xref: /openbsd-src/lib/libssl/ssl_methods.c (revision 9158af98bd8b10607a8184ee7e8e46538d38105a)
1 /* $OpenBSD: ssl_methods.c,v 1.1 2018/11/05 05:45:15 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 
61 static const SSL_METHOD_INTERNAL DTLSv1_client_method_internal_data = {
62 	.version = DTLS1_VERSION,
63 	.min_version = DTLS1_VERSION,
64 	.max_version = DTLS1_VERSION,
65 	.ssl_new = dtls1_new,
66 	.ssl_clear = dtls1_clear,
67 	.ssl_free = dtls1_free,
68 	.ssl_accept = ssl_undefined_function,
69 	.ssl_connect = ssl3_connect,
70 	.get_ssl_method = dtls1_get_client_method,
71 	.get_timeout = dtls1_default_timeout,
72 	.ssl_version = ssl_undefined_void_function,
73 	.ssl_renegotiate = ssl3_renegotiate,
74 	.ssl_renegotiate_check = ssl3_renegotiate_check,
75 	.ssl_get_message = dtls1_get_message,
76 	.ssl_read_bytes = dtls1_read_bytes,
77 	.ssl_write_bytes = dtls1_write_app_data_bytes,
78 	.ssl3_enc = &DTLSv1_enc_data,
79 };
80 
81 static const SSL_METHOD DTLSv1_client_method_data = {
82 	.ssl_dispatch_alert = dtls1_dispatch_alert,
83 	.num_ciphers = ssl3_num_ciphers,
84 	.get_cipher = dtls1_get_cipher,
85 	.get_cipher_by_char = ssl3_get_cipher_by_char,
86 	.put_cipher_by_char = ssl3_put_cipher_by_char,
87 	.internal = &DTLSv1_client_method_internal_data,
88 };
89 
90 const SSL_METHOD *
91 DTLSv1_client_method(void)
92 {
93 	return &DTLSv1_client_method_data;
94 }
95 
96 const SSL_METHOD *
97 dtls1_get_client_method(int ver)
98 {
99 	if (ver == DTLS1_VERSION)
100 		return (DTLSv1_client_method());
101 	return (NULL);
102 }
103 
104 static const SSL_METHOD *dtls1_get_method(int ver);
105 
106 static const SSL_METHOD_INTERNAL DTLSv1_method_internal_data = {
107 	.version = DTLS1_VERSION,
108 	.min_version = DTLS1_VERSION,
109 	.max_version = DTLS1_VERSION,
110 	.ssl_new = dtls1_new,
111 	.ssl_clear = dtls1_clear,
112 	.ssl_free = dtls1_free,
113 	.ssl_accept = ssl3_accept,
114 	.ssl_connect = ssl3_connect,
115 	.get_ssl_method = dtls1_get_method,
116 	.get_timeout = dtls1_default_timeout,
117 	.ssl_version = ssl_undefined_void_function,
118 	.ssl_renegotiate = ssl3_renegotiate,
119 	.ssl_renegotiate_check = ssl3_renegotiate_check,
120 	.ssl_get_message = dtls1_get_message,
121 	.ssl_read_bytes = dtls1_read_bytes,
122 	.ssl_write_bytes = dtls1_write_app_data_bytes,
123 	.ssl3_enc = &DTLSv1_enc_data,
124 };
125 
126 static const SSL_METHOD DTLSv1_method_data = {
127 	.ssl_dispatch_alert = dtls1_dispatch_alert,
128 	.num_ciphers = ssl3_num_ciphers,
129 	.get_cipher = dtls1_get_cipher,
130 	.get_cipher_by_char = ssl3_get_cipher_by_char,
131 	.put_cipher_by_char = ssl3_put_cipher_by_char,
132 	.internal = &DTLSv1_method_internal_data,
133 };
134 
135 const SSL_METHOD *
136 DTLSv1_method(void)
137 {
138 	return &DTLSv1_method_data;
139 }
140 
141 static const SSL_METHOD *
