Disconnect hostapd from building in base
[dragonfly.git] / contrib / hostapd / src / eapol_auth / eapol_auth_sm.c
CommitLineData
ebfa2275 1/*
4781064b
JM
2 * IEEE 802.1X-2004 Authenticator - EAPOL state machine
3 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
ebfa2275 4 *
4781064b
JM
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
ebfa2275
SZ
7 */
8
9#include "includes.h"
10
4781064b 11#include "common.h"
ebfa2275 12#include "eloop.h"
ebfa2275 13#include "state_machine.h"
4781064b
JM
14#include "common/eapol_common.h"
15#include "eap_common/eap_defs.h"
a875087d 16#include "eap_common/eap_common.h"
4781064b
JM
17#include "eap_server/eap.h"
18#include "eapol_auth_sm.h"
19#include "eapol_auth_sm_i.h"
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20
21#define STATE_MACHINE_DATA struct eapol_state_machine
22#define STATE_MACHINE_DEBUG_PREFIX "IEEE 802.1X"
23#define STATE_MACHINE_ADDR sm->addr
24
25static struct eapol_callbacks eapol_cb;
26
a875087d 27/* EAPOL state machines are described in IEEE Std 802.1X-2004, Chap. 8.2 */
ebfa2275
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28
29#define setPortAuthorized() \
4781064b 30sm->eapol->cb.set_port_authorized(sm->eapol->conf.ctx, sm->sta, 1)
ebfa2275 31#define setPortUnauthorized() \
4781064b 32sm->eapol->cb.set_port_authorized(sm->eapol->conf.ctx, sm->sta, 0)
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33
34/* procedures */
a875087d
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35#define txCannedFail() eapol_auth_tx_canned_eap(sm, 0)
36#define txCannedSuccess() eapol_auth_tx_canned_eap(sm, 1)
37#define txReq() eapol_auth_tx_req(sm)
4781064b
JM
38#define abortAuth() sm->eapol->cb.abort_auth(sm->eapol->conf.ctx, sm->sta)
39#define txKey() sm->eapol->cb.tx_key(sm->eapol->conf.ctx, sm->sta)
ebfa2275
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40#define processKey() do { } while (0)
41
42
43static void eapol_sm_step_run(struct eapol_state_machine *sm);
44static void eapol_sm_step_cb(void *eloop_ctx, void *timeout_ctx);
4781064b 45static void eapol_auth_initialize(struct eapol_state_machine *sm);
ebfa2275
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46
47
a875087d 48static void eapol_auth_logger(struct eapol_authenticator *eapol,
4781064b 49 const u8 *addr, eapol_logger_level level,
a875087d
JL
50 const char *txt)
51{
52 if (eapol->cb.logger == NULL)
53 return;
4781064b 54 eapol->cb.logger(eapol->conf.ctx, addr, level, txt);
a875087d
JL
55}
56
57
58static void eapol_auth_vlogger(struct eapol_authenticator *eapol,
4781064b 59 const u8 *addr, eapol_logger_level level,
a875087d
JL
60 const char *fmt, ...)
61{
62 char *format;
63 int maxlen;
64 va_list ap;
65
66 if (eapol->cb.logger == NULL)
67 return;
68
69 maxlen = os_strlen(fmt) + 100;
70 format = os_malloc(maxlen);
71 if (!format)
72 return;
73
74 va_start(ap, fmt);
75 vsnprintf(format, maxlen, fmt, ap);
76 va_end(ap);
77
78 eapol_auth_logger(eapol, addr, level, format);
79
80 os_free(format);
81}
82
83
84static void eapol_auth_tx_canned_eap(struct eapol_state_machine *sm,
85 int success)
86{
87 struct eap_hdr eap;
88
89 os_memset(&eap, 0, sizeof(eap));
90
91 eap.code = success ? EAP_CODE_SUCCESS : EAP_CODE_FAILURE;
92 eap.identifier = ++sm->last_eap_id;
93 eap.length = host_to_be16(sizeof(eap));
94
95 eapol_auth_vlogger(sm->eapol, sm->addr, EAPOL_LOGGER_DEBUG,
96 "Sending canned EAP packet %s (identifier %d)",
97 success ? "SUCCESS" : "FAILURE", eap.identifier);
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JM
98 sm->eapol->cb.eapol_send(sm->eapol->conf.ctx, sm->sta,
99 IEEE802_1X_TYPE_EAP_PACKET,
a875087d
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100 (u8 *) &eap, sizeof(eap));
101 sm->dot1xAuthEapolFramesTx++;
102}
103
104
105static void eapol_auth_tx_req(struct eapol_state_machine *sm)
106{
107 if (sm->eap_if->eapReqData == NULL ||
108 wpabuf_len(sm->eap_if->eapReqData) < sizeof(struct eap_hdr)) {
109 eapol_auth_logger(sm->eapol, sm->addr,
110 EAPOL_LOGGER_DEBUG,
111 "TxReq called, but there is no EAP request "
112 "from authentication server");
113 return;
114 }
115
116 if (sm->flags & EAPOL_SM_WAIT_START) {
117 wpa_printf(MSG_DEBUG, "EAPOL: Drop EAPOL TX to " MACSTR
118 " while waiting for EAPOL-Start",
119 MAC2STR(sm->addr));
120 return;
121 }
122
123 sm->last_eap_id = eap_get_id(sm->eap_if->eapReqData);
124 eapol_auth_vlogger(sm->eapol, sm->addr, EAPOL_LOGGER_DEBUG,
125 "Sending EAP Packet (identifier %d)",
126 sm->last_eap_id);
4781064b
JM
127 sm->eapol->cb.eapol_send(sm->eapol->conf.ctx, sm->sta,
128 IEEE802_1X_TYPE_EAP_PACKET,
a875087d
JL
129 wpabuf_head(sm->eap_if->eapReqData),
130 wpabuf_len(sm->eap_if->eapReqData));
131 sm->dot1xAuthEapolFramesTx++;
132 if (eap_get_type(sm->eap_if->eapReqData) == EAP_TYPE_IDENTITY)
133 sm->dot1xAuthEapolReqIdFramesTx++;
134 else
135 sm->dot1xAuthEapolReqFramesTx++;
136}
137
ebfa2275 138
a875087d
JL
139/**
140 * eapol_port_timers_tick - Port Timers state machine
141 * @eloop_ctx: struct eapol_state_machine *
142 * @timeout_ctx: Not used
143 *
144 * This statemachine is implemented as a function that will be called
145 * once a second as a registered event loop timeout.
