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 #include <assert.h>
  60 #include <errno.h>
  61 #include <limits.h>
  62 #include <stdio.h>
  63 #include <stdlib.h>
  64 #include <string.h>
  65 #include <time.h>
  66
  67 #include "openssl/e_os.h"
  68
  69 #include <openssl/bio.h>
  70 #include <openssl/crypto.h>
  71 #include <openssl/evp.h>
  72 #include <openssl/x509.h>
  73 #include <openssl/ssl.h>
  74 #include <openssl/err.h>
  75 #include <openssl/rand.h>
  76 #ifdef WINDOWS
  77 #include <winsock.h>
  78 #include "../crypto/bio/bss_file.c"
  79 #endif
  80
  81 #ifdef VMS
  82 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
  83 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
  84 #else
  85 #  define TEST_SERVER_CERT "../apps/server.pem"
  86 #  define TEST_CLIENT_CERT "../apps/client.pem"
  87 #endif
  88
  89 /* There is really no standard for this, so let's assign some tentative
  90    numbers.  In any case, these numbers are only for this test */
  91 #define COMP_RLE        1
  92 #define COMP_ZLIB       2
  93
  94 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
  95 #ifndef NO_RSA
  96 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
  97 static void free_tmp_rsa(void);
  98 #endif
  99 #ifndef NO_DH
 100 static DH *get_dh512(void);
 101 static DH *get_dh1024(void);
 102 static DH *get_dh1024dsa(void);
 103 #endif
 104
 105 static BIO *bio_err=NULL;
 106 static BIO *bio_stdout=NULL;
 107
 108 static char *cipher=NULL;
 109 static int verbose=0;
 110 static int debug=0;
 111 #if 0
 112 /* Not used yet. */
 113 #ifdef FIONBIO
 114 static int s_nbio=0;
 115 #endif
 116 #endif
 117
 118 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
 119
 120 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
 121 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
 122 static void sv_usage(void)
 123         {
 124         fprintf(stderr,"usage: ssltest [args ...]\n");
 125         fprintf(stderr,"\n");
 126         fprintf(stderr," -server_auth  - check server certificate\n");
 127         fprintf(stderr," -client_auth  - do client authentication\n");
 128         fprintf(stderr," -v            - more output\n");
 129         fprintf(stderr," -d            - debug output\n");
 130         fprintf(stderr," -reuse        - use session-id reuse\n");
 131         fprintf(stderr," -num <val>    - number of connections to perform\n");
 132         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
 133 #ifndef NO_DH
 134         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
 135         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
 136         fprintf(stderr," -no_dhe       - disable DHE\n");
 137 #endif
 138 #ifndef NO_SSL2
 139         fprintf(stderr," -ssl2         - use SSLv2\n");
 140 #endif
 141 #ifndef NO_SSL3
 142         fprintf(stderr," -ssl3         - use SSLv3\n");
 143 #endif
 144 #ifndef NO_TLS1
 145         fprintf(stderr," -tls1         - use TLSv1\n");
 146 #endif
 147         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
 148         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
 149         fprintf(stderr," -cert arg     - Server certificate file\n");
 150         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
 151         fprintf(stderr," -c_cert arg   - Client certificate file\n");
 152         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
 153         fprintf(stderr," -cipher arg   - The cipher list\n");
 154         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
 155         fprintf(stderr," -f            - Test even cases that can't work\n");
 156         fprintf(stderr," -time         - measure processor time used by client and server\n");
 157         fprintf(stderr," -zlib         - use zlib compression\n");
 158         fprintf(stderr," -time         - use rle compression\n");
 159         }
 160
 161 static void print_details(SSL *c_ssl, const char *prefix)
 162         {
 163         SSL_CIPHER *ciph;
 164         X509 *cert;
 165
 166         ciph=SSL_get_current_cipher(c_ssl);
 167         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
 168                 prefix,
 169                 SSL_get_version(c_ssl),
 170                 SSL_CIPHER_get_version(ciph),
 171                 SSL_CIPHER_get_name(ciph));
 172         cert=SSL_get_peer_certificate(c_ssl);
 173         if (cert != NULL)
 174                 {
 175                 EVP_PKEY *pkey = X509_get_pubkey(cert);
 176                 if (pkey != NULL)
 177                         {
 178                         if (0)
 179                                 ;
 180 #ifndef NO_RSA
 181                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
 182                                 && pkey->pkey.rsa->n != NULL)
 183                                 {
 184                                 BIO_printf(bio_stdout, ", %d bit RSA",
 185                                         BN_num_bits(pkey->pkey.rsa->n));
 186                                 }
 187 #endif
 188 #ifndef NO_DSA
 189                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
 190                                 && pkey->pkey.dsa->p != NULL)
 191                                 {
 192                                 BIO_printf(bio_stdout, ", %d bit DSA",
 193                                         BN_num_bits(pkey->pkey.dsa->p));
 194                                 }
 195 #endif
 196                         EVP_PKEY_free(pkey);
 197                         }
 198                 X509_free(cert);
 199                 }
 200         /* The SSL API does not allow us to look at temporary RSA/DH keys,
 201          * otherwise we should print their lengths too */
 202         BIO_printf(bio_stdout,"\n");
 203         }
 204
 205 int main(int argc, char *argv[])
 206         {
 207         char *CApath=NULL,*CAfile=NULL;
 208         int badop=0;
 209         int bio_pair=0;
 210         int force=0;
 211         int tls1=0,ssl2=0,ssl3=0,ret=1;
 212         int client_auth=0;
 213         int server_auth=0,i;
 214         char *server_cert=TEST_SERVER_CERT;
 215         char *server_key=NULL;
 216         char *client_cert=TEST_CLIENT_CERT;
 217         char *client_key=NULL;
 218         SSL_CTX *s_ctx=NULL;
 219         SSL_CTX *c_ctx=NULL;
 220         SSL_METHOD *meth=NULL;
 221         SSL *c_ssl,*s_ssl;
 222         int number=1,reuse=0;
 223         long bytes=1L;