142 dtls1_get_method(int ver)
143 {
144 	if (ver == DTLS1_VERSION)
145 		return (DTLSv1_method());
146 	return (NULL);
147 }
148 
149 static const SSL_METHOD_INTERNAL DTLSv1_server_method_internal_data = {
150 	.version = DTLS1_VERSION,
151 	.min_version = DTLS1_VERSION,
152 	.max_version = DTLS1_VERSION,
153 	.ssl_new = dtls1_new,
154 	.ssl_clear = dtls1_clear,
155 	.ssl_free = dtls1_free,
156 	.ssl_accept = ssl3_accept,
157 	.ssl_connect = ssl_undefined_function,
158 	.get_ssl_method = dtls1_get_server_method,
159 	.get_timeout = dtls1_default_timeout,
160 	.ssl_version = ssl_undefined_void_function,
161 	.ssl_renegotiate = ssl3_renegotiate,
162 	.ssl_renegotiate_check = ssl3_renegotiate_check,
163 	.ssl_get_message = dtls1_get_message,
164 	.ssl_read_bytes = dtls1_read_bytes,
165 	.ssl_write_bytes = dtls1_write_app_data_bytes,
166 	.ssl3_enc = &DTLSv1_enc_data,
167 };
168 
169 static const SSL_METHOD DTLSv1_server_method_data = {
170 	.ssl_dispatch_alert = dtls1_dispatch_alert,
171 	.num_ciphers = ssl3_num_ciphers,
172 	.get_cipher = dtls1_get_cipher,
173 	.get_cipher_by_char = ssl3_get_cipher_by_char,
174 	.put_cipher_by_char = ssl3_put_cipher_by_char,
175 	.internal = &DTLSv1_server_method_internal_data,
176 };
177 
178 const SSL_METHOD *
179 DTLSv1_server_method(void)
180 {
181 	return &DTLSv1_server_method_data;
182 }
183 
184 const SSL_METHOD *
185 dtls1_get_server_method(int ver)
186 {
187 	if (ver == DTLS1_VERSION)
188 		return (DTLSv1_server_method());
189 	return (NULL);
190 }
191 
192 static const SSL_METHOD_INTERNAL TLS_client_method_internal_data = {
193 	.version = TLS1_2_VERSION,
194 	.min_version = TLS1_VERSION,
195 	.max_version = TLS1_2_VERSION,
196 	.ssl_new = tls1_new,
197 	.ssl_clear = tls1_clear,
198 	.ssl_free = tls1_free,
199 	.ssl_accept = ssl_undefined_function,
200 	.ssl_connect = ssl3_connect,
201 	.get_ssl_method = tls1_get_client_method,
202 	.get_timeout = tls1_default_timeout,
203 	.ssl_version = ssl_undefined_void_function,
204 	.ssl_renegotiate = ssl_undefined_function,
205 	.ssl_renegotiate_check = ssl_ok,
206 	.ssl_get_message = ssl3_get_message,
207 	.ssl_read_bytes = ssl3_read_bytes,
208 	.ssl_write_bytes = ssl3_write_bytes,
209 	.ssl3_enc = &TLSv1_2_enc_data,
210 };
211 
212 static const SSL_METHOD TLS_client_method_data = {
213 	.ssl_dispatch_alert = ssl3_dispatch_alert,
214 	.num_ciphers = ssl3_num_ciphers,
215 	.get_cipher = ssl3_get_cipher,
216 	.get_cipher_by_char = ssl3_get_cipher_by_char,
217 	.put_cipher_by_char = ssl3_put_cipher_by_char,
218 	.internal = &TLS_client_method_internal_data,
219 };
220 
221 static const SSL_METHOD_INTERNAL TLSv1_client_method_internal_data = {
222 	.version = TLS1_VERSION,
223 	.min_version = TLS1_VERSION,
224 	.max_version = TLS1_VERSION,
225 	.ssl_new = tls1_new,
226 	.ssl_clear = tls1_clear,
227 	.ssl_free = tls1_free,
