1/*
2 * WPA Supplicant - Glue code to setup EAPOL and RSN modules
3 * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15#include "includes.h"
16
17#include "common.h"
18#include "eapol_supp/eapol_supp_sm.h"
19#include "rsn_supp/wpa.h"
20#include "eloop.h"
21#include "config.h"
22#include "l2_packet/l2_packet.h"
23#include "common/wpa_common.h"
24#include "wpa_supplicant_i.h"
25#include "driver_i.h"
26#include "rsn_supp/pmksa_cache.h"
27#include "mlme.h"
28#include "sme.h"
29#include "common/ieee802_11_defs.h"
30#include "common/wpa_ctrl.h"
31#include "wpas_glue.h"
32#include "wps_supplicant.h"
33#include "bss.h"
34#include "scan.h"
35
36
37#ifndef CONFIG_NO_CONFIG_BLOBS
38#if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
39static void wpa_supplicant_set_config_blob(void *ctx,
40					   struct wpa_config_blob *blob)
41{
42	struct wpa_supplicant *wpa_s = ctx;
43	wpa_config_set_blob(wpa_s->conf, blob);
44	if (wpa_s->conf->update_config) {
45		int ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
46		if (ret) {
47			wpa_printf(MSG_DEBUG, "Failed to update config after "
48				   "blob set");
49		}
50	}
51}
52
53
54static const struct wpa_config_blob *
55wpa_supplicant_get_config_blob(void *ctx, const char *name)
56{
57	struct wpa_supplicant *wpa_s = ctx;
58	return wpa_config_get_blob(wpa_s->conf, name);
59}
60#endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
61#endif /* CONFIG_NO_CONFIG_BLOBS */
62
63
64#if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
65static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
66			    const void *data, u16 data_len,
67			    size_t *msg_len, void **data_pos)
68{
69	struct ieee802_1x_hdr *hdr;
70
71	*msg_len = sizeof(*hdr) + data_len;
72	hdr = os_malloc(*msg_len);
73	if (hdr == NULL)
74		return NULL;
75
76	hdr->version = wpa_s->conf->eapol_version;
77	hdr->type = type;
78	hdr->length = host_to_be16(data_len);
79
80	if (data)
81		os_memcpy(hdr + 1, data, data_len);
82	else
83		os_memset(hdr + 1, 0, data_len);
84
85	if (data_pos)
86		*data_pos = hdr + 1;
87
88	return (u8 *) hdr;
89}
90
91
92/**
93 * wpa_ether_send - Send Ethernet frame
94 * @wpa_s: Pointer to wpa_supplicant data
95 * @dest: Destination MAC address
96 * @proto: Ethertype in host byte order
97 * @buf: Frame payload starting from IEEE 802.1X header
98 * @len: Frame payload length
99 * Returns: >=0 on success, <0 on failure
100 */
101static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
102			  u16 proto, const u8 *buf, size_t len)
103{
104	if (wpa_s->l2) {
105		return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
106	}
107
108	return wpa_drv_send_eapol(wpa_s, dest, proto, buf, len);
109}
110#endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
111
112
113#ifdef IEEE8021X_EAPOL
114
115/**
116 * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
117 * @ctx: Pointer to wpa_supplicant data (wpa_s)
118 * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
119 * @buf: EAPOL payload (after IEEE 802.1X header)
120 * @len: EAPOL payload length
121 * Returns: >=0 on success, <0 on failure
122 *
123 * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
124 * to the current Authenticator.
