEY_MGMT_NONE; 500 ssid->proto = 0; 501#ifdef CONFIG_WPS_REG_DISABLE_OPEN 502 if (registrar) { 503 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK 504 "id=%d - Credentials for an open " 505 "network disabled by default - use " 506 "'select_network %d' to enable", 507 ssid->id, ssid->id); 508 ssid->disabled = 1; 509 } 510#endif /* CONFIG_WPS_REG_DISABLE_OPEN */ 511 break; 512 case WPS_AUTH_WPAPSK: 513 ssid->auth_alg = WPA_AUTH_ALG_OPEN; 514 ssid->key_mgmt = WPA_KEY_MGMT_PSK; 515 ssid->proto = WPA_PROTO_WPA; 516 break; 517 case WPS_AUTH_WPA2PSK: 518 ssid->auth_alg = WPA_AUTH_ALG_OPEN; 519 ssid->key_mgmt = WPA_KEY_MGMT_PSK; 520 ssid->proto = WPA_PROTO_RSN; 521 break; 522 } 523 524 if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) { 525 if (cred->key_len == 2 * PMK_LEN) { 526 if (hexstr2bin((const char *) cred->key, ssid->psk, 527 PMK_LEN)) { 528 wpa_printf(MSG_ERROR, "WPS: Invalid Network " 529 "Key"); 530 return -1; 531 } 532 ssid->psk_set = 1; 533 ssid->export_keys = 1; 534 } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) { 535 os_free(ssid->passphrase); 536 ssid->passphrase = os_malloc(cred->key_len + 1); 537 if (ssid->passphrase == NULL) 538 return -1; 539 os_memcpy(ssid->passphrase, cred->key, cred->key_len); 540 ssid->passphrase[cred->key_len] = '\0'; 541 wpa_config_update_psk(ssid); 542 ssid->export_keys = 1; 543 } else { 544 wpa_printf(MSG_ERROR, "WPS: Invalid Network Key " 545 "length %lu", 546 (unsigned long) cred->key_len); 547 return -1; 548 } 549 } 550 ssid->priority = wpa_s->conf->wps_priority; 551 552 wpas_wps_security_workaround(wpa_s, ssid, cred); 553 554 wpas_wps_remove_dup_network(wpa_s, ssid); 555 556#ifndef CONFIG_NO_CONFIG_WRITE 557 if (wpa_s->conf->update_config && 558 wpa_config_write(wpa_s->confname, wpa_s->conf)) { 559 wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration"); 560 return -1; 561 } 562#endif /* CONFIG_NO_CONFIG_WRITE */ 563 564 if (ssid->priority) 565 wpa_config_update_prio_list(wpa_s->conf); 566 567 /* 568 * Optimize the post-WPS scan based on the channel used during 569 * the provisioning in case EAP-Failure is not received. 570 */ 571 wpa_s->after_wps = 5; 572 wpa_s->wps_freq = wpa_s->assoc_freq; 573 574 return 0; 575} 576 577 578static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s, 579 struct wps_event_m2d *m2d) 580{ 581 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D 582 "dev_password_id=%d config_error=%d", 583 m2d->dev_password_id, m2d->config_error); 584 wpas_notify_wps_event_m2d(wpa_s, m2d); 585#ifdef CONFIG_P2P 586 if (wpa_s->parent && wpa_s->parent != wpa_s) { 587 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D 588 "dev_password_id=%d config_error=%d", 589 m2d->dev_password_id, m2d->config_error); 590 } 591 if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) { 592 /* 593 * Notify P2P from eloop timeout to avoid issues with the 594 * interface getting removed while processing a message. 595 */ 596 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb, wpa_s, 597 NULL); 598 } 599#endif /* CONFIG_P2P */ 600} 601 602 603static void wpas_wps_clear_timeout(void *eloop_ctx, void *timeout_ctx) 604{ 605 struct wpa_supplicant *wpa_s = eloop_ctx; 606 wpa_printf(MSG_DEBUG, "WPS: Clear WPS network from timeout"); 607 wpas_clear_wps(wpa_s); 608} 609 610 611static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s, 612 struct wps_event_fail *fail) 613{ 614 if (fail->error_indication > 0 && 615 fail->error_indication < NUM_WPS_EI_VALUES) { 616 wpa_msg(wpa_s, MSG_INFO, 617 WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)", 618 fail->msg, fail->config_error, fail->error_indication, 619 wps_ei_str(fail->error_indication)); 620 if (wpa_s->parent && wpa_s->parent != wpa_s) 621 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL 622 "msg=%d config_error=%d reason=%d (%s)", 623 fail->msg, fail->config_error, 624 fail->error_indication, 625 wps_ei_str(fail->error_indication)); 626 } else { 627 wpa_msg(wpa_s, MSG_INFO, 628 WPS_EVENT_FAIL "msg=%d config_error=%d", 629 fail->msg, fail->config_error); 630 if (wpa_s->parent && wpa_s->parent != wpa_s) 631 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL 632 "msg=%d config_error=%d", 633 fail->msg, fail->config_error); 634 } 635 636 /* 637 * Need to allow WPS processing to complete, e.g., by sending WSC_NACK. 638 */ 639 wpa_printf(MSG_DEBUG, "WPS: Register timeout to clear WPS network"); 640 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); 641 eloop_register_timeout(0, 100000, wpas_wps_clear_timeout, wpa_s, NULL); 642 643 wpas_notify_wps_event_fail(wpa_s, fail); 644 wpas_p2p_wps_failed(wpa_s, fail); 645} 646 647 648static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx); 649 650static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s) 651{ 652 struct wpa_ssid *ssid; 653 int changed = 0; 654 655 eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); 656 657 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 658 if (ssid->disabled_for_connect && ssid->disabled) { 659 ssid->disabled_for_connect = 0; 660 ssid->disabled = 0; 661 wpas_notify_network_enabled_changed(wpa_s, ssid); 662 changed++; 663 } 664 } 665 666 if (changed) { 667#ifndef CONFIG_NO_CONFIG_WRITE 668 if (wpa_s->conf->update_config && 669 wpa_config_write(wpa_s->confname, wpa_s->conf)) { 670 wpa_printf(MSG_DEBUG, "WPS: Failed to update " 671 "configuration"); 672 } 673#endif /* CONFIG_NO_CONFIG_WRITE */ 674 } 675} 676 677 678static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx) 679{ 680 struct wpa_supplicant *wpa_s = eloop_ctx; 681 /* Enable the networks disabled during wpas_wps_reassoc */ 682 wpas_wps_reenable_networks(wpa_s); 683} 684 685 686static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s) 687{ 688 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS); 689 wpa_s->wps_success = 1; 690 wpas_notify_wps_event_success(wpa_s); 691 if (wpa_s->current_ssid) 692 wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1); 693 wpa_s->extra_blacklist_count = 0; 694 695 /* 696 * Enable the networks disabled during wpas_wps_reassoc after 10 697 * seconds. The 10 seconds timer is to allow the data connection to be 698 * formed before allowing other networks to be selected. 699 */ 700 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s, 701 NULL); 702 703 wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0); 704} 705 706 707static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s, 708 struct wps_event_er_ap *ap) 709{ 710 char uuid_str[100]; 711 char dev_type[WPS_DEV_TYPE_BUFSIZE]; 712 713 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); 714 if (ap->pri_dev_type) 715 wps_dev_type_bin2str(ap->pri_dev_type, dev_type, 716 sizeof(dev_type)); 717 else 718 dev_type[0] = '\0'; 719 720 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR 721 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|", 722 uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state, 723 ap->friendly_name ? ap->friendly_name : "", 724 ap->manufacturer ? ap->manufacturer : "", 725 ap->model_description ? ap->model_description : "", 726 ap->model_name ? ap->model_name : "", 727 ap->manufacturer_url ? ap->manufacturer_url : "", 728 ap->model_url ? ap->model_url : ""); 729} 730 731 732static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s, 733 struct wps_event_er_ap *ap) 734{ 735 char uuid_str[100]; 736 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); 737 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str); 738} 739 740 741static void wpa_supplicant_wps_event_er_enrollee_add( 742 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) 743{ 744 char uuid_str[100]; 745 char dev_type[WPS_DEV_TYPE_BUFSIZE]; 746 747 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); 748 if (enrollee->pri_dev_type) 749 wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type, 750 sizeof(dev_type)); 751 else 752 dev_type[0] = '\0'; 753 754 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR 755 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s " 756 "|%s|%s|%s|%s|%s|", 757 uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received, 758 enrollee->config_methods, enrollee->dev_passwd_id, dev_type, 759 enrollee->dev_name ? enrollee->dev_name : "", 760 enrollee->manufacturer ? enrollee->manufacturer : "", 761 enrollee->model_name ? enrollee->model_name : "", 762 enrollee->model_number ? enrollee->model_number : "", 763 enrollee->serial_number ? enrollee->serial_number : ""); 764} 765 766 767static void wpa_supplicant_wps_event_er_enrollee_remove( 768 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) 769{ 770 char uuid_str[100]; 771 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); 772 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR, 773 uuid_str, MAC2STR(enrollee->mac_addr)); 774} 775 776 777static void wpa_supplicant_wps_event_er_ap_settings( 778 struct