apps/s_time.c

   1 /* apps/s_time.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 #define NO_SHUTDOWN
  60
  61 /*-----------------------------------------
  62    s_time - SSL client connection timer program
  63    Written and donated by Larry Streepy <streepy@healthcare.com>
  64   -----------------------------------------*/
  65
  66 #include <stdio.h>
  67 #include <stdlib.h>
  68 #include <string.h>
  69
  70 #define USE_SOCKETS
  71 #include "apps.h"
  72 #ifdef OPENSSL_NO_STDIO
  73 #define APPS_WIN16
  74 #endif
  75 #include <openssl/x509.h>
  76 #include <openssl/ssl.h>
  77 #include <openssl/pem.h>
  78 #include "s_apps.h"
  79 #include <openssl/err.h>
  80 #ifdef WIN32_STUFF
  81 #include "winmain.h"
  82 #include "wintext.h"
  83 #endif
  84 #if !defined(OPENSSL_SYS_MSDOS)
  85 #include OPENSSL_UNISTD
  86 #endif
  87
  88 #if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VXWORKS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX)
  89 #define TIMES
  90 #endif
  91
  92 #ifndef _IRIX
  93 #include <time.h>
  94 #endif
  95 #ifdef TIMES
  96 #include <sys/types.h>
  97 #include <sys/times.h>
  98 #endif
  99
 100 /* Depending on the VMS version, the tms structure is perhaps defined.
 101    The __TMS macro will show if it was.  If it wasn't defined, we should
 102    undefine TIMES, since that tells the rest of the program how things
 103    should be handled.                           -- Richard Levitte */
 104 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
 105 #undef TIMES
 106 #endif
 107
 108 #if !defined(TIMES) && !defined(OPENSSL_SYS_VXWORKS)
 109 #include <sys/timeb.h>
 110 #endif
 111
 112 #ifdef _AIX
 113 #include <sys/select.h>
 114 #endif
 115
 116 #if defined(sun) || defined(__ultrix)
 117 #define _POSIX_SOURCE
 118 #include <limits.h>
 119 #include <sys/param.h>
 120 #endif
 121
 122 /* The following if from times(3) man page.  It may need to be changed
 123 */
 124 #ifndef HZ
 125 # ifdef _SC_CLK_TCK
 126 #  define HZ ((double)sysconf(_SC_CLK_TCK))
 127 # else
 128 #  ifndef CLK_TCK
 129 #   ifndef _BSD_CLK_TCK_ /* FreeBSD hack */
 130 #    define HZ  100.0
 131 #   else /* _BSD_CLK_TCK_ */
 132 #    define HZ ((double)_BSD_CLK_TCK_)
 133 #   endif
 134 #  else /* CLK_TCK */
 135 #   define HZ ((double)CLK_TCK)
 136 #  endif
 137 # endif
 138 #endif
 139
 140 #undef PROG
 141 #define PROG s_time_main
 142
 143 #undef ioctl
 144 #define ioctl ioctlsocket
 145
 146 #define SSL_CONNECT_NAME        "localhost:4433"
 147
 148 /*#define TEST_CERT "client.pem" */ /* no default cert. */
 149
 150 #undef BUFSIZZ
 151 #define BUFSIZZ 1024*10
 152
 153 #undef min
 154 #undef max
 155 #define min(a,b) (((a) < (b)) ? (a) : (b))
 156 #define max(a,b) (((a) > (b)) ? (a) : (b))
 157
 158 #undef SECONDS
 159 #define SECONDS 30
 160 extern int verify_depth;
 161 extern int verify_error;
 162
 163 static void s_time_usage(void);
 164 static int parseArgs( int argc, char **argv );
 165 static SSL *doConnection( SSL *scon );
 166 static void s_time_init(void);
 167
 168 /***********************************************************************
 169  * Static data declarations
 170  */
 171
 172 /* static char *port=PORT_STR;*/
 173 static char *host=SSL_CONNECT_NAME;
 174 static char *t_cert_file=NULL;
 175 static char *t_key_file=NULL;
 176 static char *CApath=NULL;
 177 static char *CAfile=NULL;
 178 static char *tm_cipher=NULL;
 179 static int tm_verify = SSL_VERIFY_NONE;
 180 static int maxTime = SECONDS;
 181 static SSL_CTX *tm_ctx=NULL;
 182 static SSL_METHOD *s_time_meth=NULL;
 183 static char *s_www_path=NULL;
 184 static long bytes_read=0;
 185 static int st_bugs=0;
 186 static int perform=0;
 187 #ifdef FIONBIO
 188 static int t_nbio=0;
 189 #endif
 190 #ifdef OPENSSL_SYS_WIN32
 191 static int exitNow = 0;         /* Set when it's time to exit main */
 192 #endif
 193
 194 static void s_time_init(void)
 195         {
 196         host=SSL_CONNECT_NAME;
 197         t_cert_file=NULL;
 198         t_key_file=NULL;
 199         CApath=NULL;
 200         CAfile=NULL;
 201         tm_cipher=NULL;
 202         tm_verify = SSL_VERIFY_NONE;
 203         maxTime = SECONDS;
 204         tm_ctx=NULL;
 205         s_time_meth=NULL;
 206         s_www_path=NULL;
 207         bytes_read=0;
 208         st_bugs=0;
 209         perform=0;
 210
 211 #ifdef FIONBIO
 212         t_nbio=0;
 213 #endif
 214 #ifdef OPENSSL_SYS_WIN32
