crypto/openssl-0.9.7d/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 _BSD_SOURCE 1           /* Or gethostname won't be declared properly
 113                                    on Linux and GNU platforms. */
 114
 115 #include <assert.h>
 116 #include <errno.h>
 117 #include <limits.h>
 118 #include <stdio.h>
 119 #include <stdlib.h>
 120 #include <string.h>
 121 #include <time.h>
 122
 123 #define USE_SOCKETS
 124 #include "e_os.h"
 125
 126 #include <openssl/bio.h>
 127 #include <openssl/crypto.h>
 128 #include <openssl/evp.h>
 129 #include <openssl/x509.h>
 130 #include <openssl/ssl.h>
 131 #ifndef OPENSSL_NO_ENGINE
 132 #include <openssl/engine.h>
 133 #endif
 134 #include <openssl/err.h>
 135 #include <openssl/rand.h>
 136
 137 #define _XOPEN_SOURCE_EXTENDED  1 /* Or gethostname won't be declared properly
 138                                      on Compaq platforms (at least with DEC C).
 139                                      Do not try to put it earlier, or IPv6 includes
 140                                      get screwed...
 141                                   */
 142
 143 #ifdef OPENSSL_SYS_WINDOWS
 144 #include <winsock.h>
 145 #else
 146 #include OPENSSL_UNISTD
 147 #endif
 148
 149 #ifdef OPENSSL_SYS_VMS
 150 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
 151 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
 152 #elif defined(OPENSSL_SYS_WINCE)
 153 #  define TEST_SERVER_CERT "\\OpenSSL\\server.pem"
 154 #  define TEST_CLIENT_CERT "\\OpenSSL\\client.pem"
 155 #else
 156 #  define TEST_SERVER_CERT "../apps/server.pem"
 157 #  define TEST_CLIENT_CERT "../apps/client.pem"
 158 #endif
 159
 160 /* There is really no standard for this, so let's assign some tentative
 161    numbers.  In any case, these numbers are only for this test */
 162 #define COMP_RLE        1
 163 #define COMP_ZLIB       2
 164
 165 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
 166 #ifndef OPENSSL_NO_RSA
 167 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
 168 static void free_tmp_rsa(void);
 169 #endif
 170 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg);
 171 #define APP_CALLBACK "Test Callback Argument"
 172 static char *app_verify_arg = APP_CALLBACK;
 173
 174 #ifndef OPENSSL_NO_DH
 175 static DH *get_dh512(void);
 176 static DH *get_dh1024(void);
 177 static DH *get_dh1024dsa(void);
 178 #endif
 179
 180 static BIO *bio_err=NULL;
 181 static BIO *bio_stdout=NULL;
 182
 183 static char *cipher=NULL;
 184 static int verbose=0;
 185 static int debug=0;
 186 #if 0
 187 /* Not used yet. */
 188 #ifdef FIONBIO
 189 static int s_nbio=0;
 190 #endif
 191 #endif
 192
 193 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
 194
 195 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
 196 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
 197 static void sv_usage(void)
 198         {
 199         fprintf(stderr,"usage: ssltest [args ...]\n");
 200         fprintf(stderr,"\n");
 201         fprintf(stderr," -server_auth  - check server certificate\n");
 202         fprintf(stderr," -client_auth  - do client authentication\n");
 203         fprintf(stderr," -v            - more output\n");
 204         fprintf(stderr," -d            - debug output\n");
 205         fprintf(stderr," -reuse        - use session-id reuse\n");
 206         fprintf(stderr," -num <val>    - number of connections to perform\n");
 207         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
 208 #ifndef OPENSSL_NO_DH
 209         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
 210         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
 211         fprintf(stderr," -no_dhe       - disable DHE\n");
 212 #endif
 213 #ifndef OPENSSL_NO_SSL2
 214         fprintf(stderr," -ssl2         - use SSLv2\n");
 215 #endif
 216 #ifndef OPENSSL_NO_SSL3
 217         fprintf(stderr," -ssl3         - use SSLv3\n");
 218 #endif
 219 #ifndef OPENSSL_NO_TLS1
 220         fprintf(stderr," -tls1         - use TLSv1\n");
 221 #endif
 222         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
 223         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
 224         fprintf(stderr," -cert arg     - Server certificate file\n");
 225         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
 226         fprintf(stderr," -c_cert arg   - Client certificate file\n");
 227         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
 228         fprintf(stderr," -cipher arg   - The cipher list\n");
 229         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
 230         fprintf(stderr," -f            - Test even cases that can't work\n");
 231         fprintf(stderr," -time         - measure processor time used by client and server\n");
 232         fprintf(stderr," -zlib         - use zlib compression\n");
 233         fprintf(stderr," -time         - use rle compression\n");
 234         }
 235
 236 static void print_details(SSL *c_ssl, const char *prefix)
 237         {
 238         SSL_CIPHER *ciph;
 239         X509 *cert;
 240
 241         ciph=SSL_get_current_cipher(c_ssl);
 242         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
 243                 prefix,
 244                 SSL_get_version(c_ssl),
 245                 SSL_CIPHER_get_version(ciph),
 246                 SSL_CIPHER_get_name(ciph));
 247         cert=SSL_get_peer_certificate(c_ssl);
 248         if (cert != NULL)
 249                 {
 250                 EVP_PKEY *pkey = X509_get_pubkey(cert);
 251                 if (pkey != NULL)
 252                         {
 253                         if (0)
 254                                 ;
 255 #ifndef OPENSSL_NO_RSA
 256                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
 257                                 && pkey->pkey.rsa->n != NULL)
 258                                 {
 259                                 BIO_printf(bio_stdout, ", %d bit RSA",
 260                                         BN_num_bits(pkey->pkey.rsa->n));
 261                                 }
 262 #endif
 263 #ifndef OPENSSL_NO_DSA
 264                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
 265                                 && pkey->pkey.dsa->p != NULL)
 266                                 {
 267                                 BIO_printf(bio_stdout, ", %d bit DSA",
 268                                         BN_num_bits(pkey->pkey.dsa->p));
 269                                 }
 270 #endif
 271                         EVP_PKEY_free(pkey);
 272                         }
 273                 X509_free(cert);
 274                 }
 275         /* The SSL API does not allow us to look at temporary RSA/DH keys,
 276          * otherwise we should print their lengths too */
 277         BIO_printf(bio_stdout,"\n");
 278         }
 279
 280 static void lock_dbg_cb(int mode, int type, const char *file, int line)
 281         {
 282         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
 283         const char *errstr = NULL;
 284         int rw;
 285
 286         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
 287         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
 288                 {
 289                 errstr = "invalid mode";
 290                 goto err;
 291                 }
 292
 293         if (type < 0 || type >= CRYPTO_NUM_LOCKS)
 294                 {
 295                 errstr = "type out of bounds";
 296                 goto err;
 297                 }
 298
 299         if (mode & CRYPTO_LOCK)
 300                 {
 301                 if (modes[type])
 302                         {
 303                         errstr = "already locked";
 304                         /* must not happen in a single-threaded program
 305                          * (would deadlock) */
 306                         goto err;
 307                         }
 308
 309                 modes[type] = rw;
 310                 }
 311         else if (mode & CRYPTO_UNLOCK)
 312                 {
 313                 if (!modes[type])
 314                         {
 315                         errstr = "not locked";
 316                         goto err;
 317                         }
 318
 319                 if (modes[type] != rw)
 320                         {
 321                         errstr = (rw == CRYPTO_READ) ?
