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