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Changes to the Kerberos SSL code by Jeffrey Altman <jaltman@columbia.edu>
[thirdparty/openssl.git] / ssl / s3_lib.c
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/objects.h>
114 #include "ssl_locl.h"
115
116 const char *ssl3_version_str="SSLv3" OPENSSL_VERSION_PTEXT;
117
118 #define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers)/sizeof(SSL_CIPHER))
119
120 static long ssl3_default_timeout(void );
121
122 OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
123 /* The RSA ciphers */
124 /* Cipher 01 */
125 {
126 1,
127 SSL3_TXT_RSA_NULL_MD5,
128 SSL3_CK_RSA_NULL_MD5,
129 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_MD5|SSL_SSLV3,
130 SSL_NOT_EXP,
131 0,
132 0,
133 0,
134 SSL_ALL_CIPHERS,
135 SSL_ALL_STRENGTHS,
136 },
137 /* Cipher 02 */
138 {
139 1,
140 SSL3_TXT_RSA_NULL_SHA,
141 SSL3_CK_RSA_NULL_SHA,
142 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_SHA1|SSL_SSLV3,
143 SSL_NOT_EXP,
144 0,
145 0,
146 0,
147 SSL_ALL_CIPHERS,
148 SSL_ALL_STRENGTHS,
149 },
150
151 /* anon DH */
152 /* Cipher 17 */
153 {
154 1,
155 SSL3_TXT_ADH_RC4_40_MD5,
156 SSL3_CK_ADH_RC4_40_MD5,
157 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
158 SSL_EXPORT|SSL_EXP40,
159 0,
160 40,
161 128,
162 SSL_ALL_CIPHERS,
163 SSL_ALL_STRENGTHS,
164 },
165 /* Cipher 18 */
166 {
167 1,
168 SSL3_TXT_ADH_RC4_128_MD5,
169 SSL3_CK_ADH_RC4_128_MD5,
170 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
171 SSL_NOT_EXP,
172 0,
173 128,
174 128,
175 SSL_ALL_CIPHERS,
176 SSL_ALL_STRENGTHS,
177 },
178 /* Cipher 19 */
179 {
180 1,
181 SSL3_TXT_ADH_DES_40_CBC_SHA,
182 SSL3_CK_ADH_DES_40_CBC_SHA,
183 SSL_kEDH |SSL_aNULL|SSL_DES|SSL_SHA1|SSL_SSLV3,
184 SSL_EXPORT|SSL_EXP40,
185 0,
186 40,
187 128,
188 SSL_ALL_CIPHERS,
189 SSL_ALL_STRENGTHS,
190 },
191 /* Cipher 1A */
192 {
193 1,
194 SSL3_TXT_ADH_DES_64_CBC_SHA,
195 SSL3_CK_ADH_DES_64_CBC_SHA,
196 SSL_kEDH |SSL_aNULL|SSL_DES |SSL_SHA1|SSL_SSLV3,
197 SSL_NOT_EXP,
198 0,
199 56,
200 56,
201 SSL_ALL_CIPHERS,
202 SSL_ALL_STRENGTHS,
203 },
204 /* Cipher 1B */
205 {
206 1,
207 SSL3_TXT_ADH_DES_192_CBC_SHA,
208 SSL3_CK_ADH_DES_192_CBC_SHA,
209 SSL_kEDH |SSL_aNULL|SSL_3DES |SSL_SHA1|SSL_SSLV3,
210 SSL_NOT_EXP,
211 0,
212 168,
213 168,
214 SSL_ALL_CIPHERS,
215 SSL_ALL_STRENGTHS,
216 },
217
218 /* RSA again */
219 /* Cipher 03 */
220 {
221 1,
222 SSL3_TXT_RSA_RC4_40_MD5,
223 SSL3_CK_RSA_RC4_40_MD5,
224 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
225 SSL_EXPORT|SSL_EXP40,
226 0,
227 40,
228 128,
229 SSL_ALL_CIPHERS,
230 SSL_ALL_STRENGTHS,
231 },
232 /* Cipher 04 */
233 {
234 1,
235 SSL3_TXT_RSA_RC4_128_MD5,
236 SSL3_CK_RSA_RC4_128_MD5,
237 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5|SSL_SSLV3,
238 SSL_NOT_EXP|SSL_MEDIUM,
239 0,
240 128,
241 128,
242 SSL_ALL_CIPHERS,
243 SSL_ALL_STRENGTHS,
244 },
245 /* Cipher 05 */
246 {
247 1,
248 SSL3_TXT_RSA_RC4_128_SHA,
249 SSL3_CK_RSA_RC4_128_SHA,
250 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_SHA1|SSL_SSLV3,
251 SSL_NOT_EXP|SSL_MEDIUM,
252 0,
253 128,
254 128,
255 SSL_ALL_CIPHERS,
256 SSL_ALL_STRENGTHS,
257 },
258 /* Cipher 06 */
259 {
260 1,
261 SSL3_TXT_RSA_RC2_40_MD5,
262 SSL3_CK_RSA_RC2_40_MD5,
263 SSL_kRSA|SSL_aRSA|SSL_RC2 |SSL_MD5 |SSL_SSLV3,
264 SSL_EXPORT|SSL_EXP40,
265 0,
266 40,
267 128,
268 SSL_ALL_CIPHERS,
269 SSL_ALL_STRENGTHS,
270 },
271 /* Cipher 07 */
272 {
273 1,
274 SSL3_TXT_RSA_IDEA_128_SHA,
275 SSL3_CK_RSA_IDEA_128_SHA,
276 SSL_kRSA|SSL_aRSA|SSL_IDEA |SSL_SHA1|SSL_SSLV3,
277 SSL_NOT_EXP|SSL_MEDIUM,
278 0,
279 128,
280 128,
281 SSL_ALL_CIPHERS,
282 SSL_ALL_STRENGTHS,
283 },
284 /* Cipher 08 */
285 {
286 1,
287 SSL3_TXT_RSA_DES_40_CBC_SHA,
288 SSL3_CK_RSA_DES_40_CBC_SHA,
289 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
290 SSL_EXPORT|SSL_EXP40,
291 0,
292 40,
293 56,
294 SSL_ALL_CIPHERS,
295 SSL_ALL_STRENGTHS,
296 },
297 /* Cipher 09 */
298 {
299 1,
300 SSL3_TXT_RSA_DES_64_CBC_SHA,
301 SSL3_CK_RSA_DES_64_CBC_SHA,
302 SSL_kRSA|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
303 SSL_NOT_EXP|SSL_LOW,
304 0,
305 56,
306 56,
307 SSL_ALL_CIPHERS,
308 SSL_ALL_STRENGTHS,
309 },
310 /* Cipher 0A */
311 {
312 1,
313 SSL3_TXT_RSA_DES_192_CBC3_SHA,
314 SSL3_CK_RSA_DES_192_CBC3_SHA,
315 SSL_kRSA|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
316 SSL_NOT_EXP|SSL_HIGH,
317 0,
318 168,
319 168,
320 SSL_ALL_CIPHERS,
