1 /*
2 * TLS interface functions and an internal TLS implementation
3 * Copyright (c) 2004-2011, 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 * This file interface functions for hostapd/wpa_supplicant to use the
9 * integrated TLSv1 implementation.
10 */
11
12 #include "includes.h"
13
14 #include "common.h"
15 #include "tls.h"
16 #include "tls/tlsv1_client.h"
17 #include "tls/tlsv1_server.h"
18
19
20 static int tls_ref_count = 0;
21
22 struct tls_global {
23 int server;
24 struct tlsv1_credentials *server_cred;
25 int check_crl;
26
27 void (*event_cb)(void *ctx, enum tls_event ev,
28 union tls_event_data *data);
29 void *cb_ctx;
30 int cert_in_cb;
31 };
32
33 struct tls_connection {
34 struct tlsv1_client *client;
35 struct tlsv1_server *server;
36 struct tls_global *global;
37 };
38
39
tls_init(const struct tls_config * conf)40 void * tls_init(const struct tls_config *conf)
41 {
42 struct tls_global *global;
43
44 if (tls_ref_count == 0) {
45 #ifdef CONFIG_TLS_INTERNAL_CLIENT
46 if (tlsv1_client_global_init())
47 return NULL;
48 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
49 #ifdef CONFIG_TLS_INTERNAL_SERVER
50 if (tlsv1_server_global_init())
51 return NULL;
52 #endif /* CONFIG_TLS_INTERNAL_SERVER */
53 }
54 tls_ref_count++;
55
56 global = os_zalloc(sizeof(*global));
57 if (global == NULL)
58 return NULL;
59 if (conf) {
60 global->event_cb = conf->event_cb;
61 global->cb_ctx = conf->cb_ctx;
62 global->cert_in_cb = conf->cert_in_cb;
63 }
64
65 return global;
66 }
67
tls_deinit(void * ssl_ctx)68 void tls_deinit(void *ssl_ctx)
69 {
70 struct tls_global *global = ssl_ctx;
71 tls_ref_count--;
72 if (tls_ref_count == 0) {
73 #ifdef CONFIG_TLS_INTERNAL_CLIENT
74 tlsv1_client_global_deinit();
75 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
76 #ifdef CONFIG_TLS_INTERNAL_SERVER
77 tlsv1_server_global_deinit();
78 #endif /* CONFIG_TLS_INTERNAL_SERVER */
79 }
80 #ifdef CONFIG_TLS_INTERNAL_SERVER
81 tlsv1_cred_free(global->server_cred);
82 #endif /* CONFIG_TLS_INTERNAL_SERVER */
83 os_free(global);
84 }
85
86
tls_get_errors(void * tls_ctx)87 int tls_get_errors(void *tls_ctx)
88 {
89 return 0;
90 }
91
92
tls_connection_init(void * tls_ctx)93 struct tls_connection * tls_connection_init(void *tls_ctx)
94 {
95 struct tls_connection *conn;
96 struct tls_global *global = tls_ctx;
97
98 conn = os_zalloc(sizeof(*conn));
99 if (conn == NULL)
100 return NULL;
101 conn->global = global;
102
103 #ifdef CONFIG_TLS_INTERNAL_CLIENT
104 if (!global->server) {
105 conn->client = tlsv1_client_init();
106 if (conn->client == NULL) {
107 os_free(conn);
108 return NULL;
109 }
110 tlsv1_client_set_cb(conn->client, global->event_cb,
111 global->cb_ctx, global->cert_in_cb);
112 }
113 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
114 #ifdef CONFIG_TLS_INTERNAL_SERVER
115 if (global->server) {
116 conn->server = tlsv1_server_init(global->server_cred);
117 if (conn->server == NULL) {
118 os_free(conn);
119 return NULL;
120 }
121 }
122 #endif /* CONFIG_TLS_INTERNAL_SERVER */
123
124 return conn;
125 }
126
127
128 #ifdef CONFIG_TESTING_OPTIONS
129 #ifdef CONFIG_TLS_INTERNAL_SERVER
tls_connection_set_test_flags(struct tls_connection * conn,u32 flags)130 void tls_connection_set_test_flags(struct tls_connection *conn, u32 flags)
