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 #define _XOPEN_SOURCE 600       /* Or gethostname won't be declared properly
 113                                    on Linux and GNU platforms. */
 114 #define _XOPEN_SOURCE_EXTENDED  /* Or gethostname won't be declared properly
 115                                    on Compaq platforms (at least with DEC C).
 116                                 */
 117
 118 #include <assert.h>
 119 #include <errno.h>
 120 #include <limits.h>
 121 #include <stdio.h>
 122 #include <stdlib.h>
 123 #include <string.h>
 124 #include <time.h>
 125
 126 #include "e_os.h"
 127
 128 #include <openssl/bio.h>
 129 #include <openssl/crypto.h>
 130 #include <openssl/evp.h>
 131 #include <openssl/x509.h>
 132 #include <openssl/ssl.h>
 133 #include <openssl/engine.h>
 134 #include <openssl/err.h>
 135 #include <openssl/rand.h>
 136 #ifdef OPENSSL_SYS_WINDOWS
 137 #include <winsock.h>
 138 #include "../crypto/bio/bss_file.c"
 139 #else
 140 #include OPENSSL_UNISTD
 141 #endif
 142
 143 #ifdef OPENSSL_SYS_VMS
 144 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
 145 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
 146 #else
 147 #  define TEST_SERVER_CERT "../apps/server.pem"
 148 #  define TEST_CLIENT_CERT "../apps/client.pem"
 149 #endif
 150
 151 /* There is really no standard for this, so let's assign some tentative
 152    numbers.  In any case, these numbers are only for this test */
 153 #define COMP_RLE        1
 154 #define COMP_ZLIB       2
 155
 156 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
 157 #ifndef OPENSSL_NO_RSA
 158 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
 159 static void free_tmp_rsa(void);
 160 #endif
 161 #ifndef OPENSSL_NO_DH
 162 static DH *get_dh512(void);
 163 static DH *get_dh1024(void);
 164 static DH *get_dh1024dsa(void);
 165 #endif
 166
 167 static BIO *bio_err=NULL;
 168 static BIO *bio_stdout=NULL;
 169
 170 static char *cipher=NULL;
 171 static int verbose=0;
 172 static int debug=0;
 173 #if 0
 174 /* Not used yet. */
 175 #ifdef FIONBIO
 176 static int s_nbio=0;
 177 #endif
 178 #endif
 179
 180 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
 181
 182 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
 183 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
 184 static void sv_usage(void)
 185         {
 186         fprintf(stderr,"usage: ssltest [args ...]\n");
 187         fprintf(stderr,"\n");
 188         fprintf(stderr," -server_auth  - check server certificate\n");
 189         fprintf(stderr," -client_auth  - do client authentication\n");
 190         fprintf(stderr," -v            - more output\n");
 191         fprintf(stderr," -d            - debug output\n");
 192         fprintf(stderr," -reuse        - use session-id reuse\n");
 193         fprintf(stderr," -num <val>    - number of connections to perform\n");
 194         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
 195 #ifndef OPENSSL_NO_DH
 196         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
 197         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
 198         fprintf(stderr," -no_dhe       - disable DHE\n");
 199 #endif
 200 #ifndef OPENSSL_NO_SSL2
 201         fprintf(stderr," -ssl2         - use SSLv2\n");
 202 #endif
 203 #ifndef OPENSSL_NO_SSL3
 204         fprintf(stderr," -ssl3         - use SSLv3\n");
 205 #endif
 206 #ifndef OPENSSL_NO_TLS1
 207         fprintf(stderr," -tls1         - use TLSv1\n");
 208 #endif
 209         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
 210         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
 211         fprintf(stderr," -cert arg     - Server certificate file\n");
 212         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
 213         fprintf(stderr," -c_cert arg   - Client certificate file\n");
 214         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
 215         fprintf(stderr," -cipher arg   - The cipher list\n");
 216         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
 217         fprintf(stderr," -f            - Test even cases that can't work\n");
 218         fprintf(stderr," -time         - measure processor time used by client and server\n");
 219         fprintf(stderr," -zlib         - use zlib compression\n");
 220         fprintf(stderr," -time         - use rle compression\n");
 221         }
 222
 223 static void print_details(SSL *c_ssl, const char *prefix)
 224         {
 225         SSL_CIPHER *ciph;
 226         X509 *cert;
 227
 228         ciph=SSL_get_current_cipher(c_ssl);
 229         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
 230                 prefix,
 231                 SSL_get_version(c_ssl),
 232                 SSL_CIPHER_get_version(ciph),
 233                 SSL_CIPHER_get_name(ciph));
 234         cert=SSL_get_peer_certificate(c_ssl);
 235         if (cert != NULL)
 236                 {
 237                 EVP_PKEY *pkey = X509_get_pubkey(cert);
 238                 if (pkey != NULL)
 239                         {
 240                         if (0)
 241                                 ;
 242 #ifndef OPENSSL_NO_RSA
 243                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
 244                                 && pkey->pkey.rsa->n != NULL)
 245                                 {
 246                                 BIO_printf(bio_stdout, ", %d bit RSA",
 247                                         BN_num_bits(pkey->pkey.rsa->n));
 248                                 }
 249 #endif
 250 #ifndef OPENSSL_NO_DSA
 251                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
 252                                 && pkey->pkey.dsa->p != NULL)
 253                                 {
 254                                 BIO_printf(bio_stdout, ", %d bit DSA",
 255                                         BN_num_bits(pkey->pkey.dsa->p));
 256                                 }
 257 #endif
 258                         EVP_PKEY_free(pkey);
 259                         }
 260                 X509_free(cert);
 261                 }
 262         /* The SSL API does not allow us to look at temporary RSA/DH keys,
 263          * otherwise we should print their lengths too */
 264         BIO_printf(bio_stdout,"\n");
 265         }
 266
 267 static void lock_dbg_cb(int mode, int type, const char *file, int line)
 268         {
 269         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
 270         const char *errstr = NULL;
 271         int rw;
 272
 273         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
 274         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
 275                 {
 276                 errstr = "invalid mode";
 277                 goto err;
 278                 }
 279
 280         if (type < 0 || type > CRYPTO_NUM_LOCKS)
 281                 {
 282                 errstr = "type out of bounds";
 283                 goto err;
 284                 }
 285
 286         if (mode & CRYPTO_LOCK)
 287                 {
 288                 if (modes[type])
 289                         {
 290                         errstr = "already locked";
 291                         /* must not happen in a single-threaded program
 292                          * (would deadlock) */
 293                         goto err;
 294                         }
 295
 296                 modes[type] = rw;
 297                 }
 298         else if (mode & CRYPTO_UNLOCK)
 299                 {
 300                 if (!modes[type])
 301                         {
 302                         errstr = "not locked";
 303                         goto err;
 304                         }
 305
 306                 if (modes[type] != rw)
 307                         {
 308                         errstr = (rw == CRYPTO_READ) ?
