Branch data Line data Source code
1 : : /*
2 : : * RSN pre-authentication (supplicant)
3 : : * Copyright (c) 2003-2012, 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 "wpa.h"
13 : : #include "eloop.h"
14 : : #include "l2_packet/l2_packet.h"
15 : : #include "eapol_supp/eapol_supp_sm.h"
16 : : #include "preauth.h"
17 : : #include "pmksa_cache.h"
18 : : #include "wpa_i.h"
19 : :
20 : :
21 : : #ifdef IEEE8021X_EAPOL
22 : :
23 : : #define PMKID_CANDIDATE_PRIO_SCAN 1000
24 : :
25 : :
26 : : struct rsn_pmksa_candidate {
27 : : struct dl_list list;
28 : : u8 bssid[ETH_ALEN];
29 : : int priority;
30 : : };
31 : :
32 : :
33 : : /**
34 : : * pmksa_candidate_free - Free all entries in PMKSA candidate list
35 : : * @sm: Pointer to WPA state machine data from wpa_sm_init()
36 : : */
37 : 90 : void pmksa_candidate_free(struct wpa_sm *sm)
38 : : {
39 : : struct rsn_pmksa_candidate *entry, *n;
40 : :
41 [ + + ]: 90 : if (sm == NULL)
42 : 90 : return;
43 : :
44 [ - + ]: 89 : dl_list_for_each_safe(entry, n, &sm->pmksa_candidates,
45 : : struct rsn_pmksa_candidate, list) {
46 : 0 : dl_list_del(&entry->list);
47 : 0 : os_free(entry);
48 : : }
49 : : }
50 : :
51 : :
52 : 0 : static void rsn_preauth_receive(void *ctx, const u8 *src_addr,
53 : : const u8 *buf, size_t len)
54 : : {
55 : 0 : struct wpa_sm *sm = ctx;
56 : :
57 : 0 : wpa_printf(MSG_DEBUG, "RX pre-auth from " MACSTR, MAC2STR(src_addr));
58 : 0 : wpa_hexdump(MSG_MSGDUMP, "RX pre-auth", buf, len);
59 : :
60 [ # # # # ]: 0 : if (sm->preauth_eapol == NULL ||
61 [ # # ]: 0 : is_zero_ether_addr(sm->preauth_bssid) ||
62 : 0 : os_memcmp(sm->preauth_bssid, src_addr, ETH_ALEN) != 0) {
63 : 0 : wpa_printf(MSG_WARNING, "RSN pre-auth frame received from "
64 : : "unexpected source " MACSTR " - dropped",
65 : 0 : MAC2STR(src_addr));
66 : 0 : return;
67 : : }
68 : :
69 : 0 : eapol_sm_rx_eapol(sm->preauth_eapol, src_addr, buf, len);
70 : : }
71 : :
72 : :
73 : 0 : static void rsn_preauth_eapol_cb(struct eapol_sm *eapol,
74 : : enum eapol_supp_result result,
75 : : void *ctx)
76 : : {
77 : 0 : struct wpa_sm *sm = ctx;
78 : : u8 pmk[PMK_LEN];
79 : :
80 [ # # ]: 0 : if (result == EAPOL_SUPP_RESULT_SUCCESS) {
81 : : int res, pmk_len;
82 : 0 : pmk_len = PMK_LEN;
83 : 0 : res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
84 [ # # ]: 0 : if (res) {
85 : : /*
86 : : * EAP-LEAP is an exception from other EAP methods: it
87 : : * uses only 16-byte PMK.
