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  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116
 117 #define _XOPEN_SOURCE 600       /* Or gethostname won't be declared properly
 118                                    on Linux and GNU platforms. */
 119 #define _XOPEN_SOURCE_EXTENDED  1 /* Or gethostname won't be declared properly
 120                                    on Compaq platforms (at least with DEC C).
 121                                 */
 122
 123 #include <assert.h>
 124 #include <errno.h>
 125 #include <limits.h>
 126 #include <stdio.h>
 127 #include <stdlib.h>
 128 #include <string.h>
 129 #include <time.h>
 130
 131 #include "e_os.h"
 132
 133 #include <openssl/bio.h>
 134 #include <openssl/crypto.h>
 135 #include <openssl/evp.h>
 136 #include <openssl/x509.h>
 137 #include <openssl/ssl.h>
 138 #include <openssl/engine.h>
 139 #include <openssl/err.h>
 140 #include <openssl/rand.h>
 141 #ifdef OPENSSL_SYS_WINDOWS
 142 #include <winsock.h>
 143 #include "../crypto/bio/bss_file.c"
 144 #else
 145 #include OPENSSL_UNISTD
 146 #endif
 147
 148 #ifdef OPENSSL_SYS_VMS
 149 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
 150 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
 151 #else
 152 #  define TEST_SERVER_CERT "../apps/server.pem"
 153 #  define TEST_CLIENT_CERT "../apps/client.pem"
 154 #endif
 155
 156 /* There is really no standard for this, so let's assign some tentative
 157    numbers.  In any case, these numbers are only for this test */
 158 #define COMP_RLE        1
 159 #define COMP_ZLIB       2
 160
 161 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
 162 #ifndef OPENSSL_NO_RSA
 163 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
 164 static void free_tmp_rsa(void);
 165 #endif
 166 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg);
 167 #define APP_CALLBACK "Test Callback Argument"
 168 static char *app_verify_arg = APP_CALLBACK;
 169
 170 #ifndef OPENSSL_NO_DH
 171 static DH *get_dh512(void);
 172 static DH *get_dh1024(void);
 173 static DH *get_dh1024dsa(void);
 174 #endif
 175
 176 static BIO *bio_err=NULL;
 177 static BIO *bio_stdout=NULL;
 178
 179 static char *cipher=NULL;
 180 static int verbose=0;
 181 static int debug=0;
 182 #if 0
 183 /* Not used yet. */
 184 #ifdef FIONBIO
 185 static int s_nbio=0;
 186 #endif
 187 #endif
 188
 189 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
 190
 191 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
 192 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
 193 static void sv_usage(void)
 194         {
 195         fprintf(stderr,"usage: ssltest [args ...]\n");
 196         fprintf(stderr,"\n");
 197         fprintf(stderr," -server_auth  - check server certificate\n");
 198         fprintf(stderr," -client_auth  - do client authentication\n");
 199         fprintf(stderr," -v            - more output\n");
 200         fprintf(stderr," -d            - debug output\n");
 201         fprintf(stderr," -reuse        - use session-id reuse\n");
 202         fprintf(stderr," -num <val>    - number of connections to perform\n");
 203         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
 204 #ifndef OPENSSL_NO_DH
 205         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
 206         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
 207         fprintf(stderr," -no_dhe       - disable DHE\n");
 208 #endif
 209 #ifndef OPENSSL_NO_ECDH
 210         fprintf(stderr," -no_ecdhe     - disable ECDHE\n");
 211 #endif
 212 #ifndef OPENSSL_NO_SSL2
 213         fprintf(stderr," -ssl2         - use SSLv2\n");
 214 #endif
 215 #ifndef OPENSSL_NO_SSL3
 216         fprintf(stderr," -ssl3         - use SSLv3\n");
 217 #endif
 218 #ifndef OPENSSL_NO_TLS1
 219         fprintf(stderr," -tls1         - use TLSv1\n");
 220 #endif
 221         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
 222         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
 223         fprintf(stderr," -cert arg     - Server certificate file\n");
 224         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
 225         fprintf(stderr," -c_cert arg   - Client certificate file\n");
 226         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
 227         fprintf(stderr," -cipher arg   - The cipher list\n");
 228         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
 229         fprintf(stderr," -f            - Test even cases that can't work\n");
 230         fprintf(stderr," -time         - measure processor time used by client and server\n");
 231         fprintf(stderr," -zlib         - use zlib compression\n");
 232         fprintf(stderr," -rle          - use rle compression\n");
 233 #ifndef OPENSSL_NO_ECDH
 234         fprintf(stderr," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 235                        "                 Use \"openssl ecparam -list_curves\" for all names\n"  \
 236                        "                 (default is sect163r2).\n");
 237 #endif
 238         }
 239
 240 static void print_details(SSL *c_ssl, const char *prefix)
 241         {
 242         SSL_CIPHER *ciph;
 243         X509 *cert;
 244
 245         ciph=SSL_get_current_cipher(c_ssl);
 246         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
 247                 prefix,
 248                 SSL_get_version(c_ssl),
 249                 SSL_CIPHER_get_version(ciph),
 250                 SSL_CIPHER_get_name(ciph));
 251         cert=SSL_get_peer_certificate(c_ssl);
 252         if (cert != NULL)
 253                 {
 254                 EVP_PKEY *pkey = X509_get_pubkey(cert);
 255                 if (pkey != NULL)
 256                         {
 257                         if (0)
 258                                 ;
 259 #ifndef OPENSSL_NO_RSA
 260                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
 261                                 && pkey->pkey.rsa->n != NULL)
 262                                 {
 263                                 BIO_printf(bio_stdout, ", %d bit RSA",
 264                                         BN_num_bits(pkey->pkey.rsa->n));
 265                                 }
 266 #endif
 267 #ifndef OPENSSL_NO_DSA
 268                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
 269                                 && pkey->pkey.dsa->p != NULL)
 270                                 {
 271                                 BIO_printf(bio_stdout, ", %d bit DSA",
 272                                         BN_num_bits(pkey->pkey.dsa->p));
 273                                 }
 274 #endif
 275                         EVP_PKEY_free(pkey);
 276                         }
 277                 X509_free(cert);
 278                 }
 279         /* The SSL API does not allow us to look at temporary RSA/DH keys,
 280          * otherwise we should print their lengths too */
 281         BIO_printf(bio_stdout,"\n");
 282         }
 283
 284 static void lock_dbg_cb(int mode, int type, const char *file, int line)
 285         {
 286         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
 287         const char *errstr = NULL;
 288         int rw;
 289
 290         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
 291         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
 292                 {
 293                 errstr = "invalid mode";
 294                 goto err;
 295                 }
 296
 297         if (type < 0 || type > CRYPTO_NUM_LOCKS)
 298                 {
 299                 errstr = "type out of bounds";
 300                 goto err;
 301                 }
 302
 303         if (mode & CRYPTO_LOCK)
 304                 {
 305                 if (modes[type])
 306                         {
 307                         errstr = "already locked";
 308                         /* must not happen in a single-threaded program
 309                          * (would deadlock) */
 310                         goto err;
 311                         }
 312
 313                 modes[type] = rw;
 314                 }
 315         else if (mode & CRYPTO_UNLOCK)
 316                 {
 317                 if (!modes[type])
 318                         {
 319                         errstr = "not locked";
 320                         goto err;
 321                         }
 322
 323                 if (modes[type] != rw)
 324                         {
 325                         errstr = (rw == CRYPTO_READ) ?