 322                                 "CRYPTO_r_unlock on write lock" :
 323                                 "CRYPTO_w_unlock on read lock";
 324                         }
 325
 326                 modes[type] = 0;
 327                 }
 328         else
 329                 {
 330                 errstr = "invalid mode";
 331                 goto err;
 332                 }
 333
 334  err:
 335         if (errstr)
 336                 {
 337                 /* we cannot use bio_err here */
 338                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
 339                         errstr, mode, type, file, line);
 340                 }
 341         }
 342
 343 int main(int argc, char *argv[])
 344         {
 345         char *CApath=NULL,*CAfile=NULL;
 346         int badop=0;
 347         int bio_pair=0;
 348         int force=0;
 349         int tls1=0,ssl2=0,ssl3=0,ret=1;
 350         int client_auth=0;
 351         int server_auth=0,i;
 352         int app_verify=0;
 353         char *server_cert=TEST_SERVER_CERT;
 354         char *server_key=NULL;
 355         char *client_cert=TEST_CLIENT_CERT;
 356         char *client_key=NULL;
 357         SSL_CTX *s_ctx=NULL;
 358         SSL_CTX *c_ctx=NULL;
 359         SSL_METHOD *meth=NULL;
 360         SSL *c_ssl,*s_ssl;
 361         int number=1,reuse=0;
 362         long bytes=1L;
 363 #ifndef OPENSSL_NO_DH
 364         DH *dh;
 365         int dhe1024 = 0, dhe1024dsa = 0;
 366 #endif
 367         int no_dhe = 0;
 368         int print_time = 0;
 369         clock_t s_time = 0, c_time = 0;
 370         int comp = 0;
 371         COMP_METHOD *cm = NULL;
 372
 373         verbose = 0;
 374         debug = 0;
 375         cipher = 0;
 376
 377         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 378
 379         CRYPTO_set_locking_callback(lock_dbg_cb);
 380
 381         /* enable memory leak checking unless explicitly disabled */
 382         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
 383                 {
 384                 CRYPTO_malloc_debug_init();
 385                 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
 386                 }
 387         else
 388                 {
 389                 /* OPENSSL_DEBUG_MEMORY=off */
 390                 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
 391                 }
 392         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 393
 394         RAND_seed(rnd_seed, sizeof rnd_seed);
 395
 396         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
 397
 398         argc--;
 399         argv++;
 400
 401         while (argc >= 1)
 402                 {
 403                 if      (strcmp(*argv,"-server_auth") == 0)
 404                         server_auth=1;
 405                 else if (strcmp(*argv,"-client_auth") == 0)
 406                         client_auth=1;
 407                 else if (strcmp(*argv,"-v") == 0)
 408                         verbose=1;
 409                 else if (strcmp(*argv,"-d") == 0)
 410                         debug=1;
 411                 else if (strcmp(*argv,"-reuse") == 0)
 412                         reuse=1;
 413                 else if (strcmp(*argv,"-dhe1024") == 0)
 414                         {
 415 #ifndef OPENSSL_NO_DH
 416                         dhe1024=1;
 417 #else
 418                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
 419 #endif
 420                         }
 421                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
 422                         {
 423 #ifndef OPENSSL_NO_DH
 424                         dhe1024dsa=1;
 425 #else
 426                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
 427 #endif
 428                         }
 429                 else if (strcmp(*argv,"-no_dhe") == 0)
 430                         no_dhe=1;
 431                 else if (strcmp(*argv,"-ssl2") == 0)
 432                         ssl2=1;
 433                 else if (strcmp(*argv,"-tls1") == 0)
 434                         tls1=1;
 435                 else if (strcmp(*argv,"-ssl3") == 0)
 436                         ssl3=1;
 437                 else if (strncmp(*argv,"-num",4) == 0)
 438                         {
 439                         if (--argc < 1) goto bad;
 440                         number= atoi(*(++argv));
 441                         if (number == 0) number=1;
 442                         }
 443                 else if (strcmp(*argv,"-bytes") == 0)
 444                         {
 445                         if (--argc < 1) goto bad;
 446                         bytes= atol(*(++argv));
 447                         if (bytes == 0L) bytes=1L;
 448                         i=strlen(argv[0]);
 449                         if (argv[0][i-1] == 'k') bytes*=1024L;
 450                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
 451                         }
 452                 else if (strcmp(*argv,"-cert") == 0)
 453                         {
 454                         if (--argc < 1) goto bad;
 455                         server_cert= *(++argv);
 456                         }
 457                 else if (strcmp(*argv,"-s_cert") == 0)
 458                         {
 459                         if (--argc < 1) goto bad;
 460                         server_cert= *(++argv);
 461                         }
 462                 else if (strcmp(*argv,"-key") == 0)
 463                         {
 464                         if (--argc < 1) goto bad;
 465                         server_key= *(++argv);
 466                         }
 467                 else if (strcmp(*argv,"-s_key") == 0)
 468                         {
 469                         if (--argc < 1) goto bad;
 470                         server_key= *(++argv);
 471                         }
 472                 else if (strcmp(*argv,"-c_cert") == 0)
 473                         {
 474                         if (--argc < 1) goto bad;
 475                         client_cert= *(++argv);
 476                         }
 477                 else if (strcmp(*argv,"-c_key") == 0)
 478                         {
 479                         if (--argc < 1) goto bad;
 480                         client_key= *(++argv);
 481                         }
 482                 else if (strcmp(*argv,"-cipher") == 0)
 483                         {
 484                         if (--argc < 1) goto bad;
 485                         cipher= *(++argv);
 486                         }
 487                 else if (strcmp(*argv,"-CApath") == 0)
 488                         {
 489                         if (--argc < 1) goto bad;
 490                         CApath= *(++argv);
 491                         }
 492                 else if (strcmp(*argv,"-CAfile") == 0)
