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 <stdio.h>
  60 #include <stdlib.h>
  61 #include <string.h>
  62 #include <errno.h>
  63
  64 #ifndef FLAT_INC
  65 # include "../e_os.h"
  66 #else
  67 # include "e_os.h"
  68 #endif
  69
  70 #include <openssl/bio.h>
  71 #include <openssl/crypto.h>
  72 #include <openssl/x509.h>
  73 #include <openssl/ssl.h>
  74 #include <openssl/err.h>
  75 #ifdef WINDOWS
  76 #include "../crypto/bio/bss_file.c"
  77 #endif
  78
  79 #if defined(NO_RSA) && !defined(NO_SSL2)
  80 #define NO_SSL2
  81 #endif
  82
  83 #ifdef VMS
  84 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
  85 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
  86 #else
  87 #  define TEST_SERVER_CERT "../apps/server.pem"
  88 #  define TEST_CLIENT_CERT "../apps/client.pem"
  89 #endif
  90
  91 int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
  92 #ifndef NO_RSA
  93 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export,int keylength);
  94 #endif
  95 #ifndef NO_DH
  96 static DH *get_dh512(void);
  97 #endif
  98 BIO *bio_err=NULL;
  99 BIO *bio_stdout=NULL;
 100
 101 static char *cipher=NULL;
 102 int verbose=0;
 103 int debug=0;
 104 #ifdef FIONBIO
 105 static int s_nbio=0;
 106 #endif
 107
 108
 109 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
 110 static void sv_usage(void)
 111         {
 112         fprintf(stderr,"usage: ssltest [args ...]\n");
 113         fprintf(stderr,"\n");
 114         fprintf(stderr," -server_auth  - check server certificate\n");
 115         fprintf(stderr," -client_auth  - do client authentication\n");
 116         fprintf(stderr," -v            - more output\n");
 117         fprintf(stderr," -d            - debug output\n");
 118         fprintf(stderr," -reuse        - use session-id reuse\n");
 119         fprintf(stderr," -num <val>    - number of connections to perform\n");
 120         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
 121 #ifndef NO_SSL2
 122         fprintf(stderr," -ssl2         - use SSLv2\n");
 123 #endif
 124 #ifndef NO_SSL3
 125         fprintf(stderr," -ssl3         - use SSLv3\n");
 126 #endif
 127 #ifndef NO_TLS1
 128         fprintf(stderr," -tls1         - use TLSv1\n");
 129 #endif
 130         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
 131         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
 132         fprintf(stderr," -cert arg     - Certificate file\n");
 133         fprintf(stderr," -s_cert arg   - Just the server certificate file\n");
 134         fprintf(stderr," -c_cert arg   - Just the client certificate file\n");
 135         fprintf(stderr," -cipher arg   - The cipher list\n");
 136         }
 137
 138 int main(int argc, char *argv[])
 139         {
 140         char *CApath=NULL,*CAfile=NULL;
 141         int badop=0;
 142         int tls1=0,ssl2=0,ssl3=0,ret=1;
 143         int client_auth=0;
 144         int server_auth=0,i;
 145         char *server_cert=TEST_SERVER_CERT;
 146         char *client_cert=TEST_CLIENT_CERT;
 147         SSL_CTX *s_ctx=NULL;
 148         SSL_CTX *c_ctx=NULL;
 149         SSL_METHOD *meth=NULL;
 150         SSL *c_ssl,*s_ssl;
 151         int number=1,reuse=0;
 152         long bytes=1L;
 153         SSL_CIPHER *ciph;
 154 #ifndef NO_DH
 155         DH *dh;
 156 #endif
 157
 158         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 159         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
 160
 161         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 162
 163         argc--;
 164         argv++;
 165
 166         while (argc >= 1)
 167                 {
 168                 if      (strcmp(*argv,"-server_auth") == 0)
 169                         server_auth=1;
 170                 else if (strcmp(*argv,"-client_auth") == 0)
 171                         client_auth=1;
 172                 else if (strcmp(*argv,"-v") == 0)
 173                         verbose=1;
 174                 else if (strcmp(*argv,"-d") == 0)
 175                         debug=1;
 176                 else if (strcmp(*argv,"-reuse") == 0)
 177                         reuse=1;
 178                 else if (strcmp(*argv,"-ssl2") == 0)
 179                         ssl2=1;
 180                 else if (strcmp(*argv,"-tls1") == 0)
 181                         tls1=1;
 182                 else if (strcmp(*argv,"-ssl3") == 0)
 183                         ssl3=1;
 184                 else if (strncmp(*argv,"-num",4) == 0)
 185                         {
 186                         if (--argc < 1) goto bad;
 187                         number= atoi(*(++argv));
 188                         if (number == 0) number=1;
 189                         }
 190                 else if (strcmp(*argv,"-bytes") == 0)
 191                         {
 192                         if (--argc < 1) goto bad;
 193                         bytes= atol(*(++argv));
 194                         if (bytes == 0L) bytes=1L;
 195                         i=strlen(argv[0]);
 196                         if (argv[0][i-1] == 'k') bytes*=1024L;
 197                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
 198                         }
 199                 else if (strcmp(*argv,"-cert") == 0)
 200                         {
 201                         if (--argc < 1) goto bad;
 202                         server_cert= *(++argv);
 203                         }
 204                 else if (strcmp(*argv,"-s_cert") == 0)
 205                         {
 206                         if (--argc < 1) goto bad;
 207                         server_cert= *(++argv);
 208                         }