 215         exitNow = 0;            /* Set when it's time to exit main */
 216 #endif
 217         }
 218
 219 /***********************************************************************
 220  * usage - display usage message
 221  */
 222 static void s_time_usage(void)
 223 {
 224         static char umsg[] = "\
 225 -time arg     - max number of seconds to collect data, default %d\n\
 226 -verify arg   - turn on peer certificate verification, arg == depth\n\
 227 -cert arg     - certificate file to use, PEM format assumed\n\
 228 -key arg      - RSA file to use, PEM format assumed, key is in cert file\n\
 229                 file if not specified by this option\n\
 230 -CApath arg   - PEM format directory of CA's\n\
 231 -CAfile arg   - PEM format file of CA's\n\
 232 -cipher       - preferred cipher to use, play with 'openssl ciphers'\n\n";
 233
 234         printf( "usage: s_time <args>\n\n" );
 235
 236         printf("-connect host:port - host:port to connect to (default is %s)\n",SSL_CONNECT_NAME);
 237 #ifdef FIONBIO
 238         printf("-nbio         - Run with non-blocking IO\n");
 239         printf("-ssl2         - Just use SSLv2\n");
 240         printf("-ssl3         - Just use SSLv3\n");
 241         printf("-bugs         - Turn on SSL bug compatibility\n");
 242         printf("-new          - Just time new connections\n");
 243         printf("-reuse        - Just time connection reuse\n");
 244         printf("-www page     - Retrieve 'page' from the site\n");
 245 #endif
 246         printf( umsg,SECONDS );
 247 }
 248
 249 /***********************************************************************
 250  * parseArgs - Parse command line arguments and initialize data
 251  *
 252  * Returns 0 if ok, -1 on bad args
 253  */
 254 static int parseArgs(int argc, char **argv)
 255 {
 256     int badop = 0;
 257
 258     verify_depth=0;
 259     verify_error=X509_V_OK;
 260
 261     argc--;
 262     argv++;
 263
 264     while (argc >= 1) {
 265         if (strcmp(*argv,"-connect") == 0)
 266                 {
 267                 if (--argc < 1) goto bad;
 268                 host= *(++argv);
 269                 }
 270 #if 0
 271         else if( strcmp(*argv,"-host") == 0)
 272                 {
 273                 if (--argc < 1) goto bad;
 274                 host= *(++argv);
 275                 }
 276         else if( strcmp(*argv,"-port") == 0)
 277                 {
 278                 if (--argc < 1) goto bad;
 279                 port= *(++argv);
 280                 }
 281 #endif
 282         else if (strcmp(*argv,"-reuse") == 0)
 283                 perform=2;
 284         else if (strcmp(*argv,"-new") == 0)
 285                 perform=1;
 286         else if( strcmp(*argv,"-verify") == 0) {
 287
 288             tm_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
 289             if (--argc < 1) goto bad;
 290             verify_depth=atoi(*(++argv));
 291             BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 292
 293         } else if( strcmp(*argv,"-cert") == 0) {
 294
 295             if (--argc < 1) goto bad;
 296             t_cert_file= *(++argv);
 297
 298         } else if( strcmp(*argv,"-key") == 0) {
 299
 300             if (--argc < 1) goto bad;
 301             t_key_file= *(++argv);
 302
 303         } else if( strcmp(*argv,"-CApath") == 0) {
 304
 305             if (--argc < 1) goto bad;
 306             CApath= *(++argv);
 307
 308         } else if( strcmp(*argv,"-CAfile") == 0) {
 309
 310             if (--argc < 1) goto bad;
 311             CAfile= *(++argv);
 312
 313         } else if( strcmp(*argv,"-cipher") == 0) {
 314
 315             if (--argc < 1) goto bad;
 316             tm_cipher= *(++argv);
 317         }
 318 #ifdef FIONBIO
 319         else if(strcmp(*argv,"-nbio") == 0) {
 320             t_nbio=1;
 321         }
 322 #endif
 323         else if(strcmp(*argv,"-www") == 0)
 324                 {
 325                 if (--argc < 1) goto bad;
 326                 s_www_path= *(++argv);
 327                 }
 328         else if(strcmp(*argv,"-bugs") == 0)
 329             st_bugs=1;
 330 #ifndef OPENSSL_NO_SSL2
 331         else if(strcmp(*argv,"-ssl2") == 0)
 332             s_time_meth=SSLv2_client_method();
 333 #endif
 334 #ifndef OPENSSL_NO_SSL3
 335         else if(strcmp(*argv,"-ssl3") == 0)
 336             s_time_meth=SSLv3_client_method();
 337 #endif
 338         else if( strcmp(*argv,"-time") == 0) {
 339
