xref: /freebsd/contrib/wpa/wpa_supplicant/wpas_glue.c (revision 52c2bb75163559a6e2866ad374a7de67a4ea1273)
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)
35 static 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 
50 static const struct wpa_config_blob *
51 wpa_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)
61 static 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  */
97 static 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  */
137 static 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  */
231 static 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 
249 static 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 
256 static 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 
270 static 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 
355 static 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 
372 static 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 
407 static 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 
423 static 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 
431 static 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 
438 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
439 {
440 	wpa_supplicant_cancel_auth_timeout(wpa_s);
441 }
442 
443 
444 static 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  */
455 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
456 {
457 	return wpa_s->wpa_state;
458 }
459 
460 
461 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
462 {
463 	return wpa_supplicant_get_state(wpa_s);
464 }
465 
466 
467 static void _wpa_supplicant_deauthenticate(void *wpa_s, int 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 
475 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
476 {
477 	return wpa_supplicant_get_ssid(wpa_s);
478 }
479 
480 
481 static 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 
488 static 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 
520 static 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 
529 static 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 
543 static 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 
573 static 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
601 static 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 
611 static 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 
657 static 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 
681 static 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 
707 static 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 
720 static 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 
727 static 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 
771 static 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 
782 static 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 
794 enum 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 
818 const 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 
875 void 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)
905 static 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 
939 static 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 
956 static 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 
983 static void
984 wpa_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 
1003 static 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 
1020 static void wpa_supplicant_cert_cb(void *ctx, int depth, const char *subject,
1021 				   const char *altsubject[], int num_altsubject,
1022 				   const char *cert_hash,
1023 				   const struct wpabuf *cert)
1024 {
1025 	struct wpa_supplicant *wpa_s = ctx;
1026 
1027 	wpas_notify_certification(wpa_s, depth, subject, altsubject,
1028 				  num_altsubject, cert_hash, cert);
1029 }
1030 
1031 
1032 static void wpa_supplicant_status_cb(void *ctx, const char *status,
1033 				     const char *parameter)
1034 {
1035 	struct wpa_supplicant *wpa_s = ctx;
1036 
1037 	wpas_notify_eap_status(wpa_s, status, parameter);
1038 }
1039 
1040 
1041 static void wpa_supplicant_eap_error_cb(void *ctx, int error_code)
1042 {
1043 	struct wpa_supplicant *wpa_s = ctx;
1044 
1045 	wpas_notify_eap_error(wpa_s, error_code);
1046 }
1047 
1048 
1049 static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
1050 {
