wpas_glue.c revision 351611
1/*
2 * WPA Supplicant - Glue code to setup EAPOL and RSN modules
3 * Copyright (c) 2003-2015, 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 "eap_peer/eap.h"
14#include "rsn_supp/wpa.h"
15#include "eloop.h"
16#include "config.h"
17#include "l2_packet/l2_packet.h"
18#include "common/wpa_common.h"
19#include "wpa_supplicant_i.h"
20#include "driver_i.h"
21#include "rsn_supp/pmksa_cache.h"
22#include "sme.h"
23#include "common/ieee802_11_defs.h"
24#include "common/wpa_ctrl.h"
25#include "wpas_glue.h"
26#include "wps_supplicant.h"
27#include "bss.h"
28#include "scan.h"
29#include "notify.h"
30#include "wpas_kay.h"
31
32
33#ifndef CONFIG_NO_CONFIG_BLOBS
34#if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
35static void wpa_supplicant_set_config_blob(void *ctx,
36					   struct wpa_config_blob *blob)
37{
38	struct wpa_supplicant *wpa_s = ctx;
39	wpa_config_set_blob(wpa_s->conf, blob);
40	if (wpa_s->conf->update_config) {
41		int ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
42		if (ret) {
43			wpa_printf(MSG_DEBUG, "Failed to update config after "
44				   "blob set");
45		}
46	}
47}
48
49
50static const struct wpa_config_blob *
51wpa_supplicant_get_config_blob(void *ctx, const char *name)
52{
53	struct wpa_supplicant *wpa_s = ctx;
54	return wpa_config_get_blob(wpa_s->conf, name);
55}
56#endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
57#endif /* CONFIG_NO_CONFIG_BLOBS */
58
59
60#if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
61static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
62			    const void *data, u16 data_len,
63			    size_t *msg_len, void **data_pos)
64{
65	struct ieee802_1x_hdr *hdr;
66
67	*msg_len = sizeof(*hdr) + data_len;
68	hdr = os_malloc(*msg_len);
69	if (hdr == NULL)
70		return NULL;
71
72	hdr->version = wpa_s->conf->eapol_version;
73	hdr->type = type;
74	hdr->length = host_to_be16(data_len);
75
76	if (data)
77		os_memcpy(hdr + 1, data, data_len);
78	else
79		os_memset(hdr + 1, 0, data_len);
80
81	if (data_pos)
82		*data_pos = hdr + 1;
83
84	return (u8 *) hdr;
85}
86
87
88/**
89 * wpa_ether_send - Send Ethernet frame
90 * @wpa_s: Pointer to wpa_supplicant data
91 * @dest: Destination MAC address
92 * @proto: Ethertype in host byte order
93 * @buf: Frame payload starting from IEEE 802.1X header
94 * @len: Frame payload length
95 * Returns: >=0 on success, <0 on failure
96 */
97static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
98			  u16 proto, const u8 *buf, size_t len)
99{
100#ifdef CONFIG_TESTING_OPTIONS
101	if (wpa_s->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
102		size_t hex_len = 2 * len + 1;
103		char *hex = os_malloc(hex_len);
104
105		if (hex == NULL)
106			return -1;
107		wpa_snprintf_hex(hex, hex_len, buf, len);
108		wpa_msg(wpa_s, MSG_INFO, "EAPOL-TX " MACSTR " %s",
109			MAC2STR(dest), hex);
110		os_free(hex);
111		return 0;
112	}
113#endif /* CONFIG_TESTING_OPTIONS */
114
115	if (wpa_s->l2) {
116		return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
117	}
118
119	return -1;
120}
121#endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
122
123
124#ifdef IEEE8021X_EAPOL
125
126/**
127 * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
128 * @ctx: Pointer to wpa_supplicant data (wpa_s)
129 * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
130 * @buf: EAPOL payload (after IEEE 802.1X header)
131 * @len: EAPOL payload length
132 * Returns: >=0 on success, <0 on failure
133 *
134 * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
135 * to the current Authenticator.
136 */
137static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
138				     size_t len)
139{
140	struct wpa_supplicant *wpa_s = ctx;
141	u8 *msg, *dst, bssid[ETH_ALEN];
142	size_t msglen;
143	int res;
144
145	/* TODO: could add l2_packet_sendmsg that allows fragments to avoid
146	 * extra copy here */
147
148	if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
149	    wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
150	    wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
151	    wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
152		/* Current SSID is not using IEEE 802.1X/EAP, so drop possible
153		 * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
154		 * machines. */
155		wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
156			   "mode (type=%d len=%lu)", type,
157			   (unsigned long) len);
158		return -1;
159	}
160
161	if (pmksa_cache_get_current(wpa_s->wpa) &&
162	    type == IEEE802_1X_TYPE_EAPOL_START) {
163		/*
164		 * We were trying to use PMKSA caching and sending EAPOL-Start
165		 * would abort that and trigger full EAPOL authentication.
