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