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))
  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 #if defined(sun) || defined(__ultrix)
 113 #define _POSIX_SOURCE
 114 #include <limits.h>
 115 #include <sys/param.h>
 116 #endif
 117
 118 /* The following if from times(3) man page.  It may need to be changed
 119 */
 120 #ifndef HZ
 121 # ifdef _SC_CLK_TCK
 122 #  define HZ ((double)sysconf(_SC_CLK_TCK))
 123 # else
 124 #  ifndef CLK_TCK
 125 #   ifndef _BSD_CLK_TCK_ /* FreeBSD hack */
 126 #    define HZ  100.0
 127 #   else /* _BSD_CLK_TCK_ */
 128 #    define HZ ((double)_BSD_CLK_TCK_)
 129 #   endif
 130 #  else /* CLK_TCK */
 131 #   define HZ ((double)CLK_TCK)
 132 #  endif
 133 # endif
 134 #endif
 135
 136 #undef PROG
 137 #define PROG s_time_main
 138
 139 #undef ioctl
 140 #define ioctl ioctlsocket
 141
 142 #define SSL_CONNECT_NAME        "localhost:4433"
 143
 144 /*#define TEST_CERT "client.pem" */ /* no default cert. */
 145
 146 #undef BUFSIZZ
 147 #define BUFSIZZ 1024*10
 148
 149 #define MYBUFSIZ 1024*8
 150
 151 #undef min
 152 #undef max
 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                 if(strlen(s_www_path) > MYBUFSIZ-100)
 326                         {
 327                         BIO_printf(bio_err,"-www option too long\n");
 328                         badop=1;
 329                         }
 330                 }
 331         else if(strcmp(*argv,"-bugs") == 0)
 332             st_bugs=1;
 333 #ifndef OPENSSL_NO_SSL2
 334         else if(strcmp(*argv,"-ssl2") == 0)
 335             s_time_meth=SSLv2_client_method();
 336 #endif
 337 #ifndef OPENSSL_NO_SSL3
 338         else if(strcmp(*argv,"-ssl3") == 0)
 339             s_time_meth=SSLv3_client_method();
 340 #endif
 341         else if( strcmp(*argv,"-time") == 0) {
 342
 343             if (--argc < 1) goto bad;
 344             maxTime= atoi(*(++argv));
 345         }
 346         else {
 347             BIO_printf(bio_err,"unknown option %s\n",*argv);
 348             badop=1;
 349             break;
 350         }
 351
 352         argc--;
 353         argv++;
 354     }
 355
 356     if (perform == 0) perform=3;
 357
 358     if(badop) {
 359 bad:
 360                 s_time_usage();
 361                 return -1;
 362     }
 363
 364         return 0;                       /* Valid args */
 365 }
 366
 367 /***********************************************************************
 368  * TIME - time functions
 369  */
 370 #define START   0
 371 #define STOP    1
 372
 373 static double tm_Time_F(int s)
 374         {
 375         static double ret;
 376 #ifdef TIMES
 377         static struct tms tstart,tend;
 378
 379         if(s == START) {
 380                 times(&tstart);
 381                 return(0);
 382         } else {
 383                 times(&tend);
 384                 ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
 385                 return((ret == 0.0)?1e-6:ret);
 386         }
 387 #elif defined(OPENSSL_SYS_VXWORKS)
 388         {
 389         static unsigned long tick_start, tick_end;
 390
 391         if( s == START )
 392                 {
 393                 tick_start = tickGet();
 394                 return 0;
 395                 }
 396         else
 397                 {
 398                 tick_end = tickGet();
 399                 ret = (double)(tick_end - tick_start) / (double)sysClkRateGet();
 400                 return((ret == 0.0)?1e-6:ret);
 401                 }
 402         }
 403 #else /* !times() */
 404         static struct timeb tstart,tend;
 405         long i;
 406
 407         if(s == START) {
 408                 ftime(&tstart);
 409                 return(0);
 410         } else {
 411                 ftime(&tend);
 412                 i=(long)tend.millitm-(long)tstart.millitm;
 413                 ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
 414                 return((ret == 0.0)?1e-6:ret);
 415         }
 416 #endif
 417 }
 418
 419 /***********************************************************************
 420  * MAIN - main processing area for client
 421  *                      real name depends on MONOLITH
 422  */
 423 int MAIN(int, char **);
 424
 425 int MAIN(int argc, char **argv)
 426         {
 427         double totalTime = 0.0;
 428         int nConn = 0;
 429         SSL *scon=NULL;
 430         long finishtime=0;
 431         int ret=1,i;
 432         MS_STATIC char buf[1024*8];
 433         int ver;
 434
 435         apps_startup();
 436         s_time_init();
 437
 438         if (bio_err == NULL)
 439                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 440
 441 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 442         s_time_meth=SSLv23_client_method();
 443 #elif !defined(OPENSSL_NO_SSL3)
 444         s_time_meth=SSLv3_client_method();
 445 #elif !defined(OPENSSL_NO_SSL2)
 446         s_time_meth=SSLv2_client_method();
 447 #endif
 448
 449         /* parse the command line arguments */
 450         if( parseArgs( argc, argv ) < 0 )
 451                 goto end;
 452