88 : : */
89 : 0 : res = eapol_sm_get_key(eapol, pmk, 16);
90 : 0 : pmk_len = 16;
91 : : }
92 [ # # ]: 0 : if (res == 0) {
93 : 0 : wpa_hexdump_key(MSG_DEBUG, "RSN: PMK from pre-auth",
94 : : pmk, pmk_len);
95 : 0 : sm->pmk_len = pmk_len;
96 : 0 : pmksa_cache_add(sm->pmksa, pmk, pmk_len,
97 : 0 : sm->preauth_bssid, sm->own_addr,
98 : : sm->network_ctx,
99 : : WPA_KEY_MGMT_IEEE8021X);
100 : : } else {
101 : 0 : wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
102 : : "RSN: failed to get master session key from "
103 : : "pre-auth EAPOL state machines");
104 : 0 : result = EAPOL_SUPP_RESULT_FAILURE;
105 : : }
106 : : }
107 : :
108 [ # # ]: 0 : wpa_msg(sm->ctx->msg_ctx, MSG_INFO, "RSN: pre-authentication with "
109 : 0 : MACSTR " %s", MAC2STR(sm->preauth_bssid),
110 : : result == EAPOL_SUPP_RESULT_SUCCESS ? "completed successfully" :
111 : : "failed");
112 : :
113 : 0 : rsn_preauth_deinit(sm);
114 : 0 : rsn_preauth_candidate_process(sm);
115 : 0 : }
116 : :
117 : :
118 : 0 : static void rsn_preauth_timeout(void *eloop_ctx, void *timeout_ctx)
119 : : {
120 : 0 : struct wpa_sm *sm = eloop_ctx;
121 : :
122 : 0 : wpa_msg(sm->ctx->msg_ctx, MSG_INFO, "RSN: pre-authentication with "
123 : 0 : MACSTR " timed out", MAC2STR(sm->preauth_bssid));
124 : 0 : rsn_preauth_deinit(sm);
125 : 0 : rsn_preauth_candidate_process(sm);
126 : 0 : }
127 : :
128 : :
129 : 3 : static int rsn_preauth_eapol_send(void *ctx, int type, const u8 *buf,
130 : : size_t len)
131 : : {
132 : 3 : struct wpa_sm *sm = ctx;
133 : : u8 *msg;
134 : : size_t msglen;
135 : : int res;
136 : :
137 : : /* TODO: could add l2_packet_sendmsg that allows fragments to avoid
138 : : * extra copy here */
139 : :
140 [ - + ]: 3 : if (sm->l2_preauth == NULL)
141 : 0 : return -1;
142 : :
143 : 3 : msg = wpa_sm_alloc_eapol(sm, type, buf, len, &msglen, NULL);
144 [ - + ]: 3 : if (msg == NULL)
145 : 0 : return -1;
146 : :
147 : 3 : wpa_hexdump(MSG_MSGDUMP, "TX EAPOL (preauth)", msg, msglen);
148 : 3 : res = l2_packet_send(sm->l2_preauth, sm->preauth_bssid,
149 : : ETH_P_RSN_PREAUTH, msg, msglen);
150 : 3 : os_free(msg);
151 : 3 : return res;
152 : : }
153 : :
154 : :
155 : : /**
156 : : * rsn_preauth_init - Start new RSN pre-authentication
157 : : * @sm: Pointer to WPA state machine data from wpa_sm_init()
158 : : * @dst: Authenticator address (BSSID) with which to preauthenticate
159 : : * @eap_conf: Current EAP configuration
160 : : * Returns: 0 on success, -1 on another pre-authentication is in progress,
161 : : * -2 on layer 2 packet initialization failure, -3 on EAPOL state machine
162 : : * initialization failure, -4 on memory allocation failure
163 : : *
164 : : * This function request an RSN pre-authentication with a given destination
165 : : * address. This is usually called for PMKSA candidates found from scan results
166 : : * or from driver reports. In addition, ctrl_iface PREAUTH command can trigger
167 : : * pre-authentication.