125 */
126static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
127				     size_t len)
128{
129	struct wpa_supplicant *wpa_s = ctx;
130	u8 *msg, *dst, bssid[ETH_ALEN];
131	size_t msglen;
132	int res;
133
134	/* TODO: could add l2_packet_sendmsg that allows fragments to avoid
135	 * extra copy here */
136
137	if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
138	    wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
139		/* Current SSID is not using IEEE 802.1X/EAP, so drop possible
140		 * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
141		 * machines. */
142		wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
143			   "mode (type=%d len=%lu)", type,
144			   (unsigned long) len);
145		return -1;
146	}
147
148	if (pmksa_cache_get_current(wpa_s->wpa) &&
149	    type == IEEE802_1X_TYPE_EAPOL_START) {
150		/* Trying to use PMKSA caching - do not send EAPOL-Start frames
151		 * since they will trigger full EAPOL authentication. */
152		wpa_printf(MSG_DEBUG, "RSN: PMKSA caching - do not send "
153			   "EAPOL-Start");
154		return -1;
155	}
156
157	if (is_zero_ether_addr(wpa_s->bssid)) {
158		wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
159			   "EAPOL frame");
160		if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
161		    !is_zero_ether_addr(bssid)) {
162			dst = bssid;
163			wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
164				   " from the driver as the EAPOL destination",
165				   MAC2STR(dst));
166		} else {
167			dst = wpa_s->last_eapol_src;
168			wpa_printf(MSG_DEBUG, "Using the source address of the"
169				   " last received EAPOL frame " MACSTR " as "
170				   "the EAPOL destination",
171				   MAC2STR(dst));
172		}
173	} else {
174		/* BSSID was already set (from (Re)Assoc event, so use it as
175		 * the EAPOL destination. */
176		dst = wpa_s->bssid;
177	}
178
179	msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
180	if (msg == NULL)
181		return -1;
182
183	wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
184	wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
185	res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
186	os_free(msg);
187	return res;
188}
189
190
191/**
192 * wpa_eapol_set_wep_key - set WEP key for the driver
193 * @ctx: Pointer to wpa_supplicant data (wpa_s)
194 * @unicast: 1 = individual unicast key, 0 = broadcast key
195 * @keyidx: WEP key index (0..3)
196 * @key: Pointer to key data
197 * @keylen: Key length in bytes
198 * Returns: 0 on success or < 0 on error.
199 */
200static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
201				 const u8 *key, size_t keylen)
202{
203	struct wpa_supplicant *wpa_s = ctx;
204	if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
205		int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
206			WPA_CIPHER_WEP104;
207		if (unicast)
208			wpa_s->pairwise_cipher = cipher;
209		else
210			wpa_s->group_cipher = cipher;
211	}
212	return wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
213			       unicast ? wpa_s->bssid :
214			       (u8 *) "\xff\xff\xff\xff\xff\xff",
215			       keyidx, unicast, (u8 *) "", 0, key, keylen);
216}
217
218
219static void wpa_supplicant_aborted_cached(void *ctx)
220{
221	struct wpa_supplicant *wpa_s = ctx;
222	wpa_sm_aborted_cached(wpa_s->wpa);
223}
224
225
226static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol, int success,
227				    void *ctx)
228{
229	struct wpa_supplicant *wpa_s = ctx;
230	int res, pmk_len;
231	u8 pmk[PMK_LEN];
232
233	wpa_printf(MSG_DEBUG, "EAPOL authentication completed %ssuccessfully",
234		   success ? "" : "un");
235
236	if (wpas_wps_eapol_cb(wpa_s) > 0)
237		return;
238
239	if (!success) {
240		/*
241		 * Make sure we do not get stuck here waiting for long EAPOL
242		 * timeout if the AP does not disconnect in case of
243		 * authentication failure.
244		 */
245		wpa_supplicant_req_auth_timeout(wpa_s, 2, 0);
246	}
247
248	if (!success || !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE))
249		return;
250
251	if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
252		return;
253
254	wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
255		   "handshake");
256
257	pmk_len = PMK_LEN;
258	res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
259	if (res) {
260		/*
261		 * EAP-LEAP is an exception from other EAP methods: it
262		 * uses only 16-byte PMK.
