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) 1998-2002 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 #include "kssl_lcl.h"
 116 #include <openssl/md5.h>
 117
 118 const char *ssl3_version_str="SSLv3" OPENSSL_VERSION_PTEXT;
 119
 120 #define SSL3_NUM_CIPHERS        (sizeof(ssl3_ciphers)/sizeof(SSL_CIPHER))
 121
 122 static long ssl3_default_timeout(void );
 123
 124 OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
 125 /* The RSA ciphers */
 126 /* Cipher 01 */
 127         {
 128         1,
 129         SSL3_TXT_RSA_NULL_MD5,
 130         SSL3_CK_RSA_NULL_MD5,
 131         SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_MD5|SSL_SSLV3,
 132         SSL_NOT_EXP|SSL_STRONG_NONE,
 133         0,
 134         0,
 135         0,
 136         SSL_ALL_CIPHERS,
 137         SSL_ALL_STRENGTHS,
 138         },
 139 /* Cipher 02 */
 140         {
 141         1,
 142         SSL3_TXT_RSA_NULL_SHA,
 143         SSL3_CK_RSA_NULL_SHA,
 144         SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_SHA1|SSL_SSLV3,
 145         SSL_NOT_EXP|SSL_STRONG_NONE,
 146         0,
 147         0,
 148         0,
 149         SSL_ALL_CIPHERS,
 150         SSL_ALL_STRENGTHS,
 151         },
 152
 153 /* anon DH */
 154 /* Cipher 17 */
 155         {
 156         1,
 157         SSL3_TXT_ADH_RC4_40_MD5,
 158         SSL3_CK_ADH_RC4_40_MD5,
 159         SSL_kEDH |SSL_aNULL|SSL_RC4  |SSL_MD5 |SSL_SSLV3,
 160         SSL_EXPORT|SSL_EXP40,
 161         0,
 162         40,
 163         128,
 164         SSL_ALL_CIPHERS,
 165         SSL_ALL_STRENGTHS,
 166         },
 167 /* Cipher 18 */
 168         {
 169         1,
 170         SSL3_TXT_ADH_RC4_128_MD5,
 171         SSL3_CK_ADH_RC4_128_MD5,
 172         SSL_kEDH |SSL_aNULL|SSL_RC4  |SSL_MD5 |SSL_SSLV3,
 173         SSL_NOT_EXP|SSL_MEDIUM,
 174         0,
 175         128,
 176         128,
 177         SSL_ALL_CIPHERS,
 178         SSL_ALL_STRENGTHS,
 179         },
 180 /* Cipher 19 */
 181         {
 182         1,
 183         SSL3_TXT_ADH_DES_40_CBC_SHA,
 184         SSL3_CK_ADH_DES_40_CBC_SHA,
 185         SSL_kEDH |SSL_aNULL|SSL_DES|SSL_SHA1|SSL_SSLV3,
 186         SSL_EXPORT|SSL_EXP40,
 187         0,
 188         40,
 189         128,
 190         SSL_ALL_CIPHERS,
 191         SSL_ALL_STRENGTHS,
 192         },
 193 /* Cipher 1A */
 194         {
 195         1,
 196         SSL3_TXT_ADH_DES_64_CBC_SHA,
 197         SSL3_CK_ADH_DES_64_CBC_SHA,
 198         SSL_kEDH |SSL_aNULL|SSL_DES  |SSL_SHA1|SSL_SSLV3,
 199         SSL_NOT_EXP|SSL_LOW,
 200         0,
 201         56,
 202         56,
 203         SSL_ALL_CIPHERS,
 204         SSL_ALL_STRENGTHS,
 205         },
 206 /* Cipher 1B */
 207         {
 208         1,
 209         SSL3_TXT_ADH_DES_192_CBC_SHA,
 210         SSL3_CK_ADH_DES_192_CBC_SHA,
 211         SSL_kEDH |SSL_aNULL|SSL_3DES |SSL_SHA1|SSL_SSLV3,
 212         SSL_NOT_EXP|SSL_HIGH,
 213         0,
 214         168,
 215         168,
 216         SSL_ALL_CIPHERS,
 217         SSL_ALL_STRENGTHS,
 218         },
 219
 220 /* RSA again */
 221 /* Cipher 03 */
 222         {
 223         1,
 224         SSL3_TXT_RSA_RC4_40_MD5,
 225         SSL3_CK_RSA_RC4_40_MD5,
 226         SSL_kRSA|SSL_aRSA|SSL_RC4  |SSL_MD5 |SSL_SSLV3,
 227         SSL_EXPORT|SSL_EXP40,
 228         0,
 229         40,
 230         128,
 231         SSL_ALL_CIPHERS,
 232         SSL_ALL_STRENGTHS,
 233         },
 234 /* Cipher 04 */
 235         {
 236         1,
 237         SSL3_TXT_RSA_RC4_128_MD5,
 238         SSL3_CK_RSA_RC4_128_MD5,
 239         SSL_kRSA|SSL_aRSA|SSL_RC4  |SSL_MD5|SSL_SSLV3,
 240         SSL_NOT_EXP|SSL_MEDIUM,
 241         0,
 242         128,
 243         128,
 244         SSL_ALL_CIPHERS,
 245         SSL_ALL_STRENGTHS,
 246         },
 247 /* Cipher 05 */
 248         {
 249         1,
 250         SSL3_TXT_RSA_RC4_128_SHA,
 251         SSL3_CK_RSA_RC4_128_SHA,
 252         SSL_kRSA|SSL_aRSA|SSL_RC4  |SSL_SHA1|SSL_SSLV3,
 253         SSL_NOT_EXP|SSL_MEDIUM,
 254         0,
 255         128,
 256         128,
 257         SSL_ALL_CIPHERS,
 258         SSL_ALL_STRENGTHS,
 259         },
 260 /* Cipher 06 */
 261         {
 262         1,
 263         SSL3_TXT_RSA_RC2_40_MD5,
 264         SSL3_CK_RSA_RC2_40_MD5,
 265         SSL_kRSA|SSL_aRSA|SSL_RC2  |SSL_MD5 |SSL_SSLV3,
 266         SSL_EXPORT|SSL_EXP40,
 267         0,
 268         40,
 269         128,
 270         SSL_ALL_CIPHERS,
 271         SSL_ALL_STRENGTHS,
 272         },
 273 /* Cipher 07 */
 274         {
 275         1,
 276         SSL3_TXT_RSA_IDEA_128_SHA,
 277         SSL3_CK_RSA_IDEA_128_SHA,
 278         SSL_kRSA|SSL_aRSA|SSL_IDEA |SSL_SHA1|SSL_SSLV3,
 279         SSL_NOT_EXP|SSL_MEDIUM,
 280         0,
 281         128,
 282         128,
 283         SSL_ALL_CIPHERS,
 284         SSL_ALL_STRENGTHS,
 285         },
 286 /* Cipher 08 */
 287         {
 288         1,
 289         SSL3_TXT_RSA_DES_40_CBC_SHA,
 290         SSL3_CK_RSA_DES_40_CBC_SHA,
 291         SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
 292         SSL_EXPORT|SSL_EXP40,
 293         0,
 294         40,
 295         56,
 296         SSL_ALL_CIPHERS,
 297         SSL_ALL_STRENGTHS,
 298         },
 299 /* Cipher 09 */
 300         {
 301         1,
 302         SSL3_TXT_RSA_DES_64_CBC_SHA,
 303         SSL3_CK_RSA_DES_64_CBC_SHA,
 304         SSL_kRSA|SSL_aRSA|SSL_DES  |SSL_SHA1|SSL_SSLV3,
 305         SSL_NOT_EXP|SSL_LOW,
 306         0,
 307         56,
 308         56,
 309         SSL_ALL_CIPHERS,
 310         SSL_ALL_STRENGTHS,
 311         },
 312 /* Cipher 0A */
 313         {
 314         1,
 315         SSL3_TXT_RSA_DES_192_CBC3_SHA,
 316         SSL3_CK_RSA_DES_192_CBC3_SHA,
 317         SSL_kRSA|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
 318         SSL_NOT_EXP|SSL_HIGH,
 319         0,
 320         168,
 321         168,
 322         SSL_ALL_CIPHERS,
 323         SSL_ALL_STRENGTHS,
 324         },
 325