 326                                 "CRYPTO_r_unlock on write lock" :
 327                                 "CRYPTO_w_unlock on read lock";
 328                         }
 329
 330                 modes[type] = 0;
 331                 }
 332         else
 333                 {
 334                 errstr = "invalid mode";
 335                 goto err;
 336                 }
 337
 338  err:
 339         if (errstr)
 340                 {
 341                 /* we cannot use bio_err here */
 342                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
 343                         errstr, mode, type, file, line);
 344                 }
 345         }
 346
 347 int main(int argc, char *argv[])
 348         {
 349         char *CApath=NULL,*CAfile=NULL;
 350         int badop=0;
 351         int bio_pair=0;
 352         int force=0;
 353         int tls1=0,ssl2=0,ssl3=0,ret=1;
 354         int client_auth=0;
 355         int server_auth=0,i;
 356         int app_verify=0;
 357         char *server_cert=TEST_SERVER_CERT;
 358         char *server_key=NULL;
 359         char *client_cert=TEST_CLIENT_CERT;
 360         char *client_key=NULL;
 361         char *named_curve = NULL;
 362         SSL_CTX *s_ctx=NULL;
 363         SSL_CTX *c_ctx=NULL;
 364         SSL_METHOD *meth=NULL;
 365         SSL *c_ssl,*s_ssl;
 366         int number=1,reuse=0;
 367         long bytes=1L;
 368 #ifndef OPENSSL_NO_DH
 369         DH *dh;
 370         int dhe1024 = 0, dhe1024dsa = 0;
 371 #endif
 372 #ifndef OPENSSL_NO_ECDH
 373         EC_KEY *ecdh = NULL;
 374 #endif
 375         int no_dhe = 0;
 376         int no_ecdhe = 0;
 377         int print_time = 0;
 378         clock_t s_time = 0, c_time = 0;
 379         int comp = 0;
 380         COMP_METHOD *cm = NULL;
 381
 382         verbose = 0;
 383         debug = 0;
 384         cipher = 0;
 385
 386         CRYPTO_set_locking_callback(lock_dbg_cb);
 387
 388         /* enable memory leak checking unless explicitly disabled */
 389         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
 390                 {
 391                 CRYPTO_malloc_debug_init();
 392                 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
 393                 }
 394         else
 395                 {
 396                 /* OPENSSL_DEBUG_MEMORY=off */
 397                 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
 398                 }
 399         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 400
 401         RAND_seed(rnd_seed, sizeof rnd_seed);
 402
 403         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 404         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
 405
 406         argc--;
 407         argv++;
 408
 409         while (argc >= 1)
 410                 {
 411                 if      (strcmp(*argv,"-server_auth") == 0)
 412                         server_auth=1;
 413                 else if (strcmp(*argv,"-client_auth") == 0)
 414                         client_auth=1;
 415                 else if (strcmp(*argv,"-v") == 0)
 416                         verbose=1;
 417                 else if (strcmp(*argv,"-d") == 0)
 418                         debug=1;
 419                 else if (strcmp(*argv,"-reuse") == 0)
 420                         reuse=1;
 421 #ifndef OPENSSL_NO_DH
 422                 else if (strcmp(*argv,"-dhe1024") == 0)
 423                         dhe1024=1;
 424                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
 425                         dhe1024dsa=1;
 426 #endif
 427                 else if (strcmp(*argv,"-no_dhe") == 0)
 428                         no_dhe=1;
 429                 else if (strcmp(*argv,"-no_ecdhe") == 0)
 430                         no_ecdhe=1;
 431                 else if (strcmp(*argv,"-ssl2") == 0)
 432                         ssl2=1;
 433                 else if (strcmp(*argv,"-tls1") == 0)
 434                         tls1=1;
 435                 else if (strcmp(*argv,"-ssl3") == 0)
 436                         ssl3=1;
 437                 else if (strncmp(*argv,"-num",4) == 0)
 438                         {
 439                         if (--argc < 1) goto bad;
 440                         number= atoi(*(++argv));
 441                         if (number == 0) number=1;
 442                         }
 443                 else if (strcmp(*argv,"-bytes") == 0)
 444                         {
 445                         if (--argc < 1) goto bad;
 446                         bytes= atol(*(++argv));
 447                         if (bytes == 0L) bytes=1L;
 448                         i=strlen(argv[0]);
 449                         if (argv[0][i-1] == 'k') bytes*=1024L;
 450                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
 451                         }
 452                 else if (strcmp(*argv,"-cert") == 0)
 453                         {
 454                         if (--argc < 1) goto bad;
 455                         server_cert= *(++argv);
 456                         }
 457                 else if (strcmp(*argv,"-s_cert") == 0)
 458                         {
 459                         if (--argc < 1) goto bad;
 460                         server_cert= *(++argv);
 461                         }
 462                 else if (strcmp(*argv,"-key") == 0)
 463                         {
 464                         if (--argc < 1) goto bad;
 465                         server_key= *(++argv);
 466                         }
 467                 else if (strcmp(*argv,"-s_key") == 0)
 468                         {
 469                         if (--argc < 1) goto bad;
 470                         server_key= *(++argv);
 471                         }
 472                 else if (strcmp(*argv,"-c_cert") == 0)
 473                         {
 474                         if (--argc < 1) goto bad;
 475                         client_cert= *(++argv);
 476                         }
 477                 else if (strcmp(*argv,"-c_key") == 0)
 478                         {
 479                         if (--argc < 1) goto bad;
 480                         client_key= *(++argv);
 481                         }
 482                 else if (strcmp(*argv,"-cipher") == 0)
 483                         {
 484                         if (--argc < 1) goto bad;
 485                         cipher= *(++argv);
 486                         }
 487                 else if (strcmp(*argv,"-CApath") == 0)
 488                         {
 489                         if (--argc < 1) goto bad;
 490                         CApath= *(++argv);
 491                         }
 492                 else if (strcmp(*argv,"-CAfile") == 0)
 493                         {
 494                         if (--argc < 1) goto bad;
 495                         CAfile= *(++argv);
 496                         }
 497                 else if (strcmp(*argv,"-bio_pair") == 0)
 498                         {
 499                         bio_pair = 1;
 500                         }
 501                 else if (strcmp(*argv,"-f") == 0)
