crypto/libressl/ssl/ssl_stat.c

   1 /* $OpenBSD: ssl_stat.c,v 1.11 2014/07/13 00:08:44 jsing Exp $ */
   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 2005 Nokia. All rights reserved.
  60  *
  61  * The portions of the attached software ("Contribution") is developed by
  62  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
  63  * license.
  64  *
  65  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
  66  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
  67  * support (see RFC 4279) to OpenSSL.
  68  *
  69  * No patent licenses or other rights except those expressly stated in
  70  * the OpenSSL open source license shall be deemed granted or received
  71  * expressly, by implication, estoppel, or otherwise.
  72  *
  73  * No assurances are provided by Nokia that the Contribution does not
  74  * infringe the patent or other intellectual property rights of any third
  75  * party or that the license provides you with all the necessary rights
  76  * to make use of the Contribution.
  77  *
  78  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
  79  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
  80  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
  81  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
  82  * OTHERWISE.
  83  */
  84
  85 #include <stdio.h>
  86
  87 #include "ssl_locl.h"
  88
  89 const char *
  90 SSL_state_string_long(const SSL *s)
  91 {
  92         const char *str;
  93
  94         switch (s->state) {
  95         case SSL_ST_BEFORE:
  96                 str = "before SSL initialization";
  97                 break;
  98         case SSL_ST_ACCEPT:
  99                 str = "before accept initialization";
 100                 break;
 101         case SSL_ST_CONNECT:
 102                 str = "before connect initialization";
 103                 break;
 104         case SSL_ST_OK:
 105                 str = "SSL negotiation finished successfully";
 106                 break;
 107         case SSL_ST_RENEGOTIATE:
 108                 str = "SSL renegotiate ciphers";
 109                 break;
 110         case SSL_ST_BEFORE|SSL_ST_CONNECT:
 111                 str = "before/connect initialization";
 112                 break;
 113         case SSL_ST_OK|SSL_ST_CONNECT:
 114                 str = "ok/connect SSL initialization";
 115                 break;
 116         case SSL_ST_BEFORE|SSL_ST_ACCEPT:
 117                 str = "before/accept initialization";
 118                 break;
 119         case SSL_ST_OK|SSL_ST_ACCEPT:
 120                 str = "ok/accept SSL initialization";
 121                 break;
 122
 123         /* SSLv3 additions */
 124         case SSL3_ST_CW_CLNT_HELLO_A:
 125                 str = "SSLv3 write client hello A";
 126                 break;
 127         case SSL3_ST_CW_CLNT_HELLO_B:
 128                 str = "SSLv3 write client hello B";
 129                 break;
 130         case SSL3_ST_CR_SRVR_HELLO_A:
 131                 str = "SSLv3 read server hello A";
 132                 break;
 133         case SSL3_ST_CR_SRVR_HELLO_B:
 134                 str = "SSLv3 read server hello B";
 135                 break;
 136         case SSL3_ST_CR_CERT_A:
 137                 str = "SSLv3 read server certificate A";
 138                 break;
 139         case SSL3_ST_CR_CERT_B:
 140                 str = "SSLv3 read server certificate B";
 141                 break;
 142         case SSL3_ST_CR_KEY_EXCH_A:
 143                 str = "SSLv3 read server key exchange A";
 144                 break;
 145         case SSL3_ST_CR_KEY_EXCH_B:
 146                 str = "SSLv3 read server key exchange B";
 147                 break;
 148         case SSL3_ST_CR_CERT_REQ_A:
 149                 str = "SSLv3 read server certificate request A";
 150                 break;
 151         case SSL3_ST_CR_CERT_REQ_B:
 152                 str = "SSLv3 read server certificate request B";
 153                 break;
 154         case SSL3_ST_CR_SESSION_TICKET_A:
 155                 str = "SSLv3 read server session ticket A";
 156                 break;
 157         case SSL3_ST_CR_SESSION_TICKET_B:
 158                 str = "SSLv3 read server session ticket B";
 159                 break;
 160         case SSL3_ST_CR_SRVR_DONE_A:
 161                 str = "SSLv3 read server done A";
 162                 break;
 163         case SSL3_ST_CR_SRVR_DONE_B:
 164                 str = "SSLv3 read server done B";
 165                 break;
 166         case SSL3_ST_CW_CERT_A:
 167                 str = "SSLv3 write client certificate A";
 168                 break;
 169         case SSL3_ST_CW_CERT_B:
 170                 str = "SSLv3 write client certificate B";
 171                 break;
 172         case SSL3_ST_CW_CERT_C:
 173                 str = "SSLv3 write client certificate C";
 174                 break;
 175         case SSL3_ST_CW_CERT_D:
 176                 str = "SSLv3 write client certificate D";
 177                 break;
 178         case SSL3_ST_CW_KEY_EXCH_A:
 179                 str = "SSLv3 write client key exchange A";
 180                 break;
 181         case SSL3_ST_CW_KEY_EXCH_B:
 182                 str = "SSLv3 write client key exchange B";
 183                 break;
 184         case SSL3_ST_CW_CERT_VRFY_A:
 185                 str = "SSLv3 write certificate verify A";
 186                 break;
 187         case SSL3_ST_CW_CERT_VRFY_B:
 188                 str = "SSLv3 write certificate verify B";
 189                 break;
 190
 191         case SSL3_ST_CW_CHANGE_A:
 192         case SSL3_ST_SW_CHANGE_A:
 193                 str = "SSLv3 write change cipher spec A";
 194                 break;
 195         case SSL3_ST_CW_CHANGE_B:
 196         case SSL3_ST_SW_CHANGE_B:
 197                 str = "SSLv3 write change cipher spec B";
 198                 break;
 199         case SSL3_ST_CW_FINISHED_A:
 200         case SSL3_ST_SW_FINISHED_A:
 201                 str = "SSLv3 write finished A";
 202                 break;
 203         case SSL3_ST_CW_FINISHED_B:
 204         case SSL3_ST_SW_FINISHED_B:
 205                 str = "SSLv3 write finished B";
 206                 break;
 207         case SSL3_ST_CR_CHANGE_A:
 208         case SSL3_ST_SR_CHANGE_A:
 209                 str = "SSLv3 read change cipher spec A";
 210                 break;
 211         case SSL3_ST_CR_CHANGE_B:
 212         case SSL3_ST_SR_CHANGE_B:
 213                 str = "SSLv3 read change cipher spec B";
 214                 break;
 215         case SSL3_ST_CR_FINISHED_A:
 216         case SSL3_ST_SR_FINISHED_A:
 217                 str = "SSLv3 read finished A";
 218                 break;
 219         case SSL3_ST_CR_FINISHED_B:
 220         case SSL3_ST_SR_FINISHED_B:
 221                 str = "SSLv3 read finished B";
 222                 break;
 223
 224         case SSL3_ST_CW_FLUSH:
 225         case SSL3_ST_SW_FLUSH:
 226                 str = "SSLv3 flush data";
 227                 break;
 228
 229         case SSL3_ST_SR_CLNT_HELLO_A:
 230                 str = "SSLv3 read client hello A";
 231                 break;
 232         case SSL3_ST_SR_CLNT_HELLO_B:
 233                 str = "SSLv3 read client hello B";
 234                 break;
 235         case SSL3_ST_SR_CLNT_HELLO_C:
 236                 str = "SSLv3 read client hello C";
 237                 break;
 238         case SSL3_ST_SW_HELLO_REQ_A:
 239                 str = "SSLv3 write hello request A";
 240                 break;
 241         case SSL3_ST_SW_HELLO_REQ_B:
 242                 str = "SSLv3 write hello request B";
 243                 break;
 244         case SSL3_ST_SW_HELLO_REQ_C:
 245                 str = "SSLv3 write hello request C";