 224 #ifndef NO_DH
 225         DH *dh;
 226         int dhe1024 = 0, dhe1024dsa = 0;
 227 #endif
 228         int no_dhe = 0;
 229         int print_time = 0;
 230         clock_t s_time = 0, c_time = 0;
 231         int comp = 0;
 232         COMP_METHOD *cm = NULL;
 233
 234         verbose = 0;
 235         debug = 0;
 236         cipher = 0;
 237
 238         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 239
 240         RAND_seed(rnd_seed, sizeof rnd_seed);
 241
 242         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 243         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
 244
 245         argc--;
 246         argv++;
 247
 248         while (argc >= 1)
 249                 {
 250                 if      (strcmp(*argv,"-server_auth") == 0)
 251                         server_auth=1;
 252                 else if (strcmp(*argv,"-client_auth") == 0)
 253                         client_auth=1;
 254                 else if (strcmp(*argv,"-v") == 0)
 255                         verbose=1;
 256                 else if (strcmp(*argv,"-d") == 0)
 257                         debug=1;
 258                 else if (strcmp(*argv,"-reuse") == 0)
 259                         reuse=1;
 260 #ifndef NO_DH
 261                 else if (strcmp(*argv,"-dhe1024") == 0)
 262                         dhe1024=1;
 263                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
 264                         dhe1024dsa=1;
 265 #endif
 266                 else if (strcmp(*argv,"-no_dhe") == 0)
 267                         no_dhe=1;
 268                 else if (strcmp(*argv,"-ssl2") == 0)
 269                         ssl2=1;
 270                 else if (strcmp(*argv,"-tls1") == 0)
 271                         tls1=1;
 272                 else if (strcmp(*argv,"-ssl3") == 0)
 273                         ssl3=1;
 274                 else if (strncmp(*argv,"-num",4) == 0)
 275                         {
 276                         if (--argc < 1) goto bad;
 277                         number= atoi(*(++argv));
 278                         if (number == 0) number=1;
 279                         }
 280                 else if (strcmp(*argv,"-bytes") == 0)
 281                         {
 282                         if (--argc < 1) goto bad;
 283                         bytes= atol(*(++argv));
 284                         if (bytes == 0L) bytes=1L;
 285                         i=strlen(argv[0]);
 286                         if (argv[0][i-1] == 'k') bytes*=1024L;
 287                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
 288                         }
 289                 else if (strcmp(*argv,"-cert") == 0)
 290                         {
 291                         if (--argc < 1) goto bad;
 292                         server_cert= *(++argv);
 293                         }
 294                 else if (strcmp(*argv,"-s_cert") == 0)
 295                         {
 296                         if (--argc < 1) goto bad;
 297                         server_cert= *(++argv);
 298                         }
 299                 else if (strcmp(*argv,"-key") == 0)
 300                         {
 301                         if (--argc < 1) goto bad;
 302                         server_key= *(++argv);
 303                         }
 304                 else if (strcmp(*argv,"-s_key") == 0)
 305                         {
 306                         if (--argc < 1) goto bad;
 307                         server_key= *(++argv);
 308                         }
 309                 else if (strcmp(*argv,"-c_cert") == 0)
 310                         {
 311                         if (--argc < 1) goto bad;
 312                         client_cert= *(++argv);
 313                         }
 314                 else if (strcmp(*argv,"-c_key") == 0)
 315                         {
 316                         if (--argc < 1) goto bad;
 317                         client_key= *(++argv);
 318                         }
 319                 else if (strcmp(*argv,"-cipher") == 0)
 320                         {
 321                         if (--argc < 1) goto bad;
 322                         cipher= *(++argv);
 323                         }
 324                 else if (strcmp(*argv,"-CApath") == 0)
 325                         {
 326                         if (--argc < 1) goto bad;
 327                         CApath= *(++argv);
 328                         }
 329                 else if (strcmp(*argv,"-CAfile") == 0)
 330                         {
 331                         if (--argc < 1) goto bad;
 332                         CAfile= *(++argv);
 333                         }
 334                 else if (strcmp(*argv,"-bio_pair") == 0)
 335                         {
 336                         bio_pair = 1;
 337                         }
 338                 else if (strcmp(*argv,"-f") == 0)
 339                         {
 340                         force = 1;
 341                         }
 342                 else if (strcmp(*argv,"-time") == 0)
 343                         {
 344                         print_time = 1;
 345                         }
 346                 else if (strcmp(*argv,"-zlib") == 0)
 347                         {
 348                         comp = COMP_ZLIB;
 349                         }
 350                 else if (strcmp(*argv,"-rle") == 0)
 351                         {
 352                         comp = COMP_RLE;
 353                         }
 354                 else
 355                         {
 356                         fprintf(stderr,"unknown option %s\n",*argv);
 357                         badop=1;
 358                         break;
 359                         }
 360                 argc--;
 361                 argv++;
 362                 }
 363         if (badop)
 364                 {
 365 bad:
 366                 sv_usage();
 367                 goto end;
 368                 }
 369
 370         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
 371                 {
 372                 fprintf(stderr, "This case cannot work.  Use -f to perform "
 373                         "the test anyway (and\n-d to see what happens), "
 374                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
 375                         "to avoid protocol mismatch.\n");
 376                 exit(1);
 377                 }
 378
 379         if (print_time)
 380                 {
