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 #ifdef NO_STDIO
  71 #define APPS_WIN16
  72 #endif
  73 #include "x509.h"
  74 #include "ssl.h"
  75 #include "pem.h"
  76 #define USE_SOCKETS
  77 #include "apps.h"
  78 #include "s_apps.h"
  79 #include "err.h"
  80 #ifdef WIN32_STUFF
  81 #include "winmain.h"
  82 #include "wintext.h"
  83 #endif
  84
  85 #ifndef MSDOS
  86 #define TIMES
  87 #endif
  88
  89 #ifndef VMS
  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 #else /* VMS */
  98 #include <types.h>
  99 struct tms {
 100         time_t tms_utime;
 101         time_t tms_stime;
 102         time_t tms_uchild;      /* I dunno...  */
 103         time_t tms_uchildsys;   /* so these names are a guess :-) */
 104         }
 105 #endif
 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 #ifndef CLK_TCK
 124 #ifndef VMS
 125 #define HZ      100.0
 126 #else /* VMS */
 127 #define HZ      100.0
 128 #endif
 129 #else /* CLK_TCK */
 130 #define HZ ((double)CLK_TCK)
 131 #endif
 132 #endif
 133
 134 #undef PROG
 135 #define PROG s_time_main
 136
 137 #define ioctl ioctlsocket
 138
 139 #define SSL_CONNECT_NAME        "localhost:4433"
 140
 141 /*#define TEST_CERT "client.pem" */ /* no default cert. */
 142
 143 #undef BUFSIZZ
 144 #define BUFSIZZ 1024*10
 145
 146 #define min(a,b) (((a) < (b)) ? (a) : (b))
 147 #define max(a,b) (((a) > (b)) ? (a) : (b))
 148
 149 #undef SECONDS
 150 #define SECONDS 30
 151 extern int verify_depth;
 152 extern int verify_error;
 153
 154 #ifndef NOPROTO
 155 static void s_time_usage(void);
 156 static int parseArgs( int argc, char **argv );
 157 static SSL *doConnection( SSL *scon );
 158 static void s_time_init(void);
 159 #else
 160 static void s_time_usage();
 161 static int parseArgs();
 162 static SSL *doConnection();
 163 static void s_time_init();
 164 #endif
 165
 166
 167 /***********************************************************************
 168  * Static data declarations
 169  */
 170
 171 /* static char *port=PORT_STR;*/
 172 static char *host=SSL_CONNECT_NAME;
 173 static char *t_cert_file=NULL;
 174 static char *t_key_file=NULL;
 175 static char *CApath=NULL;
 176 static char *CAfile=NULL;
 177 static char *tm_cipher=NULL;
 178 static int tm_verify = SSL_VERIFY_NONE;
 179 static int maxTime = SECONDS;
 180 static SSL_CTX *tm_ctx=NULL;
 181 static SSL_METHOD *s_time_meth=NULL;
 182 static char *s_www_path=NULL;
 183 static long bytes_read=0;
 184 static int st_bugs=0;
 185 static int perform=0;
 186 #ifdef FIONBIO
 187 static int t_nbio=0;
 188 #endif
 189 #ifdef WIN32
 190 static int exitNow = 0;         /* Set when it's time to exit main */
 191 #endif
 192
 193 static void s_time_init()
 194         {
 195         host=SSL_CONNECT_NAME;
 196         t_cert_file=NULL;
 197         t_key_file=NULL;
 198         CApath=NULL;
 199         CAfile=NULL;
 200         tm_cipher=NULL;
 201         tm_verify = SSL_VERIFY_NONE;
 202         maxTime = SECONDS;
 203         tm_ctx=NULL;
 204         s_time_meth=NULL;
 205         s_www_path=NULL;
 206         bytes_read=0;
 207         st_bugs=0;
 208         perform=0;
 209
 210 #ifdef FIONBIO
 211         t_nbio=0;
 212 #endif
 213 #ifdef WIN32
 214         exitNow = 0;            /* Set when it's time to exit main */
 215 #endif
 216         }
 217
 218 /***********************************************************************
 219  * usage - display usage message
 220  */
 221 static void s_time_usage()
 222 {
 223         static char umsg[] = "\
 224 -time arg     - max number of seconds to collect data, default %d\n\
 225 -verify arg   - turn on peer certificate verification, arg == depth\n\
 226 -cert arg     - certificate file to use, PEM format assumed\n\
 227 -key arg      - RSA file to use, PEM format assumed, in cert file if\n\
 228                 not specified but cert fill is.\n\
 229 -CApath arg   - PEM format directory of CA's\n\
 230 -CAfile arg   - PEM format file of CA's\n\
 231 -cipher       - prefered cipher to use, play with 'openssl ciphers'\n\n";