1051 	struct wpa_supplicant *wpa_s = ctx;
1052 	char *str;
1053 	int res;
1054 
1055 	wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
1056 			  id, len);
1057 
1058 	if (wpa_s->current_ssid == NULL)
1059 		return;
1060 
1061 	if (id == NULL) {
1062 		if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1063 				   "NULL", 0) < 0)
1064 			return;
1065 	} else {
1066 		str = os_malloc(len * 2 + 1);
1067 		if (str == NULL)
1068 			return;
1069 		wpa_snprintf_hex(str, len * 2 + 1, id, len);
1070 		res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1071 				     str, 0);
1072 		os_free(str);
1073 		if (res < 0)
1074 			return;
1075 	}
1076 
1077 	if (wpa_s->conf->update_config) {
1078 		res = wpa_config_write(wpa_s->confname, wpa_s->conf);
1079 		if (res) {
1080 			wpa_printf(MSG_DEBUG, "Failed to update config after "
1081 				   "anonymous_id update");
1082 		}
1083 	}
1084 }
1085 #endif /* IEEE8021X_EAPOL */
1086 
1087 
1088 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
1089 {
1090 #ifdef IEEE8021X_EAPOL
1091 	struct eapol_ctx *ctx;
1092 	ctx = os_zalloc(sizeof(*ctx));
1093 	if (ctx == NULL) {
1094 		wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
1095 		return -1;
1096 	}
1097 
1098 	ctx->ctx = wpa_s;
1099 	ctx->msg_ctx = wpa_s;
1100 	ctx->eapol_send_ctx = wpa_s;
1101 	ctx->preauth = 0;
1102 	ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
1103 	ctx->eapol_send = wpa_supplicant_eapol_send;
1104 	ctx->set_wep_key = wpa_eapol_set_wep_key;
1105 #ifndef CONFIG_NO_CONFIG_BLOBS
1106 	ctx->set_config_blob = wpa_supplicant_set_config_blob;
1107 	ctx->get_config_blob = wpa_supplicant_get_config_blob;
1108 #endif /* CONFIG_NO_CONFIG_BLOBS */
1109 	ctx->aborted_cached = wpa_supplicant_aborted_cached;
1110 	ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
1111 	ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
1112 	ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
1113 	ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
1114 	ctx->wps = wpa_s->wps;
1115 	ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
1116 #ifdef CONFIG_EAP_PROXY
1117 	ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb;
1118 	ctx->eap_proxy_notify_sim_status =
1119 		wpa_supplicant_eap_proxy_notify_sim_status;
1120 #endif /* CONFIG_EAP_PROXY */
1121 	ctx->port_cb = wpa_supplicant_port_cb;
1122 	ctx->cb = wpa_supplicant_eapol_cb;
1123 	ctx->cert_cb = wpa_supplicant_cert_cb;
1124 	ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
1125 	ctx->status_cb = wpa_supplicant_status_cb;
1126 	ctx->eap_error_cb = wpa_supplicant_eap_error_cb;
1127 	ctx->set_anon_id = wpa_supplicant_set_anon_id;
1128 	ctx->cb_ctx = wpa_s;
1129 	wpa_s->eapol = eapol_sm_init(ctx);
1130 	if (wpa_s->eapol == NULL) {
1131 		os_free(ctx);
1132 		wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
1133 			   "machines.");
1134 		return -1;
1135 	}
1136 #endif /* IEEE8021X_EAPOL */
1137 
1138 	return 0;
1139 }
1140 
1141 
1142 #ifndef CONFIG_NO_WPA
1143 
1144 static void wpa_supplicant_set_rekey_offload(void *ctx,
1145 					     const u8 *kek, size_t kek_len,
1146 					     const u8 *kck, size_t kck_len,
1147 					     const u8 *replay_ctr)
1148 {
1149 	struct wpa_supplicant *wpa_s = ctx;
1150 
1151 	wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
1152 }
1153 
1154 
1155 static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
1156 					   size_t pmk_len)
1157 {
1158 	struct wpa_supplicant *wpa_s = ctx;
1159 
1160 	if (wpa_s->conf->key_mgmt_offload &&
1161 	    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
1162 		return wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0,
1163 				       NULL, 0, pmk, pmk_len);
1164 	else
1165 		return 0;
1166 }
1167 
1168 
1169 static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src,
1170 				       const u8 *pkt, size_t pkt_len)
1171 {
1172 	struct wpa_supplicant *wpa_s = ctx;
1173 	char *hex;
1174 	size_t hexlen;
1175 
1176 	hexlen = pkt_len * 2 + 1;
1177 	hex = os_malloc(hexlen);
1178 	if (!hex)
1179 		return;
1180 	wpa_snprintf_hex(hex, hexlen, pkt, pkt_len);
1181 	wpa_msg(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR
1182 		" frame=%s", MAC2STR(dst), MAC2STR(src), hex);
1183 	os_free(hex);
1184 }
1185 
1186 
