ssl/ssltest.c

   1 /* ssl/ssltest.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111
 112 #define _XOPEN_SOURCE 600       /* Or gethostname won't be declared properly
 113                                    on Linux and GNU platforms. */
 114 #define _XOPEN_SOURCE_EXTENDED  1 /* Or gethostname won't be declared properly
 115                                    on Compaq platforms (at least with DEC C).
 116                                 */
 117
 118 #include <assert.h>
 119 #include <errno.h>
 120 #include <limits.h>
 121 #include <stdio.h>
 122 #include <stdlib.h>
 123 #include <string.h>
 124 #include <time.h>
 125
 126 #include "e_os.h"
 127
 128 #include <openssl/bio.h>
 129 #include <openssl/crypto.h>
 130 #include <openssl/evp.h>
 131 #include <openssl/x509.h>
 132 #include <openssl/ssl.h>
 133 #include <openssl/engine.h>
 134 #include <openssl/err.h>
 135 #include <openssl/rand.h>
 136 #ifdef OPENSSL_SYS_WINDOWS
 137 #include <winsock.h>
 138 #include "../crypto/bio/bss_file.c"
 139 #else
 140 #include OPENSSL_UNISTD
 141 #endif
 142
 143 #ifdef OPENSSL_SYS_VMS
 144 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
 145 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
 146 #else
 147 #  define TEST_SERVER_CERT "../apps/server.pem"
 148 #  define TEST_CLIENT_CERT "../apps/client.pem"
 149 #endif
 150
 151 /* There is really no standard for this, so let's assign some tentative
 152    numbers.  In any case, these numbers are only for this test */
 153 #define COMP_RLE        1
 154 #define COMP_ZLIB       2
 155
 156 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
 157 #ifndef OPENSSL_NO_RSA
 158 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
 159 static void free_tmp_rsa(void);
 160 #endif
 161 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg);
 162 #define APP_CALLBACK "Test Callback Argument"
 163 static char *app_verify_arg = APP_CALLBACK;
 164
 165 #ifndef OPENSSL_NO_DH
 166 static DH *get_dh512(void);
 167 static DH *get_dh1024(void);
 168 static DH *get_dh1024dsa(void);
 169 #endif
 170
 171 static BIO *bio_err=NULL;
 172 static BIO *bio_stdout=NULL;
 173
 174 static char *cipher=NULL;
 175 static int verbose=0;
 176 static int debug=0;
 177 #if 0
 178 /* Not used yet. */
 179 #ifdef FIONBIO
 180 static int s_nbio=0;
 181 #endif
 182 #endif
 183
 184 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
 185
 186 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
 187 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
 188 static void sv_usage(void)
 189         {
 190         fprintf(stderr,"usage: ssltest [args ...]\n");
 191         fprintf(stderr,"\n");
 192         fprintf(stderr," -server_auth  - check server certificate\n");
 193         fprintf(stderr," -client_auth  - do client authentication\n");
 194         fprintf(stderr," -v            - more output\n");
 195         fprintf(stderr," -d            - debug output\n");
 196         fprintf(stderr," -reuse        - use session-id reuse\n");
 197         fprintf(stderr," -num <val>    - number of connections to perform\n");
 198         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
 199 #ifndef OPENSSL_NO_DH
 200         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
 201         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
 202         fprintf(stderr," -no_dhe       - disable DHE\n");
 203 #endif
 204 #ifndef OPENSSL_NO_SSL2
 205         fprintf(stderr," -ssl2         - use SSLv2\n");
 206 #endif
 207 #ifndef OPENSSL_NO_SSL3
 208         fprintf(stderr," -ssl3         - use SSLv3\n");
 209 #endif
 210 #ifndef OPENSSL_NO_TLS1
 211         fprintf(stderr," -tls1         - use TLSv1\n");
 212 #endif
 213         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
 214         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
 215         fprintf(stderr," -cert arg     - Server certificate file\n");
 216         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
 217         fprintf(stderr," -c_cert arg   - Client certificate file\n");
 218         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
 219         fprintf(stderr," -cipher arg   - The cipher list\n");
 220         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
 221         fprintf(stderr," -f            - Test even cases that can't work\n");
 222         fprintf(stderr," -time         - measure processor time used by client and server\n");
 223         fprintf(stderr," -zlib         - use zlib compression\n");
 224         fprintf(stderr," -time         - use rle compression\n");
 225         }
 226
 227 static void print_details(SSL *c_ssl, const char *prefix)
 228         {
 229         SSL_CIPHER *ciph;
 230         X509 *cert;
 231
 232         ciph=SSL_get_current_cipher(c_ssl);
 233         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
 234                 prefix,
 235                 SSL_get_version(c_ssl),
 236                 SSL_CIPHER_get_version(ciph),
 237                 SSL_CIPHER_get_name(ciph));
 238         cert=SSL_get_peer_certificate(c_ssl);
 239         if (cert != NULL)
 240                 {
 241                 EVP_PKEY *pkey = X509_get_pubkey(cert);
 242                 if (pkey != NULL)
 243                         {
 244                         if (0)
 245                                 ;
 246 #ifndef OPENSSL_NO_RSA
 247                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
 248                                 && pkey->pkey.rsa->n != NULL)
 249                                 {
 250                                 BIO_printf(bio_stdout, ", %d bit RSA",
 251                                         BN_num_bits(pkey->pkey.rsa->n));
 252                                 }
 253 #endif
 254 #ifndef OPENSSL_NO_DSA
 255                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
 256                                 && pkey->pkey.dsa->p != NULL)
 257                                 {
 258                                 BIO_printf(bio_stdout, ", %d bit DSA",
 259                                         BN_num_bits(pkey->pkey.dsa->p));
 260                                 }
 261 #endif
 262                         EVP_PKEY_free(pkey);
 263                         }
 264                 X509_free(cert);
 265                 }
 266         /* The SSL API does not allow us to look at temporary RSA/DH keys,
 267          * otherwise we should print their lengths too */
 268         BIO_printf(bio_stdout,"\n");
 269         }
 270
 271 static void lock_dbg_cb(int mode, int type, const char *file, int line)
 272         {
 273         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
 274         const char *errstr = NULL;
 275         int rw;
 276
 277         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
 278         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
 279                 {
 280                 errstr = "invalid mode";
 281                 goto err;
 282                 }
 283
 284         if (type < 0 || type > CRYPTO_NUM_LOCKS)
 285                 {
 286                 errstr = "type out of bounds";
 287                 goto err;
 288                 }
 289
 290         if (mode & CRYPTO_LOCK)
 291                 {
 292                 if (modes[type])
 293                         {
 294                         errstr = "already locked";
 295                         /* must not happen in a single-threaded program
 296                          * (would deadlock) */
 297                         goto err;
 298                         }
 299
 300                 modes[type] = rw;
 301                 }
 302         else if (mode & CRYPTO_UNLOCK)
 303                 {
 304                 if (!modes[type])
 305                         {
 306                         errstr = "not locked";
 307                         goto err;
 308                         }
 309
 310                 if (modes[type] != rw)
 311                         {
 312                         errstr = (rw == CRYPTO_READ) ?
