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,
 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,
 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,
 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,
 508         0,
 509         0,
 510         0,
 511         SSL_ALL_CIPHERS,
 512         SSL_ALL_STRENGTHS,
 513         },
 514
 515 /* Cipher 1E */
 516         {
 517         0,
 518         SSL3_TXT_FZA_DMS_RC4_SHA,
 519         SSL3_CK_FZA_DMS_RC4_SHA,
 520         SSL_kFZA|SSL_aFZA |SSL_RC4  |SSL_SHA1|SSL_SSLV3,
 521         SSL_NOT_EXP|SSL_MEDIUM,
 522         0,
 523         128,
 524         128,
 525         SSL_ALL_CIPHERS,
 526         SSL_ALL_STRENGTHS,
 527         },
 528
 529 #ifndef OPENSSL_NO_KRB5
 530 /* The Kerberos ciphers
 531 ** 20000107 VRS: And the first shall be last,
 532 ** in hopes of avoiding the lynx ssl renegotiation problem.
 533 */
 534 /* Cipher 21 VRS */
 535         {
 536         1,
 537         SSL3_TXT_KRB5_DES_40_CBC_SHA,
 538         SSL3_CK_KRB5_DES_40_CBC_SHA,
 539         SSL_kKRB5|SSL_aKRB5|  SSL_DES|SSL_SHA1   |SSL_SSLV3,
 540         SSL_EXPORT|SSL_EXP40,
 541         0,
 542         40,
 543         56,
 544         SSL_ALL_CIPHERS,
 545         SSL_ALL_STRENGTHS,
 546         },
 547
 548 /* Cipher 22 VRS */
 549         {
 550         1,
 551         SSL3_TXT_KRB5_DES_40_CBC_MD5,
 552         SSL3_CK_KRB5_DES_40_CBC_MD5,
 553         SSL_kKRB5|SSL_aKRB5|  SSL_DES|SSL_MD5    |SSL_SSLV3,
 554         SSL_EXPORT|SSL_EXP40,
 555         0,
 556         40,
 557         56,
 558         SSL_ALL_CIPHERS,
 559         SSL_ALL_STRENGTHS,
 560         },
 561
 562 /* Cipher 23 VRS */
 563         {
 564         1,
 565         SSL3_TXT_KRB5_DES_64_CBC_SHA,
 566         SSL3_CK_KRB5_DES_64_CBC_SHA,
 567         SSL_kKRB5|SSL_aKRB5|  SSL_DES|SSL_SHA1   |SSL_SSLV3,
 568         SSL_NOT_EXP|SSL_LOW,
 569         0,
 570         56,
 571         56,
 572         SSL_ALL_CIPHERS,
 573         SSL_ALL_STRENGTHS,
 574         },
 575
 576 /* Cipher 24 VRS */
 577         {
 578         1,
 579         SSL3_TXT_KRB5_DES_64_CBC_MD5,
 580         SSL3_CK_KRB5_DES_64_CBC_MD5,
 581         SSL_kKRB5|SSL_aKRB5|  SSL_DES|SSL_MD5    |SSL_SSLV3,
 582         SSL_NOT_EXP|SSL_LOW,
 583         0,
 584         56,
 585         56,
 586         SSL_ALL_CIPHERS,
 587         SSL_ALL_STRENGTHS,
 588         },
 589
 590 /* Cipher 25 VRS */
 591         {
 592         1,
 593         SSL3_TXT_KRB5_DES_192_CBC3_SHA,
 594         SSL3_CK_KRB5_DES_192_CBC3_SHA,
 595         SSL_kKRB5|SSL_aKRB5|  SSL_3DES|SSL_SHA1  |SSL_SSLV3,
 596         SSL_NOT_EXP|SSL_HIGH,
 597         0,
 598         112,
 599         168,
 600         SSL_ALL_CIPHERS,
 601         SSL_ALL_STRENGTHS,
 602         },
 603
 604 /* Cipher 26 VRS */
 605         {
 606         1,
 607         SSL3_TXT_KRB5_DES_192_CBC3_MD5,
 608         SSL3_CK_KRB5_DES_192_CBC3_MD5,
 609         SSL_kKRB5|SSL_aKRB5|  SSL_3DES|SSL_MD5   |SSL_SSLV3,
 610         SSL_NOT_EXP|SSL_HIGH,
 611         0,
 612         112,
 613         168,
 614         SSL_ALL_CIPHERS,
 615         SSL_ALL_STRENGTHS,
 616         },
 617 #endif  /* OPENSSL_NO_KRB5 */
 618
 619
 620 #if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
 621         /* New TLS Export CipherSuites */
 622         /* Cipher 60 */
 623             {
 624             1,
 625             TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5,
 626             TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5,
 627             SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_TLSV1,
 628             SSL_EXPORT|SSL_EXP56,
 629             0,
 630             56,
 631             128,
 632             SSL_ALL_CIPHERS,
 633             SSL_ALL_STRENGTHS,
 634             },
 635         /* Cipher 61 */
 636             {
 637             1,
 638             TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
 639             TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
 640             SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_TLSV1,
 641             SSL_EXPORT|SSL_EXP56,
 642             0,
 643             56,
 644             128,
 645             SSL_ALL_CIPHERS,
 646             SSL_ALL_STRENGTHS,
 647             },
 648         /* Cipher 62 */
 649             {
 650             1,
 651             TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA,
 652             TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA,
 653             SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA|SSL_TLSV1,
 654             SSL_EXPORT|SSL_EXP56,
 655             0,
 656             56,
 657             56,
 658             SSL_ALL_CIPHERS,
 659             SSL_ALL_STRENGTHS,
 660             },
 661         /* Cipher 63 */
 662             {
 663             1,
 664             TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
 665             TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
 666             SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA|SSL_TLSV1,