168 : : */
169 : 1 : int rsn_preauth_init(struct wpa_sm *sm, const u8 *dst,
170 : : struct eap_peer_config *eap_conf)
171 : : {
172 : : struct eapol_config eapol_conf;
173 : : struct eapol_ctx *ctx;
174 : :
175 [ - + ]: 1 : if (sm->preauth_eapol)
176 : 0 : return -1;
177 : :
178 : 1 : wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG,
179 : 6 : "RSN: starting pre-authentication with " MACSTR, MAC2STR(dst));
180 : :
181 : 1 : sm->l2_preauth = l2_packet_init(sm->ifname, sm->own_addr,
182 : : ETH_P_RSN_PREAUTH,
183 : : rsn_preauth_receive, sm, 0);
184 [ - + ]: 1 : if (sm->l2_preauth == NULL) {
185 : 0 : wpa_printf(MSG_WARNING, "RSN: Failed to initialize L2 packet "
186 : : "processing for pre-authentication");
187 : 0 : return -2;
188 : : }
189 : :
190 [ - + ]: 1 : if (sm->bridge_ifname) {
191 : 0 : sm->l2_preauth_br = l2_packet_init(sm->bridge_ifname,
192 : 0 : sm->own_addr,
193 : : ETH_P_RSN_PREAUTH,
194 : : rsn_preauth_receive, sm, 0);
195 [ # # ]: 0 : if (sm->l2_preauth_br == NULL) {
196 : 0 : wpa_printf(MSG_WARNING, "RSN: Failed to initialize L2 "
197 : : "packet processing (bridge) for "
198 : : "pre-authentication");
199 : 0 : return -2;
200 : : }
201 : : }
202 : :
203 : 1 : ctx = os_zalloc(sizeof(*ctx));
204 [ - + ]: 1 : if (ctx == NULL) {
205 : 0 : wpa_printf(MSG_WARNING, "Failed to allocate EAPOL context.");
206 : 0 : return -4;
207 : : }
208 : 1 : ctx->ctx = sm->ctx->ctx;
209 : 1 : ctx->msg_ctx = sm->ctx->ctx;
210 : 1 : ctx->preauth = 1;
211 : 1 : ctx->cb = rsn_preauth_eapol_cb;
212 : 1 : ctx->cb_ctx = sm;
213 : 1 : ctx->scard_ctx = sm->scard_ctx;
214 : 1 : ctx->eapol_send = rsn_preauth_eapol_send;
215 : 1 : ctx->eapol_send_ctx = sm;
216 : 1 : ctx->set_config_blob = sm->ctx->set_config_blob;
217 : 1 : ctx->get_config_blob = sm->ctx->get_config_blob;
218 : :
219 : 1 : sm->preauth_eapol = eapol_sm_init(ctx);
220 [ - + ]: 1 : if (sm->preauth_eapol == NULL) {
221 : 0 : os_free(ctx);
222 : 0 : wpa_printf(MSG_WARNING, "RSN: Failed to initialize EAPOL "
223 : : "state machines for pre-authentication");
224 : 0 : return -3;
225 : : }
226 : 1 : os_memset(&eapol_conf, 0, sizeof(eapol_conf));
227 : 1 : eapol_conf.accept_802_1x_keys = 0;
228 : 1 : eapol_conf.required_keys = 0;
229 : 1 : eapol_conf.fast_reauth = sm->fast_reauth;
230 : 1 : eapol_conf.workaround = sm->eap_workaround;
231 : 1 : eapol_sm_notify_config(sm->preauth_eapol, eap_conf, &eapol_conf);
232 : : /*
233 : : * Use a shorter startPeriod with preauthentication since the first
234 : : * preauth EAPOL-Start frame may end up being dropped due to race
235 : : * condition in the AP between the data receive and key configuration
236 : : * after the 4-Way Handshake.
237 : : */
238 : 1 : eapol_sm_configure(sm->preauth_eapol, -1, -1, 5, 6);
239 : 1 : os_memcpy(sm->preauth_bssid, dst, ETH_ALEN);
240 : :
241 : 1 : eapol_sm_notify_portValid(sm->preauth_eapol, TRUE);
242 : : /* 802.1X::portControl = Auto */
243 : 1 : eapol_sm_notify_portEnabled(sm->preauth_eapol, TRUE);
244 : :
245 : 1 : eloop_register_timeout(sm->dot11RSNAConfigSATimeout, 0,
246 : : rsn_preauth_timeout, sm, NULL);
247 : :
248 : 1 : return 0;
249 : : }
250 : :
251 : :
252 : : /**
253 : : * rsn_preauth_deinit - Abort RSN pre-authentication
254 : : * @sm: Pointer to WPA state machine data from wpa_sm_init()
255 : : *
256 : : * This function aborts the current RSN pre-authentication (if one is started)
257 : : * and frees resources allocated for it.
