xref: /freebsd/contrib/wpa/wpa_supplicant/wpas_glue.c (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
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 "common/ptksa_cache.h"
20 #include "wpa_supplicant_i.h"
21 #include "driver_i.h"
22 #include "rsn_supp/pmksa_cache.h"
23 #include "sme.h"
24 #include "common/ieee802_11_defs.h"
25 #include "common/wpa_ctrl.h"
26 #include "wpas_glue.h"
27 #include "wps_supplicant.h"
28 #include "bss.h"
29 #include "scan.h"
30 #include "notify.h"
31 #include "wpas_kay.h"
32 
33 
34 #ifndef CONFIG_NO_CONFIG_BLOBS
35 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
36 static void wpa_supplicant_set_config_blob(void *ctx,
37 					   struct wpa_config_blob *blob)
38 {
39 	struct wpa_supplicant *wpa_s = ctx;
40 	wpa_config_set_blob(wpa_s->conf, blob);
41 	if (wpa_s->conf->update_config) {
42 		int ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
43 		if (ret) {
44 			wpa_printf(MSG_DEBUG, "Failed to update config after "
45 				   "blob set");
46 		}
47 	}
48 }
49 
50 
51 static const struct wpa_config_blob *
52 wpa_supplicant_get_config_blob(void *ctx, const char *name)
53 {
54 	struct wpa_supplicant *wpa_s = ctx;
55 	return wpa_config_get_blob(wpa_s->conf, name);
56 }
57 #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
58 #endif /* CONFIG_NO_CONFIG_BLOBS */
59 
60 
61 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
62 static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
63 			    const void *data, u16 data_len,
64 			    size_t *msg_len, void **data_pos)
65 {
66 	struct ieee802_1x_hdr *hdr;
67 
68 	*msg_len = sizeof(*hdr) + data_len;
69 	hdr = os_malloc(*msg_len);
70 	if (hdr == NULL)
71 		return NULL;
72 
73 	hdr->version = wpa_s->conf->eapol_version;
74 	hdr->type = type;
75 	hdr->length = host_to_be16(data_len);
76 
77 	if (data)
78 		os_memcpy(hdr + 1, data, data_len);
79 	else
80 		os_memset(hdr + 1, 0, data_len);
81 
82 	if (data_pos)
83 		*data_pos = hdr + 1;
84 
85 	return (u8 *) hdr;
86 }
87 
88 
89 /**
90  * wpa_ether_send - Send Ethernet frame
91  * @wpa_s: Pointer to wpa_supplicant data
92  * @dest: Destination MAC address
93  * @proto: Ethertype in host byte order
94  * @buf: Frame payload starting from IEEE 802.1X header
95  * @len: Frame payload length
96  * Returns: >=0 on success, <0 on failure
97  */
98 int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
99 		   u16 proto, const u8 *buf, size_t len)
100 {
101 #ifdef CONFIG_TESTING_OPTIONS
102 	if (wpa_s->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
103 		size_t hex_len = 2 * len + 1;
104 		char *hex = os_malloc(hex_len);
105 
106 		if (hex == NULL)
107 			return -1;
108 		wpa_snprintf_hex(hex, hex_len, buf, len);
109 		wpa_msg(wpa_s, MSG_INFO, "EAPOL-TX " MACSTR " %s",
110 			MAC2STR(dest), hex);
111 		os_free(hex);
112 		return 0;
113 	}
114 #endif /* CONFIG_TESTING_OPTIONS */
115 
116 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_CONTROL_PORT) {
117 		int encrypt = wpa_s->wpa &&
118 			wpa_sm_has_ptk_installed(wpa_s->wpa);
119 
120 		return wpa_drv_tx_control_port(wpa_s, dest, proto, buf, len,
121 					       !encrypt);
122 	}
123 
124 	if (wpa_s->l2) {
125 		return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
126 	}
127 
128 	return -1;
129 }
130 #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
131 
132 
133 #ifdef IEEE8021X_EAPOL
134 
135 /**
136  * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
137  * @ctx: Pointer to wpa_supplicant data (wpa_s)
138  * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
139  * @buf: EAPOL payload (after IEEE 802.1X header)
140  * @len: EAPOL payload length
141  * Returns: >=0 on success, <0 on failure
142  *
143  * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
144  * to the current Authenticator.
145  */
146 static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
147 				     size_t len)
148 {
149 	struct wpa_supplicant *wpa_s = ctx;
150 	u8 *msg, *dst, bssid[ETH_ALEN];
151 	size_t msglen;
152 	int res;
153 
154 	/* TODO: could add l2_packet_sendmsg that allows fragments to avoid
155 	 * extra copy here */
156 
157 	if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
158 	    wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
159 	    wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
160 	    wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
161 		/* Current SSID is not using IEEE 802.1X/EAP, so drop possible
162 		 * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
163 		 * machines. */
164 		wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
165 			   "mode (type=%d len=%lu)", type,
166 			   (unsigned long) len);
167 		return -1;
168 	}
169 
170 	if (pmksa_cache_get_current(wpa_s->wpa) &&
171 	    type == IEEE802_1X_TYPE_EAPOL_START) {
172 		/*
173 		 * We were trying to use PMKSA caching and sending EAPOL-Start
174 		 * would abort that and trigger full EAPOL authentication.
175 		 * However, we've already waited for the AP/Authenticator to
176 		 * start 4-way handshake or EAP authentication, and apparently
177 		 * it has not done so since the startWhen timer has reached zero
178 		 * to get the state machine sending EAPOL-Start. This is not
179 		 * really supposed to happen, but an interoperability issue with
180 		 * a deployed AP has been identified where the connection fails
181 		 * due to that AP failing to operate correctly if PMKID is
182 		 * included in the Association Request frame. To work around
183 		 * this, assume PMKSA caching failed and try to initiate full
184 		 * EAP authentication.