321 SSL_ALL_STRENGTHS,
322 },
323
324 /* The DH ciphers */
325 /* Cipher 0B */
326 {
327 0,
328 SSL3_TXT_DH_DSS_DES_40_CBC_SHA,
329 SSL3_CK_DH_DSS_DES_40_CBC_SHA,
330 SSL_kDHd |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
331 SSL_EXPORT|SSL_EXP40,
332 0,
333 40,
334 56,
335 SSL_ALL_CIPHERS,
336 SSL_ALL_STRENGTHS,
337 },
338 /* Cipher 0C */
339 {
340 0,
341 SSL3_TXT_DH_DSS_DES_64_CBC_SHA,
342 SSL3_CK_DH_DSS_DES_64_CBC_SHA,
343 SSL_kDHd |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
344 SSL_NOT_EXP|SSL_LOW,
345 0,
346 56,
347 56,
348 SSL_ALL_CIPHERS,
349 SSL_ALL_STRENGTHS,
350 },
351 /* Cipher 0D */
352 {
353 0,
354 SSL3_TXT_DH_DSS_DES_192_CBC3_SHA,
355 SSL3_CK_DH_DSS_DES_192_CBC3_SHA,
356 SSL_kDHd |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
357 SSL_NOT_EXP|SSL_HIGH,
358 0,
359 168,
360 168,
361 SSL_ALL_CIPHERS,
362 SSL_ALL_STRENGTHS,
363 },
364 /* Cipher 0E */
365 {
366 0,
367 SSL3_TXT_DH_RSA_DES_40_CBC_SHA,
368 SSL3_CK_DH_RSA_DES_40_CBC_SHA,
369 SSL_kDHr |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
370 SSL_EXPORT|SSL_EXP40,
371 0,
372 40,
373 56,
374 SSL_ALL_CIPHERS,
375 SSL_ALL_STRENGTHS,
376 },
377 /* Cipher 0F */
378 {
379 0,
380 SSL3_TXT_DH_RSA_DES_64_CBC_SHA,
381 SSL3_CK_DH_RSA_DES_64_CBC_SHA,
382 SSL_kDHr |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
383 SSL_NOT_EXP|SSL_LOW,
384 0,
385 56,
386 56,
387 SSL_ALL_CIPHERS,
388 SSL_ALL_STRENGTHS,
389 },
390 /* Cipher 10 */
391 {
392 0,
393 SSL3_TXT_DH_RSA_DES_192_CBC3_SHA,
394 SSL3_CK_DH_RSA_DES_192_CBC3_SHA,
395 SSL_kDHr |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
396 SSL_NOT_EXP|SSL_HIGH,
397 0,
398 168,
399 168,
400 SSL_ALL_CIPHERS,
401 SSL_ALL_STRENGTHS,
402 },
403
404 /* The Ephemeral DH ciphers */
405 /* Cipher 11 */
406 {
407 1,
408 SSL3_TXT_EDH_DSS_DES_40_CBC_SHA,
409 SSL3_CK_EDH_DSS_DES_40_CBC_SHA,
410 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA1|SSL_SSLV3,
411 SSL_EXPORT|SSL_EXP40,
412 0,
413 40,
414 56,
415 SSL_ALL_CIPHERS,
416 SSL_ALL_STRENGTHS,
417 },
418 /* Cipher 12 */
419 {
420 1,
421 SSL3_TXT_EDH_DSS_DES_64_CBC_SHA,
422 SSL3_CK_EDH_DSS_DES_64_CBC_SHA,
423 SSL_kEDH|SSL_aDSS|SSL_DES |SSL_SHA1|SSL_SSLV3,
424 SSL_NOT_EXP|SSL_LOW,
425 0,
426 56,
427 56,
428 SSL_ALL_CIPHERS,
429 SSL_ALL_STRENGTHS,
430 },
431 /* Cipher 13 */
432 {
433 1,
434 SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA,
435 SSL3_CK_EDH_DSS_DES_192_CBC3_SHA,
436 SSL_kEDH|SSL_aDSS|SSL_3DES |SSL_SHA1|SSL_SSLV3,
437 SSL_NOT_EXP|SSL_HIGH,
438 0,
439 168,
440 168,
441 SSL_ALL_CIPHERS,
442 SSL_ALL_STRENGTHS,
443 },
444 /* Cipher 14 */
445 {
446 1,
447 SSL3_TXT_EDH_RSA_DES_40_CBC_SHA,
448 SSL3_CK_EDH_RSA_DES_40_CBC_SHA,
449 SSL_kEDH|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
450 SSL_EXPORT|SSL_EXP40,
451 0,
452 40,
453 56,
454 SSL_ALL_CIPHERS,
455 SSL_ALL_STRENGTHS,
456 },
457 /* Cipher 15 */
458 {
459 1,
460 SSL3_TXT_EDH_RSA_DES_64_CBC_SHA,
461 SSL3_CK_EDH_RSA_DES_64_CBC_SHA,
462 SSL_kEDH|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
463 SSL_NOT_EXP|SSL_LOW,
464 0,
465 56,
466 56,
467 SSL_ALL_CIPHERS,
468 SSL_ALL_STRENGTHS,
469 },
470 /* Cipher 16 */
471 {
472 1,
473 SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA,
474 SSL3_CK_EDH_RSA_DES_192_CBC3_SHA,
475 SSL_kEDH|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
476 SSL_NOT_EXP|SSL_HIGH,
477 0,
478 168,
479 168,
480 SSL_ALL_CIPHERS,
481 SSL_ALL_STRENGTHS,
482 },
483
484 /* Fortezza */
485 /* Cipher 1C */
486 {
487 0,
488 SSL3_TXT_FZA_DMS_NULL_SHA,
489 SSL3_CK_FZA_DMS_NULL_SHA,
490 SSL_kFZA|SSL_aFZA |SSL_eNULL |SSL_SHA1|SSL_SSLV3,
491 SSL_NOT_EXP,
492 0,
493 0,
494 0,
495 SSL_ALL_CIPHERS,
496 SSL_ALL_STRENGTHS,
497 },
498
499 /* Cipher 1D */
500 {
501 0,
502 SSL3_TXT_FZA_DMS_FZA_SHA,
503 SSL3_CK_FZA_DMS_FZA_SHA,
504 SSL_kFZA|SSL_aFZA |SSL_eFZA |SSL_SHA1|SSL_SSLV3,
505 SSL_NOT_EXP,
506 0,
507 0,
508 0,
509 SSL_ALL_CIPHERS,
510 SSL_ALL_STRENGTHS,
511 },
512
513 /* Cipher 1E */
514 {
515 0,
516 SSL3_TXT_FZA_DMS_RC4_SHA,
517 SSL3_CK_FZA_DMS_RC4_SHA,
518 SSL_kFZA|SSL_aFZA |SSL_RC4 |SSL_SHA1|SSL_SSLV3,
519 SSL_NOT_EXP,
520 0,
521 128,
522 128,
523 SSL_ALL_CIPHERS,
524 SSL_ALL_STRENGTHS,
525 },
526
527 #ifndef OPENSSL_NO_KRB5
528 /* The Kerberos ciphers
529 ** 20000107 VRS: And the first shall be last,
530 ** in hopes of avoiding the lynx ssl renegotiation problem.
531 */
532 /* Cipher 21 VRS */
533 {