 313                                 "CRYPTO_r_unlock on write lock" :
 314                                 "CRYPTO_w_unlock on read lock";
 315                         }
 316
 317                 modes[type] = 0;
 318                 }
 319         else
 320                 {
 321                 errstr = "invalid mode";
 322                 goto err;
 323                 }
 324
 325  err:
 326         if (errstr)
 327                 {
 328                 /* we cannot use bio_err here */
 329                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
 330                         errstr, mode, type, file, line);
 331                 }
 332         }
 333
 334 int main(int argc, char *argv[])
 335         {
 336         char *CApath=NULL,*CAfile=NULL;
 337         int badop=0;
 338         int bio_pair=0;
 339         int force=0;
 340         int tls1=0,ssl2=0,ssl3=0,ret=1;
 341         int client_auth=0;
 342         int server_auth=0,i;
 343         int app_verify=0;
 344         char *server_cert=TEST_SERVER_CERT;
 345         char *server_key=NULL;
 346         char *client_cert=TEST_CLIENT_CERT;
 347         char *client_key=NULL;
 348         SSL_CTX *s_ctx=NULL;
 349         SSL_CTX *c_ctx=NULL;
 350         SSL_METHOD *meth=NULL;
 351         SSL *c_ssl,*s_ssl;
 352         int number=1,reuse=0;
 353         long bytes=1L;
 354 #ifndef OPENSSL_NO_DH
 355         DH *dh;
 356         int dhe1024 = 0, dhe1024dsa = 0;
 357 #endif
 358         int no_dhe = 0;
 359         int print_time = 0;
 360         clock_t s_time = 0, c_time = 0;
 361         int comp = 0;
 362         COMP_METHOD *cm = NULL;
 363
 364         verbose = 0;
 365         debug = 0;
 366         cipher = 0;
 367
 368         CRYPTO_set_locking_callback(lock_dbg_cb);
 369
 370         /* enable memory leak checking unless explicitly disabled */
 371         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
 372                 {
 373                 CRYPTO_malloc_debug_init();
 374                 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
 375                 }
 376         else
 377                 {
 378                 /* OPENSSL_DEBUG_MEMORY=off */
 379                 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
 380                 }
 381         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 382
 383         RAND_seed(rnd_seed, sizeof rnd_seed);
 384
 385         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 386         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
 387
 388         argc--;
 389         argv++;
 390
 391         while (argc >= 1)
 392                 {
 393                 if      (strcmp(*argv,"-server_auth") == 0)
 394                         server_auth=1;
 395                 else if (strcmp(*argv,"-client_auth") == 0)
 396                         client_auth=1;
 397                 else if (strcmp(*argv,"-v") == 0)
 398                         verbose=1;
 399                 else if (strcmp(*argv,"-d") == 0)
 400                         debug=1;
 401                 else if (strcmp(*argv,"-reuse") == 0)
 402                         reuse=1;
 403                 else if (strcmp(*argv,"-dhe1024") == 0)
 404                         {
 405 #ifndef OPENSSL_NO_DH
 406                         dhe1024=1;
 407 #else
 408                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
 409 #endif
 410                         }
 411                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
 412                         {
 413 #ifndef OPENSSL_NO_DH
 414                         dhe1024dsa=1;
 415 #else
 416                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
 417 #endif
 418                         }
 419                 else if (strcmp(*argv,"-no_dhe") == 0)
 420                         no_dhe=1;
 421                 else if (strcmp(*argv,"-ssl2") == 0)
 422                         ssl2=1;
 423                 else if (strcmp(*argv,"-tls1") == 0)
 424                         tls1=1;
 425                 else if (strcmp(*argv,"-ssl3") == 0)
 426                         ssl3=1;
 427                 else if (strncmp(*argv,"-num",4) == 0)
 428                         {
 429                         if (--argc < 1) goto bad;
 430                         number= atoi(*(++argv));
 431                         if (number == 0) number=1;
 432                         }
 433                 else if (strcmp(*argv,"-bytes") == 0)
 434                         {
 435                         if (--argc < 1) goto bad;
 436                         bytes= atol(*(++argv));
 437                         if (bytes == 0L) bytes=1L;
 438                         i=strlen(argv[0]);
 439                         if (argv[0][i-1] == 'k') bytes*=1024L;
 440                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
 441                         }
 442                 else if (strcmp(*argv,"-cert") == 0)
 443                         {
 444                         if (--argc < 1) goto bad;
 445                         server_cert= *(++argv);
 446                         }
 447                 else if (strcmp(*argv,"-s_cert") == 0)
 448                         {
 449                         if (--argc < 1) goto bad;
 450                         server_cert= *(++argv);
 451                         }
 452                 else if (strcmp(*argv,"-key") == 0)
 453                         {
 454                         if (--argc < 1) goto bad;
 455                         server_key= *(++argv);
 456                         }
 457                 else if (strcmp(*argv,"-s_key") == 0)
 458                         {
 459                         if (--argc < 1) goto bad;
 460                         server_key= *(++argv);
 461                         }
 462                 else if (strcmp(*argv,"-c_cert") == 0)
 463                         {
 464                         if (--argc < 1) goto bad;
 465                         client_cert= *(++argv);
 466                         }
 467                 else if (strcmp(*argv,"-c_key") == 0)
 468                         {
 469                         if (--argc < 1) goto bad;
 470                         client_key= *(++argv);
 471                         }
 472                 else if (strcmp(*argv,"-cipher") == 0)
 473                         {
 474                         if (--argc < 1) goto bad;
 475                         cipher= *(++argv);
 476                         }
 477                 else if (strcmp(*argv,"-CApath") == 0)
 478                         {
 479                         if (--argc < 1) goto bad;
 480                         CApath= *(++argv);
 481                         }
 482                 else if (strcmp(*argv,"-CAfile") == 0)
 483                         {
