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d02b48c6 1/* ssl/s3_lib.c */
58964a49 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
RE		 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 */
5a4fbc69
BM		 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 */
d02b48c6
RE		 111
112#include <stdio.h>
ec577822 113#include <openssl/objects.h>
d02b48c6 114#include "ssl_locl.h"
2a96235b 115#include "kssl_lcl.h"
dbad1690 116#include <openssl/md5.h>
d02b48c6 117
e778802f 118const char *ssl3_version_str="SSLv3" OPENSSL_VERSION_PTEXT;
d02b48c6
RE		 119
120#define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers)/sizeof(SSL_CIPHER))
121
d02b48c6 122static long ssl3_default_timeout(void );
7d7d2cbc 123
7f0dae32 124OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
d02b48c6
RE		 125/* The RSA ciphers */
126/* Cipher 01 */
127 {
128 1,
129 SSL3_TXT_RSA_NULL_MD5,
130 SSL3_CK_RSA_NULL_MD5,
018e57c7
DSH		 131 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_MD5|SSL_SSLV3,
132 SSL_NOT_EXP,
133 0,
134 0,
d02b48c6
RE		 135 0,
136 SSL_ALL_CIPHERS,
018e57c7 137 SSL_ALL_STRENGTHS,
d02b48c6
RE		 138 },
139/* Cipher 02 */
140 {
141 1,
142 SSL3_TXT_RSA_NULL_SHA,
143 SSL3_CK_RSA_NULL_SHA,
018e57c7
DSH		 144 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_SHA1|SSL_SSLV3,
145 SSL_NOT_EXP,
146 0,
147 0,
d02b48c6
RE		 148 0,
149 SSL_ALL_CIPHERS,
018e57c7 150 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 159 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
160 SSL_EXPORT|SSL_EXP40,
d02b48c6 161 0,
018e57c7
DSH		 162 40,
163 128,
d02b48c6 164 SSL_ALL_CIPHERS,
018e57c7 165 SSL_ALL_STRENGTHS,
d02b48c6
RE		 166 },
167/* Cipher 18 */
168 {
169 1,
170 SSL3_TXT_ADH_RC4_128_MD5,
171 SSL3_CK_ADH_RC4_128_MD5,
018e57c7
DSH		 172 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
173 SSL_NOT_EXP,
d02b48c6 174 0,
018e57c7
DSH		 175 128,
176 128,
d02b48c6 177 SSL_ALL_CIPHERS,
018e57c7 178 SSL_ALL_STRENGTHS,
d02b48c6
RE		 179 },
180/* Cipher 19 */
181 {
182 1,
183 SSL3_TXT_ADH_DES_40_CBC_SHA,
184 SSL3_CK_ADH_DES_40_CBC_SHA,
018e57c7
DSH		 185 SSL_kEDH |SSL_aNULL|SSL_DES|SSL_SHA1|SSL_SSLV3,
186 SSL_EXPORT|SSL_EXP40,
d02b48c6 187 0,
018e57c7
DSH		 188 40,
189 128,
d02b48c6 190 SSL_ALL_CIPHERS,
018e57c7 191 SSL_ALL_STRENGTHS,
d02b48c6
RE		 192 },
193/* Cipher 1A */
194 {
195 1,
196 SSL3_TXT_ADH_DES_64_CBC_SHA,
197 SSL3_CK_ADH_DES_64_CBC_SHA,
018e57c7
DSH		 198 SSL_kEDH |SSL_aNULL|SSL_DES |SSL_SHA1|SSL_SSLV3,
199 SSL_NOT_EXP,
d02b48c6 200 0,
018e57c7
DSH		 201 56,
202 56,
d02b48c6 203 SSL_ALL_CIPHERS,
018e57c7 204 SSL_ALL_STRENGTHS,
d02b48c6
RE		 205 },
206/* Cipher 1B */
207 {
208 1,
58964a49
RE		 209 SSL3_TXT_ADH_DES_192_CBC_SHA,
210 SSL3_CK_ADH_DES_192_CBC_SHA,
018e57c7
DSH		 211 SSL_kEDH |SSL_aNULL|SSL_3DES |SSL_SHA1|SSL_SSLV3,
212 SSL_NOT_EXP,
d02b48c6 213 0,
018e57c7
DSH		 214 168,
215 168,
d02b48c6 216 SSL_ALL_CIPHERS,
018e57c7 217 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 226 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
227 SSL_EXPORT|SSL_EXP40,
d02b48c6 228 0,
018e57c7
DSH		 229 40,
230 128,
d02b48c6 231 SSL_ALL_CIPHERS,
018e57c7 232 SSL_ALL_STRENGTHS,
d02b48c6
RE		 233 },
234/* Cipher 04 */
235 {
236 1,
237 SSL3_TXT_RSA_RC4_128_MD5,
238 SSL3_CK_RSA_RC4_128_MD5,
018e57c7
DSH		 239 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5|SSL_SSLV3,
240 SSL_NOT_EXP|SSL_MEDIUM,
d02b48c6 241 0,
018e57c7
DSH		 242 128,
243 128,
d02b48c6 244 SSL_ALL_CIPHERS,
018e57c7 245 SSL_ALL_STRENGTHS,
d02b48c6
RE		 246 },
247/* Cipher 05 */
248 {
249 1,
250 SSL3_TXT_RSA_RC4_128_SHA,
251 SSL3_CK_RSA_RC4_128_SHA,
018e57c7
DSH		 252 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_SHA1|SSL_SSLV3,
253 SSL_NOT_EXP|SSL_MEDIUM,
d02b48c6 254 0,
018e57c7
DSH		 255 128,
256 128,
d02b48c6 257 SSL_ALL_CIPHERS,
018e57c7 258 SSL_ALL_STRENGTHS,
d02b48c6
RE		 259 },
260/* Cipher 06 */
261 {
262 1,
263 SSL3_TXT_RSA_RC2_40_MD5,
264 SSL3_CK_RSA_RC2_40_MD5,
018e57c7
DSH		 265 SSL_kRSA|SSL_aRSA|SSL_RC2 |SSL_MD5 |SSL_SSLV3,
266 SSL_EXPORT|SSL_EXP40,
d02b48c6 267 0,
018e57c7
DSH		 268 40,
269 128,
d02b48c6 270 SSL_ALL_CIPHERS,
018e57c7 271 SSL_ALL_STRENGTHS,
d02b48c6
RE		 272 },
273/* Cipher 07 */
274 {
275 1,
276 SSL3_TXT_RSA_IDEA_128_SHA,
277 SSL3_CK_RSA_IDEA_128_SHA,
018e57c7
DSH		 278 SSL_kRSA|SSL_aRSA|SSL_IDEA |SSL_SHA1|SSL_SSLV3,
279 SSL_NOT_EXP|SSL_MEDIUM,
d02b48c6 280 0,
018e57c7
DSH		 281 128,
282 128,
d02b48c6 283 SSL_ALL_CIPHERS,
018e57c7 284 SSL_ALL_STRENGTHS,
d02b48c6
RE		 285 },
286/* Cipher 08 */
287 {
288 1,
289 SSL3_TXT_RSA_DES_40_CBC_SHA,
290 SSL3_CK_RSA_DES_40_CBC_SHA,
018e57c7
DSH		 291 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
292 SSL_EXPORT|SSL_EXP40,
d02b48c6 293 0,
018e57c7
DSH		 294 40,
295 56,