228 	.ssl_accept = ssl_undefined_function,
229 	.ssl_connect = ssl3_connect,
230 	.get_ssl_method = tls1_get_client_method,
231 	.get_timeout = tls1_default_timeout,
232 	.ssl_version = ssl_undefined_void_function,
233 	.ssl_renegotiate = ssl3_renegotiate,
234 	.ssl_renegotiate_check = ssl3_renegotiate_check,
235 	.ssl_get_message = ssl3_get_message,
236 	.ssl_read_bytes = ssl3_read_bytes,
237 	.ssl_write_bytes = ssl3_write_bytes,
238 	.ssl3_enc = &TLSv1_enc_data,
239 };
240 
241 static const SSL_METHOD TLSv1_client_method_data = {
242 	.ssl_dispatch_alert = ssl3_dispatch_alert,
243 	.num_ciphers = ssl3_num_ciphers,
244 	.get_cipher = ssl3_get_cipher,
245 	.get_cipher_by_char = ssl3_get_cipher_by_char,
246 	.put_cipher_by_char = ssl3_put_cipher_by_char,
247 	.internal = &TLSv1_client_method_internal_data,
248 };
249 
250 static const SSL_METHOD_INTERNAL TLSv1_1_client_method_internal_data = {
251 	.version = TLS1_1_VERSION,
252 	.min_version = TLS1_1_VERSION,
253 	.max_version = TLS1_1_VERSION,
254 	.ssl_new = tls1_new,
255 	.ssl_clear = tls1_clear,
256 	.ssl_free = tls1_free,
257 	.ssl_accept = ssl_undefined_function,
258 	.ssl_connect = ssl3_connect,
259 	.get_ssl_method = tls1_get_client_method,
260 	.get_timeout = tls1_default_timeout,
261 	.ssl_version = ssl_undefined_void_function,
262 	.ssl_renegotiate = ssl3_renegotiate,
263 	.ssl_renegotiate_check = ssl3_renegotiate_check,
264 	.ssl_get_message = ssl3_get_message,
265 	.ssl_read_bytes = ssl3_read_bytes,
266 	.ssl_write_bytes = ssl3_write_bytes,
267 	.ssl3_enc = &TLSv1_1_enc_data,
268 };
269 
270 static const SSL_METHOD TLSv1_1_client_method_data = {
271 	.ssl_dispatch_alert = ssl3_dispatch_alert,
272 	.num_ciphers = ssl3_num_ciphers,
273 	.get_cipher = ssl3_get_cipher,
274 	.get_cipher_by_char = ssl3_get_cipher_by_char,
275 	.put_cipher_by_char = ssl3_put_cipher_by_char,
276 	.internal = &TLSv1_1_client_method_internal_data,
277 };
278 
279 static const SSL_METHOD_INTERNAL TLSv1_2_client_method_internal_data = {
280 	.version = TLS1_2_VERSION,
281 	.min_version = TLS1_2_VERSION,
282 	.max_version = TLS1_2_VERSION,
283 	.ssl_new = tls1_new,
284 	.ssl_clear = tls1_clear,
285 	.ssl_free = tls1_free,
286 	.ssl_accept = ssl_undefined_function,
287 	.ssl_connect = ssl3_connect,
288 	.get_ssl_method = tls1_get_client_method,
289 	.get_timeout = tls1_default_timeout,
290 	.ssl_version = ssl_undefined_void_function,
291 	.ssl_renegotiate = ssl3_renegotiate,
292 	.ssl_renegotiate_check = ssl3_renegotiate_check,
293 	.ssl_get_message = ssl3_get_message,
294 	.ssl_read_bytes = ssl3_read_bytes,
295 	.ssl_write_bytes = ssl3_write_bytes,
296 	.ssl3_enc = &TLSv1_2_enc_data,
297 };
298 
299 static const SSL_METHOD TLSv1_2_client_method_data = {
300 	.ssl_dispatch_alert = ssl3_dispatch_alert,
301 	.num_ciphers = ssl3_num_ciphers,
