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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 defined(CONFIG_DRIVER_NL80211_BRCM) || defined(CONFIG_DRIVER_NL80211_SYNA)
327 	if (result != EAPOL_SUPP_RESULT_SUCCESS)
328 #else
329 	if (result != EAPOL_SUPP_RESULT_SUCCESS ||
330 		!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
331 #endif /* CONFIG_DRIVER_NL80211_BRCM || CONFIG_DRIVER_NL80211_SYNA */
332 		return;
333 
334 #if defined(CONFIG_DRIVER_NL80211_BRCM) || defined(CONFIG_DRIVER_NL80211_SYNA)
335 	if (wpa_ft_is_ft_protocol(wpa_s->wpa)) {
336 		return;
337 	}
338 #endif /* CONFIG_DRIVER_NL80211_BRCM || CONFIG_DRIVER_NL80211_SYNA */
339 
340 	if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
341 		return;
342 
343 	wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
344 		   "handshake");
345 
346 	if (wpa_key_mgmt_sha384(wpa_s->key_mgmt))
347 		pmk_len = PMK_LEN_SUITE_B_192;
348 	else
349 		pmk_len = PMK_LEN;
350 
351 	if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) {
352 #ifdef CONFIG_IEEE80211R
353 		u8 buf[2 * PMK_LEN];
354 		wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for "
355 			   "driver-based 4-way hs and FT");
356 		res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN);
357 		if (res == 0) {
358 			if (wpa_key_mgmt_sha384(wpa_s->key_mgmt))
359 				os_memcpy(pmk, buf, pmk_len);
360 			else
361 				os_memcpy(pmk, buf + PMK_LEN, PMK_LEN);
362 			os_memset(buf, 0, sizeof(buf));
363 		}
364 #else /* CONFIG_IEEE80211R */
365 		res = -1;
366 #endif /* CONFIG_IEEE80211R */
367 	} else {
368 		res = eapol_sm_get_key(eapol, pmk, pmk_len);
369 		if (res) {
370 			/*
371 			 * EAP-LEAP is an exception from other EAP methods: it
372 			 * uses only 16-byte PMK.
373 			 */
374 			res = eapol_sm_get_key(eapol, pmk, 16);
375 			pmk_len = 16;
376 		}
377 	}
378 
379 	if (res) {
380 		wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
381 			   "machines");
382 		return;
383 	}
384 
385 	wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
386 			"handshake", pmk, pmk_len);
387 
388 	if (wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0, NULL, 0, pmk,
389 			    pmk_len, KEY_FLAG_PMK)) {
390 		wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
391 	}
392 
393 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X) {
394 		/* Add PMKSA cache entry */
395 		wpa_printf(MSG_INFO, "add pmksa entry for the PMK");
396 		wpa_sm_set_pmk(wpa_s->wpa, pmk, pmk_len, NULL, wpa_sm_get_auth_addr(wpa_s->wpa));
397 	}
398 
399 	wpa_supplicant_cancel_scan(wpa_s);
400 	wpa_supplicant_cancel_auth_timeout(wpa_s);
401 	wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
402 
403 }
404 
405 
wpa_supplicant_notify_eapol_done(void * ctx)406 static void wpa_supplicant_notify_eapol_done(void *ctx)
407 {
408 	struct wpa_supplicant *wpa_s = ctx;
409 	wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
410 	if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
411 		wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
412 	} else {
413 		wpa_supplicant_cancel_auth_timeout(wpa_s);
414 		wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
415 	}
416 }
417 
418 #endif /* IEEE8021X_EAPOL */
419 
420 
421 #ifndef CONFIG_NO_WPA
422 
wpa_get_beacon_ie(struct wpa_supplicant * wpa_s)423 static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
424 {
425 	int ret = 0;
426 	struct wpa_bss *curr = NULL, *bss;
427 	struct wpa_ssid *ssid = wpa_s->current_ssid;
428 	const u8 *ie;
429 
430 	dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
431 		if (!ether_addr_equal(bss->bssid, wpa_s->bssid))
432 			continue;
433 		if (ssid == NULL ||
434 		    ((bss->ssid_len == ssid->ssid_len &&
435 		      os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
436 		     ssid->ssid_len == 0)) {
437 			curr = bss;
438 			break;
439 		}
440 #ifdef CONFIG_OWE
441 		if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
442 		    (bss->flags & WPA_BSS_OWE_TRANSITION)) {
443 			curr = bss;
444 			break;
445 		}
446 #endif /* CONFIG_OWE */
447 	}
448 
449 	if (curr) {
450 		ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
451 		if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
452 			ret = -1;
453 
454 		ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
455 		if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
456 			ret = -1;
457 
458 		ie = wpa_bss_get_ie(curr, WLAN_EID_RSNX);
459 		if (wpa_sm_set_ap_rsnxe(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
460 			ret = -1;
461 
462 		ie = wpa_bss_get_vendor_ie(curr, RSNE_OVERRIDE_IE_VENDOR_TYPE);
463 		if (wpa_sm_set_ap_rsne_override(wpa_s->wpa, ie,
464 						ie ? 2 + ie[1] : 0))
465 			ret = -1;
466 
467 		ie = wpa_bss_get_vendor_ie(curr,
468 					   RSNE_OVERRIDE_2_IE_VENDOR_TYPE);
469 		if (wpa_sm_set_ap_rsne_override_2(wpa_s->wpa, ie,
470 						  ie ? 2 + ie[1] : 0))
471 			ret = -1;
472 
473 		ie = wpa_bss_get_vendor_ie(curr, RSNXE_OVERRIDE_IE_VENDOR_TYPE);
474 		if (wpa_sm_set_ap_rsnxe_override(wpa_s->wpa, ie,
475 						 ie ? 2 + ie[1] : 0))
476 			ret = -1;
477 	} else {
478 		ret = -1;
479 	}
480 
481 	return ret;
482 }
483 
484 
wpa_supplicant_get_beacon_ie(void * ctx)485 static int wpa_supplicant_get_beacon_ie(void *ctx)
486 {
487 	struct wpa_supplicant *wpa_s = ctx;
488 	if (wpa_get_beacon_ie(wpa_s) == 0) {
489 		return 0;
490 	}
491 
492 	/* No WPA/RSN IE found in the cached scan results. Try to get updated
493 	 * scan results from the driver. */
494 	if (wpa_supplicant_update_scan_results(wpa_s, wpa_s->bssid) < 0)
495 		return -1;
496 
497 	return wpa_get_beacon_ie(wpa_s);
498 }
499 
500 
_wpa_alloc_eapol(void * wpa_s,u8 type,const void * data,u16 data_len,size_t * msg_len,void ** data_pos)501 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
502 			     const void *data, u16 data_len,
503 			     size_t *msg_len, void **data_pos)
504 {
505 	return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
506 }
507 
508 