 667             SSL_EXPORT|SSL_EXP56,
 668             0,
 669             56,
 670             56,
 671             SSL_ALL_CIPHERS,
 672             SSL_ALL_STRENGTHS,
 673             },
 674         /* Cipher 64 */
 675             {
 676             1,
 677             TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA,
 678             TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA,
 679             SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
 680             SSL_EXPORT|SSL_EXP56,
 681             0,
 682             56,
 683             128,
 684             SSL_ALL_CIPHERS,
 685             SSL_ALL_STRENGTHS,
 686             },
 687         /* Cipher 65 */
 688             {
 689             1,
 690             TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
 691             TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
 692             SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
 693             SSL_EXPORT|SSL_EXP56,
 694             0,
 695             56,
 696             128,
 697             SSL_ALL_CIPHERS,
 698             SSL_ALL_STRENGTHS,
 699             },
 700         /* Cipher 66 */
 701             {
 702             1,
 703             TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA,
 704             TLS1_CK_DHE_DSS_WITH_RC4_128_SHA,
 705             SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
 706             SSL_NOT_EXP|SSL_MEDIUM,
 707             0,
 708             128,
 709             128,
 710             SSL_ALL_CIPHERS,
 711             SSL_ALL_STRENGTHS
 712             },
 713 #endif
 714         /* New AES ciphersuites */
 715
 716         /* Cipher 2F */
 717             {
 718             1,
 719             TLS1_TXT_RSA_WITH_AES_128_SHA,
 720             TLS1_CK_RSA_WITH_AES_128_SHA,
 721             SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
 722             SSL_NOT_EXP|SSL_MEDIUM,
 723             0,
 724             128,
 725             128,
 726             SSL_ALL_CIPHERS,
 727             SSL_ALL_STRENGTHS,
 728             },
 729         /* Cipher 30 */
 730             {
 731             0,
 732             TLS1_TXT_DH_DSS_WITH_AES_128_SHA,
 733             TLS1_CK_DH_DSS_WITH_AES_128_SHA,
 734             SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
 735             SSL_NOT_EXP|SSL_MEDIUM,
 736             0,
 737             128,
 738             128,
 739             SSL_ALL_CIPHERS,
 740             SSL_ALL_STRENGTHS,
 741             },
 742         /* Cipher 31 */
 743             {
 744             0,
 745             TLS1_TXT_DH_RSA_WITH_AES_128_SHA,
 746             TLS1_CK_DH_RSA_WITH_AES_128_SHA,
 747             SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
 748             SSL_NOT_EXP|SSL_MEDIUM,
 749             0,
 750             128,
 751             128,
 752             SSL_ALL_CIPHERS,
 753             SSL_ALL_STRENGTHS,
 754             },
 755         /* Cipher 32 */
 756             {
 757             1,
 758             TLS1_TXT_DHE_DSS_WITH_AES_128_SHA,
 759             TLS1_CK_DHE_DSS_WITH_AES_128_SHA,
 760             SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
 761             SSL_NOT_EXP|SSL_MEDIUM,
 762             0,
 763             128,
 764             128,
 765             SSL_ALL_CIPHERS,
 766             SSL_ALL_STRENGTHS,
 767             },
 768         /* Cipher 33 */
 769             {
 770             1,
 771             TLS1_TXT_DHE_RSA_WITH_AES_128_SHA,
 772             TLS1_CK_DHE_RSA_WITH_AES_128_SHA,
 773             SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
 774             SSL_NOT_EXP|SSL_MEDIUM,
 775             0,
 776             128,
 777             128,
 778             SSL_ALL_CIPHERS,
 779             SSL_ALL_STRENGTHS,
 780             },
 781         /* Cipher 34 */
 782             {
 783             1,
 784             TLS1_TXT_ADH_WITH_AES_128_SHA,
 785             TLS1_CK_ADH_WITH_AES_128_SHA,
 786             SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
 787             SSL_NOT_EXP|SSL_MEDIUM,
 788             0,
 789             128,
 790             128,
 791             SSL_ALL_CIPHERS,
 792             SSL_ALL_STRENGTHS,
 793             },
 794
 795         /* Cipher 35 */
 796             {
 797             1,
 798             TLS1_TXT_RSA_WITH_AES_256_SHA,
 799             TLS1_CK_RSA_WITH_AES_256_SHA,
 800             SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
 801             SSL_NOT_EXP|SSL_HIGH,
 802             0,
 803             256,
 804             256,
 805             SSL_ALL_CIPHERS,
 806             SSL_ALL_STRENGTHS,
 807             },
 808         /* Cipher 36 */
 809             {
 810             0,
 811             TLS1_TXT_DH_DSS_WITH_AES_256_SHA,
 812             TLS1_CK_DH_DSS_WITH_AES_256_SHA,
 813             SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
 814             SSL_NOT_EXP|SSL_HIGH,
 815             0,
 816             256,
 817             256,