d02b48c6 296 SSL_ALL_CIPHERS,
018e57c7 297 SSL_ALL_STRENGTHS,
d02b48c6
RE		 298 },
299/* Cipher 09 */
300 {
301 1,
302 SSL3_TXT_RSA_DES_64_CBC_SHA,
303 SSL3_CK_RSA_DES_64_CBC_SHA,
018e57c7
DSH		 304 SSL_kRSA|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
305 SSL_NOT_EXP|SSL_LOW,
d02b48c6 306 0,
018e57c7
DSH		 307 56,
308 56,
d02b48c6 309 SSL_ALL_CIPHERS,
018e57c7 310 SSL_ALL_STRENGTHS,
d02b48c6
RE		 311 },
312/* Cipher 0A */
313 {
314 1,
315 SSL3_TXT_RSA_DES_192_CBC3_SHA,
316 SSL3_CK_RSA_DES_192_CBC3_SHA,
018e57c7
DSH		 317 SSL_kRSA|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
318 SSL_NOT_EXP|SSL_HIGH,
d02b48c6 319 0,
018e57c7
DSH		 320 168,
321 168,
d02b48c6 322 SSL_ALL_CIPHERS,
018e57c7 323 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 332 SSL_kDHd |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
333 SSL_EXPORT|SSL_EXP40,
d02b48c6 334 0,
018e57c7
DSH		 335 40,
336 56,
d02b48c6 337 SSL_ALL_CIPHERS,
018e57c7 338 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 345 SSL_kDHd |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
346 SSL_NOT_EXP|SSL_LOW,
d02b48c6 347 0,
018e57c7
DSH		 348 56,
349 56,
d02b48c6 350 SSL_ALL_CIPHERS,
018e57c7 351 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 358 SSL_kDHd |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
359 SSL_NOT_EXP|SSL_HIGH,
d02b48c6 360 0,
018e57c7
DSH		 361 168,
362 168,
d02b48c6 363 SSL_ALL_CIPHERS,
018e57c7 364 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 371 SSL_kDHr |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
372 SSL_EXPORT|SSL_EXP40,
d02b48c6 373 0,
018e57c7
DSH		 374 40,
375 56,
d02b48c6 376 SSL_ALL_CIPHERS,
018e57c7 377 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 384 SSL_kDHr |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
385 SSL_NOT_EXP|SSL_LOW,
d02b48c6 386 0,
018e57c7
DSH		 387 56,
388 56,
d02b48c6 389 SSL_ALL_CIPHERS,
018e57c7 390 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 397 SSL_kDHr |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
398 SSL_NOT_EXP|SSL_HIGH,
d02b48c6 399 0,
018e57c7
DSH		 400 168,
401 168,
d02b48c6 402 SSL_ALL_CIPHERS,
018e57c7 403 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 412 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA1|SSL_SSLV3,
413 SSL_EXPORT|SSL_EXP40,
d02b48c6 414 0,
018e57c7
DSH		 415 40,
416 56,
d02b48c6 417 SSL_ALL_CIPHERS,
018e57c7 418 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 425 SSL_kEDH|SSL_aDSS|SSL_DES |SSL_SHA1|SSL_SSLV3,
426 SSL_NOT_EXP|SSL_LOW,
d02b48c6 427 0,
018e57c7
DSH		 428 56,
429 56,
d02b48c6 430 SSL_ALL_CIPHERS,
018e57c7 431 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 438 SSL_kEDH|SSL_aDSS|SSL_3DES |SSL_SHA1|SSL_SSLV3,
439 SSL_NOT_EXP|SSL_HIGH,
d02b48c6 440 0,
018e57c7
DSH		 441 168,
442 168,
d02b48c6 443 SSL_ALL_CIPHERS,
018e57c7 444 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 451 SSL_kEDH|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
452 SSL_EXPORT|SSL_EXP40,
d02b48c6 453 0,
018e57c7
DSH		 454 40,
455 56,
d02b48c6 456 SSL_ALL_CIPHERS,
018e57c7 457 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 464 SSL_kEDH|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
465 SSL_NOT_EXP|SSL_LOW,
d02b48c6 466 0,
018e57c7
DSH		 467 56,
468 56,
d02b48c6 469 SSL_ALL_CIPHERS,
018e57c7 470 SSL_ALL_STRENGTHS,
d02b48c6
RE		 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,
018e57c7
DSH		 477 SSL_kEDH|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
478 SSL_NOT_EXP|SSL_HIGH,
d02b48c6 479 0,
018e57c7
DSH		 480 168,
481 168,
d02b48c6 482 SSL_ALL_CIPHERS,
018e57c7 483 SSL_ALL_STRENGTHS,
d02b48c6
RE		 484 },
485
486/* Fortezza */
487/* Cipher 1C */
488 {
489 0,
490 SSL3_TXT_FZA_DMS_NULL_SHA,
491 SSL3_CK_FZA_DMS_NULL_SHA,
018e57c7
DSH		 492 SSL_kFZA|SSL_aFZA |SSL_eNULL |SSL_SHA1|SSL_SSLV3,
493 SSL_NOT_EXP,
494 0,
495 0,
d02b48c6
RE		 496 0,
497 SSL_ALL_CIPHERS,
018e57c7 498 SSL_ALL_STRENGTHS,
d02b48c6
RE		 499 },
500
501/* Cipher 1D */
502 {
503 0,
504 SSL3_TXT_FZA_DMS_FZA_SHA,
505 SSL3_CK_FZA_DMS_FZA_SHA,
018e57c7
DSH		 506 SSL_kFZA|SSL_aFZA |SSL_eFZA |SSL_SHA1|SSL_SSLV3,
507 SSL_NOT_EXP,
508 0,
509 0,
d02b48c6
RE		 510 0,
511 SSL_ALL_CIPHERS,
018e57c7 512 SSL_ALL_STRENGTHS,
d02b48c6
RE		 513 },
514
515/* Cipher 1E */
516 {
517 0,
518 SSL3_TXT_FZA_DMS_RC4_SHA,
519 SSL3_CK_FZA_DMS_RC4_SHA,
018e57c7
DSH		 520 SSL_kFZA|SSL_aFZA |SSL_RC4 |SSL_SHA1|SSL_SSLV3,
521 SSL_NOT_EXP,
d02b48c6 522 0,
018e57c7
DSH		 523 128,
524 128,
d02b48c6 525 SSL_ALL_CIPHERS,
018e57c7 526 SSL_ALL_STRENGTHS,
d02b48c6
RE		 527 },
528
bc36ee62 529#ifndef OPENSSL_NO_KRB5
f9b3bff6
RL		 530/* The Kerberos ciphers
531** 20000107 VRS: And the first shall be last,
532** in hopes of avoiding the lynx ssl renegotiation problem.