 326 /*  The DH ciphers */
 327 /* Cipher 0B */
 328         {
 329         0,
 330         SSL3_TXT_DH_DSS_DES_40_CBC_SHA,
 331         SSL3_CK_DH_DSS_DES_40_CBC_SHA,
 332         SSL_kDHd |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
 333         SSL_EXPORT|SSL_EXP40,
 334         0,
 335         40,
 336         56,
 337         SSL_ALL_CIPHERS,
 338         SSL_ALL_STRENGTHS,
 339         },
 340 /* Cipher 0C */
 341         {
 342         0,
 343         SSL3_TXT_DH_DSS_DES_64_CBC_SHA,
 344         SSL3_CK_DH_DSS_DES_64_CBC_SHA,
 345         SSL_kDHd |SSL_aDH|SSL_DES  |SSL_SHA1|SSL_SSLV3,
 346         SSL_NOT_EXP|SSL_LOW,
 347         0,
 348         56,
 349         56,
 350         SSL_ALL_CIPHERS,
 351         SSL_ALL_STRENGTHS,
 352         },
 353 /* Cipher 0D */
 354         {
 355         0,
 356         SSL3_TXT_DH_DSS_DES_192_CBC3_SHA,
 357         SSL3_CK_DH_DSS_DES_192_CBC3_SHA,
 358         SSL_kDHd |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
 359         SSL_NOT_EXP|SSL_HIGH,
 360         0,
 361         168,
 362         168,
 363         SSL_ALL_CIPHERS,
 364         SSL_ALL_STRENGTHS,
 365         },
 366 /* Cipher 0E */
 367         {
 368         0,
 369         SSL3_TXT_DH_RSA_DES_40_CBC_SHA,
 370         SSL3_CK_DH_RSA_DES_40_CBC_SHA,
 371         SSL_kDHr |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
 372         SSL_EXPORT|SSL_EXP40,
 373         0,
 374         40,
 375         56,
 376         SSL_ALL_CIPHERS,
 377         SSL_ALL_STRENGTHS,
 378         },
 379 /* Cipher 0F */
 380         {
 381         0,
 382         SSL3_TXT_DH_RSA_DES_64_CBC_SHA,
 383         SSL3_CK_DH_RSA_DES_64_CBC_SHA,
 384         SSL_kDHr |SSL_aDH|SSL_DES  |SSL_SHA1|SSL_SSLV3,
 385         SSL_NOT_EXP|SSL_LOW,
 386         0,
 387         56,
 388         56,
 389         SSL_ALL_CIPHERS,
 390         SSL_ALL_STRENGTHS,
 391         },
 392 /* Cipher 10 */
 393         {
 394         0,
 395         SSL3_TXT_DH_RSA_DES_192_CBC3_SHA,
 396         SSL3_CK_DH_RSA_DES_192_CBC3_SHA,
 397         SSL_kDHr |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
 398         SSL_NOT_EXP|SSL_HIGH,
 399         0,
 400         168,
 401         168,
 402         SSL_ALL_CIPHERS,
 403         SSL_ALL_STRENGTHS,
 404         },
 405
 406 /* The Ephemeral DH ciphers */
 407 /* Cipher 11 */
 408         {
 409         1,
 410         SSL3_TXT_EDH_DSS_DES_40_CBC_SHA,
 411         SSL3_CK_EDH_DSS_DES_40_CBC_SHA,
 412         SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA1|SSL_SSLV3,
 413         SSL_EXPORT|SSL_EXP40,
 414         0,
 415         40,
 416         56,
 417         SSL_ALL_CIPHERS,
 418         SSL_ALL_STRENGTHS,
 419         },
 420 /* Cipher 12 */
 421         {
 422         1,
 423         SSL3_TXT_EDH_DSS_DES_64_CBC_SHA,
 424         SSL3_CK_EDH_DSS_DES_64_CBC_SHA,
 425         SSL_kEDH|SSL_aDSS|SSL_DES  |SSL_SHA1|SSL_SSLV3,
 426         SSL_NOT_EXP|SSL_LOW,
 427         0,
 428         56,
 429         56,
 430         SSL_ALL_CIPHERS,
 431         SSL_ALL_STRENGTHS,
 432         },
 433 /* Cipher 13 */
 434         {
 435         1,
 436         SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA,
 437         SSL3_CK_EDH_DSS_DES_192_CBC3_SHA,
 438         SSL_kEDH|SSL_aDSS|SSL_3DES |SSL_SHA1|SSL_SSLV3,
 439         SSL_NOT_EXP|SSL_HIGH,
 440         0,
 441         168,
 442         168,
 443         SSL_ALL_CIPHERS,
 444         SSL_ALL_STRENGTHS,
 445         },
 446 /* Cipher 14 */
 447         {
 448         1,
 449         SSL3_TXT_EDH_RSA_DES_40_CBC_SHA,
 450         SSL3_CK_EDH_RSA_DES_40_CBC_SHA,
 451         SSL_kEDH|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
 452         SSL_EXPORT|SSL_EXP40,
 453         0,
 454         40,
 455         56,
 456         SSL_ALL_CIPHERS,
 457         SSL_ALL_STRENGTHS,
 458         },
 459 /* Cipher 15 */
 460         {
 461         1,
 462         SSL3_TXT_EDH_RSA_DES_64_CBC_SHA,
 463         SSL3_CK_EDH_RSA_DES_64_CBC_SHA,
 464         SSL_kEDH|SSL_aRSA|SSL_DES  |SSL_SHA1|SSL_SSLV3,
 465         SSL_NOT_EXP|SSL_LOW,
 466         0,
 467         56,
 468         56,
 469         SSL_ALL_CIPHERS,
 470         SSL_ALL_STRENGTHS,
 471         },
 472 /* Cipher 16 */
 473         {
 474         1,
 475         SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA,
 476         SSL3_CK_EDH_RSA_DES_192_CBC3_SHA,
 477         SSL_kEDH|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
 478         SSL_NOT_EXP|SSL_HIGH,
 479         0,
 480         168,
 481         168,
 482         SSL_ALL_CIPHERS,
 483         SSL_ALL_STRENGTHS,
 484         },
 485
 486 /* Fortezza */
 487 /* Cipher 1C */
 488         {
 489         0,
 490         SSL3_TXT_FZA_DMS_NULL_SHA,
 491         SSL3_CK_FZA_DMS_NULL_SHA,
 492         SSL_kFZA|SSL_aFZA |SSL_eNULL |SSL_SHA1|SSL_SSLV3,
 493         SSL_NOT_EXP|SSL_STRONG_NONE,
 494         0,
 495         0,
 496         0,
 497         SSL_ALL_CIPHERS,
 498         SSL_ALL_STRENGTHS,
 499         },
 500
 501 /* Cipher 1D */
 502         {
 503         0,
 504         SSL3_TXT_FZA_DMS_FZA_SHA,
 505         SSL3_CK_FZA_DMS_FZA_SHA,
 506         SSL_kFZA|SSL_aFZA |SSL_eFZA |SSL_SHA1|SSL_SSLV3,
 507         SSL_NOT_EXP|SSL_STRONG_NONE,
 508         0,
 509         0,
 510         0,
 511         SSL_ALL_CIPHERS,
 512         SSL_ALL_STRENGTHS,
 513         },
 514
 515 #if 0
 516 /* Cipher 1E */
 517         {
 518         0,
 519         SSL3_TXT_FZA_DMS_RC4_SHA,
 520         SSL3_CK_FZA_DMS_RC4_SHA,
 521         SSL_kFZA|SSL_aFZA |SSL_RC4  |SSL_SHA1|SSL_SSLV3,
 522         SSL_NOT_EXP|SSL_MEDIUM,
 523         0,
 524         128,
 525         128,
 526         SSL_ALL_CIPHERS,
 527         SSL_ALL_STRENGTHS,
 528         },
 529 #endif
 530
 531 #ifndef OPENSSL_NO_KRB5
 532 /* The Kerberos ciphers
 533 ** 20000107 VRS: And the first shall be last,
 534 ** in hopes of avoiding the lynx ssl renegotiation problem.
