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Make gcc 2.95.2 happy again, even under ``-Wall -Wshadow -Wpointer-arith -Wcast-align
[thirdparty/openssl.git] / apps / s_client.c
CommitLineData
d02b48c6 1/* apps/s_client.c */
58964a49 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
RE		 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
1b1a6e78 59#include <assert.h>
8c197cc5
UM		 60#include <stdio.h>
61#include <stdlib.h>
62#include <string.h>
63#ifdef NO_STDIO
64#define APPS_WIN16
65#endif
66
7d7d2cbc
UM		 67/* With IPv6, it looks like Digital has mixed up the proper order of
68 recursive header file inclusion, resulting in the compiler complaining
69 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
70 is needed to have fileno() declared correctly... So let's define u_int */
1e44804e 71#if defined(VMS) && defined(__DECC) && !defined(__U_INT)
7d7d2cbc
UM		 72#define __U_INT
73typedef unsigned int u_int;
74#endif
75
d02b48c6 76#define USE_SOCKETS
d02b48c6 77#include "apps.h"
ec577822
BM		 78#include <openssl/x509.h>
79#include <openssl/ssl.h>
80#include <openssl/err.h>
81#include <openssl/pem.h>
d02b48c6
RE		 82#include "s_apps.h"
83
06f4536a
DSH		 84#ifdef WINDOWS
85#include <conio.h>
86#endif
87
88
75e0770d
UM		 89#if (defined(VMS) && __VMS_VER < 70000000)
90/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
7d7d2cbc
UM		 91#undef FIONBIO
92#endif
93
d02b48c6
RE		 94#undef PROG
95#define PROG s_client_main
96
97/*#define SSL_HOST_NAME "www.netscape.com" */
98/*#define SSL_HOST_NAME "193.118.187.102" */
99#define SSL_HOST_NAME "localhost"
100
101/*#define TEST_CERT "client.pem" */ /* no default cert. */
102
103#undef BUFSIZZ
104#define BUFSIZZ 1024*8
105
106extern int verify_depth;
107extern int verify_error;
108
109#ifdef FIONBIO
110static int c_nbio=0;
111#endif
112static int c_Pause=0;
113static int c_debug=0;
6d02d8e4 114static int c_showcerts=0;
d02b48c6 115
d02b48c6
RE		 116static void sc_usage(void);
117static void print_stuff(BIO *berr,SSL *con,int full);
d02b48c6
RE		 118static BIO *bio_c_out=NULL;
119static int c_quiet=0;
120
6b691a5c 121static void sc_usage(void)
d02b48c6 122 {
b6cff93d 123 BIO_printf(bio_err,"usage: s_client args\n");
d02b48c6
RE		 124 BIO_printf(bio_err,"\n");
125 BIO_printf(bio_err," -host host - use -connect instead\n");
126 BIO_printf(bio_err," -port port - use -connect instead\n");
127 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
128
129 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
130 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
131 BIO_printf(bio_err," -key arg - Private key file to use, PEM format assumed, in cert file if\n");
132 BIO_printf(bio_err," not specified but cert file is.\n");
133 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
134 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
135 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
136 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
6d02d8e4 137 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
d02b48c6
RE		 138 BIO_printf(bio_err," -debug - extra output\n");
139 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
140 BIO_printf(bio_err," -state - print the 'ssl' states\n");
141#ifdef FIONBIO
142 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
1bdb8633 143#endif
1bdb8633 144 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
d02b48c6
RE		 145 BIO_printf(bio_err," -quiet - no s_client output\n");
146 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
147 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
58964a49
RE		 148 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
149 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
d02b48c6 150 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
657e60fa 151 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
dfeab068 152 BIO_printf(bio_err," command to see what is available\n");
d02b48c6
RE		 153
154 }
155
667ac4ec
RE		 156int MAIN(int, char **);
157
6b691a5c 158int MAIN(int argc, char **argv)
d02b48c6 159 {
58964a49 160 int off=0;
d02b48c6
RE		 161 SSL *con=NULL,*con2=NULL;
162 int s,k,width,state=0;
163 char *cbuf=NULL,*sbuf=NULL;
164 int cbuf_len,cbuf_off;
165 int sbuf_len,sbuf_off;
