events.c revision 1.7
1/*
2 * WPA Supplicant - Driver event processing
3 * Copyright (c) 2003-2017, 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 "eapol_supp/eapol_supp_sm.h"
13#include "rsn_supp/wpa.h"
14#include "eloop.h"
15#include "config.h"
16#include "l2_packet/l2_packet.h"
17#include "wpa_supplicant_i.h"
18#include "driver_i.h"
19#include "pcsc_funcs.h"
20#include "rsn_supp/preauth.h"
21#include "rsn_supp/pmksa_cache.h"
22#include "common/wpa_ctrl.h"
23#include "eap_peer/eap.h"
24#include "ap/hostapd.h"
25#include "p2p/p2p.h"
26#include "fst/fst.h"
27#include "wnm_sta.h"
28#include "notify.h"
29#include "common/ieee802_11_defs.h"
30#include "common/ieee802_11_common.h"
31#include "common/gas_server.h"
32#include "crypto/random.h"
33#include "blacklist.h"
34#include "wpas_glue.h"
35#include "wps_supplicant.h"
36#include "ibss_rsn.h"
37#include "sme.h"
38#include "gas_query.h"
39#include "p2p_supplicant.h"
40#include "bgscan.h"
41#include "autoscan.h"
42#include "ap.h"
43#include "bss.h"
44#include "scan.h"
45#include "offchannel.h"
46#include "interworking.h"
47#include "mesh.h"
48#include "mesh_mpm.h"
49#include "wmm_ac.h"
50#include "dpp_supplicant.h"
51
52
53#define MAX_OWE_TRANSITION_BSS_SELECT_COUNT 5
54
55
56#ifndef CONFIG_NO_SCAN_PROCESSING
57static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
58					      int new_scan, int own_request);
59#endif /* CONFIG_NO_SCAN_PROCESSING */
60
61
62int wpas_temp_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
63{
64	struct os_reltime now;
65
66	if (ssid == NULL || ssid->disabled_until.sec == 0)
67		return 0;
68
69	os_get_reltime(&now);
70	if (ssid->disabled_until.sec > now.sec)
71		return ssid->disabled_until.sec - now.sec;
72
73	wpas_clear_temp_disabled(wpa_s, ssid, 0);
74
75	return 0;
76}
77
78
79#ifndef CONFIG_NO_SCAN_PROCESSING
80/**
81 * wpas_reenabled_network_time - Time until first network is re-enabled
82 * @wpa_s: Pointer to wpa_supplicant data
83 * Returns: If all enabled networks are temporarily disabled, returns the time
84 *	(in sec) until the first network is re-enabled. Otherwise returns 0.
85 *
86 * This function is used in case all enabled networks are temporarily disabled,
87 * in which case it returns the time (in sec) that the first network will be
88 * re-enabled. The function assumes that at least one network is enabled.
89 */
90static int wpas_reenabled_network_time(struct wpa_supplicant *wpa_s)
91{
92	struct wpa_ssid *ssid;
93	int disabled_for, res = 0;
94
95#ifdef CONFIG_INTERWORKING
96	if (wpa_s->conf->auto_interworking && wpa_s->conf->interworking &&
97	    wpa_s->conf->cred)
98		return 0;
99#endif /* CONFIG_INTERWORKING */
100
101	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
102		if (ssid->disabled)
103			continue;
104
105		disabled_for = wpas_temp_disabled(wpa_s, ssid);
106		if (!disabled_for)
107			return 0;
108
109		if (!res || disabled_for < res)
110			res = disabled_for;
111	}
112
113	return res;
114}
115#endif /* CONFIG_NO_SCAN_PROCESSING */
116
117
118void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx)
119{
120	struct wpa_supplicant *wpa_s = eloop_ctx;
121
122	if (wpa_s->disconnected || wpa_s->wpa_state != WPA_SCANNING)
123		return;
124
125	wpa_dbg(wpa_s, MSG_DEBUG,
126		"Try to associate due to network getting re-enabled");
127	if (wpa_supplicant_fast_associate(wpa_s) != 1) {
128		wpa_supplicant_cancel_sched_scan(wpa_s);
129		wpa_supplicant_req_scan(wpa_s, 0, 0);
130	}
131}
132
133
134static struct wpa_bss * wpa_supplicant_get_new_bss(
135	struct wpa_supplicant *wpa_s, const u8 *bssid)
136{
137	struct wpa_bss *bss = NULL;
138	struct wpa_ssid *ssid = wpa_s->current_ssid;
139
140	if (ssid->ssid_len > 0)
141		bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
142	if (!bss)
143		bss = wpa_bss_get_bssid(wpa_s, bssid);
144
145	return bss;
146}
147
148
149static void wpa_supplicant_update_current_bss(struct wpa_supplicant *wpa_s)
150{
151	struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
152
153	if (!bss) {
154		wpa_supplicant_update_scan_results(wpa_s);
155
156		/* Get the BSS from the new scan results */
157		bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid);
158	}
159
160	if (bss)
161		wpa_s->current_bss = bss;
162}
163
164
165static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
166{
167	struct wpa_ssid *ssid, *old_ssid;
168	u8 drv_ssid[SSID_MAX_LEN];
169	size_t drv_ssid_len;
170	int res;
171
172	if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) {
173		wpa_supplicant_update_current_bss(wpa_s);
174
175		if (wpa_s->current_ssid->ssid_len == 0)
176			return 0; /* current profile still in use */
177		res = wpa_drv_get_ssid(wpa_s, drv_ssid);
178		if (res < 0) {
179			wpa_msg(wpa_s, MSG_INFO,
180				"Failed to read SSID from driver");
181			return 0; /* try to use current profile */
182		}
183		drv_ssid_len = res;
184
185		if (drv_ssid_len == wpa_s->current_ssid->ssid_len &&
186		    os_memcmp(drv_ssid, wpa_s->current_ssid->ssid,
187			      drv_ssid_len) == 0)
188			return 0; /* current profile still in use */
189
190		wpa_msg(wpa_s, MSG_DEBUG,
191			"Driver-initiated BSS selection changed the SSID to %s",
192			wpa_ssid_txt(drv_ssid, drv_ssid_len));
193		/* continue selecting a new network profile */
194	}
195
196	wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association "
197		"information");
198	ssid = wpa_supplicant_get_ssid(wpa_s);
199	if (ssid == NULL) {
200		wpa_msg(wpa_s, MSG_INFO,
201			"No network configuration found for the current AP");
202		return -1;
203	}
204
205	if (wpas_network_disabled(wpa_s, ssid)) {
206		wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled");
207		return -1;
208	}
209
210	if (disallowed_bssid(wpa_s, wpa_s->bssid) ||
211	    disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) {
212		wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed");
213		return -1;
214	}
215
216	res = wpas_temp_disabled(wpa_s, ssid);
217	if (res > 0) {
218		wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily "
219			"disabled for %d second(s)", res);
220		return -1;
221	}
222
223	wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
224		"current AP");
225	if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
226		u8 wpa_ie[80];
227		size_t wpa_ie_len = sizeof(wpa_ie);
228		if (wpa_supplicant_set_suites(wpa_s, NULL, ssid,
229					      wpa_ie, &wpa_ie_len) < 0)
230			wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites");
231	} else {
232		wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
233	}
234
235	if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
236		eapol_sm_invalidate_cached_session(wpa_s->eapol);
237	old_ssid = wpa_s->current_ssid;
238	wpa_s->current_ssid = ssid;
239
240	wpa_supplicant_update_current_bss(wpa_s);
241
242	wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
243	wpa_supplicant_initiate_eapol(wpa_s);
244	if (old_ssid != wpa_s->current_ssid)
245		wpas_notify_network_changed(wpa_s);
246
247	return 0;
248}
249
250
251void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
252{
253	struct wpa_supplicant *wpa_s = eloop_ctx;
254
255	if (wpa_s->countermeasures) {
256		wpa_s->countermeasures = 0;
257		wpa_drv_set_countermeasures(wpa_s, 0);
258		wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");
259
260		/*
261		 * It is possible that the device is sched scanning, which means
262		 * that a connection attempt will be done only when we receive
263		 * scan results. However, in this case, it would be preferable
264		 * to scan and connect immediately, so cancel the sched_scan and
265		 * issue a regular scan flow.
266		 */
267		wpa_supplicant_cancel_sched_scan(wpa_s);
268		wpa_supplicant_req_scan(wpa_s, 0, 0);
269	}
270}
271
272
273void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
274{
275	int bssid_changed;
276
277	wnm_bss_keep_alive_deinit(wpa_s);
278
279#ifdef CONFIG_IBSS_RSN
280	ibss_rsn_deinit(wpa_s->ibss_rsn);
281	wpa_s->ibss_rsn = NULL;
282#endif /* CONFIG_IBSS_RSN */
283
284#ifdef CONFIG_AP
285	wpa_supplicant_ap_deinit(wpa_s);
286#endif /* CONFIG_AP */
287
288#ifdef CONFIG_HS20
289	/* Clear possibly configured frame filters */
290	wpa_drv_configure_frame_filters(wpa_s, 0);
291#endif /* CONFIG_HS20 */
292
293	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
294		return;
295
296	wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
297	bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
298	os_memset(wpa_s->bssid, 0, ETH_ALEN);
299	os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
300	sme_clear_on_disassoc(wpa_s);
301	wpa_s->current_bss = NULL;
302	wpa_s->assoc_freq = 0;
303
304	if (bssid_changed)
305		wpas_notify_bssid_changed(wpa_s);
306
307	eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
308	eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
309	if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
310	    wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
311	    wpa_s->key_mgmt == WPA_KEY_MGMT_DPP)
312		eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
313	wpa_s->ap_ies_from_associnfo = 0;
314	wpa_s->current_ssid = NULL;
315	eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
316	wpa_s->key_mgmt = 0;
317
318	wpas_rrm_reset(wpa_s);
319	wpa_s->wnmsleep_used = 0;
320	wnm_clear_coloc_intf_reporting(wpa_s);
321
322#ifdef CONFIG_TESTING_OPTIONS
323	wpa_s->last_tk_alg = WPA_ALG_NONE;
324	os_memset(wpa_s->last_tk, 0, sizeof(wpa_s->last_tk));
325#endif /* CONFIG_TESTING_OPTIONS */
326	wpa_s->ieee80211ac = 0;
327}
328
329
330static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
331{
332	struct wpa_ie_data ie;
333	int pmksa_set = -1;
334	size_t i;
335
336	if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
337	    ie.pmkid == NULL)
338		return;
339
340	for (i = 0; i < ie.num_pmkid; i++) {
341		pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
342						    ie.pmkid + i * PMKID_LEN,
343						    NULL, NULL, 0, NULL, 0);
344		if (pmksa_set == 0) {
345			eapol_sm_notify_pmkid_attempt(wpa_s->eapol);
346			break;
347		}
348	}
349
350	wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
351		"PMKSA cache", pmksa_set == 0 ? "" : "not ");
352}
353
354
355static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
356						 union wpa_event_data *data)
357{
358	if (data == NULL) {
359		wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
360			"event");
361		return;
362	}
363	wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
364		" index=%d preauth=%d",
365		MAC2STR(data->pmkid_candidate.bssid),
366		data->pmkid_candidate.index,
367		data->pmkid_candidate.preauth);
368
369	pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
370			    data->pmkid_candidate.index,
371			    data->pmkid_candidate.preauth);
372}
373
374
375static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
376{
377	if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
378	    wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
379		return 0;
380
381#ifdef IEEE8021X_EAPOL
382	if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
383	    wpa_s->current_ssid &&
384	    !(wpa_s->current_ssid->eapol_flags &
385	      (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
386	       EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
387		/* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
388		 * plaintext or static WEP keys). */
389		return 0;
390	}
391#endif /* IEEE8021X_EAPOL */
392
393	return 1;
394}
395
396
397/**
398 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
399 * @wpa_s: pointer to wpa_supplicant data
400 * @ssid: Configuration data for the network
401 * Returns: 0 on success, -1 on failure
402 *
403 * This function is called when starting authentication with a network that is
404 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
405 */
406int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
407			      struct wpa_ssid *ssid)
408{
409#ifdef IEEE8021X_EAPOL
410#ifdef PCSC_FUNCS
411	int aka = 0, sim = 0;
412
413	if ((ssid != NULL && ssid->eap.pcsc == NULL) ||
414	    wpa_s->scard != NULL || wpa_s->conf->external_sim)
415		return 0;
416
417	if (ssid == NULL || ssid->eap.eap_methods == NULL) {
418		sim = 1;
419		aka = 1;
420	} else {
421		struct eap_method_type *eap = ssid->eap.eap_methods;
422		while (eap->vendor != EAP_VENDOR_IETF ||
423		       eap->method != EAP_TYPE_NONE) {
424			if (eap->vendor == EAP_VENDOR_IETF) {
425				if (eap->method == EAP_TYPE_SIM)
426					sim = 1;
427				else if (eap->method == EAP_TYPE_AKA ||
428					 eap->method == EAP_TYPE_AKA_PRIME)
429					aka = 1;
430			}
431			eap++;
432		}
433	}
434
435	if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
436		sim = 0;
437	if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
438	    eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
439	    NULL)
440		aka = 0;
441
442	if (!sim && !aka) {
443		wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
444			"use SIM, but neither EAP-SIM nor EAP-AKA are "
445			"enabled");
446		return 0;
447	}
448
449	wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
450		"(sim=%d aka=%d) - initialize PCSC", sim, aka);
451
452	wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader);
453	if (wpa_s->scard == NULL) {
454		wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
455			"(pcsc-lite)");
456		return -1;
457	}
458	wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
459	eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
460#endif /* PCSC_FUNCS */
461#endif /* IEEE8021X_EAPOL */
462
463	return 0;
464}
465
466
467#ifndef CONFIG_NO_SCAN_PROCESSING
468
469static int has_wep_key(struct wpa_ssid *ssid)
470{
471	int i;
472
473	for (i = 0; i < NUM_WEP_KEYS; i++) {
474		if (ssid->wep_key_len[i])
475			return 1;
476	}
477
478	return 0;
479}
480
481
482static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
483					struct wpa_ssid *ssid)
484{
485	int privacy = 0;
486
487	if (ssid->mixed_cell)
488		return 1;
489
490#ifdef CONFIG_WPS
491	if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
492		return 1;
493#endif /* CONFIG_WPS */
494
495#ifdef CONFIG_OWE
496	if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only)
497		return 1;
498#endif /* CONFIG_OWE */
499
500	if (has_wep_key(ssid))
501		privacy = 1;
502
503#ifdef IEEE8021X_EAPOL
504	if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
505	    ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
506				 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
507		privacy = 1;
508#endif /* IEEE8021X_EAPOL */
509
510	if (wpa_key_mgmt_wpa(ssid->key_mgmt))
511		privacy = 1;
512
513	if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN)
514		privacy = 1;
515
516	if (bss->caps & IEEE80211_CAP_PRIVACY)
517		return privacy;
518	return !privacy;
519}
520
521
522static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
523					 struct wpa_ssid *ssid,
524					 struct wpa_bss *bss, int debug_print)
525{
526	struct wpa_ie_data ie;
527	int proto_match = 0;
528	const u8 *rsn_ie, *wpa_ie;
529	int ret;
530	int wep_ok;
531
532	ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
533	if (ret >= 0)
534		return ret;
535
536	/* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
537	wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
538		(((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
539		  ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
540		 (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
541
542	rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
543	while ((ssid->proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN)) && rsn_ie) {
544		proto_match++;
545
546		if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
547			if (debug_print)
548				wpa_dbg(wpa_s, MSG_DEBUG,
549					"   skip RSN IE - parse failed");
550			break;
551		}
552
553		if (wep_ok &&
554		    (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
555		{
556			if (debug_print)
557				wpa_dbg(wpa_s, MSG_DEBUG,
558					"   selected based on TSN in RSN IE");
559			return 1;
560		}
561
562		if (!(ie.proto & ssid->proto) &&
563		    !(ssid->proto & WPA_PROTO_OSEN)) {
564			if (debug_print)
565				wpa_dbg(wpa_s, MSG_DEBUG,
566					"   skip RSN IE - proto mismatch");
567			break;
568		}
569
570		if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
571			if (debug_print)
572				wpa_dbg(wpa_s, MSG_DEBUG,
573					"   skip RSN IE - PTK cipher mismatch");
574			break;
575		}
576
577		if (!(ie.group_cipher & ssid->group_cipher)) {
578			if (debug_print)
579				wpa_dbg(wpa_s, MSG_DEBUG,
580					"   skip RSN IE - GTK cipher mismatch");
581			break;
582		}
583
584		if (ssid->group_mgmt_cipher &&
585		    !(ie.mgmt_group_cipher & ssid->group_mgmt_cipher)) {
586			if (debug_print)
587				wpa_dbg(wpa_s, MSG_DEBUG,
588					"   skip RSN IE - group mgmt cipher mismatch");
589			break;
590		}
591
592		if (!(ie.key_mgmt & ssid->key_mgmt)) {
593			if (debug_print)
594				wpa_dbg(wpa_s, MSG_DEBUG,
595					"   skip RSN IE - key mgmt mismatch");
596			break;
597		}
598
599#ifdef CONFIG_IEEE80211W
600		if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
601		    wpas_get_ssid_pmf(wpa_s, ssid) ==
602		    MGMT_FRAME_PROTECTION_REQUIRED) {
603			if (debug_print)
604				wpa_dbg(wpa_s, MSG_DEBUG,
605					"   skip RSN IE - no mgmt frame protection");
606			break;
607		}
608#endif /* CONFIG_IEEE80211W */
609		if ((ie.capabilities & WPA_CAPABILITY_MFPR) &&
610		    wpas_get_ssid_pmf(wpa_s, ssid) ==
611		    NO_MGMT_FRAME_PROTECTION) {
612			if (debug_print)
613				wpa_dbg(wpa_s, MSG_DEBUG,
614					"   skip RSN IE - no mgmt frame protection enabled but AP requires it");
615			break;
616		}
617#ifdef CONFIG_MBO
618		if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
619		    wpas_mbo_get_bss_attr(bss, MBO_ATTR_ID_AP_CAPA_IND) &&
620		    wpas_get_ssid_pmf(wpa_s, ssid) !=
621		    NO_MGMT_FRAME_PROTECTION) {
622			if (debug_print)
623				wpa_dbg(wpa_s, MSG_DEBUG,
624					"   skip RSN IE - no mgmt frame protection enabled on MBO AP");
625			break;
626		}
627#endif /* CONFIG_MBO */
628
629		if (debug_print)
630			wpa_dbg(wpa_s, MSG_DEBUG,
631				"   selected based on RSN IE");
632		return 1;
633	}
634
635#ifdef CONFIG_IEEE80211W
636	if (wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED &&
637	    (!(ssid->key_mgmt & WPA_KEY_MGMT_OWE) || ssid->owe_only)) {
638		if (debug_print)
639			wpa_dbg(wpa_s, MSG_DEBUG,
640				"   skip - MFP Required but network not MFP Capable");
641		return 0;
642	}
643#endif /* CONFIG_IEEE80211W */
644
645	wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
646	while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
647		proto_match++;
648
649		if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
650			if (debug_print)
651				wpa_dbg(wpa_s, MSG_DEBUG,
652					"   skip WPA IE - parse failed");
653			break;
654		}
655
656		if (wep_ok &&
657		    (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
658		{
659			if (debug_print)
660				wpa_dbg(wpa_s, MSG_DEBUG,
661					"   selected based on TSN in WPA IE");
662			return 1;
663		}
664
665		if (!(ie.proto & ssid->proto)) {
666			if (debug_print)
667				wpa_dbg(wpa_s, MSG_DEBUG,
668					"   skip WPA IE - proto mismatch");
669			break;
670		}
671
672		if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
673			if (debug_print)
674				wpa_dbg(wpa_s, MSG_DEBUG,
675					"   skip WPA IE - PTK cipher mismatch");
676			break;
677		}
678
679		if (!(ie.group_cipher & ssid->group_cipher)) {
680			if (debug_print)
681				wpa_dbg(wpa_s, MSG_DEBUG,
682					"   skip WPA IE - GTK cipher mismatch");
683			break;
684		}
685
686		if (!(ie.key_mgmt & ssid->key_mgmt)) {
687			if (debug_print)
688				wpa_dbg(wpa_s, MSG_DEBUG,
689					"   skip WPA IE - key mgmt mismatch");
690			break;
691		}
692
693		if (debug_print)
694			wpa_dbg(wpa_s, MSG_DEBUG,
695				"   selected based on WPA IE");
696		return 1;
697	}
698
699	if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
700	    !rsn_ie) {
701		if (debug_print)
702			wpa_dbg(wpa_s, MSG_DEBUG,
703				"   allow for non-WPA IEEE 802.1X");
704		return 1;
705	}
706
707#ifdef CONFIG_OWE
708	if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only &&
709	    !wpa_ie && !rsn_ie) {
710		if (wpa_s->owe_transition_select &&
711		    wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE) &&
712		    ssid->owe_transition_bss_select_count + 1 <=
713		    MAX_OWE_TRANSITION_BSS_SELECT_COUNT) {
714			ssid->owe_transition_bss_select_count++;
715			if (debug_print)
716				wpa_dbg(wpa_s, MSG_DEBUG,
717					"   skip OWE transition BSS (selection count %d does not exceed %d)",
718					ssid->owe_transition_bss_select_count,
719					MAX_OWE_TRANSITION_BSS_SELECT_COUNT);
720			wpa_s->owe_transition_search = 1;
721			return 0;
722		}
723		if (debug_print)
724			wpa_dbg(wpa_s, MSG_DEBUG,
725				"   allow in OWE transition mode");
726		return 1;
727	}
728#endif /* CONFIG_OWE */
729
730	if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
731	    wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
732		if (debug_print)
733			wpa_dbg(wpa_s, MSG_DEBUG,
734				"   skip - no WPA/RSN proto match");
735		return 0;
736	}
737
738	if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) &&
739	    wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE)) {
740		if (debug_print)
741			wpa_dbg(wpa_s, MSG_DEBUG, "   allow in OSEN");
742		return 1;
743	}
744
745	if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
746		if (debug_print)
747			wpa_dbg(wpa_s, MSG_DEBUG, "   allow in non-WPA/WPA2");
748		return 1;
749	}
750
751	if (debug_print)
752		wpa_dbg(wpa_s, MSG_DEBUG,
753			"   reject due to mismatch with WPA/WPA2");
754
755	return 0;
756}
757
758
759static int freq_allowed(int *freqs, int freq)
760{
761	int i;
762
763	if (freqs == NULL)
764		return 1;
765
766	for (i = 0; freqs[i]; i++)
767		if (freqs[i] == freq)
768			return 1;
769	return 0;
770}
771
772
773static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
774		      int debug_print)
775{
776	const struct hostapd_hw_modes *mode = NULL, *modes;
777	const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
778	const u8 *rate_ie;
779	int i, j, k;
780
781	if (bss->freq == 0)
782		return 1; /* Cannot do matching without knowing band */
783
784	modes = wpa_s->hw.modes;
785	if (modes == NULL) {
786		/*
787		 * The driver does not provide any additional information
788		 * about the utilized hardware, so allow the connection attempt
789		 * to continue.
