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)
wpa_supplicant_set_config_blob(void * ctx,struct wpa_config_blob * blob)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 *
wpa_supplicant_get_config_blob(void * ctx,const char * name)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)
wpa_alloc_eapol(const struct wpa_supplicant * wpa_s,u8 type,const void * data,u16 data_len,size_t * msg_len,void ** data_pos)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  */
wpa_ether_send(struct wpa_supplicant * wpa_s,const u8 * dest,u16 proto,const u8 * buf,size_t len)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  */
wpa_supplicant_eapol_send(void * ctx,int type,const u8 * buf,size_t len)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 	struct driver_sta_mlo_info drv_mlo;
152 	size_t msglen;
153 	int res;
154 
155 	/* TODO: could add l2_packet_sendmsg that allows fragments to avoid
156 	 * extra copy here */
157 
158 	if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
159 	    wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
160 	    wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
161 	    wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
162 		/* Current SSID is not using IEEE 802.1X/EAP, so drop possible
163 		 * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
164 		 * machines. */
165 		wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
166 			   "mode (type=%d len=%lu)", type,
167 			   (unsigned long) len);
168 		return -1;
169 	}
170 
171 	if (pmksa_cache_get_current(wpa_s->wpa) &&
172 	    type == IEEE802_1X_TYPE_EAPOL_START) {
173 		/*
174 		 * We were trying to use PMKSA caching and sending EAPOL-Start
175 		 * would abort that and trigger full EAPOL authentication.
176 		 * However, we've already waited for the AP/Authenticator to
177 		 * start 4-way handshake or EAP authentication, and apparently
178 		 * it has not done so since the startWhen timer has reached zero
179 		 * to get the state machine sending EAPOL-Start. This is not
180 		 * really supposed to happen, but an interoperability issue with
181 		 * a deployed AP has been identified where the connection fails
182 		 * due to that AP failing to operate correctly if PMKID is
183 		 * included in the Association Request frame. To work around
184 		 * this, assume PMKSA caching failed and try to initiate full
185 		 * EAP authentication.
186 		 */
187 		if (!wpa_s->current_ssid ||
188 		    wpa_s->current_ssid->eap_workaround) {
189 			wpa_printf(MSG_DEBUG,
190 				   "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");
191 		} else {
192 			wpa_printf(MSG_DEBUG,
193 				   "RSN: PMKSA caching - do not send EAPOL-Start");
194 			return -1;
195 		}
196 	}
197 
198 	if (is_zero_ether_addr(wpa_s->bssid)) {
199 		wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
200 			   "EAPOL frame");
201 		os_memset(&drv_mlo, 0, sizeof(drv_mlo));
202 		if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
203 		    (!wpa_s->valid_links ||
204 		     wpas_drv_get_sta_mlo_info(wpa_s, &drv_mlo) == 0) &&
205 		    !is_zero_ether_addr(bssid)) {
206 			dst = drv_mlo.valid_links ? drv_mlo.ap_mld_addr : bssid;
207 			wpa_printf(MSG_DEBUG, "Using current %s " MACSTR
208 				   " from the driver as the EAPOL destination",
209 				   drv_mlo.valid_links ? "AP MLD MAC address" :
210 				   "BSSID",
211 				   MAC2STR(dst));
212 		} else {
213 			dst = wpa_s->last_eapol_src;
214 			wpa_printf(MSG_DEBUG, "Using the source address of the"
215 				   " last received EAPOL frame " MACSTR " as "
216 				   "the EAPOL destination",
217 				   MAC2STR(dst));
218 		}
219 	} else {
220 		/* BSSID was already set (from (Re)Assoc event, so use BSSID or
221 		 * AP MLD MAC address (in the case of MLO connection) as the
222 		 * EAPOL destination. */
223 		dst = wpa_s->valid_links ? wpa_s->ap_mld_addr : wpa_s->bssid;
224 	}
225 
226 	msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
227 	if (msg == NULL)
228 		return -1;
229 
230 	wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
231 	wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
232 	res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
233 	os_free(msg);
234 	return res;
235 }
236 
237 
238 #ifdef CONFIG_WEP
239 /**
240  * wpa_eapol_set_wep_key - set WEP key for the driver
241  * @ctx: Pointer to wpa_supplicant data (wpa_s)
242  * @unicast: 1 = individual unicast key, 0 = broadcast key
243  * @keyidx: WEP key index (0..3)
244  * @key: Pointer to key data
245  * @keylen: Key length in bytes
246  * Returns: 0 on success or < 0 on error.
247  */
wpa_eapol_set_wep_key(void * ctx,int unicast,int keyidx,const u8 * key,size_t keylen)248 static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
249 				 const u8 *key, size_t keylen)
250 {
251 	struct wpa_supplicant *wpa_s = ctx;
252 	if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
253 		int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
254 			WPA_CIPHER_WEP104;
255 		if (unicast)
256 			wpa_s->pairwise_cipher = cipher;
257 		else
258 			wpa_s->group_cipher = cipher;
259 	}
260 	return wpa_drv_set_key(wpa_s, -1, WPA_ALG_WEP,
261 			       unicast ? wpa_s->bssid : NULL,
262 			       keyidx, unicast, NULL, 0, key, keylen,
263 			       unicast ? KEY_FLAG_PAIRWISE_RX_TX :
264 			       KEY_FLAG_GROUP_RX_TX_DEFAULT);
265 }
266 #endif /* CONFIG_WEP */
267 
268 
wpa_supplicant_aborted_cached(void * ctx)269 static void wpa_supplicant_aborted_cached(void *ctx)
270 {
271 	struct wpa_supplicant *wpa_s = ctx;
272 	wpa_sm_aborted_cached(wpa_s->wpa);
273 }
274 
275 
result_str(enum eapol_supp_result result)276 static const char * result_str(enum eapol_supp_result result)
277 {
278 	switch (result) {
279 	case EAPOL_SUPP_RESULT_FAILURE:
280 		return "FAILURE";
281 	case EAPOL_SUPP_RESULT_SUCCESS:
282 		return "SUCCESS";
283 	case EAPOL_SUPP_RESULT_EXPECTED_FAILURE:
284 		return "EXPECTED_FAILURE";
285 	}
286 	return "?";
287 }
288 
289 
wpa_supplicant_eapol_cb(struct eapol_sm * eapol,enum eapol_supp_result result,void * ctx)290 static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol,
291 				    enum eapol_supp_result result,
292 				    void *ctx)
293 {
294 	struct wpa_supplicant *wpa_s = ctx;
295 	int res, pmk_len;
296 	u8 pmk[PMK_LEN_MAX];
297 
298 	wpa_printf(MSG_DEBUG, "EAPOL authentication completed - result=%s",
299 		   result_str(result));
300 
301 	if (wpas_wps_eapol_cb(wpa_s) > 0)
302 		return;
303 
304 	wpa_s->eap_expected_failure = result ==
305 		EAPOL_SUPP_RESULT_EXPECTED_FAILURE;
306 
307 	if (result != EAPOL_SUPP_RESULT_SUCCESS) {
308 		int timeout = 2;
309 		/*
310 		 * Make sure we do not get stuck here waiting for long EAPOL
311 		 * timeout if the AP does not disconnect in case of
312 		 * authentication failure.