 535 */
 536 /* Cipher 1E VRS */
 537         {
 538         1,
 539         SSL3_TXT_KRB5_DES_64_CBC_SHA,
 540         SSL3_CK_KRB5_DES_64_CBC_SHA,
 541         SSL_kKRB5|SSL_aKRB5|  SSL_DES|SSL_SHA1   |SSL_SSLV3,
 542         SSL_NOT_EXP|SSL_LOW,
 543         0,
 544         56,
 545         56,
 546         SSL_ALL_CIPHERS,
 547         SSL_ALL_STRENGTHS,
 548         },
 549
 550 /* Cipher 1F VRS */
 551         {
 552         1,
 553         SSL3_TXT_KRB5_DES_192_CBC3_SHA,
 554         SSL3_CK_KRB5_DES_192_CBC3_SHA,
 555         SSL_kKRB5|SSL_aKRB5|  SSL_3DES|SSL_SHA1  |SSL_SSLV3,
 556         SSL_NOT_EXP|SSL_HIGH,
 557         0,
 558         112,
 559         168,
 560         SSL_ALL_CIPHERS,
 561         SSL_ALL_STRENGTHS,
 562         },
 563
 564 /* Cipher 20 VRS */
 565         {
 566         1,
 567         SSL3_TXT_KRB5_RC4_128_SHA,
 568         SSL3_CK_KRB5_RC4_128_SHA,
 569         SSL_kKRB5|SSL_aKRB5|  SSL_RC4|SSL_SHA1  |SSL_SSLV3,
 570         SSL_NOT_EXP|SSL_MEDIUM,
 571         0,
 572         128,
 573         128,
 574         SSL_ALL_CIPHERS,
 575         SSL_ALL_STRENGTHS,
 576         },
 577
 578 /* Cipher 21 VRS */
 579         {
 580         1,
 581         SSL3_TXT_KRB5_IDEA_128_CBC_SHA,
 582         SSL3_CK_KRB5_IDEA_128_CBC_SHA,
 583         SSL_kKRB5|SSL_aKRB5|  SSL_IDEA|SSL_SHA1  |SSL_SSLV3,
 584         SSL_NOT_EXP|SSL_MEDIUM,
 585         0,
 586         128,
 587         128,
 588         SSL_ALL_CIPHERS,
 589         SSL_ALL_STRENGTHS,
 590         },
 591
 592 /* Cipher 22 VRS */
 593         {
 594         1,
 595         SSL3_TXT_KRB5_DES_64_CBC_MD5,
 596         SSL3_CK_KRB5_DES_64_CBC_MD5,
 597         SSL_kKRB5|SSL_aKRB5|  SSL_DES|SSL_MD5    |SSL_SSLV3,
 598         SSL_NOT_EXP|SSL_LOW,
 599         0,
 600         56,
 601         56,
 602         SSL_ALL_CIPHERS,
 603         SSL_ALL_STRENGTHS,
 604         },
 605
 606 /* Cipher 23 VRS */
 607         {
 608         1,
 609         SSL3_TXT_KRB5_DES_192_CBC3_MD5,
 610         SSL3_CK_KRB5_DES_192_CBC3_MD5,
 611         SSL_kKRB5|SSL_aKRB5|  SSL_3DES|SSL_MD5   |SSL_SSLV3,
 612         SSL_NOT_EXP|SSL_HIGH,
 613         0,
 614         112,
 615         168,
 616         SSL_ALL_CIPHERS,
 617         SSL_ALL_STRENGTHS,
 618         },
 619
 620 /* Cipher 24 VRS */
 621         {
 622         1,
 623         SSL3_TXT_KRB5_RC4_128_MD5,
 624         SSL3_CK_KRB5_RC4_128_MD5,
 625         SSL_kKRB5|SSL_aKRB5|  SSL_RC4|SSL_MD5  |SSL_SSLV3,
 626         SSL_NOT_EXP|SSL_MEDIUM,
 627         0,
 628         128,
 629         128,
 630         SSL_ALL_CIPHERS,
 631         SSL_ALL_STRENGTHS,
 632         },
 633
 634 /* Cipher 25 VRS */
 635         {
 636         1,
 637         SSL3_TXT_KRB5_IDEA_128_CBC_MD5,
 638         SSL3_CK_KRB5_IDEA_128_CBC_MD5,
 639         SSL_kKRB5|SSL_aKRB5|  SSL_IDEA|SSL_MD5  |SSL_SSLV3,
 640         SSL_NOT_EXP|SSL_MEDIUM,
 641         0,
 642         128,
 643         128,
 644         SSL_ALL_CIPHERS,
 645         SSL_ALL_STRENGTHS,
 646         },
 647
 648 /* Cipher 26 VRS */
 649         {
 650         1,
 651         SSL3_TXT_KRB5_DES_40_CBC_SHA,
 652         SSL3_CK_KRB5_DES_40_CBC_SHA,
 653         SSL_kKRB5|SSL_aKRB5|  SSL_DES|SSL_SHA1   |SSL_SSLV3,
 654         SSL_EXPORT|SSL_EXP40,
 655         0,
 656         40,
 657         56,
 658         SSL_ALL_CIPHERS,
 659         SSL_ALL_STRENGTHS,
 660         },
 661
 662 /* Cipher 27 VRS */
 663         {
 664         1,
 665         SSL3_TXT_KRB5_RC2_40_CBC_SHA,
 666         SSL3_CK_KRB5_RC2_40_CBC_SHA,
 667         SSL_kKRB5|SSL_aKRB5|  SSL_RC2|SSL_SHA1   |SSL_SSLV3,
 668         SSL_EXPORT|SSL_EXP40,
 669         0,
 670         40,
 671         128,
 672         SSL_ALL_CIPHERS,
 673         SSL_ALL_STRENGTHS,
 674         },
 675
 676 /* Cipher 28 VRS */
 677         {
 678         1,
 679         SSL3_TXT_KRB5_RC4_40_SHA,
 680         SSL3_CK_KRB5_RC4_40_SHA,
 681         SSL_kKRB5|SSL_aKRB5|  SSL_RC4|SSL_SHA1   |SSL_SSLV3,
 682         SSL_EXPORT|SSL_EXP40,
 683         0,
 684         128,
 685         128,
 686         SSL_ALL_CIPHERS,
 687         SSL_ALL_STRENGTHS,
 688         },
 689
 690 /* Cipher 29 VRS */
 691         {
 692         1,
 693         SSL3_TXT_KRB5_DES_40_CBC_MD5,
 694         SSL3_CK_KRB5_DES_40_CBC_MD5,
 695         SSL_kKRB5|SSL_aKRB5|  SSL_DES|SSL_MD5    |SSL_SSLV3,
 696         SSL_EXPORT|SSL_EXP40,
 697         0,
 698         40,
 699         56,
 700         SSL_ALL_CIPHERS,
 701         SSL_ALL_STRENGTHS,
 702         },
 703
 704 /* Cipher 2A VRS */
 705         {
 706         1,
 707         SSL3_TXT_KRB5_RC2_40_CBC_MD5,
 708         SSL3_CK_KRB5_RC2_40_CBC_MD5,
 709         SSL_kKRB5|SSL_aKRB5|  SSL_RC2|SSL_MD5    |SSL_SSLV3,
 710         SSL_EXPORT|SSL_EXP40,
 711         0,
 712         40,
 713         128,
 714         SSL_ALL_CIPHERS,
 715         SSL_ALL_STRENGTHS,
 716         },
 717
 718 /* Cipher 2B VRS */
 719         {
 720         1,
 721         SSL3_TXT_KRB5_RC4_40_MD5,
 722         SSL3_CK_KRB5_RC4_40_MD5,
 723         SSL_kKRB5|SSL_aKRB5|  SSL_RC4|SSL_MD5    |SSL_SSLV3,
 724         SSL_EXPORT|SSL_EXP40,
 725         0,
 726         128,
 727         128,
 728         SSL_ALL_CIPHERS,
 729         SSL_ALL_STRENGTHS,
 730         },
 731 #endif  /* OPENSSL_NO_KRB5 */
 732
 733
 734 #if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
 735         /* New TLS Export CipherSuites */
 736         /* Cipher 60 */
 737             {
 738             1,
 739             TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5,
 740             TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5,
 741             SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_TLSV1,
 742             SSL_EXPORT|SSL_EXP56,
 743             0,
 744             56,
 745             128,
 746             SSL_ALL_CIPHERS,
 747             SSL_ALL_STRENGTHS,
 748             },
 749         /* Cipher 61 */
 750             {
 751             1,
 752             TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
 753             TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
 754             SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_TLSV1,
 755             SSL_EXPORT|SSL_EXP56,
 756             0,
 757             56,
 758             128,
 759             SSL_ALL_CIPHERS,
 760             SSL_ALL_STRENGTHS,
 761             },
 762         /* Cipher 62 */
 763             {
 764             1,
 765             TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA,