146 */
ebfa2275
SZ
147static void eapol_port_timers_tick(void *eloop_ctx, void *timeout_ctx)
148{
149 struct eapol_state_machine *state = timeout_ctx;
150
151 if (state->aWhile > 0) {
152 state->aWhile--;
153 if (state->aWhile == 0) {
154 wpa_printf(MSG_DEBUG, "IEEE 802.1X: " MACSTR
155 " - aWhile --> 0",
156 MAC2STR(state->addr));
157 }
158 }
159
160 if (state->quietWhile > 0) {
161 state->quietWhile--;
162 if (state->quietWhile == 0) {
163 wpa_printf(MSG_DEBUG, "IEEE 802.1X: " MACSTR
164 " - quietWhile --> 0",
165 MAC2STR(state->addr));
166 }
167 }
168
169 if (state->reAuthWhen > 0) {
170 state->reAuthWhen--;
171 if (state->reAuthWhen == 0) {
172 wpa_printf(MSG_DEBUG, "IEEE 802.1X: " MACSTR
173 " - reAuthWhen --> 0",
174 MAC2STR(state->addr));
175 }
176 }
177
a875087d
JL
178 if (state->eap_if->retransWhile > 0) {
179 state->eap_if->retransWhile--;
180 if (state->eap_if->retransWhile == 0) {
181 wpa_printf(MSG_DEBUG, "IEEE 802.1X: " MACSTR
182 " - (EAP) retransWhile --> 0",
183 MAC2STR(state->addr));
184 }
185 }
186
ebfa2275
SZ
187 eapol_sm_step_run(state);
188
189 eloop_register_timeout(1, 0, eapol_port_timers_tick, eloop_ctx, state);
190}
191
192
193
194/* Authenticator PAE state machine */
195
196SM_STATE(AUTH_PAE, INITIALIZE)
197{
198 SM_ENTRY_MA(AUTH_PAE, INITIALIZE, auth_pae);
199 sm->portMode = Auto;
ebfa2275
SZ
200}
201
202
203SM_STATE(AUTH_PAE, DISCONNECTED)
204{
205 int from_initialize = sm->auth_pae_state == AUTH_PAE_INITIALIZE;
206
207 if (sm->eapolLogoff) {
208 if (sm->auth_pae_state == AUTH_PAE_CONNECTING)
209 sm->authEapLogoffsWhileConnecting++;
210 else if (sm->auth_pae_state == AUTH_PAE_AUTHENTICATED)
211 sm->authAuthEapLogoffWhileAuthenticated++;
212 }
213
214 SM_ENTRY_MA(AUTH_PAE, DISCONNECTED, auth_pae);
215
216 sm->authPortStatus = Unauthorized;
217 setPortUnauthorized();
218 sm->reAuthCount = 0;
219 sm->eapolLogoff = FALSE;
220 if (!from_initialize) {
4781064b 221 sm->eapol->cb.finished(sm->eapol->conf.ctx, sm->sta, 0,
a875087d 222 sm->flags & EAPOL_SM_PREAUTH);
ebfa2275
SZ
223 }
224}
225
226
227SM_STATE(AUTH_PAE, RESTART)
228{
229 if (sm->auth_pae_state == AUTH_PAE_AUTHENTICATED) {
230 if (sm->reAuthenticate)
231 sm->authAuthReauthsWhileAuthenticated++;
232 if (sm->eapolStart)
233 sm->authAuthEapStartsWhileAuthenticated++;
234 if (sm->eapolLogoff)
235 sm->authAuthEapLogoffWhileAuthenticated++;
236 }
237
238 SM_ENTRY_MA(AUTH_PAE, RESTART, auth_pae);
239
a875087d 240 sm->eap_if->eapRestart = TRUE;
ebfa2275
SZ
241}
242
243
244SM_STATE(AUTH_PAE, CONNECTING)
245{
246 if (sm->auth_pae_state != AUTH_PAE_CONNECTING)
247 sm->authEntersConnecting++;
248
249 SM_ENTRY_MA(AUTH_PAE, CONNECTING, auth_pae);
250
251 sm->reAuthenticate = FALSE;
252 sm->reAuthCount++;
253}
254
255
256SM_STATE(AUTH_PAE, HELD)
257{
258 if (sm->auth_pae_state == AUTH_PAE_AUTHENTICATING && sm->authFail)
259 sm->authAuthFailWhileAuthenticating++;
260
261 SM_ENTRY_MA(AUTH_PAE, HELD, auth_pae);
262
263 sm->authPortStatus = Unauthorized;
264 setPortUnauthorized();
265 sm->quietWhile = sm->quietPeriod;
266 sm->eapolLogoff = FALSE;
267
a875087d
JL
268 eapol_auth_vlogger(sm->eapol, sm->addr, EAPOL_LOGGER_WARNING,
269 "authentication failed - EAP type: %d (%s)",
270 sm->eap_type_authsrv,
4781064b 271 eap_server_get_name(0, sm->eap_type_authsrv));
ebfa2275 272 if (sm->eap_type_authsrv != sm->eap_type_supp) {
a875087d
JL
273 eapol_auth_vlogger(sm->eapol, sm->addr, EAPOL_LOGGER_INFO,
274 "Supplicant used different EAP type: "
275 "%d (%s)", sm->eap_type_supp,
4781064b 276 eap_server_get_name(0, sm->eap_type_supp));
ebfa2275 277 }
4781064b 278 sm->eapol->cb.finished(sm->eapol->conf.ctx, sm->sta, 0,
a875087d 279 sm->flags & EAPOL_SM_PREAUTH);
ebfa2275
SZ
280}
281
282
283SM_STATE(AUTH_PAE, AUTHENTICATED)
284{
285 char *extra = "";
286
287 if (sm->auth_pae_state == AUTH_PAE_AUTHENTICATING && sm->authSuccess)
288 sm->authAuthSuccessesWhileAuthenticating++;
289
290 SM_ENTRY_MA(AUTH_PAE, AUTHENTICATED, auth_pae);
291
292 sm->authPortStatus = Authorized;
293 setPortAuthorized();
294 sm->reAuthCount = 0;
295 if (sm->flags & EAPOL_SM_PREAUTH)
296 extra = " (pre-authentication)";
4781064b 297 else if (sm->flags & EAPOL_SM_FROM_PMKSA_CACHE)
ebfa2275 298 extra = " (PMKSA cache)";
a875087d
JL
299 eapol_auth_vlogger(sm->eapol, sm->addr, EAPOL_LOGGER_INFO,
300 "authenticated - EAP type: %d (%s)%s",
301 sm->eap_type_authsrv,
4781064b
JM
302 eap_server_get_name(0, sm->eap_type_authsrv),
303 extra);
304 sm->eapol->cb.finished(sm->eapol->conf.ctx, sm->sta, 1,