185 		 */
186 		if (!wpa_s->current_ssid ||
187 		    wpa_s->current_ssid->eap_workaround) {
188 			wpa_printf(MSG_DEBUG,
189 				   "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");
190 		} else {
191 			wpa_printf(MSG_DEBUG,
192 				   "RSN: PMKSA caching - do not send EAPOL-Start");
193 			return -1;
194 		}
195 	}
196 
197 	if (is_zero_ether_addr(wpa_s->bssid)) {
198 		wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
199 			   "EAPOL frame");
200 		if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
201 		    !is_zero_ether_addr(bssid)) {
202 			dst = bssid;
203 			wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
204 				   " from the driver as the EAPOL destination",
205 				   MAC2STR(dst));
206 		} else {
207 			dst = wpa_s->last_eapol_src;
208 			wpa_printf(MSG_DEBUG, "Using the source address of the"
209 				   " last received EAPOL frame " MACSTR " as "
210 				   "the EAPOL destination",
211 				   MAC2STR(dst));
212 		}
213 	} else {
214 		/* BSSID was already set (from (Re)Assoc event, so use it as
215 		 * the EAPOL destination. */
216 		dst = wpa_s->bssid;
217 	}
218 
219 	msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
220 	if (msg == NULL)
221 		return -1;
222 
223 	wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
224 	wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
225 	res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
226 	os_free(msg);
227 	return res;
228 }
229 
230 
231 #ifdef CONFIG_WEP
232 /**
233  * wpa_eapol_set_wep_key - set WEP key for the driver
234  * @ctx: Pointer to wpa_supplicant data (wpa_s)
235  * @unicast: 1 = individual unicast key, 0 = broadcast key
236  * @keyidx: WEP key index (0..3)
237  * @key: Pointer to key data
238  * @keylen: Key length in bytes
239  * Returns: 0 on success or < 0 on error.
240  */
241 static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
242 				 const u8 *key, size_t keylen)
243 {
244 	struct wpa_supplicant *wpa_s = ctx;
245 	if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
246 		int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
247 			WPA_CIPHER_WEP104;
248 		if (unicast)
249 			wpa_s->pairwise_cipher = cipher;
250 		else
251 			wpa_s->group_cipher = cipher;
252 	}
253 	return wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
254 			       unicast ? wpa_s->bssid : NULL,
255 			       keyidx, unicast, NULL, 0, key, keylen,
256 			       unicast ? KEY_FLAG_PAIRWISE_RX_TX :
257 			       KEY_FLAG_GROUP_RX_TX_DEFAULT);
258 }
259 #endif /* CONFIG_WEP */
260 
261 
262 static void wpa_supplicant_aborted_cached(void *ctx)
263 {
264 	struct wpa_supplicant *wpa_s = ctx;
265 	wpa_sm_aborted_cached(wpa_s->wpa);
266 }
267 
268 
269 static const char * result_str(enum eapol_supp_result result)
270 {
271 	switch (result) {
272 	case EAPOL_SUPP_RESULT_FAILURE:
273 		return "FAILURE";
274 	case EAPOL_SUPP_RESULT_SUCCESS:
275 		return "SUCCESS";
276 	case EAPOL_SUPP_RESULT_EXPECTED_FAILURE:
277 		return "EXPECTED_FAILURE";
278 	}
279 	return "?";
280 }
281 
282 
283 static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol,
284 				    enum eapol_supp_result result,
285 				    void *ctx)
286 {
287 	struct wpa_supplicant *wpa_s = ctx;
288 	int res, pmk_len;
289 	u8 pmk[PMK_LEN];
290 
291 	wpa_printf(MSG_DEBUG, "EAPOL authentication completed - result=%s",
292 		   result_str(result));
293 
294 	if (wpas_wps_eapol_cb(wpa_s) > 0)
295 		return;
296 
297 	wpa_s->eap_expected_failure = result ==
298 		EAPOL_SUPP_RESULT_EXPECTED_FAILURE;
299 
300 	if (result != EAPOL_SUPP_RESULT_SUCCESS) {
301 		/*
302 		 * Make sure we do not get stuck here waiting for long EAPOL
303 		 * timeout if the AP does not disconnect in case of
304 		 * authentication failure.
305 		 */
306 		wpa_supplicant_req_auth_timeout(wpa_s, 2, 0);
307 	} else {
308 		ieee802_1x_notify_create_actor(wpa_s, wpa_s->last_eapol_src);
309 	}
310 
311 	if (result != EAPOL_SUPP_RESULT_SUCCESS ||
312 	    !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
313 		return;
314 
315 	if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
316 		return;
317 
318 	wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
319 		   "handshake");
320 
321 	pmk_len = PMK_LEN;
322 	if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) {
323 #ifdef CONFIG_IEEE80211R
324 		u8 buf[2 * PMK_LEN];
325 		wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for "
326 			   "driver-based 4-way hs and FT");
327 		res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN);
328 		if (res == 0) {
329 			os_memcpy(pmk, buf + PMK_LEN, PMK_LEN);
330 			os_memset(buf, 0, sizeof(buf));
331 		}
332 #else /* CONFIG_IEEE80211R */
333 		res = -1;
334 #endif /* CONFIG_IEEE80211R */
335 	} else {
336 		res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
337 		if (res) {
338 			/*
339 			 * EAP-LEAP is an exception from other EAP methods: it
340 			 * uses only 16-byte PMK.
