Line data Source code
1 : /*
2 : * EAP-WSC peer for Wi-Fi Protected Setup
3 : * Copyright (c) 2007-2009, 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 "uuid.h"
13 : #include "eap_i.h"
14 : #include "eap_common/eap_wsc_common.h"
15 : #include "wps/wps.h"
16 : #include "wps/wps_defs.h"
17 :
18 :
19 : struct eap_wsc_data {
20 : enum { WAIT_START, MESG, FRAG_ACK, WAIT_FRAG_ACK, DONE, FAIL } state;
21 : int registrar;
22 : struct wpabuf *in_buf;
23 : struct wpabuf *out_buf;
24 : enum wsc_op_code in_op_code, out_op_code;
25 : size_t out_used;
26 : size_t fragment_size;
27 : struct wps_data *wps;
28 : struct wps_context *wps_ctx;
29 : };
30 :
31 :
32 7642 : static const char * eap_wsc_state_txt(int state)
33 : {
34 7642 : switch (state) {
35 : case WAIT_START:
36 237 : return "WAIT_START";
37 : case MESG:
38 7016 : return "MESG";
39 : case FRAG_ACK:
40 0 : return "FRAG_ACK";
41 : case WAIT_FRAG_ACK:
42 86 : return "WAIT_FRAG_ACK";
43 : case DONE:
44 0 : return "DONE";
45 : case FAIL:
46 303 : return "FAIL";
47 : default:
48 0 : return "?";
49 : }
50 : }
51 :
52 :
53 3821 : static void eap_wsc_state(struct eap_wsc_data *data, int state)
54 : {
55 7642 : wpa_printf(MSG_DEBUG, "EAP-WSC: %s -> %s",
56 3821 : eap_wsc_state_txt(data->state),
57 : eap_wsc_state_txt(state));
58 3821 : data->state = state;
59 3821 : }
60 :
61 :
62 279 : static int eap_wsc_new_ap_settings(struct wps_credential *cred,
63 : const char *params)
64 : {
65 : const char *pos, *end;
66 : size_t len;
67 :
68 279 : os_memset(cred, 0, sizeof(*cred));
69 :
70 279 : pos = os_strstr(params, "new_ssid=");
71 279 : if (pos == NULL)
72 263 : return 0;
73 16 : pos += 9;
74 16 : end = os_strchr(pos, ' ');
75 16 : if (end == NULL)
76 0 : len = os_strlen(pos);
77 : else
78 16 : len = end - pos;
79 32 : if ((len & 1) || len > 2 * sizeof(cred->ssid) ||
80 16 : hexstr2bin(pos, cred->ssid, len / 2)) {
81 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Invalid new_ssid");
82 0 : return -1;
83 : }
84 16 : cred->ssid_len = len / 2;
85 :
86 16 : pos = os_strstr(params, "new_auth=");
87 16 : if (pos == NULL) {
88 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Missing new_auth");
89 0 : return -1;
90 : }
91 16 : if (os_strncmp(pos + 9, "OPEN", 4) == 0)
92 2 : cred->auth_type = WPS_AUTH_OPEN;
93 14 : else if (os_strncmp(pos + 9, "WPAPSK", 6) == 0)
94 1 : cred->auth_type = WPS_AUTH_WPAPSK;
95 13 : else if (os_strncmp(pos + 9, "WPA2PSK", 7) == 0)
96 13 : cred->auth_type = WPS_AUTH_WPA2PSK;
97 : else {
98 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Unknown new_auth");
99 0 : return -1;
100 : }
101 :
102 16 : pos = os_strstr(params, "new_encr=");
103 16 : if (pos == NULL) {
104 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Missing new_encr");
105 0 : return -1;
106 : }
107 16 : if (os_strncmp(pos + 9, "NONE", 4) == 0)
108 1 : cred->encr_type = WPS_ENCR_NONE;
109 : #ifdef CONFIG_TESTING_OPTIONS
110 15 : else if (os_strncmp(pos + 9, "WEP", 3) == 0)
111 1 : cred->encr_type = WPS_ENCR_WEP;
112 : #endif /* CONFIG_TESTING_OPTIONS */