 340             if (--argc < 1) goto bad;
 341             maxTime= atoi(*(++argv));
 342         }
 343         else {
 344             BIO_printf(bio_err,"unknown option %s\n",*argv);
 345             badop=1;
 346             break;
 347         }
 348
 349         argc--;
 350         argv++;
 351     }
 352
 353     if (perform == 0) perform=3;
 354
 355     if(badop) {
 356 bad:
 357                 s_time_usage();
 358                 return -1;
 359     }
 360
 361         return 0;                       /* Valid args */
 362 }
 363
 364 /***********************************************************************
 365  * TIME - time functions
 366  */
 367 #define START   0
 368 #define STOP    1
 369
 370 static double tm_Time_F(int s)
 371         {
 372         static double ret;
 373 #ifdef TIMES
 374         static struct tms tstart,tend;
 375
 376         if(s == START) {
 377                 times(&tstart);
 378                 return(0);
 379         } else {
 380                 times(&tend);
 381                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 382                 return((ret == 0.0)?1e-6:ret);
 383         }
 384 #elif defined(OPENSSL_SYS_VXWORKS)
 385         {
 386         static unsigned long tick_start, tick_end;
 387
 388         if( s == START )
 389                 {
 390                 tick_start = tickGet();
 391                 return 0;
 392                 }
 393         else
 394                 {
 395                 tick_end = tickGet();
 396                 ret = (double)(tick_end - tick_start) / (double)sysClkRateGet();
 397                 return((ret == 0.0)?1e-6:ret);
 398                 }
 399         }
 400 #else /* !times() */
 401         static struct timeb tstart,tend;
 402         long i;
 403
 404         if(s == START) {
 405                 ftime(&tstart);
 406                 return(0);
 407         } else {
 408                 ftime(&tend);
 409                 i=(long)tend.millitm-(long)tstart.millitm;
 410                 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
 411                 return((ret == 0.0)?1e-6:ret);
 412         }
 413 #endif
 414 }
 415
 416 /***********************************************************************
 417  * MAIN - main processing area for client
 418  *                      real name depends on MONOLITH
 419  */
 420 int MAIN(int, char **);
 421
 422 int MAIN(int argc, char **argv)
 423         {
 424         double totalTime = 0.0;
 425         int nConn = 0;
 426         SSL *scon=NULL;
 427         long finishtime=0;
 428         int ret=1,i;
 429         MS_STATIC char buf[1024*8];
 430         int ver;
 431
 432         apps_startup();
 433         s_time_init();
 434
 435         if (bio_err == NULL)
 436                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 437
 438 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 439         s_time_meth=SSLv23_client_method();
 440 #elif !defined(OPENSSL_NO_SSL3)
 441         s_time_meth=SSLv3_client_method();
 442 #elif !defined(OPENSSL_NO_SSL2)
 443         s_time_meth=SSLv2_client_method();
 444 #endif
 445
 446         /* parse the command line arguments */
 447         if( parseArgs( argc, argv ) < 0 )
 448                 goto end;
 449
 450         OpenSSL_add_ssl_algorithms();
 451         if ((tm_ctx=SSL_CTX_new(s_time_meth)) == NULL) return(1);
 452
 453         SSL_CTX_set_quiet_shutdown(tm_ctx,1);
 454
 455         if (st_bugs) SSL_CTX_set_options(tm_ctx,SSL_OP_ALL);
 456         SSL_CTX_set_cipher_list(tm_ctx,tm_cipher);
 457         if(!set_cert_stuff(tm_ctx,t_cert_file,t_key_file))
 458                 goto end;
 459
 460         SSL_load_error_strings();
 461
 462         if ((!SSL_CTX_load_verify_locations(tm_ctx,CAfile,CApath)) ||
 463                 (!SSL_CTX_set_default_verify_paths(tm_ctx)))
 464                 {
 465                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
 466                 ERR_print_errors(bio_err);
 467                 /* goto end; */
 468                 }
 469
 470         if (tm_cipher == NULL)
 471                 tm_cipher = getenv("SSL_CIPHER");
 472
 473         if (tm_cipher == NULL ) {
 474                 fprintf( stderr, "No CIPHER specified\n" );
 475         }
 476
 477         if (!(perform & 1)) goto next;
 478         printf( "Collecting connection statistics for %d seconds\n", maxTime );
 479
 480         /* Loop and time how long it takes to make connections */