 502                         {
 503                         force = 1;
 504                         }
 505                 else if (strcmp(*argv,"-time") == 0)
 506                         {
 507                         print_time = 1;
 508                         }
 509                 else if (strcmp(*argv,"-zlib") == 0)
 510                         {
 511                         comp = COMP_ZLIB;
 512                         }
 513                 else if (strcmp(*argv,"-rle") == 0)
 514                         {
 515                         comp = COMP_RLE;
 516                         }
 517 #ifndef OPENSSL_NO_ECDH
 518                 else if (strcmp(*argv,"-named_curve") == 0)
 519                         {
 520                         if (--argc < 1) goto bad;
 521                         named_curve = *(++argv);
 522                         }
 523 #endif
 524                 else if (strcmp(*argv,"-app_verify") == 0)
 525                         {
 526                         app_verify = 1;
 527                         }
 528                 else
 529                         {
 530                         fprintf(stderr,"unknown option %s\n",*argv);
 531                         badop=1;
 532                         break;
 533                         }
 534                 argc--;
 535                 argv++;
 536                 }
 537         if (badop)
 538                 {
 539 bad:
 540                 sv_usage();
 541                 goto end;
 542                 }
 543
 544         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
 545                 {
 546                 fprintf(stderr, "This case cannot work.  Use -f to perform "
 547                         "the test anyway (and\n-d to see what happens), "
 548                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
 549                         "to avoid protocol mismatch.\n");
 550                 exit(1);
 551                 }
 552
 553         if (print_time)
 554                 {
 555                 if (!bio_pair)
 556                         {
 557                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
 558                         bio_pair = 1;
 559                         }
 560                 if (number < 50 && !force)
 561                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
 562                 }
 563
 564 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
 565
 566         SSL_library_init();
 567         SSL_load_error_strings();
 568
 569         if (comp == COMP_ZLIB) cm = COMP_zlib();
 570         if (comp == COMP_RLE) cm = COMP_rle();
 571         if (cm != NULL)
 572                 {
 573                 if (cm->type != NID_undef)
 574                         SSL_COMP_add_compression_method(comp, cm);
 575                 else
 576                         {
 577                         fprintf(stderr,
 578                                 "Warning: %s compression not supported\n",
 579                                 (comp == COMP_RLE ? "rle" :
 580                                         (comp == COMP_ZLIB ? "zlib" :
 581                                                 "unknown")));
 582                         ERR_print_errors_fp(stderr);
 583                         }
 584                 }
 585
 586 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 587         if (ssl2)
 588                 meth=SSLv2_method();
 589         else
 590         if (tls1)
 591                 meth=TLSv1_method();
 592         else
 593         if (ssl3)
 594                 meth=SSLv3_method();
 595         else
 596                 meth=SSLv23_method();
 597 #else
 598 #ifdef OPENSSL_NO_SSL2
 599         meth=SSLv3_method();
 600 #else
 601         meth=SSLv2_method();
 602 #endif
 603 #endif
 604
 605         c_ctx=SSL_CTX_new(meth);
 606         s_ctx=SSL_CTX_new(meth);
 607         if ((c_ctx == NULL) || (s_ctx == NULL))
 608                 {
 609                 ERR_print_errors(bio_err);
 610                 goto end;
 611                 }
 612
 613         if (cipher != NULL)
 614                 {
 615                 SSL_CTX_set_cipher_list(c_ctx,cipher);
 616                 SSL_CTX_set_cipher_list(s_ctx,cipher);
 617                 }
 618
 619 #ifndef OPENSSL_NO_DH
 620         if (!no_dhe)
 621                 {
 622                 if (dhe1024dsa)
 623                         {
 624                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
 625                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
 626                         dh=get_dh1024dsa();
 627                         }
 628                 else if (dhe1024)
 629                         dh=get_dh1024();
 630                 else
 631                         dh=get_dh512();
 632                 SSL_CTX_set_tmp_dh(s_ctx,dh);
 633                 DH_free(dh);
 634                 }
 635 #else
 636         (void)no_dhe;
 637 #endif
 638
 639 #ifndef OPENSSL_NO_ECDH
 640         if (!no_ecdhe)
 641                 {
 642                 ecdh = EC_KEY_new();
 643                 if (ecdh != NULL)
 644                         {
 645                         if (named_curve)
 646                                 {
 647                                 int nid = OBJ_sn2nid(named_curve);
 648
 649                                 if (nid == 0)
 650                                         {
 651                                         BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve);
 652                                         EC_KEY_free(ecdh);
 653                                         goto end;
 654                                         }
 655
 656                                 ecdh->group = EC_GROUP_new_by_nid(nid);
 657                                 if (ecdh->group == NULL)
 658                                         {
 659                                         BIO_printf(bio_err, "unable to create curve (%s)\n", named_curve);
 660                                         EC_KEY_free(ecdh);
 661                                         goto end;
 662                                         }
 663                                 }
 664
 665                         if (ecdh->group == NULL)
 666                                 ecdh->group=EC_GROUP_new_by_nid(NID_sect163r2);
 667
 668                         SSL_CTX_set_tmp_ecdh(s_ctx, ecdh);
 669                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_ECDH_USE);
 670                         EC_KEY_free(ecdh);
 671                         }
 672                 }
 673 #else
 674         (void)no_ecdhe;
 675 #endif
 676
 677 #ifndef OPENSSL_NO_RSA
 678         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
 679 #endif
 680
 681         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
 682                 {
 683                 ERR_print_errors(bio_err);
 684                 }
 685         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
 686                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