113 14 : else if (os_strncmp(pos + 9, "TKIP", 4) == 0)
114 1 : cred->encr_type = WPS_ENCR_TKIP;
115 13 : else if (os_strncmp(pos + 9, "CCMP", 4) == 0)
116 13 : cred->encr_type = WPS_ENCR_AES;
117 : else {
118 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Unknown new_encr");
119 0 : return -1;
120 : }
121 :
122 16 : pos = os_strstr(params, "new_key=");
123 16 : if (pos == NULL)
124 0 : return 0;
125 16 : pos += 8;
126 16 : end = os_strchr(pos, ' ');
127 16 : if (end == NULL)
128 16 : len = os_strlen(pos);
129 : else
130 0 : len = end - pos;
131 32 : if ((len & 1) || len > 2 * sizeof(cred->key) ||
132 16 : hexstr2bin(pos, cred->key, len / 2)) {
133 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Invalid new_key");
134 0 : return -1;
135 : }
136 16 : cred->key_len = len / 2;
137 :
138 16 : return 1;
139 : }
140 :
141 :
142 279 : static void * eap_wsc_init(struct eap_sm *sm)
143 : {
144 : struct eap_wsc_data *data;
145 : const u8 *identity;
146 : size_t identity_len;
147 : int registrar;
148 : struct wps_config cfg;
149 : const char *pos, *end;
150 : const char *phase1;
151 : struct wps_context *wps;
152 : struct wps_credential new_ap_settings;
153 : int res;
154 279 : int nfc = 0;
155 : u8 pkhash[WPS_OOB_PUBKEY_HASH_LEN];
156 :
157 279 : wps = sm->wps;
158 279 : if (wps == NULL) {
159 0 : wpa_printf(MSG_ERROR, "EAP-WSC: WPS context not available");
160 0 : return NULL;
161 : }
162 :
163 279 : identity = eap_get_config_identity(sm, &identity_len);
164 :
165 321 : if (identity && identity_len == WSC_ID_REGISTRAR_LEN &&
166 42 : os_memcmp(identity, WSC_ID_REGISTRAR, WSC_ID_REGISTRAR_LEN) == 0)
167 42 : registrar = 1; /* Supplicant is Registrar */
168 474 : else if (identity && identity_len == WSC_ID_ENROLLEE_LEN &&
169 237 : os_memcmp(identity, WSC_ID_ENROLLEE, WSC_ID_ENROLLEE_LEN) == 0)
170 237 : registrar = 0; /* Supplicant is Enrollee */
171 : else {
172 0 : wpa_hexdump_ascii(MSG_INFO, "EAP-WSC: Unexpected identity",
173 : identity, identity_len);
174 0 : return NULL;
175 : }
176 :
177 279 : data = os_zalloc(sizeof(*data));
178 279 : if (data == NULL)
179 0 : return NULL;
180 279 : data->state = registrar ? MESG : WAIT_START;
181 279 : data->registrar = registrar;
182 279 : data->wps_ctx = wps;
183 :
184 279 : os_memset(&cfg, 0, sizeof(cfg));
185 279 : cfg.wps = wps;
186 279 : cfg.registrar = registrar;
187 :
188 279 : phase1 = eap_get_config_phase1(sm);
189 279 : if (phase1 == NULL) {
190 0 : wpa_printf(MSG_INFO, "EAP-WSC: phase1 configuration data not "
191 : "set");
192 0 : os_free(data);
193 0 : return NULL;
194 : }
195 :
196 279 : pos = os_strstr(phase1, "pin=");
197 279 : if (pos) {
198 209 : pos += 4;
199 209 : cfg.pin = (const u8 *) pos;
200 2752 : while (*pos != '\0' && *pos != ' ')
201 2334 : pos++;
202 209 : cfg.pin_len = pos - (const char *) cfg.pin;
203 210 : if (cfg.pin_len == 6 &&
204 1 : os_strncmp((const char *) cfg.pin, "nfc-pw", 6) == 0) {
205 1 : cfg.pin = NULL;
206 1 : cfg.pin_len = 0;
207 1 : nfc = 1;
208 : }
209 : } else {
210 70 : pos = os_strstr(phase1, "pbc=1");
211 70 : if (pos)