 232
 233         printf( "usage: s_time <args>\n\n" );
 234
 235         printf("-connect host:port - host:port to connect to (default is %s)\n",SSL_CONNECT_NAME);
 236 #ifdef FIONBIO
 237         printf("-nbio         - Run with non-blocking IO\n");
 238         printf("-ssl2         - Just use SSLv2\n");
 239         printf("-ssl3         - Just use SSLv3\n");
 240         printf("-bugs         - Turn on SSL bug compatability\n");
 241         printf("-new          - Just time new connections\n");
 242         printf("-reuse        - Just time connection reuse\n");
 243         printf("-www page     - Retrieve 'page' from the site\n");
 244 #endif
 245         printf( umsg,SECONDS );
 246 }
 247
 248 /***********************************************************************
 249  * parseArgs - Parse command line arguments and initialize data
 250  *
 251  * Returns 0 if ok, -1 on bad args
 252  */
 253 static int parseArgs(argc,argv)
 254 int argc;
 255 char **argv;
 256 {
 257     int badop = 0;
 258
 259     verify_depth=0;
 260     verify_error=X509_V_OK;
 261 #ifdef FIONBIO
 262     t_nbio=0;
 263 #endif
 264
 265         apps_startup();
 266         s_time_init();
 267
 268         if (bio_err == NULL)
 269                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 270
 271     argc--;
 272     argv++;
 273
 274     while (argc >= 1) {
 275         if (strcmp(*argv,"-connect") == 0)
 276                 {
 277                 if (--argc < 1) goto bad;
 278                 host= *(++argv);
 279                 }
 280 #if 0
 281         else if( strcmp(*argv,"-host") == 0)
 282                 {
 283                 if (--argc < 1) goto bad;
 284                 host= *(++argv);
 285                 }
 286         else if( strcmp(*argv,"-port") == 0)
 287                 {
 288                 if (--argc < 1) goto bad;
 289                 port= *(++argv);
 290                 }
 291 #endif
 292         else if (strcmp(*argv,"-reuse") == 0)
 293                 perform=2;
 294         else if (strcmp(*argv,"-new") == 0)
 295                 perform=1;
 296         else if( strcmp(*argv,"-verify") == 0) {
 297
 298             tm_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
 299             if (--argc < 1) goto bad;
 300             verify_depth=atoi(*(++argv));
 301             BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 302
 303         } else if( strcmp(*argv,"-cert") == 0) {
 304
 305             if (--argc < 1) goto bad;
 306             t_cert_file= *(++argv);
 307
 308         } else if( strcmp(*argv,"-key") == 0) {
 309
 310             if (--argc < 1) goto bad;
 311             t_key_file= *(++argv);
 312
 313         } else if( strcmp(*argv,"-CApath") == 0) {
 314
 315             if (--argc < 1) goto bad;
 316             CApath= *(++argv);
 317
 318         } else if( strcmp(*argv,"-CAfile") == 0) {
 319
 320             if (--argc < 1) goto bad;
 321             CAfile= *(++argv);
 322
 323         } else if( strcmp(*argv,"-cipher") == 0) {
 324
 325             if (--argc < 1) goto bad;
 326             tm_cipher= *(++argv);
 327         }
 328 #ifdef FIONBIO
 329         else if(strcmp(*argv,"-nbio") == 0) {
 330             t_nbio=1;
 331         }
 332 #endif
 333         else if(strcmp(*argv,"-www") == 0)
 334                 {
 335                 if (--argc < 1) goto bad;
 336                 s_www_path= *(++argv);
 337                 }
 338         else if(strcmp(*argv,"-bugs") == 0)
 339             st_bugs=1;
 340 #ifndef NO_SSL2
 341         else if(strcmp(*argv,"-ssl2") == 0)
 342             s_time_meth=SSLv2_client_method();
 343 #endif
 344 #ifndef NO_SSL3
 345         else if(strcmp(*argv,"-ssl3") == 0)
 346             s_time_meth=SSLv3_client_method();
 347 #endif
 348         else if( strcmp(*argv,"-time") == 0) {
 349
 350             if (--argc < 1) goto bad;
 351             maxTime= atoi(*(++argv));
 352         }
 353         else {
 354             BIO_printf(bio_err,"unknown option %s\n",*argv);