 209                 else if (strcmp(*argv,"-c_cert") == 0)
 210                         {
 211                         if (--argc < 1) goto bad;
 212                         client_cert= *(++argv);
 213                         }
 214                 else if (strcmp(*argv,"-cipher") == 0)
 215                         {
 216                         if (--argc < 1) goto bad;
 217                         cipher= *(++argv);
 218                         }
 219                 else if (strcmp(*argv,"-CApath") == 0)
 220                         {
 221                         if (--argc < 1) goto bad;
 222                         CApath= *(++argv);
 223                         }
 224                 else if (strcmp(*argv,"-CAfile") == 0)
 225                         {
 226                         if (--argc < 1) goto bad;
 227                         CAfile= *(++argv);
 228                         }
 229                 else
 230                         {
 231                         fprintf(stderr,"unknown option %s\n",*argv);
 232                         badop=1;
 233                         break;
 234                         }
 235                 argc--;
 236                 argv++;
 237                 }
 238         if (badop)
 239                 {
 240 bad:
 241                 sv_usage();
 242                 goto end;
 243                 }
 244
 245 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
 246
 247         SSL_library_init();
 248         SSL_load_error_strings();
 249
 250 #if !defined(NO_SSL2) && !defined(NO_SSL3)
 251         if (ssl2)
 252                 meth=SSLv2_method();
 253         else
 254         if (tls1)
 255                 meth=TLSv1_method();
 256         else
 257         if (ssl3)
 258                 meth=SSLv3_method();
 259         else
 260                 meth=SSLv23_method();
 261 #else
 262 #ifdef NO_SSL2
 263         meth=SSLv3_method();
 264 #else
 265         meth=SSLv2_method();
 266 #endif
 267 #endif
 268
 269         c_ctx=SSL_CTX_new(meth);
 270         s_ctx=SSL_CTX_new(meth);
 271         if ((c_ctx == NULL) || (s_ctx == NULL))
 272                 {
 273                 ERR_print_errors(bio_err);
 274                 goto end;
 275                 }
 276
 277         if (cipher != NULL)
 278                 {
 279                 SSL_CTX_set_cipher_list(c_ctx,cipher);
 280                 SSL_CTX_set_cipher_list(s_ctx,cipher);
 281                 }
 282
 283 #ifndef NO_DH
 284         dh=get_dh512();
 285         SSL_CTX_set_tmp_dh(s_ctx,dh);
 286         DH_free(dh);
 287 #endif
 288
 289 #ifndef NO_RSA
 290         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
 291 #endif
 292
 293         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
 294                 {
 295                 ERR_print_errors(bio_err);
 296                 }
 297         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,server_cert,
 298                 SSL_FILETYPE_PEM))
 299                 {
 300                 ERR_print_errors(bio_err);
 301                 goto end;
 302                 }
 303
 304         if (client_auth)
 305                 {
 306                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
 307                         SSL_FILETYPE_PEM);
 308                 SSL_CTX_use_PrivateKey_file(c_ctx,client_cert,
 309                         SSL_FILETYPE_PEM);
 310                 }
 311
 312         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
 313                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
 314                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
 315                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
 316                 {
 317                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
 318                 ERR_print_errors(bio_err);
 319                 /* goto end; */
 320                 }
 321
 322         if (client_auth)
 323                 {
 324                 fprintf(stderr,"client authentication\n");
 325                 SSL_CTX_set_verify(s_ctx,
 326                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
 327                         verify_callback);
 328                 }
 329         if (server_auth)
 330                 {
 331                 fprintf(stderr,"server authentication\n");
 332                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
 333                         verify_callback);
 334                 }
 335
 336         c_ssl=SSL_new(c_ctx);
 337         s_ssl=SSL_new(s_ctx);
 338
 339         for (i=0; i<number; i++)
 340                 {
 341                 if (!reuse) SSL_set_session(c_ssl,NULL);
 342                 ret=doit(s_ssl,c_ssl,bytes);
 343                 }
 344
 345         if (!verbose)
 346                 {
 347                 ciph=SSL_get_current_cipher(c_ssl);
 348                 fprintf(stdout,"Protocol %s, cipher %s, %s\n",
 349                         SSL_get_version(c_ssl),
 350                         SSL_CIPHER_get_version(ciph),
 351                         SSL_CIPHER_get_name(ciph));
 352                 }
 353         if ((number > 1) || (bytes > 1L))
 354                 printf("%d handshakes of %ld bytes done\n",number,bytes);
 355
 356         SSL_free(s_ssl);
 357         SSL_free(c_ssl);
 358
 359 end:
 360         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
 361         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
 362
 363         if (bio_stdout != NULL) BIO_free(bio_stdout);
 364
 365         ERR_free_strings();
 366         ERR_remove_state(0);
 367         EVP_cleanup();
