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