xref: /openbsd-src/lib/libssl/ssl_methods.c (revision efee3f2f190421f1dabbf71948d7fa8020ab4313)
1 /* $OpenBSD: ssl_methods.c,v 1.2 2019/02/14 17:50:07 jsing Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 
59 #include "ssl_locl.h"
60 #include "tls13_internal.h"
61 
62 static const SSL_METHOD_INTERNAL DTLSv1_client_method_internal_data = {
63 	.version = DTLS1_VERSION,
64 	.min_version = DTLS1_VERSION,
65 	.max_version = DTLS1_VERSION,
66 	.ssl_new = dtls1_new,
67 	.ssl_clear = dtls1_clear,
68 	.ssl_free = dtls1_free,
69 	.ssl_accept = ssl_undefined_function,
70 	.ssl_connect = ssl3_connect,
71 	.get_ssl_method = dtls1_get_client_method,
72 	.get_timeout = dtls1_default_timeout,
73 	.ssl_version = ssl_undefined_void_function,
74 	.ssl_renegotiate = ssl3_renegotiate,
75 	.ssl_renegotiate_check = ssl3_renegotiate_check,
76 	.ssl_get_message = dtls1_get_message,
77 	.ssl_read_bytes = dtls1_read_bytes,
78 	.ssl_write_bytes = dtls1_write_app_data_bytes,
79 	.ssl3_enc = &DTLSv1_enc_data,
80 };
81 
82 static const SSL_METHOD DTLSv1_client_method_data = {
83 	.ssl_dispatch_alert = dtls1_dispatch_alert,
84 	.num_ciphers = ssl3_num_ciphers,
85 	.get_cipher = dtls1_get_cipher,
86 	.get_cipher_by_char = ssl3_get_cipher_by_char,
87 	.put_cipher_by_char = ssl3_put_cipher_by_char,
88 	.internal = &DTLSv1_client_method_internal_data,
89 };
90 
91 const SSL_METHOD *
92 DTLSv1_client_method(void)
93 {
94 	return &DTLSv1_client_method_data;
95 }
96 
97 const SSL_METHOD *
98 dtls1_get_client_method(int ver)
99 {
100 	if (ver == DTLS1_VERSION)
101 		return (DTLSv1_client_method());
102 	return (NULL);
103 }
104 
105 static const SSL_METHOD *dtls1_get_method(int ver);
106 
107 static const SSL_METHOD_INTERNAL DTLSv1_method_internal_data = {
108 	.version = DTLS1_VERSION,
109 	.min_version = DTLS1_VERSION,
110 	.max_version = DTLS1_VERSION,
111 	.ssl_new = dtls1_new,
112 	.ssl_clear = dtls1_clear,
113 	.ssl_free = dtls1_free,
114 	.ssl_accept = ssl3_accept,
115 	.ssl_connect = ssl3_connect,
116 	.get_ssl_method = dtls1_get_method,
117 	.get_timeout = dtls1_default_timeout,
118 	.ssl_version = ssl_undefined_void_function,
119 	.ssl_renegotiate = ssl3_renegotiate,
120 	.ssl_renegotiate_check = ssl3_renegotiate_check,
121 	.ssl_get_message = dtls1_get_message,
122 	.ssl_read_bytes = dtls1_read_bytes,
123 	.ssl_write_bytes = dtls1_write_app_data_bytes,
124 	.ssl3_enc = &DTLSv1_enc_data,
125 };
126 
127 static const SSL_METHOD DTLSv1_method_data = {
128 	.ssl_dispatch_alert = dtls1_dispatch_alert,
129 	.num_ciphers = ssl3_num_ciphers,
130 	.get_cipher = dtls1_get_cipher,
131 	.get_cipher_by_char = ssl3_get_cipher_by_char,
132 	.put_cipher_by_char = ssl3_put_cipher_by_char,
133 	.internal = &DTLSv1_method_internal_data,
134 };
135 
136 const SSL_METHOD *
137 DTLSv1_method(void)
138 {
139 	return &DTLSv1_method_data;
140 }
141 
142 static const SSL_METHOD *
143 dtls1_get_method(int ver)
144 {
145 	if (ver == DTLS1_VERSION)
146 		return (DTLSv1_method());
147 	return (NULL);
148 }
149 