_wpa_ether_send(void * wpa_s,const u8 * dest,u16 proto,const u8 * buf,size_t len)509 static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
510 			   const u8 *buf, size_t len)
511 {
512 	return wpa_ether_send(wpa_s, dest, proto, buf, len);
513 }
514 
515 
_wpa_supplicant_cancel_auth_timeout(void * wpa_s)516 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
517 {
518 	wpa_supplicant_cancel_auth_timeout(wpa_s);
519 }
520 
521 
_wpa_supplicant_set_state(void * wpa_s,enum wpa_states state)522 static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
523 {
524 	wpa_supplicant_set_state(wpa_s, state);
525 }
526 
527 
528 /**
529  * wpa_supplicant_get_state - Get the connection state
530  * @wpa_s: Pointer to wpa_supplicant data
531  * Returns: The current connection state (WPA_*)
532  */
wpa_supplicant_get_state(struct wpa_supplicant * wpa_s)533 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
534 {
535 	return wpa_s->wpa_state;
536 }
537 
538 
_wpa_supplicant_get_state(void * wpa_s)539 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
540 {
541 	return wpa_supplicant_get_state(wpa_s);
542 }
543 
544 
_wpa_supplicant_deauthenticate(void * wpa_s,u16 reason_code)545 static void _wpa_supplicant_deauthenticate(void *wpa_s, u16 reason_code)
546 {
547 	wpa_supplicant_deauthenticate(wpa_s, reason_code);
548 	/* Schedule a scan to make sure we continue looking for networks */
549 	wpa_supplicant_req_scan(wpa_s, 5, 0);
550 }
551 
552 
_wpa_supplicant_reconnect(void * wpa_s)553 static void _wpa_supplicant_reconnect(void *wpa_s)
554 {
555 	wpa_supplicant_reconnect(wpa_s);
556 }
557 
558 
wpa_supplicant_get_network_ctx(void * wpa_s)559 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
560 {
561 	return wpa_supplicant_get_ssid(wpa_s);
562 }
563 
564 
wpa_supplicant_get_bssid(void * ctx,u8 * bssid)565 static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
566 {
567 	struct wpa_supplicant *wpa_s = ctx;
568 	return wpa_drv_get_bssid(wpa_s, bssid);
569 }
570 
571 
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)572 static int wpa_supplicant_set_key(void *_wpa_s, int link_id, enum wpa_alg alg,
573 				  const u8 *addr, int key_idx, int set_tx,
574 				  const u8 *seq, size_t seq_len,
575 				  const u8 *key, size_t key_len,
576 				  enum key_flag key_flag)
577 {
578 	struct wpa_supplicant *wpa_s = _wpa_s;
579 	int ret;
580 
581 	if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
582 		/* Clear the MIC error counter when setting a new PTK. */
583 		wpa_s->mic_errors_seen = 0;
584 	}
585 #ifdef CONFIG_TESTING_GET_GTK
586 	if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) &&
587 	    alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
588 		os_memcpy(wpa_s->last_gtk, key, key_len);
589 		wpa_s->last_gtk_len = key_len;
590 	}
591 #endif /* CONFIG_TESTING_GET_GTK */
592 #ifdef CONFIG_TESTING_OPTIONS
593 	if (addr && !is_broadcast_ether_addr(addr) &&
594 	    !(key_flag & KEY_FLAG_MODIFY)) {
595 		wpa_s->last_tk_alg = alg;
596 		os_memcpy(wpa_s->last_tk_addr, addr, ETH_ALEN);
597 		wpa_s->last_tk_key_idx = key_idx;
598 		if (key)
599 			os_memcpy(wpa_s->last_tk, key, key_len);
600 		wpa_s->last_tk_len = key_len;
601 	}
602 #endif /* CONFIG_TESTING_OPTIONS */
603 
604 	ret = wpa_drv_set_key(wpa_s, link_id, alg, addr, key_idx, set_tx, seq,
605 			      seq_len, key, key_len, key_flag);
606 	if (ret == 0 && (key_idx == 6 || key_idx == 7) &&
607 	    alg != WPA_ALG_NONE && key_len > 0)
608 		wpa_s->bigtk_set = true;
609 
610 	return ret;
611 }
612 
613 
wpa_supplicant_mlme_setprotection(void * wpa_s,const u8 * addr,int protection_type,int key_type)614 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
615 					     int protection_type,
616 					     int key_type)
617 {
618 	return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
619 					  key_type);
620 }
621 
622 
wpas_get_network_ctx(struct wpa_supplicant * wpa_s,void * network_ctx)623 static struct wpa_ssid * wpas_get_network_ctx(struct wpa_supplicant *wpa_s,
624 					      void *network_ctx)
625 {
626 	struct wpa_ssid *ssid;
627 
628 	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
629 		if (network_ctx == ssid)
630 			return ssid;
631 	}
632 
633 	return NULL;
634 }
635 
636 
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)637 static int wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx,
638 				    const u8 *bssid, const u8 *pmkid,
639 				    const u8 *fils_cache_id,
640 				    const u8 *pmk, size_t pmk_len,
641 				    u32 pmk_lifetime, u8 pmk_reauth_threshold,
642 				    int akmp)
643 {
644 	struct wpa_supplicant *wpa_s = _wpa_s;
645 	struct wpa_ssid *ssid;
646 	struct wpa_pmkid_params params;
647 
648 	os_memset(&params, 0, sizeof(params));
649 	ssid = wpas_get_network_ctx(wpa_s, network_ctx);
650 	if (ssid) {
651 		wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_ADDED MACSTR " %d",
652 			MAC2STR(bssid), ssid->id);
653 		if ((akmp == WPA_KEY_MGMT_FT_IEEE8021X ||
654 		     akmp == WPA_KEY_MGMT_FT_IEEE8021X_SHA384) &&
655 		    !ssid->ft_eap_pmksa_caching) {
656 			/* Since we will not be using PMKSA caching for FT-EAP
657 			 * within wpa_supplicant to avoid known interop issues
658 			 * with APs, do not add this PMKID to the driver either
659 			 * so that we won't be hitting those interop issues
660 			 * with driver-based RSNE generation. */
661 			wpa_printf(MSG_DEBUG,
662 				   "FT: Do not add PMKID entry to the driver since FT-EAP PMKSA caching is not enabled in configuration");
663 			return 0;
664 		}
665 	}
666 	if (ssid && fils_cache_id) {
667 		params.ssid = ssid->ssid;
668 		params.ssid_len = ssid->ssid_len;
669 		params.fils_cache_id = fils_cache_id;
670 	} else {
671 		params.bssid = bssid;
672 	}
673 
674 	params.pmkid = pmkid;
675 	params.pmk = pmk;
676 	params.pmk_len = pmk_len;
677 	params.pmk_lifetime = pmk_lifetime;
678 	params.pmk_reauth_threshold = pmk_reauth_threshold;
679 
680 	return wpa_drv_add_pmkid(wpa_s, &params);
681 }
682 
683 