 381                 if (!bio_pair)
 382                         {
 383                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
 384                         bio_pair = 1;
 385                         }
 386                 if (number < 50 && !force)
 387                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
 388                 }
 389
 390 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
 391
 392         SSL_library_init();
 393         SSL_load_error_strings();
 394
 395         if (comp == COMP_ZLIB) cm = COMP_zlib();
 396         if (comp == COMP_RLE) cm = COMP_rle();
 397         if (cm != NULL)
 398                 {
 399                 if (cm->type != NID_undef)
 400                         SSL_COMP_add_compression_method(comp, cm);
 401                 else
 402                         {
 403                         fprintf(stderr,
 404                                 "Warning: %s compression not supported\n",
 405                                 (comp == COMP_RLE ? "rle" :
 406                                         (comp == COMP_ZLIB ? "zlib" :
 407                                                 "unknown")));
 408                         ERR_print_errors_fp(stderr);
 409                         }
 410                 }
 411
 412 #if !defined(NO_SSL2) && !defined(NO_SSL3)
 413         if (ssl2)
 414                 meth=SSLv2_method();
 415         else
 416         if (tls1)
 417                 meth=TLSv1_method();
 418         else
 419         if (ssl3)
 420                 meth=SSLv3_method();
 421         else
 422                 meth=SSLv23_method();
 423 #else
 424 #ifdef NO_SSL2
 425         meth=SSLv3_method();
 426 #else
 427         meth=SSLv2_method();
 428 #endif
 429 #endif
 430
 431         c_ctx=SSL_CTX_new(meth);
 432         s_ctx=SSL_CTX_new(meth);
 433         if ((c_ctx == NULL) || (s_ctx == NULL))
 434                 {
 435                 ERR_print_errors(bio_err);
 436                 goto end;
 437                 }
 438
 439         if (cipher != NULL)
 440                 {
 441                 SSL_CTX_set_cipher_list(c_ctx,cipher);
 442                 SSL_CTX_set_cipher_list(s_ctx,cipher);
 443                 }
 444
 445 #ifndef NO_DH
 446         if (!no_dhe)
 447                 {
 448                 if (dhe1024dsa)
 449                         {
 450                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
 451                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
 452                         dh=get_dh1024dsa();
 453                         }
 454                 else if (dhe1024)
 455                         dh=get_dh1024();
 456                 else
 457                         dh=get_dh512();
 458                 SSL_CTX_set_tmp_dh(s_ctx,dh);
 459                 DH_free(dh);
 460                 }
 461 #else
 462         (void)no_dhe;
 463 #endif
 464
 465 #ifndef NO_RSA
 466         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
 467 #endif
 468
 469         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
 470                 {
 471                 ERR_print_errors(bio_err);
 472                 }
 473         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
 474                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
 475                 {
 476                 ERR_print_errors(bio_err);
 477                 goto end;
 478                 }
 479
 480         if (client_auth)
 481                 {
 482                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
 483                         SSL_FILETYPE_PEM);
 484                 SSL_CTX_use_PrivateKey_file(c_ctx,
 485                         (client_key?client_key:client_cert),
 486                         SSL_FILETYPE_PEM);
 487                 }
 488
 489         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
 490                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
 491                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
 492                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
 493                 {
 494                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
 495                 ERR_print_errors(bio_err);
 496                 /* goto end; */
 497                 }
 498
 499         if (client_auth)
 500                 {
 501                 BIO_printf(bio_err,"client authentication\n");
 502                 SSL_CTX_set_verify(s_ctx,
 503                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
 504                         verify_callback);
 505                 }
 506         if (server_auth)
 507                 {
 508                 BIO_printf(bio_err,"server authentication\n");
 509                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
 510                         verify_callback);
 511                 }
 512
 513         {
 514                 int session_id_context = 0;
 515                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
 516         }
 517
 518         c_ssl=SSL_new(c_ctx);
 519         s_ssl=SSL_new(s_ctx);
 520
 521 #ifndef NO_KRB5
 522         if (c_ssl  &&  c_ssl->kssl_ctx)
 523                 {
 524                 char    localhost[257];
 525
 526                 if (gethostname(localhost, 256) == 0)
 527                         {
 528                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
 529                                 localhost);
 530                         }
 531                 }
 532 #endif    /* NO_KRB5  */
 533
 534         for (i=0; i<number; i++)
 535                 {
 536                 if (!reuse) SSL_set_session(c_ssl,NULL);
 537                 if (bio_pair)
 538                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
 539                 else
 540                         ret=doit(s_ssl,c_ssl,bytes);
 541                 }
 542
 543         if (!verbose)
 544                 {
 545                 print_details(c_ssl, "");
 546                 }
 547         if ((number > 1) || (bytes > 1L))
 548                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
 549         if (print_time)
 550                 {
 551 #ifdef CLOCKS_PER_SEC
 552                 /* "To determine the time in seconds, the value returned
 553                  * by the clock function should be divided by the value
 554                  * of the macro CLOCKS_PER_SEC."