341 			 */
342 			res = eapol_sm_get_key(eapol, pmk, 16);
343 			pmk_len = 16;
344 		}
345 	}
346 
347 	if (res) {
348 		wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
349 			   "machines");
350 		return;
351 	}
352 
353 	wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
354 			"handshake", pmk, pmk_len);
355 
356 	if (wpa_drv_set_key(wpa_s, 0, NULL, 0, 0, NULL, 0, pmk,
357 			    pmk_len, KEY_FLAG_PMK)) {
358 		wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
359 	}
360 
361 	wpa_supplicant_cancel_scan(wpa_s);
362 	wpa_supplicant_cancel_auth_timeout(wpa_s);
363 	wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
364 
365 }
366 
367 
368 static void wpa_supplicant_notify_eapol_done(void *ctx)
369 {
370 	struct wpa_supplicant *wpa_s = ctx;
371 	wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
372 	if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
373 		wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
374 	} else {
375 		wpa_supplicant_cancel_auth_timeout(wpa_s);
376 		wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
377 	}
378 }
379 
380 #endif /* IEEE8021X_EAPOL */
381 
382 
383 #ifndef CONFIG_NO_WPA
384 
385 static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
386 {
387 	int ret = 0;
388 	struct wpa_bss *curr = NULL, *bss;
389 	struct wpa_ssid *ssid = wpa_s->current_ssid;
390 	const u8 *ie;
391 
392 	dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
393 		if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0)
394 			continue;
395 		if (ssid == NULL ||
396 		    ((bss->ssid_len == ssid->ssid_len &&
397 		      os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
398 		     ssid->ssid_len == 0)) {
399 			curr = bss;
400 			break;
401 		}
402 #ifdef CONFIG_OWE
403 		if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
404 		    (bss->flags & WPA_BSS_OWE_TRANSITION)) {
405 			curr = bss;
406 			break;
407 		}
408 #endif /* CONFIG_OWE */
409 	}
410 
411 	if (curr) {
412 		ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
413 		if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
414 			ret = -1;
415 
416 		ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
417 		if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
418 			ret = -1;
419 
420 		ie = wpa_bss_get_ie(curr, WLAN_EID_RSNX);
421 		if (wpa_sm_set_ap_rsnxe(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
422 			ret = -1;
423 	} else {
424 		ret = -1;
425 	}
426 
427 	return ret;
428 }
429 
430 
431 static int wpa_supplicant_get_beacon_ie(void *ctx)
432 {
433 	struct wpa_supplicant *wpa_s = ctx;
434 	if (wpa_get_beacon_ie(wpa_s) == 0) {
435 		return 0;
436 	}
437 
438 	/* No WPA/RSN IE found in the cached scan results. Try to get updated
439 	 * scan results from the driver. */
440 	if (wpa_supplicant_update_scan_results(wpa_s) < 0)
441 		return -1;
442 
443 	return wpa_get_beacon_ie(wpa_s);
444 }
445 
446 
447 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
448 			     const void *data, u16 data_len,
449 			     size_t *msg_len, void **data_pos)
450 {
451 	return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
452 }
453 
454 
455 static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
456 			   const u8 *buf, size_t len)
457 {
458 	return wpa_ether_send(wpa_s, dest, proto, buf, len);
459 }
460 
461 
462 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
463 {
464 	wpa_supplicant_cancel_auth_timeout(wpa_s);
465 }
466 
467 
468 static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
469 {
470 	wpa_supplicant_set_state(wpa_s, state);
471 }
472 
473 
474 /**
475  * wpa_supplicant_get_state - Get the connection state
476  * @wpa_s: Pointer to wpa_supplicant data
477  * Returns: The current connection state (WPA_*)
478  */
479 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
480 {
481 	return wpa_s->wpa_state;
482 }
483 
484 
485 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
486 {
487 	return wpa_supplicant_get_state(wpa_s);
488 }
489 
490 
491 static void _wpa_supplicant_deauthenticate(void *wpa_s, u16 reason_code)
492 {
493 	wpa_supplicant_deauthenticate(wpa_s, reason_code);
494 	/* Schedule a scan to make sure we continue looking for networks */
495 	wpa_supplicant_req_scan(wpa_s, 5, 0);
496 }
497 
498 
499 static void _wpa_supplicant_reconnect(void *wpa_s)
500 {
501 	wpa_supplicant_reconnect(wpa_s);
502 }
503 
504 
505 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
506 {
507 	return wpa_supplicant_get_ssid(wpa_s);
508 }
509 
510 
511 static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
512 {
513 	struct wpa_supplicant *wpa_s = ctx;
514 	return wpa_drv_get_bssid(wpa_s, bssid);
515 }
516 
517 
518 static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
519 				  const u8 *addr, int key_idx, int set_tx,
520 				  const u8 *seq, size_t seq_len,
521 				  const u8 *key, size_t key_len,
522 				  enum key_flag key_flag)
523 {
524 	struct wpa_supplicant *wpa_s = _wpa_s;
525 	if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
526 		/* Clear the MIC error counter when setting a new PTK. */
527 		wpa_s->mic_errors_seen = 0;
528 	}
529 #ifdef CONFIG_TESTING_GET_GTK
530 	if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) &&
531 	    alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
532 		os_memcpy(wpa_s->last_gtk, key, key_len);
533 		wpa_s->last_gtk_len = key_len;
534 	}
535 #endif /* CONFIG_TESTING_GET_GTK */
536 #ifdef CONFIG_TESTING_OPTIONS
537 	if (addr && !is_broadcast_ether_addr(addr) &&
538 	    !(key_flag & KEY_FLAG_MODIFY)) {
539 		wpa_s->last_tk_alg = alg;
540 		os_memcpy(wpa_s->last_tk_addr, addr, ETH_ALEN);
541 		wpa_s->last_tk_key_idx = key_idx;
542 		if (key)
543 			os_memcpy(wpa_s->last_tk, key, key_len);
544 		wpa_s->last_tk_len = key_len;
545 	}
546 #endif /* CONFIG_TESTING_OPTIONS */
547 	return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
548 			       key, key_len, key_flag);
549 }
550 
551 
552 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
553 					     int protection_type,
554 					     int key_type)
555 {
556 	return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
557 					  key_type);
558 }
559 
560 
561 static struct wpa_ssid * wpas_get_network_ctx(struct wpa_supplicant *wpa_s,
562 					      void *network_ctx)
563 {
564 	struct wpa_ssid *ssid;
565 
566 	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
567 		if (network_ctx == ssid)
568 			return ssid;
569 	}
570 
571 	return NULL;
572 }
573 
574 
575 static int wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx,
576 				    const u8 *bssid, const u8 *pmkid,
577 				    const u8 *fils_cache_id,
578 				    const u8 *pmk, size_t pmk_len,
579 				    u32 pmk_lifetime, u8 pmk_reauth_threshold,