302 	.get_cipher = ssl3_get_cipher,
303 	.get_cipher_by_char = ssl3_get_cipher_by_char,
304 	.put_cipher_by_char = ssl3_put_cipher_by_char,
305 	.internal = &TLSv1_2_client_method_internal_data,
306 };
307 
308 const SSL_METHOD *
309 tls1_get_client_method(int ver)
310 {
311 	if (ver == TLS1_2_VERSION)
312 		return (TLSv1_2_client_method());
313 	if (ver == TLS1_1_VERSION)
314 		return (TLSv1_1_client_method());
315 	if (ver == TLS1_VERSION)
316 		return (TLSv1_client_method());
317 	return (NULL);
318 }
319 
320 const SSL_METHOD *
321 SSLv23_client_method(void)
322 {
323 	return (TLS_client_method());
324 }
325 
326 const SSL_METHOD *
327 TLS_client_method(void)
328 {
329 	return (&TLS_client_method_data);
330 }
331 
332 const SSL_METHOD *
333 TLSv1_client_method(void)
334 {
335 	return (&TLSv1_client_method_data);
336 }
337 
338 const SSL_METHOD *
339 TLSv1_1_client_method(void)
340 {
341 	return (&TLSv1_1_client_method_data);
342 }
343 
344 const SSL_METHOD *
345 TLSv1_2_client_method(void)
346 {
347 	return (&TLSv1_2_client_method_data);
348 }
349 
350 static const SSL_METHOD *tls1_get_method(int ver);
351 
352 static const SSL_METHOD_INTERNAL TLS_method_internal_data = {
353 	.version = TLS1_2_VERSION,
354 	.min_version = TLS1_VERSION,
355 	.max_version = TLS1_2_VERSION,
356 	.ssl_new = tls1_new,
357 	.ssl_clear = tls1_clear,
358 	.ssl_free = tls1_free,
359 	.ssl_accept = ssl3_accept,
360 	.ssl_connect = ssl3_connect,
361 	.get_ssl_method = tls1_get_method,
362 	.get_timeout = tls1_default_timeout,
363 	.ssl_version = ssl_undefined_void_function,
364 	.ssl_renegotiate = ssl_undefined_function,
365 	.ssl_renegotiate_check = ssl_ok,
366 	.ssl_get_message = ssl3_get_message,
367 	.ssl_read_bytes = ssl3_read_bytes,
368 	.ssl_write_bytes = ssl3_write_bytes,
369 	.ssl3_enc = &TLSv1_2_enc_data,
370 };
371 
372 static const SSL_METHOD TLS_method_data = {
373 	.ssl_dispatch_alert = ssl3_dispatch_alert,
374 	.num_ciphers = ssl3_num_ciphers,
375 	.get_cipher = ssl3_get_cipher,
376 	.get_cipher_by_char = ssl3_get_cipher_by_char,
377 	.put_cipher_by_char = ssl3_put_cipher_by_char,
378 	.internal = &TLS_method_internal_data,
379 };
380 
381 static const SSL_METHOD_INTERNAL TLSv1_method_internal_data = {
382 	.version = TLS1_VERSION,
383 	.min_version = TLS1_VERSION,
384 	.max_version = TLS1_VERSION,
385 	.ssl_new = tls1_new,
386 	.ssl_clear = tls1_clear,
387 	.ssl_free = tls1_free,
388 	.ssl_accept = ssl3_accept,
389 	.ssl_connect = ssl3_connect,
390 	.get_ssl_method = tls1_get_method,
391 	.get_timeout = tls1_default_timeout,
392 	.ssl_version = ssl_undefined_void_function,
393 	.ssl_renegotiate = ssl3_renegotiate,
394 	.ssl_renegotiate_check = ssl3_renegotiate_check,
395 	.ssl_get_message = ssl3_get_message,
396 	.ssl_read_bytes = ssl3_read_bytes,
397 	.ssl_write_bytes = ssl3_write_bytes,