 818             SSL_ALL_CIPHERS,
 819             SSL_ALL_STRENGTHS,
 820             },
 821         /* Cipher 37 */
 822             {
 823             0,
 824             TLS1_TXT_DH_RSA_WITH_AES_256_SHA,
 825             TLS1_CK_DH_RSA_WITH_AES_256_SHA,
 826             SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
 827             SSL_NOT_EXP|SSL_HIGH,
 828             0,
 829             256,
 830             256,
 831             SSL_ALL_CIPHERS,
 832             SSL_ALL_STRENGTHS,
 833             },
 834         /* Cipher 38 */
 835             {
 836             1,
 837             TLS1_TXT_DHE_DSS_WITH_AES_256_SHA,
 838             TLS1_CK_DHE_DSS_WITH_AES_256_SHA,
 839             SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
 840             SSL_NOT_EXP|SSL_HIGH,
 841             0,
 842             256,
 843             256,
 844             SSL_ALL_CIPHERS,
 845             SSL_ALL_STRENGTHS,
 846             },
 847         /* Cipher 39 */
 848             {
 849             1,
 850             TLS1_TXT_DHE_RSA_WITH_AES_256_SHA,
 851             TLS1_CK_DHE_RSA_WITH_AES_256_SHA,
 852             SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
 853             SSL_NOT_EXP|SSL_HIGH,
 854             0,
 855             256,
 856             256,
 857             SSL_ALL_CIPHERS,
 858             SSL_ALL_STRENGTHS,
 859             },
 860         /* Cipher 3A */
 861             {
 862             1,
 863             TLS1_TXT_ADH_WITH_AES_256_SHA,
 864             TLS1_CK_ADH_WITH_AES_256_SHA,
 865             SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
 866             SSL_NOT_EXP|SSL_HIGH,
 867             0,
 868             256,
 869             256,
 870             SSL_ALL_CIPHERS,
 871             SSL_ALL_STRENGTHS,
 872             },
 873
 874 /* end of list */
 875         };
 876
 877 static SSL3_ENC_METHOD SSLv3_enc_data={
 878         ssl3_enc,
 879         ssl3_mac,
 880         ssl3_setup_key_block,
 881         ssl3_generate_master_secret,
 882         ssl3_change_cipher_state,
 883         ssl3_final_finish_mac,
 884         MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
 885         ssl3_cert_verify_mac,
 886         SSL3_MD_CLIENT_FINISHED_CONST,4,
 887         SSL3_MD_SERVER_FINISHED_CONST,4,
 888         ssl3_alert_code,
 889         };
 890
 891 static SSL_METHOD SSLv3_data= {
 892         SSL3_VERSION,
 893         ssl3_new,
 894         ssl3_clear,
 895         ssl3_free,
 896         ssl_undefined_function,
 897         ssl_undefined_function,
 898         ssl3_read,
 899         ssl3_peek,
 900         ssl3_write,
 901         ssl3_shutdown,
 902         ssl3_renegotiate,
 903         ssl3_renegotiate_check,
 904         ssl3_ctrl,
 905         ssl3_ctx_ctrl,
 906         ssl3_get_cipher_by_char,
 907         ssl3_put_cipher_by_char,
 908         ssl3_pending,
 909         ssl3_num_ciphers,
 910         ssl3_get_cipher,
 911         ssl_bad_method,
 912         ssl3_default_timeout,
 913         &SSLv3_enc_data,
 914         ssl_undefined_function,
 915         ssl3_callback_ctrl,
 916         ssl3_ctx_callback_ctrl,
 917         };
 918
 919 static long ssl3_default_timeout(void)
 920         {
 921         /* 2 hours, the 24 hours mentioned in the SSLv3 spec
 922          * is way too long for http, the cache would over fill */
 923         return(60*60*2);
 924         }
 925
 926 SSL_METHOD *sslv3_base_method(void)
 927         {
 928         return(&SSLv3_data);
 929         }
 930
 931 int ssl3_num_ciphers(void)
 932         {
 933         return(SSL3_NUM_CIPHERS);
 934         }
 935
 936 SSL_CIPHER *ssl3_get_cipher(unsigned int u)
 937         {
 938         if (u < SSL3_NUM_CIPHERS)
 939                 return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
 940         else
 941                 return(NULL);
 942         }
 943
 944 int ssl3_pending(SSL *s)
 945         {
 946         if (s->rstate == SSL_ST_READ_BODY)
 947                 return 0;
 948
 949         return (s->s3->rrec.type == SSL3_RT_APPLICATION_DATA) ? s->s3->rrec.length : 0;
 950         }
 951
 952 int ssl3_new(SSL *s)
 953         {
 954         SSL3_STATE *s3;
 955
 956         if ((s3=OPENSSL_malloc(sizeof *s3)) == NULL) goto err;
 957         memset(s3,0,sizeof *s3);
 958         EVP_MD_CTX_init(&s3->finish_dgst1);
 959         EVP_MD_CTX_init(&s3->finish_dgst2);
 960
 961         s->s3=s3;
 962
 963         s->method->ssl_clear(s);
 964         return(1);
 965 err:
 966         return(0);
 967         }
 968
 969 void ssl3_free(SSL *s)
 970         {
 971         if(s == NULL)
 972             return;
 973
 974         ssl3_cleanup_key_block(s);
 975         if (s->s3->rbuf.buf != NULL)
 976                 OPENSSL_free(s->s3->rbuf.buf);
 977         if (s->s3->wbuf.buf != NULL)
 978                 OPENSSL_free(s->s3->wbuf.buf);
 979         if (s->s3->rrec.comp != NULL)
 980                 OPENSSL_free(s->s3->rrec.comp);
 981 #ifndef OPENSSL_NO_DH
 982         if (s->s3->tmp.dh != NULL)