790		 */
791		return 1;
792	}
793
794	for (i = 0; i < wpa_s->hw.num_modes; i++) {
795		for (j = 0; j < modes[i].num_channels; j++) {
796			int freq = modes[i].channels[j].freq;
797			if (freq == bss->freq) {
798				if (mode &&
799				    mode->mode == HOSTAPD_MODE_IEEE80211G)
800					break; /* do not allow 802.11b replace
801						* 802.11g */
802				mode = &modes[i];
803				break;
804			}
805		}
806	}
807
808	if (mode == NULL)
809		return 0;
810
811	for (i = 0; i < (int) sizeof(scan_ie); i++) {
812		rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
813		if (rate_ie == NULL)
814			continue;
815
816		for (j = 2; j < rate_ie[1] + 2; j++) {
817			int flagged = !!(rate_ie[j] & 0x80);
818			int r = (rate_ie[j] & 0x7f) * 5;
819
820			/*
821			 * IEEE Std 802.11n-2009 7.3.2.2:
822			 * The new BSS Membership selector value is encoded
823			 * like a legacy basic rate, but it is not a rate and
824			 * only indicates if the BSS members are required to
825			 * support the mandatory features of Clause 20 [HT PHY]
826			 * in order to join the BSS.
827			 */
828			if (flagged && ((rate_ie[j] & 0x7f) ==
829					BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
830				if (!ht_supported(mode)) {
831					if (debug_print)
832						wpa_dbg(wpa_s, MSG_DEBUG,
833							"   hardware does not support HT PHY");
834					return 0;
835				}
836				continue;
837			}
838
839			/* There's also a VHT selector for 802.11ac */
840			if (flagged && ((rate_ie[j] & 0x7f) ==
841					BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) {
842				if (!vht_supported(mode)) {
843					if (debug_print)
844						wpa_dbg(wpa_s, MSG_DEBUG,
845							"   hardware does not support VHT PHY");
846					return 0;
847				}
848				continue;
849			}
850
851			if (!flagged)
852				continue;
853
854			/* check for legacy basic rates */
855			for (k = 0; k < mode->num_rates; k++) {
856				if (mode->rates[k] == r)
857					break;
858			}
859			if (k == mode->num_rates) {
860				/*
861				 * IEEE Std 802.11-2007 7.3.2.2 demands that in
862				 * order to join a BSS all required rates
863				 * have to be supported by the hardware.
864				 */
865				if (debug_print)
866					wpa_dbg(wpa_s, MSG_DEBUG,
867						"   hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)",
868						r / 10, r % 10,
869						bss->freq, mode->mode, mode->num_rates);
870				return 0;
871			}
872		}
873	}
874
875	return 1;
876}
877
878
879/*
880 * Test whether BSS is in an ESS.
881 * This is done differently in DMG (60 GHz) and non-DMG bands
882 */
883static int bss_is_ess(struct wpa_bss *bss)
884{
885	if (bss_is_dmg(bss)) {
886		return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
887			IEEE80211_CAP_DMG_AP;
888	}
889
890	return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
891		IEEE80211_CAP_ESS);
892}
893
894
895static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask)
896{
897	size_t i;
898
899	for (i = 0; i < ETH_ALEN; i++) {
900		if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i]))
901			return 0;
902	}
903	return 1;
904}
905
906
907static int addr_in_list(const u8 *addr, const u8 *list, size_t num)
908{
909	size_t i;
910
911	for (i = 0; i < num; i++) {
912		const u8 *a = list + i * ETH_ALEN * 2;
913		const u8 *m = a + ETH_ALEN;
914
915		if (match_mac_mask(a, addr, m))
916			return 1;
917	}
918	return 0;
919}
920
921
922static void owe_trans_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
923			   const u8 **ret_ssid, size_t *ret_ssid_len)
924{
925#ifdef CONFIG_OWE
926	const u8 *owe, *pos, *end, *bssid;
927	u8 ssid_len;
928	struct wpa_bss *open_bss;
929
930	owe = wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE);
931	if (!owe || !wpa_bss_get_ie(bss, WLAN_EID_RSN))
932		return;
933
934	pos = owe + 6;
935	end = owe + 2 + owe[1];
936
937	if (end - pos < ETH_ALEN + 1)
938		return;
939	bssid = pos;
940	pos += ETH_ALEN;
941	ssid_len = *pos++;
942	if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN)
943		return;
944
945	/* Match the profile SSID against the OWE transition mode SSID on the
946	 * open network. */
947	wpa_dbg(wpa_s, MSG_DEBUG, "OWE: transition mode BSSID: " MACSTR
948		" SSID: %s", MAC2STR(bssid), wpa_ssid_txt(pos, ssid_len));
949	*ret_ssid = pos;
950	*ret_ssid_len = ssid_len;
951
952	if (bss->ssid_len > 0)
953		return;
954
955	open_bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
956	if (!open_bss)
957		return;
958	if (ssid_len != open_bss->ssid_len ||
959	    os_memcmp(pos, open_bss->ssid, ssid_len) != 0) {
960		wpa_dbg(wpa_s, MSG_DEBUG,
961			"OWE: transition mode SSID mismatch: %s",
962			wpa_ssid_txt(open_bss->ssid, open_bss->ssid_len));
963		return;
964	}
965
966	owe = wpa_bss_get_vendor_ie(open_bss, OWE_IE_VENDOR_TYPE);
967	if (!owe || wpa_bss_get_ie(open_bss, WLAN_EID_RSN)) {
968		wpa_dbg(wpa_s, MSG_DEBUG,
969			"OWE: transition mode open BSS unexpected info");
970		return;
971	}
972
973	pos = owe + 6;
974	end = owe + 2 + owe[1];
975
976	if (end - pos < ETH_ALEN + 1)
977		return;
978	if (os_memcmp(pos, bss->bssid, ETH_ALEN) != 0) {
979		wpa_dbg(wpa_s, MSG_DEBUG,
980			"OWE: transition mode BSSID mismatch: " MACSTR,
981			MAC2STR(pos));
982		return;
983	}
984	pos += ETH_ALEN;
985	ssid_len = *pos++;
986	if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN)
987		return;
988	wpa_dbg(wpa_s, MSG_DEBUG, "OWE: learned transition mode OWE SSID: %s",
989		wpa_ssid_txt(pos, ssid_len));
990	os_memcpy(bss->ssid, pos, ssid_len);
991	bss->ssid_len = ssid_len;
992#endif /* CONFIG_OWE */
993}
994
995
996struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
997				     int i, struct wpa_bss *bss,
998				     struct wpa_ssid *group,
999				     int only_first_ssid, int debug_print)
1000{
1001	u8 wpa_ie_len, rsn_ie_len;
1002	int wpa;
1003	struct wpa_blacklist *e;
1004	const u8 *ie;
1005	struct wpa_ssid *ssid;
1006	int osen, rsn_osen = 0;
1007#ifdef CONFIG_MBO
1008	const u8 *assoc_disallow;
1009#endif /* CONFIG_MBO */
1010	const u8 *match_ssid;
1011	size_t match_ssid_len;
1012	struct wpa_ie_data data;
1013
1014	ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1015	wpa_ie_len = ie ? ie[1] : 0;
1016
1017	ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1018	rsn_ie_len = ie ? ie[1] : 0;
1019	if (ie && wpa_parse_wpa_ie_rsn(ie, 2 + ie[1], &data) == 0 &&
1020	    (data.key_mgmt & WPA_KEY_MGMT_OSEN))
1021		rsn_osen = 1;
1022
1023	ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
1024	osen = ie != NULL;
1025
1026	if (debug_print) {
1027		wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR
1028			" ssid='%s' wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s%s",
1029			i, MAC2STR(bss->bssid),
1030			wpa_ssid_txt(bss->ssid, bss->ssid_len),
1031			wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
1032			bss->freq,
1033			wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ?
1034			" wps" : "",
1035			(wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
1036			 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE))
1037			? " p2p" : "",
1038			osen ? " osen=1" : "");
1039	}
1040
1041	e = wpa_blacklist_get(wpa_s, bss->bssid);
1042	if (e) {
1043		int limit = 1;
1044		if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
1045			/*
1046			 * When only a single network is enabled, we can
1047			 * trigger blacklisting on the first failure. This
1048			 * should not be done with multiple enabled networks to
1049			 * avoid getting forced to move into a worse ESS on
1050			 * single error if there are no other BSSes of the
1051			 * current ESS.
1052			 */
1053			limit = 0;
1054		}
1055		if (e->count > limit) {
1056			if (debug_print) {
1057				wpa_dbg(wpa_s, MSG_DEBUG,
1058					"   skip - blacklisted (count=%d limit=%d)",
1059					e->count, limit);
1060			}
1061			return NULL;
1062		}
1063	}
1064
1065	match_ssid = bss->ssid;
1066	match_ssid_len = bss->ssid_len;
1067	owe_trans_ssid(wpa_s, bss, &match_ssid, &match_ssid_len);
1068
1069	if (match_ssid_len == 0) {
1070		if (debug_print)
1071			wpa_dbg(wpa_s, MSG_DEBUG, "   skip - SSID not known");
1072		return NULL;
1073	}
1074
1075	if (disallowed_bssid(wpa_s, bss->bssid)) {
1076		if (debug_print)
1077			wpa_dbg(wpa_s, MSG_DEBUG, "   skip - BSSID disallowed");
1078		return NULL;
1079	}
1080
1081	if (disallowed_ssid(wpa_s, match_ssid, match_ssid_len)) {
1082		if (debug_print)
1083			wpa_dbg(wpa_s, MSG_DEBUG, "   skip - SSID disallowed");
1084		return NULL;
1085	}
1086
1087	wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
1088
1089	for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) {
1090		int check_ssid = wpa ? 1 : (ssid->ssid_len != 0);
1091		int res;
1092
1093		if (wpas_network_disabled(wpa_s, ssid)) {
1094			if (debug_print)
1095				wpa_dbg(wpa_s, MSG_DEBUG, "   skip - disabled");
1096			continue;
1097		}
1098
1099		res = wpas_temp_disabled(wpa_s, ssid);
1100		if (res > 0) {
1101			if (debug_print)
1102				wpa_dbg(wpa_s, MSG_DEBUG,
1103					"   skip - disabled temporarily for %d second(s)",
1104					res);
1105			continue;
1106		}
1107
1108#ifdef CONFIG_WPS
1109		if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) {
1110			if (debug_print)
1111				wpa_dbg(wpa_s, MSG_DEBUG,
1112					"   skip - blacklisted (WPS)");
1113			continue;
1114		}
1115
1116		if (wpa && ssid->ssid_len == 0 &&
1117		    wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
1118			check_ssid = 0;
1119
1120		if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
1121			/* Only allow wildcard SSID match if an AP
1122			 * advertises active WPS operation that matches
1123			 * with our mode. */
1124			check_ssid = 1;
1125			if (ssid->ssid_len == 0 &&
1126			    wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
1127				check_ssid = 0;
1128		}
1129#endif /* CONFIG_WPS */
1130
1131		if (ssid->bssid_set && ssid->ssid_len == 0 &&
1132		    os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
1133			check_ssid = 0;
1134
1135		if (check_ssid &&
1136		    (match_ssid_len != ssid->ssid_len ||
1137		     os_memcmp(match_ssid, ssid->ssid, match_ssid_len) != 0)) {
1138			if (debug_print)
1139				wpa_dbg(wpa_s, MSG_DEBUG,
1140					"   skip - SSID mismatch");
1141			continue;
1142		}
1143
1144		if (ssid->bssid_set &&
1145		    os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) {
1146			if (debug_print)
1147				wpa_dbg(wpa_s, MSG_DEBUG,
1148					"   skip - BSSID mismatch");
1149			continue;
1150		}
1151
1152		/* check blacklist */
1153		if (ssid->num_bssid_blacklist &&
1154		    addr_in_list(bss->bssid, ssid->bssid_blacklist,
1155				 ssid->num_bssid_blacklist)) {
1156			if (debug_print)
1157				wpa_dbg(wpa_s, MSG_DEBUG,
1158					"   skip - BSSID blacklisted");
1159			continue;
1160		}
1161
1162		/* if there is a whitelist, only accept those APs */
1163		if (ssid->num_bssid_whitelist &&
1164		    !addr_in_list(bss->bssid, ssid->bssid_whitelist,
1165				  ssid->num_bssid_whitelist)) {
1166			if (debug_print)
1167				wpa_dbg(wpa_s, MSG_DEBUG,
1168					"   skip - BSSID not in whitelist");
1169			continue;
1170		}
1171
1172		if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss,
1173						   debug_print))
1174			continue;
1175
1176		if (!osen && !wpa &&
1177		    !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
1178		    !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
1179		    !(ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
1180		    !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
1181			if (debug_print)
1182				wpa_dbg(wpa_s, MSG_DEBUG,
1183					"   skip - non-WPA network not allowed");
1184			continue;
1185		}
1186
1187		if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
1188		    has_wep_key(ssid)) {
1189			if (debug_print)
1190				wpa_dbg(wpa_s, MSG_DEBUG,
1191					"   skip - ignore WPA/WPA2 AP for WEP network block");
1192			continue;
1193		}
1194
1195		if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && !osen &&
1196		    !rsn_osen) {
1197			if (debug_print)
1198				wpa_dbg(wpa_s, MSG_DEBUG,
1199					"   skip - non-OSEN network not allowed");
1200			continue;
1201		}
1202
1203		if (!wpa_supplicant_match_privacy(bss, ssid)) {
1204			if (debug_print)
1205				wpa_dbg(wpa_s, MSG_DEBUG,
1206					"   skip - privacy mismatch");
1207			continue;
1208		}
1209
1210		if (ssid->mode != IEEE80211_MODE_MESH && !bss_is_ess(bss) &&
1211		    !bss_is_pbss(bss)) {
1212			if (debug_print)
1213				wpa_dbg(wpa_s, MSG_DEBUG,
1214					"   skip - not ESS, PBSS, or MBSS");
1215			continue;
1216		}
1217
1218		if (ssid->pbss != 2 && ssid->pbss != bss_is_pbss(bss)) {
1219			if (debug_print)
1220				wpa_dbg(wpa_s, MSG_DEBUG,
1221					"   skip - PBSS mismatch (ssid %d bss %d)",
1222					ssid->pbss, bss_is_pbss(bss));
1223			continue;
1224		}
1225
1226		if (!freq_allowed(ssid->freq_list, bss->freq)) {
1227			if (debug_print)
1228				wpa_dbg(wpa_s, MSG_DEBUG,
1229					"   skip - frequency not allowed");
1230			continue;
1231		}
1232
1233#ifdef CONFIG_MESH
1234		if (ssid->mode == IEEE80211_MODE_MESH && ssid->frequency > 0 &&
1235		    ssid->frequency != bss->freq) {
1236			if (debug_print)
1237				wpa_dbg(wpa_s, MSG_DEBUG,
1238					"   skip - frequency not allowed (mesh)");
1239			continue;
1240		}
1241#endif /* CONFIG_MESH */
1242
1243		if (!rate_match(wpa_s, bss, debug_print)) {
1244			if (debug_print)
1245				wpa_dbg(wpa_s, MSG_DEBUG,
1246					"   skip - rate sets do not match");
1247			continue;
1248		}
1249
1250#ifndef CONFIG_IBSS_RSN
1251		if (ssid->mode == WPAS_MODE_IBSS &&
1252		    !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
1253					WPA_KEY_MGMT_WPA_NONE))) {
1254			if (debug_print)
1255				wpa_dbg(wpa_s, MSG_DEBUG,
1256					"   skip - IBSS RSN not supported in the build");
1257			continue;
1258		}
1259#endif /* !CONFIG_IBSS_RSN */
1260
1261#ifdef CONFIG_P2P
1262		if (ssid->p2p_group &&
1263		    !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
1264		    !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
1265			if (debug_print)
1266				wpa_dbg(wpa_s, MSG_DEBUG,
1267					"   skip - no P2P IE seen");
1268			continue;
1269		}
1270
1271		if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) {
1272			struct wpabuf *p2p_ie;
1273			u8 dev_addr[ETH_ALEN];
1274
1275			ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1276			if (ie == NULL) {
1277				if (debug_print)
1278					wpa_dbg(wpa_s, MSG_DEBUG,
1279						"   skip - no P2P element");
1280				continue;
1281			}
1282			p2p_ie = wpa_bss_get_vendor_ie_multi(
1283				bss, P2P_IE_VENDOR_TYPE);
1284			if (p2p_ie == NULL) {
1285				if (debug_print)
1286					wpa_dbg(wpa_s, MSG_DEBUG,
1287						"   skip - could not fetch P2P element");
1288				continue;
1289			}
1290
1291			if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0
1292			    || os_memcmp(dev_addr, ssid->go_p2p_dev_addr,
1293					 ETH_ALEN) != 0) {
1294				if (debug_print)
1295					wpa_dbg(wpa_s, MSG_DEBUG,
1296						"   skip - no matching GO P2P Device Address in P2P element");
1297				wpabuf_free(p2p_ie);
1298				continue;
1299			}
1300			wpabuf_free(p2p_ie);
1301		}
1302
1303		/*
1304		 * TODO: skip the AP if its P2P IE has Group Formation
1305		 * bit set in the P2P Group Capability Bitmap and we
1306		 * are not in Group Formation with that device.