 453         OpenSSL_add_ssl_algorithms();
 454         if ((tm_ctx=SSL_CTX_new(s_time_meth)) == NULL) return(1);
 455
 456         SSL_CTX_set_quiet_shutdown(tm_ctx,1);
 457
 458         if (st_bugs) SSL_CTX_set_options(tm_ctx,SSL_OP_ALL);
 459         SSL_CTX_set_cipher_list(tm_ctx,tm_cipher);
 460         if(!set_cert_stuff(tm_ctx,t_cert_file,t_key_file))
 461                 goto end;
 462
 463         SSL_load_error_strings();
 464
 465         if ((!SSL_CTX_load_verify_locations(tm_ctx,CAfile,CApath)) ||
 466                 (!SSL_CTX_set_default_verify_paths(tm_ctx)))
 467                 {
 468                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
 469                 ERR_print_errors(bio_err);
 470                 /* goto end; */
 471                 }
 472
 473         if (tm_cipher == NULL)
 474                 tm_cipher = getenv("SSL_CIPHER");
 475
 476         if (tm_cipher == NULL ) {
 477                 fprintf( stderr, "No CIPHER specified\n" );
 478         }
 479
 480         if (!(perform & 1)) goto next;
 481         printf( "Collecting connection statistics for %d seconds\n", maxTime );
 482
 483         /* Loop and time how long it takes to make connections */
 484
 485         bytes_read=0;
 486         finishtime=(long)time(NULL)+maxTime;
 487         tm_Time_F(START);
 488         for (;;)
 489                 {
 490                 if (finishtime < (long)time(NULL)) break;
 491 #ifdef WIN32_STUFF
 492
 493                 if( flushWinMsgs(0) == -1 )
 494                         goto end;
 495
 496                 if( waitingToDie || exitNow )           /* we're dead */
 497                         goto end;
 498 #endif
 499
 500                 if( (scon = doConnection( NULL )) == NULL )
 501                         goto end;
 502
 503                 if (s_www_path != NULL)
 504                         {
 505                         sprintf(buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
 506                         SSL_write(scon,buf,strlen(buf));
 507                         while ((i=SSL_read(scon,buf,sizeof(buf))) > 0)
 508                                 bytes_read+=i;
 509                         }
 510
 511 #ifdef NO_SHUTDOWN
 512                 SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
 513 #else
 514                 SSL_shutdown(scon);
 515 #endif
 516                 SHUTDOWN2(SSL_get_fd(scon));
 517
 518                 nConn += 1;
 519                 if (SSL_session_reused(scon))
 520                         ver='r';
 521                 else
 522                         {
 523                         ver=SSL_version(scon);
 524                         if (ver == TLS1_VERSION)
 525                                 ver='t';
 526                         else if (ver == SSL3_VERSION)
 527                                 ver='3';
 528                         else if (ver == SSL2_VERSION)
 529                                 ver='2';
 530                         else
 531                                 ver='*';
 532                         }
 533                 fputc(ver,stdout);
 534                 fflush(stdout);
 535
 536                 SSL_free( scon );
 537                 scon=NULL;
 538                 }
 539         totalTime += tm_Time_F(STOP); /* Add the time for this iteration */
 540
 541         i=(int)((long)time(NULL)-finishtime+maxTime);
 542         printf( "\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n", nConn, totalTime, ((double)nConn/totalTime),bytes_read);
 543         printf( "%d connections in %ld real seconds, %ld bytes read per connection\n",nConn,(long)time(NULL)-finishtime+maxTime,bytes_read/nConn);
 544
 545         /* Now loop and time connections using the same session id over and over */
 546
 547 next:
 548         if (!(perform & 2)) goto end;
 549         printf( "\n\nNow timing with session id reuse.\n" );
 550
 551         /* Get an SSL object so we can reuse the session id */
 552         if( (scon = doConnection( NULL )) == NULL )
 553                 {
 554                 fprintf( stderr, "Unable to get connection\n" );
 555                 goto end;
 556                 }
 557
 558         if (s_www_path != NULL)
 559                 {
 560                 sprintf(buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
 561                 SSL_write(scon,buf,strlen(buf));
 562                 while (SSL_read(scon,buf,sizeof(buf)) > 0)
 563                         ;
 564                 }
 565 #ifdef NO_SHUTDOWN
 566         SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
 567 #else
 568         SSL_shutdown(scon);
 569 #endif
 570         SHUTDOWN2(SSL_get_fd(scon));
 571
 572         nConn = 0;
 573         totalTime = 0.0;
 574
 575         finishtime=(long)time(NULL)+maxTime;
 576
 577         printf( "starting\n" );
 578         bytes_read=0;
 579         tm_Time_F(START);
 580
 581         for (;;)
 582                 {
 583                 if (finishtime < (long)time(NULL)) break;
 584
 585 #ifdef WIN32_STUFF
 586                 if( flushWinMsgs(0) == -1 )