 687                 {
 688                 ERR_print_errors(bio_err);
 689                 goto end;
 690                 }
 691
 692         if (client_auth)
 693                 {
 694                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
 695                         SSL_FILETYPE_PEM);
 696                 SSL_CTX_use_PrivateKey_file(c_ctx,
 697                         (client_key?client_key:client_cert),
 698                         SSL_FILETYPE_PEM);
 699                 }
 700
 701         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
 702                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
 703                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
 704                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
 705                 {
 706                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
 707                 ERR_print_errors(bio_err);
 708                 /* goto end; */
 709                 }
 710
 711         if (client_auth)
 712                 {
 713                 BIO_printf(bio_err,"client authentication\n");
 714                 SSL_CTX_set_verify(s_ctx,
 715                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
 716                         verify_callback);
 717                 if (app_verify)
 718                         {
 719                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
 720                         }
 721                 }
 722         if (server_auth)
 723                 {
 724                 BIO_printf(bio_err,"server authentication\n");
 725                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
 726                         verify_callback);
 727                 if (app_verify)
 728                         {
 729                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
 730                         }
 731                 }
 732
 733         {
 734                 int session_id_context = 0;
 735                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
 736         }
 737
 738         c_ssl=SSL_new(c_ctx);
 739         s_ssl=SSL_new(s_ctx);
 740
 741 #ifndef OPENSSL_NO_KRB5
 742         if (c_ssl  &&  c_ssl->kssl_ctx)
 743                 {
 744                 char    localhost[257];
 745
 746                 if (gethostname(localhost, 256) == 0)
 747                         {
 748                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
 749                                 localhost);
 750                         }
 751                 }
 752 #endif    /* OPENSSL_NO_KRB5  */
 753
 754         for (i=0; i<number; i++)
 755                 {
 756                 if (!reuse) SSL_set_session(c_ssl,NULL);
 757                 if (bio_pair)
 758                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
 759                 else
 760                         ret=doit(s_ssl,c_ssl,bytes);
 761                 }
 762
 763         if (!verbose)
 764                 {
 765                 print_details(c_ssl, "");
 766                 }
 767         if ((number > 1) || (bytes > 1L))
 768                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
 769         if (print_time)
 770                 {
 771 #ifdef CLOCKS_PER_SEC
 772                 /* "To determine the time in seconds, the value returned
 773                  * by the clock function should be divided by the value
 774                  * of the macro CLOCKS_PER_SEC."
 775                  *                                       -- ISO/IEC 9899 */
 776                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
 777                         "Approximate total client time: %6.2f s\n",
 778                         (double)s_time/CLOCKS_PER_SEC,
 779                         (double)c_time/CLOCKS_PER_SEC);
 780 #else
 781                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
 782                  *                            -- cc on NeXTstep/OpenStep */
 783                 BIO_printf(bio_stdout,
 784                         "Approximate total server time: %6.2f units\n"
 785                         "Approximate total client time: %6.2f units\n",
 786                         (double)s_time,
 787                         (double)c_time);
 788 #endif
 789                 }
 790
 791         SSL_free(s_ssl);
 792         SSL_free(c_ssl);
 793
 794 end:
 795         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
 796         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
 797
 798         if (bio_stdout != NULL) BIO_free(bio_stdout);
 799
 800 #ifndef OPENSSL_NO_RSA
 801         free_tmp_rsa();
 802 #endif
 803         ENGINE_cleanup();
 804         CRYPTO_cleanup_all_ex_data();
 805         ERR_free_strings();
 806         ERR_remove_state(0);
 807         EVP_cleanup();
 808         CRYPTO_mem_leaks(bio_err);
 809         if (bio_err != NULL) BIO_free(bio_err);
 810         EXIT(ret);
 811         }
 812
 813 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
 814         clock_t *s_time, clock_t *c_time)
 815         {
 816         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
 817         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
 818         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
 819         int ret = 1;
 820
 821         size_t bufsiz = 256; /* small buffer for testing */
 822
 823         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
 824                 goto err;
 825         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
 826                 goto err;
 827
 828         s_ssl_bio = BIO_new(BIO_f_ssl());
 829         if (!s_ssl_bio)
 830                 goto err;
 831
 832         c_ssl_bio = BIO_new(BIO_f_ssl());
 833         if (!c_ssl_bio)
 834                 goto err;
 835
 836         SSL_set_connect_state(c_ssl);
 837         SSL_set_bio(c_ssl, client, client);
 838         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
 839
 840         SSL_set_accept_state(s_ssl);
 841         SSL_set_bio(s_ssl, server, server);
 842         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
 843
 844         do
 845                 {
 846                 /* c_ssl_bio:          SSL filter BIO
 847                  *
 848                  * client:             pseudo-I/O for SSL library
 849                  *
 850                  * client_io:          client's SSL communication; usually to be
 851                  *                     relayed over some I/O facility, but in this
 852                  *                     test program, we're the server, too:
 853                  *
 854                  * server_io:          server's SSL communication
 855                  *
 856                  * server:             pseudo-I/O for SSL library
 857                  *
 858                  * s_ssl_bio:          SSL filter BIO
 859                  *
 860                  * The client and the server each employ a "BIO pair":
 861                  * client + client_io, server + server_io.