 493                         {
 494                         if (--argc < 1) goto bad;
 495                         CAfile= *(++argv);
 496                         }
 497                 else if (strcmp(*argv,"-bio_pair") == 0)
 498                         {
 499                         bio_pair = 1;
 500                         }
 501                 else if (strcmp(*argv,"-f") == 0)
 502                         {
 503                         force = 1;
 504                         }
 505                 else if (strcmp(*argv,"-time") == 0)
 506                         {
 507                         print_time = 1;
 508                         }
 509                 else if (strcmp(*argv,"-zlib") == 0)
 510                         {
 511                         comp = COMP_ZLIB;
 512                         }
 513                 else if (strcmp(*argv,"-rle") == 0)
 514                         {
 515                         comp = COMP_RLE;
 516                         }
 517                 else if (strcmp(*argv,"-app_verify") == 0)
 518                         {
 519                         app_verify = 1;
 520                         }
 521                 else
 522                         {
 523                         fprintf(stderr,"unknown option %s\n",*argv);
 524                         badop=1;
 525                         break;
 526                         }
 527                 argc--;
 528                 argv++;
 529                 }
 530         if (badop)
 531                 {
 532 bad:
 533                 sv_usage();
 534                 goto end;
 535                 }
 536
 537         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
 538                 {
 539                 fprintf(stderr, "This case cannot work.  Use -f to perform "
 540                         "the test anyway (and\n-d to see what happens), "
 541                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
 542                         "to avoid protocol mismatch.\n");
 543                 EXIT(1);
 544                 }
 545
 546         if (print_time)
 547                 {
 548                 if (!bio_pair)
 549                         {
 550                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
 551                         bio_pair = 1;
 552                         }
 553                 if (number < 50 && !force)
 554                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
 555                 }
 556
 557 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
 558
 559         SSL_library_init();
 560         SSL_load_error_strings();
 561
 562         if (comp == COMP_ZLIB) cm = COMP_zlib();
 563         if (comp == COMP_RLE) cm = COMP_rle();
 564         if (cm != NULL)
 565                 {
 566                 if (cm->type != NID_undef)
 567                         {
 568                         if (SSL_COMP_add_compression_method(comp, cm) != 0)
 569                                 {
 570                                 fprintf(stderr,
 571                                         "Failed to add compression method\n");
 572                                 ERR_print_errors_fp(stderr);
 573                                 }
 574                         }
 575                 else
 576                         {
 577                         fprintf(stderr,
 578                                 "Warning: %s compression not supported\n",
 579                                 (comp == COMP_RLE ? "rle" :
 580                                         (comp == COMP_ZLIB ? "zlib" :
 581                                                 "unknown")));
 582                         ERR_print_errors_fp(stderr);
 583                         }
 584                 }
 585
 586 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 587         if (ssl2)
 588                 meth=SSLv2_method();
 589         else
 590         if (tls1)
 591                 meth=TLSv1_method();
 592         else
 593         if (ssl3)
 594                 meth=SSLv3_method();
 595         else
 596                 meth=SSLv23_method();
 597 #else
 598 #ifdef OPENSSL_NO_SSL2
 599         meth=SSLv3_method();
 600 #else
 601         meth=SSLv2_method();
 602 #endif
 603 #endif
 604
 605         c_ctx=SSL_CTX_new(meth);
 606         s_ctx=SSL_CTX_new(meth);
 607         if ((c_ctx == NULL) || (s_ctx == NULL))
 608                 {
 609                 ERR_print_errors(bio_err);
 610                 goto end;
 611                 }
 612
 613         if (cipher != NULL)
 614                 {
 615                 SSL_CTX_set_cipher_list(c_ctx,cipher);
 616                 SSL_CTX_set_cipher_list(s_ctx,cipher);
 617                 }
 618
 619 #ifndef OPENSSL_NO_DH
 620         if (!no_dhe)
 621                 {
 622                 if (dhe1024dsa)
 623                         {
 624                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
 625                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
 626                         dh=get_dh1024dsa();
 627                         }
 628                 else if (dhe1024)
 629                         dh=get_dh1024();
 630                 else
 631                         dh=get_dh512();
 632                 SSL_CTX_set_tmp_dh(s_ctx,dh);
 633                 DH_free(dh);
 634                 }
 635 #else
 636         (void)no_dhe;
 637 #endif
 638
 639 #ifndef OPENSSL_NO_RSA
 640         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
 641 #endif
 642
 643         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
 644                 {
 645                 ERR_print_errors(bio_err);
 646                 }
 647         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
 648                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
 649                 {
 650                 ERR_print_errors(bio_err);
 651                 goto end;
 652                 }
 653
 654         if (client_auth)
 655                 {
 656                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
 657                         SSL_FILETYPE_PEM);
 658                 SSL_CTX_use_PrivateKey_file(c_ctx,
 659                         (client_key?client_key:client_cert),
 660                         SSL_FILETYPE_PEM);
 661                 }
 662
 663         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
 664                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
 665                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
 666                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
 667                 {
 668                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
 669                 ERR_print_errors(bio_err);