 766             TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA,
 767             SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA|SSL_TLSV1,
 768             SSL_EXPORT|SSL_EXP56,
 769             0,
 770             56,
 771             56,
 772             SSL_ALL_CIPHERS,
 773             SSL_ALL_STRENGTHS,
 774             },
 775         /* Cipher 63 */
 776             {
 777             1,
 778             TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
 779             TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
 780             SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA|SSL_TLSV1,
 781             SSL_EXPORT|SSL_EXP56,
 782             0,
 783             56,
 784             56,
 785             SSL_ALL_CIPHERS,
 786             SSL_ALL_STRENGTHS,
 787             },
 788         /* Cipher 64 */
 789             {
 790             1,
 791             TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA,
 792             TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA,
 793             SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
 794             SSL_EXPORT|SSL_EXP56,
 795             0,
 796             56,
 797             128,
 798             SSL_ALL_CIPHERS,
 799             SSL_ALL_STRENGTHS,
 800             },
 801         /* Cipher 65 */
 802             {
 803             1,
 804             TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
 805             TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
 806             SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
 807             SSL_EXPORT|SSL_EXP56,
 808             0,
 809             56,
 810             128,
 811             SSL_ALL_CIPHERS,
 812             SSL_ALL_STRENGTHS,
 813             },
 814         /* Cipher 66 */
 815             {
 816             1,
 817             TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA,
 818             TLS1_CK_DHE_DSS_WITH_RC4_128_SHA,
 819             SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
 820             SSL_NOT_EXP|SSL_MEDIUM,
 821             0,
 822             128,
 823             128,
 824             SSL_ALL_CIPHERS,
 825             SSL_ALL_STRENGTHS
 826             },
 827 #endif
 828         /* New AES ciphersuites */
 829
 830         /* Cipher 2F */
 831             {
 832             1,
 833             TLS1_TXT_RSA_WITH_AES_128_SHA,
 834             TLS1_CK_RSA_WITH_AES_128_SHA,
 835             SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
 836             SSL_NOT_EXP|SSL_MEDIUM,
 837             0,
 838             128,
 839             128,
 840             SSL_ALL_CIPHERS,
 841             SSL_ALL_STRENGTHS,
 842             },
 843         /* Cipher 30 */
 844             {
 845             0,
 846             TLS1_TXT_DH_DSS_WITH_AES_128_SHA,
 847             TLS1_CK_DH_DSS_WITH_AES_128_SHA,
 848             SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
 849             SSL_NOT_EXP|SSL_MEDIUM,
 850             0,
 851             128,
 852             128,
 853             SSL_ALL_CIPHERS,
 854             SSL_ALL_STRENGTHS,
 855             },
 856         /* Cipher 31 */
 857             {
 858             0,
 859             TLS1_TXT_DH_RSA_WITH_AES_128_SHA,
 860             TLS1_CK_DH_RSA_WITH_AES_128_SHA,
 861             SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
 862             SSL_NOT_EXP|SSL_MEDIUM,
 863             0,
 864             128,
 865             128,
 866             SSL_ALL_CIPHERS,
 867             SSL_ALL_STRENGTHS,
 868             },
 869         /* Cipher 32 */
 870             {
 871             1,
 872             TLS1_TXT_DHE_DSS_WITH_AES_128_SHA,
 873             TLS1_CK_DHE_DSS_WITH_AES_128_SHA,
 874             SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
 875             SSL_NOT_EXP|SSL_MEDIUM,
 876             0,
 877             128,
 878             128,
 879             SSL_ALL_CIPHERS,
 880             SSL_ALL_STRENGTHS,
 881             },
 882         /* Cipher 33 */
 883             {
 884             1,
 885             TLS1_TXT_DHE_RSA_WITH_AES_128_SHA,
 886             TLS1_CK_DHE_RSA_WITH_AES_128_SHA,
 887             SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
 888             SSL_NOT_EXP|SSL_MEDIUM,
 889             0,
 890             128,
 891             128,
 892             SSL_ALL_CIPHERS,
 893             SSL_ALL_STRENGTHS,
 894             },
 895         /* Cipher 34 */
 896             {
 897             1,
 898             TLS1_TXT_ADH_WITH_AES_128_SHA,
 899             TLS1_CK_ADH_WITH_AES_128_SHA,
 900             SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
 901             SSL_NOT_EXP|SSL_MEDIUM,
 902             0,
 903             128,
 904             128,
 905             SSL_ALL_CIPHERS,
 906             SSL_ALL_STRENGTHS,
 907             },
 908
 909         /* Cipher 35 */
 910             {
 911             1,
 912             TLS1_TXT_RSA_WITH_AES_256_SHA,
 913             TLS1_CK_RSA_WITH_AES_256_SHA,
 914             SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
 915             SSL_NOT_EXP|SSL_HIGH,
 916             0,
 917             256,
 918             256,
 919             SSL_ALL_CIPHERS,
 920             SSL_ALL_STRENGTHS,
 921             },
 922         /* Cipher 36 */
 923             {
 924             0,
 925             TLS1_TXT_DH_DSS_WITH_AES_256_SHA,
 926             TLS1_CK_DH_DSS_WITH_AES_256_SHA,
 927             SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
 928             SSL_NOT_EXP|SSL_HIGH,
 929             0,
 930             256,
 931             256,
 932             SSL_ALL_CIPHERS,
 933             SSL_ALL_STRENGTHS,
 934             },
 935         /* Cipher 37 */
 936             {
 937             0,
 938             TLS1_TXT_DH_RSA_WITH_AES_256_SHA,
 939             TLS1_CK_DH_RSA_WITH_AES_256_SHA,
 940             SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
 941             SSL_NOT_EXP|SSL_HIGH,
 942             0,
 943             256,
 944             256,
 945             SSL_ALL_CIPHERS,
 946             SSL_ALL_STRENGTHS,
 947             },
 948         /* Cipher 38 */
 949             {
 950             1,
 951             TLS1_TXT_DHE_DSS_WITH_AES_256_SHA,
 952             TLS1_CK_DHE_DSS_WITH_AES_256_SHA,
 953             SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
 954             SSL_NOT_EXP|SSL_HIGH,
 955             0,
 956             256,
 957             256,
