ssl/ssltest.c

   1 /* ssl/ssltest.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111
 112 #define _XOPEN_SOURCE 600       /* Or gethostname won't be declared properly
 113                                    on Linux and GNU platforms. */
 114 #define _XOPEN_SOURCE_EXTENDED  /* Or gethostname won't be declared properly
 115                                    on Compaq platforms (at least with DEC C).
 116                                 */
 117
 118 #include <assert.h>
 119 #include <errno.h>
 120 #include <limits.h>
 121 #include <stdio.h>
 122 #include <stdlib.h>
 123 #include <string.h>
 124 #include <time.h>
 125
 126 #include "e_os.h"
 127
 128 #include <openssl/bio.h>
 129 #include <openssl/crypto.h>
 130 #include <openssl/evp.h>
 131 #include <openssl/x509.h>
 132 #include <openssl/ssl.h>
 133 #include <openssl/engine.h>
 134 #include <openssl/err.h>
 135 #include <openssl/rand.h>
 136 #ifdef OPENSSL_SYS_WINDOWS
 137 #include <winsock.h>
 138 #include "../crypto/bio/bss_file.c"
 139 #else
 140 #include OPENSSL_UNISTD
 141 #endif
 142
 143 #ifdef OPENSSL_SYS_VMS
 144 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
 145 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
 146 #else
 147 #  define TEST_SERVER_CERT "../apps/server.pem"
 148 #  define TEST_CLIENT_CERT "../apps/client.pem"
 149 #endif
 150
 151 /* There is really no standard for this, so let's assign some tentative
 152    numbers.  In any case, these numbers are only for this test */
 153 #define COMP_RLE        1
 154 #define COMP_ZLIB       2
 155
 156 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
 157 #ifndef OPENSSL_NO_RSA
 158 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
 159 static void free_tmp_rsa(void);
 160 #endif
 161 #ifndef OPENSSL_NO_DH
 162 static DH *get_dh512(void);
 163 static DH *get_dh1024(void);
 164 static DH *get_dh1024dsa(void);
 165 #endif
 166
 167 static BIO *bio_err=NULL;
 168 static BIO *bio_stdout=NULL;
 169
 170 static char *cipher=NULL;
 171 static int verbose=0;
 172 static int debug=0;
 173 #if 0
 174 /* Not used yet. */
 175 #ifdef FIONBIO
 176 static int s_nbio=0;
 177 #endif
 178 #endif
 179
 180 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
 181
 182 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
 183 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
 184 static void sv_usage(void)
 185         {
 186         fprintf(stderr,"usage: ssltest [args ...]\n");
 187         fprintf(stderr,"\n");
 188         fprintf(stderr," -server_auth  - check server certificate\n");
 189         fprintf(stderr," -client_auth  - do client authentication\n");
 190         fprintf(stderr," -v            - more output\n");
 191         fprintf(stderr," -d            - debug output\n");
 192         fprintf(stderr," -reuse        - use session-id reuse\n");
 193         fprintf(stderr," -num <val>    - number of connections to perform\n");
 194         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
 195 #ifndef OPENSSL_NO_DH
 196         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
 197         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
 198         fprintf(stderr," -no_dhe       - disable DHE\n");
 199 #endif
 200 #ifndef OPENSSL_NO_SSL2
 201         fprintf(stderr," -ssl2         - use SSLv2\n");
 202 #endif
 203 #ifndef OPENSSL_NO_SSL3
 204         fprintf(stderr," -ssl3         - use SSLv3\n");
 205 #endif
 206 #ifndef OPENSSL_NO_TLS1
 207         fprintf(stderr," -tls1         - use TLSv1\n");
 208 #endif
 209         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
 210         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
 211         fprintf(stderr," -cert arg     - Server certificate file\n");
 212         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
 213         fprintf(stderr," -c_cert arg   - Client certificate file\n");
 214         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
 215         fprintf(stderr," -cipher arg   - The cipher list\n");
 216         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
 217         fprintf(stderr," -f            - Test even cases that can't work\n");
 218         fprintf(stderr," -time         - measure processor time used by client and server\n");
 219         fprintf(stderr," -zlib         - use zlib compression\n");
 220         fprintf(stderr," -time         - use rle compression\n");
 221         }
 222
 223 static void print_details(SSL *c_ssl, const char *prefix)
 224         {
 225         SSL_CIPHER *ciph;
 226         X509 *cert;
 227
 228         ciph=SSL_get_current_cipher(c_ssl);
 229         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
 230                 prefix,
 231                 SSL_get_version(c_ssl),
 232                 SSL_CIPHER_get_version(ciph),
 233                 SSL_CIPHER_get_name(ciph));
 234         cert=SSL_get_peer_certificate(c_ssl);
 235         if (cert != NULL)
 236                 {
 237                 EVP_PKEY *pkey = X509_get_pubkey(cert);
 238                 if (pkey != NULL)
 239                         {
 240                         if (0)
 241                                 ;
 242 #ifndef OPENSSL_NO_RSA
 243                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
 244                                 && pkey->pkey.rsa->n != NULL)
 245                                 {
 246                                 BIO_printf(bio_stdout, ", %d bit RSA",
 247                                         BN_num_bits(pkey->pkey.rsa->n));
 248                                 }
 249 #endif
 250 #ifndef OPENSSL_NO_DSA
 251                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
 252                                 && pkey->pkey.dsa->p != NULL)
 253                                 {
 254                                 BIO_printf(bio_stdout, ", %d bit DSA",
 255                                         BN_num_bits(pkey->pkey.dsa->p));
 256                                 }
 257 #endif
 258                         EVP_PKEY_free(pkey);
 259                         }
 260                 X509_free(cert);
 261                 }
 262         /* The SSL API does not allow us to look at temporary RSA/DH keys,
 263          * otherwise we should print their lengths too */
 264         BIO_printf(bio_stdout,"\n");
 265         }
 266
 267 static void lock_dbg_cb(int mode, int type, const char *file, int line)
 268         {
 269         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
 270         const char *errstr = NULL;
 271         int rw;
 272
 273         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
 274         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
 275                 {
 276                 errstr = "invalid mode";
 277                 goto err;
 278                 }
 279
 280         if (type < 0 || type > CRYPTO_NUM_LOCKS)
 281                 {
 282                 errstr = "type out of bounds";
 283                 goto err;
 284                 }
 285
 286         if (mode & CRYPTO_LOCK)
 287                 {
 288                 if (modes[type])
 289                         {
 290                         errstr = "already locked";
 291                         /* must not happen in a single-threaded program
 292                          * (would deadlock) */
 293                         goto err;
 294                         }
 295
 296                 modes[type] = rw;
 297                 }
 298         else if (mode & CRYPTO_UNLOCK)
 299                 {
 300                 if (!modes[type])
 301                         {
 302                         errstr = "not locked";
 303                         goto err;
 304                         }
 305
 306                 if (modes[type] != rw)
 307                         {
 308                         errstr = (rw == CRYPTO_READ) ?
