s_client.c 18.1 KB
Newer Older
1
/* apps/s_client.c */
2
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define USE_SOCKETS
63
#ifdef NO_STDIO
64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106
#define APPS_WIN16
#endif
#include "apps.h"
#include "x509.h"
#include "ssl.h"
#include "err.h"
#include "pem.h"
#include "s_apps.h"

#undef PROG
#define PROG	s_client_main

/*#define SSL_HOST_NAME	"www.netscape.com" */
/*#define SSL_HOST_NAME	"193.118.187.102" */
#define SSL_HOST_NAME	"localhost"

/*#define TEST_CERT "client.pem" */ /* no default cert. */

#undef BUFSIZZ
#define BUFSIZZ 1024*8

extern int verify_depth;
extern int verify_error;

#ifdef FIONBIO
static int c_nbio=0;
#endif
static int c_Pause=0;
static int c_debug=0;

#ifndef NOPROTO
static void sc_usage(void);
static void print_stuff(BIO *berr,SSL *con,int full);
#else
static void sc_usage();
static void print_stuff();
#endif

static BIO *bio_c_out=NULL;
static int c_quiet=0;

static void sc_usage()
	{
107
	BIO_printf(bio_err,"usage: s_client args\n");
108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129
	BIO_printf(bio_err,"\n");
	BIO_printf(bio_err," -host host     - use -connect instead\n");
	BIO_printf(bio_err," -port port     - use -connect instead\n");
	BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);

	BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
	BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
	BIO_printf(bio_err," -key arg      - Private key file to use, PEM format assumed, in cert file if\n");
	BIO_printf(bio_err,"                 not specified but cert file is.\n");
	BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
	BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
	BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
	BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
	BIO_printf(bio_err," -debug        - extra output\n");
	BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
	BIO_printf(bio_err," -state        - print the 'ssl' states\n");
#ifdef FIONBIO
	BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
#endif
	BIO_printf(bio_err," -quiet        - no s_client output\n");
	BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
	BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
130 131
	BIO_printf(bio_err," -tls1         - just use TLSv1\n");
	BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
132
	BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
133
	BIO_printf(bio_err," -cipher       - prefered cipher to use, use the 'openssl ciphers'\n");
134
	BIO_printf(bio_err,"                 command to see what is available\n");
135 136 137 138 139 140 141

	}

int MAIN(argc, argv)
int argc;
char **argv;
	{
142
	int off=0;
143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170
	SSL *con=NULL,*con2=NULL;
	int s,k,width,state=0;
	char *cbuf=NULL,*sbuf=NULL;
	int cbuf_len,cbuf_off;
	int sbuf_len,sbuf_off;
	fd_set readfds,writefds;
	short port=PORT;
	int full_log=1;
	char *host=SSL_HOST_NAME;
	char *cert_file=NULL,*key_file=NULL;
	char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
	int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
	int write_tty,read_tty,write_ssl,read_ssl,tty_on;
	SSL_CTX *ctx=NULL;
	int ret=1,in_init=1,i,nbio_test=0;
	SSL_METHOD *meth=NULL;
	BIO *sbio;
	/*static struct timeval timeout={10,0};*/

#if !defined(NO_SSL2) && !defined(NO_SSL3)
	meth=SSLv23_client_method();
#elif !defined(NO_SSL3)
	meth=SSLv3_client_method();
#elif !defined(NO_SSL2)
	meth=SSLv2_client_method();
#endif

	apps_startup();
171
	c_Pause=0;
172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240
	c_quiet=0;
	c_debug=0;

	if (bio_err == NULL)
		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);

	if (	((cbuf=Malloc(BUFSIZZ)) == NULL) ||
		((sbuf=Malloc(BUFSIZZ)) == NULL))
		{
		BIO_printf(bio_err,"out of memory\n");
		goto end;
		}

