ssl/ssltest.c

   1 /* ssl/ssltest.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111
 112 #include <assert.h>
 113 #include <errno.h>
 114 #include <limits.h>
 115 #include <stdio.h>
 116 #include <stdlib.h>
 117 #include <string.h>
 118 #include <time.h>
 119
 120 #include "e_os.h"
 121
 122 #include <openssl/bio.h>
 123 #include <openssl/crypto.h>
 124 #include <openssl/evp.h>
 125 #include <openssl/x509.h>
 126 #include <openssl/ssl.h>
 127 #include <openssl/engine.h>
 128 #include <openssl/err.h>
 129 #include <openssl/rand.h>
 130 #ifdef OPENSSL_SYS_WINDOWS
 131 #include <winsock.h>
 132 #include "../crypto/bio/bss_file.c"
 133 #endif
 134
 135 #ifdef OPENSSL_SYS_VMS
 136 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
 137 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
 138 #else
 139 #  define TEST_SERVER_CERT "../apps/server.pem"
 140 #  define TEST_CLIENT_CERT "../apps/client.pem"
 141 #endif
 142
 143 /* There is really no standard for this, so let's assign some tentative
 144    numbers.  In any case, these numbers are only for this test */
 145 #define COMP_RLE        1
 146 #define COMP_ZLIB       2
 147
 148 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
 149 #ifndef OPENSSL_NO_RSA
 150 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
 151 static void free_tmp_rsa(void);
 152 #endif
 153 #ifndef OPENSSL_NO_DH
 154 static DH *get_dh512(void);
 155 static DH *get_dh1024(void);
 156 static DH *get_dh1024dsa(void);
 157 #endif
 158
 159 static BIO *bio_err=NULL;
 160 static BIO *bio_stdout=NULL;
 161
 162 static char *cipher=NULL;
 163 static int verbose=0;
 164 static int debug=0;
 165 #if 0
 166 /* Not used yet. */
 167 #ifdef FIONBIO
 168 static int s_nbio=0;
 169 #endif
 170 #endif
 171
 172 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
 173
 174 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
 175 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
 176 static void sv_usage(void)
 177         {
 178         fprintf(stderr,"usage: ssltest [args ...]\n");
 179         fprintf(stderr,"\n");
 180         fprintf(stderr," -server_auth  - check server certificate\n");
 181         fprintf(stderr," -client_auth  - do client authentication\n");
 182         fprintf(stderr," -v            - more output\n");
 183         fprintf(stderr," -d            - debug output\n");
 184         fprintf(stderr," -reuse        - use session-id reuse\n");
 185         fprintf(stderr," -num <val>    - number of connections to perform\n");
 186         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
 187 #ifndef OPENSSL_NO_DH
 188         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
 189         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
 190         fprintf(stderr," -no_dhe       - disable DHE\n");
 191 #endif
 192 #ifndef OPENSSL_NO_SSL2
 193         fprintf(stderr," -ssl2         - use SSLv2\n");
 194 #endif
 195 #ifndef OPENSSL_NO_SSL3
 196         fprintf(stderr," -ssl3         - use SSLv3\n");
 197 #endif
 198 #ifndef OPENSSL_NO_TLS1
 199         fprintf(stderr," -tls1         - use TLSv1\n");
 200 #endif
 201         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
 202         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
 203         fprintf(stderr," -cert arg     - Server certificate file\n");
 204         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
 205         fprintf(stderr," -c_cert arg   - Client certificate file\n");
 206         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
 207         fprintf(stderr," -cipher arg   - The cipher list\n");
 208         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
 209         fprintf(stderr," -f            - Test even cases that can't work\n");
 210         fprintf(stderr," -time         - measure processor time used by client and server\n");
 211         fprintf(stderr," -zlib         - use zlib compression\n");
 212         fprintf(stderr," -time         - use rle compression\n");
 213         }
 214
 215 static void print_details(SSL *c_ssl, const char *prefix)
 216         {
 217         SSL_CIPHER *ciph;
 218         X509 *cert;
 219
 220         ciph=SSL_get_current_cipher(c_ssl);
 221         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
 222                 prefix,
 223                 SSL_get_version(c_ssl),
 224                 SSL_CIPHER_get_version(ciph),
 225                 SSL_CIPHER_get_name(ciph));
 226         cert=SSL_get_peer_certificate(c_ssl);
 227         if (cert != NULL)
 228                 {
 229                 EVP_PKEY *pkey = X509_get_pubkey(cert);
 230                 if (pkey != NULL)
 231                         {
 232                         if (0)
 233                                 ;
 234 #ifndef OPENSSL_NO_RSA
 235                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
 236                                 && pkey->pkey.rsa->n != NULL)
 237                                 {
 238                                 BIO_printf(bio_stdout, ", %d bit RSA",
 239                                         BN_num_bits(pkey->pkey.rsa->n));
 240                                 }
 241 #endif
 242 #ifndef OPENSSL_NO_DSA
 243                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
 244                                 && pkey->pkey.dsa->p != NULL)
 245                                 {
 246                                 BIO_printf(bio_stdout, ", %d bit DSA",
 247                                         BN_num_bits(pkey->pkey.dsa->p));
 248                                 }
 249 #endif
 250                         EVP_PKEY_free(pkey);
 251                         }
 252                 X509_free(cert);
 253                 }
 254         /* The SSL API does not allow us to look at temporary RSA/DH keys,
 255          * otherwise we should print their lengths too */
 256         BIO_printf(bio_stdout,"\n");
 257         }
 258
 259 static void lock_dbg_cb(int mode, int type, const char *file, int line)
 260         {
 261         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
 262         const char *errstr = NULL;
 263         int rw;
 264
 265         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
 266         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
 267                 {
 268                 errstr = "invalid mode";
 269                 goto err;
 270                 }
 271
 272         if (type < 0 || type > CRYPTO_NUM_LOCKS)
 273                 {
 274                 errstr = "type out of bounds";
 275                 goto err;
 276                 }
 277
 278         if (mode & CRYPTO_LOCK)
 279                 {
 280                 if (modes[type])
 281                         {
 282                         errstr = "already locked";
 283                         /* must not happen in a single-threaded program
 284                          * (would deadlock) */
 285                         goto err;
 286                         }
 287
 288                 modes[type] = rw;
 289                 }
 290         else if (mode & CRYPTO_UNLOCK)
 291                 {
 292                 if (!modes[type])
 293                         {
 294                         errstr = "not locked";
 295                         goto err;
 296                         }
 297
 298                 if (modes[type] != rw)
 299                         {
 300                         errstr = (rw == CRYPTO_READ) ?