 309                                 "CRYPTO_r_unlock on write lock" :
 310                                 "CRYPTO_w_unlock on read lock";
 311                         }
 312
 313                 modes[type] = 0;
 314                 }
 315         else
 316                 {
 317                 errstr = "invalid mode";
 318                 goto err;
 319                 }
 320
 321  err:
 322         if (errstr)
 323                 {
 324                 /* we cannot use bio_err here */
 325                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
 326                         errstr, mode, type, file, line);
 327                 }
 328         }
 329
 330 int main(int argc, char *argv[])
 331         {
 332         char *CApath=NULL,*CAfile=NULL;
 333         int badop=0;
 334         int bio_pair=0;
 335         int force=0;
 336         int tls1=0,ssl2=0,ssl3=0,ret=1;
 337         int client_auth=0;
 338         int server_auth=0,i;
 339         char *server_cert=TEST_SERVER_CERT;
 340         char *server_key=NULL;
 341         char *client_cert=TEST_CLIENT_CERT;
 342         char *client_key=NULL;
 343         SSL_CTX *s_ctx=NULL;
 344         SSL_CTX *c_ctx=NULL;
 345         SSL_METHOD *meth=NULL;
 346         SSL *c_ssl,*s_ssl;
 347         int number=1,reuse=0;
 348         long bytes=1L;
 349 #ifndef OPENSSL_NO_DH
 350         DH *dh;
 351         int dhe1024 = 0, dhe1024dsa = 0;
 352 #endif
 353         int no_dhe = 0;
 354         int print_time = 0;
 355         clock_t s_time = 0, c_time = 0;
 356         int comp = 0;
 357         COMP_METHOD *cm = NULL;
 358
 359         verbose = 0;
 360         debug = 0;
 361         cipher = 0;
 362
 363         CRYPTO_set_locking_callback(lock_dbg_cb);
 364
 365         /* enable memory leak checking unless explicitly disabled */
 366         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
 367                 {
 368                 CRYPTO_malloc_debug_init();
 369                 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
 370                 }
 371         else
 372                 {
 373                 /* OPENSSL_DEBUG_MEMORY=off */
 374                 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
 375                 }
 376         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 377
 378         RAND_seed(rnd_seed, sizeof rnd_seed);
 379
 380         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 381         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
 382
 383         argc--;
 384         argv++;
 385
 386         while (argc >= 1)
 387                 {
 388                 if      (strcmp(*argv,"-server_auth") == 0)
 389                         server_auth=1;
 390                 else if (strcmp(*argv,"-client_auth") == 0)
 391                         client_auth=1;
 392                 else if (strcmp(*argv,"-v") == 0)
 393                         verbose=1;
 394                 else if (strcmp(*argv,"-d") == 0)
 395                         debug=1;
 396                 else if (strcmp(*argv,"-reuse") == 0)
 397                         reuse=1;
 398 #ifndef OPENSSL_NO_DH
 399                 else if (strcmp(*argv,"-dhe1024") == 0)
 400                         dhe1024=1;
 401                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
 402                         dhe1024dsa=1;
 403 #endif
 404                 else if (strcmp(*argv,"-no_dhe") == 0)
 405                         no_dhe=1;
 406                 else if (strcmp(*argv,"-ssl2") == 0)
 407                         ssl2=1;
 408                 else if (strcmp(*argv,"-tls1") == 0)
 409                         tls1=1;
 410                 else if (strcmp(*argv,"-ssl3") == 0)
 411                         ssl3=1;
 412                 else if (strncmp(*argv,"-num",4) == 0)
 413                         {
 414                         if (--argc < 1) goto bad;
 415                         number= atoi(*(++argv));
 416                         if (number == 0) number=1;
 417                         }
 418                 else if (strcmp(*argv,"-bytes") == 0)
 419                         {
 420                         if (--argc < 1) goto bad;
 421                         bytes= atol(*(++argv));
 422                         if (bytes == 0L) bytes=1L;
 423                         i=strlen(argv[0]);
 424                         if (argv[0][i-1] == 'k') bytes*=1024L;
 425                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
 426                         }
 427                 else if (strcmp(*argv,"-cert") == 0)
 428                         {
 429                         if (--argc < 1) goto bad;
 430                         server_cert= *(++argv);
 431                         }
 432                 else if (strcmp(*argv,"-s_cert") == 0)
 433                         {
 434                         if (--argc < 1) goto bad;
 435                         server_cert= *(++argv);
 436                         }
 437                 else if (strcmp(*argv,"-key") == 0)
 438                         {
 439                         if (--argc < 1) goto bad;
 440                         server_key= *(++argv);
 441                         }
 442                 else if (strcmp(*argv,"-s_key") == 0)
 443                         {
 444                         if (--argc < 1) goto bad;
 445                         server_key= *(++argv);
 446                         }
 447                 else if (strcmp(*argv,"-c_cert") == 0)
 448                         {
 449                         if (--argc < 1) goto bad;
 450                         client_cert= *(++argv);
 451                         }
 452                 else if (strcmp(*argv,"-c_key") == 0)
 453                         {
 454                         if (--argc < 1) goto bad;
 455                         client_key= *(++argv);
 456                         }
 457                 else if (strcmp(*argv,"-cipher") == 0)
 458                         {
 459                         if (--argc < 1) goto bad;
 460                         cipher= *(++argv);
 461                         }
 462                 else if (strcmp(*argv,"-CApath") == 0)
 463                         {
 464                         if (--argc < 1) goto bad;
 465                         CApath= *(++argv);
 466                         }
 467                 else if (strcmp(*argv,"-CAfile") == 0)
 468                         {
 469                         if (--argc < 1) goto bad;