 309                                 "CRYPTO_r_unlock on write lock" :
 310                                 "CRYPTO_w_unlock on read lock";
 311                         }
 312
 313                 modes[type] = 0;
 314                 }
 315         else
 316                 {
 317                 errstr = "invalid mode";
 318                 goto err;
 319                 }
 320
 321  err:
 322         if (errstr)
 323                 {
 324                 /* we cannot use bio_err here */
 325                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
 326                         errstr, mode, type, file, line);
 327                 }
 328         }
 329
 330 int main(int argc, char *argv[])
 331         {
 332         char *CApath=NULL,*CAfile=NULL;
 333         int badop=0;
 334         int bio_pair=0;
 335         int force=0;
 336         int tls1=0,ssl2=0,ssl3=0,ret=1;
 337         int client_auth=0;
 338         int server_auth=0,i;
 339         char *server_cert=TEST_SERVER_CERT;
 340         char *server_key=NULL;
 341         char *client_cert=TEST_CLIENT_CERT;
 342         char *client_key=NULL;
 343         SSL_CTX *s_ctx=NULL;
 344         SSL_CTX *c_ctx=NULL;
 345         SSL_METHOD *meth=NULL;
 346         SSL *c_ssl,*s_ssl;
 347         int number=1,reuse=0;
 348         long bytes=1L;
 349 #ifndef OPENSSL_NO_DH
 350         DH *dh;
 351         int dhe1024 = 0, dhe1024dsa = 0;
 352 #endif
 353         int no_dhe = 0;
 354         int print_time = 0;
 355         clock_t s_time = 0, c_time = 0;
 356         int comp = 0;
 357         COMP_METHOD *cm = NULL;
 358
 359         verbose = 0;
 360         debug = 0;
 361         cipher = 0;
 362
 363         CRYPTO_set_locking_callback(lock_dbg_cb);
 364
 365         /* enable memory leak checking unless explicitly disabled */
 366         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
 367                 {
 368                 CRYPTO_malloc_debug_init();
 369                 CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
 370                 }
 371         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 372
 373         RAND_seed(rnd_seed, sizeof rnd_seed);
 374
 375         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 376         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
 377
 378         argc--;
 379         argv++;
 380
 381         while (argc >= 1)
 382                 {
 383                 if      (strcmp(*argv,"-server_auth") == 0)
 384                         server_auth=1;
 385                 else if (strcmp(*argv,"-client_auth") == 0)
 386                         client_auth=1;
 387                 else if (strcmp(*argv,"-v") == 0)
 388                         verbose=1;
 389                 else if (strcmp(*argv,"-d") == 0)
 390                         debug=1;
 391                 else if (strcmp(*argv,"-reuse") == 0)
 392                         reuse=1;
 393 #ifndef OPENSSL_NO_DH
 394                 else if (strcmp(*argv,"-dhe1024") == 0)
 395                         dhe1024=1;
 396                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
 397                         dhe1024dsa=1;
 398 #endif
 399                 else if (strcmp(*argv,"-no_dhe") == 0)
 400                         no_dhe=1;
 401                 else if (strcmp(*argv,"-ssl2") == 0)
 402                         ssl2=1;
 403                 else if (strcmp(*argv,"-tls1") == 0)
 404                         tls1=1;
 405                 else if (strcmp(*argv,"-ssl3") == 0)
 406                         ssl3=1;
 407                 else if (strncmp(*argv,"-num",4) == 0)
 408                         {
 409                         if (--argc < 1) goto bad;
 410                         number= atoi(*(++argv));
 411                         if (number == 0) number=1;
 412                         }
 413                 else if (strcmp(*argv,"-bytes") == 0)
 414                         {
 415                         if (--argc < 1) goto bad;
 416                         bytes= atol(*(++argv));
 417                         if (bytes == 0L) bytes=1L;
 418                         i=strlen(argv[0]);
 419                         if (argv[0][i-1] == 'k') bytes*=1024L;
 420                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
 421                         }
 422                 else if (strcmp(*argv,"-cert") == 0)
 423                         {
 424                         if (--argc < 1) goto bad;
 425                         server_cert= *(++argv);
 426                         }
 427                 else if (strcmp(*argv,"-s_cert") == 0)
 428                         {
 429                         if (--argc < 1) goto bad;
 430                         server_cert= *(++argv);
 431                         }
 432                 else if (strcmp(*argv,"-key") == 0)
 433                         {
 434                         if (--argc < 1) goto bad;
 435                         server_key= *(++argv);
 436                         }
 437                 else if (strcmp(*argv,"-s_key") == 0)
 438                         {
 439                         if (--argc < 1) goto bad;
 440                         server_key= *(++argv);
 441                         }
 442                 else if (strcmp(*argv,"-c_cert") == 0)
 443                         {
 444                         if (--argc < 1) goto bad;
 445                         client_cert= *(++argv);
 446                         }
 447                 else if (strcmp(*argv,"-c_key") == 0)
 448                         {
 449                         if (--argc < 1) goto bad;
 450                         client_key= *(++argv);
 451                         }
 452                 else if (strcmp(*argv,"-cipher") == 0)
 453                         {
 454                         if (--argc < 1) goto bad;
 455                         cipher= *(++argv);
 456                         }
 457                 else if (strcmp(*argv,"-CApath") == 0)
 458                         {
 459                         if (--argc < 1) goto bad;
 460                         CApath= *(++argv);
 461                         }
 462                 else if (strcmp(*argv,"-CAfile") == 0)
 463                         {
 464                         if (--argc < 1) goto bad;
 465                         CAfile= *(++argv);
 466                         }
 467                 else if (strcmp(*argv,"-bio_pair") == 0)