wpa_supplicant_remove_pmkid(void * _wpa_s,void * network_ctx,const u8 * bssid,const u8 * pmkid,const u8 * fils_cache_id)684 static int wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx,
685 				       const u8 *bssid, const u8 *pmkid,
686 				       const u8 *fils_cache_id)
687 {
688 	struct wpa_supplicant *wpa_s = _wpa_s;
689 	struct wpa_ssid *ssid;
690 	struct wpa_pmkid_params params;
691 
692 	os_memset(&params, 0, sizeof(params));
693 	ssid = wpas_get_network_ctx(wpa_s, network_ctx);
694 	if (ssid)
695 		wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_REMOVED MACSTR " %d",
696 			MAC2STR(bssid), ssid->id);
697 	if (ssid && fils_cache_id) {
698 		params.ssid = ssid->ssid;
699 		params.ssid_len = ssid->ssid_len;
700 		params.fils_cache_id = fils_cache_id;
701 	} else {
702 		params.bssid = bssid;
703 	}
704 
705 	params.pmkid = pmkid;
706 
707 	return wpa_drv_remove_pmkid(wpa_s, &params);
708 }
709 
710 
711 #ifdef CONFIG_IEEE80211R
wpa_supplicant_update_ft_ies(void * ctx,const u8 * md,const u8 * ies,size_t ies_len)712 static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
713 					const u8 *ies, size_t ies_len)
714 {
715 	struct wpa_supplicant *wpa_s = ctx;
716 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
717 		return sme_update_ft_ies(wpa_s, md, ies, ies_len);
718 	return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
719 }
720 
721 
wpa_supplicant_send_ft_action(void * ctx,u8 action,const u8 * target_ap,const u8 * ies,size_t ies_len)722 static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
723 					 const u8 *target_ap,
724 					 const u8 *ies, size_t ies_len)
725 {
726 	struct wpa_supplicant *wpa_s = ctx;
727 	int ret;
728 	u8 *data, *pos;
729 	size_t data_len;
730 
731 	if (action != 1) {
732 		wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d",
733 			   action);
734 		return -1;
735 	}
736 
737 	/*
738 	 * Action frame payload:
739 	 * Category[1] = 6 (Fast BSS Transition)
740 	 * Action[1] = 1 (Fast BSS Transition Request)
741 	 * STA Address
742 	 * Target AP Address
743 	 * FT IEs
744 	 */
745 
746 	data_len = 2 + 2 * ETH_ALEN + ies_len;
747 	data = os_malloc(data_len);
748 	if (data == NULL)
749 		return -1;
750 	pos = data;
751 	*pos++ = 0x06; /* FT Action category */
752 	*pos++ = action;
753 	os_memcpy(pos, wpa_s->own_addr, ETH_ALEN);
754 	pos += ETH_ALEN;
755 	os_memcpy(pos, target_ap, ETH_ALEN);
756 	pos += ETH_ALEN;
757 	os_memcpy(pos, ies, ies_len);
758 
759 	ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
760 				  wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid,
761 				  data, data_len, 0);
762 	os_free(data);
763 
764 	return ret;
765 }
766 
767 
wpa_supplicant_mark_authenticated(void * ctx,const u8 * target_ap)768 static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
769 {
770 	struct wpa_supplicant *wpa_s = ctx;
771 	struct wpa_driver_auth_params params;
772 	struct wpa_bss *bss;
773 
774 	bss = wpa_bss_get_bssid(wpa_s, target_ap);
775 	if (bss == NULL)
776 		return -1;
777 
778 	os_memset(&params, 0, sizeof(params));
779 	params.bssid = target_ap;
780 	params.freq = bss->freq;
781 	params.ssid = bss->ssid;
782 	params.ssid_len = bss->ssid_len;
783 	params.auth_alg = WPA_AUTH_ALG_FT;
784 	params.local_state_change = 1;
785 	return wpa_drv_authenticate(wpa_s, &params);
786 }
787 #endif /* CONFIG_IEEE80211R */
788 
789 
790 #ifdef CONFIG_TDLS
791 
wpa_supplicant_tdls_get_capa(void * ctx,int * tdls_supported,int * tdls_ext_setup,int * tdls_chan_switch)792 static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
793 					int *tdls_ext_setup,
794 					int *tdls_chan_switch)
795 {
796 	struct wpa_supplicant *wpa_s = ctx;
797 
798 	*tdls_supported = 0;
799 	*tdls_ext_setup = 0;
800 	*tdls_chan_switch = 0;
801 
802 	if (!wpa_s->drv_capa_known)
803 		return -1;
804 
805 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)
806 		*tdls_supported = 1;
807 
808 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
809 		*tdls_ext_setup = 1;
810 
811 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
812 		*tdls_chan_switch = 1;
813 
814 	return 0;
815 }
816 
817 
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)818 static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
819 					 u8 action_code, u8 dialog_token,
820 					 u16 status_code, u32 peer_capab,
821 					 int initiator, const u8 *buf,
822 					 size_t len, int link_id)
823 {
824 	struct wpa_supplicant *wpa_s = ctx;
825 	return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
826 				      status_code, peer_capab, initiator, buf,
827 				      len, link_id);
828 }
829 
830 
wpa_supplicant_tdls_oper(void * ctx,int oper,const u8 * peer)831 static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)
832 {
833 	struct wpa_supplicant *wpa_s = ctx;
834 	return wpa_drv_tdls_oper(wpa_s, oper, peer);
835 }
836 
837 
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)838 static int wpa_supplicant_tdls_peer_addset(
839 	void *ctx, const u8 *peer, int add, u16 aid, u16 capability,
840 	const u8 *supp_rates, size_t supp_rates_len,
841 	const struct ieee80211_ht_capabilities *ht_capab,
842 	const struct ieee80211_vht_capabilities *vht_capab,
843 	const struct ieee80211_he_capabilities *he_capab,
844 	size_t he_capab_len,
845 	const struct ieee80211_he_6ghz_band_cap *he_6ghz_he_capab,
846 	u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len,
847 	const u8 *supp_channels, size_t supp_channels_len,
848 	const u8 *supp_oper_classes, size_t supp_oper_classes_len,
849 	const struct ieee80211_eht_capabilities *eht_capab,
850 	size_t eht_capab_len, int mld_link_id)
851 {
852 	struct wpa_supplicant *wpa_s = ctx;
853 	struct hostapd_sta_add_params params;
854 
855 	os_memset(&params, 0, sizeof(params));
856 
857 	params.addr = peer;
858 	params.aid = aid;
859 	params.capability = capability;
860 	params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED;
861 
862 	/*
863 	 * Don't rely only on qosinfo for WMM capability. It may be 0 even when
864 	 * present. Allow the WMM IE to also indicate QoS support.