313 		 */
314 		if (wpa_s->eapol_failed) {
315 			wpa_printf(MSG_DEBUG,
316 				   "EAPOL authentication failed again and AP did not disconnect us");
317 			timeout = 0;
318 		}
319 		wpa_s->eapol_failed = 1;
320 		wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0);
321 	} else {
322 		wpa_s->eapol_failed = 0;
323 		ieee802_1x_notify_create_actor(wpa_s, wpa_s->last_eapol_src);
324 	}
325 
326 	if (result != EAPOL_SUPP_RESULT_SUCCESS ||
327 	    !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
328 		return;
329 
330 	if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
331 		return;
332 
333 	wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
334 		   "handshake");
335 
336 	if (wpa_key_mgmt_sha384(wpa_s->key_mgmt))
337 		pmk_len = PMK_LEN_SUITE_B_192;
338 	else
339 		pmk_len = PMK_LEN;
340 
341 	if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) {
342 #ifdef CONFIG_IEEE80211R
343 		u8 buf[2 * PMK_LEN];
344 		wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for "
345 			   "driver-based 4-way hs and FT");
346 		res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN);
347 		if (res == 0) {
348 			if (wpa_key_mgmt_sha384(wpa_s->key_mgmt))
349 				os_memcpy(pmk, buf, pmk_len);
350 			else
351 				os_memcpy(pmk, buf + PMK_LEN, PMK_LEN);
352 			os_memset(buf, 0, sizeof(buf));
353 		}
354 #else /* CONFIG_IEEE80211R */
355 		res = -1;
356 #endif /* CONFIG_IEEE80211R */
357 	} else {
358 		res = eapol_sm_get_key(eapol, pmk, pmk_len);
359 		if (res) {
360 			/*
361 			 * EAP-LEAP is an exception from other EAP methods: it
362 			 * uses only 16-byte PMK.
363 			 */
364 			res = eapol_sm_get_key(eapol, pmk, 16);
365 			pmk_len = 16;
366 		}
367 	}
368 
369 	if (res) {
370 		wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
371 			   "machines");
372 		return;
373 	}
374 
375 	wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
376 			"handshake", pmk, pmk_len);
377 
378 	if (wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0, NULL, 0, pmk,
379 			    pmk_len, KEY_FLAG_PMK)) {
380 		wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
381 	}
382 
383 	wpa_supplicant_cancel_scan(wpa_s);
384 	wpa_supplicant_cancel_auth_timeout(wpa_s);
385 	wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
386 
387 }
388 
389 
wpa_supplicant_notify_eapol_done(void * ctx)390 static void wpa_supplicant_notify_eapol_done(void *ctx)
391 {
392 	struct wpa_supplicant *wpa_s = ctx;
393 	wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
394 	if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
395 		wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
396 	} else {
397 		wpa_supplicant_cancel_auth_timeout(wpa_s);
398 		wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
399 	}
400 }
401 
402 #endif /* IEEE8021X_EAPOL */
403 
404 
405 #ifndef CONFIG_NO_WPA
406 
wpa_get_beacon_ie(struct wpa_supplicant * wpa_s)407 static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
408 {
409 	int ret = 0;
410 	struct wpa_bss *curr = NULL, *bss;
411 	struct wpa_ssid *ssid = wpa_s->current_ssid;
412 	const u8 *ie;
413 
414 	dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
415 		if (!ether_addr_equal(bss->bssid, wpa_s->bssid))
416 			continue;
417 		if (ssid == NULL ||
418 		    ((bss->ssid_len == ssid->ssid_len &&
419 		      os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
420 		     ssid->ssid_len == 0)) {
421 			curr = bss;
422 			break;
423 		}
424 #ifdef CONFIG_OWE
425 		if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
426 		    (bss->flags & WPA_BSS_OWE_TRANSITION)) {
427 			curr = bss;
428 			break;
429 		}
430 #endif /* CONFIG_OWE */
431 	}
432 
433 	if (curr) {
434 		ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
435 		if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
436 			ret = -1;
437 
438 		ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
439 		if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
440 			ret = -1;
441 
442 		ie = wpa_bss_get_ie(curr, WLAN_EID_RSNX);
443 		if (wpa_sm_set_ap_rsnxe(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
444 			ret = -1;
445 
446 		ie = wpa_bss_get_vendor_ie(curr, RSNE_OVERRIDE_IE_VENDOR_TYPE);
447 		if (wpa_sm_set_ap_rsne_override(wpa_s->wpa, ie,
448 						ie ? 2 + ie[1] : 0))
449 			ret = -1;
450 
451 		ie = wpa_bss_get_vendor_ie(curr,
452 					   RSNE_OVERRIDE_2_IE_VENDOR_TYPE);
453 		if (wpa_sm_set_ap_rsne_override_2(wpa_s->wpa, ie,
454 						  ie ? 2 + ie[1] : 0))
455 			ret = -1;
456 
457 		ie = wpa_bss_get_vendor_ie(curr, RSNXE_OVERRIDE_IE_VENDOR_TYPE);
458 		if (wpa_sm_set_ap_rsnxe_override(wpa_s->wpa, ie,
459 						 ie ? 2 + ie[1] : 0))
460 			ret = -1;
461 	} else {
462 		ret = -1;
463 	}
464 
465 	return ret;
466 }
467 
468 
wpa_supplicant_get_beacon_ie(void * ctx)469 static int wpa_supplicant_get_beacon_ie(void *ctx)
470 {
471 	struct wpa_supplicant *wpa_s = ctx;
472 	if (wpa_get_beacon_ie(wpa_s) == 0) {
473 		return 0;
474 	}
475 
476 	/* No WPA/RSN IE found in the cached scan results. Try to get updated
477 	 * scan results from the driver. */
478 	if (wpa_supplicant_update_scan_results(wpa_s, wpa_s->bssid) < 0)
479 		return -1;
480 
481 	return wpa_get_beacon_ie(wpa_s);
482 }
483 
484 
_wpa_alloc_eapol(void * wpa_s,u8 type,const void * data,u16 data_len,size_t * msg_len,void ** data_pos)485 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
486 			     const void *data, u16 data_len,
487 			     size_t *msg_len, void **data_pos)
488 {
489 	return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
490 }
491 
492 
_wpa_ether_send(void * wpa_s,const u8 * dest,u16 proto,const u8 * buf,size_t len)493 static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
494 			   const u8 *buf, size_t len)
495 {
496 	return wpa_ether_send(wpa_s, dest, proto, buf, len);
497 }
498 
499 
_wpa_supplicant_cancel_auth_timeout(void * wpa_s)500 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
501 {
502 	wpa_supplicant_cancel_auth_timeout(wpa_s);
503 }
504 
505 
_wpa_supplicant_set_state(void * wpa_s,enum wpa_states state)506 static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
507 {
508 	wpa_supplicant_set_state(wpa_s, state);
509 }
510 
511 
512 /**