166		 * However, we've already waited for the AP/Authenticator to
167		 * start 4-way handshake or EAP authentication, and apparently
168		 * it has not done so since the startWhen timer has reached zero
169		 * to get the state machine sending EAPOL-Start. This is not
170		 * really supposed to happen, but an interoperability issue with
171		 * a deployed AP has been identified where the connection fails
172		 * due to that AP failing to operate correctly if PMKID is
173		 * included in the Association Request frame. To work around
174		 * this, assume PMKSA caching failed and try to initiate full
175		 * EAP authentication.
176		 */
177		if (!wpa_s->current_ssid ||
178		    wpa_s->current_ssid->eap_workaround) {
179			wpa_printf(MSG_DEBUG,
180				   "RSN: Timeout on waiting for the AP to initiate 4-way handshake for PMKSA caching or EAP authentication - try to force it to start EAP authentication");
181		} else {
182			wpa_printf(MSG_DEBUG,
183				   "RSN: PMKSA caching - do not send EAPOL-Start");
184			return -1;
185		}
186	}
187
188	if (is_zero_ether_addr(wpa_s->bssid)) {
189		wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
190			   "EAPOL frame");
191		if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
192		    !is_zero_ether_addr(bssid)) {
193			dst = bssid;
194			wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
195				   " from the driver as the EAPOL destination",
196				   MAC2STR(dst));
197		} else {
198			dst = wpa_s->last_eapol_src;
199			wpa_printf(MSG_DEBUG, "Using the source address of the"
200				   " last received EAPOL frame " MACSTR " as "
201				   "the EAPOL destination",
202				   MAC2STR(dst));
203		}
204	} else {
205		/* BSSID was already set (from (Re)Assoc event, so use it as
206		 * the EAPOL destination. */
207		dst = wpa_s->bssid;
208	}
209
210	msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
211	if (msg == NULL)
212		return -1;
213
214	wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
215	wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
216	res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
217	os_free(msg);
218	return res;
219}
220
221
222/**
223 * wpa_eapol_set_wep_key - set WEP key for the driver
224 * @ctx: Pointer to wpa_supplicant data (wpa_s)
225 * @unicast: 1 = individual unicast key, 0 = broadcast key
226 * @keyidx: WEP key index (0..3)
227 * @key: Pointer to key data
228 * @keylen: Key length in bytes
229 * Returns: 0 on success or < 0 on error.
230 */
231static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
232				 const u8 *key, size_t keylen)
233{
234	struct wpa_supplicant *wpa_s = ctx;
235	if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
236		int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
237			WPA_CIPHER_WEP104;
238		if (unicast)
239			wpa_s->pairwise_cipher = cipher;
240		else
241			wpa_s->group_cipher = cipher;
242	}
243	return wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
244			       unicast ? wpa_s->bssid : NULL,
245			       keyidx, unicast, NULL, 0, key, keylen);
246}
247
248
249static void wpa_supplicant_aborted_cached(void *ctx)
250{
251	struct wpa_supplicant *wpa_s = ctx;
252	wpa_sm_aborted_cached(wpa_s->wpa);
253}
254
255
256static const char * result_str(enum eapol_supp_result result)
257{
258	switch (result) {
259	case EAPOL_SUPP_RESULT_FAILURE:
260		return "FAILURE";
261	case EAPOL_SUPP_RESULT_SUCCESS:
262		return "SUCCESS";
263	case EAPOL_SUPP_RESULT_EXPECTED_FAILURE:
264		return "EXPECTED_FAILURE";
265	}
266	return "?";
267}
268
269
270static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol,
271				    enum eapol_supp_result result,
272				    void *ctx)
273{
274	struct wpa_supplicant *wpa_s = ctx;
275	int res, pmk_len;
276	u8 pmk[PMK_LEN];
277
278	wpa_printf(MSG_DEBUG, "EAPOL authentication completed - result=%s",
279		   result_str(result));
280
281	if (wpas_wps_eapol_cb(wpa_s) > 0)
282		return;
283
284	wpa_s->eap_expected_failure = result ==
285		EAPOL_SUPP_RESULT_EXPECTED_FAILURE;
286
287	if (result != EAPOL_SUPP_RESULT_SUCCESS) {
288		/*
289		 * Make sure we do not get stuck here waiting for long EAPOL
290		 * timeout if the AP does not disconnect in case of
291		 * authentication failure.
292		 */
293		wpa_supplicant_req_auth_timeout(wpa_s, 2, 0);
294	} else {
295		ieee802_1x_notify_create_actor(wpa_s, wpa_s->last_eapol_src);
296	}
297
298	if (result != EAPOL_SUPP_RESULT_SUCCESS ||
299	    !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
300		return;
301
302	if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
303		return;
304
305	wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
306		   "handshake");
307
308	pmk_len = PMK_LEN;
309	if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) {
310#ifdef CONFIG_IEEE80211R
311		u8 buf[2 * PMK_LEN];
312		wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for "
313			   "driver-based 4-way hs and FT");
314		res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN);
315		if (res == 0) {
316			os_memcpy(pmk, buf + PMK_LEN, PMK_LEN);
317			os_memset(buf, 0, sizeof(buf));
318		}
319#else /* CONFIG_IEEE80211R */
320		res = -1;
321#endif /* CONFIG_IEEE80211R */
322	} else {
323		res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
324		if (res) {
325			/*
326			 * EAP-LEAP is an exception from other EAP methods: it
327			 * uses only 16-byte PMK.