150 static const SSL_METHOD_INTERNAL DTLSv1_server_method_internal_data = {
151 	.version = DTLS1_VERSION,
152 	.min_version = DTLS1_VERSION,
153 	.max_version = DTLS1_VERSION,
154 	.ssl_new = dtls1_new,
155 	.ssl_clear = dtls1_clear,
156 	.ssl_free = dtls1_free,
157 	.ssl_accept = ssl3_accept,
158 	.ssl_connect = ssl_undefined_function,
159 	.get_ssl_method = dtls1_get_server_method,
160 	.get_timeout = dtls1_default_timeout,
161 	.ssl_version = ssl_undefined_void_function,
162 	.ssl_renegotiate = ssl3_renegotiate,
163 	.ssl_renegotiate_check = ssl3_renegotiate_check,
164 	.ssl_get_message = dtls1_get_message,
165 	.ssl_read_bytes = dtls1_read_bytes,
166 	.ssl_write_bytes = dtls1_write_app_data_bytes,
167 	.ssl3_enc = &DTLSv1_enc_data,
168 };
169 
170 static const SSL_METHOD DTLSv1_server_method_data = {
171 	.ssl_dispatch_alert = dtls1_dispatch_alert,
172 	.num_ciphers = ssl3_num_ciphers,
173 	.get_cipher = dtls1_get_cipher,
174 	.get_cipher_by_char = ssl3_get_cipher_by_char,
175 	.put_cipher_by_char = ssl3_put_cipher_by_char,
176 	.internal = &DTLSv1_server_method_internal_data,
177 };
178 
179 const SSL_METHOD *
180 DTLSv1_server_method(void)
181 {
182 	return &DTLSv1_server_method_data;
183 }
184 
185 const SSL_METHOD *
186 dtls1_get_server_method(int ver)
187 {
188 	if (ver == DTLS1_VERSION)
189 		return (DTLSv1_server_method());
190 	return (NULL);
191 }
192 
193 #ifdef LIBRESSL_HAS_TLS13
194 static const SSL_METHOD_INTERNAL TLS_client_method_internal_data = {
195 	.version = TLS1_3_VERSION,
196 	.min_version = TLS1_VERSION,
197 	.max_version = TLS1_3_VERSION,
198 	.ssl_new = tls1_new,
199 	.ssl_clear = tls1_clear,
200 	.ssl_free = tls1_free,
201 	.ssl_accept = ssl_undefined_function,
202 	.ssl_connect = tls13_legacy_connect,
203 	.get_ssl_method = tls1_get_client_method,
204 	.get_timeout = tls1_default_timeout,
205 	.ssl_version = ssl_undefined_void_function,
206 	.ssl_renegotiate = ssl_undefined_function,
207 	.ssl_renegotiate_check = ssl_ok,
208 	.ssl_get_message = ssl3_get_message,
209 	.ssl_read_bytes = tls13_legacy_read_bytes,
210 	.ssl_write_bytes = tls13_legacy_write_bytes,
211 	.ssl3_enc = &TLSv1_2_enc_data,
212 };
213 
214 static const SSL_METHOD TLS_client_method_data = {
215 	.ssl_dispatch_alert = ssl3_dispatch_alert,
216 	.num_ciphers = ssl3_num_ciphers,
217 	.get_cipher = ssl3_get_cipher,
218 	.get_cipher_by_char = ssl3_get_cipher_by_char,
219 	.put_cipher_by_char = ssl3_put_cipher_by_char,
220 	.internal = &TLS_client_method_internal_data,
221 };
222 #endif
223 
224 static const SSL_METHOD_INTERNAL TLS_legacy_client_method_internal_data = {
225 	.version = TLS1_2_VERSION,
226 	.min_version = TLS1_VERSION,
227 	.max_version = TLS1_2_VERSION,
228 	.ssl_new = tls1_new,
229 	.ssl_clear = tls1_clear,
230 	.ssl_free = tls1_free,
231 	.ssl_accept = ssl_undefined_function,
232 	.ssl_connect = ssl3_connect,
233 	.get_ssl_method = tls1_get_client_method,
234 	.get_timeout = tls1_default_timeout,
235 	.ssl_version = ssl_undefined_void_function,
236 	.ssl_renegotiate = ssl_undefined_function,