258 : : */
259 : 1280 : void rsn_preauth_deinit(struct wpa_sm *sm)
260 : : {
261 [ + + ][ + + ]: 1280 : if (sm == NULL || !sm->preauth_eapol)
262 : 1280 : return;
263 : :
264 : 1 : eloop_cancel_timeout(rsn_preauth_timeout, sm, NULL);
265 : 1 : eapol_sm_deinit(sm->preauth_eapol);
266 : 1 : sm->preauth_eapol = NULL;
267 : 1 : os_memset(sm->preauth_bssid, 0, ETH_ALEN);
268 : :
269 : 1 : l2_packet_deinit(sm->l2_preauth);
270 : 1 : sm->l2_preauth = NULL;
271 [ - + ]: 1 : if (sm->l2_preauth_br) {
272 : 0 : l2_packet_deinit(sm->l2_preauth_br);
273 : 0 : sm->l2_preauth_br = NULL;
274 : : }
275 : : }
276 : :
277 : :
278 : : /**
279 : : * rsn_preauth_candidate_process - Process PMKSA candidates
280 : : * @sm: Pointer to WPA state machine data from wpa_sm_init()
281 : : *
282 : : * Go through the PMKSA candidates and start pre-authentication if a candidate
283 : : * without an existing PMKSA cache entry is found. Processed candidates will be
284 : : * removed from the list.
285 : : */
286 : 405 : void rsn_preauth_candidate_process(struct wpa_sm *sm)
287 : : {
288 : : struct rsn_pmksa_candidate *candidate, *n;
289 : :
290 [ + - ]: 405 : if (dl_list_empty(&sm->pmksa_candidates))
291 : 405 : return;
292 : :
293 : : /* TODO: drop priority for old candidate entries */
294 : :
295 : 0 : wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: processing PMKSA candidate "
296 : : "list");
297 [ # # ][ # # ]: 0 : if (sm->preauth_eapol ||
298 [ # # ]: 0 : sm->proto != WPA_PROTO_RSN ||
299 [ # # ]: 0 : wpa_sm_get_state(sm) != WPA_COMPLETED ||
300 [ # # ]: 0 : (sm->key_mgmt != WPA_KEY_MGMT_IEEE8021X &&
301 : 0 : sm->key_mgmt != WPA_KEY_MGMT_IEEE8021X_SHA256)) {
302 : 0 : wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: not in suitable "
303 : : "state for new pre-authentication");
304 : 0 : return; /* invalid state for new pre-auth */
305 : : }
306 : :
307 [ # # ]: 0 : dl_list_for_each_safe(candidate, n, &sm->pmksa_candidates,
308 : : struct rsn_pmksa_candidate, list) {
309 : 0 : struct rsn_pmksa_cache_entry *p = NULL;
310 : 0 : p = pmksa_cache_get(sm->pmksa, candidate->bssid, NULL, NULL);
311 [ # # ][ # # ]: 0 : if (os_memcmp(sm->bssid, candidate->bssid, ETH_ALEN) != 0 &&
312 [ # # ]: 0 : (p == NULL || p->opportunistic)) {
313 : 0 : wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: PMKSA "
314 : : "candidate " MACSTR
315 : : " selected for pre-authentication",
316 : 0 : MAC2STR(candidate->bssid));
317 : 0 : dl_list_del(&candidate->list);
318 : 0 : rsn_preauth_init(sm, candidate->bssid,
319 : 0 : sm->eap_conf_ctx);
320 : 0 : os_free(candidate);
321 : 0 : return;
322 : : }
323 : 0 : wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: PMKSA candidate "
324 : : MACSTR " does not need pre-authentication anymore",
325 : 0 : MAC2STR(candidate->bssid));
326 : : /* Some drivers (e.g., NDIS) expect to get notified about the
327 : : * PMKIDs again, so report the existing data now. */
328 [ # # ]: 0 : if (p) {
329 : 0 : wpa_sm_add_pmkid(sm, candidate->bssid, p->pmkid);
330 : : }
331 : :
332 : 0 : dl_list_del(&candidate->list);
333 : 0 : os_free(candidate);
334 : : }
335 : 405 : wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: no more pending PMKSA "
336 : : "candidates");
337 : : }
338 : :
339 : :
340 : : /**
341 : : * pmksa_candidate_add - Add a new PMKSA candidate
342 : : * @sm: Pointer to WPA state machine data from wpa_sm_init()
343 : : * @bssid: BSSID (authenticator address) of the candidate
344 : : * @prio: Priority (the smaller number, the higher priority)
345 : : * @preauth: Whether the candidate AP advertises support for pre-authentication
346 : : *
347 : : * This function is used to add PMKSA candidates for RSN pre-authentication. It
348 : : * is called from scan result processing and from driver events for PMKSA
349 : : * candidates, i.e., EVENT_PMKID_CANDIDATE events to wpa_supplicant_event().