 468                         {
 469                         bio_pair = 1;
 470                         }
 471                 else if (strcmp(*argv,"-f") == 0)
 472                         {
 473                         force = 1;
 474                         }
 475                 else if (strcmp(*argv,"-time") == 0)
 476                         {
 477                         print_time = 1;
 478                         }
 479                 else if (strcmp(*argv,"-zlib") == 0)
 480                         {
 481                         comp = COMP_ZLIB;
 482                         }
 483                 else if (strcmp(*argv,"-rle") == 0)
 484                         {
 485                         comp = COMP_RLE;
 486                         }
 487                 else
 488                         {
 489                         fprintf(stderr,"unknown option %s\n",*argv);
 490                         badop=1;
 491                         break;
 492                         }
 493                 argc--;
 494                 argv++;
 495                 }
 496         if (badop)
 497                 {
 498 bad:
 499                 sv_usage();
 500                 goto end;
 501                 }
 502
 503         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
 504                 {
 505                 fprintf(stderr, "This case cannot work.  Use -f to perform "
 506                         "the test anyway (and\n-d to see what happens), "
 507                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
 508                         "to avoid protocol mismatch.\n");
 509                 exit(1);
 510                 }
 511
 512         if (print_time)
 513                 {
 514                 if (!bio_pair)
 515                         {
 516                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
 517                         bio_pair = 1;
 518                         }
 519                 if (number < 50 && !force)
 520                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
 521                 }
 522
 523 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
 524
 525         SSL_library_init();
 526         SSL_load_error_strings();
 527
 528         if (comp == COMP_ZLIB) cm = COMP_zlib();
 529         if (comp == COMP_RLE) cm = COMP_rle();
 530         if (cm != NULL)
 531                 {
 532                 if (cm->type != NID_undef)
 533                         SSL_COMP_add_compression_method(comp, cm);
 534                 else
 535                         {
 536                         fprintf(stderr,
 537                                 "Warning: %s compression not supported\n",
 538                                 (comp == COMP_RLE ? "rle" :
 539                                         (comp == COMP_ZLIB ? "zlib" :
 540                                                 "unknown")));
 541                         ERR_print_errors_fp(stderr);
 542                         }
 543                 }
 544
 545 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 546         if (ssl2)
 547                 meth=SSLv2_method();
 548         else
 549         if (tls1)
 550                 meth=TLSv1_method();
 551         else
 552         if (ssl3)
 553                 meth=SSLv3_method();
 554         else
 555                 meth=SSLv23_method();
 556 #else
 557 #ifdef OPENSSL_NO_SSL2
 558         meth=SSLv3_method();
 559 #else
 560         meth=SSLv2_method();
 561 #endif
 562 #endif
 563
 564         c_ctx=SSL_CTX_new(meth);
 565         s_ctx=SSL_CTX_new(meth);
 566         if ((c_ctx == NULL) || (s_ctx == NULL))
 567                 {
 568                 ERR_print_errors(bio_err);
 569                 goto end;
 570                 }
 571
 572         if (cipher != NULL)
 573                 {
 574                 SSL_CTX_set_cipher_list(c_ctx,cipher);
 575                 SSL_CTX_set_cipher_list(s_ctx,cipher);
 576                 }
 577
 578 #ifndef OPENSSL_NO_DH
 579         if (!no_dhe)
 580                 {
 581                 if (dhe1024dsa)
 582                         {
 583                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
 584                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
 585                         dh=get_dh1024dsa();
 586                         }
 587                 else if (dhe1024)
 588                         dh=get_dh1024();
 589                 else
 590                         dh=get_dh512();
 591                 SSL_CTX_set_tmp_dh(s_ctx,dh);
 592                 DH_free(dh);
 593                 }
 594 #else
 595         (void)no_dhe;
 596 #endif
 597
 598 #ifndef OPENSSL_NO_RSA
 599         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
 600 #endif
 601
 602         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
 603                 {
 604                 ERR_print_errors(bio_err);
 605                 }
 606         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
 607                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
 608                 {
 609                 ERR_print_errors(bio_err);
 610                 goto end;
 611                 }
 612
 613         if (client_auth)
 614                 {
 615                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
 616                         SSL_FILETYPE_PEM);
 617                 SSL_CTX_use_PrivateKey_file(c_ctx,
 618                         (client_key?client_key:client_cert),
 619                         SSL_FILETYPE_PEM);
 620                 }
 621
 622         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
 623                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
 624                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
 625                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
 626                 {
 627                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
 628                 ERR_print_errors(bio_err);
 629                 /* goto end; */
 630                 }
 631
 632         if (client_auth)
 633                 {
 634                 BIO_printf(bio_err,"client authentication\n");
 635                 SSL_CTX_set_verify(s_ctx,
 636                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
 637                         verify_callback);
 638                 }
 639         if (server_auth)
 640                 {