131 {
132 if (conn->server)
133 tlsv1_server_set_test_flags(conn->server, flags);
134 }
135 #endif /* CONFIG_TLS_INTERNAL_SERVER */
136 #endif /* CONFIG_TESTING_OPTIONS */
137
138
tls_connection_set_log_cb(struct tls_connection * conn,void (* log_cb)(void * ctx,const char * msg),void * ctx)139 void tls_connection_set_log_cb(struct tls_connection *conn,
140 void (*log_cb)(void *ctx, const char *msg),
141 void *ctx)
142 {
143 #ifdef CONFIG_TLS_INTERNAL_SERVER
144 if (conn->server)
145 tlsv1_server_set_log_cb(conn->server, log_cb, ctx);
146 #endif /* CONFIG_TLS_INTERNAL_SERVER */
147 }
148
149
tls_connection_deinit(void * tls_ctx,struct tls_connection * conn)150 void tls_connection_deinit(void *tls_ctx, struct tls_connection *conn)
151 {
152 if (conn == NULL)
153 return;
154 #ifdef CONFIG_TLS_INTERNAL_CLIENT
155 if (conn->client)
156 tlsv1_client_deinit(conn->client);
157 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
158 #ifdef CONFIG_TLS_INTERNAL_SERVER
159 if (conn->server)
160 tlsv1_server_deinit(conn->server);
161 #endif /* CONFIG_TLS_INTERNAL_SERVER */
162 os_free(conn);
163 }
164
165
tls_connection_established(void * tls_ctx,struct tls_connection * conn)166 int tls_connection_established(void *tls_ctx, struct tls_connection *conn)
167 {
168 #ifdef CONFIG_TLS_INTERNAL_CLIENT
169 if (conn->client)
170 return tlsv1_client_established(conn->client);
171 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
172 #ifdef CONFIG_TLS_INTERNAL_SERVER
173 if (conn->server)
174 return tlsv1_server_established(conn->server);
175 #endif /* CONFIG_TLS_INTERNAL_SERVER */
176 return 0;
177 }
178
179
tls_connection_shutdown(void * tls_ctx,struct tls_connection * conn)180 int tls_connection_shutdown(void *tls_ctx, struct tls_connection *conn)
181 {
182 #ifdef CONFIG_TLS_INTERNAL_CLIENT
183 if (conn->client)
184 return tlsv1_client_shutdown(conn->client);
185 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
186 #ifdef CONFIG_TLS_INTERNAL_SERVER
187 if (conn->server)
188 return tlsv1_server_shutdown(conn->server);
189 #endif /* CONFIG_TLS_INTERNAL_SERVER */
190 return -1;
191 }
192
193
tls_connection_set_params(void * tls_ctx,struct tls_connection * conn,const struct tls_connection_params * params)194 int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
195 const struct tls_connection_params *params)
196 {
197 #ifdef CONFIG_TLS_INTERNAL_CLIENT
198 struct tlsv1_credentials *cred;
199
200 if (conn->client == NULL)
201 return -1;
202
203 if (params->flags & TLS_CONN_EXT_CERT_CHECK) {
204 wpa_printf(MSG_INFO,
205 "TLS: tls_ext_cert_check=1 not supported");
206 return -1;
207 }
208
209 cred = tlsv1_cred_alloc();
210 if (cred == NULL)
211 return -1;
212
213 if (params->subject_match) {
214 wpa_printf(MSG_INFO, "TLS: subject_match not supported");
215 tlsv1_cred_free(cred);
216 return -1;
217 }
218
219 if (params->altsubject_match) {
220 wpa_printf(MSG_INFO, "TLS: altsubject_match not supported");
221 tlsv1_cred_free(cred);
222 return -1;
223 }
224
225 if (params->suffix_match) {
226 wpa_printf(MSG_INFO, "TLS: suffix_match not supported");
227 tlsv1_cred_free(cred);
228 return -1;
229 }
230
231 if (params->domain_match) {
232 wpa_printf(MSG_INFO, "TLS: domain_match not supported");
233 tlsv1_cred_free(cred);
234 return -1;