398 	.ssl3_enc = &TLSv1_enc_data,
399 };
400 
401 static const SSL_METHOD TLSv1_method_data = {
402 	.ssl_dispatch_alert = ssl3_dispatch_alert,
403 	.num_ciphers = ssl3_num_ciphers,
404 	.get_cipher = ssl3_get_cipher,
405 	.get_cipher_by_char = ssl3_get_cipher_by_char,
406 	.put_cipher_by_char = ssl3_put_cipher_by_char,
407 	.internal = &TLSv1_method_internal_data,
408 };
409 
410 static const SSL_METHOD_INTERNAL TLSv1_1_method_internal_data = {
411 	.version = TLS1_1_VERSION,
412 	.min_version = TLS1_1_VERSION,
413 	.max_version = TLS1_1_VERSION,
414 	.ssl_new = tls1_new,
415 	.ssl_clear = tls1_clear,
416 	.ssl_free = tls1_free,
417 	.ssl_accept = ssl3_accept,
418 	.ssl_connect = ssl3_connect,
419 	.get_ssl_method = tls1_get_method,
420 	.get_timeout = tls1_default_timeout,
421 	.ssl_version = ssl_undefined_void_function,
422 	.ssl_renegotiate = ssl3_renegotiate,
423 	.ssl_renegotiate_check = ssl3_renegotiate_check,
424 	.ssl_get_message = ssl3_get_message,
425 	.ssl_read_bytes = ssl3_read_bytes,
426 	.ssl_write_bytes = ssl3_write_bytes,
427 	.ssl3_enc = &TLSv1_1_enc_data,
428 };
429 
430 static const SSL_METHOD TLSv1_1_method_data = {
431 	.ssl_dispatch_alert = ssl3_dispatch_alert,
432 	.num_ciphers = ssl3_num_ciphers,
433 	.get_cipher = ssl3_get_cipher,
434 	.get_cipher_by_char = ssl3_get_cipher_by_char,
435 	.put_cipher_by_char = ssl3_put_cipher_by_char,
436 	.internal = &TLSv1_1_method_internal_data,
437 };
438 
439 static const SSL_METHOD_INTERNAL TLSv1_2_method_internal_data = {
440 	.version = TLS1_2_VERSION,
441 	.min_version = TLS1_2_VERSION,
442 	.max_version = TLS1_2_VERSION,
443 	.ssl_new = tls1_new,
444 	.ssl_clear = tls1_clear,
445 	.ssl_free = tls1_free,
446 	.ssl_accept = ssl3_accept,
447 	.ssl_connect = ssl3_connect,
448 	.get_ssl_method = tls1_get_method,
449 	.get_timeout = tls1_default_timeout,
450 	.ssl_version = ssl_undefined_void_function,
451 	.ssl_renegotiate = ssl3_renegotiate,
452 	.ssl_renegotiate_check = ssl3_renegotiate_check,
453 	.ssl_get_message = ssl3_get_message,
454 	.ssl_read_bytes = ssl3_read_bytes,
455 	.ssl_write_bytes = ssl3_write_bytes,
456 	.ssl3_enc = &TLSv1_2_enc_data,
457 };
458 
459 static const SSL_METHOD TLSv1_2_method_data = {
460 	.ssl_dispatch_alert = ssl3_dispatch_alert,
461 	.num_ciphers = ssl3_num_ciphers,
462 	.get_cipher = ssl3_get_cipher,
463 	.get_cipher_by_char = ssl3_get_cipher_by_char,
464 	.put_cipher_by_char = ssl3_put_cipher_by_char,
465 	.internal = &TLSv1_2_method_internal_data,
466 };
467 
468 static const SSL_METHOD *
469 tls1_get_method(int ver)
470 {
471 	if (ver == TLS1_2_VERSION)
472 		return (TLSv1_2_method());
473 	if (ver == TLS1_1_VERSION)
474 		return (TLSv1_1_method());
475 	if (ver == TLS1_VERSION)
476 		return (TLSv1_method());
477 	return (NULL);
478 }
479 
480 const SSL_METHOD *
481 SSLv23_method(void)