a875087d 305 sm->flags & EAPOL_SM_PREAUTH);
ebfa2275
SZ
306}
307
308
309SM_STATE(AUTH_PAE, AUTHENTICATING)
310{
ebfa2275
SZ
311 SM_ENTRY_MA(AUTH_PAE, AUTHENTICATING, auth_pae);
312
313 sm->eapolStart = FALSE;
314 sm->authSuccess = FALSE;
315 sm->authFail = FALSE;
316 sm->authTimeout = FALSE;
317 sm->authStart = TRUE;
318 sm->keyRun = FALSE;
319 sm->keyDone = FALSE;
320}
321
322
323SM_STATE(AUTH_PAE, ABORTING)
324{
325 if (sm->auth_pae_state == AUTH_PAE_AUTHENTICATING) {
326 if (sm->authTimeout)
327 sm->authAuthTimeoutsWhileAuthenticating++;
328 if (sm->eapolStart)
329 sm->authAuthEapStartsWhileAuthenticating++;
330 if (sm->eapolLogoff)
331 sm->authAuthEapLogoffWhileAuthenticating++;
332 }
333
334 SM_ENTRY_MA(AUTH_PAE, ABORTING, auth_pae);
335
336 sm->authAbort = TRUE;
337 sm->keyRun = FALSE;
338 sm->keyDone = FALSE;
339}
340
341
342SM_STATE(AUTH_PAE, FORCE_AUTH)
343{
344 SM_ENTRY_MA(AUTH_PAE, FORCE_AUTH, auth_pae);
345
346 sm->authPortStatus = Authorized;
347 setPortAuthorized();
348 sm->portMode = ForceAuthorized;
349 sm->eapolStart = FALSE;
350 txCannedSuccess();
351}
352
353
354SM_STATE(AUTH_PAE, FORCE_UNAUTH)
355{
356 SM_ENTRY_MA(AUTH_PAE, FORCE_UNAUTH, auth_pae);
357
358 sm->authPortStatus = Unauthorized;
359 setPortUnauthorized();
360 sm->portMode = ForceUnauthorized;
361 sm->eapolStart = FALSE;
362 txCannedFail();
363}
364
365
366SM_STEP(AUTH_PAE)
367{
368 if ((sm->portControl == Auto && sm->portMode != sm->portControl) ||
a875087d
JL
369 sm->initialize || !sm->eap_if->portEnabled)
370 SM_ENTER_GLOBAL(AUTH_PAE, INITIALIZE);
ebfa2275
SZ
371 else if (sm->portControl == ForceAuthorized &&
372 sm->portMode != sm->portControl &&
a875087d
JL
373 !(sm->initialize || !sm->eap_if->portEnabled))
374 SM_ENTER_GLOBAL(AUTH_PAE, FORCE_AUTH);
ebfa2275
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375 else if (sm->portControl == ForceUnauthorized &&
376 sm->portMode != sm->portControl &&
a875087d
JL
377 !(sm->initialize || !sm->eap_if->portEnabled))
378 SM_ENTER_GLOBAL(AUTH_PAE, FORCE_UNAUTH);
ebfa2275
SZ
379 else {
380 switch (sm->auth_pae_state) {
381 case AUTH_PAE_INITIALIZE:
382 SM_ENTER(AUTH_PAE, DISCONNECTED);
383 break;
384 case AUTH_PAE_DISCONNECTED:
385 SM_ENTER(AUTH_PAE, RESTART);
386 break;
387 case AUTH_PAE_RESTART:
a875087d 388 if (!sm->eap_if->eapRestart)
ebfa2275
SZ
389 SM_ENTER(AUTH_PAE, CONNECTING);
390 break;
391 case AUTH_PAE_HELD:
392 if (sm->quietWhile == 0)
393 SM_ENTER(AUTH_PAE, RESTART);
394 break;
395 case AUTH_PAE_CONNECTING:
396 if (sm->eapolLogoff || sm->reAuthCount > sm->reAuthMax)
397 SM_ENTER(AUTH_PAE, DISCONNECTED);
a875087d 398 else if ((sm->eap_if->eapReq &&
ebfa2275 399 sm->reAuthCount <= sm->reAuthMax) ||
a875087d 400 sm->eap_if->eapSuccess || sm->eap_if->eapFail)
ebfa2275
SZ
401 SM_ENTER(AUTH_PAE, AUTHENTICATING);
402 break;
403 case AUTH_PAE_AUTHENTICATED:
404 if (sm->eapolStart || sm->reAuthenticate)
405 SM_ENTER(AUTH_PAE, RESTART);
406 else if (sm->eapolLogoff || !sm->portValid)
407 SM_ENTER(AUTH_PAE, DISCONNECTED);
408 break;
409 case AUTH_PAE_AUTHENTICATING:
410 if (sm->authSuccess && sm->portValid)
411 SM_ENTER(AUTH_PAE, AUTHENTICATED);
412 else if (sm->authFail ||
413 (sm->keyDone && !sm->portValid))
414 SM_ENTER(AUTH_PAE, HELD);
415 else if (sm->eapolStart || sm->eapolLogoff ||
416 sm->authTimeout)
417 SM_ENTER(AUTH_PAE, ABORTING);
418 break;
419 case AUTH_PAE_ABORTING:
420 if (sm->eapolLogoff && !sm->authAbort)
421 SM_ENTER(AUTH_PAE, DISCONNECTED);
422 else if (!sm->eapolLogoff && !sm->authAbort)
423 SM_ENTER(AUTH_PAE, RESTART);
424 break;
425 case AUTH_PAE_FORCE_AUTH:
426 if (sm->eapolStart)
427 SM_ENTER(AUTH_PAE, FORCE_AUTH);
428 break;
429 case AUTH_PAE_FORCE_UNAUTH:
430 if (sm->eapolStart)
431 SM_ENTER(AUTH_PAE, FORCE_UNAUTH);
432 break;
433 }
434 }
435}
436
437
438
439/* Backend Authentication state machine */
440
441SM_STATE(BE_AUTH, INITIALIZE)
442{
443 SM_ENTRY_MA(BE_AUTH, INITIALIZE, be_auth);
444
445 abortAuth();
a875087d 446 sm->eap_if->eapNoReq = FALSE;
ebfa2275
SZ
447 sm->authAbort = FALSE;
448}
449
450
451SM_STATE(BE_AUTH, REQUEST)
452{
453 SM_ENTRY_MA(BE_AUTH, REQUEST, be_auth);
454
455 txReq();
a875087d 456 sm->eap_if->eapReq = FALSE;
ebfa2275
SZ
457 sm->backendOtherRequestsToSupplicant++;
458
459 /*
460 * Clearing eapolEap here is not specified in IEEE Std 802.1X-2004, but
461 * it looks like this would be logical thing to do there since the old
462 * EAP response would not be valid anymore after the new EAP request
463 * was sent out.