580 				    int akmp)
581 {
582 	struct wpa_supplicant *wpa_s = _wpa_s;
583 	struct wpa_ssid *ssid;
584 	struct wpa_pmkid_params params;
585 
586 	os_memset(&params, 0, sizeof(params));
587 	ssid = wpas_get_network_ctx(wpa_s, network_ctx);
588 	if (ssid) {
589 		wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_ADDED MACSTR " %d",
590 			MAC2STR(bssid), ssid->id);
591 		if ((akmp == WPA_KEY_MGMT_FT_IEEE8021X ||
592 		     akmp == WPA_KEY_MGMT_FT_IEEE8021X_SHA384) &&
593 		    !ssid->ft_eap_pmksa_caching) {
594 			/* Since we will not be using PMKSA caching for FT-EAP
595 			 * within wpa_supplicant to avoid known interop issues
596 			 * with APs, do not add this PMKID to the driver either
597 			 * so that we won't be hitting those interop issues
598 			 * with driver-based RSNE generation. */
599 			wpa_printf(MSG_DEBUG,
600 				   "FT: Do not add PMKID entry to the driver since FT-EAP PMKSA caching is not enabled in configuration");
601 			return 0;
602 		}
603 	}
604 	if (ssid && fils_cache_id) {
605 		params.ssid = ssid->ssid;
606 		params.ssid_len = ssid->ssid_len;
607 		params.fils_cache_id = fils_cache_id;
608 	} else {
609 		params.bssid = bssid;
610 	}
611 
612 	params.pmkid = pmkid;
613 	params.pmk = pmk;
614 	params.pmk_len = pmk_len;
615 	params.pmk_lifetime = pmk_lifetime;
616 	params.pmk_reauth_threshold = pmk_reauth_threshold;
617 
618 	return wpa_drv_add_pmkid(wpa_s, &params);
619 }
620 
621 
622 static int wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx,
623 				       const u8 *bssid, const u8 *pmkid,
624 				       const u8 *fils_cache_id)
625 {
626 	struct wpa_supplicant *wpa_s = _wpa_s;
627 	struct wpa_ssid *ssid;
628 	struct wpa_pmkid_params params;
629 
630 	os_memset(&params, 0, sizeof(params));
631 	ssid = wpas_get_network_ctx(wpa_s, network_ctx);
632 	if (ssid)
633 		wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_REMOVED MACSTR " %d",
634 			MAC2STR(bssid), ssid->id);
635 	if (ssid && fils_cache_id) {
636 		params.ssid = ssid->ssid;
637 		params.ssid_len = ssid->ssid_len;
638 		params.fils_cache_id = fils_cache_id;
639 	} else {
640 		params.bssid = bssid;
641 	}
642 
643 	params.pmkid = pmkid;
644 
645 	return wpa_drv_remove_pmkid(wpa_s, &params);
646 }
647 
648 
649 #ifdef CONFIG_IEEE80211R
650 static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
651 					const u8 *ies, size_t ies_len)
652 {
653 	struct wpa_supplicant *wpa_s = ctx;
654 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
655 		return sme_update_ft_ies(wpa_s, md, ies, ies_len);
656 	return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
657 }
658 
659 
660 static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
661 					 const u8 *target_ap,
662 					 const u8 *ies, size_t ies_len)
663 {
664 	struct wpa_supplicant *wpa_s = ctx;
665 	int ret;
666 	u8 *data, *pos;
667 	size_t data_len;
668 
669 	if (action != 1) {
670 		wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d",
671 			   action);
672 		return -1;
673 	}
674 
675 	/*
676 	 * Action frame payload:
677 	 * Category[1] = 6 (Fast BSS Transition)
678 	 * Action[1] = 1 (Fast BSS Transition Request)
679 	 * STA Address
680 	 * Target AP Address
681 	 * FT IEs
682 	 */
683 
684 	data_len = 2 + 2 * ETH_ALEN + ies_len;
685 	data = os_malloc(data_len);
686 	if (data == NULL)
687 		return -1;
688 	pos = data;
689 	*pos++ = 0x06; /* FT Action category */
690 	*pos++ = action;
691 	os_memcpy(pos, wpa_s->own_addr, ETH_ALEN);
692 	pos += ETH_ALEN;
693 	os_memcpy(pos, target_ap, ETH_ALEN);
694 	pos += ETH_ALEN;
695 	os_memcpy(pos, ies, ies_len);
696 
697 	ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
698 				  wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid,
699 				  data, data_len, 0);
700 	os_free(data);
701 
702 	return ret;
703 }
704 
705 
706 static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
707 {
708 	struct wpa_supplicant *wpa_s = ctx;
709 	struct wpa_driver_auth_params params;
710 	struct wpa_bss *bss;
711 
712 	bss = wpa_bss_get_bssid(wpa_s, target_ap);
713 	if (bss == NULL)
714 		return -1;
715 
716 	os_memset(&params, 0, sizeof(params));
717 	params.bssid = target_ap;
718 	params.freq = bss->freq;
719 	params.ssid = bss->ssid;
720 	params.ssid_len = bss->ssid_len;
721 	params.auth_alg = WPA_AUTH_ALG_FT;
722 	params.local_state_change = 1;
723 	return wpa_drv_authenticate(wpa_s, &params);
724 }
725 #endif /* CONFIG_IEEE80211R */
726 
727 
728 #ifdef CONFIG_TDLS
729 
730 static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
731 					int *tdls_ext_setup,
732 					int *tdls_chan_switch)
733 {
734 	struct wpa_supplicant *wpa_s = ctx;
735 
736 	*tdls_supported = 0;
737 	*tdls_ext_setup = 0;
738 	*tdls_chan_switch = 0;
739 
740 	if (!wpa_s->drv_capa_known)
741 		return -1;
742 
743 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)
744 		*tdls_supported = 1;
745 
746 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
747 		*tdls_ext_setup = 1;
748 
749 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
750 		*tdls_chan_switch = 1;
751 
752 	return 0;
753 }
754 
755 
756 static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
757 					 u8 action_code, u8 dialog_token,
758 					 u16 status_code, u32 peer_capab,
759 					 int initiator, const u8 *buf,
760 					 size_t len)
761 {
762 	struct wpa_supplicant *wpa_s = ctx;
763 	return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
764 				      status_code, peer_capab, initiator, buf,
765 				      len);
766 }
767 
768 
769 static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)
770 {
771 	struct wpa_supplicant *wpa_s = ctx;
772 	return wpa_drv_tdls_oper(wpa_s, oper, peer);
773 }
774 
775 
776 static int wpa_supplicant_tdls_peer_addset(
777 	void *ctx, const u8 *peer, int add, u16 aid, u16 capability,
778 	const u8 *supp_rates, size_t supp_rates_len,
779 	const struct ieee80211_ht_capabilities *ht_capab,
780 	const struct ieee80211_vht_capabilities *vht_capab,
781 	const struct ieee80211_he_capabilities *he_capab,
782 	size_t he_capab_len,
783 	const struct ieee80211_he_6ghz_band_cap *he_6ghz_he_capab,
784 	u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len,
785 	const u8 *supp_channels, size_t supp_channels_len,
786 	const u8 *supp_oper_classes, size_t supp_oper_classes_len)
787 {
788 	struct wpa_supplicant *wpa_s = ctx;
789 	struct hostapd_sta_add_params params;
790 
791 	os_memset(&params, 0, sizeof(params));
792 
793 	params.addr = peer;
794 	params.aid = aid;
795 	params.capability = capability;
796 	params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED;
797 
798 	/*
799 	 * Don't rely only on qosinfo for WMM capability. It may be 0 even when
800 	 * present. Allow the WMM IE to also indicate QoS support.