 555                  *                                       -- ISO/IEC 9899 */
 556                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
 557                         "Approximate total client time: %6.2f s\n",
 558                         (double)s_time/CLOCKS_PER_SEC,
 559                         (double)c_time/CLOCKS_PER_SEC);
 560 #else
 561                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
 562                  *                            -- cc on NeXTstep/OpenStep */
 563                 BIO_printf(bio_stdout,
 564                         "Approximate total server time: %6.2f units\n"
 565                         "Approximate total client time: %6.2f units\n",
 566                         (double)s_time,
 567                         (double)c_time);
 568 #endif
 569                 }
 570
 571         SSL_free(s_ssl);
 572         SSL_free(c_ssl);
 573
 574 end:
 575         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
 576         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
 577
 578         if (bio_stdout != NULL) BIO_free(bio_stdout);
 579
 580 #ifndef NO_RSA
 581         free_tmp_rsa();
 582 #endif
 583         ERR_free_strings();
 584         ERR_remove_state(0);
 585         EVP_cleanup();
 586         CRYPTO_mem_leaks(bio_err);
 587         if (bio_err != NULL) BIO_free(bio_err);
 588         EXIT(ret);
 589         }
 590
 591 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
 592         clock_t *s_time, clock_t *c_time)
 593         {
 594         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
 595         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
 596         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
 597         int ret = 1;
 598
 599         size_t bufsiz = 256; /* small buffer for testing */
 600
 601         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
 602                 goto err;
 603         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
 604                 goto err;
 605
 606         s_ssl_bio = BIO_new(BIO_f_ssl());
 607         if (!s_ssl_bio)
 608                 goto err;
 609
 610         c_ssl_bio = BIO_new(BIO_f_ssl());
 611         if (!c_ssl_bio)
 612                 goto err;
 613
 614         SSL_set_connect_state(c_ssl);
 615         SSL_set_bio(c_ssl, client, client);
 616         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
 617
 618         SSL_set_accept_state(s_ssl);
 619         SSL_set_bio(s_ssl, server, server);
 620         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
 621
 622         do
 623                 {
 624                 /* c_ssl_bio:          SSL filter BIO
 625                  *
 626                  * client:             pseudo-I/O for SSL library
 627                  *
 628                  * client_io:          client's SSL communication; usually to be
 629                  *                     relayed over some I/O facility, but in this
 630                  *                     test program, we're the server, too:
 631                  *
 632                  * server_io:          server's SSL communication
 633                  *
 634                  * server:             pseudo-I/O for SSL library
 635                  *
 636                  * s_ssl_bio:          SSL filter BIO
 637                  *
 638                  * The client and the server each employ a "BIO pair":
 639                  * client + client_io, server + server_io.
 640                  * BIO pairs are symmetric.  A BIO pair behaves similar
 641                  * to a non-blocking socketpair (but both endpoints must
 642                  * be handled by the same thread).
 643                  * [Here we could connect client and server to the ends
 644                  * of a single BIO pair, but then this code would be less
 645                  * suitable as an example for BIO pairs in general.]
 646                  *
 647                  * Useful functions for querying the state of BIO pair endpoints:
 648                  *
 649                  * BIO_ctrl_pending(bio)              number of bytes we can read now
 650                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
 651                  *                                      other side's read attempt
 652                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
 653                  *
 654                  * ..._read_request is never more than ..._write_guarantee;
 655                  * it depends on the application which one you should use.
 656                  */
 657
 658                 /* We have non-blocking behaviour throughout this test program, but
 659                  * can be sure that there is *some* progress in each iteration; so
 660                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
 661                  * -- we just try everything in each iteration
 662                  */
 663
 664                         {
 665                         /* CLIENT */
 666
 667                         MS_STATIC char cbuf[1024*8];
 668                         int i, r;
 669                         clock_t c_clock = clock();
 670
 671                         if (debug)
 672                                 if (SSL_in_init(c_ssl))
 673                                         printf("client waiting in SSL_connect - %s\n",
 674                                                 SSL_state_string_long(c_ssl));
 675
 676                         if (cw_num > 0)
 677                                 {
 678                                 /* Write to server. */
 679
 680                                 if (cw_num > (long)sizeof cbuf)
 681                                         i = sizeof cbuf;
 682                                 else
 683                                         i = (int)cw_num;
 684                                 r = BIO_write(c_ssl_bio, cbuf, i);
 685                                 if (r < 0)
 686                                         {
 687                                         if (!BIO_should_retry(c_ssl_bio))
 688                                                 {
 689                                                 fprintf(stderr,"ERROR in CLIENT\n");
 690                                                 goto err;
 691                                                 }
 692                                         /* BIO_should_retry(...) can just be ignored here.
