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1/* ssl/s3_lib.c */
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 * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
67 *
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 *
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
82 *
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 * acknowledgment:
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
105 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111
112#include <stdio.h>
113#include <openssl/md5.h>
114#include <openssl/sha.h>
115#include <openssl/objects.h>
116#include "ssl_locl.h"
117
118const char *ssl3_version_str="SSLv3" OPENSSL_VERSION_PTEXT;
119
120#define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers)/sizeof(SSL_CIPHER))
121
122static long ssl3_default_timeout(void );
123
124OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
125/* The RSA ciphers */
126/* Cipher 01 */
127 {
128 1,
129 SSL3_TXT_RSA_NULL_MD5,
130 SSL3_CK_RSA_NULL_MD5,
131 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_MD5|SSL_SSLV3,
132 SSL_NOT_EXP,
133 0,
134 0,
135 0,
136 SSL_ALL_CIPHERS,
137 SSL_ALL_STRENGTHS,
138 },
139/* Cipher 02 */
140 {
141 1,
142 SSL3_TXT_RSA_NULL_SHA,
143 SSL3_CK_RSA_NULL_SHA,
144 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_SHA1|SSL_SSLV3,
145 SSL_NOT_EXP,
146 0,
147 0,
148 0,
149 SSL_ALL_CIPHERS,
150 SSL_ALL_STRENGTHS,
151 },
152
153/* anon DH */
154/* Cipher 17 */
155 {
156 1,
157 SSL3_TXT_ADH_RC4_40_MD5,
158 SSL3_CK_ADH_RC4_40_MD5,
159 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
160 SSL_EXPORT|SSL_EXP40,
161 0,
162 40,
163 128,
164 SSL_ALL_CIPHERS,
165 SSL_ALL_STRENGTHS,
166 },
167/* Cipher 18 */
168 {
169 1,
170 SSL3_TXT_ADH_RC4_128_MD5,
171 SSL3_CK_ADH_RC4_128_MD5,
172 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
173 SSL_NOT_EXP,
174 0,
175 128,
176 128,
177 SSL_ALL_CIPHERS,
178 SSL_ALL_STRENGTHS,
179 },
180/* Cipher 19 */
181 {
182 1,
183 SSL3_TXT_ADH_DES_40_CBC_SHA,
184 SSL3_CK_ADH_DES_40_CBC_SHA,
185 SSL_kEDH |SSL_aNULL|SSL_DES|SSL_SHA1|SSL_SSLV3,
186 SSL_EXPORT|SSL_EXP40,
187 0,
188 40,
189 128,
190 SSL_ALL_CIPHERS,
191 SSL_ALL_STRENGTHS,
192 },
193/* Cipher 1A */
194 {
195 1,
196 SSL3_TXT_ADH_DES_64_CBC_SHA,
197 SSL3_CK_ADH_DES_64_CBC_SHA,
198 SSL_kEDH |SSL_aNULL|SSL_DES |SSL_SHA1|SSL_SSLV3,
199 SSL_NOT_EXP,
200 0,
201 56,
202 56,
203 SSL_ALL_CIPHERS,
204 SSL_ALL_STRENGTHS,
205 },
206/* Cipher 1B */
207 {
208 1,
209 SSL3_TXT_ADH_DES_192_CBC_SHA,
210 SSL3_CK_ADH_DES_192_CBC_SHA,
211 SSL_kEDH |SSL_aNULL|SSL_3DES |SSL_SHA1|SSL_SSLV3,
212 SSL_NOT_EXP,
213 0,
214 168,
215 168,
216 SSL_ALL_CIPHERS,
217 SSL_ALL_STRENGTHS,
218 },
219
220/* RSA again */
221/* Cipher 03 */
222 {
223 1,
224 SSL3_TXT_RSA_RC4_40_MD5,
225 SSL3_CK_RSA_RC4_40_MD5,
226 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
227 SSL_EXPORT|SSL_EXP40,
228 0,
229 40,
230 128,
231 SSL_ALL_CIPHERS,
232 SSL_ALL_STRENGTHS,
233 },
234/* Cipher 04 */
235 {
236 1,
237 SSL3_TXT_RSA_RC4_128_MD5,
238 SSL3_CK_RSA_RC4_128_MD5,
239 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5|SSL_SSLV3,
240 SSL_NOT_EXP|SSL_MEDIUM,
241 0,
242 128,
243 128,
244 SSL_ALL_CIPHERS,
245 SSL_ALL_STRENGTHS,
246 },
247/* Cipher 05 */
248 {
249 1,
250 SSL3_TXT_RSA_RC4_128_SHA,
251 SSL3_CK_RSA_RC4_128_SHA,
252 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_SHA1|SSL_SSLV3,
253 SSL_NOT_EXP|SSL_MEDIUM,
254 0,
255 128,
256 128,
257 SSL_ALL_CIPHERS,
258 SSL_ALL_STRENGTHS,
259 },
260/* Cipher 06 */
261 {
262 1,
263 SSL3_TXT_RSA_RC2_40_MD5,
264 SSL3_CK_RSA_RC2_40_MD5,