801 	 */
802 	if (wmm || qosinfo)
803 		params.flags |= WPA_STA_WMM;
804 
805 	params.ht_capabilities = ht_capab;
806 	params.vht_capabilities = vht_capab;
807 	params.he_capab = he_capab;
808 	params.he_capab_len = he_capab_len;
809 	params.he_6ghz_capab = he_6ghz_he_capab;
810 	params.qosinfo = qosinfo;
811 	params.listen_interval = 0;
812 	params.supp_rates = supp_rates;
813 	params.supp_rates_len = supp_rates_len;
814 	params.set = !add;
815 	params.ext_capab = ext_capab;
816 	params.ext_capab_len = ext_capab_len;
817 	params.supp_channels = supp_channels;
818 	params.supp_channels_len = supp_channels_len;
819 	params.supp_oper_classes = supp_oper_classes;
820 	params.supp_oper_classes_len = supp_oper_classes_len;
821 
822 	return wpa_drv_sta_add(wpa_s, &params);
823 }
824 
825 
826 static int wpa_supplicant_tdls_enable_channel_switch(
827 	void *ctx, const u8 *addr, u8 oper_class,
828 	const struct hostapd_freq_params *params)
829 {
830 	struct wpa_supplicant *wpa_s = ctx;
831 
832 	return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class,
833 						  params);
834 }
835 
836 
837 static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)
838 {
839 	struct wpa_supplicant *wpa_s = ctx;
840 
841 	return wpa_drv_tdls_disable_channel_switch(wpa_s, addr);
842 }
843 
844 #endif /* CONFIG_TDLS */
845 
846 #endif /* CONFIG_NO_WPA */
847 
848 
849 enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field)
850 {
851 	if (os_strcmp(field, "IDENTITY") == 0)
852 		return WPA_CTRL_REQ_EAP_IDENTITY;
853 	else if (os_strcmp(field, "PASSWORD") == 0)
854 		return WPA_CTRL_REQ_EAP_PASSWORD;
855 	else if (os_strcmp(field, "NEW_PASSWORD") == 0)
856 		return WPA_CTRL_REQ_EAP_NEW_PASSWORD;
857 	else if (os_strcmp(field, "PIN") == 0)
858 		return WPA_CTRL_REQ_EAP_PIN;
859 	else if (os_strcmp(field, "OTP") == 0)
860 		return WPA_CTRL_REQ_EAP_OTP;
861 	else if (os_strcmp(field, "PASSPHRASE") == 0)
862 		return WPA_CTRL_REQ_EAP_PASSPHRASE;
863 	else if (os_strcmp(field, "SIM") == 0)
864 		return WPA_CTRL_REQ_SIM;
865 	else if (os_strcmp(field, "PSK_PASSPHRASE") == 0)
866 		return WPA_CTRL_REQ_PSK_PASSPHRASE;
867 	else if (os_strcmp(field, "EXT_CERT_CHECK") == 0)
868 		return WPA_CTRL_REQ_EXT_CERT_CHECK;
869 	return WPA_CTRL_REQ_UNKNOWN;
870 }
871 
872 
873 const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,
874 					       const char *default_txt,
875 					       const char **txt)
876 {
877 	const char *ret = NULL;
878 
879 	*txt = default_txt;
880 
881 	switch (field) {
882 	case WPA_CTRL_REQ_EAP_IDENTITY:
883 		*txt = "Identity";
884 		ret = "IDENTITY";
885 		break;
886 	case WPA_CTRL_REQ_EAP_PASSWORD:
887 		*txt = "Password";
888 		ret = "PASSWORD";
889 		break;
890 	case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
891 		*txt = "New Password";
892 		ret = "NEW_PASSWORD";
893 		break;
894 	case WPA_CTRL_REQ_EAP_PIN:
895 		*txt = "PIN";
896 		ret = "PIN";
897 		break;
898 	case WPA_CTRL_REQ_EAP_OTP:
899 		ret = "OTP";
900 		break;
901 	case WPA_CTRL_REQ_EAP_PASSPHRASE:
902 		*txt = "Private key passphrase";
903 		ret = "PASSPHRASE";
904 		break;
905 	case WPA_CTRL_REQ_SIM:
906 		ret = "SIM";
907 		break;
908 	case WPA_CTRL_REQ_PSK_PASSPHRASE:
909 		*txt = "PSK or passphrase";
910 		ret = "PSK_PASSPHRASE";
911 		break;
912 	case WPA_CTRL_REQ_EXT_CERT_CHECK:
913 		*txt = "External server certificate validation";
914 		ret = "EXT_CERT_CHECK";
915 		break;
916 	default:
917 		break;
918 	}
919 
920 	/* txt needs to be something */
921 	if (*txt == NULL) {
922 		wpa_printf(MSG_WARNING, "No message for request %d", field);
923 		ret = NULL;
924 	}
925 
926 	return ret;
927 }
928 
929 
930 void wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
931 			const char *field_name, const char *txt)
932 {
933 	char *buf;
934 	size_t buflen;
935 	int len;
936 
937 	buflen = 100 + os_strlen(txt) + ssid->ssid_len;
938 	buf = os_malloc(buflen);
939 	if (buf == NULL)
940 		return;
941 	len = os_snprintf(buf, buflen, "%s-%d:%s needed for SSID ",
942 			  field_name, ssid->id, txt);
943 	if (os_snprintf_error(buflen, len)) {
944 		os_free(buf);
945 		return;
946 	}
947 	if (ssid->ssid && buflen > len + ssid->ssid_len) {
948 		os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
949 		len += ssid->ssid_len;
950 		buf[len] = '\0';
951 	}
952 	buf[buflen - 1] = '\0';
953 	wpa_msg(wpa_s, MSG_INFO, WPA_CTRL_REQ "%s", buf);
954 	os_free(buf);
955 }
956 
957 
958 #ifdef IEEE8021X_EAPOL
959 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
960 static void wpa_supplicant_eap_param_needed(void *ctx,
961 					    enum wpa_ctrl_req_type field,
962 					    const char *default_txt)
963 {
964 	struct wpa_supplicant *wpa_s = ctx;
965 	struct wpa_ssid *ssid = wpa_s->current_ssid;
966 	const char *field_name, *txt = NULL;
967 
968 	if (ssid == NULL)
969 		return;
970 
971 	if (field == WPA_CTRL_REQ_EXT_CERT_CHECK)
972 		ssid->eap.pending_ext_cert_check = PENDING_CHECK;
973 	wpas_notify_network_request(wpa_s, ssid, field, default_txt);
974 
975 	field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
976 						       &txt);
977 	if (field_name == NULL) {
978 		wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
979 			   field);
980 		return;
981 	}
982 
983 	wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name);
984 
985 	wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
986 }
987 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
988 #define wpa_supplicant_eap_param_needed NULL
989 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
990 
991 
992 #ifdef CONFIG_EAP_PROXY
993 