 983                 DH_free(s->s3->tmp.dh);
 984 #endif
 985         if (s->s3->tmp.ca_names != NULL)
 986                 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
 987         EVP_MD_CTX_cleanup(&s->s3->finish_dgst1);
 988         EVP_MD_CTX_cleanup(&s->s3->finish_dgst2);
 989         memset(s->s3,0,sizeof *s->s3);
 990         OPENSSL_free(s->s3);
 991         s->s3=NULL;
 992         }
 993
 994 void ssl3_clear(SSL *s)
 995         {
 996         unsigned char *rp,*wp;
 997         size_t rlen, wlen;
 998
 999         ssl3_cleanup_key_block(s);
1000         if (s->s3->tmp.ca_names != NULL)
1001                 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
1002
1003         if (s->s3->rrec.comp != NULL)
1004                 {
1005                 OPENSSL_free(s->s3->rrec.comp);
1006                 s->s3->rrec.comp=NULL;
1007                 }
1008 #ifndef OPENSSL_NO_DH
1009         if (s->s3->tmp.dh != NULL)
1010                 DH_free(s->s3->tmp.dh);
1011 #endif
1012
1013         rp = s->s3->rbuf.buf;
1014         wp = s->s3->wbuf.buf;
1015         rlen = s->s3->rbuf.len;
1016         wlen = s->s3->wbuf.len;
1017
1018         EVP_MD_CTX_cleanup(&s->s3->finish_dgst1);
1019         EVP_MD_CTX_cleanup(&s->s3->finish_dgst2);
1020
1021         memset(s->s3,0,sizeof *s->s3);
1022         s->s3->rbuf.buf = rp;
1023         s->s3->wbuf.buf = wp;
1024         s->s3->rbuf.len = rlen;
1025         s->s3->wbuf.len = wlen;
1026
1027         ssl_free_wbio_buffer(s);
1028
1029         s->packet_length=0;
1030         s->s3->renegotiate=0;
1031         s->s3->total_renegotiations=0;
1032         s->s3->num_renegotiations=0;
1033         s->s3->in_read_app_data=0;
1034         s->version=SSL3_VERSION;
1035         }
1036
1037 long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
1038         {
1039         int ret=0;
1040
1041 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1042         if (
1043 #ifndef OPENSSL_NO_RSA
1044             cmd == SSL_CTRL_SET_TMP_RSA ||
1045             cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1046 #endif
1047 #ifndef OPENSSL_NO_DSA
1048             cmd == SSL_CTRL_SET_TMP_DH ||
1049             cmd == SSL_CTRL_SET_TMP_DH_CB ||
1050 #endif
1051                 0)
1052                 {
1053                 if (!ssl_cert_inst(&s->cert))
1054                         {
1055                         SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
1056                         return(0);
1057                         }
1058                 }
1059 #endif
1060
1061         switch (cmd)
1062                 {
1063         case SSL_CTRL_GET_SESSION_REUSED:
1064                 ret=s->hit;
1065                 break;
1066         case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
1067                 break;
1068         case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
1069                 ret=s->s3->num_renegotiations;
1070                 break;
1071         case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
1072                 ret=s->s3->num_renegotiations;
1073                 s->s3->num_renegotiations=0;
1074                 break;
1075         case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
1076                 ret=s->s3->total_renegotiations;
1077                 break;
1078         case SSL_CTRL_GET_FLAGS:
1079                 ret=(int)(s->s3->flags);
1080                 break;
1081 #ifndef OPENSSL_NO_RSA
1082         case SSL_CTRL_NEED_TMP_RSA:
1083                 if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
1084                     ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1085                      (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
1086                         ret = 1;
1087                 break;
1088         case SSL_CTRL_SET_TMP_RSA:
1089                 {
1090                         RSA *rsa = (RSA *)parg;
1091                         if (rsa == NULL)
1092                                 {
1093                                 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1094                                 return(ret);
1095                                 }
1096                         if ((rsa = RSAPrivateKey_dup(rsa)) == NULL)
1097                                 {
1098                                 SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
1099                                 return(ret);
1100                                 }
1101                         if (s->cert->rsa_tmp != NULL)
1102                                 RSA_free(s->cert->rsa_tmp);
1103                         s->cert->rsa_tmp = rsa;
1104                         ret = 1;
1105                 }
1106                 break;
1107         case SSL_CTRL_SET_TMP_RSA_CB:
1108                 {
1109                 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1110                 return(ret);
1111                 }
1112                 break;
1113 #endif
1114 #ifndef OPENSSL_NO_DH
1115         case SSL_CTRL_SET_TMP_DH:
1116                 {
1117                         DH *dh = (DH *)parg;
1118                         if (dh == NULL)
1119                                 {
1120                                 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1121                                 return(ret);
1122                                 }
1123                         if ((dh = DHparams_dup(dh)) == NULL)
1124                                 {
1125                                 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1126                                 return(ret);
1127                                 }
1128                         if (!(s->options & SSL_OP_SINGLE_DH_USE))
1129                                 {
1130                                 if (!DH_generate_key(dh))
1131                                         {
1132                                         DH_free(dh);
1133                                         SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1134                                         return(ret);
1135                                         }
1136                                 }
1137                         if (s->cert->dh_tmp != NULL)
1138                                 DH_free(s->cert->dh_tmp);
1139                         s->cert->dh_tmp = dh;
1140                         ret = 1;
1141                 }
1142                 break;
1143         case SSL_CTRL_SET_TMP_DH_CB:
1144                 {
1145                 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1146                 return(ret);
1147                 }
1148                 break;
1149 #endif
1150         default:
1151                 break;
1152                 }
1153         return(ret);
1154         }
1155
1156 long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)())
1157         {
1158         int ret=0;
1159
1160 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1161         if (
1162 #ifndef OPENSSL_NO_RSA
1163             cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1164 #endif
1165 #ifndef OPENSSL_NO_DSA
1166             cmd == SSL_CTRL_SET_TMP_DH_CB ||
1167 #endif
1168                 0)
1169                 {
1170                 if (!ssl_cert_inst(&s->cert))
1171                         {
1172                         SSLerr(SSL_F_SSL3_CALLBACK_CTRL, ERR_R_MALLOC_FAILURE);
1173                         return(0);
1174                         }
1175                 }
1176 #endif
1177
1178         switch (cmd)
1179                 {
1180 #ifndef OPENSSL_NO_RSA
1181         case SSL_CTRL_SET_TMP_RSA_CB:
1182                 {
1183                 s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1184                 }
1185                 break;
1186 #endif
1187 #ifndef OPENSSL_NO_DH
1188         case SSL_CTRL_SET_TMP_DH_CB:
1189                 {
1190                 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1191                 }
1192                 break;
1193 #endif
1194         default:
1195                 break;
1196                 }
1197         return(ret);
1198         }
1199
1200 long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
1201         {
1202         CERT *cert;
1203
1204         cert=ctx->cert;
1205
1206         switch (cmd)
1207                 {
1208 #ifndef OPENSSL_NO_RSA
1209         case SSL_CTRL_NEED_TMP_RSA:
1210                 if (    (cert->rsa_tmp == NULL) &&
1211                         ((cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1212                          (EVP_PKEY_size(cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8)))
1213                         )
1214                         return(1);
1215                 else
1216                         return(0);
1217                 /* break; */
1218         case SSL_CTRL_SET_TMP_RSA:
1219                 {
1220                 RSA *rsa;
1221                 int i;
1222
1223                 rsa=(RSA *)parg;
1224                 i=1;
1225                 if (rsa == NULL)
1226                         i=0;
1227                 else
1228                         {
1229                         if ((rsa=RSAPrivateKey_dup(rsa)) == NULL)
1230                                 i=0;
1231                         }
1232                 if (!i)
1233                         {
1234                         SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_RSA_LIB);
1235                         return(0);
1236                         }
1237                 else
1238                         {
1239                         if (cert->rsa_tmp != NULL)
1240                                 RSA_free(cert->rsa_tmp);
1241                         cert->rsa_tmp=rsa;
1242                         return(1);
1243                         }
1244                 }
1245                 /* break; */
1246         case SSL_CTRL_SET_TMP_RSA_CB:
1247                 {
1248                 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1249                 return(0);
1250                 }
1251                 break;
1252 #endif