513  * wpa_supplicant_get_state - Get the connection state
514  * @wpa_s: Pointer to wpa_supplicant data
515  * Returns: The current connection state (WPA_*)
516  */
wpa_supplicant_get_state(struct wpa_supplicant * wpa_s)517 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
518 {
519 	return wpa_s->wpa_state;
520 }
521 
522 
_wpa_supplicant_get_state(void * wpa_s)523 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
524 {
525 	return wpa_supplicant_get_state(wpa_s);
526 }
527 
528 
_wpa_supplicant_deauthenticate(void * wpa_s,u16 reason_code)529 static void _wpa_supplicant_deauthenticate(void *wpa_s, u16 reason_code)
530 {
531 	wpa_supplicant_deauthenticate(wpa_s, reason_code);
532 	/* Schedule a scan to make sure we continue looking for networks */
533 	wpa_supplicant_req_scan(wpa_s, 5, 0);
534 }
535 
536 
_wpa_supplicant_reconnect(void * wpa_s)537 static void _wpa_supplicant_reconnect(void *wpa_s)
538 {
539 	wpa_supplicant_reconnect(wpa_s);
540 }
541 
542 
wpa_supplicant_get_network_ctx(void * wpa_s)543 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
544 {
545 	return wpa_supplicant_get_ssid(wpa_s);
546 }
547 
548 
wpa_supplicant_get_bssid(void * ctx,u8 * bssid)549 static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
550 {
551 	struct wpa_supplicant *wpa_s = ctx;
552 	return wpa_drv_get_bssid(wpa_s, bssid);
553 }
554 
555 
wpa_supplicant_set_key(void * _wpa_s,int link_id,enum wpa_alg alg,const u8 * addr,int key_idx,int set_tx,const u8 * seq,size_t seq_len,const u8 * key,size_t key_len,enum key_flag key_flag)556 static int wpa_supplicant_set_key(void *_wpa_s, int link_id, enum wpa_alg alg,
557 				  const u8 *addr, int key_idx, int set_tx,
558 				  const u8 *seq, size_t seq_len,
559 				  const u8 *key, size_t key_len,
560 				  enum key_flag key_flag)
561 {
562 	struct wpa_supplicant *wpa_s = _wpa_s;
563 	int ret;
564 
565 	if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
566 		/* Clear the MIC error counter when setting a new PTK. */
567 		wpa_s->mic_errors_seen = 0;
568 	}
569 #ifdef CONFIG_TESTING_GET_GTK
570 	if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) &&
571 	    alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
572 		os_memcpy(wpa_s->last_gtk, key, key_len);
573 		wpa_s->last_gtk_len = key_len;
574 	}
575 #endif /* CONFIG_TESTING_GET_GTK */
576 #ifdef CONFIG_TESTING_OPTIONS
577 	if (addr && !is_broadcast_ether_addr(addr) &&
578 	    !(key_flag & KEY_FLAG_MODIFY)) {
579 		wpa_s->last_tk_alg = alg;
580 		os_memcpy(wpa_s->last_tk_addr, addr, ETH_ALEN);
581 		wpa_s->last_tk_key_idx = key_idx;
582 		if (key)
583 			os_memcpy(wpa_s->last_tk, key, key_len);
584 		wpa_s->last_tk_len = key_len;
585 	}
586 #endif /* CONFIG_TESTING_OPTIONS */
587 
588 	ret = wpa_drv_set_key(wpa_s, link_id, alg, addr, key_idx, set_tx, seq,
589 			      seq_len, key, key_len, key_flag);
590 	if (ret == 0 && (key_idx == 6 || key_idx == 7) &&
591 	    alg != WPA_ALG_NONE && key_len > 0)
592 		wpa_s->bigtk_set = true;
593 
594 	return ret;
595 }
596 
597 
wpa_supplicant_mlme_setprotection(void * wpa_s,const u8 * addr,int protection_type,int key_type)598 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
599 					     int protection_type,
600 					     int key_type)
601 {
602 	return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
603 					  key_type);
604 }
605 
606 
wpas_get_network_ctx(struct wpa_supplicant * wpa_s,void * network_ctx)607 static struct wpa_ssid * wpas_get_network_ctx(struct wpa_supplicant *wpa_s,
608 					      void *network_ctx)
609 {
610 	struct wpa_ssid *ssid;
611 
612 	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
613 		if (network_ctx == ssid)
614 			return ssid;
615 	}
616 
617 	return NULL;
618 }
619 
620 
wpa_supplicant_add_pmkid(void * _wpa_s,void * network_ctx,const u8 * bssid,const u8 * pmkid,const u8 * fils_cache_id,const u8 * pmk,size_t pmk_len,u32 pmk_lifetime,u8 pmk_reauth_threshold,int akmp)621 static int wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx,
622 				    const u8 *bssid, const u8 *pmkid,
623 				    const u8 *fils_cache_id,
624 				    const u8 *pmk, size_t pmk_len,
625 				    u32 pmk_lifetime, u8 pmk_reauth_threshold,
626 				    int akmp)
627 {
628 	struct wpa_supplicant *wpa_s = _wpa_s;
629 	struct wpa_ssid *ssid;
630 	struct wpa_pmkid_params params;
631 
632 	os_memset(&params, 0, sizeof(params));
633 	ssid = wpas_get_network_ctx(wpa_s, network_ctx);
634 	if (ssid) {
635 		wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_ADDED MACSTR " %d",
636 			MAC2STR(bssid), ssid->id);
637 		if ((akmp == WPA_KEY_MGMT_FT_IEEE8021X ||
638 		     akmp == WPA_KEY_MGMT_FT_IEEE8021X_SHA384) &&
639 		    !ssid->ft_eap_pmksa_caching) {
640 			/* Since we will not be using PMKSA caching for FT-EAP
641 			 * within wpa_supplicant to avoid known interop issues
642 			 * with APs, do not add this PMKID to the driver either
643 			 * so that we won't be hitting those interop issues
644 			 * with driver-based RSNE generation. */
645 			wpa_printf(MSG_DEBUG,
646 				   "FT: Do not add PMKID entry to the driver since FT-EAP PMKSA caching is not enabled in configuration");
647 			return 0;
648 		}
649 	}
650 	if (ssid && fils_cache_id) {
651 		params.ssid = ssid->ssid;
652 		params.ssid_len = ssid->ssid_len;
653 		params.fils_cache_id = fils_cache_id;
654 	} else {
655 		params.bssid = bssid;
656 	}
657 
658 	params.pmkid = pmkid;
659 	params.pmk = pmk;
660 	params.pmk_len = pmk_len;
661 	params.pmk_lifetime = pmk_lifetime;
662 	params.pmk_reauth_threshold = pmk_reauth_threshold;
663 
664 	return wpa_drv_add_pmkid(wpa_s, &params);
665 }
666 
667 
wpa_supplicant_remove_pmkid(void * _wpa_s,void * network_ctx,const u8 * bssid,const u8 * pmkid,const u8 * fils_cache_id)668 static int wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx,
669 				       const u8 *bssid, const u8 *pmkid,
670 				       const u8 *fils_cache_id)
671 {
672 	struct wpa_supplicant *wpa_s = _wpa_s;
673 	struct wpa_ssid *ssid;
674 	struct wpa_pmkid_params params;
675 
676 	os_memset(&params, 0, sizeof(params));
677 	ssid = wpas_get_network_ctx(wpa_s, network_ctx);
678 	if (ssid)
679 		wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_REMOVED MACSTR " %d",
