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  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116
 117 #define _XOPEN_SOURCE 600       /* Or gethostname won't be declared properly
 118                                    on Linux and GNU platforms. */
 119 #define _XOPEN_SOURCE_EXTENDED  1 /* Or gethostname won't be declared properly
 120                                    on Compaq platforms (at least with DEC C).
 121                                 */
 122
 123 #include <assert.h>
 124 #include <errno.h>
 125 #include <limits.h>
 126 #include <stdio.h>
 127 #include <stdlib.h>
 128 #include <string.h>
 129 #include <time.h>
 130
 131 #include "e_os.h"
 132
 133 #include <openssl/bio.h>
 134 #include <openssl/crypto.h>
 135 #include <openssl/evp.h>
 136 #include <openssl/x509.h>
 137 #include <openssl/ssl.h>
 138 #include <openssl/engine.h>
 139 #include <openssl/err.h>
 140 #include <openssl/rand.h>
 141 #ifdef OPENSSL_SYS_WINDOWS
 142 #include <winsock.h>
 143 #include "../crypto/bio/bss_file.c"
 144 #else
 145 #include OPENSSL_UNISTD
 146 #endif
 147
 148 #ifdef OPENSSL_SYS_VMS
 149 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
 150 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
 151 #else
 152 #  define TEST_SERVER_CERT "../apps/server.pem"
 153 #  define TEST_CLIENT_CERT "../apps/client.pem"
 154 #endif
 155
 156 /* There is really no standard for this, so let's assign some tentative
 157    numbers.  In any case, these numbers are only for this test */
 158 #define COMP_RLE        1
 159 #define COMP_ZLIB       2
 160
 161 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
 162 #ifndef OPENSSL_NO_RSA
 163 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
 164 static void free_tmp_rsa(void);
 165 #endif
 166 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg);
 167 #define APP_CALLBACK "Test Callback Argument"
 168 static char *app_verify_arg = APP_CALLBACK;
 169
 170 #ifndef OPENSSL_NO_DH
 171 static DH *get_dh512(void);
 172 static DH *get_dh1024(void);
 173 static DH *get_dh1024dsa(void);
 174 #endif
 175
 176 static BIO *bio_err=NULL;
 177 static BIO *bio_stdout=NULL;
 178
 179 static char *cipher=NULL;
 180 static int verbose=0;
 181 static int debug=0;
 182 #if 0
 183 /* Not used yet. */
 184 #ifdef FIONBIO
 185 static int s_nbio=0;
 186 #endif
 187 #endif
 188
 189 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
 190
 191 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
 192 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
 193 static void sv_usage(void)
 194         {
 195         fprintf(stderr,"usage: ssltest [args ...]\n");
 196         fprintf(stderr,"\n");
 197         fprintf(stderr," -server_auth  - check server certificate\n");
 198         fprintf(stderr," -client_auth  - do client authentication\n");
 199         fprintf(stderr," -v            - more output\n");
 200         fprintf(stderr," -d            - debug output\n");
 201         fprintf(stderr," -reuse        - use session-id reuse\n");
 202         fprintf(stderr," -num <val>    - number of connections to perform\n");
 203         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
 204 #ifndef OPENSSL_NO_DH
 205         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
 206         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
 207         fprintf(stderr," -no_dhe       - disable DHE\n");
 208 #endif
 209 #ifndef OPENSSL_NO_ECDH
 210         fprintf(stderr," -no_ecdhe     - disable ECDHE\n");
 211 #endif
 212 #ifndef OPENSSL_NO_SSL2
 213         fprintf(stderr," -ssl2         - use SSLv2\n");
 214 #endif
 215 #ifndef OPENSSL_NO_SSL3
 216         fprintf(stderr," -ssl3         - use SSLv3\n");
 217 #endif
 218 #ifndef OPENSSL_NO_TLS1
 219         fprintf(stderr," -tls1         - use TLSv1\n");
 220 #endif
 221         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
 222         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
 223         fprintf(stderr," -cert arg     - Server certificate file\n");
 224         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
 225         fprintf(stderr," -c_cert arg   - Client certificate file\n");
 226         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
 227         fprintf(stderr," -cipher arg   - The cipher list\n");
 228         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
 229         fprintf(stderr," -f            - Test even cases that can't work\n");
 230         fprintf(stderr," -time         - measure processor time used by client and server\n");
 231         fprintf(stderr," -zlib         - use zlib compression\n");
 232         fprintf(stderr," -rle          - use rle compression\n");
 233 #ifndef OPENSSL_NO_ECDH
 234         fprintf(stderr," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 235                        "                 Use \"openssl ecparam -list_curves\" for all names\n"  \
 236                        "                 (default is sect163r2).\n");
 237 #endif
 238         }
 239
 240 static void print_details(SSL *c_ssl, const char *prefix)
 241         {
 242         SSL_CIPHER *ciph;
 243         X509 *cert;
 244
 245         ciph=SSL_get_current_cipher(c_ssl);
 246         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
 247                 prefix,
 248                 SSL_get_version(c_ssl),
 249                 SSL_CIPHER_get_version(ciph),
 250                 SSL_CIPHER_get_name(ciph));
 251         cert=SSL_get_peer_certificate(c_ssl);
 252         if (cert != NULL)
 253                 {
 254                 EVP_PKEY *pkey = X509_get_pubkey(cert);
 255                 if (pkey != NULL)
 256                         {
 257                         if (0)
 258                                 ;
 259 #ifndef OPENSSL_NO_RSA
 260                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
 261                                 && pkey->pkey.rsa->n != NULL)
 262                                 {
 263                                 BIO_printf(bio_stdout, ", %d bit RSA",
 264                                         BN_num_bits(pkey->pkey.rsa->n));
 265                                 }
 266 #endif
 267 #ifndef OPENSSL_NO_DSA
 268                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
 269                                 && pkey->pkey.dsa->p != NULL)
 270                                 {
 271                                 BIO_printf(bio_stdout, ", %d bit DSA",
 272                                         BN_num_bits(pkey->pkey.dsa->p));
 273                                 }
 274 #endif
 275                         EVP_PKEY_free(pkey);
 276                         }
 277                 X509_free(cert);
 278                 }
 279         /* The SSL API does not allow us to look at temporary RSA/DH keys,
 280          * otherwise we should print their lengths too */
 281         BIO_printf(bio_stdout,"\n");
 282         }
 283
 284 static void lock_dbg_cb(int mode, int type, const char *file, int line)
 285         {
 286         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
 287         const char *errstr = NULL;
 288         int rw;
 289
 290         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
 291         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
 292                 {
 293                 errstr = "invalid mode";
 294                 goto err;
 295                 }
 296
 297         if (type < 0 || type > CRYPTO_NUM_LOCKS)
 298                 {
 299                 errstr = "type out of bounds";
 300                 goto err;
 301                 }
 302
 303         if (mode & CRYPTO_LOCK)
 304                 {
 305                 if (modes[type])
 306                         {
 307                         errstr = "already locked";
 308                         /* must not happen in a single-threaded program
 309                          * (would deadlock) */
 310                         goto err;
 311                         }
 312
 313                 modes[type] = rw;
 314                 }
 315         else if (mode & CRYPTO_UNLOCK)
 316                 {
 317                 if (!modes[type])
 318                         {
 319                         errstr = "not locked";
 320                         goto err;
 321                         }
 322
 323                 if (modes[type] != rw)
 324                         {
 325                         errstr = (rw == CRYPTO_READ) ?