1187 static int wpa_supplicant_channel_info(void *_wpa_s,
1188 				       struct wpa_channel_info *ci)
1189 {
1190 	struct wpa_supplicant *wpa_s = _wpa_s;
1191 
1192 	return wpa_drv_channel_info(wpa_s, ci);
1193 }
1194 
1195 #endif /* CONFIG_NO_WPA */
1196 
1197 
1198 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
1199 {
1200 #ifndef CONFIG_NO_WPA
1201 	struct wpa_sm_ctx *ctx;
1202 	ctx = os_zalloc(sizeof(*ctx));
1203 	if (ctx == NULL) {
1204 		wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
1205 		return -1;
1206 	}
1207 
1208 	ctx->ctx = wpa_s;
1209 	ctx->msg_ctx = wpa_s;
1210 	ctx->set_state = _wpa_supplicant_set_state;
1211 	ctx->get_state = _wpa_supplicant_get_state;
1212 	ctx->deauthenticate = _wpa_supplicant_deauthenticate;
1213 	ctx->set_key = wpa_supplicant_set_key;
1214 	ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
1215 	ctx->get_bssid = wpa_supplicant_get_bssid;
1216 	ctx->ether_send = _wpa_ether_send;
1217 	ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
1218 	ctx->alloc_eapol = _wpa_alloc_eapol;
1219 	ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
1220 	ctx->add_pmkid = wpa_supplicant_add_pmkid;
1221 	ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
1222 #ifndef CONFIG_NO_CONFIG_BLOBS
1223 	ctx->set_config_blob = wpa_supplicant_set_config_blob;
1224 	ctx->get_config_blob = wpa_supplicant_get_config_blob;
1225 #endif /* CONFIG_NO_CONFIG_BLOBS */
1226 	ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
1227 #ifdef CONFIG_IEEE80211R
1228 	ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
1229 	ctx->send_ft_action = wpa_supplicant_send_ft_action;
1230 	ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
1231 #endif /* CONFIG_IEEE80211R */
1232 #ifdef CONFIG_TDLS
1233 	ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
1234 	ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
1235 	ctx->tdls_oper = wpa_supplicant_tdls_oper;
1236 	ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
1237 	ctx->tdls_enable_channel_switch =
1238 		wpa_supplicant_tdls_enable_channel_switch;
1239 	ctx->tdls_disable_channel_switch =
1240 		wpa_supplicant_tdls_disable_channel_switch;
1241 #endif /* CONFIG_TDLS */
1242 	ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
1243 	ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
1244 	ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
1245 	ctx->channel_info = wpa_supplicant_channel_info;
1246 
1247 	wpa_s->wpa = wpa_sm_init(ctx);
1248 	if (wpa_s->wpa == NULL) {
1249 		wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
1250 			   "machine");
1251 		os_free(ctx);
1252 		return -1;
1253 	}
1254 #endif /* CONFIG_NO_WPA */
1255 
1256 	return 0;
1257 }
1258 
1259 
1260 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
1261 					struct wpa_ssid *ssid)
1262 {
1263 	struct rsn_supp_config conf;
1264 	if (ssid) {
1265 		os_memset(&conf, 0, sizeof(conf));
1266 		conf.network_ctx = ssid;
1267 		conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
1268 #ifdef IEEE8021X_EAPOL
1269 		conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
1270 			wpa_s->conf->okc : ssid->proactive_key_caching;
1271 		conf.eap_workaround = ssid->eap_workaround;
1272 		conf.eap_conf_ctx = &ssid->eap;
1273 #endif /* IEEE8021X_EAPOL */
1274 		conf.ssid = ssid->ssid;
1275 		conf.ssid_len = ssid->ssid_len;
1276 		conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
1277 #ifdef CONFIG_P2P
1278 		if (ssid->p2p_group && wpa_s->current_bss &&
1279 		    !wpa_s->p2p_disable_ip_addr_req) {
1280 			struct wpabuf *p2p;
1281 			p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
1282 							  P2P_IE_VENDOR_TYPE);
1283 			if (p2p) {
1284 				u8 group_capab;
1285 				group_capab = p2p_get_group_capab(p2p);
1286 				if (group_capab &
1287 				    P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
1288 					conf.p2p = 1;
1289 				wpabuf_free(p2p);
1290 			}
1291 		}
1292 #endif /* CONFIG_P2P */
1293 		conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation;
1294 #ifdef CONFIG_FILS
1295 		if (wpa_key_mgmt_fils(wpa_s->key_mgmt))
1296 			conf.fils_cache_id =
1297 				wpa_bss_get_fils_cache_id(wpa_s->current_bss);
1298 #endif /* CONFIG_FILS */
1299 	}
1300 	wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
1301 }
1302