1307		 */
1308#endif /* CONFIG_P2P */
1309
1310		if (os_reltime_before(&bss->last_update, &wpa_s->scan_min_time))
1311		{
1312			struct os_reltime diff;
1313
1314			os_reltime_sub(&wpa_s->scan_min_time,
1315				       &bss->last_update, &diff);
1316			if (debug_print)
1317				wpa_dbg(wpa_s, MSG_DEBUG,
1318					"   skip - scan result not recent enough (%u.%06u seconds too old)",
1319				(unsigned int) diff.sec,
1320				(unsigned int) diff.usec);
1321			continue;
1322		}
1323#ifdef CONFIG_MBO
1324#ifdef CONFIG_TESTING_OPTIONS
1325		if (wpa_s->ignore_assoc_disallow)
1326			goto skip_assoc_disallow;
1327#endif /* CONFIG_TESTING_OPTIONS */
1328		assoc_disallow = wpas_mbo_get_bss_attr(
1329			bss, MBO_ATTR_ID_ASSOC_DISALLOW);
1330		if (assoc_disallow && assoc_disallow[1] >= 1) {
1331			if (debug_print)
1332				wpa_dbg(wpa_s, MSG_DEBUG,
1333					"   skip - MBO association disallowed (reason %u)",
1334				assoc_disallow[2]);
1335			continue;
1336		}
1337
1338		if (wpa_is_bss_tmp_disallowed(wpa_s, bss->bssid)) {
1339			if (debug_print)
1340				wpa_dbg(wpa_s, MSG_DEBUG,
1341					"   skip - MBO retry delay has not passed yet");
1342			continue;
1343		}
1344#ifdef CONFIG_TESTING_OPTIONS
1345	skip_assoc_disallow:
1346#endif /* CONFIG_TESTING_OPTIONS */
1347#endif /* CONFIG_MBO */
1348
1349#ifdef CONFIG_DPP
1350		if ((ssid->key_mgmt & WPA_KEY_MGMT_DPP) &&
1351		    !wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, ssid) &&
1352		    (!ssid->dpp_connector ||
1353		     !ssid->dpp_netaccesskey ||
1354		     !ssid->dpp_csign)) {
1355			if (debug_print)
1356				wpa_dbg(wpa_s, MSG_DEBUG,
1357					"   skip - no PMKSA entry for DPP");
1358			continue;
1359		}
1360#endif /* CONFIG_DPP */
1361
1362		/* Matching configuration found */
1363		return ssid;
1364	}
1365
1366	/* No matching configuration found */
1367	return NULL;
1368}
1369
1370
1371static struct wpa_bss *
1372wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
1373			  struct wpa_ssid *group,
1374			  struct wpa_ssid **selected_ssid,
1375			  int only_first_ssid)
1376{
1377	unsigned int i;
1378
1379	if (wpa_s->current_ssid) {
1380		struct wpa_ssid *ssid;
1381
1382		wpa_dbg(wpa_s, MSG_DEBUG,
1383			"Scan results matching the currently selected network");
1384		for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1385			struct wpa_bss *bss = wpa_s->last_scan_res[i];
1386
1387			ssid = wpa_scan_res_match(wpa_s, i, bss, group,
1388						  only_first_ssid, 0);
1389			if (ssid != wpa_s->current_ssid)
1390				continue;
1391			wpa_dbg(wpa_s, MSG_DEBUG, "%u: " MACSTR
1392				" freq=%d level=%d snr=%d est_throughput=%u",
1393				i, MAC2STR(bss->bssid), bss->freq, bss->level,
1394				bss->snr, bss->est_throughput);
1395		}
1396	}
1397
1398	if (only_first_ssid)
1399		wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d",
1400			group->id);
1401	else
1402		wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
1403			group->priority);
1404
1405	for (i = 0; i < wpa_s->last_scan_res_used; i++) {
1406		struct wpa_bss *bss = wpa_s->last_scan_res[i];
1407
1408		wpa_s->owe_transition_select = 1;
1409		*selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group,
1410						    only_first_ssid, 1);
1411		wpa_s->owe_transition_select = 0;
1412		if (!*selected_ssid)
1413			continue;
1414		wpa_dbg(wpa_s, MSG_DEBUG, "   selected BSS " MACSTR
1415			" ssid='%s'",
1416			MAC2STR(bss->bssid),
1417			wpa_ssid_txt(bss->ssid, bss->ssid_len));
1418		return bss;
1419	}
1420
1421	return NULL;
1422}
1423
1424
1425struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1426					     struct wpa_ssid **selected_ssid)
1427{
1428	struct wpa_bss *selected = NULL;
1429	int prio;
1430	struct wpa_ssid *next_ssid = NULL;
1431	struct wpa_ssid *ssid;
1432
1433	if (wpa_s->last_scan_res == NULL ||
1434	    wpa_s->last_scan_res_used == 0)
1435		return NULL; /* no scan results from last update */
1436
1437	if (wpa_s->next_ssid) {
1438		/* check that next_ssid is still valid */
1439		for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1440			if (ssid == wpa_s->next_ssid)
1441				break;
1442		}
1443		next_ssid = ssid;
1444		wpa_s->next_ssid = NULL;
1445	}
1446
1447	while (selected == NULL) {
1448		for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1449			if (next_ssid && next_ssid->priority ==
1450			    wpa_s->conf->pssid[prio]->priority) {
1451				selected = wpa_supplicant_select_bss(
1452					wpa_s, next_ssid, selected_ssid, 1);
1453				if (selected)
1454					break;
1455			}
1456			selected = wpa_supplicant_select_bss(
1457				wpa_s, wpa_s->conf->pssid[prio],
1458				selected_ssid, 0);
1459			if (selected)
1460				break;
1461		}
1462
1463		if (selected == NULL && wpa_s->blacklist &&
1464		    !wpa_s->countermeasures) {
1465			wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
1466				"blacklist and try again");
1467			wpa_blacklist_clear(wpa_s);
1468			wpa_s->blacklist_cleared++;
1469		} else if (selected == NULL)
1470			break;
1471	}
1472
1473	ssid = *selected_ssid;
1474	if (selected && ssid && ssid->mem_only_psk && !ssid->psk_set &&
1475	    !ssid->passphrase && !ssid->ext_psk) {
1476		const char *field_name, *txt = NULL;
1477
1478		wpa_dbg(wpa_s, MSG_DEBUG,
1479			"PSK/passphrase not yet available for the selected network");
1480
1481		wpas_notify_network_request(wpa_s, ssid,
1482					    WPA_CTRL_REQ_PSK_PASSPHRASE, NULL);
1483
1484		field_name = wpa_supplicant_ctrl_req_to_string(
1485			WPA_CTRL_REQ_PSK_PASSPHRASE, NULL, &txt);
1486		if (field_name == NULL)
1487			return NULL;
1488
1489		wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
1490
1491		selected = NULL;
1492	}
1493
1494	return selected;
1495}
1496
1497
1498static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
1499					int timeout_sec, int timeout_usec)
1500{
1501	if (!wpa_supplicant_enabled_networks(wpa_s)) {
1502		/*
1503		 * No networks are enabled; short-circuit request so
1504		 * we don't wait timeout seconds before transitioning
1505		 * to INACTIVE state.
1506		 */
1507		wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
1508			"since there are no enabled networks");
1509		wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
1510		return;
1511	}
1512
1513	wpa_s->scan_for_connection = 1;
1514	wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
1515}
1516
1517
1518int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1519			   struct wpa_bss *selected,
1520			   struct wpa_ssid *ssid)
1521{
1522	if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
1523		wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
1524			"PBC session overlap");
1525		wpas_notify_wps_event_pbc_overlap(wpa_s);
1526#ifdef CONFIG_P2P
1527		if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
1528		    wpa_s->p2p_in_provisioning) {
1529			eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb,
1530					       wpa_s, NULL);
1531			return -1;
1532		}
1533#endif /* CONFIG_P2P */
1534
1535#ifdef CONFIG_WPS
1536		wpas_wps_pbc_overlap(wpa_s);
1537		wpas_wps_cancel(wpa_s);
1538#endif /* CONFIG_WPS */
1539		return -1;
1540	}
1541
1542	wpa_msg(wpa_s, MSG_DEBUG,
1543		"Considering connect request: reassociate: %d  selected: "
1544		MACSTR "  bssid: " MACSTR "  pending: " MACSTR
1545		"  wpa_state: %s  ssid=%p  current_ssid=%p",
1546		wpa_s->reassociate, MAC2STR(selected->bssid),
1547		MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
1548		wpa_supplicant_state_txt(wpa_s->wpa_state),
1549		ssid, wpa_s->current_ssid);
1550
1551	/*
1552	 * Do not trigger new association unless the BSSID has changed or if
1553	 * reassociation is requested. If we are in process of associating with
1554	 * the selected BSSID, do not trigger new attempt.
1555	 */
1556	if (wpa_s->reassociate ||
1557	    (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
1558	     ((wpa_s->wpa_state != WPA_ASSOCIATING &&
1559	       wpa_s->wpa_state != WPA_AUTHENTICATING) ||
1560	      (!is_zero_ether_addr(wpa_s->pending_bssid) &&
1561	       os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
1562	       0) ||
1563	      (is_zero_ether_addr(wpa_s->pending_bssid) &&
1564	       ssid != wpa_s->current_ssid)))) {
1565		if (wpa_supplicant_scard_init(wpa_s, ssid)) {
1566			wpa_supplicant_req_new_scan(wpa_s, 10, 0);
1567			return 0;
1568		}
1569		wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
1570			MAC2STR(selected->bssid));
1571		wpa_supplicant_associate(wpa_s, selected, ssid);
1572	} else {
1573		wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
1574			"connect with the selected AP");
1575	}
1576
1577	return 0;
1578}
1579
1580
1581static struct wpa_ssid *
1582wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
1583{
1584	int prio;
1585	struct wpa_ssid *ssid;
1586
1587	for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1588		for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
1589		{
1590			if (wpas_network_disabled(wpa_s, ssid))
1591				continue;
1592#ifndef CONFIG_IBSS_RSN
1593			if (ssid->mode == WPAS_MODE_IBSS &&
1594			    !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
1595						WPA_KEY_MGMT_WPA_NONE))) {
1596				wpa_msg(wpa_s, MSG_INFO,
1597					"IBSS RSN not supported in the build - cannot use the profile for SSID '%s'",
1598					wpa_ssid_txt(ssid->ssid,
1599						     ssid->ssid_len));
1600				continue;
1601			}
1602#endif /* !CONFIG_IBSS_RSN */
1603			if (ssid->mode == IEEE80211_MODE_IBSS ||
1604			    ssid->mode == IEEE80211_MODE_AP ||
1605			    ssid->mode == IEEE80211_MODE_MESH)
1606				return ssid;
1607		}
1608	}
1609	return NULL;
1610}
1611
1612
1613/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
1614 * on BSS added and BSS changed events */
1615static void wpa_supplicant_rsn_preauth_scan_results(
1616	struct wpa_supplicant *wpa_s)
1617{
1618	struct wpa_bss *bss;
1619
1620	if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
1621		return;
1622
1623	dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1624		const u8 *ssid, *rsn;
1625
1626		ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
1627		if (ssid == NULL)
1628			continue;
1629
1630		rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1631		if (rsn == NULL)
1632			continue;
1633
1634		rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
1635	}
1636
1637}
1638
1639
1640static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
1641				       struct wpa_bss *selected,
1642				       struct wpa_ssid *ssid)
1643{
1644	struct wpa_bss *current_bss = NULL;
1645#ifndef CONFIG_NO_ROAMING
1646	int min_diff, diff;
1647	int to_5ghz;
1648	int cur_est, sel_est;
1649#endif /* CONFIG_NO_ROAMING */
1650
1651	if (wpa_s->reassociate)
1652		return 1; /* explicit request to reassociate */
1653	if (wpa_s->wpa_state < WPA_ASSOCIATED)
1654		return 1; /* we are not associated; continue */
1655	if (wpa_s->current_ssid == NULL)
1656		return 1; /* unknown current SSID */
1657	if (wpa_s->current_ssid != ssid)
1658		return 1; /* different network block */
1659
1660	if (wpas_driver_bss_selection(wpa_s))
1661		return 0; /* Driver-based roaming */
1662
1663	if (wpa_s->current_ssid->ssid)
1664		current_bss = wpa_bss_get(wpa_s, wpa_s->bssid,
1665					  wpa_s->current_ssid->ssid,
1666					  wpa_s->current_ssid->ssid_len);
1667	if (!current_bss)
1668		current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
1669
1670	if (!current_bss)
1671		return 1; /* current BSS not seen in scan results */
1672
1673	if (current_bss == selected)
1674		return 0;
1675
1676	if (selected->last_update_idx > current_bss->last_update_idx)
1677		return 1; /* current BSS not seen in the last scan */
1678
1679#ifndef CONFIG_NO_ROAMING
1680	wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
1681	wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR
1682		" freq=%d level=%d snr=%d est_throughput=%u",
1683		MAC2STR(current_bss->bssid),
1684		current_bss->freq, current_bss->level,
1685		current_bss->snr, current_bss->est_throughput);
1686	wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR
1687		" freq=%d level=%d snr=%d est_throughput=%u",
1688		MAC2STR(selected->bssid), selected->freq, selected->level,
1689		selected->snr, selected->est_throughput);
1690
1691	if (wpa_s->current_ssid->bssid_set &&
1692	    os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
1693	    0) {
1694		wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
1695			"has preferred BSSID");
1696		return 1;
1697	}
1698
1699	if (selected->est_throughput > current_bss->est_throughput + 5000) {
1700		wpa_dbg(wpa_s, MSG_DEBUG,
1701			"Allow reassociation - selected BSS has better estimated throughput");
1702		return 1;
1703	}
1704
1705	to_5ghz = selected->freq > 4000 && current_bss->freq < 4000;
1706
1707	if (current_bss->level < 0 &&
1708	    current_bss->level > selected->level + to_5ghz * 2) {
1709		wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
1710			"signal level");
1711		return 0;
1712	}
1713
1714	if (current_bss->est_throughput > selected->est_throughput + 5000) {
1715		wpa_dbg(wpa_s, MSG_DEBUG,
1716			"Skip roam - Current BSS has better estimated throughput");
1717		return 0;
1718	}
1719
1720	cur_est = current_bss->est_throughput;
1721	sel_est = selected->est_throughput;
1722	min_diff = 2;
1723	if (current_bss->level < 0) {
1724		if (current_bss->level < -85)
1725			min_diff = 1;
1726		else if (current_bss->level < -80)
1727			min_diff = 2;
1728		else if (current_bss->level < -75)
1729			min_diff = 3;
1730		else if (current_bss->level < -70)
1731			min_diff = 4;
1732		else
1733			min_diff = 5;
1734		if (cur_est > sel_est * 1.5)
1735			min_diff += 10;
1736		else if (cur_est > sel_est * 1.2)
1737			min_diff += 5;
1738		else if (cur_est > sel_est * 1.1)
1739			min_diff += 2;
1740		else if (cur_est > sel_est)
1741			min_diff++;
1742	}
1743	if (to_5ghz) {
1744		int reduce = 2;
1745
1746		/* Make it easier to move to 5 GHz band */
1747		if (sel_est > cur_est * 1.5)
1748			reduce = 5;
1749		else if (sel_est > cur_est * 1.2)
1750			reduce = 4;
1751		else if (sel_est > cur_est * 1.1)
1752			reduce = 3;
1753
1754		if (min_diff > reduce)
1755			min_diff -= reduce;
1756		else
1757			min_diff = 0;
1758	}
1759	diff = abs(current_bss->level - selected->level);
1760	if (diff < min_diff) {
1761		wpa_dbg(wpa_s, MSG_DEBUG,
1762			"Skip roam - too small difference in signal level (%d < %d)",
1763			diff, min_diff);
1764		return 0;
1765	}
1766
1767	wpa_dbg(wpa_s, MSG_DEBUG,
1768		"Allow reassociation due to difference in signal level (%d >= %d)",
1769		diff, min_diff);
1770	return 1;
1771#else /* CONFIG_NO_ROAMING */
1772	return 0;
1773#endif /* CONFIG_NO_ROAMING */
1774}
1775
1776
1777/*
1778 * Return a negative value if no scan results could be fetched or if scan
1779 * results should not be shared with other virtual interfaces.
1780 * Return 0 if scan results were fetched and may be shared with other
1781 * interfaces.
1782 * Return 1 if scan results may be shared with other virtual interfaces but may
1783 * not trigger any operations.
1784 * Return 2 if the interface was removed and cannot be used.
1785 */
1786static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
1787					      union wpa_event_data *data,
1788					      int own_request, int update_only)
1789{
1790	struct wpa_scan_results *scan_res = NULL;
1791	int ret = 0;
1792	int ap = 0;
1793#ifndef CONFIG_NO_RANDOM_POOL
1794	size_t i, num;
1795#endif /* CONFIG_NO_RANDOM_POOL */
1796
1797#ifdef CONFIG_AP
1798	if (wpa_s->ap_iface)
1799		ap = 1;
1800#endif /* CONFIG_AP */
1801
1802	wpa_supplicant_notify_scanning(wpa_s, 0);
1803
1804	scan_res = wpa_supplicant_get_scan_results(wpa_s,
1805						   data ? &data->scan_info :
1806						   NULL, 1);
1807	if (scan_res == NULL) {
1808		if (wpa_s->conf->ap_scan == 2 || ap ||
1809		    wpa_s->scan_res_handler == scan_only_handler)
1810			return -1;
1811		if (!own_request)
1812			return -1;
1813		if (data && data->scan_info.external_scan)
1814			return -1;
1815		wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try "
1816			"scanning again");
1817		wpa_supplicant_req_new_scan(wpa_s, 1, 0);
1818		ret = -1;
1819		goto scan_work_done;
1820	}
1821
1822#ifndef CONFIG_NO_RANDOM_POOL
1823	num = scan_res->num;
1824	if (num > 10)
1825		num = 10;
1826	for (i = 0; i < num; i++) {
1827		u8 buf[5];
1828		struct wpa_scan_res *res = scan_res->res[i];
1829		buf[0] = res->bssid[5];
1830		buf[1] = res->qual & 0xff;
1831		buf[2] = res->noise & 0xff;
1832		buf[3] = res->level & 0xff;
1833		buf[4] = res->tsf & 0xff;
1834		random_add_randomness(buf, sizeof(buf));
1835	}
1836#endif /* CONFIG_NO_RANDOM_POOL */
1837
1838	if (update_only) {
1839		ret = 1;
1840		goto scan_work_done;
1841	}
1842
1843	if (own_request && wpa_s->scan_res_handler &&
1844	    !(data && data->scan_info.external_scan)) {
1845		void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
1846					 struct wpa_scan_results *scan_res);
1847
1848		scan_res_handler = wpa_s->scan_res_handler;
1849		wpa_s->scan_res_handler = NULL;
1850		scan_res_handler(wpa_s, scan_res);
1851		ret = 1;
1852		goto scan_work_done;
1853	}
1854
1855	if (ap) {
1856		wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
1857#ifdef CONFIG_AP
1858		if (wpa_s->ap_iface->scan_cb)
1859			wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
1860#endif /* CONFIG_AP */
1861		goto scan_work_done;
1862	}
1863
1864	wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)",
1865		wpa_s->own_scan_running,
1866		data ? data->scan_info.external_scan : 0);
1867	if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
1868	    wpa_s->manual_scan_use_id && wpa_s->own_scan_running &&
1869	    own_request && !(data && data->scan_info.external_scan)) {
1870		wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u",
1871			     wpa_s->manual_scan_id);
1872		wpa_s->manual_scan_use_id = 0;
1873	} else {
1874		wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
1875	}
1876	wpas_notify_scan_results(wpa_s);
1877
1878	wpas_notify_scan_done(wpa_s, 1);
1879
1880	if (data && data->scan_info.external_scan) {
1881		wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection");
1882		wpa_scan_results_free(scan_res);
1883		return 0;
1884	}
1885
1886	if (wnm_scan_process(wpa_s, 1) > 0)
1887		goto scan_work_done;
1888
1889	if (sme_proc_obss_scan(wpa_s) > 0)
1890		goto scan_work_done;
1891
1892	if (own_request &&
1893	    wpas_beacon_rep_scan_process(wpa_s, scan_res, &data->scan_info) > 0)
1894		goto scan_work_done;
1895
1896	if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)))
1897		goto scan_work_done;
1898
1899	if (autoscan_notify_scan(wpa_s, scan_res))
1900		goto scan_work_done;
1901
1902	if (wpa_s->disconnected) {
1903		wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
1904		goto scan_work_done;
1905	}
1906
1907	if (!wpas_driver_bss_selection(wpa_s) &&
1908	    bgscan_notify_scan(wpa_s, scan_res) == 1)
1909		goto scan_work_done;
1910
1911	wpas_wps_update_ap_info(wpa_s, scan_res);
1912
1913	if (wpa_s->wpa_state >= WPA_AUTHENTICATING &&
1914	    wpa_s->wpa_state < WPA_COMPLETED)
1915		goto scan_work_done;
1916
1917	wpa_scan_results_free(scan_res);
1918
1919	if (own_request && wpa_s->scan_work) {
1920		struct wpa_radio_work *work = wpa_s->scan_work;
1921		wpa_s->scan_work = NULL;
1922		radio_work_done(work);
1923	}
1924
1925	return wpas_select_network_from_last_scan(wpa_s, 1, own_request);
1926
1927scan_work_done:
1928	wpa_scan_results_free(scan_res);
1929	if (own_request && wpa_s->scan_work) {
1930		struct wpa_radio_work *work = wpa_s->scan_work;
1931		wpa_s->scan_work = NULL;
1932		radio_work_done(work);
1933	}
1934	return ret;
1935}
1936
1937
1938static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
1939					      int new_scan, int own_request)
1940{
1941	struct wpa_bss *selected;
1942	struct wpa_ssid *ssid = NULL;
1943	int time_to_reenable = wpas_reenabled_network_time(wpa_s);
1944
1945	if (time_to_reenable > 0) {
1946		wpa_dbg(wpa_s, MSG_DEBUG,
1947			"Postpone network selection by %d seconds since all networks are disabled",
1948			time_to_reenable);
1949		eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
1950		eloop_register_timeout(time_to_reenable, 0,
1951				       wpas_network_reenabled, wpa_s, NULL);
1952		return 0;
1953	}
1954
1955	if (wpa_s->p2p_mgmt)
1956		return 0; /* no normal connection on p2p_mgmt interface */
1957
1958	wpa_s->owe_transition_search = 0;
1959	selected = wpa_supplicant_pick_network(wpa_s, &ssid);
1960
1961#ifdef CONFIG_MESH
1962	if (wpa_s->ifmsh) {
1963		wpa_msg(wpa_s, MSG_INFO,
1964			"Avoiding join because we already joined a mesh group");
1965		return 0;
1966	}
1967#endif /* CONFIG_MESH */
1968
1969	if (selected) {
1970		int skip;
1971		skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
1972		if (skip) {
1973			if (new_scan)
1974				wpa_supplicant_rsn_preauth_scan_results(wpa_s);
1975			return 0;
1976		}
1977
1978		if (ssid != wpa_s->current_ssid &&
1979		    wpa_s->wpa_state >= WPA_AUTHENTICATING) {
1980			wpa_s->own_disconnect_req = 1;
1981			wpa_supplicant_deauthenticate(
1982				wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1983		}
1984
1985		if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
1986			wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
1987			return -1;
1988		}
1989		if (new_scan)
1990			wpa_supplicant_rsn_preauth_scan_results(wpa_s);
1991		/*
1992		 * Do not allow other virtual radios to trigger operations based
1993		 * on these scan results since we do not want them to start
1994		 * other associations at the same time.