 326                                 "CRYPTO_r_unlock on write lock" :
 327                                 "CRYPTO_w_unlock on read lock";
 328                         }
 329
 330                 modes[type] = 0;
 331                 }
 332         else
 333                 {
 334                 errstr = "invalid mode";
 335                 goto err;
 336                 }
 337
 338  err:
 339         if (errstr)
 340                 {
 341                 /* we cannot use bio_err here */
 342                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
 343                         errstr, mode, type, file, line);
 344                 }
 345         }
 346
 347 int main(int argc, char *argv[])
 348         {
 349         char *CApath=NULL,*CAfile=NULL;
 350         int badop=0;
 351         int bio_pair=0;
 352         int force=0;
 353         int tls1=0,ssl2=0,ssl3=0,ret=1;
 354         int client_auth=0;
 355         int server_auth=0,i;
 356         int app_verify=0;
 357         char *server_cert=TEST_SERVER_CERT;
 358         char *server_key=NULL;
 359         char *client_cert=TEST_CLIENT_CERT;
 360         char *client_key=NULL;
 361         char *named_curve = NULL;
 362         SSL_CTX *s_ctx=NULL;
 363         SSL_CTX *c_ctx=NULL;
 364         SSL_METHOD *meth=NULL;
 365         SSL *c_ssl,*s_ssl;
 366         int number=1,reuse=0;
 367         long bytes=1L;
 368 #ifndef OPENSSL_NO_DH
 369         DH *dh;
 370         int dhe1024 = 0, dhe1024dsa = 0;
 371 #endif
 372 #ifndef OPENSSL_NO_ECDH
 373         EC_KEY *ecdh = NULL;
 374 #endif
 375         int no_dhe = 0;
 376         int no_ecdhe = 0;
 377         int print_time = 0;
 378         clock_t s_time = 0, c_time = 0;
 379         int comp = 0;
 380         COMP_METHOD *cm = NULL;
 381
 382         verbose = 0;
 383         debug = 0;
 384         cipher = 0;
 385
 386         CRYPTO_set_locking_callback(lock_dbg_cb);
 387
 388         /* enable memory leak checking unless explicitly disabled */
 389         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
 390                 {
 391                 CRYPTO_malloc_debug_init();
 392                 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
 393                 }
 394         else
 395                 {
 396                 /* OPENSSL_DEBUG_MEMORY=off */
 397                 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
 398                 }
 399         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 400
 401         RAND_seed(rnd_seed, sizeof rnd_seed);
 402
 403         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 404         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
 405
 406         argc--;
 407         argv++;
 408
 409         while (argc >= 1)
 410                 {
 411                 if      (strcmp(*argv,"-server_auth") == 0)
 412                         server_auth=1;
 413                 else if (strcmp(*argv,"-client_auth") == 0)
 414                         client_auth=1;
 415                 else if (strcmp(*argv,"-v") == 0)
 416                         verbose=1;
 417                 else if (strcmp(*argv,"-d") == 0)
 418                         debug=1;
 419                 else if (strcmp(*argv,"-reuse") == 0)
 420                         reuse=1;
 421                 else if (strcmp(*argv,"-dhe1024") == 0)
 422                         {
 423 #ifndef OPENSSL_NO_DH
 424                         dhe1024=1;
 425 #else
 426                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
 427 #endif
 428                         }
 429                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
 430                         {
 431 #ifndef OPENSSL_NO_DH
 432                         dhe1024dsa=1;
 433 #else
 434                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
 435 #endif
 436                         }
 437                 else if (strcmp(*argv,"-no_dhe") == 0)
 438                         no_dhe=1;
 439                 else if (strcmp(*argv,"-no_ecdhe") == 0)
 440                         no_ecdhe=1;
 441                 else if (strcmp(*argv,"-ssl2") == 0)
 442                         ssl2=1;
 443                 else if (strcmp(*argv,"-tls1") == 0)
 444                         tls1=1;
 445                 else if (strcmp(*argv,"-ssl3") == 0)
 446                         ssl3=1;
 447                 else if (strncmp(*argv,"-num",4) == 0)
 448                         {
 449                         if (--argc < 1) goto bad;
 450                         number= atoi(*(++argv));
 451                         if (number == 0) number=1;
 452                         }
 453                 else if (strcmp(*argv,"-bytes") == 0)
 454                         {
 455                         if (--argc < 1) goto bad;
 456                         bytes= atol(*(++argv));
 457                         if (bytes == 0L) bytes=1L;
 458                         i=strlen(argv[0]);
 459                         if (argv[0][i-1] == 'k') bytes*=1024L;
 460                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
 461                         }
 462                 else if (strcmp(*argv,"-cert") == 0)
 463                         {
 464                         if (--argc < 1) goto bad;
 465                         server_cert= *(++argv);
 466                         }
 467                 else if (strcmp(*argv,"-s_cert") == 0)
 468                         {
 469                         if (--argc < 1) goto bad;
 470                         server_cert= *(++argv);
 471                         }
 472                 else if (strcmp(*argv,"-key") == 0)
 473                         {
 474                         if (--argc < 1) goto bad;
 475                         server_key= *(++argv);
 476                         }
 477                 else if (strcmp(*argv,"-s_key") == 0)
 478                         {
 479                         if (--argc < 1) goto bad;
 480                         server_key= *(++argv);
 481                         }
 482                 else if (strcmp(*argv,"-c_cert") == 0)
 483                         {
 484                         if (--argc < 1) goto bad;
 485                         client_cert= *(++argv);
 486                         }
 487                 else if (strcmp(*argv,"-c_key") == 0)
 488                         {
 489                         if (--argc < 1) goto bad;
 490                         client_key= *(++argv);
 491                         }
 492                 else if (strcmp(*argv,"-cipher") == 0)
 493                         {
 494                         if (--argc < 1) goto bad;
 495                         cipher= *(++argv);
 496                         }
 497                 else if (strcmp(*argv,"-CApath") == 0)
 498                         {
 499                         if (--argc < 1) goto bad;
 500                         CApath= *(++argv);
 501                         }
 502                 else if (strcmp(*argv,"-CAfile") == 0)
 503                         {
 504                         if (--argc < 1) goto bad;
 505                         CAfile= *(++argv);
 506                         }
 507                 else if (strcmp(*argv,"-bio_pair") == 0)
