apps/s_cb.c

   1 /* apps/s_cb.c - callback functions used by s_client, s_server, and s_time */
   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) 1998-2006 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 <stdlib.h>
 114 #define USE_SOCKETS
 115 #define NON_MAIN
 116 #include "apps.h"
 117 #undef NON_MAIN
 118 #undef USE_SOCKETS
 119 #include <openssl/err.h>
 120 #include <openssl/x509.h>
 121 #include <openssl/ssl.h>
 122 #include "s_apps.h"
 123
 124 int verify_depth=0;
 125 int verify_error=X509_V_OK;
 126 int verify_return_error=0;
 127
 128 int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
 129         {
 130         X509 *err_cert;
 131         int err,depth;
 132
 133         err_cert=X509_STORE_CTX_get_current_cert(ctx);
 134         err=    X509_STORE_CTX_get_error(ctx);
 135         depth=  X509_STORE_CTX_get_error_depth(ctx);
 136
 137         BIO_printf(bio_err,"depth=%d ",depth);
 138         if (err_cert)
 139                 {
 140                 X509_NAME_print_ex(bio_err, X509_get_subject_name(err_cert),
 141                                         0, XN_FLAG_ONELINE);
 142                 BIO_puts(bio_err, "\n");
 143                 }
 144         else
 145                 BIO_puts(bio_err, "<no cert>\n");
 146         if (!ok)
 147                 {
 148                 BIO_printf(bio_err,"verify error:num=%d:%s\n",err,
 149                         X509_verify_cert_error_string(err));
 150                 if (verify_depth >= depth)
 151                         {
 152                         if (!verify_return_error)
 153                                 ok=1;
 154                         verify_error=X509_V_OK;
 155                         }
 156                 else
 157                         {
 158                         ok=0;
 159                         verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG;
 160                         }
 161                 }
 162         switch (err)
 163                 {
 164         case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
 165                 BIO_puts(bio_err,"issuer= ");
 166                 X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert),
 167                                         0, XN_FLAG_ONELINE);
 168                 BIO_puts(bio_err, "\n");
 169                 break;
 170         case X509_V_ERR_CERT_NOT_YET_VALID:
 171         case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
 172                 BIO_printf(bio_err,"notBefore=");
 173                 ASN1_TIME_print(bio_err,X509_get_notBefore(err_cert));
 174                 BIO_printf(bio_err,"\n");
 175                 break;
 176         case X509_V_ERR_CERT_HAS_EXPIRED:
 177         case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
 178                 BIO_printf(bio_err,"notAfter=");
 179                 ASN1_TIME_print(bio_err,X509_get_notAfter(err_cert));
 180                 BIO_printf(bio_err,"\n");
 181                 break;
 182         case X509_V_ERR_NO_EXPLICIT_POLICY:
 183                 policies_print(bio_err, ctx);
 184                 break;
 185                 }
 186         if (err == X509_V_OK && ok == 2)
 187                 policies_print(bio_err, ctx);
 188
 189         BIO_printf(bio_err,"verify return:%d\n",ok);
 190         return(ok);
 191         }
 192
 193 int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
 194         {
 195         if (cert_file != NULL)
 196                 {
 197                 /*
 198                 SSL *ssl;
 199                 X509 *x509;
 200                 */
 201
 202                 if (SSL_CTX_use_certificate_file(ctx,cert_file,
 203                         SSL_FILETYPE_PEM) <= 0)
 204                         {
 205                         BIO_printf(bio_err,"unable to get certificate from '%s'\n",cert_file);
 206                         ERR_print_errors(bio_err);
 207                         return(0);
 208                         }
 209                 if (key_file == NULL) key_file=cert_file;
 210                 if (SSL_CTX_use_PrivateKey_file(ctx,key_file,
 211                         SSL_FILETYPE_PEM) <= 0)
 212                         {
 213                         BIO_printf(bio_err,"unable to get private key from '%s'\n",key_file);
 214                         ERR_print_errors(bio_err);
 215                         return(0);
 216                         }
 217
 218                 /*
 219                 In theory this is no longer needed
 220                 ssl=SSL_new(ctx);
 221                 x509=SSL_get_certificate(ssl);
 222
 223                 if (x509 != NULL) {
 224                         EVP_PKEY *pktmp;
 225                         pktmp = X509_get_pubkey(x509);
 226                         EVP_PKEY_copy_parameters(pktmp,
 227                                                 SSL_get_privatekey(ssl));
 228                         EVP_PKEY_free(pktmp);
 229                 }
 230                 SSL_free(ssl);
 231                 */
 232
 233                 /* If we are using DSA, we can copy the parameters from
 234                  * the private key */
 235
 236
 237                 /* Now we know that a key and cert have been set against
 238                  * the SSL context */
 239                 if (!SSL_CTX_check_private_key(ctx))
 240                         {
 241                         BIO_printf(bio_err,"Private key does not match the certificate public key\n");
 242                         return(0);
 243                         }
 244                 }
 245         return(1);
 246         }
 247
 248 int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key)
 249         {
 250         if (cert ==  NULL)
 251                 return 1;
 252         if (SSL_CTX_use_certificate(ctx,cert) <= 0)
 253                 {
 254                 BIO_printf(bio_err,"error setting certificate\n");
 255                 ERR_print_errors(bio_err);
 256                 return 0;
 257                 }
 258         if (SSL_CTX_use_PrivateKey(ctx,key) <= 0)
 259                 {
 260                 BIO_printf(bio_err,"error setting private key\n");
 261                 ERR_print_errors(bio_err);
 262                 return 0;
 263                 }
 264
 265
 266                 /* Now we know that a key and cert have been set against
 267                  * the SSL context */
 268         if (!SSL_CTX_check_private_key(ctx))
 269                 {