680 			MAC2STR(bssid), ssid->id);
681 	if (ssid && fils_cache_id) {
682 		params.ssid = ssid->ssid;
683 		params.ssid_len = ssid->ssid_len;
684 		params.fils_cache_id = fils_cache_id;
685 	} else {
686 		params.bssid = bssid;
687 	}
688 
689 	params.pmkid = pmkid;
690 
691 	return wpa_drv_remove_pmkid(wpa_s, &params);
692 }
693 
694 
695 #ifdef CONFIG_IEEE80211R
wpa_supplicant_update_ft_ies(void * ctx,const u8 * md,const u8 * ies,size_t ies_len)696 static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
697 					const u8 *ies, size_t ies_len)
698 {
699 	struct wpa_supplicant *wpa_s = ctx;
700 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
701 		return sme_update_ft_ies(wpa_s, md, ies, ies_len);
702 	return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
703 }
704 
705 
wpa_supplicant_send_ft_action(void * ctx,u8 action,const u8 * target_ap,const u8 * ies,size_t ies_len)706 static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
707 					 const u8 *target_ap,
708 					 const u8 *ies, size_t ies_len)
709 {
710 	struct wpa_supplicant *wpa_s = ctx;
711 	int ret;
712 	u8 *data, *pos;
713 	size_t data_len;
714 
715 	if (action != 1) {
716 		wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d",
717 			   action);
718 		return -1;
719 	}
720 
721 	/*
722 	 * Action frame payload:
723 	 * Category[1] = 6 (Fast BSS Transition)
724 	 * Action[1] = 1 (Fast BSS Transition Request)
725 	 * STA Address
726 	 * Target AP Address
727 	 * FT IEs
728 	 */
729 
730 	data_len = 2 + 2 * ETH_ALEN + ies_len;
731 	data = os_malloc(data_len);
732 	if (data == NULL)
733 		return -1;
734 	pos = data;
735 	*pos++ = 0x06; /* FT Action category */
736 	*pos++ = action;
737 	os_memcpy(pos, wpa_s->own_addr, ETH_ALEN);
738 	pos += ETH_ALEN;
739 	os_memcpy(pos, target_ap, ETH_ALEN);
740 	pos += ETH_ALEN;
741 	os_memcpy(pos, ies, ies_len);
742 
743 	ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
744 				  wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid,
745 				  data, data_len, 0);
746 	os_free(data);
747 
748 	return ret;
749 }
750 
751 
wpa_supplicant_mark_authenticated(void * ctx,const u8 * target_ap)752 static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
753 {
754 	struct wpa_supplicant *wpa_s = ctx;
755 	struct wpa_driver_auth_params params;
756 	struct wpa_bss *bss;
757 
758 	bss = wpa_bss_get_bssid(wpa_s, target_ap);
759 	if (bss == NULL)
760 		return -1;
761 
762 	os_memset(&params, 0, sizeof(params));
763 	params.bssid = target_ap;
764 	params.freq = bss->freq;
765 	params.ssid = bss->ssid;
766 	params.ssid_len = bss->ssid_len;
767 	params.auth_alg = WPA_AUTH_ALG_FT;
768 	params.local_state_change = 1;
769 	return wpa_drv_authenticate(wpa_s, &params);
770 }
771 #endif /* CONFIG_IEEE80211R */
772 
773 
774 #ifdef CONFIG_TDLS
775 
wpa_supplicant_tdls_get_capa(void * ctx,int * tdls_supported,int * tdls_ext_setup,int * tdls_chan_switch)776 static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
777 					int *tdls_ext_setup,
778 					int *tdls_chan_switch)
779 {
780 	struct wpa_supplicant *wpa_s = ctx;
781 
782 	*tdls_supported = 0;
783 	*tdls_ext_setup = 0;
784 	*tdls_chan_switch = 0;
785 
786 	if (!wpa_s->drv_capa_known)
787 		return -1;
788 
789 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)
790 		*tdls_supported = 1;
791 
792 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
793 		*tdls_ext_setup = 1;
794 
795 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
796 		*tdls_chan_switch = 1;
797 
798 	return 0;
799 }
800 
801 
wpa_supplicant_send_tdls_mgmt(void * ctx,const u8 * dst,u8 action_code,u8 dialog_token,u16 status_code,u32 peer_capab,int initiator,const u8 * buf,size_t len,int link_id)802 static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
803 					 u8 action_code, u8 dialog_token,
804 					 u16 status_code, u32 peer_capab,
805 					 int initiator, const u8 *buf,
806 					 size_t len, int link_id)
807 {
808 	struct wpa_supplicant *wpa_s = ctx;
809 	return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
810 				      status_code, peer_capab, initiator, buf,
811 				      len, link_id);
812 }
813 
814 
wpa_supplicant_tdls_oper(void * ctx,int oper,const u8 * peer)815 static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)
816 {
817 	struct wpa_supplicant *wpa_s = ctx;
818 	return wpa_drv_tdls_oper(wpa_s, oper, peer);
819 }
820 
821 
wpa_supplicant_tdls_peer_addset(void * ctx,const u8 * peer,int add,u16 aid,u16 capability,const u8 * supp_rates,size_t supp_rates_len,const struct ieee80211_ht_capabilities * ht_capab,const struct ieee80211_vht_capabilities * vht_capab,const struct ieee80211_he_capabilities * he_capab,size_t he_capab_len,const struct ieee80211_he_6ghz_band_cap * he_6ghz_he_capab,u8 qosinfo,int wmm,const u8 * ext_capab,size_t ext_capab_len,const u8 * supp_channels,size_t supp_channels_len,const u8 * supp_oper_classes,size_t supp_oper_classes_len,const struct ieee80211_eht_capabilities * eht_capab,size_t eht_capab_len,int mld_link_id)822 static int wpa_supplicant_tdls_peer_addset(
823 	void *ctx, const u8 *peer, int add, u16 aid, u16 capability,
824 	const u8 *supp_rates, size_t supp_rates_len,
825 	const struct ieee80211_ht_capabilities *ht_capab,
826 	const struct ieee80211_vht_capabilities *vht_capab,
827 	const struct ieee80211_he_capabilities *he_capab,
828 	size_t he_capab_len,
829 	const struct ieee80211_he_6ghz_band_cap *he_6ghz_he_capab,
830 	u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len,
831 	const u8 *supp_channels, size_t supp_channels_len,
832 	const u8 *supp_oper_classes, size_t supp_oper_classes_len,
833 	const struct ieee80211_eht_capabilities *eht_capab,
834 	size_t eht_capab_len, int mld_link_id)
835 {
836 	struct wpa_supplicant *wpa_s = ctx;
837 	struct hostapd_sta_add_params params;
838 
839 	os_memset(&params, 0, sizeof(params));
840 
841 	params.addr = peer;
842 	params.aid = aid;
843 	params.capability = capability;
844 	params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED;
845 
846 	/*
847 	 * Don't rely only on qosinfo for WMM capability. It may be 0 even when
848 	 * present. Allow the WMM IE to also indicate QoS support.