 301                                 "CRYPTO_r_unlock on write lock" :
 302                                 "CRYPTO_w_unlock on read lock";
 303                         }
 304
 305                 modes[type] = 0;
 306                 }
 307         else
 308                 {
 309                 errstr = "invalid mode";
 310                 goto err;
 311                 }
 312
 313  err:
 314         if (errstr)
 315                 {
 316                 /* we cannot use bio_err here */
 317                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
 318                         errstr, mode, type, file, line);
 319                 }
 320         }
 321
 322 int main(int argc, char *argv[])
 323         {
 324         char *CApath=NULL,*CAfile=NULL;
 325         int badop=0;
 326         int bio_pair=0;
 327         int force=0;
 328         int tls1=0,ssl2=0,ssl3=0,ret=1;
 329         int client_auth=0;
 330         int server_auth=0,i;
 331         char *server_cert=TEST_SERVER_CERT;
 332         char *server_key=NULL;
 333         char *client_cert=TEST_CLIENT_CERT;
 334         char *client_key=NULL;
 335         SSL_CTX *s_ctx=NULL;
 336         SSL_CTX *c_ctx=NULL;
 337         SSL_METHOD *meth=NULL;
 338         SSL *c_ssl,*s_ssl;
 339         int number=1,reuse=0;
 340         long bytes=1L;
 341 #ifndef OPENSSL_NO_DH
 342         DH *dh;
 343         int dhe1024 = 0, dhe1024dsa = 0;
 344 #endif
 345         int no_dhe = 0;
 346         int print_time = 0;
 347         clock_t s_time = 0, c_time = 0;
 348         int comp = 0;
 349         COMP_METHOD *cm = NULL;
 350
 351         verbose = 0;
 352         debug = 0;
 353         cipher = 0;
 354
 355         CRYPTO_set_locking_callback(lock_dbg_cb);
 356
 357         /* enable memory leak checking unless explicitly disabled */
 358         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
 359                 {
 360                 CRYPTO_malloc_debug_init();
 361                 CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
 362                 }
 363         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 364
 365         RAND_seed(rnd_seed, sizeof rnd_seed);
 366
 367         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 368         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
 369
 370         argc--;
 371         argv++;
 372
 373         while (argc >= 1)
 374                 {
 375                 if      (strcmp(*argv,"-server_auth") == 0)
 376                         server_auth=1;
 377                 else if (strcmp(*argv,"-client_auth") == 0)
 378                         client_auth=1;
 379                 else if (strcmp(*argv,"-v") == 0)
 380                         verbose=1;
 381                 else if (strcmp(*argv,"-d") == 0)
 382                         debug=1;
 383                 else if (strcmp(*argv,"-reuse") == 0)
 384                         reuse=1;
 385 #ifndef OPENSSL_NO_DH
 386                 else if (strcmp(*argv,"-dhe1024") == 0)
 387                         dhe1024=1;
 388                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
 389                         dhe1024dsa=1;
 390 #endif
 391                 else if (strcmp(*argv,"-no_dhe") == 0)
 392                         no_dhe=1;
 393                 else if (strcmp(*argv,"-ssl2") == 0)
 394                         ssl2=1;
 395                 else if (strcmp(*argv,"-tls1") == 0)
 396                         tls1=1;
 397                 else if (strcmp(*argv,"-ssl3") == 0)
 398                         ssl3=1;
 399                 else if (strncmp(*argv,"-num",4) == 0)
 400                         {
 401                         if (--argc < 1) goto bad;
 402                         number= atoi(*(++argv));
 403                         if (number == 0) number=1;
 404                         }
 405                 else if (strcmp(*argv,"-bytes") == 0)
 406                         {
 407                         if (--argc < 1) goto bad;
 408                         bytes= atol(*(++argv));
 409                         if (bytes == 0L) bytes=1L;
 410                         i=strlen(argv[0]);
 411                         if (argv[0][i-1] == 'k') bytes*=1024L;
 412                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
 413                         }
 414                 else if (strcmp(*argv,"-cert") == 0)
 415                         {
 416                         if (--argc < 1) goto bad;
 417                         server_cert= *(++argv);
 418                         }
 419                 else if (strcmp(*argv,"-s_cert") == 0)
 420                         {
 421                         if (--argc < 1) goto bad;
 422                         server_cert= *(++argv);
 423                         }
 424                 else if (strcmp(*argv,"-key") == 0)
 425                         {
 426                         if (--argc < 1) goto bad;
 427                         server_key= *(++argv);
 428                         }
 429                 else if (strcmp(*argv,"-s_key") == 0)
 430                         {
 431                         if (--argc < 1) goto bad;
 432                         server_key= *(++argv);
 433                         }
 434                 else if (strcmp(*argv,"-c_cert") == 0)
 435                         {
 436                         if (--argc < 1) goto bad;
 437                         client_cert= *(++argv);
 438                         }
 439                 else if (strcmp(*argv,"-c_key") == 0)
 440                         {
 441                         if (--argc < 1) goto bad;
 442                         client_key= *(++argv);
 443                         }
 444                 else if (strcmp(*argv,"-cipher") == 0)
 445                         {
 446                         if (--argc < 1) goto bad;
 447                         cipher= *(++argv);
 448                         }
 449                 else if (strcmp(*argv,"-CApath") == 0)
 450                         {
 451                         if (--argc < 1) goto bad;
 452                         CApath= *(++argv);
 453                         }
 454                 else if (strcmp(*argv,"-CAfile") == 0)
 455                         {
 456                         if (--argc < 1) goto bad;
 457                         CAfile= *(++argv);
 458                         }
 459                 else if (strcmp(*argv,"-bio_pair") == 0)
 460                         {
 461                         bio_pair = 1;
 462                         }
 463                 else if (strcmp(*argv,"-f") == 0)
 464                         {
 465                         force = 1;
 466                         }
 467                 else if (strcmp(*argv,"-time") == 0)
 468                         {
 469                         print_time = 1;
 470                         }
 471                 else if (strcmp(*argv,"-zlib") == 0)
 472                         {
 473                         comp = COMP_ZLIB;
 474                         }
 475                 else if (strcmp(*argv,"-rle") == 0)
 476                         {
 477                         comp = COMP_RLE;
 478                         }
 479                 else
 480                         {
 481                         fprintf(stderr,"unknown option %s\n",*argv);