wpa_supplicant *wpa_s, 779 struct wps_event_er_ap_settings *ap_settings) 780{ 781 char uuid_str[100]; 782 char key_str[65]; 783 const struct wps_credential *cred = ap_settings->cred; 784 785 key_str[0] = '\0'; 786 if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { 787 if (cred->key_len >= 8 && cred->key_len <= 64) { 788 os_memcpy(key_str, cred->key, cred->key_len); 789 key_str[cred->key_len] = '\0'; 790 } 791 } 792 793 uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str)); 794 /* Use wpa_msg_ctrl to avoid showing the key in debug log */ 795 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS 796 "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x " 797 "key=%s", 798 uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len), 799 cred->auth_type, cred->encr_type, key_str); 800} 801 802 803static void wpa_supplicant_wps_event_er_set_sel_reg( 804 struct wpa_supplicant *wpa_s, 805 struct wps_event_er_set_selected_registrar *ev) 806{ 807 char uuid_str[100]; 808 809 uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str)); 810 switch (ev->state) { 811 case WPS_ER_SET_SEL_REG_START: 812 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG 813 "uuid=%s state=START sel_reg=%d dev_passwd_id=%u " 814 "sel_reg_config_methods=0x%x", 815 uuid_str, ev->sel_reg, ev->dev_passwd_id, 816 ev->sel_reg_config_methods); 817 break; 818 case WPS_ER_SET_SEL_REG_DONE: 819 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG 820 "uuid=%s state=DONE", uuid_str); 821 break; 822 case WPS_ER_SET_SEL_REG_FAILED: 823 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG 824 "uuid=%s state=FAILED", uuid_str); 825 break; 826 } 827} 828 829 830static void wpa_supplicant_wps_event(void *ctx, enum wps_event event, 831 union wps_event_data *data) 832{ 833 struct wpa_supplicant *wpa_s = ctx; 834 switch (event) { 835 case WPS_EV_M2D: 836 wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d); 837 break; 838 case WPS_EV_FAIL: 839 wpa_supplicant_wps_event_fail(wpa_s, &data->fail); 840 break; 841 case WPS_EV_SUCCESS: 842 wpa_supplicant_wps_event_success(wpa_s); 843 break; 844 case WPS_EV_PWD_AUTH_FAIL: 845#ifdef CONFIG_AP 846 if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee) 847 wpa_supplicant_ap_pwd_auth_fail(wpa_s); 848#endif /* CONFIG_AP */ 849 break; 850 case WPS_EV_PBC_OVERLAP: 851 break; 852 case WPS_EV_PBC_TIMEOUT: 853 break; 854 case WPS_EV_PBC_ACTIVE: 855 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ACTIVE); 856 break; 857 case WPS_EV_PBC_DISABLE: 858 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_DISABLE); 859 break; 860 case WPS_EV_ER_AP_ADD: 861 wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap); 862 break; 863 case WPS_EV_ER_AP_REMOVE: 864 wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap); 865 break; 866 case WPS_EV_ER_ENROLLEE_ADD: 867 wpa_supplicant_wps_event_er_enrollee_add(wpa_s, 868 &data->enrollee); 869 break; 870 case WPS_EV_ER_ENROLLEE_REMOVE: 871 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s, 872 &data->enrollee); 873 break; 874 case WPS_EV_ER_AP_SETTINGS: 875 wpa_supplicant_wps_event_er_ap_settings(wpa_s, 876 &data->ap_settings); 877 break; 878 case WPS_EV_ER_SET_SELECTED_REGISTRAR: 879 wpa_supplicant_wps_event_er_set_sel_reg(wpa_s, 880 &data->set_sel_reg); 881 break; 882 case WPS_EV_AP_PIN_SUCCESS: 883 break; 884 } 885} 886 887 888static int wpa_supplicant_wps_rf_band(void *ctx) 889{ 890 struct wpa_supplicant *wpa_s = ctx; 891 892 if (!wpa_s->current_ssid || !wpa_s->assoc_freq) 893 return 0; 894 895 return (wpa_s->assoc_freq > 50000) ? WPS_RF_60GHZ : 896 (wpa_s->assoc_freq > 2484) ? WPS_RF_50GHZ : WPS_RF_24GHZ; 897} 898 899 900enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid) 901{ 902 if (eap_is_wps_pbc_enrollee(&ssid->eap) || 903 eap_is_wps_pin_enrollee(&ssid->eap)) 904 return WPS_REQ_ENROLLEE; 905 else 906 return WPS_REQ_REGISTRAR; 907} 908 909 910static void wpas_clear_wps(struct wpa_supplicant *wpa_s) 911{ 912 int id; 913 struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current; 914 915 wpa_s->after_wps = 0; 916 wpa_s->known_wps_freq = 0; 917 918 prev_current = wpa_s->current_ssid; 919 920 /* Enable the networks disabled during wpas_wps_reassoc */ 921 wpas_wps_reenable_networks(wpa_s); 922 923 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); 924 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); 925 926 /* Remove any existing WPS network from configuration */ 927 ssid = wpa_s->conf->ssid; 928 while (ssid) { 929 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { 930 if (ssid == wpa_s->current_ssid) { 931 wpa_s->own_disconnect_req = 1; 932 wpa_supplicant_deauthenticate( 933 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 934 } 935 id = ssid->id; 936 remove_ssid = ssid; 937 } else 938 id = -1; 939 ssid = ssid->next; 940 if (id >= 0) { 941 if (prev_current == remove_ssid) { 942 wpa_sm_set_config(wpa_s->wpa, NULL); 943 eapol_sm_notify_config(wpa_s->eapol, NULL, 944 NULL); 945 } 946 wpas_notify_network_removed(wpa_s, remove_ssid); 947 wpa_config_remove_network(wpa_s->conf, id); 948 } 949 } 950 951 wpas_wps_clear_ap_info(wpa_s); 952} 953 954 955static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx) 956{ 957 struct wpa_supplicant *wpa_s = eloop_ctx; 958 union wps_event_data data; 959 960 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed " 961 "out"); 962 os_memset(&data, 0, sizeof(data)); 963 data.fail.config_error = WPS_CFG_MSG_TIMEOUT; 964 data.fail.error_indication = WPS_EI_NO_ERROR; 965 /* 966 * Call wpas_notify_wps_event_fail() directly instead of through 967 * wpa_supplicant_wps_event() which would end up registering unnecessary 968 * timeouts (those are only for the case where the failure happens 969 * during an EAP-WSC exchange). 970 */ 971 wpas_notify_wps_event_fail(wpa_s, &data.fail); 972 wpas_clear_wps(wpa_s); 973} 974 975 976static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s, 977 int registrar, const u8 *dev_addr, 978 const u8 *bssid) 979{ 980 struct wpa_ssid *ssid; 981 982 ssid = wpa_config_add_network(wpa_s->conf); 983 if (ssid == NULL) 984 return NULL; 985 wpas_notify_network_added(wpa_s, ssid); 986 wpa_config_set_network_defaults(ssid); 987 ssid->temporary = 1; 988 if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 || 989 wpa_config_set(ssid, "eap", "WSC", 0) < 0 || 990 wpa_config_set(ssid, "identity", registrar ? 991 "\"" WSC_ID_REGISTRAR "\"" : 992 "\"" WSC_ID_ENROLLEE "\"", 0) < 0) { 993 wpas_notify_network_removed(wpa_s, ssid); 994 wpa_config_remove_network(wpa_s->conf, ssid->id); 995 return NULL; 996 } 997 998#ifdef CONFIG_P2P 999 if (dev_addr) 1000 os_memcpy(ssid->go_p2p_dev_addr, dev_addr, ETH_ALEN); 1001#endif /* CONFIG_P2P */ 1002 1003 if (bssid) { 1004#ifndef CONFIG_P2P 1005 struct wpa_bss *bss; 1006 int count = 0; 1007#endif /* CONFIG_P2P */ 1008 1009 os_memcpy(ssid->bssid, bssid, ETH_ALEN); 1010 ssid->bssid_set = 1; 1011 1012 /* 1013 * Note: With P2P, the SSID may change at the time the WPS 1014 * provisioning is started, so better not filter the AP based 1015 * on the current SSID in the scan results. 1016 */ 1017#ifndef CONFIG_P2P 1018 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 1019 if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0) 1020 continue; 1021 1022 os_free(ssid->ssid); 1023 ssid->ssid = os_malloc(bss->ssid_len); 1024 if (ssid->ssid == NULL) 1025 break; 1026 os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len); 1027 ssid->ssid_len = bss->ssid_len; 1028 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from " 1029 "scan results", 1030 ssid->ssid, ssid->ssid_len); 1031 count++; 1032 } 1033 1034 if (count > 1) { 1035 wpa_printf(MSG_DEBUG, "WPS: More than one SSID found " 1036 "for the AP; use wildcard"); 1037 os_free(ssid->ssid); 1038 ssid->ssid = NULL; 1039 ssid->ssid_len = 0; 1040 } 1041#endif /* CONFIG_P2P */ 1042 } 1043 1044 return ssid; 1045} 1046 1047 1048static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s, 1049 struct wpa_ssid *selected) 1050{ 1051 struct wpa_ssid *ssid; 1052 1053 if (wpa_s->current_ssid) { 1054 wpa_s->own_disconnect_req = 1; 1055 wpa_supplicant_deauthenticate( 1056 wpa_s, WLAN_REASON_DEAUTH_LEAVING); 1057 } 1058 1059 /* Mark all other networks disabled and trigger reassociation */ 1060 ssid = wpa_s->conf->ssid; 1061 while (ssid) { 1062 int was_disabled = ssid->disabled; 1063 ssid->disabled_for_connect = 0; 1064 /* 1065 * In case the network object corresponds to a persistent group 1066 * then do not send out network disabled signal. In addition, 1067 * do not change disabled status of persistent network objects 1068 * from 2 to 1 should we connect to another network. 