994 static void wpa_supplicant_eap_proxy_cb(void *ctx)
995 {
996 	struct wpa_supplicant *wpa_s = ctx;
997 	size_t len;
998 
999 	wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, -1,
1000 						     wpa_s->imsi, &len);
1001 	if (wpa_s->mnc_len > 0) {
1002 		wpa_s->imsi[len] = '\0';
1003 		wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
1004 			   wpa_s->imsi, wpa_s->mnc_len);
1005 	} else {
1006 		wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
1007 	}
1008 }
1009 
1010 
1011 static void wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s)
1012 {
1013 	int i;
1014 	struct wpa_ssid *ssid;
1015 	const struct eap_method_type *eap_methods;
1016 
1017 	if (!wpa_s->conf)
1018 		return;
1019 
1020 	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)	{
1021 		eap_methods = ssid->eap.eap_methods;
1022 		if (!eap_methods)
1023 			continue;
1024 
1025 		for (i = 0; eap_methods[i].method != EAP_TYPE_NONE; i++) {
1026 			if (eap_methods[i].vendor == EAP_VENDOR_IETF &&
1027 			    (eap_methods[i].method == EAP_TYPE_SIM ||
1028 			     eap_methods[i].method == EAP_TYPE_AKA ||
1029 			     eap_methods[i].method == EAP_TYPE_AKA_PRIME)) {
1030 				wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
1031 				break;
1032 			}
1033 		}
1034 	}
1035 }
1036 
1037 
1038 static void
1039 wpa_supplicant_eap_proxy_notify_sim_status(void *ctx,
1040 					   enum eap_proxy_sim_state sim_state)
1041 {
1042 	struct wpa_supplicant *wpa_s = ctx;
1043 
1044 	wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status %u", sim_state);
1045 	switch (sim_state) {
1046 	case SIM_STATE_ERROR:
1047 		wpa_sm_sim_state_error_handler(wpa_s);
1048 		break;
1049 	default:
1050 		wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status unknown");
1051 		break;
1052 	}
1053 }
1054 
1055 #endif /* CONFIG_EAP_PROXY */
1056 
1057 
1058 static void wpa_supplicant_port_cb(void *ctx, int authorized)
1059 {
1060 	struct wpa_supplicant *wpa_s = ctx;
1061 #ifdef CONFIG_AP
1062 	if (wpa_s->ap_iface) {
1063 		wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
1064 			   "port status: %s",
1065 			   authorized ? "Authorized" : "Unauthorized");
1066 		return;
1067 	}
1068 #endif /* CONFIG_AP */
1069 	wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
1070 		   authorized ? "Authorized" : "Unauthorized");
1071 	wpa_drv_set_supp_port(wpa_s, authorized);
1072 }
1073 
1074 
1075 static void wpa_supplicant_cert_cb(void *ctx, struct tls_cert_data *cert,
1076 				   const char *cert_hash)
1077 {
1078 	struct wpa_supplicant *wpa_s = ctx;
1079 
1080 	wpas_notify_certification(wpa_s, cert, cert_hash);
1081 }
1082 
1083 
1084 static void wpa_supplicant_status_cb(void *ctx, const char *status,
1085 				     const char *parameter)
1086 {
1087 	struct wpa_supplicant *wpa_s = ctx;
1088 
1089 	wpas_notify_eap_status(wpa_s, status, parameter);
1090 }
1091 
1092 
1093 static void wpa_supplicant_eap_error_cb(void *ctx, int error_code)
1094 {
1095 	struct wpa_supplicant *wpa_s = ctx;
1096 
1097 	wpas_notify_eap_error(wpa_s, error_code);
1098 }
1099 
1100 
1101 static int wpa_supplicant_eap_auth_start_cb(void *ctx)
1102 {
1103 	struct wpa_supplicant *wpa_s = ctx;
1104 
1105 	if (!wpa_s->new_connection && wpa_s->deny_ptk0_rekey &&
1106 	    !wpa_sm_ext_key_id_active(wpa_s->wpa)) {
1107 		wpa_msg(wpa_s, MSG_INFO,
1108 			"WPA: PTK0 rekey not allowed, reconnecting");
1109 		wpa_supplicant_reconnect(wpa_s);
1110 		return -1;
1111 	}
1112 	return 0;
1113 }
1114 
1115 
1116 static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
1117 {
1118 	struct wpa_supplicant *wpa_s = ctx;
1119 	char *str;
1120 	int res;
1121 
1122 	wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
1123 			  id, len);
1124 
1125 	if (wpa_s->current_ssid == NULL)
1126 		return;
1127 
1128 	if (id == NULL) {
1129 		if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1130 				   "NULL", 0) < 0)
1131 			return;
1132 	} else {
1133 		str = os_malloc(len * 2 + 1);
1134 		if (str == NULL)
1135 			return;
1136 		wpa_snprintf_hex(str, len * 2 + 1, id, len);
1137 		res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1138 				     str, 0);
1139 		os_free(str);
1140 		if (res < 0)
1141 			return;
1142 	}
1143 
1144 	if (wpa_s->conf->update_config) {
1145 		res = wpa_config_write(wpa_s->confname, wpa_s->conf);
1146 		if (res) {
1147 			wpa_printf(MSG_DEBUG, "Failed to update config after "
1148 				   "anonymous_id update");
1149 		}
1150 	}
1151 }
1152 #endif /* IEEE8021X_EAPOL */
1153 
1154 
1155 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
1156 {
1157 #ifdef IEEE8021X_EAPOL
1158 	struct eapol_ctx *ctx;
1159 	ctx = os_zalloc(sizeof(*ctx));
1160 	if (ctx == NULL) {
1161 		wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
1162 		return -1;
1163 	}
1164 
1165 	ctx->ctx = wpa_s;
1166 	ctx->msg_ctx = wpa_s;
1167 	ctx->eapol_send_ctx = wpa_s;
1168 	ctx->preauth = 0;
1169 	ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
1170 	ctx->eapol_send = wpa_supplicant_eapol_send;
1171 #ifdef CONFIG_WEP
1172 	ctx->set_wep_key = wpa_eapol_set_wep_key;
1173 #endif /* CONFIG_WEP */
1174 #ifndef CONFIG_NO_CONFIG_BLOBS
1175 	ctx->set_config_blob = wpa_supplicant_set_config_blob;
1176 	ctx->get_config_blob = wpa_supplicant_get_config_blob;
1177 #endif /* CONFIG_NO_CONFIG_BLOBS */
1178 	ctx->aborted_cached = wpa_supplicant_aborted_cached;
1179 	ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
1180 	ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
1181 	ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
1182 	ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