 482                         badop=1;
 483                         break;
 484                         }
 485                 argc--;
 486                 argv++;
 487                 }
 488         if (badop)
 489                 {
 490 bad:
 491                 sv_usage();
 492                 goto end;
 493                 }
 494
 495         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
 496                 {
 497                 fprintf(stderr, "This case cannot work.  Use -f to perform "
 498                         "the test anyway (and\n-d to see what happens), "
 499                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
 500                         "to avoid protocol mismatch.\n");
 501                 exit(1);
 502                 }
 503
 504         if (print_time)
 505                 {
 506                 if (!bio_pair)
 507                         {
 508                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
 509                         bio_pair = 1;
 510                         }
 511                 if (number < 50 && !force)
 512                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
 513                 }
 514
 515 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
 516
 517         SSL_library_init();
 518         SSL_load_error_strings();
 519
 520         if (comp == COMP_ZLIB) cm = COMP_zlib();
 521         if (comp == COMP_RLE) cm = COMP_rle();
 522         if (cm != NULL)
 523                 {
 524                 if (cm->type != NID_undef)
 525                         SSL_COMP_add_compression_method(comp, cm);
 526                 else
 527                         {
 528                         fprintf(stderr,
 529                                 "Warning: %s compression not supported\n",
 530                                 (comp == COMP_RLE ? "rle" :
 531                                         (comp == COMP_ZLIB ? "zlib" :
 532                                                 "unknown")));
 533                         ERR_print_errors_fp(stderr);
 534                         }
 535                 }
 536
 537 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 538         if (ssl2)
 539                 meth=SSLv2_method();
 540         else
 541         if (tls1)
 542                 meth=TLSv1_method();
 543         else
 544         if (ssl3)
 545                 meth=SSLv3_method();
 546         else
 547                 meth=SSLv23_method();
 548 #else
 549 #ifdef OPENSSL_NO_SSL2
 550         meth=SSLv3_method();
 551 #else
 552         meth=SSLv2_method();
 553 #endif
 554 #endif
 555
 556         c_ctx=SSL_CTX_new(meth);
 557         s_ctx=SSL_CTX_new(meth);
 558         if ((c_ctx == NULL) || (s_ctx == NULL))
 559                 {
 560                 ERR_print_errors(bio_err);
 561                 goto end;
 562                 }
 563
 564         if (cipher != NULL)
 565                 {
 566                 SSL_CTX_set_cipher_list(c_ctx,cipher);
 567                 SSL_CTX_set_cipher_list(s_ctx,cipher);
 568                 }
 569
 570 #ifndef OPENSSL_NO_DH
 571         if (!no_dhe)
 572                 {
 573                 if (dhe1024dsa)
 574                         {
 575                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
 576                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
 577                         dh=get_dh1024dsa();
 578                         }
 579                 else if (dhe1024)
 580                         dh=get_dh1024();
 581                 else
 582                         dh=get_dh512();
 583                 SSL_CTX_set_tmp_dh(s_ctx,dh);
 584                 DH_free(dh);
 585                 }
 586 #else
 587         (void)no_dhe;
 588 #endif
 589
 590 #ifndef OPENSSL_NO_RSA
 591         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
 592 #endif
 593
 594         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
 595                 {
 596                 ERR_print_errors(bio_err);
 597                 }
 598         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
 599                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
 600                 {
 601                 ERR_print_errors(bio_err);
 602                 goto end;
 603                 }
 604
 605         if (client_auth)
 606                 {
 607                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
 608                         SSL_FILETYPE_PEM);
 609                 SSL_CTX_use_PrivateKey_file(c_ctx,
 610                         (client_key?client_key:client_cert),
 611                         SSL_FILETYPE_PEM);
 612                 }
 613
 614         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
 615                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
 616                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
 617                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
 618                 {
 619                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
 620                 ERR_print_errors(bio_err);
 621                 /* goto end; */
 622                 }
 623
 624         if (client_auth)
 625                 {
 626                 BIO_printf(bio_err,"client authentication\n");
 627                 SSL_CTX_set_verify(s_ctx,
 628                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
 629                         verify_callback);
 630                 }
 631         if (server_auth)
 632                 {
 633                 BIO_printf(bio_err,"server authentication\n");
 634                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
 635                         verify_callback);
 636                 }
 637
 638         {
 639                 int session_id_context = 0;
 640                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
 641         }
 642
 643         c_ssl=SSL_new(c_ctx);
 644         s_ssl=SSL_new(s_ctx);
 645
 646 #ifndef OPENSSL_NO_KRB5
 647         if (c_ssl  &&  c_ssl->kssl_ctx)
 648                 {
 649                 char    localhost[257];
 650
 651                 if (gethostname(localhost, 256) == 0)
 652                         {
 653                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
 654                                 localhost);
 655                         }
 656                 }
 657 #endif    /* OPENSSL_NO_KRB5  */
 658
 659         for (i=0; i<number; i++)
 660                 {
 661                 if (!reuse) SSL_set_session(c_ssl,NULL);
 662                 if (bio_pair)
 663                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
 664                 else
 665                         ret=doit(s_ssl,c_ssl,bytes);
 666                 }
 667
 668         if (!verbose)
 669                 {
 670                 print_details(c_ssl, "");
 671                 }
 672         if ((number > 1) || (bytes > 1L))
 673                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
 674         if (print_time)
 675                 {
 676 #ifdef CLOCKS_PER_SEC
 677                 /* "To determine the time in seconds, the value returned
 678                  * by the clock function should be divided by the value
 679                  * of the macro CLOCKS_PER_SEC."