849 	 */
850 	if (wmm || qosinfo)
851 		params.flags |= WPA_STA_WMM;
852 
853 	params.ht_capabilities = ht_capab;
854 	params.vht_capabilities = vht_capab;
855 	params.he_capab = he_capab;
856 	params.he_capab_len = he_capab_len;
857 	params.he_6ghz_capab = he_6ghz_he_capab;
858 	params.qosinfo = qosinfo;
859 	params.listen_interval = 0;
860 	params.supp_rates = supp_rates;
861 	params.supp_rates_len = supp_rates_len;
862 	params.set = !add;
863 	params.ext_capab = ext_capab;
864 	params.ext_capab_len = ext_capab_len;
865 	params.supp_channels = supp_channels;
866 	params.supp_channels_len = supp_channels_len;
867 	params.supp_oper_classes = supp_oper_classes;
868 	params.supp_oper_classes_len = supp_oper_classes_len;
869 	params.eht_capab = eht_capab;
870 	params.eht_capab_len = eht_capab_len;
871 	params.mld_link_id = mld_link_id;
872 
873 	return wpa_drv_sta_add(wpa_s, &params);
874 }
875 
876 
wpa_supplicant_tdls_enable_channel_switch(void * ctx,const u8 * addr,u8 oper_class,const struct hostapd_freq_params * params)877 static int wpa_supplicant_tdls_enable_channel_switch(
878 	void *ctx, const u8 *addr, u8 oper_class,
879 	const struct hostapd_freq_params *params)
880 {
881 	struct wpa_supplicant *wpa_s = ctx;
882 
883 	return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class,
884 						  params);
885 }
886 
887 
wpa_supplicant_tdls_disable_channel_switch(void * ctx,const u8 * addr)888 static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)
889 {
890 	struct wpa_supplicant *wpa_s = ctx;
891 
892 	return wpa_drv_tdls_disable_channel_switch(wpa_s, addr);
893 }
894 
895 #endif /* CONFIG_TDLS */
896 
897 #endif /* CONFIG_NO_WPA */
898 
899 
wpa_supplicant_ctrl_req_from_string(const char * field)900 enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field)
901 {
902 	if (os_strcmp(field, "IDENTITY") == 0)
903 		return WPA_CTRL_REQ_EAP_IDENTITY;
904 	else if (os_strcmp(field, "PASSWORD") == 0)
905 		return WPA_CTRL_REQ_EAP_PASSWORD;
906 	else if (os_strcmp(field, "NEW_PASSWORD") == 0)
907 		return WPA_CTRL_REQ_EAP_NEW_PASSWORD;
908 	else if (os_strcmp(field, "PIN") == 0)
909 		return WPA_CTRL_REQ_EAP_PIN;
910 	else if (os_strcmp(field, "OTP") == 0)
911 		return WPA_CTRL_REQ_EAP_OTP;
912 	else if (os_strcmp(field, "PASSPHRASE") == 0)
913 		return WPA_CTRL_REQ_EAP_PASSPHRASE;
914 	else if (os_strcmp(field, "SIM") == 0)
915 		return WPA_CTRL_REQ_SIM;
916 	else if (os_strcmp(field, "PSK_PASSPHRASE") == 0)
917 		return WPA_CTRL_REQ_PSK_PASSPHRASE;
918 	else if (os_strcmp(field, "EXT_CERT_CHECK") == 0)
919 		return WPA_CTRL_REQ_EXT_CERT_CHECK;
920 	return WPA_CTRL_REQ_UNKNOWN;
921 }
922 
923 
wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,const char * default_txt,const char ** txt)924 const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,
925 					       const char *default_txt,
926 					       const char **txt)
927 {
928 	const char *ret = NULL;
929 
930 	*txt = default_txt;
931 
932 	switch (field) {
933 	case WPA_CTRL_REQ_EAP_IDENTITY:
934 		*txt = "Identity";
935 		ret = "IDENTITY";
936 		break;
937 	case WPA_CTRL_REQ_EAP_PASSWORD:
938 		*txt = "Password";
939 		ret = "PASSWORD";
940 		break;
941 	case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
942 		*txt = "New Password";
943 		ret = "NEW_PASSWORD";
944 		break;
945 	case WPA_CTRL_REQ_EAP_PIN:
946 		*txt = "PIN";
947 		ret = "PIN";
948 		break;
949 	case WPA_CTRL_REQ_EAP_OTP:
950 		ret = "OTP";
951 		break;
952 	case WPA_CTRL_REQ_EAP_PASSPHRASE:
953 		*txt = "Private key passphrase";
954 		ret = "PASSPHRASE";
955 		break;
956 	case WPA_CTRL_REQ_SIM:
957 		ret = "SIM";
958 		break;
959 	case WPA_CTRL_REQ_PSK_PASSPHRASE:
960 		*txt = "PSK or passphrase";
961 		ret = "PSK_PASSPHRASE";
962 		break;
963 	case WPA_CTRL_REQ_EXT_CERT_CHECK:
964 		*txt = "External server certificate validation";
965 		ret = "EXT_CERT_CHECK";
966 		break;
967 	default:
968 		break;
969 	}
970 
971 	/* txt needs to be something */
972 	if (*txt == NULL) {
973 		wpa_printf(MSG_WARNING, "No message for request %d", field);
974 		ret = NULL;
975 	}
976 
977 	return ret;
978 }
979 
980 
wpas_send_ctrl_req(struct wpa_supplicant * wpa_s,struct wpa_ssid * ssid,const char * field_name,const char * txt)981 void wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
982 			const char *field_name, const char *txt)
983 {
984 	wpa_msg(wpa_s, MSG_INFO, WPA_CTRL_REQ "%s-%d:%s needed for SSID %s",
985 		field_name, ssid->id, txt,
986 		wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
987 }
988 
989 
990 #ifdef IEEE8021X_EAPOL
991 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
wpa_supplicant_eap_param_needed(void * ctx,enum wpa_ctrl_req_type field,const char * default_txt)992 static void wpa_supplicant_eap_param_needed(void *ctx,
993 					    enum wpa_ctrl_req_type field,
994 					    const char *default_txt)
995 {
996 	struct wpa_supplicant *wpa_s = ctx;
997 	struct wpa_ssid *ssid = wpa_s->current_ssid;
998 	const char *field_name, *txt = NULL;
999 
1000 	if (ssid == NULL)
1001 		return;
1002 
1003 	if (field == WPA_CTRL_REQ_EXT_CERT_CHECK)
1004 		ssid->eap.pending_ext_cert_check = PENDING_CHECK;
1005 	wpas_notify_network_request(wpa_s, ssid, field, default_txt);
1006 
1007 	field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
1008 						       &txt);
1009 	if (field_name == NULL) {
1010 		wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
1011 			   field);
1012 		return;
1013 	}
1014 
1015 	wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name);
1016 
1017 	wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
1018 }
1019 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
1020 #define wpa_supplicant_eap_param_needed NULL
1021 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
1022 
1023 
1024 #ifdef CONFIG_EAP_PROXY
1025 
wpa_supplicant_eap_proxy_cb(void * ctx)1026 static void wpa_supplicant_eap_proxy_cb(void *ctx)
1027 {
1028 	struct wpa_supplicant *wpa_s = ctx;
1029 	size_t len;
1030 
1031 	wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, -1,
1032 						     wpa_s->imsi, &len);
1033 	if (wpa_s->mnc_len > 0) {
1034 		wpa_s->imsi[len] = '\0';
1035 		wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
1036 			   wpa_s->imsi, wpa_s->mnc_len);
1037 	} else {
1038 		wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
1039 	}
1040 }
1041 
1042 
wpa_sm_sim_state_error_handler(struct wpa_supplicant * wpa_s)1043 static void wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s)
1044 {
1045 	int i;
1046 	struct wpa_ssid *ssid;