 470                         CAfile= *(++argv);
 471                         }
 472                 else if (strcmp(*argv,"-bio_pair") == 0)
 473                         {
 474                         bio_pair = 1;
 475                         }
 476                 else if (strcmp(*argv,"-f") == 0)
 477                         {
 478                         force = 1;
 479                         }
 480                 else if (strcmp(*argv,"-time") == 0)
 481                         {
 482                         print_time = 1;
 483                         }
 484                 else if (strcmp(*argv,"-zlib") == 0)
 485                         {
 486                         comp = COMP_ZLIB;
 487                         }
 488                 else if (strcmp(*argv,"-rle") == 0)
 489                         {
 490                         comp = COMP_RLE;
 491                         }
 492                 else
 493                         {
 494                         fprintf(stderr,"unknown option %s\n",*argv);
 495                         badop=1;
 496                         break;
 497                         }
 498                 argc--;
 499                 argv++;
 500                 }
 501         if (badop)
 502                 {
 503 bad:
 504                 sv_usage();
 505                 goto end;
 506                 }
 507
 508         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
 509                 {
 510                 fprintf(stderr, "This case cannot work.  Use -f to perform "
 511                         "the test anyway (and\n-d to see what happens), "
 512                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
 513                         "to avoid protocol mismatch.\n");
 514                 exit(1);
 515                 }
 516
 517         if (print_time)
 518                 {
 519                 if (!bio_pair)
 520                         {
 521                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
 522                         bio_pair = 1;
 523                         }
 524                 if (number < 50 && !force)
 525                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
 526                 }
 527
 528 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
 529
 530         SSL_library_init();
 531         SSL_load_error_strings();
 532
 533         if (comp == COMP_ZLIB) cm = COMP_zlib();
 534         if (comp == COMP_RLE) cm = COMP_rle();
 535         if (cm != NULL)
 536                 {
 537                 if (cm->type != NID_undef)
 538                         SSL_COMP_add_compression_method(comp, cm);
 539                 else
 540                         {
 541                         fprintf(stderr,
 542                                 "Warning: %s compression not supported\n",
 543                                 (comp == COMP_RLE ? "rle" :
 544                                         (comp == COMP_ZLIB ? "zlib" :
 545                                                 "unknown")));
 546                         ERR_print_errors_fp(stderr);
 547                         }
 548                 }
 549
 550 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 551         if (ssl2)
 552                 meth=SSLv2_method();
 553         else
 554         if (tls1)
 555                 meth=TLSv1_method();
 556         else
 557         if (ssl3)
 558                 meth=SSLv3_method();
 559         else
 560                 meth=SSLv23_method();
 561 #else
 562 #ifdef OPENSSL_NO_SSL2
 563         meth=SSLv3_method();
 564 #else
 565         meth=SSLv2_method();
 566 #endif
 567 #endif
 568
 569         c_ctx=SSL_CTX_new(meth);
 570         s_ctx=SSL_CTX_new(meth);
 571         if ((c_ctx == NULL) || (s_ctx == NULL))
 572                 {
 573                 ERR_print_errors(bio_err);
 574                 goto end;
 575                 }
 576
 577         if (cipher != NULL)
 578                 {
 579                 SSL_CTX_set_cipher_list(c_ctx,cipher);
 580                 SSL_CTX_set_cipher_list(s_ctx,cipher);
 581                 }
 582
 583 #ifndef OPENSSL_NO_DH
 584         if (!no_dhe)
 585                 {
 586                 if (dhe1024dsa)
 587                         {
 588                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
 589                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
 590                         dh=get_dh1024dsa();
 591                         }
 592                 else if (dhe1024)
 593                         dh=get_dh1024();
 594                 else
 595                         dh=get_dh512();
 596                 SSL_CTX_set_tmp_dh(s_ctx,dh);
 597                 DH_free(dh);
 598                 }
 599 #else
 600         (void)no_dhe;
 601 #endif
 602
 603 #ifndef OPENSSL_NO_RSA
 604         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
 605 #endif
 606
 607         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
 608                 {
 609                 ERR_print_errors(bio_err);
 610                 }
 611         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
 612                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
 613                 {
 614                 ERR_print_errors(bio_err);
 615                 goto end;
 616                 }
 617
 618         if (client_auth)
 619                 {
 620                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
 621                         SSL_FILETYPE_PEM);
 622                 SSL_CTX_use_PrivateKey_file(c_ctx,
 623                         (client_key?client_key:client_cert),
 624                         SSL_FILETYPE_PEM);
 625                 }
 626
 627         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
 628                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
 629                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
 630                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
 631                 {
 632                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
 633                 ERR_print_errors(bio_err);
 634                 /* goto end; */
 635                 }
 636
 637         if (client_auth)
 638                 {
 639                 BIO_printf(bio_err,"client authentication\n");
 640                 SSL_CTX_set_verify(s_ctx,
 641                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
 642                         verify_callback);
 643                 }