1995		 */
1996		return 1;
1997	} else {
1998		wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
1999		ssid = wpa_supplicant_pick_new_network(wpa_s);
2000		if (ssid) {
2001			wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
2002			wpa_supplicant_associate(wpa_s, NULL, ssid);
2003			if (new_scan)
2004				wpa_supplicant_rsn_preauth_scan_results(wpa_s);
2005		} else if (own_request) {
2006			/*
2007			 * No SSID found. If SCAN results are as a result of
2008			 * own scan request and not due to a scan request on
2009			 * another shared interface, try another scan.
2010			 */
2011			int timeout_sec = wpa_s->scan_interval;
2012			int timeout_usec = 0;
2013#ifdef CONFIG_P2P
2014			int res;
2015
2016			res = wpas_p2p_scan_no_go_seen(wpa_s);
2017			if (res == 2)
2018				return 2;
2019			if (res == 1)
2020				return 0;
2021
2022			if (wpa_s->p2p_in_provisioning ||
2023			    wpa_s->show_group_started ||
2024			    wpa_s->p2p_in_invitation) {
2025				/*
2026				 * Use shorter wait during P2P Provisioning
2027				 * state and during P2P join-a-group operation
2028				 * to speed up group formation.
2029				 */
2030				timeout_sec = 0;
2031				timeout_usec = 250000;
2032				wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2033							    timeout_usec);
2034				return 0;
2035			}
2036#endif /* CONFIG_P2P */
2037#ifdef CONFIG_INTERWORKING
2038			if (wpa_s->conf->auto_interworking &&
2039			    wpa_s->conf->interworking &&
2040			    wpa_s->conf->cred) {
2041				wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
2042					"start ANQP fetch since no matching "
2043					"networks found");
2044				wpa_s->network_select = 1;
2045				wpa_s->auto_network_select = 1;
2046				interworking_start_fetch_anqp(wpa_s);
2047				return 1;
2048			}
2049#endif /* CONFIG_INTERWORKING */
2050#ifdef CONFIG_WPS
2051			if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) {
2052				wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing");
2053				timeout_sec = 0;
2054				timeout_usec = 500000;
2055				wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2056							    timeout_usec);
2057				return 0;
2058			}
2059#endif /* CONFIG_WPS */
2060#ifdef CONFIG_OWE
2061			if (wpa_s->owe_transition_search) {
2062				wpa_dbg(wpa_s, MSG_DEBUG,
2063					"OWE: Use shorter wait during transition mode search");
2064				timeout_sec = 0;
2065				timeout_usec = 500000;
2066				wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2067							    timeout_usec);
2068				return 0;
2069			}
2070#endif /* CONFIG_OWE */
2071			if (wpa_supplicant_req_sched_scan(wpa_s))
2072				wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
2073							    timeout_usec);
2074
2075			wpa_msg_ctrl(wpa_s, MSG_INFO,
2076				     WPA_EVENT_NETWORK_NOT_FOUND);
2077		}
2078	}
2079	return 0;
2080}
2081
2082
2083static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
2084					     union wpa_event_data *data)
2085{
2086	struct wpa_supplicant *ifs;
2087	int res;
2088
2089	res = _wpa_supplicant_event_scan_results(wpa_s, data, 1, 0);
2090	if (res == 2) {
2091		/*
2092		 * Interface may have been removed, so must not dereference
2093		 * wpa_s after this.
2094		 */
2095		return 1;
2096	}
2097
2098	if (res < 0) {
2099		/*
2100		 * If no scan results could be fetched, then no need to
2101		 * notify those interfaces that did not actually request
2102		 * this scan. Similarly, if scan results started a new operation on this
2103		 * interface, do not notify other interfaces to avoid concurrent
2104		 * operations during a connection attempt.
2105		 */
2106		return 0;
2107	}
2108
2109	/*
2110	 * Check other interfaces to see if they share the same radio. If
2111	 * so, they get updated with this same scan info.
2112	 */
2113	dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
2114			 radio_list) {
2115		if (ifs != wpa_s) {
2116			wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
2117				   "sibling", ifs->ifname);
2118			res = _wpa_supplicant_event_scan_results(ifs, data, 0,
2119								 res > 0);
2120			if (res < 0)
2121				return 0;
2122		}
2123	}
2124
2125	return 0;
2126}
2127
2128#endif /* CONFIG_NO_SCAN_PROCESSING */
2129
2130
2131int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
2132{
2133#ifdef CONFIG_NO_SCAN_PROCESSING
2134	return -1;
2135#else /* CONFIG_NO_SCAN_PROCESSING */
2136	struct os_reltime now;
2137
2138	wpa_s->ignore_post_flush_scan_res = 0;
2139
2140	if (wpa_s->last_scan_res_used == 0)
2141		return -1;
2142
2143	os_get_reltime(&now);
2144	if (os_reltime_expired(&now, &wpa_s->last_scan, 5)) {
2145		wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
2146		return -1;
2147	}
2148
2149	return wpas_select_network_from_last_scan(wpa_s, 0, 1);
2150#endif /* CONFIG_NO_SCAN_PROCESSING */
2151}
2152
2153#ifdef CONFIG_WNM
2154
2155static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
2156{
2157	struct wpa_supplicant *wpa_s = eloop_ctx;
2158
2159	if (wpa_s->wpa_state < WPA_ASSOCIATED)
2160		return;
2161
2162	if (!wpa_s->no_keep_alive) {
2163		wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
2164			   MAC2STR(wpa_s->bssid));
2165		/* TODO: could skip this if normal data traffic has been sent */
2166		/* TODO: Consider using some more appropriate data frame for
2167		 * this */
2168		if (wpa_s->l2)
2169			l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
2170				       (u8 *) "", 0);
2171	}
2172
2173#ifdef CONFIG_SME
2174	if (wpa_s->sme.bss_max_idle_period) {
2175		unsigned int msec;
2176		msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
2177		if (msec > 100)
2178			msec -= 100;
2179		eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
2180				       wnm_bss_keep_alive, wpa_s, NULL);
2181	}
2182#endif /* CONFIG_SME */
2183}
2184
2185
2186static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
2187				   const u8 *ies, size_t ies_len)
2188{
2189	struct ieee802_11_elems elems;
2190
2191	if (ies == NULL)
2192		return;
2193
2194	if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2195		return;
2196
2197#ifdef CONFIG_SME
2198	if (elems.bss_max_idle_period) {
2199		unsigned int msec;
2200		wpa_s->sme.bss_max_idle_period =
2201			WPA_GET_LE16(elems.bss_max_idle_period);
2202		wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
2203			   "TU)%s", wpa_s->sme.bss_max_idle_period,
2204			   (elems.bss_max_idle_period[2] & 0x01) ?
2205			   " (protected keep-live required)" : "");
2206		if (wpa_s->sme.bss_max_idle_period == 0)
2207			wpa_s->sme.bss_max_idle_period = 1;
2208		if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
2209			eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
2210			 /* msec times 1000 */
2211			msec = wpa_s->sme.bss_max_idle_period * 1024;
2212			if (msec > 100)
2213				msec -= 100;
2214			eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
2215					       wnm_bss_keep_alive, wpa_s,
2216					       NULL);
2217		}
2218	}
2219#endif /* CONFIG_SME */
2220}
2221
2222#endif /* CONFIG_WNM */
2223
2224
2225void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
2226{
2227#ifdef CONFIG_WNM
2228	eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
2229#endif /* CONFIG_WNM */
2230}
2231
2232
2233#ifdef CONFIG_INTERWORKING
2234
2235static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map,
2236			    size_t len)
2237{
2238	int res;
2239
2240	wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len);
2241	res = wpa_drv_set_qos_map(wpa_s, qos_map, len);
2242	if (res) {
2243		wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver");
2244	}
2245
2246	return res;
2247}
2248
2249
2250static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s,
2251					    const u8 *ies, size_t ies_len)
2252{
2253	struct ieee802_11_elems elems;
2254
2255	if (ies == NULL)
2256		return;
2257
2258	if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
2259		return;
2260
2261	if (elems.qos_map_set) {
2262		wpas_qos_map_set(wpa_s, elems.qos_map_set,
2263				 elems.qos_map_set_len);
2264	}
2265}
2266
2267#endif /* CONFIG_INTERWORKING */
2268
2269
2270#ifdef CONFIG_FST
2271static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s,
2272				const u8 *ie, size_t ie_len)
2273{
2274	struct mb_ies_info mb_ies;
2275
2276	if (!ie || !ie_len || !wpa_s->fst)
2277	    return -ENOENT;
2278
2279	os_memset(&mb_ies, 0, sizeof(mb_ies));
2280
2281	while (ie_len >= 2 && mb_ies.nof_ies < MAX_NOF_MB_IES_SUPPORTED) {
2282		size_t len;
2283
2284		len = 2 + ie[1];
2285		if (len > ie_len) {
2286			wpa_hexdump(MSG_DEBUG, "FST: Truncated IE found",
2287				    ie, ie_len);
2288			break;
2289		}
2290
2291		if (ie[0] == WLAN_EID_MULTI_BAND) {
2292			wpa_printf(MSG_DEBUG, "MB IE of %u bytes found",
2293				   (unsigned int) len);
2294			mb_ies.ies[mb_ies.nof_ies].ie = ie + 2;
2295			mb_ies.ies[mb_ies.nof_ies].ie_len = len - 2;
2296			mb_ies.nof_ies++;
2297		}
2298
2299		ie_len -= len;
2300		ie += len;
2301	}
2302
2303	if (mb_ies.nof_ies > 0) {
2304		wpabuf_free(wpa_s->received_mb_ies);
2305		wpa_s->received_mb_ies = mb_ies_by_info(&mb_ies);
2306		return 0;
2307	}
2308
2309	return -ENOENT;
2310}
2311#endif /* CONFIG_FST */
2312
2313
2314static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
2315					  union wpa_event_data *data)
2316{
2317	int l, len, found = 0, wpa_found, rsn_found;
2318	const u8 *p;
2319#if defined(CONFIG_IEEE80211R) || defined(CONFIG_OWE)
2320	u8 bssid[ETH_ALEN];
2321#endif /* CONFIG_IEEE80211R || CONFIG_OWE */
2322
2323	wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
2324	if (data->assoc_info.req_ies)
2325		wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
2326			    data->assoc_info.req_ies_len);
2327	if (data->assoc_info.resp_ies) {
2328		wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
2329			    data->assoc_info.resp_ies_len);
2330#ifdef CONFIG_TDLS
2331		wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
2332					data->assoc_info.resp_ies_len);
2333#endif /* CONFIG_TDLS */
2334#ifdef CONFIG_WNM
2335		wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2336				       data->assoc_info.resp_ies_len);
2337#endif /* CONFIG_WNM */
2338#ifdef CONFIG_INTERWORKING
2339		interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
2340						data->assoc_info.resp_ies_len);
2341#endif /* CONFIG_INTERWORKING */
2342		if (wpa_s->hw_capab == CAPAB_VHT &&
2343		    get_ie(data->assoc_info.resp_ies,
2344			   data->assoc_info.resp_ies_len, WLAN_EID_VHT_CAP))
2345			wpa_s->ieee80211ac = 1;
2346	}
2347	if (data->assoc_info.beacon_ies)
2348		wpa_hexdump(MSG_DEBUG, "beacon_ies",
2349			    data->assoc_info.beacon_ies,
2350			    data->assoc_info.beacon_ies_len);
2351	if (data->assoc_info.freq)
2352		wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
2353			data->assoc_info.freq);
2354
2355	p = data->assoc_info.req_ies;
2356	l = data->assoc_info.req_ies_len;
2357
2358	/* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
2359	while (p && l >= 2) {
2360		len = p[1] + 2;
2361		if (len > l) {
2362			wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2363				    p, l);
2364			break;
2365		}
2366		if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2367		     (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
2368		    (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 &&
2369		     (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) ||
2370		    (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
2371			if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
2372				break;
2373			found = 1;
2374			wpa_find_assoc_pmkid(wpa_s);
2375			break;
2376		}
2377		l -= len;
2378		p += len;
2379	}
2380	if (!found && data->assoc_info.req_ies)
2381		wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
2382
2383#ifdef CONFIG_FILS
2384#ifdef CONFIG_SME
2385	if ((wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS ||
2386	     wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS_SK_PFS) &&
2387	    (!data->assoc_info.resp_frame ||
2388	     fils_process_assoc_resp(wpa_s->wpa,
2389				     data->assoc_info.resp_frame,
2390				     data->assoc_info.resp_frame_len) < 0)) {
2391		wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
2392		return -1;
2393	}
2394#endif /* CONFIG_SME */
2395
2396	/* Additional processing for FILS when SME is in driver */
2397	if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS &&
2398	    !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
2399		wpa_sm_set_reset_fils_completed(wpa_s->wpa, 1);
2400#endif /* CONFIG_FILS */
2401
2402#ifdef CONFIG_OWE
2403	if (wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
2404	    (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2405	     owe_process_assoc_resp(wpa_s->wpa, bssid,
2406				    data->assoc_info.resp_ies,
2407				    data->assoc_info.resp_ies_len) < 0)) {
2408		wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
2409		return -1;
2410	}
2411#endif /* CONFIG_OWE */
2412
2413#ifdef CONFIG_IEEE80211R
2414#ifdef CONFIG_SME
2415	if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
2416		if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2417		    wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2418						 data->assoc_info.resp_ies,
2419						 data->assoc_info.resp_ies_len,
2420						 bssid) < 0) {
2421			wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2422				"Reassociation Response failed");
2423			wpa_supplicant_deauthenticate(
2424				wpa_s, WLAN_REASON_INVALID_IE);
2425			return -1;
2426		}
2427	}
2428
2429	p = data->assoc_info.resp_ies;
2430	l = data->assoc_info.resp_ies_len;
2431
2432#ifdef CONFIG_WPS_STRICT
2433	if (p && wpa_s->current_ssid &&
2434	    wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
2435		struct wpabuf *wps;
2436		wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
2437		if (wps == NULL) {
2438			wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
2439				"include WPS IE in (Re)Association Response");
2440			return -1;
2441		}
2442
2443		if (wps_validate_assoc_resp(wps) < 0) {
2444			wpabuf_free(wps);
2445			wpa_supplicant_deauthenticate(
2446				wpa_s, WLAN_REASON_INVALID_IE);
2447			return -1;
2448		}
2449		wpabuf_free(wps);
2450	}
2451#endif /* CONFIG_WPS_STRICT */
2452
2453	/* Go through the IEs and make a copy of the MDIE, if present. */
2454	while (p && l >= 2) {
2455		len = p[1] + 2;
2456		if (len > l) {
2457			wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
2458				    p, l);
2459			break;
2460		}
2461		if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
2462		    p[1] >= MOBILITY_DOMAIN_ID_LEN) {
2463			wpa_s->sme.ft_used = 1;
2464			os_memcpy(wpa_s->sme.mobility_domain, p + 2,
2465				  MOBILITY_DOMAIN_ID_LEN);
2466			break;
2467		}
2468		l -= len;
2469		p += len;
2470	}
2471#endif /* CONFIG_SME */
2472
2473	/* Process FT when SME is in the driver */
2474	if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
2475	    wpa_ft_is_completed(wpa_s->wpa)) {
2476		if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
2477		    wpa_ft_validate_reassoc_resp(wpa_s->wpa,
2478						 data->assoc_info.resp_ies,
2479						 data->assoc_info.resp_ies_len,
2480						 bssid) < 0) {
2481			wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
2482				"Reassociation Response failed");
2483			wpa_supplicant_deauthenticate(
2484				wpa_s, WLAN_REASON_INVALID_IE);
2485			return -1;
2486		}
2487		wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
2488	}
2489
2490	wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
2491			     data->assoc_info.resp_ies_len);
2492#endif /* CONFIG_IEEE80211R */
2493
2494	/* WPA/RSN IE from Beacon/ProbeResp */
2495	p = data->assoc_info.beacon_ies;
2496	l = data->assoc_info.beacon_ies_len;
2497
2498	/* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
2499	 */
2500	wpa_found = rsn_found = 0;
2501	while (p && l >= 2) {
2502		len = p[1] + 2;
2503		if (len > l) {
2504			wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
2505				    p, l);
2506			break;
2507		}
2508		if (!wpa_found &&
2509		    p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
2510		    os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
2511			wpa_found = 1;
2512			wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
2513		}
2514
2515		if (!rsn_found &&
2516		    p[0] == WLAN_EID_RSN && p[1] >= 2) {
2517			rsn_found = 1;
2518			wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
2519		}
2520
2521		l -= len;
2522		p += len;
2523	}
2524
2525	if (!wpa_found && data->assoc_info.beacon_ies)
2526		wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
2527	if (!rsn_found && data->assoc_info.beacon_ies)
2528		wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
2529	if (wpa_found || rsn_found)
2530		wpa_s->ap_ies_from_associnfo = 1;
2531
2532	if (wpa_s->assoc_freq && data->assoc_info.freq &&
2533	    wpa_s->assoc_freq != data->assoc_info.freq) {
2534		wpa_printf(MSG_DEBUG, "Operating frequency changed from "
2535			   "%u to %u MHz",
2536			   wpa_s->assoc_freq, data->assoc_info.freq);
2537		wpa_supplicant_update_scan_results(wpa_s);
2538	}
2539
2540	wpa_s->assoc_freq = data->assoc_info.freq;
2541
2542	return 0;
2543}
2544
2545
2546static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
2547{
2548	const u8 *bss_wpa = NULL, *bss_rsn = NULL;
2549
2550	if (!wpa_s->current_bss || !wpa_s->current_ssid)
2551		return -1;
2552
2553	if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
2554		return 0;
2555
2556	bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
2557					WPA_IE_VENDOR_TYPE);
2558	bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
2559
2560	if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
2561				 bss_wpa ? 2 + bss_wpa[1] : 0) ||
2562	    wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
2563				 bss_rsn ? 2 + bss_rsn[1] : 0))
2564		return -1;
2565
2566	return 0;
2567}
2568
2569
2570static void wpas_fst_update_mb_assoc(struct wpa_supplicant *wpa_s,
2571				     union wpa_event_data *data)
2572{
2573#ifdef CONFIG_FST
2574	struct assoc_info *ai = data ? &data->assoc_info : NULL;
2575	struct wpa_bss *bss = wpa_s->current_bss;
2576	const u8 *ieprb, *iebcn;
2577
2578	wpabuf_free(wpa_s->received_mb_ies);
2579	wpa_s->received_mb_ies = NULL;
2580
2581	if (ai &&
2582	    !wpas_fst_update_mbie(wpa_s, ai->resp_ies, ai->resp_ies_len)) {
2583		wpa_printf(MSG_DEBUG,
2584			   "FST: MB IEs updated from Association Response frame");
2585		return;
2586	}
2587
2588	if (ai &&
2589	    !wpas_fst_update_mbie(wpa_s, ai->beacon_ies, ai->beacon_ies_len)) {
2590		wpa_printf(MSG_DEBUG,
2591			   "FST: MB IEs updated from association event Beacon IEs");
2592		return;
2593	}
2594
2595	if (!bss)
2596		return;
2597
2598	ieprb = (const u8 *) (bss + 1);
2599	iebcn = ieprb + bss->ie_len;
2600
2601	if (!wpas_fst_update_mbie(wpa_s, ieprb, bss->ie_len))
2602		wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss IE");
2603	else if (!wpas_fst_update_mbie(wpa_s, iebcn, bss->beacon_ie_len))
2604		wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss beacon IE");
2605#endif /* CONFIG_FST */
2606}
2607
2608
2609static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
2610				       union wpa_event_data *data)
2611{
2612	u8 bssid[ETH_ALEN];
2613	int ft_completed, already_authorized;
2614	int new_bss = 0;
2615
2616#ifdef CONFIG_AP
2617	if (wpa_s->ap_iface) {
2618		if (!data)
2619			return;
2620		hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
2621				    data->assoc_info.addr,
2622				    data->assoc_info.req_ies,
2623				    data->assoc_info.req_ies_len,
2624				    data->assoc_info.reassoc);
2625		return;
2626	}
2627#endif /* CONFIG_AP */
2628
2629	eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
2630
2631	ft_completed = wpa_ft_is_completed(wpa_s->wpa);
2632	if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
2633		return;
2634	/*
2635	 * FILS authentication can share the same mechanism to mark the
2636	 * connection fully authenticated, so set ft_completed also based on
2637	 * FILS result.
