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