534 1,
535 SSL3_TXT_KRB5_DES_40_CBC_SHA,
536 SSL3_CK_KRB5_DES_40_CBC_SHA,
537 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
538 SSL_EXPORT|SSL_EXP40,
539 0,
540 40,
541 56,
542 SSL_ALL_CIPHERS,
543 SSL_ALL_STRENGTHS,
544 },
545
546 /* Cipher 22 VRS */
547 {
548 1,
549 SSL3_TXT_KRB5_DES_40_CBC_MD5,
550 SSL3_CK_KRB5_DES_40_CBC_MD5,
551 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
552 SSL_EXPORT|SSL_EXP40,
553 0,
554 40,
555 56,
556 SSL_ALL_CIPHERS,
557 SSL_ALL_STRENGTHS,
558 },
559
560 /* Cipher 23 VRS */
561 {
562 1,
563 SSL3_TXT_KRB5_DES_64_CBC_SHA,
564 SSL3_CK_KRB5_DES_64_CBC_SHA,
565 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
566 SSL_NOT_EXP|SSL_LOW,
567 0,
568 56,
569 56,
570 SSL_ALL_CIPHERS,
571 SSL_ALL_STRENGTHS,
572 },
573
574 /* Cipher 24 VRS */
575 {
576 1,
577 SSL3_TXT_KRB5_DES_64_CBC_MD5,
578 SSL3_CK_KRB5_DES_64_CBC_MD5,
579 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
580 SSL_NOT_EXP|SSL_LOW,
581 0,
582 56,
583 56,
584 SSL_ALL_CIPHERS,
585 SSL_ALL_STRENGTHS,
586 },
587
588 /* Cipher 25 VRS */
589 {
590 1,
591 SSL3_TXT_KRB5_DES_192_CBC3_SHA,
592 SSL3_CK_KRB5_DES_192_CBC3_SHA,
593 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_SHA1 |SSL_SSLV3,
594 SSL_NOT_EXP|SSL_HIGH,
595 0,
596 112,
597 168,
598 SSL_ALL_CIPHERS,
599 SSL_ALL_STRENGTHS,
600 },
601
602 /* Cipher 26 VRS */
603 {
604 1,
605 SSL3_TXT_KRB5_DES_192_CBC3_MD5,
606 SSL3_CK_KRB5_DES_192_CBC3_MD5,
607 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_MD5 |SSL_SSLV3,
608 SSL_NOT_EXP|SSL_HIGH,
609 0,
610 112,
611 168,
612 SSL_ALL_CIPHERS,
613 SSL_ALL_STRENGTHS,
614 },
615 #endif /* OPENSSL_NO_KRB5 */
616
617
618 #if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
619 /* New TLS Export CipherSuites */
620 /* Cipher 60 */
621 {
622 1,
623 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5,
624 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5,
625 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_TLSV1,
626 SSL_EXPORT|SSL_EXP56,
627 0,
628 56,
629 128,
630 SSL_ALL_CIPHERS,
631 SSL_ALL_STRENGTHS,
632 },
633 /* Cipher 61 */
634 {
635 1,
636 TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
637 TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
638 SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_TLSV1,
639 SSL_EXPORT|SSL_EXP56,
640 0,
641 56,
642 128,
643 SSL_ALL_CIPHERS,
644 SSL_ALL_STRENGTHS,
645 },
646 /* Cipher 62 */
647 {
648 1,
649 TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA,
650 TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA,
651 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA|SSL_TLSV1,
652 SSL_EXPORT|SSL_EXP56,
653 0,
654 56,
655 56,
656 SSL_ALL_CIPHERS,
657 SSL_ALL_STRENGTHS,
658 },
659 /* Cipher 63 */
660 {
661 1,
662 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
663 TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
664 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA|SSL_TLSV1,
665 SSL_EXPORT|SSL_EXP56,
666 0,
667 56,
668 56,
669 SSL_ALL_CIPHERS,
670 SSL_ALL_STRENGTHS,
671 },
672 /* Cipher 64 */
673 {
674 1,
675 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA,
676 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA,
677 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
678 SSL_EXPORT|SSL_EXP56,
679 0,
680 56,
681 128,
682 SSL_ALL_CIPHERS,
683 SSL_ALL_STRENGTHS,
684 },
685 /* Cipher 65 */
686 {
687 1,
688 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
689 TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
690 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
691 SSL_EXPORT|SSL_EXP56,
692 0,
693 56,
694 128,
695 SSL_ALL_CIPHERS,
696 SSL_ALL_STRENGTHS,
697 },
698 /* Cipher 66 */
699 {
700 1,
701 TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA,
702 TLS1_CK_DHE_DSS_WITH_RC4_128_SHA,
703 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
704 SSL_NOT_EXP,
705 0,
706 128,
707 128,
708 SSL_ALL_CIPHERS,
709 SSL_ALL_STRENGTHS
710 },
711 #endif
712 /* New AES ciphersuites */
713
714 /* Cipher 2F */
715 {
716 1,
717 TLS1_TXT_RSA_WITH_AES_128_SHA,
718 TLS1_CK_RSA_WITH_AES_128_SHA,
719 SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
720 SSL_NOT_EXP|SSL_MEDIUM,
721 0,
722 128,
723 128,
724 SSL_ALL_CIPHERS,
725 SSL_ALL_STRENGTHS,
726 },
727 /* Cipher 30 */
728 {
729 0,
730 TLS1_TXT_DH_DSS_WITH_AES_128_SHA,
731 TLS1_CK_DH_DSS_WITH_AES_128_SHA,