237 	.ssl_renegotiate_check = ssl_ok,
238 	.ssl_get_message = ssl3_get_message,
239 	.ssl_read_bytes = ssl3_read_bytes,
240 	.ssl_write_bytes = ssl3_write_bytes,
241 	.ssl3_enc = &TLSv1_2_enc_data,
242 };
243 
244 static const SSL_METHOD TLS_legacy_client_method_data = {
245 	.ssl_dispatch_alert = ssl3_dispatch_alert,
246 	.num_ciphers = ssl3_num_ciphers,
247 	.get_cipher = ssl3_get_cipher,
248 	.get_cipher_by_char = ssl3_get_cipher_by_char,
249 	.put_cipher_by_char = ssl3_put_cipher_by_char,
250 	.internal = &TLS_legacy_client_method_internal_data,
251 };
252 
253 static const SSL_METHOD_INTERNAL TLSv1_client_method_internal_data = {
254 	.version = TLS1_VERSION,
255 	.min_version = TLS1_VERSION,
256 	.max_version = TLS1_VERSION,
257 	.ssl_new = tls1_new,
258 	.ssl_clear = tls1_clear,
259 	.ssl_free = tls1_free,
260 	.ssl_accept = ssl_undefined_function,
261 	.ssl_connect = ssl3_connect,
262 	.get_ssl_method = tls1_get_client_method,
263 	.get_timeout = tls1_default_timeout,
264 	.ssl_version = ssl_undefined_void_function,
265 	.ssl_renegotiate = ssl3_renegotiate,
266 	.ssl_renegotiate_check = ssl3_renegotiate_check,
267 	.ssl_get_message = ssl3_get_message,
268 	.ssl_read_bytes = ssl3_read_bytes,
269 	.ssl_write_bytes = ssl3_write_bytes,
270 	.ssl3_enc = &TLSv1_enc_data,
271 };
272 
273 static const SSL_METHOD TLSv1_client_method_data = {
274 	.ssl_dispatch_alert = ssl3_dispatch_alert,
275 	.num_ciphers = ssl3_num_ciphers,
276 	.get_cipher = ssl3_get_cipher,
277 	.get_cipher_by_char = ssl3_get_cipher_by_char,
278 	.put_cipher_by_char = ssl3_put_cipher_by_char,
279 	.internal = &TLSv1_client_method_internal_data,
280 };
281 
282 static const SSL_METHOD_INTERNAL TLSv1_1_client_method_internal_data = {
283 	.version = TLS1_1_VERSION,
284 	.min_version = TLS1_1_VERSION,
285 	.max_version = TLS1_1_VERSION,
286 	.ssl_new = tls1_new,
287 	.ssl_clear = tls1_clear,
288 	.ssl_free = tls1_free,
289 	.ssl_accept = ssl_undefined_function,
290 	.ssl_connect = ssl3_connect,
291 	.get_ssl_method = tls1_get_client_method,
292 	.get_timeout = tls1_default_timeout,
293 	.ssl_version = ssl_undefined_void_function,
294 	.ssl_renegotiate = ssl3_renegotiate,
295 	.ssl_renegotiate_check = ssl3_renegotiate_check,
296 	.ssl_get_message = ssl3_get_message,
297 	.ssl_read_bytes = ssl3_read_bytes,
298 	.ssl_write_bytes = ssl3_write_bytes,
299 	.ssl3_enc = &TLSv1_1_enc_data,
300 };
301 
302 static const SSL_METHOD TLSv1_1_client_method_data = {
303 	.ssl_dispatch_alert = ssl3_dispatch_alert,
304 	.num_ciphers = ssl3_num_ciphers,
305 	.get_cipher = ssl3_get_cipher,
306 	.get_cipher_by_char = ssl3_get_cipher_by_char,
307 	.put_cipher_by_char = ssl3_put_cipher_by_char,
308 	.internal = &TLSv1_1_client_method_internal_data,
309 };
310 
311 static const SSL_METHOD_INTERNAL TLSv1_2_client_method_internal_data = {
312 	.version = TLS1_2_VERSION,
313 	.min_version = TLS1_2_VERSION,
314 	.max_version = TLS1_2_VERSION,
315 	.ssl_new = tls1_new,
316 	.ssl_clear = tls1_clear,
317 	.ssl_free = tls1_free,