 958             SSL_ALL_CIPHERS,
 959             SSL_ALL_STRENGTHS,
 960             },
 961         /* Cipher 39 */
 962             {
 963             1,
 964             TLS1_TXT_DHE_RSA_WITH_AES_256_SHA,
 965             TLS1_CK_DHE_RSA_WITH_AES_256_SHA,
 966             SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
 967             SSL_NOT_EXP|SSL_HIGH,
 968             0,
 969             256,
 970             256,
 971             SSL_ALL_CIPHERS,
 972             SSL_ALL_STRENGTHS,
 973             },
 974         /* Cipher 3A */
 975             {
 976             1,
 977             TLS1_TXT_ADH_WITH_AES_256_SHA,
 978             TLS1_CK_ADH_WITH_AES_256_SHA,
 979             SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
 980             SSL_NOT_EXP|SSL_HIGH,
 981             0,
 982             256,
 983             256,
 984             SSL_ALL_CIPHERS,
 985             SSL_ALL_STRENGTHS,
 986             },
 987
 988 /* end of list */
 989         };
 990
 991 static SSL3_ENC_METHOD SSLv3_enc_data={
 992         ssl3_enc,
 993         ssl3_mac,
 994         ssl3_setup_key_block,
 995         ssl3_generate_master_secret,
 996         ssl3_change_cipher_state,
 997         ssl3_final_finish_mac,
 998         MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
 999         ssl3_cert_verify_mac,
1000         SSL3_MD_CLIENT_FINISHED_CONST,4,
1001         SSL3_MD_SERVER_FINISHED_CONST,4,
1002         ssl3_alert_code,
1003         };
1004
1005 static SSL_METHOD SSLv3_data= {
1006         SSL3_VERSION,
1007         ssl3_new,
1008         ssl3_clear,
1009         ssl3_free,
1010         ssl_undefined_function,
1011         ssl_undefined_function,
1012         ssl3_read,
1013         ssl3_peek,
1014         ssl3_write,
1015         ssl3_shutdown,
1016         ssl3_renegotiate,
1017         ssl3_renegotiate_check,
1018         ssl3_ctrl,
1019         ssl3_ctx_ctrl,
1020         ssl3_get_cipher_by_char,
1021         ssl3_put_cipher_by_char,
1022         ssl3_pending,
1023         ssl3_num_ciphers,
1024         ssl3_get_cipher,
1025         ssl_bad_method,
1026         ssl3_default_timeout,
1027         &SSLv3_enc_data,
1028         ssl_undefined_function,
1029         ssl3_callback_ctrl,
1030         ssl3_ctx_callback_ctrl,
1031         };
1032
1033 static long ssl3_default_timeout(void)
1034         {
1035         /* 2 hours, the 24 hours mentioned in the SSLv3 spec
1036          * is way too long for http, the cache would over fill */
1037         return(60*60*2);
1038         }
1039
1040 SSL_METHOD *sslv3_base_method(void)
1041         {
1042         return(&SSLv3_data);
1043         }
1044
1045 int ssl3_num_ciphers(void)
1046         {
1047         return(SSL3_NUM_CIPHERS);
1048         }
1049
1050 SSL_CIPHER *ssl3_get_cipher(unsigned int u)
1051         {
1052         if (u < SSL3_NUM_CIPHERS)
1053                 return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
1054         else
1055                 return(NULL);
1056         }
1057
1058 int ssl3_pending(SSL *s)
1059         {
1060         if (s->rstate == SSL_ST_READ_BODY)
1061                 return 0;
1062
1063         return (s->s3->rrec.type == SSL3_RT_APPLICATION_DATA) ? s->s3->rrec.length : 0;
1064         }
1065
1066 int ssl3_new(SSL *s)
1067         {
1068         SSL3_STATE *s3;
1069
1070         if ((s3=OPENSSL_malloc(sizeof *s3)) == NULL) goto err;
1071         memset(s3,0,sizeof *s3);
1072         EVP_MD_CTX_init(&s3->finish_dgst1);
1073         EVP_MD_CTX_init(&s3->finish_dgst2);
1074
1075         s->s3=s3;
1076
1077         s->method->ssl_clear(s);
1078         return(1);
1079 err:
1080         return(0);
1081         }
1082
1083 void ssl3_free(SSL *s)
1084         {
1085         if(s == NULL)
1086             return;
1087
1088         ssl3_cleanup_key_block(s);
1089         if (s->s3->rbuf.buf != NULL)
1090                 OPENSSL_free(s->s3->rbuf.buf);
1091         if (s->s3->wbuf.buf != NULL)
1092                 OPENSSL_free(s->s3->wbuf.buf);
1093         if (s->s3->rrec.comp != NULL)
1094                 OPENSSL_free(s->s3->rrec.comp);
1095 #ifndef OPENSSL_NO_DH
1096         if (s->s3->tmp.dh != NULL)
1097                 DH_free(s->s3->tmp.dh);
1098 #endif
1099         if (s->s3->tmp.ca_names != NULL)
1100                 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
1101         EVP_MD_CTX_cleanup(&s->s3->finish_dgst1);
1102         EVP_MD_CTX_cleanup(&s->s3->finish_dgst2);
1103         OPENSSL_cleanse(s->s3,sizeof *s->s3);
1104         OPENSSL_free(s->s3);
1105         s->s3=NULL;
1106         }
1107
1108 void ssl3_clear(SSL *s)
1109         {
1110         unsigned char *rp,*wp;
1111         size_t rlen, wlen;
1112
1113         ssl3_cleanup_key_block(s);
1114         if (s->s3->tmp.ca_names != NULL)
1115                 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
1116
1117         if (s->s3->rrec.comp != NULL)
1118                 {
1119                 OPENSSL_free(s->s3->rrec.comp);
1120                 s->s3->rrec.comp=NULL;
1121                 }
1122 #ifndef OPENSSL_NO_DH
1123         if (s->s3->tmp.dh != NULL)
1124                 DH_free(s->s3->tmp.dh);
1125 #endif
1126
1127         rp = s->s3->rbuf.buf;
1128         wp = s->s3->wbuf.buf;
1129         rlen = s->s3->rbuf.len;
1130         wlen = s->s3->wbuf.len;
1131
1132         EVP_MD_CTX_cleanup(&s->s3->finish_dgst1);
1133         EVP_MD_CTX_cleanup(&s->s3->finish_dgst2);
1134
1135         memset(s->s3,0,sizeof *s->s3);
1136         s->s3->rbuf.buf = rp;
1137         s->s3->wbuf.buf = wp;
1138         s->s3->rbuf.len = rlen;
1139         s->s3->wbuf.len = wlen;
1140
1141         ssl_free_wbio_buffer(s);
1142
1143         s->packet_length=0;
1144         s->s3->renegotiate=0;
1145         s->s3->total_renegotiations=0;
1146         s->s3->num_renegotiations=0;
1147         s->s3->in_read_app_data=0;
1148         s->version=SSL3_VERSION;
1149         }
1150
1151 long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
1152         {
1153         int ret=0;
1154
1155 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1156         if (
1157 #ifndef OPENSSL_NO_RSA
1158             cmd == SSL_CTRL_SET_TMP_RSA ||
1159             cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1160 #endif
1161 #ifndef OPENSSL_NO_DSA
1162             cmd == SSL_CTRL_SET_TMP_DH ||
1163             cmd == SSL_CTRL_SET_TMP_DH_CB ||
1164 #endif
1165                 0)
1166                 {
1167                 if (!ssl_cert_inst(&s->cert))
1168                         {