 641                 BIO_printf(bio_err,"server authentication\n");
 642                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
 643                         verify_callback);
 644                 }
 645
 646         {
 647                 int session_id_context = 0;
 648                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
 649         }
 650
 651         c_ssl=SSL_new(c_ctx);
 652         s_ssl=SSL_new(s_ctx);
 653
 654 #ifndef OPENSSL_NO_KRB5
 655         if (c_ssl  &&  c_ssl->kssl_ctx)
 656                 {
 657                 char    localhost[257];
 658
 659                 if (gethostname(localhost, 256) == 0)
 660                         {
 661                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
 662                                 localhost);
 663                         }
 664                 }
 665 #endif    /* OPENSSL_NO_KRB5  */
 666
 667         for (i=0; i<number; i++)
 668                 {
 669                 if (!reuse) SSL_set_session(c_ssl,NULL);
 670                 if (bio_pair)
 671                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
 672                 else
 673                         ret=doit(s_ssl,c_ssl,bytes);
 674                 }
 675
 676         if (!verbose)
 677                 {
 678                 print_details(c_ssl, "");
 679                 }
 680         if ((number > 1) || (bytes > 1L))
 681                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
 682         if (print_time)
 683                 {
 684 #ifdef CLOCKS_PER_SEC
 685                 /* "To determine the time in seconds, the value returned
 686                  * by the clock function should be divided by the value
 687                  * of the macro CLOCKS_PER_SEC."
 688                  *                                       -- ISO/IEC 9899 */
 689                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
 690                         "Approximate total client time: %6.2f s\n",
 691                         (double)s_time/CLOCKS_PER_SEC,
 692                         (double)c_time/CLOCKS_PER_SEC);
 693 #else
 694                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
 695                  *                            -- cc on NeXTstep/OpenStep */
 696                 BIO_printf(bio_stdout,
 697                         "Approximate total server time: %6.2f units\n"
 698                         "Approximate total client time: %6.2f units\n",
 699                         (double)s_time,
 700                         (double)c_time);
 701 #endif
 702                 }
 703
 704         SSL_free(s_ssl);
 705         SSL_free(c_ssl);
 706
 707 end:
 708         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
 709         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
 710
 711         if (bio_stdout != NULL) BIO_free(bio_stdout);
 712
 713 #ifndef OPENSSL_NO_RSA
 714         free_tmp_rsa();
 715 #endif
 716         ENGINE_cleanup();
 717         CRYPTO_cleanup_all_ex_data();
 718         ERR_free_strings();
 719         ERR_remove_state(0);
 720         EVP_cleanup();
 721         CRYPTO_mem_leaks(bio_err);
 722         if (bio_err != NULL) BIO_free(bio_err);
 723         EXIT(ret);
 724         }
 725
 726 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
 727         clock_t *s_time, clock_t *c_time)
 728         {
 729         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
 730         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
 731         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
 732         int ret = 1;
 733
 734         size_t bufsiz = 256; /* small buffer for testing */
 735
 736         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
 737                 goto err;
 738         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
 739                 goto err;
 740
 741         s_ssl_bio = BIO_new(BIO_f_ssl());
 742         if (!s_ssl_bio)
 743                 goto err;
 744
 745         c_ssl_bio = BIO_new(BIO_f_ssl());
 746         if (!c_ssl_bio)
 747                 goto err;
 748
 749         SSL_set_connect_state(c_ssl);
 750         SSL_set_bio(c_ssl, client, client);
 751         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
 752
 753         SSL_set_accept_state(s_ssl);
 754         SSL_set_bio(s_ssl, server, server);
 755         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
 756
 757         do
 758                 {
 759                 /* c_ssl_bio:          SSL filter BIO
 760                  *
 761                  * client:             pseudo-I/O for SSL library
 762                  *
 763                  * client_io:          client's SSL communication; usually to be
 764                  *                     relayed over some I/O facility, but in this
 765                  *                     test program, we're the server, too:
 766                  *
 767                  * server_io:          server's SSL communication
 768                  *
 769                  * server:             pseudo-I/O for SSL library
 770                  *
 771                  * s_ssl_bio:          SSL filter BIO
 772                  *
 773                  * The client and the server each employ a "BIO pair":
 774                  * client + client_io, server + server_io.
 775                  * BIO pairs are symmetric.  A BIO pair behaves similar
 776                  * to a non-blocking socketpair (but both endpoints must
 777                  * be handled by the same thread).
 778                  * [Here we could connect client and server to the ends
 779                  * of a single BIO pair, but then this code would be less
 780                  * suitable as an example for BIO pairs in general.]
 781                  *
 782                  * Useful functions for querying the state of BIO pair endpoints:
 783                  *
 784                  * BIO_ctrl_pending(bio)              number of bytes we can read now
 785                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
 786                  *                                      other side's read attempt
 787                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
 788                  *
 789                  * ..._read_request is never more than ..._write_guarantee;
 790                  * it depends on the application which one you should use.