212 53 : cfg.pbc = 1;
213 : }
214 :
215 279 : pos = os_strstr(phase1, "dev_pw_id=");
216 279 : if (pos) {
217 184 : u16 id = atoi(pos + 10);
218 184 : if (id == DEV_PW_NFC_CONNECTION_HANDOVER)
219 17 : nfc = 1;
220 184 : if (cfg.pin || id == DEV_PW_NFC_CONNECTION_HANDOVER)
221 184 : cfg.dev_pw_id = id;
222 : }
223 :
224 279 : if (cfg.pin == NULL && !cfg.pbc && !nfc) {
225 0 : wpa_printf(MSG_INFO, "EAP-WSC: PIN or PBC not set in phase1 "
226 : "configuration data");
227 0 : os_free(data);
228 0 : return NULL;
229 : }
230 :
231 279 : pos = os_strstr(phase1, " pkhash=");
232 279 : if (pos) {
233 : size_t len;
234 17 : pos += 8;
235 17 : end = os_strchr(pos, ' ');
236 17 : if (end)
237 0 : len = end - pos;
238 : else
239 17 : len = os_strlen(pos);
240 34 : if (len != 2 * WPS_OOB_PUBKEY_HASH_LEN ||
241 17 : hexstr2bin(pos, pkhash, WPS_OOB_PUBKEY_HASH_LEN)) {
242 0 : wpa_printf(MSG_INFO, "EAP-WSC: Invalid pkhash");
243 0 : os_free(data);
244 0 : return NULL;
245 : }
246 17 : cfg.peer_pubkey_hash = pkhash;
247 : }
248 :
249 279 : res = eap_wsc_new_ap_settings(&new_ap_settings, phase1);
250 279 : if (res < 0) {
251 0 : os_free(data);
252 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Failed to parse new AP "
253 : "settings");
254 0 : return NULL;
255 : }
256 279 : if (res == 1) {
257 16 : wpa_printf(MSG_DEBUG, "EAP-WSC: Provide new AP settings for "
258 : "WPS");
259 16 : cfg.new_ap_settings = &new_ap_settings;
260 : }
261 :
262 279 : data->wps = wps_init(&cfg);
263 279 : if (data->wps == NULL) {
264 0 : os_free(data);
265 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: wps_init failed");
266 0 : return NULL;
267 : }
268 279 : res = eap_get_config_fragment_size(sm);
269 279 : if (res > 0)
270 279 : data->fragment_size = res;
271 : else
272 0 : data->fragment_size = WSC_FRAGMENT_SIZE;
273 279 : wpa_printf(MSG_DEBUG, "EAP-WSC: Fragment size limit %u",
274 279 : (unsigned int) data->fragment_size);
275 :
276 279 : if (registrar && cfg.pin) {
277 41 : wps_registrar_add_pin(data->wps_ctx->registrar, NULL, NULL,
278 : cfg.pin, cfg.pin_len, 0);
279 : }
280 :
281 : /* Use reduced client timeout for WPS to avoid long wait */
282 279 : if (sm->ClientTimeout > 30)
283 279 : sm->ClientTimeout = 30;
284 :
285 279 : return data;
286 : }
287 :
288 :
289 279 : static void eap_wsc_deinit(struct eap_sm *sm, void *priv)
290 : {
291 279 : struct eap_wsc_data *data = priv;
292 279 : wpabuf_free(data->in_buf);
293 279 : wpabuf_free(data->out_buf);
294 279 : wps_deinit(data->wps);
295 279 : os_free(data->wps_ctx->network_key);
296 279 : data->wps_ctx->network_key = NULL;
297 279 : os_free(data);
298 279 : }
299 :
300 :
301 1288 : static struct wpabuf * eap_wsc_build_msg(struct eap_wsc_data *data,
302 : struct eap_method_ret *ret, u8 id)
303 : {
304 : struct wpabuf *resp;
305 : u8 flags;
306 : size_t send_len, plen;
307 :
308 1288 : ret->ignore = FALSE;
309 1288 : wpa_printf(MSG_DEBUG, "EAP-WSC: Generating Response");
310 1288 : ret->allowNotifications = TRUE;
311 :
312 1288 : flags = 0;
313 1288 : send_len = wpabuf_len(data->out_buf) - data->out_used;