 862                  * BIO pairs are symmetric.  A BIO pair behaves similar
 863                  * to a non-blocking socketpair (but both endpoints must
 864                  * be handled by the same thread).
 865                  * [Here we could connect client and server to the ends
 866                  * of a single BIO pair, but then this code would be less
 867                  * suitable as an example for BIO pairs in general.]
 868                  *
 869                  * Useful functions for querying the state of BIO pair endpoints:
 870                  *
 871                  * BIO_ctrl_pending(bio)              number of bytes we can read now
 872                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
 873                  *                                      other side's read attempt
 874                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
 875                  *
 876                  * ..._read_request is never more than ..._write_guarantee;
 877                  * it depends on the application which one you should use.
 878                  */
 879
 880                 /* We have non-blocking behaviour throughout this test program, but
 881                  * can be sure that there is *some* progress in each iteration; so
 882                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
 883                  * -- we just try everything in each iteration
 884                  */
 885
 886                         {
 887                         /* CLIENT */
 888
 889                         MS_STATIC char cbuf[1024*8];
 890                         int i, r;
 891                         clock_t c_clock = clock();
 892
 893                         if (debug)
 894                                 if (SSL_in_init(c_ssl))
 895                                         printf("client waiting in SSL_connect - %s\n",
 896                                                 SSL_state_string_long(c_ssl));
 897
 898                         if (cw_num > 0)
 899                                 {
 900                                 /* Write to server. */
 901
 902                                 if (cw_num > (long)sizeof cbuf)
 903                                         i = sizeof cbuf;
 904                                 else
 905                                         i = (int)cw_num;
 906                                 r = BIO_write(c_ssl_bio, cbuf, i);
 907                                 if (r < 0)
 908                                         {
 909                                         if (!BIO_should_retry(c_ssl_bio))
 910                                                 {
 911                                                 fprintf(stderr,"ERROR in CLIENT\n");
 912                                                 goto err;
 913                                                 }
 914                                         /* BIO_should_retry(...) can just be ignored here.
 915                                          * The library expects us to call BIO_write with
 916                                          * the same arguments again, and that's what we will
 917                                          * do in the next iteration. */
 918                                         }
 919                                 else if (r == 0)
 920                                         {
 921                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 922                                         goto err;
 923                                         }
 924                                 else
 925                                         {
 926                                         if (debug)
 927                                                 printf("client wrote %d\n", r);
 928                                         cw_num -= r;
 929                                         }
 930                                 }
 931
 932                         if (cr_num > 0)
 933                                 {
 934                                 /* Read from server. */
 935
 936                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
 937                                 if (r < 0)
 938                                         {
 939                                         if (!BIO_should_retry(c_ssl_bio))
 940                                                 {
 941                                                 fprintf(stderr,"ERROR in CLIENT\n");
 942                                                 goto err;
 943                                                 }
 944                                         /* Again, "BIO_should_retry" can be ignored. */
 945                                         }
 946                                 else if (r == 0)
 947                                         {
 948                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 949                                         goto err;
 950                                         }
 951                                 else
 952                                         {
 953                                         if (debug)
 954                                                 printf("client read %d\n", r);
 955                                         cr_num -= r;
 956                                         }
 957                                 }
 958
 959                         /* c_time and s_time increments will typically be very small
 960                          * (depending on machine speed and clock tick intervals),
 961                          * but sampling over a large number of connections should
 962                          * result in fairly accurate figures.  We cannot guarantee
 963                          * a lot, however -- if each connection lasts for exactly
 964                          * one clock tick, it will be counted only for the client
 965                          * or only for the server or even not at all.
 966                          */
 967                         *c_time += (clock() - c_clock);
 968                         }
 969
 970                         {
 971                         /* SERVER */
 972
 973                         MS_STATIC char sbuf[1024*8];
 974                         int i, r;
 975                         clock_t s_clock = clock();
 976
 977                         if (debug)
 978                                 if (SSL_in_init(s_ssl))
 979                                         printf("server waiting in SSL_accept - %s\n",
 980                                                 SSL_state_string_long(s_ssl));
 981
 982                         if (sw_num > 0)
 983                                 {
 984                                 /* Write to client. */
 985
 986                                 if (sw_num > (long)sizeof sbuf)
 987                                         i = sizeof sbuf;
 988                                 else
 989                                         i = (int)sw_num;
 990                                 r = BIO_write(s_ssl_bio, sbuf, i);
 991                                 if (r < 0)
 992                                         {
 993                                         if (!BIO_should_retry(s_ssl_bio))
 994                                                 {
 995                                                 fprintf(stderr,"ERROR in SERVER\n");
 996                                                 goto err;
 997                                                 }
 998                                         /* Ignore "BIO_should_retry". */
 999                                         }
1000                                 else if (r == 0)
1001                                         {
1002                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1003                                         goto err;
1004                                         }
1005                                 else
1006                                         {
1007                                         if (debug)
1008                                                 printf("server wrote %d\n", r);
1009                                         sw_num -= r;
1010                                         }
1011                                 }
1012
1013                         if (sr_num > 0)
1014                                 {
1015                                 /* Read from client. */
1016
1017                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
1018                                 if (r < 0)
1019                                         {
1020                                         if (!BIO_should_retry(s_ssl_bio))
1021                                                 {
1022                                                 fprintf(stderr,"ERROR in SERVER\n");
1023                                                 goto err;
1024                                                 }
1025                                         /* blah, blah */
1026                                         }
1027                                 else if (r == 0)
1028                                         {
1029                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1030                                         goto err;
1031                                         }
1032                                 else
1033                                         {
1034                                         if (debug)
1035                                                 printf("server read %d\n", r);
1036                                         sr_num -= r;
1037                                         }
1038                                 }
1039
1040                         *s_time += (clock() - s_clock);
1041                         }
1042
1043                         {
1044                         /* "I/O" BETWEEN CLIENT AND SERVER. */
1045
1046                         size_t r1, r2;
1047                         BIO *io1 = server_io, *io2 = client_io;
1048                         /* we use the non-copying interface for io1
1049                          * and the standard BIO_write/BIO_read interface for io2
1050                          */
1051
1052                         static int prev_progress = 1;
1053                         int progress = 0;
1054
1055                         /* io1 to io2 */
1056                         do
1057                                 {
1058                                 size_t num;
1059                                 int r;
1060
1061                                 r1 = BIO_ctrl_pending(io1);
1062                                 r2 = BIO_ctrl_get_write_guarantee(io2);
1063
1064                                 num = r1;
1065                                 if (r2 < num)
1066                                         num = r2;
1067                                 if (num)
1068                                         {
1069                                         char *dataptr;
1070
1071                                         if (INT_MAX < num) /* yeah, right */
1072                                                 num = INT_MAX;
1073
1074                                         r = BIO_nread(io1, &dataptr, (int)num);
1075                                         assert(r > 0);
1076                                         assert(r <= (int)num);
1077                                         /* possibly r < num (non-contiguous data) */
1078                                         num = r;
1079                                         r = BIO_write(io2, dataptr, (int)num);
1080                                         if (r != (int)num) /* can't happen */
1081                                                 {
1082                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1083                                                         "BIO_ctrl_get_write_guarantee() bytes");
1084                                                 goto err;
1085                                                 }
1086                                         progress = 1;
1087
1088                                         if (debug)
1089                                                 printf((io1 == client_io) ?