 644         if (server_auth)
 645                 {
 646                 BIO_printf(bio_err,"server authentication\n");
 647                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
 648                         verify_callback);
 649                 }
 650
 651         {
 652                 int session_id_context = 0;
 653                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
 654         }
 655
 656         c_ssl=SSL_new(c_ctx);
 657         s_ssl=SSL_new(s_ctx);
 658
 659 #ifndef OPENSSL_NO_KRB5
 660         if (c_ssl  &&  c_ssl->kssl_ctx)
 661                 {
 662                 char    localhost[257];
 663
 664                 if (gethostname(localhost, 256) == 0)
 665                         {
 666                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
 667                                 localhost);
 668                         }
 669                 }
 670 #endif    /* OPENSSL_NO_KRB5  */
 671
 672         for (i=0; i<number; i++)
 673                 {
 674                 if (!reuse) SSL_set_session(c_ssl,NULL);
 675                 if (bio_pair)
 676                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
 677                 else
 678                         ret=doit(s_ssl,c_ssl,bytes);
 679                 }
 680
 681         if (!verbose)
 682                 {
 683                 print_details(c_ssl, "");
 684                 }
 685         if ((number > 1) || (bytes > 1L))
 686                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
 687         if (print_time)
 688                 {
 689 #ifdef CLOCKS_PER_SEC
 690                 /* "To determine the time in seconds, the value returned
 691                  * by the clock function should be divided by the value
 692                  * of the macro CLOCKS_PER_SEC."
 693                  *                                       -- ISO/IEC 9899 */
 694                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
 695                         "Approximate total client time: %6.2f s\n",
 696                         (double)s_time/CLOCKS_PER_SEC,
 697                         (double)c_time/CLOCKS_PER_SEC);
 698 #else
 699                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
 700                  *                            -- cc on NeXTstep/OpenStep */
 701                 BIO_printf(bio_stdout,
 702                         "Approximate total server time: %6.2f units\n"
 703                         "Approximate total client time: %6.2f units\n",
 704                         (double)s_time,
 705                         (double)c_time);
 706 #endif
 707                 }
 708
 709         SSL_free(s_ssl);
 710         SSL_free(c_ssl);
 711
 712 end:
 713         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
 714         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
 715
 716         if (bio_stdout != NULL) BIO_free(bio_stdout);
 717
 718 #ifndef OPENSSL_NO_RSA
 719         free_tmp_rsa();
 720 #endif
 721         ENGINE_cleanup();
 722         CRYPTO_cleanup_all_ex_data();
 723         ERR_free_strings();
 724         ERR_remove_state(0);
 725         EVP_cleanup();
 726         CRYPTO_mem_leaks(bio_err);
 727         if (bio_err != NULL) BIO_free(bio_err);
 728         EXIT(ret);
 729         }
 730
 731 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
 732         clock_t *s_time, clock_t *c_time)
 733         {
 734         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
 735         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
 736         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
 737         int ret = 1;
 738
 739         size_t bufsiz = 256; /* small buffer for testing */
 740
 741         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
 742                 goto err;
 743         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
 744                 goto err;
 745
 746         s_ssl_bio = BIO_new(BIO_f_ssl());
 747         if (!s_ssl_bio)
 748                 goto err;
 749
 750         c_ssl_bio = BIO_new(BIO_f_ssl());
 751         if (!c_ssl_bio)
 752                 goto err;
 753
 754         SSL_set_connect_state(c_ssl);
 755         SSL_set_bio(c_ssl, client, client);
 756         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
 757
 758         SSL_set_accept_state(s_ssl);
 759         SSL_set_bio(s_ssl, server, server);
 760         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
 761
 762         do
 763                 {
 764                 /* c_ssl_bio:          SSL filter BIO
 765                  *
 766                  * client:             pseudo-I/O for SSL library
 767                  *
 768                  * client_io:          client's SSL communication; usually to be
 769                  *                     relayed over some I/O facility, but in this
 770                  *                     test program, we're the server, too:
 771                  *
 772                  * server_io:          server's SSL communication
 773                  *
 774                  * server:             pseudo-I/O for SSL library
 775                  *
 776                  * s_ssl_bio:          SSL filter BIO
 777                  *
 778                  * The client and the server each employ a "BIO pair":
 779                  * client + client_io, server + server_io.
 780                  * BIO pairs are symmetric.  A BIO pair behaves similar
 781                  * to a non-blocking socketpair (but both endpoints must
 782                  * be handled by the same thread).
 783                  * [Here we could connect client and server to the ends
 784                  * of a single BIO pair, but then this code would be less
 785                  * suitable as an example for BIO pairs in general.]
 786                  *
 787                  * Useful functions for querying the state of BIO pair endpoints:
 788                  *
 789                  * BIO_ctrl_pending(bio)              number of bytes we can read now
 790                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
 791                  *                                      other side's read attempt
 792                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
 793                  *
 794                  * ..._read_request is never more than ..._write_guarantee;
 795                  * it depends on the application which one you should use.