 246                 break;
 247         case SSL3_ST_SW_SRVR_HELLO_A:
 248                 str = "SSLv3 write server hello A";
 249                 break;
 250         case SSL3_ST_SW_SRVR_HELLO_B:
 251                 str = "SSLv3 write server hello B";
 252                 break;
 253         case SSL3_ST_SW_CERT_A:
 254                 str = "SSLv3 write certificate A";
 255                 break;
 256         case SSL3_ST_SW_CERT_B:
 257                 str = "SSLv3 write certificate B";
 258                 break;
 259         case SSL3_ST_SW_KEY_EXCH_A:
 260                 str = "SSLv3 write key exchange A";
 261                 break;
 262         case SSL3_ST_SW_KEY_EXCH_B:
 263                 str = "SSLv3 write key exchange B";
 264                 break;
 265         case SSL3_ST_SW_CERT_REQ_A:
 266                 str = "SSLv3 write certificate request A";
 267                 break;
 268         case SSL3_ST_SW_CERT_REQ_B:
 269                 str = "SSLv3 write certificate request B";
 270                 break;
 271         case SSL3_ST_SW_SESSION_TICKET_A:
 272                 str = "SSLv3 write session ticket A";
 273                 break;
 274         case SSL3_ST_SW_SESSION_TICKET_B:
 275                 str = "SSLv3 write session ticket B";
 276                 break;
 277         case SSL3_ST_SW_SRVR_DONE_A:
 278                 str = "SSLv3 write server done A";
 279                 break;
 280         case SSL3_ST_SW_SRVR_DONE_B:
 281                 str = "SSLv3 write server done B";
 282                 break;
 283         case SSL3_ST_SR_CERT_A:
 284                 str = "SSLv3 read client certificate A";
 285                 break;
 286         case SSL3_ST_SR_CERT_B:
 287                 str = "SSLv3 read client certificate B";
 288                 break;
 289         case SSL3_ST_SR_KEY_EXCH_A:
 290                 str = "SSLv3 read client key exchange A";
 291                 break;
 292         case SSL3_ST_SR_KEY_EXCH_B:
 293                 str = "SSLv3 read client key exchange B";
 294                 break;
 295         case SSL3_ST_SR_CERT_VRFY_A:
 296                 str = "SSLv3 read certificate verify A";
 297                 break;
 298         case SSL3_ST_SR_CERT_VRFY_B:
 299                 str = "SSLv3 read certificate verify B";
 300                 break;
 301
 302         /* DTLS */
 303         case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A:
 304                 str = "DTLS1 read hello verify request A";
 305                 break;
 306         case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B:
 307                 str = "DTLS1 read hello verify request B";
 308                 break;
 309         case DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A:
 310                 str = "DTLS1 write hello verify request A";
 311                 break;
 312         case DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B:
 313                 str = "DTLS1 write hello verify request B";
 314                 break;
 315
 316         default:
 317                 str = "unknown state";
 318                 break;
 319         }
 320         return (str);
 321 }
 322
 323 const char *
 324 SSL_rstate_string_long(const SSL *s)
 325 {
 326         const char *str;
 327
 328         switch (s->rstate) {
 329         case SSL_ST_READ_HEADER:
 330                 str = "read header";
 331                 break;
 332         case SSL_ST_READ_BODY:
 333                 str = "read body";
 334                 break;
 335         case SSL_ST_READ_DONE:
 336                 str = "read done";
 337                 break;
 338         default:
 339                 str = "unknown";
 340                 break;
 341         }
 342         return (str);
 343 }
 344
 345 const char *
 346 SSL_state_string(const SSL *s)
 347 {
 348         const char *str;
 349