 368         CRYPTO_mem_leaks(bio_err);
 369         EXIT(ret);
 370         }
 371
 372 #define W_READ  1
 373 #define W_WRITE 2
 374 #define C_DONE  1
 375 #define S_DONE  2
 376
 377 int doit(SSL *s_ssl, SSL *c_ssl, long count)
 378         {
 379         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
 380         long cw_num=count,cr_num=count;
 381         long sw_num=count,sr_num=count;
 382         int ret=1;
 383         BIO *c_to_s=NULL;
 384         BIO *s_to_c=NULL;
 385         BIO *c_bio=NULL;
 386         BIO *s_bio=NULL;
 387         int c_r,c_w,s_r,s_w;
 388         int c_want,s_want;
 389         int i,j;
 390         int done=0;
 391         int c_write,s_write;
 392         int do_server=0,do_client=0;
 393         SSL_CIPHER *ciph;
 394
 395         c_to_s=BIO_new(BIO_s_mem());
 396         s_to_c=BIO_new(BIO_s_mem());
 397         if ((s_to_c == NULL) || (c_to_s == NULL))
 398                 {
 399                 ERR_print_errors(bio_err);
 400                 goto err;
 401                 }
 402
 403         c_bio=BIO_new(BIO_f_ssl());
 404         s_bio=BIO_new(BIO_f_ssl());
 405         if ((c_bio == NULL) || (s_bio == NULL))
 406                 {
 407                 ERR_print_errors(bio_err);
 408                 goto err;
 409                 }
 410
 411         SSL_set_connect_state(c_ssl);
 412         SSL_set_bio(c_ssl,s_to_c,c_to_s);
 413         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
 414
 415         SSL_set_accept_state(s_ssl);
 416         SSL_set_bio(s_ssl,c_to_s,s_to_c);
 417         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
 418
 419         c_r=0; s_r=1;
 420         c_w=1; s_w=0;
 421         c_want=W_WRITE;
 422         s_want=0;
 423         c_write=1,s_write=0;
 424
 425         /* We can always do writes */
 426         for (;;)
 427                 {
 428                 do_server=0;
 429                 do_client=0;
 430
 431                 i=(int)BIO_pending(s_bio);
 432                 if ((i && s_r) || s_w) do_server=1;
 433
 434                 i=(int)BIO_pending(c_bio);
 435                 if ((i && c_r) || c_w) do_client=1;
 436
 437                 if (do_server && debug)
 438                         {
 439                         if (SSL_in_init(s_ssl))
 440                                 printf("server waiting in SSL_accept - %s\n",
 441                                         SSL_state_string_long(s_ssl));
 442 /*                      else if (s_write)
 443                                 printf("server:SSL_write()\n");
 444                         else
 445                                 printf("server:SSL_read()\n"); */
 446                         }
 447
 448                 if (do_client && debug)
 449                         {
 450                         if (SSL_in_init(c_ssl))
 451                                 printf("client waiting in SSL_connect - %s\n",
 452                                         SSL_state_string_long(c_ssl));
 453 /*                      else if (c_write)
 454                                 printf("client:SSL_write()\n");
 455                         else
 456                                 printf("client:SSL_read()\n"); */
 457                         }
 458
 459                 if (!do_client && !do_server)
 460                         {
 461                         fprintf(stdout,"ERROR IN STARTUP\n");
 462                         ERR_print_errors(bio_err);
 463                         break;
 464                         }
 465                 if (do_client && !(done & C_DONE))
 466                         {
 467                         if (c_write)
 468                                 {
 469                                 j=(cw_num > (long)sizeof(cbuf))
 470                                         ?sizeof(cbuf):(int)cw_num;
 471                                 i=BIO_write(c_bio,cbuf,j);
 472                                 if (i < 0)
 473                                         {
 474                                         c_r=0;
 475                                         c_w=0;
 476                                         if (BIO_should_retry(c_bio))
 477                                                 {
 478                                                 if (BIO_should_read(c_bio))
 479                                                         c_r=1;
 480                                                 if (BIO_should_write(c_bio))
 481                                                         c_w=1;
 482                                                 }
 483                                         else
 484                                                 {
 485                                                 fprintf(stderr,"ERROR in CLIENT\n");
 486                                                 ERR_print_errors(bio_err);
 487                                                 goto err;
 488                                                 }
 489                                         }
 490                                 else if (i == 0)
 491                                         {
 492                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 493                                         goto err;
 494                                         }
 495                                 else
 496                                         {
 497                                         if (debug)
 498                                                 printf("client wrote %d\n",i);
 499                                         /* ok */
 500                                         s_r=1;
 501                                         c_write=0;