533*/
534/* Cipher 21 VRS */
535 {
536 1,
537 SSL3_TXT_KRB5_DES_40_CBC_SHA,
538 SSL3_CK_KRB5_DES_40_CBC_SHA,
539 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
540 SSL_EXPORT|SSL_EXP40,
541 0,
542 40,
543 56,
544 SSL_ALL_CIPHERS,
545 SSL_ALL_STRENGTHS,
546 },
547
548/* Cipher 22 VRS */
549 {
550 1,
551 SSL3_TXT_KRB5_DES_40_CBC_MD5,
552 SSL3_CK_KRB5_DES_40_CBC_MD5,
553 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
554 SSL_EXPORT|SSL_EXP40,
555 0,
556 40,
557 56,
558 SSL_ALL_CIPHERS,
559 SSL_ALL_STRENGTHS,
560 },
561
562/* Cipher 23 VRS */
563 {
564 1,
565 SSL3_TXT_KRB5_DES_64_CBC_SHA,
566 SSL3_CK_KRB5_DES_64_CBC_SHA,
567 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
568 SSL_NOT_EXP|SSL_LOW,
569 0,
570 56,
571 56,
572 SSL_ALL_CIPHERS,
573 SSL_ALL_STRENGTHS,
574 },
575
576/* Cipher 24 VRS */
577 {
578 1,
579 SSL3_TXT_KRB5_DES_64_CBC_MD5,
580 SSL3_CK_KRB5_DES_64_CBC_MD5,
581 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
582 SSL_NOT_EXP|SSL_LOW,
583 0,
584 56,
585 56,
586 SSL_ALL_CIPHERS,
587 SSL_ALL_STRENGTHS,
588 },
589
590/* Cipher 25 VRS */
591 {
592 1,
593 SSL3_TXT_KRB5_DES_192_CBC3_SHA,
594 SSL3_CK_KRB5_DES_192_CBC3_SHA,
595 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_SHA1 |SSL_SSLV3,
596 SSL_NOT_EXP|SSL_HIGH,
597 0,
598 112,
599 168,
600 SSL_ALL_CIPHERS,
601 SSL_ALL_STRENGTHS,
602 },
603
604/* Cipher 26 VRS */
605 {
606 1,
607 SSL3_TXT_KRB5_DES_192_CBC3_MD5,
608 SSL3_CK_KRB5_DES_192_CBC3_MD5,
609 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_MD5 |SSL_SSLV3,
610 SSL_NOT_EXP|SSL_HIGH,
611 0,
612 112,
613 168,
614 SSL_ALL_CIPHERS,
615 SSL_ALL_STRENGTHS,
616 },
bc36ee62 617#endif /* OPENSSL_NO_KRB5 */
deb2c1a1
DSH		 618
619
bc348244 620#if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
06ab81f9
BL		 621 /* New TLS Export CipherSuites */
622 /* Cipher 60 */
623 {
624 1,
abed0b8a
BL		 625 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5,
626 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5,
018e57c7
DSH		 627 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_TLSV1,
628 SSL_EXPORT|SSL_EXP56,
06ab81f9 629 0,
018e57c7
DSH		 630 56,
631 128,
632 SSL_ALL_CIPHERS,
633 SSL_ALL_STRENGTHS,
06ab81f9
BL		 634 },
635 /* Cipher 61 */
636 {
637 1,
abed0b8a
BL		 638 TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
639 TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
018e57c7
DSH		 640 SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_TLSV1,
641 SSL_EXPORT|SSL_EXP56,
06ab81f9 642 0,
018e57c7
DSH		 643 56,
644 128,
645 SSL_ALL_CIPHERS,
646 SSL_ALL_STRENGTHS,
06ab81f9
BL		 647 },
648 /* Cipher 62 */
649 {
650 1,
abed0b8a
BL		 651 TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA,
652 TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA,
018e57c7
DSH		 653 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA|SSL_TLSV1,
654 SSL_EXPORT|SSL_EXP56,
06ab81f9 655 0,
018e57c7
DSH		 656 56,
657 56,
658 SSL_ALL_CIPHERS,
659 SSL_ALL_STRENGTHS,
06ab81f9 660 },
abed0b8a
BL		 661 /* Cipher 63 */
662 {
663 1,
664 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
665 TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
018e57c7
DSH		 666 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA|SSL_TLSV1,
667 SSL_EXPORT|SSL_EXP56,
abed0b8a 668 0,
018e57c7
DSH		 669 56,
670 56,
671 SSL_ALL_CIPHERS,
672 SSL_ALL_STRENGTHS,
abed0b8a
BL		 673 },
674 /* Cipher 64 */
675 {
676 1,
677 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA,
678 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA,
018e57c7
DSH		 679 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
680 SSL_EXPORT|SSL_EXP56,
abed0b8a 681 0,
018e57c7
DSH		 682 56,
683 128,
684 SSL_ALL_CIPHERS,
685 SSL_ALL_STRENGTHS,
abed0b8a
BL		 686 },
687 /* Cipher 65 */
688 {
689 1,
690 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
691 TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
018e57c7
DSH		 692 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
693 SSL_EXPORT|SSL_EXP56,
abed0b8a 694 0,
018e57c7
DSH		 695 56,
696 128,
697 SSL_ALL_CIPHERS,
698 SSL_ALL_STRENGTHS,
abed0b8a
BL		 699 },
700 /* Cipher 66 */
701 {
702 1,
703 TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA,
704 TLS1_CK_DHE_DSS_WITH_RC4_128_SHA,
705 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
018e57c7 706 SSL_NOT_EXP,
abed0b8a 707 0,
018e57c7
DSH		 708 128,
709 128,
710 SSL_ALL_CIPHERS,
711 SSL_ALL_STRENGTHS
abed0b8a 712 },
deb2c1a1
DSH		 713#endif
714 /* New AES ciphersuites */
715
716 /* Cipher 2F */
259810e0
BL		 717 {
718 1,
deb2c1a1
DSH		 719 TLS1_TXT_RSA_WITH_AES_128_SHA,
720 TLS1_CK_RSA_WITH_AES_128_SHA,
721 SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
722 SSL_NOT_EXP|SSL_MEDIUM,
259810e0
BL		 723 0,
724 128,
725 128,
726 SSL_ALL_CIPHERS,
727 SSL_ALL_STRENGTHS,
728 },
deb2c1a1
DSH		 729 /* Cipher 30 */
730 {
731 0,
732 TLS1_TXT_DH_DSS_WITH_AES_128_SHA,
733 TLS1_CK_DH_DSS_WITH_AES_128_SHA,
734 SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
735 SSL_NOT_EXP|SSL_MEDIUM,
736 0,
737 128,
738 128,