2638	 */
2639	if (!ft_completed)
2640		ft_completed = wpa_fils_is_completed(wpa_s->wpa);
2641
2642	if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
2643		wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
2644		wpa_supplicant_deauthenticate(
2645			wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2646		return;
2647	}
2648
2649	wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
2650	if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
2651		wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
2652			MACSTR, MAC2STR(bssid));
2653		new_bss = 1;
2654		random_add_randomness(bssid, ETH_ALEN);
2655		os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
2656		os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
2657		wpas_notify_bssid_changed(wpa_s);
2658
2659		if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
2660			wpa_clear_keys(wpa_s, bssid);
2661		}
2662		if (wpa_supplicant_select_config(wpa_s) < 0) {
2663			wpa_supplicant_deauthenticate(
2664				wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2665			return;
2666		}
2667	}
2668
2669	if (wpa_s->conf->ap_scan == 1 &&
2670	    wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
2671		if (wpa_supplicant_assoc_update_ie(wpa_s) < 0 && new_bss)
2672			wpa_msg(wpa_s, MSG_WARNING,
2673				"WPA/RSN IEs not updated");
2674	}
2675
2676	wpas_fst_update_mb_assoc(wpa_s, data);
2677
2678#ifdef CONFIG_SME
2679	os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
2680	wpa_s->sme.prev_bssid_set = 1;
2681	wpa_s->sme.last_unprot_disconnect.sec = 0;
2682#endif /* CONFIG_SME */
2683
2684	wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
2685	if (wpa_s->current_ssid) {
2686		/* When using scanning (ap_scan=1), SIM PC/SC interface can be
2687		 * initialized before association, but for other modes,
2688		 * initialize PC/SC here, if the current configuration needs
2689		 * smartcard or SIM/USIM. */
2690		wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
2691	}
2692	wpa_sm_notify_assoc(wpa_s->wpa, bssid);
2693	if (wpa_s->l2)
2694		l2_packet_notify_auth_start(wpa_s->l2);
2695
2696	already_authorized = data && data->assoc_info.authorized;
2697
2698	/*
2699	 * Set portEnabled first to FALSE in order to get EAP state machine out
2700	 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
2701	 * state machine may transit to AUTHENTICATING state based on obsolete
2702	 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
2703	 * AUTHENTICATED without ever giving chance to EAP state machine to
2704	 * reset the state.
2705	 */
2706	if (!ft_completed && !already_authorized) {
2707		eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
2708		eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
2709	}
2710	if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
2711	    wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
2712	    wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || ft_completed ||
2713	    already_authorized)
2714		eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
2715	/* 802.1X::portControl = Auto */
2716	eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
2717	wpa_s->eapol_received = 0;
2718	if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
2719	    wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
2720	    (wpa_s->current_ssid &&
2721	     wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
2722		if (wpa_s->current_ssid &&
2723		    wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
2724		    (wpa_s->drv_flags &
2725		     WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
2726			/*
2727			 * Set the key after having received joined-IBSS event
2728			 * from the driver.
2729			 */
2730			wpa_supplicant_set_wpa_none_key(wpa_s,
2731							wpa_s->current_ssid);
2732		}
2733		wpa_supplicant_cancel_auth_timeout(wpa_s);
2734		wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2735	} else if (!ft_completed) {
2736		/* Timeout for receiving the first EAPOL packet */
2737		wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
2738	}
2739	wpa_supplicant_cancel_scan(wpa_s);
2740
2741	if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
2742	    wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
2743		/*
2744		 * We are done; the driver will take care of RSN 4-way
2745		 * handshake.
2746		 */
2747		wpa_supplicant_cancel_auth_timeout(wpa_s);
2748		wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2749		eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2750		eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
2751	} else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
2752		   wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
2753		/*
2754		 * The driver will take care of RSN 4-way handshake, so we need
2755		 * to allow EAPOL supplicant to complete its work without
2756		 * waiting for WPA supplicant.
2757		 */
2758		eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2759	} else if (ft_completed) {
2760		/*
2761		 * FT protocol completed - make sure EAPOL state machine ends
2762		 * up in authenticated.
2763		 */
2764		wpa_supplicant_cancel_auth_timeout(wpa_s);
2765		wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2766		eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2767		eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
2768	}
2769
2770	wpa_s->last_eapol_matches_bssid = 0;
2771
2772	if (wpa_s->pending_eapol_rx) {
2773		struct os_reltime now, age;
2774		os_get_reltime(&now);
2775		os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
2776		if (age.sec == 0 && age.usec < 200000 &&
2777		    os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
2778		    0) {
2779			wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
2780				"frame that was received just before "
2781				"association notification");
2782			wpa_supplicant_rx_eapol(
2783				wpa_s, wpa_s->pending_eapol_rx_src,
2784				wpabuf_head(wpa_s->pending_eapol_rx),
2785				wpabuf_len(wpa_s->pending_eapol_rx));
2786		}
2787		wpabuf_free(wpa_s->pending_eapol_rx);
2788		wpa_s->pending_eapol_rx = NULL;
2789	}
2790
2791	if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
2792	     wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
2793	    wpa_s->current_ssid &&
2794	    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
2795		/* Set static WEP keys again */
2796		wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
2797	}
2798
2799#ifdef CONFIG_IBSS_RSN
2800	if (wpa_s->current_ssid &&
2801	    wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
2802	    wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
2803	    wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
2804	    wpa_s->ibss_rsn == NULL) {
2805		wpa_s->ibss_rsn = ibss_rsn_init(wpa_s, wpa_s->current_ssid);
2806		if (!wpa_s->ibss_rsn) {
2807			wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
2808			wpa_supplicant_deauthenticate(
2809				wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2810			return;
2811		}
2812
2813		ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
2814	}
2815#endif /* CONFIG_IBSS_RSN */
2816
2817	wpas_wps_notify_assoc(wpa_s, bssid);
2818
2819	if (data) {
2820		wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies,
2821				    data->assoc_info.resp_ies_len,
2822				    &data->assoc_info.wmm_params);
2823
2824		if (wpa_s->reassoc_same_bss)
2825			wmm_ac_restore_tspecs(wpa_s);
2826	}
2827
2828#ifdef CONFIG_FILS
2829	if (wpa_key_mgmt_fils(wpa_s->key_mgmt)) {
2830		struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, bssid);
2831		const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);
2832
2833		if (fils_cache_id)
2834			wpa_sm_set_fils_cache_id(wpa_s->wpa, fils_cache_id);
2835	}
2836#endif /* CONFIG_FILS */
2837}
2838
2839
2840static int disconnect_reason_recoverable(u16 reason_code)
2841{
2842	return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
2843		reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
2844		reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
2845}
2846
2847
2848static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
2849					  u16 reason_code,
2850					  int locally_generated)
2851{
2852	const u8 *bssid;
2853
2854	if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2855		/*
2856		 * At least Host AP driver and a Prism3 card seemed to be
2857		 * generating streams of disconnected events when configuring
2858		 * IBSS for WPA-None. Ignore them for now.
2859		 */
2860		return;
2861	}
2862
2863	bssid = wpa_s->bssid;
2864	if (is_zero_ether_addr(bssid))
2865		bssid = wpa_s->pending_bssid;
2866
2867	if (!is_zero_ether_addr(bssid) ||
2868	    wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2869		wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
2870			" reason=%d%s",
2871			MAC2STR(bssid), reason_code,
2872			locally_generated ? " locally_generated=1" : "");
2873	}
2874}
2875
2876
2877static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
2878				 int locally_generated)
2879{
2880	if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
2881	    !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
2882		return 0; /* Not in 4-way handshake with PSK */
2883
2884	/*
2885	 * It looks like connection was lost while trying to go through PSK
2886	 * 4-way handshake. Filter out known disconnection cases that are caused
2887	 * by something else than PSK mismatch to avoid confusing reports.
2888	 */
2889
2890	if (locally_generated) {
2891		if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
2892			return 0;
2893	}
2894
2895	return 1;
2896}
2897
2898
2899static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
2900						 u16 reason_code,
2901						 int locally_generated)
2902{
2903	const u8 *bssid;
2904	int authenticating;
2905	u8 prev_pending_bssid[ETH_ALEN];
2906	struct wpa_bss *fast_reconnect = NULL;
2907	struct wpa_ssid *fast_reconnect_ssid = NULL;
2908	struct wpa_ssid *last_ssid;
2909	struct wpa_bss *curr = NULL;
2910
2911	authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
2912	os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
2913
2914	if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2915		/*
2916		 * At least Host AP driver and a Prism3 card seemed to be
2917		 * generating streams of disconnected events when configuring
2918		 * IBSS for WPA-None. Ignore them for now.
2919		 */
2920		wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in "
2921			"IBSS/WPA-None mode");
2922		return;
2923	}
2924
2925	if (!wpa_s->disconnected && wpa_s->wpa_state >= WPA_AUTHENTICATING &&
2926	    reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY &&
2927	    locally_generated)
2928		/*
2929		 * Remove the inactive AP (which is probably out of range) from
2930		 * the BSS list after marking disassociation. In particular
2931		 * mac80211-based drivers use the
2932		 * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in
2933		 * locally generated disconnection events for cases where the
2934		 * AP does not reply anymore.
2935		 */
2936		curr = wpa_s->current_bss;
2937
2938	if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
2939		wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
2940			"pre-shared key may be incorrect");
2941		if (wpas_p2p_4way_hs_failed(wpa_s) > 0)
2942			return; /* P2P group removed */
2943		wpas_auth_failed(wpa_s, "WRONG_KEY");
2944	}
2945	if (!wpa_s->disconnected &&
2946	    (!wpa_s->auto_reconnect_disabled ||
2947	     wpa_s->key_mgmt == WPA_KEY_MGMT_WPS ||
2948	     wpas_wps_searching(wpa_s) ||
2949	     wpas_wps_reenable_networks_pending(wpa_s))) {
2950		wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
2951			"reconnect (wps=%d/%d wpa_state=%d)",
2952			wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
2953			wpas_wps_searching(wpa_s),
2954			wpa_s->wpa_state);
2955		if (wpa_s->wpa_state == WPA_COMPLETED &&
2956		    wpa_s->current_ssid &&
2957		    wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
2958		    !locally_generated &&
2959		    disconnect_reason_recoverable(reason_code)) {
2960			/*
2961			 * It looks like the AP has dropped association with
2962			 * us, but could allow us to get back in. Try to
2963			 * reconnect to the same BSS without full scan to save
2964			 * time for some common cases.
2965			 */
2966			fast_reconnect = wpa_s->current_bss;
2967			fast_reconnect_ssid = wpa_s->current_ssid;
2968		} else if (wpa_s->wpa_state >= WPA_ASSOCIATING)
2969			wpa_supplicant_req_scan(wpa_s, 0, 100000);
2970		else
2971			wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
2972				"immediate scan");
2973	} else {
2974		wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
2975			"try to re-connect");
2976		wpa_s->reassociate = 0;
2977		wpa_s->disconnected = 1;
2978		if (!wpa_s->pno)
2979			wpa_supplicant_cancel_sched_scan(wpa_s);
2980	}
2981	bssid = wpa_s->bssid;
2982	if (is_zero_ether_addr(bssid))
2983		bssid = wpa_s->pending_bssid;
2984	if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2985		wpas_connection_failed(wpa_s, bssid);
2986	wpa_sm_notify_disassoc(wpa_s->wpa);
2987	if (locally_generated)
2988		wpa_s->disconnect_reason = -reason_code;
2989	else
2990		wpa_s->disconnect_reason = reason_code;
2991	wpas_notify_disconnect_reason(wpa_s);
2992	if (wpa_supplicant_dynamic_keys(wpa_s)) {
2993		wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
2994		wpa_clear_keys(wpa_s, wpa_s->bssid);
2995	}
2996	last_ssid = wpa_s->current_ssid;
2997	wpa_supplicant_mark_disassoc(wpa_s);
2998
2999	if (curr)
3000		wpa_bss_remove(wpa_s, curr, "Connection to AP lost");
3001
3002	if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
3003		sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
3004		wpa_s->current_ssid = last_ssid;
3005	}
3006
3007	if (fast_reconnect &&
3008	    !wpas_network_disabled(wpa_s, fast_reconnect_ssid) &&
3009	    !disallowed_bssid(wpa_s, fast_reconnect->bssid) &&
3010	    !disallowed_ssid(wpa_s, fast_reconnect->ssid,
3011			     fast_reconnect->ssid_len) &&
3012	    !wpas_temp_disabled(wpa_s, fast_reconnect_ssid) &&
3013	    !wpa_is_bss_tmp_disallowed(wpa_s, fast_reconnect->bssid)) {
3014#ifndef CONFIG_NO_SCAN_PROCESSING
3015		wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
3016		if (wpa_supplicant_connect(wpa_s, fast_reconnect,
3017					   fast_reconnect_ssid) < 0) {
3018			/* Recover through full scan */
3019			wpa_supplicant_req_scan(wpa_s, 0, 100000);
3020		}
3021#endif /* CONFIG_NO_SCAN_PROCESSING */
3022	} else if (fast_reconnect) {
3023		/*
3024		 * Could not reconnect to the same BSS due to network being
3025		 * disabled. Use a new scan to match the alternative behavior
3026		 * above, i.e., to continue automatic reconnection attempt in a
3027		 * way that enforces disabled network rules.
3028		 */
3029		wpa_supplicant_req_scan(wpa_s, 0, 100000);
3030	}
3031}
3032
3033
3034#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
3035void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
3036{
3037	struct wpa_supplicant *wpa_s = eloop_ctx;
3038
3039	if (!wpa_s->pending_mic_error_report)
3040		return;
3041
3042	wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
3043	wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
3044	wpa_s->pending_mic_error_report = 0;
3045}
3046#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3047
3048
3049static void
3050wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
3051					 union wpa_event_data *data)
3052{
3053	int pairwise;
3054	struct os_reltime t;
3055
3056	wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
3057	pairwise = (data && data->michael_mic_failure.unicast);
3058	os_get_reltime(&t);
3059	if ((wpa_s->last_michael_mic_error.sec &&
3060	     !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) ||
3061	    wpa_s->pending_mic_error_report) {
3062		if (wpa_s->pending_mic_error_report) {
3063			/*
3064			 * Send the pending MIC error report immediately since
3065			 * we are going to start countermeasures and AP better
3066			 * do the same.
3067			 */
3068			wpa_sm_key_request(wpa_s->wpa, 1,
3069					   wpa_s->pending_mic_error_pairwise);
3070		}
3071
3072		/* Send the new MIC error report immediately since we are going
3073		 * to start countermeasures and AP better do the same.
3074		 */
3075		wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
3076
3077		/* initialize countermeasures */
3078		wpa_s->countermeasures = 1;
3079
3080		wpa_blacklist_add(wpa_s, wpa_s->bssid);
3081
3082		wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
3083
3084		/*
3085		 * Need to wait for completion of request frame. We do not get
3086		 * any callback for the message completion, so just wait a
3087		 * short while and hope for the best. */
3088		os_sleep(0, 10000);
3089
3090		wpa_drv_set_countermeasures(wpa_s, 1);
3091		wpa_supplicant_deauthenticate(wpa_s,
3092					      WLAN_REASON_MICHAEL_MIC_FAILURE);
3093		eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
3094				     wpa_s, NULL);
3095		eloop_register_timeout(60, 0,
3096				       wpa_supplicant_stop_countermeasures,
3097				       wpa_s, NULL);
3098		/* TODO: mark the AP rejected for 60 second. STA is
3099		 * allowed to associate with another AP.. */
3100	} else {
3101#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
3102		if (wpa_s->mic_errors_seen) {
3103			/*
3104			 * Reduce the effectiveness of Michael MIC error
3105			 * reports as a means for attacking against TKIP if
3106			 * more than one MIC failure is noticed with the same
3107			 * PTK. We delay the transmission of the reports by a
3108			 * random time between 0 and 60 seconds in order to
3109			 * force the attacker wait 60 seconds before getting
3110			 * the information on whether a frame resulted in a MIC
3111			 * failure.