318 	.ssl_accept = ssl_undefined_function,
319 	.ssl_connect = ssl3_connect,
320 	.get_ssl_method = tls1_get_client_method,
321 	.get_timeout = tls1_default_timeout,
322 	.ssl_version = ssl_undefined_void_function,
323 	.ssl_renegotiate = ssl3_renegotiate,
324 	.ssl_renegotiate_check = ssl3_renegotiate_check,
325 	.ssl_get_message = ssl3_get_message,
326 	.ssl_read_bytes = ssl3_read_bytes,
327 	.ssl_write_bytes = ssl3_write_bytes,
328 	.ssl3_enc = &TLSv1_2_enc_data,
329 };
330 
331 static const SSL_METHOD TLSv1_2_client_method_data = {
332 	.ssl_dispatch_alert = ssl3_dispatch_alert,
333 	.num_ciphers = ssl3_num_ciphers,
334 	.get_cipher = ssl3_get_cipher,
335 	.get_cipher_by_char = ssl3_get_cipher_by_char,
336 	.put_cipher_by_char = ssl3_put_cipher_by_char,
337 	.internal = &TLSv1_2_client_method_internal_data,
338 };
339 
340 const SSL_METHOD *
341 tls1_get_client_method(int ver)
342 {
343 	if (ver == TLS1_2_VERSION)
344 		return (TLSv1_2_client_method());
345 	if (ver == TLS1_1_VERSION)
346 		return (TLSv1_1_client_method());
347 	if (ver == TLS1_VERSION)
348 		return (TLSv1_client_method());
349 	return (NULL);
350 }
351 
352 const SSL_METHOD *
353 SSLv23_client_method(void)
354 {
355 	return (TLS_client_method());
356 }
357 
358 const SSL_METHOD *
359 TLS_client_method(void)
360 {
361 #ifdef LIBRESSL_HAS_TLS13
362 	return (&TLS_client_method_data);
363 #else
364 	return tls_legacy_client_method();
365 #endif
366 }
367 
368 const SSL_METHOD *
369 tls_legacy_client_method(void)
370 {
371 	return (&TLS_legacy_client_method_data);
372 }
373 
374 const SSL_METHOD *
375 TLSv1_client_method(void)
376 {
377 	return (&TLSv1_client_method_data);
378 }
379 
380 const SSL_METHOD *
381 TLSv1_1_client_method(void)
382 {
383 	return (&TLSv1_1_client_method_data);
384 }
385 
386 const SSL_METHOD *
387 TLSv1_2_client_method(void)
388 {
389 	return (&TLSv1_2_client_method_data);
390 }
391 
392 static const SSL_METHOD *tls1_get_method(int ver);
393 
394 static const SSL_METHOD_INTERNAL TLS_method_internal_data = {
395 	.version = TLS1_2_VERSION,
396 	.min_version = TLS1_VERSION,
397 	.max_version = TLS1_2_VERSION,
398 	.ssl_new = tls1_new,
399 	.ssl_clear = tls1_clear,
400 	.ssl_free = tls1_free,
401 	.ssl_accept = ssl3_accept,
402 	.ssl_connect = ssl3_connect,
403 	.get_ssl_method = tls1_get_method,
404 	.get_timeout = tls1_default_timeout,
405 	.ssl_version = ssl_undefined_void_function,
406 	.ssl_renegotiate = ssl_undefined_function,
407 	.ssl_renegotiate_check = ssl_ok,
408 	.ssl_get_message = ssl3_get_message,
409 	.ssl_read_bytes = ssl3_read_bytes,
410 	.ssl_write_bytes = ssl3_write_bytes,
411 	.ssl3_enc = &TLSv1_2_enc_data,
412 };
413 
414 static const SSL_METHOD TLS_method_data = {
415 	.ssl_dispatch_alert = ssl3_dispatch_alert,
416 	.num_ciphers = ssl3_num_ciphers,
417 	.get_cipher = ssl3_get_cipher,
418 	.get_cipher_by_char = ssl3_get_cipher_by_char,
419 	.put_cipher_by_char = ssl3_put_cipher_by_char,
420 	.internal = &TLS_method_internal_data,
421 };
422 
423 static const SSL_METHOD_INTERNAL TLSv1_method_internal_data = {