732 SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
733 SSL_NOT_EXP|SSL_MEDIUM,
734 0,
735 128,
736 128,
737 SSL_ALL_CIPHERS,
738 SSL_ALL_STRENGTHS,
739 },
740 /* Cipher 31 */
741 {
742 0,
743 TLS1_TXT_DH_RSA_WITH_AES_128_SHA,
744 TLS1_CK_DH_RSA_WITH_AES_128_SHA,
745 SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
746 SSL_NOT_EXP|SSL_MEDIUM,
747 0,
748 128,
749 128,
750 SSL_ALL_CIPHERS,
751 SSL_ALL_STRENGTHS,
752 },
753 /* Cipher 32 */
754 {
755 1,
756 TLS1_TXT_DHE_DSS_WITH_AES_128_SHA,
757 TLS1_CK_DHE_DSS_WITH_AES_128_SHA,
758 SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
759 SSL_NOT_EXP|SSL_MEDIUM,
760 0,
761 128,
762 128,
763 SSL_ALL_CIPHERS,
764 SSL_ALL_STRENGTHS,
765 },
766 /* Cipher 33 */
767 {
768 1,
769 TLS1_TXT_DHE_RSA_WITH_AES_128_SHA,
770 TLS1_CK_DHE_RSA_WITH_AES_128_SHA,
771 SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
772 SSL_NOT_EXP|SSL_MEDIUM,
773 0,
774 128,
775 128,
776 SSL_ALL_CIPHERS,
777 SSL_ALL_STRENGTHS,
778 },
779 /* Cipher 34 */
780 {
781 1,
782 TLS1_TXT_ADH_WITH_AES_128_SHA,
783 TLS1_CK_ADH_WITH_AES_128_SHA,
784 SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
785 SSL_NOT_EXP|SSL_MEDIUM,
786 0,
787 128,
788 128,
789 SSL_ALL_CIPHERS,
790 SSL_ALL_STRENGTHS,
791 },
792
793 /* Cipher 35 */
794 {
795 1,
796 TLS1_TXT_RSA_WITH_AES_256_SHA,
797 TLS1_CK_RSA_WITH_AES_256_SHA,
798 SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
799 SSL_NOT_EXP|SSL_HIGH,
800 0,
801 256,
802 256,
803 SSL_ALL_CIPHERS,
804 SSL_ALL_STRENGTHS,
805 },
806 /* Cipher 36 */
807 {
808 0,
809 TLS1_TXT_DH_DSS_WITH_AES_256_SHA,
810 TLS1_CK_DH_DSS_WITH_AES_256_SHA,
811 SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
812 SSL_NOT_EXP|SSL_HIGH,
813 0,
814 256,
815 256,
816 SSL_ALL_CIPHERS,
817 SSL_ALL_STRENGTHS,
818 },
819 /* Cipher 37 */
820 {
821 0,
822 TLS1_TXT_DH_RSA_WITH_AES_256_SHA,
823 TLS1_CK_DH_RSA_WITH_AES_256_SHA,
824 SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
825 SSL_NOT_EXP|SSL_HIGH,
826 0,
827 256,
828 256,
829 SSL_ALL_CIPHERS,
830 SSL_ALL_STRENGTHS,
831 },
832 /* Cipher 38 */
833 {
834 1,
835 TLS1_TXT_DHE_DSS_WITH_AES_256_SHA,
836 TLS1_CK_DHE_DSS_WITH_AES_256_SHA,
837 SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
838 SSL_NOT_EXP|SSL_HIGH,
839 0,
840 256,
841 256,
842 SSL_ALL_CIPHERS,
843 SSL_ALL_STRENGTHS,
844 },
845 /* Cipher 39 */
846 {
847 1,
848 TLS1_TXT_DHE_RSA_WITH_AES_256_SHA,
849 TLS1_CK_DHE_RSA_WITH_AES_256_SHA,
850 SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
851 SSL_NOT_EXP|SSL_HIGH,
852 0,
853 256,
854 256,
855 SSL_ALL_CIPHERS,
856 SSL_ALL_STRENGTHS,
857 },
858 /* Cipher 3A */
859 {
860 1,
861 TLS1_TXT_ADH_WITH_AES_256_SHA,
862 TLS1_CK_ADH_WITH_AES_256_SHA,
863 SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
864 SSL_NOT_EXP|SSL_HIGH,
865 0,
866 256,
867 256,
868 SSL_ALL_CIPHERS,
869 SSL_ALL_STRENGTHS,
870 },
871
872 /* end of list */
873 };
874
875 static SSL3_ENC_METHOD SSLv3_enc_data={
876 ssl3_enc,
877 ssl3_mac,
878 ssl3_setup_key_block,
879 ssl3_generate_master_secret,
880 ssl3_change_cipher_state,
881 ssl3_final_finish_mac,
882 MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
883 ssl3_cert_verify_mac,
884 SSL3_MD_CLIENT_FINISHED_CONST,4,
885 SSL3_MD_SERVER_FINISHED_CONST,4,
886 ssl3_alert_code,
887 };
888
889 static SSL_METHOD SSLv3_data= {
890 SSL3_VERSION,
891 ssl3_new,
892 ssl3_clear,
893 ssl3_free,
894 ssl_undefined_function,
895 ssl_undefined_function,
896 ssl3_read,
897 ssl3_peek,
898 ssl3_write,
899 ssl3_shutdown,
900 ssl3_renegotiate,
901 ssl3_renegotiate_check,
902 ssl3_ctrl,
903 ssl3_ctx_ctrl,
904 ssl3_get_cipher_by_char,
905 ssl3_put_cipher_by_char,
906 ssl3_pending,
907 ssl3_num_ciphers,
908 ssl3_get_cipher,
909 ssl_bad_method,
910 ssl3_default_timeout,
911 &SSLv3_enc_data,
912 ssl_undefined_function,
913 ssl3_callback_ctrl,
914 ssl3_ctx_callback_ctrl,
915 };
916
917 static long ssl3_default_timeout(void)
918 {
919 /* 2 hours, the 24 hours mentioned in the SSLv3 spec
920 * is way too long for http, the cache would over fill */
921 return(60*60*2);
922 }
923
924 SSL_METHOD *sslv3_base_method(void)
925 {
926 return(&SSLv3_data);
927 }
928
929 int ssl3_num_ciphers(void)
930 {
931 return(SSL3_NUM_CIPHERS);
932 }
933
934 SSL_CIPHER *ssl3_get_cipher(unsigned int u)
935 {
936 if (u < SSL3_NUM_CIPHERS)
937 return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
938 else
939 return(NULL);