 508                         {
 509                         bio_pair = 1;
 510                         }
 511                 else if (strcmp(*argv,"-f") == 0)
 512                         {
 513                         force = 1;
 514                         }
 515                 else if (strcmp(*argv,"-time") == 0)
 516                         {
 517                         print_time = 1;
 518                         }
 519                 else if (strcmp(*argv,"-zlib") == 0)
 520                         {
 521                         comp = COMP_ZLIB;
 522                         }
 523                 else if (strcmp(*argv,"-rle") == 0)
 524                         {
 525                         comp = COMP_RLE;
 526                         }
 527                 else if (strcmp(*argv,"-named_curve") == 0)
 528                         {
 529                         if (--argc < 1) goto bad;
 530 #ifndef OPENSSL_NO_ECDH
 531                         named_curve = *(++argv);
 532 #else
 533                         fprintf(stderr,"ignoring -named_curve, since I'm compiled without ECDH\n"
 534                         ++argv;
 535 #endif
 536                         }
 537                 else if (strcmp(*argv,"-app_verify") == 0)
 538                         {
 539                         app_verify = 1;
 540                         }
 541                 else
 542                         {
 543                         fprintf(stderr,"unknown option %s\n",*argv);
 544                         badop=1;
 545                         break;
 546                         }
 547                 argc--;
 548                 argv++;
 549                 }
 550         if (badop)
 551                 {
 552 bad:
 553                 sv_usage();
 554                 goto end;
 555                 }
 556
 557         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
 558                 {
 559                 fprintf(stderr, "This case cannot work.  Use -f to perform "
 560                         "the test anyway (and\n-d to see what happens), "
 561                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
 562                         "to avoid protocol mismatch.\n");
 563                 exit(1);
 564                 }
 565
 566         if (print_time)
 567                 {
 568                 if (!bio_pair)
 569                         {
 570                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
 571                         bio_pair = 1;
 572                         }
 573                 if (number < 50 && !force)
 574                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
 575                 }
 576
 577 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
 578
 579         SSL_library_init();
 580         SSL_load_error_strings();
 581
 582         if (comp == COMP_ZLIB) cm = COMP_zlib();
 583         if (comp == COMP_RLE) cm = COMP_rle();
 584         if (cm != NULL)
 585                 {
 586                 if (cm->type != NID_undef)
 587                         SSL_COMP_add_compression_method(comp, cm);
 588                 else
 589                         {
 590                         fprintf(stderr,
 591                                 "Warning: %s compression not supported\n",
 592                                 (comp == COMP_RLE ? "rle" :
 593                                         (comp == COMP_ZLIB ? "zlib" :
 594                                                 "unknown")));
 595                         ERR_print_errors_fp(stderr);
 596                         }
 597                 }
 598
 599 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 600         if (ssl2)
 601                 meth=SSLv2_method();
 602         else
 603         if (tls1)
 604                 meth=TLSv1_method();
 605         else
 606         if (ssl3)
 607                 meth=SSLv3_method();
 608         else
 609                 meth=SSLv23_method();
 610 #else
 611 #ifdef OPENSSL_NO_SSL2
 612         meth=SSLv3_method();
 613 #else
 614         meth=SSLv2_method();
 615 #endif
 616 #endif
 617
 618         c_ctx=SSL_CTX_new(meth);
 619         s_ctx=SSL_CTX_new(meth);
 620         if ((c_ctx == NULL) || (s_ctx == NULL))
 621                 {
 622                 ERR_print_errors(bio_err);
 623                 goto end;
 624                 }
 625
 626         if (cipher != NULL)
 627                 {
 628                 SSL_CTX_set_cipher_list(c_ctx,cipher);
 629                 SSL_CTX_set_cipher_list(s_ctx,cipher);
 630                 }
 631
 632 #ifndef OPENSSL_NO_DH
 633         if (!no_dhe)
 634                 {
 635                 if (dhe1024dsa)
 636                         {
 637                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
 638                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
 639                         dh=get_dh1024dsa();
 640                         }
 641                 else if (dhe1024)
 642                         dh=get_dh1024();
 643                 else
 644                         dh=get_dh512();
 645                 SSL_CTX_set_tmp_dh(s_ctx,dh);
 646                 DH_free(dh);
 647                 }
 648 #else
 649         (void)no_dhe;
 650 #endif
 651
 652 #ifndef OPENSSL_NO_ECDH
 653         if (!no_ecdhe)
 654                 {
 655                 ecdh = EC_KEY_new();
 656                 if (ecdh != NULL)
 657                         {
 658                         if (named_curve)
 659                                 {
 660                                 int nid = OBJ_sn2nid(named_curve);
 661
 662                                 if (nid == 0)
 663                                         {
 664                                         BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve);
 665                                         EC_KEY_free(ecdh);
 666                                         goto end;
 667                                         }
 668
 669                                 ecdh->group = EC_GROUP_new_by_nid(nid);
 670                                 if (ecdh->group == NULL)
 671                                         {
 672                                         BIO_printf(bio_err, "unable to create curve (%s)\n", named_curve);
 673                                         EC_KEY_free(ecdh);
 674                                         goto end;
 675                                         }
 676                                 }
 677
 678                         if (ecdh->group == NULL)
 679                                 ecdh->group=EC_GROUP_new_by_nid(NID_sect163r2);
 680
 681                         SSL_CTX_set_tmp_ecdh(s_ctx, ecdh);
 682                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_ECDH_USE);
 683                         EC_KEY_free(ecdh);
 684                         }
 685                 }
 686 #else
 687         (void)no_ecdhe;
 688 #endif
 689
 690 #ifndef OPENSSL_NO_RSA
 691         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
 692 #endif
 693
 694         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
 695                 {
 696                 ERR_print_errors(bio_err);