	verify_depth=0;
	verify_error=X509_V_OK;
#ifdef FIONBIO
	c_nbio=0;
#endif

	argc--;
	argv++;
	while (argc >= 1)
		{
		if	(strcmp(*argv,"-host") == 0)
			{
			if (--argc < 1) goto bad;
			host= *(++argv);
			}
		else if	(strcmp(*argv,"-port") == 0)
			{
			if (--argc < 1) goto bad;
			port=atoi(*(++argv));
			if (port == 0) goto bad;
			}
		else if (strcmp(*argv,"-connect") == 0)
			{
			if (--argc < 1) goto bad;
			if (!extract_host_port(*(++argv),&host,NULL,&port))
				goto bad;
			}
		else if	(strcmp(*argv,"-verify") == 0)
			{
			verify=SSL_VERIFY_PEER;
			if (--argc < 1) goto bad;
			verify_depth=atoi(*(++argv));
			BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
			}
		else if	(strcmp(*argv,"-cert") == 0)
			{
			if (--argc < 1) goto bad;
			cert_file= *(++argv);
			}
		else if	(strcmp(*argv,"-quiet") == 0)
			c_quiet=1;
		else if	(strcmp(*argv,"-pause") == 0)
			c_Pause=1;
		else if	(strcmp(*argv,"-debug") == 0)
			c_debug=1;
		else if	(strcmp(*argv,"-nbio_test") == 0)
			nbio_test=1;
		else if	(strcmp(*argv,"-state") == 0)
			state=1;
#ifndef NO_SSL2
		else if	(strcmp(*argv,"-ssl2") == 0)
			meth=SSLv2_client_method();
#endif
#ifndef NO_SSL3
		else if	(strcmp(*argv,"-ssl3") == 0)
			meth=SSLv3_client_method();
241 242 243 244
#endif
#ifndef NO_TLS1
		else if	(strcmp(*argv,"-tls1") == 0)
			meth=TLSv1_client_method();
245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266
#endif
		else if (strcmp(*argv,"-bugs") == 0)
			bugs=1;
		else if	(strcmp(*argv,"-key") == 0)
			{
			if (--argc < 1) goto bad;
			key_file= *(++argv);
			}
		else if	(strcmp(*argv,"-reconnect") == 0)
			{
			reconnect=5;
			}
		else if	(strcmp(*argv,"-CApath") == 0)
			{
			if (--argc < 1) goto bad;
			CApath= *(++argv);
			}
		else if	(strcmp(*argv,"-CAfile") == 0)
			{
			if (--argc < 1) goto bad;
			CAfile= *(++argv);
			}
267 268 269 270 271 272
		else if (strcmp(*argv,"-no_tls1") == 0)
			off|=SSL_OP_NO_TLSv1;
		else if (strcmp(*argv,"-no_ssl3") == 0)
			off|=SSL_OP_NO_SSLv3;
		else if (strcmp(*argv,"-no_ssl2") == 0)
			off|=SSL_OP_NO_SSLv2;
273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318
		else if	(strcmp(*argv,"-cipher") == 0)
			{
			if (--argc < 1) goto bad;
			cipher= *(++argv);
			}
#ifdef FIONBIO
		else if (strcmp(*argv,"-nbio") == 0)
			{ c_nbio=1; }
#endif
		else
			{
			BIO_printf(bio_err,"unknown option %s\n",*argv);
			badop=1;
			break;
			}
		argc--;
		argv++;
		}
	if (badop)
		{
bad:
		sc_usage();
		goto end;
		}

	if (bio_c_out == NULL)
		{
		if (c_quiet)
			{
			bio_c_out=BIO_new(BIO_s_null());
			}
		else
			{
			if (bio_c_out == NULL)
				bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
			}
		}

	SSLeay_add_ssl_algorithms();
	ctx=SSL_CTX_new(meth);
	if (ctx == NULL)
		{
		ERR_print_errors(bio_err);
		goto end;
		}

319 320 321 322
	if (bugs)
		SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
	else
		SSL_CTX_set_options(ctx,off);
323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338

	if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
	if (cipher != NULL)
		SSL_CTX_set_cipher_list(ctx,cipher);
#if 0
	else
		SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
#endif