1183 	ctx->wps = wpa_s->wps;
1184 	ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
1185 #ifdef CONFIG_EAP_PROXY
1186 	ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb;
1187 	ctx->eap_proxy_notify_sim_status =
1188 		wpa_supplicant_eap_proxy_notify_sim_status;
1189 #endif /* CONFIG_EAP_PROXY */
1190 	ctx->port_cb = wpa_supplicant_port_cb;
1191 	ctx->cb = wpa_supplicant_eapol_cb;
1192 	ctx->cert_cb = wpa_supplicant_cert_cb;
1193 	ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
1194 	ctx->status_cb = wpa_supplicant_status_cb;
1195 	ctx->eap_error_cb = wpa_supplicant_eap_error_cb;
1196 	ctx->confirm_auth_cb = wpa_supplicant_eap_auth_start_cb;
1197 	ctx->set_anon_id = wpa_supplicant_set_anon_id;
1198 	ctx->cb_ctx = wpa_s;
1199 	wpa_s->eapol = eapol_sm_init(ctx);
1200 	if (wpa_s->eapol == NULL) {
1201 		os_free(ctx);
1202 		wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
1203 			   "machines.");
1204 		return -1;
1205 	}
1206 #endif /* IEEE8021X_EAPOL */
1207 
1208 	return 0;
1209 }
1210 
1211 
1212 #ifndef CONFIG_NO_WPA
1213 
1214 static void wpa_supplicant_set_rekey_offload(void *ctx,
1215 					     const u8 *kek, size_t kek_len,
1216 					     const u8 *kck, size_t kck_len,
1217 					     const u8 *replay_ctr)
1218 {
1219 	struct wpa_supplicant *wpa_s = ctx;
1220 
1221 	wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
1222 }
1223 
1224 
1225 static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
1226 					   size_t pmk_len)
1227 {
1228 	struct wpa_supplicant *wpa_s = ctx;
1229 
1230 	if (wpa_s->conf->key_mgmt_offload &&
1231 	    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
1232 		return wpa_drv_set_key(wpa_s, 0, NULL, 0, 0,
1233 				       NULL, 0, pmk, pmk_len, KEY_FLAG_PMK);
1234 	else
1235 		return 0;
1236 }
1237 
1238 
1239 static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src,
1240 				       const u8 *pkt, size_t pkt_len)
1241 {
1242 	struct wpa_supplicant *wpa_s = ctx;
1243 	char *hex;
1244 	size_t hexlen;
1245 
1246 	hexlen = pkt_len * 2 + 1;
1247 	hex = os_malloc(hexlen);
1248 	if (!hex)
1249 		return;
1250 	wpa_snprintf_hex(hex, hexlen, pkt, pkt_len);
1251 	wpa_msg(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR
1252 		" frame=%s", MAC2STR(dst), MAC2STR(src), hex);
1253 	os_free(hex);
1254 }
1255 
1256 
1257 static int wpa_supplicant_channel_info(void *_wpa_s,
1258 				       struct wpa_channel_info *ci)
1259 {
1260 	struct wpa_supplicant *wpa_s = _wpa_s;
1261 
1262 	return wpa_drv_channel_info(wpa_s, ci);
1263 }
1264 
1265 
1266 static void disable_wpa_wpa2(struct wpa_ssid *ssid)
1267 {
1268 	ssid->proto &= ~WPA_PROTO_WPA;
1269 	ssid->proto |= WPA_PROTO_RSN;
1270 	ssid->key_mgmt &= ~(WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK |
1271 			    WPA_KEY_MGMT_PSK_SHA256);
1272 	ssid->group_cipher &= ~WPA_CIPHER_TKIP;
1273 	if (!(ssid->group_cipher & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
1274 				    WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256)))
1275 		ssid->group_cipher |= WPA_CIPHER_CCMP;
1276 	ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED;
1277 }
1278 
1279 
1280 static void wpa_supplicant_transition_disable(void *_wpa_s, u8 bitmap)
1281 {
1282 	struct wpa_supplicant *wpa_s = _wpa_s;
1283 	struct wpa_ssid *ssid;
1284 	int changed = 0;
1285 
1286 	wpa_msg(wpa_s, MSG_INFO, TRANSITION_DISABLE "%02x", bitmap);
1287 
1288 	ssid = wpa_s->current_ssid;
1289 	if (!ssid)
1290 		return;
1291 
1292 #ifdef CONFIG_SAE
1293 	if ((bitmap & TRANSITION_DISABLE_WPA3_PERSONAL) &&
1294 	    wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
1295 	    (ssid->key_mgmt & (WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE)) &&
1296 	    (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1297 	     (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1298 		wpa_printf(MSG_DEBUG,
1299 			   "WPA3-Personal transition mode disabled based on AP notification");
1300 		disable_wpa_wpa2(ssid);
1301 		changed = 1;
1302 	}
1303 
1304 	if ((bitmap & TRANSITION_DISABLE_SAE_PK) &&
1305 	    wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
1306 #ifdef CONFIG_SME
1307 	    wpa_s->sme.sae.state == SAE_ACCEPTED &&
1308 	    wpa_s->sme.sae.pk &&
1309 #endif /* CONFIG_SME */
1310 	    (ssid->key_mgmt & (WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE)) &&
1311 	    (ssid->sae_pk != SAE_PK_MODE_ONLY ||
1312 	     ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1313 	     (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1314 		wpa_printf(MSG_DEBUG,
1315 			   "SAE-PK: SAE authentication without PK disabled based on AP notification");
1316 		disable_wpa_wpa2(ssid);
1317 		ssid->sae_pk = SAE_PK_MODE_ONLY;
1318 		changed = 1;
1319 	}
1320 #endif /* CONFIG_SAE */
1321 
1322 	if ((bitmap & TRANSITION_DISABLE_WPA3_ENTERPRISE) &&
1323 	    wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) &&
1324 	    (ssid->key_mgmt & (WPA_KEY_MGMT_IEEE8021X |
1325 			       WPA_KEY_MGMT_FT_IEEE8021X |
1326 			       WPA_KEY_MGMT_IEEE8021X_SHA256)) &&
1327 	    (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1328 	     (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1329 		disable_wpa_wpa2(ssid);
1330 		changed = 1;
1331 	}
1332 
1333 	if ((bitmap & TRANSITION_DISABLE_ENHANCED_OPEN) &&
1334 	    wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
1335 	    (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
1336 	    !ssid->owe_only) {
1337 		ssid->owe_only = 1;
1338 		changed = 1;
1339 	}
1340 
1341 	if (!changed)
1342 		return;
1343 