328			 */
329			res = eapol_sm_get_key(eapol, pmk, 16);
330			pmk_len = 16;
331		}
332	}
333
334	if (res) {
335		wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
336			   "machines");
337		return;
338	}
339
340	wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
341			"handshake", pmk, pmk_len);
342
343	if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk,
344			    pmk_len)) {
345		wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
346	}
347
348	wpa_supplicant_cancel_scan(wpa_s);
349	wpa_supplicant_cancel_auth_timeout(wpa_s);
350	wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
351
352}
353
354
355static void wpa_supplicant_notify_eapol_done(void *ctx)
356{
357	struct wpa_supplicant *wpa_s = ctx;
358	wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
359	if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
360		wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
361	} else {
362		wpa_supplicant_cancel_auth_timeout(wpa_s);
363		wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
364	}
365}
366
367#endif /* IEEE8021X_EAPOL */
368
369
370#ifndef CONFIG_NO_WPA
371
372static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
373{
374	int ret = 0;
375	struct wpa_bss *curr = NULL, *bss;
376	struct wpa_ssid *ssid = wpa_s->current_ssid;
377	const u8 *ie;
378
379	dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
380		if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0)
381			continue;
382		if (ssid == NULL ||
383		    ((bss->ssid_len == ssid->ssid_len &&
384		      os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
385		     ssid->ssid_len == 0)) {
386			curr = bss;
387			break;
388		}
389	}
390
391	if (curr) {
392		ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
393		if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
394			ret = -1;
395
396		ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
397		if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
398			ret = -1;
399	} else {
400		ret = -1;
401	}
402
403	return ret;
404}
405
406
407static int wpa_supplicant_get_beacon_ie(void *ctx)
408{
409	struct wpa_supplicant *wpa_s = ctx;
410	if (wpa_get_beacon_ie(wpa_s) == 0) {
411		return 0;
412	}
413
414	/* No WPA/RSN IE found in the cached scan results. Try to get updated
415	 * scan results from the driver. */
416	if (wpa_supplicant_update_scan_results(wpa_s) < 0)
417		return -1;
418
419	return wpa_get_beacon_ie(wpa_s);
420}
421
422
423static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
424			     const void *data, u16 data_len,
425			     size_t *msg_len, void **data_pos)
426{
427	return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
428}
429
430
431static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
432			   const u8 *buf, size_t len)
433{
434	return wpa_ether_send(wpa_s, dest, proto, buf, len);
435}
436
437
438static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
439{
440	wpa_supplicant_cancel_auth_timeout(wpa_s);
441}
442
443
444static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
445{
446	wpa_supplicant_set_state(wpa_s, state);
447}
448
449
450/**
451 * wpa_supplicant_get_state - Get the connection state
452 * @wpa_s: Pointer to wpa_supplicant data
453 * Returns: The current connection state (WPA_*)
454 */
455static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
456{
457	return wpa_s->wpa_state;
458}
459
460
461static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
462{
463	return wpa_supplicant_get_state(wpa_s);
464}
465
466
467static void _wpa_supplicant_deauthenticate(void *wpa_s, u16 reason_code)
468{
469	wpa_supplicant_deauthenticate(wpa_s, reason_code);
470	/* Schedule a scan to make sure we continue looking for networks */
471	wpa_supplicant_req_scan(wpa_s, 5, 0);
472}
473
474
475static void * wpa_supplicant_get_network_ctx(void *wpa_s)
476{
477	return wpa_supplicant_get_ssid(wpa_s);
478}
479
480
481static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
482{
483	struct wpa_supplicant *wpa_s = ctx;
484	return wpa_drv_get_bssid(wpa_s, bssid);
485}
486
487
488static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
489				  const u8 *addr, int key_idx, int set_tx,
490				  const u8 *seq, size_t seq_len,
491				  const u8 *key, size_t key_len)
492{
493	struct wpa_supplicant *wpa_s = _wpa_s;
494	if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
495		/* Clear the MIC error counter when setting a new PTK. */
496		wpa_s->mic_errors_seen = 0;
497	}
498#ifdef CONFIG_TESTING_GET_GTK
499	if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) &&
500	    alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
501		os_memcpy(wpa_s->last_gtk, key, key_len);
502		wpa_s->last_gtk_len = key_len;