 350         switch (s->state) {
 351         case SSL_ST_BEFORE:
 352                 str = "PINIT ";
 353                 break;
 354         case SSL_ST_ACCEPT:
 355                 str = "AINIT ";
 356                 break;
 357         case SSL_ST_CONNECT:
 358                 str = "CINIT ";
 359                 break;
 360         case SSL_ST_OK:
 361                 str = "SSLOK ";
 362                 break;
 363
 364         /* SSLv3 additions */
 365         case SSL3_ST_SW_FLUSH:
 366         case SSL3_ST_CW_FLUSH:
 367                 str = "3FLUSH";
 368                 break;
 369         case SSL3_ST_CW_CLNT_HELLO_A:
 370                 str = "3WCH_A";
 371                 break;
 372         case SSL3_ST_CW_CLNT_HELLO_B:
 373                 str = "3WCH_B";
 374                 break;
 375         case SSL3_ST_CR_SRVR_HELLO_A:
 376                 str = "3RSH_A";
 377                 break;
 378         case SSL3_ST_CR_SRVR_HELLO_B:
 379                 str = "3RSH_B";
 380                 break;
 381         case SSL3_ST_CR_CERT_A:
 382                 str = "3RSC_A";
 383                 break;
 384         case SSL3_ST_CR_CERT_B:
 385                 str = "3RSC_B";
 386                 break;
 387         case SSL3_ST_CR_KEY_EXCH_A:
 388                 str = "3RSKEA";
 389                 break;
 390         case SSL3_ST_CR_KEY_EXCH_B:
 391                 str = "3RSKEB";
 392                 break;
 393         case SSL3_ST_CR_CERT_REQ_A:
 394                 str = "3RCR_A";
 395                 break;
 396         case SSL3_ST_CR_CERT_REQ_B:
 397                 str = "3RCR_B";
 398                 break;
 399         case SSL3_ST_CR_SRVR_DONE_A:
 400                 str = "3RSD_A";
 401                 break;
 402         case SSL3_ST_CR_SRVR_DONE_B:
 403                 str = "3RSD_B";
 404                 break;
 405         case SSL3_ST_CW_CERT_A:
 406                 str = "3WCC_A";
 407                 break;
 408         case SSL3_ST_CW_CERT_B:
 409                 str = "3WCC_B";
 410                 break;
 411         case SSL3_ST_CW_CERT_C:
 412                 str = "3WCC_C";
 413                 break;
 414         case SSL3_ST_CW_CERT_D:
 415                 str = "3WCC_D";
 416                 break;
 417         case SSL3_ST_CW_KEY_EXCH_A:
 418                 str = "3WCKEA";
 419                 break;
 420         case SSL3_ST_CW_KEY_EXCH_B:
 421                 str = "3WCKEB";
 422                 break;
 423         case SSL3_ST_CW_CERT_VRFY_A:
 424                 str = "3WCV_A";
 425                 break;
 426         case SSL3_ST_CW_CERT_VRFY_B:
 427                 str = "3WCV_B";
 428                 break;
 429
 430         case SSL3_ST_SW_CHANGE_A:
 431         case SSL3_ST_CW_CHANGE_A:
 432                 str = "3WCCSA";
 433                 break;
 434         case SSL3_ST_SW_CHANGE_B:
 435         case SSL3_ST_CW_CHANGE_B:
 436                 str = "3WCCSB";
 437                 break;
 438         case SSL3_ST_SW_FINISHED_A:
 439         case SSL3_ST_CW_FINISHED_A:
 440                 str = "3WFINA";
 441                 break;
 442         case SSL3_ST_SW_FINISHED_B:
 443         case SSL3_ST_CW_FINISHED_B:
 444                 str = "3WFINB";
 445                 break;
 446         case SSL3_ST_SR_CHANGE_A:
 447         case SSL3_ST_CR_CHANGE_A:
 448                 str = "3RCCSA";
 449                 break;
 450         case SSL3_ST_SR_CHANGE_B:
 451         case SSL3_ST_CR_CHANGE_B:
 452                 str = "3RCCSB";
 453                 break;
 454         case SSL3_ST_SR_FINISHED_A:
 455         case SSL3_ST_CR_FINISHED_A:
 456                 str = "3RFINA";
 457                 break;
 458         case SSL3_ST_SR_FINISHED_B:
 459         case SSL3_ST_CR_FINISHED_B:
 460                 str = "3RFINB";
 461                 break;
 462
 463         case SSL3_ST_SW_HELLO_REQ_A:
 464                 str = "3WHR_A";
 465                 break;
 466         case SSL3_ST_SW_HELLO_REQ_B:
 467                 str = "3WHR_B";
 468                 break;
 469         case SSL3_ST_SW_HELLO_REQ_C:
 470                 str = "3WHR_C";
 471                 break;
 472         case SSL3_ST_SR_CLNT_HELLO_A:
 473                 str = "3RCH_A";
 474                 break;
 475         case SSL3_ST_SR_CLNT_HELLO_B:
 476                 str = "3RCH_B";
 477                 break;
 478         case SSL3_ST_SR_CLNT_HELLO_C:
 479                 str = "3RCH_C";
 480                 break;
 481         case SSL3_ST_SW_SRVR_HELLO_A:
 482                 str = "3WSH_A";
 483                 break;
 484         case SSL3_ST_SW_SRVR_HELLO_B:
 485                 str = "3WSH_B";
 486                 break;
 487         case SSL3_ST_SW_CERT_A:
 488                 str = "3WSC_A";
 489                 break;
 490         case SSL3_ST_SW_CERT_B:
 491                 str = "3WSC_B";
 492                 break;
 493         case SSL3_ST_SW_KEY_EXCH_A:
 494                 str = "3WSKEA";
 495                 break;
 496         case SSL3_ST_SW_KEY_EXCH_B:
 497                 str = "3WSKEB";
 498                 break;
 499         case SSL3_ST_SW_CERT_REQ_A:
 500                 str = "3WCR_A";
 501                 break;
 502         case SSL3_ST_SW_CERT_REQ_B:
 503                 str = "3WCR_B";
 504                 break;
 505         case SSL3_ST_SW_SRVR_DONE_A:
 506                 str = "3WSD_A";
 507                 break;
 508         case SSL3_ST_SW_SRVR_DONE_B:
 509                 str = "3WSD_B";
 510                 break;
 511         case SSL3_ST_SR_CERT_A:
 512                 str = "3RCC_A";
 513                 break;
 514         case SSL3_ST_SR_CERT_B:
 515                 str = "3RCC_B";
 516                 break;
 517         case SSL3_ST_SR_KEY_EXCH_A:
 518                 str = "3RCKEA";
 519                 break;
 520         case SSL3_ST_SR_KEY_EXCH_B:
 521                 str = "3RCKEB";
 522                 break;
 523         case SSL3_ST_SR_CERT_VRFY_A:
 524                 str = "3RCV_A";
 525                 break;
 526         case SSL3_ST_SR_CERT_VRFY_B:
 527                 str = "3RCV_B";
 528                 break;
 529
 530         /* DTLS */
 531         case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A:
 532                 str = "DRCHVA";
 533                 break;
 534         case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B:
 535                 str = "DRCHVB";
 536                 break;
 537         case DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A:
 538                 str = "DWCHVA";
 539                 break;
 540         case DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B:
 541                 str = "DWCHVB";
 542                 break;
 543
 544         default:
 545                 str = "UNKWN ";
 546                 break;
 547         }
 548         return (str);
 549 }
 550
 551 const char *
 552 SSL_alert_type_string_long(int value)
 553 {
 554         value >>= 8;
 555         if (value == SSL3_AL_WARNING)
 556                 return ("warning");
 557         else if (value == SSL3_AL_FATAL)
 558                 return ("fatal");
 559         else
 560                 return ("unknown");
 561 }
 562
 563 const char *
 564 SSL_alert_type_string(int value)
 565 {
 566         value >>= 8;
 567         if (value == SSL3_AL_WARNING)
 568                 return ("W");
 569         else if (value == SSL3_AL_FATAL)
 570                 return ("F");
 571         else
 572                 return ("U");
 573 }
 574
 575 const char *
 576 SSL_alert_desc_string(int value)
 577 {
 578         const char *str;
 579
 580         switch (value & 0xff) {
 581         case SSL3_AD_CLOSE_NOTIFY:
 582                 str = "CN";