235 }
236
237 if (params->openssl_ciphers) {
238 wpa_printf(MSG_INFO, "TLS: openssl_ciphers not supported");
239 tlsv1_cred_free(cred);
240 return -1;
241 }
242
243 if (tlsv1_set_ca_cert(cred, params->ca_cert,
244 params->ca_cert_blob, params->ca_cert_blob_len,
245 params->ca_path)) {
246 wpa_printf(MSG_INFO, "TLS: Failed to configure trusted CA "
247 "certificates");
248 tlsv1_cred_free(cred);
249 return -1;
250 }
251
252 if (tlsv1_set_cert(cred, params->client_cert,
253 params->client_cert_blob,
254 params->client_cert_blob_len)) {
255 wpa_printf(MSG_INFO, "TLS: Failed to configure client "
256 "certificate");
257 tlsv1_cred_free(cred);
258 return -1;
259 }
260
261 if (tlsv1_set_private_key(cred, params->private_key,
262 params->private_key_passwd,
263 params->private_key_blob,
264 params->private_key_blob_len)) {
265 wpa_printf(MSG_INFO, "TLS: Failed to load private key");
266 tlsv1_cred_free(cred);
267 return -1;
268 }
269
270 if (tlsv1_set_dhparams(cred, params->dh_file, params->dh_blob,
271 params->dh_blob_len)) {
272 wpa_printf(MSG_INFO, "TLS: Failed to load DH parameters");
273 tlsv1_cred_free(cred);
274 return -1;
275 }
276
277 if (tlsv1_client_set_cred(conn->client, cred) < 0) {
278 tlsv1_cred_free(cred);
279 return -1;
280 }
281
282 tlsv1_client_set_flags(conn->client, params->flags);
283
284 return 0;
285 #else /* CONFIG_TLS_INTERNAL_CLIENT */
286 return -1;
287 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
288 }
289
290
tls_global_set_params(void * tls_ctx,const struct tls_connection_params * params)291 int tls_global_set_params(void *tls_ctx,
292 const struct tls_connection_params *params)
293 {
294 #ifdef CONFIG_TLS_INTERNAL_SERVER
295 struct tls_global *global = tls_ctx;
296 struct tlsv1_credentials *cred;
297
298 /* Currently, global parameters are only set when running in server
299 * mode. */
300 global->server = 1;
301 tlsv1_cred_free(global->server_cred);
302 global->server_cred = cred = tlsv1_cred_alloc();
303 if (cred == NULL)
304 return -1;
305
306 if (tlsv1_set_ca_cert(cred, params->ca_cert, params->ca_cert_blob,
307 params->ca_cert_blob_len, params->ca_path)) {
308 wpa_printf(MSG_INFO, "TLS: Failed to configure trusted CA "
309 "certificates");
310 return -1;
311 }
312
313 if (tlsv1_set_cert(cred, params->client_cert, params->client_cert_blob,
314 params->client_cert_blob_len)) {
315 wpa_printf(MSG_INFO, "TLS: Failed to configure server "
316 "certificate");
317 return -1;
318 }
319
320 if (tlsv1_set_private_key(cred, params->private_key,
321 params->private_key_passwd,
322 params->private_key_blob,
323 params->private_key_blob_len)) {
324 wpa_printf(MSG_INFO, "TLS: Failed to load private key");
325 return -1;
326 }
327
328 if (tlsv1_set_dhparams(cred, params->dh_file, params->dh_blob,
329 params->dh_blob_len)) {
330 wpa_printf(MSG_INFO, "TLS: Failed to load DH parameters");
331 return -1;
332 }
333
334 if (params->ocsp_stapling_response)
335 cred->ocsp_stapling_response =
336 os_strdup(params->ocsp_stapling_response);
337 if (params->ocsp_stapling_response_multi)
338 cred->ocsp_stapling_response_multi =
339 os_strdup(params->ocsp_stapling_response_multi);
340
341 return 0;
342 #else /* CONFIG_TLS_INTERNAL_SERVER */
343 return -1;
344 #endif /* CONFIG_TLS_INTERNAL_SERVER */
345 }
346