 791                  */
 792
 793                 /* We have non-blocking behaviour throughout this test program, but
 794                  * can be sure that there is *some* progress in each iteration; so
 795                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
 796                  * -- we just try everything in each iteration
 797                  */
 798
 799                         {
 800                         /* CLIENT */
 801
 802                         MS_STATIC char cbuf[1024*8];
 803                         int i, r;
 804                         clock_t c_clock = clock();
 805
 806                         if (debug)
 807                                 if (SSL_in_init(c_ssl))
 808                                         printf("client waiting in SSL_connect - %s\n",
 809                                                 SSL_state_string_long(c_ssl));
 810
 811                         if (cw_num > 0)
 812                                 {
 813                                 /* Write to server. */
 814
 815                                 if (cw_num > (long)sizeof cbuf)
 816                                         i = sizeof cbuf;
 817                                 else
 818                                         i = (int)cw_num;
 819                                 r = BIO_write(c_ssl_bio, cbuf, i);
 820                                 if (r < 0)
 821                                         {
 822                                         if (!BIO_should_retry(c_ssl_bio))
 823                                                 {
 824                                                 fprintf(stderr,"ERROR in CLIENT\n");
 825                                                 goto err;
 826                                                 }
 827                                         /* BIO_should_retry(...) can just be ignored here.
 828                                          * The library expects us to call BIO_write with
 829                                          * the same arguments again, and that's what we will
 830                                          * do in the next iteration. */
 831                                         }
 832                                 else if (r == 0)
 833                                         {
 834                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 835                                         goto err;
 836                                         }
 837                                 else
 838                                         {
 839                                         if (debug)
 840                                                 printf("client wrote %d\n", r);
 841                                         cw_num -= r;
 842                                         }
 843                                 }
 844
 845                         if (cr_num > 0)
 846                                 {
 847                                 /* Read from server. */
 848
 849                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
 850                                 if (r < 0)
 851                                         {
 852                                         if (!BIO_should_retry(c_ssl_bio))
 853                                                 {
 854                                                 fprintf(stderr,"ERROR in CLIENT\n");
 855                                                 goto err;
 856                                                 }
 857                                         /* Again, "BIO_should_retry" can be ignored. */
 858                                         }
 859                                 else if (r == 0)
 860                                         {
 861                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 862                                         goto err;
 863                                         }
 864                                 else
 865                                         {
 866                                         if (debug)
 867                                                 printf("client read %d\n", r);
 868                                         cr_num -= r;
 869                                         }
 870                                 }
 871
 872                         /* c_time and s_time increments will typically be very small
 873                          * (depending on machine speed and clock tick intervals),
 874                          * but sampling over a large number of connections should
 875                          * result in fairly accurate figures.  We cannot guarantee
 876                          * a lot, however -- if each connection lasts for exactly
 877                          * one clock tick, it will be counted only for the client
 878                          * or only for the server or even not at all.
 879                          */
 880                         *c_time += (clock() - c_clock);
 881                         }
 882
 883                         {
 884                         /* SERVER */
 885
 886                         MS_STATIC char sbuf[1024*8];
 887                         int i, r;
 888                         clock_t s_clock = clock();
 889
 890                         if (debug)
 891                                 if (SSL_in_init(s_ssl))
 892                                         printf("server waiting in SSL_accept - %s\n",
 893                                                 SSL_state_string_long(s_ssl));
 894
 895                         if (sw_num > 0)
 896                                 {
 897                                 /* Write to client. */
 898
 899                                 if (sw_num > (long)sizeof sbuf)
 900                                         i = sizeof sbuf;
 901                                 else
 902                                         i = (int)sw_num;
 903                                 r = BIO_write(s_ssl_bio, sbuf, i);
 904                                 if (r < 0)
 905                                         {
 906                                         if (!BIO_should_retry(s_ssl_bio))
 907                                                 {
 908                                                 fprintf(stderr,"ERROR in SERVER\n");
 909                                                 goto err;
 910                                                 }
 911                                         /* Ignore "BIO_should_retry". */
 912                                         }
 913                                 else if (r == 0)
 914                                         {
 915                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
 916                                         goto err;
 917                                         }
 918                                 else
 919                                         {
 920                                         if (debug)
 921                                                 printf("server wrote %d\n", r);
 922                                         sw_num -= r;
 923                                         }
 924                                 }
 925
 926                         if (sr_num > 0)
 927                                 {
 928                                 /* Read from client. */
 929
 930                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
 931                                 if (r < 0)
 932                                         {
 933                                         if (!BIO_should_retry(s_ssl_bio))
 934                                                 {
 935                                                 fprintf(stderr,"ERROR in SERVER\n");
 936                                                 goto err;
 937                                                 }
 938                                         /* blah, blah */
 939                                         }
 940                                 else if (r == 0)
 941                                         {
 942                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
 943                                         goto err;
 944                                         }
 945                                 else
 946                                         {
 947                                         if (debug)
 948                                                 printf("server read %d\n", r);
 949                                         sr_num -= r;
 950                                         }
 951                                 }
 952
 953                         *s_time += (clock() - s_clock);
 954                         }
 955
 956                         {
 957                         /* "I/O" BETWEEN CLIENT AND SERVER. */
 958
 959                         size_t r1, r2;
 960                         BIO *io1 = server_io, *io2 = client_io;
 961                         /* we use the non-copying interface for io1
 962                          * and the standard BIO_write/BIO_read interface for io2
 963                          */
 964
 965                         static int prev_progress = 1;
 966                         int progress = 0;
 967
 968                         /* io1 to io2 */
 969                         do
 970                                 {
 971                                 size_t num;
 972                                 int r;
 973
 974                                 r1 = BIO_ctrl_pending(io1);
 975                                 r2 = BIO_ctrl_get_write_guarantee(io2);
 976
 977                                 num = r1;
 978                                 if (r2 < num)
 979                                         num = r2;
 980                                 if (num)
 981                                         {
 982                                         char *dataptr;
 983
 984                                         if (INT_MAX < num) /* yeah, right */
 985                                                 num = INT_MAX;
 986
 987                                         r = BIO_nread(io1, &dataptr, (int)num);
 988                                         assert(r > 0);
 989                                         assert(r <= (int)num);
 990                                         /* possibly r < num (non-contiguous data) */
 991                                         num = r;
 992                                         r = BIO_write(io2, dataptr, (int)num);
 993                                         if (r != (int)num) /* can't happen */
 994                                                 {
 995                                                 fprintf(stderr, "ERROR: BIO_write could not write "
 996                                                         "BIO_ctrl_get_write_guarantee() bytes");
 997                                                 goto err;
 998                                                 }
 999                                         progress = 1;
1000
1001                                         if (debug)
1002                                                 printf((io1 == client_io) ?