	SSL_CTX_set_verify(ctx,verify,verify_callback);
	if (!set_cert_stuff(ctx,cert_file,key_file))
		goto end;

	if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
		(!SSL_CTX_set_default_verify_paths(ctx)))
		{
339
		/* BIO_printf(bio_err,"error seting default verify locations\n"); */
340
		ERR_print_errors(bio_err);
341
		/* goto end; */
342 343 344 345 346
		}

	SSL_load_error_strings();

	con=(SSL *)SSL_new(ctx);
347
/*	SSL_set_cipher_list(con,"RC4-MD5"); */
348 349 350 351 352

re_start:

	if (init_client(&s,host,port) == 0)
		{
353
		BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
354 355 356 357 358 359 360 361 362 363
		SHUTDOWN(s);
		goto end;
		}
	BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);

#ifdef FIONBIO
	if (c_nbio)
		{
		unsigned long l=1;
		BIO_printf(bio_c_out,"turning on non blocking io\n");
364 365 366 367 368
		if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
			{
			ERR_print_errors(bio_err);
			goto end;
			}
369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410
		}
#endif                                              
	if (c_Pause & 0x01) con->debug=1;
	sbio=BIO_new_socket(s,BIO_NOCLOSE);

	if (nbio_test)
		{
		BIO *test;

		test=BIO_new(BIO_f_nbio_test());
		sbio=BIO_push(test,sbio);
		}

	if (c_debug)
		{
		con->debug=1;
		BIO_set_callback(sbio,bio_dump_cb);
		BIO_set_callback_arg(sbio,bio_c_out);
		}

	SSL_set_bio(con,sbio,sbio);
	SSL_set_connect_state(con);

	/* ok, lets connect */
	width=SSL_get_fd(con)+1;

	read_tty=1;
	write_tty=0;
	tty_on=0;
	read_ssl=1;
	write_ssl=1;
	
	cbuf_len=0;
	cbuf_off=0;
	sbuf_len=0;
	sbuf_off=0;

	for (;;)
		{
		FD_ZERO(&readfds);
		FD_ZERO(&writefds);

411
		if (SSL_in_init(con) && !SSL_total_renegotiations(con))
412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454
			{
			in_init=1;
			tty_on=0;
			}
		else
			{
			tty_on=1;
			if (in_init)
				{
				in_init=0;
				print_stuff(bio_c_out,con,full_log);
				if (full_log > 0) full_log--;

				if (reconnect)
					{
					reconnect--;
					BIO_printf(bio_c_out,"drop connection and then reconnect\n");
					SSL_shutdown(con);
					SSL_set_connect_state(con);
					SHUTDOWN(SSL_get_fd(con));
					goto re_start;
					}
				}
			}

#ifndef WINDOWS
		if (tty_on)
			{
			if (read_tty)  FD_SET(fileno(stdin),&readfds);
			if (write_tty) FD_SET(fileno(stdout),&writefds);
			}
#endif
		if (read_ssl)
			FD_SET(SSL_get_fd(con),&readfds);
		if (write_ssl)
			FD_SET(SSL_get_fd(con),&writefds);

/*		printf("mode tty(%d %d%d) ssl(%d%d)\n",
			tty_on,read_tty,write_tty,read_ssl,write_ssl);*/

		i=select(width,&readfds,&writefds,NULL,NULL);
		if ( i < 0)
			{
455 456
			BIO_printf(bio_err,"bad select %d\n",
				get_last_socket_error());
457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513
			goto shut;
			/* goto end; */
			}