424 	.version = TLS1_VERSION,
425 	.min_version = TLS1_VERSION,
426 	.max_version = TLS1_VERSION,
427 	.ssl_new = tls1_new,
428 	.ssl_clear = tls1_clear,
429 	.ssl_free = tls1_free,
430 	.ssl_accept = ssl3_accept,
431 	.ssl_connect = ssl3_connect,
432 	.get_ssl_method = tls1_get_method,
433 	.get_timeout = tls1_default_timeout,
434 	.ssl_version = ssl_undefined_void_function,
435 	.ssl_renegotiate = ssl3_renegotiate,
436 	.ssl_renegotiate_check = ssl3_renegotiate_check,
437 	.ssl_get_message = ssl3_get_message,
438 	.ssl_read_bytes = ssl3_read_bytes,
439 	.ssl_write_bytes = ssl3_write_bytes,
440 	.ssl3_enc = &TLSv1_enc_data,
441 };
442 
443 static const SSL_METHOD TLSv1_method_data = {
444 	.ssl_dispatch_alert = ssl3_dispatch_alert,
445 	.num_ciphers = ssl3_num_ciphers,
446 	.get_cipher = ssl3_get_cipher,
447 	.get_cipher_by_char = ssl3_get_cipher_by_char,
448 	.put_cipher_by_char = ssl3_put_cipher_by_char,
449 	.internal = &TLSv1_method_internal_data,
450 };
451 
452 static const SSL_METHOD_INTERNAL TLSv1_1_method_internal_data = {
453 	.version = TLS1_1_VERSION,
454 	.min_version = TLS1_1_VERSION,
455 	.max_version = TLS1_1_VERSION,
456 	.ssl_new = tls1_new,
457 	.ssl_clear = tls1_clear,
458 	.ssl_free = tls1_free,
459 	.ssl_accept = ssl3_accept,
460 	.ssl_connect = ssl3_connect,
461 	.get_ssl_method = tls1_get_method,
462 	.get_timeout = tls1_default_timeout,
463 	.ssl_version = ssl_undefined_void_function,
464 	.ssl_renegotiate = ssl3_renegotiate,
465 	.ssl_renegotiate_check = ssl3_renegotiate_check,
466 	.ssl_get_message = ssl3_get_message,
467 	.ssl_read_bytes = ssl3_read_bytes,
468 	.ssl_write_bytes = ssl3_write_bytes,
469 	.ssl3_enc = &TLSv1_1_enc_data,
470 };
471 
472 static const SSL_METHOD TLSv1_1_method_data = {
473 	.ssl_dispatch_alert = ssl3_dispatch_alert,
474 	.num_ciphers = ssl3_num_ciphers,
475 	.get_cipher = ssl3_get_cipher,
476 	.get_cipher_by_char = ssl3_get_cipher_by_char,
477 	.put_cipher_by_char = ssl3_put_cipher_by_char,
478 	.internal = &TLSv1_1_method_internal_data,
479 };
480 
481 static const SSL_METHOD_INTERNAL TLSv1_2_method_internal_data = {
482 	.version = TLS1_2_VERSION,
483 	.min_version = TLS1_2_VERSION,
484 	.max_version = TLS1_2_VERSION,
485 	.ssl_new = tls1_new,
486 	.ssl_clear = tls1_clear,
487 	.ssl_free = tls1_free,
488 	.ssl_accept = ssl3_accept,
489 	.ssl_connect = ssl3_connect,
490 	.get_ssl_method = tls1_get_method,
491 	.get_timeout = tls1_default_timeout,
492 	.ssl_version = ssl_undefined_void_function,
493 	.ssl_renegotiate = ssl3_renegotiate,
494 	.ssl_renegotiate_check = ssl3_renegotiate_check,
495 	.ssl_get_message = ssl3_get_message,
496 	.ssl_read_bytes = ssl3_read_bytes,
497 	.ssl_write_bytes = ssl3_write_bytes,
498 	.ssl3_enc = &TLSv1_2_enc_data,
499 };
500 
501 static const SSL_METHOD TLSv1_2_method_data = {
502 	.ssl_dispatch_alert = ssl3_dispatch_alert,
503 	.num_ciphers = ssl3_num_ciphers,
504 	.get_cipher = ssl3_get_cipher,
505 	.get_cipher_by_char = ssl3_get_cipher_by_char,
506 	.put_cipher_by_char = ssl3_put_cipher_by_char,