1003                                                         "C->S relaying: %d bytes\n" :
1004                                                         "S->C relaying: %d bytes\n",
1005                                                         (int)num);
1006                                         }
1007                                 }
1008                         while (r1 && r2);
1009
1010                         /* io2 to io1 */
1011                         {
1012                                 size_t num;
1013                                 int r;
1014
1015                                 r1 = BIO_ctrl_pending(io2);
1016                                 r2 = BIO_ctrl_get_read_request(io1);
1017                                 /* here we could use ..._get_write_guarantee instead of
1018                                  * ..._get_read_request, but by using the latter
1019                                  * we test restartability of the SSL implementation
1020                                  * more thoroughly */
1021                                 num = r1;
1022                                 if (r2 < num)
1023                                         num = r2;
1024                                 if (num)
1025                                         {
1026                                         char *dataptr;
1027
1028                                         if (INT_MAX < num)
1029                                                 num = INT_MAX;
1030
1031                                         if (num > 1)
1032                                                 --num; /* test restartability even more thoroughly */
1033
1034                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1035                                         assert(r > 0);
1036                                         assert(r <= (int)num);
1037                                         num = r;
1038                                         r = BIO_read(io2, dataptr, (int)num);
1039                                         if (r != (int)num) /* can't happen */
1040                                                 {
1041                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1042                                                         "BIO_ctrl_pending() bytes");
1043                                                 goto err;
1044                                                 }
1045                                         progress = 1;
1046
1047                                         if (debug)
1048                                                 printf((io2 == client_io) ?
1049                                                         "C->S relaying: %d bytes\n" :
1050                                                         "S->C relaying: %d bytes\n",
1051                                                         (int)num);
1052                                         }
1053                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1054
1055                         if (!progress && !prev_progress)
1056                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1057                                         {
1058                                         fprintf(stderr, "ERROR: got stuck\n");
1059                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1060                                                 {
1061                                                 fprintf(stderr, "This can happen for SSL2 because "
1062                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1063                                                         "concurrently ...");
1064                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1065                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1066                                                         {
1067                                                         fprintf(stderr, " ok.\n");
1068                                                         goto end;
1069                                                         }
1070                                                 }
1071                                         fprintf(stderr, " ERROR.\n");
1072                                         goto err;
1073                                         }
1074                         prev_progress = progress;
1075                         }
1076                 }
1077         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1078
1079         if (verbose)
1080                 print_details(c_ssl, "DONE via BIO pair: ");
1081 end:
1082         ret = 0;
1083
1084  err:
1085         ERR_print_errors(bio_err);
1086
1087         if (server)
1088                 BIO_free(server);
1089         if (server_io)
1090                 BIO_free(server_io);
1091         if (client)
1092                 BIO_free(client);
1093         if (client_io)
1094                 BIO_free(client_io);
1095         if (s_ssl_bio)
1096                 BIO_free(s_ssl_bio);
1097         if (c_ssl_bio)
1098                 BIO_free(c_ssl_bio);
1099
1100         return ret;
1101         }
1102
1103
1104 #define W_READ  1
1105 #define W_WRITE 2
1106 #define C_DONE  1
1107 #define S_DONE  2
1108
1109 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1110         {
1111         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1112         long cw_num=count,cr_num=count;
1113         long sw_num=count,sr_num=count;
1114         int ret=1;
1115         BIO *c_to_s=NULL;
1116         BIO *s_to_c=NULL;
1117         BIO *c_bio=NULL;
1118         BIO *s_bio=NULL;
1119         int c_r,c_w,s_r,s_w;
1120         int c_want,s_want;
1121         int i,j;
1122         int done=0;
1123         int c_write,s_write;
1124         int do_server=0,do_client=0;
1125
1126         c_to_s=BIO_new(BIO_s_mem());
1127         s_to_c=BIO_new(BIO_s_mem());
1128         if ((s_to_c == NULL) || (c_to_s == NULL))
1129                 {
1130                 ERR_print_errors(bio_err);
1131                 goto err;
1132                 }
1133
1134         c_bio=BIO_new(BIO_f_ssl());
1135         s_bio=BIO_new(BIO_f_ssl());
1136         if ((c_bio == NULL) || (s_bio == NULL))
1137                 {
1138                 ERR_print_errors(bio_err);
1139                 goto err;
1140                 }
1141
1142         SSL_set_connect_state(c_ssl);
1143         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1144         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1145
1146         SSL_set_accept_state(s_ssl);
1147         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1148         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1149
1150         c_r=0; s_r=1;
1151         c_w=1; s_w=0;
1152         c_want=W_WRITE;
1153         s_want=0;
1154         c_write=1,s_write=0;
1155
1156         /* We can always do writes */
1157         for (;;)
1158                 {
1159                 do_server=0;
1160                 do_client=0;
1161
1162                 i=(int)BIO_pending(s_bio);
1163                 if ((i && s_r) || s_w) do_server=1;
1164
1165                 i=(int)BIO_pending(c_bio);
1166                 if ((i && c_r) || c_w) do_client=1;
1167
1168                 if (do_server && debug)
1169                         {
1170                         if (SSL_in_init(s_ssl))
1171                                 printf("server waiting in SSL_accept - %s\n",
1172                                         SSL_state_string_long(s_ssl));
1173 /*                      else if (s_write)
1174                                 printf("server:SSL_write()\n");
1175                         else
1176                                 printf("server:SSL_read()\n"); */
1177                         }
1178
1179                 if (do_client && debug)
1180                         {
1181                         if (SSL_in_init(c_ssl))
1182                                 printf("client waiting in SSL_connect - %s\n",
1183                                         SSL_state_string_long(c_ssl));
1184 /*                      else if (c_write)
1185                                 printf("client:SSL_write()\n");
1186                         else