503	}
504#endif /* CONFIG_TESTING_GET_GTK */
505#ifdef CONFIG_TESTING_OPTIONS
506	if (addr && !is_broadcast_ether_addr(addr)) {
507		wpa_s->last_tk_alg = alg;
508		os_memcpy(wpa_s->last_tk_addr, addr, ETH_ALEN);
509		wpa_s->last_tk_key_idx = key_idx;
510		if (key)
511			os_memcpy(wpa_s->last_tk, key, key_len);
512		wpa_s->last_tk_len = key_len;
513	}
514#endif /* CONFIG_TESTING_OPTIONS */
515	return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
516			       key, key_len);
517}
518
519
520static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
521					     int protection_type,
522					     int key_type)
523{
524	return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
525					  key_type);
526}
527
528
529static struct wpa_ssid * wpas_get_network_ctx(struct wpa_supplicant *wpa_s,
530					      void *network_ctx)
531{
532	struct wpa_ssid *ssid;
533
534	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
535		if (network_ctx == ssid)
536			return ssid;
537	}
538
539	return NULL;
540}
541
542
543static int wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx,
544				    const u8 *bssid, const u8 *pmkid,
545				    const u8 *fils_cache_id,
546				    const u8 *pmk, size_t pmk_len)
547{
548	struct wpa_supplicant *wpa_s = _wpa_s;
549	struct wpa_ssid *ssid;
550	struct wpa_pmkid_params params;
551
552	os_memset(&params, 0, sizeof(params));
553	ssid = wpas_get_network_ctx(wpa_s, network_ctx);
554	if (ssid)
555		wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_ADDED MACSTR " %d",
556			MAC2STR(bssid), ssid->id);
557	if (ssid && fils_cache_id) {
558		params.ssid = ssid->ssid;
559		params.ssid_len = ssid->ssid_len;
560		params.fils_cache_id = fils_cache_id;
561	} else {
562		params.bssid = bssid;
563	}
564
565	params.pmkid = pmkid;
566	params.pmk = pmk;
567	params.pmk_len = pmk_len;
568
569	return wpa_drv_add_pmkid(wpa_s, &params);
570}
571
572
573static int wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx,
574				       const u8 *bssid, const u8 *pmkid,
575				       const u8 *fils_cache_id)
576{
577	struct wpa_supplicant *wpa_s = _wpa_s;
578	struct wpa_ssid *ssid;
579	struct wpa_pmkid_params params;
580
581	os_memset(&params, 0, sizeof(params));
582	ssid = wpas_get_network_ctx(wpa_s, network_ctx);
583	if (ssid)
584		wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_REMOVED MACSTR " %d",
585			MAC2STR(bssid), ssid->id);
586	if (ssid && fils_cache_id) {
587		params.ssid = ssid->ssid;
588		params.ssid_len = ssid->ssid_len;
589		params.fils_cache_id = fils_cache_id;
590	} else {
591		params.bssid = bssid;
592	}
593
594	params.pmkid = pmkid;
595
596	return wpa_drv_remove_pmkid(wpa_s, &params);
597}
598
599
600#ifdef CONFIG_IEEE80211R
601static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
602					const u8 *ies, size_t ies_len)
603{
604	struct wpa_supplicant *wpa_s = ctx;
605	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
606		return sme_update_ft_ies(wpa_s, md, ies, ies_len);
607	return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
608}
609
610
611static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
612					 const u8 *target_ap,
613					 const u8 *ies, size_t ies_len)
614{
615	struct wpa_supplicant *wpa_s = ctx;
616	int ret;
617	u8 *data, *pos;
618	size_t data_len;
619
620	if (action != 1) {
621		wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d",
622			   action);
623		return -1;
624	}
625
626	/*
627	 * Action frame payload:
628	 * Category[1] = 6 (Fast BSS Transition)
629	 * Action[1] = 1 (Fast BSS Transition Request)
630	 * STA Address
631	 * Target AP Address
632	 * FT IEs
633	 */
634
635	data_len = 2 + 2 * ETH_ALEN + ies_len;
636	data = os_malloc(data_len);
637	if (data == NULL)
638		return -1;
639	pos = data;
640	*pos++ = 0x06; /* FT Action category */
641	*pos++ = action;
642	os_memcpy(pos, wpa_s->own_addr, ETH_ALEN);
643	pos += ETH_ALEN;
644	os_memcpy(pos, target_ap, ETH_ALEN);
645	pos += ETH_ALEN;
646	os_memcpy(pos, ies, ies_len);
647
648	ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
649				  wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid,
650				  data, data_len, 0);
651	os_free(data);
652
653	return ret;
654}
655
656
657static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
658{
659	struct wpa_supplicant *wpa_s = ctx;
660	struct wpa_driver_auth_params params;
661	struct wpa_bss *bss;
662
663	bss = wpa_bss_get_bssid(wpa_s, target_ap);
664	if (bss == NULL)
665		return -1;
666
667	os_memset(&params, 0, sizeof(params));
668	params.bssid = target_ap;
669	params.freq = bss->freq;
670	params.ssid = bss->ssid;
671	params.ssid_len = bss->ssid_len;
672	params.auth_alg = WPA_AUTH_ALG_FT;
673	params.local_state_change = 1;