3112			 */
3113			u8 rval[4];
3114			int sec;
3115
3116			if (os_get_random(rval, sizeof(rval)) < 0)
3117				sec = os_random() % 60;
3118			else
3119				sec = WPA_GET_BE32(rval) % 60;
3120			wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
3121				"report %d seconds", sec);
3122			wpa_s->pending_mic_error_report = 1;
3123			wpa_s->pending_mic_error_pairwise = pairwise;
3124			eloop_cancel_timeout(
3125				wpa_supplicant_delayed_mic_error_report,
3126				wpa_s, NULL);
3127			eloop_register_timeout(
3128				sec, os_random() % 1000000,
3129				wpa_supplicant_delayed_mic_error_report,
3130				wpa_s, NULL);
3131		} else {
3132			wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
3133		}
3134#else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3135		wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
3136#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3137	}
3138	wpa_s->last_michael_mic_error = t;
3139	wpa_s->mic_errors_seen++;
3140}
3141
3142
3143#ifdef CONFIG_TERMINATE_ONLASTIF
3144static int any_interfaces(struct wpa_supplicant *head)
3145{
3146	struct wpa_supplicant *wpa_s;
3147
3148	for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
3149		if (!wpa_s->interface_removed)
3150			return 1;
3151	return 0;
3152}
3153#endif /* CONFIG_TERMINATE_ONLASTIF */
3154
3155
3156static void
3157wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
3158				      union wpa_event_data *data)
3159{
3160	if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
3161		return;
3162
3163	switch (data->interface_status.ievent) {
3164	case EVENT_INTERFACE_ADDED:
3165		if (!wpa_s->interface_removed)
3166			break;
3167		wpa_s->interface_removed = 0;
3168		wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
3169		if (wpa_supplicant_driver_init(wpa_s) < 0) {
3170			wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
3171				"driver after interface was added");
3172		}
3173
3174#ifdef CONFIG_P2P
3175		if (!wpa_s->global->p2p &&
3176		    !wpa_s->global->p2p_disabled &&
3177		    !wpa_s->conf->p2p_disabled &&
3178		    (wpa_s->drv_flags &
3179		     WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
3180		    wpas_p2p_add_p2pdev_interface(
3181			    wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) {
3182			wpa_printf(MSG_INFO,
3183				   "P2P: Failed to enable P2P Device interface");
3184			/* Try to continue without. P2P will be disabled. */
3185		}
3186#endif /* CONFIG_P2P */
3187
3188		break;
3189	case EVENT_INTERFACE_REMOVED:
3190		wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
3191		wpa_s->interface_removed = 1;
3192		wpa_supplicant_mark_disassoc(wpa_s);
3193		wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
3194		l2_packet_deinit(wpa_s->l2);
3195		wpa_s->l2 = NULL;
3196
3197#ifdef CONFIG_P2P
3198		if (wpa_s->global->p2p &&
3199		    wpa_s->global->p2p_init_wpa_s->parent == wpa_s &&
3200		    (wpa_s->drv_flags &
3201		     WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) {
3202			wpa_dbg(wpa_s, MSG_DEBUG,
3203				"Removing P2P Device interface");
3204			wpa_supplicant_remove_iface(
3205				wpa_s->global, wpa_s->global->p2p_init_wpa_s,
3206				0);
3207			wpa_s->global->p2p_init_wpa_s = NULL;
3208		}
3209#endif /* CONFIG_P2P */
3210
3211#ifdef CONFIG_MATCH_IFACE
3212		if (wpa_s->matched) {
3213			wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
3214			break;
3215		}
3216#endif /* CONFIG_MATCH_IFACE */
3217
3218#ifdef CONFIG_TERMINATE_ONLASTIF
3219		/* check if last interface */
3220		if (!any_interfaces(wpa_s->global->ifaces))
3221			eloop_terminate();
3222#endif /* CONFIG_TERMINATE_ONLASTIF */
3223		break;
3224	}
3225}
3226
3227
3228#ifdef CONFIG_TDLS
3229static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
3230				      union wpa_event_data *data)
3231{
3232	if (data == NULL)
3233		return;
3234	switch (data->tdls.oper) {
3235	case TDLS_REQUEST_SETUP:
3236		wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
3237		if (wpa_tdls_is_external_setup(wpa_s->wpa))
3238			wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
3239		else
3240			wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
3241		break;
3242	case TDLS_REQUEST_TEARDOWN:
3243		if (wpa_tdls_is_external_setup(wpa_s->wpa))
3244			wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
3245					       data->tdls.reason_code);
3246		else
3247			wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN,
3248					  data->tdls.peer);
3249		break;
3250	case TDLS_REQUEST_DISCOVER:
3251			wpa_tdls_send_discovery_request(wpa_s->wpa,
3252							data->tdls.peer);
3253		break;
3254	}
3255}
3256#endif /* CONFIG_TDLS */
3257
3258
3259#ifdef CONFIG_WNM
3260static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
3261				     union wpa_event_data *data)
3262{
3263	if (data == NULL)
3264		return;
3265	switch (data->wnm.oper) {
3266	case WNM_OPER_SLEEP:
3267		wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
3268			   "(action=%d, intval=%d)",
3269			   data->wnm.sleep_action, data->wnm.sleep_intval);
3270		ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
3271					     data->wnm.sleep_intval, NULL);
3272		break;
3273	}
3274}
3275#endif /* CONFIG_WNM */
3276
3277
3278#ifdef CONFIG_IEEE80211R
3279static void
3280wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
3281				 union wpa_event_data *data)
3282{
3283	if (data == NULL)
3284		return;
3285
3286	if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
3287				    data->ft_ies.ies_len,
3288				    data->ft_ies.ft_action,
3289				    data->ft_ies.target_ap,
3290				    data->ft_ies.ric_ies,
3291				    data->ft_ies.ric_ies_len) < 0) {
3292		/* TODO: prevent MLME/driver from trying to associate? */
3293	}
3294}
3295#endif /* CONFIG_IEEE80211R */
3296
3297
3298#ifdef CONFIG_IBSS_RSN
3299static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
3300						union wpa_event_data *data)
3301{
3302	struct wpa_ssid *ssid;
3303	if (wpa_s->wpa_state < WPA_ASSOCIATED)
3304		return;
3305	if (data == NULL)
3306		return;
3307	ssid = wpa_s->current_ssid;
3308	if (ssid == NULL)
3309		return;
3310	if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
3311		return;
3312
3313	ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
3314}
3315
3316
3317static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s,
3318					   union wpa_event_data *data)
3319{
3320	struct wpa_ssid *ssid = wpa_s->current_ssid;
3321
3322	if (ssid == NULL)
3323		return;
3324
3325	/* check if the ssid is correctly configured as IBSS/RSN */
3326	if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
3327		return;
3328
3329	ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame,
3330			     data->rx_mgmt.frame_len);
3331}
3332#endif /* CONFIG_IBSS_RSN */
3333
3334
3335#ifdef CONFIG_IEEE80211R
3336static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
3337			 size_t len)
3338{
3339	const u8 *sta_addr, *target_ap_addr;
3340	u16 status;
3341
3342	wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
3343	if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
3344		return; /* only SME case supported for now */
3345	if (len < 1 + 2 * ETH_ALEN + 2)
3346		return;
3347	if (data[0] != 2)
3348		return; /* Only FT Action Response is supported for now */
3349	sta_addr = data + 1;
3350	target_ap_addr = data + 1 + ETH_ALEN;
3351	status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
3352	wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
3353		MACSTR " TargetAP " MACSTR " status %u",
3354		MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
3355
3356	if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
3357		wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
3358			" in FT Action Response", MAC2STR(sta_addr));
3359		return;
3360	}
3361
3362	if (status) {
3363		wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
3364			"failure (status code %d)", status);
3365		/* TODO: report error to FT code(?) */
3366		return;
3367	}
3368
3369	if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
3370				    len - (1 + 2 * ETH_ALEN + 2), 1,
3371				    target_ap_addr, NULL, 0) < 0)
3372		return;
3373
3374#ifdef CONFIG_SME
3375	{
3376		struct wpa_bss *bss;
3377		bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
3378		if (bss)
3379			wpa_s->sme.freq = bss->freq;
3380		wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
3381		sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
3382			      WLAN_AUTH_FT);
3383	}
3384#endif /* CONFIG_SME */
3385}
3386#endif /* CONFIG_IEEE80211R */
3387
3388
3389static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
3390					       struct unprot_deauth *e)
3391{
3392#ifdef CONFIG_IEEE80211W
3393	wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
3394		   "dropped: " MACSTR " -> " MACSTR
3395		   " (reason code %u)",
3396		   MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3397	sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
3398#endif /* CONFIG_IEEE80211W */
3399}
3400
3401
3402static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
3403						 struct unprot_disassoc *e)
3404{
3405#ifdef CONFIG_IEEE80211W
3406	wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
3407		   "dropped: " MACSTR " -> " MACSTR
3408		   " (reason code %u)",
3409		   MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
3410	sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
3411#endif /* CONFIG_IEEE80211W */
3412}
3413
3414
3415static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
3416				  u16 reason_code, int locally_generated,
3417				  const u8 *ie, size_t ie_len, int deauth)
3418{
3419#ifdef CONFIG_AP
3420	if (wpa_s->ap_iface && addr) {
3421		hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr);
3422		return;
3423	}
3424
3425	if (wpa_s->ap_iface) {
3426		wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode");
3427		return;
3428	}
3429#endif /* CONFIG_AP */
3430
3431	if (!locally_generated)
3432		wpa_s->own_disconnect_req = 0;
3433
3434	wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated);
3435
3436	if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
3437	      ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
3438		(wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
3439	       eapol_sm_failed(wpa_s->eapol))) &&
3440	     !wpa_s->eap_expected_failure))
3441		wpas_auth_failed(wpa_s, "AUTH_FAILED");
3442
3443#ifdef CONFIG_P2P
3444	if (deauth && reason_code > 0) {
3445		if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len,
3446					  locally_generated) > 0) {
3447			/*
3448			 * The interface was removed, so cannot continue
3449			 * processing any additional operations after this.
3450			 */
3451			return;
3452		}
3453	}
3454#endif /* CONFIG_P2P */
3455
3456	wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
3457					     locally_generated);
3458}
3459
3460
3461static void wpas_event_disassoc(struct wpa_supplicant *wpa_s,
3462				struct disassoc_info *info)
3463{
3464	u16 reason_code = 0;
3465	int locally_generated = 0;
3466	const u8 *addr = NULL;
3467	const u8 *ie = NULL;
3468	size_t ie_len = 0;
3469
3470	wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
3471
3472	if (info) {
3473		addr = info->addr;
3474		ie = info->ie;
3475		ie_len = info->ie_len;
3476		reason_code = info->reason_code;
3477		locally_generated = info->locally_generated;
3478		wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", reason_code,
3479			locally_generated ? " (locally generated)" : "");
3480		if (addr)
3481			wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3482				MAC2STR(addr));
3483		wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
3484			    ie, ie_len);
3485	}
3486
3487#ifdef CONFIG_AP
3488	if (wpa_s->ap_iface && info && info->addr) {
3489		hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr);
3490		return;
3491	}
3492
3493	if (wpa_s->ap_iface) {
3494		wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode");
3495		return;
3496	}
3497#endif /* CONFIG_AP */
3498
3499#ifdef CONFIG_P2P
3500	if (info) {
3501		wpas_p2p_disassoc_notif(
3502			wpa_s, info->addr, reason_code, info->ie, info->ie_len,
3503			locally_generated);
3504	}
3505#endif /* CONFIG_P2P */
3506
3507	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3508		sme_event_disassoc(wpa_s, info);
3509
3510	wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated,
3511			      ie, ie_len, 0);
3512}
3513
3514
3515static void wpas_event_deauth(struct wpa_supplicant *wpa_s,
3516			      struct deauth_info *info)
3517{
3518	u16 reason_code = 0;
3519	int locally_generated = 0;
3520	const u8 *addr = NULL;
3521	const u8 *ie = NULL;
3522	size_t ie_len = 0;
3523
3524	wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification");
3525
3526	if (info) {
3527		addr = info->addr;
3528		ie = info->ie;
3529		ie_len = info->ie_len;
3530		reason_code = info->reason_code;
3531		locally_generated = info->locally_generated;
3532		wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
3533			reason_code,
3534			locally_generated ? " (locally generated)" : "");
3535		if (addr) {
3536			wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
3537				MAC2STR(addr));
3538		}
3539		wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)",
3540			    ie, ie_len);
3541	}
3542
3543	wpa_reset_ft_completed(wpa_s->wpa);
3544
3545	wpas_event_disconnect(wpa_s, addr, reason_code,
3546			      locally_generated, ie, ie_len, 1);
3547}
3548
3549
3550static const char * reg_init_str(enum reg_change_initiator init)
3551{
3552	switch (init) {
3553	case REGDOM_SET_BY_CORE:
3554		return "CORE";
3555	case REGDOM_SET_BY_USER:
3556		return "USER";
3557	case REGDOM_SET_BY_DRIVER:
3558		return "DRIVER";
3559	case REGDOM_SET_BY_COUNTRY_IE:
3560		return "COUNTRY_IE";
3561	case REGDOM_BEACON_HINT:
3562		return "BEACON_HINT";
3563	}
3564	return "?";
3565}
3566
3567
3568static const char * reg_type_str(enum reg_type type)
3569{
3570	switch (type) {
3571	case REGDOM_TYPE_UNKNOWN:
3572		return "UNKNOWN";
3573	case REGDOM_TYPE_COUNTRY:
3574		return "COUNTRY";
3575	case REGDOM_TYPE_WORLD:
3576		return "WORLD";
3577	case REGDOM_TYPE_CUSTOM_WORLD:
3578		return "CUSTOM_WORLD";
3579	case REGDOM_TYPE_INTERSECTION:
3580		return "INTERSECTION";
3581	}
3582	return "?";
3583}
3584
3585
3586static void wpa_supplicant_update_channel_list(
3587	struct wpa_supplicant *wpa_s, struct channel_list_changed *info)
3588{
3589	struct wpa_supplicant *ifs;
3590	u8 dfs_domain;
3591
3592	/*
3593	 * To allow backwards compatibility with higher level layers that
3594	 * assumed the REGDOM_CHANGE event is sent over the initially added
3595	 * interface. Find the highest parent of this interface and use it to
3596	 * send the event.
3597	 */
3598	for (ifs = wpa_s; ifs->parent && ifs != ifs->parent; ifs = ifs->parent)
3599		;
3600
3601	wpa_msg(ifs, MSG_INFO, WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s",
3602		reg_init_str(info->initiator), reg_type_str(info->type),
3603		info->alpha2[0] ? " alpha2=" : "",
3604		info->alpha2[0] ? info->alpha2 : "");
3605
3606	if (wpa_s->drv_priv == NULL)
3607		return; /* Ignore event during drv initialization */
3608
3609	dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
3610			 radio_list) {
3611		wpa_printf(MSG_DEBUG, "%s: Updating hw mode",
3612			   ifs->ifname);
3613		free_hw_features(ifs);
3614		ifs->hw.modes = wpa_drv_get_hw_feature_data(
3615			ifs, &ifs->hw.num_modes, &ifs->hw.flags, &dfs_domain);
3616
3617		/* Restart PNO/sched_scan with updated channel list */
3618		if (ifs->pno) {
3619			wpas_stop_pno(ifs);
3620			wpas_start_pno(ifs);
3621		} else if (ifs->sched_scanning && !ifs->pno_sched_pending) {
3622			wpa_dbg(ifs, MSG_DEBUG,
3623				"Channel list changed - restart sched_scan");
3624			wpas_scan_restart_sched_scan(ifs);
3625		}
3626	}
3627
3628	wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER);
3629}
3630
3631
3632static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s,
3633				      const u8 *frame, size_t len, int freq,
3634				      int rssi)
3635{
3636	const struct ieee80211_mgmt *mgmt;
3637	const u8 *payload;
3638	size_t plen;
3639	u8 category;
3640
3641	if (len < IEEE80211_HDRLEN + 2)
3642		return;
3643
3644	mgmt = (const struct ieee80211_mgmt *) frame;
3645	payload = frame + IEEE80211_HDRLEN;
3646	category = *payload++;
3647	plen = len - IEEE80211_HDRLEN - 1;
3648
3649	wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
3650		" Category=%u DataLen=%d freq=%d MHz",
3651		MAC2STR(mgmt->sa), category, (int) plen, freq);
3652
3653	if (category == WLAN_ACTION_WMM) {
3654		wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen);
3655		return;
3656	}
3657
3658#ifdef CONFIG_IEEE80211R
3659	if (category == WLAN_ACTION_FT) {
3660		ft_rx_action(wpa_s, payload, plen);
3661		return;
3662	}
3663#endif /* CONFIG_IEEE80211R */
3664
3665#ifdef CONFIG_IEEE80211W
3666#ifdef CONFIG_SME
3667	if (category == WLAN_ACTION_SA_QUERY) {
3668		sme_sa_query_rx(wpa_s, mgmt->sa, payload, plen);
3669		return;
3670	}
3671#endif /* CONFIG_SME */
3672#endif /* CONFIG_IEEE80211W */
3673
3674#ifdef CONFIG_WNM
3675	if (mgmt->u.action.category == WLAN_ACTION_WNM) {
3676		ieee802_11_rx_wnm_action(wpa_s, mgmt, len);
3677		return;
3678	}
3679#endif /* CONFIG_WNM */
3680
3681#ifdef CONFIG_GAS
3682	if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
3683	     mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
3684	    gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid,
3685			 mgmt->u.action.category,
3686			 payload, plen, freq) == 0)
3687		return;
3688#endif /* CONFIG_GAS */
3689
3690#ifdef CONFIG_GAS_SERVER
3691	if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
3692	     mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
3693	    gas_server_rx(wpa_s->gas_server, mgmt->da, mgmt->sa, mgmt->bssid,
3694			  mgmt->u.action.category,
3695			  payload, plen, freq) == 0)
3696		return;
3697#endif /* CONFIG_GAS_SERVER */
3698
3699#ifdef CONFIG_TDLS
3700	if (category == WLAN_ACTION_PUBLIC && plen >= 4 &&
3701	    payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
3702		wpa_dbg(wpa_s, MSG_DEBUG,
3703			"TDLS: Received Discovery Response from " MACSTR,
3704			MAC2STR(mgmt->sa));
3705		return;
3706	}
3707#endif /* CONFIG_TDLS */
3708
3709#ifdef CONFIG_INTERWORKING
3710	if (category == WLAN_ACTION_QOS && plen >= 1 &&
3711	    payload[0] == QOS_QOS_MAP_CONFIG) {
3712		const u8 *pos = payload + 1;
3713		size_t qlen = plen - 1;
3714		wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from "
3715			MACSTR, MAC2STR(mgmt->sa));
3716		if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) == 0 &&
3717		    qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET &&
3718		    pos[1] <= qlen - 2 && pos[1] >= 16)
3719			wpas_qos_map_set(wpa_s, pos + 2, pos[1]);
3720		return;
3721	}
3722#endif /* CONFIG_INTERWORKING */
3723
3724	if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3725	    payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) {
3726		wpas_rrm_handle_radio_measurement_request(wpa_s, mgmt->sa,
3727							  mgmt->da,
3728							  payload + 1,
3729							  plen - 1);
3730		return;
3731	}
3732
3733	if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3734	    payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) {
3735		wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1);
3736		return;
3737	}
3738
3739	if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
3740	    payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) {
3741		wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa,
3742							 payload + 1, plen - 1,
3743							 rssi);
3744		return;
3745	}
3746
3747#ifdef CONFIG_FST
3748	if (mgmt->u.action.category == WLAN_ACTION_FST && wpa_s->fst) {
3749		fst_rx_action(wpa_s->fst, mgmt, len);
3750		return;
3751	}
3752#endif /* CONFIG_FST */
3753
3754#ifdef CONFIG_DPP
3755	if (category == WLAN_ACTION_PUBLIC && plen >= 5 &&
3756	    payload[0] == WLAN_PA_VENDOR_SPECIFIC &&
3757	    WPA_GET_BE24(&payload[1]) == OUI_WFA &&
3758	    payload[4] == DPP_OUI_TYPE) {
3759		payload++;
3760		plen--;
3761		wpas_dpp_rx_action(wpa_s, mgmt->sa, payload, plen, freq);
3762		return;
3763	}
3764#endif /* CONFIG_DPP */
3765
3766	wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
3767			   category, payload, plen, freq);
3768	if (wpa_s->ifmsh)
3769		mesh_mpm_action_rx(wpa_s, mgmt, len);
3770}
3771
3772
3773static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s,
3774					     union wpa_event_data *event)
3775{
3776	struct wpa_freq_range_list *list;
3777	char *str = NULL;
3778
3779	list = &event->freq_range;
3780
3781	if (list->num)
3782		str = freq_range_list_str(list);
3783	wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s",
3784		str ? str : "");
3785
3786#ifdef CONFIG_P2P
3787	if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) {
3788		wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range",
3789			__func__);
3790	} else {
3791		wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event");
3792
3793		/*
3794		 * The update channel flow will also take care of moving a GO
3795		 * from the unsafe frequency if needed.