1344 #ifndef CONFIG_NO_CONFIG_WRITE
1345 	if (wpa_s->conf->update_config &&
1346 	    wpa_config_write(wpa_s->confname, wpa_s->conf))
1347 		wpa_printf(MSG_DEBUG, "Failed to update configuration");
1348 #endif /* CONFIG_NO_CONFIG_WRITE */
1349 }
1350 
1351 
1352 static void wpa_supplicant_store_ptk(void *ctx, u8 *addr, int cipher,
1353 				     u32 life_time, const struct wpa_ptk *ptk)
1354 {
1355 	struct wpa_supplicant *wpa_s = ctx;
1356 
1357 	ptksa_cache_add(wpa_s->ptksa, addr, cipher, life_time, ptk);
1358 }
1359 
1360 #endif /* CONFIG_NO_WPA */
1361 
1362 
1363 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
1364 {
1365 #ifndef CONFIG_NO_WPA
1366 	struct wpa_sm_ctx *ctx;
1367 
1368 	wpa_s->ptksa = ptksa_cache_init();
1369 	if (!wpa_s->ptksa) {
1370 		wpa_printf(MSG_ERROR, "Failed to allocate PTKSA");
1371 		return -1;
1372 	}
1373 
1374 	ctx = os_zalloc(sizeof(*ctx));
1375 	if (ctx == NULL) {
1376 		wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
1377 
1378 		ptksa_cache_deinit(wpa_s->ptksa);
1379 		wpa_s->ptksa = NULL;
1380 
1381 		return -1;
1382 	}
1383 
1384 	ctx->ctx = wpa_s;
1385 	ctx->msg_ctx = wpa_s;
1386 	ctx->set_state = _wpa_supplicant_set_state;
1387 	ctx->get_state = _wpa_supplicant_get_state;
1388 	ctx->deauthenticate = _wpa_supplicant_deauthenticate;
1389 	ctx->reconnect = _wpa_supplicant_reconnect;
1390 	ctx->set_key = wpa_supplicant_set_key;
1391 	ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
1392 	ctx->get_bssid = wpa_supplicant_get_bssid;
1393 	ctx->ether_send = _wpa_ether_send;
1394 	ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
1395 	ctx->alloc_eapol = _wpa_alloc_eapol;
1396 	ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
1397 	ctx->add_pmkid = wpa_supplicant_add_pmkid;
1398 	ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
1399 #ifndef CONFIG_NO_CONFIG_BLOBS
1400 	ctx->set_config_blob = wpa_supplicant_set_config_blob;
1401 	ctx->get_config_blob = wpa_supplicant_get_config_blob;
1402 #endif /* CONFIG_NO_CONFIG_BLOBS */
1403 	ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
1404 #ifdef CONFIG_IEEE80211R
1405 	ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
1406 	ctx->send_ft_action = wpa_supplicant_send_ft_action;
1407 	ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
1408 #endif /* CONFIG_IEEE80211R */
1409 #ifdef CONFIG_TDLS
1410 	ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
1411 	ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
1412 	ctx->tdls_oper = wpa_supplicant_tdls_oper;
1413 	ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
1414 	ctx->tdls_enable_channel_switch =
1415 		wpa_supplicant_tdls_enable_channel_switch;
1416 	ctx->tdls_disable_channel_switch =
1417 		wpa_supplicant_tdls_disable_channel_switch;
1418 #endif /* CONFIG_TDLS */
1419 	ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
1420 	ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
1421 	ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
1422 	ctx->channel_info = wpa_supplicant_channel_info;
1423 	ctx->transition_disable = wpa_supplicant_transition_disable;
1424 	ctx->store_ptk = wpa_supplicant_store_ptk;
1425 
1426 	wpa_s->wpa = wpa_sm_init(ctx);
1427 	if (wpa_s->wpa == NULL) {
1428 		wpa_printf(MSG_ERROR,
1429 			   "Failed to initialize WPA state machine");
1430 		os_free(ctx);
1431 		ptksa_cache_deinit(wpa_s->ptksa);
1432 		wpa_s->ptksa = NULL;
1433 		return -1;
1434 	}
1435 #endif /* CONFIG_NO_WPA */
1436 
1437 	return 0;
1438 }
1439 
1440 
1441 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
1442 					struct wpa_ssid *ssid)
1443 {
1444 	struct rsn_supp_config conf;
1445 	if (ssid) {
1446 		os_memset(&conf, 0, sizeof(conf));
1447 		conf.network_ctx = ssid;
1448 		conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
1449 #ifdef IEEE8021X_EAPOL
1450 		conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
1451 			wpa_s->conf->okc : ssid->proactive_key_caching;
1452 		conf.eap_workaround = ssid->eap_workaround;
1453 		conf.eap_conf_ctx = &ssid->eap;
1454 #endif /* IEEE8021X_EAPOL */
1455 		conf.ssid = ssid->ssid;
1456 		conf.ssid_len = ssid->ssid_len;
1457 		conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
1458 		conf.wpa_deny_ptk0_rekey = ssid->wpa_deny_ptk0_rekey;
1459 		conf.owe_ptk_workaround = ssid->owe_ptk_workaround;
1460 #ifdef CONFIG_P2P
1461 		if (ssid->p2p_group && wpa_s->current_bss &&
1462 		    !wpa_s->p2p_disable_ip_addr_req) {
1463 			struct wpabuf *p2p;
1464 			p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
1465 							  P2P_IE_VENDOR_TYPE);
1466 			if (p2p) {
1467 				u8 group_capab;
1468 				group_capab = p2p_get_group_capab(p2p);
1469 				if (group_capab &
1470 				    P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
1471 					conf.p2p = 1;
1472 				wpabuf_free(p2p);
1473 			}
1474 		}
1475 #endif /* CONFIG_P2P */
1476 		conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation;
1477 #ifdef CONFIG_FILS
1478 		if (wpa_key_mgmt_fils(wpa_s->key_mgmt))
1479 			conf.fils_cache_id =
1480 				wpa_bss_get_fils_cache_id(wpa_s->current_bss);
1481 #endif /* CONFIG_FILS */
1482 		if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_BEACON_PROTECTION) ||
1483 		    (wpa_s->drv_flags2 &
1484 		     WPA_DRIVER_FLAGS2_BEACON_PROTECTION_CLIENT))
1485 			conf.beacon_prot = ssid->beacon_prot;
1486 
1487 #ifdef CONFIG_PASN
1488 #ifdef CONFIG_TESTING_OPTIONS
1489 		conf.force_kdk_derivation = wpa_s->conf->force_kdk_derivation;
1490 #endif /* CONFIG_TESTING_OPTIONS */
1491 #endif /* CONFIG_PASN */
1492 	}
1493 	wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
1494 }
1495