 680                  *                                       -- ISO/IEC 9899 */
 681                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
 682                         "Approximate total client time: %6.2f s\n",
 683                         (double)s_time/CLOCKS_PER_SEC,
 684                         (double)c_time/CLOCKS_PER_SEC);
 685 #else
 686                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
 687                  *                            -- cc on NeXTstep/OpenStep */
 688                 BIO_printf(bio_stdout,
 689                         "Approximate total server time: %6.2f units\n"
 690                         "Approximate total client time: %6.2f units\n",
 691                         (double)s_time,
 692                         (double)c_time);
 693 #endif
 694                 }
 695
 696         SSL_free(s_ssl);
 697         SSL_free(c_ssl);
 698
 699 end:
 700         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
 701         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
 702
 703         if (bio_stdout != NULL) BIO_free(bio_stdout);
 704
 705 #ifndef OPENSSL_NO_RSA
 706         free_tmp_rsa();
 707 #endif
 708         ENGINE_cleanup();
 709         ERR_free_strings();
 710         ERR_remove_state(0);
 711         EVP_cleanup();
 712         CRYPTO_mem_leaks(bio_err);
 713         if (bio_err != NULL) BIO_free(bio_err);
 714         EXIT(ret);
 715         }
 716
 717 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
 718         clock_t *s_time, clock_t *c_time)
 719         {
 720         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
 721         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
 722         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
 723         int ret = 1;
 724
 725         size_t bufsiz = 256; /* small buffer for testing */
 726
 727         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
 728                 goto err;
 729         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
 730                 goto err;
 731
 732         s_ssl_bio = BIO_new(BIO_f_ssl());
 733         if (!s_ssl_bio)
 734                 goto err;
 735
 736         c_ssl_bio = BIO_new(BIO_f_ssl());
 737         if (!c_ssl_bio)
 738                 goto err;
 739
 740         SSL_set_connect_state(c_ssl);
 741         SSL_set_bio(c_ssl, client, client);
 742         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
 743
 744         SSL_set_accept_state(s_ssl);
 745         SSL_set_bio(s_ssl, server, server);
 746         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
 747
 748         do
 749                 {
 750                 /* c_ssl_bio:          SSL filter BIO
 751                  *
 752                  * client:             pseudo-I/O for SSL library
 753                  *
 754                  * client_io:          client's SSL communication; usually to be
 755                  *                     relayed over some I/O facility, but in this
 756                  *                     test program, we're the server, too:
 757                  *
 758                  * server_io:          server's SSL communication
 759                  *
 760                  * server:             pseudo-I/O for SSL library
 761                  *
 762                  * s_ssl_bio:          SSL filter BIO
 763                  *
 764                  * The client and the server each employ a "BIO pair":
 765                  * client + client_io, server + server_io.
 766                  * BIO pairs are symmetric.  A BIO pair behaves similar
 767                  * to a non-blocking socketpair (but both endpoints must
 768                  * be handled by the same thread).
 769                  * [Here we could connect client and server to the ends
 770                  * of a single BIO pair, but then this code would be less
 771                  * suitable as an example for BIO pairs in general.]
 772                  *
 773                  * Useful functions for querying the state of BIO pair endpoints:
 774                  *
 775                  * BIO_ctrl_pending(bio)              number of bytes we can read now
 776                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
 777                  *                                      other side's read attempt
 778                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
 779                  *
 780                  * ..._read_request is never more than ..._write_guarantee;
 781                  * it depends on the application which one you should use.