674	return wpa_drv_authenticate(wpa_s, &params);
675}
676#endif /* CONFIG_IEEE80211R */
677
678
679#ifdef CONFIG_TDLS
680
681static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
682					int *tdls_ext_setup,
683					int *tdls_chan_switch)
684{
685	struct wpa_supplicant *wpa_s = ctx;
686
687	*tdls_supported = 0;
688	*tdls_ext_setup = 0;
689	*tdls_chan_switch = 0;
690
691	if (!wpa_s->drv_capa_known)
692		return -1;
693
694	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)
695		*tdls_supported = 1;
696
697	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
698		*tdls_ext_setup = 1;
699
700	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
701		*tdls_chan_switch = 1;
702
703	return 0;
704}
705
706
707static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
708					 u8 action_code, u8 dialog_token,
709					 u16 status_code, u32 peer_capab,
710					 int initiator, const u8 *buf,
711					 size_t len)
712{
713	struct wpa_supplicant *wpa_s = ctx;
714	return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
715				      status_code, peer_capab, initiator, buf,
716				      len);
717}
718
719
720static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)
721{
722	struct wpa_supplicant *wpa_s = ctx;
723	return wpa_drv_tdls_oper(wpa_s, oper, peer);
724}
725
726
727static int wpa_supplicant_tdls_peer_addset(
728	void *ctx, const u8 *peer, int add, u16 aid, u16 capability,
729	const u8 *supp_rates, size_t supp_rates_len,
730	const struct ieee80211_ht_capabilities *ht_capab,
731	const struct ieee80211_vht_capabilities *vht_capab,
732	u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len,
733	const u8 *supp_channels, size_t supp_channels_len,
734	const u8 *supp_oper_classes, size_t supp_oper_classes_len)
735{
736	struct wpa_supplicant *wpa_s = ctx;
737	struct hostapd_sta_add_params params;
738
739	os_memset(&params, 0, sizeof(params));
740
741	params.addr = peer;
742	params.aid = aid;
743	params.capability = capability;
744	params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED;
745
746	/*
747	 * Don't rely only on qosinfo for WMM capability. It may be 0 even when
748	 * present. Allow the WMM IE to also indicate QoS support.
749	 */
750	if (wmm || qosinfo)
751		params.flags |= WPA_STA_WMM;
752
753	params.ht_capabilities = ht_capab;
754	params.vht_capabilities = vht_capab;
755	params.qosinfo = qosinfo;
756	params.listen_interval = 0;
757	params.supp_rates = supp_rates;
758	params.supp_rates_len = supp_rates_len;
759	params.set = !add;
760	params.ext_capab = ext_capab;
761	params.ext_capab_len = ext_capab_len;
762	params.supp_channels = supp_channels;
763	params.supp_channels_len = supp_channels_len;
764	params.supp_oper_classes = supp_oper_classes;
765	params.supp_oper_classes_len = supp_oper_classes_len;
766
767	return wpa_drv_sta_add(wpa_s, &params);
768}
769
770
771static int wpa_supplicant_tdls_enable_channel_switch(
772	void *ctx, const u8 *addr, u8 oper_class,
773	const struct hostapd_freq_params *params)
774{
775	struct wpa_supplicant *wpa_s = ctx;
776
777	return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class,
778						  params);
779}
780
781
782static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)
783{
784	struct wpa_supplicant *wpa_s = ctx;
785
786	return wpa_drv_tdls_disable_channel_switch(wpa_s, addr);
787}
788
789#endif /* CONFIG_TDLS */
790
791#endif /* CONFIG_NO_WPA */
792
793
794enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field)
795{
796	if (os_strcmp(field, "IDENTITY") == 0)
797		return WPA_CTRL_REQ_EAP_IDENTITY;
798	else if (os_strcmp(field, "PASSWORD") == 0)
799		return WPA_CTRL_REQ_EAP_PASSWORD;
800	else if (os_strcmp(field, "NEW_PASSWORD") == 0)
801		return WPA_CTRL_REQ_EAP_NEW_PASSWORD;
802	else if (os_strcmp(field, "PIN") == 0)
803		return WPA_CTRL_REQ_EAP_PIN;
804	else if (os_strcmp(field, "OTP") == 0)
805		return WPA_CTRL_REQ_EAP_OTP;
806	else if (os_strcmp(field, "PASSPHRASE") == 0)
807		return WPA_CTRL_REQ_EAP_PASSPHRASE;
808	else if (os_strcmp(field, "SIM") == 0)
809		return WPA_CTRL_REQ_SIM;
810	else if (os_strcmp(field, "PSK_PASSPHRASE") == 0)
811		return WPA_CTRL_REQ_PSK_PASSPHRASE;
812	else if (os_strcmp(field, "EXT_CERT_CHECK") == 0)
813		return WPA_CTRL_REQ_EXT_CERT_CHECK;
814	return WPA_CTRL_REQ_UNKNOWN;
815}
816
817
818const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,
819					       const char *default_txt,
820					       const char **txt)
821{
822	const char *ret = NULL;
823
824	*txt = default_txt;
825
826	switch (field) {
827	case WPA_CTRL_REQ_EAP_IDENTITY:
828		*txt = "Identity";
829		ret = "IDENTITY";
830		break;
831	case WPA_CTRL_REQ_EAP_PASSWORD:
832		*txt = "Password";
833		ret = "PASSWORD";