 484                         if (--argc < 1) goto bad;
 485                         CAfile= *(++argv);
 486                         }
 487                 else if (strcmp(*argv,"-bio_pair") == 0)
 488                         {
 489                         bio_pair = 1;
 490                         }
 491                 else if (strcmp(*argv,"-f") == 0)
 492                         {
 493                         force = 1;
 494                         }
 495                 else if (strcmp(*argv,"-time") == 0)
 496                         {
 497                         print_time = 1;
 498                         }
 499                 else if (strcmp(*argv,"-zlib") == 0)
 500                         {
 501                         comp = COMP_ZLIB;
 502                         }
 503                 else if (strcmp(*argv,"-rle") == 0)
 504                         {
 505                         comp = COMP_RLE;
 506                         }
 507                 else if (strcmp(*argv,"-app_verify") == 0)
 508                         {
 509                         app_verify = 1;
 510                         }
 511                 else
 512                         {
 513                         fprintf(stderr,"unknown option %s\n",*argv);
 514                         badop=1;
 515                         break;
 516                         }
 517                 argc--;
 518                 argv++;
 519                 }
 520         if (badop)
 521                 {
 522 bad:
 523                 sv_usage();
 524                 goto end;
 525                 }
 526
 527         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
 528                 {
 529                 fprintf(stderr, "This case cannot work.  Use -f to perform "
 530                         "the test anyway (and\n-d to see what happens), "
 531                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
 532                         "to avoid protocol mismatch.\n");
 533                 exit(1);
 534                 }
 535
 536         if (print_time)
 537                 {
 538                 if (!bio_pair)
 539                         {
 540                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
 541                         bio_pair = 1;
 542                         }
 543                 if (number < 50 && !force)
 544                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
 545                 }
 546
 547 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
 548
 549         SSL_library_init();
 550         SSL_load_error_strings();
 551
 552         if (comp == COMP_ZLIB) cm = COMP_zlib();
 553         if (comp == COMP_RLE) cm = COMP_rle();
 554         if (cm != NULL)
 555                 {
 556                 if (cm->type != NID_undef)
 557                         SSL_COMP_add_compression_method(comp, cm);
 558                 else
 559                         {
 560                         fprintf(stderr,
 561                                 "Warning: %s compression not supported\n",
 562                                 (comp == COMP_RLE ? "rle" :
 563                                         (comp == COMP_ZLIB ? "zlib" :
 564                                                 "unknown")));
 565                         ERR_print_errors_fp(stderr);
 566                         }
 567                 }
 568
 569 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 570         if (ssl2)
 571                 meth=SSLv2_method();
 572         else
 573         if (tls1)
 574                 meth=TLSv1_method();
 575         else
 576         if (ssl3)
 577                 meth=SSLv3_method();
 578         else
 579                 meth=SSLv23_method();
 580 #else
 581 #ifdef OPENSSL_NO_SSL2
 582         meth=SSLv3_method();
 583 #else
 584         meth=SSLv2_method();
 585 #endif
 586 #endif
 587
 588         c_ctx=SSL_CTX_new(meth);
 589         s_ctx=SSL_CTX_new(meth);
 590         if ((c_ctx == NULL) || (s_ctx == NULL))
 591                 {
 592                 ERR_print_errors(bio_err);
 593                 goto end;
 594                 }
 595
 596         if (cipher != NULL)
 597                 {
 598                 SSL_CTX_set_cipher_list(c_ctx,cipher);
 599                 SSL_CTX_set_cipher_list(s_ctx,cipher);
 600                 }
 601
 602 #ifndef OPENSSL_NO_DH
 603         if (!no_dhe)
 604                 {
 605                 if (dhe1024dsa)
 606                         {
 607                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
 608                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
 609                         dh=get_dh1024dsa();
 610                         }
 611                 else if (dhe1024)
 612                         dh=get_dh1024();
 613                 else
 614                         dh=get_dh512();
 615                 SSL_CTX_set_tmp_dh(s_ctx,dh);
 616                 DH_free(dh);
 617                 }
 618 #else
 619         (void)no_dhe;
 620 #endif
 621
 622 #ifndef OPENSSL_NO_RSA
 623         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
 624 #endif
 625
 626         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
 627                 {
 628                 ERR_print_errors(bio_err);
 629                 }
 630         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
 631                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
 632                 {
 633                 ERR_print_errors(bio_err);
 634                 goto end;
 635                 }
 636
 637         if (client_auth)
 638                 {
 639                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
 640                         SSL_FILETYPE_PEM);
 641                 SSL_CTX_use_PrivateKey_file(c_ctx,
 642                         (client_key?client_key:client_cert),
 643                         SSL_FILETYPE_PEM);
 644                 }
 645
 646         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
 647                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
 648                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
 649                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
 650                 {
 651                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
 652                 ERR_print_errors(bio_err);
 653                 /* goto end; */
 654                 }
 655
 656         if (client_auth)
 657                 {
 658                 BIO_printf(bio_err,"client authentication\n");
 659                 SSL_CTX_set_verify(s_ctx,
 660                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
 661                         verify_callback);
 662                 if (app_verify)
 663                         {