350 : : */
351 : 3 : void pmksa_candidate_add(struct wpa_sm *sm, const u8 *bssid,
352 : : int prio, int preauth)
353 : : {
354 : : struct rsn_pmksa_candidate *cand, *pos;
355 : :
356 [ + - ][ + + ]: 3 : if (sm->network_ctx && sm->proactive_key_caching)
357 : 2 : pmksa_cache_get_opportunistic(sm->pmksa, sm->network_ctx,
358 : : bssid);
359 : :
360 [ + - ]: 3 : if (!preauth) {
361 : 3 : wpa_printf(MSG_DEBUG, "RSN: Ignored PMKID candidate without "
362 : : "preauth flag");
363 : 3 : return;
364 : : }
365 : :
366 : : /* If BSSID already on candidate list, update the priority of the old
367 : : * entry. Do not override priority based on normal scan results. */
368 : 0 : cand = NULL;
369 [ # # ]: 0 : dl_list_for_each(pos, &sm->pmksa_candidates,
370 : : struct rsn_pmksa_candidate, list) {
371 [ # # ]: 0 : if (os_memcmp(pos->bssid, bssid, ETH_ALEN) == 0) {
372 : 0 : cand = pos;
373 : 0 : break;
374 : : }
375 : : }
376 : :
377 [ # # ]: 0 : if (cand) {
378 : 0 : dl_list_del(&cand->list);
379 [ # # ]: 0 : if (prio < PMKID_CANDIDATE_PRIO_SCAN)
380 : 0 : cand->priority = prio;
381 : : } else {
382 : 0 : cand = os_zalloc(sizeof(*cand));
383 [ # # ]: 0 : if (cand == NULL)
384 : 0 : return;
385 : 0 : os_memcpy(cand->bssid, bssid, ETH_ALEN);
386 : 0 : cand->priority = prio;
387 : : }
388 : :
389 : : /* Add candidate to the list; order by increasing priority value. i.e.,
390 : : * highest priority (smallest value) first. */
391 [ # # ]: 0 : dl_list_for_each(pos, &sm->pmksa_candidates,
392 : : struct rsn_pmksa_candidate, list) {
393 [ # # ]: 0 : if (cand->priority <= pos->priority) {
394 : 0 : dl_list_add(pos->list.prev, &cand->list);
395 : 0 : cand = NULL;
396 : 0 : break;
397 : : }
398 : : }
399 [ # # ]: 0 : if (cand)
400 : 0 : dl_list_add_tail(&sm->pmksa_candidates, &cand->list);
401 : :
402 : 0 : wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: added PMKSA cache "
403 : 0 : "candidate " MACSTR " prio %d", MAC2STR(bssid), prio);
404 : 3 : rsn_preauth_candidate_process(sm);
405 : : }
406 : :
407 : :
408 : : /* TODO: schedule periodic scans if current AP supports preauth */
409 : :
410 : : /**
411 : : * rsn_preauth_scan_results - Start processing scan results for canditates
412 : : * @sm: Pointer to WPA state machine data from wpa_sm_init()
413 : : * Returns: 0 if ready to process results or -1 to skip processing
414 : : *
415 : : * This functions is used to notify RSN code about start of new scan results
416 : : * processing. The actual scan results will be provided by calling
417 : : * rsn_preauth_scan_result() for each BSS if this function returned 0.
418 : : */
419 : 438 : int rsn_preauth_scan_results(struct wpa_sm *sm)
420 : : {
421 [ + + ]: 438 : if (sm->ssid_len == 0)
422 : 388 : return -1;
423 : :
424 : : /*
425 : : * TODO: is it ok to free all candidates? What about the entries
426 : : * received from EVENT_PMKID_CANDIDATE?