1069 */ 1070 if (was_disabled != 2) { 1071 ssid->disabled = ssid != selected; 1072 if (was_disabled != ssid->disabled) { 1073 if (ssid->disabled) 1074 ssid->disabled_for_connect = 1; 1075 wpas_notify_network_enabled_changed(wpa_s, 1076 ssid); 1077 } 1078 } 1079 ssid = ssid->next; 1080 } 1081} 1082 1083 1084static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s, 1085 struct wpa_ssid *selected, const u8 *bssid, 1086 int freq) 1087{ 1088 struct wpa_bss *bss; 1089 1090 wpa_s->wps_run++; 1091 if (wpa_s->wps_run == 0) 1092 wpa_s->wps_run++; 1093 wpa_s->after_wps = 0; 1094 wpa_s->known_wps_freq = 0; 1095 if (freq) { 1096 wpa_s->after_wps = 5; 1097 wpa_s->wps_freq = freq; 1098 } else if (bssid) { 1099 bss = wpa_bss_get_bssid_latest(wpa_s, bssid); 1100 if (bss && bss->freq > 0) { 1101 wpa_s->known_wps_freq = 1; 1102 wpa_s->wps_freq = bss->freq; 1103 } 1104 } 1105 1106 wpas_wps_temp_disable(wpa_s, selected); 1107 1108 wpa_s->disconnected = 0; 1109 wpa_s->reassociate = 1; 1110 wpa_s->scan_runs = 0; 1111 wpa_s->normal_scans = 0; 1112 wpa_s->wps_success = 0; 1113 wpa_s->blacklist_cleared = 0; 1114 1115 wpa_supplicant_cancel_sched_scan(wpa_s); 1116 wpa_supplicant_req_scan(wpa_s, 0, 0); 1117} 1118 1119 1120int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid, 1121 int p2p_group) 1122{ 1123 struct wpa_ssid *ssid; 1124 1125#ifdef CONFIG_AP 1126 if (wpa_s->ap_iface) { 1127 wpa_printf(MSG_DEBUG, 1128 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled"); 1129 return -1; 1130 } 1131#endif /* CONFIG_AP */ 1132 wpas_clear_wps(wpa_s); 1133 ssid = wpas_wps_add_network(wpa_s, 0, NULL, bssid); 1134 if (ssid == NULL) 1135 return -1; 1136 ssid->temporary = 1; 1137 ssid->p2p_group = p2p_group; 1138#ifdef CONFIG_P2P 1139 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { 1140 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); 1141 if (ssid->ssid) { 1142 ssid->ssid_len = wpa_s->go_params->ssid_len; 1143 os_memcpy(ssid->ssid, wpa_s->go_params->ssid, 1144 ssid->ssid_len); 1145 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " 1146 "SSID", ssid->ssid, ssid->ssid_len); 1147 } 1148 } 1149#endif /* CONFIG_P2P */ 1150 if (wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0) < 0) 1151 return -1; 1152 if (wpa_s->wps_fragment_size) 1153 ssid->eap.fragment_size = wpa_s->wps_fragment_size; 1154 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, 1155 wpa_s, NULL); 1156 wpas_wps_reassoc(wpa_s, ssid, bssid, 0); 1157 return 0; 1158} 1159 1160 1161static int wpas_wps_start_dev_pw(struct wpa_supplicant *wpa_s, 1162 const u8 *dev_addr, const u8 *bssid, 1163 const char *pin, int p2p_group, u16 dev_pw_id, 1164 const u8 *peer_pubkey_hash, 1165 const u8 *ssid_val, size_t ssid_len, int freq) 1166{ 1167 struct wpa_ssid *ssid; 1168 char val[128 + 2 * WPS_OOB_PUBKEY_HASH_LEN]; 1169 unsigned int rpin = 0; 1170 char hash[2 * WPS_OOB_PUBKEY_HASH_LEN + 10]; 1171 1172#ifdef CONFIG_AP 1173 if (wpa_s->ap_iface) { 1174 wpa_printf(MSG_DEBUG, 1175 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled"); 1176 return -1; 1177 } 1178#endif /* CONFIG_AP */ 1179 wpas_clear_wps(wpa_s); 1180 if (bssid && is_zero_ether_addr(bssid)) 1181 bssid = NULL; 1182 ssid = wpas_wps_add_network(wpa_s, 0, dev_addr, bssid); 1183 if (ssid == NULL) { 1184 wpa_printf(MSG_DEBUG, "WPS: Could not add network"); 1185 return -1; 1186 } 1187 ssid->temporary = 1; 1188 ssid->p2p_group = p2p_group; 1189 if (ssid_val) { 1190 ssid->ssid = os_malloc(ssid_len); 1191 if (ssid->ssid) { 1192 os_memcpy(ssid->ssid, ssid_val, ssid_len); 1193 ssid->ssid_len = ssid_len; 1194 } 1195 } 1196 if (peer_pubkey_hash) { 1197 os_memcpy(hash, " pkhash=", 8); 1198 wpa_snprintf_hex_uppercase(hash + 8, sizeof(hash) - 8, 1199 peer_pubkey_hash, 1200 WPS_OOB_PUBKEY_HASH_LEN); 1201 } else { 1202 hash[0] = '\0'; 1203 } 1204#ifdef CONFIG_P2P 1205 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { 1206 os_free(ssid->ssid); 1207 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); 1208 if (ssid->ssid) { 1209 ssid->ssid_len = wpa_s->go_params->ssid_len; 1210 os_memcpy(ssid->ssid, wpa_s->go_params->ssid, 1211 ssid->ssid_len); 1212 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " 1213 "SSID", ssid->ssid, ssid->ssid_len); 1214 } 1215 } 1216#endif /* CONFIG_P2P */ 1217 if (pin) 1218 os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u%s\"", 1219 pin, dev_pw_id, hash); 1220 else if (pin == NULL && dev_pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) { 1221 os_snprintf(val, sizeof(val), "\"dev_pw_id=%u%s\"", 1222 dev_pw_id, hash); 1223 } else { 1224 rpin = wps_generate_pin(); 1225 os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u%s\"", 1226 rpin, dev_pw_id, hash); 1227 } 1228 if (wpa_config_set(ssid, "phase1", val, 0) < 0) { 1229 wpa_printf(MSG_DEBUG, "WPS: Failed to set phase1 '%s'", val); 1230 return -1; 1231 } 1232 if (wpa_s->wps_fragment_size) 1233 ssid->eap.fragment_size = wpa_s->wps_fragment_size; 1234 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, 1235 wpa_s, NULL); 1236 wpa_s->wps_ap_iter = 1; 1237 wpas_wps_reassoc(wpa_s, ssid, bssid, freq); 1238 return rpin; 1239} 1240 1241 1242int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid, 1243 const char *pin, int p2p_group, u16 dev_pw_id) 1244{ 1245 os_get_reltime(&wpa_s->wps_pin_start_time); 1246 return wpas_wps_start_dev_pw(wpa_s, NULL, bssid, pin, p2p_group, 1247 dev_pw_id, NULL, NULL, 0, 0); 1248} 1249 1250 1251void wpas_wps_pbc_overlap(struct wpa_supplicant *wpa_s) 1252{ 1253 union wps_event_data data; 1254 1255 os_memset(&data, 0, sizeof(data)); 1256 data.fail.config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 1257 data.fail.error_indication = WPS_EI_NO_ERROR; 1258 /* 1259 * Call wpas_notify_wps_event_fail() directly instead of through 1260 * wpa_supplicant_wps_event() which would end up registering unnecessary 1261 * timeouts (those are only for the case where the failure happens 1262 * during an EAP-WSC exchange). 1263 */ 1264 wpas_notify_wps_event_fail(wpa_s, &data.fail); 1265} 1266 1267/* Cancel the wps pbc/pin requests */ 1268int wpas_wps_cancel(struct wpa_supplicant *wpa_s) 1269{ 1270#ifdef CONFIG_AP 1271 if (wpa_s->ap_iface) { 1272 wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode"); 1273 return wpa_supplicant_ap_wps_cancel(wpa_s); 1274 } 1275#endif /* CONFIG_AP */ 1276 1277 if (wpa_s->wpa_state == WPA_SCANNING || 1278 wpa_s->wpa_state == WPA_DISCONNECTED) { 1279 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan"); 1280 wpa_supplicant_cancel_scan(wpa_s); 1281 wpas_clear_wps(wpa_s); 1282 } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) { 1283 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - " 1284 "deauthenticate"); 1285 wpa_s->own_disconnect_req = 1; 1286 wpa_supplicant_deauthenticate(wpa_s, 1287 WLAN_REASON_DEAUTH_LEAVING); 1288 wpas_clear_wps(wpa_s); 1289 } else { 1290 wpas_wps_reenable_networks(wpa_s); 1291 wpas_wps_clear_ap_info(wpa_s); 1292 if (eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL) > 1293 0) 1294 wpas_clear_wps(wpa_s); 1295 } 1296 1297 wpa_s->after_wps = 0; 1298 1299 return 0; 1300} 1301 1302 1303int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid, 1304 const char *pin, struct wps_new_ap_settings *settings) 1305{ 1306 struct wpa_ssid *ssid; 1307 char val[200]; 1308 char *pos, *end; 1309 int res; 1310 1311#ifdef CONFIG_AP 1312 if (wpa_s->ap_iface) { 1313 wpa_printf(MSG_DEBUG, 1314 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled"); 1315 return -1; 1316 } 1317#endif /* CONFIG_AP */ 1318 if (!pin) 1319 return -1; 1320 wpas_clear_wps(wpa_s); 1321 ssid = wpas_wps_add_network(wpa_s, 1, NULL, bssid); 1322 if (ssid == NULL) 1323 return -1; 1324 ssid->temporary = 1; 1325 pos = val; 1326 end = pos + sizeof(val); 1327 res = os_snprintf(pos, end - pos, "\"pin=%s", pin); 1328 if (os_snprintf_error(end - pos, res)) 1329 return -1; 1330 pos += res; 1331 if (settings) { 1332 res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s " 1333 "new_encr=%s new_key=%s", 1334 settings->ssid_hex, settings->auth, 1335 settings->encr, settings->key_hex); 1336 if (os_snprintf_error(end - pos, res)) 1337 return -1; 1338 pos += res; 1339 } 1340 res = os_snprintf(pos, end - pos, "\""); 1341 if (os_snprintf_error(end - pos, res)) 1342 return -1; 1343 if (wpa_config_set(ssid, "phase1", val, 0) < 0) 1344 return -1; 1345 if (wpa_s->wps_fragment_size) 1346 ssid->eap.fragment_size = wpa_s->wps_fragment_size; 1347 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, 1348 wpa_s, NULL); 1349 wpas_wps_reassoc(wpa_s, ssid, bssid, 0); 1350 return 0; 1351} 1352 1353 1354static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, 1355 const u8 *p2p_dev_addr, const u8 *psk, 1356 size_t psk_len) 1357{ 1358 if (is_zero_ether_addr(p2p_dev_addr)) { 1359 wpa_printf(MSG_DEBUG, 1360 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR, 1361 MAC2STR(mac_addr)); 1362 } else { 1363 wpa_printf(MSG_DEBUG, 1364 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR 1365 " P2P Device Addr " MACSTR, 1366 MAC2STR(mac_addr), MAC2STR(p2p_dev_addr)); 1367 } 1368 