464 *
465 * A race condition has been reported, in which hostapd ended up
466 * sending out EAP-Response/Identity as a response to the first
467 * EAP-Request from the main EAP method. This can be avoided by
468 * clearing eapolEap here.
469 */
470 sm->eapolEap = FALSE;
471}
472
473
474SM_STATE(BE_AUTH, RESPONSE)
475{
476 SM_ENTRY_MA(BE_AUTH, RESPONSE, be_auth);
477
478 sm->authTimeout = FALSE;
479 sm->eapolEap = FALSE;
a875087d 480 sm->eap_if->eapNoReq = FALSE;
ebfa2275 481 sm->aWhile = sm->serverTimeout;
a875087d
JL
482 sm->eap_if->eapResp = TRUE;
483 /* sendRespToServer(); */
ebfa2275
SZ
484 sm->backendResponses++;
485}
486
487
488SM_STATE(BE_AUTH, SUCCESS)
489{
490 SM_ENTRY_MA(BE_AUTH, SUCCESS, be_auth);
491
492 txReq();
493 sm->authSuccess = TRUE;
494 sm->keyRun = TRUE;
495}
496
497
498SM_STATE(BE_AUTH, FAIL)
499{
500 SM_ENTRY_MA(BE_AUTH, FAIL, be_auth);
501
a875087d 502 txReq();
ebfa2275
SZ
503 sm->authFail = TRUE;
504}
505
506
507SM_STATE(BE_AUTH, TIMEOUT)
508{
509 SM_ENTRY_MA(BE_AUTH, TIMEOUT, be_auth);
510
511 sm->authTimeout = TRUE;
512}
513
514
515SM_STATE(BE_AUTH, IDLE)
516{
517 SM_ENTRY_MA(BE_AUTH, IDLE, be_auth);
518
519 sm->authStart = FALSE;
520}
521
522
523SM_STATE(BE_AUTH, IGNORE)
524{
525 SM_ENTRY_MA(BE_AUTH, IGNORE, be_auth);
526
a875087d 527 sm->eap_if->eapNoReq = FALSE;
ebfa2275
SZ
528}
529
530
531SM_STEP(BE_AUTH)
532{
533 if (sm->portControl != Auto || sm->initialize || sm->authAbort) {
a875087d 534 SM_ENTER_GLOBAL(BE_AUTH, INITIALIZE);
ebfa2275
SZ
535 return;
536 }
537
538 switch (sm->be_auth_state) {
539 case BE_AUTH_INITIALIZE:
540 SM_ENTER(BE_AUTH, IDLE);
541 break;
542 case BE_AUTH_REQUEST:
543 if (sm->eapolEap)
544 SM_ENTER(BE_AUTH, RESPONSE);
a875087d 545 else if (sm->eap_if->eapReq)
ebfa2275 546 SM_ENTER(BE_AUTH, REQUEST);
a875087d 547 else if (sm->eap_if->eapTimeout)
ebfa2275
SZ
548 SM_ENTER(BE_AUTH, TIMEOUT);
549 break;
550 case BE_AUTH_RESPONSE:
a875087d 551 if (sm->eap_if->eapNoReq)
ebfa2275 552 SM_ENTER(BE_AUTH, IGNORE);
a875087d 553 if (sm->eap_if->eapReq) {
ebfa2275
SZ
554 sm->backendAccessChallenges++;
555 SM_ENTER(BE_AUTH, REQUEST);
556 } else if (sm->aWhile == 0)
557 SM_ENTER(BE_AUTH, TIMEOUT);
a875087d 558 else if (sm->eap_if->eapFail) {
ebfa2275
SZ
559 sm->backendAuthFails++;
560 SM_ENTER(BE_AUTH, FAIL);
a875087d 561 } else if (sm->eap_if->eapSuccess) {
ebfa2275
SZ
562 sm->backendAuthSuccesses++;
563 SM_ENTER(BE_AUTH, SUCCESS);
564 }
565 break;
566 case BE_AUTH_SUCCESS:
567 SM_ENTER(BE_AUTH, IDLE);
568 break;
569 case BE_AUTH_FAIL:
570 SM_ENTER(BE_AUTH, IDLE);
571 break;
572 case BE_AUTH_TIMEOUT:
573 SM_ENTER(BE_AUTH, IDLE);
574 break;
575 case BE_AUTH_IDLE:
a875087d 576 if (sm->eap_if->eapFail && sm->authStart)
ebfa2275 577 SM_ENTER(BE_AUTH, FAIL);
a875087d 578 else if (sm->eap_if->eapReq && sm->authStart)
ebfa2275 579 SM_ENTER(BE_AUTH, REQUEST);
a875087d 580 else if (sm->eap_if->eapSuccess && sm->authStart)
ebfa2275
SZ
581 SM_ENTER(BE_AUTH, SUCCESS);
582 break;
583 case BE_AUTH_IGNORE:
584 if (sm->eapolEap)
585 SM_ENTER(BE_AUTH, RESPONSE);
a875087d 586 else if (sm->eap_if->eapReq)
ebfa2275 587 SM_ENTER(BE_AUTH, REQUEST);
a875087d 588 else if (sm->eap_if->eapTimeout)
ebfa2275
SZ
589 SM_ENTER(BE_AUTH, TIMEOUT);
590 break;
591 }
592}
593
594
595
596/* Reauthentication Timer state machine */
597
598SM_STATE(REAUTH_TIMER, INITIALIZE)
599{
600 SM_ENTRY_MA(REAUTH_TIMER, INITIALIZE, reauth_timer);
601
602 sm->reAuthWhen = sm->reAuthPeriod;
603}
604
605
606SM_STATE(REAUTH_TIMER, REAUTHENTICATE)
607{
608 SM_ENTRY_MA(REAUTH_TIMER, REAUTHENTICATE, reauth_timer);
609
610 sm->reAuthenticate = TRUE;
4781064b
JM
611 sm->eapol->cb.eapol_event(sm->eapol->conf.ctx, sm->sta,
612 EAPOL_AUTH_REAUTHENTICATE);
ebfa2275
SZ
613}
614
615
616SM_STEP(REAUTH_TIMER)
617{
618 if (sm->portControl != Auto || sm->initialize ||
619 sm->authPortStatus == Unauthorized || !sm->reAuthEnabled) {
a875087d 620 SM_ENTER_GLOBAL(REAUTH_TIMER, INITIALIZE);
ebfa2275
SZ
621 return;
622 }
623