1090                                                         "C->S relaying: %d bytes\n" :
1091                                                         "S->C relaying: %d bytes\n",
1092                                                         (int)num);
1093                                         }
1094                                 }
1095                         while (r1 && r2);
1096
1097                         /* io2 to io1 */
1098                         {
1099                                 size_t num;
1100                                 int r;
1101
1102                                 r1 = BIO_ctrl_pending(io2);
1103                                 r2 = BIO_ctrl_get_read_request(io1);
1104                                 /* here we could use ..._get_write_guarantee instead of
1105                                  * ..._get_read_request, but by using the latter
1106                                  * we test restartability of the SSL implementation
1107                                  * more thoroughly */
1108                                 num = r1;
1109                                 if (r2 < num)
1110                                         num = r2;
1111                                 if (num)
1112                                         {
1113                                         char *dataptr;
1114
1115                                         if (INT_MAX < num)
1116                                                 num = INT_MAX;
1117
1118                                         if (num > 1)
1119                                                 --num; /* test restartability even more thoroughly */
1120
1121                                         r = BIO_nwrite0(io1, &dataptr);
1122                                         assert(r > 0);
1123                                         if (r < (int)num)
1124                                                 num = r;
1125                                         r = BIO_read(io2, dataptr, (int)num);
1126                                         if (r != (int)num) /* can't happen */
1127                                                 {
1128                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1129                                                         "BIO_ctrl_pending() bytes");
1130                                                 goto err;
1131                                                 }
1132                                         progress = 1;
1133                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1134                                         if (r != (int)num) /* can't happen */
1135                                                 {
1136                                                 fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
1137                                                         "BIO_nwrite0() bytes");
1138                                                 goto err;
1139                                                 }
1140
1141                                         if (debug)
1142                                                 printf((io2 == client_io) ?
1143                                                         "C->S relaying: %d bytes\n" :
1144                                                         "S->C relaying: %d bytes\n",
1145                                                         (int)num);
1146                                         }
1147                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1148
1149                         if (!progress && !prev_progress)
1150                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1151                                         {
1152                                         fprintf(stderr, "ERROR: got stuck\n");
1153                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1154                                                 {
1155                                                 fprintf(stderr, "This can happen for SSL2 because "
1156                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1157                                                         "concurrently ...");
1158                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1159                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1160                                                         {
1161                                                         fprintf(stderr, " ok.\n");
1162                                                         goto end;
1163                                                         }
1164                                                 }
1165                                         fprintf(stderr, " ERROR.\n");
1166                                         goto err;
1167                                         }
1168                         prev_progress = progress;
1169                         }
1170                 }
1171         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1172
1173         if (verbose)
1174                 print_details(c_ssl, "DONE via BIO pair: ");
1175 end:
1176         ret = 0;
1177
1178  err:
1179         ERR_print_errors(bio_err);
1180
1181         if (server)
1182                 BIO_free(server);
1183         if (server_io)
1184                 BIO_free(server_io);
1185         if (client)
1186                 BIO_free(client);
1187         if (client_io)
1188                 BIO_free(client_io);
1189         if (s_ssl_bio)
1190                 BIO_free(s_ssl_bio);
1191         if (c_ssl_bio)
1192                 BIO_free(c_ssl_bio);
1193
1194         return ret;
1195         }
1196
1197
1198 #define W_READ  1
1199 #define W_WRITE 2
1200 #define C_DONE  1
1201 #define S_DONE  2
1202
1203 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1204         {
1205         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1206         long cw_num=count,cr_num=count;
1207         long sw_num=count,sr_num=count;
1208         int ret=1;
1209         BIO *c_to_s=NULL;
1210         BIO *s_to_c=NULL;
1211         BIO *c_bio=NULL;
1212         BIO *s_bio=NULL;
1213         int c_r,c_w,s_r,s_w;
1214         int c_want,s_want;
1215         int i,j;
1216         int done=0;
1217         int c_write,s_write;
1218         int do_server=0,do_client=0;
1219
1220         c_to_s=BIO_new(BIO_s_mem());
1221         s_to_c=BIO_new(BIO_s_mem());
1222         if ((s_to_c == NULL) || (c_to_s == NULL))
1223                 {
1224                 ERR_print_errors(bio_err);
1225                 goto err;
1226                 }
1227
1228         c_bio=BIO_new(BIO_f_ssl());
1229         s_bio=BIO_new(BIO_f_ssl());
1230         if ((c_bio == NULL) || (s_bio == NULL))
1231                 {
1232                 ERR_print_errors(bio_err);
1233                 goto err;
1234                 }
1235
1236         SSL_set_connect_state(c_ssl);
1237         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1238         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1239
1240         SSL_set_accept_state(s_ssl);
1241         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1242         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1243
1244         c_r=0; s_r=1;
1245         c_w=1; s_w=0;
1246         c_want=W_WRITE;
1247         s_want=0;
1248         c_write=1,s_write=0;
1249
1250         /* We can always do writes */
1251         for (;;)
1252                 {
1253                 do_server=0;
1254                 do_client=0;
1255
1256                 i=(int)BIO_pending(s_bio);
1257                 if ((i && s_r) || s_w) do_server=1;
1258
1259                 i=(int)BIO_pending(c_bio);
1260                 if ((i && c_r) || c_w) do_client=1;
1261
1262                 if (do_server && debug)
1263                         {
1264                         if (SSL_in_init(s_ssl))
1265                                 printf("server waiting in SSL_accept - %s\n",
1266                                         SSL_state_string_long(s_ssl));
1267 /*                      else if (s_write)
1268                                 printf("server:SSL_write()\n");
1269                         else
1270                                 printf("server:SSL_read()\n"); */
1271                         }
1272
1273                 if (do_client && debug)
1274                         {
1275                         if (SSL_in_init(c_ssl))