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len); 1369 1370 /* TODO */ 1371 1372 return 0; 1373} 1374 1375 1376static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e, 1377 const struct wps_device_data *dev) 1378{ 1379 char uuid[40], txt[400]; 1380 int len; 1381 char devtype[WPS_DEV_TYPE_BUFSIZE]; 1382 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid))) 1383 return; 1384 wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid); 1385 len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR 1386 " [%s|%s|%s|%s|%s|%s]", 1387 uuid, MAC2STR(dev->mac_addr), dev->device_name, 1388 dev->manufacturer, dev->model_name, 1389 dev->model_number, dev->serial_number, 1390 wps_dev_type_bin2str(dev->pri_dev_type, devtype, 1391 sizeof(devtype))); 1392 if (!os_snprintf_error(sizeof(txt), len)) 1393 wpa_printf(MSG_INFO, "%s", txt); 1394} 1395 1396 1397static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id, 1398 u16 sel_reg_config_methods) 1399{ 1400#ifdef CONFIG_WPS_ER 1401 struct wpa_supplicant *wpa_s = ctx; 1402 1403 if (wpa_s->wps_er == NULL) 1404 return; 1405 wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d " 1406 "dev_password_id=%u sel_reg_config_methods=0x%x", 1407 sel_reg, dev_passwd_id, sel_reg_config_methods); 1408 wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id, 1409 sel_reg_config_methods); 1410#endif /* CONFIG_WPS_ER */ 1411} 1412 1413 1414static u16 wps_fix_config_methods(u16 config_methods) 1415{ 1416 if ((config_methods & 1417 (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY | 1418 WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) { 1419 wpa_printf(MSG_INFO, "WPS: Converting display to " 1420 "virtual_display for WPS 2.0 compliance"); 1421 config_methods |= WPS_CONFIG_VIRT_DISPLAY; 1422 } 1423 if ((config_methods & 1424 (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON | 1425 WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) { 1426 wpa_printf(MSG_INFO, "WPS: Converting push_button to " 1427 "virtual_push_button for WPS 2.0 compliance"); 1428 config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON; 1429 } 1430 1431 return config_methods; 1432} 1433 1434 1435static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s, 1436 struct wps_context *wps) 1437{ 1438 char buf[50]; 1439 const char *src; 1440 1441 if (is_nil_uuid(wpa_s->conf->uuid)) { 1442 struct wpa_supplicant *first; 1443 first = wpa_s->global->ifaces; 1444 while (first && first->next) 1445 first = first->next; 1446 if (first && first != wpa_s) { 1447 if (wps != wpa_s->global->ifaces->wps) 1448 os_memcpy(wps->uuid, 1449 wpa_s->global->ifaces->wps->uuid, 1450 WPS_UUID_LEN); 1451 src = "from the first interface"; 1452 } else { 1453 uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid); 1454 src = "based on MAC address"; 1455 } 1456 } else { 1457 os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN); 1458 src = "based on configuration"; 1459 } 1460 1461 uuid_bin2str(wps->uuid, buf, sizeof(buf)); 1462 wpa_dbg(wpa_s, MSG_DEBUG, "WPS: UUID %s: %s", src, buf); 1463} 1464 1465 1466static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s, 1467 struct wps_context *wps) 1468{ 1469 wpabuf_free(wps->dev.vendor_ext_m1); 1470 wps->dev.vendor_ext_m1 = NULL; 1471 1472 if (wpa_s->conf->wps_vendor_ext_m1) { 1473 wps->dev.vendor_ext_m1 = 1474 wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1); 1475 if (!wps->dev.vendor_ext_m1) { 1476 wpa_printf(MSG_ERROR, "WPS: Cannot " 1477 "allocate memory for vendor_ext_m1"); 1478 } 1479 } 1480} 1481 1482 1483int wpas_wps_init(struct wpa_supplicant *wpa_s) 1484{ 1485 struct wps_context *wps; 1486 struct wps_registrar_config rcfg; 1487 struct hostapd_hw_modes *modes; 1488 u16 m; 1489 1490 wps = os_zalloc(sizeof(*wps)); 1491 if (wps == NULL) 1492 return -1; 1493 1494 wps->cred_cb = wpa_supplicant_wps_cred; 1495 wps->event_cb = wpa_supplicant_wps_event; 1496 wps->rf_band_cb = wpa_supplicant_wps_rf_band; 1497 wps->cb_ctx = wpa_s; 1498 1499 wps->dev.device_name = wpa_s->conf->device_name; 1500 wps->dev.manufacturer = wpa_s->conf->manufacturer; 1501 wps->dev.model_name = wpa_s->conf->model_name; 1502 wps->dev.model_number = wpa_s->conf->model_number; 1503 wps->dev.serial_number = wpa_s->conf->serial_number; 1504 wps->config_methods = 1505 wps_config_methods_str2bin(wpa_s->conf->config_methods); 1506 if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == 1507 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { 1508 wpa_printf(MSG_ERROR, "WPS: Both Label and Display config " 1509 "methods are not allowed at the same time"); 1510 os_free(wps); 1511 return -1; 1512 } 1513 wps->config_methods = wps_fix_config_methods(wps->config_methods); 1514 wps->dev.config_methods = wps->config_methods; 1515 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, 1516 WPS_DEV_TYPE_LEN); 1517 1518 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; 1519 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, 1520 WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types); 1521 1522 wpas_wps_set_vendor_ext_m1(wpa_s, wps); 1523 1524 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); 1525 modes = wpa_s->hw.modes; 1526 if (modes) { 1527 for (m = 0; m < wpa_s->hw.num_modes; m++) { 1528 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B || 1529 modes[m].mode == HOSTAPD_MODE_IEEE80211G) 1530 wps->dev.rf_bands |= WPS_RF_24GHZ; 1531 else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A) 1532 wps->dev.rf_bands |= WPS_RF_50GHZ; 1533 else if (modes[m].mode == HOSTAPD_MODE_IEEE80211AD) 1534 wps->dev.rf_bands |= WPS_RF_60GHZ; 1535 } 1536 } 1537 if (wps->dev.rf_bands == 0) { 1538 /* 1539 * Default to claiming support for both bands if the driver 1540 * does not provide support for fetching supported bands. 1541 */ 1542 wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; 1543 } 1544 os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN); 1545 wpas_wps_set_uuid(wpa_s, wps); 1546 1547 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK; 1548 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP; 1549 1550 os_memset(&rcfg, 0, sizeof(rcfg)); 1551 rcfg.new_psk_cb = wpas_wps_new_psk_cb; 1552 rcfg.pin_needed_cb = wpas_wps_pin_needed_cb; 1553 rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb; 1554 rcfg.cb_ctx = wpa_s; 1555 1556 wps->registrar = wps_registrar_init(wps, &rcfg); 1557 if (wps->registrar == NULL) { 1558 wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar"); 1559 os_free(wps); 1560 return -1; 1561 } 1562 1563 wpa_s->wps = wps; 1564 1565 return 0; 1566} 1567 1568 1569#ifdef CONFIG_WPS_ER 1570static void wpas_wps_nfc_clear(struct wps_context *wps) 1571{ 1572 wps->ap_nfc_dev_pw_id = 0; 1573 wpabuf_free(wps->ap_nfc_dh_pubkey); 1574 wps->ap_nfc_dh_pubkey = NULL; 1575 wpabuf_free(wps->ap_nfc_dh_privkey); 1576 wps->ap_nfc_dh_privkey = NULL; 1577 wpabuf_free(wps->ap_nfc_dev_pw); 1578 wps->ap_nfc_dev_pw = NULL; 1579} 1580#endif /* CONFIG_WPS_ER */ 1581 1582 1583void wpas_wps_deinit(struct wpa_supplicant *wpa_s) 1584{ 1585 wpas_wps_assoc_with_cred_cancel(wpa_s); 1586 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); 1587 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); 1588 eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); 1589 wpas_wps_clear_ap_info(wpa_s); 1590 1591#ifdef CONFIG_P2P 1592 eloop_cancel_timeout(wpas_p2p_pbc_overlap_cb, wpa_s, NULL); 1593#endif /* CONFIG_P2P */ 1594 1595 if (wpa_s->wps == NULL) 1596 return; 1597 1598#ifdef CONFIG_WPS_ER 1599 wps_er_deinit(wpa_s->wps_er, NULL, NULL); 1600 wpa_s->wps_er = NULL; 1601 wpas_wps_nfc_clear(wpa_s->wps); 1602#endif /* CONFIG_WPS_ER */ 1603 1604 wps_registrar_deinit(wpa_s->wps->registrar); 1605 wpabuf_free(wpa_s->wps->dh_pubkey); 1606 wpabuf_free(wpa_s->wps->dh_privkey); 1607 wpabuf_free(wpa_s->wps->dev.vendor_ext_m1); 1608 os_free(wpa_s->wps->network_key); 1609 os_free(wpa_s->wps); 1610 wpa_s->wps = NULL; 1611} 1612 1613 1614int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s, 1615 struct wpa_ssid *ssid, struct wpa_bss *bss) 1616{ 1617 struct wpabuf *wps_ie; 1618 1619 if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS)) 1620 return -1; 1621 1622 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 1623 if (eap_is_wps_pbc_enrollee(&ssid->eap)) { 1624 if (!wps_ie) { 1625 wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); 1626 return 0; 1627 } 1628 1629 if (!wps_is_selected_pbc_registrar(wps_ie)) { 1630 wpa_printf(MSG_DEBUG, " skip - WPS AP " 1631 "without active PBC Registrar"); 1632 wpabuf_free(wps_ie); 1633 return 0; 1634 } 1635 1636 /* TODO: overlap detection */ 1637 wpa_printf(MSG_DEBUG, " selected based on WPS IE " 1638 "(Active PBC)"); 1639 wpabuf_free(wps_ie); 1640 return 1; 1641 } 1642 1643 if (eap_is_wps_pin_enrollee(&ssid->eap)) { 1644 if (!wps_ie) { 1645 wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); 1646 return 0; 1647 } 1648 1649 /* 1650 * Start with WPS APs that advertise our address as an 1651 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and 1652 * allow any WPS AP after couple of scans since some APs do not 1653 * set Selected Registrar attribute properly when using 1654 * external Registrar. 