 796                  */
 797
 798                 /* We have non-blocking behaviour throughout this test program, but
 799                  * can be sure that there is *some* progress in each iteration; so
 800                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
 801                  * -- we just try everything in each iteration
 802                  */
 803
 804                         {
 805                         /* CLIENT */
 806
 807                         MS_STATIC char cbuf[1024*8];
 808                         int i, r;
 809                         clock_t c_clock = clock();
 810
 811                         if (debug)
 812                                 if (SSL_in_init(c_ssl))
 813                                         printf("client waiting in SSL_connect - %s\n",
 814                                                 SSL_state_string_long(c_ssl));
 815
 816                         if (cw_num > 0)
 817                                 {
 818                                 /* Write to server. */
 819
 820                                 if (cw_num > (long)sizeof cbuf)
 821                                         i = sizeof cbuf;
 822                                 else
 823                                         i = (int)cw_num;
 824                                 r = BIO_write(c_ssl_bio, cbuf, i);
 825                                 if (r < 0)
 826                                         {
 827                                         if (!BIO_should_retry(c_ssl_bio))
 828                                                 {
 829                                                 fprintf(stderr,"ERROR in CLIENT\n");
 830                                                 goto err;
 831                                                 }
 832                                         /* BIO_should_retry(...) can just be ignored here.
 833                                          * The library expects us to call BIO_write with
 834                                          * the same arguments again, and that's what we will
 835                                          * do in the next iteration. */
 836                                         }
 837                                 else if (r == 0)
 838                                         {
 839                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 840                                         goto err;
 841                                         }
 842                                 else
 843                                         {
 844                                         if (debug)
 845                                                 printf("client wrote %d\n", r);
 846                                         cw_num -= r;
 847                                         }
 848                                 }
 849
 850                         if (cr_num > 0)
 851                                 {
 852                                 /* Read from server. */
 853
 854                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
 855                                 if (r < 0)
 856                                         {
 857                                         if (!BIO_should_retry(c_ssl_bio))
 858                                                 {
 859                                                 fprintf(stderr,"ERROR in CLIENT\n");
 860                                                 goto err;
 861                                                 }
 862                                         /* Again, "BIO_should_retry" can be ignored. */
 863                                         }
 864                                 else if (r == 0)
 865                                         {
 866                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 867                                         goto err;
 868                                         }
 869                                 else
 870                                         {
 871                                         if (debug)
 872                                                 printf("client read %d\n", r);
 873                                         cr_num -= r;
 874                                         }
 875                                 }
 876
 877                         /* c_time and s_time increments will typically be very small
 878                          * (depending on machine speed and clock tick intervals),
 879                          * but sampling over a large number of connections should
 880                          * result in fairly accurate figures.  We cannot guarantee
 881                          * a lot, however -- if each connection lasts for exactly
 882                          * one clock tick, it will be counted only for the client
 883                          * or only for the server or even not at all.
 884                          */
 885                         *c_time += (clock() - c_clock);
 886                         }
 887
 888                         {
 889                         /* SERVER */
 890
 891                         MS_STATIC char sbuf[1024*8];
 892                         int i, r;
 893                         clock_t s_clock = clock();
 894
 895                         if (debug)
 896                                 if (SSL_in_init(s_ssl))
 897                                         printf("server waiting in SSL_accept - %s\n",
 898                                                 SSL_state_string_long(s_ssl));
 899
 900                         if (sw_num > 0)
 901                                 {
 902                                 /* Write to client. */
 903
 904                                 if (sw_num > (long)sizeof sbuf)
 905                                         i = sizeof sbuf;
 906                                 else
 907                                         i = (int)sw_num;
 908                                 r = BIO_write(s_ssl_bio, sbuf, i);
 909                                 if (r < 0)
 910                                         {
 911                                         if (!BIO_should_retry(s_ssl_bio))
 912                                                 {
 913                                                 fprintf(stderr,"ERROR in SERVER\n");
 914                                                 goto err;
 915                                                 }
 916                                         /* Ignore "BIO_should_retry". */
 917                                         }
 918                                 else if (r == 0)
 919                                         {
 920                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
 921                                         goto err;
 922                                         }
 923                                 else
 924                                         {
 925                                         if (debug)
 926                                                 printf("server wrote %d\n", r);
 927                                         sw_num -= r;
 928                                         }
 929                                 }
 930
 931                         if (sr_num > 0)
 932                                 {
 933                                 /* Read from client. */
 934
 935                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
 936                                 if (r < 0)
 937                                         {
 938                                         if (!BIO_should_retry(s_ssl_bio))
 939                                                 {
 940                                                 fprintf(stderr,"ERROR in SERVER\n");
 941                                                 goto err;
 942                                                 }
 943                                         /* blah, blah */
 944                                         }
 945                                 else if (r == 0)
 946                                         {
 947                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
 948                                         goto err;
 949                                         }
 950                                 else
 951                                         {
 952                                         if (debug)
 953                                                 printf("server read %d\n", r);
 954                                         sr_num -= r;
 955                                         }
 956                                 }
 957
 958                         *s_time += (clock() - s_clock);
 959                         }
 960
 961                         {
 962                         /* "I/O" BETWEEN CLIENT AND SERVER. */
 963
 964                         size_t r1, r2;
 965                         BIO *io1 = server_io, *io2 = client_io;
 966                         /* we use the non-copying interface for io1
 967                          * and the standard BIO_write/BIO_read interface for io2
 968                          */
 969
 970                         static int prev_progress = 1;
 971                         int progress = 0;
 972
 973                         /* io1 to io2 */
 974                         do
 975                                 {
 976                                 size_t num;
 977                                 int r;
 978
 979                                 r1 = BIO_ctrl_pending(io1);
 980                                 r2 = BIO_ctrl_get_write_guarantee(io2);
 981
 982                                 num = r1;
 983                                 if (r2 < num)
 984                                         num = r2;
 985                                 if (num)
 986                                         {
 987                                         char *dataptr;
 988
 989                                         if (INT_MAX < num) /* yeah, right */
 990                                                 num = INT_MAX;
 991
 992                                         r = BIO_nread(io1, &dataptr, (int)num);
 993                                         assert(r > 0);
 994                                         assert(r <= (int)num);
 995                                         /* possibly r < num (non-contiguous data) */
 996                                         num = r;
 997                                         r = BIO_write(io2, dataptr, (int)num);
 998                                         if (r != (int)num) /* can't happen */
 999                                                 {
1000                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1001                                                         "BIO_ctrl_get_write_guarantee() bytes");
1002                                                 goto err;
1003                                                 }
1004                                         progress = 1;
1005
1006                                         if (debug)
1007                                                 printf((io1 == client_io) ?