 693                                          * The library expects us to call BIO_write with
 694                                          * the same arguments again, and that's what we will
 695                                          * do in the next iteration. */
 696                                         }
 697                                 else if (r == 0)
 698                                         {
 699                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 700                                         goto err;
 701                                         }
 702                                 else
 703                                         {
 704                                         if (debug)
 705                                                 printf("client wrote %d\n", r);
 706                                         cw_num -= r;
 707                                         }
 708                                 }
 709
 710                         if (cr_num > 0)
 711                                 {
 712                                 /* Read from server. */
 713
 714                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
 715                                 if (r < 0)
 716                                         {
 717                                         if (!BIO_should_retry(c_ssl_bio))
 718                                                 {
 719                                                 fprintf(stderr,"ERROR in CLIENT\n");
 720                                                 goto err;
 721                                                 }
 722                                         /* Again, "BIO_should_retry" can be ignored. */
 723                                         }
 724                                 else if (r == 0)
 725                                         {
 726                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 727                                         goto err;
 728                                         }
 729                                 else
 730                                         {
 731                                         if (debug)
 732                                                 printf("client read %d\n", r);
 733                                         cr_num -= r;
 734                                         }
 735                                 }
 736
 737                         /* c_time and s_time increments will typically be very small
 738                          * (depending on machine speed and clock tick intervals),
 739                          * but sampling over a large number of connections should
 740                          * result in fairly accurate figures.  We cannot guarantee
 741                          * a lot, however -- if each connection lasts for exactly
 742                          * one clock tick, it will be counted only for the client
 743                          * or only for the server or even not at all.
 744                          */
 745                         *c_time += (clock() - c_clock);
 746                         }
 747
 748                         {
 749                         /* SERVER */
 750
 751                         MS_STATIC char sbuf[1024*8];
 752                         int i, r;
 753                         clock_t s_clock = clock();
 754
 755                         if (debug)
 756                                 if (SSL_in_init(s_ssl))
 757                                         printf("server waiting in SSL_accept - %s\n",
 758                                                 SSL_state_string_long(s_ssl));
 759
 760                         if (sw_num > 0)
 761                                 {
 762                                 /* Write to client. */
 763
 764                                 if (sw_num > (long)sizeof sbuf)
 765                                         i = sizeof sbuf;
 766                                 else
 767                                         i = (int)sw_num;
 768                                 r = BIO_write(s_ssl_bio, sbuf, i);
 769                                 if (r < 0)
 770                                         {
 771                                         if (!BIO_should_retry(s_ssl_bio))
 772                                                 {
 773                                                 fprintf(stderr,"ERROR in SERVER\n");
 774                                                 goto err;
 775                                                 }
 776                                         /* Ignore "BIO_should_retry". */
 777                                         }
 778                                 else if (r == 0)
 779                                         {
 780                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
 781                                         goto err;
 782                                         }
 783                                 else
 784                                         {
 785                                         if (debug)
 786                                                 printf("server wrote %d\n", r);
 787                                         sw_num -= r;
 788                                         }
 789                                 }
 790
 791                         if (sr_num > 0)
 792                                 {
 793                                 /* Read from client. */
 794
 795                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
 796                                 if (r < 0)
 797                                         {
 798                                         if (!BIO_should_retry(s_ssl_bio))
 799                                                 {
 800                                                 fprintf(stderr,"ERROR in SERVER\n");
 801                                                 goto err;
 802                                                 }
 803                                         /* blah, blah */
 804                                         }
 805                                 else if (r == 0)
 806                                         {
 807                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
 808                                         goto err;
 809                                         }
 810                                 else
 811                                         {
 812                                         if (debug)
 813                                                 printf("server read %d\n", r);
 814                                         sr_num -= r;
 815                                         }
 816                                 }
 817
 818                         *s_time += (clock() - s_clock);
 819                         }
 820
 821                         {
 822                         /* "I/O" BETWEEN CLIENT AND SERVER. */
 823
 824                         size_t r1, r2;
 825                         BIO *io1 = server_io, *io2 = client_io;
 826                         /* we use the non-copying interface for io1
 827                          * and the standard BIO_write/BIO_read interface for io2
 828                          */
 829
 830                         static int prev_progress = 1;
 831                         int progress = 0;
 832
 833                         /* io1 to io2 */
 834                         do
 835                                 {
 836                                 size_t num;
 837                                 int r;
 838
 839                                 r1 = BIO_ctrl_pending(io1);
 840                                 r2 = BIO_ctrl_get_write_guarantee(io2);
 841
 842                                 num = r1;
 843                                 if (r2 < num)
 844                                         num = r2;
 845                                 if (num)
 846                                         {
 847                                         char *dataptr;
 848
 849                                         if (INT_MAX < num) /* yeah, right */
 850                                                 num = INT_MAX;
 851
 852                                         r = BIO_nread(io1, &dataptr, (int)num);
 853                                         assert(r > 0);
 854                                         assert(r <= (int)num);
 855                                         /* possibly r < num (non-contiguous data) */
 856                                         num = r;
 857                                         r = BIO_write(io2, dataptr, (int)num);
 858                                         if (r != (int)num) /* can't happen */
 859                                                 {
 860                                                 fprintf(stderr, "ERROR: BIO_write could not write "
 861                                                         "BIO_ctrl_get_write_guarantee() bytes");
 862                                                 goto err;
 863                                                 }
 864                                         progress = 1;
 865
 866                                         if (debug)
 867                                                 printf((io1 == client_io) ?