 782                  */
 783
 784                 /* We have non-blocking behaviour throughout this test program, but
 785                  * can be sure that there is *some* progress in each iteration; so
 786                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
 787                  * -- we just try everything in each iteration
 788                  */
 789
 790                         {
 791                         /* CLIENT */
 792
 793                         MS_STATIC char cbuf[1024*8];
 794                         int i, r;
 795                         clock_t c_clock = clock();
 796
 797                         if (debug)
 798                                 if (SSL_in_init(c_ssl))
 799                                         printf("client waiting in SSL_connect - %s\n",
 800                                                 SSL_state_string_long(c_ssl));
 801
 802                         if (cw_num > 0)
 803                                 {
 804                                 /* Write to server. */
 805
 806                                 if (cw_num > (long)sizeof cbuf)
 807                                         i = sizeof cbuf;
 808                                 else
 809                                         i = (int)cw_num;
 810                                 r = BIO_write(c_ssl_bio, cbuf, i);
 811                                 if (r < 0)
 812                                         {
 813                                         if (!BIO_should_retry(c_ssl_bio))
 814                                                 {
 815                                                 fprintf(stderr,"ERROR in CLIENT\n");
 816                                                 goto err;
 817                                                 }
 818                                         /* BIO_should_retry(...) can just be ignored here.
 819                                          * The library expects us to call BIO_write with
 820                                          * the same arguments again, and that's what we will
 821                                          * do in the next iteration. */
 822                                         }
 823                                 else if (r == 0)
 824                                         {
 825                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 826                                         goto err;
 827                                         }
 828                                 else
 829                                         {
 830                                         if (debug)
 831                                                 printf("client wrote %d\n", r);
 832                                         cw_num -= r;
 833                                         }
 834                                 }
 835
 836                         if (cr_num > 0)
 837                                 {
 838                                 /* Read from server. */
 839
 840                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
 841                                 if (r < 0)
 842                                         {
 843                                         if (!BIO_should_retry(c_ssl_bio))
 844                                                 {
 845                                                 fprintf(stderr,"ERROR in CLIENT\n");
 846                                                 goto err;
 847                                                 }
 848                                         /* Again, "BIO_should_retry" can be ignored. */
 849                                         }
 850                                 else if (r == 0)
 851                                         {
 852                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 853                                         goto err;
 854                                         }
 855                                 else
 856                                         {
 857                                         if (debug)
 858                                                 printf("client read %d\n", r);
 859                                         cr_num -= r;
 860                                         }
 861                                 }
 862
 863                         /* c_time and s_time increments will typically be very small
 864                          * (depending on machine speed and clock tick intervals),
 865                          * but sampling over a large number of connections should
 866                          * result in fairly accurate figures.  We cannot guarantee
 867                          * a lot, however -- if each connection lasts for exactly
 868                          * one clock tick, it will be counted only for the client
 869                          * or only for the server or even not at all.
 870                          */
 871                         *c_time += (clock() - c_clock);
 872                         }
 873
 874                         {
 875                         /* SERVER */
 876
 877                         MS_STATIC char sbuf[1024*8];
 878                         int i, r;
 879                         clock_t s_clock = clock();
 880
 881                         if (debug)
 882                                 if (SSL_in_init(s_ssl))
 883                                         printf("server waiting in SSL_accept - %s\n",
 884                                                 SSL_state_string_long(s_ssl));
 885
 886                         if (sw_num > 0)
 887                                 {
 888                                 /* Write to client. */
 889
 890                                 if (sw_num > (long)sizeof sbuf)
 891                                         i = sizeof sbuf;
 892                                 else
 893                                         i = (int)sw_num;
 894                                 r = BIO_write(s_ssl_bio, sbuf, i);
 895                                 if (r < 0)
 896                                         {
 897                                         if (!BIO_should_retry(s_ssl_bio))
 898                                                 {
 899                                                 fprintf(stderr,"ERROR in SERVER\n");
 900                                                 goto err;
 901                                                 }
 902                                         /* Ignore "BIO_should_retry". */
 903                                         }
 904                                 else if (r == 0)
 905                                         {
 906                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
 907                                         goto err;
 908                                         }
 909                                 else
 910                                         {
 911                                         if (debug)
 912                                                 printf("server wrote %d\n", r);
 913                                         sw_num -= r;
 914                                         }
 915                                 }
 916
 917                         if (sr_num > 0)
 918                                 {
 919                                 /* Read from client. */
 920
 921                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
 922                                 if (r < 0)
 923                                         {
 924                                         if (!BIO_should_retry(s_ssl_bio))
 925                                                 {
 926                                                 fprintf(stderr,"ERROR in SERVER\n");
 927                                                 goto err;
 928                                                 }
 929                                         /* blah, blah */
 930                                         }
 931                                 else if (r == 0)
 932                                         {
 933                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
 934                                         goto err;
 935                                         }
 936                                 else
 937                                         {
 938                                         if (debug)
 939                                                 printf("server read %d\n", r);
 940                                         sr_num -= r;
 941                                         }
 942                                 }
 943
 944                         *s_time += (clock() - s_clock);
 945                         }
 946
 947                         {
 948                         /* "I/O" BETWEEN CLIENT AND SERVER. */
 949
 950                         size_t r1, r2;
 951                         BIO *io1 = server_io, *io2 = client_io;
 952                         /* we use the non-copying interface for io1
 953                          * and the standard BIO_write/BIO_read interface for io2
 954                          */
 955
 956                         static int prev_progress = 1;
 957                         int progress = 0;
 958
 959                         /* io1 to io2 */
 960                         do
 961                                 {
 962                                 size_t num;
 963                                 int r;
 964
 965                                 r1 = BIO_ctrl_pending(io1);
 966                                 r2 = BIO_ctrl_get_write_guarantee(io2);
 967
 968                                 num = r1;
 969                                 if (r2 < num)
 970                                         num = r2;
 971                                 if (num)
 972                                         {
 973                                         char *dataptr;
 974
 975                                         if (INT_MAX < num) /* yeah, right */
 976                                                 num = INT_MAX;
 977
 978                                         r = BIO_nread(io1, &dataptr, (int)num);
 979                                         assert(r > 0);
 980                                         assert(r <= (int)num);
 981                                         /* possibly r < num (non-contiguous data) */
 982                                         num = r;
 983                                         r = BIO_write(io2, dataptr, (int)num);
 984                                         if (r != (int)num) /* can't happen */
 985                                                 {
 986                                                 fprintf(stderr, "ERROR: BIO_write could not write "
 987                                                         "BIO_ctrl_get_write_guarantee() bytes");
 988                                                 goto err;
 989                                                 }
 990                                         progress = 1;
 991
 992                                         if (debug)
 993                                                 printf((io1 == client_io) ?