1187                                 printf("client:SSL_read()\n"); */
1188                         }
1189
1190                 if (!do_client && !do_server)
1191                         {
1192                         fprintf(stdout,"ERROR IN STARTUP\n");
1193                         ERR_print_errors(bio_err);
1194                         break;
1195                         }
1196                 if (do_client && !(done & C_DONE))
1197                         {
1198                         if (c_write)
1199                                 {
1200                                 j=(cw_num > (long)sizeof(cbuf))
1201                                         ?sizeof(cbuf):(int)cw_num;
1202                                 i=BIO_write(c_bio,cbuf,j);
1203                                 if (i < 0)
1204                                         {
1205                                         c_r=0;
1206                                         c_w=0;
1207                                         if (BIO_should_retry(c_bio))
1208                                                 {
1209                                                 if (BIO_should_read(c_bio))
1210                                                         c_r=1;
1211                                                 if (BIO_should_write(c_bio))
1212                                                         c_w=1;
1213                                                 }
1214                                         else
1215                                                 {
1216                                                 fprintf(stderr,"ERROR in CLIENT\n");
1217                                                 ERR_print_errors(bio_err);
1218                                                 goto err;
1219                                                 }
1220                                         }
1221                                 else if (i == 0)
1222                                         {
1223                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1224                                         goto err;
1225                                         }
1226                                 else
1227                                         {
1228                                         if (debug)
1229                                                 printf("client wrote %d\n",i);
1230                                         /* ok */
1231                                         s_r=1;
1232                                         c_write=0;
1233                                         cw_num-=i;
1234                                         }
1235                                 }
1236                         else
1237                                 {
1238                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1239                                 if (i < 0)
1240                                         {
1241                                         c_r=0;
1242                                         c_w=0;
1243                                         if (BIO_should_retry(c_bio))
1244                                                 {
1245                                                 if (BIO_should_read(c_bio))
1246                                                         c_r=1;
1247                                                 if (BIO_should_write(c_bio))
1248                                                         c_w=1;
1249                                                 }
1250                                         else
1251                                                 {
1252                                                 fprintf(stderr,"ERROR in CLIENT\n");
1253                                                 ERR_print_errors(bio_err);
1254                                                 goto err;
1255                                                 }
1256                                         }
1257                                 else if (i == 0)
1258                                         {
1259                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1260                                         goto err;
1261                                         }
1262                                 else
1263                                         {
1264                                         if (debug)
1265                                                 printf("client read %d\n",i);
1266                                         cr_num-=i;
1267                                         if (sw_num > 0)
1268                                                 {
1269                                                 s_write=1;
1270                                                 s_w=1;
1271                                                 }
1272                                         if (cr_num <= 0)
1273                                                 {
1274                                                 s_write=1;
1275                                                 s_w=1;
1276                                                 done=S_DONE|C_DONE;
1277                                                 }
1278                                         }
1279                                 }
1280                         }
1281
1282                 if (do_server && !(done & S_DONE))
1283                         {
1284                         if (!s_write)
1285                                 {
1286                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1287                                 if (i < 0)
1288                                         {
1289                                         s_r=0;
1290                                         s_w=0;
1291                                         if (BIO_should_retry(s_bio))
1292                                                 {
1293                                                 if (BIO_should_read(s_bio))
1294                                                         s_r=1;
1295                                                 if (BIO_should_write(s_bio))
1296                                                         s_w=1;
1297                                                 }
1298                                         else
1299                                                 {
1300                                                 fprintf(stderr,"ERROR in SERVER\n");
1301                                                 ERR_print_errors(bio_err);
1302                                                 goto err;
1303                                                 }
1304                                         }
1305                                 else if (i == 0)
1306                                         {
1307                                         ERR_print_errors(bio_err);
1308                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1309                                         goto err;
1310                                         }
1311                                 else
1312                                         {
1313                                         if (debug)
1314                                                 printf("server read %d\n",i);
1315                                         sr_num-=i;
1316                                         if (cw_num > 0)
1317                                                 {
1318                                                 c_write=1;
1319                                                 c_w=1;
1320                                                 }
1321                                         if (sr_num <= 0)
1322                                                 {
1323                                                 s_write=1;
1324                                                 s_w=1;
1325                                                 c_write=0;
1326                                                 }
1327                                         }
1328                                 }
1329                         else
1330                                 {
1331                                 j=(sw_num > (long)sizeof(sbuf))?