 664                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
 665                         }
 666                 }
 667         if (server_auth)
 668                 {
 669                 BIO_printf(bio_err,"server authentication\n");
 670                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
 671                         verify_callback);
 672                 if (app_verify)
 673                         {
 674                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
 675                         }
 676                 }
 677
 678         {
 679                 int session_id_context = 0;
 680                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
 681         }
 682
 683         c_ssl=SSL_new(c_ctx);
 684         s_ssl=SSL_new(s_ctx);
 685
 686 #ifndef OPENSSL_NO_KRB5
 687         if (c_ssl  &&  c_ssl->kssl_ctx)
 688                 {
 689                 char    localhost[257];
 690
 691                 if (gethostname(localhost, 256) == 0)
 692                         {
 693                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
 694                                 localhost);
 695                         }
 696                 }
 697 #endif    /* OPENSSL_NO_KRB5  */
 698
 699         for (i=0; i<number; i++)
 700                 {
 701                 if (!reuse) SSL_set_session(c_ssl,NULL);
 702                 if (bio_pair)
 703                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
 704                 else
 705                         ret=doit(s_ssl,c_ssl,bytes);
 706                 }
 707
 708         if (!verbose)
 709                 {
 710                 print_details(c_ssl, "");
 711                 }
 712         if ((number > 1) || (bytes > 1L))
 713                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
 714         if (print_time)
 715                 {
 716 #ifdef CLOCKS_PER_SEC
 717                 /* "To determine the time in seconds, the value returned
 718                  * by the clock function should be divided by the value
 719                  * of the macro CLOCKS_PER_SEC."
 720                  *                                       -- ISO/IEC 9899 */
 721                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
 722                         "Approximate total client time: %6.2f s\n",
 723                         (double)s_time/CLOCKS_PER_SEC,
 724                         (double)c_time/CLOCKS_PER_SEC);
 725 #else
 726                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
 727                  *                            -- cc on NeXTstep/OpenStep */
 728                 BIO_printf(bio_stdout,
 729                         "Approximate total server time: %6.2f units\n"
 730                         "Approximate total client time: %6.2f units\n",
 731                         (double)s_time,
 732                         (double)c_time);
 733 #endif
 734                 }
 735
 736         SSL_free(s_ssl);
 737         SSL_free(c_ssl);
 738
 739 end:
 740         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
 741         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
 742
 743         if (bio_stdout != NULL) BIO_free(bio_stdout);
 744
 745 #ifndef OPENSSL_NO_RSA
 746         free_tmp_rsa();
 747 #endif
 748         ENGINE_cleanup();
 749         CRYPTO_cleanup_all_ex_data();
 750         ERR_free_strings();
 751         ERR_remove_state(0);
 752         EVP_cleanup();
 753         CRYPTO_mem_leaks(bio_err);
 754         if (bio_err != NULL) BIO_free(bio_err);
 755         EXIT(ret);
 756         }
 757
 758 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
 759         clock_t *s_time, clock_t *c_time)
 760         {
 761         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
 762         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
 763         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
 764         int ret = 1;
 765
 766         size_t bufsiz = 256; /* small buffer for testing */
 767
 768         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
 769                 goto err;
 770         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
 771                 goto err;
 772
 773         s_ssl_bio = BIO_new(BIO_f_ssl());
 774         if (!s_ssl_bio)
 775                 goto err;
 776
 777         c_ssl_bio = BIO_new(BIO_f_ssl());
 778         if (!c_ssl_bio)
 779                 goto err;
 780
 781         SSL_set_connect_state(c_ssl);
 782         SSL_set_bio(c_ssl, client, client);
 783         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
 784
 785         SSL_set_accept_state(s_ssl);
 786         SSL_set_bio(s_ssl, server, server);
 787         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
 788
 789         do
 790                 {
 791                 /* c_ssl_bio:          SSL filter BIO
 792                  *
 793                  * client:             pseudo-I/O for SSL library
 794                  *
 795                  * client_io:          client's SSL communication; usually to be
 796                  *                     relayed over some I/O facility, but in this
 797                  *                     test program, we're the server, too:
 798                  *
 799                  * server_io:          server's SSL communication
 800                  *
 801                  * server:             pseudo-I/O for SSL library
 802                  *
 803                  * s_ssl_bio:          SSL filter BIO
 804                  *
 805                  * The client and the server each employ a "BIO pair":
 806                  * client + client_io, server + server_io.
 807                  * BIO pairs are symmetric.  A BIO pair behaves similar
 808                  * to a non-blocking socketpair (but both endpoints must
 809                  * be handled by the same thread).
 810                  * [Here we could connect client and server to the ends
 811                  * of a single BIO pair, but then this code would be less
 812                  * suitable as an example for BIO pairs in general.]
 813                  *
 814                  * Useful functions for querying the state of BIO pair endpoints:
 815                  *
 816                  * BIO_ctrl_pending(bio)              number of bytes we can read now
 817                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
 818                  *                                      other side's read attempt
 819                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
 820                  *
 821                  * ..._read_request is never more than ..._write_guarantee;
 822                  * it depends on the application which one you should use.