427 : : */
428 : 50 : pmksa_candidate_free(sm);
429 : :
430 : 438 : return 0;
431 : : }
432 : :
433 : :
434 : : /**
435 : : * rsn_preauth_scan_result - Processing scan result for PMKSA canditates
436 : : * @sm: Pointer to WPA state machine data from wpa_sm_init()
437 : : *
438 : : * Add all suitable APs (Authenticators) from scan results into PMKSA
439 : : * candidate list.
440 : : */
441 : 50 : void rsn_preauth_scan_result(struct wpa_sm *sm, const u8 *bssid,
442 : : const u8 *ssid, const u8 *rsn)
443 : : {
444 : : struct wpa_ie_data ie;
445 : : struct rsn_pmksa_cache_entry *pmksa;
446 : :
447 [ + + ][ + + ]: 50 : if (ssid[1] != sm->ssid_len ||
448 : 46 : os_memcmp(ssid + 2, sm->ssid, sm->ssid_len) != 0)
449 : 5 : return; /* Not for the current SSID */
450 : :
451 [ + + ]: 45 : if (os_memcmp(bssid, sm->bssid, ETH_ALEN) == 0)
452 : 39 : return; /* Ignore current AP */
453 : :
454 [ - + ]: 6 : if (wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ie))
455 : 0 : return;
456 : :
457 : 6 : pmksa = pmksa_cache_get(sm->pmksa, bssid, NULL, NULL);
458 [ + + ][ - + ]: 6 : if (pmksa && (!pmksa->opportunistic ||
[ # # ]
459 : 0 : !(ie.capabilities & WPA_CAPABILITY_PREAUTH)))
460 : 3 : return;
461 : :
462 : : /* Give less priority to candidates found from normal scan results. */
463 : 50 : pmksa_candidate_add(sm, bssid, PMKID_CANDIDATE_PRIO_SCAN,
464 : 3 : ie.capabilities & WPA_CAPABILITY_PREAUTH);
465 : : }
466 : :
467 : :
468 : : #ifdef CONFIG_CTRL_IFACE
469 : : /**
470 : : * rsn_preauth_get_status - Get pre-authentication status
471 : : * @sm: Pointer to WPA state machine data from wpa_sm_init()
472 : : * @buf: Buffer for status information
473 : : * @buflen: Maximum buffer length
474 : : * @verbose: Whether to include verbose status information
475 : : * Returns: Number of bytes written to buf.
476 : : *
477 : : * Query WPA2 pre-authentication for status information. This function fills in
478 : : * a text area with current status information. If the buffer (buf) is not
479 : : * large enough, status information will be truncated to fit the buffer.
480 : : */
481 : 524 : int rsn_preauth_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
482 : : int verbose)
483 : : {
484 : 524 : char *pos = buf, *end = buf + buflen;
485 : : int res, ret;
486 : :
487 [ + + ]: 524 : if (sm->preauth_eapol) {
488 : 1 : ret = os_snprintf(pos, end - pos, "Pre-authentication "
489 : : "EAPOL state machines:\n");
490 [ + - ][ - + ]: 1 : if (ret < 0 || ret >= end - pos)
491 : 0 : return pos - buf;
492 : 1 : pos += ret;
493 : 1 : res = eapol_sm_get_status(sm->preauth_eapol,
494 : 1 : pos, end - pos, verbose);
495 [ + - ]: 1 : if (res >= 0)
496 : 1 : pos += res;
497 : : }
498 : :
499 : 524 : return pos - buf;
500 : : }
501 : : #endif /* CONFIG_CTRL_IFACE */
502 : :
503 : :
504 : : /**
505 : : * rsn_preauth_in_progress - Verify whether pre-authentication is in progress
506 : : * @sm: Pointer to WPA state machine data from wpa_sm_init()
507 : : */
508 : 0 : int rsn_preauth_in_progress(struct wpa_sm *sm)
509 : : {
510 : 0 : return sm->preauth_eapol != NULL;
511 : : }
512 : :
513 : : #endif /* IEEE8021X_EAPOL */
|