347
tls_global_set_verify(void * tls_ctx,int check_crl)348 int tls_global_set_verify(void *tls_ctx, int check_crl)
349 {
350 struct tls_global *global = tls_ctx;
351 global->check_crl = check_crl;
352 return 0;
353 }
354
355
tls_connection_set_verify(void * tls_ctx,struct tls_connection * conn,int verify_peer,unsigned int flags,const u8 * session_ctx,size_t session_ctx_len)356 int tls_connection_set_verify(void *tls_ctx, struct tls_connection *conn,
357 int verify_peer, unsigned int flags,
358 const u8 *session_ctx, size_t session_ctx_len)
359 {
360 #ifdef CONFIG_TLS_INTERNAL_SERVER
361 if (conn->server)
362 return tlsv1_server_set_verify(conn->server, verify_peer);
363 #endif /* CONFIG_TLS_INTERNAL_SERVER */
364 return -1;
365 }
366
367
tls_connection_get_random(void * tls_ctx,struct tls_connection * conn,struct tls_random * data)368 int tls_connection_get_random(void *tls_ctx, struct tls_connection *conn,
369 struct tls_random *data)
370 {
371 #ifdef CONFIG_TLS_INTERNAL_CLIENT
372 if (conn->client)
373 return tlsv1_client_get_random(conn->client, data);
374 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
375 #ifdef CONFIG_TLS_INTERNAL_SERVER
376 if (conn->server)
377 return tlsv1_server_get_random(conn->server, data);
378 #endif /* CONFIG_TLS_INTERNAL_SERVER */
379 return -1;
380 }
381
382
tls_get_keyblock_size(struct tls_connection * conn)383 static int tls_get_keyblock_size(struct tls_connection *conn)
384 {
385 #ifdef CONFIG_TLS_INTERNAL_CLIENT
386 if (conn->client)
387 return tlsv1_client_get_keyblock_size(conn->client);
388 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
389 #ifdef CONFIG_TLS_INTERNAL_SERVER
390 if (conn->server)
391 return tlsv1_server_get_keyblock_size(conn->server);
392 #endif /* CONFIG_TLS_INTERNAL_SERVER */
393 return -1;
394 }
395
396
tls_connection_prf(void * tls_ctx,struct tls_connection * conn,const char * label,int server_random_first,int skip_keyblock,u8 * out,size_t out_len)397 int tls_connection_prf(void *tls_ctx, struct tls_connection *conn,
398 const char *label, int server_random_first,
399 int skip_keyblock, u8 *out, size_t out_len)
400 {
401 int ret = -1, skip = 0;
402 u8 *tmp_out = NULL;
403 u8 *_out = out;
404
405 if (skip_keyblock) {
406 skip = tls_get_keyblock_size(conn);
407 if (skip < 0)
408 return -1;
409 tmp_out = os_malloc(skip + out_len);
410 if (!tmp_out)
411 return -1;
412 _out = tmp_out;
413 }
414
415 #ifdef CONFIG_TLS_INTERNAL_CLIENT
416 if (conn->client) {
417 ret = tlsv1_client_prf(conn->client, label,
418 server_random_first,
419 _out, skip + out_len);
420 }
421 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
422 #ifdef CONFIG_TLS_INTERNAL_SERVER
423 if (conn->server) {
424 ret = tlsv1_server_prf(conn->server, label,
425 server_random_first,
426 _out, skip + out_len);
427 }
428 #endif /* CONFIG_TLS_INTERNAL_SERVER */
429 if (ret == 0 && skip_keyblock)
430 os_memcpy(out, _out + skip, out_len);
431 bin_clear_free(tmp_out, skip);
432
433 return ret;
434 }
435
436
tls_connection_handshake(void * tls_ctx,struct tls_connection * conn,const struct wpabuf * in_data,struct wpabuf ** appl_data)437 struct wpabuf * tls_connection_handshake(void *tls_ctx,
438 struct tls_connection *conn,
439 const struct wpabuf *in_data,
440 struct wpabuf **appl_data)
441 {