624 switch (sm->reauth_timer_state) {
625 case REAUTH_TIMER_INITIALIZE:
626 if (sm->reAuthWhen == 0)
627 SM_ENTER(REAUTH_TIMER, REAUTHENTICATE);
628 break;
629 case REAUTH_TIMER_REAUTHENTICATE:
630 SM_ENTER(REAUTH_TIMER, INITIALIZE);
631 break;
632 }
633}
634
635
636
637/* Authenticator Key Transmit state machine */
638
639SM_STATE(AUTH_KEY_TX, NO_KEY_TRANSMIT)
640{
641 SM_ENTRY_MA(AUTH_KEY_TX, NO_KEY_TRANSMIT, auth_key_tx);
642}
643
644
645SM_STATE(AUTH_KEY_TX, KEY_TRANSMIT)
646{
647 SM_ENTRY_MA(AUTH_KEY_TX, KEY_TRANSMIT, auth_key_tx);
648
649 txKey();
a875087d 650 sm->eap_if->eapKeyAvailable = FALSE;
ebfa2275
SZ
651 sm->keyDone = TRUE;
652}
653
654
655SM_STEP(AUTH_KEY_TX)
656{
657 if (sm->initialize || sm->portControl != Auto) {
a875087d 658 SM_ENTER_GLOBAL(AUTH_KEY_TX, NO_KEY_TRANSMIT);
ebfa2275
SZ
659 return;
660 }
661
662 switch (sm->auth_key_tx_state) {
663 case AUTH_KEY_TX_NO_KEY_TRANSMIT:
a875087d 664 if (sm->keyTxEnabled && sm->eap_if->eapKeyAvailable &&
4781064b 665 sm->keyRun && !(sm->flags & EAPOL_SM_USES_WPA))
ebfa2275
SZ
666 SM_ENTER(AUTH_KEY_TX, KEY_TRANSMIT);
667 break;
668 case AUTH_KEY_TX_KEY_TRANSMIT:
669 if (!sm->keyTxEnabled || !sm->keyRun)
670 SM_ENTER(AUTH_KEY_TX, NO_KEY_TRANSMIT);
a875087d 671 else if (sm->eap_if->eapKeyAvailable)
ebfa2275
SZ
672 SM_ENTER(AUTH_KEY_TX, KEY_TRANSMIT);
673 break;
674 }
675}
676
677
678
679/* Key Receive state machine */
680
681SM_STATE(KEY_RX, NO_KEY_RECEIVE)
682{
683 SM_ENTRY_MA(KEY_RX, NO_KEY_RECEIVE, key_rx);
684}
685
686
687SM_STATE(KEY_RX, KEY_RECEIVE)
688{
689 SM_ENTRY_MA(KEY_RX, KEY_RECEIVE, key_rx);
690
691 processKey();
692 sm->rxKey = FALSE;
693}
694
695
696SM_STEP(KEY_RX)
697{
a875087d
JL
698 if (sm->initialize || !sm->eap_if->portEnabled) {
699 SM_ENTER_GLOBAL(KEY_RX, NO_KEY_RECEIVE);
ebfa2275
SZ
700 return;
701 }
702
703 switch (sm->key_rx_state) {
704 case KEY_RX_NO_KEY_RECEIVE:
705 if (sm->rxKey)
706 SM_ENTER(KEY_RX, KEY_RECEIVE);
707 break;
708 case KEY_RX_KEY_RECEIVE:
709 if (sm->rxKey)
710 SM_ENTER(KEY_RX, KEY_RECEIVE);
711 break;
712 }
713}
714
715
716
717/* Controlled Directions state machine */
718
719SM_STATE(CTRL_DIR, FORCE_BOTH)
720{
721 SM_ENTRY_MA(CTRL_DIR, FORCE_BOTH, ctrl_dir);
722 sm->operControlledDirections = Both;
723}
724
725
726SM_STATE(CTRL_DIR, IN_OR_BOTH)
727{
728 SM_ENTRY_MA(CTRL_DIR, IN_OR_BOTH, ctrl_dir);
729 sm->operControlledDirections = sm->adminControlledDirections;
730}
731
732
733SM_STEP(CTRL_DIR)
734{
735 if (sm->initialize) {
a875087d 736 SM_ENTER_GLOBAL(CTRL_DIR, IN_OR_BOTH);
ebfa2275
SZ
737 return;
738 }
739
740 switch (sm->ctrl_dir_state) {
741 case CTRL_DIR_FORCE_BOTH:
a875087d 742 if (sm->eap_if->portEnabled && sm->operEdge)
ebfa2275
SZ
743 SM_ENTER(CTRL_DIR, IN_OR_BOTH);
744 break;
745 case CTRL_DIR_IN_OR_BOTH:
746 if (sm->operControlledDirections !=
747 sm->adminControlledDirections)
748 SM_ENTER(CTRL_DIR, IN_OR_BOTH);
a875087d 749 if (!sm->eap_if->portEnabled || !sm->operEdge)
ebfa2275
SZ
750 SM_ENTER(CTRL_DIR, FORCE_BOTH);
751 break;
752 }
753}
754
755
756
757struct eapol_state_machine *
a875087d 758eapol_auth_alloc(struct eapol_authenticator *eapol, const u8 *addr,
4781064b
JM
759 int flags, const struct wpabuf *assoc_wps_ie,
760 const struct wpabuf *assoc_p2p_ie, void *sta_ctx,
761 const char *identity, const char *radius_cui)
ebfa2275
SZ
762{
763 struct eapol_state_machine *sm;
a875087d 764 struct eap_config eap_conf;
ebfa2275 765
a875087d
JL
766 if (eapol == NULL)
767 return NULL;
a875087d
JL
768
769 sm = os_zalloc(sizeof(*sm));
ebfa2275 770 if (sm == NULL) {
a875087d
JL
771 wpa_printf(MSG_DEBUG, "IEEE 802.1X state machine allocation "
772 "failed");
ebfa2275
SZ
773 return NULL;
774 }
775 sm->radius_identifier = -1;
a875087d 776 os_memcpy(sm->addr, addr, ETH_ALEN);
4781064b 777 sm->flags = flags;
ebfa2275 778
a875087d 779 sm->eapol = eapol;
4781064b 780 sm->sta = sta_ctx;
ebfa2275
SZ
781
782 /* Set default values for state machine constants */
783 sm->auth_pae_state = AUTH_PAE_INITIALIZE;