263		 */
264		res = eapol_sm_get_key(eapol, pmk, 16);
265		pmk_len = 16;
266	}
267
268	if (res) {
269		wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
270			   "machines");
271		return;
272	}
273
274	if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk,
275			    pmk_len)) {
276		wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
277	}
278
279	wpa_supplicant_cancel_scan(wpa_s);
280	wpa_supplicant_cancel_auth_timeout(wpa_s);
281	wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
282
283}
284
285
286static void wpa_supplicant_notify_eapol_done(void *ctx)
287{
288	struct wpa_supplicant *wpa_s = ctx;
289	wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
290	if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
291		wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
292	} else {
293		wpa_supplicant_cancel_auth_timeout(wpa_s);
294		wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
295	}
296}
297
298#endif /* IEEE8021X_EAPOL */
299
300
301#ifndef CONFIG_NO_WPA
302
303static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
304{
305	int ret = 0;
306	struct wpa_bss *curr = NULL, *bss;
307	struct wpa_ssid *ssid = wpa_s->current_ssid;
308	const u8 *ie;
309
310	dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
311		if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0)
312			continue;
313		if (ssid == NULL ||
314		    ((bss->ssid_len == ssid->ssid_len &&
315		      os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
316		     ssid->ssid_len == 0)) {
317			curr = bss;
318			break;
319		}
320	}
321
322	if (curr) {
323		ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
324		if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
325			ret = -1;
326
327		ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
328		if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
329			ret = -1;
330	} else {
331		ret = -1;
332	}
333
334	return ret;
335}
336
337
338static int wpa_supplicant_get_beacon_ie(void *ctx)
339{
340	struct wpa_supplicant *wpa_s = ctx;
341	if (wpa_get_beacon_ie(wpa_s) == 0) {
342		return 0;
343	}
344
345	/* No WPA/RSN IE found in the cached scan results. Try to get updated
346	 * scan results from the driver. */
347	if (wpa_supplicant_update_scan_results(wpa_s) < 0)
348		return -1;
349
350	return wpa_get_beacon_ie(wpa_s);
351}
352
353
354static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
355			     const void *data, u16 data_len,
356			     size_t *msg_len, void **data_pos)
357{
358	return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
359}
360
361
362static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
363			   const u8 *buf, size_t len)
364{
365	return wpa_ether_send(wpa_s, dest, proto, buf, len);
366}
367
368
369static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
370{
371	wpa_supplicant_cancel_auth_timeout(wpa_s);
372}
373
374
375static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
376{
377	wpa_supplicant_set_state(wpa_s, state);
378}
379
380
381/**
382 * wpa_supplicant_get_state - Get the connection state
383 * @wpa_s: Pointer to wpa_supplicant data
384 * Returns: The current connection state (WPA_*)
385 */
386static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
387{
388	return wpa_s->wpa_state;
389}
390
391
392static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
393{
394	return wpa_supplicant_get_state(wpa_s);
395}
396
397
398static void _wpa_supplicant_disassociate(void *wpa_s, int reason_code)
399{
400	wpa_supplicant_disassociate(wpa_s, reason_code);
401	/* Schedule a scan to make sure we continue looking for networks */
402	wpa_supplicant_req_scan(wpa_s, 5, 0);
403}
404
405
406static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code)
407{
408	wpa_supplicant_deauthenticate(wpa_s, reason_code);
409	/* Schedule a scan to make sure we continue looking for networks */
410	wpa_supplicant_req_scan(wpa_s, 5, 0);
411}
412
413
414static void * wpa_supplicant_get_network_ctx(void *wpa_s)
415{
416	return wpa_supplicant_get_ssid(wpa_s);
417}
418
419
420static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
421{
422	struct wpa_supplicant *wpa_s = ctx;