		if (FD_ISSET(SSL_get_fd(con),&writefds))
			{
			k=SSL_write(con,&(cbuf[cbuf_off]),
				(unsigned int)cbuf_len);
			switch (SSL_get_error(con,k))
				{
			case SSL_ERROR_NONE:
				cbuf_off+=k;
				cbuf_len-=k;
				if (k <= 0) goto end;
				/* we have done a  write(con,NULL,0); */
				if (cbuf_len <= 0)
					{
					read_tty=1;
					write_ssl=0;
					}
				else /* if (cbuf_len > 0) */
					{
					read_tty=0;
					write_ssl=1;
					}
				break;
			case SSL_ERROR_WANT_WRITE:
				BIO_printf(bio_c_out,"write W BLOCK\n");
				write_ssl=1;
				read_tty=0;
				break;
			case SSL_ERROR_WANT_READ:
				BIO_printf(bio_c_out,"write R BLOCK\n");
				write_tty=0;
				read_ssl=1;
				write_ssl=0;
				break;
			case SSL_ERROR_WANT_X509_LOOKUP:
				BIO_printf(bio_c_out,"write X BLOCK\n");
				break;
			case SSL_ERROR_ZERO_RETURN:
				if (cbuf_len != 0)
					{
					BIO_printf(bio_c_out,"shutdown\n");
					goto shut;
					}
				else
					{
					read_tty=1;
					write_ssl=0;
					break;
					}
				
			case SSL_ERROR_SYSCALL:
				if ((k != 0) || (cbuf_len != 0))
					{
					BIO_printf(bio_err,"write:errno=%d\n",
514
						get_last_socket_error());
515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550
					goto shut;
					}
				else
					{
					read_tty=1;
					write_ssl=0;
					}
				break;
			case SSL_ERROR_SSL:
				ERR_print_errors(bio_err);
				goto shut;
				}
			}
#ifndef WINDOWS
		else if (FD_ISSET(fileno(stdout),&writefds))
			{
			i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);

			if (i <= 0)
				{
				BIO_printf(bio_c_out,"DONE\n");
				goto shut;
				/* goto end; */
				}

			sbuf_len-=i;;
			sbuf_off+=i;
			if (sbuf_len <= 0)
				{
				read_ssl=1;
				write_tty=0;
				}
			}
#endif
		else if (FD_ISSET(SSL_get_fd(con),&readfds))
			{
551 552 553
#ifdef RENEG
{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
#endif
554
#if 1
555
			k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
556 557 558 559 560 561 562
#else
/* Demo for pending and peek :-) */
			k=SSL_read(con,sbuf,16);
{ char zbuf[10240]; 
printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
}
#endif
563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590

			switch (SSL_get_error(con,k))
				{
			case SSL_ERROR_NONE:
				if (k <= 0)
					goto end;
				sbuf_off=0;
				sbuf_len=k;

				read_ssl=0;
				write_tty=1;
				break;
			case SSL_ERROR_WANT_WRITE:
				BIO_printf(bio_c_out,"read W BLOCK\n");
				write_ssl=1;
				read_tty=0;
				break;
			case SSL_ERROR_WANT_READ:
				BIO_printf(bio_c_out,"read R BLOCK\n");
				write_tty=0;
				read_ssl=1;
				if ((read_tty == 0) && (write_ssl == 0))
					write_ssl=1;
				break;
			case SSL_ERROR_WANT_X509_LOOKUP:
				BIO_printf(bio_c_out,"read X BLOCK\n");
				break;
			case SSL_ERROR_SYSCALL:
591
				BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
592 593 594 595 596 597 598
				goto shut;
			case SSL_ERROR_ZERO_RETURN:
				BIO_printf(bio_c_out,"closed\n");
				goto shut;
			case SSL_ERROR_SSL:
				ERR_print_errors(bio_err);
				goto shut;
599
				/* break; */
600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654
				}
			}

#ifndef WINDOWS
		else if (FD_ISSET(fileno(stdin),&readfds))
			{
			i=read(fileno(stdin),cbuf,BUFSIZZ);

			if ((!c_quiet) && ((i <= 0) || (cbuf[0] == 'Q')))
				{
				BIO_printf(bio_err,"DONE\n");
				goto shut;
				}

			if ((!c_quiet) && (cbuf[0] == 'R'))
				{
				SSL_renegotiate(con);
				read_tty=0;
				write_ssl=1;
				}
			else
				{
				cbuf_len=i;
				cbuf_off=0;
				}