 823                  */
 824
 825                 /* We have non-blocking behaviour throughout this test program, but
 826                  * can be sure that there is *some* progress in each iteration; so
 827                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
 828                  * -- we just try everything in each iteration
 829                  */
 830
 831                         {
 832                         /* CLIENT */
 833
 834                         MS_STATIC char cbuf[1024*8];
 835                         int i, r;
 836                         clock_t c_clock = clock();
 837
 838                         if (debug)
 839                                 if (SSL_in_init(c_ssl))
 840                                         printf("client waiting in SSL_connect - %s\n",
 841                                                 SSL_state_string_long(c_ssl));
 842
 843                         if (cw_num > 0)
 844                                 {
 845                                 /* Write to server. */
 846
 847                                 if (cw_num > (long)sizeof cbuf)
 848                                         i = sizeof cbuf;
 849                                 else
 850                                         i = (int)cw_num;
 851                                 r = BIO_write(c_ssl_bio, cbuf, i);
 852                                 if (r < 0)
 853                                         {
 854                                         if (!BIO_should_retry(c_ssl_bio))
 855                                                 {
 856                                                 fprintf(stderr,"ERROR in CLIENT\n");
 857                                                 goto err;
 858                                                 }
 859                                         /* BIO_should_retry(...) can just be ignored here.
 860                                          * The library expects us to call BIO_write with
 861                                          * the same arguments again, and that's what we will
 862                                          * do in the next iteration. */
 863                                         }
 864                                 else if (r == 0)
 865                                         {
 866                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 867                                         goto err;
 868                                         }
 869                                 else
 870                                         {
 871                                         if (debug)
 872                                                 printf("client wrote %d\n", r);
 873                                         cw_num -= r;
 874                                         }
 875                                 }
 876
 877                         if (cr_num > 0)
 878                                 {
 879                                 /* Read from server. */
 880
 881                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
 882                                 if (r < 0)
 883                                         {
 884                                         if (!BIO_should_retry(c_ssl_bio))
 885                                                 {
 886                                                 fprintf(stderr,"ERROR in CLIENT\n");
 887                                                 goto err;
 888                                                 }
 889                                         /* Again, "BIO_should_retry" can be ignored. */
 890                                         }
 891                                 else if (r == 0)
 892                                         {
 893                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 894                                         goto err;
 895                                         }
 896                                 else
 897                                         {
 898                                         if (debug)
 899                                                 printf("client read %d\n", r);
 900                                         cr_num -= r;
 901                                         }
 902                                 }
 903
 904                         /* c_time and s_time increments will typically be very small
 905                          * (depending on machine speed and clock tick intervals),
 906                          * but sampling over a large number of connections should
 907                          * result in fairly accurate figures.  We cannot guarantee
 908                          * a lot, however -- if each connection lasts for exactly
 909                          * one clock tick, it will be counted only for the client
 910                          * or only for the server or even not at all.
 911                          */
 912                         *c_time += (clock() - c_clock);
 913                         }
 914
 915                         {
 916                         /* SERVER */
 917
 918                         MS_STATIC char sbuf[1024*8];
 919                         int i, r;
 920                         clock_t s_clock = clock();
 921
 922                         if (debug)
 923                                 if (SSL_in_init(s_ssl))
 924                                         printf("server waiting in SSL_accept - %s\n",
 925                                                 SSL_state_string_long(s_ssl));
 926
 927                         if (sw_num > 0)
 928                                 {
 929                                 /* Write to client. */
 930
 931                                 if (sw_num > (long)sizeof sbuf)
 932                                         i = sizeof sbuf;
 933                                 else
 934                                         i = (int)sw_num;
 935                                 r = BIO_write(s_ssl_bio, sbuf, i);
 936                                 if (r < 0)
 937                                         {
 938                                         if (!BIO_should_retry(s_ssl_bio))
 939                                                 {
 940                                                 fprintf(stderr,"ERROR in SERVER\n");
 941                                                 goto err;
 942                                                 }
 943                                         /* Ignore "BIO_should_retry". */
 944                                         }
 945                                 else if (r == 0)
 946                                         {
 947                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
 948                                         goto err;
 949                                         }
 950                                 else
 951                                         {
 952                                         if (debug)
 953                                                 printf("server wrote %d\n", r);
 954                                         sw_num -= r;
 955                                         }
 956                                 }
 957
 958                         if (sr_num > 0)
 959                                 {
 960                                 /* Read from client. */
 961
 962                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
 963                                 if (r < 0)
 964                                         {
 965                                         if (!BIO_should_retry(s_ssl_bio))
 966                                                 {
 967                                                 fprintf(stderr,"ERROR in SERVER\n");
 968                                                 goto err;
 969                                                 }
 970                                         /* blah, blah */
 971                                         }
 972                                 else if (r == 0)
 973                                         {
 974                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
 975                                         goto err;
 976                                         }
 977                                 else
 978                                         {
 979                                         if (debug)
 980                                                 printf("server read %d\n", r);
 981                                         sr_num -= r;
 982                                         }
 983                                 }
 984
 985                         *s_time += (clock() - s_clock);
 986                         }
 987
 988                         {
 989                         /* "I/O" BETWEEN CLIENT AND SERVER. */
 990
 991                         size_t r1, r2;
 992                         BIO *io1 = server_io, *io2 = client_io;
 993                         /* we use the non-copying interface for io1
 994                          * and the standard BIO_write/BIO_read interface for io2
 995                          */
 996
 997                         static int prev_progress = 1;
 998                         int progress = 0;
 999
1000                         /* io1 to io2 */
1001                         do
1002                                 {
1003                                 size_t num;
1004                                 int r;
1005
1006                                 r1 = BIO_ctrl_pending(io1);
1007                                 r2 = BIO_ctrl_get_write_guarantee(io2);
1008
1009                                 num = r1;
1010                                 if (r2 < num)
1011                                         num = r2;
1012                                 if (num)
1013                                         {
1014                                         char *dataptr;
1015
1016                                         if (INT_MAX < num) /* yeah, right */
1017                                                 num = INT_MAX;
1018
1019                                         r = BIO_nread(io1, &dataptr, (int)num);
1020                                         assert(r > 0);
1021                                         assert(r <= (int)num);
1022                                         /* possibly r < num (non-contiguous data) */
1023                                         num = r;
1024                                         r = BIO_write(io2, dataptr, (int)num);
1025                                         if (r != (int)num) /* can't happen */
1026                                                 {
1027                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1028                                                         "BIO_ctrl_get_write_guarantee() bytes");
1029                                                 goto err;
1030                                                 }
1031                                         progress = 1;
1032
1033                                         if (debug)
1034                                                 printf((io1 == client_io) ?