 994                                                         "C->S relaying: %d bytes\n" :
 995                                                         "S->C relaying: %d bytes\n",
 996                                                         (int)num);
 997                                         }
 998                                 }
 999                         while (r1 && r2);
1000
1001                         /* io2 to io1 */
1002                         {
1003                                 size_t num;
1004                                 int r;
1005
1006                                 r1 = BIO_ctrl_pending(io2);
1007                                 r2 = BIO_ctrl_get_read_request(io1);
1008                                 /* here we could use ..._get_write_guarantee instead of
1009                                  * ..._get_read_request, but by using the latter
1010                                  * we test restartability of the SSL implementation
1011                                  * more thoroughly */
1012                                 num = r1;
1013                                 if (r2 < num)
1014                                         num = r2;
1015                                 if (num)
1016                                         {
1017                                         char *dataptr;
1018
1019                                         if (INT_MAX < num)
1020                                                 num = INT_MAX;
1021
1022                                         if (num > 1)
1023                                                 --num; /* test restartability even more thoroughly */
1024
1025                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1026                                         assert(r > 0);
1027                                         assert(r <= (int)num);
1028                                         num = r;
1029                                         r = BIO_read(io2, dataptr, (int)num);
1030                                         if (r != (int)num) /* can't happen */
1031                                                 {
1032                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1033                                                         "BIO_ctrl_pending() bytes");
1034                                                 goto err;
1035                                                 }
1036                                         progress = 1;
1037
1038                                         if (debug)
1039                                                 printf((io2 == client_io) ?
1040                                                         "C->S relaying: %d bytes\n" :
1041                                                         "S->C relaying: %d bytes\n",
1042                                                         (int)num);
1043                                         }
1044                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1045
1046                         if (!progress && !prev_progress)
1047                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1048                                         {
1049                                         fprintf(stderr, "ERROR: got stuck\n");
1050                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1051                                                 {
1052                                                 fprintf(stderr, "This can happen for SSL2 because "
1053                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1054                                                         "concurrently ...");
1055                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1056                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1057                                                         {
1058                                                         fprintf(stderr, " ok.\n");
1059                                                         goto end;
1060                                                         }
1061                                                 }
1062                                         fprintf(stderr, " ERROR.\n");
1063                                         goto err;
1064                                         }
1065                         prev_progress = progress;
1066                         }
1067                 }
1068         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1069
1070         if (verbose)
1071                 print_details(c_ssl, "DONE via BIO pair: ");
1072 end:
1073         ret = 0;
1074
1075  err:
1076         ERR_print_errors(bio_err);
1077
1078         if (server)
1079                 BIO_free(server);
1080         if (server_io)
1081                 BIO_free(server_io);
1082         if (client)
1083                 BIO_free(client);
1084         if (client_io)
1085                 BIO_free(client_io);
1086         if (s_ssl_bio)
1087                 BIO_free(s_ssl_bio);
1088         if (c_ssl_bio)
1089                 BIO_free(c_ssl_bio);
1090
1091         return ret;
1092         }
1093
1094
1095 #define W_READ  1
1096 #define W_WRITE 2
1097 #define C_DONE  1
1098 #define S_DONE  2
1099
1100 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1101         {
1102         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1103         long cw_num=count,cr_num=count;
1104         long sw_num=count,sr_num=count;
1105         int ret=1;
1106         BIO *c_to_s=NULL;
1107         BIO *s_to_c=NULL;
1108         BIO *c_bio=NULL;
1109         BIO *s_bio=NULL;
1110         int c_r,c_w,s_r,s_w;
1111         int c_want,s_want;
1112         int i,j;
1113         int done=0;
1114         int c_write,s_write;
1115         int do_server=0,do_client=0;
1116
1117         c_to_s=BIO_new(BIO_s_mem());
1118         s_to_c=BIO_new(BIO_s_mem());
1119         if ((s_to_c == NULL) || (c_to_s == NULL))
1120                 {
1121                 ERR_print_errors(bio_err);
1122                 goto err;
1123                 }
1124
1125         c_bio=BIO_new(BIO_f_ssl());
1126         s_bio=BIO_new(BIO_f_ssl());
1127         if ((c_bio == NULL) || (s_bio == NULL))
1128                 {
1129                 ERR_print_errors(bio_err);
1130                 goto err;
1131                 }
1132
1133         SSL_set_connect_state(c_ssl);
1134         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1135         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1136
1137         SSL_set_accept_state(s_ssl);
1138         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1139         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1140
1141         c_r=0; s_r=1;
1142         c_w=1; s_w=0;
1143         c_want=W_WRITE;
1144         s_want=0;
1145         c_write=1,s_write=0;
1146
1147         /* We can always do writes */
1148         for (;;)
1149                 {
1150                 do_server=0;
1151                 do_client=0;
1152
1153                 i=(int)BIO_pending(s_bio);
1154                 if ((i && s_r) || s_w) do_server=1;
1155
1156                 i=(int)BIO_pending(c_bio);
1157                 if ((i && c_r) || c_w) do_client=1;
1158
1159                 if (do_server && debug)
1160                         {
1161                         if (SSL_in_init(s_ssl))
1162                                 printf("server waiting in SSL_accept - %s\n",
1163                                         SSL_state_string_long(s_ssl));
1164 /*                      else if (s_write)
1165                                 printf("server:SSL_write()\n");
1166                         else
1167                                 printf("server:SSL_read()\n"); */
1168                         }
1169
1170                 if (do_client && debug)
1171                         {
1172                         if (SSL_in_init(c_ssl))
1173                                 printf("client waiting in SSL_connect - %s\n",
1174                                         SSL_state_string_long(c_ssl));
1175 /*                      else if (c_write)
1176                                 printf("client:SSL_write()\n");
1177                         else