1008                                                         "C->S relaying: %d bytes\n" :
1009                                                         "S->C relaying: %d bytes\n",
1010                                                         (int)num);
1011                                         }
1012                                 }
1013                         while (r1 && r2);
1014
1015                         /* io2 to io1 */
1016                         {
1017                                 size_t num;
1018                                 int r;
1019
1020                                 r1 = BIO_ctrl_pending(io2);
1021                                 r2 = BIO_ctrl_get_read_request(io1);
1022                                 /* here we could use ..._get_write_guarantee instead of
1023                                  * ..._get_read_request, but by using the latter
1024                                  * we test restartability of the SSL implementation
1025                                  * more thoroughly */
1026                                 num = r1;
1027                                 if (r2 < num)
1028                                         num = r2;
1029                                 if (num)
1030                                         {
1031                                         char *dataptr;
1032
1033                                         if (INT_MAX < num)
1034                                                 num = INT_MAX;
1035
1036                                         if (num > 1)
1037                                                 --num; /* test restartability even more thoroughly */
1038
1039                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1040                                         assert(r > 0);
1041                                         assert(r <= (int)num);
1042                                         num = r;
1043                                         r = BIO_read(io2, dataptr, (int)num);
1044                                         if (r != (int)num) /* can't happen */
1045                                                 {
1046                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1047                                                         "BIO_ctrl_pending() bytes");
1048                                                 goto err;
1049                                                 }
1050                                         progress = 1;
1051
1052                                         if (debug)
1053                                                 printf((io2 == client_io) ?
1054                                                         "C->S relaying: %d bytes\n" :
1055                                                         "S->C relaying: %d bytes\n",
1056                                                         (int)num);
1057                                         }
1058                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1059
1060                         if (!progress && !prev_progress)
1061                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1062                                         {
1063                                         fprintf(stderr, "ERROR: got stuck\n");
1064                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1065                                                 {
1066                                                 fprintf(stderr, "This can happen for SSL2 because "
1067                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1068                                                         "concurrently ...");
1069                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1070                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1071                                                         {
1072                                                         fprintf(stderr, " ok.\n");
1073                                                         goto end;
1074                                                         }
1075                                                 }
1076                                         fprintf(stderr, " ERROR.\n");
1077                                         goto err;
1078                                         }
1079                         prev_progress = progress;
1080                         }
1081                 }
1082         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1083
1084         if (verbose)
1085                 print_details(c_ssl, "DONE via BIO pair: ");
1086 end:
1087         ret = 0;
1088
1089  err:
1090         ERR_print_errors(bio_err);
1091
1092         if (server)
1093                 BIO_free(server);
1094         if (server_io)
1095                 BIO_free(server_io);
1096         if (client)
1097                 BIO_free(client);
1098         if (client_io)
1099                 BIO_free(client_io);
1100         if (s_ssl_bio)
1101                 BIO_free(s_ssl_bio);
1102         if (c_ssl_bio)
1103                 BIO_free(c_ssl_bio);
1104
1105         return ret;
1106         }
1107
1108
1109 #define W_READ  1
1110 #define W_WRITE 2
1111 #define C_DONE  1
1112 #define S_DONE  2
1113
1114 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1115         {
1116         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1117         long cw_num=count,cr_num=count;
1118         long sw_num=count,sr_num=count;
1119         int ret=1;
1120         BIO *c_to_s=NULL;
1121         BIO *s_to_c=NULL;
1122         BIO *c_bio=NULL;
1123         BIO *s_bio=NULL;
1124         int c_r,c_w,s_r,s_w;
1125         int c_want,s_want;
1126         int i,j;
1127         int done=0;
1128         int c_write,s_write;
1129         int do_server=0,do_client=0;
1130
1131         c_to_s=BIO_new(BIO_s_mem());
1132         s_to_c=BIO_new(BIO_s_mem());
1133         if ((s_to_c == NULL) || (c_to_s == NULL))
1134                 {
1135                 ERR_print_errors(bio_err);
1136                 goto err;
1137                 }
1138
1139         c_bio=BIO_new(BIO_f_ssl());
1140         s_bio=BIO_new(BIO_f_ssl());
1141         if ((c_bio == NULL) || (s_bio == NULL))
1142                 {
1143                 ERR_print_errors(bio_err);
1144                 goto err;
1145                 }
1146
1147         SSL_set_connect_state(c_ssl);
1148         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1149         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1150
1151         SSL_set_accept_state(s_ssl);
1152         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1153         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1154
1155         c_r=0; s_r=1;
1156         c_w=1; s_w=0;
1157         c_want=W_WRITE;
1158         s_want=0;
1159         c_write=1,s_write=0;
1160
1161         /* We can always do writes */
1162         for (;;)
1163                 {
1164                 do_server=0;
1165                 do_client=0;
1166
1167                 i=(int)BIO_pending(s_bio);
1168                 if ((i && s_r) || s_w) do_server=1;
1169
1170                 i=(int)BIO_pending(c_bio);
1171                 if ((i && c_r) || c_w) do_client=1;
1172
1173                 if (do_server && debug)
1174                         {
1175                         if (SSL_in_init(s_ssl))
1176                                 printf("server waiting in SSL_accept - %s\n",
1177                                         SSL_state_string_long(s_ssl));
1178 /*                      else if (s_write)
1179                                 printf("server:SSL_write()\n");
1180                         else
1181                                 printf("server:SSL_read()\n"); */
1182                         }
1183
1184                 if (do_client && debug)
1185                         {
1186                         if (SSL_in_init(c_ssl))
1187                                 printf("client waiting in SSL_connect - %s\n",
1188                                         SSL_state_string_long(c_ssl));
1189 /*                      else if (c_write)
1190                                 printf("client:SSL_write()\n");
1191                         else