 697                 }
 698         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
 699                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
 700                 {
 701                 ERR_print_errors(bio_err);
 702                 goto end;
 703                 }
 704
 705         if (client_auth)
 706                 {
 707                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
 708                         SSL_FILETYPE_PEM);
 709                 SSL_CTX_use_PrivateKey_file(c_ctx,
 710                         (client_key?client_key:client_cert),
 711                         SSL_FILETYPE_PEM);
 712                 }
 713
 714         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
 715                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
 716                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
 717                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
 718                 {
 719                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
 720                 ERR_print_errors(bio_err);
 721                 /* goto end; */
 722                 }
 723
 724         if (client_auth)
 725                 {
 726                 BIO_printf(bio_err,"client authentication\n");
 727                 SSL_CTX_set_verify(s_ctx,
 728                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
 729                         verify_callback);
 730                 if (app_verify)
 731                         {
 732                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
 733                         }
 734                 }
 735         if (server_auth)
 736                 {
 737                 BIO_printf(bio_err,"server authentication\n");
 738                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
 739                         verify_callback);
 740                 if (app_verify)
 741                         {
 742                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
 743                         }
 744                 }
 745
 746         {
 747                 int session_id_context = 0;
 748                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
 749         }
 750
 751         c_ssl=SSL_new(c_ctx);
 752         s_ssl=SSL_new(s_ctx);
 753
 754 #ifndef OPENSSL_NO_KRB5
 755         if (c_ssl  &&  c_ssl->kssl_ctx)
 756                 {
 757                 char    localhost[257];
 758
 759                 if (gethostname(localhost, 256) == 0)
 760                         {
 761                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
 762                                 localhost);
 763                         }
 764                 }
 765 #endif    /* OPENSSL_NO_KRB5  */
 766
 767         for (i=0; i<number; i++)
 768                 {
 769                 if (!reuse) SSL_set_session(c_ssl,NULL);
 770                 if (bio_pair)
 771                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
 772                 else
 773                         ret=doit(s_ssl,c_ssl,bytes);
 774                 }
 775
 776         if (!verbose)
 777                 {
 778                 print_details(c_ssl, "");
 779                 }
 780         if ((number > 1) || (bytes > 1L))
 781                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
 782         if (print_time)
 783                 {
 784 #ifdef CLOCKS_PER_SEC
 785                 /* "To determine the time in seconds, the value returned
 786                  * by the clock function should be divided by the value
 787                  * of the macro CLOCKS_PER_SEC."
 788                  *                                       -- ISO/IEC 9899 */
 789                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
 790                         "Approximate total client time: %6.2f s\n",
 791                         (double)s_time/CLOCKS_PER_SEC,
 792                         (double)c_time/CLOCKS_PER_SEC);
 793 #else
 794                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
 795                  *                            -- cc on NeXTstep/OpenStep */
 796                 BIO_printf(bio_stdout,
 797                         "Approximate total server time: %6.2f units\n"
 798                         "Approximate total client time: %6.2f units\n",
 799                         (double)s_time,
 800                         (double)c_time);
 801 #endif
 802                 }
 803
 804         SSL_free(s_ssl);
 805         SSL_free(c_ssl);
 806
 807 end:
 808         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
 809         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
 810
 811         if (bio_stdout != NULL) BIO_free(bio_stdout);
 812
 813 #ifndef OPENSSL_NO_RSA
 814         free_tmp_rsa();
 815 #endif
 816         ENGINE_cleanup();
 817         CRYPTO_cleanup_all_ex_data();
 818         ERR_free_strings();
 819         ERR_remove_state(0);
 820         EVP_cleanup();
 821         CRYPTO_mem_leaks(bio_err);
 822         if (bio_err != NULL) BIO_free(bio_err);
 823         EXIT(ret);
 824         }
 825
 826 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
 827         clock_t *s_time, clock_t *c_time)
 828         {
 829         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
 830         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
 831         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
 832         int ret = 1;
 833
 834         size_t bufsiz = 256; /* small buffer for testing */
 835
 836         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
 837                 goto err;
 838         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
 839                 goto err;
 840
 841         s_ssl_bio = BIO_new(BIO_f_ssl());
 842         if (!s_ssl_bio)
 843                 goto err;
 844
 845         c_ssl_bio = BIO_new(BIO_f_ssl());
 846         if (!c_ssl_bio)
 847                 goto err;
 848
 849         SSL_set_connect_state(c_ssl);
 850         SSL_set_bio(c_ssl, client, client);
 851         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
 852
 853         SSL_set_accept_state(s_ssl);
 854         SSL_set_bio(s_ssl, server, server);
 855         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
 856
 857         do
 858                 {
 859                 /* c_ssl_bio:          SSL filter BIO
 860                  *
 861                  * client:             pseudo-I/O for SSL library
 862                  *
 863                  * client_io:          client's SSL communication; usually to be
 864                  *                     relayed over some I/O facility, but in this
 865                  *                     test program, we're the server, too:
 866                  *
 867                  * server_io:          server's SSL communication
 868                  *
 869                  * server:             pseudo-I/O for SSL library
 870                  *
 871                  * s_ssl_bio:          SSL filter BIO
 872                  *
 873                  * The client and the server each employ a "BIO pair":
 874                  * client + client_io, server + server_io.
