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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_NETWARE) && !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) && !defined(OPENSSL_SYS_NETWARE)
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 
s_time_init(void)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  */
s_time_usage(void)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  */
parseArgs(int argc,char ** argv)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 
tm_Time_F(int s)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_NETWARE)
388     static clock_t tstart,tend;
389 
390     if (s == START)
391     {
392         tstart=clock();
393         return(0);
394     }
395     else
396     {
397         tend=clock();
398         ret=(double)((double)(tend)-(double)(tstart));
399         return((ret < 0.001)?0.001:ret);
400     }
401 #elif defined(OPENSSL_SYS_VXWORKS)
402         {
403 	static unsigned long tick_start, tick_end;
404 
405 	if( s == START )
406 		{
407 		tick_start = tickGet();
408 		return 0;
409 		}
410 	else
411 		{
412 		tick_end = tickGet();
413 		ret = (double)(tick_end - tick_start) / (double)sysClkRateGet();
414 		return((ret == 0.0)?1e-6:ret);
415 		}
416         }
417 #else /* !times() */
418 	static struct timeb tstart,tend;
419 	long i;
420 
421 	if(s == START) {
422 		ftime(&tstart);
423 		return(0);
424 	} else {
425 		ftime(&tend);
426 		i=(long)tend.millitm-(long)tstart.millitm;
427 		ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
428 		return((ret == 0.0)?1e-6:ret);
429 	}
430 #endif
431 }
432 
433 /***********************************************************************
434  * MAIN - main processing area for client
435  *			real name depends on MONOLITH
436  */
437 int MAIN(int, char **);
438 
MAIN(int argc,char ** argv)439 int MAIN(int argc, char **argv)
440 	{
441 	double totalTime = 0.0;
442 	int nConn = 0;
443 	SSL *scon=NULL;
444 	long finishtime=0;
445 	int ret=1,i;
446 	MS_STATIC char buf[1024*8];
447 	int ver;
448 
449 	apps_startup();
450 	s_time_init();
451 
452 	if (bio_err == NULL)
453 		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
454 
455 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
456 	s_time_meth=SSLv23_client_method();
457 #elif !defined(OPENSSL_NO_SSL3)
458 	s_time_meth=SSLv3_client_method();
459 #elif !defined(OPENSSL_NO_SSL2)
460 	s_time_meth=SSLv2_client_method();
461 #endif
462 
463 	/* parse the command line arguments */
464 	if( parseArgs( argc, argv ) < 0 )
465 		goto end;
466 
467 	OpenSSL_add_ssl_algorithms();
468 	if ((tm_ctx=SSL_CTX_new(s_time_meth)) == NULL) return(1);
469 
470 	SSL_CTX_set_quiet_shutdown(tm_ctx,1);
471 
472 	if (st_bugs) SSL_CTX_set_options(tm_ctx,SSL_OP_ALL);
473 	SSL_CTX_set_cipher_list(tm_ctx,tm_cipher);
474 	if(!set_cert_stuff(tm_ctx,t_cert_file,t_key_file))
475 		goto end;
476 
477 	SSL_load_error_strings();
478 
479 	if ((!SSL_CTX_load_verify_locations(tm_ctx,CAfile,CApath)) ||
480 		(!SSL_CTX_set_default_verify_paths(tm_ctx)))
481 		{
482 		/* BIO_printf(bio_err,"error setting default verify locations\n"); */
483 		ERR_print_errors(bio_err);
484 		/* goto end; */
485 		}
486 
487 	if (tm_cipher == NULL)
488 		tm_cipher = getenv("SSL_CIPHER");