 481
 482         bytes_read=0;
 483         finishtime=(long)time(NULL)+maxTime;
 484         tm_Time_F(START);
 485         for (;;)
 486                 {
 487                 if (finishtime < time(NULL)) break;
 488 #ifdef WIN32_STUFF
 489
 490                 if( flushWinMsgs(0) == -1 )
 491                         goto end;
 492
 493                 if( waitingToDie || exitNow )           /* we're dead */
 494                         goto end;
 495 #endif
 496
 497                 if( (scon = doConnection( NULL )) == NULL )
 498                         goto end;
 499
 500                 if (s_www_path != NULL)
 501                         {
 502                         sprintf(buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
 503                         SSL_write(scon,buf,strlen(buf));
 504                         while ((i=SSL_read(scon,buf,sizeof(buf))) > 0)
 505                                 bytes_read+=i;
 506                         }
 507
 508 #ifdef NO_SHUTDOWN
 509                 SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
 510 #else
 511                 SSL_shutdown(scon);
 512 #endif
 513                 SHUTDOWN2(SSL_get_fd(scon));
 514
 515                 nConn += 1;
 516                 if (SSL_session_reused(scon))
 517                         ver='r';
 518                 else
 519                         {
 520                         ver=SSL_version(scon);
 521                         if (ver == TLS1_VERSION)
 522                                 ver='t';
 523                         else if (ver == SSL3_VERSION)
 524                                 ver='3';
 525                         else if (ver == SSL2_VERSION)
 526                                 ver='2';
 527                         else
 528                                 ver='*';
 529                         }
 530                 fputc(ver,stdout);
 531                 fflush(stdout);
 532
 533                 SSL_free( scon );
 534                 scon=NULL;
 535                 }
 536         totalTime += tm_Time_F(STOP); /* Add the time for this iteration */
 537
 538         i=(int)(time(NULL)-finishtime+maxTime);
 539         printf( "\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n", nConn, totalTime, ((double)nConn/totalTime),bytes_read);
 540         printf( "%d connections in %ld real seconds, %ld bytes read per connection\n",nConn,time(NULL)-finishtime+maxTime,bytes_read/nConn);
 541
 542         /* Now loop and time connections using the same session id over and over */
 543
 544 next:
 545         if (!(perform & 2)) goto end;
 546         printf( "\n\nNow timing with session id reuse.\n" );
 547
 548         /* Get an SSL object so we can reuse the session id */
 549         if( (scon = doConnection( NULL )) == NULL )
 550                 {
 551                 fprintf( stderr, "Unable to get connection\n" );
 552                 goto end;
 553                 }
 554
 555         if (s_www_path != NULL)
 556                 {
 557                 sprintf(buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
 558                 SSL_write(scon,buf,strlen(buf));
 559                 while (SSL_read(scon,buf,sizeof(buf)) > 0)
 560                         ;
 561                 }
 562 #ifdef NO_SHUTDOWN
 563         SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
 564 #else
 565         SSL_shutdown(scon);
 566 #endif
 567         SHUTDOWN2(SSL_get_fd(scon));
 568
 569         nConn = 0;
 570         totalTime = 0.0;
 571
 572         finishtime=time(NULL)+maxTime;
 573
 574         printf( "starting\n" );
 575         bytes_read=0;
 576         tm_Time_F(START);
 577
 578         for (;;)
 579                 {
 580                 if (finishtime < time(NULL)) break;
 581
 582 #ifdef WIN32_STUFF
 583                 if( flushWinMsgs(0) == -1 )
 584                         goto end;
 585
 586                 if( waitingToDie || exitNow )   /* we're dead */
 587                         goto end;
 588 #endif
 589
 590                 if( (doConnection( scon )) == NULL )
 591                         goto end;
 592
 593                 if (s_www_path)
 594                         {
 595                         sprintf(buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
 596                         SSL_write(scon,buf,strlen(buf));
 597                         while ((i=SSL_read(scon,buf,sizeof(buf))) > 0)
 598                                 bytes_read+=i;