865 	 */
866 	if (wmm || qosinfo)
867 		params.flags |= WPA_STA_WMM;
868 
869 	params.ht_capabilities = ht_capab;
870 	params.vht_capabilities = vht_capab;
871 	params.he_capab = he_capab;
872 	params.he_capab_len = he_capab_len;
873 	params.he_6ghz_capab = he_6ghz_he_capab;
874 	params.qosinfo = qosinfo;
875 	params.listen_interval = 0;
876 	params.supp_rates = supp_rates;
877 	params.supp_rates_len = supp_rates_len;
878 	params.set = !add;
879 	params.ext_capab = ext_capab;
880 	params.ext_capab_len = ext_capab_len;
881 	params.supp_channels = supp_channels;
882 	params.supp_channels_len = supp_channels_len;
883 	params.supp_oper_classes = supp_oper_classes;
884 	params.supp_oper_classes_len = supp_oper_classes_len;
885 	params.eht_capab = eht_capab;
886 	params.eht_capab_len = eht_capab_len;
887 	params.mld_link_id = mld_link_id;
888 
889 	return wpa_drv_sta_add(wpa_s, &params);
890 }
891 
892 
wpa_supplicant_tdls_enable_channel_switch(void * ctx,const u8 * addr,u8 oper_class,const struct hostapd_freq_params * params)893 static int wpa_supplicant_tdls_enable_channel_switch(
894 	void *ctx, const u8 *addr, u8 oper_class,
895 	const struct hostapd_freq_params *params)
896 {
897 	struct wpa_supplicant *wpa_s = ctx;
898 
899 	return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class,
900 						  params);
901 }
902 
903 
wpa_supplicant_tdls_disable_channel_switch(void * ctx,const u8 * addr)904 static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)
905 {
906 	struct wpa_supplicant *wpa_s = ctx;
907 
908 	return wpa_drv_tdls_disable_channel_switch(wpa_s, addr);
909 }
910 
911 #endif /* CONFIG_TDLS */
912 
913 #endif /* CONFIG_NO_WPA */
914 
915 
wpa_supplicant_ctrl_req_from_string(const char * field)916 enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field)
917 {
918 	if (os_strcmp(field, "IDENTITY") == 0)
919 		return WPA_CTRL_REQ_EAP_IDENTITY;
920 	else if (os_strcmp(field, "PASSWORD") == 0)
921 		return WPA_CTRL_REQ_EAP_PASSWORD;
922 	else if (os_strcmp(field, "NEW_PASSWORD") == 0)
923 		return WPA_CTRL_REQ_EAP_NEW_PASSWORD;
924 	else if (os_strcmp(field, "PIN") == 0)
925 		return WPA_CTRL_REQ_EAP_PIN;
926 	else if (os_strcmp(field, "OTP") == 0)
927 		return WPA_CTRL_REQ_EAP_OTP;
928 	else if (os_strcmp(field, "PASSPHRASE") == 0)
929 		return WPA_CTRL_REQ_EAP_PASSPHRASE;
930 	else if (os_strcmp(field, "SIM") == 0)
931 		return WPA_CTRL_REQ_SIM;
932 	else if (os_strcmp(field, "PSK_PASSPHRASE") == 0)
933 		return WPA_CTRL_REQ_PSK_PASSPHRASE;
934 	else if (os_strcmp(field, "EXT_CERT_CHECK") == 0)
935 		return WPA_CTRL_REQ_EXT_CERT_CHECK;
936 	return WPA_CTRL_REQ_UNKNOWN;
937 }
938 
939 
wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,const char * default_txt,const char ** txt)940 const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,
941 					       const char *default_txt,
942 					       const char **txt)
943 {
944 	const char *ret = NULL;
945 
946 	*txt = default_txt;
947 
948 	switch (field) {
949 	case WPA_CTRL_REQ_EAP_IDENTITY:
950 		*txt = "Identity";
951 		ret = "IDENTITY";
952 		break;
953 	case WPA_CTRL_REQ_EAP_PASSWORD:
954 		*txt = "Password";
955 		ret = "PASSWORD";
956 		break;
957 	case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
958 		*txt = "New Password";
959 		ret = "NEW_PASSWORD";
960 		break;
961 	case WPA_CTRL_REQ_EAP_PIN:
962 		*txt = "PIN";
963 		ret = "PIN";
964 		break;
965 	case WPA_CTRL_REQ_EAP_OTP:
966 		ret = "OTP";
967 		break;
968 	case WPA_CTRL_REQ_EAP_PASSPHRASE:
969 		*txt = "Private key passphrase";
970 		ret = "PASSPHRASE";
971 		break;
972 	case WPA_CTRL_REQ_SIM:
973 		ret = "SIM";
974 		break;
975 	case WPA_CTRL_REQ_PSK_PASSPHRASE:
976 		*txt = "PSK or passphrase";
977 		ret = "PSK_PASSPHRASE";
978 		break;
979 	case WPA_CTRL_REQ_EXT_CERT_CHECK:
980 		*txt = "External server certificate validation";
981 		ret = "EXT_CERT_CHECK";
982 		break;
983 	default:
984 		break;
985 	}
986 
987 	/* txt needs to be something */
988 	if (*txt == NULL) {
989 		wpa_printf(MSG_WARNING, "No message for request %d", field);
990 		ret = NULL;
991 	}
992 
993 	return ret;
994 }
995 
996 
wpas_send_ctrl_req(struct wpa_supplicant * wpa_s,struct wpa_ssid * ssid,const char * field_name,const char * txt)997 void wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
998 			const char *field_name, const char *txt)
999 {
1000 	wpa_msg(wpa_s, MSG_INFO, WPA_CTRL_REQ "%s-%d:%s needed for SSID %s",
1001 		field_name, ssid->id, txt,
1002 		wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1003 }
1004 
1005 
1006 #ifdef IEEE8021X_EAPOL
1007 #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)1008 static void wpa_supplicant_eap_param_needed(void *ctx,
1009 					    enum wpa_ctrl_req_type field,
1010 					    const char *default_txt)
1011 {
1012 	struct wpa_supplicant *wpa_s = ctx;
1013 	struct wpa_ssid *ssid = wpa_s->current_ssid;
1014 	const char *field_name, *txt = NULL;
1015 
1016 	if (ssid == NULL)
1017 		return;
1018 
1019 	if (field == WPA_CTRL_REQ_EXT_CERT_CHECK)
1020 		ssid->eap.pending_ext_cert_check = PENDING_CHECK;
1021 	wpas_notify_network_request(wpa_s, ssid, field, default_txt);
1022 
1023 	field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
1024 						       &txt);
1025 	if (field_name == NULL) {
1026 		wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
1027 			   field);
1028 		return;
1029 	}
1030 
1031 	wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name);
1032 
1033 	wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
1034 }
1035 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