489 
490 	if (tm_cipher == NULL ) {
491 		fprintf( stderr, "No CIPHER specified\n" );
492 	}
493 
494 	if (!(perform & 1)) goto next;
495 	printf( "Collecting connection statistics for %d seconds\n", maxTime );
496 
497 	/* Loop and time how long it takes to make connections */
498 
499 	bytes_read=0;
500 	finishtime=(long)time(NULL)+maxTime;
501 	tm_Time_F(START);
502 	for (;;)
503 		{
504 		if (finishtime < (long)time(NULL)) break;
505 #ifdef WIN32_STUFF
506 
507 		if( flushWinMsgs(0) == -1 )
508 			goto end;
509 
510 		if( waitingToDie || exitNow )		/* we're dead */
511 			goto end;
512 #endif
513 
514 		if( (scon = doConnection( NULL )) == NULL )
515 			goto end;
516 
517 		if (s_www_path != NULL)
518 			{
519 			BIO_snprintf(buf,sizeof buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
520 			SSL_write(scon,buf,strlen(buf));
521 			while ((i=SSL_read(scon,buf,sizeof(buf))) > 0)
522 				bytes_read+=i;
523 			}
524 
525 #ifdef NO_SHUTDOWN
526 		SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
527 #else
528 		SSL_shutdown(scon);
529 #endif
530 		SHUTDOWN2(SSL_get_fd(scon));
531 
532 		nConn += 1;
533 		if (SSL_session_reused(scon))
534 			ver='r';
535 		else
536 			{
537 			ver=SSL_version(scon);
538 			if (ver == TLS1_VERSION)
539 				ver='t';
540 			else if (ver == SSL3_VERSION)
541 				ver='3';
542 			else if (ver == SSL2_VERSION)
543 				ver='2';
544 			else
545 				ver='*';
546 			}
547 		fputc(ver,stdout);
548 		fflush(stdout);
549 
550 		SSL_free( scon );
551 		scon=NULL;
552 		}
553 	totalTime += tm_Time_F(STOP); /* Add the time for this iteration */
554 
555 	i=(int)((long)time(NULL)-finishtime+maxTime);
556 	printf( "\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n", nConn, totalTime, ((double)nConn/totalTime),bytes_read);
557 	printf( "%d connections in %ld real seconds, %ld bytes read per connection\n",nConn,(long)time(NULL)-finishtime+maxTime,bytes_read/nConn);
558 
559 	/* Now loop and time connections using the same session id over and over */
560 
561 next:
562 	if (!(perform & 2)) goto end;
563 	printf( "\n\nNow timing with session id reuse.\n" );
564 
565 	/* Get an SSL object so we can reuse the session id */
566 	if( (scon = doConnection( NULL )) == NULL )
567 		{
568 		fprintf( stderr, "Unable to get connection\n" );
569 		goto end;
570 		}
571 
572 	if (s_www_path != NULL)
573 		{
574 		BIO_snprintf(buf,sizeof buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
575 		SSL_write(scon,buf,strlen(buf));
576 		while (SSL_read(scon,buf,sizeof(buf)) > 0)
577 			;
578 		}
579 #ifdef NO_SHUTDOWN
580 	SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
581 #else
582 	SSL_shutdown(scon);
583 #endif
584 	SHUTDOWN2(SSL_get_fd(scon));
585 
586 	nConn = 0;
587 	totalTime = 0.0;
588 
589 	finishtime=(long)time(NULL)+maxTime;
590 
591 	printf( "starting\n" );
592 	bytes_read=0;
593 	tm_Time_F(START);
594 
595 	for (;;)
596 		{
597 		if (finishtime < (long)time(NULL)) break;
598 
599 #ifdef WIN32_STUFF
600 		if( flushWinMsgs(0) == -1 )
601 			goto end;
602 
603 		if( waitingToDie || exitNow )	/* we're dead */
604 			goto end;
605 #endif
606 
607 	 	if( (doConnection( scon )) == NULL )
608 			goto end;
609 
610 		if (s_www_path)
611 			{