1253 #ifndef OPENSSL_NO_DH
1254         case SSL_CTRL_SET_TMP_DH:
1255                 {
1256                 DH *new=NULL,*dh;
1257
1258                 dh=(DH *)parg;
1259                 if ((new=DHparams_dup(dh)) == NULL)
1260                         {
1261                         SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1262                         return 0;
1263                         }
1264                 if (!(ctx->options & SSL_OP_SINGLE_DH_USE))
1265                         {
1266                         if (!DH_generate_key(new))
1267                                 {
1268                                 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1269                                 DH_free(new);
1270                                 return 0;
1271                                 }
1272                         }
1273                 if (cert->dh_tmp != NULL)
1274                         DH_free(cert->dh_tmp);
1275                 cert->dh_tmp=new;
1276                 return 1;
1277                 }
1278                 /*break; */
1279         case SSL_CTRL_SET_TMP_DH_CB:
1280                 {
1281                 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1282                 return(0);
1283                 }
1284                 break;
1285 #endif
1286         /* A Thawte special :-) */
1287         case SSL_CTRL_EXTRA_CHAIN_CERT:
1288                 if (ctx->extra_certs == NULL)
1289                         {
1290                         if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
1291                                 return(0);
1292                         }
1293                 sk_X509_push(ctx->extra_certs,(X509 *)parg);
1294                 break;
1295
1296         default:
1297                 return(0);
1298                 }
1299         return(1);
1300         }
1301
1302 long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
1303         {
1304         CERT *cert;
1305
1306         cert=ctx->cert;
1307
1308         switch (cmd)
1309                 {
1310 #ifndef OPENSSL_NO_RSA
1311         case SSL_CTRL_SET_TMP_RSA_CB:
1312                 {
1313                 cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1314                 }
1315                 break;
1316 #endif
1317 #ifndef OPENSSL_NO_DH
1318         case SSL_CTRL_SET_TMP_DH_CB:
1319                 {
1320                 cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1321                 }
1322                 break;
1323 #endif
1324         default:
1325                 return(0);
1326                 }
1327         return(1);
1328         }
1329
1330 /* This function needs to check if the ciphers required are actually
1331  * available */
1332 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
1333         {
1334         static int init=1;
1335         static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
1336         SSL_CIPHER c,*cp= &c,**cpp;
1337         unsigned long id;
1338         int i;
1339
1340         if (init)
1341                 {
1342                 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
1343
1344                 for (i=0; i<SSL3_NUM_CIPHERS; i++)
1345                         sorted[i]= &(ssl3_ciphers[i]);
1346
1347                 qsort(  (char *)sorted,
1348                         SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1349                         FP_ICC ssl_cipher_ptr_id_cmp);
1350
1351                 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
1352
1353                 init=0;
1354                 }
1355
1356         id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
1357         c.id=id;
1358         cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
1359                 (char *)sorted,
1360                 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1361                 FP_ICC ssl_cipher_ptr_id_cmp);
1362         if ((cpp == NULL) || !(*cpp)->valid)
1363                 return(NULL);
1364         else
1365                 return(*cpp);
1366         }
1367
1368 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
1369         {
1370         long l;
1371
1372         if (p != NULL)
1373                 {
1374                 l=c->id;
1375                 if ((l & 0xff000000) != 0x03000000) return(0);
1376                 p[0]=((unsigned char)(l>> 8L))&0xFF;
1377                 p[1]=((unsigned char)(l     ))&0xFF;
1378                 }
1379         return(2);
1380         }
1381
1382 SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
1383              STACK_OF(SSL_CIPHER) *srvr)
1384         {
1385         SSL_CIPHER *c,*ret=NULL;
1386         STACK_OF(SSL_CIPHER) *prio, *allow;
1387         int i,j,ok;
1388         CERT *cert;
1389         unsigned long alg,mask,emask;
1390
1391         /* Let's see which ciphers we can support */
1392         cert=s->cert;
1393
1394 #if 0
1395         /* Do not set the compare functions, because this may lead to a
1396          * reordering by "id". We want to keep the original ordering.