1169                         SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
1170                         return(0);
1171                         }
1172                 }
1173 #endif
1174
1175         switch (cmd)
1176                 {
1177         case SSL_CTRL_GET_SESSION_REUSED:
1178                 ret=s->hit;
1179                 break;
1180         case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
1181                 break;
1182         case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
1183                 ret=s->s3->num_renegotiations;
1184                 break;
1185         case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
1186                 ret=s->s3->num_renegotiations;
1187                 s->s3->num_renegotiations=0;
1188                 break;
1189         case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
1190                 ret=s->s3->total_renegotiations;
1191                 break;
1192         case SSL_CTRL_GET_FLAGS:
1193                 ret=(int)(s->s3->flags);
1194                 break;
1195 #ifndef OPENSSL_NO_RSA
1196         case SSL_CTRL_NEED_TMP_RSA:
1197                 if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
1198                     ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1199                      (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
1200                         ret = 1;
1201                 break;
1202         case SSL_CTRL_SET_TMP_RSA:
1203                 {
1204                         RSA *rsa = (RSA *)parg;
1205                         if (rsa == NULL)
1206                                 {
1207                                 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1208                                 return(ret);
1209                                 }
1210                         if ((rsa = RSAPrivateKey_dup(rsa)) == NULL)
1211                                 {
1212                                 SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
1213                                 return(ret);
1214                                 }
1215                         if (s->cert->rsa_tmp != NULL)
1216                                 RSA_free(s->cert->rsa_tmp);
1217                         s->cert->rsa_tmp = rsa;
1218                         ret = 1;
1219                 }
1220                 break;
1221         case SSL_CTRL_SET_TMP_RSA_CB:
1222                 {
1223                 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1224                 return(ret);
1225                 }
1226                 break;
1227 #endif
1228 #ifndef OPENSSL_NO_DH
1229         case SSL_CTRL_SET_TMP_DH:
1230                 {
1231                         DH *dh = (DH *)parg;
1232                         if (dh == NULL)
1233                                 {
1234                                 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1235                                 return(ret);
1236                                 }
1237                         if ((dh = DHparams_dup(dh)) == NULL)
1238                                 {
1239                                 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1240                                 return(ret);
1241                                 }
1242                         if (!(s->options & SSL_OP_SINGLE_DH_USE))
1243                                 {
1244                                 if (!DH_generate_key(dh))
1245                                         {
1246                                         DH_free(dh);
1247                                         SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1248                                         return(ret);
1249                                         }
1250                                 }
1251                         if (s->cert->dh_tmp != NULL)
1252                                 DH_free(s->cert->dh_tmp);
1253                         s->cert->dh_tmp = dh;
1254                         ret = 1;
1255                 }
1256                 break;
1257         case SSL_CTRL_SET_TMP_DH_CB:
1258                 {
1259                 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1260                 return(ret);
1261                 }
1262                 break;
1263 #endif
1264         default:
1265                 break;
1266                 }
1267         return(ret);
1268         }
1269
1270 long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)())
1271         {
1272         int ret=0;
1273
1274 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1275         if (
1276 #ifndef OPENSSL_NO_RSA
1277             cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1278 #endif
1279 #ifndef OPENSSL_NO_DSA
1280             cmd == SSL_CTRL_SET_TMP_DH_CB ||
1281 #endif
1282                 0)
1283                 {
1284                 if (!ssl_cert_inst(&s->cert))
1285                         {
1286                         SSLerr(SSL_F_SSL3_CALLBACK_CTRL, ERR_R_MALLOC_FAILURE);
1287                         return(0);
1288                         }
1289                 }
1290 #endif
1291
1292         switch (cmd)
1293                 {
1294 #ifndef OPENSSL_NO_RSA
1295         case SSL_CTRL_SET_TMP_RSA_CB:
1296                 {
1297                 s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1298                 }
1299                 break;
1300 #endif
1301 #ifndef OPENSSL_NO_DH
1302         case SSL_CTRL_SET_TMP_DH_CB:
1303                 {
1304                 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1305                 }
1306                 break;
1307 #endif
1308         default:
1309                 break;
1310                 }
1311         return(ret);
1312         }
1313
1314 long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
1315         {
1316         CERT *cert;
1317
1318         cert=ctx->cert;
1319
1320         switch (cmd)
1321                 {
1322 #ifndef OPENSSL_NO_RSA
1323         case SSL_CTRL_NEED_TMP_RSA:
1324                 if (    (cert->rsa_tmp == NULL) &&
1325                         ((cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1326                          (EVP_PKEY_size(cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8)))
1327                         )
1328                         return(1);
1329                 else
1330                         return(0);
1331                 /* break; */
1332         case SSL_CTRL_SET_TMP_RSA:
1333                 {
