ssl/ssltest.c

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