 502                                         cw_num-=i;
 503                                         }
 504                                 }
 505                         else
 506                                 {
 507                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
 508                                 if (i < 0)
 509                                         {
 510                                         c_r=0;
 511                                         c_w=0;
 512                                         if (BIO_should_retry(c_bio))
 513                                                 {
 514                                                 if (BIO_should_read(c_bio))
 515                                                         c_r=1;
 516                                                 if (BIO_should_write(c_bio))
 517                                                         c_w=1;
 518                                                 }
 519                                         else
 520                                                 {
 521                                                 fprintf(stderr,"ERROR in CLIENT\n");
 522                                                 ERR_print_errors(bio_err);
 523                                                 goto err;
 524                                                 }
 525                                         }
 526                                 else if (i == 0)
 527                                         {
 528                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 529                                         goto err;
 530                                         }
 531                                 else
 532                                         {
 533                                         if (debug)
 534                                                 printf("client read %d\n",i);
 535                                         cr_num-=i;
 536                                         if (sw_num > 0)
 537                                                 {
 538                                                 s_write=1;
 539                                                 s_w=1;
 540                                                 }
 541                                         if (cr_num <= 0)
 542                                                 {
 543                                                 s_write=1;
 544                                                 s_w=1;
 545                                                 done=S_DONE|C_DONE;
 546                                                 }
 547                                         }
 548                                 }
 549                         }
 550
 551                 if (do_server && !(done & S_DONE))
 552                         {
 553                         if (!s_write)
 554                                 {
 555                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
 556                                 if (i < 0)
 557                                         {
 558                                         s_r=0;
 559                                         s_w=0;
 560                                         if (BIO_should_retry(s_bio))
 561                                                 {
 562                                                 if (BIO_should_read(s_bio))
 563                                                         s_r=1;
 564                                                 if (BIO_should_write(s_bio))
 565                                                         s_w=1;
 566                                                 }
 567                                         else
 568                                                 {
 569                                                 fprintf(stderr,"ERROR in SERVER\n");
 570                                                 ERR_print_errors(bio_err);
 571                                                 goto err;
 572                                                 }
 573                                         }
 574                                 else if (i == 0)
 575                                         {
 576                                         ERR_print_errors(bio_err);
 577                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
 578                                         goto err;
 579                                         }
 580                                 else
 581                                         {
 582                                         if (debug)
 583                                                 printf("server read %d\n",i);
 584                                         sr_num-=i;
 585                                         if (cw_num > 0)
 586                                                 {
 587                                                 c_write=1;
 588                                                 c_w=1;
 589                                                 }
 590                                         if (sr_num <= 0)
 591                                                 {
 592                                                 s_write=1;
 593                                                 s_w=1;
 594                                                 c_write=0;
 595                                                 }
 596                                         }
 597                                 }
 598                         else
 599                                 {
 600                                 j=(sw_num > (long)sizeof(sbuf))?