			read_tty=0;
			write_ssl=1;
			}
#endif
		}
shut:
	SSL_shutdown(con);
	SHUTDOWN(SSL_get_fd(con));
	ret=0;
end:
	if (con != NULL) SSL_free(con);
	if (con2 != NULL) SSL_free(con2);
	if (ctx != NULL) SSL_CTX_free(ctx);
	if (cbuf != NULL) { memset(cbuf,0,BUFSIZZ); Free(cbuf); }
	if (sbuf != NULL) { memset(sbuf,0,BUFSIZZ); Free(sbuf); }
	if (bio_c_out != NULL)
		{
		BIO_free(bio_c_out);
		bio_c_out=NULL;
		}
	EXIT(ret);
	}


static void print_stuff(bio,s,full)
BIO *bio;
SSL *s;
int full;
	{
655
	X509 *peer=NULL;
656 657 658 659 660 661 662 663 664 665 666 667 668
	char *p;
	static char *space="                ";
	char buf[BUFSIZ];
	STACK *sk;
	SSL_CIPHER *c;
	X509_NAME *xn;
	int j,i;

	if (full)
		{
		sk=SSL_get_peer_cert_chain(s);
		if (sk != NULL)
			{
669
			BIO_printf(bio,"---\nCertificate chain\n");
670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721
			for (i=0; i<sk_num(sk); i++)
				{
				X509_NAME_oneline(X509_get_subject_name((X509 *)
					sk_value(sk,i)),buf,BUFSIZ);
				BIO_printf(bio,"%2d s:%s\n",i,buf);
				X509_NAME_oneline(X509_get_issuer_name((X509 *)
					sk_value(sk,i)),buf,BUFSIZ);
				BIO_printf(bio,"   i:%s\n",buf);
				}
			}

		BIO_printf(bio,"---\n");
		peer=SSL_get_peer_certificate(s);
		if (peer != NULL)
			{
			BIO_printf(bio,"Server certificate\n");
			PEM_write_bio_X509(bio,peer);
			X509_NAME_oneline(X509_get_subject_name(peer),
				buf,BUFSIZ);
			BIO_printf(bio,"subject=%s\n",buf);
			X509_NAME_oneline(X509_get_issuer_name(peer),
				buf,BUFSIZ);
			BIO_printf(bio,"issuer=%s\n",buf);
			}
		else
			BIO_printf(bio,"no peer certificate available\n");

		sk=SSL_get_client_CA_list(s);
		if ((sk != NULL) && (sk_num(sk) > 0))
			{
			BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
			for (i=0; i<sk_num(sk); i++)
				{
				xn=(X509_NAME *)sk_value(sk,i);
				X509_NAME_oneline(xn,buf,sizeof(buf));
				BIO_write(bio,buf,strlen(buf));
				BIO_write(bio,"\n",1);
				}
			}
		else
			{
			BIO_printf(bio,"---\nNo client certificate CA names sent\n");
			}
		p=SSL_get_shared_ciphers(s,buf,BUFSIZ);
		if (p != NULL)
			{
			BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
			j=i=0;
			while (*p)
				{
				if (*p == ':')
					{
722
					BIO_write(bio,space,15-j%25);
723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745
					i++;
					j=0;
					BIO_write(bio,((i%3)?" ":"\n"),1);
					}
				else
					{
					BIO_write(bio,p,1);
					j++;
					}
				p++;
				}
			BIO_write(bio,"\n",1);
			}

		BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
			BIO_number_read(SSL_get_rbio(s)),
			BIO_number_written(SSL_get_wbio(s)));
		}
	BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
	c=SSL_get_current_cipher(s);
	BIO_printf(bio,"%s, Cipher is %s\n",
		SSL_CIPHER_get_version(c),
		SSL_CIPHER_get_name(c));
746 747 748
	if (peer != NULL)
		BIO_printf(bio,"Server public key is %d bit\n",
			EVP_PKEY_bits(X509_get_pubkey(peer)));
749 750
	SSL_SESSION_print(bio,SSL_get_session(s));
	BIO_printf(bio,"---\n");
751 752
	if (peer != NULL)
		X509_free(peer);
753 754
	}