834		break;
835	case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
836		*txt = "New Password";
837		ret = "NEW_PASSWORD";
838		break;
839	case WPA_CTRL_REQ_EAP_PIN:
840		*txt = "PIN";
841		ret = "PIN";
842		break;
843	case WPA_CTRL_REQ_EAP_OTP:
844		ret = "OTP";
845		break;
846	case WPA_CTRL_REQ_EAP_PASSPHRASE:
847		*txt = "Private key passphrase";
848		ret = "PASSPHRASE";
849		break;
850	case WPA_CTRL_REQ_SIM:
851		ret = "SIM";
852		break;
853	case WPA_CTRL_REQ_PSK_PASSPHRASE:
854		*txt = "PSK or passphrase";
855		ret = "PSK_PASSPHRASE";
856		break;
857	case WPA_CTRL_REQ_EXT_CERT_CHECK:
858		*txt = "External server certificate validation";
859		ret = "EXT_CERT_CHECK";
860		break;
861	default:
862		break;
863	}
864
865	/* txt needs to be something */
866	if (*txt == NULL) {
867		wpa_printf(MSG_WARNING, "No message for request %d", field);
868		ret = NULL;
869	}
870
871	return ret;
872}
873
874
875void wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
876			const char *field_name, const char *txt)
877{
878	char *buf;
879	size_t buflen;
880	int len;
881
882	buflen = 100 + os_strlen(txt) + ssid->ssid_len;
883	buf = os_malloc(buflen);
884	if (buf == NULL)
885		return;
886	len = os_snprintf(buf, buflen, "%s-%d:%s needed for SSID ",
887			  field_name, ssid->id, txt);
888	if (os_snprintf_error(buflen, len)) {
889		os_free(buf);
890		return;
891	}
892	if (ssid->ssid && buflen > len + ssid->ssid_len) {
893		os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
894		len += ssid->ssid_len;
895		buf[len] = '\0';
896	}
897	buf[buflen - 1] = '\0';
898	wpa_msg(wpa_s, MSG_INFO, WPA_CTRL_REQ "%s", buf);
899	os_free(buf);
900}
901
902
903#ifdef IEEE8021X_EAPOL
904#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
905static void wpa_supplicant_eap_param_needed(void *ctx,
906					    enum wpa_ctrl_req_type field,
907					    const char *default_txt)
908{
909	struct wpa_supplicant *wpa_s = ctx;
910	struct wpa_ssid *ssid = wpa_s->current_ssid;
911	const char *field_name, *txt = NULL;
912
913	if (ssid == NULL)
914		return;
915
916	if (field == WPA_CTRL_REQ_EXT_CERT_CHECK)
917		ssid->eap.pending_ext_cert_check = PENDING_CHECK;
918	wpas_notify_network_request(wpa_s, ssid, field, default_txt);
919
920	field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
921						       &txt);
922	if (field_name == NULL) {
923		wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
924			   field);
925		return;
926	}
927
928	wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name);
929
930	wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
931}
932#else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
933#define wpa_supplicant_eap_param_needed NULL
934#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
935
936
937#ifdef CONFIG_EAP_PROXY
938
939static void wpa_supplicant_eap_proxy_cb(void *ctx)
940{
941	struct wpa_supplicant *wpa_s = ctx;
942	size_t len;
943
944	wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, -1,
945						     wpa_s->imsi, &len);
946	if (wpa_s->mnc_len > 0) {
947		wpa_s->imsi[len] = '\0';
948		wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
949			   wpa_s->imsi, wpa_s->mnc_len);
950	} else {
951		wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
952	}
953}
954
955
956static void wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s)
957{
958	int i;
959	struct wpa_ssid *ssid;
960	const struct eap_method_type *eap_methods;
961
962	if (!wpa_s->conf)
963		return;
964
965	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)	{
966		eap_methods = ssid->eap.eap_methods;
967		if (!eap_methods)
968			continue;
969
970		for (i = 0; eap_methods[i].method != EAP_TYPE_NONE; i++) {
971			if (eap_methods[i].vendor == EAP_VENDOR_IETF &&
972			    (eap_methods[i].method == EAP_TYPE_SIM ||
973			     eap_methods[i].method == EAP_TYPE_AKA ||
974			     eap_methods[i].method == EAP_TYPE_AKA_PRIME)) {
975				wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
976				break;
977			}
978		}
979	}
980}
981
982
983static void
984wpa_supplicant_eap_proxy_notify_sim_status(void *ctx,
985					   enum eap_proxy_sim_state sim_state)
986{
987	struct wpa_supplicant *wpa_s = ctx;
988
989	wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status %u", sim_state);
990	switch (sim_state) {
991	case SIM_STATE_ERROR:
992		wpa_sm_sim_state_error_handler(wpa_s);
993		break;
994	default:
995		wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status unknown");
996		break;
997	}
998}
999
1000#endif /* CONFIG_EAP_PROXY */
1001
1002
1003static void wpa_supplicant_port_cb(void *ctx, int authorized)
1004{
1005	struct wpa_supplicant *wpa_s = ctx;
1006#ifdef CONFIG_AP
1007	if (wpa_s->ap_iface) {