1036 #define wpa_supplicant_eap_param_needed NULL
1037 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
1038 
1039 
1040 #ifdef CONFIG_EAP_PROXY
1041 
wpa_supplicant_eap_proxy_cb(void * ctx)1042 static void wpa_supplicant_eap_proxy_cb(void *ctx)
1043 {
1044 	struct wpa_supplicant *wpa_s = ctx;
1045 	size_t len;
1046 
1047 	wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, -1,
1048 						     wpa_s->imsi, &len);
1049 	if (wpa_s->mnc_len > 0) {
1050 		wpa_s->imsi[len] = '\0';
1051 		wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
1052 			   wpa_s->imsi, wpa_s->mnc_len);
1053 	} else {
1054 		wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
1055 	}
1056 }
1057 
1058 
wpa_sm_sim_state_error_handler(struct wpa_supplicant * wpa_s)1059 static void wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s)
1060 {
1061 	int i;
1062 	struct wpa_ssid *ssid;
1063 	const struct eap_method_type *eap_methods;
1064 
1065 	if (!wpa_s->conf)
1066 		return;
1067 
1068 	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)	{
1069 		eap_methods = ssid->eap.eap_methods;
1070 		if (!eap_methods)
1071 			continue;
1072 
1073 		for (i = 0; eap_methods[i].method != EAP_TYPE_NONE; i++) {
1074 			if (eap_methods[i].vendor == EAP_VENDOR_IETF &&
1075 			    (eap_methods[i].method == EAP_TYPE_SIM ||
1076 			     eap_methods[i].method == EAP_TYPE_AKA ||
1077 			     eap_methods[i].method == EAP_TYPE_AKA_PRIME)) {
1078 				wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
1079 				break;
1080 			}
1081 		}
1082 	}
1083 }
1084 
1085 
1086 static void
wpa_supplicant_eap_proxy_notify_sim_status(void * ctx,enum eap_proxy_sim_state sim_state)1087 wpa_supplicant_eap_proxy_notify_sim_status(void *ctx,
1088 					   enum eap_proxy_sim_state sim_state)
1089 {
1090 	struct wpa_supplicant *wpa_s = ctx;
1091 
1092 	wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status %u", sim_state);
1093 	switch (sim_state) {
1094 	case SIM_STATE_ERROR:
1095 		wpa_sm_sim_state_error_handler(wpa_s);
1096 		break;
1097 	default:
1098 		wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status unknown");
1099 		break;
1100 	}
1101 }
1102 
1103 #endif /* CONFIG_EAP_PROXY */
1104 
1105 
wpa_supplicant_port_cb(void * ctx,int authorized)1106 static void wpa_supplicant_port_cb(void *ctx, int authorized)
1107 {
1108 	struct wpa_supplicant *wpa_s = ctx;
1109 #ifdef CONFIG_AP
1110 	if (wpa_s->ap_iface) {
1111 		wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
1112 			   "port status: %s",
1113 			   authorized ? "Authorized" : "Unauthorized");
1114 		return;
1115 	}
1116 #endif /* CONFIG_AP */
1117 	wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
1118 		   authorized ? "Authorized" : "Unauthorized");
1119 	wpa_drv_set_supp_port(wpa_s, authorized);
1120 }
1121 
wpa_supplicant_permanent_id_req_denied_cb(void * ctx)1122 static void wpa_supplicant_permanent_id_req_denied_cb(void *ctx)
1123 {
1124 	struct wpas_supplicant *wpa_s = ctx;
1125 
1126 	wpas_notify_permanent_id_req_denied(wpa_s);
1127 }
1128 
wpa_supplicant_cert_cb(void * ctx,struct tls_cert_data * cert,const char * cert_hash)1129 static void wpa_supplicant_cert_cb(void *ctx, struct tls_cert_data *cert,
1130 				   const char *cert_hash)
1131 {
1132 	struct wpa_supplicant *wpa_s = ctx;
1133 
1134 	wpas_notify_certification(wpa_s, cert, cert_hash);
1135 }
1136 
1137 
wpa_supplicant_status_cb(void * ctx,const char * status,const char * parameter)1138 static void wpa_supplicant_status_cb(void *ctx, const char *status,
1139 				     const char *parameter)
1140 {
1141 	struct wpa_supplicant *wpa_s = ctx;
1142 
1143 	wpas_notify_eap_status(wpa_s, status, parameter);
1144 }
1145 
1146 
wpa_supplicant_eap_error_cb(void * ctx,int error_code)1147 static void wpa_supplicant_eap_error_cb(void *ctx, int error_code)
1148 {
1149 	struct wpa_supplicant *wpa_s = ctx;
1150 
1151 	wpas_notify_eap_error(wpa_s, error_code);
1152 }
1153 
1154 
wpa_supplicant_eap_auth_start_cb(void * ctx)1155 static int wpa_supplicant_eap_auth_start_cb(void *ctx)
1156 {
1157 	struct wpa_supplicant *wpa_s = ctx;
1158 
1159 	if (!wpa_s->new_connection && wpa_s->deny_ptk0_rekey &&
1160 	    !wpa_sm_ext_key_id_active(wpa_s->wpa)) {
1161 		wpa_msg(wpa_s, MSG_INFO,
1162 			"WPA: PTK0 rekey not allowed, reconnecting");
1163 		wpa_supplicant_reconnect(wpa_s);
1164 		return -1;
1165 	}
1166 	return 0;
1167 }
1168 
1169 
wpa_supplicant_set_anon_id(void * ctx,const u8 * id,size_t len)1170 static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
1171 {
1172 	struct wpa_supplicant *wpa_s = ctx;
1173 	char *str;
1174 	int res;
1175 
1176 	wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
1177 			  id, len);
1178 
1179 	if (wpa_s->current_ssid == NULL)
1180 		return;
1181 
1182 	if (id == NULL) {
1183 		if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1184 				   "NULL", 0) < 0)
1185 			return;
1186 	} else {
1187 		str = os_malloc(len * 2 + 1);
1188 		if (str == NULL)
1189 			return;
1190 		wpa_snprintf_hex(str, len * 2 + 1, id, len);
1191 		res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1192 				     str, 0);
1193 		os_free(str);
1194 		if (res < 0)
1195 			return;
1196 	}
1197 
1198 	if (wpa_s->conf->update_config) {
1199 		res = wpa_config_write(wpa_s->confname, wpa_s->conf);
1200 		if (res) {
1201 			wpa_printf(MSG_DEBUG, "Failed to update config after "
1202 				   "anonymous_id update");
1203 		}
1204 	}
1205 }
1206 
wpa_supplicant_eap_method_selected_cb(void * ctx,const char * reason_string)1207 static void wpa_supplicant_eap_method_selected_cb(void *ctx,