940 }
941
942 int ssl3_pending(SSL *s)
943 {
944 return (s->s3->rrec.type == SSL3_RT_APPLICATION_DATA) ? s->s3->rrec.length : 0;
945 }
946
947 int ssl3_new(SSL *s)
948 {
949 SSL3_STATE *s3;
950
951 if ((s3=OPENSSL_malloc(sizeof *s3)) == NULL) goto err;
952 memset(s3,0,sizeof *s3);
953
954 s->s3=s3;
955
956 s->method->ssl_clear(s);
957 return(1);
958 err:
959 return(0);
960 }
961
962 void ssl3_free(SSL *s)
963 {
964 if(s == NULL)
965 return;
966
967 ssl3_cleanup_key_block(s);
968 if (s->s3->rbuf.buf != NULL)
969 OPENSSL_free(s->s3->rbuf.buf);
970 if (s->s3->wbuf.buf != NULL)
971 OPENSSL_free(s->s3->wbuf.buf);
972 if (s->s3->rrec.comp != NULL)
973 OPENSSL_free(s->s3->rrec.comp);
974 #ifndef OPENSSL_NO_DH
975 if (s->s3->tmp.dh != NULL)
976 DH_free(s->s3->tmp.dh);
977 #endif
978 if (s->s3->tmp.ca_names != NULL)
979 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
980 memset(s->s3,0,sizeof *s->s3);
981 OPENSSL_free(s->s3);
982 s->s3=NULL;
983 }
984
985 void ssl3_clear(SSL *s)
986 {
987 unsigned char *rp,*wp;
988
989 ssl3_cleanup_key_block(s);
990 if (s->s3->tmp.ca_names != NULL)
991 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
992
993 if (s->s3->rrec.comp != NULL)
994 {
995 OPENSSL_free(s->s3->rrec.comp);
996 s->s3->rrec.comp=NULL;
997 }
998 #ifndef OPENSSL_NO_DH
999 if (s->s3->tmp.dh != NULL)
1000 DH_free(s->s3->tmp.dh);
1001 #endif
1002
1003 rp=s->s3->rbuf.buf;
1004 wp=s->s3->wbuf.buf;
1005
1006 memset(s->s3,0,sizeof *s->s3);
1007 if (rp != NULL) s->s3->rbuf.buf=rp;
1008 if (wp != NULL) s->s3->wbuf.buf=wp;
1009
1010 ssl_free_wbio_buffer(s);
1011
1012 s->packet_length=0;
1013 s->s3->renegotiate=0;
1014 s->s3->total_renegotiations=0;
1015 s->s3->num_renegotiations=0;
1016 s->s3->in_read_app_data=0;
1017 s->version=SSL3_VERSION;
1018 }
1019
1020 long ssl3_ctrl(SSL *s, int cmd, long larg, char *parg)
1021 {
1022 int ret=0;
1023
1024 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1025 if (
1026 #ifndef OPENSSL_NO_RSA
1027 cmd == SSL_CTRL_SET_TMP_RSA ||
1028 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1029 #endif
1030 #ifndef OPENSSL_NO_DSA
1031 cmd == SSL_CTRL_SET_TMP_DH ||
1032 cmd == SSL_CTRL_SET_TMP_DH_CB ||
1033 #endif
1034 0)
1035 {
1036 if (!ssl_cert_inst(&s->cert))
1037 {
1038 SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
1039 return(0);
1040 }
1041 }
1042 #endif
1043
1044 switch (cmd)
1045 {
1046 case SSL_CTRL_GET_SESSION_REUSED:
1047 ret=s->hit;
1048 break;
1049 case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
1050 break;
1051 case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
1052 ret=s->s3->num_renegotiations;
1053 break;
1054 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
1055 ret=s->s3->num_renegotiations;
1056 s->s3->num_renegotiations=0;
1057 break;
1058 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
1059 ret=s->s3->total_renegotiations;
1060 break;
1061 case SSL_CTRL_GET_FLAGS:
1062 ret=(int)(s->s3->flags);
1063 break;
1064 #ifndef OPENSSL_NO_RSA
1065 case SSL_CTRL_NEED_TMP_RSA:
1066 if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
1067 ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1068 (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
1069 ret = 1;
1070 break;
1071 case SSL_CTRL_SET_TMP_RSA:
1072 {
1073 RSA *rsa = (RSA *)parg;
1074 if (rsa == NULL)
1075 {
1076 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1077 return(ret);
1078 }
1079 if ((rsa = RSAPrivateKey_dup(rsa)) == NULL)
1080 {
1081 SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
1082 return(ret);
1083 }
1084 if (s->cert->rsa_tmp != NULL)
1085 RSA_free(s->cert->rsa_tmp);
1086 s->cert->rsa_tmp = rsa;
1087 ret = 1;
1088 }
1089 break;
1090 case SSL_CTRL_SET_TMP_RSA_CB:
1091 {
1092 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1093 return(ret);
1094 }
1095 break;
1096 #endif
1097 #ifndef OPENSSL_NO_DH
1098 case SSL_CTRL_SET_TMP_DH:
1099 {
1100 DH *dh = (DH *)parg;
1101 if (dh == NULL)
1102 {
1103 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1104 return(ret);
1105 }
1106 if ((dh = DHparams_dup(dh)) == NULL)
1107 {
1108 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1109 return(ret);
1110 }
1111 if (!(s->options & SSL_OP_SINGLE_DH_USE))
1112 {
1113 if (!DH_generate_key(dh))
1114 {
1115 DH_free(dh);
1116 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1117 return(ret);
1118 }
1119 }
1120 if (s->cert->dh_tmp != NULL)