314 1288 : if (2 + send_len > data->fragment_size) {
315 43 : send_len = data->fragment_size - 2;
316 43 : flags |= WSC_FLAGS_MF;
317 43 : if (data->out_used == 0) {
318 14 : flags |= WSC_FLAGS_LF;
319 14 : send_len -= 2;
320 : }
321 : }
322 1288 : plen = 2 + send_len;
323 1288 : if (flags & WSC_FLAGS_LF)
324 14 : plen += 2;
325 1288 : resp = eap_msg_alloc(EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC, plen,
326 : EAP_CODE_RESPONSE, id);
327 1288 : if (resp == NULL)
328 0 : return NULL;
329 :
330 1288 : wpabuf_put_u8(resp, data->out_op_code); /* Op-Code */
331 1288 : wpabuf_put_u8(resp, flags); /* Flags */
332 1288 : if (flags & WSC_FLAGS_LF)
333 14 : wpabuf_put_be16(resp, wpabuf_len(data->out_buf));
334 :
335 1288 : wpabuf_put_data(resp, wpabuf_head_u8(data->out_buf) + data->out_used,
336 : send_len);
337 1288 : data->out_used += send_len;
338 :
339 1288 : ret->methodState = METHOD_MAY_CONT;
340 1288 : ret->decision = DECISION_FAIL;
341 :
342 1288 : if (data->out_used == wpabuf_len(data->out_buf)) {
343 1245 : wpa_printf(MSG_DEBUG, "EAP-WSC: Sending out %lu bytes "
344 : "(message sent completely)",
345 : (unsigned long) send_len);
346 1245 : wpabuf_free(data->out_buf);
347 1245 : data->out_buf = NULL;
348 1245 : data->out_used = 0;
349 2490 : if ((data->state == FAIL && data->out_op_code == WSC_ACK) ||
350 2446 : data->out_op_code == WSC_NACK ||
351 1201 : data->out_op_code == WSC_Done) {
352 257 : eap_wsc_state(data, FAIL);
353 257 : ret->methodState = METHOD_DONE;
354 : } else
355 988 : eap_wsc_state(data, MESG);
356 : } else {
357 43 : wpa_printf(MSG_DEBUG, "EAP-WSC: Sending out %lu bytes "
358 : "(%lu more to send)", (unsigned long) send_len,
359 43 : (unsigned long) wpabuf_len(data->out_buf) -
360 43 : data->out_used);
361 43 : eap_wsc_state(data, WAIT_FRAG_ACK);
362 : }
363 :
364 1288 : return resp;
365 : }
366 :
367 :
368 46 : static int eap_wsc_process_cont(struct eap_wsc_data *data,
369 : const u8 *buf, size_t len, u8 op_code)
370 : {
371 : /* Process continuation of a pending message */
372 46 : if (op_code != data->in_op_code) {
373 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d in "
374 : "fragment (expected %d)",
375 0 : op_code, data->in_op_code);
376 0 : return -1;
377 : }
378 :
379 46 : if (len > wpabuf_tailroom(data->in_buf)) {
380 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Fragment overflow");
381 0 : eap_wsc_state(data, FAIL);
382 0 : return -1;
383 : }
384 :
385 46 : wpabuf_put_data(data->in_buf, buf, len);
386 46 : wpa_printf(MSG_DEBUG, "EAP-WSC: Received %lu bytes, waiting "
387 : "for %lu bytes more", (unsigned long) len,
388 46 : (unsigned long) wpabuf_tailroom(data->in_buf));
389 :
390 46 : return 0;
391 : }
392 :
393 :
394 46 : static struct wpabuf * eap_wsc_process_fragment(struct eap_wsc_data *data,
395 : struct eap_method_ret *ret,
396 : u8 id, u8 flags, u8 op_code,
397 : u16 message_length,
398 : const u8 *buf, size_t len)
399 : {
400 : /* Process a fragment that is not the last one of the message */