1276                                 printf("client waiting in SSL_connect - %s\n",
1277                                         SSL_state_string_long(c_ssl));
1278 /*                      else if (c_write)
1279                                 printf("client:SSL_write()\n");
1280                         else
1281                                 printf("client:SSL_read()\n"); */
1282                         }
1283
1284                 if (!do_client && !do_server)
1285                         {
1286                         fprintf(stdout,"ERROR IN STARTUP\n");
1287                         ERR_print_errors(bio_err);
1288                         break;
1289                         }
1290                 if (do_client && !(done & C_DONE))
1291                         {
1292                         if (c_write)
1293                                 {
1294                                 j=(cw_num > (long)sizeof(cbuf))
1295                                         ?sizeof(cbuf):(int)cw_num;
1296                                 i=BIO_write(c_bio,cbuf,j);
1297                                 if (i < 0)
1298                                         {
1299                                         c_r=0;
1300                                         c_w=0;
1301                                         if (BIO_should_retry(c_bio))
1302                                                 {
1303                                                 if (BIO_should_read(c_bio))
1304                                                         c_r=1;
1305                                                 if (BIO_should_write(c_bio))
1306                                                         c_w=1;
1307                                                 }
1308                                         else
1309                                                 {
1310                                                 fprintf(stderr,"ERROR in CLIENT\n");
1311                                                 ERR_print_errors(bio_err);
1312                                                 goto err;
1313                                                 }
1314                                         }
1315                                 else if (i == 0)
1316                                         {
1317                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1318                                         goto err;
1319                                         }
1320                                 else
1321                                         {
1322                                         if (debug)
1323                                                 printf("client wrote %d\n",i);
1324                                         /* ok */
1325                                         s_r=1;
1326                                         c_write=0;
1327                                         cw_num-=i;
1328                                         }
1329                                 }
1330                         else
1331                                 {
1332                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1333                                 if (i < 0)
1334                                         {
1335                                         c_r=0;
1336                                         c_w=0;
1337                                         if (BIO_should_retry(c_bio))
1338                                                 {
1339                                                 if (BIO_should_read(c_bio))
1340                                                         c_r=1;
1341                                                 if (BIO_should_write(c_bio))
1342                                                         c_w=1;
1343                                                 }
1344                                         else
1345                                                 {
1346                                                 fprintf(stderr,"ERROR in CLIENT\n");
1347                                                 ERR_print_errors(bio_err);
1348                                                 goto err;
1349                                                 }
1350                                         }
1351                                 else if (i == 0)
1352                                         {
1353                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1354                                         goto err;
1355                                         }
1356                                 else
1357                                         {
1358                                         if (debug)
1359                                                 printf("client read %d\n",i);
1360                                         cr_num-=i;
1361                                         if (sw_num > 0)
1362                                                 {
1363                                                 s_write=1;
1364                                                 s_w=1;
1365                                                 }
1366                                         if (cr_num <= 0)
1367                                                 {
1368                                                 s_write=1;
1369                                                 s_w=1;
1370                                                 done=S_DONE|C_DONE;
1371                                                 }
1372                                         }
1373                                 }
1374                         }
1375
1376                 if (do_server && !(done & S_DONE))
1377                         {
1378                         if (!s_write)
1379                                 {
1380                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1381                                 if (i < 0)
1382                                         {
1383                                         s_r=0;
1384                                         s_w=0;
1385                                         if (BIO_should_retry(s_bio))
1386                                                 {
1387                                                 if (BIO_should_read(s_bio))
1388                                                         s_r=1;
1389                                                 if (BIO_should_write(s_bio))
1390                                                         s_w=1;
1391                                                 }
1392                                         else
1393                                                 {
1394                                                 fprintf(stderr,"ERROR in SERVER\n");
1395                                                 ERR_print_errors(bio_err);
1396                                                 goto err;
1397                                                 }
1398                                         }
1399                                 else if (i == 0)
1400                                         {
1401                                         ERR_print_errors(bio_err);
1402                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1403                                         goto err;
1404                                         }
1405                                 else
1406                                         {
1407                                         if (debug)
1408                                                 printf("server read %d\n",i);
1409                                         sr_num-=i;
1410                                         if (cw_num > 0)
1411                                                 {
1412                                                 c_write=1;
1413                                                 c_w=1;
1414                                                 }
1415                                         if (sr_num <= 0)
1416                                                 {
1417                                                 s_write=1;
1418                                                 s_w=1;
1419                                                 c_write=0;
1420                                                 }
1421                                         }
1422                                 }
1423                         else
1424                                 {
1425                                 j=(sw_num > (long)sizeof(sbuf))?