1332                                         sizeof(sbuf):(int)sw_num;
1333                                 i=BIO_write(s_bio,sbuf,j);
1334                                 if (i < 0)
1335                                         {
1336                                         s_r=0;
1337                                         s_w=0;
1338                                         if (BIO_should_retry(s_bio))
1339                                                 {
1340                                                 if (BIO_should_read(s_bio))
1341                                                         s_r=1;
1342                                                 if (BIO_should_write(s_bio))
1343                                                         s_w=1;
1344                                                 }
1345                                         else
1346                                                 {
1347                                                 fprintf(stderr,"ERROR in SERVER\n");
1348                                                 ERR_print_errors(bio_err);
1349                                                 goto err;
1350                                                 }
1351                                         }
1352                                 else if (i == 0)
1353                                         {
1354                                         ERR_print_errors(bio_err);
1355                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1356                                         goto err;
1357                                         }
1358                                 else
1359                                         {
1360                                         if (debug)
1361                                                 printf("server wrote %d\n",i);
1362                                         sw_num-=i;
1363                                         s_write=0;
1364                                         c_r=1;
1365                                         if (sw_num <= 0)
1366                                                 done|=S_DONE;
1367                                         }
1368                                 }
1369                         }
1370
1371                 if ((done & S_DONE) && (done & C_DONE)) break;
1372                 }
1373
1374         if (verbose)
1375                 print_details(c_ssl, "DONE: ");
1376         ret=0;
1377 err:
1378         /* We have to set the BIO's to NULL otherwise they will be
1379          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1380          * again when c_ssl is SSL_free()ed.
1381          * This is a hack required because s_ssl and c_ssl are sharing the same
1382          * BIO structure and SSL_set_bio() and SSL_free() automatically
1383          * BIO_free non NULL entries.
1384          * You should not normally do this or be required to do this */
1385         if (s_ssl != NULL)
1386                 {
1387                 s_ssl->rbio=NULL;
1388                 s_ssl->wbio=NULL;
1389                 }
1390         if (c_ssl != NULL)
1391                 {
1392                 c_ssl->rbio=NULL;
1393                 c_ssl->wbio=NULL;
1394                 }
1395
1396         if (c_to_s != NULL) BIO_free(c_to_s);
1397         if (s_to_c != NULL) BIO_free(s_to_c);
1398         if (c_bio != NULL) BIO_free_all(c_bio);
1399         if (s_bio != NULL) BIO_free_all(s_bio);
1400         return(ret);
1401         }
1402
1403 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1404         {
1405         char *s,buf[256];
1406
1407         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,256);
1408         if (s != NULL)
1409                 {
1410                 if (ok)
1411                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1412                 else
1413                         fprintf(stderr,"depth=%d error=%d %s\n",
1414                                 ctx->error_depth,ctx->error,buf);
1415                 }
1416
1417         if (ok == 0)
1418                 {
1419                 switch (ctx->error)
1420                         {
1421                 case X509_V_ERR_CERT_NOT_YET_VALID:
1422                 case X509_V_ERR_CERT_HAS_EXPIRED:
1423                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1424                         ok=1;
1425                         }
1426                 }
1427
1428         return(ok);
1429         }
1430
1431 #ifndef OPENSSL_NO_RSA
1432 static RSA *rsa_tmp=NULL;
1433
1434 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1435         {
1436         if (rsa_tmp == NULL)
1437                 {
1438                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1439                 (void)BIO_flush(bio_err);
1440                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1441                 BIO_printf(bio_err,"\n");
1442                 (void)BIO_flush(bio_err);
1443                 }
1444         return(rsa_tmp);
1445         }
1446
1447 static void free_tmp_rsa(void)
1448         {
1449         if (rsa_tmp != NULL)
1450                 {
1451                 RSA_free(rsa_tmp);
1452                 rsa_tmp = NULL;
1453                 }
1454         }
1455 #endif
1456
1457 #ifndef OPENSSL_NO_DH
1458 /* These DH parameters have been generated as follows:
1459  *    $ openssl dhparam -C -noout 512
1460  *    $ openssl dhparam -C -noout 1024
1461  *    $ openssl dhparam -C -noout -dsaparam 1024
1462  * (The third function has been renamed to avoid name conflicts.)
1463  */
1464 static DH *get_dh512()
1465         {
1466         static unsigned char dh512_p[]={
1467                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1468                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1469                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1470                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1471                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1472                 0x02,0xC5,0xAE,0x23,
1473                 };
1474         static unsigned char dh512_g[]={
1475                 0x02,
1476                 };
1477         DH *dh;
1478
1479         if ((dh=DH_new()) == NULL) return(NULL);
1480         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1481         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1482         if ((dh->p == NULL) || (dh->g == NULL))
1483                 { DH_free(dh); return(NULL); }
1484         return(dh);
1485         }
1486
1487 static DH *get_dh1024()
1488         {
1489         static unsigned char dh1024_p[]={
1490                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1491                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1492                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1493                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1494                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1495                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1496                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1497                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1498                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1499                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1500                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1501                 };
1502         static unsigned char dh1024_g[]={
1503                 0x02,
1504                 };
1505         DH *dh;
1506
1507         if ((dh=DH_new()) == NULL) return(NULL);
1508         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1509         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1510         if ((dh->p == NULL) || (dh->g == NULL))
1511                 { DH_free(dh); return(NULL); }
1512         return(dh);
1513         }
1514
1515 static DH *get_dh1024dsa()
1516         {
1517         static unsigned char dh1024_p[]={
1518                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1519                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1520                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1521                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1522                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1523                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1524                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1525                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1526                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1527                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1528                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1529                 };
1530         static unsigned char dh1024_g[]={
1531                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1532                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1533                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1534                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1535                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1536                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1537                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1538                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1539                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1540                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1541                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1542                 };
1543         DH *dh;
1544
1545         if ((dh=DH_new()) == NULL) return(NULL);
1546         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1547         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1548         if ((dh->p == NULL) || (dh->g == NULL))
1549                 { DH_free(dh); return(NULL); }
1550         dh->length = 160;
1551         return(dh);
1552         }
1553 #endif