265 SSL_kRSA|SSL_aRSA|SSL_RC2 |SSL_MD5 |SSL_SSLV3,
266 SSL_EXPORT|SSL_EXP40,
267 0,
268 40,
269 128,
270 SSL_ALL_CIPHERS,
271 SSL_ALL_STRENGTHS,
272 },
273/* Cipher 07 */
274 {
275 1,
276 SSL3_TXT_RSA_IDEA_128_SHA,
277 SSL3_CK_RSA_IDEA_128_SHA,
278 SSL_kRSA|SSL_aRSA|SSL_IDEA |SSL_SHA1|SSL_SSLV3,
279 SSL_NOT_EXP|SSL_MEDIUM,
280 0,
281 128,
282 128,
283 SSL_ALL_CIPHERS,
284 SSL_ALL_STRENGTHS,
285 },
286/* Cipher 08 */
287 {
288 1,
289 SSL3_TXT_RSA_DES_40_CBC_SHA,
290 SSL3_CK_RSA_DES_40_CBC_SHA,
291 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
292 SSL_EXPORT|SSL_EXP40,
293 0,
294 40,
295 56,
296 SSL_ALL_CIPHERS,
297 SSL_ALL_STRENGTHS,
298 },
299/* Cipher 09 */
300 {
301 1,
302 SSL3_TXT_RSA_DES_64_CBC_SHA,
303 SSL3_CK_RSA_DES_64_CBC_SHA,
304 SSL_kRSA|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
305 SSL_NOT_EXP|SSL_LOW,
306 0,
307 56,
308 56,
309 SSL_ALL_CIPHERS,
310 SSL_ALL_STRENGTHS,
311 },
312/* Cipher 0A */
313 {
314 1,
315 SSL3_TXT_RSA_DES_192_CBC3_SHA,
316 SSL3_CK_RSA_DES_192_CBC3_SHA,
317 SSL_kRSA|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
318 SSL_NOT_EXP|SSL_HIGH,
319 0,
320 168,
321 168,
322 SSL_ALL_CIPHERS,
323 SSL_ALL_STRENGTHS,
324 },
325
326/* The DH ciphers */
327/* Cipher 0B */
328 {
329 0,
330 SSL3_TXT_DH_DSS_DES_40_CBC_SHA,
331 SSL3_CK_DH_DSS_DES_40_CBC_SHA,
332 SSL_kDHd |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
333 SSL_EXPORT|SSL_EXP40,
334 0,
335 40,
336 56,
337 SSL_ALL_CIPHERS,
338 SSL_ALL_STRENGTHS,
339 },
340/* Cipher 0C */
341 {
342 0,
343 SSL3_TXT_DH_DSS_DES_64_CBC_SHA,
344 SSL3_CK_DH_DSS_DES_64_CBC_SHA,
345 SSL_kDHd |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
346 SSL_NOT_EXP|SSL_LOW,
347 0,
348 56,
349 56,
350 SSL_ALL_CIPHERS,
351 SSL_ALL_STRENGTHS,
352 },
353/* Cipher 0D */
354 {
355 0,
356 SSL3_TXT_DH_DSS_DES_192_CBC3_SHA,
357 SSL3_CK_DH_DSS_DES_192_CBC3_SHA,
358 SSL_kDHd |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
359 SSL_NOT_EXP|SSL_HIGH,
360 0,
361 168,
362 168,
363 SSL_ALL_CIPHERS,
364 SSL_ALL_STRENGTHS,
365 },
366/* Cipher 0E */
367 {
368 0,
369 SSL3_TXT_DH_RSA_DES_40_CBC_SHA,
370 SSL3_CK_DH_RSA_DES_40_CBC_SHA,
371 SSL_kDHr |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
372 SSL_EXPORT|SSL_EXP40,
373 0,
374 40,
375 56,
376 SSL_ALL_CIPHERS,
377 SSL_ALL_STRENGTHS,
378 },
379/* Cipher 0F */
380 {
381 0,
382 SSL3_TXT_DH_RSA_DES_64_CBC_SHA,
383 SSL3_CK_DH_RSA_DES_64_CBC_SHA,
384 SSL_kDHr |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
385 SSL_NOT_EXP|SSL_LOW,
386 0,
387 56,
388 56,
389 SSL_ALL_CIPHERS,
390 SSL_ALL_STRENGTHS,
391 },
392/* Cipher 10 */
393 {
394 0,
395 SSL3_TXT_DH_RSA_DES_192_CBC3_SHA,
396 SSL3_CK_DH_RSA_DES_192_CBC3_SHA,
397 SSL_kDHr |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
398 SSL_NOT_EXP|SSL_HIGH,
399 0,
400 168,
401 168,
402 SSL_ALL_CIPHERS,
403 SSL_ALL_STRENGTHS,
404 },
405
406/* The Ephemeral DH ciphers */
407/* Cipher 11 */
408 {
409 1,
410 SSL3_TXT_EDH_DSS_DES_40_CBC_SHA,
411 SSL3_CK_EDH_DSS_DES_40_CBC_SHA,
412 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA1|SSL_SSLV3,
413 SSL_EXPORT|SSL_EXP40,
414 0,
415 40,
416 56,
417 SSL_ALL_CIPHERS,
418 SSL_ALL_STRENGTHS,
419 },
420/* Cipher 12 */
421 {
422 1,
423 SSL3_TXT_EDH_DSS_DES_64_CBC_SHA,
424 SSL3_CK_EDH_DSS_DES_64_CBC_SHA,
425 SSL_kEDH|SSL_aDSS|SSL_DES |SSL_SHA1|SSL_SSLV3,
426 SSL_NOT_EXP|SSL_LOW,
427 0,
428 56,
429 56,
430 SSL_ALL_CIPHERS,
431 SSL_ALL_STRENGTHS,
432 },
433/* Cipher 13 */
434 {
435 1,
436 SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA,
437 SSL3_CK_EDH_DSS_DES_192_CBC3_SHA,