1047 	const struct eap_method_type *eap_methods;
1048 
1049 	if (!wpa_s->conf)
1050 		return;
1051 
1052 	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)	{
1053 		eap_methods = ssid->eap.eap_methods;
1054 		if (!eap_methods)
1055 			continue;
1056 
1057 		for (i = 0; eap_methods[i].method != EAP_TYPE_NONE; i++) {
1058 			if (eap_methods[i].vendor == EAP_VENDOR_IETF &&
1059 			    (eap_methods[i].method == EAP_TYPE_SIM ||
1060 			     eap_methods[i].method == EAP_TYPE_AKA ||
1061 			     eap_methods[i].method == EAP_TYPE_AKA_PRIME)) {
1062 				wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
1063 				break;
1064 			}
1065 		}
1066 	}
1067 }
1068 
1069 
1070 static void
wpa_supplicant_eap_proxy_notify_sim_status(void * ctx,enum eap_proxy_sim_state sim_state)1071 wpa_supplicant_eap_proxy_notify_sim_status(void *ctx,
1072 					   enum eap_proxy_sim_state sim_state)
1073 {
1074 	struct wpa_supplicant *wpa_s = ctx;
1075 
1076 	wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status %u", sim_state);
1077 	switch (sim_state) {
1078 	case SIM_STATE_ERROR:
1079 		wpa_sm_sim_state_error_handler(wpa_s);
1080 		break;
1081 	default:
1082 		wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status unknown");
1083 		break;
1084 	}
1085 }
1086 
1087 #endif /* CONFIG_EAP_PROXY */
1088 
1089 
wpa_supplicant_port_cb(void * ctx,int authorized)1090 static void wpa_supplicant_port_cb(void *ctx, int authorized)
1091 {
1092 	struct wpa_supplicant *wpa_s = ctx;
1093 #ifdef CONFIG_AP
1094 	if (wpa_s->ap_iface) {
1095 		wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
1096 			   "port status: %s",
1097 			   authorized ? "Authorized" : "Unauthorized");
1098 		return;
1099 	}
1100 #endif /* CONFIG_AP */
1101 	wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
1102 		   authorized ? "Authorized" : "Unauthorized");
1103 	wpa_drv_set_supp_port(wpa_s, authorized);
1104 }
1105 
1106 
wpa_supplicant_cert_cb(void * ctx,struct tls_cert_data * cert,const char * cert_hash)1107 static void wpa_supplicant_cert_cb(void *ctx, struct tls_cert_data *cert,
1108 				   const char *cert_hash)
1109 {
1110 	struct wpa_supplicant *wpa_s = ctx;
1111 
1112 	wpas_notify_certification(wpa_s, cert, cert_hash);
1113 }
1114 
1115 
wpa_supplicant_status_cb(void * ctx,const char * status,const char * parameter)1116 static void wpa_supplicant_status_cb(void *ctx, const char *status,
1117 				     const char *parameter)
1118 {
1119 	struct wpa_supplicant *wpa_s = ctx;
1120 
1121 	wpas_notify_eap_status(wpa_s, status, parameter);
1122 }
1123 
1124 
wpa_supplicant_eap_error_cb(void * ctx,int error_code)1125 static void wpa_supplicant_eap_error_cb(void *ctx, int error_code)
1126 {
1127 	struct wpa_supplicant *wpa_s = ctx;
1128 
1129 	wpas_notify_eap_error(wpa_s, error_code);
1130 }
1131 
1132 
wpa_supplicant_eap_auth_start_cb(void * ctx)1133 static int wpa_supplicant_eap_auth_start_cb(void *ctx)
1134 {
1135 	struct wpa_supplicant *wpa_s = ctx;
1136 
1137 	if (!wpa_s->new_connection && wpa_s->deny_ptk0_rekey &&
1138 	    !wpa_sm_ext_key_id_active(wpa_s->wpa)) {
1139 		wpa_msg(wpa_s, MSG_INFO,
1140 			"WPA: PTK0 rekey not allowed, reconnecting");
1141 		wpa_supplicant_reconnect(wpa_s);
1142 		return -1;
1143 	}
1144 	return 0;
1145 }
1146 
1147 
wpa_supplicant_set_anon_id(void * ctx,const u8 * id,size_t len)1148 static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
1149 {
1150 	struct wpa_supplicant *wpa_s = ctx;
1151 	char *str;
1152 	int res;
1153 
1154 	wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
1155 			  id, len);
1156 
1157 	if (wpa_s->current_ssid == NULL)
1158 		return;
1159 
1160 	if (id == NULL) {
1161 		if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1162 				   "NULL", 0) < 0)
1163 			return;
1164 	} else {
1165 		str = os_malloc(len * 2 + 1);
1166 		if (str == NULL)
1167 			return;
1168 		wpa_snprintf_hex(str, len * 2 + 1, id, len);
1169 		res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1170 				     str, 0);
1171 		os_free(str);
1172 		if (res < 0)
1173 			return;
1174 	}
1175 
1176 	if (wpa_s->conf->update_config) {
1177 		res = wpa_config_write(wpa_s->confname, wpa_s->conf);
1178 		if (res) {
1179 			wpa_printf(MSG_DEBUG, "Failed to update config after "
1180 				   "anonymous_id update");
1181 		}
1182 	}
1183 }
1184 
1185 
wpas_encryption_required(void * ctx)1186 static bool wpas_encryption_required(void *ctx)
1187 {
1188 	struct wpa_supplicant *wpa_s = ctx;
1189 
1190 	return wpa_s->wpa &&
1191 		wpa_sm_has_ptk_installed(wpa_s->wpa) &&
1192 		wpa_sm_pmf_enabled(wpa_s->wpa);
1193 }
1194 
1195 #endif /* IEEE8021X_EAPOL */
1196 
1197 
wpa_supplicant_init_eapol(struct wpa_supplicant * wpa_s)1198 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
1199 {
1200 #ifdef IEEE8021X_EAPOL
1201 	struct eapol_ctx *ctx;
1202 	ctx = os_zalloc(sizeof(*ctx));
1203 	if (ctx == NULL) {
1204 		wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
1205 		return -1;
1206 	}
1207 
1208 	ctx->ctx = wpa_s;
1209 	ctx->msg_ctx = wpa_s;
1210 	ctx->eapol_send_ctx = wpa_s;
1211 	ctx->preauth = 0;
1212 	ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
1213 	ctx->eapol_send = wpa_supplicant_eapol_send;
1214 #ifdef CONFIG_WEP
1215 	ctx->set_wep_key = wpa_eapol_set_wep_key;
1216 #endif /* CONFIG_WEP */
1217 #ifndef CONFIG_NO_CONFIG_BLOBS
1218 	ctx->set_config_blob = wpa_supplicant_set_config_blob;
1219 	ctx->get_config_blob = wpa_supplicant_get_config_blob;
1220 #endif /* CONFIG_NO_CONFIG_BLOBS */
1221 	ctx->aborted_cached = wpa_supplicant_aborted_cached;
1222 #ifndef CONFIG_OPENSC_ENGINE_PATH
1223 	ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
1224 #endif /* CONFIG_OPENSC_ENGINE_PATH */
1225 #ifndef CONFIG_PKCS11_ENGINE_PATH
1226 	ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
1227 #endif /* CONFIG_PKCS11_ENGINE_PATH */
1228 #ifndef CONFIG_PKCS11_MODULE_PATH
1229 	ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
1230 #endif /* CONFIG_PKCS11_MODULE_PATH */
1231 	ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
1232 	ctx->wps = wpa_s->wps;
1233 	ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
1234 #ifdef CONFIG_EAP_PROXY
1235 	ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb;
1236 	ctx->eap_proxy_notify_sim_status =
1237 		wpa_supplicant_eap_proxy_notify_sim_status;
1238 #endif /* CONFIG_EAP_PROXY */
1239 	ctx->port_cb = wpa_supplicant_port_cb;
1240 	ctx->cb = wpa_supplicant_eapol_cb;
1241 	ctx->cert_cb = wpa_supplicant_cert_cb;
1242 	ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
1243 	ctx->status_cb = wpa_supplicant_status_cb;