1208 						const char* reason_string)
1209 {
1210 	struct wpa_supplicant *wpa_s = ctx;
1211 
1212 	wpas_notify_eap_method_selected(wpa_s, reason_string);
1213 }
1214 
wpa_supplicant_open_ssl_failure_cb(void * ctx,const char * reason_string)1215 static void wpa_supplicant_open_ssl_failure_cb(void *ctx,
1216 						const char* reason_string)
1217 {
1218 	struct wpa_supplicant *wpa_s = ctx;
1219 
1220 	wpas_notify_open_ssl_failure(wpa_s, reason_string);
1221 }
1222 
wpas_encryption_required(void * ctx)1223 static bool wpas_encryption_required(void *ctx)
1224 {
1225 	struct wpa_supplicant *wpa_s = ctx;
1226 
1227 	return wpa_s->wpa &&
1228 		wpa_sm_has_ptk_installed(wpa_s->wpa) &&
1229 		wpa_sm_pmf_enabled(wpa_s->wpa);
1230 }
1231 
wpa_supplicant_get_certificate_cb(const char * alias,uint8_t ** value)1232 static ssize_t wpa_supplicant_get_certificate_cb(
1233 						const char* alias, uint8_t** value)
1234 {
1235 	wpa_printf(MSG_INFO, "wpa_supplicant_get_certificate_cb");
1236 	return wpas_get_certificate(alias, value);
1237 }
1238 
1239 #endif /* IEEE8021X_EAPOL */
1240 
1241 
wpa_supplicant_init_eapol(struct wpa_supplicant * wpa_s)1242 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
1243 {
1244 #ifdef IEEE8021X_EAPOL
1245 	struct eapol_ctx *ctx;
1246 	ctx = os_zalloc(sizeof(*ctx));
1247 	if (ctx == NULL) {
1248 		wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
1249 		return -1;
1250 	}
1251 
1252 	ctx->ctx = wpa_s;
1253 	ctx->msg_ctx = wpa_s;
1254 	ctx->eapol_send_ctx = wpa_s;
1255 	ctx->preauth = 0;
1256 	ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
1257 	ctx->eapol_send = wpa_supplicant_eapol_send;
1258 #ifdef CONFIG_WEP
1259 	ctx->set_wep_key = wpa_eapol_set_wep_key;
1260 #endif /* CONFIG_WEP */
1261 #ifndef CONFIG_NO_CONFIG_BLOBS
1262 	ctx->set_config_blob = wpa_supplicant_set_config_blob;
1263 	ctx->get_config_blob = wpa_supplicant_get_config_blob;
1264 #endif /* CONFIG_NO_CONFIG_BLOBS */
1265 	ctx->aborted_cached = wpa_supplicant_aborted_cached;
1266 #ifndef CONFIG_OPENSC_ENGINE_PATH
1267 	ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
1268 #endif /* CONFIG_OPENSC_ENGINE_PATH */
1269 #ifndef CONFIG_PKCS11_ENGINE_PATH
1270 	ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
1271 #endif /* CONFIG_PKCS11_ENGINE_PATH */
1272 #ifndef CONFIG_PKCS11_MODULE_PATH
1273 	ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
1274 #endif /* CONFIG_PKCS11_MODULE_PATH */
1275 	ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
1276 	ctx->wps = wpa_s->wps;
1277 	ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
1278 #ifdef CONFIG_EAP_PROXY
1279 	ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb;
1280 	ctx->eap_proxy_notify_sim_status =
1281 		wpa_supplicant_eap_proxy_notify_sim_status;
1282 #endif /* CONFIG_EAP_PROXY */
1283 	ctx->port_cb = wpa_supplicant_port_cb;
1284 	ctx->cb = wpa_supplicant_eapol_cb;
1285 	ctx->cert_cb = wpa_supplicant_cert_cb;
1286 	ctx->permanent_id_req_denied_cb = wpa_supplicant_permanent_id_req_denied_cb;
1287 	ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
1288 	ctx->status_cb = wpa_supplicant_status_cb;
1289 	ctx->eap_error_cb = wpa_supplicant_eap_error_cb;
1290 	ctx->confirm_auth_cb = wpa_supplicant_eap_auth_start_cb;
1291 	ctx->set_anon_id = wpa_supplicant_set_anon_id;
1292 	ctx->eap_method_selected_cb = wpa_supplicant_eap_method_selected_cb;
1293 	ctx->open_ssl_failure_cb = wpa_supplicant_open_ssl_failure_cb;
1294 	ctx->get_certificate_cb = wpa_supplicant_get_certificate_cb;
1295 	ctx->encryption_required = wpas_encryption_required;
1296 	ctx->cb_ctx = wpa_s;
1297 	wpa_s->eapol = eapol_sm_init(ctx);
1298 	if (wpa_s->eapol == NULL) {
1299 		os_free(ctx);
1300 		wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
1301 			   "machines.");
1302 		return -1;
1303 	}
1304 #endif /* IEEE8021X_EAPOL */
1305 
1306 	return 0;
1307 }
1308 
1309 
1310 #ifndef CONFIG_NO_WPA
1311 
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)1312 static void wpa_supplicant_set_rekey_offload(void *ctx,
1313 					     const u8 *kek, size_t kek_len,
1314 					     const u8 *kck, size_t kck_len,
1315 					     const u8 *replay_ctr)
1316 {
1317 	struct wpa_supplicant *wpa_s = ctx;
1318 
1319 	wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
1320 }
1321 
1322 
wpa_supplicant_key_mgmt_set_pmk(void * ctx,const u8 * pmk,size_t pmk_len)1323 static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
1324 					   size_t pmk_len)
1325 {
1326 	struct wpa_supplicant *wpa_s = ctx;
1327 
1328 	if (wpa_s->conf->key_mgmt_offload &&
1329 	    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
1330 		return wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0,
1331 				       NULL, 0, pmk, pmk_len, KEY_FLAG_PMK);
1332 	else
1333 		return 0;
1334 }
1335 
1336 
wpa_supplicant_fils_hlp_rx(void * ctx,const u8 * dst,const u8 * src,const u8 * pkt,size_t pkt_len)1337 static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src,
1338 				       const u8 *pkt, size_t pkt_len)
1339 {
1340 	struct wpa_supplicant *wpa_s = ctx;
1341 	char *hex;
1342 	size_t hexlen;
1343 
1344 	hexlen = pkt_len * 2 + 1;
1345 	hex = os_malloc(hexlen);
1346 	if (!hex)
1347 		return;
1348 	wpa_snprintf_hex(hex, hexlen, pkt, pkt_len);
1349 	wpa_msg(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR
1350 		" frame=%s", MAC2STR(dst), MAC2STR(src), hex);
1351 	os_free(hex);
1352 }
1353 
1354 
wpa_supplicant_channel_info(void * _wpa_s,struct wpa_channel_info * ci)1355 static int wpa_supplicant_channel_info(void *_wpa_s,
1356 				       struct wpa_channel_info *ci)
1357 {