739 SSL_ALL_CIPHERS,
740 SSL_ALL_STRENGTHS,
741 },
742 /* Cipher 31 */
743 {
744 0,
745 TLS1_TXT_DH_RSA_WITH_AES_128_SHA,
746 TLS1_CK_DH_RSA_WITH_AES_128_SHA,
747 SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
748 SSL_NOT_EXP|SSL_MEDIUM,
749 0,
750 128,
751 128,
752 SSL_ALL_CIPHERS,
753 SSL_ALL_STRENGTHS,
754 },
755 /* Cipher 32 */
756 {
757 1,
758 TLS1_TXT_DHE_DSS_WITH_AES_128_SHA,
759 TLS1_CK_DHE_DSS_WITH_AES_128_SHA,
760 SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
761 SSL_NOT_EXP|SSL_MEDIUM,
762 0,
763 128,
764 128,
765 SSL_ALL_CIPHERS,
766 SSL_ALL_STRENGTHS,
767 },
768 /* Cipher 33 */
769 {
770 1,
771 TLS1_TXT_DHE_RSA_WITH_AES_128_SHA,
772 TLS1_CK_DHE_RSA_WITH_AES_128_SHA,
773 SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
774 SSL_NOT_EXP|SSL_MEDIUM,
775 0,
776 128,
777 128,
778 SSL_ALL_CIPHERS,
779 SSL_ALL_STRENGTHS,
780 },
781 /* Cipher 34 */
782 {
783 1,
784 TLS1_TXT_ADH_WITH_AES_128_SHA,
785 TLS1_CK_ADH_WITH_AES_128_SHA,
786 SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
787 SSL_NOT_EXP|SSL_MEDIUM,
788 0,
789 128,
790 128,
791 SSL_ALL_CIPHERS,
792 SSL_ALL_STRENGTHS,
793 },
794
795 /* Cipher 35 */
796 {
797 1,
798 TLS1_TXT_RSA_WITH_AES_256_SHA,
799 TLS1_CK_RSA_WITH_AES_256_SHA,
800 SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
801 SSL_NOT_EXP|SSL_HIGH,
802 0,
803 256,
804 256,
805 SSL_ALL_CIPHERS,
806 SSL_ALL_STRENGTHS,
807 },
808 /* Cipher 36 */
809 {
810 0,
811 TLS1_TXT_DH_DSS_WITH_AES_256_SHA,
812 TLS1_CK_DH_DSS_WITH_AES_256_SHA,
813 SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
814 SSL_NOT_EXP|SSL_HIGH,
815 0,
816 256,
817 256,
818 SSL_ALL_CIPHERS,
819 SSL_ALL_STRENGTHS,
820 },
821 /* Cipher 37 */
822 {
823 0,
824 TLS1_TXT_DH_RSA_WITH_AES_256_SHA,
825 TLS1_CK_DH_RSA_WITH_AES_256_SHA,
826 SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
827 SSL_NOT_EXP|SSL_HIGH,
828 0,
829 256,
830 256,
831 SSL_ALL_CIPHERS,
832 SSL_ALL_STRENGTHS,
833 },
834 /* Cipher 38 */
835 {
836 1,
837 TLS1_TXT_DHE_DSS_WITH_AES_256_SHA,
838 TLS1_CK_DHE_DSS_WITH_AES_256_SHA,
839 SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
840 SSL_NOT_EXP|SSL_HIGH,
841 0,
842 256,
843 256,
844 SSL_ALL_CIPHERS,
845 SSL_ALL_STRENGTHS,
846 },
847 /* Cipher 39 */
848 {
849 1,
850 TLS1_TXT_DHE_RSA_WITH_AES_256_SHA,
851 TLS1_CK_DHE_RSA_WITH_AES_256_SHA,
852 SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
853 SSL_NOT_EXP|SSL_HIGH,
854 0,
855 256,
856 256,
857 SSL_ALL_CIPHERS,
858 SSL_ALL_STRENGTHS,
859 },
860 /* Cipher 3A */
861 {
862 1,
863 TLS1_TXT_ADH_WITH_AES_256_SHA,
864 TLS1_CK_ADH_WITH_AES_256_SHA,
865 SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
866 SSL_NOT_EXP|SSL_HIGH,
867 0,
868 256,
869 256,
870 SSL_ALL_CIPHERS,
871 SSL_ALL_STRENGTHS,
872 },
06ab81f9 873
d02b48c6
RE		 874/* end of list */
875 };
876
58964a49
RE		 877static SSL3_ENC_METHOD SSLv3_enc_data={
878 ssl3_enc,
879 ssl3_mac,
880 ssl3_setup_key_block,
881 ssl3_generate_master_secret,
882 ssl3_change_cipher_state,
883 ssl3_final_finish_mac,
884 MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
885 ssl3_cert_verify_mac,
886 SSL3_MD_CLIENT_FINISHED_CONST,4,
887 SSL3_MD_SERVER_FINISHED_CONST,4,
888 ssl3_alert_code,
889 };
890
d02b48c6 891static SSL_METHOD SSLv3_data= {
58964a49 892 SSL3_VERSION,
d02b48c6
RE		 893 ssl3_new,
894 ssl3_clear,
895 ssl3_free,
896 ssl_undefined_function,
897 ssl_undefined_function,
898 ssl3_read,
899 ssl3_peek,
900 ssl3_write,
901 ssl3_shutdown,
902 ssl3_renegotiate,
dfeab068 903 ssl3_renegotiate_check,
d02b48c6
RE		 904 ssl3_ctrl,
905 ssl3_ctx_ctrl,
906 ssl3_get_cipher_by_char,
907 ssl3_put_cipher_by_char,
908 ssl3_pending,
909 ssl3_num_ciphers,
910 ssl3_get_cipher,
911 ssl_bad_method,
912 ssl3_default_timeout,
58964a49 913 &SSLv3_enc_data,
d3442bc7
RL		 914 ssl_undefined_function,
915 ssl3_callback_ctrl,
916 ssl3_ctx_callback_ctrl,
a9188d4e
RL		 917 };
918
6b691a5c 919static long ssl3_default_timeout(void)
d02b48c6
RE		 920 {
921 /* 2 hours, the 24 hours mentioned in the SSLv3 spec
922 * is way too long for http, the cache would over fill */
923 return(60*60*2);
924 }
925
6b691a5c 926SSL_METHOD *sslv3_base_method(void)
d02b48c6
RE		 927 {
928 return(&SSLv3_data);
929 }
930
6b691a5c 931int ssl3_num_ciphers(void)
d02b48c6
RE		 932 {
933 return(SSL3_NUM_CIPHERS);
934 }
935
6b691a5c 936SSL_CIPHER *ssl3_get_cipher(unsigned int u)
d02b48c6
RE		 937 {
938 if (u < SSL3_NUM_CIPHERS)
939 return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
940 else
941 return(NULL);
942 }
943
6b691a5c 944int ssl3_pending(SSL *s)
d02b48c6 945 {
a0aae68c 946 return (s->s3->rrec.type == SSL3_RT_APPLICATION_DATA) ? s->s3->rrec.length : 0;
d02b48c6
RE		 947 }
948
6b691a5c 949int ssl3_new(SSL *s)
d02b48c6 950 {
b35e9050 951 SSL3_STATE *s3;
d02b48c6 952
26a3a48d 953 if ((s3=OPENSSL_malloc(sizeof *s3)) == NULL) goto err;
b35e9050 954 memset(s3,0,sizeof *s3);
dbad1690
BL		 955 EVP_MD_CTX_init(&s3->finish_dgst1);
956 EVP_MD_CTX_init(&s3->finish_dgst2);
d02b48c6
RE		 957
958 s->s3=s3;
d02b48c6 959
58964a49 960 s->method->ssl_clear(s);