1035                                                         "C->S relaying: %d bytes\n" :
1036                                                         "S->C relaying: %d bytes\n",
1037                                                         (int)num);
1038                                         }
1039                                 }
1040                         while (r1 && r2);
1041
1042                         /* io2 to io1 */
1043                         {
1044                                 size_t num;
1045                                 int r;
1046
1047                                 r1 = BIO_ctrl_pending(io2);
1048                                 r2 = BIO_ctrl_get_read_request(io1);
1049                                 /* here we could use ..._get_write_guarantee instead of
1050                                  * ..._get_read_request, but by using the latter
1051                                  * we test restartability of the SSL implementation
1052                                  * more thoroughly */
1053                                 num = r1;
1054                                 if (r2 < num)
1055                                         num = r2;
1056                                 if (num)
1057                                         {
1058                                         char *dataptr;
1059
1060                                         if (INT_MAX < num)
1061                                                 num = INT_MAX;
1062
1063                                         if (num > 1)
1064                                                 --num; /* test restartability even more thoroughly */
1065
1066                                         r = BIO_nwrite0(io1, &dataptr);
1067                                         assert(r > 0);
1068                                         if (r < (int)num)
1069                                                 num = r;
1070                                         r = BIO_read(io2, dataptr, (int)num);
1071                                         if (r != (int)num) /* can't happen */
1072                                                 {
1073                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1074                                                         "BIO_ctrl_pending() bytes");
1075                                                 goto err;
1076                                                 }
1077                                         progress = 1;
1078                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1079                                         if (r != (int)num) /* can't happen */
1080                                                 {
1081                                                 fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
1082                                                         "BIO_nwrite0() bytes");
1083                                                 goto err;
1084                                                 }
1085
1086                                         if (debug)
1087                                                 printf((io2 == client_io) ?
1088                                                         "C->S relaying: %d bytes\n" :
1089                                                         "S->C relaying: %d bytes\n",
1090                                                         (int)num);
1091                                         }
1092                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1093
1094                         if (!progress && !prev_progress)
1095                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1096                                         {
1097                                         fprintf(stderr, "ERROR: got stuck\n");
1098                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1099                                                 {
1100                                                 fprintf(stderr, "This can happen for SSL2 because "
1101                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1102                                                         "concurrently ...");
1103                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1104                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1105                                                         {
1106                                                         fprintf(stderr, " ok.\n");
1107                                                         goto end;
1108                                                         }
1109                                                 }
1110                                         fprintf(stderr, " ERROR.\n");
1111                                         goto err;
1112                                         }
1113                         prev_progress = progress;
1114                         }
1115                 }
1116         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1117
1118         if (verbose)
1119                 print_details(c_ssl, "DONE via BIO pair: ");
1120 end:
1121         ret = 0;
1122
1123  err:
1124         ERR_print_errors(bio_err);
1125
1126         if (server)
1127                 BIO_free(server);
1128         if (server_io)
1129                 BIO_free(server_io);
1130         if (client)
1131                 BIO_free(client);
1132         if (client_io)
1133                 BIO_free(client_io);
1134         if (s_ssl_bio)
1135                 BIO_free(s_ssl_bio);
1136         if (c_ssl_bio)
1137                 BIO_free(c_ssl_bio);
1138
1139         return ret;
1140         }
1141
1142
1143 #define W_READ  1
1144 #define W_WRITE 2
1145 #define C_DONE  1
1146 #define S_DONE  2
1147
1148 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1149         {
1150         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1151         long cw_num=count,cr_num=count;
1152         long sw_num=count,sr_num=count;
1153         int ret=1;
1154         BIO *c_to_s=NULL;
1155         BIO *s_to_c=NULL;
1156         BIO *c_bio=NULL;
1157         BIO *s_bio=NULL;
1158         int c_r,c_w,s_r,s_w;
1159         int c_want,s_want;
1160         int i,j;
1161         int done=0;
1162         int c_write,s_write;
1163         int do_server=0,do_client=0;
1164
1165         c_to_s=BIO_new(BIO_s_mem());
1166         s_to_c=BIO_new(BIO_s_mem());
1167         if ((s_to_c == NULL) || (c_to_s == NULL))
1168                 {
1169                 ERR_print_errors(bio_err);
1170                 goto err;
1171                 }
1172
1173         c_bio=BIO_new(BIO_f_ssl());
1174         s_bio=BIO_new(BIO_f_ssl());
1175         if ((c_bio == NULL) || (s_bio == NULL))
1176                 {
1177                 ERR_print_errors(bio_err);
1178                 goto err;
1179                 }
1180
1181         SSL_set_connect_state(c_ssl);
1182         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1183         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1184
1185         SSL_set_accept_state(s_ssl);
1186         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1187         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1188
1189         c_r=0; s_r=1;
1190         c_w=1; s_w=0;
1191         c_want=W_WRITE;
1192         s_want=0;
1193         c_write=1,s_write=0;
1194
1195         /* We can always do writes */
1196         for (;;)
1197                 {
1198                 do_server=0;
1199                 do_client=0;
1200
1201                 i=(int)BIO_pending(s_bio);
1202                 if ((i && s_r) || s_w) do_server=1;
1203
1204                 i=(int)BIO_pending(c_bio);
1205                 if ((i && c_r) || c_w) do_client=1;
1206
1207                 if (do_server && debug)
1208                         {
1209                         if (SSL_in_init(s_ssl))
1210                                 printf("server waiting in SSL_accept - %s\n",
1211                                         SSL_state_string_long(s_ssl));
1212 /*                      else if (s_write)
1213                                 printf("server:SSL_write()\n");
1214                         else
1215                                 printf("server:SSL_read()\n"); */
1216                         }
1217
1218                 if (do_client && debug)
1219                         {
1220                         if (SSL_in_init(c_ssl))