423	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) {
424		os_memcpy(bssid, wpa_s->bssid, ETH_ALEN);
425		return 0;
426	}
427	return wpa_drv_get_bssid(wpa_s, bssid);
428}
429
430
431static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
432				  const u8 *addr, int key_idx, int set_tx,
433				  const u8 *seq, size_t seq_len,
434				  const u8 *key, size_t key_len)
435{
436	struct wpa_supplicant *wpa_s = _wpa_s;
437	if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
438		/* Clear the MIC error counter when setting a new PTK. */
439		wpa_s->mic_errors_seen = 0;
440	}
441	return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
442			       key, key_len);
443}
444
445
446static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
447					     int protection_type,
448					     int key_type)
449{
450	return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
451					  key_type);
452}
453
454
455static int wpa_supplicant_add_pmkid(void *wpa_s,
456				    const u8 *bssid, const u8 *pmkid)
457{
458	return wpa_drv_add_pmkid(wpa_s, bssid, pmkid);
459}
460
461
462static int wpa_supplicant_remove_pmkid(void *wpa_s,
463				       const u8 *bssid, const u8 *pmkid)
464{
465	return wpa_drv_remove_pmkid(wpa_s, bssid, pmkid);
466}
467
468
469#ifdef CONFIG_IEEE80211R
470static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
471					const u8 *ies, size_t ies_len)
472{
473	struct wpa_supplicant *wpa_s = ctx;
474	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
475		return ieee80211_sta_update_ft_ies(wpa_s, md, ies, ies_len);
476	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
477		return sme_update_ft_ies(wpa_s, md, ies, ies_len);
478	return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
479}
480
481
482static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
483					 const u8 *target_ap,
484					 const u8 *ies, size_t ies_len)
485{
486	struct wpa_supplicant *wpa_s = ctx;
487	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
488		return ieee80211_sta_send_ft_action(wpa_s, action, target_ap,
489						    ies, ies_len);
490	return wpa_drv_send_ft_action(wpa_s, action, target_ap, ies, ies_len);
491}
492
493
494static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
495{
496	struct wpa_supplicant *wpa_s = ctx;
497	struct wpa_driver_auth_params params;
498	struct wpa_bss *bss;
499
500	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
501		return -1;
502
503	bss = wpa_bss_get_bssid(wpa_s, target_ap);
504	if (bss == NULL)
505		return -1;
506
507	os_memset(&params, 0, sizeof(params));
508	params.bssid = target_ap;
509	params.freq = bss->freq;
510	params.ssid = bss->ssid;
511	params.ssid_len = bss->ssid_len;
512	params.auth_alg = WPA_AUTH_ALG_FT;
513	params.local_state_change = 1;
514	return wpa_drv_authenticate(wpa_s, &params);
515}
516#endif /* CONFIG_IEEE80211R */
517
518#endif /* CONFIG_NO_WPA */
519
520
521#ifdef IEEE8021X_EAPOL
522#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
523static void wpa_supplicant_eap_param_needed(void *ctx, const char *field,
524					    const char *txt)
525{
526	struct wpa_supplicant *wpa_s = ctx;
527	struct wpa_ssid *ssid = wpa_s->current_ssid;
528	char *buf;
529	size_t buflen;
530	int len;
531
532	if (ssid == NULL)
533		return;
534
535	buflen = 100 + os_strlen(txt) + ssid->ssid_len;
536	buf = os_malloc(buflen);
537	if (buf == NULL)
538		return;
539	len = os_snprintf(buf, buflen,
540			  WPA_CTRL_REQ "%s-%d:%s needed for SSID ",
541			  field, ssid->id, txt);
542	if (len < 0 || (size_t) len >= buflen) {
543		os_free(buf);
544		return;
545	}
546	if (ssid->ssid && buflen > len + ssid->ssid_len) {
547		os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
548		len += ssid->ssid_len;
549		buf[len] = '\0';
550	}
551	buf[buflen - 1] = '\0';
552	wpa_msg(wpa_s, MSG_INFO, "%s", buf);
553	os_free(buf);
554}
555#else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
556#define wpa_supplicant_eap_param_needed NULL
557#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
558
559
560static void wpa_supplicant_port_cb(void *ctx, int authorized)
561{
562	struct wpa_supplicant *wpa_s = ctx;