438 SSL_kEDH|SSL_aDSS|SSL_3DES |SSL_SHA1|SSL_SSLV3,
439 SSL_NOT_EXP|SSL_HIGH,
440 0,
441 168,
442 168,
443 SSL_ALL_CIPHERS,
444 SSL_ALL_STRENGTHS,
445 },
446/* Cipher 14 */
447 {
448 1,
449 SSL3_TXT_EDH_RSA_DES_40_CBC_SHA,
450 SSL3_CK_EDH_RSA_DES_40_CBC_SHA,
451 SSL_kEDH|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
452 SSL_EXPORT|SSL_EXP40,
453 0,
454 40,
455 56,
456 SSL_ALL_CIPHERS,
457 SSL_ALL_STRENGTHS,
458 },
459/* Cipher 15 */
460 {
461 1,
462 SSL3_TXT_EDH_RSA_DES_64_CBC_SHA,
463 SSL3_CK_EDH_RSA_DES_64_CBC_SHA,
464 SSL_kEDH|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
465 SSL_NOT_EXP|SSL_LOW,
466 0,
467 56,
468 56,
469 SSL_ALL_CIPHERS,
470 SSL_ALL_STRENGTHS,
471 },
472/* Cipher 16 */
473 {
474 1,
475 SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA,
476 SSL3_CK_EDH_RSA_DES_192_CBC3_SHA,
477 SSL_kEDH|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
478 SSL_NOT_EXP|SSL_HIGH,
479 0,
480 168,
481 168,
482 SSL_ALL_CIPHERS,
483 SSL_ALL_STRENGTHS,
484 },
485
486/* Fortezza */
487/* Cipher 1C */
488 {
489 0,
490 SSL3_TXT_FZA_DMS_NULL_SHA,
491 SSL3_CK_FZA_DMS_NULL_SHA,
492 SSL_kFZA|SSL_aFZA |SSL_eNULL |SSL_SHA1|SSL_SSLV3,
493 SSL_NOT_EXP,
494 0,
495 0,
496 0,
497 SSL_ALL_CIPHERS,
498 SSL_ALL_STRENGTHS,
499 },
500
501/* Cipher 1D */
502 {
503 0,
504 SSL3_TXT_FZA_DMS_FZA_SHA,
505 SSL3_CK_FZA_DMS_FZA_SHA,
506 SSL_kFZA|SSL_aFZA |SSL_eFZA |SSL_SHA1|SSL_SSLV3,
507 SSL_NOT_EXP,
508 0,
509 0,
510 0,
511 SSL_ALL_CIPHERS,
512 SSL_ALL_STRENGTHS,
513 },
514
515/* Cipher 1E */
516 {
517 0,
518 SSL3_TXT_FZA_DMS_RC4_SHA,
519 SSL3_CK_FZA_DMS_RC4_SHA,
520 SSL_kFZA|SSL_aFZA |SSL_RC4 |SSL_SHA1|SSL_SSLV3,
521 SSL_NOT_EXP,
522 0,
523 128,
524 128,
525 SSL_ALL_CIPHERS,
526 SSL_ALL_STRENGTHS,
527 },
528
529#if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
530 /* New TLS Export CipherSuites */
531 /* Cipher 60 */
532 {
533 1,
534 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5,
535 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5,
536 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_TLSV1,
537 SSL_EXPORT|SSL_EXP56,
538 0,
539 56,
540 128,
541 SSL_ALL_CIPHERS,
542 SSL_ALL_STRENGTHS,
543 },
544 /* Cipher 61 */
545 {
546 1,
547 TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
548 TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
549 SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_TLSV1,
550 SSL_EXPORT|SSL_EXP56,
551 0,
552 56,
553 128,
554 SSL_ALL_CIPHERS,
555 SSL_ALL_STRENGTHS,
556 },
557 /* Cipher 62 */
558 {
559 1,
560 TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA,
561 TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA,
562 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA|SSL_TLSV1,
563 SSL_EXPORT|SSL_EXP56,
564 0,
565 56,
566 56,
567 SSL_ALL_CIPHERS,
568 SSL_ALL_STRENGTHS,
569 },
570 /* Cipher 63 */
571 {
572 1,
573 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
574 TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
575 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA|SSL_TLSV1,
576 SSL_EXPORT|SSL_EXP56,
577 0,
578 56,
579 56,
580 SSL_ALL_CIPHERS,
581 SSL_ALL_STRENGTHS,
582 },
583 /* Cipher 64 */
584 {
585 1,
586 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA,
587 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA,
588 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
589 SSL_EXPORT|SSL_EXP56,
590 0,
591 56,
592 128,
593 SSL_ALL_CIPHERS,
594 SSL_ALL_STRENGTHS,
595 },
596 /* Cipher 65 */
597 {
598 1,
599 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
600 TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