 868                                                         "C->S relaying: %d bytes\n" :
 869                                                         "S->C relaying: %d bytes\n",
 870                                                         (int)num);
 871                                         }
 872                                 }
 873                         while (r1 && r2);
 874
 875                         /* io2 to io1 */
 876                         {
 877                                 size_t num;
 878                                 int r;
 879
 880                                 r1 = BIO_ctrl_pending(io2);
 881                                 r2 = BIO_ctrl_get_read_request(io1);
 882                                 /* here we could use ..._get_write_guarantee instead of
 883                                  * ..._get_read_request, but by using the latter
 884                                  * we test restartability of the SSL implementation
 885                                  * more thoroughly */
 886                                 num = r1;
 887                                 if (r2 < num)
 888                                         num = r2;
 889                                 if (num)
 890                                         {
 891                                         char *dataptr;
 892
 893                                         if (INT_MAX < num)
 894                                                 num = INT_MAX;
 895
 896                                         if (num > 1)
 897                                                 --num; /* test restartability even more thoroughly */
 898
 899                                         r = BIO_nwrite(io1, &dataptr, (int)num);
 900                                         assert(r > 0);
 901                                         assert(r <= (int)num);
 902                                         num = r;
 903                                         r = BIO_read(io2, dataptr, (int)num);
 904                                         if (r != (int)num) /* can't happen */
 905                                                 {
 906                                                 fprintf(stderr, "ERROR: BIO_read could not read "
 907                                                         "BIO_ctrl_pending() bytes");
 908                                                 goto err;
 909                                                 }
 910                                         progress = 1;
 911
 912                                         if (debug)
 913                                                 printf((io2 == client_io) ?
 914                                                         "C->S relaying: %d bytes\n" :
 915                                                         "S->C relaying: %d bytes\n",
 916                                                         (int)num);
 917                                         }
 918                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
 919
 920                         if (!progress && !prev_progress)
 921                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
 922                                         {
 923                                         fprintf(stderr, "ERROR: got stuck\n");
 924                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
 925                                                 {
 926                                                 fprintf(stderr, "This can happen for SSL2 because "
 927                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
 928                                                         "concurrently ...");
 929                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
 930                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
 931                                                         {
 932                                                         fprintf(stderr, " ok.\n");
 933                                                         goto end;
 934                                                         }
 935                                                 }
 936                                         fprintf(stderr, " ERROR.\n");
 937                                         goto err;
 938                                         }
 939                         prev_progress = progress;
 940                         }
 941                 }
 942         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
 943
 944         if (verbose)
 945                 print_details(c_ssl, "DONE via BIO pair: ");
 946 end:
 947         ret = 0;
 948
 949  err:
 950         ERR_print_errors(bio_err);
 951
 952         if (server)
 953                 BIO_free(server);
 954         if (server_io)
 955                 BIO_free(server_io);
 956         if (client)
 957                 BIO_free(client);
 958         if (client_io)
 959                 BIO_free(client_io);
 960         if (s_ssl_bio)
 961                 BIO_free(s_ssl_bio);
 962         if (c_ssl_bio)
 963                 BIO_free(c_ssl_bio);
 964
 965         return ret;
 966         }
 967
 968
 969 #define W_READ  1
 970 #define W_WRITE 2
 971 #define C_DONE  1
 972 #define S_DONE  2
 973
 974 int doit(SSL *s_ssl, SSL *c_ssl, long count)
 975         {
 976         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
 977         long cw_num=count,cr_num=count;
 978         long sw_num=count,sr_num=count;
 979         int ret=1;
 980         BIO *c_to_s=NULL;
 981         BIO *s_to_c=NULL;
 982         BIO *c_bio=NULL;
 983         BIO *s_bio=NULL;
 984         int c_r,c_w,s_r,s_w;
 985         int c_want,s_want;
 986         int i,j;
 987         int done=0;
 988         int c_write,s_write;
 989         int do_server=0,do_client=0;
 990
 991         c_to_s=BIO_new(BIO_s_mem());
 992         s_to_c=BIO_new(BIO_s_mem());
 993         if ((s_to_c == NULL) || (c_to_s == NULL))
 994                 {
 995                 ERR_print_errors(bio_err);
 996                 goto err;
 997                 }
 998
 999         c_bio=BIO_new(BIO_f_ssl());
1000         s_bio=BIO_new(BIO_f_ssl());
1001         if ((c_bio == NULL) || (s_bio == NULL))
1002                 {
1003                 ERR_print_errors(bio_err);
1004                 goto err;
1005                 }
1006
1007         SSL_set_connect_state(c_ssl);
1008         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1009         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1010
1011         SSL_set_accept_state(s_ssl);
1012         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1013         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1014
1015         c_r=0; s_r=1;
1016         c_w=1; s_w=0;
1017         c_want=W_WRITE;
1018         s_want=0;
1019         c_write=1,s_write=0;
1020
1021         /* We can always do writes */
1022         for (;;)
1023                 {
1024                 do_server=0;
1025                 do_client=0;
1026
1027                 i=(int)BIO_pending(s_bio);
1028                 if ((i && s_r) || s_w) do_server=1;
1029
1030                 i=(int)BIO_pending(c_bio);
1031                 if ((i && c_r) || c_w) do_client=1;
1032
1033                 if (do_server && debug)
1034                         {
1035                         if (SSL_in_init(s_ssl))
1036                                 printf("server waiting in SSL_accept - %s\n",
1037                                         SSL_state_string_long(s_ssl));
1038 /*                      else if (s_write)
1039                                 printf("server:SSL_write()\n");
1040                         else
1041                                 printf("server:SSL_read()\n"); */
1042                         }
1043
1044                 if (do_client && debug)
1045                         {
1046                         if (SSL_in_init(c_ssl))
1047                                 printf("client waiting in SSL_connect - %s\n",
1048                                         SSL_state_string_long(c_ssl));
1049 /*                      else if (c_write)
1050                                 printf("client:SSL_write()\n");