 601                                         sizeof(sbuf):(int)sw_num;
 602                                 i=BIO_write(s_bio,sbuf,j);
 603                                 if (i < 0)
 604                                         {
 605                                         s_r=0;
 606                                         s_w=0;
 607                                         if (BIO_should_retry(s_bio))
 608                                                 {
 609                                                 if (BIO_should_read(s_bio))
 610                                                         s_r=1;
 611                                                 if (BIO_should_write(s_bio))
 612                                                         s_w=1;
 613                                                 }
 614                                         else
 615                                                 {
 616                                                 fprintf(stderr,"ERROR in SERVER\n");
 617                                                 ERR_print_errors(bio_err);
 618                                                 goto err;
 619                                                 }
 620                                         }
 621                                 else if (i == 0)
 622                                         {
 623                                         ERR_print_errors(bio_err);
 624                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
 625                                         goto err;
 626                                         }
 627                                 else
 628                                         {
 629                                         if (debug)
 630                                                 printf("server wrote %d\n",i);
 631                                         sw_num-=i;
 632                                         s_write=0;
 633                                         c_r=1;
 634                                         if (sw_num <= 0)
 635                                                 done|=S_DONE;
 636                                         }
 637                                 }
 638                         }
 639
 640                 if ((done & S_DONE) && (done & C_DONE)) break;
 641                 }
 642
 643         ciph=SSL_get_current_cipher(c_ssl);
 644         if (verbose)
 645                 fprintf(stdout,"DONE, protocol %s, cipher %s, %s\n",
 646                         SSL_get_version(c_ssl),
 647                         SSL_CIPHER_get_version(ciph),
 648                         SSL_CIPHER_get_name(ciph));
 649         ret=0;
 650 err:
 651         /* We have to set the BIO's to NULL otherwise they will be
 652          * Free()ed twice.  Once when th s_ssl is SSL_free()ed and
 653          * again when c_ssl is SSL_free()ed.
 654          * This is a hack required because s_ssl and c_ssl are sharing the same
 655          * BIO structure and SSL_set_bio() and SSL_free() automatically
 656          * BIO_free non NULL entries.
 657          * You should not normally do this or be required to do this */
 658         if (s_ssl != NULL)
 659                 {
 660                 s_ssl->rbio=NULL;
 661                 s_ssl->wbio=NULL;
 662                 }
 663         if (c_ssl != NULL)
 664                 {
 665                 c_ssl->rbio=NULL;
 666                 c_ssl->wbio=NULL;
 667                 }
 668
 669         if (c_to_s != NULL) BIO_free(c_to_s);
 670         if (s_to_c != NULL) BIO_free(s_to_c);
 671         if (c_bio != NULL) BIO_free_all(c_bio);
 672         if (s_bio != NULL) BIO_free_all(s_bio);
 673         return(ret);
 674         }
 675
 676 int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
 677         {
 678         char *s,buf[256];
 679
 680         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,256);
 681         if (s != NULL)
 682                 {
 683                 if (ok)
 684                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
 685                 else
 686                         fprintf(stderr,"depth=%d error=%d %s\n",
 687                                 ctx->error_depth,ctx->error,buf);
 688                 }
 689
 690         if (ok == 0)
 691                 {
 692                 switch (ctx->error)
 693                         {
 694                 case X509_V_ERR_CERT_NOT_YET_VALID:
 695                 case X509_V_ERR_CERT_HAS_EXPIRED:
 696                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
 697                         ok=1;
 698                         }
 699                 }
 700
 701         return(ok);
 702         }
 703
 704 #ifndef NO_DH
 705 static unsigned char dh512_p[]={
 706         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 707         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 708         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 709         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 710         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 711         0x47,0x74,0xE8,0x33,
 712         };
 713 static unsigned char dh512_g[]={
 714         0x02,
 715         };
 716
 717 static DH *get_dh512(void)
 718         {
 719         DH *dh=NULL;
 720
 721         if ((dh=DH_new()) == NULL) return(NULL);
 722         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 723         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 724         if ((dh->p == NULL) || (dh->g == NULL))
 725                 return(NULL);
 726         return(dh);
 727         }
 728 #endif
 729
 730 #ifndef NO_RSA
 731 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export, int keylength)
 732         {
 733         static RSA *rsa_tmp=NULL;
 734
 735         if (rsa_tmp == NULL)
 736                 {
 737                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
 738                 BIO_flush(bio_err);
 739                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
 740                 BIO_printf(bio_err,"\n");
 741                 BIO_flush(bio_err);
 742                 }
 743         return(rsa_tmp);
 744         }
 745 #endif