601 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
602 SSL_EXPORT|SSL_EXP56,
603 0,
604 56,
605 128,
606 SSL_ALL_CIPHERS,
607 SSL_ALL_STRENGTHS,
608 },
609 /* Cipher 66 */
610 {
611 1,
612 TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA,
613 TLS1_CK_DHE_DSS_WITH_RC4_128_SHA,
614 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
615 SSL_NOT_EXP,
616 0,
617 128,
618 128,
619 SSL_ALL_CIPHERS,
620 SSL_ALL_STRENGTHS
621 },
622#endif
623
624/* end of list */
625 };
626
627static SSL3_ENC_METHOD SSLv3_enc_data={
628 ssl3_enc,
629 ssl3_mac,
630 ssl3_setup_key_block,
631 ssl3_generate_master_secret,
632 ssl3_change_cipher_state,
633 ssl3_final_finish_mac,
634 MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
635 ssl3_cert_verify_mac,
636 SSL3_MD_CLIENT_FINISHED_CONST,4,
637 SSL3_MD_SERVER_FINISHED_CONST,4,
638 ssl3_alert_code,
639 };
640
641static SSL_METHOD SSLv3_data= {
642 SSL3_VERSION,
643 ssl3_new,
644 ssl3_clear,
645 ssl3_free,
646 ssl_undefined_function,
647 ssl_undefined_function,
648 ssl3_read,
649 ssl3_peek,
650 ssl3_write,
651 ssl3_shutdown,
652 ssl3_renegotiate,
653 ssl3_renegotiate_check,
654 ssl3_ctrl,
655 ssl3_ctx_ctrl,
656 ssl3_get_cipher_by_char,
657 ssl3_put_cipher_by_char,
658 ssl3_pending,
659 ssl3_num_ciphers,
660 ssl3_get_cipher,
661 ssl_bad_method,
662 ssl3_default_timeout,
663 &SSLv3_enc_data,
664 ssl_undefined_function,
665 ssl3_callback_ctrl,
666 ssl3_ctx_callback_ctrl,
667 };
668
669static long ssl3_default_timeout(void)
670 {
671 /* 2 hours, the 24 hours mentioned in the SSLv3 spec
672 * is way too long for http, the cache would over fill */
673 return(60*60*2);
674 }
675
676SSL_METHOD *sslv3_base_method(void)
677 {
678 return(&SSLv3_data);
679 }
680
681int ssl3_num_ciphers(void)
682 {
683 return(SSL3_NUM_CIPHERS);
684 }
685
686SSL_CIPHER *ssl3_get_cipher(unsigned int u)
687 {
688 if (u < SSL3_NUM_CIPHERS)
689 return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
690 else
691 return(NULL);
692 }
693
694int ssl3_pending(SSL *s)
695 {
696 return (s->s3->rrec.type == SSL3_RT_APPLICATION_DATA) ? s->s3->rrec.length : 0;
697 }
698
699int ssl3_new(SSL *s)
700 {
701 SSL3_STATE *s3;
702
703 if ((s3=OPENSSL_malloc(sizeof *s3)) == NULL) goto err;
704 memset(s3,0,sizeof *s3);
705
706 s->s3=s3;
707
708 s->method->ssl_clear(s);
709 return(1);
710err:
711 return(0);
712 }
713
714void ssl3_free(SSL *s)
715 {
716 if(s == NULL)
717 return;
718
719 ssl3_cleanup_key_block(s);
720 if (s->s3->rbuf.buf != NULL)
721 OPENSSL_free(s->s3->rbuf.buf);
722 if (s->s3->wbuf.buf != NULL)
723 OPENSSL_free(s->s3->wbuf.buf);
724 if (s->s3->rrec.comp != NULL)
725 OPENSSL_free(s->s3->rrec.comp);
726#ifndef NO_DH
727 if (s->s3->tmp.dh != NULL)
728 DH_free(s->s3->tmp.dh);
729#endif
730 if (s->s3->tmp.ca_names != NULL)
731 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
732 memset(s->s3,0,sizeof *s->s3);
733 OPENSSL_free(s->s3);
734 s->s3=NULL;
735 }
736
737void ssl3_clear(SSL *s)
738 {
739 unsigned char *rp,*wp;
740
741 ssl3_cleanup_key_block(s);
742 if (s->s3->tmp.ca_names != NULL)
743 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
744
745 if (s->s3->rrec.comp != NULL)
746 {
747 OPENSSL_free(s->s3->rrec.comp);
748 s->s3->rrec.comp=NULL;
749 }
750#ifndef NO_DH
751 if (s->s3->tmp.dh != NULL)
752 DH_free(s->s3->tmp.dh);
753#endif
754
755 rp=s->s3->rbuf.buf;
756 wp=s->s3->wbuf.buf;
757
758 memset(s->s3,0,sizeof *s->s3);
759 if (rp != NULL) s->s3->rbuf.buf=rp;
760 if (wp != NULL) s->s3->wbuf.buf=wp;
761
762 ssl_free_wbio_buffer(s);
763
764 s->packet_length=0;
765 s->s3->renegotiate=0;