1397          * We may pay a price in performance during sk_SSL_CIPHER_find(),
1398          * but would have to pay with the price of sk_SSL_CIPHER_dup().
1399          */
1400         sk_SSL_CIPHER_set_cmp_func(srvr, ssl_cipher_ptr_id_cmp);
1401         sk_SSL_CIPHER_set_cmp_func(clnt, ssl_cipher_ptr_id_cmp);
1402 #endif
1403
1404 #ifdef CIPHER_DEBUG
1405         printf("Server has %d from %p:\n", sk_SSL_CIPHER_num(srvr), srvr);
1406         for(i=0 ; i < sk_SSL_CIPHER_num(srvr) ; ++i)
1407             {
1408             c=sk_SSL_CIPHER_value(srvr,i);
1409             printf("%p:%s\n",c,c->name);
1410             }
1411         printf("Client sent %d from %p:\n", sk_SSL_CIPHER_num(clnt), clnt);
1412         for(i=0 ; i < sk_SSL_CIPHER_num(clnt) ; ++i)
1413             {
1414             c=sk_SSL_CIPHER_value(clnt,i);
1415             printf("%p:%s\n",c,c->name);
1416             }
1417 #endif
1418
1419         if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE)
1420             {
1421             prio = srvr;
1422             allow = clnt;
1423             }
1424         else
1425             {
1426             prio = clnt;
1427             allow = srvr;
1428             }
1429
1430         for (i=0; i<sk_SSL_CIPHER_num(prio); i++)
1431                 {
1432                 c=sk_SSL_CIPHER_value(prio,i);
1433
1434                 ssl_set_cert_masks(cert,c);
1435                 mask=cert->mask;
1436                 emask=cert->export_mask;
1437
1438 #ifdef KSSL_DEBUG
1439                 printf("ssl3_choose_cipher %d alg= %lx\n", i,c->algorithms);
1440 #endif    /* KSSL_DEBUG */
1441
1442                 alg=c->algorithms&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1443 #ifndef OPENSSL_NO_KRB5
1444                 if (alg & SSL_KRB5)
1445                         {
1446                         if ( !kssl_keytab_is_available(s->kssl_ctx) )
1447                             continue;
1448                         }
1449 #endif /* OPENSSL_NO_KRB5 */
1450                 if (SSL_C_IS_EXPORT(c))
1451                         {
1452                         ok=((alg & emask) == alg)?1:0;
1453 #ifdef CIPHER_DEBUG
1454                         printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
1455                                c,c->name);
1456 #endif
1457                         }
1458                 else
1459                         {
1460                         ok=((alg & mask) == alg)?1:0;
1461 #ifdef CIPHER_DEBUG
1462                         printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
1463                                c->name);
1464 #endif
1465                         }
1466
1467                 if (!ok) continue;
1468
1469                 j=sk_SSL_CIPHER_find(allow,c);
1470                 if (j >= 0)
1471                         {
1472                         ret=sk_SSL_CIPHER_value(allow,j);
1473                         break;
1474                         }
1475                 }
1476         return(ret);
1477         }
1478
1479 int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
1480         {
1481         int ret=0;
1482         unsigned long alg;
1483
1484         alg=s->s3->tmp.new_cipher->algorithms;
1485
1486 #ifndef OPENSSL_NO_DH
1487         if (alg & (SSL_kDHr|SSL_kEDH))
1488                 {
1489 #  ifndef OPENSSL_NO_RSA
1490                 p[ret++]=SSL3_CT_RSA_FIXED_DH;
1491 #  endif
1492 #  ifndef OPENSSL_NO_DSA
1493                 p[ret++]=SSL3_CT_DSS_FIXED_DH;
1494 #  endif
1495                 }
1496         if ((s->version == SSL3_VERSION) &&
1497                 (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
1498                 {
1499 #  ifndef OPENSSL_NO_RSA
1500                 p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
1501 #  endif
1502 #  ifndef OPENSSL_NO_DSA
1503                 p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
1504 #  endif
1505                 }
1506 #endif /* !OPENSSL_NO_DH */
1507 #ifndef OPENSSL_NO_RSA
1508         p[ret++]=SSL3_CT_RSA_SIGN;
1509 #endif
1510 #ifndef OPENSSL_NO_DSA
1511         p[ret++]=SSL3_CT_DSS_SIGN;
1512 #endif
1513         return(ret);
1514         }
1515
1516 int ssl3_shutdown(SSL *s)
1517         {
1518
1519         /* Don't do anything much if we have not done the handshake or
1520          * we don't want to send messages :-) */
1521         if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
1522                 {
1523                 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1524                 return(1);
1525                 }
1526
1527         if (!(s->shutdown & SSL_SENT_SHUTDOWN))
1528                 {
1529                 s->shutdown|=SSL_SENT_SHUTDOWN;
1530 #if 1
1531                 ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
1532 #endif
1533                 /* our shutdown alert has been sent now, and if it still needs
1534                  * to be written, s->s3->alert_dispatch will be true */
1535                 }
1536         else if (s->s3->alert_dispatch)
1537                 {
1538                 /* resend it if not sent */
1539 #if 1
1540                 ssl3_dispatch_alert(s);