 670                 /* goto end; */
 671                 }
 672
 673         if (client_auth)
 674                 {
 675                 BIO_printf(bio_err,"client authentication\n");
 676                 SSL_CTX_set_verify(s_ctx,
 677                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
 678                         verify_callback);
 679                 if (app_verify)
 680                         {
 681                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
 682                         }
 683                 }
 684         if (server_auth)
 685                 {
 686                 BIO_printf(bio_err,"server authentication\n");
 687                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
 688                         verify_callback);
 689                 if (app_verify)
 690                         {
 691                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
 692                         }
 693                 }
 694
 695         {
 696                 int session_id_context = 0;
 697                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
 698         }
 699
 700         c_ssl=SSL_new(c_ctx);
 701         s_ssl=SSL_new(s_ctx);
 702
 703 #ifndef OPENSSL_NO_KRB5
 704         if (c_ssl  &&  c_ssl->kssl_ctx)
 705                 {
 706                 char    localhost[MAXHOSTNAMELEN+2];
 707
 708                 if (gethostname(localhost, sizeof localhost-1) == 0)
 709                         {
 710                         localhost[sizeof localhost-1]='\0';
 711                         if(strlen(localhost) == sizeof localhost-1)
 712                                 {
 713                                 BIO_printf(bio_err,"localhost name too long\n");
 714                                 goto end;
 715                                 }
 716                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
 717                                 localhost);
 718                         }
 719                 }
 720 #endif    /* OPENSSL_NO_KRB5  */
 721
 722         for (i=0; i<number; i++)
 723                 {
 724                 if (!reuse) SSL_set_session(c_ssl,NULL);
 725                 if (bio_pair)
 726                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
 727                 else
 728                         ret=doit(s_ssl,c_ssl,bytes);
 729                 }
 730
 731         if (!verbose)
 732                 {
 733                 print_details(c_ssl, "");
 734                 }
 735         if ((number > 1) || (bytes > 1L))
 736                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
 737         if (print_time)
 738                 {
 739 #ifdef CLOCKS_PER_SEC
 740                 /* "To determine the time in seconds, the value returned
 741                  * by the clock function should be divided by the value
 742                  * of the macro CLOCKS_PER_SEC."
 743                  *                                       -- ISO/IEC 9899 */
 744                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
 745                         "Approximate total client time: %6.2f s\n",
 746                         (double)s_time/CLOCKS_PER_SEC,
 747                         (double)c_time/CLOCKS_PER_SEC);
 748 #else
 749                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
 750                  *                            -- cc on NeXTstep/OpenStep */
 751                 BIO_printf(bio_stdout,
 752                         "Approximate total server time: %6.2f units\n"
 753                         "Approximate total client time: %6.2f units\n",
 754                         (double)s_time,
 755                         (double)c_time);
 756 #endif
 757                 }
 758
 759         SSL_free(s_ssl);
 760         SSL_free(c_ssl);
 761
 762 end:
 763         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
 764         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
 765
 766         if (bio_stdout != NULL) BIO_free(bio_stdout);
 767
 768 #ifndef OPENSSL_NO_RSA
 769         free_tmp_rsa();
 770 #endif
 771 #ifndef OPENSSL_NO_ENGINE
 772         ENGINE_cleanup();
 773 #endif
 774         CRYPTO_cleanup_all_ex_data();
 775         ERR_free_strings();
 776         ERR_remove_state(0);
 777         EVP_cleanup();
 778         CRYPTO_mem_leaks(bio_err);
 779         if (bio_err != NULL) BIO_free(bio_err);
 780         EXIT(ret);
 781         }
 782
 783 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
 784         clock_t *s_time, clock_t *c_time)
 785         {
 786         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
 787         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
 788         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
 789         int ret = 1;
 790
 791         size_t bufsiz = 256; /* small buffer for testing */
 792
 793         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
 794                 goto err;
 795         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
 796                 goto err;
 797
 798         s_ssl_bio = BIO_new(BIO_f_ssl());
 799         if (!s_ssl_bio)
 800                 goto err;
 801
 802         c_ssl_bio = BIO_new(BIO_f_ssl());
 803         if (!c_ssl_bio)
 804                 goto err;
 805
 806         SSL_set_connect_state(c_ssl);
 807         SSL_set_bio(c_ssl, client, client);
 808         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
 809
 810         SSL_set_accept_state(s_ssl);
 811         SSL_set_bio(s_ssl, server, server);
 812         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
 813
 814         do
 815                 {
 816                 /* c_ssl_bio:          SSL filter BIO
 817                  *
 818                  * client:             pseudo-I/O for SSL library
 819                  *
 820                  * client_io:          client's SSL communication; usually to be
 821                  *                     relayed over some I/O facility, but in this
 822                  *                     test program, we're the server, too:
 823                  *
 824                  * server_io:          server's SSL communication
 825                  *
 826                  * server:             pseudo-I/O for SSL library
 827                  *
 828                  * s_ssl_bio:          SSL filter BIO
 829                  *
 830                  * The client and the server each employ a "BIO pair":
 831                  * client + client_io, server + server_io.
 832                  * BIO pairs are symmetric.  A BIO pair behaves similar
 833                  * to a non-blocking socketpair (but both endpoints must
 834                  * be handled by the same thread).