442 return tls_connection_handshake2(tls_ctx, conn, in_data, appl_data,
443 NULL);
444 }
445
446
tls_connection_handshake2(void * tls_ctx,struct tls_connection * conn,const struct wpabuf * in_data,struct wpabuf ** appl_data,int * need_more_data)447 struct wpabuf * tls_connection_handshake2(void *tls_ctx,
448 struct tls_connection *conn,
449 const struct wpabuf *in_data,
450 struct wpabuf **appl_data,
451 int *need_more_data)
452 {
453 #ifdef CONFIG_TLS_INTERNAL_CLIENT
454 u8 *res, *ad;
455 size_t res_len, ad_len;
456 struct wpabuf *out;
457
458 if (conn->client == NULL)
459 return NULL;
460
461 ad = NULL;
462 res = tlsv1_client_handshake(conn->client,
463 in_data ? wpabuf_head(in_data) : NULL,
464 in_data ? wpabuf_len(in_data) : 0,
465 &res_len, &ad, &ad_len, need_more_data);
466 if (res == NULL)
467 return NULL;
468 out = wpabuf_alloc_ext_data(res, res_len);
469 if (out == NULL) {
470 os_free(res);
471 os_free(ad);
472 return NULL;
473 }
474 if (appl_data) {
475 if (ad) {
476 *appl_data = wpabuf_alloc_ext_data(ad, ad_len);
477 if (*appl_data == NULL)
478 os_free(ad);
479 } else
480 *appl_data = NULL;
481 } else
482 os_free(ad);
483
484 return out;
485 #else /* CONFIG_TLS_INTERNAL_CLIENT */
486 return NULL;
487 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
488 }
489
490
tls_connection_server_handshake(void * tls_ctx,struct tls_connection * conn,const struct wpabuf * in_data,struct wpabuf ** appl_data)491 struct wpabuf * tls_connection_server_handshake(void *tls_ctx,
492 struct tls_connection *conn,
493 const struct wpabuf *in_data,
494 struct wpabuf **appl_data)
495 {
496 #ifdef CONFIG_TLS_INTERNAL_SERVER
497 u8 *res;
498 size_t res_len;
499 struct wpabuf *out;
500
501 if (conn->server == NULL)
502 return NULL;
503
504 if (appl_data)
505 *appl_data = NULL;
506
507 res = tlsv1_server_handshake(conn->server, wpabuf_head(in_data),
508 wpabuf_len(in_data), &res_len);
509 if (res == NULL && tlsv1_server_established(conn->server))
510 return wpabuf_alloc(0);
511 if (res == NULL)
512 return NULL;
513 out = wpabuf_alloc_ext_data(res, res_len);
514 if (out == NULL) {
515 os_free(res);
516 return NULL;
517 }
518
519 return out;
520 #else /* CONFIG_TLS_INTERNAL_SERVER */
521 return NULL;
522 #endif /* CONFIG_TLS_INTERNAL_SERVER */
523 }
524
525
tls_connection_encrypt(void * tls_ctx,struct tls_connection * conn,const struct wpabuf * in_data)526 struct wpabuf * tls_connection_encrypt(void *tls_ctx,
527 struct tls_connection *conn,
528 const struct wpabuf *in_data)
529 {
530 #ifdef CONFIG_TLS_INTERNAL_CLIENT
531 if (conn->client) {
532 struct wpabuf *buf;
533 int res;
534 buf = wpabuf_alloc(wpabuf_len(in_data) + 300);
535 if (buf == NULL)
536 return NULL;
537 res = tlsv1_client_encrypt(conn->client, wpabuf_head(in_data),
538 wpabuf_len(in_data),
539 wpabuf_mhead(buf),
540 wpabuf_size(buf));
541 if (res < 0) {
542 wpabuf_free(buf);
543 return NULL;
544 }
545 wpabuf_put(buf, res);
546 return buf;
547 }
548 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
549 #ifdef CONFIG_TLS_INTERNAL_SERVER
550 if (conn->server) {
551 struct wpabuf *buf;
552 int res;
553 buf = wpabuf_alloc(wpabuf_len(in_data) + 300);
554 if (buf == NULL)
555 return NULL;
556 res = tlsv1_server_encrypt(conn->server, wpabuf_head(in_data),
557 wpabuf_len(in_data),