 875                  * BIO pairs are symmetric.  A BIO pair behaves similar
 876                  * to a non-blocking socketpair (but both endpoints must
 877                  * be handled by the same thread).
 878                  * [Here we could connect client and server to the ends
 879                  * of a single BIO pair, but then this code would be less
 880                  * suitable as an example for BIO pairs in general.]
 881                  *
 882                  * Useful functions for querying the state of BIO pair endpoints:
 883                  *
 884                  * BIO_ctrl_pending(bio)              number of bytes we can read now
 885                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
 886                  *                                      other side's read attempt
 887                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
 888                  *
 889                  * ..._read_request is never more than ..._write_guarantee;
 890                  * it depends on the application which one you should use.
 891                  */
 892
 893                 /* We have non-blocking behaviour throughout this test program, but
 894                  * can be sure that there is *some* progress in each iteration; so
 895                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
 896                  * -- we just try everything in each iteration
 897                  */
 898
 899                         {
 900                         /* CLIENT */
 901
 902                         MS_STATIC char cbuf[1024*8];
 903                         int i, r;
 904                         clock_t c_clock = clock();
 905
 906                         if (debug)
 907                                 if (SSL_in_init(c_ssl))
 908                                         printf("client waiting in SSL_connect - %s\n",
 909                                                 SSL_state_string_long(c_ssl));
 910
 911                         if (cw_num > 0)
 912                                 {
 913                                 /* Write to server. */
 914
 915                                 if (cw_num > (long)sizeof cbuf)
 916                                         i = sizeof cbuf;
 917                                 else
 918                                         i = (int)cw_num;
 919                                 r = BIO_write(c_ssl_bio, cbuf, i);
 920                                 if (r < 0)
 921                                         {
 922                                         if (!BIO_should_retry(c_ssl_bio))
 923                                                 {
 924                                                 fprintf(stderr,"ERROR in CLIENT\n");
 925                                                 goto err;
 926                                                 }
 927                                         /* BIO_should_retry(...) can just be ignored here.
 928                                          * The library expects us to call BIO_write with
 929                                          * the same arguments again, and that's what we will
 930                                          * do in the next iteration. */
 931                                         }
 932                                 else if (r == 0)
 933                                         {
 934                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 935                                         goto err;
 936                                         }
 937                                 else
 938                                         {
 939                                         if (debug)
 940                                                 printf("client wrote %d\n", r);
 941                                         cw_num -= r;
 942                                         }
 943                                 }
 944
 945                         if (cr_num > 0)
 946                                 {
 947                                 /* Read from server. */
 948
 949                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
 950                                 if (r < 0)
 951                                         {
 952                                         if (!BIO_should_retry(c_ssl_bio))
 953                                                 {
 954                                                 fprintf(stderr,"ERROR in CLIENT\n");
 955                                                 goto err;
 956                                                 }
 957                                         /* Again, "BIO_should_retry" can be ignored. */
 958                                         }
 959                                 else if (r == 0)
 960                                         {
 961                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 962                                         goto err;
 963                                         }
 964                                 else
 965                                         {
 966                                         if (debug)
 967                                                 printf("client read %d\n", r);
 968                                         cr_num -= r;
 969                                         }
 970                                 }
 971
 972                         /* c_time and s_time increments will typically be very small
 973                          * (depending on machine speed and clock tick intervals),
 974                          * but sampling over a large number of connections should
 975                          * result in fairly accurate figures.  We cannot guarantee
 976                          * a lot, however -- if each connection lasts for exactly
 977                          * one clock tick, it will be counted only for the client
 978                          * or only for the server or even not at all.
 979                          */
 980                         *c_time += (clock() - c_clock);
 981                         }
 982
 983                         {
 984                         /* SERVER */
 985
 986                         MS_STATIC char sbuf[1024*8];
 987                         int i, r;
 988                         clock_t s_clock = clock();
 989
 990                         if (debug)
 991                                 if (SSL_in_init(s_ssl))
 992                                         printf("server waiting in SSL_accept - %s\n",
 993                                                 SSL_state_string_long(s_ssl));
 994
 995                         if (sw_num > 0)
 996                                 {
 997                                 /* Write to client. */
 998
 999                                 if (sw_num > (long)sizeof sbuf)
1000                                         i = sizeof sbuf;
1001                                 else
1002                                         i = (int)sw_num;
1003                                 r = BIO_write(s_ssl_bio, sbuf, i);
1004                                 if (r < 0)
1005                                         {
1006                                         if (!BIO_should_retry(s_ssl_bio))
1007                                                 {
1008                                                 fprintf(stderr,"ERROR in SERVER\n");
1009                                                 goto err;
1010                                                 }
1011                                         /* Ignore "BIO_should_retry". */
1012                                         }
1013                                 else if (r == 0)
1014                                         {
1015                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1016                                         goto err;
1017                                         }
1018                                 else
1019                                         {
1020                                         if (debug)
1021                                                 printf("server wrote %d\n", r);
1022                                         sw_num -= r;
1023                                         }
1024                                 }
1025
1026                         if (sr_num > 0)
1027                                 {
1028                                 /* Read from client. */
1029
1030                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
1031                                 if (r < 0)
1032                                         {
1033                                         if (!BIO_should_retry(s_ssl_bio))
1034                                                 {
1035                                                 fprintf(stderr,"ERROR in SERVER\n");
1036                                                 goto err;
1037                                                 }
1038                                         /* blah, blah */
1039                                         }
1040                                 else if (r == 0)
1041                                         {
1042                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1043                                         goto err;
1044                                         }
1045                                 else
1046                                         {
1047                                         if (debug)
1048                                                 printf("server read %d\n", r);
1049                                         sr_num -= r;
1050                                         }
1051                                 }
1052
1053                         *s_time += (clock() - s_clock);
1054                         }
1055
1056                         {
1057                         /* "I/O" BETWEEN CLIENT AND SERVER. */
1058
1059                         size_t r1, r2;
1060                         BIO *io1 = server_io, *io2 = client_io;
1061                         /* we use the non-copying interface for io1
1062                          * and the standard BIO_write/BIO_read interface for io2
1063                          */
1064
1065                         static int prev_progress = 1;
1066                         int progress = 0;
1067
1068                         /* io1 to io2 */
1069                         do
1070                                 {
1071                                 size_t num;
1072                                 int r;
1073
1074                                 r1 = BIO_ctrl_pending(io1);
1075                                 r2 = BIO_ctrl_get_write_guarantee(io2);
1076
1077                                 num = r1;
1078                                 if (r2 < num)
1079                                         num = r2;
1080                                 if (num)
1081                                         {
1082                                         char *dataptr;
1083
1084                                         if (INT_MAX < num) /* yeah, right */
1085                                                 num = INT_MAX;
1086
1087                                         r = BIO_nread(io1, &dataptr, (int)num);
1088                                         assert(r > 0);
1089                                         assert(r <= (int)num);
1090                                         /* possibly r < num (non-contiguous data) */
1091                                         num = r;
1092                                         r = BIO_write(io2, dataptr, (int)num);
1093                                         if (r != (int)num) /* can't happen */
1094                                                 {
1095                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1096                                                         "BIO_ctrl_get_write_guarantee() bytes");
1097                                                 goto err;
1098                                                 }
1099                                         progress = 1;
1100
1101                                         if (debug)
1102                                                 printf((io1 == client_io) ?