d02b48c6
RE		 961 return(1);
962err:
963 return(0);
964 }
965
6b691a5c 966void ssl3_free(SSL *s)
d02b48c6 967 {
e03ddfae
BL		 968 if(s == NULL)
969 return;
970
d02b48c6
RE		 971 ssl3_cleanup_key_block(s);
972 if (s->s3->rbuf.buf != NULL)
26a3a48d 973 OPENSSL_free(s->s3->rbuf.buf);
d02b48c6 974 if (s->s3->wbuf.buf != NULL)
26a3a48d 975 OPENSSL_free(s->s3->wbuf.buf);
dfeab068 976 if (s->s3->rrec.comp != NULL)
26a3a48d 977 OPENSSL_free(s->s3->rrec.comp);
bc36ee62 978#ifndef OPENSSL_NO_DH
d02b48c6
RE		 979 if (s->s3->tmp.dh != NULL)
980 DH_free(s->s3->tmp.dh);
981#endif
982 if (s->s3->tmp.ca_names != NULL)
f73e07cf 983 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
dbad1690
BL		 984 EVP_MD_CTX_cleanup(&s->s3->finish_dgst1);
985 EVP_MD_CTX_cleanup(&s->s3->finish_dgst2);
b35e9050 986 memset(s->s3,0,sizeof *s->s3);
26a3a48d 987 OPENSSL_free(s->s3);
d02b48c6
RE		 988 s->s3=NULL;
989 }
990
6b691a5c 991void ssl3_clear(SSL *s)
d02b48c6
RE		 992 {
993 unsigned char *rp,*wp;
994
995 ssl3_cleanup_key_block(s);
996 if (s->s3->tmp.ca_names != NULL)
f73e07cf 997 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
d02b48c6 998
413c4f45
MC		 999 if (s->s3->rrec.comp != NULL)
1000 {
26a3a48d 1001 OPENSSL_free(s->s3->rrec.comp);
413c4f45
MC		 1002 s->s3->rrec.comp=NULL;
1003 }
bc36ee62 1004#ifndef OPENSSL_NO_DH
a2a01589
BM		 1005 if (s->s3->tmp.dh != NULL)
1006 DH_free(s->s3->tmp.dh);
1007#endif
413c4f45 1008
d02b48c6
RE		 1009 rp=s->s3->rbuf.buf;
1010 wp=s->s3->wbuf.buf;
1011
1f3b6580
BL		 1012 EVP_MD_CTX_cleanup(&s->s3->finish_dgst1);
1013 EVP_MD_CTX_cleanup(&s->s3->finish_dgst2);
1014
b35e9050 1015 memset(s->s3,0,sizeof *s->s3);
58964a49
RE		 1016 if (rp != NULL) s->s3->rbuf.buf=rp;
1017 if (wp != NULL) s->s3->wbuf.buf=wp;
dfeab068 1018
413c4f45 1019 ssl_free_wbio_buffer(s);
dfeab068 1020
d02b48c6 1021 s->packet_length=0;
58964a49
RE		 1022 s->s3->renegotiate=0;
1023 s->s3->total_renegotiations=0;
1024 s->s3->num_renegotiations=0;
1025 s->s3->in_read_app_data=0;
1026 s->version=SSL3_VERSION;
d02b48c6
RE		 1027 }
1028
6b691a5c 1029long ssl3_ctrl(SSL *s, int cmd, long larg, char *parg)
d02b48c6 1030 {
58964a49
RE		 1031 int ret=0;
1032
bc36ee62 1033#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
15d21c2d 1034 if (
bc36ee62 1035#ifndef OPENSSL_NO_RSA
15d21c2d
RE		 1036 cmd == SSL_CTRL_SET_TMP_RSA ||
1037 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1038#endif
bc36ee62 1039#ifndef OPENSSL_NO_DSA
15d21c2d
RE		 1040 cmd == SSL_CTRL_SET_TMP_DH ||
1041 cmd == SSL_CTRL_SET_TMP_DH_CB ||
1042#endif
1043 0)
1044 {
ca8e5b9b 1045 if (!ssl_cert_inst(&s->cert))
15d21c2d
RE		 1046 {
1047 SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
1048 return(0);
1049 }
1050 }
1051#endif
1052
58964a49
RE		 1053 switch (cmd)
1054 {
1055 case SSL_CTRL_GET_SESSION_REUSED:
1056 ret=s->hit;
1057 break;
1058 case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
1059 break;
1060 case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
1061 ret=s->s3->num_renegotiations;
1062 break;
1063 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
1064 ret=s->s3->num_renegotiations;
1065 s->s3->num_renegotiations=0;
1066 break;
1067 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
1068 ret=s->s3->total_renegotiations;
1069 break;
dfeab068 1070 case SSL_CTRL_GET_FLAGS:
651d0aff 1071 ret=(int)(s->s3->flags);
dfeab068 1072 break;
bc36ee62 1073#ifndef OPENSSL_NO_RSA
15d21c2d
RE		 1074 case SSL_CTRL_NEED_TMP_RSA:
1075 if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
1076 ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1077 (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
1078 ret = 1;
1079 break;
1080 case SSL_CTRL_SET_TMP_RSA:
1081 {
1082 RSA *rsa = (RSA *)parg;
e11f0de6
BM		 1083 if (rsa == NULL)
1084 {
15d21c2d
RE		 1085 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1086 return(ret);
e11f0de6
BM		 1087 }
1088 if ((rsa = RSAPrivateKey_dup(rsa)) == NULL)
1089 {
15d21c2d
RE		 1090 SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
1091 return(ret);
e11f0de6 1092 }
15d21c2d
RE		 1093 if (s->cert->rsa_tmp != NULL)
1094 RSA_free(s->cert->rsa_tmp);
1095 s->cert->rsa_tmp = rsa;
1096 ret = 1;
1097 }
1098 break;
1099 case SSL_CTRL_SET_TMP_RSA_CB:
a9188d4e 1100 {
d3442bc7
RL		 1101 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1102 return(ret);
a9188d4e 1103 }
15d21c2d
RE		 1104 break;
1105#endif
bc36ee62 1106#ifndef OPENSSL_NO_DH
15d21c2d
RE		 1107 case SSL_CTRL_SET_TMP_DH:
1108 {
1109 DH *dh = (DH *)parg;
e11f0de6
BM		 1110 if (dh == NULL)
1111 {
15d21c2d
RE		 1112 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1113 return(ret);
e11f0de6
BM		 1114 }
1115 if ((dh = DHparams_dup(dh)) == NULL)
1116 {
15d21c2d
RE		 1117 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1118 return(ret);
e11f0de6
BM		 1119 }
1120 if (!(s->options & SSL_OP_SINGLE_DH_USE))
1121 {
1122 if (!DH_generate_key(dh))
1123 {
1124 DH_free(dh);
1125 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1126 return(ret);
1127 }
1128 }
15d21c2d