1655 */ 1656 if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) { 1657 struct os_reltime age; 1658 1659 os_reltime_age(&wpa_s->wps_pin_start_time, &age); 1660 1661 if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG || 1662 age.sec < WPS_PIN_TIME_IGNORE_SEL_REG) { 1663 wpa_printf(MSG_DEBUG, 1664 " skip - WPS AP without active PIN Registrar (scan_runs=%d age=%d)", 1665 wpa_s->scan_runs, (int) age.sec); 1666 wpabuf_free(wps_ie); 1667 return 0; 1668 } 1669 wpa_printf(MSG_DEBUG, " selected based on WPS IE"); 1670 } else { 1671 wpa_printf(MSG_DEBUG, " selected based on WPS IE " 1672 "(Authorized MAC or Active PIN)"); 1673 } 1674 wpabuf_free(wps_ie); 1675 return 1; 1676 } 1677 1678 if (wps_ie) { 1679 wpa_printf(MSG_DEBUG, " selected based on WPS IE"); 1680 wpabuf_free(wps_ie); 1681 return 1; 1682 } 1683 1684 return -1; 1685} 1686 1687 1688int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s, 1689 struct wpa_ssid *ssid, 1690 struct wpa_bss *bss) 1691{ 1692 struct wpabuf *wps_ie = NULL; 1693 int ret = 0; 1694 1695 if (eap_is_wps_pbc_enrollee(&ssid->eap)) { 1696 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 1697 if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) { 1698 /* allow wildcard SSID for WPS PBC */ 1699 ret = 1; 1700 } 1701 } else if (eap_is_wps_pin_enrollee(&ssid->eap)) { 1702 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 1703 if (wps_ie && 1704 (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) || 1705 wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) { 1706 /* allow wildcard SSID for WPS PIN */ 1707 ret = 1; 1708 } 1709 } 1710 1711 if (!ret && ssid->bssid_set && 1712 os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) { 1713 /* allow wildcard SSID due to hardcoded BSSID match */ 1714 ret = 1; 1715 } 1716 1717#ifdef CONFIG_WPS_STRICT 1718 if (wps_ie) { 1719 if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len > 1720 0, bss->bssid) < 0) 1721 ret = 0; 1722 if (bss->beacon_ie_len) { 1723 struct wpabuf *bcn_wps; 1724 bcn_wps = wpa_bss_get_vendor_ie_multi_beacon( 1725 bss, WPS_IE_VENDOR_TYPE); 1726 if (bcn_wps == NULL) { 1727 wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE " 1728 "missing from AP Beacon"); 1729 ret = 0; 1730 } else { 1731 if (wps_validate_beacon(wps_ie) < 0) 1732 ret = 0; 1733 wpabuf_free(bcn_wps); 1734 } 1735 } 1736 } 1737#endif /* CONFIG_WPS_STRICT */ 1738 1739 wpabuf_free(wps_ie); 1740 1741 return ret; 1742} 1743 1744 1745int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s, 1746 struct wpa_bss *selected, struct wpa_ssid *ssid) 1747{ 1748 const u8 *sel_uuid; 1749 struct wpabuf *wps_ie; 1750 int ret = 0; 1751 size_t i; 1752 1753 if (!eap_is_wps_pbc_enrollee(&ssid->eap)) 1754 return 0; 1755 1756 wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is " 1757 "present in scan results; selected BSSID " MACSTR, 1758 MAC2STR(selected->bssid)); 1759 1760 /* Make sure that only one AP is in active PBC mode */ 1761 wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE); 1762 if (wps_ie) { 1763 sel_uuid = wps_get_uuid_e(wps_ie); 1764 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS", 1765 sel_uuid, UUID_LEN); 1766 } else { 1767 wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include " 1768 "WPS IE?!"); 1769 sel_uuid = NULL; 1770 } 1771 1772 for (i = 0; i < wpa_s->num_wps_ap; i++) { 1773 struct wps_ap_info *ap = &wpa_s->wps_ap[i]; 1774 1775 if (!ap->pbc_active || 1776 os_memcmp(selected->bssid, ap->bssid, ETH_ALEN) == 0) 1777 continue; 1778 1779 wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: " 1780 MACSTR, MAC2STR(ap->bssid)); 1781 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS", 1782 ap->uuid, UUID_LEN); 1783 if (sel_uuid == NULL || 1784 os_memcmp(sel_uuid, ap->uuid, UUID_LEN) != 0) { 1785 ret = 1; /* PBC overlap */ 1786 wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: " 1787 MACSTR " and " MACSTR, 1788 MAC2STR(selected->bssid), 1789 MAC2STR(ap->bssid)); 1790 break; 1791 } 1792 1793 /* TODO: verify that this is reasonable dual-band situation */ 1794 } 1795 1796 wpabuf_free(wps_ie); 1797 1798 return ret; 1799} 1800 1801 1802void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s) 1803{ 1804 struct wpa_bss *bss; 1805 unsigned int pbc = 0, auth = 0, pin = 0, wps = 0; 1806 1807 if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED) 1808 return; 1809 1810 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 1811 struct wpabuf *ie; 1812 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 1813 if (!ie) 1814 continue; 1815 if (wps_is_selected_pbc_registrar(ie)) 1816 pbc++; 1817 else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0)) 1818 auth++; 1819 else if (wps_is_selected_pin_registrar(ie)) 1820 pin++; 1821 else 1822 wps++; 1823 wpabuf_free(ie); 1824 } 1825 1826 if (pbc) 1827 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC); 1828 else if (auth) 1829 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH); 1830 else if (pin) 1831 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN); 1832 else if (wps) 1833 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE); 1834} 1835 1836 1837int wpas_wps_searching(struct wpa_supplicant *wpa_s) 1838{ 1839 struct wpa_ssid *ssid; 1840 1841 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 1842 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled) 1843 return 1; 1844 } 1845 1846 return 0; 1847} 1848 1849 1850int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf, 1851 char *end) 1852{ 1853 struct wpabuf *wps_ie; 1854 int ret; 1855 1856 wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA); 1857 if (wps_ie == NULL) 1858 return 0; 1859 1860 ret = wps_attr_text(wps_ie, buf, end); 1861 wpabuf_free(wps_ie); 1862 return ret; 1863} 1864 1865 1866int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter) 1867{ 1868#ifdef CONFIG_WPS_ER 1869 if (wpa_s->wps_er) { 1870 wps_er_refresh(wpa_s->wps_er); 1871 return 0; 1872 } 1873 wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter); 1874 if (wpa_s->wps_er == NULL) 1875 return -1; 1876 return 0; 1877#else /* CONFIG_WPS_ER */ 1878 return 0; 1879#endif /* CONFIG_WPS_ER */ 1880} 1881 1882 1883void wpas_wps_er_stop(struct wpa_supplicant *wpa_s) 1884{ 1885#ifdef CONFIG_WPS_ER 1886 wps_er_deinit(wpa_s->wps_er, NULL, NULL); 1887 wpa_s->wps_er = NULL; 1888#endif /* CONFIG_WPS_ER */ 1889} 1890 1891 1892#ifdef CONFIG_WPS_ER 1893int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr, 1894 const char *uuid, const char *pin) 1895{ 1896 u8 u[UUID_LEN]; 1897 const u8 *use_uuid = NULL; 1898 u8 addr_buf[ETH_ALEN]; 1899 1900 if (os_strcmp(uuid, "any") == 0) { 1901 } else if (uuid_str2bin(uuid, u) == 0) { 1902 use_uuid = u; 1903 } else if (hwaddr_aton(uuid, addr_buf) == 0) { 1904 use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf); 1905 if (use_uuid == NULL) 1906 return -1; 1907 } else 1908 return -1; 1909 return wps_registrar_add_pin(wpa_s->wps->registrar, addr, 1910 use_uuid, 1911 (const u8 *) pin, os_strlen(pin), 300); 1912} 1913 1914 1915int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid) 1916{ 1917 u8 u[UUID_LEN], *use_uuid = NULL; 1918 u8 addr[ETH_ALEN], *use_addr = NULL; 1919 1920 if (uuid_str2bin(uuid, u) == 0) 1921 use_uuid = u; 1922 else if (hwaddr_aton(uuid, addr) == 0) 1923 use_addr = addr; 1924 else 1925 return -1; 1926 return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr); 1927} 1928 1929 1930int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid, 1931 const char *pin) 1932{ 1933 u8 u[UUID_LEN], *use_uuid = NULL; 1934 u8 addr[ETH_ALEN], *use_addr = NULL; 1935 1936 if (uuid_str2bin(uuid, u) == 0) 1937 use_uuid = u; 1938 else if (hwaddr_aton(uuid, addr) == 0) 1939 use_addr = addr; 1940 else 1941 return -1; 1942 1943 return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin, 1944 os_strlen(pin)); 1945} 1946 1947 1948static int wpas_wps_network_to_cred(struct wpa_ssid *ssid, 1949 struct wps_credential *cred) 1950{ 1951 os_memset(cred, 0, sizeof(*cred)); 1952 if (ssid->ssid_len > SSID_MAX_LEN) 1953 return -1; 1954 os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len); 1955 cred->ssid_len = ssid->ssid_len; 1956 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { 1957 cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ? 