 835                  * [Here we could connect client and server to the ends
 836                  * of a single BIO pair, but then this code would be less
 837                  * suitable as an example for BIO pairs in general.]
 838                  *
 839                  * Useful functions for querying the state of BIO pair endpoints:
 840                  *
 841                  * BIO_ctrl_pending(bio)              number of bytes we can read now
 842                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
 843                  *                                      other side's read attempt
 844                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
 845                  *
 846                  * ..._read_request is never more than ..._write_guarantee;
 847                  * it depends on the application which one you should use.
 848                  */
 849
 850                 /* We have non-blocking behaviour throughout this test program, but
 851                  * can be sure that there is *some* progress in each iteration; so
 852                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
 853                  * -- we just try everything in each iteration
 854                  */
 855
 856                         {
 857                         /* CLIENT */
 858
 859                         MS_STATIC char cbuf[1024*8];
 860                         int i, r;
 861                         clock_t c_clock = clock();
 862
 863                         memset(cbuf, 0, sizeof(cbuf));
 864
 865                         if (debug)
 866                                 if (SSL_in_init(c_ssl))
 867                                         printf("client waiting in SSL_connect - %s\n",
 868                                                 SSL_state_string_long(c_ssl));
 869
 870                         if (cw_num > 0)
 871                                 {
 872                                 /* Write to server. */
 873
 874                                 if (cw_num > (long)sizeof cbuf)
 875                                         i = sizeof cbuf;
 876                                 else
 877                                         i = (int)cw_num;
 878                                 r = BIO_write(c_ssl_bio, cbuf, i);
 879                                 if (r < 0)
 880                                         {
 881                                         if (!BIO_should_retry(c_ssl_bio))
 882                                                 {
 883                                                 fprintf(stderr,"ERROR in CLIENT\n");
 884                                                 goto err;
 885                                                 }
 886                                         /* BIO_should_retry(...) can just be ignored here.
 887                                          * The library expects us to call BIO_write with
 888                                          * the same arguments again, and that's what we will
 889                                          * do in the next iteration. */
 890                                         }
 891                                 else if (r == 0)
 892                                         {
 893                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 894                                         goto err;
 895                                         }
 896                                 else
 897                                         {
 898                                         if (debug)
 899                                                 printf("client wrote %d\n", r);
 900                                         cw_num -= r;
 901                                         }
 902                                 }
 903
 904                         if (cr_num > 0)
 905                                 {
 906                                 /* Read from server. */
 907
 908                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
 909                                 if (r < 0)
 910                                         {
 911                                         if (!BIO_should_retry(c_ssl_bio))
 912                                                 {
 913                                                 fprintf(stderr,"ERROR in CLIENT\n");
 914                                                 goto err;
 915                                                 }
 916                                         /* Again, "BIO_should_retry" can be ignored. */
 917                                         }
 918                                 else if (r == 0)
 919                                         {
 920                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 921                                         goto err;
 922                                         }
 923                                 else
 924                                         {
 925                                         if (debug)
 926                                                 printf("client read %d\n", r);
 927                                         cr_num -= r;
 928                                         }
 929                                 }
 930
 931                         /* c_time and s_time increments will typically be very small
 932                          * (depending on machine speed and clock tick intervals),
 933                          * but sampling over a large number of connections should
 934                          * result in fairly accurate figures.  We cannot guarantee
 935                          * a lot, however -- if each connection lasts for exactly
 936                          * one clock tick, it will be counted only for the client
 937                          * or only for the server or even not at all.
 938                          */
 939                         *c_time += (clock() - c_clock);
 940                         }
 941
 942                         {
 943                         /* SERVER */
 944
 945                         MS_STATIC char sbuf[1024*8];
 946                         int i, r;
 947                         clock_t s_clock = clock();
 948
 949                         memset(sbuf, 0, sizeof(sbuf));
 950
 951                         if (debug)
 952                                 if (SSL_in_init(s_ssl))
 953                                         printf("server waiting in SSL_accept - %s\n",
 954                                                 SSL_state_string_long(s_ssl));
 955
 956                         if (sw_num > 0)
 957                                 {
 958                                 /* Write to client. */
 959
 960                                 if (sw_num > (long)sizeof sbuf)
 961                                         i = sizeof sbuf;
 962                                 else
 963                                         i = (int)sw_num;
 964                                 r = BIO_write(s_ssl_bio, sbuf, i);
 965                                 if (r < 0)
 966                                         {
 967                                         if (!BIO_should_retry(s_ssl_bio))
 968                                                 {
 969                                                 fprintf(stderr,"ERROR in SERVER\n");
 970                                                 goto err;
 971                                                 }
 972                                         /* Ignore "BIO_should_retry". */
 973                                         }
 974                                 else if (r == 0)
 975                                         {
 976                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
 977                                         goto err;
 978                                         }
 979                                 else
 980                                         {
 981                                         if (debug)
 982                                                 printf("server wrote %d\n", r);
 983                                         sw_num -= r;
 984                                         }
 985                                 }
 986
 987                         if (sr_num > 0)
 988                                 {
 989                                 /* Read from client. */
 990
 991                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
 992                                 if (r < 0)
 993                                         {
 994                                         if (!BIO_should_retry(s_ssl_bio))
 995                                                 {
 996                                                 fprintf(stderr,"ERROR in SERVER\n");
 997                                                 goto err;
 998                                                 }
 999                                         /* blah, blah */
1000                                         }
1001                                 else if (r == 0)
1002                                         {
1003                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1004                                         goto err;
1005                                         }
1006                                 else
1007                                         {
1008                                         if (debug)
1009                                                 printf("server read %d\n", r);
1010                                         sr_num -= r;
1011                                         }
1012                                 }
1013
1014                         *s_time += (clock() - s_clock);
1015                         }
1016
1017                         {
1018                         /* "I/O" BETWEEN CLIENT AND SERVER. */
1019
1020                         size_t r1, r2;
1021                         BIO *io1 = server_io, *io2 = client_io;
1022                         /* we use the non-copying interface for io1
1023                          * and the standard BIO_write/BIO_read interface for io2
1024                          */
1025
1026                         static int prev_progress = 1;
1027                         int progress = 0;
1028
1029                         /* io1 to io2 */
1030                         do
1031                                 {
1032                                 size_t num;
1033                                 int r;
1034
1035                                 r1 = BIO_ctrl_pending(io1);
1036                                 r2 = BIO_ctrl_get_write_guarantee(io2);
1037
1038                                 num = r1;
1039                                 if (r2 < num)
1040                                         num = r2;
1041                                 if (num)
1042                                         {
1043                                         char *dataptr;
1044
1045                                         if (INT_MAX < num) /* yeah, right */
1046                                                 num = INT_MAX;
1047
1048                                         r = BIO_nread(io1, &dataptr, (int)num);
1049                                         assert(r > 0);
1050                                         assert(r <= (int)num);
1051                                         /* possibly r < num (non-contiguous data) */
1052                                         num = r;
1053                                         r = BIO_write(io2, dataptr, (int)num);
1054                                         if (r != (int)num) /* can't happen */
1055                                                 {
1056                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1057                                                         "BIO_ctrl_get_write_guarantee() bytes");
1058                                                 goto err;
1059                                                 }
1060                                         progress = 1;
1061
1062                                         if (debug)
1063                                                 printf((io1 == client_io) ?