RE		 1129 if (s->cert->dh_tmp != NULL)
1130 DH_free(s->cert->dh_tmp);
1131 s->cert->dh_tmp = dh;
1132 ret = 1;
1133 }
1134 break;
1135 case SSL_CTRL_SET_TMP_DH_CB:
a9188d4e 1136 {
d3442bc7
RL		 1137 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1138 return(ret);
1139 }
1140 break;
1141#endif
1142 default:
1143 break;
1144 }
1145 return(ret);
1146 }
a9188d4e 1147
d3442bc7
RL		 1148long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)())
1149 {
1150 int ret=0;
1151
bc36ee62 1152#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
d3442bc7 1153 if (
bc36ee62 1154#ifndef OPENSSL_NO_RSA
d3442bc7
RL		 1155 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1156#endif
bc36ee62 1157#ifndef OPENSSL_NO_DSA
d3442bc7
RL		 1158 cmd == SSL_CTRL_SET_TMP_DH_CB ||
1159#endif
1160 0)
1161 {
1162 if (!ssl_cert_inst(&s->cert))
e11f0de6 1163 {
448e2f9b 1164 SSLerr(SSL_F_SSL3_CALLBACK_CTRL, ERR_R_MALLOC_FAILURE);
d3442bc7
RL		 1165 return(0);
1166 }
1167 }
1168#endif
1169
1170 switch (cmd)
1171 {
bc36ee62 1172#ifndef OPENSSL_NO_RSA
d3442bc7
RL		 1173 case SSL_CTRL_SET_TMP_RSA_CB:
1174 {
1175 s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1176 }
1177 break;
1178#endif
bc36ee62 1179#ifndef OPENSSL_NO_DH
d3442bc7
RL		 1180 case SSL_CTRL_SET_TMP_DH_CB:
1181 {
1182 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
a9188d4e 1183 }
15d21c2d
RE		 1184 break;
1185#endif
58964a49
RE		 1186 default:
1187 break;
1188 }
1189 return(ret);
d02b48c6
RE		 1190 }
1191
6b691a5c 1192long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, char *parg)
d02b48c6
RE		 1193 {
1194 CERT *cert;
1195
ca8e5b9b 1196 cert=ctx->cert;
d02b48c6
RE		 1197
1198 switch (cmd)
1199 {
bc36ee62 1200#ifndef OPENSSL_NO_RSA
d02b48c6
RE		 1201 case SSL_CTRL_NEED_TMP_RSA:
1202 if ( (cert->rsa_tmp == NULL) &&
1203 ((cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1204 (EVP_PKEY_size(cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8)))
1205 )
1206 return(1);
1207 else
1208 return(0);
dfeab068 1209 /* break; */
d02b48c6
RE		 1210 case SSL_CTRL_SET_TMP_RSA:
1211 {
1212 RSA *rsa;
1213 int i;
1214
1215 rsa=(RSA *)parg;
1216 i=1;
1217 if (rsa == NULL)
1218 i=0;
1219 else
1220 {
1221 if ((rsa=RSAPrivateKey_dup(rsa)) == NULL)
1222 i=0;
1223 }
1224 if (!i)
1225 {
1226 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_RSA_LIB);
1227 return(0);
1228 }
1229 else
1230 {
1231 if (cert->rsa_tmp != NULL)
1232 RSA_free(cert->rsa_tmp);
1233 cert->rsa_tmp=rsa;
1234 return(1);
1235 }
1236 }
dfeab068 1237 /* break; */
d02b48c6 1238 case SSL_CTRL_SET_TMP_RSA_CB:
a9188d4e 1239 {
d3442bc7
RL		 1240 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1241 return(0);
a9188d4e 1242 }
d02b48c6
RE		 1243 break;
1244#endif
bc36ee62 1245#ifndef OPENSSL_NO_DH
d02b48c6
RE		 1246 case SSL_CTRL_SET_TMP_DH:
1247 {
1248 DH *new=NULL,*dh;
1249
1250 dh=(DH *)parg;
e11f0de6 1251 if ((new=DHparams_dup(dh)) == NULL)
d02b48c6
RE		 1252 {
1253 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
e11f0de6 1254 return 0;
d02b48c6 1255 }
e11f0de6 1256 if (!(ctx->options & SSL_OP_SINGLE_DH_USE))
d02b48c6 1257 {
e11f0de6
BM		 1258 if (!DH_generate_key(new))
1259 {
1260 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1261 DH_free(new);
1262 return 0;
1263 }
d02b48c6 1264 }
e11f0de6
BM		 1265 if (cert->dh_tmp != NULL)
1266 DH_free(cert->dh_tmp);
1267 cert->dh_tmp=new;
1268 return 1;
d02b48c6 1269 }
dfeab068 1270 /*break; */
d02b48c6 1271 case SSL_CTRL_SET_TMP_DH_CB:
a9188d4e 1272 {
d3442bc7
RL		 1273 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1274 return(0);
a9188d4e 1275 }
d02b48c6
RE		 1276 break;
1277#endif
651d0aff 1278 /* A Thawte special :-) */
dfeab068
RE		 1279 case SSL_CTRL_EXTRA_CHAIN_CERT:
1280 if (ctx->extra_certs == NULL)
1281 {
f73e07cf 1282 if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
dfeab068
RE		 1283 return(0);
1284 }
f73e07cf 1285 sk_X509_push(ctx->extra_certs,(X509 *)parg);
dfeab068
RE		 1286 break;
1287
d02b48c6
RE		 1288 default:
1289 return(0);
1290 }
1291 return(1);
1292 }
1293
d3442bc7
RL		 1294long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
1295 {
1296 CERT *cert;
1297
1298 cert=ctx->cert;
1299
1300 switch (cmd)
1301 {
bc36ee62 1302#ifndef OPENSSL_NO_RSA
d3442bc7
RL		 1303 case SSL_CTRL_SET_TMP_RSA_CB:
1304 {
1305 cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1306 }
1307 break;
1308#endif
bc36ee62 1309#ifndef OPENSSL_NO_DH
d3442bc7
RL		 1310 case SSL_CTRL_SET_TMP_DH_CB:
1311 {
1312 cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1313 }
1314 break;
1315#endif
1316 default:
1317 return(0);
1318 }
1319 return(1);
1320 }
1321
d02b48c6
RE		 1322/* This function needs to check if the ciphers required are actually
1323 * available */
6b691a5c 1324SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
d02b48c6
RE		 1325 {
1326 static int init=1;
1327 static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
1328 SSL_CIPHER c,*cp= &c,**cpp;
1329 unsigned long id;
1330 int i;
1331
1332 if (init)
1333 {
5cc146f3 1334 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