1244 	ctx->eap_error_cb = wpa_supplicant_eap_error_cb;
1245 	ctx->confirm_auth_cb = wpa_supplicant_eap_auth_start_cb;
1246 	ctx->set_anon_id = wpa_supplicant_set_anon_id;
1247 	ctx->encryption_required = wpas_encryption_required;
1248 	ctx->cb_ctx = wpa_s;
1249 	wpa_s->eapol = eapol_sm_init(ctx);
1250 	if (wpa_s->eapol == NULL) {
1251 		os_free(ctx);
1252 		wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
1253 			   "machines.");
1254 		return -1;
1255 	}
1256 #endif /* IEEE8021X_EAPOL */
1257 
1258 	return 0;
1259 }
1260 
1261 
1262 #ifndef CONFIG_NO_WPA
1263 
wpa_supplicant_set_rekey_offload(void * ctx,const u8 * kek,size_t kek_len,const u8 * kck,size_t kck_len,const u8 * replay_ctr)1264 static void wpa_supplicant_set_rekey_offload(void *ctx,
1265 					     const u8 *kek, size_t kek_len,
1266 					     const u8 *kck, size_t kck_len,
1267 					     const u8 *replay_ctr)
1268 {
1269 	struct wpa_supplicant *wpa_s = ctx;
1270 
1271 	wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
1272 }
1273 
1274 
wpa_supplicant_key_mgmt_set_pmk(void * ctx,const u8 * pmk,size_t pmk_len)1275 static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
1276 					   size_t pmk_len)
1277 {
1278 	struct wpa_supplicant *wpa_s = ctx;
1279 
1280 	if (wpa_s->conf->key_mgmt_offload &&
1281 	    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
1282 		return wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0,
1283 				       NULL, 0, pmk, pmk_len, KEY_FLAG_PMK);
1284 	else
1285 		return 0;
1286 }
1287 
1288 
wpa_supplicant_fils_hlp_rx(void * ctx,const u8 * dst,const u8 * src,const u8 * pkt,size_t pkt_len)1289 static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src,
1290 				       const u8 *pkt, size_t pkt_len)
1291 {
1292 	struct wpa_supplicant *wpa_s = ctx;
1293 	char *hex;
1294 	size_t hexlen;
1295 
1296 	hexlen = pkt_len * 2 + 1;
1297 	hex = os_malloc(hexlen);
1298 	if (!hex)
1299 		return;
1300 	wpa_snprintf_hex(hex, hexlen, pkt, pkt_len);
1301 	wpa_msg(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR
1302 		" frame=%s", MAC2STR(dst), MAC2STR(src), hex);
1303 	os_free(hex);
1304 }
1305 
1306 
wpa_supplicant_channel_info(void * _wpa_s,struct wpa_channel_info * ci)1307 static int wpa_supplicant_channel_info(void *_wpa_s,
1308 				       struct wpa_channel_info *ci)
1309 {
1310 	struct wpa_supplicant *wpa_s = _wpa_s;
1311 
1312 	return wpa_drv_channel_info(wpa_s, ci);
1313 }
1314 
1315 
disable_wpa_wpa2(struct wpa_ssid * ssid)1316 static void disable_wpa_wpa2(struct wpa_ssid *ssid)
1317 {
1318 	ssid->proto &= ~WPA_PROTO_WPA;
1319 	ssid->proto |= WPA_PROTO_RSN;
1320 	ssid->key_mgmt &= ~(WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK |
1321 			    WPA_KEY_MGMT_PSK_SHA256);
1322 	ssid->group_cipher &= ~WPA_CIPHER_TKIP;
1323 	if (!(ssid->group_cipher & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
1324 				    WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256)))
1325 		ssid->group_cipher |= WPA_CIPHER_CCMP;
1326 	ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED;
1327 }
1328 
1329 
wpas_transition_disable(struct wpa_supplicant * wpa_s,u8 bitmap)1330 void wpas_transition_disable(struct wpa_supplicant *wpa_s, u8 bitmap)
1331 {
1332 	struct wpa_ssid *ssid;
1333 	int changed = 0;
1334 
1335 	wpa_msg(wpa_s, MSG_INFO, TRANSITION_DISABLE "%02x", bitmap);
1336 
1337 	ssid = wpa_s->current_ssid;
1338 	if (!ssid)
1339 		return;
1340 
1341 #ifdef CONFIG_SAE
1342 	if ((bitmap & TRANSITION_DISABLE_WPA3_PERSONAL) &&
1343 	    wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
1344 	    wpa_key_mgmt_sae(ssid->key_mgmt) &&
1345 	    (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1346 	     (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1347 		wpa_printf(MSG_DEBUG,
1348 			   "WPA3-Personal transition mode disabled based on AP notification");
1349 		disable_wpa_wpa2(ssid);
1350 		changed = 1;
1351 	}
1352 
1353 	if ((bitmap & TRANSITION_DISABLE_SAE_PK) &&
1354 	    wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
1355 #ifdef CONFIG_SME
1356 	    wpa_s->sme.sae.state == SAE_ACCEPTED &&
1357 	    wpa_s->sme.sae.pk &&
1358 #endif /* CONFIG_SME */
1359 	    wpa_key_mgmt_sae(ssid->key_mgmt) &&
1360 	    (ssid->sae_pk != SAE_PK_MODE_ONLY ||
1361 	     ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1362 	     (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1363 		wpa_printf(MSG_DEBUG,
1364 			   "SAE-PK: SAE authentication without PK disabled based on AP notification");
1365 		disable_wpa_wpa2(ssid);
1366 		ssid->sae_pk = SAE_PK_MODE_ONLY;
1367 		changed = 1;
1368 	}
1369 #endif /* CONFIG_SAE */
1370 
1371 	if ((bitmap & TRANSITION_DISABLE_WPA3_ENTERPRISE) &&
1372 	    wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) &&
1373 	    (ssid->key_mgmt & (WPA_KEY_MGMT_IEEE8021X |
1374 			       WPA_KEY_MGMT_FT_IEEE8021X |
1375 			       WPA_KEY_MGMT_IEEE8021X_SHA256 |
1376 			       WPA_KEY_MGMT_IEEE8021X_SHA384)) &&
1377 	    (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1378 	     (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1379 		disable_wpa_wpa2(ssid);
1380 		changed = 1;
1381 	}
1382 
1383 	if ((bitmap & TRANSITION_DISABLE_ENHANCED_OPEN) &&
1384 	    wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
1385 	    (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
1386 	    !ssid->owe_only) {
1387 		ssid->owe_only = 1;
1388 		changed = 1;
1389 	}
1390 
1391 	if (!changed)
1392 		return;
1393 
1394 #ifndef CONFIG_NO_CONFIG_WRITE
1395 	if (wpa_s->conf->update_config &&
1396 	    wpa_config_write(wpa_s->confname, wpa_s->conf))
1397 		wpa_printf(MSG_DEBUG, "Failed to update configuration");
1398 #endif /* CONFIG_NO_CONFIG_WRITE */
1399 }
1400 
1401 
wpa_supplicant_transition_disable(void * _wpa_s,u8 bitmap)1402 static void wpa_supplicant_transition_disable(void *_wpa_s, u8 bitmap)
1403 {
1404 	struct wpa_supplicant *wpa_s = _wpa_s;
1405 	wpas_transition_disable(wpa_s, bitmap);
1406 }
1407 
1408 
wpa_supplicant_store_ptk(void * ctx,const u8 * addr,int cipher,u32 life_time,const struct wpa_ptk * ptk)1409 static void wpa_supplicant_store_ptk(void *ctx, const u8 *addr, int cipher,
1410 				     u32 life_time, const struct wpa_ptk *ptk)
1411 {
1412 	struct wpa_supplicant *wpa_s = ctx;
1413 
1414 	ptksa_cache_add(wpa_s->ptksa, wpa_s->own_addr, addr, cipher, life_time,
1415 			ptk, NULL, NULL, 0);
1416 }
1417 
1418 
1419 #ifdef CONFIG_PASN
wpa_supplicant_set_ltf_keyseed(void * _wpa_s,const u8 * own_addr,const u8 * peer_addr,size_t ltf_keyseed_len,const u8 * ltf_keyseed)1420 static int wpa_supplicant_set_ltf_keyseed(void *_wpa_s, const u8 *own_addr,
