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                 if (SSL_C_IS_EXPORT(c))
1427                         {
1428                         ok=((alg & emask) == alg)?1:0;
1429 #ifdef CIPHER_DEBUG
1430                         printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
1431                                c,c->name);
1432 #endif
1433                         }
1434                 else
1435                         {
1436                         ok=((alg & mask) == alg)?1:0;
1437 #ifdef CIPHER_DEBUG
1438                         printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
1439                                c->name);
1440 #endif
1441                         }
1442
1443                 if (!ok) continue;
1444
1445                 j=sk_SSL_CIPHER_find(allow,c);
1446                 if (j >= 0)
1447                         {
1448                         ret=sk_SSL_CIPHER_value(allow,j);
1449                         break;
1450                         }
1451                 }
1452         return(ret);
1453         }
1454
1455 int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
1456         {
1457         int ret=0;
1458         unsigned long alg;
1459
1460         alg=s->s3->tmp.new_cipher->algorithms;
1461
1462 #ifndef OPENSSL_NO_DH
1463         if (alg & (SSL_kDHr|SSL_kEDH))
1464                 {
1465 #  ifndef OPENSSL_NO_RSA
1466                 p[ret++]=SSL3_CT_RSA_FIXED_DH;
1467 #  endif
1468 #  ifndef OPENSSL_NO_DSA
1469                 p[ret++]=SSL3_CT_DSS_FIXED_DH;
1470 #  endif
1471                 }
1472         if ((s->version == SSL3_VERSION) &&
1473                 (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
1474                 {
1475 #  ifndef OPENSSL_NO_RSA
1476                 p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
1477 #  endif
1478 #  ifndef OPENSSL_NO_DSA
1479                 p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
1480 #  endif
1481                 }
1482 #endif /* !OPENSSL_NO_DH */
1483 #ifndef OPENSSL_NO_RSA
1484         p[ret++]=SSL3_CT_RSA_SIGN;
1485 #endif
1486 #ifndef OPENSSL_NO_DSA
1487         p[ret++]=SSL3_CT_DSS_SIGN;
1488 #endif
1489         return(ret);
1490         }
1491
1492 int ssl3_shutdown(SSL *s)
1493         {
1494
1495         /* Don't do anything much if we have not done the handshake or
1496          * we don't want to send messages :-) */
1497         if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
1498                 {
1499                 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1500                 return(1);
1501                 }
1502
1503         if (!(s->shutdown & SSL_SENT_SHUTDOWN))
1504                 {
1505                 s->shutdown|=SSL_SENT_SHUTDOWN;
1506 #if 1
1507                 ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
1508 #endif
1509                 /* our shutdown alert has been sent now, and if it still needs
1510                  * to be written, s->s3->alert_dispatch will be true */
1511                 }
1512         else if (s->s3->alert_dispatch)
1513                 {
1514                 /* resend it if not sent */
1515 #if 1
1516                 ssl3_dispatch_alert(s);
1517 #endif
1518                 }
1519         else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
1520                 {
1521                 /* If we are waiting for a close from our peer, we are closed */
1522                 ssl3_read_bytes(s,0,NULL,0,0);
1523                 }
1524
1525         if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
1526                 !s->s3->alert_dispatch)
1527                 return(1);
1528         else
1529                 return(0);
1530         }
1531
1532 int ssl3_write(SSL *s, const void *buf, int len)
1533         {
1534         int ret,n;
1535
1536 #if 0
1537         if (s->shutdown & SSL_SEND_SHUTDOWN)
1538                 {
1539                 s->rwstate=SSL_NOTHING;
1540                 return(0);
1541                 }
1542 #endif
1543         clear_sys_error();
1544         if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1545
1546         /* This is an experimental flag that sends the
1547          * last handshake message in the same packet as the first
1548          * use data - used to see if it helps the TCP protocol during
1549          * session-id reuse */
1550         /* The second test is because the buffer may have been removed */
1551         if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
1552                 {
1553                 /* First time through, we write into the buffer */
1554                 if (s->s3->delay_buf_pop_ret == 0)
1555                         {
1556                         ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1557                                              buf,len);
1558                         if (ret <= 0) return(ret);
1559
1560                         s->s3->delay_buf_pop_ret=ret;
1561                         }
1562
1563                 s->rwstate=SSL_WRITING;
1564                 n=BIO_flush(s->wbio);
1565                 if (n <= 0) return(n);
1566                 s->rwstate=SSL_NOTHING;
1567
1568                 /* We have flushed the buffer, so remove it */
1569                 ssl_free_wbio_buffer(s);
1570                 s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
1571
1572                 ret=s->s3->delay_buf_pop_ret;
1573                 s->s3->delay_buf_pop_ret=0;
1574                 }
1575         else
1576                 {
1577                 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1578                                      buf,len);
1579                 if (ret <= 0) return(ret);
1580                 }
1581
1582         return(ret);
1583         }
1584
1585 static int ssl3_read_internal(SSL *s, void *buf, int len, int peek)
1586         {
1587         int ret;
1588
1589         clear_sys_error();
1590         if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1591         s->s3->in_read_app_data=1;
1592         ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1593         if ((ret == -1) && (s->s3->in_read_app_data == 0))
1594                 {
1595                 /* ssl3_read_bytes decided to call s->handshake_func, which
1596                  * called ssl3_read_bytes to read handshake data.
1597                  * However, ssl3_read_bytes actually found application data
1598                  * and thinks that application data makes sense here (signalled
1599                  * by resetting 'in_read_app_data', strangely); so disable
1600                  * handshake processing and try to read application data again. */
1601                 s->in_handshake++;
1602                 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1603                 s->in_handshake--;
1604                 }
1605         else
1606                 s->s3->in_read_app_data=0;
1607
1608         return(ret);
1609         }
1610
1611 int ssl3_read(SSL *s, void *buf, int len)
1612         {
1613         return ssl3_read_internal(s, buf, len, 0);
1614         }
1615
1616 int ssl3_peek(SSL *s, void *buf, int len)
1617         {
1618         return ssl3_read_internal(s, buf, len, 1);
1619         }
1620
1621 int ssl3_renegotiate(SSL *s)
1622         {
1623         if (s->handshake_func == NULL)
1624                 return(1);
1625
1626         if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
1627                 return(0);
1628
1629         s->s3->renegotiate=1;
1630         return(1);
1631         }
1632
1633 int ssl3_renegotiate_check(SSL *s)
1634         {
1635         int ret=0;
1636
1637         if (s->s3->renegotiate)
1638                 {
1639                 if (    (s->s3->rbuf.left == 0) &&
1640                         (s->s3->wbuf.left == 0) &&
1641                         !SSL_in_init(s))
1642                         {
1643 /*
1644 if we are the server, and we have sent a 'RENEGOTIATE' message, we
1645 need to go to SSL_ST_ACCEPT.
1646 */
1647                         /* SSL_ST_ACCEPT */
1648                         s->state=SSL_ST_RENEGOTIATE;
1649                         s->s3->renegotiate=0;
1650                         s->s3->num_renegotiations++;
1651                         s->s3->total_renegotiations++;
1652                         ret=1;
1653                         }
1654                 }
1655         return(ret);
1656         }
1657