d02b48c6
RE		 1335
1336 for (i=0; i<SSL3_NUM_CIPHERS; i++)
1337 sorted[i]= &(ssl3_ciphers[i]);
1338
1339 qsort( (char *)sorted,
1340 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1341 FP_ICC ssl_cipher_ptr_id_cmp);
5cc146f3
BM		 1342
1343 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
1344
1345 init=0;
d02b48c6
RE		 1346 }
1347
1348 id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
1349 c.id=id;
1350 cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
1351 (char *)sorted,
1352 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
13083215 1353 FP_ICC ssl_cipher_ptr_id_cmp);
d02b48c6
RE		 1354 if ((cpp == NULL) || !(*cpp)->valid)
1355 return(NULL);
1356 else
1357 return(*cpp);
1358 }
1359
6b691a5c 1360int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
d02b48c6
RE		 1361 {
1362 long l;
1363
1364 if (p != NULL)
1365 {
1366 l=c->id;
1367 if ((l & 0xff000000) != 0x03000000) return(0);
1368 p[0]=((unsigned char)(l>> 8L))&0xFF;
1369 p[1]=((unsigned char)(l ))&0xFF;
1370 }
1371 return(2);
1372 }
1373
836f9960
LJ		 1374SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
1375 STACK_OF(SSL_CIPHER) *srvr)
d02b48c6
RE		 1376 {
1377 SSL_CIPHER *c,*ret=NULL;
836f9960 1378 STACK_OF(SSL_CIPHER) *prio, *allow;
d02b48c6
RE		 1379 int i,j,ok;
1380 CERT *cert;
1381 unsigned long alg,mask,emask;
1382
ca8e5b9b
BM		 1383 /* Let's see which ciphers we can support */
1384 cert=s->cert;
d02b48c6 1385
836f9960
LJ		 1386#if 0
1387 /* Do not set the compare functions, because this may lead to a
1388 * reordering by "id". We want to keep the original ordering.
1389 * We may pay a price in performance during sk_SSL_CIPHER_find(),
1390 * but would have to pay with the price of sk_SSL_CIPHER_dup().
1391 */
1392 sk_SSL_CIPHER_set_cmp_func(srvr, ssl_cipher_ptr_id_cmp);
1393 sk_SSL_CIPHER_set_cmp_func(clnt, ssl_cipher_ptr_id_cmp);
1394#endif
d02b48c6 1395
f415fa32 1396#ifdef CIPHER_DEBUG
836f9960
LJ		 1397 printf("Server has %d from %p:\n", sk_SSL_CIPHER_num(srvr), srvr);
1398 for(i=0 ; i < sk_SSL_CIPHER_num(srvr) ; ++i)
f415fa32 1399 {
836f9960
LJ		 1400 c=sk_SSL_CIPHER_value(srvr,i);
1401 printf("%p:%s\n",c,c->name);
1402 }
1403 printf("Client sent %d from %p:\n", sk_SSL_CIPHER_num(clnt), clnt);
1404 for(i=0 ; i < sk_SSL_CIPHER_num(clnt) ; ++i)
1405 {
1406 c=sk_SSL_CIPHER_value(clnt,i);
f415fa32
BL		 1407 printf("%p:%s\n",c,c->name);
1408 }
1409#endif
1410
836f9960
LJ		 1411 if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE)
1412 {
1413 prio = srvr;
1414 allow = clnt;
1415 }
1416 else
1417 {
1418 prio = clnt;
1419 allow = srvr;
1420 }
1421
1422 for (i=0; i<sk_SSL_CIPHER_num(prio); i++)
d02b48c6 1423 {
836f9960 1424 c=sk_SSL_CIPHER_value(prio,i);
60e31c3a 1425
ca8e5b9b 1426 ssl_set_cert_masks(cert,c);
60e31c3a
BL		 1427 mask=cert->mask;
1428 emask=cert->export_mask;
1429
f9b3bff6
RL		 1430#ifdef KSSL_DEBUG
1431 printf("ssl3_choose_cipher %d alg= %lx\n", i,c->algorithms);
1432#endif /* KSSL_DEBUG */
1433
d02b48c6 1434 alg=c->algorithms&(SSL_MKEY_MASK|SSL_AUTH_MASK);
a5224c34
RL		 1435#ifndef OPENSSL_NO_KRB5
1436 if (alg & SSL_KRB5)
1437 {
1438 if ( !kssl_keytab_is_available(s->kssl_ctx) )
1439 continue;
1440 }
1441#endif /* OPENSSL_NO_KRB5 */
018e57c7 1442 if (SSL_C_IS_EXPORT(c))
d02b48c6
RE		 1443 {
1444 ok=((alg & emask) == alg)?1:0;
1445#ifdef CIPHER_DEBUG
f415fa32
BL		 1446 printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
1447 c,c->name);
d02b48c6
RE		 1448#endif
1449 }
1450 else
1451 {
1452 ok=((alg & mask) == alg)?1:0;
1453#ifdef CIPHER_DEBUG
f415fa32
BL		 1454 printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
1455 c->name);
d02b48c6
RE		 1456#endif
1457 }
1458
1459 if (!ok) continue;
1460
836f9960 1461 j=sk_SSL_CIPHER_find(allow,c);
d02b48c6
RE		 1462 if (j >= 0)
1463 {
836f9960 1464 ret=sk_SSL_CIPHER_value(allow,j);
d02b48c6
RE		 1465 break;
1466 }
1467 }
1468 return(ret);
1469 }
1470
6b691a5c 1471int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
d02b48c6
RE		 1472 {
1473 int ret=0;
1474 unsigned long alg;
1475
1476 alg=s->s3->tmp.new_cipher->algorithms;
1477
bc36ee62 1478#ifndef OPENSSL_NO_DH
d02b48c6
RE		 1479 if (alg & (SSL_kDHr|SSL_kEDH))
1480 {
bc36ee62 1481# ifndef OPENSSL_NO_RSA
d02b48c6 1482 p[ret++]=SSL3_CT_RSA_FIXED_DH;
dfeab068 1483# endif
bc36ee62 1484# ifndef OPENSSL_NO_DSA
d02b48c6 1485 p[ret++]=SSL3_CT_DSS_FIXED_DH;
dfeab068 1486# endif
d02b48c6 1487 }
58964a49
RE		 1488 if ((s->version == SSL3_VERSION) &&
1489 (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
d02b48c6 1490 {
bc36ee62 1491# ifndef OPENSSL_NO_RSA
d02b48c6 1492 p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
dfeab068 1493# endif
bc36ee62 1494# ifndef OPENSSL_NO_DSA
d02b48c6 1495 p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
dfeab068 1496# endif
d02b48c6 1497 }
bc36ee62
RL		 1498#endif /* !OPENSSL_NO_DH */
1499#ifndef OPENSSL_NO_RSA
d02b48c6
RE		 1500 p[ret++]=SSL3_CT_RSA_SIGN;
1501#endif
bc36ee62 1502#ifndef OPENSSL_NO_DSA
58964a49 1503 p[ret++]=SSL3_CT_DSS_SIGN;