 355             badop=1;
 356             break;
 357         }
 358
 359         argc--;
 360         argv++;
 361     }
 362
 363     if (perform == 0) perform=3;
 364
 365     if(badop) {
 366 bad:
 367                 s_time_usage();
 368                 return -1;
 369     }
 370
 371         return 0;                       /* Valid args */
 372 }
 373
 374 /***********************************************************************
 375  * TIME - time functions
 376  */
 377 #define START   0
 378 #define STOP    1
 379
 380 static double tm_Time_F(s)
 381 int s;
 382         {
 383         static double ret;
 384 #ifdef TIMES
 385         static struct tms tstart,tend;
 386
 387         if(s == START) {
 388                 times(&tstart);
 389                 return(0);
 390         } else {
 391                 times(&tend);
 392                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 393                 return((ret == 0.0)?1e-6:ret);
 394         }
 395 #else /* !times() */
 396         static struct timeb tstart,tend;
 397         long i;
 398
 399         if(s == START) {
 400                 ftime(&tstart);
 401                 return(0);
 402         } else {
 403                 ftime(&tend);
 404                 i=(long)tend.millitm-(long)tstart.millitm;
 405                 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
 406                 return((ret == 0.0)?1e-6:ret);
 407         }
 408 #endif
 409 }
 410
 411 /***********************************************************************
 412  * MAIN - main processing area for client
 413  *                      real name depends on MONOLITH
 414  */
 415 int
 416 MAIN(argc,argv)
 417 int argc;
 418 char **argv;
 419         {
 420         double totalTime = 0.0;
 421         int nConn = 0;
 422         SSL *scon=NULL;
 423         long finishtime=0;
 424         int ret=1,i;
 425         MS_STATIC char buf[1024*8];
 426         int ver;
 427
 428 #if !defined(NO_SSL2) && !defined(NO_SSL3)
 429         s_time_meth=SSLv23_client_method();
 430 #elif !defined(NO_SSL3)
 431         s_time_meth=SSLv3_client_method();
 432 #elif !defined(NO_SSL2)
 433         s_time_meth=SSLv2_client_method();
 434 #endif
 435
 436         /* parse the command line arguments */
 437         if( parseArgs( argc, argv ) < 0 )
 438                 goto end;
 439
 440         SSLeay_add_ssl_algorithms();
 441         if ((tm_ctx=SSL_CTX_new(s_time_meth)) == NULL) return(1);
 442
 443         SSL_CTX_set_quiet_shutdown(tm_ctx,1);
 444
 445         if (st_bugs) SSL_CTX_set_options(tm_ctx,SSL_OP_ALL);
 446         SSL_CTX_set_cipher_list(tm_ctx,tm_cipher);
 447         if(!set_cert_stuff(tm_ctx,t_cert_file,t_key_file))
 448                 goto end;
 449
 450         SSL_load_error_strings();
 451
 452         if ((!SSL_CTX_load_verify_locations(tm_ctx,CAfile,CApath)) ||
 453                 (!SSL_CTX_set_default_verify_paths(tm_ctx)))
 454                 {
 455                 /* BIO_printf(bio_err,"error seting default verify locations\n"); */
 456                 ERR_print_errors(bio_err);
 457                 /* goto end; */
 458                 }
 459
 460         if (tm_cipher == NULL)
 461                 tm_cipher = getenv("SSL_CIPHER");
 462
 463         if (tm_cipher == NULL ) {
 464                 fprintf( stderr, "No CIPHER specified\n" );
 465 /*              EXIT(1); */
 466         }
 467
 468         if (!(perform & 1)) goto next;
 469         printf( "Collecting connection statistics for %d seconds\n", maxTime );
 470
 471         /* Loop and time how long it takes to make connections */
 472
 473         bytes_read=0;
 474         finishtime=(long)time(NULL)+maxTime;
 475         tm_Time_F(START);
 476         for (;;)
 477                 {
 478                 if (finishtime < time(NULL)) break;
 479 #ifdef WIN32_STUFF
 480
 481                 if( flushWinMsgs(0) == -1 )
 482                         goto end;
 483
 484                 if( waitingToDie || exitNow )           /* we're dead */