507 	.internal = &TLSv1_2_method_internal_data,
508 };
509 
510 static const SSL_METHOD *
511 tls1_get_method(int ver)
512 {
513 	if (ver == TLS1_2_VERSION)
514 		return (TLSv1_2_method());
515 	if (ver == TLS1_1_VERSION)
516 		return (TLSv1_1_method());
517 	if (ver == TLS1_VERSION)
518 		return (TLSv1_method());
519 	return (NULL);
520 }
521 
522 const SSL_METHOD *
523 SSLv23_method(void)
524 {
525 	return (TLS_method());
526 }
527 
528 const SSL_METHOD *
529 TLS_method(void)
530 {
531 	return &TLS_method_data;
532 }
533 
534 const SSL_METHOD *
535 TLSv1_method(void)
536 {
537 	return (&TLSv1_method_data);
538 }
539 
540 const SSL_METHOD *
541 TLSv1_1_method(void)
542 {
543 	return (&TLSv1_1_method_data);
544 }
545 
546 const SSL_METHOD *
547 TLSv1_2_method(void)
548 {
549 	return (&TLSv1_2_method_data);
550 }
551 
552 static const SSL_METHOD_INTERNAL TLS_server_method_internal_data = {
553 	.version = TLS1_2_VERSION,
554 	.min_version = TLS1_VERSION,
555 	.max_version = TLS1_2_VERSION,
556 	.ssl_new = tls1_new,
557 	.ssl_clear = tls1_clear,
558 	.ssl_free = tls1_free,
559 	.ssl_accept = ssl3_accept,
560 	.ssl_connect = ssl_undefined_function,
561 	.get_ssl_method = tls1_get_server_method,
562 	.get_timeout = tls1_default_timeout,
563 	.ssl_version = ssl_undefined_void_function,
564 	.ssl_renegotiate = ssl_undefined_function,
565 	.ssl_renegotiate_check = ssl_ok,
566 	.ssl_get_message = ssl3_get_message,
567 	.ssl_read_bytes = ssl3_read_bytes,
568 	.ssl_write_bytes = ssl3_write_bytes,
569 	.ssl3_enc = &TLSv1_2_enc_data,
570 };
571 
572 static const SSL_METHOD TLS_server_method_data = {
573 	.ssl_dispatch_alert = ssl3_dispatch_alert,
574 	.num_ciphers = ssl3_num_ciphers,
575 	.get_cipher = ssl3_get_cipher,
576 	.get_cipher_by_char = ssl3_get_cipher_by_char,
577 	.put_cipher_by_char = ssl3_put_cipher_by_char,
578 	.internal = &TLS_server_method_internal_data,
579 };
580 
581 static const SSL_METHOD_INTERNAL TLSv1_server_method_internal_data = {
582 	.version = TLS1_VERSION,
583 	.min_version = TLS1_VERSION,
584 	.max_version = TLS1_VERSION,
585 	.ssl_new = tls1_new,
586 	.ssl_clear = tls1_clear,
587 	.ssl_free = tls1_free,
588 	.ssl_accept = ssl3_accept,
589 	.ssl_connect = ssl_undefined_function,
590 	.get_ssl_method = tls1_get_server_method,
591 	.get_timeout = tls1_default_timeout,
592 	.ssl_version = ssl_undefined_void_function,
593 	.ssl_renegotiate = ssl3_renegotiate,
594 	.ssl_renegotiate_check = ssl3_renegotiate_check,
595 	.ssl_get_message = ssl3_get_message,
596 	.ssl_read_bytes = ssl3_read_bytes,
597 	.ssl_write_bytes = ssl3_write_bytes,
598 	.ssl3_enc = &TLSv1_enc_data,
599 };
600 
601 static const SSL_METHOD TLSv1_server_method_data = {
602 	.ssl_dispatch_alert = ssl3_dispatch_alert,
603 	.num_ciphers = ssl3_num_ciphers,
604 	.get_cipher = ssl3_get_cipher,
605 	.get_cipher_by_char = ssl3_get_cipher_by_char,
606 	.put_cipher_by_char = ssl3_put_cipher_by_char,
607 	.internal = &TLSv1_server_method_internal_data,
608 };
609 