1064                                                         "C->S relaying: %d bytes\n" :
1065                                                         "S->C relaying: %d bytes\n",
1066                                                         (int)num);
1067                                         }
1068                                 }
1069                         while (r1 && r2);
1070
1071                         /* io2 to io1 */
1072                         {
1073                                 size_t num;
1074                                 int r;
1075
1076                                 r1 = BIO_ctrl_pending(io2);
1077                                 r2 = BIO_ctrl_get_read_request(io1);
1078                                 /* here we could use ..._get_write_guarantee instead of
1079                                  * ..._get_read_request, but by using the latter
1080                                  * we test restartability of the SSL implementation
1081                                  * more thoroughly */
1082                                 num = r1;
1083                                 if (r2 < num)
1084                                         num = r2;
1085                                 if (num)
1086                                         {
1087                                         char *dataptr;
1088
1089                                         if (INT_MAX < num)
1090                                                 num = INT_MAX;
1091
1092                                         if (num > 1)
1093                                                 --num; /* test restartability even more thoroughly */
1094
1095                                         r = BIO_nwrite0(io1, &dataptr);
1096                                         assert(r > 0);
1097                                         if (r < (int)num)
1098                                                 num = r;
1099                                         r = BIO_read(io2, dataptr, (int)num);
1100                                         if (r != (int)num) /* can't happen */
1101                                                 {
1102                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1103                                                         "BIO_ctrl_pending() bytes");
1104                                                 goto err;
1105                                                 }
1106                                         progress = 1;
1107                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1108                                         if (r != (int)num) /* can't happen */
1109                                                 {
1110                                                 fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
1111                                                         "BIO_nwrite0() bytes");
1112                                                 goto err;
1113                                                 }
1114
1115                                         if (debug)
1116                                                 printf((io2 == client_io) ?
1117                                                         "C->S relaying: %d bytes\n" :
1118                                                         "S->C relaying: %d bytes\n",
1119                                                         (int)num);
1120                                         }
1121                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1122
1123                         if (!progress && !prev_progress)
1124                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1125                                         {
1126                                         fprintf(stderr, "ERROR: got stuck\n");
1127                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1128                                                 {
1129                                                 fprintf(stderr, "This can happen for SSL2 because "
1130                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1131                                                         "concurrently ...");
1132                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1133                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1134                                                         {
1135                                                         fprintf(stderr, " ok.\n");
1136                                                         goto end;
1137                                                         }
1138                                                 }
1139                                         fprintf(stderr, " ERROR.\n");
1140                                         goto err;
1141                                         }
1142                         prev_progress = progress;
1143                         }
1144                 }
1145         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1146
1147         if (verbose)
1148                 print_details(c_ssl, "DONE via BIO pair: ");
1149 end:
1150         ret = 0;
1151
1152  err:
1153         ERR_print_errors(bio_err);
1154
1155         if (server)
1156                 BIO_free(server);
1157         if (server_io)
1158                 BIO_free(server_io);
1159         if (client)
1160                 BIO_free(client);
1161         if (client_io)
1162                 BIO_free(client_io);
1163         if (s_ssl_bio)
1164                 BIO_free(s_ssl_bio);
1165         if (c_ssl_bio)
1166                 BIO_free(c_ssl_bio);
1167
1168         return ret;
1169         }
1170
1171
1172 #define W_READ  1
1173 #define W_WRITE 2
1174 #define C_DONE  1
1175 #define S_DONE  2
1176
1177 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1178         {
1179         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1180         long cw_num=count,cr_num=count;
1181         long sw_num=count,sr_num=count;
1182         int ret=1;
1183         BIO *c_to_s=NULL;
1184         BIO *s_to_c=NULL;
1185         BIO *c_bio=NULL;
1186         BIO *s_bio=NULL;
1187         int c_r,c_w,s_r,s_w;
1188         int c_want,s_want;
1189         int i,j;
1190         int done=0;
1191         int c_write,s_write;
1192         int do_server=0,do_client=0;
1193
1194         memset(cbuf,0,sizeof(cbuf));
1195         memset(sbuf,0,sizeof(sbuf));
1196
1197         c_to_s=BIO_new(BIO_s_mem());
1198         s_to_c=BIO_new(BIO_s_mem());
1199         if ((s_to_c == NULL) || (c_to_s == NULL))
1200                 {
1201                 ERR_print_errors(bio_err);
1202                 goto err;
1203                 }
1204
1205         c_bio=BIO_new(BIO_f_ssl());
1206         s_bio=BIO_new(BIO_f_ssl());
1207         if ((c_bio == NULL) || (s_bio == NULL))
1208                 {
1209                 ERR_print_errors(bio_err);
1210                 goto err;
1211                 }
1212
1213         SSL_set_connect_state(c_ssl);
1214         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1215         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1216
1217         SSL_set_accept_state(s_ssl);
1218         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1219         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1220
1221         c_r=0; s_r=1;
1222         c_w=1; s_w=0;
1223         c_want=W_WRITE;
1224         s_want=0;
1225         c_write=1,s_write=0;
1226
1227         /* We can always do writes */
1228         for (;;)
1229                 {
1230                 do_server=0;
1231                 do_client=0;
1232
1233                 i=(int)BIO_pending(s_bio);
1234                 if ((i && s_r) || s_w) do_server=1;