1121 DH_free(s->cert->dh_tmp);
1122 s->cert->dh_tmp = dh;
1123 ret = 1;
1124 }
1125 break;
1126 case SSL_CTRL_SET_TMP_DH_CB:
1127 {
1128 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1129 return(ret);
1130 }
1131 break;
1132 #endif
1133 default:
1134 break;
1135 }
1136 return(ret);
1137 }
1138
1139 long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)())
1140 {
1141 int ret=0;
1142
1143 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1144 if (
1145 #ifndef OPENSSL_NO_RSA
1146 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1147 #endif
1148 #ifndef OPENSSL_NO_DSA
1149 cmd == SSL_CTRL_SET_TMP_DH_CB ||
1150 #endif
1151 0)
1152 {
1153 if (!ssl_cert_inst(&s->cert))
1154 {
1155 SSLerr(SSL_F_SSL3_CALLBACK_CTRL, ERR_R_MALLOC_FAILURE);
1156 return(0);
1157 }
1158 }
1159 #endif
1160
1161 switch (cmd)
1162 {
1163 #ifndef OPENSSL_NO_RSA
1164 case SSL_CTRL_SET_TMP_RSA_CB:
1165 {
1166 s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1167 }
1168 break;
1169 #endif
1170 #ifndef OPENSSL_NO_DH
1171 case SSL_CTRL_SET_TMP_DH_CB:
1172 {
1173 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1174 }
1175 break;
1176 #endif
1177 default:
1178 break;
1179 }
1180 return(ret);
1181 }
1182
1183 long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, char *parg)
1184 {
1185 CERT *cert;
1186
1187 cert=ctx->cert;
1188
1189 switch (cmd)
1190 {
1191 #ifndef OPENSSL_NO_RSA
1192 case SSL_CTRL_NEED_TMP_RSA:
1193 if ( (cert->rsa_tmp == NULL) &&
1194 ((cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1195 (EVP_PKEY_size(cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8)))
1196 )
1197 return(1);
1198 else
1199 return(0);
1200 /* break; */
1201 case SSL_CTRL_SET_TMP_RSA:
1202 {
1203 RSA *rsa;
1204 int i;
1205
1206 rsa=(RSA *)parg;
1207 i=1;
1208 if (rsa == NULL)
1209 i=0;
1210 else
1211 {
1212 if ((rsa=RSAPrivateKey_dup(rsa)) == NULL)
1213 i=0;
1214 }
1215 if (!i)
1216 {
1217 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_RSA_LIB);
1218 return(0);
1219 }
1220 else
1221 {
1222 if (cert->rsa_tmp != NULL)
1223 RSA_free(cert->rsa_tmp);
1224 cert->rsa_tmp=rsa;
1225 return(1);
1226 }
1227 }
1228 /* break; */
1229 case SSL_CTRL_SET_TMP_RSA_CB:
1230 {
1231 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1232 return(0);
1233 }
1234 break;
1235 #endif
1236 #ifndef OPENSSL_NO_DH
1237 case SSL_CTRL_SET_TMP_DH:
1238 {
1239 DH *new=NULL,*dh;
1240
1241 dh=(DH *)parg;
1242 if ((new=DHparams_dup(dh)) == NULL)
1243 {
1244 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1245 return 0;
1246 }
1247 if (!(ctx->options & SSL_OP_SINGLE_DH_USE))
1248 {
1249 if (!DH_generate_key(new))
1250 {
1251 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1252 DH_free(new);
1253 return 0;
1254 }
1255 }
1256 if (cert->dh_tmp != NULL)
1257 DH_free(cert->dh_tmp);
1258 cert->dh_tmp=new;
1259 return 1;
1260 }
1261 /*break; */
1262 case SSL_CTRL_SET_TMP_DH_CB:
1263 {
1264 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1265 return(0);
1266 }
1267 break;
1268 #endif
1269 /* A Thawte special :-) */
1270 case SSL_CTRL_EXTRA_CHAIN_CERT:
1271 if (ctx->extra_certs == NULL)
1272 {
1273 if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
1274 return(0);
1275 }
1276 sk_X509_push(ctx->extra_certs,(X509 *)parg);
1277 break;
1278
1279 default:
1280 return(0);
1281 }
1282 return(1);
1283 }
1284
1285 long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
1286 {
1287 CERT *cert;
1288
1289 cert=ctx->cert;
1290
1291 switch (cmd)
1292 {
1293 #ifndef OPENSSL_NO_RSA
1294 case SSL_CTRL_SET_TMP_RSA_CB:
1295 {
1296 cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1297 }
1298 break;
1299 #endif
1300 #ifndef OPENSSL_NO_DH
1301 case SSL_CTRL_SET_TMP_DH_CB:
1302 {
1303 cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1304 }
1305 break;
1306 #endif
1307 default:
1308 return(0);
1309 }
1310 return(1);
1311 }
1312
1313 /* This function needs to check if the ciphers required are actually
1314 * available */
1315 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
1316 {
1317 static int init=1;
1318 static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
1319 SSL_CIPHER c,*cp= &c,**cpp;
1320 unsigned long id;
1321 int i;
1322
1323 if (init)
1324 {
1325 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
1326
1327 for (i=0; i<SSL3_NUM_CIPHERS; i++)
1328 sorted[i]= &(ssl3_ciphers[i]);
1329