1103                                                         "C->S relaying: %d bytes\n" :
1104                                                         "S->C relaying: %d bytes\n",
1105                                                         (int)num);
1106                                         }
1107                                 }
1108                         while (r1 && r2);
1109
1110                         /* io2 to io1 */
1111                         {
1112                                 size_t num;
1113                                 int r;
1114
1115                                 r1 = BIO_ctrl_pending(io2);
1116                                 r2 = BIO_ctrl_get_read_request(io1);
1117                                 /* here we could use ..._get_write_guarantee instead of
1118                                  * ..._get_read_request, but by using the latter
1119                                  * we test restartability of the SSL implementation
1120                                  * more thoroughly */
1121                                 num = r1;
1122                                 if (r2 < num)
1123                                         num = r2;
1124                                 if (num)
1125                                         {
1126                                         char *dataptr;
1127
1128                                         if (INT_MAX < num)
1129                                                 num = INT_MAX;
1130
1131                                         if (num > 1)
1132                                                 --num; /* test restartability even more thoroughly */
1133
1134                                         r = BIO_nwrite0(io1, &dataptr);
1135                                         assert(r > 0);
1136                                         if (r < (int)num)
1137                                                 num = r;
1138                                         r = BIO_read(io2, dataptr, (int)num);
1139                                         if (r != (int)num) /* can't happen */
1140                                                 {
1141                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1142                                                         "BIO_ctrl_pending() bytes");
1143                                                 goto err;
1144                                                 }
1145                                         progress = 1;
1146                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1147                                         if (r != (int)num) /* can't happen */
1148                                                 {
1149                                                 fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
1150                                                         "BIO_nwrite0() bytes");
1151                                                 goto err;
1152                                                 }
1153
1154                                         if (debug)
1155                                                 printf((io2 == client_io) ?
1156                                                         "C->S relaying: %d bytes\n" :
1157                                                         "S->C relaying: %d bytes\n",
1158                                                         (int)num);
1159                                         }
1160                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1161
1162                         if (!progress && !prev_progress)
1163                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1164                                         {
1165                                         fprintf(stderr, "ERROR: got stuck\n");
1166                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1167                                                 {
1168                                                 fprintf(stderr, "This can happen for SSL2 because "
1169                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1170                                                         "concurrently ...");
1171                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1172                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1173                                                         {
1174                                                         fprintf(stderr, " ok.\n");
1175                                                         goto end;
1176                                                         }
1177                                                 }
1178                                         fprintf(stderr, " ERROR.\n");
1179                                         goto err;
1180                                         }
1181                         prev_progress = progress;
1182                         }
1183                 }
1184         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1185
1186         if (verbose)
1187                 print_details(c_ssl, "DONE via BIO pair: ");
1188 end:
1189         ret = 0;
1190
1191  err:
1192         ERR_print_errors(bio_err);
1193
1194         if (server)
1195                 BIO_free(server);
1196         if (server_io)
1197                 BIO_free(server_io);
1198         if (client)
1199                 BIO_free(client);
1200         if (client_io)
1201                 BIO_free(client_io);
1202         if (s_ssl_bio)
1203                 BIO_free(s_ssl_bio);
1204         if (c_ssl_bio)
1205                 BIO_free(c_ssl_bio);
1206
1207         return ret;
1208         }
1209
1210
1211 #define W_READ  1
1212 #define W_WRITE 2
1213 #define C_DONE  1
1214 #define S_DONE  2
1215
1216 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1217         {
1218         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1219         long cw_num=count,cr_num=count;
1220         long sw_num=count,sr_num=count;
1221         int ret=1;
1222         BIO *c_to_s=NULL;
1223         BIO *s_to_c=NULL;
1224         BIO *c_bio=NULL;
1225         BIO *s_bio=NULL;
1226         int c_r,c_w,s_r,s_w;
1227         int c_want,s_want;
1228         int i,j;
1229         int done=0;
1230         int c_write,s_write;
1231         int do_server=0,do_client=0;
1232
1233         c_to_s=BIO_new(BIO_s_mem());
1234         s_to_c=BIO_new(BIO_s_mem());
1235         if ((s_to_c == NULL) || (c_to_s == NULL))
1236                 {
1237                 ERR_print_errors(bio_err);
1238                 goto err;
1239                 }
1240
1241         c_bio=BIO_new(BIO_f_ssl());
1242         s_bio=BIO_new(BIO_f_ssl());
1243         if ((c_bio == NULL) || (s_bio == NULL))
1244                 {
1245                 ERR_print_errors(bio_err);
1246                 goto err;
1247                 }
1248
1249         SSL_set_connect_state(c_ssl);
1250         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1251         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1252
1253         SSL_set_accept_state(s_ssl);
1254         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1255         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1256
1257         c_r=0; s_r=1;
1258         c_w=1; s_w=0;
1259         c_want=W_WRITE;
1260         s_want=0;
1261         c_write=1,s_write=0;
1262
1263         /* We can always do writes */
1264         for (;;)
1265                 {
1266                 do_server=0;
1267                 do_client=0;
1268
1269                 i=(int)BIO_pending(s_bio);
1270                 if ((i && s_r) || s_w) do_server=1;
1271
1272                 i=(int)BIO_pending(c_bio);
1273                 if ((i && c_r) || c_w) do_client=1;
1274
1275                 if (do_server && debug)
1276                         {
1277                         if (SSL_in_init(s_ssl))
1278                                 printf("server waiting in SSL_accept - %s\n",
1279                                         SSL_state_string_long(s_ssl));
1280 /*                      else if (s_write)
1281                                 printf("server:SSL_write()\n");
1282                         else
1283                                 printf("server:SSL_read()\n"); */
1284                         }
1285
1286                 if (do_client && debug)
1287                         {
1288                         if (SSL_in_init(c_ssl))