1235
1236                 i=(int)BIO_pending(c_bio);
1237                 if ((i && c_r) || c_w) do_client=1;
1238
1239                 if (do_server && debug)
1240                         {
1241                         if (SSL_in_init(s_ssl))
1242                                 printf("server waiting in SSL_accept - %s\n",
1243                                         SSL_state_string_long(s_ssl));
1244 /*                      else if (s_write)
1245                                 printf("server:SSL_write()\n");
1246                         else
1247                                 printf("server:SSL_read()\n"); */
1248                         }
1249
1250                 if (do_client && debug)
1251                         {
1252                         if (SSL_in_init(c_ssl))
1253                                 printf("client waiting in SSL_connect - %s\n",
1254                                         SSL_state_string_long(c_ssl));
1255 /*                      else if (c_write)
1256                                 printf("client:SSL_write()\n");
1257                         else
1258                                 printf("client:SSL_read()\n"); */
1259                         }
1260
1261                 if (!do_client && !do_server)
1262                         {
1263                         fprintf(stdout,"ERROR IN STARTUP\n");
1264                         ERR_print_errors(bio_err);
1265                         break;
1266                         }
1267                 if (do_client && !(done & C_DONE))
1268                         {
1269                         if (c_write)
1270                                 {
1271                                 j=(cw_num > (long)sizeof(cbuf))
1272                                         ?sizeof(cbuf):(int)cw_num;
1273                                 i=BIO_write(c_bio,cbuf,j);
1274                                 if (i < 0)
1275                                         {
1276                                         c_r=0;
1277                                         c_w=0;
1278                                         if (BIO_should_retry(c_bio))
1279                                                 {
1280                                                 if (BIO_should_read(c_bio))
1281                                                         c_r=1;
1282                                                 if (BIO_should_write(c_bio))
1283                                                         c_w=1;
1284                                                 }
1285                                         else
1286                                                 {
1287                                                 fprintf(stderr,"ERROR in CLIENT\n");
1288                                                 ERR_print_errors(bio_err);
1289                                                 goto err;
1290                                                 }
1291                                         }
1292                                 else if (i == 0)
1293                                         {
1294                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1295                                         goto err;
1296                                         }
1297                                 else
1298                                         {
1299                                         if (debug)
1300                                                 printf("client wrote %d\n",i);
1301                                         /* ok */
1302                                         s_r=1;
1303                                         c_write=0;
1304                                         cw_num-=i;
1305                                         }
1306                                 }
1307                         else
1308                                 {
1309                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
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 read %d\n",i);
1337                                         cr_num-=i;
1338                                         if (sw_num > 0)
1339                                                 {
1340                                                 s_write=1;
1341                                                 s_w=1;
1342                                                 }
1343                                         if (cr_num <= 0)
1344                                                 {
1345                                                 s_write=1;
1346                                                 s_w=1;
1347                                                 done=S_DONE|C_DONE;
1348                                                 }
1349                                         }
1350                                 }
1351                         }
1352
1353                 if (do_server && !(done & S_DONE))
1354                         {
1355                         if (!s_write)
1356                                 {
1357                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1358                                 if (i < 0)
1359                                         {
1360                                         s_r=0;
1361                                         s_w=0;
1362                                         if (BIO_should_retry(s_bio))
1363                                                 {
1364                                                 if (BIO_should_read(s_bio))
1365                                                         s_r=1;
1366                                                 if (BIO_should_write(s_bio))
1367                                                         s_w=1;
1368                                                 }
1369                                         else
1370                                                 {
1371                                                 fprintf(stderr,"ERROR in SERVER\n");
1372                                                 ERR_print_errors(bio_err);
1373                                                 goto err;
1374                                                 }
1375                                         }
1376                                 else if (i == 0)
1377                                         {
1378                                         ERR_print_errors(bio_err);
1379                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1380                                         goto err;
1381                                         }
1382                                 else
1383                                         {
1384                                         if (debug)
1385                                                 printf("server read %d\n",i);
1386                                         sr_num-=i;
1387                                         if (cw_num > 0)
1388                                                 {
1389                                                 c_write=1;
1390                                                 c_w=1;
1391                                                 }
1392                                         if (sr_num <= 0)
1393                                                 {
1394                                                 s_write=1;
1395                                                 s_w=1;
1396                                                 c_write=0;
1397                                                 }
1398                                         }
1399                                 }
1400                         else
1401                                 {
1402                                 j=(sw_num > (long)sizeof(sbuf))?