1221                                 printf("client waiting in SSL_connect - %s\n",
1222                                         SSL_state_string_long(c_ssl));
1223 /*                      else if (c_write)
1224                                 printf("client:SSL_write()\n");
1225                         else
1226                                 printf("client:SSL_read()\n"); */
1227                         }
1228
1229                 if (!do_client && !do_server)
1230                         {
1231                         fprintf(stdout,"ERROR IN STARTUP\n");
1232                         ERR_print_errors(bio_err);
1233                         break;
1234                         }
1235                 if (do_client && !(done & C_DONE))
1236                         {
1237                         if (c_write)
1238                                 {
1239                                 j=(cw_num > (long)sizeof(cbuf))
1240                                         ?sizeof(cbuf):(int)cw_num;
1241                                 i=BIO_write(c_bio,cbuf,j);
1242                                 if (i < 0)
1243                                         {
1244                                         c_r=0;
1245                                         c_w=0;
1246                                         if (BIO_should_retry(c_bio))
1247                                                 {
1248                                                 if (BIO_should_read(c_bio))
1249                                                         c_r=1;
1250                                                 if (BIO_should_write(c_bio))
1251                                                         c_w=1;
1252                                                 }
1253                                         else
1254                                                 {
1255                                                 fprintf(stderr,"ERROR in CLIENT\n");
1256                                                 ERR_print_errors(bio_err);
1257                                                 goto err;
1258                                                 }
1259                                         }
1260                                 else if (i == 0)
1261                                         {
1262                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1263                                         goto err;
1264                                         }
1265                                 else
1266                                         {
1267                                         if (debug)
1268                                                 printf("client wrote %d\n",i);
1269                                         /* ok */
1270                                         s_r=1;
1271                                         c_write=0;
1272                                         cw_num-=i;
1273                                         }
1274                                 }
1275                         else
1276                                 {
1277                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1278                                 if (i < 0)
1279                                         {
1280                                         c_r=0;
1281                                         c_w=0;
1282                                         if (BIO_should_retry(c_bio))
1283                                                 {
1284                                                 if (BIO_should_read(c_bio))
1285                                                         c_r=1;
1286                                                 if (BIO_should_write(c_bio))
1287                                                         c_w=1;
1288                                                 }
1289                                         else
1290                                                 {
1291                                                 fprintf(stderr,"ERROR in CLIENT\n");
1292                                                 ERR_print_errors(bio_err);
1293                                                 goto err;
1294                                                 }
1295                                         }
1296                                 else if (i == 0)
1297                                         {
1298                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1299                                         goto err;
1300                                         }
1301                                 else
1302                                         {
1303                                         if (debug)
1304                                                 printf("client read %d\n",i);
1305                                         cr_num-=i;
1306                                         if (sw_num > 0)
1307                                                 {
1308                                                 s_write=1;
1309                                                 s_w=1;
1310                                                 }
1311                                         if (cr_num <= 0)
1312                                                 {
1313                                                 s_write=1;
1314                                                 s_w=1;
1315                                                 done=S_DONE|C_DONE;
1316                                                 }
1317                                         }
1318                                 }
1319                         }
1320
1321                 if (do_server && !(done & S_DONE))
1322                         {
1323                         if (!s_write)
1324                                 {
1325                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1326                                 if (i < 0)
1327                                         {
1328                                         s_r=0;
1329                                         s_w=0;
1330                                         if (BIO_should_retry(s_bio))
1331                                                 {
1332                                                 if (BIO_should_read(s_bio))
1333                                                         s_r=1;
1334                                                 if (BIO_should_write(s_bio))
1335                                                         s_w=1;
1336                                                 }
1337                                         else
1338                                                 {
1339                                                 fprintf(stderr,"ERROR in SERVER\n");
1340                                                 ERR_print_errors(bio_err);
1341                                                 goto err;
1342                                                 }
1343                                         }
1344                                 else if (i == 0)
1345                                         {
1346                                         ERR_print_errors(bio_err);
1347                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1348                                         goto err;
1349                                         }
1350                                 else
1351                                         {
1352                                         if (debug)
1353                                                 printf("server read %d\n",i);
1354                                         sr_num-=i;
1355                                         if (cw_num > 0)
1356                                                 {
1357                                                 c_write=1;
1358                                                 c_w=1;
1359                                                 }
1360                                         if (sr_num <= 0)
1361                                                 {
1362                                                 s_write=1;
1363                                                 s_w=1;
1364                                                 c_write=0;
1365                                                 }
1366                                         }
1367                                 }
1368                         else
1369                                 {
1370                                 j=(sw_num > (long)sizeof(sbuf))?