1421 					  const u8 *peer_addr,
1422 					  size_t ltf_keyseed_len,
1423 					  const u8 *ltf_keyseed)
1424 {
1425 	struct wpa_supplicant *wpa_s = _wpa_s;
1426 
1427 	return wpa_drv_set_secure_ranging_ctx(wpa_s, own_addr, peer_addr, 0, 0,
1428 					      NULL, ltf_keyseed_len,
1429 					      ltf_keyseed, 0);
1430 }
1431 #endif /* CONFIG_PASN */
1432 
1433 
1434 static void
wpa_supplicant_notify_pmksa_cache_entry(void * _wpa_s,struct rsn_pmksa_cache_entry * entry)1435 wpa_supplicant_notify_pmksa_cache_entry(void *_wpa_s,
1436 					struct rsn_pmksa_cache_entry *entry)
1437 {
1438 	struct wpa_supplicant *wpa_s = _wpa_s;
1439 
1440 	wpas_notify_pmk_cache_added(wpa_s, entry);
1441 }
1442 
1443 
wpa_supplicant_ssid_verified(void * _wpa_s)1444 static void wpa_supplicant_ssid_verified(void *_wpa_s)
1445 {
1446 	struct wpa_supplicant *wpa_s = _wpa_s;
1447 
1448 	wpa_s->ssid_verified = true;
1449 	wpa_msg(wpa_s, MSG_INFO, "RSN: SSID matched expected value");
1450 }
1451 
1452 #endif /* CONFIG_NO_WPA */
1453 
1454 
wpa_supplicant_init_wpa(struct wpa_supplicant * wpa_s)1455 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
1456 {
1457 #ifndef CONFIG_NO_WPA
1458 	struct wpa_sm_ctx *ctx;
1459 
1460 	wpa_s->ptksa = ptksa_cache_init();
1461 	if (!wpa_s->ptksa) {
1462 		wpa_printf(MSG_ERROR, "Failed to allocate PTKSA");
1463 		return -1;
1464 	}
1465 
1466 	ctx = os_zalloc(sizeof(*ctx));
1467 	if (ctx == NULL) {
1468 		wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
1469 
1470 		ptksa_cache_deinit(wpa_s->ptksa);
1471 		wpa_s->ptksa = NULL;
1472 
1473 		return -1;
1474 	}
1475 
1476 	ctx->ctx = wpa_s;
1477 	ctx->msg_ctx = wpa_s;
1478 	ctx->set_state = _wpa_supplicant_set_state;
1479 	ctx->get_state = _wpa_supplicant_get_state;
1480 	ctx->deauthenticate = _wpa_supplicant_deauthenticate;
1481 	ctx->reconnect = _wpa_supplicant_reconnect;
1482 	ctx->set_key = wpa_supplicant_set_key;
1483 	ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
1484 	ctx->get_bssid = wpa_supplicant_get_bssid;
1485 	ctx->ether_send = _wpa_ether_send;
1486 	ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
1487 	ctx->alloc_eapol = _wpa_alloc_eapol;
1488 	ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
1489 	ctx->add_pmkid = wpa_supplicant_add_pmkid;
1490 	ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
1491 #ifndef CONFIG_NO_CONFIG_BLOBS
1492 	ctx->set_config_blob = wpa_supplicant_set_config_blob;
1493 	ctx->get_config_blob = wpa_supplicant_get_config_blob;
1494 #endif /* CONFIG_NO_CONFIG_BLOBS */
1495 	ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
1496 #ifdef CONFIG_IEEE80211R
1497 	ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
1498 	ctx->send_ft_action = wpa_supplicant_send_ft_action;
1499 	ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
1500 #endif /* CONFIG_IEEE80211R */
1501 #ifdef CONFIG_TDLS
1502 	ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
1503 	ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
1504 	ctx->tdls_oper = wpa_supplicant_tdls_oper;
1505 	ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
1506 	ctx->tdls_enable_channel_switch =
1507 		wpa_supplicant_tdls_enable_channel_switch;
1508 	ctx->tdls_disable_channel_switch =
1509 		wpa_supplicant_tdls_disable_channel_switch;
1510 #endif /* CONFIG_TDLS */
1511 	ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
1512 	ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
1513 	ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
1514 	ctx->channel_info = wpa_supplicant_channel_info;
1515 	ctx->transition_disable = wpa_supplicant_transition_disable;
1516 	ctx->store_ptk = wpa_supplicant_store_ptk;
1517 #ifdef CONFIG_PASN
1518 	ctx->set_ltf_keyseed = wpa_supplicant_set_ltf_keyseed;
1519 #endif /* CONFIG_PASN */
1520 	ctx->notify_pmksa_cache_entry = wpa_supplicant_notify_pmksa_cache_entry;
1521 	ctx->ssid_verified = wpa_supplicant_ssid_verified;
1522 
1523 	wpa_s->wpa = wpa_sm_init(ctx);
1524 	if (wpa_s->wpa == NULL) {
1525 		wpa_printf(MSG_ERROR,
1526 			   "Failed to initialize WPA state machine");
1527 		os_free(ctx);
1528 		ptksa_cache_deinit(wpa_s->ptksa);
1529 		wpa_s->ptksa = NULL;
1530 		return -1;
1531 	}
1532 #endif /* CONFIG_NO_WPA */
1533 
1534 	return 0;
1535 }
1536 
1537 
wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant * wpa_s,struct wpa_ssid * ssid)1538 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
1539 					struct wpa_ssid *ssid)
1540 {
1541 	struct rsn_supp_config conf;
1542 	if (ssid) {
1543 		os_memset(&conf, 0, sizeof(conf));
1544 		conf.network_ctx = ssid;
1545 		conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
1546 #ifdef IEEE8021X_EAPOL
1547 		conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
1548 			wpa_s->conf->okc : ssid->proactive_key_caching;
1549 		conf.eap_workaround = ssid->eap_workaround;
1550 		conf.eap_conf_ctx = &ssid->eap;
1551 #endif /* IEEE8021X_EAPOL */
1552 		conf.ssid = ssid->ssid;
1553 		conf.ssid_len = ssid->ssid_len;
1554 		conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
1555 		conf.wpa_deny_ptk0_rekey = ssid->wpa_deny_ptk0_rekey;
1556 		conf.owe_ptk_workaround = ssid->owe_ptk_workaround;
1557 #ifdef CONFIG_P2P
1558 		if (ssid->p2p_group && wpa_s->current_bss &&
1559 		    !wpa_s->p2p_disable_ip_addr_req) {
1560 			struct wpabuf *p2p;
1561 			p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
1562 							  P2P_IE_VENDOR_TYPE);
1563 			if (p2p) {
1564 				u8 group_capab;
1565 				group_capab = p2p_get_group_capab(p2p);
1566 				if (group_capab &
1567 				    P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
1568 					conf.p2p = 1;
1569 				wpabuf_free(p2p);
1570 			}
1571 		}
1572 #endif /* CONFIG_P2P */
1573 		conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation;
1574 #ifdef CONFIG_FILS
1575 		if (wpa_key_mgmt_fils(wpa_s->key_mgmt))
1576 			conf.fils_cache_id =
1577 				wpa_bss_get_fils_cache_id(wpa_s->current_bss);
1578 #endif /* CONFIG_FILS */
1579 		if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_BEACON_PROTECTION) ||
1580 		    (wpa_s->drv_flags2 &
1581 		     WPA_DRIVER_FLAGS2_BEACON_PROTECTION_CLIENT))
1582 			conf.beacon_prot = ssid->beacon_prot;
1583 
1584 #ifdef CONFIG_PASN
1585 #ifdef CONFIG_TESTING_OPTIONS
1586 		conf.force_kdk_derivation = wpa_s->conf->force_kdk_derivation;
1587 #endif /* CONFIG_TESTING_OPTIONS */
1588 #endif /* CONFIG_PASN */
1589 	}
1590 	wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
1591 }
1592