1051                         else
1052                                 printf("client:SSL_read()\n"); */
1053                         }
1054
1055                 if (!do_client && !do_server)
1056                         {
1057                         fprintf(stdout,"ERROR IN STARTUP\n");
1058                         ERR_print_errors(bio_err);
1059                         break;
1060                         }
1061                 if (do_client && !(done & C_DONE))
1062                         {
1063                         if (c_write)
1064                                 {
1065                                 j=(cw_num > (long)sizeof(cbuf))
1066                                         ?sizeof(cbuf):(int)cw_num;
1067                                 i=BIO_write(c_bio,cbuf,j);
1068                                 if (i < 0)
1069                                         {
1070                                         c_r=0;
1071                                         c_w=0;
1072                                         if (BIO_should_retry(c_bio))
1073                                                 {
1074                                                 if (BIO_should_read(c_bio))
1075                                                         c_r=1;
1076                                                 if (BIO_should_write(c_bio))
1077                                                         c_w=1;
1078                                                 }
1079                                         else
1080                                                 {
1081                                                 fprintf(stderr,"ERROR in CLIENT\n");
1082                                                 ERR_print_errors(bio_err);
1083                                                 goto err;
1084                                                 }
1085                                         }
1086                                 else if (i == 0)
1087                                         {
1088                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1089                                         goto err;
1090                                         }
1091                                 else
1092                                         {
1093                                         if (debug)
1094                                                 printf("client wrote %d\n",i);
1095                                         /* ok */
1096                                         s_r=1;
1097                                         c_write=0;
1098                                         cw_num-=i;
1099                                         }
1100                                 }
1101                         else
1102                                 {
1103                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1104                                 if (i < 0)
1105                                         {
1106                                         c_r=0;
1107                                         c_w=0;
1108                                         if (BIO_should_retry(c_bio))
1109                                                 {
1110                                                 if (BIO_should_read(c_bio))
1111                                                         c_r=1;
1112                                                 if (BIO_should_write(c_bio))
1113                                                         c_w=1;
1114                                                 }
1115                                         else
1116                                                 {
1117                                                 fprintf(stderr,"ERROR in CLIENT\n");
1118                                                 ERR_print_errors(bio_err);
1119                                                 goto err;
1120                                                 }
1121                                         }
1122                                 else if (i == 0)
1123                                         {
1124                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1125                                         goto err;
1126                                         }
1127                                 else
1128                                         {
1129                                         if (debug)
1130                                                 printf("client read %d\n",i);
1131                                         cr_num-=i;
1132                                         if (sw_num > 0)
1133                                                 {
1134                                                 s_write=1;
1135                                                 s_w=1;
1136                                                 }
1137                                         if (cr_num <= 0)
1138                                                 {
1139                                                 s_write=1;
1140                                                 s_w=1;
1141                                                 done=S_DONE|C_DONE;
1142                                                 }
1143                                         }
1144                                 }
1145                         }
1146
1147                 if (do_server && !(done & S_DONE))
1148                         {
1149                         if (!s_write)
1150                                 {
1151                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1152                                 if (i < 0)
1153                                         {
1154                                         s_r=0;
1155                                         s_w=0;
1156                                         if (BIO_should_retry(s_bio))
1157                                                 {
1158                                                 if (BIO_should_read(s_bio))
1159                                                         s_r=1;
1160                                                 if (BIO_should_write(s_bio))
1161                                                         s_w=1;
1162                                                 }
1163                                         else
1164                                                 {
1165                                                 fprintf(stderr,"ERROR in SERVER\n");
1166                                                 ERR_print_errors(bio_err);
1167                                                 goto err;
1168                                                 }
1169                                         }
1170                                 else if (i == 0)
1171                                         {
1172                                         ERR_print_errors(bio_err);
1173                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1174                                         goto err;
1175                                         }
1176                                 else
1177                                         {
1178                                         if (debug)
1179                                                 printf("server read %d\n",i);
1180                                         sr_num-=i;
1181                                         if (cw_num > 0)
1182                                                 {
1183                                                 c_write=1;
1184                                                 c_w=1;
1185                                                 }
1186                                         if (sr_num <= 0)
1187                                                 {
1188                                                 s_write=1;
1189                                                 s_w=1;
1190                                                 c_write=0;
1191                                                 }
1192                                         }
1193                                 }
1194                         else
1195                                 {
1196                                 j=(sw_num > (long)sizeof(sbuf))?