563#ifdef CONFIG_AP
564	if (wpa_s->ap_iface) {
565		wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
566			   "port status: %s",
567			   authorized ? "Authorized" : "Unauthorized");
568		return;
569	}
570#endif /* CONFIG_AP */
571	wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
572		   authorized ? "Authorized" : "Unauthorized");
573	wpa_drv_set_supp_port(wpa_s, authorized);
574}
575#endif /* IEEE8021X_EAPOL */
576
577
578int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
579{
580#ifdef IEEE8021X_EAPOL
581	struct eapol_ctx *ctx;
582	ctx = os_zalloc(sizeof(*ctx));
583	if (ctx == NULL) {
584		wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
585		return -1;
586	}
587
588	ctx->ctx = wpa_s;
589	ctx->msg_ctx = wpa_s;
590	ctx->eapol_send_ctx = wpa_s;
591	ctx->preauth = 0;
592	ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
593	ctx->eapol_send = wpa_supplicant_eapol_send;
594	ctx->set_wep_key = wpa_eapol_set_wep_key;
595	ctx->set_config_blob = wpa_supplicant_set_config_blob;
596	ctx->get_config_blob = wpa_supplicant_get_config_blob;
597	ctx->aborted_cached = wpa_supplicant_aborted_cached;
598	ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
599	ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
600	ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
601	ctx->wps = wpa_s->wps;
602	ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
603	ctx->port_cb = wpa_supplicant_port_cb;
604	ctx->cb = wpa_supplicant_eapol_cb;
605	ctx->cb_ctx = wpa_s;
606	wpa_s->eapol = eapol_sm_init(ctx);
607	if (wpa_s->eapol == NULL) {
608		os_free(ctx);
609		wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
610			   "machines.");
611		return -1;
612	}
613#endif /* IEEE8021X_EAPOL */
614
615	return 0;
616}
617
618
619int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
620{
621#ifndef CONFIG_NO_WPA
622	struct wpa_sm_ctx *ctx;
623	ctx = os_zalloc(sizeof(*ctx));
624	if (ctx == NULL) {
625		wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
626		return -1;
627	}
628
629	ctx->ctx = wpa_s;
630	ctx->msg_ctx = wpa_s;
631	ctx->set_state = _wpa_supplicant_set_state;
632	ctx->get_state = _wpa_supplicant_get_state;
633	ctx->deauthenticate = _wpa_supplicant_deauthenticate;
634	ctx->disassociate = _wpa_supplicant_disassociate;
635	ctx->set_key = wpa_supplicant_set_key;
636	ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
637	ctx->get_bssid = wpa_supplicant_get_bssid;
638	ctx->ether_send = _wpa_ether_send;
639	ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
640	ctx->alloc_eapol = _wpa_alloc_eapol;
641	ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
642	ctx->add_pmkid = wpa_supplicant_add_pmkid;
643	ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
644#ifndef CONFIG_NO_CONFIG_BLOBS
645	ctx->set_config_blob = wpa_supplicant_set_config_blob;
646	ctx->get_config_blob = wpa_supplicant_get_config_blob;
647#endif /* CONFIG_NO_CONFIG_BLOBS */
648	ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
649#ifdef CONFIG_IEEE80211R
650	ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
651	ctx->send_ft_action = wpa_supplicant_send_ft_action;
652	ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
653#endif /* CONFIG_IEEE80211R */
654
655	wpa_s->wpa = wpa_sm_init(ctx);
656	if (wpa_s->wpa == NULL) {
657		wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
658			   "machine");
659		return -1;
660	}
661#endif /* CONFIG_NO_WPA */
662
663	return 0;
664}
665
666
667void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
668					struct wpa_ssid *ssid)
669{
670	struct rsn_supp_config conf;
671	if (ssid) {
672		os_memset(&conf, 0, sizeof(conf));
673		conf.network_ctx = ssid;
674		conf.peerkey_enabled = ssid->peerkey;
675		conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
676#ifdef IEEE8021X_EAPOL
677		conf.eap_workaround = ssid->eap_workaround;
678		conf.eap_conf_ctx = &ssid->eap;
679#endif /* IEEE8021X_EAPOL */
680		conf.ssid = ssid->ssid;
681		conf.ssid_len = ssid->ssid_len;
682		conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
683	}
684	wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
685}
686