1358 	struct wpa_supplicant *wpa_s = _wpa_s;
1359 
1360 	return wpa_drv_channel_info(wpa_s, ci);
1361 }
1362 
1363 
disable_wpa_wpa2(struct wpa_ssid * ssid)1364 static void disable_wpa_wpa2(struct wpa_ssid *ssid)
1365 {
1366 	ssid->proto &= ~WPA_PROTO_WPA;
1367 	ssid->proto |= WPA_PROTO_RSN;
1368 	ssid->key_mgmt &= ~(WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK |
1369 			    WPA_KEY_MGMT_PSK_SHA256);
1370 	ssid->group_cipher &= ~WPA_CIPHER_TKIP;
1371 	if (!(ssid->group_cipher & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
1372 				    WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256)))
1373 		ssid->group_cipher |= WPA_CIPHER_CCMP;
1374 	ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED;
1375 }
1376 
1377 
wpas_transition_disable(struct wpa_supplicant * wpa_s,u8 bitmap)1378 void wpas_transition_disable(struct wpa_supplicant *wpa_s, u8 bitmap)
1379 {
1380 	struct wpa_ssid *ssid;
1381 	int changed = 0;
1382 
1383 	wpa_msg(wpa_s, MSG_INFO, TRANSITION_DISABLE "%02x", bitmap);
1384 
1385 	ssid = wpa_s->current_ssid;
1386 	if (!ssid)
1387 		return;
1388 
1389 #ifdef CONFIG_SAE
1390 	if ((bitmap & TRANSITION_DISABLE_WPA3_PERSONAL) &&
1391 	    wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
1392 	    wpa_key_mgmt_sae(ssid->key_mgmt) &&
1393 	    (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1394 	     (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1395 		wpa_printf(MSG_DEBUG,
1396 			   "WPA3-Personal transition mode disabled based on AP notification");
1397 		disable_wpa_wpa2(ssid);
1398 		changed = 1;
1399 	}
1400 
1401 	if ((bitmap & TRANSITION_DISABLE_SAE_PK) &&
1402 	    wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
1403 #ifdef CONFIG_SME
1404 	    wpa_s->sme.sae.state == SAE_ACCEPTED &&
1405 	    wpa_s->sme.sae.pk &&
1406 #endif /* CONFIG_SME */
1407 	    wpa_key_mgmt_sae(ssid->key_mgmt) &&
1408 	    (ssid->sae_pk != SAE_PK_MODE_ONLY ||
1409 	     ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1410 	     (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1411 		wpa_printf(MSG_DEBUG,
1412 			   "SAE-PK: SAE authentication without PK disabled based on AP notification");
1413 		disable_wpa_wpa2(ssid);
1414 		ssid->sae_pk = SAE_PK_MODE_ONLY;
1415 		changed = 1;
1416 	}
1417 #endif /* CONFIG_SAE */
1418 
1419 	if ((bitmap & TRANSITION_DISABLE_WPA3_ENTERPRISE) &&
1420 	    wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) &&
1421 	    (ssid->key_mgmt & (WPA_KEY_MGMT_IEEE8021X |
1422 			       WPA_KEY_MGMT_FT_IEEE8021X |
1423 			       WPA_KEY_MGMT_IEEE8021X_SHA256 |
1424 			       WPA_KEY_MGMT_IEEE8021X_SHA384)) &&
1425 	    (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1426 	     (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1427 		disable_wpa_wpa2(ssid);
1428 		changed = 1;
1429 	}
1430 
1431 	if ((bitmap & TRANSITION_DISABLE_ENHANCED_OPEN) &&
1432 	    wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
1433 	    (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
1434 	    !ssid->owe_only) {
1435 		ssid->owe_only = 1;
1436 		changed = 1;
1437 	}
1438 
1439 #if defined(CONFIG_DRIVER_NL80211_BRCM) || defined(CONFIG_DRIVER_NL80211_SYNA)
1440 	/* driver call for transition disable */
1441 	{
1442 		struct wpa_driver_associate_params params;
1443 
1444 		os_memset(&params, 0, sizeof(params));
1445 		params.td_policy = bitmap;
1446 		wpa_drv_update_connect_params(wpa_s, &params, WPA_DRV_UPDATE_TD_POLICY);
1447 	}
1448 #endif /* CONFIG_DRIVER_NL80211_BRCM || CONFIG_DRIVER_NL80211_SYNA */
1449 
1450 	wpas_notify_transition_disable(wpa_s, ssid, bitmap);
1451 
1452 	if (!changed)
1453 		return;
1454 
1455 #ifndef CONFIG_NO_CONFIG_WRITE
1456 	if (wpa_s->conf->update_config &&
1457 	    wpa_config_write(wpa_s->confname, wpa_s->conf))
1458 		wpa_printf(MSG_DEBUG, "Failed to update configuration");
1459 #endif /* CONFIG_NO_CONFIG_WRITE */
1460 }
1461 
1462 
wpa_supplicant_transition_disable(void * _wpa_s,u8 bitmap)1463 static void wpa_supplicant_transition_disable(void *_wpa_s, u8 bitmap)
1464 {
1465 	struct wpa_supplicant *wpa_s = _wpa_s;
1466 	wpas_transition_disable(wpa_s, bitmap);
1467 }
1468 
1469 
wpa_supplicant_store_ptk(void * ctx,const u8 * addr,int cipher,u32 life_time,const struct wpa_ptk * ptk)1470 static void wpa_supplicant_store_ptk(void *ctx, const u8 *addr, int cipher,
1471 				     u32 life_time, const struct wpa_ptk *ptk)
1472 {
1473 	struct wpa_supplicant *wpa_s = ctx;
1474 
1475 	ptksa_cache_add(wpa_s->ptksa, wpa_s->own_addr, addr, cipher, life_time,
1476 			ptk, NULL, NULL, 0);
1477 }
1478 
1479 
1480 #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)1481 static int wpa_supplicant_set_ltf_keyseed(void *_wpa_s, const u8 *own_addr,
1482 					  const u8 *peer_addr,
1483 					  size_t ltf_keyseed_len,
1484 					  const u8 *ltf_keyseed)
1485 {
1486 	struct wpa_supplicant *wpa_s = _wpa_s;
1487 
1488 	return wpa_drv_set_secure_ranging_ctx(wpa_s, own_addr, peer_addr, 0, 0,
1489 					      NULL, ltf_keyseed_len,
1490 					      ltf_keyseed, 0);
1491 }
1492 #endif /* CONFIG_PASN */
1493 
1494 
1495 static void
wpa_supplicant_notify_pmksa_cache_entry(void * _wpa_s,struct rsn_pmksa_cache_entry * entry)1496 wpa_supplicant_notify_pmksa_cache_entry(void *_wpa_s,
1497 					struct rsn_pmksa_cache_entry *entry)
1498 {
1499 	struct wpa_supplicant *wpa_s = _wpa_s;
1500 
1501 	wpas_notify_pmk_cache_added(wpa_s, entry);
1502 }
1503 
1504 
wpa_supplicant_ssid_verified(void * _wpa_s)1505 static void wpa_supplicant_ssid_verified(void *_wpa_s)
1506 {
1507 	struct wpa_supplicant *wpa_s = _wpa_s;
1508 