482 {
483 	return (TLS_method());
484 }
485 
486 const SSL_METHOD *
487 TLS_method(void)
488 {
489 	return &TLS_method_data;
490 }
491 
492 const SSL_METHOD *
493 TLSv1_method(void)
494 {
495 	return (&TLSv1_method_data);
496 }
497 
498 const SSL_METHOD *
499 TLSv1_1_method(void)
500 {
501 	return (&TLSv1_1_method_data);
502 }
503 
504 const SSL_METHOD *
505 TLSv1_2_method(void)
506 {
507 	return (&TLSv1_2_method_data);
508 }
509 
510 static const SSL_METHOD_INTERNAL TLS_server_method_internal_data = {
511 	.version = TLS1_2_VERSION,
512 	.min_version = TLS1_VERSION,
513 	.max_version = TLS1_2_VERSION,
514 	.ssl_new = tls1_new,
515 	.ssl_clear = tls1_clear,
516 	.ssl_free = tls1_free,
517 	.ssl_accept = ssl3_accept,
518 	.ssl_connect = ssl_undefined_function,
519 	.get_ssl_method = tls1_get_server_method,
520 	.get_timeout = tls1_default_timeout,
521 	.ssl_version = ssl_undefined_void_function,
522 	.ssl_renegotiate = ssl_undefined_function,
523 	.ssl_renegotiate_check = ssl_ok,
524 	.ssl_get_message = ssl3_get_message,
525 	.ssl_read_bytes = ssl3_read_bytes,
526 	.ssl_write_bytes = ssl3_write_bytes,
527 	.ssl3_enc = &TLSv1_2_enc_data,
528 };
529 
530 static const SSL_METHOD TLS_server_method_data = {
531 	.ssl_dispatch_alert = ssl3_dispatch_alert,
532 	.num_ciphers = ssl3_num_ciphers,
533 	.get_cipher = ssl3_get_cipher,
534 	.get_cipher_by_char = ssl3_get_cipher_by_char,
535 	.put_cipher_by_char = ssl3_put_cipher_by_char,
536 	.internal = &TLS_server_method_internal_data,
537 };
538 
539 static const SSL_METHOD_INTERNAL TLSv1_server_method_internal_data = {
540 	.version = TLS1_VERSION,
541 	.min_version = TLS1_VERSION,
542 	.max_version = TLS1_VERSION,
543 	.ssl_new = tls1_new,
544 	.ssl_clear = tls1_clear,
545 	.ssl_free = tls1_free,
546 	.ssl_accept = ssl3_accept,
547 	.ssl_connect = ssl_undefined_function,
548 	.get_ssl_method = tls1_get_server_method,
549 	.get_timeout = tls1_default_timeout,
550 	.ssl_version = ssl_undefined_void_function,
551 	.ssl_renegotiate = ssl3_renegotiate,
552 	.ssl_renegotiate_check = ssl3_renegotiate_check,
553 	.ssl_get_message = ssl3_get_message,
554 	.ssl_read_bytes = ssl3_read_bytes,
555 	.ssl_write_bytes = ssl3_write_bytes,
556 	.ssl3_enc = &TLSv1_enc_data,
557 };
558 
559 static const SSL_METHOD TLSv1_server_method_data = {
560 	.ssl_dispatch_alert = ssl3_dispatch_alert,
561 	.num_ciphers = ssl3_num_ciphers,
562 	.get_cipher = ssl3_get_cipher,
563 	.get_cipher_by_char = ssl3_get_cipher_by_char,
564 	.put_cipher_by_char = ssl3_put_cipher_by_char,
565 	.internal = &TLSv1_server_method_internal_data,
566 };
567 
568 static const SSL_METHOD_INTERNAL TLSv1_1_server_method_internal_data = {
569 	.version = TLS1_1_VERSION,
570 	.min_version = TLS1_1_VERSION,
571 	.max_version = TLS1_1_VERSION,
572 	.ssl_new = tls1_new,
573 	.ssl_clear = tls1_clear,