1958 WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK; 1959 if (ssid->pairwise_cipher & WPA_CIPHER_CCMP) 1960 cred->encr_type = WPS_ENCR_AES; 1961 else 1962 cred->encr_type = WPS_ENCR_TKIP; 1963 if (ssid->passphrase) { 1964 cred->key_len = os_strlen(ssid->passphrase); 1965 if (cred->key_len >= 64) 1966 return -1; 1967 os_memcpy(cred->key, ssid->passphrase, cred->key_len); 1968 } else if (ssid->psk_set) { 1969 cred->key_len = 32; 1970 os_memcpy(cred->key, ssid->psk, 32); 1971 } else 1972 return -1; 1973 } else { 1974 cred->auth_type = WPS_AUTH_OPEN; 1975 cred->encr_type = WPS_ENCR_NONE; 1976 } 1977 1978 return 0; 1979} 1980 1981 1982int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid, 1983 int id) 1984{ 1985 u8 u[UUID_LEN], *use_uuid = NULL; 1986 u8 addr[ETH_ALEN], *use_addr = NULL; 1987 struct wpa_ssid *ssid; 1988 struct wps_credential cred; 1989 int ret; 1990 1991 if (uuid_str2bin(uuid, u) == 0) 1992 use_uuid = u; 1993 else if (hwaddr_aton(uuid, addr) == 0) 1994 use_addr = addr; 1995 else 1996 return -1; 1997 ssid = wpa_config_get_network(wpa_s->conf, id); 1998 if (ssid == NULL || ssid->ssid == NULL) 1999 return -1; 2000 2001 if (wpas_wps_network_to_cred(ssid, &cred) < 0) 2002 return -1; 2003 ret = wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred); 2004 os_memset(&cred, 0, sizeof(cred)); 2005 return ret; 2006} 2007 2008 2009int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid, 2010 const char *pin, struct wps_new_ap_settings *settings) 2011{ 2012 u8 u[UUID_LEN], *use_uuid = NULL; 2013 u8 addr[ETH_ALEN], *use_addr = NULL; 2014 struct wps_credential cred; 2015 size_t len; 2016 2017 if (uuid_str2bin(uuid, u) == 0) 2018 use_uuid = u; 2019 else if (hwaddr_aton(uuid, addr) == 0) 2020 use_addr = addr; 2021 else 2022 return -1; 2023 if (settings->ssid_hex == NULL || settings->auth == NULL || 2024 settings->encr == NULL || settings->key_hex == NULL) 2025 return -1; 2026 2027 os_memset(&cred, 0, sizeof(cred)); 2028 len = os_strlen(settings->ssid_hex); 2029 if ((len & 1) || len > 2 * sizeof(cred.ssid) || 2030 hexstr2bin(settings->ssid_hex, cred.ssid, len / 2)) 2031 return -1; 2032 cred.ssid_len = len / 2; 2033 2034 len = os_strlen(settings->key_hex); 2035 if ((len & 1) || len > 2 * sizeof(cred.key) || 2036 hexstr2bin(settings->key_hex, cred.key, len / 2)) 2037 return -1; 2038 cred.key_len = len / 2; 2039 2040 if (os_strcmp(settings->auth, "OPEN") == 0) 2041 cred.auth_type = WPS_AUTH_OPEN; 2042 else if (os_strcmp(settings->auth, "WPAPSK") == 0) 2043 cred.auth_type = WPS_AUTH_WPAPSK; 2044 else if (os_strcmp(settings->auth, "WPA2PSK") == 0) 2045 cred.auth_type = WPS_AUTH_WPA2PSK; 2046 else 2047 return -1; 2048 2049 if (os_strcmp(settings->encr, "NONE") == 0) 2050 cred.encr_type = WPS_ENCR_NONE; 2051#ifdef CONFIG_TESTING_OPTIONS 2052 else if (os_strcmp(settings->encr, "WEP") == 0) 2053 cred.encr_type = WPS_ENCR_WEP; 2054#endif /* CONFIG_TESTING_OPTIONS */ 2055 else if (os_strcmp(settings->encr, "TKIP") == 0) 2056 cred.encr_type = WPS_ENCR_TKIP; 2057 else if (os_strcmp(settings->encr, "CCMP") == 0) 2058 cred.encr_type = WPS_ENCR_AES; 2059 else 2060 return -1; 2061 2062 return wps_er_config(wpa_s->wps_er, use_uuid, use_addr, 2063 (const u8 *) pin, os_strlen(pin), &cred); 2064} 2065 2066 2067#ifdef CONFIG_WPS_NFC 2068struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s, 2069 int ndef, const char *uuid) 2070{ 2071 struct wpabuf *ret; 2072 u8 u[UUID_LEN], *use_uuid = NULL; 2073 u8 addr[ETH_ALEN], *use_addr = NULL; 2074 2075 if (!wpa_s->wps_er) 2076 return NULL; 2077 2078 if (uuid_str2bin(uuid, u) == 0) 2079 use_uuid = u; 2080 else if (hwaddr_aton(uuid, addr) == 0) 2081 use_addr = addr; 2082 else 2083 return NULL; 2084 2085 ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr); 2086 if (ndef && ret) { 2087 struct wpabuf *tmp; 2088 tmp = ndef_build_wifi(ret); 2089 wpabuf_free(ret); 2090 if (tmp == NULL) 2091 return NULL; 2092 ret = tmp; 2093 } 2094 2095 return ret; 2096} 2097#endif /* CONFIG_WPS_NFC */ 2098 2099 2100static int callbacks_pending = 0; 2101 2102static void wpas_wps_terminate_cb(void *ctx) 2103{ 2104 wpa_printf(MSG_DEBUG, "WPS ER: Terminated"); 2105 if (--callbacks_pending <= 0) 2106 eloop_terminate(); 2107} 2108#endif /* CONFIG_WPS_ER */ 2109 2110 2111int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s) 2112{ 2113#ifdef CONFIG_WPS_ER 2114 if (wpa_s->wps_er) { 2115 callbacks_pending++; 2116 wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s); 2117 wpa_s->wps_er = NULL; 2118 return 1; 2119 } 2120#endif /* CONFIG_WPS_ER */ 2121 return 0; 2122} 2123 2124 2125void wpas_wps_update_config(struct wpa_supplicant *wpa_s) 2126{ 2127 struct wps_context *wps = wpa_s->wps; 2128 2129 if (wps == NULL) 2130 return; 2131 2132 if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) { 2133 wps->config_methods = wps_config_methods_str2bin( 2134 wpa_s->conf->config_methods); 2135 if ((wps->config_methods & 2136 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == 2137 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { 2138 wpa_printf(MSG_ERROR, "WPS: Both Label and Display " 2139 "config methods are not allowed at the " 2140 "same time"); 2141 wps->config_methods &= ~WPS_CONFIG_LABEL; 2142 } 2143 } 2144 wps->config_methods = wps_fix_config_methods(wps->config_methods); 2145 wps->dev.config_methods = wps->config_methods; 2146 2147 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) 2148 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, 2149 WPS_DEV_TYPE_LEN); 2150 2151 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) { 2152 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; 2153 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, 2154 wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN); 2155 } 2156 2157 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) 2158 wpas_wps_set_vendor_ext_m1(wpa_s, wps); 2159 2160 if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION) 2161 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); 2162 2163 if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID) 2164 wpas_wps_set_uuid(wpa_s, wps); 2165 2166 if (wpa_s->conf->changed_parameters & 2167 (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) { 2168 /* Update pointers to make sure they refer current values */ 2169 wps->dev.device_name = wpa_s->conf->device_name; 2170 wps->dev.manufacturer = wpa_s->conf->manufacturer; 2171 wps->dev.model_name = wpa_s->conf->model_name; 2172 wps->dev.model_number = wpa_s->conf->model_number; 2173 wps->dev.serial_number = wpa_s->conf->serial_number; 2174 } 2175} 2176 2177 2178#ifdef CONFIG_WPS_NFC 2179 2180#ifdef CONFIG_WPS_ER 2181static struct wpabuf * 2182wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef, 2183 struct wpa_ssid *ssid) 2184{ 2185 struct wpabuf *ret; 2186 struct wps_credential cred; 2187 2188 if (wpas_wps_network_to_cred(ssid, &cred) < 0) 2189 return NULL; 2190 2191 ret = wps_er_config_token_from_cred(wpa_s->wps, &cred); 2192 2193 if (ndef && ret) { 2194 struct wpabuf *tmp; 2195 tmp = ndef_build_wifi(ret); 2196 wpabuf_free(ret); 2197 if (tmp == NULL) 2198 return NULL; 2199 ret = tmp; 2200 } 2201 2202 return ret; 2203} 2204#endif /* CONFIG_WPS_ER */ 2205 2206 2207struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s, 2208 int ndef, const char *id_str) 2209{ 2210#ifdef CONFIG_WPS_ER 2211 if (id_str) { 2212 int id; 2213 char *end = NULL; 2214 struct wpa_ssid *ssid; 2215 2216 id = strtol(id_str, &end, 10); 2217 if (end && *end) 2218 return NULL; 2219 2220 ssid = wpa_config_get_network(wpa_s->conf, id); 2221 if (ssid == NULL) 2222 return NULL; 2223 return wpas_wps_network_config_token(wpa_s, ndef, ssid); 2224 } 2225#endif /* CONFIG_WPS_ER */ 2226#ifdef CONFIG_AP 2227 if (wpa_s->ap_iface) 2228 return wpas_ap_wps_nfc_config_token(wpa_s, ndef); 2229#endif /* CONFIG_AP */ 2230 return NULL; 2231} 2232 2233 2234struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef) 2235{ 2236 if (wpa_s->conf->wps_nfc_pw_from_config) { 2237 return wps_nfc_token_build(ndef, 2238 wpa_s->conf->wps_nfc_dev_pw_id, 2239 wpa_s->conf->wps_nfc_dh_pubkey, 2240 wpa_s->conf->wps_nfc_dev_pw); 2241 } 2242 2243 return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id, 2244 &wpa_s->conf->wps_nfc_dh_pubkey, 2245 &wpa_s->conf->wps_nfc_dh_privkey, 2246 &wpa_s->conf->wps_nfc_dev_pw); 2247} 2248 2249 2250int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *go_dev_addr, 2251 const u8 *bssid, 2252 const struct wpabuf *dev_pw, u16 dev_pw_id, 2253 int p2p_group, const u8 *peer_pubkey_hash, 2254 const u8 *ssid, size_t ssid_len, int freq) 2255{ 2256 struct wps_context *wps = wpa_s->wps; 2257 char pw[32 * 2 + 1]; 2258 2259 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) { 2260 dev_pw = wpa_s->conf->wps_nfc_dev_pw; 2261 dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id; 2262 } 2263 2264 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL || 2265 wpa_s->conf->wps_nfc_dh_privkey == NULL) { 2266 wpa_printf(MSG_DEBUG, "WPS: Missing DH params - " 2267 "cannot start NFC-triggered connection"); 2268 return -1; 2269 } 2270 2271 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) { 2272 wpa_printf(MSG_DEBUG, "WPS: Missing Device Password (id=%u) - " 2273 "cannot start NFC-triggered