 270                 BIO_printf(bio_err,"Private key does not match the certificate public key\n");
 271                 return 0;
 272                 }
 273         return 1;
 274         }
 275
 276 long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp,
 277                                    int argi, long argl, long ret)
 278         {
 279         BIO *out;
 280
 281         out=(BIO *)BIO_get_callback_arg(bio);
 282         if (out == NULL) return(ret);
 283
 284         if (cmd == (BIO_CB_READ|BIO_CB_RETURN))
 285                 {
 286                 BIO_printf(out,"read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
 287                         (void *)bio,argp,(unsigned long)argi,ret,ret);
 288                 BIO_dump(out,argp,(int)ret);
 289                 return(ret);
 290                 }
 291         else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN))
 292                 {
 293                 BIO_printf(out,"write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
 294                         (void *)bio,argp,(unsigned long)argi,ret,ret);
 295                 BIO_dump(out,argp,(int)ret);
 296                 }
 297         return(ret);
 298         }
 299
 300 void MS_CALLBACK apps_ssl_info_callback(const SSL *s, int where, int ret)
 301         {
 302         const char *str;
 303         int w;
 304
 305         w=where& ~SSL_ST_MASK;
 306
 307         if (w & SSL_ST_CONNECT) str="SSL_connect";
 308         else if (w & SSL_ST_ACCEPT) str="SSL_accept";
 309         else str="undefined";
 310
 311         if (where & SSL_CB_LOOP)
 312                 {
 313                 BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
 314                 }
 315         else if (where & SSL_CB_ALERT)
 316                 {
 317                 str=(where & SSL_CB_READ)?"read":"write";
 318                 BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
 319                         str,
 320                         SSL_alert_type_string_long(ret),
 321                         SSL_alert_desc_string_long(ret));
 322                 }
 323         else if (where & SSL_CB_EXIT)
 324                 {
 325                 if (ret == 0)
 326                         BIO_printf(bio_err,"%s:failed in %s\n",
 327                                 str,SSL_state_string_long(s));
 328                 else if (ret < 0)
 329                         {
 330                         BIO_printf(bio_err,"%s:error in %s\n",
 331                                 str,SSL_state_string_long(s));
 332                         }
 333                 }
 334         }
 335
 336
 337 void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)
 338         {
 339         BIO *bio = arg;
 340         const char *str_write_p, *str_version, *str_content_type = "", *str_details1 = "", *str_details2= "";
 341
 342         str_write_p = write_p ? ">>>" : "<<<";
 343
 344         switch (version)
 345                 {
 346         case SSL2_VERSION:
 347                 str_version = "SSL 2.0";
 348                 break;
 349         case SSL3_VERSION:
 350                 str_version = "SSL 3.0 ";
 351                 break;
 352         case TLS1_VERSION:
 353                 str_version = "TLS 1.0 ";
 354                 break;
 355         case DTLS1_VERSION:
 356                 str_version = "DTLS 1.0 ";
 357                 break;
 358         case DTLS1_BAD_VER:
 359                 str_version = "DTLS 1.0 (bad) ";
 360                 break;
 361         default:
 362                 str_version = "???";
 363                 }
 364
 365         if (version == SSL2_VERSION)
 366                 {
 367                 str_details1 = "???";
 368
 369                 if (len > 0)
 370                         {
 371                         switch (((const unsigned char*)buf)[0])
 372                                 {
 373                                 case 0:
 374                                         str_details1 = ", ERROR:";
 375                                         str_details2 = " ???";
 376                                         if (len >= 3)
 377                                                 {
 378                                                 unsigned err = (((const unsigned char*)buf)[1]<<8) + ((const unsigned char*)buf)[2];
 379
 380                                                 switch (err)
 381                                                         {
 382                                                 case 0x0001:
 383                                                         str_details2 = " NO-CIPHER-ERROR";
 384                                                         break;
 385                                                 case 0x0002:
 386                                                         str_details2 = " NO-CERTIFICATE-ERROR";
 387                                                         break;
 388                                                 case 0x0004:
 389                                                         str_details2 = " BAD-CERTIFICATE-ERROR";
 390                                                         break;
 391                                                 case 0x0006:
 392                                                         str_details2 = " UNSUPPORTED-CERTIFICATE-TYPE-ERROR";
 393                                                         break;
 394                                                         }
 395                                                 }
 396
 397                                         break;
 398                                 case 1:
 399                                         str_details1 = ", CLIENT-HELLO";
 400                                         break;
 401                                 case 2:
 402                                         str_details1 = ", CLIENT-MASTER-KEY";
 403                                         break;
 404                                 case 3:
 405                                         str_details1 = ", CLIENT-FINISHED";
 406                                         break;
 407                                 case 4:
 408                                         str_details1 = ", SERVER-HELLO";
 409                                         break;
 410                                 case 5:
 411                                         str_details1 = ", SERVER-VERIFY";
 412                                         break;
 413                                 case 6:
 414                                         str_details1 = ", SERVER-FINISHED";
 415                                         break;
 416                                 case 7:
 417                                         str_details1 = ", REQUEST-CERTIFICATE";
 418                                         break;
 419                                 case 8:
 420                                         str_details1 = ", CLIENT-CERTIFICATE";
 421                                         break;
 422                                 }
 423                         }
 424                 }
 425
 426         if (version == SSL3_VERSION ||
 427             version == TLS1_VERSION ||
 428             version == DTLS1_VERSION ||
 429             version == DTLS1_BAD_VER)
 430                 {
 431                 switch (content_type)
 432                         {
 433                 case 20:
 434                         str_content_type = "ChangeCipherSpec";
 435                         break;
 436                 case 21:
 437                         str_content_type = "Alert";
 438                         break;
 439                 case 22:
 440                         str_content_type = "Handshake";
 441                         break;
 442                         }
 443
 444                 if (content_type == 21) /* Alert */
 445                         {
 446                         str_details1 = ", ???";
 447
 448                         if (len == 2)
 449                                 {
 450                                 switch (((const unsigned char*)buf)[0])
 451                                         {
 452                                 case 1:
 453                                         str_details1 = ", warning";
 454                                         break;
 455                                 case 2:
 456                                         str_details1 = ", fatal";
 457                                         break;
 458                                         }
 459
 460                                 str_details2 = " ???";
 461                                 switch (((const unsigned char*)buf)[1])
 462                                         {
 463                                 case 0:
 464                                         str_details2 = " close_notify";
 465                                         break;
 466                                 case 10:
 467                                         str_details2 = " unexpected_message";
 468                                         break;
 469                                 case 20:
 470                                         str_details2 = " bad_record_mac";
 471                                         break;
 472                                 case 21:
 473                                         str_details2 = " decryption_failed";
 474                                         break;
 475                                 case 22:
 476                                         str_details2 = " record_overflow";
 477                                         break;
 478                                 case 30:
 479                                         str_details2 = " decompression_failure";
 480                                         break;
 481                                 case 40:
 482                                         str_details2 = " handshake_failure";
 483                                         break;
 484                                 case 42:
 485                                         str_details2 = " bad_certificate";
 486                                         break;
 487                                 case 43:
 488                                         str_details2 = " unsupported_certificate";
 489                                         break;
 490                                 case 44:
 491                                         str_details2 = " certificate_revoked";
 492                                         break;
 493                                 case 45:
 494                                         str_details2 = " certificate_expired";
 495                                         break;
 496                                 case 46:
 497                                         str_details2 = " certificate_unknown";
 498                                         break;
 499                                 case 47:
 500                                         str_details2 = " illegal_parameter";
 501                                         break;
 502                                 case 48:
 503                                         str_details2 = " unknown_ca";
 504                                         break;
 505                                 case 49:
 506                                         str_details2 = " access_denied";
 507                                         break;
 508                                 case 50:
 509                                         str_details2 = " decode_error";
 510                                         break;
 511                                 case 51:
 512                                         str_details2 = " decrypt_error";
 513                                         break;
 514                                 case 60:
 515                                         str_details2 = " export_restriction";
 516                                         break;
 517                                 case 70:
 518                                         str_details2 = " protocol_version";
 519                                         break;
 520                                 case 71:
 521                                         str_details2 = " insufficient_security";
 522                                         break;
 523                                 case 80:
 524                                         str_details2 = " internal_error";
 525                                         break;
 526                                 case 90:
 527                                         str_details2 = " user_canceled";
 528                                         break;
 529                                 case 100:
 530                                         str_details2 = " no_renegotiation";
 531                                         break;
 532                                 case 110:
 533                                         str_details2 = " unsupported_extension";