766 s->s3->total_renegotiations=0;
767 s->s3->num_renegotiations=0;
768 s->s3->in_read_app_data=0;
769 s->version=SSL3_VERSION;
770 }
771
772long ssl3_ctrl(SSL *s, int cmd, long larg, char *parg)
773 {
774 int ret=0;
775
776#if !defined(NO_DSA) || !defined(NO_RSA)
777 if (
778#ifndef NO_RSA
779 cmd == SSL_CTRL_SET_TMP_RSA ||
780 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
781#endif
782#ifndef NO_DSA
783 cmd == SSL_CTRL_SET_TMP_DH ||
784 cmd == SSL_CTRL_SET_TMP_DH_CB ||
785#endif
786 0)
787 {
788 if (!ssl_cert_inst(&s->cert))
789 {
790 SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
791 return(0);
792 }
793 }
794#endif
795
796 switch (cmd)
797 {
798 case SSL_CTRL_GET_SESSION_REUSED:
799 ret=s->hit;
800 break;
801 case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
802 break;
803 case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
804 ret=s->s3->num_renegotiations;
805 break;
806 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
807 ret=s->s3->num_renegotiations;
808 s->s3->num_renegotiations=0;
809 break;
810 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
811 ret=s->s3->total_renegotiations;
812 break;
813 case SSL_CTRL_GET_FLAGS:
814 ret=(int)(s->s3->flags);
815 break;
816#ifndef NO_RSA
817 case SSL_CTRL_NEED_TMP_RSA:
818 if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
819 ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
820 (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
821 ret = 1;
822 break;
823 case SSL_CTRL_SET_TMP_RSA:
824 {
825 RSA *rsa = (RSA *)parg;
826 if (rsa == NULL)
827 {
828 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
829 return(ret);
830 }
831 if ((rsa = RSAPrivateKey_dup(rsa)) == NULL)
832 {
833 SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
834 return(ret);
835 }
836 if (s->cert->rsa_tmp != NULL)
837 RSA_free(s->cert->rsa_tmp);
838 s->cert->rsa_tmp = rsa;
839 ret = 1;
840 }
841 break;
842 case SSL_CTRL_SET_TMP_RSA_CB:
843 {
844 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
845 return(ret);
846 }
847 break;
848#endif
849#ifndef NO_DH
850 case SSL_CTRL_SET_TMP_DH:
851 {
852 DH *dh = (DH *)parg;
853 if (dh == NULL)
854 {
855 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
856 return(ret);
857 }
858 if ((dh = DHparams_dup(dh)) == NULL)
859 {
860 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
861 return(ret);
862 }
863 if (!(s->options & SSL_OP_SINGLE_DH_USE))
864 {
865 if (!DH_generate_key(dh))
866 {
867 DH_free(dh);
868 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
869 return(ret);
870 }
871 }
872 if (s->cert->dh_tmp != NULL)
873 DH_free(s->cert->dh_tmp);
874 s->cert->dh_tmp = dh;
875 ret = 1;
876 }
877 break;
878 case SSL_CTRL_SET_TMP_DH_CB:
879 {
880 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
881 return(ret);
882 }
883 break;
884#endif
885 default:
886 break;
887 }
888 return(ret);
889 }
890
891long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)())
892 {
893 int ret=0;
894
895#if !defined(NO_DSA) || !defined(NO_RSA)
896 if (
897#ifndef NO_RSA
898 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
899#endif
900#ifndef NO_DSA
901 cmd == SSL_CTRL_SET_TMP_DH_CB ||
902#endif
903 0)
904 {
905 if (!ssl_cert_inst(&s->cert))
906 {
907 SSLerr(SSL_F_SSL3_CALLBACK_CTRL, ERR_R_MALLOC_FAILURE);
908 return(0);
909 }
910 }
911#endif
912
913 switch (cmd)
914 {
915#ifndef NO_RSA
916 case SSL_CTRL_SET_TMP_RSA_CB:
917 {
918 s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
919 }
920 break;
921#endif
922#ifndef NO_DH
923 case SSL_CTRL_SET_TMP_DH_CB:
924 {