1334                 RSA *rsa;
1335                 int i;
1336
1337                 rsa=(RSA *)parg;
1338                 i=1;
1339                 if (rsa == NULL)
1340                         i=0;
1341                 else
1342                         {
1343                         if ((rsa=RSAPrivateKey_dup(rsa)) == NULL)
1344                                 i=0;
1345                         }
1346                 if (!i)
1347                         {
1348                         SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_RSA_LIB);
1349                         return(0);
1350                         }
1351                 else
1352                         {
1353                         if (cert->rsa_tmp != NULL)
1354                                 RSA_free(cert->rsa_tmp);
1355                         cert->rsa_tmp=rsa;
1356                         return(1);
1357                         }
1358                 }
1359                 /* break; */
1360         case SSL_CTRL_SET_TMP_RSA_CB:
1361                 {
1362                 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1363                 return(0);
1364                 }
1365                 break;
1366 #endif
1367 #ifndef OPENSSL_NO_DH
1368         case SSL_CTRL_SET_TMP_DH:
1369                 {
1370                 DH *new=NULL,*dh;
1371
1372                 dh=(DH *)parg;
1373                 if ((new=DHparams_dup(dh)) == NULL)
1374                         {
1375                         SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1376                         return 0;
1377                         }
1378                 if (!(ctx->options & SSL_OP_SINGLE_DH_USE))
1379                         {
1380                         if (!DH_generate_key(new))
1381                                 {
1382                                 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1383                                 DH_free(new);
1384                                 return 0;
1385                                 }
1386                         }
1387                 if (cert->dh_tmp != NULL)
1388                         DH_free(cert->dh_tmp);
1389                 cert->dh_tmp=new;
1390                 return 1;
1391                 }
1392                 /*break; */
1393         case SSL_CTRL_SET_TMP_DH_CB:
1394                 {
1395                 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1396                 return(0);
1397                 }
1398                 break;
1399 #endif
1400         /* A Thawte special :-) */
1401         case SSL_CTRL_EXTRA_CHAIN_CERT:
1402                 if (ctx->extra_certs == NULL)
1403                         {
1404                         if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
1405                                 return(0);
1406                         }
1407                 sk_X509_push(ctx->extra_certs,(X509 *)parg);
1408                 break;
1409
1410         default:
1411                 return(0);
1412                 }
1413         return(1);
1414         }
1415
1416 long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
1417         {
1418         CERT *cert;
1419
1420         cert=ctx->cert;
1421
1422         switch (cmd)
1423                 {
1424 #ifndef OPENSSL_NO_RSA
1425         case SSL_CTRL_SET_TMP_RSA_CB:
1426                 {
1427                 cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1428                 }
1429                 break;
1430 #endif
1431 #ifndef OPENSSL_NO_DH
1432         case SSL_CTRL_SET_TMP_DH_CB:
1433                 {
1434                 cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1435                 }
1436                 break;
1437 #endif
1438         default:
1439                 return(0);
1440                 }
1441         return(1);
1442         }
1443
1444 /* This function needs to check if the ciphers required are actually
1445  * available */
1446 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
1447         {
1448         static int init=1;
1449         static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
1450         SSL_CIPHER c,*cp= &c,**cpp;
1451         unsigned long id;
1452         int i;
1453
1454         if (init)
1455                 {
1456                 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
1457
1458                 if (init)
1459                         {
1460                         for (i=0; i<SSL3_NUM_CIPHERS; i++)
1461                                 sorted[i]= &(ssl3_ciphers[i]);
1462
1463                         qsort(sorted,
1464                                 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1465                                 FP_ICC ssl_cipher_ptr_id_cmp);
1466
1467                         init=0;
1468                         }
1469
1470                 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
1471                 }
1472
1473         id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
1474         c.id=id;
1475         cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
1476                 (char *)sorted,
1477                 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1478                 FP_ICC ssl_cipher_ptr_id_cmp);
1479         if ((cpp == NULL) || !(*cpp)->valid)
1480                 return(NULL);
1481         else
1482                 return(*cpp);
1483         }
1484
1485 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
1486         {
1487         long l;
1488
1489         if (p != NULL)
1490                 {
1491                 l=c->id;
1492                 if ((l & 0xff000000) != 0x03000000) return(0);
1493                 p[0]=((unsigned char)(l>> 8L))&0xFF;
1494                 p[1]=((unsigned char)(l     ))&0xFF;
1495                 }
1496         return(2);
1497         }
1498
1499 SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
1500              STACK_OF(SSL_CIPHER) *srvr)
1501         {
1502         SSL_CIPHER *c,*ret=NULL;
1503         STACK_OF(SSL_CIPHER) *prio, *allow;
1504         int i,j,ok;
1505         CERT *cert;
1506         unsigned long alg,mask,emask;
1507
1508         /* Let's see which ciphers we can support */
1509         cert=s->cert;
1510
1511 #if 0
1512         /* Do not set the compare functions, because this may lead to a
1513          * reordering by "id". We want to keep the original ordering.
1514          * We may pay a price in performance during sk_SSL_CIPHER_find(),
1515          * but would have to pay with the price of sk_SSL_CIPHER_dup().
