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