925 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
926 }
927 break;
928#endif
929 default:
930 break;
931 }
932 return(ret);
933 }
934
935long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, char *parg)
936 {
937 CERT *cert;
938
939 cert=ctx->cert;
940
941 switch (cmd)
942 {
943#ifndef NO_RSA
944 case SSL_CTRL_NEED_TMP_RSA:
945 if ( (cert->rsa_tmp == NULL) &&
946 ((cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
947 (EVP_PKEY_size(cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8)))
948 )
949 return(1);
950 else
951 return(0);
952 /* break; */
953 case SSL_CTRL_SET_TMP_RSA:
954 {
955 RSA *rsa;
956 int i;
957
958 rsa=(RSA *)parg;
959 i=1;
960 if (rsa == NULL)
961 i=0;
962 else
963 {
964 if ((rsa=RSAPrivateKey_dup(rsa)) == NULL)
965 i=0;
966 }
967 if (!i)
968 {
969 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_RSA_LIB);
970 return(0);
971 }
972 else
973 {
974 if (cert->rsa_tmp != NULL)
975 RSA_free(cert->rsa_tmp);
976 cert->rsa_tmp=rsa;
977 return(1);
978 }
979 }
980 /* break; */
981 case SSL_CTRL_SET_TMP_RSA_CB:
982 {
983 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
984 return(0);
985 }
986 break;
987#endif
988#ifndef NO_DH
989 case SSL_CTRL_SET_TMP_DH:
990 {
991 DH *new=NULL,*dh;
992
993 dh=(DH *)parg;
994 if ((new=DHparams_dup(dh)) == NULL)
995 {
996 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
997 return 0;
998 }
999 if (!(ctx->options & SSL_OP_SINGLE_DH_USE))
1000 {
1001 if (!DH_generate_key(new))
1002 {
1003 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1004 DH_free(new);
1005 return 0;
1006 }
1007 }
1008 if (cert->dh_tmp != NULL)
1009 DH_free(cert->dh_tmp);
1010 cert->dh_tmp=new;
1011 return 1;
1012 }
1013 /*break; */
1014 case SSL_CTRL_SET_TMP_DH_CB:
1015 {
1016 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1017 return(0);
1018 }
1019 break;
1020#endif
1021 /* A Thawte special :-) */
1022 case SSL_CTRL_EXTRA_CHAIN_CERT:
1023 if (ctx->extra_certs == NULL)
1024 {
1025 if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
1026 return(0);
1027 }
1028 sk_X509_push(ctx->extra_certs,(X509 *)parg);
1029 break;
1030
1031 default:
1032 return(0);
1033 }
1034 return(1);
1035 }
1036
1037long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
1038 {
1039 CERT *cert;
1040
1041 cert=ctx->cert;
1042
1043 switch (cmd)
1044 {
1045#ifndef NO_RSA
1046 case SSL_CTRL_SET_TMP_RSA_CB:
1047 {
1048 cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1049 }
1050 break;
1051#endif
1052#ifndef NO_DH
1053 case SSL_CTRL_SET_TMP_DH_CB:
1054 {
1055 cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1056 }
1057 break;
1058#endif
1059 default:
1060 return(0);
1061 }
1062 return(1);
1063 }
1064
1065/* This function needs to check if the ciphers required are actually
1066 * available */
1067SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
1068 {
1069 static int init=1;
1070 static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
1071 SSL_CIPHER c,*cp= &c,**cpp;
1072 unsigned long id;
1073 int i;
1074
1075 if (init)
1076 {
1077 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
1078
1079 for (i=0; i<SSL3_NUM_CIPHERS; i++)
1080 sorted[i]= &(ssl3_ciphers[i]);
1081
1082 qsort( (char *)sorted,
1083 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1084 FP_ICC ssl_cipher_ptr_id_cmp);
1085
1086 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
1087
1088 init=0;
1089 }
1090
1091 id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
1092 c.id=id;
1093 cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
1094 (char *)sorted,