1403                                         sizeof(sbuf):(int)sw_num;
1404                                 i=BIO_write(s_bio,sbuf,j);
1405                                 if (i < 0)
1406                                         {
1407                                         s_r=0;
1408                                         s_w=0;
1409                                         if (BIO_should_retry(s_bio))
1410                                                 {
1411                                                 if (BIO_should_read(s_bio))
1412                                                         s_r=1;
1413                                                 if (BIO_should_write(s_bio))
1414                                                         s_w=1;
1415                                                 }
1416                                         else
1417                                                 {
1418                                                 fprintf(stderr,"ERROR in SERVER\n");
1419                                                 ERR_print_errors(bio_err);
1420                                                 goto err;
1421                                                 }
1422                                         }
1423                                 else if (i == 0)
1424                                         {
1425                                         ERR_print_errors(bio_err);
1426                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1427                                         goto err;
1428                                         }
1429                                 else
1430                                         {
1431                                         if (debug)
1432                                                 printf("server wrote %d\n",i);
1433                                         sw_num-=i;
1434                                         s_write=0;
1435                                         c_r=1;
1436                                         if (sw_num <= 0)
1437                                                 done|=S_DONE;
1438                                         }
1439                                 }
1440                         }
1441
1442                 if ((done & S_DONE) && (done & C_DONE)) break;
1443                 }
1444
1445         if (verbose)
1446                 print_details(c_ssl, "DONE: ");
1447         ret=0;
1448 err:
1449         /* We have to set the BIO's to NULL otherwise they will be
1450          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1451          * again when c_ssl is SSL_free()ed.
1452          * This is a hack required because s_ssl and c_ssl are sharing the same
1453          * BIO structure and SSL_set_bio() and SSL_free() automatically
1454          * BIO_free non NULL entries.
1455          * You should not normally do this or be required to do this */
1456         if (s_ssl != NULL)
1457                 {
1458                 s_ssl->rbio=NULL;
1459                 s_ssl->wbio=NULL;
1460                 }
1461         if (c_ssl != NULL)
1462                 {
1463                 c_ssl->rbio=NULL;
1464                 c_ssl->wbio=NULL;
1465                 }
1466
1467         if (c_to_s != NULL) BIO_free(c_to_s);
1468         if (s_to_c != NULL) BIO_free(s_to_c);
1469         if (c_bio != NULL) BIO_free_all(c_bio);
1470         if (s_bio != NULL) BIO_free_all(s_bio);
1471         return(ret);
1472         }
1473
1474 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1475         {
1476         char *s,buf[256];
1477
1478         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,
1479                             sizeof buf);
1480         if (s != NULL)
1481                 {
1482                 if (ok)
1483                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1484                 else
1485                         fprintf(stderr,"depth=%d error=%d %s\n",
1486                                 ctx->error_depth,ctx->error,buf);
1487                 }
1488
1489         if (ok == 0)
1490                 {
1491                 switch (ctx->error)
1492                         {
1493                 case X509_V_ERR_CERT_NOT_YET_VALID:
1494                 case X509_V_ERR_CERT_HAS_EXPIRED:
1495                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1496                         ok=1;
1497                         }
1498                 }
1499
1500         return(ok);
1501         }
1502
1503 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
1504         {
1505         char *s = NULL,buf[256];
1506         int ok=1;
1507
1508         fprintf(stderr, "In app_verify_callback, allowing cert. ");
1509         fprintf(stderr, "Arg is: %s\n", (char *)arg);
1510         fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
1511                         (unsigned int)ctx, (unsigned int)ctx->cert);
1512         if (ctx->cert)
1513                 s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
1514         if (s != NULL)
1515                 {
1516                         fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
1517                 }
1518
1519         return(ok);
1520         }
1521
1522 #ifndef OPENSSL_NO_RSA
1523 static RSA *rsa_tmp=NULL;
1524
1525 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1526         {
1527         if (rsa_tmp == NULL)
1528                 {
1529                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1530                 (void)BIO_flush(bio_err);
1531                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1532                 BIO_printf(bio_err,"\n");
1533                 (void)BIO_flush(bio_err);
1534                 }
1535         return(rsa_tmp);
1536         }
1537
1538 static void free_tmp_rsa(void)
1539         {
1540         if (rsa_tmp != NULL)
1541                 {
1542                 RSA_free(rsa_tmp);
1543                 rsa_tmp = NULL;
1544                 }
1545         }
1546 #endif
1547
1548 #ifndef OPENSSL_NO_DH
1549 /* These DH parameters have been generated as follows:
1550  *    $ openssl dhparam -C -noout 512
1551  *    $ openssl dhparam -C -noout 1024
1552  *    $ openssl dhparam -C -noout -dsaparam 1024
1553  * (The third function has been renamed to avoid name conflicts.)
1554  */
1555 static DH *get_dh512()
1556         {
1557         static unsigned char dh512_p[]={
1558                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1559                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1560                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1561                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1562                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1563                 0x02,0xC5,0xAE,0x23,
1564                 };
1565         static unsigned char dh512_g[]={
1566                 0x02,
1567                 };
1568         DH *dh;
1569
1570         if ((dh=DH_new()) == NULL) return(NULL);
1571         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1572         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1573         if ((dh->p == NULL) || (dh->g == NULL))
1574                 { DH_free(dh); return(NULL); }
1575         return(dh);
1576         }
1577
1578 static DH *get_dh1024()
1579         {
1580         static unsigned char dh1024_p[]={
1581                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1582                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1583                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1584                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1585                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1586                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1587                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1588                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1589                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1590                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1591                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1592                 };
1593         static unsigned char dh1024_g[]={
1594                 0x02,
1595                 };
1596         DH *dh;
1597
1598         if ((dh=DH_new()) == NULL) return(NULL);
1599         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1600         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1601         if ((dh->p == NULL) || (dh->g == NULL))
1602                 { DH_free(dh); return(NULL); }
1603         return(dh);
1604         }
1605
1606 static DH *get_dh1024dsa()
1607         {
1608         static unsigned char dh1024_p[]={
1609                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1610                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1611                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1612                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1613                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1614                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1615                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1616                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1617                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1618                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1619                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1620                 };
1621         static unsigned char dh1024_g[]={
1622                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1623                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1624                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1625                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1626                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1627                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1628                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1629                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1630                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1631                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1632                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1633                 };
1634         DH *dh;
1635
1636         if ((dh=DH_new()) == NULL) return(NULL);
1637         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1638         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1639         if ((dh->p == NULL) || (dh->g == NULL))
1640                 { DH_free(dh); return(NULL); }
1641         dh->length = 160;
1642         return(dh);
1643         }
1644 #endif