558 wpabuf_mhead(buf),
559 wpabuf_size(buf));
560 if (res < 0) {
561 wpabuf_free(buf);
562 return NULL;
563 }
564 wpabuf_put(buf, res);
565 return buf;
566 }
567 #endif /* CONFIG_TLS_INTERNAL_SERVER */
568 return NULL;
569 }
570
571
tls_connection_decrypt(void * tls_ctx,struct tls_connection * conn,const struct wpabuf * in_data)572 struct wpabuf * tls_connection_decrypt(void *tls_ctx,
573 struct tls_connection *conn,
574 const struct wpabuf *in_data)
575 {
576 return tls_connection_decrypt2(tls_ctx, conn, in_data, NULL);
577 }
578
579
tls_connection_decrypt2(void * tls_ctx,struct tls_connection * conn,const struct wpabuf * in_data,int * need_more_data)580 struct wpabuf * tls_connection_decrypt2(void *tls_ctx,
581 struct tls_connection *conn,
582 const struct wpabuf *in_data,
583 int *need_more_data)
584 {
585 if (need_more_data)
586 *need_more_data = 0;
587
588 #ifdef CONFIG_TLS_INTERNAL_CLIENT
589 if (conn->client) {
590 return tlsv1_client_decrypt(conn->client, wpabuf_head(in_data),
591 wpabuf_len(in_data),
592 need_more_data);
593 }
594 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
595 #ifdef CONFIG_TLS_INTERNAL_SERVER
596 if (conn->server) {
597 struct wpabuf *buf;
598 int res;
599 buf = wpabuf_alloc((wpabuf_len(in_data) + 500) * 3);
600 if (buf == NULL)
601 return NULL;
602 res = tlsv1_server_decrypt(conn->server, wpabuf_head(in_data),
603 wpabuf_len(in_data),
604 wpabuf_mhead(buf),
605 wpabuf_size(buf));
606 if (res < 0) {
607 wpabuf_free(buf);
608 return NULL;
609 }
610 wpabuf_put(buf, res);
611 return buf;
612 }
613 #endif /* CONFIG_TLS_INTERNAL_SERVER */
614 return NULL;
615 }
616
617
tls_connection_resumed(void * tls_ctx,struct tls_connection * conn)618 int tls_connection_resumed(void *tls_ctx, struct tls_connection *conn)
619 {
620 #ifdef CONFIG_TLS_INTERNAL_CLIENT
621 if (conn->client)
622 return tlsv1_client_resumed(conn->client);
623 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
624 #ifdef CONFIG_TLS_INTERNAL_SERVER
625 if (conn->server)
626 return tlsv1_server_resumed(conn->server);
627 #endif /* CONFIG_TLS_INTERNAL_SERVER */
628 return -1;
629 }
630
631
tls_connection_set_cipher_list(void * tls_ctx,struct tls_connection * conn,u8 * ciphers)632 int tls_connection_set_cipher_list(void *tls_ctx, struct tls_connection *conn,
633 u8 *ciphers)
634 {
635 #ifdef CONFIG_TLS_INTERNAL_CLIENT
636 if (conn->client)
637 return tlsv1_client_set_cipher_list(conn->client, ciphers);
638 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
639 #ifdef CONFIG_TLS_INTERNAL_SERVER
640 if (conn->server)
641 return tlsv1_server_set_cipher_list(conn->server, ciphers);
642 #endif /* CONFIG_TLS_INTERNAL_SERVER */
643 return -1;
644 }
645
646
tls_get_version(void * ssl_ctx,struct tls_connection * conn,char * buf,size_t buflen)647 int tls_get_version(void *ssl_ctx, struct tls_connection *conn,
648 char *buf, size_t buflen)
649 {
650 if (conn == NULL)
651 return -1;
652 #ifdef CONFIG_TLS_INTERNAL_CLIENT
653 if (conn->client)
654 return tlsv1_client_get_version(conn->client, buf, buflen);
655 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
656 return -1;
657 }
658
659
tls_get_cipher(void * tls_ctx,struct tls_connection * conn,char * buf,size_t buflen)660 int tls_get_cipher(void *tls_ctx, struct tls_connection *conn,