1095 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1096 FP_ICC ssl_cipher_ptr_id_cmp);
1097 if ((cpp == NULL) || !(*cpp)->valid)
1098 return(NULL);
1099 else
1100 return(*cpp);
1101 }
1102
1103int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
1104 {
1105 long l;
1106
1107 if (p != NULL)
1108 {
1109 l=c->id;
1110 if ((l & 0xff000000) != 0x03000000) return(0);
1111 p[0]=((unsigned char)(l>> 8L))&0xFF;
1112 p[1]=((unsigned char)(l ))&0xFF;
1113 }
1114 return(2);
1115 }
1116
1117SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *have,
1118 STACK_OF(SSL_CIPHER) *pref)
1119 {
1120 SSL_CIPHER *c,*ret=NULL;
1121 int i,j,ok;
1122 CERT *cert;
1123 unsigned long alg,mask,emask;
1124
1125 /* Let's see which ciphers we can support */
1126 cert=s->cert;
1127
1128 sk_SSL_CIPHER_set_cmp_func(pref,ssl_cipher_ptr_id_cmp);
1129
1130#ifdef CIPHER_DEBUG
1131 printf("Have:\n");
1132 for(i=0 ; i < sk_num(pref) ; ++i)
1133 {
1134 c=(SSL_CIPHER *)sk_value(pref,i);
1135 printf("%p:%s\n",c,c->name);
1136 }
1137#endif
1138
1139 for (i=0; i<sk_SSL_CIPHER_num(have); i++)
1140 {
1141 c=sk_SSL_CIPHER_value(have,i);
1142
1143 ssl_set_cert_masks(cert,c);
1144 mask=cert->mask;
1145 emask=cert->export_mask;
1146
1147 alg=c->algorithms&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1148 if (SSL_C_IS_EXPORT(c))
1149 {
1150 ok=((alg & emask) == alg)?1:0;
1151#ifdef CIPHER_DEBUG
1152 printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
1153 c,c->name);
1154#endif
1155 }
1156 else
1157 {
1158 ok=((alg & mask) == alg)?1:0;
1159#ifdef CIPHER_DEBUG
1160 printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
1161 c->name);
1162#endif
1163 }
1164
1165 if (!ok) continue;
1166
1167 j=sk_SSL_CIPHER_find(pref,c);
1168 if (j >= 0)
1169 {
1170 ret=sk_SSL_CIPHER_value(pref,j);
1171 break;
1172 }
1173 }
1174 return(ret);
1175 }
1176
1177int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
1178 {
1179 int ret=0;
1180 unsigned long alg;
1181
1182 alg=s->s3->tmp.new_cipher->algorithms;
1183
1184#ifndef NO_DH
1185 if (alg & (SSL_kDHr|SSL_kEDH))
1186 {
1187# ifndef NO_RSA
1188 p[ret++]=SSL3_CT_RSA_FIXED_DH;
1189# endif
1190# ifndef NO_DSA
1191 p[ret++]=SSL3_CT_DSS_FIXED_DH;
1192# endif
1193 }
1194 if ((s->version == SSL3_VERSION) &&
1195 (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
1196 {
1197# ifndef NO_RSA
1198 p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
1199# endif
1200# ifndef NO_DSA
1201 p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
1202# endif
1203 }
1204#endif /* !NO_DH */
1205#ifndef NO_RSA
1206 p[ret++]=SSL3_CT_RSA_SIGN;
1207#endif
1208#ifndef NO_DSA
1209 p[ret++]=SSL3_CT_DSS_SIGN;
1210#endif
1211 return(ret);
1212 }
1213
1214int ssl3_shutdown(SSL *s)
1215 {
1216
1217 /* Don't do anything much if we have not done the handshake or
1218 * we don't want to send messages :-) */
1219 if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
1220 {
1221 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1222 return(1);
1223 }
1224
1225 if (!(s->shutdown & SSL_SENT_SHUTDOWN))
1226 {
1227 s->shutdown|=SSL_SENT_SHUTDOWN;
1228#if 1
1229 ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
1230#endif
1231 /* our shutdown alert has been sent now, and if it still needs
1232 * to be written, s->s3->alert_dispatch will be true */
1233 }
1234 else if (s->s3->alert_dispatch)
1235 {
1236 /* resend it if not sent */
1237#if 1
1238 ssl3_dispatch_alert(s);
1239#endif
1240 }
1241 else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
1242 {
1243 /* If we are waiting for a close from our peer, we are closed */