 485                         goto end;
 486 #endif
 487
 488                 if( (scon = doConnection( NULL )) == NULL )
 489                         goto end;
 490
 491                 if (s_www_path != NULL)
 492                         {
 493                         sprintf(buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
 494                         SSL_write(scon,buf,strlen(buf));
 495                         while ((i=SSL_read(scon,buf,sizeof(buf))) > 0)
 496                                 bytes_read+=i;
 497                         }
 498
 499 #ifdef NO_SHUTDOWN
 500                 SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
 501 #else
 502                 SSL_shutdown(scon);
 503 #endif
 504                 SHUTDOWN2(SSL_get_fd(scon));
 505
 506                 nConn += 1;
 507                 if (SSL_session_reused(scon))
 508                         ver='r';
 509                 else
 510                         {
 511                         ver=SSL_version(scon);
 512                         if (ver == TLS1_VERSION)
 513                                 ver='t';
 514                         else if (ver == SSL3_VERSION)
 515                                 ver='3';
 516                         else if (ver == SSL2_VERSION)
 517                                 ver='2';
 518                         else
 519                                 ver='*';
 520                         }
 521                 fputc(ver,stdout);
 522                 fflush(stdout);
 523
 524                 SSL_free( scon );
 525                 scon=NULL;
 526                 }
 527         totalTime += tm_Time_F(STOP); /* Add the time for this iteration */
 528
 529         i=(int)(time(NULL)-finishtime+maxTime);
 530         printf( "\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n", nConn, totalTime, ((double)nConn/totalTime),bytes_read);
 531         printf( "%d connections in %ld real seconds, %ld bytes read per connection\n",nConn,time(NULL)-finishtime+maxTime,bytes_read/nConn);
 532
 533         /* Now loop and time connections using the same session id over and over */
 534
 535 next:
 536         if (!(perform & 2)) goto end;
 537         printf( "\n\nNow timing with session id reuse.\n" );
 538
 539         /* Get an SSL object so we can reuse the session id */
 540         if( (scon = doConnection( NULL )) == NULL )
 541                 {
 542                 fprintf( stderr, "Unable to get connection\n" );
 543                 goto end;
 544                 }
 545
 546         if (s_www_path != NULL)
 547                 {
 548                 sprintf(buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
 549                 SSL_write(scon,buf,strlen(buf));
 550                 while (SSL_read(scon,buf,sizeof(buf)) > 0)
 551                         ;
 552                 }
 553 #ifdef NO_SHUTDOWN
 554         SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
 555 #else
 556         SSL_shutdown(scon);
 557 #endif
 558         SHUTDOWN2(SSL_get_fd(scon));
 559
 560         nConn = 0;
 561         totalTime = 0.0;
 562
 563         finishtime=time(NULL)+maxTime;
 564
 565         printf( "starting\n" );
 566         bytes_read=0;
 567         tm_Time_F(START);
 568
 569         for (;;)
 570                 {
 571                 if (finishtime < time(NULL)) break;
 572
 573 #ifdef WIN32_STUFF
 574                 if( flushWinMsgs(0) == -1 )
 575                         goto end;
 576
 577                 if( waitingToDie || exitNow )   /* we're dead */
 578                         goto end;
 579 #endif
 580
 581                 if( (doConnection( scon )) == NULL )
 582                         goto end;
 583
 584                 if (s_www_path)
 585                         {
 586                         sprintf(buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
 587                         SSL_write(scon,buf,strlen(buf));
 588                         while ((i=SSL_read(scon,buf,sizeof(buf))) > 0)