 534                                         break;
 535                                 case 111:
 536                                         str_details2 = " certificate_unobtainable";
 537                                         break;
 538                                 case 112:
 539                                         str_details2 = " unrecognized_name";
 540                                         break;
 541                                 case 113:
 542                                         str_details2 = " bad_certificate_status_response";
 543                                         break;
 544                                 case 114:
 545                                         str_details2 = " bad_certificate_hash_value";
 546                                         break;
 547                                         }
 548                                 }
 549                         }
 550
 551                 if (content_type == 22) /* Handshake */
 552                         {
 553                         str_details1 = "???";
 554
 555                         if (len > 0)
 556                                 {
 557                                 switch (((const unsigned char*)buf)[0])
 558                                         {
 559                                 case 0:
 560                                         str_details1 = ", HelloRequest";
 561                                         break;
 562                                 case 1:
 563                                         str_details1 = ", ClientHello";
 564                                         break;
 565                                 case 2:
 566                                         str_details1 = ", ServerHello";
 567                                         break;
 568                                 case 3:
 569                                         str_details1 = ", HelloVerifyRequest";
 570                                         break;
 571                                 case 11:
 572                                         str_details1 = ", Certificate";
 573                                         break;
 574                                 case 12:
 575                                         str_details1 = ", ServerKeyExchange";
 576                                         break;
 577                                 case 13:
 578                                         str_details1 = ", CertificateRequest";
 579                                         break;
 580                                 case 14:
 581                                         str_details1 = ", ServerHelloDone";
 582                                         break;
 583                                 case 15:
 584                                         str_details1 = ", CertificateVerify";
 585                                         break;
 586                                 case 16:
 587                                         str_details1 = ", ClientKeyExchange";
 588                                         break;
 589                                 case 20:
 590                                         str_details1 = ", Finished";
 591                                         break;
 592                                         }
 593                                 }
 594                         }
 595                 }
 596
 597         BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version, str_content_type, (unsigned long)len, str_details1, str_details2);
 598
 599         if (len > 0)
 600                 {
 601                 size_t num, i;
 602
 603                 BIO_printf(bio, "   ");
 604                 num = len;
 605 #if 0
 606                 if (num > 16)
 607                         num = 16;
 608 #endif
 609                 for (i = 0; i < num; i++)
 610                         {
 611                         if (i % 16 == 0 && i > 0)
 612                                 BIO_printf(bio, "\n   ");
 613                         BIO_printf(bio, " %02x", ((const unsigned char*)buf)[i]);
 614                         }
 615                 if (i < len)
 616                         BIO_printf(bio, " ...");
 617                 BIO_printf(bio, "\n");
 618                 }
 619         (void)BIO_flush(bio);
 620         }
 621
 622 void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type,
 623                                         unsigned char *data, int len,
 624                                         void *arg)
 625         {
 626         BIO *bio = arg;
 627         char *extname;
 628
 629         switch(type)
 630                 {
 631                 case TLSEXT_TYPE_server_name:
 632                 extname = "server name";
 633                 break;
 634
 635                 case TLSEXT_TYPE_max_fragment_length:
 636                 extname = "max fragment length";
 637                 break;
 638
 639                 case TLSEXT_TYPE_client_certificate_url:
 640                 extname = "client certificate URL";
 641                 break;
 642
 643                 case TLSEXT_TYPE_trusted_ca_keys:
 644                 extname = "trusted CA keys";
 645                 break;
 646
 647                 case TLSEXT_TYPE_truncated_hmac:
 648                 extname = "truncated HMAC";
 649                 break;
 650
 651                 case TLSEXT_TYPE_status_request:
 652                 extname = "status request";
 653                 break;
 654
 655                 case TLSEXT_TYPE_elliptic_curves:
 656                 extname = "elliptic curves";
 657                 break;
 658
 659                 case TLSEXT_TYPE_ec_point_formats:
 660                 extname = "EC point formats";
 661                 break;
 662
 663                 case TLSEXT_TYPE_session_ticket:
 664                 extname = "server ticket";
 665                 break;
 666
 667 #ifdef TLSEXT_TYPE_opaque_prf_input
 668                 case TLSEXT_TYPE_opaque_prf_input:
 669                 extname = "opaque PRF input";
 670                 break;
 671 #endif
 672
 673                 default:
 674                 extname = "unknown";
 675                 break;
 676
 677                 }
 678
 679         BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
 680                         client_server ? "server": "client",
 681                         extname, type, len);
 682         BIO_dump(bio, (char *)data, len);
 683         (void)BIO_flush(bio);
 684         }