1289                                 printf("client waiting in SSL_connect - %s\n",
1290                                         SSL_state_string_long(c_ssl));
1291 /*                      else if (c_write)
1292                                 printf("client:SSL_write()\n");
1293                         else
1294                                 printf("client:SSL_read()\n"); */
1295                         }
1296
1297                 if (!do_client && !do_server)
1298                         {
1299                         fprintf(stdout,"ERROR IN STARTUP\n");
1300                         ERR_print_errors(bio_err);
1301                         break;
1302                         }
1303                 if (do_client && !(done & C_DONE))
1304                         {
1305                         if (c_write)
1306                                 {
1307                                 j=(cw_num > (long)sizeof(cbuf))
1308                                         ?sizeof(cbuf):(int)cw_num;
1309                                 i=BIO_write(c_bio,cbuf,j);
1310                                 if (i < 0)
1311                                         {
1312                                         c_r=0;
1313                                         c_w=0;
1314                                         if (BIO_should_retry(c_bio))
1315                                                 {
1316                                                 if (BIO_should_read(c_bio))
1317                                                         c_r=1;
1318                                                 if (BIO_should_write(c_bio))
1319                                                         c_w=1;
1320                                                 }
1321                                         else
1322                                                 {
1323                                                 fprintf(stderr,"ERROR in CLIENT\n");
1324                                                 ERR_print_errors(bio_err);
1325                                                 goto err;
1326                                                 }
1327                                         }
1328                                 else if (i == 0)
1329                                         {
1330                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1331                                         goto err;
1332                                         }
1333                                 else
1334                                         {
1335                                         if (debug)
1336                                                 printf("client wrote %d\n",i);
1337                                         /* ok */
1338                                         s_r=1;
1339                                         c_write=0;
1340                                         cw_num-=i;
1341                                         }
1342                                 }
1343                         else
1344                                 {
1345                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1346                                 if (i < 0)
1347                                         {
1348                                         c_r=0;
1349                                         c_w=0;
1350                                         if (BIO_should_retry(c_bio))
1351                                                 {
1352                                                 if (BIO_should_read(c_bio))
1353                                                         c_r=1;
1354                                                 if (BIO_should_write(c_bio))
1355                                                         c_w=1;
1356                                                 }
1357                                         else
1358                                                 {
1359                                                 fprintf(stderr,"ERROR in CLIENT\n");
1360                                                 ERR_print_errors(bio_err);
1361                                                 goto err;
1362                                                 }
1363                                         }
1364                                 else if (i == 0)
1365                                         {
1366                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1367                                         goto err;
1368                                         }
1369                                 else
1370                                         {
1371                                         if (debug)
1372                                                 printf("client read %d\n",i);
1373                                         cr_num-=i;
1374                                         if (sw_num > 0)
1375                                                 {
1376                                                 s_write=1;
1377                                                 s_w=1;
1378                                                 }
1379                                         if (cr_num <= 0)
1380                                                 {
1381                                                 s_write=1;
1382                                                 s_w=1;
1383                                                 done=S_DONE|C_DONE;
1384                                                 }
1385                                         }
1386                                 }
1387                         }
1388
1389                 if (do_server && !(done & S_DONE))
1390                         {
1391                         if (!s_write)
1392                                 {
1393                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1394                                 if (i < 0)
1395                                         {
1396                                         s_r=0;
1397                                         s_w=0;
1398                                         if (BIO_should_retry(s_bio))
1399                                                 {
1400                                                 if (BIO_should_read(s_bio))
1401                                                         s_r=1;
1402                                                 if (BIO_should_write(s_bio))
1403                                                         s_w=1;
1404                                                 }
1405                                         else
1406                                                 {
1407                                                 fprintf(stderr,"ERROR in SERVER\n");
1408                                                 ERR_print_errors(bio_err);
1409                                                 goto err;
1410                                                 }
1411                                         }
1412                                 else if (i == 0)
1413                                         {
1414                                         ERR_print_errors(bio_err);
1415                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1416                                         goto err;
1417                                         }
1418                                 else
1419                                         {
1420                                         if (debug)
1421                                                 printf("server read %d\n",i);
1422                                         sr_num-=i;
1423                                         if (cw_num > 0)
1424                                                 {
1425                                                 c_write=1;
1426                                                 c_w=1;
1427                                                 }
1428                                         if (sr_num <= 0)
1429                                                 {
1430                                                 s_write=1;
1431                                                 s_w=1;
1432                                                 c_write=0;
1433                                                 }
1434                                         }
1435                                 }
1436                         else
1437                                 {
1438                                 j=(sw_num > (long)sizeof(sbuf))?