1008		wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
1009			   "port status: %s",
1010			   authorized ? "Authorized" : "Unauthorized");
1011		return;
1012	}
1013#endif /* CONFIG_AP */
1014	wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
1015		   authorized ? "Authorized" : "Unauthorized");
1016	wpa_drv_set_supp_port(wpa_s, authorized);
1017}
1018
1019
1020static void wpa_supplicant_cert_cb(void *ctx, struct tls_cert_data *cert,
1021				   const char *cert_hash)
1022{
1023	struct wpa_supplicant *wpa_s = ctx;
1024
1025	wpas_notify_certification(wpa_s, cert, cert_hash);
1026}
1027
1028
1029static void wpa_supplicant_status_cb(void *ctx, const char *status,
1030				     const char *parameter)
1031{
1032	struct wpa_supplicant *wpa_s = ctx;
1033
1034	wpas_notify_eap_status(wpa_s, status, parameter);
1035}
1036
1037
1038static void wpa_supplicant_eap_error_cb(void *ctx, int error_code)
1039{
1040	struct wpa_supplicant *wpa_s = ctx;
1041
1042	wpas_notify_eap_error(wpa_s, error_code);
1043}
1044
1045
1046static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
1047{
1048	struct wpa_supplicant *wpa_s = ctx;
1049	char *str;
1050	int res;
1051
1052	wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
1053			  id, len);
1054
1055	if (wpa_s->current_ssid == NULL)
1056		return;
1057
1058	if (id == NULL) {
1059		if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1060				   "NULL", 0) < 0)
1061			return;
1062	} else {
1063		str = os_malloc(len * 2 + 1);
1064		if (str == NULL)
1065			return;
1066		wpa_snprintf_hex(str, len * 2 + 1, id, len);
1067		res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1068				     str, 0);
1069		os_free(str);
1070		if (res < 0)
1071			return;
1072	}
1073
1074	if (wpa_s->conf->update_config) {
1075		res = wpa_config_write(wpa_s->confname, wpa_s->conf);
1076		if (res) {
1077			wpa_printf(MSG_DEBUG, "Failed to update config after "
1078				   "anonymous_id update");
1079		}
1080	}
1081}
1082#endif /* IEEE8021X_EAPOL */
1083
1084
1085int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
1086{
1087#ifdef IEEE8021X_EAPOL
1088	struct eapol_ctx *ctx;
1089	ctx = os_zalloc(sizeof(*ctx));
1090	if (ctx == NULL) {
1091		wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
1092		return -1;
1093	}
1094
1095	ctx->ctx = wpa_s;
1096	ctx->msg_ctx = wpa_s;
1097	ctx->eapol_send_ctx = wpa_s;
1098	ctx->preauth = 0;
1099	ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
1100	ctx->eapol_send = wpa_supplicant_eapol_send;
1101	ctx->set_wep_key = wpa_eapol_set_wep_key;
1102#ifndef CONFIG_NO_CONFIG_BLOBS
1103	ctx->set_config_blob = wpa_supplicant_set_config_blob;
1104	ctx->get_config_blob = wpa_supplicant_get_config_blob;
1105#endif /* CONFIG_NO_CONFIG_BLOBS */
1106	ctx->aborted_cached = wpa_supplicant_aborted_cached;
1107	ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
1108	ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
1109	ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
1110	ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
1111	ctx->wps = wpa_s->wps;
1112	ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
1113#ifdef CONFIG_EAP_PROXY
1114	ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb;
1115	ctx->eap_proxy_notify_sim_status =
1116		wpa_supplicant_eap_proxy_notify_sim_status;
1117#endif /* CONFIG_EAP_PROXY */
1118	ctx->port_cb = wpa_supplicant_port_cb;
1119	ctx->cb = wpa_supplicant_eapol_cb;
1120	ctx->cert_cb = wpa_supplicant_cert_cb;
1121	ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
1122	ctx->status_cb = wpa_supplicant_status_cb;
1123	ctx->eap_error_cb = wpa_supplicant_eap_error_cb;
1124	ctx->set_anon_id = wpa_supplicant_set_anon_id;
1125	ctx->cb_ctx = wpa_s;
1126	wpa_s->eapol = eapol_sm_init(ctx);
1127	if (wpa_s->eapol == NULL) {
1128		os_free(ctx);
1129		wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
1130			   "machines.");
1131		return -1;
1132	}
1133#endif /* IEEE8021X_EAPOL */
1134
1135	return 0;
1136}
1137
1138
1139#ifndef CONFIG_NO_WPA
1140
1141static void wpa_supplicant_set_rekey_offload(void *ctx,
1142					     const u8 *kek, size_t kek_len,
1143					     const u8 *kck, size_t kck_len,
1144					     const u8 *replay_ctr)
1145{
1146	struct wpa_supplicant *wpa_s = ctx;
1147
1148	wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
1149}
1150
1151
1152static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
1153					   size_t pmk_len)
1154{
1155	struct wpa_supplicant *wpa_s = ctx;
1156
1157	if (wpa_s->conf->key_mgmt_offload &&
1158	    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
1159		return wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0,
1160				       NULL, 0, pmk, pmk_len);
1161	else
1162		return 0;