401 46 : if (data->in_buf == NULL && !(flags & WSC_FLAGS_LF)) {
402 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: No Message Length field in a "
403 : "fragmented packet");
404 0 : ret->ignore = TRUE;
405 0 : return NULL;
406 : }
407 :
408 46 : if (data->in_buf == NULL) {
409 : /* First fragment of the message */
410 12 : data->in_buf = wpabuf_alloc(message_length);
411 12 : if (data->in_buf == NULL) {
412 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: No memory for "
413 : "message");
414 0 : ret->ignore = TRUE;
415 0 : return NULL;
416 : }
417 12 : data->in_op_code = op_code;
418 12 : wpabuf_put_data(data->in_buf, buf, len);
419 12 : wpa_printf(MSG_DEBUG, "EAP-WSC: Received %lu bytes in first "
420 : "fragment, waiting for %lu bytes more",
421 : (unsigned long) len,
422 12 : (unsigned long) wpabuf_tailroom(data->in_buf));
423 : }
424 :
425 46 : return eap_wsc_build_frag_ack(id, EAP_CODE_RESPONSE);
426 : }
427 :
428 :
429 1334 : static struct wpabuf * eap_wsc_process(struct eap_sm *sm, void *priv,
430 : struct eap_method_ret *ret,
431 : const struct wpabuf *reqData)
432 : {
433 1334 : struct eap_wsc_data *data = priv;
434 : const u8 *start, *pos, *end;
435 : size_t len;
436 : u8 op_code, flags, id;
437 1334 : u16 message_length = 0;
438 : enum wps_process_res res;
439 : struct wpabuf tmpbuf;
440 : struct wpabuf *r;
441 :
442 1334 : pos = eap_hdr_validate(EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC, reqData,
443 : &len);
444 1334 : if (pos == NULL || len < 2) {
445 0 : ret->ignore = TRUE;
446 0 : return NULL;
447 : }
448 :
449 1334 : id = eap_get_id(reqData);
450 :
451 1334 : start = pos;
452 1334 : end = start + len;
453 :
454 1334 : op_code = *pos++;
455 1334 : flags = *pos++;
456 1334 : if (flags & WSC_FLAGS_LF) {
457 12 : if (end - pos < 2) {
458 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Message underflow");
459 0 : ret->ignore = TRUE;
460 0 : return NULL;
461 : }
462 12 : message_length = WPA_GET_BE16(pos);
463 12 : pos += 2;
464 :
465 12 : if (message_length < end - pos || message_length > 50000) {
466 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Invalid Message "
467 : "Length");
468 0 : ret->ignore = TRUE;
469 0 : return NULL;
470 : }
471 : }
472 :
473 1334 : wpa_printf(MSG_DEBUG, "EAP-WSC: Received packet: Op-Code %d "
474 : "Flags 0x%x Message Length %d",
475 : op_code, flags, message_length);
476 :
477 1334 : if (data->state == WAIT_FRAG_ACK) {
478 43 : if (op_code != WSC_FRAG_ACK) {
479 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d "
480 : "in WAIT_FRAG_ACK state", op_code);
481 0 : ret->ignore = TRUE;
482 0 : return NULL;
483 : }
484 43 : wpa_printf(MSG_DEBUG, "EAP-WSC: Fragment acknowledged");
485 43 : eap_wsc_state(data, MESG);
486 43 : return eap_wsc_build_msg(data, ret, id);
487 : }
488 :
489 1291 : if (op_code != WSC_ACK && op_code != WSC_NACK && op_code != WSC_MSG &&
490 237 : op_code != WSC_Done && op_code != WSC_Start) {
491 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d",
492 : op_code);
493 0 : ret->ignore = TRUE;
494 0 : return NULL;
495 : }
496 :