 583                 break;
 584         case SSL3_AD_UNEXPECTED_MESSAGE:
 585                 str = "UM";
 586                 break;
 587         case SSL3_AD_BAD_RECORD_MAC:
 588                 str = "BM";
 589                 break;
 590         case SSL3_AD_DECOMPRESSION_FAILURE:
 591                 str = "DF";
 592                 break;
 593         case SSL3_AD_HANDSHAKE_FAILURE:
 594                 str = "HF";
 595                 break;
 596         case SSL3_AD_NO_CERTIFICATE:
 597                 str = "NC";
 598                 break;
 599         case SSL3_AD_BAD_CERTIFICATE:
 600                 str = "BC";
 601                 break;
 602         case SSL3_AD_UNSUPPORTED_CERTIFICATE:
 603                 str = "UC";
 604                 break;
 605         case SSL3_AD_CERTIFICATE_REVOKED:
 606                 str = "CR";
 607                 break;
 608         case SSL3_AD_CERTIFICATE_EXPIRED:
 609                 str = "CE";
 610                 break;
 611         case SSL3_AD_CERTIFICATE_UNKNOWN:
 612                 str = "CU";
 613                 break;
 614         case SSL3_AD_ILLEGAL_PARAMETER:
 615                 str = "IP";
 616                 break;
 617         case TLS1_AD_DECRYPTION_FAILED:
 618                 str = "DC";
 619                 break;
 620         case TLS1_AD_RECORD_OVERFLOW:
 621                 str = "RO";
 622                 break;
 623         case TLS1_AD_UNKNOWN_CA:
 624                 str = "CA";
 625                 break;
 626         case TLS1_AD_ACCESS_DENIED:
 627                 str = "AD";
 628                 break;
 629         case TLS1_AD_DECODE_ERROR:
 630                 str = "DE";
 631                 break;
 632         case TLS1_AD_DECRYPT_ERROR:
 633                 str = "CY";
 634                 break;
 635         case TLS1_AD_EXPORT_RESTRICTION:
 636                 str = "ER";
 637                 break;
 638         case TLS1_AD_PROTOCOL_VERSION:
 639                 str = "PV";
 640                 break;
 641         case TLS1_AD_INSUFFICIENT_SECURITY:
 642                 str = "IS";
 643                 break;
 644         case TLS1_AD_INTERNAL_ERROR:
 645                 str = "IE";
 646                 break;
 647         case TLS1_AD_USER_CANCELLED:
 648                 str = "US";
 649                 break;
 650         case TLS1_AD_NO_RENEGOTIATION:
 651                 str = "NR";
 652                 break;
 653         case TLS1_AD_UNSUPPORTED_EXTENSION:
 654                 str = "UE";
 655                 break;
 656         case TLS1_AD_CERTIFICATE_UNOBTAINABLE:
 657                 str = "CO";
 658                 break;
 659         case TLS1_AD_UNRECOGNIZED_NAME:
 660                 str = "UN";
 661                 break;
 662         case TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
 663                 str = "BR";
 664                 break;
 665         case TLS1_AD_BAD_CERTIFICATE_HASH_VALUE:
 666                 str = "BH";
 667                 break;
 668         case TLS1_AD_UNKNOWN_PSK_IDENTITY:
 669                 str = "UP";
 670                 break;
 671         default:
 672                 str = "UK";
 673                 break;
 674         }
 675         return (str);
 676 }
 677
 678 const char *
 679 SSL_alert_desc_string_long(int value)
 680 {
 681         const char *str;
 682
 683         switch (value & 0xff) {
 684         case SSL3_AD_CLOSE_NOTIFY:
 685                 str = "close notify";
 686                 break;
 687         case SSL3_AD_UNEXPECTED_MESSAGE:
 688                 str = "unexpected_message";
 689                 break;
 690         case SSL3_AD_BAD_RECORD_MAC:
 691                 str = "bad record mac";
 692                 break;
 693         case SSL3_AD_DECOMPRESSION_FAILURE:
 694                 str = "decompression failure";
 695                 break;