1163}
1164
1165
1166static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src,
1167				       const u8 *pkt, size_t pkt_len)
1168{
1169	struct wpa_supplicant *wpa_s = ctx;
1170	char *hex;
1171	size_t hexlen;
1172
1173	hexlen = pkt_len * 2 + 1;
1174	hex = os_malloc(hexlen);
1175	if (!hex)
1176		return;
1177	wpa_snprintf_hex(hex, hexlen, pkt, pkt_len);
1178	wpa_msg(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR
1179		" frame=%s", MAC2STR(dst), MAC2STR(src), hex);
1180	os_free(hex);
1181}
1182
1183
1184static int wpa_supplicant_channel_info(void *_wpa_s,
1185				       struct wpa_channel_info *ci)
1186{
1187	struct wpa_supplicant *wpa_s = _wpa_s;
1188
1189	return wpa_drv_channel_info(wpa_s, ci);
1190}
1191
1192#endif /* CONFIG_NO_WPA */
1193
1194
1195int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
1196{
1197#ifndef CONFIG_NO_WPA
1198	struct wpa_sm_ctx *ctx;
1199	ctx = os_zalloc(sizeof(*ctx));
1200	if (ctx == NULL) {
1201		wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
1202		return -1;
1203	}
1204
1205	ctx->ctx = wpa_s;
1206	ctx->msg_ctx = wpa_s;
1207	ctx->set_state = _wpa_supplicant_set_state;
1208	ctx->get_state = _wpa_supplicant_get_state;
1209	ctx->deauthenticate = _wpa_supplicant_deauthenticate;
1210	ctx->set_key = wpa_supplicant_set_key;
1211	ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
1212	ctx->get_bssid = wpa_supplicant_get_bssid;
1213	ctx->ether_send = _wpa_ether_send;
1214	ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
1215	ctx->alloc_eapol = _wpa_alloc_eapol;
1216	ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
1217	ctx->add_pmkid = wpa_supplicant_add_pmkid;
1218	ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
1219#ifndef CONFIG_NO_CONFIG_BLOBS
1220	ctx->set_config_blob = wpa_supplicant_set_config_blob;
1221	ctx->get_config_blob = wpa_supplicant_get_config_blob;
1222#endif /* CONFIG_NO_CONFIG_BLOBS */
1223	ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
1224#ifdef CONFIG_IEEE80211R
1225	ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
1226	ctx->send_ft_action = wpa_supplicant_send_ft_action;
1227	ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
1228#endif /* CONFIG_IEEE80211R */
1229#ifdef CONFIG_TDLS
1230	ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
1231	ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
1232	ctx->tdls_oper = wpa_supplicant_tdls_oper;
1233	ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
1234	ctx->tdls_enable_channel_switch =
1235		wpa_supplicant_tdls_enable_channel_switch;
1236	ctx->tdls_disable_channel_switch =
1237		wpa_supplicant_tdls_disable_channel_switch;
1238#endif /* CONFIG_TDLS */
1239	ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
1240	ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
1241	ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
1242	ctx->channel_info = wpa_supplicant_channel_info;
1243
1244	wpa_s->wpa = wpa_sm_init(ctx);
1245	if (wpa_s->wpa == NULL) {
1246		wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
1247			   "machine");
1248		os_free(ctx);
1249		return -1;
1250	}
1251#endif /* CONFIG_NO_WPA */
1252
1253	return 0;
1254}
1255
1256
1257void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
1258					struct wpa_ssid *ssid)
1259{
1260	struct rsn_supp_config conf;
1261	if (ssid) {
1262		os_memset(&conf, 0, sizeof(conf));
1263		conf.network_ctx = ssid;
1264		conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
1265#ifdef IEEE8021X_EAPOL
1266		conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
1267			wpa_s->conf->okc : ssid->proactive_key_caching;
1268		conf.eap_workaround = ssid->eap_workaround;
1269		conf.eap_conf_ctx = &ssid->eap;
1270#endif /* IEEE8021X_EAPOL */
1271		conf.ssid = ssid->ssid;
1272		conf.ssid_len = ssid->ssid_len;
1273		conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
1274#ifdef CONFIG_P2P
1275		if (ssid->p2p_group && wpa_s->current_bss &&
1276		    !wpa_s->p2p_disable_ip_addr_req) {
1277			struct wpabuf *p2p;
1278			p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
1279							  P2P_IE_VENDOR_TYPE);
1280			if (p2p) {
1281				u8 group_capab;
1282				group_capab = p2p_get_group_capab(p2p);
1283				if (group_capab &
1284				    P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
1285					conf.p2p = 1;
1286				wpabuf_free(p2p);
1287			}
1288		}
1289#endif /* CONFIG_P2P */
1290		conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation;
1291#ifdef CONFIG_FILS
1292		if (wpa_key_mgmt_fils(wpa_s->key_mgmt))
1293			conf.fils_cache_id =
1294				wpa_bss_get_fils_cache_id(wpa_s->current_bss);
1295#endif /* CONFIG_FILS */
1296	}
1297	wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
1298}
1299