784 sm->quietPeriod = AUTH_PAE_DEFAULT_quietPeriod;
785 sm->reAuthMax = AUTH_PAE_DEFAULT_reAuthMax;
786
787 sm->be_auth_state = BE_AUTH_INITIALIZE;
788 sm->serverTimeout = BE_AUTH_DEFAULT_serverTimeout;
789
790 sm->reauth_timer_state = REAUTH_TIMER_INITIALIZE;
a875087d
JL
791 sm->reAuthPeriod = eapol->conf.eap_reauth_period;
792 sm->reAuthEnabled = eapol->conf.eap_reauth_period > 0 ? TRUE : FALSE;
ebfa2275
SZ
793
794 sm->auth_key_tx_state = AUTH_KEY_TX_NO_KEY_TRANSMIT;
795
796 sm->key_rx_state = KEY_RX_NO_KEY_RECEIVE;
797
798 sm->ctrl_dir_state = CTRL_DIR_IN_OR_BOTH;
799
ebfa2275
SZ
800 sm->portControl = Auto;
801
a875087d 802 if (!eapol->conf.wpa &&
4781064b 803 (eapol->default_wep_key || eapol->conf.individual_wep_key_len > 0))
ebfa2275
SZ
804 sm->keyTxEnabled = TRUE;
805 else
806 sm->keyTxEnabled = FALSE;
a875087d 807 if (eapol->conf.wpa)
ebfa2275
SZ
808 sm->portValid = FALSE;
809 else
810 sm->portValid = TRUE;
811
a875087d
JL
812 os_memset(&eap_conf, 0, sizeof(eap_conf));
813 eap_conf.eap_server = eapol->conf.eap_server;
814 eap_conf.ssl_ctx = eapol->conf.ssl_ctx;
4781064b 815 eap_conf.msg_ctx = eapol->conf.msg_ctx;
a875087d
JL
816 eap_conf.eap_sim_db_priv = eapol->conf.eap_sim_db_priv;
817 eap_conf.pac_opaque_encr_key = eapol->conf.pac_opaque_encr_key;
818 eap_conf.eap_fast_a_id = eapol->conf.eap_fast_a_id;
819 eap_conf.eap_fast_a_id_len = eapol->conf.eap_fast_a_id_len;
820 eap_conf.eap_fast_a_id_info = eapol->conf.eap_fast_a_id_info;
821 eap_conf.eap_fast_prov = eapol->conf.eap_fast_prov;
822 eap_conf.pac_key_lifetime = eapol->conf.pac_key_lifetime;
823 eap_conf.pac_key_refresh_time = eapol->conf.pac_key_refresh_time;
824 eap_conf.eap_sim_aka_result_ind = eapol->conf.eap_sim_aka_result_ind;
825 eap_conf.tnc = eapol->conf.tnc;
826 eap_conf.wps = eapol->conf.wps;
4781064b
JM
827 eap_conf.assoc_wps_ie = assoc_wps_ie;
828 eap_conf.assoc_p2p_ie = assoc_p2p_ie;
829 eap_conf.peer_addr = addr;
830 eap_conf.fragment_size = eapol->conf.fragment_size;
831 eap_conf.pwd_group = eapol->conf.pwd_group;
832 eap_conf.pbc_in_m1 = eapol->conf.pbc_in_m1;
833 eap_conf.server_id = eapol->conf.server_id;
834 eap_conf.server_id_len = eapol->conf.server_id_len;
a875087d
JL
835 sm->eap = eap_server_sm_init(sm, &eapol_cb, &eap_conf);
836 if (sm->eap == NULL) {
837 eapol_auth_free(sm);
838 return NULL;
ebfa2275 839 }
a875087d 840 sm->eap_if = eap_get_interface(sm->eap);
ebfa2275 841
a875087d 842 eapol_auth_initialize(sm);
ebfa2275 843
4781064b
JM
844 if (identity) {
845 sm->identity = (u8 *) os_strdup(identity);
846 if (sm->identity)
847 sm->identity_len = os_strlen(identity);
848 }
849 if (radius_cui)
850 sm->radius_cui = wpabuf_alloc_copy(radius_cui,
851 os_strlen(radius_cui));
852
ebfa2275
SZ
853 return sm;
854}
855
856
a875087d 857void eapol_auth_free(struct eapol_state_machine *sm)
ebfa2275
SZ
858{
859 if (sm == NULL)
860 return;
861
a875087d 862 eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm);
ebfa2275
SZ
863 eloop_cancel_timeout(eapol_sm_step_cb, sm, NULL);
864 if (sm->eap)
a875087d
JL
865 eap_server_sm_deinit(sm->eap);
866 os_free(sm);
ebfa2275
SZ
867}
868
869
a875087d
JL
870static int eapol_sm_sta_entry_alive(struct eapol_authenticator *eapol,
871 const u8 *addr)
ebfa2275 872{
4781064b 873 return eapol->cb.sta_entry_alive(eapol->conf.ctx, addr);
ebfa2275
SZ
874}
875
876
877static void eapol_sm_step_run(struct eapol_state_machine *sm)
878{
a875087d 879 struct eapol_authenticator *eapol = sm->eapol;
ebfa2275
SZ
880 u8 addr[ETH_ALEN];
881 unsigned int prev_auth_pae, prev_be_auth, prev_reauth_timer,
882 prev_auth_key_tx, prev_key_rx, prev_ctrl_dir;
883 int max_steps = 100;
884
a875087d 885 os_memcpy(addr, sm->addr, ETH_ALEN);
ebfa2275
SZ
886
887 /*
888 * Allow EAPOL state machines to run as long as there are state
889 * changes, but exit and return here through event loop if more than
890 * 100 steps is needed as a precaution against infinite loops inside
891 * eloop callback.