1439                                         sizeof(sbuf):(int)sw_num;
1440                                 i=BIO_write(s_bio,sbuf,j);
1441                                 if (i < 0)
1442                                         {
1443                                         s_r=0;
1444                                         s_w=0;
1445                                         if (BIO_should_retry(s_bio))
1446                                                 {
1447                                                 if (BIO_should_read(s_bio))
1448                                                         s_r=1;
1449                                                 if (BIO_should_write(s_bio))
1450                                                         s_w=1;
1451                                                 }
1452                                         else
1453                                                 {
1454                                                 fprintf(stderr,"ERROR in SERVER\n");
1455                                                 ERR_print_errors(bio_err);
1456                                                 goto err;
1457                                                 }
1458                                         }
1459                                 else if (i == 0)
1460                                         {
1461                                         ERR_print_errors(bio_err);
1462                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1463                                         goto err;
1464                                         }
1465                                 else
1466                                         {
1467                                         if (debug)
1468                                                 printf("server wrote %d\n",i);
1469                                         sw_num-=i;
1470                                         s_write=0;
1471                                         c_r=1;
1472                                         if (sw_num <= 0)
1473                                                 done|=S_DONE;
1474                                         }
1475                                 }
1476                         }
1477
1478                 if ((done & S_DONE) && (done & C_DONE)) break;
1479                 }
1480
1481         if (verbose)
1482                 print_details(c_ssl, "DONE: ");
1483         ret=0;
1484 err:
1485         /* We have to set the BIO's to NULL otherwise they will be
1486          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1487          * again when c_ssl is SSL_free()ed.
1488          * This is a hack required because s_ssl and c_ssl are sharing the same
1489          * BIO structure and SSL_set_bio() and SSL_free() automatically
1490          * BIO_free non NULL entries.
1491          * You should not normally do this or be required to do this */
1492         if (s_ssl != NULL)
1493                 {
1494                 s_ssl->rbio=NULL;
1495                 s_ssl->wbio=NULL;
1496                 }
1497         if (c_ssl != NULL)
1498                 {
1499                 c_ssl->rbio=NULL;
1500                 c_ssl->wbio=NULL;
1501                 }
1502
1503         if (c_to_s != NULL) BIO_free(c_to_s);
1504         if (s_to_c != NULL) BIO_free(s_to_c);
1505         if (c_bio != NULL) BIO_free_all(c_bio);
1506         if (s_bio != NULL) BIO_free_all(s_bio);
1507         return(ret);
1508         }
1509
1510 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1511         {
1512         char *s,buf[256];
1513
1514         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,256);
1515         if (s != NULL)
1516                 {
1517                 if (ok)
1518                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1519                 else
1520                         fprintf(stderr,"depth=%d error=%d %s\n",
1521                                 ctx->error_depth,ctx->error,buf);
1522                 }
1523
1524         if (ok == 0)
1525                 {
1526                 switch (ctx->error)
1527                         {
1528                 case X509_V_ERR_CERT_NOT_YET_VALID:
1529                 case X509_V_ERR_CERT_HAS_EXPIRED:
1530                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1531                         ok=1;
1532                         }
1533                 }
1534
1535         return(ok);
1536         }
1537
1538 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
1539         {
1540         char *s = NULL,buf[256];
1541         int ok=1;
1542
1543         fprintf(stderr, "In app_verify_callback, allowing cert. ");
1544         fprintf(stderr, "Arg is: %s\n", (char *)arg);
1545         fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
1546                         (unsigned int)ctx, (unsigned int)ctx->cert);
1547         if (ctx->cert)
1548                 s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
1549         if (s != NULL)
1550                 {
1551                         fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
1552                 }
1553
1554         return(ok);
1555         }
1556
1557 #ifndef OPENSSL_NO_RSA
1558 static RSA *rsa_tmp=NULL;
1559
1560 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1561         {
1562         if (rsa_tmp == NULL)
1563                 {
1564                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1565                 (void)BIO_flush(bio_err);
1566                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1567                 BIO_printf(bio_err,"\n");
1568                 (void)BIO_flush(bio_err);
1569                 }
1570         return(rsa_tmp);
1571         }
1572
1573 static void free_tmp_rsa(void)
1574         {
1575         if (rsa_tmp != NULL)
1576                 {
1577                 RSA_free(rsa_tmp);
1578                 rsa_tmp = NULL;
1579                 }
1580         }
1581 #endif
1582
1583 #ifndef OPENSSL_NO_DH
1584 /* These DH parameters have been generated as follows:
1585  *    $ openssl dhparam -C -noout 512
1586  *    $ openssl dhparam -C -noout 1024
1587  *    $ openssl dhparam -C -noout -dsaparam 1024
1588  * (The third function has been renamed to avoid name conflicts.)
1589  */
1590 static DH *get_dh512()
1591         {
1592         static unsigned char dh512_p[]={
1593                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1594                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1595                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1596                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1597                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1598                 0x02,0xC5,0xAE,0x23,
1599                 };
1600         static unsigned char dh512_g[]={
1601                 0x02,
1602                 };
1603         DH *dh;
1604
1605         if ((dh=DH_new()) == NULL) return(NULL);
1606         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1607         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1608         if ((dh->p == NULL) || (dh->g == NULL))
1609                 { DH_free(dh); return(NULL); }
1610         return(dh);
1611         }
1612
1613 static DH *get_dh1024()
1614         {
1615         static unsigned char dh1024_p[]={
1616                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1617                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1618                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1619                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1620                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1621                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1622                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1623                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1624                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1625                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1626                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1627                 };
1628         static unsigned char dh1024_g[]={
1629                 0x02,
1630                 };
1631         DH *dh;
1632
1633         if ((dh=DH_new()) == NULL) return(NULL);
1634         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1635         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1636         if ((dh->p == NULL) || (dh->g == NULL))
1637                 { DH_free(dh); return(NULL); }
1638         return(dh);
1639         }
1640
1641 static DH *get_dh1024dsa()
1642         {
1643         static unsigned char dh1024_p[]={
1644                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1645                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1646                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1647                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1648                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1649                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1650                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1651                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1652                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1653                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1654                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1655                 };
1656         static unsigned char dh1024_g[]={
1657                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1658                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1659                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1660                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1661                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1662                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1663                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1664                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1665                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1666                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1667                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1668                 };
1669         DH *dh;
1670
1671         if ((dh=DH_new()) == NULL) return(NULL);
1672         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1673         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1674         if ((dh->p == NULL) || (dh->g == NULL))
1675                 { DH_free(dh); return(NULL); }
1676         dh->length = 160;
1677         return(dh);
1678         }
1679 #endif