 599                         }
 600
 601 #ifdef NO_SHUTDOWN
 602                 SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
 603 #else
 604                 SSL_shutdown(scon);
 605 #endif
 606                 SHUTDOWN2(SSL_get_fd(scon));
 607
 608                 nConn += 1;
 609                 if (SSL_session_reused(scon))
 610                         ver='r';
 611                 else
 612                         {
 613                         ver=SSL_version(scon);
 614                         if (ver == TLS1_VERSION)
 615                                 ver='t';
 616                         else if (ver == SSL3_VERSION)
 617                                 ver='3';
 618                         else if (ver == SSL2_VERSION)
 619                                 ver='2';
 620                         else
 621                                 ver='*';
 622                         }
 623                 fputc(ver,stdout);
 624                 fflush(stdout);
 625                 }
 626         totalTime += tm_Time_F(STOP); /* Add the time for this iteration*/
 627
 628
 629         printf( "\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n", nConn, totalTime, ((double)nConn/totalTime),bytes_read);
 630         printf( "%d connections in %ld real seconds, %ld bytes read per connection\n",nConn,time(NULL)-finishtime+maxTime,bytes_read/nConn);
 631
 632         ret=0;
 633 end:
 634         if (scon != NULL) SSL_free(scon);
 635
 636         if (tm_ctx != NULL)
 637                 {
 638                 SSL_CTX_free(tm_ctx);
 639                 tm_ctx=NULL;
 640                 }
 641         apps_shutdown();
 642         EXIT(ret);
 643         }
 644
 645 /***********************************************************************
 646  * doConnection - make a connection
 647  * Args:
 648  *              scon    = earlier ssl connection for session id, or NULL
 649  * Returns:
 650  *              SSL *   = the connection pointer.
 651  */
 652 static SSL *doConnection(SSL *scon)
 653         {
 654         BIO *conn;
 655         SSL *serverCon;
 656         int width, i;
 657         fd_set readfds;
 658
 659         if ((conn=BIO_new(BIO_s_connect())) == NULL)
 660                 return(NULL);
 661
 662 /*      BIO_set_conn_port(conn,port);*/
 663         BIO_set_conn_hostname(conn,host);
 664
 665         if (scon == NULL)
 666                 serverCon=SSL_new(tm_ctx);
 667         else
 668                 {
 669                 serverCon=scon;
 670                 SSL_set_connect_state(serverCon);
 671                 }
 672
 673         SSL_set_bio(serverCon,conn,conn);
 674
 675 #if 0
 676         if( scon != NULL )
 677                 SSL_set_session(serverCon,SSL_get_session(scon));
 678 #endif
 679
 680         /* ok, lets connect */
 681         for(;;) {
 682                 i=SSL_connect(serverCon);
 683                 if (BIO_sock_should_retry(i))
 684                         {
 685                         BIO_printf(bio_err,"DELAY\n");
 686
 687                         i=SSL_get_fd(serverCon);
 688                         width=i+1;
 689                         FD_ZERO(&readfds);
 690                         FD_SET(i,&readfds);
 691                         /* Note: under VMS with SOCKETSHR the 2nd parameter
 692                          * is currently of type (int *) whereas under other
 693                          * systems it is (void *) if you don't have a cast it
 694                          * will choke the compiler: if you do have a cast then
 695                          * you can either go for (int *) or (void *).
 696                          */
 697                         select(width,(void *)&readfds,NULL,NULL,NULL);
 698                         continue;
 699                         }
 700                 break;
 701                 }
 702         if(i <= 0)
 703                 {
 704                 BIO_printf(bio_err,"ERROR\n");
 705                 if (verify_error != X509_V_OK)
 706                         BIO_printf(bio_err,"verify error:%s\n",
 707                                 X509_verify_cert_error_string(verify_error));
 708                 else
 709                         ERR_print_errors(bio_err);
 710                 if (scon == NULL)
 711                         SSL_free(serverCon);
 712                 return NULL;
 713                 }
 714
 715         return serverCon;
 716         }
 717
 718