1516          */
1517         sk_SSL_CIPHER_set_cmp_func(srvr, ssl_cipher_ptr_id_cmp);
1518         sk_SSL_CIPHER_set_cmp_func(clnt, ssl_cipher_ptr_id_cmp);
1519 #endif
1520
1521 #ifdef CIPHER_DEBUG
1522         printf("Server has %d from %p:\n", sk_SSL_CIPHER_num(srvr), srvr);
1523         for(i=0 ; i < sk_SSL_CIPHER_num(srvr) ; ++i)
1524             {
1525             c=sk_SSL_CIPHER_value(srvr,i);
1526             printf("%p:%s\n",c,c->name);
1527             }
1528         printf("Client sent %d from %p:\n", sk_SSL_CIPHER_num(clnt), clnt);
1529         for(i=0 ; i < sk_SSL_CIPHER_num(clnt) ; ++i)
1530             {
1531             c=sk_SSL_CIPHER_value(clnt,i);
1532             printf("%p:%s\n",c,c->name);
1533             }
1534 #endif
1535
1536         if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE)
1537             {
1538             prio = srvr;
1539             allow = clnt;
1540             }
1541         else
1542             {
1543             prio = clnt;
1544             allow = srvr;
1545             }
1546
1547         for (i=0; i<sk_SSL_CIPHER_num(prio); i++)
1548                 {
1549                 c=sk_SSL_CIPHER_value(prio,i);
1550
1551                 ssl_set_cert_masks(cert,c);
1552                 mask=cert->mask;
1553                 emask=cert->export_mask;
1554
1555 #ifdef KSSL_DEBUG
1556                 printf("ssl3_choose_cipher %d alg= %lx\n", i,c->algorithms);
1557 #endif    /* KSSL_DEBUG */
1558
1559                 alg=c->algorithms&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1560 #ifndef OPENSSL_NO_KRB5
1561                 if (alg & SSL_KRB5)
1562                         {
1563                         if ( !kssl_keytab_is_available(s->kssl_ctx) )
1564                             continue;
1565                         }
1566 #endif /* OPENSSL_NO_KRB5 */
1567                 if (SSL_C_IS_EXPORT(c))
1568                         {
1569                         ok=((alg & emask) == alg)?1:0;
1570 #ifdef CIPHER_DEBUG
1571                         printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
1572                                c,c->name);
1573 #endif
1574                         }
1575                 else
1576                         {
1577                         ok=((alg & mask) == alg)?1:0;
1578 #ifdef CIPHER_DEBUG
1579                         printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
1580                                c->name);
1581 #endif
1582                         }
1583
1584                 if (!ok) continue;
1585
1586                 j=sk_SSL_CIPHER_find(allow,c);
1587                 if (j >= 0)
1588                         {
1589                         ret=sk_SSL_CIPHER_value(allow,j);
1590                         break;
1591                         }
1592                 }
1593         return(ret);
1594         }
1595
1596 int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
1597         {
1598         int ret=0;
1599         unsigned long alg;
1600
1601         alg=s->s3->tmp.new_cipher->algorithms;
1602
1603 #ifndef OPENSSL_NO_DH
1604         if (alg & (SSL_kDHr|SSL_kEDH))
1605                 {
1606 #  ifndef OPENSSL_NO_RSA
1607                 p[ret++]=SSL3_CT_RSA_FIXED_DH;
1608 #  endif
1609 #  ifndef OPENSSL_NO_DSA
1610                 p[ret++]=SSL3_CT_DSS_FIXED_DH;
1611 #  endif
1612                 }
1613         if ((s->version == SSL3_VERSION) &&
1614                 (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
1615                 {
1616 #  ifndef OPENSSL_NO_RSA
1617                 p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
1618 #  endif
1619 #  ifndef OPENSSL_NO_DSA
1620                 p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
1621 #  endif
1622                 }
1623 #endif /* !OPENSSL_NO_DH */
1624 #ifndef OPENSSL_NO_RSA
1625         p[ret++]=SSL3_CT_RSA_SIGN;
1626 #endif
1627 #ifndef OPENSSL_NO_DSA
1628         p[ret++]=SSL3_CT_DSS_SIGN;
1629 #endif
1630         return(ret);
1631         }
1632
1633 int ssl3_shutdown(SSL *s)
1634         {
1635
1636         /* Don't do anything much if we have not done the handshake or
1637          * we don't want to send messages :-) */
1638         if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
1639                 {
1640                 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1641                 return(1);
1642                 }
1643
1644         if (!(s->shutdown & SSL_SENT_SHUTDOWN))
1645                 {
1646                 s->shutdown|=SSL_SENT_SHUTDOWN;
1647 #if 1
1648                 ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
1649 #endif
1650                 /* our shutdown alert has been sent now, and if it still needs
1651                  * to be written, s->s3->alert_dispatch will be true */
1652                 }
1653         else if (s->s3->alert_dispatch)
1654                 {
1655                 /* resend it if not sent */
1656 #if 1
1657                 ssl3_dispatch_alert(s);
1658 #endif
1659                 }
1660         else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
1661                 {
1662                 /* If we are waiting for a close from our peer, we are closed */
1663                 ssl3_read_bytes(s,0,NULL,0,0);
1664                 }
1665
1666         if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
1667                 !s->s3->alert_dispatch)
1668                 return(1);
1669         else
1670                 return(0);
1671         }
1672
1673 int ssl3_write(SSL *s, const void *buf, int len)
1674         {
1675         int ret,n;
1676
1677 #if 0
1678         if (s->shutdown & SSL_SEND_SHUTDOWN)
1679                 {
1680                 s->rwstate=SSL_NOTHING;
1681                 return(0);
1682                 }
1683 #endif
1684         clear_sys_error();
1685         if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1686
1687         /* This is an experimental flag that sends the
1688          * last handshake message in the same packet as the first
1689          * use data - used to see if it helps the TCP protocol during
1690          * session-id reuse */
1691         /* The second test is because the buffer may have been removed */
1692         if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
1693                 {
1694                 /* First time through, we write into the buffer */
1695                 if (s->s3->delay_buf_pop_ret == 0)
1696                         {
1697                         ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1698                                              buf,len);
1699                         if (ret <= 0) return(ret);
1700
1701                         s->s3->delay_buf_pop_ret=ret;
1702                         }
1703
1704                 s->rwstate=SSL_WRITING;
1705                 n=BIO_flush(s->wbio);
1706                 if (n <= 0) return(n);
1707                 s->rwstate=SSL_NOTHING;
1708
1709                 /* We have flushed the buffer, so remove it */
1710                 ssl_free_wbio_buffer(s);
1711                 s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
1712
1713                 ret=s->s3->delay_buf_pop_ret;
1714                 s->s3->delay_buf_pop_ret=0;
1715                 }
1716         else
1717                 {
1718                 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1719                                      buf,len);
1720                 if (ret <= 0) return(ret);
1721                 }
1722
1723         return(ret);
1724         }
1725
1726 static int ssl3_read_internal(SSL *s, void *buf, int len, int peek)
1727         {
1728         int ret;
1729
1730         clear_sys_error();
1731         if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1732         s->s3->in_read_app_data=1;
1733         ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1734         if ((ret == -1) && (s->s3->in_read_app_data == 2))
1735                 {
1736                 /* ssl3_read_bytes decided to call s->handshake_func, which
1737                  * called ssl3_read_bytes to read handshake data.
1738                  * However, ssl3_read_bytes actually found application data
1739                  * and thinks that application data makes sense here; so disable
1740                  * handshake processing and try to read application data again. */
1741                 s->in_handshake++;
1742                 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1743                 s->in_handshake--;
1744                 }
1745         else
1746                 s->s3->in_read_app_data=0;
1747
1748         return(ret);
1749         }
1750
1751 int ssl3_read(SSL *s, void *buf, int len)
1752         {
1753         return ssl3_read_internal(s, buf, len, 0);
1754         }
1755
1756 int ssl3_peek(SSL *s, void *buf, int len)
1757         {
1758         return ssl3_read_internal(s, buf, len, 1);
1759         }
1760
1761 int ssl3_renegotiate(SSL *s)
1762         {
1763         if (s->handshake_func == NULL)
1764                 return(1);
1765
1766         if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
1767                 return(0);
1768
1769         s->s3->renegotiate=1;
1770         return(1);
1771         }
1772
1773 int ssl3_renegotiate_check(SSL *s)
1774         {
1775         int ret=0;
1776
1777         if (s->s3->renegotiate)
1778                 {
1779                 if (    (s->s3->rbuf.left == 0) &&
1780                         (s->s3->wbuf.left == 0) &&
1781                         !SSL_in_init(s))
1782                         {
1783 /*
1784 if we are the server, and we have sent a 'RENEGOTIATE' message, we
1785 need to go to SSL_ST_ACCEPT.
1786 */
1787                         /* SSL_ST_ACCEPT */
1788                         s->state=SSL_ST_RENEGOTIATE;
1789                         s->s3->renegotiate=0;
1790                         s->s3->num_renegotiations++;
1791                         s->s3->total_renegotiations++;
1792                         ret=1;
1793                         }
1794                 }
1795         return(ret);
1796         }
1797