3796		 */
3797		wpas_p2p_update_channel_list(wpa_s,
3798					     WPAS_P2P_CHANNEL_UPDATE_AVOID);
3799	}
3800#endif /* CONFIG_P2P */
3801
3802	os_free(str);
3803}
3804
3805
3806static void wpa_supplicant_event_port_authorized(struct wpa_supplicant *wpa_s)
3807{
3808	if (wpa_s->wpa_state == WPA_ASSOCIATED) {
3809		wpa_supplicant_cancel_auth_timeout(wpa_s);
3810		wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
3811		eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
3812		eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
3813	}
3814}
3815
3816
3817static unsigned int wpas_event_cac_ms(const struct wpa_supplicant *wpa_s,
3818				      int freq)
3819{
3820	size_t i;
3821	int j;
3822
3823	for (i = 0; i < wpa_s->hw.num_modes; i++) {
3824		const struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i];
3825
3826		for (j = 0; j < mode->num_channels; j++) {
3827			const struct hostapd_channel_data *chan;
3828
3829			chan = &mode->channels[j];
3830			if (chan->freq == freq)
3831				return chan->dfs_cac_ms;
3832		}
3833	}
3834
3835	return 0;
3836}
3837
3838
3839static void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
3840				       struct dfs_event *radar)
3841{
3842#if defined(NEED_AP_MLME) && defined(CONFIG_AP)
3843	if (wpa_s->ap_iface) {
3844		wpas_ap_event_dfs_cac_started(wpa_s, radar);
3845	} else
3846#endif /* NEED_AP_MLME && CONFIG_AP */
3847	{
3848		unsigned int cac_time = wpas_event_cac_ms(wpa_s, radar->freq);
3849
3850		cac_time /= 1000; /* convert from ms to sec */
3851		if (!cac_time)
3852			cac_time = 10 * 60; /* max timeout: 10 minutes */
3853
3854		/* Restart auth timeout: CAC time added to initial timeout */
3855		wpas_auth_timeout_restart(wpa_s, cac_time);
3856	}
3857}
3858
3859
3860static void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
3861					struct dfs_event *radar)
3862{
3863#if defined(NEED_AP_MLME) && defined(CONFIG_AP)
3864	if (wpa_s->ap_iface) {
3865		wpas_ap_event_dfs_cac_finished(wpa_s, radar);
3866	} else
3867#endif /* NEED_AP_MLME && CONFIG_AP */
3868	{
3869		/* Restart auth timeout with original value after CAC is
3870		 * finished */
3871		wpas_auth_timeout_restart(wpa_s, 0);
3872	}
3873}
3874
3875
3876static void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
3877				       struct dfs_event *radar)
3878{
3879#if defined(NEED_AP_MLME) && defined(CONFIG_AP)
3880	if (wpa_s->ap_iface) {
3881		wpas_ap_event_dfs_cac_aborted(wpa_s, radar);
3882	} else
3883#endif /* NEED_AP_MLME && CONFIG_AP */
3884	{
3885		/* Restart auth timeout with original value after CAC is
3886		 * aborted */
3887		wpas_auth_timeout_restart(wpa_s, 0);
3888	}
3889}
3890
3891
3892static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s,
3893					    union wpa_event_data *data)
3894{
3895	wpa_dbg(wpa_s, MSG_DEBUG,
3896		"Connection authorized by device, previous state %d",
3897		wpa_s->wpa_state);
3898
3899	wpa_supplicant_event_port_authorized(wpa_s);
3900
3901	wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr);
3902	wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck,
3903			       data->assoc_info.ptk_kck_len,
3904			       data->assoc_info.ptk_kek,
3905			       data->assoc_info.ptk_kek_len);
3906#ifdef CONFIG_FILS
3907	if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) {
3908		struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
3909		const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);
3910
3911		/* Update ERP next sequence number */
3912		eapol_sm_update_erp_next_seq_num(
3913			wpa_s->eapol, data->assoc_info.fils_erp_next_seq_num);
3914
3915		if (data->assoc_info.fils_pmk && data->assoc_info.fils_pmkid) {
3916			/* Add the new PMK and PMKID to the PMKSA cache */
3917			wpa_sm_pmksa_cache_add(wpa_s->wpa,
3918					       data->assoc_info.fils_pmk,
3919					       data->assoc_info.fils_pmk_len,
3920					       data->assoc_info.fils_pmkid,
3921					       wpa_s->bssid, fils_cache_id);
3922		} else if (data->assoc_info.fils_pmkid) {
3923			/* Update the current PMKSA used for this connection */
3924			pmksa_cache_set_current(wpa_s->wpa,
3925						data->assoc_info.fils_pmkid,
3926						NULL, NULL, 0, NULL, 0);
3927		}
3928	}
3929#endif /* CONFIG_FILS */
3930}
3931
3932
3933static void wpas_event_assoc_reject(struct wpa_supplicant *wpa_s,
3934				    union wpa_event_data *data)
3935{
3936	const u8 *bssid = data->assoc_reject.bssid;
3937
3938	if (!bssid || is_zero_ether_addr(bssid))
3939		bssid = wpa_s->pending_bssid;
3940
3941	if (data->assoc_reject.bssid)
3942		wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
3943			"bssid=" MACSTR	" status_code=%u%s%s%s",
3944			MAC2STR(data->assoc_reject.bssid),
3945			data->assoc_reject.status_code,
3946			data->assoc_reject.timed_out ? " timeout" : "",
3947			data->assoc_reject.timeout_reason ? "=" : "",
3948			data->assoc_reject.timeout_reason ?
3949			data->assoc_reject.timeout_reason : "");
3950	else
3951		wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
3952			"status_code=%u%s%s%s",
3953			data->assoc_reject.status_code,
3954			data->assoc_reject.timed_out ? " timeout" : "",
3955			data->assoc_reject.timeout_reason ? "=" : "",
3956			data->assoc_reject.timeout_reason ?
3957			data->assoc_reject.timeout_reason : "");
3958	wpa_s->assoc_status_code = data->assoc_reject.status_code;
3959	wpas_notify_assoc_status_code(wpa_s);
3960
3961#ifdef CONFIG_OWE
3962	if (data->assoc_reject.status_code ==
3963	    WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED &&
3964	    wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
3965	    wpa_s->current_ssid &&
3966	    wpa_s->current_ssid->owe_group == 0 &&
3967	    wpa_s->last_owe_group != 21) {
3968		struct wpa_ssid *ssid = wpa_s->current_ssid;
3969		struct wpa_bss *bss = wpa_s->current_bss;
3970
3971		if (!bss) {
3972			bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
3973			if (!bss) {
3974				wpas_connection_failed(wpa_s, bssid);
3975				wpa_supplicant_mark_disassoc(wpa_s);
3976				return;
3977			}
3978		}
3979		wpa_printf(MSG_DEBUG, "OWE: Try next supported DH group");
3980		wpas_connect_work_done(wpa_s);
3981		wpa_supplicant_mark_disassoc(wpa_s);
3982		wpa_supplicant_connect(wpa_s, bss, ssid);
3983		return;
3984	}
3985#endif /* CONFIG_OWE */
3986
3987	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
3988		sme_event_assoc_reject(wpa_s, data);
3989		return;
3990	}
3991
3992	/* Driver-based SME cases */
3993
3994#ifdef CONFIG_SAE
3995	if (wpa_s->current_ssid &&
3996	    wpa_key_mgmt_sae(wpa_s->current_ssid->key_mgmt) &&
3997	    !data->assoc_reject.timed_out) {
3998		wpa_dbg(wpa_s, MSG_DEBUG, "SAE: Drop PMKSA cache entry");
3999		wpa_sm_aborted_cached(wpa_s->wpa);
4000		wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid);
4001	}
4002#endif /* CONFIG_SAE */
4003
4004#ifdef CONFIG_DPP
4005	if (wpa_s->current_ssid &&
4006	    wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_DPP &&
4007	    !data->assoc_reject.timed_out) {
4008		wpa_dbg(wpa_s, MSG_DEBUG, "DPP: Drop PMKSA cache entry");
4009		wpa_sm_aborted_cached(wpa_s->wpa);
4010		wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid);
4011	}
4012#endif /* CONFIG_DPP */
4013
4014#ifdef CONFIG_FILS
4015	/* Update ERP next sequence number */
4016	if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) {
4017		eapol_sm_update_erp_next_seq_num(
4018			wpa_s->eapol,
4019			data->assoc_reject.fils_erp_next_seq_num);
4020		fils_connection_failure(wpa_s);
4021	}
4022#endif /* CONFIG_FILS */
4023
4024	wpas_connection_failed(wpa_s, bssid);
4025	wpa_supplicant_mark_disassoc(wpa_s);
4026}
4027
4028
4029void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
4030			  union wpa_event_data *data)
4031{
4032	struct wpa_supplicant *wpa_s = ctx;
4033	int resched;
4034#ifndef CONFIG_NO_STDOUT_DEBUG
4035	int level = MSG_DEBUG;
4036#endif /* CONFIG_NO_STDOUT_DEBUG */
4037
4038	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
4039	    event != EVENT_INTERFACE_ENABLED &&
4040	    event != EVENT_INTERFACE_STATUS &&
4041	    event != EVENT_SCAN_RESULTS &&
4042	    event != EVENT_SCHED_SCAN_STOPPED) {
4043		wpa_dbg(wpa_s, MSG_DEBUG,
4044			"Ignore event %s (%d) while interface is disabled",
4045			event_to_string(event), event);
4046		return;
4047	}
4048
4049#ifndef CONFIG_NO_STDOUT_DEBUG
4050	if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
4051		const struct ieee80211_hdr *hdr;
4052		u16 fc;
4053		hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
4054		fc = le_to_host16(hdr->frame_control);
4055		if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
4056		    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
4057			level = MSG_EXCESSIVE;
4058	}
4059
4060	wpa_dbg(wpa_s, level, "Event %s (%d) received",
4061		event_to_string(event), event);
4062#endif /* CONFIG_NO_STDOUT_DEBUG */
4063
4064	switch (event) {
4065	case EVENT_AUTH:
4066#ifdef CONFIG_FST
4067		if (!wpas_fst_update_mbie(wpa_s, data->auth.ies,
4068					  data->auth.ies_len))
4069			wpa_printf(MSG_DEBUG,
4070				   "FST: MB IEs updated from auth IE");
4071#endif /* CONFIG_FST */
4072		sme_event_auth(wpa_s, data);
4073		break;
4074	case EVENT_ASSOC:
4075#ifdef CONFIG_TESTING_OPTIONS
4076		if (wpa_s->ignore_auth_resp) {
4077			wpa_printf(MSG_INFO,
4078				   "EVENT_ASSOC - ignore_auth_resp active!");
4079			break;
4080		}
4081		if (wpa_s->testing_resend_assoc) {
4082			wpa_printf(MSG_INFO,
4083				   "EVENT_DEAUTH - testing_resend_assoc");
4084			break;
4085		}
4086#endif /* CONFIG_TESTING_OPTIONS */
4087		wpa_supplicant_event_assoc(wpa_s, data);
4088		wpa_s->assoc_status_code = WLAN_STATUS_SUCCESS;
4089		if (data &&
4090		    (data->assoc_info.authorized ||
4091		     (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
4092		      wpa_fils_is_completed(wpa_s->wpa))))
4093			wpa_supplicant_event_assoc_auth(wpa_s, data);
4094		if (data) {
4095			wpa_msg(wpa_s, MSG_INFO,
4096				WPA_EVENT_SUBNET_STATUS_UPDATE "status=%u",
4097				data->assoc_info.subnet_status);
4098		}
4099		break;
4100	case EVENT_DISASSOC:
4101		wpas_event_disassoc(wpa_s,
4102				    data ? &data->disassoc_info : NULL);
4103		break;
4104	case EVENT_DEAUTH:
4105#ifdef CONFIG_TESTING_OPTIONS
4106		if (wpa_s->ignore_auth_resp) {
4107			wpa_printf(MSG_INFO,
4108				   "EVENT_DEAUTH - ignore_auth_resp active!");
4109			break;
4110		}
4111		if (wpa_s->testing_resend_assoc) {
4112			wpa_printf(MSG_INFO,
4113				   "EVENT_DEAUTH - testing_resend_assoc");
4114			break;
4115		}
4116#endif /* CONFIG_TESTING_OPTIONS */
4117		wpas_event_deauth(wpa_s,
4118				  data ? &data->deauth_info : NULL);
4119		break;
4120	case EVENT_MICHAEL_MIC_FAILURE:
4121		wpa_supplicant_event_michael_mic_failure(wpa_s, data);
4122		break;
4123#ifndef CONFIG_NO_SCAN_PROCESSING
4124	case EVENT_SCAN_STARTED:
4125		if (wpa_s->own_scan_requested ||
4126		    (data && !data->scan_info.external_scan)) {
4127			struct os_reltime diff;
4128
4129			os_get_reltime(&wpa_s->scan_start_time);
4130			os_reltime_sub(&wpa_s->scan_start_time,
4131				       &wpa_s->scan_trigger_time, &diff);
4132			wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %jd.%06ld seconds",
4133				(intmax_t)diff.sec, (long)diff.usec);
4134			wpa_s->own_scan_requested = 0;
4135			wpa_s->own_scan_running = 1;
4136			if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
4137			    wpa_s->manual_scan_use_id) {
4138				wpa_msg_ctrl(wpa_s, MSG_INFO,
4139					     WPA_EVENT_SCAN_STARTED "id=%u",
4140					     wpa_s->manual_scan_id);
4141			} else {
4142				wpa_msg_ctrl(wpa_s, MSG_INFO,
4143					     WPA_EVENT_SCAN_STARTED);
4144			}
4145		} else {
4146			wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan");
4147			wpa_s->radio->external_scan_running = 1;
4148			wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED);
4149		}
4150		break;
4151	case EVENT_SCAN_RESULTS:
4152		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4153			wpa_s->scan_res_handler = NULL;
4154			wpa_s->own_scan_running = 0;
4155			wpa_s->radio->external_scan_running = 0;
4156			wpa_s->last_scan_req = NORMAL_SCAN_REQ;
4157			break;
4158		}
4159
4160		if (!(data && data->scan_info.external_scan) &&
4161		    os_reltime_initialized(&wpa_s->scan_start_time)) {
4162			struct os_reltime now, diff;
4163			os_get_reltime(&now);
4164			os_reltime_sub(&now, &wpa_s->scan_start_time, &diff);
4165			wpa_s->scan_start_time.sec = 0;
4166			wpa_s->scan_start_time.usec = 0;
4167			wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %jd.%06ld seconds",
4168				(intmax_t)diff.sec, (long)diff.usec);
4169		}
4170		if (wpa_supplicant_event_scan_results(wpa_s, data))
4171			break; /* interface may have been removed */
4172		if (!(data && data->scan_info.external_scan))
4173			wpa_s->own_scan_running = 0;
4174		if (data && data->scan_info.nl_scan_event)
4175			wpa_s->radio->external_scan_running = 0;
4176		radio_work_check_next(wpa_s);
4177		break;
4178#endif /* CONFIG_NO_SCAN_PROCESSING */
4179	case EVENT_ASSOCINFO:
4180		wpa_supplicant_event_associnfo(wpa_s, data);
4181		break;
4182	case EVENT_INTERFACE_STATUS:
4183		wpa_supplicant_event_interface_status(wpa_s, data);
4184		break;
4185	case EVENT_PMKID_CANDIDATE:
4186		wpa_supplicant_event_pmkid_candidate(wpa_s, data);
4187		break;
4188#ifdef CONFIG_TDLS
4189	case EVENT_TDLS:
4190		wpa_supplicant_event_tdls(wpa_s, data);
4191		break;
4192#endif /* CONFIG_TDLS */
4193#ifdef CONFIG_WNM
4194	case EVENT_WNM:
4195		wpa_supplicant_event_wnm(wpa_s, data);
4196		break;
4197#endif /* CONFIG_WNM */
4198#ifdef CONFIG_IEEE80211R
4199	case EVENT_FT_RESPONSE:
4200		wpa_supplicant_event_ft_response(wpa_s, data);
4201		break;
4202#endif /* CONFIG_IEEE80211R */
4203#ifdef CONFIG_IBSS_RSN
4204	case EVENT_IBSS_RSN_START:
4205		wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
4206		break;
4207#endif /* CONFIG_IBSS_RSN */
4208	case EVENT_ASSOC_REJECT:
4209		wpas_event_assoc_reject(wpa_s, data);
4210		break;
4211	case EVENT_AUTH_TIMED_OUT:
4212		/* It is possible to get this event from earlier connection */
4213		if (wpa_s->current_ssid &&
4214		    wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
4215			wpa_dbg(wpa_s, MSG_DEBUG,
4216				"Ignore AUTH_TIMED_OUT in mesh configuration");
4217			break;
4218		}
4219		if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
4220			sme_event_auth_timed_out(wpa_s, data);
4221		break;
4222	case EVENT_ASSOC_TIMED_OUT:
4223		/* It is possible to get this event from earlier connection */
4224		if (wpa_s->current_ssid &&
4225		    wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
4226			wpa_dbg(wpa_s, MSG_DEBUG,
4227				"Ignore ASSOC_TIMED_OUT in mesh configuration");
4228			break;
4229		}
4230		if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
4231			sme_event_assoc_timed_out(wpa_s, data);
4232		break;
4233	case EVENT_TX_STATUS:
4234		wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
4235			" type=%d stype=%d",
4236			MAC2STR(data->tx_status.dst),
4237			data->tx_status.type, data->tx_status.stype);
4238#ifdef CONFIG_AP
4239		if (wpa_s->ap_iface == NULL) {
4240#ifdef CONFIG_OFFCHANNEL
4241			if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
4242			    data->tx_status.stype == WLAN_FC_STYPE_ACTION)
4243				offchannel_send_action_tx_status(
4244					wpa_s, data->tx_status.dst,
4245					data->tx_status.data,
4246					data->tx_status.data_len,
4247					data->tx_status.ack ?
4248					OFFCHANNEL_SEND_ACTION_SUCCESS :
4249					OFFCHANNEL_SEND_ACTION_NO_ACK);
4250#endif /* CONFIG_OFFCHANNEL */
4251			break;
4252		}
4253#endif /* CONFIG_AP */
4254#ifdef CONFIG_OFFCHANNEL
4255		wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
4256			MACSTR, MAC2STR(wpa_s->p2pdev->pending_action_dst));
4257		/*
4258		 * Catch TX status events for Action frames we sent via group
4259		 * interface in GO mode, or via standalone AP interface.
4260		 * Note, wpa_s->p2pdev will be the same as wpa_s->parent,
4261		 * except when the primary interface is used as a GO interface
4262		 * (for drivers which do not have group interface concurrency)
4263		 */
4264		if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
4265		    data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
4266		    os_memcmp(wpa_s->p2pdev->pending_action_dst,
4267			      data->tx_status.dst, ETH_ALEN) == 0) {
4268			offchannel_send_action_tx_status(
4269				wpa_s->p2pdev, data->tx_status.dst,
4270				data->tx_status.data,
4271				data->tx_status.data_len,
4272				data->tx_status.ack ?