connection", dev_pw_id); 2274 return -1; 2275 } 2276 2277 dh5_free(wps->dh_ctx); 2278 wpabuf_free(wps->dh_pubkey); 2279 wpabuf_free(wps->dh_privkey); 2280 wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); 2281 wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); 2282 if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) { 2283 wps->dh_ctx = NULL; 2284 wpabuf_free(wps->dh_pubkey); 2285 wps->dh_pubkey = NULL; 2286 wpabuf_free(wps->dh_privkey); 2287 wps->dh_privkey = NULL; 2288 wpa_printf(MSG_DEBUG, "WPS: Failed to get DH priv/pub key"); 2289 return -1; 2290 } 2291 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey); 2292 if (wps->dh_ctx == NULL) { 2293 wpabuf_free(wps->dh_pubkey); 2294 wps->dh_pubkey = NULL; 2295 wpabuf_free(wps->dh_privkey); 2296 wps->dh_privkey = NULL; 2297 wpa_printf(MSG_DEBUG, "WPS: Failed to initialize DH context"); 2298 return -1; 2299 } 2300 2301 if (dev_pw) { 2302 wpa_snprintf_hex_uppercase(pw, sizeof(pw), 2303 wpabuf_head(dev_pw), 2304 wpabuf_len(dev_pw)); 2305 } 2306 return wpas_wps_start_dev_pw(wpa_s, go_dev_addr, bssid, 2307 dev_pw ? pw : NULL, 2308 p2p_group, dev_pw_id, peer_pubkey_hash, 2309 ssid, ssid_len, freq); 2310} 2311 2312 2313static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s, 2314 struct wps_parse_attr *attr) 2315{ 2316 /* 2317 * Disable existing networks temporarily to allow the newly learned 2318 * credential to be preferred. Enable the temporarily disabled networks 2319 * after 10 seconds. 2320 */ 2321 wpas_wps_temp_disable(wpa_s, NULL); 2322 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s, 2323 NULL); 2324 2325 if (wps_oob_use_cred(wpa_s->wps, attr) < 0) 2326 return -1; 2327 2328 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) 2329 return 0; 2330 2331 if (attr->ap_channel) { 2332 u16 chan = WPA_GET_BE16(attr->ap_channel); 2333 int freq = 0; 2334 2335 if (chan >= 1 && chan <= 13) 2336 freq = 2407 + 5 * chan; 2337 else if (chan == 14) 2338 freq = 2484; 2339 else if (chan >= 30) 2340 freq = 5000 + 5 * chan; 2341 2342 if (freq) { 2343 wpa_printf(MSG_DEBUG, "WPS: Credential container indicated AP channel %u -> %u MHz", 2344 chan, freq); 2345 wpa_s->after_wps = 5; 2346 wpa_s->wps_freq = freq; 2347 } 2348 } 2349 2350 wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network " 2351 "based on the received credential added"); 2352 wpa_s->normal_scans = 0; 2353 wpa_supplicant_reinit_autoscan(wpa_s); 2354 wpa_s->disconnected = 0; 2355 wpa_s->reassociate = 1; 2356 2357 wpa_supplicant_cancel_sched_scan(wpa_s); 2358 wpa_supplicant_req_scan(wpa_s, 0, 0); 2359 2360 return 0; 2361} 2362 2363 2364#ifdef CONFIG_WPS_ER 2365static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s, 2366 struct wps_parse_attr *attr) 2367{ 2368 return wps_registrar_add_nfc_password_token( 2369 wpa_s->wps->registrar, attr->oob_dev_password, 2370 attr->oob_dev_password_len); 2371} 2372#endif /* CONFIG_WPS_ER */ 2373 2374 2375static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s, 2376 const struct wpabuf *wps) 2377{ 2378 struct wps_parse_attr attr; 2379 2380 wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps); 2381 2382 if (wps_parse_msg(wps, &attr)) { 2383 wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag"); 2384 return -1; 2385 } 2386 2387 if (attr.num_cred) 2388 return wpas_wps_use_cred(wpa_s, &attr); 2389 2390#ifdef CONFIG_WPS_ER 2391 if (attr.oob_dev_password) 2392 return wpas_wps_add_nfc_password_token(wpa_s, &attr); 2393#endif /* CONFIG_WPS_ER */ 2394 2395 wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag"); 2396 return -1; 2397} 2398 2399 2400int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s, 2401 const struct wpabuf *data, int forced_freq) 2402{ 2403 const struct wpabuf *wps = data; 2404 struct wpabuf *tmp = NULL; 2405 int ret; 2406 2407 if (wpabuf_len(data) < 4) 2408 return -1; 2409 2410 if (*wpabuf_head_u8(data) != 0x10) { 2411 /* Assume this contains full NDEF record */ 2412 tmp = ndef_parse_wifi(data); 2413 if (tmp == NULL) { 2414#ifdef CONFIG_P2P 2415 tmp = ndef_parse_p2p(data); 2416 if (tmp) { 2417 ret = wpas_p2p_nfc_tag_process(wpa_s, tmp, 2418 forced_freq); 2419 wpabuf_free(tmp); 2420 return ret; 2421 } 2422#endif /* CONFIG_P2P */ 2423 wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF"); 2424 return -1; 2425 } 2426 wps = tmp; 2427 } 2428 2429 ret = wpas_wps_nfc_tag_process(wpa_s, wps); 2430 wpabuf_free(tmp); 2431 return ret; 2432} 2433 2434 2435struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s, 2436 int ndef) 2437{ 2438 struct wpabuf *ret; 2439 2440 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL && 2441 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, 2442 &wpa_s->conf->wps_nfc_dh_privkey) < 0) 2443 return NULL; 2444 2445 ret = wps_build_nfc_handover_req(wpa_s->wps, 2446 wpa_s->conf->wps_nfc_dh_pubkey); 2447 2448 if (ndef && ret) { 2449 struct wpabuf *tmp; 2450 tmp = ndef_build_wifi(ret); 2451 wpabuf_free(ret); 2452 if (tmp == NULL) 2453 return NULL; 2454 ret = tmp; 2455 } 2456 2457 return ret; 2458} 2459 2460 2461#ifdef CONFIG_WPS_NFC 2462 2463static struct wpabuf * 2464wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s, int ndef, 2465 const char *uuid) 2466{ 2467#ifdef CONFIG_WPS_ER 2468 struct wpabuf *ret; 2469 u8 u[UUID_LEN], *use_uuid = NULL; 2470 u8 addr[ETH_ALEN], *use_addr = NULL; 2471 struct wps_context *wps = wpa_s->wps; 2472 2473 if (wps == NULL) 2474 return NULL; 2475 2476 if (uuid == NULL) 2477 return NULL; 2478 if (uuid_str2bin(uuid, u) == 0) 2479 use_uuid = u; 2480 else if (hwaddr_aton(uuid, addr) == 0) 2481 use_addr = addr; 2482 else 2483 return NULL; 2484 2485 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL) { 2486 if (wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, 2487 &wpa_s->conf->wps_nfc_dh_privkey) < 0) 2488 return NULL; 2489 } 2490 2491 wpas_wps_nfc_clear(wps); 2492 wps->ap_nfc_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER; 2493 wps->ap_nfc_dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); 2494 wps->ap_nfc_dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); 2495 if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey) { 2496 wpas_wps_nfc_clear(wps); 2497 return NULL; 2498 } 2499 2500 ret = wps_er_nfc_handover_sel(wpa_s->wps_er, wpa_s->wps, use_uuid, 2501 use_addr, wpa_s->conf->wps_nfc_dh_pubkey); 2502 if (ndef && ret) { 2503 struct wpabuf *tmp; 2504 tmp = ndef_build_wifi(ret); 2505 wpabuf_free(ret); 2506 if (tmp == NULL) 2507 return NULL; 2508 ret = tmp; 2509 } 2510 2511 return ret; 2512#else /* CONFIG_WPS_ER */ 2513 return NULL; 2514#endif /* CONFIG_WPS_ER */ 2515} 2516#endif /* CONFIG_WPS_NFC */ 2517 2518 2519struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s, 2520 int ndef, int cr, const char *uuid) 2521{ 2522 struct wpabuf *ret; 2523 if (!cr) 2524 return NULL; 2525 ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef); 2526 if (ret) 2527 return ret; 2528 return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid); 2529} 2530 2531 2532static int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s, 2533 const struct wpabuf *data) 2534{ 2535 struct wpabuf *wps; 2536 int ret = -1; 2537 u16 wsc_len; 2538 const u8 *pos; 2539 struct wpabuf msg; 2540 struct wps_parse_attr attr; 2541 u16 dev_pw_id; 2542 const u8 *bssid = NULL; 2543 int freq = 0; 2544 2545 wps = ndef_parse_wifi(data); 2546 if (wps == NULL) 2547 return -1; 2548 wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc " 2549 "payload from NFC connection handover"); 2550 wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps); 2551 if (wpabuf_len(wps) < 2) { 2552 wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Select " 2553 "Message"); 2554 goto out; 2555 } 2556 pos = wpabuf_head(wps); 2557 wsc_len = WPA_GET_BE16(pos); 2558 if (wsc_len > wpabuf_len(wps) - 2) { 2559 wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) " 2560 "in Wi-Fi Handover Select Message", wsc_len); 2561 goto out; 2562 } 2563 pos += 2; 2564 2565 wpa_hexdump(MSG_DEBUG, 2566 "WPS: WSC attributes in Wi-Fi Handover Select Message", 2567 pos, wsc_len); 2568 if (wsc_len < wpabuf_len(wps) - 2) { 2569 wpa_hexdump(MSG_DEBUG, 2570 "WPS: Ignore extra data after WSC attributes", 2571 pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len); 2572 } 2573 2574 wpabuf_set(&msg, pos, wsc_len); 2575 ret = wps_parse_msg(&msg, &attr); 2576 if (ret < 0) { 2577 wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in " 2578 "Wi-Fi Handover Select Message"); 2579 goto out; 2580 } 2581 2582 if (attr.oob_dev_password == NULL || 2583 attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) { 2584 wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password " 2585 "included in Wi-Fi Handover Select Message"); 2586 ret = -1; 2587 goto out; 2588 } 2589 2590 if (attr.ssid == NULL) { 2591 wpa_printf(MSG_DEBUG, "WPS: No SSID included in Wi-Fi Handover " 2592 "Select Message"); 