1541 #endif
1542                 }
1543         else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
1544                 {
1545                 /* If we are waiting for a close from our peer, we are closed */
1546                 ssl3_read_bytes(s,0,NULL,0,0);
1547                 }
1548
1549         if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
1550                 !s->s3->alert_dispatch)
1551                 return(1);
1552         else
1553                 return(0);
1554         }
1555
1556 int ssl3_write(SSL *s, const void *buf, int len)
1557         {
1558         int ret,n;
1559
1560 #if 0
1561         if (s->shutdown & SSL_SEND_SHUTDOWN)
1562                 {
1563                 s->rwstate=SSL_NOTHING;
1564                 return(0);
1565                 }
1566 #endif
1567         clear_sys_error();
1568         if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1569
1570         /* This is an experimental flag that sends the
1571          * last handshake message in the same packet as the first
1572          * use data - used to see if it helps the TCP protocol during
1573          * session-id reuse */
1574         /* The second test is because the buffer may have been removed */
1575         if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
1576                 {
1577                 /* First time through, we write into the buffer */
1578                 if (s->s3->delay_buf_pop_ret == 0)
1579                         {
1580                         ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1581                                              buf,len);
1582                         if (ret <= 0) return(ret);
1583
1584                         s->s3->delay_buf_pop_ret=ret;
1585                         }
1586
1587                 s->rwstate=SSL_WRITING;
1588                 n=BIO_flush(s->wbio);
1589                 if (n <= 0) return(n);
1590                 s->rwstate=SSL_NOTHING;
1591
1592                 /* We have flushed the buffer, so remove it */
1593                 ssl_free_wbio_buffer(s);
1594                 s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
1595
1596                 ret=s->s3->delay_buf_pop_ret;
1597                 s->s3->delay_buf_pop_ret=0;
1598                 }
1599         else
1600                 {
1601                 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1602                                      buf,len);
1603                 if (ret <= 0) return(ret);
1604                 }
1605
1606         return(ret);
1607         }
1608
1609 static int ssl3_read_internal(SSL *s, void *buf, int len, int peek)
1610         {
1611         int ret;
1612
1613         clear_sys_error();
1614         if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1615         s->s3->in_read_app_data=1;
1616         ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1617         if ((ret == -1) && (s->s3->in_read_app_data == 2))
1618                 {
1619                 /* ssl3_read_bytes decided to call s->handshake_func, which
1620                  * called ssl3_read_bytes to read handshake data.
1621                  * However, ssl3_read_bytes actually found application data
1622                  * and thinks that application data makes sense here; so disable
1623                  * handshake processing and try to read application data again. */
1624                 s->in_handshake++;
1625                 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1626                 s->in_handshake--;
1627                 }
1628         else
1629                 s->s3->in_read_app_data=0;
1630
1631         return(ret);
1632         }
1633
1634 int ssl3_read(SSL *s, void *buf, int len)
1635         {
1636         return ssl3_read_internal(s, buf, len, 0);
1637         }
1638
1639 int ssl3_peek(SSL *s, void *buf, int len)
1640         {
1641         return ssl3_read_internal(s, buf, len, 1);
1642         }
1643
1644 int ssl3_renegotiate(SSL *s)
1645         {
1646         if (s->handshake_func == NULL)
1647                 return(1);
1648
1649         if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
1650                 return(0);
1651
1652         s->s3->renegotiate=1;
1653         return(1);
1654         }
1655
1656 int ssl3_renegotiate_check(SSL *s)
1657         {
1658         int ret=0;
1659
1660         if (s->s3->renegotiate)
1661                 {
1662                 if (    (s->s3->rbuf.left == 0) &&
1663                         (s->s3->wbuf.left == 0) &&
1664                         !SSL_in_init(s))
1665                         {
1666 /*
1667 if we are the server, and we have sent a 'RENEGOTIATE' message, we
1668 need to go to SSL_ST_ACCEPT.
1669 */
1670                         /* SSL_ST_ACCEPT */
1671                         s->state=SSL_ST_RENEGOTIATE;
1672                         s->s3->renegotiate=0;
1673                         s->s3->num_renegotiations++;
1674                         s->s3->total_renegotiations++;
1675                         ret=1;
1676                         }
1677                 }
1678         return(ret);
1679         }
1680