1330 qsort( (char *)sorted,
1331 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1332 FP_ICC ssl_cipher_ptr_id_cmp);
1333
1334 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
1335
1336 init=0;
1337 }
1338
1339 id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
1340 c.id=id;
1341 cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
1342 (char *)sorted,
1343 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1344 FP_ICC ssl_cipher_ptr_id_cmp);
1345 if ((cpp == NULL) || !(*cpp)->valid)
1346 return(NULL);
1347 else
1348 return(*cpp);
1349 }
1350
1351 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
1352 {
1353 long l;
1354
1355 if (p != NULL)
1356 {
1357 l=c->id;
1358 if ((l & 0xff000000) != 0x03000000) return(0);
1359 p[0]=((unsigned char)(l>> 8L))&0xFF;
1360 p[1]=((unsigned char)(l ))&0xFF;
1361 }
1362 return(2);
1363 }
1364
1365 SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
1366 STACK_OF(SSL_CIPHER) *srvr)
1367 {
1368 SSL_CIPHER *c,*ret=NULL;
1369 STACK_OF(SSL_CIPHER) *prio, *allow;
1370 int i,j,ok;
1371 CERT *cert;
1372 unsigned long alg,mask,emask;
1373
1374 /* Let's see which ciphers we can support */
1375 cert=s->cert;
1376
1377 #if 0
1378 /* Do not set the compare functions, because this may lead to a
1379 * reordering by "id". We want to keep the original ordering.
1380 * We may pay a price in performance during sk_SSL_CIPHER_find(),
1381 * but would have to pay with the price of sk_SSL_CIPHER_dup().
1382 */
1383 sk_SSL_CIPHER_set_cmp_func(srvr, ssl_cipher_ptr_id_cmp);
1384 sk_SSL_CIPHER_set_cmp_func(clnt, ssl_cipher_ptr_id_cmp);
1385 #endif
1386
1387 #ifdef CIPHER_DEBUG
1388 printf("Server has %d from %p:\n", sk_SSL_CIPHER_num(srvr), srvr);
1389 for(i=0 ; i < sk_SSL_CIPHER_num(srvr) ; ++i)
1390 {
1391 c=sk_SSL_CIPHER_value(srvr,i);
1392 printf("%p:%s\n",c,c->name);
1393 }
1394 printf("Client sent %d from %p:\n", sk_SSL_CIPHER_num(clnt), clnt);
1395 for(i=0 ; i < sk_SSL_CIPHER_num(clnt) ; ++i)
1396 {
1397 c=sk_SSL_CIPHER_value(clnt,i);
1398 printf("%p:%s\n",c,c->name);
1399 }
1400 #endif
1401
1402 if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE)
1403 {
1404 prio = srvr;
1405 allow = clnt;
1406 }
1407 else
1408 {
1409 prio = clnt;
1410 allow = srvr;
1411 }
1412
1413 for (i=0; i<sk_SSL_CIPHER_num(prio); i++)
1414 {
1415 c=sk_SSL_CIPHER_value(prio,i);
1416
1417 ssl_set_cert_masks(cert,c);
1418 mask=cert->mask;
1419 emask=cert->export_mask;
1420
1421 #ifdef KSSL_DEBUG
1422 printf("ssl3_choose_cipher %d alg= %lx\n", i,c->algorithms);
1423 #endif /* KSSL_DEBUG */
1424
1425 alg=c->algorithms&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1426 #ifndef OPENSSL_NO_KRB5
1427 if (alg & SSL_KRB5)
1428 {
1429 if ( !kssl_keytab_is_available(s->kssl_ctx) )
1430 continue;
1431 }
1432 #endif /* OPENSSL_NO_KRB5 */
1433 if (SSL_C_IS_EXPORT(c))
1434 {
1435 ok=((alg & emask) == alg)?1:0;
1436 #ifdef CIPHER_DEBUG
1437 printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
1438 c,c->name);
1439 #endif
1440 }
1441 else
1442 {
1443 ok=((alg & mask) == alg)?1:0;
1444 #ifdef CIPHER_DEBUG
1445 printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
1446 c->name);
1447 #endif
1448 }
1449
1450 if (!ok) continue;
1451
1452 j=sk_SSL_CIPHER_find(allow,c);
1453 if (j >= 0)
1454 {
1455 ret=sk_SSL_CIPHER_value(allow,j);
1456 break;
1457 }
1458 }
1459 return(ret);
1460 }
1461
1462 int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
1463 {
1464 int ret=0;
1465 unsigned long alg;
1466
1467 alg=s->s3->tmp.new_cipher->algorithms;
1468
1469 #ifndef OPENSSL_NO_DH
1470 if (alg & (SSL_kDHr|SSL_kEDH))
1471 {
1472 # ifndef OPENSSL_NO_RSA
1473 p[ret++]=SSL3_CT_RSA_FIXED_DH;
1474 # endif
1475 # ifndef OPENSSL_NO_DSA
1476 p[ret++]=SSL3_CT_DSS_FIXED_DH;
1477 # endif
1478 }
1479 if ((s->version == SSL3_VERSION) &&
1480 (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
1481 {
1482 # ifndef OPENSSL_NO_RSA
1483 p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
1484 # endif
1485 # ifndef OPENSSL_NO_DSA
1486 p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
1487 # endif
1488 }
1489 #endif /* !OPENSSL_NO_DH */
1490 #ifndef OPENSSL_NO_RSA
1491 p[ret++]=SSL3_CT_RSA_SIGN;
1492 #endif
1493 #ifndef OPENSSL_NO_DSA
1494 p[ret++]=SSL3_CT_DSS_SIGN;
1495 #endif
1496 return(ret);
1497 }
1498
1499 int ssl3_shutdown(SSL *s)
1500 {
1501
1502 /* Don't do anything much if we have not done the handshake or