1509 	wpa_s->ssid_verified = true;
1510 	wpa_msg(wpa_s, MSG_INFO, "RSN: SSID matched expected value");
1511 }
1512 
1513 #endif /* CONFIG_NO_WPA */
1514 
1515 
wpa_supplicant_init_wpa(struct wpa_supplicant * wpa_s)1516 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
1517 {
1518 #ifndef CONFIG_NO_WPA
1519 	struct wpa_sm_ctx *ctx;
1520 
1521 	wpa_s->ptksa = ptksa_cache_init();
1522 	if (!wpa_s->ptksa) {
1523 		wpa_printf(MSG_ERROR, "Failed to allocate PTKSA");
1524 		return -1;
1525 	}
1526 
1527 	ctx = os_zalloc(sizeof(*ctx));
1528 	if (ctx == NULL) {
1529 		wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
1530 
1531 		ptksa_cache_deinit(wpa_s->ptksa);
1532 		wpa_s->ptksa = NULL;
1533 
1534 		return -1;
1535 	}
1536 
1537 	ctx->ctx = wpa_s;
1538 	ctx->msg_ctx = wpa_s;
1539 	ctx->set_state = _wpa_supplicant_set_state;
1540 	ctx->get_state = _wpa_supplicant_get_state;
1541 	ctx->deauthenticate = _wpa_supplicant_deauthenticate;
1542 	ctx->reconnect = _wpa_supplicant_reconnect;
1543 	ctx->set_key = wpa_supplicant_set_key;
1544 	ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
1545 	ctx->get_bssid = wpa_supplicant_get_bssid;
1546 	ctx->ether_send = _wpa_ether_send;
1547 	ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
1548 	ctx->alloc_eapol = _wpa_alloc_eapol;
1549 	ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
1550 	ctx->add_pmkid = wpa_supplicant_add_pmkid;
1551 	ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
1552 #ifndef CONFIG_NO_CONFIG_BLOBS
1553 	ctx->set_config_blob = wpa_supplicant_set_config_blob;
1554 	ctx->get_config_blob = wpa_supplicant_get_config_blob;
1555 #endif /* CONFIG_NO_CONFIG_BLOBS */
1556 	ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
1557 #ifdef CONFIG_IEEE80211R
1558 	ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
1559 	ctx->send_ft_action = wpa_supplicant_send_ft_action;
1560 	ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
1561 #endif /* CONFIG_IEEE80211R */
1562 #ifdef CONFIG_TDLS
1563 	ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
1564 	ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
1565 	ctx->tdls_oper = wpa_supplicant_tdls_oper;
1566 	ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
1567 	ctx->tdls_enable_channel_switch =
1568 		wpa_supplicant_tdls_enable_channel_switch;
1569 	ctx->tdls_disable_channel_switch =
1570 		wpa_supplicant_tdls_disable_channel_switch;
1571 #endif /* CONFIG_TDLS */
1572 	ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
1573 	ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
1574 	ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
1575 	ctx->channel_info = wpa_supplicant_channel_info;
1576 	ctx->transition_disable = wpa_supplicant_transition_disable;
1577 	ctx->store_ptk = wpa_supplicant_store_ptk;
1578 #ifdef CONFIG_PASN
1579 	ctx->set_ltf_keyseed = wpa_supplicant_set_ltf_keyseed;
1580 #endif /* CONFIG_PASN */
1581 	ctx->notify_pmksa_cache_entry = wpa_supplicant_notify_pmksa_cache_entry;
1582 	ctx->ssid_verified = wpa_supplicant_ssid_verified;
1583 
1584 	wpa_s->wpa = wpa_sm_init(ctx);
1585 	if (wpa_s->wpa == NULL) {
1586 		wpa_printf(MSG_ERROR,
1587 			   "Failed to initialize WPA state machine");
1588 		os_free(ctx);
1589 		ptksa_cache_deinit(wpa_s->ptksa);
1590 		wpa_s->ptksa = NULL;
1591 		return -1;
1592 	}
1593 #endif /* CONFIG_NO_WPA */
1594 
1595 	return 0;
1596 }
1597 
1598 
wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant * wpa_s,struct wpa_ssid * ssid)1599 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
1600 					struct wpa_ssid *ssid)
1601 {
1602 	struct rsn_supp_config conf;
1603 	if (ssid) {
1604 		os_memset(&conf, 0, sizeof(conf));
1605 		conf.network_ctx = ssid;
1606 		conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
1607 #ifdef IEEE8021X_EAPOL
1608 		conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
1609 			wpa_s->conf->okc : ssid->proactive_key_caching;
1610 		conf.eap_workaround = ssid->eap_workaround;
1611 		conf.eap_conf_ctx = &ssid->eap;
1612 #endif /* IEEE8021X_EAPOL */
1613 		conf.ssid = ssid->ssid;
1614 		conf.ssid_len = ssid->ssid_len;
1615 		conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
1616 		conf.wpa_deny_ptk0_rekey = ssid->wpa_deny_ptk0_rekey;
1617 		conf.owe_ptk_workaround = ssid->owe_ptk_workaround;
1618 #ifdef CONFIG_P2P
1619 		if (ssid->p2p_group && wpa_s->current_bss &&
1620 		    !wpa_s->p2p_disable_ip_addr_req) {
1621 			struct wpabuf *p2p;
1622 			p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
1623 							  P2P_IE_VENDOR_TYPE);
1624 			if (p2p) {
1625 				u8 group_capab;
1626 				group_capab = p2p_get_group_capab(p2p);
1627 				if (group_capab &
1628 				    P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
1629 					conf.p2p = 1;
1630 				wpabuf_free(p2p);
1631 			}
1632 		}
1633 #endif /* CONFIG_P2P */
1634 		conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation;
1635 #ifdef CONFIG_FILS
1636 		if (wpa_key_mgmt_fils(wpa_s->key_mgmt))
1637 			conf.fils_cache_id =
1638 				wpa_bss_get_fils_cache_id(wpa_s->current_bss);
1639 #endif /* CONFIG_FILS */
1640 		if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_BEACON_PROTECTION) ||
1641 		    (wpa_s->drv_flags2 &
1642 		     WPA_DRIVER_FLAGS2_BEACON_PROTECTION_CLIENT))
1643 			conf.beacon_prot = ssid->beacon_prot;
1644 
1645 #ifdef CONFIG_PASN
1646 #ifdef CONFIG_TESTING_OPTIONS
1647 		conf.force_kdk_derivation = wpa_s->conf->force_kdk_derivation;
1648 #endif /* CONFIG_TESTING_OPTIONS */
1649 #endif /* CONFIG_PASN */
1650 	}
1651 	wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
1652 }
1653