1197                                         sizeof(sbuf):(int)sw_num;
1198                                 i=BIO_write(s_bio,sbuf,j);
1199                                 if (i < 0)
1200                                         {
1201                                         s_r=0;
1202                                         s_w=0;
1203                                         if (BIO_should_retry(s_bio))
1204                                                 {
1205                                                 if (BIO_should_read(s_bio))
1206                                                         s_r=1;
1207                                                 if (BIO_should_write(s_bio))
1208                                                         s_w=1;
1209                                                 }
1210                                         else
1211                                                 {
1212                                                 fprintf(stderr,"ERROR in SERVER\n");
1213                                                 ERR_print_errors(bio_err);
1214                                                 goto err;
1215                                                 }
1216                                         }
1217                                 else if (i == 0)
1218                                         {
1219                                         ERR_print_errors(bio_err);
1220                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1221                                         goto err;
1222                                         }
1223                                 else
1224                                         {
1225                                         if (debug)
1226                                                 printf("server wrote %d\n",i);
1227                                         sw_num-=i;
1228                                         s_write=0;
1229                                         c_r=1;
1230                                         if (sw_num <= 0)
1231                                                 done|=S_DONE;
1232                                         }
1233                                 }
1234                         }
1235
1236                 if ((done & S_DONE) && (done & C_DONE)) break;
1237                 }
1238
1239         if (verbose)
1240                 print_details(c_ssl, "DONE: ");
1241         ret=0;
1242 err:
1243         /* We have to set the BIO's to NULL otherwise they will be
1244          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1245          * again when c_ssl is SSL_free()ed.
1246          * This is a hack required because s_ssl and c_ssl are sharing the same
1247          * BIO structure and SSL_set_bio() and SSL_free() automatically
1248          * BIO_free non NULL entries.
1249          * You should not normally do this or be required to do this */
1250         if (s_ssl != NULL)
1251                 {
1252                 s_ssl->rbio=NULL;
1253                 s_ssl->wbio=NULL;
1254                 }
1255         if (c_ssl != NULL)
1256                 {
1257                 c_ssl->rbio=NULL;
1258                 c_ssl->wbio=NULL;
1259                 }
1260
1261         if (c_to_s != NULL) BIO_free(c_to_s);
1262         if (s_to_c != NULL) BIO_free(s_to_c);
1263         if (c_bio != NULL) BIO_free_all(c_bio);
1264         if (s_bio != NULL) BIO_free_all(s_bio);
1265         return(ret);
1266         }
1267
1268 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1269         {
1270         char *s,buf[256];
1271
1272         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,256);
1273         if (s != NULL)
1274                 {
1275                 if (ok)
1276                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1277                 else
1278                         fprintf(stderr,"depth=%d error=%d %s\n",
1279                                 ctx->error_depth,ctx->error,buf);
1280                 }
1281
1282         if (ok == 0)
1283                 {
1284                 switch (ctx->error)
1285                         {
1286                 case X509_V_ERR_CERT_NOT_YET_VALID:
1287                 case X509_V_ERR_CERT_HAS_EXPIRED:
1288                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1289                         ok=1;
1290                         }
1291                 }
1292
1293         return(ok);
1294         }
1295
1296 #ifndef NO_RSA
1297 static RSA *rsa_tmp=NULL;
1298
1299 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1300         {
1301         if (rsa_tmp == NULL)
1302                 {
1303                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1304                 (void)BIO_flush(bio_err);
1305                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1306                 BIO_printf(bio_err,"\n");
1307                 (void)BIO_flush(bio_err);
1308                 }
1309         return(rsa_tmp);
1310         }
1311
1312 static void free_tmp_rsa(void)
1313         {
1314         if (rsa_tmp != NULL)
1315                 {
1316                 RSA_free(rsa_tmp);
1317                 rsa_tmp = NULL;
1318                 }
1319         }
1320 #endif
1321
1322 #ifndef NO_DH
1323 /* These DH parameters have been generated as follows:
1324  *    $ openssl dhparam -C -noout 512
1325  *    $ openssl dhparam -C -noout 1024
1326  *    $ openssl dhparam -C -noout -dsaparam 1024
1327  * (The third function has been renamed to avoid name conflicts.)
1328  */
1329 static DH *get_dh512()
1330         {
1331         static unsigned char dh512_p[]={
1332                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1333                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1334                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1335                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1336                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1337                 0x02,0xC5,0xAE,0x23,
1338                 };
1339         static unsigned char dh512_g[]={
1340                 0x02,
1341                 };
1342         DH *dh;
1343
1344         if ((dh=DH_new()) == NULL) return(NULL);
1345         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1346         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1347         if ((dh->p == NULL) || (dh->g == NULL))
1348                 { DH_free(dh); return(NULL); }
1349         return(dh);
1350         }
1351
1352 static DH *get_dh1024()
1353         {
1354         static unsigned char dh1024_p[]={
1355                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1356                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1357                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1358                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1359                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1360                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1361                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1362                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1363                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1364                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1365                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1366                 };
1367         static unsigned char dh1024_g[]={
1368                 0x02,
1369                 };
1370         DH *dh;
1371
1372         if ((dh=DH_new()) == NULL) return(NULL);
1373         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1374         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1375         if ((dh->p == NULL) || (dh->g == NULL))
1376                 { DH_free(dh); return(NULL); }
1377         return(dh);
1378         }
1379
1380 static DH *get_dh1024dsa()
1381         {
1382         static unsigned char dh1024_p[]={
1383                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1384                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1385                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1386                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1387                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1388                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1389                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1390                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1391                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1392                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1393                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1394                 };
1395         static unsigned char dh1024_g[]={
1396                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1397                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1398                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1399                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1400                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1401                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1402                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1403                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1404                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1405                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1406                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1407                 };
1408         DH *dh;
1409
1410         if ((dh=DH_new()) == NULL) return(NULL);
1411         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1412         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1413         if ((dh->p == NULL) || (dh->g == NULL))
1414                 { DH_free(dh); return(NULL); }
1415         dh->length = 160;
1416         return(dh);
1417         }
1418 #endif