1503 * we don't want to send messages :-) */
1504 if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
1505 {
1506 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1507 return(1);
1508 }
1509
1510 if (!(s->shutdown & SSL_SENT_SHUTDOWN))
1511 {
1512 s->shutdown|=SSL_SENT_SHUTDOWN;
1513 #if 1
1514 ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
1515 #endif
1516 /* our shutdown alert has been sent now, and if it still needs
1517 * to be written, s->s3->alert_dispatch will be true */
1518 }
1519 else if (s->s3->alert_dispatch)
1520 {
1521 /* resend it if not sent */
1522 #if 1
1523 ssl3_dispatch_alert(s);
1524 #endif
1525 }
1526 else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
1527 {
1528 /* If we are waiting for a close from our peer, we are closed */
1529 ssl3_read_bytes(s,0,NULL,0,0);
1530 }
1531
1532 if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
1533 !s->s3->alert_dispatch)
1534 return(1);
1535 else
1536 return(0);
1537 }
1538
1539 int ssl3_write(SSL *s, const void *buf, int len)
1540 {
1541 int ret,n;
1542
1543 #if 0
1544 if (s->shutdown & SSL_SEND_SHUTDOWN)
1545 {
1546 s->rwstate=SSL_NOTHING;
1547 return(0);
1548 }
1549 #endif
1550 clear_sys_error();
1551 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1552
1553 /* This is an experimental flag that sends the
1554 * last handshake message in the same packet as the first
1555 * use data - used to see if it helps the TCP protocol during
1556 * session-id reuse */
1557 /* The second test is because the buffer may have been removed */
1558 if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
1559 {
1560 /* First time through, we write into the buffer */
1561 if (s->s3->delay_buf_pop_ret == 0)
1562 {
1563 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1564 buf,len);
1565 if (ret <= 0) return(ret);
1566
1567 s->s3->delay_buf_pop_ret=ret;
1568 }
1569
1570 s->rwstate=SSL_WRITING;
1571 n=BIO_flush(s->wbio);
1572 if (n <= 0) return(n);
1573 s->rwstate=SSL_NOTHING;
1574
1575 /* We have flushed the buffer, so remove it */
1576 ssl_free_wbio_buffer(s);
1577 s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
1578
1579 ret=s->s3->delay_buf_pop_ret;
1580 s->s3->delay_buf_pop_ret=0;
1581 }
1582 else
1583 {
1584 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1585 buf,len);
1586 if (ret <= 0) return(ret);
1587 }
1588
1589 return(ret);
1590 }
1591
1592 static int ssl3_read_internal(SSL *s, void *buf, int len, int peek)
1593 {
1594 int ret;
1595
1596 clear_sys_error();
1597 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1598 s->s3->in_read_app_data=1;
1599 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1600 if ((ret == -1) && (s->s3->in_read_app_data == 0))
1601 {
1602 /* ssl3_read_bytes decided to call s->handshake_func, which
1603 * called ssl3_read_bytes to read handshake data.
1604 * However, ssl3_read_bytes actually found application data
1605 * and thinks that application data makes sense here (signalled
1606 * by resetting 'in_read_app_data', strangely); so disable
1607 * handshake processing and try to read application data again. */
1608 s->in_handshake++;
1609 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1610 s->in_handshake--;
1611 }
1612 else
1613 s->s3->in_read_app_data=0;
1614
1615 return(ret);
1616 }
1617
1618 int ssl3_read(SSL *s, void *buf, int len)
1619 {
1620 return ssl3_read_internal(s, buf, len, 0);
1621 }
1622
1623 int ssl3_peek(SSL *s, void *buf, int len)
1624 {
1625 return ssl3_read_internal(s, buf, len, 1);
1626 }
1627
1628 int ssl3_renegotiate(SSL *s)
1629 {
1630 if (s->handshake_func == NULL)
1631 return(1);
1632
1633 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
1634 return(0);
1635
1636 s->s3->renegotiate=1;
1637 return(1);
1638 }
1639
1640 int ssl3_renegotiate_check(SSL *s)
1641 {
1642 int ret=0;
1643
1644 if (s->s3->renegotiate)
1645 {
1646 if ( (s->s3->rbuf.left == 0) &&
1647 (s->s3->wbuf.left == 0) &&
1648 !SSL_in_init(s))
1649 {
1650 /*
1651 if we are the server, and we have sent a 'RENEGOTIATE' message, we
1652 need to go to SSL_ST_ACCEPT.
1653 */
1654 /* SSL_ST_ACCEPT */
1655 s->state=SSL_ST_RENEGOTIATE;
1656 s->s3->renegotiate=0;
1657 s->s3->num_renegotiations++;
1658 s->s3->total_renegotiations++;
1659 ret=1;
1660 }
1661 }
1662 return(ret);
1663 }
1664
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