1244 ssl3_read_bytes(s,0,NULL,0,0);
1245 }
1246
1247 if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
1248 !s->s3->alert_dispatch)
1249 return(1);
1250 else
1251 return(0);
1252 }
1253
1254int ssl3_write(SSL *s, const void *buf, int len)
1255 {
1256 int ret,n;
1257
1258#if 0
1259 if (s->shutdown & SSL_SEND_SHUTDOWN)
1260 {
1261 s->rwstate=SSL_NOTHING;
1262 return(0);
1263 }
1264#endif
1265 clear_sys_error();
1266 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1267
1268 /* This is an experimental flag that sends the
1269 * last handshake message in the same packet as the first
1270 * use data - used to see if it helps the TCP protocol during
1271 * session-id reuse */
1272 /* The second test is because the buffer may have been removed */
1273 if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
1274 {
1275 /* First time through, we write into the buffer */
1276 if (s->s3->delay_buf_pop_ret == 0)
1277 {
1278 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1279 buf,len);
1280 if (ret <= 0) return(ret);
1281
1282 s->s3->delay_buf_pop_ret=ret;
1283 }
1284
1285 s->rwstate=SSL_WRITING;
1286 n=BIO_flush(s->wbio);
1287 if (n <= 0) return(n);
1288 s->rwstate=SSL_NOTHING;
1289
1290 /* We have flushed the buffer, so remove it */
1291 ssl_free_wbio_buffer(s);
1292 s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
1293
1294 ret=s->s3->delay_buf_pop_ret;
1295 s->s3->delay_buf_pop_ret=0;
1296 }
1297 else
1298 {
1299 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1300 buf,len);
1301 if (ret <= 0) return(ret);
1302 }
1303
1304 return(ret);
1305 }
1306
1307static int ssl3_read_internal(SSL *s, void *buf, int len, int peek)
1308 {
1309 int ret;
1310
1311 clear_sys_error();
1312 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1313 s->s3->in_read_app_data=1;
1314 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1315 if ((ret == -1) && (s->s3->in_read_app_data == 0))
1316 {
1317 /* ssl3_read_bytes decided to call s->handshake_func, which
1318 * called ssl3_read_bytes to read handshake data.
1319 * However, ssl3_read_bytes actually found application data
1320 * and thinks that application data makes sense here (signalled
1321 * by resetting 'in_read_app_data', strangely); so disable
1322 * handshake processing and try to read application data again. */
1323 s->in_handshake++;
1324 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1325 s->in_handshake--;
1326 }
1327 else
1328 s->s3->in_read_app_data=0;
1329
1330 return(ret);
1331 }
1332
1333int ssl3_read(SSL *s, void *buf, int len)
1334 {
1335 return ssl3_read_internal(s, buf, len, 0);
1336 }
1337
1338int ssl3_peek(SSL *s, void *buf, int len)
1339 {
1340 return ssl3_read_internal(s, buf, len, 1);
1341 }
1342
1343int ssl3_renegotiate(SSL *s)
1344 {
1345 if (s->handshake_func == NULL)
1346 return(1);
1347
1348 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
1349 return(0);
1350
1351 s->s3->renegotiate=1;
1352 return(1);
1353 }
1354
1355int ssl3_renegotiate_check(SSL *s)
1356 {
1357 int ret=0;
1358
1359 if (s->s3->renegotiate)
1360 {
1361 if ( (s->s3->rbuf.left == 0) &&
1362 (s->s3->wbuf.left == 0) &&
1363 !SSL_in_init(s))
1364 {
1365/*
1366if we are the server, and we have sent a 'RENEGOTIATE' message, we
1367need to go to SSL_ST_ACCEPT.
1368*/
1369 /* SSL_ST_ACCEPT */
1370 s->state=SSL_ST_RENEGOTIATE;
1371 s->s3->renegotiate=0;
1372 s->s3->num_renegotiations++;
1373 s->s3->total_renegotiations++;
1374 ret=1;
1375 }
1376 }
1377 return(ret);
1378 }
1379
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-16 23:19:05 +0000