610 static const SSL_METHOD_INTERNAL TLSv1_1_server_method_internal_data = {
611 	.version = TLS1_1_VERSION,
612 	.min_version = TLS1_1_VERSION,
613 	.max_version = TLS1_1_VERSION,
614 	.ssl_new = tls1_new,
615 	.ssl_clear = tls1_clear,
616 	.ssl_free = tls1_free,
617 	.ssl_accept = ssl3_accept,
618 	.ssl_connect = ssl_undefined_function,
619 	.get_ssl_method = tls1_get_server_method,
620 	.get_timeout = tls1_default_timeout,
621 	.ssl_version = ssl_undefined_void_function,
622 	.ssl_renegotiate = ssl3_renegotiate,
623 	.ssl_renegotiate_check = ssl3_renegotiate_check,
624 	.ssl_get_message = ssl3_get_message,
625 	.ssl_read_bytes = ssl3_read_bytes,
626 	.ssl_write_bytes = ssl3_write_bytes,
627 	.ssl3_enc = &TLSv1_1_enc_data,
628 };
629 
630 static const SSL_METHOD TLSv1_1_server_method_data = {
631 	.ssl_dispatch_alert = ssl3_dispatch_alert,
632 	.num_ciphers = ssl3_num_ciphers,
633 	.get_cipher = ssl3_get_cipher,
634 	.get_cipher_by_char = ssl3_get_cipher_by_char,
635 	.put_cipher_by_char = ssl3_put_cipher_by_char,
636 	.internal = &TLSv1_1_server_method_internal_data,
637 };
638 
639 static const SSL_METHOD_INTERNAL TLSv1_2_server_method_internal_data = {
640 	.version = TLS1_2_VERSION,
641 	.min_version = TLS1_2_VERSION,
642 	.max_version = TLS1_2_VERSION,
643 	.ssl_new = tls1_new,
644 	.ssl_clear = tls1_clear,
645 	.ssl_free = tls1_free,
646 	.ssl_accept = ssl3_accept,
647 	.ssl_connect = ssl_undefined_function,
648 	.get_ssl_method = tls1_get_server_method,
649 	.get_timeout = tls1_default_timeout,
650 	.ssl_version = ssl_undefined_void_function,
651 	.ssl_renegotiate = ssl3_renegotiate,
652 	.ssl_renegotiate_check = ssl3_renegotiate_check,
653 	.ssl_get_message = ssl3_get_message,
654 	.ssl_read_bytes = ssl3_read_bytes,
655 	.ssl_write_bytes = ssl3_write_bytes,
656 	.ssl3_enc = &TLSv1_2_enc_data,
657 };
658 
659 static const SSL_METHOD TLSv1_2_server_method_data = {
660 	.ssl_dispatch_alert = ssl3_dispatch_alert,
661 	.num_ciphers = ssl3_num_ciphers,
662 	.get_cipher = ssl3_get_cipher,
663 	.get_cipher_by_char = ssl3_get_cipher_by_char,
664 	.put_cipher_by_char = ssl3_put_cipher_by_char,
665 	.internal = &TLSv1_2_server_method_internal_data,
666 };
667 
668 const SSL_METHOD *
669 tls1_get_server_method(int ver)
670 {
671 	if (ver == TLS1_2_VERSION)
672 		return (TLSv1_2_server_method());
673 	if (ver == TLS1_1_VERSION)
674 		return (TLSv1_1_server_method());
675 	if (ver == TLS1_VERSION)
676 		return (TLSv1_server_method());
677 	return (NULL);
678 }
679 
680 const SSL_METHOD *
681 SSLv23_server_method(void)
682 {
683 	return (TLS_server_method());
684 }
685 
686 const SSL_METHOD *
687 TLS_server_method(void)
688 {
689 	return (&TLS_server_method_data);
690 }
691 
692 const SSL_METHOD *
693 TLSv1_server_method(void)
694 {
695 	return (&TLSv1_server_method_data);
696 }
697 
698 const SSL_METHOD *
699 TLSv1_1_server_method(void)
700 {
701 	return (&TLSv1_1_server_method_data);
702 }
703 
704 const SSL_METHOD *
705 TLSv1_2_server_method(void)
706 {
707 	return (&TLSv1_2_server_method_data);
708 }
709