 587                         goto end;
 588
 589                 if( waitingToDie || exitNow )   /* we're dead */
 590                         goto end;
 591 #endif
 592
 593                 if( (doConnection( scon )) == NULL )
 594                         goto end;
 595
 596                 if (s_www_path)
 597                         {
 598                         sprintf(buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
 599                         SSL_write(scon,buf,strlen(buf));
 600                         while ((i=SSL_read(scon,buf,sizeof(buf))) > 0)
 601                                 bytes_read+=i;
 602                         }
 603
 604 #ifdef NO_SHUTDOWN
 605                 SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
 606 #else
 607                 SSL_shutdown(scon);
 608 #endif
 609                 SHUTDOWN2(SSL_get_fd(scon));
 610
 611                 nConn += 1;
 612                 if (SSL_session_reused(scon))
 613                         ver='r';
 614                 else
 615                         {
 616                         ver=SSL_version(scon);
 617                         if (ver == TLS1_VERSION)
 618                                 ver='t';
 619                         else if (ver == SSL3_VERSION)
 620                                 ver='3';
 621                         else if (ver == SSL2_VERSION)
 622                                 ver='2';
 623                         else
 624                                 ver='*';
 625                         }
 626                 fputc(ver,stdout);
 627                 fflush(stdout);
 628                 }
 629         totalTime += tm_Time_F(STOP); /* Add the time for this iteration*/
 630
 631
 632         printf( "\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n", nConn, totalTime, ((double)nConn/totalTime),bytes_read);
 633         printf( "%d connections in %ld real seconds, %ld bytes read per connection\n",nConn,(long)time(NULL)-finishtime+maxTime,bytes_read/nConn);
 634
 635         ret=0;
 636 end:
 637         if (scon != NULL) SSL_free(scon);
 638
 639         if (tm_ctx != NULL)
 640                 {
 641                 SSL_CTX_free(tm_ctx);
 642                 tm_ctx=NULL;
 643                 }
 644         apps_shutdown();
 645         OPENSSL_EXIT(ret);
 646         }
 647
 648 /***********************************************************************
 649  * doConnection - make a connection
 650  * Args:
 651  *              scon    = earlier ssl connection for session id, or NULL
 652  * Returns:
 653  *              SSL *   = the connection pointer.
 654  */
 655 static SSL *doConnection(SSL *scon)
 656         {
 657         BIO *conn;
 658         SSL *serverCon;
 659         int width, i;
 660         fd_set readfds;
 661
 662         if ((conn=BIO_new(BIO_s_connect())) == NULL)
 663                 return(NULL);
 664
 665 /*      BIO_set_conn_port(conn,port);*/
 666         BIO_set_conn_hostname(conn,host);
 667
 668         if (scon == NULL)
 669                 serverCon=SSL_new(tm_ctx);
 670         else
 671                 {
 672                 serverCon=scon;
 673                 SSL_set_connect_state(serverCon);
 674                 }
 675
 676         SSL_set_bio(serverCon,conn,conn);
 677
 678 #if 0
 679         if( scon != NULL )
 680                 SSL_set_session(serverCon,SSL_get_session(scon));
 681 #endif
 682
 683         /* ok, lets connect */
 684         for(;;) {
 685                 i=SSL_connect(serverCon);
 686                 if (BIO_sock_should_retry(i))
 687                         {
 688                         BIO_printf(bio_err,"DELAY\n");
 689
 690                         i=SSL_get_fd(serverCon);
 691                         width=i+1;
 692                         FD_ZERO(&readfds);
 693                         FD_SET(i,&readfds);
 694                         /* Note: under VMS with SOCKETSHR the 2nd parameter
 695                          * is currently of type (int *) whereas under other
 696                          * systems it is (void *) if you don't have a cast it
 697                          * will choke the compiler: if you do have a cast then
 698                          * you can either go for (int *) or (void *).
 699                          */
 700                         select(width,(void *)&readfds,NULL,NULL,NULL);
 701                         continue;
 702                         }
 703                 break;
 704                 }
 705         if(i <= 0)
 706                 {
 707                 BIO_printf(bio_err,"ERROR\n");
 708                 if (verify_error != X509_V_OK)
 709                         BIO_printf(bio_err,"verify error:%s\n",
 710                                 X509_verify_cert_error_string(verify_error));
 711                 else
 712                         ERR_print_errors(bio_err);
 713                 if (scon == NULL)
 714                         SSL_free(serverCon);
 715                 return NULL;
 716                 }
 717
 718         return serverCon;
 719         }
 720
 721