892 */
893restart:
894 prev_auth_pae = sm->auth_pae_state;
895 prev_be_auth = sm->be_auth_state;
896 prev_reauth_timer = sm->reauth_timer_state;
897 prev_auth_key_tx = sm->auth_key_tx_state;
898 prev_key_rx = sm->key_rx_state;
899 prev_ctrl_dir = sm->ctrl_dir_state;
900
901 SM_STEP_RUN(AUTH_PAE);
a875087d 902 if (sm->initializing || eapol_sm_sta_entry_alive(eapol, addr))
ebfa2275 903 SM_STEP_RUN(BE_AUTH);
a875087d 904 if (sm->initializing || eapol_sm_sta_entry_alive(eapol, addr))
ebfa2275 905 SM_STEP_RUN(REAUTH_TIMER);
a875087d 906 if (sm->initializing || eapol_sm_sta_entry_alive(eapol, addr))
ebfa2275 907 SM_STEP_RUN(AUTH_KEY_TX);
a875087d 908 if (sm->initializing || eapol_sm_sta_entry_alive(eapol, addr))
ebfa2275 909 SM_STEP_RUN(KEY_RX);
a875087d 910 if (sm->initializing || eapol_sm_sta_entry_alive(eapol, addr))
ebfa2275
SZ
911 SM_STEP_RUN(CTRL_DIR);
912
913 if (prev_auth_pae != sm->auth_pae_state ||
914 prev_be_auth != sm->be_auth_state ||
915 prev_reauth_timer != sm->reauth_timer_state ||
916 prev_auth_key_tx != sm->auth_key_tx_state ||
917 prev_key_rx != sm->key_rx_state ||
918 prev_ctrl_dir != sm->ctrl_dir_state) {
919 if (--max_steps > 0)
920 goto restart;
921 /* Re-run from eloop timeout */
a875087d 922 eapol_auth_step(sm);
ebfa2275
SZ
923 return;
924 }
925
a875087d
JL
926 if (eapol_sm_sta_entry_alive(eapol, addr) && sm->eap) {
927 if (eap_server_sm_step(sm->eap)) {
ebfa2275
SZ
928 if (--max_steps > 0)
929 goto restart;
930 /* Re-run from eloop timeout */
a875087d 931 eapol_auth_step(sm);
ebfa2275
SZ
932 return;
933 }
a875087d
JL
934
935 /* TODO: find a better location for this */
936 if (sm->eap_if->aaaEapResp) {
937 sm->eap_if->aaaEapResp = FALSE;
938 if (sm->eap_if->aaaEapRespData == NULL) {
939 wpa_printf(MSG_DEBUG, "EAPOL: aaaEapResp set, "
940 "but no aaaEapRespData available");
941 return;
942 }
943 sm->eapol->cb.aaa_send(
4781064b 944 sm->eapol->conf.ctx, sm->sta,
a875087d
JL
945 wpabuf_head(sm->eap_if->aaaEapRespData),
946 wpabuf_len(sm->eap_if->aaaEapRespData));
947 }
ebfa2275
SZ
948 }
949
a875087d 950 if (eapol_sm_sta_entry_alive(eapol, addr))
4781064b
JM
951 sm->eapol->cb.eapol_event(sm->eapol->conf.ctx, sm->sta,
952 EAPOL_AUTH_SM_CHANGE);
ebfa2275
SZ
953}
954
955
956static void eapol_sm_step_cb(void *eloop_ctx, void *timeout_ctx)
957{
958 struct eapol_state_machine *sm = eloop_ctx;
959 eapol_sm_step_run(sm);
960}
961
962
a875087d
JL
963/**
964 * eapol_auth_step - Advance EAPOL state machines
965 * @sm: EAPOL state machine
966 *
967 * This function is called to advance EAPOL state machines after any change
968 * that could affect their state.
969 */
970void eapol_auth_step(struct eapol_state_machine *sm)
ebfa2275
SZ
971{
972 /*
973 * Run eapol_sm_step_run from a registered timeout to make sure that
974 * other possible timeouts/events are processed and to avoid long
975 * function call chains.
976 */
977
978 eloop_register_timeout(0, 0, eapol_sm_step_cb, sm, NULL);
979}
980
981
4781064b 982static void eapol_auth_initialize(struct eapol_state_machine *sm)
ebfa2275
SZ
983{
984 sm->initializing = TRUE;
985 /* Initialize the state machines by asserting initialize and then
986 * deasserting it after one step */
987 sm->initialize = TRUE;
988 eapol_sm_step_run(sm);
989 sm->initialize = FALSE;
990 eapol_sm_step_run(sm);
991 sm->initializing = FALSE;
992
993 /* Start one second tick for port timers state machine */
a875087d
JL
994 eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm);
995 eloop_register_timeout(1, 0, eapol_port_timers_tick, NULL, sm);
ebfa2275
SZ
996}
997
998
a875087d
JL
999static int eapol_sm_get_eap_user(void *ctx, const u8 *identity,
1000 size_t identity_len, int phase2,
1001 struct eap_user *user)
ebfa2275
SZ
1002{
1003 struct eapol_state_machine *sm = ctx;
4781064b
JM
1004 return sm->eapol->cb.get_eap_user(sm->eapol->conf.ctx, identity,
1005 identity_len, phase2, user);
ebfa2275
SZ
1006}
1007
1008
a875087d 1009static const char * eapol_sm_get_eap_req_id_text(void *ctx, size_t *len)
ebfa2275
SZ
1010{
1011 struct eapol_state_machine *sm = ctx;
a875087d
JL
1012 *len = sm->eapol->conf.eap_req_id_text_len;
1013 return sm->eapol->conf.eap_req_id_text;
ebfa2275
SZ
1014}
1015
1016
a875087d 1017static struct eapol_callbacks eapol_cb =
ebfa2275 1018{
4781064b
JM
1019 eapol_sm_get_eap_user,
1020 eapol_sm_get_eap_req_id_text
a875087d 1021};
ebfa2275
SZ
1022
1023
a875087d 1024int eapol_auth_eap_pending_cb(struct eapol_state_machine *sm, void *ctx)
ebfa2275 1025{
4781064b 1026 if (sm == NULL || ctx == NULL || ctx != sm->eap)
a875087d 1027 return -1;
ebfa2275 1028
a875087d
JL
1029 eap_sm_pending_cb(sm->eap);
1030 eapol_auth_step(sm);