1192                                 printf("client:SSL_read()\n"); */
1193                         }
1194
1195                 if (!do_client && !do_server)
1196                         {
1197                         fprintf(stdout,"ERROR IN STARTUP\n");
1198                         ERR_print_errors(bio_err);
1199                         break;
1200                         }
1201                 if (do_client && !(done & C_DONE))
1202                         {
1203                         if (c_write)
1204                                 {
1205                                 j=(cw_num > (long)sizeof(cbuf))
1206                                         ?sizeof(cbuf):(int)cw_num;
1207                                 i=BIO_write(c_bio,cbuf,j);
1208                                 if (i < 0)
1209                                         {
1210                                         c_r=0;
1211                                         c_w=0;
1212                                         if (BIO_should_retry(c_bio))
1213                                                 {
1214                                                 if (BIO_should_read(c_bio))
1215                                                         c_r=1;
1216                                                 if (BIO_should_write(c_bio))
1217                                                         c_w=1;
1218                                                 }
1219                                         else
1220                                                 {
1221                                                 fprintf(stderr,"ERROR in CLIENT\n");
1222                                                 ERR_print_errors(bio_err);
1223                                                 goto err;
1224                                                 }
1225                                         }
1226                                 else if (i == 0)
1227                                         {
1228                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1229                                         goto err;
1230                                         }
1231                                 else
1232                                         {
1233                                         if (debug)
1234                                                 printf("client wrote %d\n",i);
1235                                         /* ok */
1236                                         s_r=1;
1237                                         c_write=0;
1238                                         cw_num-=i;
1239                                         }
1240                                 }
1241                         else
1242                                 {
1243                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1244                                 if (i < 0)
1245                                         {
1246                                         c_r=0;
1247                                         c_w=0;
1248                                         if (BIO_should_retry(c_bio))
1249                                                 {
1250                                                 if (BIO_should_read(c_bio))
1251                                                         c_r=1;
1252                                                 if (BIO_should_write(c_bio))
1253                                                         c_w=1;
1254                                                 }
1255                                         else
1256                                                 {
1257                                                 fprintf(stderr,"ERROR in CLIENT\n");
1258                                                 ERR_print_errors(bio_err);
1259                                                 goto err;
1260                                                 }
1261                                         }
1262                                 else if (i == 0)
1263                                         {
1264                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1265                                         goto err;
1266                                         }
1267                                 else
1268                                         {
1269                                         if (debug)
1270                                                 printf("client read %d\n",i);
1271                                         cr_num-=i;
1272                                         if (sw_num > 0)
1273                                                 {
1274                                                 s_write=1;
1275                                                 s_w=1;
1276                                                 }
1277                                         if (cr_num <= 0)
1278                                                 {
1279                                                 s_write=1;
1280                                                 s_w=1;
1281                                                 done=S_DONE|C_DONE;
1282                                                 }
1283                                         }
1284                                 }
1285                         }
1286
1287                 if (do_server && !(done & S_DONE))
1288                         {
1289                         if (!s_write)
1290                                 {
1291                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1292                                 if (i < 0)
1293                                         {
1294                                         s_r=0;
1295                                         s_w=0;
1296                                         if (BIO_should_retry(s_bio))
1297                                                 {
1298                                                 if (BIO_should_read(s_bio))
1299                                                         s_r=1;
1300                                                 if (BIO_should_write(s_bio))
1301                                                         s_w=1;
1302                                                 }
1303                                         else
1304                                                 {
1305                                                 fprintf(stderr,"ERROR in SERVER\n");
1306                                                 ERR_print_errors(bio_err);
1307                                                 goto err;
1308                                                 }
1309                                         }
1310                                 else if (i == 0)
1311                                         {
1312                                         ERR_print_errors(bio_err);
1313                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1314                                         goto err;
1315                                         }
1316                                 else
1317                                         {
1318                                         if (debug)
1319                                                 printf("server read %d\n",i);
1320                                         sr_num-=i;
1321                                         if (cw_num > 0)
1322                                                 {
1323                                                 c_write=1;
1324                                                 c_w=1;
1325                                                 }
1326                                         if (sr_num <= 0)
1327                                                 {
1328                                                 s_write=1;
1329                                                 s_w=1;
1330                                                 c_write=0;
1331                                                 }
1332                                         }
1333                                 }
1334                         else
1335                                 {
1336                                 j=(sw_num > (long)sizeof(sbuf))?