661 char *buf, size_t buflen)
662 {
663 if (conn == NULL)
664 return -1;
665 #ifdef CONFIG_TLS_INTERNAL_CLIENT
666 if (conn->client)
667 return tlsv1_client_get_cipher(conn->client, buf, buflen);
668 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
669 #ifdef CONFIG_TLS_INTERNAL_SERVER
670 if (conn->server)
671 return tlsv1_server_get_cipher(conn->server, buf, buflen);
672 #endif /* CONFIG_TLS_INTERNAL_SERVER */
673 return -1;
674 }
675
676
tls_connection_enable_workaround(void * tls_ctx,struct tls_connection * conn)677 int tls_connection_enable_workaround(void *tls_ctx,
678 struct tls_connection *conn)
679 {
680 return -1;
681 }
682
683
tls_connection_client_hello_ext(void * tls_ctx,struct tls_connection * conn,int ext_type,const u8 * data,size_t data_len)684 int tls_connection_client_hello_ext(void *tls_ctx, struct tls_connection *conn,
685 int ext_type, const u8 *data,
686 size_t data_len)
687 {
688 #ifdef CONFIG_TLS_INTERNAL_CLIENT
689 if (conn->client) {
690 return tlsv1_client_hello_ext(conn->client, ext_type,
691 data, data_len);
692 }
693 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
694 return -1;
695 }
696
697
tls_connection_get_failed(void * tls_ctx,struct tls_connection * conn)698 int tls_connection_get_failed(void *tls_ctx, struct tls_connection *conn)
699 {
700 return 0;
701 }
702
703
tls_connection_get_read_alerts(void * tls_ctx,struct tls_connection * conn)704 int tls_connection_get_read_alerts(void *tls_ctx, struct tls_connection *conn)
705 {
706 return 0;
707 }
708
709
tls_connection_get_write_alerts(void * tls_ctx,struct tls_connection * conn)710 int tls_connection_get_write_alerts(void *tls_ctx,
711 struct tls_connection *conn)
712 {
713 return 0;
714 }
715
716
tls_connection_set_session_ticket_cb(void * tls_ctx,struct tls_connection * conn,tls_session_ticket_cb cb,void * ctx)717 int tls_connection_set_session_ticket_cb(void *tls_ctx,
718 struct tls_connection *conn,
719 tls_session_ticket_cb cb,
720 void *ctx)
721 {
722 #ifdef CONFIG_TLS_INTERNAL_CLIENT
723 if (conn->client) {
724 tlsv1_client_set_session_ticket_cb(conn->client, cb, ctx);
725 return 0;
726 }
727 #endif /* CONFIG_TLS_INTERNAL_CLIENT */
728 #ifdef CONFIG_TLS_INTERNAL_SERVER
729 if (conn->server) {
730 tlsv1_server_set_session_ticket_cb(conn->server, cb, ctx);
731 return 0;
732 }
733 #endif /* CONFIG_TLS_INTERNAL_SERVER */
734 return -1;
735 }
736
737
tls_get_library_version(char * buf,size_t buf_len)738 int tls_get_library_version(char *buf, size_t buf_len)
739 {
740 return os_snprintf(buf, buf_len, "internal");
741 }
742
743
tls_connection_set_success_data(struct tls_connection * conn,struct wpabuf * data)744 void tls_connection_set_success_data(struct tls_connection *conn,
745 struct wpabuf *data)
746 {
747 }
748
749
tls_connection_set_success_data_resumed(struct tls_connection * conn)750 void tls_connection_set_success_data_resumed(struct tls_connection *conn)
751 {
752 }
753
754
755 const struct wpabuf *
tls_connection_get_success_data(struct tls_connection * conn)756 tls_connection_get_success_data(struct tls_connection *conn)
757 {
758 return NULL;
759 }
760
761
tls_connection_remove_session(struct tls_connection * conn)762 void tls_connection_remove_session(struct tls_connection *conn)
763 {
764 }
765