4273				OFFCHANNEL_SEND_ACTION_SUCCESS :
4274				OFFCHANNEL_SEND_ACTION_NO_ACK);
4275			break;
4276		}
4277#endif /* CONFIG_OFFCHANNEL */
4278#ifdef CONFIG_AP
4279		switch (data->tx_status.type) {
4280		case WLAN_FC_TYPE_MGMT:
4281			ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
4282				      data->tx_status.data_len,
4283				      data->tx_status.stype,
4284				      data->tx_status.ack);
4285			break;
4286		case WLAN_FC_TYPE_DATA:
4287			ap_tx_status(wpa_s, data->tx_status.dst,
4288				     data->tx_status.data,
4289				     data->tx_status.data_len,
4290				     data->tx_status.ack);
4291			break;
4292		}
4293#endif /* CONFIG_AP */
4294		break;
4295#ifdef CONFIG_AP
4296	case EVENT_EAPOL_TX_STATUS:
4297		ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
4298				   data->eapol_tx_status.data,
4299				   data->eapol_tx_status.data_len,
4300				   data->eapol_tx_status.ack);
4301		break;
4302	case EVENT_DRIVER_CLIENT_POLL_OK:
4303		ap_client_poll_ok(wpa_s, data->client_poll.addr);
4304		break;
4305	case EVENT_RX_FROM_UNKNOWN:
4306		if (wpa_s->ap_iface == NULL)
4307			break;
4308		ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
4309				       data->rx_from_unknown.wds);
4310		break;
4311#endif /* CONFIG_AP */
4312	case EVENT_CH_SWITCH:
4313		if (!data || !wpa_s->current_ssid)
4314			break;
4315
4316		wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CHANNEL_SWITCH
4317			"freq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
4318			data->ch_switch.freq,
4319			data->ch_switch.ht_enabled,
4320			data->ch_switch.ch_offset,
4321			channel_width_to_string(data->ch_switch.ch_width),
4322			data->ch_switch.cf1,
4323			data->ch_switch.cf2);
4324
4325		wpa_s->assoc_freq = data->ch_switch.freq;
4326		wpa_s->current_ssid->frequency = data->ch_switch.freq;
4327
4328#ifdef CONFIG_AP
4329		if (wpa_s->current_ssid->mode == WPAS_MODE_AP ||
4330		    wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO ||
4331		    wpa_s->current_ssid->mode ==
4332		    WPAS_MODE_P2P_GROUP_FORMATION) {
4333			wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
4334					  data->ch_switch.ht_enabled,
4335					  data->ch_switch.ch_offset,
4336					  data->ch_switch.ch_width,
4337					  data->ch_switch.cf1,
4338					  data->ch_switch.cf2);
4339		}
4340#endif /* CONFIG_AP */
4341
4342		wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_CS);
4343		wnm_clear_coloc_intf_reporting(wpa_s);
4344		break;
4345#ifdef CONFIG_AP
4346#ifdef NEED_AP_MLME
4347	case EVENT_DFS_RADAR_DETECTED:
4348		if (data)
4349			wpas_ap_event_dfs_radar_detected(wpa_s,
4350							 &data->dfs_event);
4351		break;
4352	case EVENT_DFS_NOP_FINISHED:
4353		if (data)
4354			wpas_ap_event_dfs_cac_nop_finished(wpa_s,
4355							   &data->dfs_event);
4356		break;
4357#endif /* NEED_AP_MLME */
4358#endif /* CONFIG_AP */
4359	case EVENT_DFS_CAC_STARTED:
4360		if (data)
4361			wpas_event_dfs_cac_started(wpa_s, &data->dfs_event);
4362		break;
4363	case EVENT_DFS_CAC_FINISHED:
4364		if (data)
4365			wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event);
4366		break;
4367	case EVENT_DFS_CAC_ABORTED:
4368		if (data)
4369			wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event);
4370		break;
4371	case EVENT_RX_MGMT: {
4372		u16 fc, stype;
4373		const struct ieee80211_mgmt *mgmt;
4374
4375#ifdef CONFIG_TESTING_OPTIONS
4376		if (wpa_s->ext_mgmt_frame_handling) {
4377			struct rx_mgmt *rx = &data->rx_mgmt;
4378			size_t hex_len = 2 * rx->frame_len + 1;
4379			char *hex = os_malloc(hex_len);
4380			if (hex) {
4381				wpa_snprintf_hex(hex, hex_len,
4382						 rx->frame, rx->frame_len);
4383				wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s",
4384					rx->freq, rx->datarate, rx->ssi_signal,
4385					hex);
4386				os_free(hex);
4387			}
4388			break;
4389		}
4390#endif /* CONFIG_TESTING_OPTIONS */
4391
4392		mgmt = (const struct ieee80211_mgmt *)
4393			data->rx_mgmt.frame;
4394		fc = le_to_host16(mgmt->frame_control);
4395		stype = WLAN_FC_GET_STYPE(fc);
4396
4397#ifdef CONFIG_AP
4398		if (wpa_s->ap_iface == NULL) {
4399#endif /* CONFIG_AP */
4400#ifdef CONFIG_P2P
4401			if (stype == WLAN_FC_STYPE_PROBE_REQ &&
4402			    data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
4403				const u8 *src = mgmt->sa;
4404				const u8 *ie;
4405				size_t ie_len;
4406
4407				ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
4408				ie_len = data->rx_mgmt.frame_len -
4409					IEEE80211_HDRLEN;
4410				wpas_p2p_probe_req_rx(
4411					wpa_s, src, mgmt->da,
4412					mgmt->bssid, ie, ie_len,
4413					data->rx_mgmt.freq,
4414					data->rx_mgmt.ssi_signal);
4415				break;
4416			}
4417#endif /* CONFIG_P2P */
4418#ifdef CONFIG_IBSS_RSN
4419			if (wpa_s->current_ssid &&
4420			    wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
4421			    stype == WLAN_FC_STYPE_AUTH &&
4422			    data->rx_mgmt.frame_len >= 30) {
4423				wpa_supplicant_event_ibss_auth(wpa_s, data);
4424				break;
4425			}
4426#endif /* CONFIG_IBSS_RSN */
4427
4428			if (stype == WLAN_FC_STYPE_ACTION) {
4429				wpas_event_rx_mgmt_action(
4430					wpa_s, data->rx_mgmt.frame,
4431					data->rx_mgmt.frame_len,
4432					data->rx_mgmt.freq,
4433					data->rx_mgmt.ssi_signal);
4434				break;
4435			}
4436
4437			if (wpa_s->ifmsh) {
4438				mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt);
4439				break;
4440			}
4441
4442#ifdef CONFIG_SAE
4443			if (stype == WLAN_FC_STYPE_AUTH &&
4444			    !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
4445			    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) {
4446				sme_external_auth_mgmt_rx(
4447					wpa_s, data->rx_mgmt.frame,
4448					data->rx_mgmt.frame_len);
4449				break;
4450			}
4451#endif /* CONFIG_SAE */
4452			wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
4453				"management frame in non-AP mode");
4454			break;
4455#ifdef CONFIG_AP
4456		}
4457
4458		if (stype == WLAN_FC_STYPE_PROBE_REQ &&
4459		    data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
4460			const u8 *ie;
4461			size_t ie_len;
4462
4463			ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
4464			ie_len = data->rx_mgmt.frame_len - IEEE80211_HDRLEN;
4465
4466			wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
4467					 mgmt->bssid, ie, ie_len,
4468					 data->rx_mgmt.ssi_signal);
4469		}
4470
4471		ap_mgmt_rx(wpa_s, &data->rx_mgmt);
4472#endif /* CONFIG_AP */
4473		break;
4474		}
4475	case EVENT_RX_PROBE_REQ:
4476		if (data->rx_probe_req.sa == NULL ||
4477		    data->rx_probe_req.ie == NULL)
4478			break;
4479#ifdef CONFIG_AP
4480		if (wpa_s->ap_iface) {
4481			hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
4482					     data->rx_probe_req.sa,
4483					     data->rx_probe_req.da,
4484					     data->rx_probe_req.bssid,
4485					     data->rx_probe_req.ie,
4486					     data->rx_probe_req.ie_len,
4487					     data->rx_probe_req.ssi_signal);
4488			break;
4489		}
4490#endif /* CONFIG_AP */
4491		wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
4492				      data->rx_probe_req.da,
4493				      data->rx_probe_req.bssid,
4494				      data->rx_probe_req.ie,
4495				      data->rx_probe_req.ie_len,
4496				      0,
4497				      data->rx_probe_req.ssi_signal);
4498		break;
4499	case EVENT_REMAIN_ON_CHANNEL:
4500#ifdef CONFIG_OFFCHANNEL
4501		offchannel_remain_on_channel_cb(
4502			wpa_s, data->remain_on_channel.freq,
4503			data->remain_on_channel.duration);
4504#endif /* CONFIG_OFFCHANNEL */
4505		wpas_p2p_remain_on_channel_cb(
4506			wpa_s, data->remain_on_channel.freq,
4507			data->remain_on_channel.duration);
4508		break;
4509	case EVENT_CANCEL_REMAIN_ON_CHANNEL:
4510#ifdef CONFIG_OFFCHANNEL
4511		offchannel_cancel_remain_on_channel_cb(
4512			wpa_s, data->remain_on_channel.freq);
4513#endif /* CONFIG_OFFCHANNEL */
4514		wpas_p2p_cancel_remain_on_channel_cb(
4515			wpa_s, data->remain_on_channel.freq);
4516#ifdef CONFIG_DPP
4517		wpas_dpp_cancel_remain_on_channel_cb(
4518			wpa_s, data->remain_on_channel.freq);
4519#endif /* CONFIG_DPP */
4520		break;
4521	case EVENT_EAPOL_RX:
4522		wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
4523					data->eapol_rx.data,
4524					data->eapol_rx.data_len);
4525		break;
4526	case EVENT_SIGNAL_CHANGE:
4527		wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE
4528			"above=%d signal=%d noise=%d txrate=%d",
4529			data->signal_change.above_threshold,
4530			data->signal_change.current_signal,
4531			data->signal_change.current_noise,
4532			data->signal_change.current_txrate);
4533		wpa_bss_update_level(wpa_s->current_bss,
4534				     data->signal_change.current_signal);
4535		bgscan_notify_signal_change(
4536			wpa_s, data->signal_change.above_threshold,
4537			data->signal_change.current_signal,
4538			data->signal_change.current_noise,
4539			data->signal_change.current_txrate);
4540		break;
4541	case EVENT_INTERFACE_MAC_CHANGED:
4542		wpa_supplicant_update_mac_addr(wpa_s);
4543		break;
4544	case EVENT_INTERFACE_ENABLED:
4545		wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
4546		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4547			wpa_supplicant_update_mac_addr(wpa_s);
4548			if (wpa_s->p2p_mgmt) {
4549				wpa_supplicant_set_state(wpa_s,
4550							 WPA_DISCONNECTED);
4551				break;
4552			}
4553
4554#ifdef CONFIG_AP
4555			if (!wpa_s->ap_iface) {
4556				wpa_supplicant_set_state(wpa_s,
4557							 WPA_DISCONNECTED);
4558				wpa_s->scan_req = NORMAL_SCAN_REQ;
4559				wpa_supplicant_req_scan(wpa_s, 0, 0);
4560			} else
4561				wpa_supplicant_set_state(wpa_s,
4562							 WPA_COMPLETED);
4563#else /* CONFIG_AP */
4564			wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
4565			wpa_supplicant_req_scan(wpa_s, 0, 0);
4566#endif /* CONFIG_AP */
4567		}
4568		break;
4569	case EVENT_INTERFACE_DISABLED:
4570		wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
4571#ifdef CONFIG_P2P
4572		if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
4573		    (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group &&
4574		     wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) {
4575			/*
4576			 * Mark interface disabled if this happens to end up not
4577			 * being removed as a separate P2P group interface.
4578			 */
4579			wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
4580			/*
4581			 * The interface was externally disabled. Remove
4582			 * it assuming an external entity will start a
4583			 * new session if needed.
4584			 */
4585			if (wpa_s->current_ssid &&
4586			    wpa_s->current_ssid->p2p_group)
4587				wpas_p2p_interface_unavailable(wpa_s);
4588			else
4589				wpas_p2p_disconnect(wpa_s);
4590			/*
4591			 * wpa_s instance may have been freed, so must not use
4592			 * it here anymore.
4593			 */
4594			break;
4595		}
4596		if (wpa_s->p2p_scan_work && wpa_s->global->p2p &&
4597		    p2p_in_progress(wpa_s->global->p2p) > 1) {
4598			/* This radio work will be cancelled, so clear P2P
4599			 * state as well.
4600			 */
4601			p2p_stop_find(wpa_s->global->p2p);
4602		}
4603#endif /* CONFIG_P2P */
4604
4605		if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
4606			/*
4607			 * Indicate disconnection to keep ctrl_iface events
4608			 * consistent.
4609			 */
4610			wpa_supplicant_event_disassoc(
4611				wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1);
4612		}
4613		wpa_supplicant_mark_disassoc(wpa_s);
4614		wpa_bss_flush(wpa_s);
4615		radio_remove_works(wpa_s, NULL, 0);
4616
4617		wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
4618		break;
4619	case EVENT_CHANNEL_LIST_CHANGED:
4620		wpa_supplicant_update_channel_list(
4621			wpa_s, &data->channel_list_changed);
4622		break;
4623	case EVENT_INTERFACE_UNAVAILABLE:
4624		wpas_p2p_interface_unavailable(wpa_s);
4625		break;
4626	case EVENT_BEST_CHANNEL:
4627		wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
4628			"(%d %d %d)",
4629			data->best_chan.freq_24, data->best_chan.freq_5,
4630			data->best_chan.freq_overall);
4631		wpa_s->best_24_freq = data->best_chan.freq_24;
4632		wpa_s->best_5_freq = data->best_chan.freq_5;
4633		wpa_s->best_overall_freq = data->best_chan.freq_overall;
4634		wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
4635					      data->best_chan.freq_5,
4636					      data->best_chan.freq_overall);
4637		break;
4638	case EVENT_UNPROT_DEAUTH:
4639		wpa_supplicant_event_unprot_deauth(wpa_s,
4640						   &data->unprot_deauth);
4641		break;
4642	case EVENT_UNPROT_DISASSOC:
4643		wpa_supplicant_event_unprot_disassoc(wpa_s,
4644						     &data->unprot_disassoc);
4645		break;
4646	case EVENT_STATION_LOW_ACK:
4647#ifdef CONFIG_AP
4648		if (wpa_s->ap_iface && data)
4649			hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
4650						  data->low_ack.addr);
4651#endif /* CONFIG_AP */
4652#ifdef CONFIG_TDLS
4653		if (data)
4654			wpa_tdls_disable_unreachable_link(wpa_s->wpa,
4655							  data->low_ack.addr);
4656#endif /* CONFIG_TDLS */
4657		break;
4658	case EVENT_IBSS_PEER_LOST:
4659#ifdef CONFIG_IBSS_RSN
4660		ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
4661#endif /* CONFIG_IBSS_RSN */
4662		break;
4663	case EVENT_DRIVER_GTK_REKEY:
4664		if (os_memcmp(data->driver_gtk_rekey.bssid,
4665			      wpa_s->bssid, ETH_ALEN))
4666			break;
4667		if (!wpa_s->wpa)
4668			break;
4669		wpa_sm_update_replay_ctr(wpa_s->wpa,
4670					 data->driver_gtk_rekey.replay_ctr);
4671		break;
4672	case EVENT_SCHED_SCAN_STOPPED:
4673		wpa_s->sched_scanning = 0;
4674		resched = wpa_s->scanning && wpas_scan_scheduled(wpa_s);
4675		wpa_supplicant_notify_scanning(wpa_s, 0);
4676
4677		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4678			break;
4679
4680		/*
4681		 * If the driver stopped scanning without being requested to,
4682		 * request a new scan to continue scanning for networks.
4683		 */
4684		if (!wpa_s->sched_scan_stop_req &&
4685		    wpa_s->wpa_state == WPA_SCANNING) {
4686			wpa_dbg(wpa_s, MSG_DEBUG,
4687				"Restart scanning after unexpected sched_scan stop event");
4688			wpa_supplicant_req_scan(wpa_s, 1, 0);
4689			break;
4690		}
4691
4692		wpa_s->sched_scan_stop_req = 0;
4693
4694		/*
4695		 * Start a new sched scan to continue searching for more SSIDs
4696		 * either if timed out or PNO schedule scan is pending.
4697		 */
4698		if (wpa_s->sched_scan_timed_out) {
4699			wpa_supplicant_req_sched_scan(wpa_s);
4700		} else if (wpa_s->pno_sched_pending) {
4701			wpa_s->pno_sched_pending = 0;
4702			wpas_start_pno(wpa_s);
4703		} else if (resched) {
4704			wpa_supplicant_req_scan(wpa_s, 0, 0);
4705		}
4706
4707		break;
4708	case EVENT_WPS_BUTTON_PUSHED:
4709#ifdef CONFIG_WPS
4710		wpas_wps_start_pbc(wpa_s, NULL, 0);
4711#endif /* CONFIG_WPS */
4712		break;
4713	case EVENT_AVOID_FREQUENCIES:
4714		wpa_supplicant_notify_avoid_freq(wpa_s, data);
4715		break;
4716	case EVENT_CONNECT_FAILED_REASON:
4717#ifdef CONFIG_AP
4718		if (!wpa_s->ap_iface || !data)
4719			break;
4720		hostapd_event_connect_failed_reason(
4721			wpa_s->ap_iface->bss[0],
4722			data->connect_failed_reason.addr,
4723			data->connect_failed_reason.code);
4724#endif /* CONFIG_AP */
4725		break;
4726	case EVENT_NEW_PEER_CANDIDATE:
4727#ifdef CONFIG_MESH
4728		if (!wpa_s->ifmsh || !data)
4729			break;
4730		wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer,
4731				     data->mesh_peer.ies,
4732				     data->mesh_peer.ie_len);
4733#endif /* CONFIG_MESH */
4734		break;
4735	case EVENT_SURVEY:
4736#ifdef CONFIG_AP
4737		if (!wpa_s->ap_iface)
4738			break;
4739		hostapd_event_get_survey(wpa_s->ap_iface,
4740					 &data->survey_results);
4741#endif /* CONFIG_AP */
4742		break;
4743	case EVENT_ACS_CHANNEL_SELECTED:
4744#ifdef CONFIG_AP
4745#ifdef CONFIG_ACS
4746		if (!wpa_s->ap_iface)
4747			break;
4748		hostapd_acs_channel_selected(wpa_s->ap_iface->bss[0],
4749					     &data->acs_selected_channels);
4750#endif /* CONFIG_ACS */
4751#endif /* CONFIG_AP */
4752		break;
4753	case EVENT_P2P_LO_STOP:
4754#ifdef CONFIG_P2P
4755		wpa_s->p2p_lo_started = 0;
4756		wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_LISTEN_OFFLOAD_STOP
4757			P2P_LISTEN_OFFLOAD_STOP_REASON "reason=%d",
4758			data->p2p_lo_stop.reason_code);
4759#endif /* CONFIG_P2P */
4760		break;
4761	case EVENT_BEACON_LOSS:
4762		if (!wpa_s->current_bss || !wpa_s->current_ssid)
4763			break;
4764		wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_BEACON_LOSS);
4765		bgscan_notify_beacon_loss(wpa_s);
4766		break;
4767	case EVENT_EXTERNAL_AUTH:
4768#ifdef CONFIG_SAE
4769		if (!wpa_s->current_ssid) {
4770			wpa_printf(MSG_DEBUG, "SAE: current_ssid is NULL");
4771			break;
4772		}
4773		sme_external_auth_trigger(wpa_s, data);
4774#endif /* CONFIG_SAE */
4775		break;
4776	case EVENT_PORT_AUTHORIZED:
4777		wpa_supplicant_event_port_authorized(wpa_s);
4778		break;
4779	case EVENT_STATION_OPMODE_CHANGED:
4780#ifdef CONFIG_AP
4781		if (!wpa_s->ap_iface || !data)
4782			break;
4783
4784		hostapd_event_sta_opmode_changed(wpa_s->ap_iface->bss[0],
4785						 data->sta_opmode.addr,
4786						 data->sta_opmode.smps_mode,
4787						 data->sta_opmode.chan_width,
4788						 data->sta_opmode.rx_nss);
4789#endif /* CONFIG_AP */
4790		break;
4791	default:
4792		wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
4793		break;
4794	}
4795}
4796
4797
4798void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
4799				 union wpa_event_data *data)
4800{
4801	struct wpa_supplicant *wpa_s;
4802
4803	if (event != EVENT_INTERFACE_STATUS)
4804		return;
4805
4806	wpa_s = wpa_supplicant_get_iface(ctx, data->interface_status.ifname);
4807	if (wpa_s && wpa_s->driver->get_ifindex) {
4808		unsigned int ifindex;
4809
4810		ifindex = wpa_s->driver->get_ifindex(wpa_s->drv_priv);
4811		if (ifindex != data->interface_status.ifindex) {
4812			wpa_dbg(wpa_s, MSG_DEBUG,
4813				"interface status ifindex %d mismatch (%d)",
4814				ifindex, data->interface_status.ifindex);
4815			return;
4816		}
4817	}
4818#ifdef CONFIG_MATCH_IFACE
4819	else if (data->interface_status.ievent == EVENT_INTERFACE_ADDED) {
4820		struct wpa_interface *wpa_i;
4821
4822		wpa_i = wpa_supplicant_match_iface(
4823			ctx, data->interface_status.ifname);
4824		if (!wpa_i)
4825			return;
4826		wpa_s = wpa_supplicant_add_iface(ctx, wpa_i, NULL);
4827		os_free(wpa_i);
4828		if (wpa_s)
4829			wpa_s->matched = 1;
4830	}
4831#endif /* CONFIG_MATCH_IFACE */
4832
4833	if (wpa_s)
4834		wpa_supplicant_event(wpa_s, event, data);
4835}
4836