 696         case SSL3_AD_HANDSHAKE_FAILURE:
 697                 str = "handshake failure";
 698                 break;
 699         case SSL3_AD_NO_CERTIFICATE:
 700                 str = "no certificate";
 701                 break;
 702         case SSL3_AD_BAD_CERTIFICATE:
 703                 str = "bad certificate";
 704                 break;
 705         case SSL3_AD_UNSUPPORTED_CERTIFICATE:
 706                 str = "unsupported certificate";
 707                 break;
 708         case SSL3_AD_CERTIFICATE_REVOKED:
 709                 str = "certificate revoked";
 710                 break;
 711         case SSL3_AD_CERTIFICATE_EXPIRED:
 712                 str = "certificate expired";
 713                 break;
 714         case SSL3_AD_CERTIFICATE_UNKNOWN:
 715                 str = "certificate unknown";
 716                 break;
 717         case SSL3_AD_ILLEGAL_PARAMETER:
 718                 str = "illegal parameter";
 719                 break;
 720         case TLS1_AD_DECRYPTION_FAILED:
 721                 str = "decryption failed";
 722                 break;
 723         case TLS1_AD_RECORD_OVERFLOW:
 724                 str = "record overflow";
 725                 break;
 726         case TLS1_AD_UNKNOWN_CA:
 727                 str = "unknown CA";
 728                 break;
 729         case TLS1_AD_ACCESS_DENIED:
 730                 str = "access denied";
 731                 break;
 732         case TLS1_AD_DECODE_ERROR:
 733                 str = "decode error";
 734                 break;
 735         case TLS1_AD_DECRYPT_ERROR:
 736                 str = "decrypt error";
 737                 break;
 738         case TLS1_AD_EXPORT_RESTRICTION:
 739                 str = "export restriction";
 740                 break;
 741         case TLS1_AD_PROTOCOL_VERSION:
 742                 str = "protocol version";
 743                 break;
 744         case TLS1_AD_INSUFFICIENT_SECURITY:
 745                 str = "insufficient security";
 746                 break;
 747         case TLS1_AD_INTERNAL_ERROR:
 748                 str = "internal error";
 749                 break;
 750         case TLS1_AD_USER_CANCELLED:
 751                 str = "user canceled";
 752                 break;
 753         case TLS1_AD_NO_RENEGOTIATION:
 754                 str = "no renegotiation";
 755                 break;
 756         case TLS1_AD_UNSUPPORTED_EXTENSION:
 757                 str = "unsupported extension";
 758                 break;
 759         case TLS1_AD_CERTIFICATE_UNOBTAINABLE:
 760                 str = "certificate unobtainable";
 761                 break;
 762         case TLS1_AD_UNRECOGNIZED_NAME:
 763                 str = "unrecognized name";
 764                 break;
 765         case TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
 766                 str = "bad certificate status response";
 767                 break;
 768         case TLS1_AD_BAD_CERTIFICATE_HASH_VALUE:
 769                 str = "bad certificate hash value";
 770                 break;
 771         case TLS1_AD_UNKNOWN_PSK_IDENTITY:
 772                 str = "unknown PSK identity";
 773                 break;
 774         default:
 775                 str = "unknown";
 776                 break;
 777         }
 778         return (str);
 779 }
 780
 781 const char *
 782 SSL_rstate_string(const SSL *s)
 783 {
 784         const char *str;
 785
 786         switch (s->rstate) {
 787         case SSL_ST_READ_HEADER:
 788                 str = "RH";
 789                 break;
 790         case SSL_ST_READ_BODY:
 791                 str = "RB";
 792                 break;
 793         case SSL_ST_READ_DONE:
 794                 str = "RD";
 795                 break;
 796         default:
 797                 str = "unknown";
 798                 break;
 799         }
 800         return (str);
 801 }