ebfa2275 1031
a875087d 1032 return 0;
ebfa2275
SZ
1033}
1034
1035
a875087d
JL
1036static int eapol_auth_conf_clone(struct eapol_auth_config *dst,
1037 struct eapol_auth_config *src)
ebfa2275 1038{
4781064b 1039 dst->ctx = src->ctx;
a875087d
JL
1040 dst->eap_reauth_period = src->eap_reauth_period;
1041 dst->wpa = src->wpa;
1042 dst->individual_wep_key_len = src->individual_wep_key_len;
1043 dst->eap_server = src->eap_server;
1044 dst->ssl_ctx = src->ssl_ctx;
4781064b 1045 dst->msg_ctx = src->msg_ctx;
a875087d
JL
1046 dst->eap_sim_db_priv = src->eap_sim_db_priv;
1047 os_free(dst->eap_req_id_text);
4781064b
JM
1048 dst->pwd_group = src->pwd_group;
1049 dst->pbc_in_m1 = src->pbc_in_m1;
1050 dst->server_id = src->server_id;
1051 dst->server_id_len = src->server_id_len;
a875087d
JL
1052 if (src->eap_req_id_text) {
1053 dst->eap_req_id_text = os_malloc(src->eap_req_id_text_len);
1054 if (dst->eap_req_id_text == NULL)
ebfa2275 1055 return -1;
a875087d
JL
1056 os_memcpy(dst->eap_req_id_text, src->eap_req_id_text,
1057 src->eap_req_id_text_len);
1058 dst->eap_req_id_text_len = src->eap_req_id_text_len;
1059 } else {
1060 dst->eap_req_id_text = NULL;
1061 dst->eap_req_id_text_len = 0;
ebfa2275 1062 }
a875087d
JL
1063 if (src->pac_opaque_encr_key) {
1064 dst->pac_opaque_encr_key = os_malloc(16);
4781064b
JM
1065 if (dst->pac_opaque_encr_key == NULL) {
1066 os_free(dst->eap_req_id_text);
1067 return -1;
1068 }
a875087d
JL
1069 os_memcpy(dst->pac_opaque_encr_key, src->pac_opaque_encr_key,
1070 16);
1071 } else
1072 dst->pac_opaque_encr_key = NULL;
1073 if (src->eap_fast_a_id) {
1074 dst->eap_fast_a_id = os_malloc(src->eap_fast_a_id_len);
1075 if (dst->eap_fast_a_id == NULL) {
1076 os_free(dst->eap_req_id_text);
4781064b 1077 os_free(dst->pac_opaque_encr_key);
a875087d
JL
1078 return -1;
1079 }
1080 os_memcpy(dst->eap_fast_a_id, src->eap_fast_a_id,
1081 src->eap_fast_a_id_len);
1082 dst->eap_fast_a_id_len = src->eap_fast_a_id_len;
1083 } else
1084 dst->eap_fast_a_id = NULL;
1085 if (src->eap_fast_a_id_info) {
1086 dst->eap_fast_a_id_info = os_strdup(src->eap_fast_a_id_info);
1087 if (dst->eap_fast_a_id_info == NULL) {
1088 os_free(dst->eap_req_id_text);
4781064b 1089 os_free(dst->pac_opaque_encr_key);
a875087d
JL
1090 os_free(dst->eap_fast_a_id);
1091 return -1;
1092 }
1093 } else
1094 dst->eap_fast_a_id_info = NULL;
1095 dst->eap_fast_prov = src->eap_fast_prov;
1096 dst->pac_key_lifetime = src->pac_key_lifetime;
1097 dst->pac_key_refresh_time = src->pac_key_refresh_time;
1098 dst->eap_sim_aka_result_ind = src->eap_sim_aka_result_ind;
1099 dst->tnc = src->tnc;
1100 dst->wps = src->wps;
4781064b 1101 dst->fragment_size = src->fragment_size;
ebfa2275
SZ
1102 return 0;
1103}
1104
1105
a875087d 1106static void eapol_auth_conf_free(struct eapol_auth_config *conf)
ebfa2275 1107{
a875087d
JL
1108 os_free(conf->eap_req_id_text);
1109 conf->eap_req_id_text = NULL;
1110 os_free(conf->pac_opaque_encr_key);
1111 conf->pac_opaque_encr_key = NULL;
1112 os_free(conf->eap_fast_a_id);
1113 conf->eap_fast_a_id = NULL;
1114 os_free(conf->eap_fast_a_id_info);
1115 conf->eap_fast_a_id_info = NULL;
ebfa2275
SZ
1116}
1117
1118
a875087d
JL
1119struct eapol_authenticator * eapol_auth_init(struct eapol_auth_config *conf,
1120 struct eapol_auth_cb *cb)
ebfa2275 1121{
a875087d 1122 struct eapol_authenticator *eapol;
ebfa2275 1123
a875087d
JL
1124 eapol = os_zalloc(sizeof(*eapol));
1125 if (eapol == NULL)
1126 return NULL;
ebfa2275 1127
a875087d
JL
1128 if (eapol_auth_conf_clone(&eapol->conf, conf) < 0) {
1129 os_free(eapol);
1130 return NULL;
1131 }
ebfa2275 1132
4781064b
JM
1133 if (conf->individual_wep_key_len > 0) {
1134 /* use key0 in individual key and key1 in broadcast key */
1135 eapol->default_wep_key_idx = 1;
1136 }
1137
a875087d
JL
1138 eapol->cb.eapol_send = cb->eapol_send;
1139 eapol->cb.aaa_send = cb->aaa_send;
1140 eapol->cb.finished = cb->finished;
1141 eapol->cb.get_eap_user = cb->get_eap_user;
1142 eapol->cb.sta_entry_alive = cb->sta_entry_alive;
1143 eapol->cb.logger = cb->logger;
1144 eapol->cb.set_port_authorized = cb->set_port_authorized;
1145 eapol->cb.abort_auth = cb->abort_auth;
1146 eapol->cb.tx_key = cb->tx_key;
4781064b 1147 eapol->cb.eapol_event = cb->eapol_event;
a875087d
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1148
1149 return eapol;
1150}
ebfa2275 1151
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1152
1153void eapol_auth_deinit(struct eapol_authenticator *eapol)
1154{
1155 if (eapol == NULL)
1156 return;
1157
1158 eapol_auth_conf_free(&eapol->conf);
4781064b 1159 os_free(eapol->default_wep_key);
a875087d 1160 os_free(eapol);
ebfa2275 1161}