1426                                         sizeof(sbuf):(int)sw_num;
1427                                 i=BIO_write(s_bio,sbuf,j);
1428                                 if (i < 0)
1429                                         {
1430                                         s_r=0;
1431                                         s_w=0;
1432                                         if (BIO_should_retry(s_bio))
1433                                                 {
1434                                                 if (BIO_should_read(s_bio))
1435                                                         s_r=1;
1436                                                 if (BIO_should_write(s_bio))
1437                                                         s_w=1;
1438                                                 }
1439                                         else
1440                                                 {
1441                                                 fprintf(stderr,"ERROR in SERVER\n");
1442                                                 ERR_print_errors(bio_err);
1443                                                 goto err;
1444                                                 }
1445                                         }
1446                                 else if (i == 0)
1447                                         {
1448                                         ERR_print_errors(bio_err);
1449                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1450                                         goto err;
1451                                         }
1452                                 else
1453                                         {
1454                                         if (debug)
1455                                                 printf("server wrote %d\n",i);
1456                                         sw_num-=i;
1457                                         s_write=0;
1458                                         c_r=1;
1459                                         if (sw_num <= 0)
1460                                                 done|=S_DONE;
1461                                         }
1462                                 }
1463                         }
1464
1465                 if ((done & S_DONE) && (done & C_DONE)) break;
1466                 }
1467
1468         if (verbose)
1469                 print_details(c_ssl, "DONE: ");
1470         ret=0;
1471 err:
1472         /* We have to set the BIO's to NULL otherwise they will be
1473          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1474          * again when c_ssl is SSL_free()ed.
1475          * This is a hack required because s_ssl and c_ssl are sharing the same
1476          * BIO structure and SSL_set_bio() and SSL_free() automatically
1477          * BIO_free non NULL entries.
1478          * You should not normally do this or be required to do this */
1479         if (s_ssl != NULL)
1480                 {
1481                 s_ssl->rbio=NULL;
1482                 s_ssl->wbio=NULL;
1483                 }
1484         if (c_ssl != NULL)
1485                 {
1486                 c_ssl->rbio=NULL;
1487                 c_ssl->wbio=NULL;
1488                 }
1489
1490         if (c_to_s != NULL) BIO_free(c_to_s);
1491         if (s_to_c != NULL) BIO_free(s_to_c);
1492         if (c_bio != NULL) BIO_free_all(c_bio);
1493         if (s_bio != NULL) BIO_free_all(s_bio);
1494         return(ret);
1495         }
1496
1497 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1498         {
1499         char *s,buf[256];
1500
1501         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,256);
1502         if (s != NULL)
1503                 {
1504                 if (ok)
1505                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1506                 else
1507                         fprintf(stderr,"depth=%d error=%d %s\n",
1508                                 ctx->error_depth,ctx->error,buf);
1509                 }
1510
1511         if (ok == 0)
1512                 {
1513                 switch (ctx->error)
1514                         {
1515                 case X509_V_ERR_CERT_NOT_YET_VALID:
1516                 case X509_V_ERR_CERT_HAS_EXPIRED:
1517                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1518                         ok=1;
1519                         }
1520                 }
1521
1522         return(ok);
1523         }
1524
1525 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
1526         {
1527         char *s = NULL,buf[256];
1528         int ok=1;
1529
1530         fprintf(stderr, "In app_verify_callback, allowing cert. ");
1531         fprintf(stderr, "Arg is: %s\n", (char *)arg);
1532         fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
1533                         (unsigned int)ctx, (unsigned int)ctx->cert);
1534         if (ctx->cert)
1535                 s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
1536         if (s != NULL)
1537                 {
1538                         fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
1539                 }
1540
1541         return(ok);
1542         }
1543
1544 #ifndef OPENSSL_NO_RSA
1545 static RSA *rsa_tmp=NULL;
1546
1547 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1548         {
1549         if (rsa_tmp == NULL)
1550                 {
1551                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1552                 (void)BIO_flush(bio_err);
1553                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1554                 BIO_printf(bio_err,"\n");
1555                 (void)BIO_flush(bio_err);
1556                 }
1557         return(rsa_tmp);
1558         }
1559
1560 static void free_tmp_rsa(void)
1561         {
1562         if (rsa_tmp != NULL)
1563                 {
1564                 RSA_free(rsa_tmp);
1565                 rsa_tmp = NULL;
1566                 }
1567         }
1568 #endif
1569
1570 #ifndef OPENSSL_NO_DH
1571 /* These DH parameters have been generated as follows:
1572  *    $ openssl dhparam -C -noout 512
1573  *    $ openssl dhparam -C -noout 1024
1574  *    $ openssl dhparam -C -noout -dsaparam 1024
1575  * (The third function has been renamed to avoid name conflicts.)
1576  */
1577 static DH *get_dh512()
1578         {
1579         static unsigned char dh512_p[]={
1580                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1581                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1582                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1583                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1584                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1585                 0x02,0xC5,0xAE,0x23,
1586                 };
1587         static unsigned char dh512_g[]={
1588                 0x02,
1589                 };
1590         DH *dh;
1591
1592         if ((dh=DH_new()) == NULL) return(NULL);
1593         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1594         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1595         if ((dh->p == NULL) || (dh->g == NULL))
1596                 { DH_free(dh); return(NULL); }
1597         return(dh);
1598         }
1599
1600 static DH *get_dh1024()
1601         {
1602         static unsigned char dh1024_p[]={
1603                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1604                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1605                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1606                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1607                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1608                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1609                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1610                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1611                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1612                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1613                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1614                 };
1615         static unsigned char dh1024_g[]={
1616                 0x02,
1617                 };
1618         DH *dh;
1619
1620         if ((dh=DH_new()) == NULL) return(NULL);
1621         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1622         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1623         if ((dh->p == NULL) || (dh->g == NULL))
1624                 { DH_free(dh); return(NULL); }
1625         return(dh);
1626         }
1627
1628 static DH *get_dh1024dsa()
1629         {
1630         static unsigned char dh1024_p[]={
1631                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1632                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1633                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1634                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1635                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1636                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1637                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1638                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1639                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1640                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1641                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1642                 };
1643         static unsigned char dh1024_g[]={
1644                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1645                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1646                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1647                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1648                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1649                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1650                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1651                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1652                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1653                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1654                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1655                 };
1656         DH *dh;
1657
1658         if ((dh=DH_new()) == NULL) return(NULL);
1659         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1660         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1661         if ((dh->p == NULL) || (dh->g == NULL))
1662                 { DH_free(dh); return(NULL); }
1663         dh->length = 160;
1664         return(dh);
1665         }
1666 #endif