574 	.ssl_free = tls1_free,
575 	.ssl_accept = ssl3_accept,
576 	.ssl_connect = ssl_undefined_function,
577 	.get_ssl_method = tls1_get_server_method,
578 	.get_timeout = tls1_default_timeout,
579 	.ssl_version = ssl_undefined_void_function,
580 	.ssl_renegotiate = ssl3_renegotiate,
581 	.ssl_renegotiate_check = ssl3_renegotiate_check,
582 	.ssl_get_message = ssl3_get_message,
583 	.ssl_read_bytes = ssl3_read_bytes,
584 	.ssl_write_bytes = ssl3_write_bytes,
585 	.ssl3_enc = &TLSv1_1_enc_data,
586 };
587 
588 static const SSL_METHOD TLSv1_1_server_method_data = {
589 	.ssl_dispatch_alert = ssl3_dispatch_alert,
590 	.num_ciphers = ssl3_num_ciphers,
591 	.get_cipher = ssl3_get_cipher,
592 	.get_cipher_by_char = ssl3_get_cipher_by_char,
593 	.put_cipher_by_char = ssl3_put_cipher_by_char,
594 	.internal = &TLSv1_1_server_method_internal_data,
595 };
596 
597 static const SSL_METHOD_INTERNAL TLSv1_2_server_method_internal_data = {
598 	.version = TLS1_2_VERSION,
599 	.min_version = TLS1_2_VERSION,
600 	.max_version = TLS1_2_VERSION,
601 	.ssl_new = tls1_new,
602 	.ssl_clear = tls1_clear,
603 	.ssl_free = tls1_free,
604 	.ssl_accept = ssl3_accept,
605 	.ssl_connect = ssl_undefined_function,
606 	.get_ssl_method = tls1_get_server_method,
607 	.get_timeout = tls1_default_timeout,
608 	.ssl_version = ssl_undefined_void_function,
609 	.ssl_renegotiate = ssl3_renegotiate,
610 	.ssl_renegotiate_check = ssl3_renegotiate_check,
611 	.ssl_get_message = ssl3_get_message,
612 	.ssl_read_bytes = ssl3_read_bytes,
613 	.ssl_write_bytes = ssl3_write_bytes,
614 	.ssl3_enc = &TLSv1_2_enc_data,
615 };
616 
617 static const SSL_METHOD TLSv1_2_server_method_data = {
618 	.ssl_dispatch_alert = ssl3_dispatch_alert,
619 	.num_ciphers = ssl3_num_ciphers,
620 	.get_cipher = ssl3_get_cipher,
621 	.get_cipher_by_char = ssl3_get_cipher_by_char,
622 	.put_cipher_by_char = ssl3_put_cipher_by_char,
623 	.internal = &TLSv1_2_server_method_internal_data,
624 };
625 
626 const SSL_METHOD *
627 tls1_get_server_method(int ver)
628 {
629 	if (ver == TLS1_2_VERSION)
630 		return (TLSv1_2_server_method());
631 	if (ver == TLS1_1_VERSION)
632 		return (TLSv1_1_server_method());
633 	if (ver == TLS1_VERSION)
634 		return (TLSv1_server_method());
635 	return (NULL);
636 }
637 
638 const SSL_METHOD *
639 SSLv23_server_method(void)
640 {
641 	return (TLS_server_method());
642 }
643 
644 const SSL_METHOD *
645 TLS_server_method(void)
646 {
647 	return (&TLS_server_method_data);
648 }
649 
650 const SSL_METHOD *
651 TLSv1_server_method(void)
652 {
653 	return (&TLSv1_server_method_data);
654 }
655 
656 const SSL_METHOD *
657 TLSv1_1_server_method(void)
658 {
659 	return (&TLSv1_1_server_method_data);
660 }
661 
662 const SSL_METHOD *
663 TLSv1_2_server_method(void)
664 {
665 	return (&TLSv1_2_server_method_data);
666 }
667