612 			BIO_snprintf(buf,sizeof buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
613 			SSL_write(scon,buf,strlen(buf));
614 			while ((i=SSL_read(scon,buf,sizeof(buf))) > 0)
615 				bytes_read+=i;
616 			}
617 
618 #ifdef NO_SHUTDOWN
619 		SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
620 #else
621 		SSL_shutdown(scon);
622 #endif
623 		SHUTDOWN2(SSL_get_fd(scon));
624 
625 		nConn += 1;
626 		if (SSL_session_reused(scon))
627 			ver='r';
628 		else
629 			{
630 			ver=SSL_version(scon);
631 			if (ver == TLS1_VERSION)
632 				ver='t';
633 			else if (ver == SSL3_VERSION)
634 				ver='3';
635 			else if (ver == SSL2_VERSION)
636 				ver='2';
637 			else
638 				ver='*';
639 			}
640 		fputc(ver,stdout);
641 		fflush(stdout);
642 		}
643 	totalTime += tm_Time_F(STOP); /* Add the time for this iteration*/
644 
645 
646 	printf( "\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n", nConn, totalTime, ((double)nConn/totalTime),bytes_read);
647 	printf( "%d connections in %ld real seconds, %ld bytes read per connection\n",nConn,(long)time(NULL)-finishtime+maxTime,bytes_read/nConn);
648 
649 	ret=0;
650 end:
651 	if (scon != NULL) SSL_free(scon);
652 
653 	if (tm_ctx != NULL)
654 		{
655 		SSL_CTX_free(tm_ctx);
656 		tm_ctx=NULL;
657 		}
658 	apps_shutdown();
659 	OPENSSL_EXIT(ret);
660 	}
661 
662 /***********************************************************************
663  * doConnection - make a connection
664  * Args:
665  *		scon	= earlier ssl connection for session id, or NULL
666  * Returns:
667  *		SSL *	= the connection pointer.
668  */
doConnection(SSL * scon)669 static SSL *doConnection(SSL *scon)
670 	{
671 	BIO *conn;
672 	SSL *serverCon;
673 	int width, i;
674 	fd_set readfds;
675 
676 	if ((conn=BIO_new(BIO_s_connect())) == NULL)
677 		return(NULL);
678 
679 /*	BIO_set_conn_port(conn,port);*/
680 	BIO_set_conn_hostname(conn,host);
681 
682 	if (scon == NULL)
683 		serverCon=SSL_new(tm_ctx);
684 	else
685 		{
686 		serverCon=scon;
687 		SSL_set_connect_state(serverCon);
688 		}
689 
690 	SSL_set_bio(serverCon,conn,conn);
691 
692 #if 0
693 	if( scon != NULL )
694 		SSL_set_session(serverCon,SSL_get_session(scon));
695 #endif
696 
697 	/* ok, lets connect */
698 	for(;;) {
699 		i=SSL_connect(serverCon);
700 		if (BIO_sock_should_retry(i))
701 			{
702 			BIO_printf(bio_err,"DELAY\n");
703 
704 			i=SSL_get_fd(serverCon);
705 			width=i+1;
706 			FD_ZERO(&readfds);
707 			FD_SET(i,&readfds);
708 			/* Note: under VMS with SOCKETSHR the 2nd parameter
709 			 * is currently of type (int *) whereas under other
710 			 * systems it is (void *) if you don't have a cast it
711 			 * will choke the compiler: if you do have a cast then
712 			 * you can either go for (int *) or (void *).
713 			 */
714 			select(width,(void *)&readfds,NULL,NULL,NULL);
715 			continue;
716 			}
717 		break;
718 		}
719 	if(i <= 0)
720 		{
721 		BIO_printf(bio_err,"ERROR\n");
722 		if (verify_error != X509_V_OK)
723 			BIO_printf(bio_err,"verify error:%s\n",
724 				X509_verify_cert_error_string(verify_error));
725 		else
726 			ERR_print_errors(bio_err);
727 		if (scon == NULL)
728 			SSL_free(serverCon);
729 		return NULL;
730 		}
731 
732 	return serverCon;
733 	}
734 
735 
736