dfeab068 1504#endif
d02b48c6
RE		 1505 return(ret);
1506 }
1507
6b691a5c 1508int ssl3_shutdown(SSL *s)
d02b48c6
RE		 1509 {
1510
1511 /* Don't do anything much if we have not done the handshake or
1512 * we don't want to send messages :-) */
1513 if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
1514 {
1515 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1516 return(1);
1517 }
1518
1519 if (!(s->shutdown & SSL_SENT_SHUTDOWN))
1520 {
1521 s->shutdown|=SSL_SENT_SHUTDOWN;
1522#if 1
58964a49 1523 ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
d02b48c6
RE		 1524#endif
1525 /* our shutdown alert has been sent now, and if it still needs
1526 * to be written, s->s3->alert_dispatch will be true */
1527 }
1528 else if (s->s3->alert_dispatch)
1529 {
1530 /* resend it if not sent */
1531#if 1
1532 ssl3_dispatch_alert(s);
1533#endif
1534 }
1535 else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
1536 {
1537 /* If we are waiting for a close from our peer, we are closed */
5a4fbc69 1538 ssl3_read_bytes(s,0,NULL,0,0);
d02b48c6
RE		 1539 }
1540
1541 if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
1542 !s->s3->alert_dispatch)
1543 return(1);
1544 else
1545 return(0);
1546 }
1547
61f5b6f3 1548int ssl3_write(SSL *s, const void *buf, int len)
d02b48c6
RE		 1549 {
1550 int ret,n;
d02b48c6
RE		 1551
1552#if 0
1553 if (s->shutdown & SSL_SEND_SHUTDOWN)
1554 {
1555 s->rwstate=SSL_NOTHING;
1556 return(0);
1557 }
1558#endif
58964a49
RE		 1559 clear_sys_error();
1560 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
d02b48c6
RE		 1561
1562 /* This is an experimental flag that sends the
1563 * last handshake message in the same packet as the first
1564 * use data - used to see if it helps the TCP protocol during
1565 * session-id reuse */
1566 /* The second test is because the buffer may have been removed */
1567 if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
1568 {
1569 /* First time through, we write into the buffer */
1570 if (s->s3->delay_buf_pop_ret == 0)
1571 {
1572 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
e778802f 1573 buf,len);
d02b48c6
RE		 1574 if (ret <= 0) return(ret);
1575
1576 s->s3->delay_buf_pop_ret=ret;
1577 }
1578
1579 s->rwstate=SSL_WRITING;
1580 n=BIO_flush(s->wbio);
1581 if (n <= 0) return(n);
1582 s->rwstate=SSL_NOTHING;
1583
413c4f45
MC		 1584 /* We have flushed the buffer, so remove it */
1585 ssl_free_wbio_buffer(s);
1586 s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
1587
d02b48c6
RE		 1588 ret=s->s3->delay_buf_pop_ret;
1589 s->s3->delay_buf_pop_ret=0;
d02b48c6
RE		 1590 }
1591 else
1592 {
1593 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
e778802f 1594 buf,len);
d02b48c6
RE		 1595 if (ret <= 0) return(ret);
1596 }
58964a49 1597
d02b48c6
RE		 1598 return(ret);
1599 }
1600
5a4fbc69 1601static int ssl3_read_internal(SSL *s, void *buf, int len, int peek)
d02b48c6 1602 {
58964a49
RE		 1603 int ret;
1604
1605 clear_sys_error();
1606 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1607 s->s3->in_read_app_data=1;
5a4fbc69 1608 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
58964a49
RE		 1609 if ((ret == -1) && (s->s3->in_read_app_data == 0))
1610 {
b35e9050
BM		 1611 /* ssl3_read_bytes decided to call s->handshake_func, which
1612 * called ssl3_read_bytes to read handshake data.
1613 * However, ssl3_read_bytes actually found application data
1614 * and thinks that application data makes sense here (signalled
1615 * by resetting 'in_read_app_data', strangely); so disable
1616 * handshake processing and try to read application data again. */
58964a49 1617 s->in_handshake++;
5a4fbc69 1618 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
58964a49
RE		 1619 s->in_handshake--;
1620 }
1621 else
1622 s->s3->in_read_app_data=0;
1623
1624 return(ret);
d02b48c6
RE		 1625 }
1626
5a4fbc69 1627int ssl3_read(SSL *s, void *buf, int len)
d02b48c6 1628 {
5a4fbc69
BM		 1629 return ssl3_read_internal(s, buf, len, 0);
1630 }
d02b48c6 1631
e34cfcf7 1632int ssl3_peek(SSL *s, void *buf, int len)
5a4fbc69 1633 {
bdcfe1d1 1634 return ssl3_read_internal(s, buf, len, 1);
d02b48c6
RE		 1635 }
1636
6b691a5c 1637int ssl3_renegotiate(SSL *s)
d02b48c6
RE		 1638 {
1639 if (s->handshake_func == NULL)
1640 return(1);
1641
1642 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
1643 return(0);
1644
58964a49 1645 s->s3->renegotiate=1;
d02b48c6
RE		 1646 return(1);
1647 }
1648
6b691a5c 1649int ssl3_renegotiate_check(SSL *s)
58964a49
RE		 1650 {
1651 int ret=0;
1652
1653 if (s->s3->renegotiate)
1654 {
1655 if ( (s->s3->rbuf.left == 0) &&
1656 (s->s3->wbuf.left == 0) &&
1657 !SSL_in_init(s))
1658 {
1659/*
1660if we are the server, and we have sent a 'RENEGOTIATE' message, we
de808df4 1661need to go to SSL_ST_ACCEPT.
58964a49
RE		 1662*/
1663 /* SSL_ST_ACCEPT */
1664 s->state=SSL_ST_RENEGOTIATE;
1665 s->s3->renegotiate=0;
1666 s->s3->num_renegotiations++;
1667 s->s3->total_renegotiations++;
1668 ret=1;
1669 }
1670 }
1671 return(ret);
1672 }
1673
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