1178                                 printf("client:SSL_read()\n"); */
1179                         }
1180
1181                 if (!do_client && !do_server)
1182                         {
1183                         fprintf(stdout,"ERROR IN STARTUP\n");
1184                         ERR_print_errors(bio_err);
1185                         break;
1186                         }
1187                 if (do_client && !(done & C_DONE))
1188                         {
1189                         if (c_write)
1190                                 {
1191                                 j=(cw_num > (long)sizeof(cbuf))
1192                                         ?sizeof(cbuf):(int)cw_num;
1193                                 i=BIO_write(c_bio,cbuf,j);
1194                                 if (i < 0)
1195                                         {
1196                                         c_r=0;
1197                                         c_w=0;
1198                                         if (BIO_should_retry(c_bio))
1199                                                 {
1200                                                 if (BIO_should_read(c_bio))
1201                                                         c_r=1;
1202                                                 if (BIO_should_write(c_bio))
1203                                                         c_w=1;
1204                                                 }
1205                                         else
1206                                                 {
1207                                                 fprintf(stderr,"ERROR in CLIENT\n");
1208                                                 ERR_print_errors(bio_err);
1209                                                 goto err;
1210                                                 }
1211                                         }
1212                                 else if (i == 0)
1213                                         {
1214                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1215                                         goto err;
1216                                         }
1217                                 else
1218                                         {
1219                                         if (debug)
1220                                                 printf("client wrote %d\n",i);
1221                                         /* ok */
1222                                         s_r=1;
1223                                         c_write=0;
1224                                         cw_num-=i;
1225                                         }
1226                                 }
1227                         else
1228                                 {
1229                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1230                                 if (i < 0)
1231                                         {
1232                                         c_r=0;
1233                                         c_w=0;
1234                                         if (BIO_should_retry(c_bio))
1235                                                 {
1236                                                 if (BIO_should_read(c_bio))
1237                                                         c_r=1;
1238                                                 if (BIO_should_write(c_bio))
1239                                                         c_w=1;
1240                                                 }
1241                                         else
1242                                                 {
1243                                                 fprintf(stderr,"ERROR in CLIENT\n");
1244                                                 ERR_print_errors(bio_err);
1245                                                 goto err;
1246                                                 }
1247                                         }
1248                                 else if (i == 0)
1249                                         {
1250                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1251                                         goto err;
1252                                         }
1253                                 else
1254                                         {
1255                                         if (debug)
1256                                                 printf("client read %d\n",i);
1257                                         cr_num-=i;
1258                                         if (sw_num > 0)
1259                                                 {
1260                                                 s_write=1;
1261                                                 s_w=1;
1262                                                 }
1263                                         if (cr_num <= 0)
1264                                                 {
1265                                                 s_write=1;
1266                                                 s_w=1;
1267                                                 done=S_DONE|C_DONE;
1268                                                 }
1269                                         }
1270                                 }
1271                         }
1272
1273                 if (do_server && !(done & S_DONE))
1274                         {
1275                         if (!s_write)
1276                                 {
1277                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1278                                 if (i < 0)
1279                                         {
1280                                         s_r=0;
1281                                         s_w=0;
1282                                         if (BIO_should_retry(s_bio))
1283                                                 {
1284                                                 if (BIO_should_read(s_bio))
1285                                                         s_r=1;
1286                                                 if (BIO_should_write(s_bio))
1287                                                         s_w=1;
1288                                                 }
1289                                         else
1290                                                 {
1291                                                 fprintf(stderr,"ERROR in SERVER\n");
1292                                                 ERR_print_errors(bio_err);
1293                                                 goto err;
1294                                                 }
1295                                         }
1296                                 else if (i == 0)
1297                                         {
1298                                         ERR_print_errors(bio_err);
1299                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1300                                         goto err;
1301                                         }
1302                                 else
1303                                         {
1304                                         if (debug)
1305                                                 printf("server read %d\n",i);
1306                                         sr_num-=i;
1307                                         if (cw_num > 0)
1308                                                 {
1309                                                 c_write=1;
1310                                                 c_w=1;
1311                                                 }
1312                                         if (sr_num <= 0)
1313                                                 {
1314                                                 s_write=1;
1315                                                 s_w=1;
1316                                                 c_write=0;
1317                                                 }
1318                                         }
1319                                 }
1320                         else
1321                                 {
1322                                 j=(sw_num > (long)sizeof(sbuf))?