1337                                         sizeof(sbuf):(int)sw_num;
1338                                 i=BIO_write(s_bio,sbuf,j);
1339                                 if (i < 0)
1340                                         {
1341                                         s_r=0;
1342                                         s_w=0;
1343                                         if (BIO_should_retry(s_bio))
1344                                                 {
1345                                                 if (BIO_should_read(s_bio))
1346                                                         s_r=1;
1347                                                 if (BIO_should_write(s_bio))
1348                                                         s_w=1;
1349                                                 }
1350                                         else
1351                                                 {
1352                                                 fprintf(stderr,"ERROR in SERVER\n");
1353                                                 ERR_print_errors(bio_err);
1354                                                 goto err;
1355                                                 }
1356                                         }
1357                                 else if (i == 0)
1358                                         {
1359                                         ERR_print_errors(bio_err);
1360                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1361                                         goto err;
1362                                         }
1363                                 else
1364                                         {
1365                                         if (debug)
1366                                                 printf("server wrote %d\n",i);
1367                                         sw_num-=i;
1368                                         s_write=0;
1369                                         c_r=1;
1370                                         if (sw_num <= 0)
1371                                                 done|=S_DONE;
1372                                         }
1373                                 }
1374                         }
1375
1376                 if ((done & S_DONE) && (done & C_DONE)) break;
1377                 }
1378
1379         if (verbose)
1380                 print_details(c_ssl, "DONE: ");
1381         ret=0;
1382 err:
1383         /* We have to set the BIO's to NULL otherwise they will be
1384          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1385          * again when c_ssl is SSL_free()ed.
1386          * This is a hack required because s_ssl and c_ssl are sharing the same
1387          * BIO structure and SSL_set_bio() and SSL_free() automatically
1388          * BIO_free non NULL entries.
1389          * You should not normally do this or be required to do this */
1390         if (s_ssl != NULL)
1391                 {
1392                 s_ssl->rbio=NULL;
1393                 s_ssl->wbio=NULL;
1394                 }
1395         if (c_ssl != NULL)
1396                 {
1397                 c_ssl->rbio=NULL;
1398                 c_ssl->wbio=NULL;
1399                 }
1400
1401         if (c_to_s != NULL) BIO_free(c_to_s);
1402         if (s_to_c != NULL) BIO_free(s_to_c);
1403         if (c_bio != NULL) BIO_free_all(c_bio);
1404         if (s_bio != NULL) BIO_free_all(s_bio);
1405         return(ret);
1406         }
1407
1408 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1409         {
1410         char *s,buf[256];
1411
1412         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,256);
1413         if (s != NULL)
1414                 {
1415                 if (ok)
1416                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1417                 else
1418                         fprintf(stderr,"depth=%d error=%d %s\n",
1419                                 ctx->error_depth,ctx->error,buf);
1420                 }
1421
1422         if (ok == 0)
1423                 {
1424                 switch (ctx->error)
1425                         {
1426                 case X509_V_ERR_CERT_NOT_YET_VALID:
1427                 case X509_V_ERR_CERT_HAS_EXPIRED:
1428                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1429                         ok=1;
1430                         }
1431                 }
1432
1433         return(ok);
1434         }
1435
1436 #ifndef OPENSSL_NO_RSA
1437 static RSA *rsa_tmp=NULL;
1438
1439 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1440         {
1441         if (rsa_tmp == NULL)
1442                 {
1443                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1444                 (void)BIO_flush(bio_err);
1445                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1446                 BIO_printf(bio_err,"\n");
1447                 (void)BIO_flush(bio_err);
1448                 }
1449         return(rsa_tmp);
1450         }
1451
1452 static void free_tmp_rsa(void)
1453         {
1454         if (rsa_tmp != NULL)
1455                 {
1456                 RSA_free(rsa_tmp);
1457                 rsa_tmp = NULL;
1458                 }
1459         }
1460 #endif
1461
1462 #ifndef OPENSSL_NO_DH
1463 /* These DH parameters have been generated as follows:
1464  *    $ openssl dhparam -C -noout 512
1465  *    $ openssl dhparam -C -noout 1024
1466  *    $ openssl dhparam -C -noout -dsaparam 1024
1467  * (The third function has been renamed to avoid name conflicts.)
1468  */
1469 static DH *get_dh512()
1470         {
1471         static unsigned char dh512_p[]={
1472                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1473                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1474                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1475                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1476                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1477                 0x02,0xC5,0xAE,0x23,
1478                 };
1479         static unsigned char dh512_g[]={
1480                 0x02,
1481                 };
1482         DH *dh;
1483
1484         if ((dh=DH_new()) == NULL) return(NULL);
1485         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1486         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1487         if ((dh->p == NULL) || (dh->g == NULL))
1488                 { DH_free(dh); return(NULL); }
1489         return(dh);
1490         }
1491
1492 static DH *get_dh1024()
1493         {
1494         static unsigned char dh1024_p[]={
1495                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1496                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1497                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1498                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1499                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1500                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1501                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1502                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1503                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1504                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1505                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1506                 };
1507         static unsigned char dh1024_g[]={
1508                 0x02,
1509                 };
1510         DH *dh;
1511
1512         if ((dh=DH_new()) == NULL) return(NULL);
1513         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1514         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1515         if ((dh->p == NULL) || (dh->g == NULL))
1516                 { DH_free(dh); return(NULL); }
1517         return(dh);
1518         }
1519
1520 static DH *get_dh1024dsa()
1521         {
1522         static unsigned char dh1024_p[]={
1523                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1524                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1525                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1526                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1527                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1528                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1529                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1530                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1531                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1532                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1533                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1534                 };
1535         static unsigned char dh1024_g[]={
1536                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1537                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1538                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1539                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1540                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1541                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1542                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1543                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1544                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1545                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1546                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1547                 };
1548         DH *dh;
1549
1550         if ((dh=DH_new()) == NULL) return(NULL);
1551         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1552         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1553         if ((dh->p == NULL) || (dh->g == NULL))
1554                 { DH_free(dh); return(NULL); }
1555         dh->length = 160;
1556         return(dh);
1557         }
1558 #endif