2593 ret = -1; 2594 goto out; 2595 } 2596 2597 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", attr.ssid, attr.ssid_len); 2598 2599 if (attr.mac_addr) { 2600 bssid = attr.mac_addr; 2601 wpa_printf(MSG_DEBUG, "WPS: MAC Address (BSSID): " MACSTR, 2602 MAC2STR(bssid)); 2603 } 2604 2605 if (attr.rf_bands) 2606 wpa_printf(MSG_DEBUG, "WPS: RF Bands: %d", *attr.rf_bands); 2607 2608 if (attr.ap_channel) { 2609 u16 chan = WPA_GET_BE16(attr.ap_channel); 2610 2611 wpa_printf(MSG_DEBUG, "WPS: AP Channel: %d", chan); 2612 2613 if (chan >= 1 && chan <= 13 && 2614 (attr.rf_bands == NULL || *attr.rf_bands & WPS_RF_24GHZ)) 2615 freq = 2407 + 5 * chan; 2616 else if (chan == 14 && 2617 (attr.rf_bands == NULL || 2618 *attr.rf_bands & WPS_RF_24GHZ)) 2619 freq = 2484; 2620 else if (chan >= 30 && 2621 (attr.rf_bands == NULL || 2622 *attr.rf_bands & WPS_RF_50GHZ)) 2623 freq = 5000 + 5 * chan; 2624 else if (chan >= 1 && chan <= 4 && 2625 (attr.rf_bands == NULL || 2626 *attr.rf_bands & WPS_RF_60GHZ)) 2627 freq = 56160 + 2160 * chan; 2628 2629 if (freq) { 2630 wpa_printf(MSG_DEBUG, 2631 "WPS: AP indicated channel %u -> %u MHz", 2632 chan, freq); 2633 } 2634 } 2635 2636 wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password", 2637 attr.oob_dev_password, attr.oob_dev_password_len); 2638 dev_pw_id = WPA_GET_BE16(attr.oob_dev_password + 2639 WPS_OOB_PUBKEY_HASH_LEN); 2640 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) { 2641 wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID " 2642 "%u in Wi-Fi Handover Select Message", dev_pw_id); 2643 ret = -1; 2644 goto out; 2645 } 2646 wpa_hexdump(MSG_DEBUG, "WPS: AP Public Key hash", 2647 attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN); 2648 2649 ret = wpas_wps_start_nfc(wpa_s, NULL, bssid, NULL, dev_pw_id, 0, 2650 attr.oob_dev_password, 2651 attr.ssid, attr.ssid_len, freq); 2652 2653out: 2654 wpabuf_free(wps); 2655 return ret; 2656} 2657 2658 2659int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s, 2660 const struct wpabuf *req, 2661 const struct wpabuf *sel) 2662{ 2663 wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported"); 2664 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req); 2665 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel); 2666 return wpas_wps_nfc_rx_handover_sel(wpa_s, sel); 2667} 2668 2669 2670int wpas_er_wps_nfc_report_handover(struct wpa_supplicant *wpa_s, 2671 const struct wpabuf *req, 2672 const struct wpabuf *sel) 2673{ 2674 struct wpabuf *wps; 2675 int ret = -1; 2676 u16 wsc_len; 2677 const u8 *pos; 2678 struct wpabuf msg; 2679 struct wps_parse_attr attr; 2680 u16 dev_pw_id; 2681 2682 /* 2683 * Enrollee/station is always initiator of the NFC connection handover, 2684 * so use the request message here to find Enrollee public key hash. 2685 */ 2686 wps = ndef_parse_wifi(req); 2687 if (wps == NULL) 2688 return -1; 2689 wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc " 2690 "payload from NFC connection handover"); 2691 wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps); 2692 if (wpabuf_len(wps) < 2) { 2693 wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Request " 2694 "Message"); 2695 goto out; 2696 } 2697 pos = wpabuf_head(wps); 2698 wsc_len = WPA_GET_BE16(pos); 2699 if (wsc_len > wpabuf_len(wps) - 2) { 2700 wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) " 2701 "in rt Wi-Fi Handover Request Message", wsc_len); 2702 goto out; 2703 } 2704 pos += 2; 2705 2706 wpa_hexdump(MSG_DEBUG, 2707 "WPS: WSC attributes in Wi-Fi Handover Request Message", 2708 pos, wsc_len); 2709 if (wsc_len < wpabuf_len(wps) - 2) { 2710 wpa_hexdump(MSG_DEBUG, 2711 "WPS: Ignore extra data after WSC attributes", 2712 pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len); 2713 } 2714 2715 wpabuf_set(&msg, pos, wsc_len); 2716 ret = wps_parse_msg(&msg, &attr); 2717 if (ret < 0) { 2718 wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in " 2719 "Wi-Fi Handover Request Message"); 2720 goto out; 2721 } 2722 2723 if (attr.oob_dev_password == NULL || 2724 attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) { 2725 wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password " 2726 "included in Wi-Fi Handover Request Message"); 2727 ret = -1; 2728 goto out; 2729 } 2730 2731 if (attr.uuid_e == NULL) { 2732 wpa_printf(MSG_DEBUG, "WPS: No UUID-E included in Wi-Fi " 2733 "Handover Request Message"); 2734 ret = -1; 2735 goto out; 2736 } 2737 2738 wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", attr.uuid_e, WPS_UUID_LEN); 2739 2740 wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password", 2741 attr.oob_dev_password, attr.oob_dev_password_len); 2742 dev_pw_id = WPA_GET_BE16(attr.oob_dev_password + 2743 WPS_OOB_PUBKEY_HASH_LEN); 2744 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) { 2745 wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID " 2746 "%u in Wi-Fi Handover Request Message", dev_pw_id); 2747 ret = -1; 2748 goto out; 2749 } 2750 wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Public Key hash", 2751 attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN); 2752 2753 ret = wps_registrar_add_nfc_pw_token(wpa_s->wps->registrar, 2754 attr.oob_dev_password, 2755 DEV_PW_NFC_CONNECTION_HANDOVER, 2756 NULL, 0, 1); 2757 2758out: 2759 wpabuf_free(wps); 2760 return ret; 2761} 2762 2763#endif /* CONFIG_WPS_NFC */ 2764 2765 2766static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s) 2767{ 2768 size_t i; 2769 struct os_reltime now; 2770 2771 if (wpa_debug_level > MSG_DEBUG) 2772 return; 2773 2774 if (wpa_s->wps_ap == NULL) 2775 return; 2776 2777 os_get_reltime(&now); 2778 2779 for (i = 0; i < wpa_s->num_wps_ap; i++) { 2780 struct wps_ap_info *ap = &wpa_s->wps_ap[i]; 2781 struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid); 2782 2783 wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d " 2784 "tries=%d last_attempt=%d sec ago blacklist=%d", 2785 (int) i, MAC2STR(ap->bssid), ap->type, ap->tries, 2786 ap->last_attempt.sec > 0 ? 2787 (int) now.sec - (int) ap->last_attempt.sec : -1, 2788 e ? e->count : 0); 2789 } 2790} 2791 2792 2793static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s, 2794 const u8 *bssid) 2795{ 2796 size_t i; 2797 2798 if (wpa_s->wps_ap == NULL) 2799 return NULL; 2800 2801 for (i = 0; i < wpa_s->num_wps_ap; i++) { 2802 struct wps_ap_info *ap = &wpa_s->wps_ap[i]; 2803 if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0) 2804 return ap; 2805 } 2806 2807 return NULL; 2808} 2809 2810 2811static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s, 2812 struct wpa_scan_res *res) 2813{ 2814 struct wpabuf *wps; 2815 enum wps_ap_info_type type; 2816 struct wps_ap_info *ap; 2817 int r, pbc_active; 2818 const u8 *uuid; 2819 2820 if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL) 2821 return; 2822 2823 wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE); 2824 if (wps == NULL) 2825 return; 2826 2827 r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1); 2828 if (r == 2) 2829 type = WPS_AP_SEL_REG_OUR; 2830 else if (r == 1) 2831 type = WPS_AP_SEL_REG; 2832 else 2833 type = WPS_AP_NOT_SEL_REG; 2834 2835 uuid = wps_get_uuid_e(wps); 2836 pbc_active = wps_is_selected_pbc_registrar(wps); 2837 2838 ap = wpas_wps_get_ap_info(wpa_s, res->bssid); 2839 if (ap) { 2840 if (ap->type != type) { 2841 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR 2842 " changed type %d -> %d", 2843 MAC2STR(res->bssid), ap->type, type); 2844 ap->type = type; 2845 if (type != WPS_AP_NOT_SEL_REG) 2846 wpa_blacklist_del(wpa_s, ap->bssid); 2847 } 2848 ap->pbc_active = pbc_active; 2849 if (uuid) 2850 os_memcpy(ap->uuid, uuid, WPS_UUID_LEN); 2851 goto out; 2852 } 2853 2854 ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1, 2855 sizeof(struct wps_ap_info)); 2856 if (ap == NULL) 2857 goto out; 2858 2859 wpa_s->wps_ap = ap; 2860 ap = &wpa_s->wps_ap[wpa_s->num_wps_ap]; 2861 wpa_s->num_wps_ap++; 2862 2863 os_memset(ap, 0, sizeof(*ap)); 2864 os_memcpy(ap->bssid, res->bssid, ETH_ALEN); 2865 ap->type = type; 2866 ap->pbc_active = pbc_active; 2867 if (uuid) 2868 os_memcpy(ap->uuid, uuid, WPS_UUID_LEN); 2869 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added", 2870 MAC2STR(ap->bssid), ap->type); 2871 2872out: 2873 wpabuf_free(wps); 2874} 2875 2876 2877void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s, 2878 struct wpa_scan_results *scan_res) 2879{ 2880 size_t i; 2881 2882 for (i = 0; i < scan_res->num; i++) 2883 wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]); 2884 2885 wpas_wps_dump_ap_info(wpa_s); 2886} 2887 2888 2889void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid) 2890{ 2891 struct wps_ap_info *ap; 2892 2893 wpa_s->after_wps = 0; 2894 2895 if (!wpa_s->wps_ap_iter) 2896 return; 2897 ap = wpas_wps_get_ap_info(wpa_s, bssid); 2898 if (ap == NULL) 2899 return; 2900 ap->tries++; 2901 os_get_reltime(&ap->last_attempt); 2902} 2903