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