1323                                         sizeof(sbuf):(int)sw_num;
1324                                 i=BIO_write(s_bio,sbuf,j);
1325                                 if (i < 0)
1326                                         {
1327                                         s_r=0;
1328                                         s_w=0;
1329                                         if (BIO_should_retry(s_bio))
1330                                                 {
1331                                                 if (BIO_should_read(s_bio))
1332                                                         s_r=1;
1333                                                 if (BIO_should_write(s_bio))
1334                                                         s_w=1;
1335                                                 }
1336                                         else
1337                                                 {
1338                                                 fprintf(stderr,"ERROR in SERVER\n");
1339                                                 ERR_print_errors(bio_err);
1340                                                 goto err;
1341                                                 }
1342                                         }
1343                                 else if (i == 0)
1344                                         {
1345                                         ERR_print_errors(bio_err);
1346                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1347                                         goto err;
1348                                         }
1349                                 else
1350                                         {
1351                                         if (debug)
1352                                                 printf("server wrote %d\n",i);
1353                                         sw_num-=i;
1354                                         s_write=0;
1355                                         c_r=1;
1356                                         if (sw_num <= 0)
1357                                                 done|=S_DONE;
1358                                         }
1359                                 }
1360                         }
1361
1362                 if ((done & S_DONE) && (done & C_DONE)) break;
1363                 }
1364
1365         if (verbose)
1366                 print_details(c_ssl, "DONE: ");
1367         ret=0;
1368 err:
1369         /* We have to set the BIO's to NULL otherwise they will be
1370          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1371          * again when c_ssl is SSL_free()ed.
1372          * This is a hack required because s_ssl and c_ssl are sharing the same
1373          * BIO structure and SSL_set_bio() and SSL_free() automatically
1374          * BIO_free non NULL entries.
1375          * You should not normally do this or be required to do this */
1376         if (s_ssl != NULL)
1377                 {
1378                 s_ssl->rbio=NULL;
1379                 s_ssl->wbio=NULL;
1380                 }
1381         if (c_ssl != NULL)
1382                 {
1383                 c_ssl->rbio=NULL;
1384                 c_ssl->wbio=NULL;
1385                 }
1386
1387         if (c_to_s != NULL) BIO_free(c_to_s);
1388         if (s_to_c != NULL) BIO_free(s_to_c);
1389         if (c_bio != NULL) BIO_free_all(c_bio);
1390         if (s_bio != NULL) BIO_free_all(s_bio);
1391         return(ret);
1392         }
1393
1394 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1395         {
1396         char *s,buf[256];
1397
1398         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,256);
1399         if (s != NULL)
1400                 {
1401                 if (ok)
1402                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1403                 else
1404                         fprintf(stderr,"depth=%d error=%d %s\n",
1405                                 ctx->error_depth,ctx->error,buf);
1406                 }
1407
1408         if (ok == 0)
1409                 {
1410                 switch (ctx->error)
1411                         {
1412                 case X509_V_ERR_CERT_NOT_YET_VALID:
1413                 case X509_V_ERR_CERT_HAS_EXPIRED:
1414                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1415                         ok=1;
1416                         }
1417                 }
1418
1419         return(ok);
1420         }
1421
1422 #ifndef OPENSSL_NO_RSA
1423 static RSA *rsa_tmp=NULL;
1424
1425 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1426         {
1427         if (rsa_tmp == NULL)
1428                 {
1429                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1430                 (void)BIO_flush(bio_err);
1431                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1432                 BIO_printf(bio_err,"\n");
1433                 (void)BIO_flush(bio_err);
1434                 }
1435         return(rsa_tmp);
1436         }
1437
1438 static void free_tmp_rsa(void)
1439         {
1440         if (rsa_tmp != NULL)
1441                 {
1442                 RSA_free(rsa_tmp);
1443                 rsa_tmp = NULL;
1444                 }
1445         }
1446 #endif
1447
1448 #ifndef OPENSSL_NO_DH
1449 /* These DH parameters have been generated as follows:
1450  *    $ openssl dhparam -C -noout 512
1451  *    $ openssl dhparam -C -noout 1024
1452  *    $ openssl dhparam -C -noout -dsaparam 1024
1453  * (The third function has been renamed to avoid name conflicts.)
1454  */
1455 static DH *get_dh512()
1456         {
1457         static unsigned char dh512_p[]={
1458                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1459                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1460                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1461                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1462                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1463                 0x02,0xC5,0xAE,0x23,
1464                 };
1465         static unsigned char dh512_g[]={
1466                 0x02,
1467                 };
1468         DH *dh;
1469
1470         if ((dh=DH_new()) == NULL) return(NULL);
1471         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1472         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1473         if ((dh->p == NULL) || (dh->g == NULL))
1474                 { DH_free(dh); return(NULL); }
1475         return(dh);
1476         }
1477
1478 static DH *get_dh1024()
1479         {
1480         static unsigned char dh1024_p[]={
1481                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1482                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1483                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1484                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1485                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1486                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1487                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1488                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1489                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1490                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1491                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1492                 };
1493         static unsigned char dh1024_g[]={
1494                 0x02,
1495                 };
1496         DH *dh;
1497
1498         if ((dh=DH_new()) == NULL) return(NULL);
1499         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1500         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1501         if ((dh->p == NULL) || (dh->g == NULL))
1502                 { DH_free(dh); return(NULL); }
1503         return(dh);
1504         }
1505
1506 static DH *get_dh1024dsa()
1507         {
1508         static unsigned char dh1024_p[]={
1509                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1510                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1511                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1512                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1513                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1514                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1515                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1516                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1517                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1518                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1519                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1520                 };
1521         static unsigned char dh1024_g[]={
1522                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1523                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1524                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1525                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1526                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1527                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1528                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1529                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1530                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1531                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1532                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1533                 };
1534         DH *dh;
1535
1536         if ((dh=DH_new()) == NULL) return(NULL);
1537         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1538         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1539         if ((dh->p == NULL) || (dh->g == NULL))
1540                 { DH_free(dh); return(NULL); }
1541         dh->length = 160;
1542         return(dh);
1543         }
1544 #endif