497 1291 : if (data->state == WAIT_START) {
498 237 : if (op_code != WSC_Start) {
499 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d "
500 : "in WAIT_START state", op_code);
501 0 : ret->ignore = TRUE;
502 0 : return NULL;
503 : }
504 237 : wpa_printf(MSG_DEBUG, "EAP-WSC: Received start");
505 237 : eap_wsc_state(data, MESG);
506 : /* Start message has empty payload, skip processing */
507 237 : goto send_msg;
508 1054 : } else if (op_code == WSC_Start) {
509 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d",
510 : op_code);
511 0 : ret->ignore = TRUE;
512 0 : return NULL;
513 : }
514 :
515 1100 : if (data->in_buf &&
516 46 : eap_wsc_process_cont(data, pos, end - pos, op_code) < 0) {
517 0 : ret->ignore = TRUE;
518 0 : return NULL;
519 : }
520 :
521 1054 : if (flags & WSC_FLAGS_MF) {
522 46 : return eap_wsc_process_fragment(data, ret, id, flags, op_code,
523 : message_length, pos,
524 46 : end - pos);
525 : }
526 :
527 1008 : if (data->in_buf == NULL) {
528 : /* Wrap unfragmented messages as wpabuf without extra copy */
529 996 : wpabuf_set(&tmpbuf, pos, end - pos);
530 996 : data->in_buf = &tmpbuf;
531 : }
532 :
533 1008 : res = wps_process_msg(data->wps, op_code, data->in_buf);
534 1008 : switch (res) {
535 : case WPS_DONE:
536 6 : wpa_printf(MSG_DEBUG, "EAP-WSC: WPS processing completed "
537 : "successfully - wait for EAP failure");
538 6 : eap_wsc_state(data, FAIL);
539 6 : break;
540 : case WPS_CONTINUE:
541 985 : eap_wsc_state(data, MESG);
542 985 : break;
543 : case WPS_FAILURE:
544 : case WPS_PENDING:
545 17 : wpa_printf(MSG_DEBUG, "EAP-WSC: WPS processing failed");
546 17 : eap_wsc_state(data, FAIL);
547 17 : break;
548 : }
549 :
550 1008 : if (data->in_buf != &tmpbuf)
551 12 : wpabuf_free(data->in_buf);
552 1008 : data->in_buf = NULL;
553 :
554 : send_msg:
555 1245 : if (data->out_buf == NULL) {
556 1245 : data->out_buf = wps_get_msg(data->wps, &data->out_op_code);
557 1245 : if (data->out_buf == NULL) {
558 0 : wpa_printf(MSG_DEBUG, "EAP-WSC: Failed to receive "
559 : "message from WPS");
560 0 : return NULL;
561 : }
562 1245 : data->out_used = 0;
563 : }
564 :
565 1245 : eap_wsc_state(data, MESG);
566 1245 : r = eap_wsc_build_msg(data, ret, id);
567 1245 : if (data->state == FAIL && ret->methodState == METHOD_DONE) {
568 : /* Use reduced client timeout for WPS to avoid long wait */
569 254 : if (sm->ClientTimeout > 2)
570 254 : sm->ClientTimeout = 2;
571 : }
572 1245 : return r;
573 : }
574 :
575 :
576 30 : int eap_peer_wsc_register(void)
577 : {
578 : struct eap_method *eap;
579 : int ret;
580 :
581 30 : eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
582 : EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC,
583 : "WSC");
584 30 : if (eap == NULL)
585 0 : return -1;
586 :
587 30 : eap->init = eap_wsc_init;
588 30 : eap->deinit = eap_wsc_deinit;
589 30 : eap->process = eap_wsc_process;
590 :
591 30 : ret = eap_peer_method_register(eap);
592 30 : if (ret)
593 0 : eap_peer_method_free(eap);
594 30 : return ret;
595 : }
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