1371                                         sizeof(sbuf):(int)sw_num;
1372                                 i=BIO_write(s_bio,sbuf,j);
1373                                 if (i < 0)
1374                                         {
1375                                         s_r=0;
1376                                         s_w=0;
1377                                         if (BIO_should_retry(s_bio))
1378                                                 {
1379                                                 if (BIO_should_read(s_bio))
1380                                                         s_r=1;
1381                                                 if (BIO_should_write(s_bio))
1382                                                         s_w=1;
1383                                                 }
1384                                         else
1385                                                 {
1386                                                 fprintf(stderr,"ERROR in SERVER\n");
1387                                                 ERR_print_errors(bio_err);
1388                                                 goto err;
1389                                                 }
1390                                         }
1391                                 else if (i == 0)
1392                                         {
1393                                         ERR_print_errors(bio_err);
1394                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1395                                         goto err;
1396                                         }
1397                                 else
1398                                         {
1399                                         if (debug)
1400                                                 printf("server wrote %d\n",i);
1401                                         sw_num-=i;
1402                                         s_write=0;
1403                                         c_r=1;
1404                                         if (sw_num <= 0)
1405                                                 done|=S_DONE;
1406                                         }
1407                                 }
1408                         }
1409
1410                 if ((done & S_DONE) && (done & C_DONE)) break;
1411                 }
1412
1413         if (verbose)
1414                 print_details(c_ssl, "DONE: ");
1415         ret=0;
1416 err:
1417         /* We have to set the BIO's to NULL otherwise they will be
1418          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1419          * again when c_ssl is SSL_free()ed.
1420          * This is a hack required because s_ssl and c_ssl are sharing the same
1421          * BIO structure and SSL_set_bio() and SSL_free() automatically
1422          * BIO_free non NULL entries.
1423          * You should not normally do this or be required to do this */
1424         if (s_ssl != NULL)
1425                 {
1426                 s_ssl->rbio=NULL;
1427                 s_ssl->wbio=NULL;
1428                 }
1429         if (c_ssl != NULL)
1430                 {
1431                 c_ssl->rbio=NULL;
1432                 c_ssl->wbio=NULL;
1433                 }
1434
1435         if (c_to_s != NULL) BIO_free(c_to_s);
1436         if (s_to_c != NULL) BIO_free(s_to_c);
1437         if (c_bio != NULL) BIO_free_all(c_bio);
1438         if (s_bio != NULL) BIO_free_all(s_bio);
1439         return(ret);
1440         }
1441
1442 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1443         {
1444         char *s,buf[256];
1445
1446         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,256);
1447         if (s != NULL)
1448                 {
1449                 if (ok)
1450                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1451                 else
1452                         fprintf(stderr,"depth=%d error=%d %s\n",
1453                                 ctx->error_depth,ctx->error,buf);
1454                 }
1455
1456         if (ok == 0)
1457                 {
1458                 switch (ctx->error)
1459                         {
1460                 case X509_V_ERR_CERT_NOT_YET_VALID:
1461                 case X509_V_ERR_CERT_HAS_EXPIRED:
1462                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1463                         ok=1;
1464                         }
1465                 }
1466
1467         return(ok);
1468         }
1469
1470 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
1471         {
1472         char *s = NULL,buf[256];
1473         int ok=1;
1474
1475         fprintf(stderr, "In app_verify_callback, allowing cert. ");
1476         fprintf(stderr, "Arg is: %s\n", (char *)arg);
1477         fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
1478                         (unsigned int)ctx, (unsigned int)ctx->cert);
1479         if (ctx->cert)
1480                 s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
1481         if (s != NULL)
1482                 {
1483                         fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
1484                 }
1485
1486         return(ok);
1487         }
1488
1489 #ifndef OPENSSL_NO_RSA
1490 static RSA *rsa_tmp=NULL;
1491
1492 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1493         {
1494         if (rsa_tmp == NULL)
1495                 {
1496                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1497                 (void)BIO_flush(bio_err);
1498                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1499                 BIO_printf(bio_err,"\n");
1500                 (void)BIO_flush(bio_err);
1501                 }
1502         return(rsa_tmp);
1503         }
1504
1505 static void free_tmp_rsa(void)
1506         {
1507         if (rsa_tmp != NULL)
1508                 {
1509                 RSA_free(rsa_tmp);
1510                 rsa_tmp = NULL;
1511                 }
1512         }
1513 #endif
1514
1515 #ifndef OPENSSL_NO_DH
1516 /* These DH parameters have been generated as follows:
1517  *    $ openssl dhparam -C -noout 512
1518  *    $ openssl dhparam -C -noout 1024
1519  *    $ openssl dhparam -C -noout -dsaparam 1024
1520  * (The third function has been renamed to avoid name conflicts.)
1521  */
1522 static DH *get_dh512()
1523         {
1524         static unsigned char dh512_p[]={
1525                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1526                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1527                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1528                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1529                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1530                 0x02,0xC5,0xAE,0x23,
1531                 };
1532         static unsigned char dh512_g[]={
1533                 0x02,
1534                 };
1535         DH *dh;
1536
1537         if ((dh=DH_new()) == NULL) return(NULL);
1538         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1539         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1540         if ((dh->p == NULL) || (dh->g == NULL))
1541                 { DH_free(dh); return(NULL); }
1542         return(dh);
1543         }
1544
1545 static DH *get_dh1024()
1546         {
1547         static unsigned char dh1024_p[]={
1548                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1549                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1550                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1551                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1552                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1553                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1554                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1555                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1556                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1557                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1558                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1559                 };
1560         static unsigned char dh1024_g[]={
1561                 0x02,
1562                 };
1563         DH *dh;
1564
1565         if ((dh=DH_new()) == NULL) return(NULL);
1566         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1567         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1568         if ((dh->p == NULL) || (dh->g == NULL))
1569                 { DH_free(dh); return(NULL); }
1570         return(dh);
1571         }
1572
1573 static DH *get_dh1024dsa()
1574         {
1575         static unsigned char dh1024_p[]={
1576                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1577                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1578                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1579                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1580                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1581                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1582                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1583                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1584                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1585                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1586                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1587                 };
1588         static unsigned char dh1024_g[]={
1589                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1590                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1591                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1592                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1593                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1594                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1595                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1596                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1597                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1598                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1599                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1600                 };
1601         DH *dh;
1602
1603         if ((dh=DH_new()) == NULL) return(NULL);
1604         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1605         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1606         if ((dh->p == NULL) || (dh->g == NULL))
1607                 { DH_free(dh); return(NULL); }
1608         dh->length = 160;
1609         return(dh);
1610         }
1611 #endif