 589                                 bytes_read+=i;
 590                         }
 591
 592 #ifdef NO_SHUTDOWN
 593                 SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
 594 #else
 595                 SSL_shutdown(scon);
 596 #endif
 597                 SHUTDOWN2(SSL_get_fd(scon));
 598
 599                 nConn += 1;
 600                 if (SSL_session_reused(scon))
 601                         ver='r';
 602                 else
 603                         {
 604                         ver=SSL_version(scon);
 605                         if (ver == TLS1_VERSION)
 606                                 ver='t';
 607                         else if (ver == SSL3_VERSION)
 608                                 ver='3';
 609                         else if (ver == SSL2_VERSION)
 610                                 ver='2';
 611                         else
 612                                 ver='*';
 613                         }
 614                 fputc(ver,stdout);
 615                 fflush(stdout);
 616                 }
 617         totalTime += tm_Time_F(STOP); /* Add the time for this iteration*/
 618
 619
 620         printf( "\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n", nConn, totalTime, ((double)nConn/totalTime),bytes_read);
 621         printf( "%d connections in %ld real seconds, %ld bytes read per connection\n",nConn,time(NULL)-finishtime+maxTime,bytes_read/nConn);
 622
 623         ret=0;
 624 end:
 625         if (scon != NULL) SSL_free(scon);
 626
 627         if (tm_ctx != NULL)
 628                 {
 629                 SSL_CTX_free(tm_ctx);
 630                 tm_ctx=NULL;
 631                 }
 632         EXIT(ret);
 633         }
 634
 635 /***********************************************************************
 636  * doConnection - make a connection
 637  * Args:
 638  *              scon    = earlier ssl connection for session id, or NULL
 639  * Returns:
 640  *              SSL *   = the connection pointer.
 641  */
 642 static SSL *
 643 doConnection(scon)
 644 SSL *scon;
 645         {
 646         BIO *conn;
 647         SSL *serverCon;
 648         int width, i;
 649         fd_set readfds;
 650
 651         if ((conn=BIO_new(BIO_s_connect())) == NULL)
 652                 return(NULL);
 653
 654 /*      BIO_set_conn_port(conn,port);*/
 655         BIO_set_conn_hostname(conn,host);
 656
 657         if (scon == NULL)
 658                 serverCon=(SSL *)SSL_new(tm_ctx);
 659         else
 660                 {
 661                 serverCon=scon;
 662                 SSL_set_connect_state(serverCon);
 663                 }
 664
 665         SSL_set_bio(serverCon,conn,conn);
 666
 667 #if 0
 668         if( scon != NULL )
 669                 SSL_set_session(serverCon,SSL_get_session(scon));
 670 #endif
 671
 672         /* ok, lets connect */
 673         for(;;) {
 674                 i=SSL_connect(serverCon);
 675                 if (BIO_sock_should_retry(i))
 676                         {
 677                         BIO_printf(bio_err,"DELAY\n");
 678
 679                         i=SSL_get_fd(serverCon);
 680                         width=i+1;
 681                         FD_ZERO(&readfds);
 682                         FD_SET(i,&readfds);
 683                         select(width,&readfds,NULL,NULL,NULL);
 684                         continue;
 685                         }
 686                 break;
 687                 }
 688         if(i <= 0)
 689                 {
 690                 BIO_printf(bio_err,"ERROR\n");
 691                 if (verify_error != X509_V_OK)
 692                         BIO_printf(bio_err,"verify error:%s\n",
 693                                 X509_verify_cert_error_string(verify_error));
 694                 else
 695                         ERR_print_errors(bio_err);
 696                 if (scon == NULL)
 697                         SSL_free(serverCon);
 698                 return NULL;
 699                 }
 700
 701         return serverCon;
 702         }
 703
 704