166 fd_set readfds,writefds;
167 short port=PORT;
168 int full_log=1;
169 char *host=SSL_HOST_NAME;
170 char *cert_file=NULL,*key_file=NULL;
171 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
172 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
1bdb8633 173 int crlf=0;
c7ac31e2 174 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
d02b48c6
RE		 175 SSL_CTX *ctx=NULL;
176 int ret=1,in_init=1,i,nbio_test=0;
c3ed3b6e 177 int prexit = 0;
d02b48c6
RE		 178 SSL_METHOD *meth=NULL;
179 BIO *sbio;
06f4536a
DSH		 180#ifdef WINDOWS
181 struct timeval tv;
182#endif
d02b48c6
RE		 183
184#if !defined(NO_SSL2) && !defined(NO_SSL3)
185 meth=SSLv23_client_method();
186#elif !defined(NO_SSL3)
187 meth=SSLv3_client_method();
188#elif !defined(NO_SSL2)
189 meth=SSLv2_client_method();
190#endif
191
192 apps_startup();
58964a49 193 c_Pause=0;
d02b48c6
RE		 194 c_quiet=0;
195 c_debug=0;
6d02d8e4 196 c_showcerts=0;
d02b48c6
RE		 197
198 if (bio_err == NULL)
199 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
200
201 if ( ((cbuf=Malloc(BUFSIZZ)) == NULL) ||
202 ((sbuf=Malloc(BUFSIZZ)) == NULL))
203 {
204 BIO_printf(bio_err,"out of memory\n");
205 goto end;
206 }
207
208 verify_depth=0;
209 verify_error=X509_V_OK;
210#ifdef FIONBIO
211 c_nbio=0;
212#endif
213
214 argc--;
215 argv++;
216 while (argc >= 1)
217 {
218 if (strcmp(*argv,"-host") == 0)
219 {
220 if (--argc < 1) goto bad;
221 host= *(++argv);
222 }
223 else if (strcmp(*argv,"-port") == 0)
224 {
225 if (--argc < 1) goto bad;
226 port=atoi(*(++argv));
227 if (port == 0) goto bad;
228 }
229 else if (strcmp(*argv,"-connect") == 0)
230 {
231 if (--argc < 1) goto bad;
232 if (!extract_host_port(*(++argv),&host,NULL,&port))
233 goto bad;
234 }
235 else if (strcmp(*argv,"-verify") == 0)
236 {
237 verify=SSL_VERIFY_PEER;
238 if (--argc < 1) goto bad;
239 verify_depth=atoi(*(++argv));
240 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
241 }
242 else if (strcmp(*argv,"-cert") == 0)
243 {
244 if (--argc < 1) goto bad;
245 cert_file= *(++argv);
246 }
c3ed3b6e
DSH		 247 else if (strcmp(*argv,"-prexit") == 0)
248 prexit=1;
1bdb8633
BM		 249 else if (strcmp(*argv,"-crlf") == 0)
250 crlf=1;
d02b48c6
RE		 251 else if (strcmp(*argv,"-quiet") == 0)
252 c_quiet=1;
253 else if (strcmp(*argv,"-pause") == 0)
254 c_Pause=1;
255 else if (strcmp(*argv,"-debug") == 0)
256 c_debug=1;
6d02d8e4
BM		 257 else if (strcmp(*argv,"-showcerts") == 0)
258 c_showcerts=1;
d02b48c6
RE		 259 else if (strcmp(*argv,"-nbio_test") == 0)
260 nbio_test=1;
261 else if (strcmp(*argv,"-state") == 0)
262 state=1;
263#ifndef NO_SSL2
264 else if (strcmp(*argv,"-ssl2") == 0)
265 meth=SSLv2_client_method();
266#endif
267#ifndef NO_SSL3
268 else if (strcmp(*argv,"-ssl3") == 0)
269 meth=SSLv3_client_method();
58964a49
RE		 270#endif
271#ifndef NO_TLS1
272 else if (strcmp(*argv,"-tls1") == 0)
273 meth=TLSv1_client_method();
d02b48c6
RE		 274#endif
275 else if (strcmp(*argv,"-bugs") == 0)
276 bugs=1;
277 else if (strcmp(*argv,"-key") == 0)
278 {
279 if (--argc < 1) goto bad;
280 key_file= *(++argv);
281 }
282 else if (strcmp(*argv,"-reconnect") == 0)
283 {
284 reconnect=5;
285 }
286 else if (strcmp(*argv,"-CApath") == 0)
287 {
288 if (--argc < 1) goto bad;
289 CApath= *(++argv);
290 }
291 else if (strcmp(*argv,"-CAfile") == 0)
292 {
293 if (--argc < 1) goto bad;
294 CAfile= *(++argv);
295 }
58964a49
RE		 296 else if (strcmp(*argv,"-no_tls1") == 0)
297 off|=SSL_OP_NO_TLSv1;
298 else if (strcmp(*argv,"-no_ssl3") == 0)
299 off|=SSL_OP_NO_SSLv3;
300 else if (strcmp(*argv,"-no_ssl2") == 0)
301 off|=SSL_OP_NO_SSLv2;
d02b48c6
RE		 302 else if (strcmp(*argv,"-cipher") == 0)
303 {
304 if (--argc < 1) goto bad;
305 cipher= *(++argv);
306 }
307#ifdef FIONBIO
308 else if (strcmp(*argv,"-nbio") == 0)
309 { c_nbio=1; }
310#endif
311 else
312 {
313 BIO_printf(bio_err,"unknown option %s\n",*argv);
314 badop=1;
315 break;
316 }
317 argc--;
318 argv++;
319 }
320 if (badop)
321 {
322bad:
323 sc_usage();
324 goto end;
325 }
326
a31011e8
BM		 327 app_RAND_load_file(NULL, bio_err, 0);
328
d02b48c6
RE		 329 if (bio_c_out == NULL)
330 {
331 if (c_quiet)
332 {
333 bio_c_out=BIO_new(BIO_s_null());
334 }
335 else
336 {
337 if (bio_c_out == NULL)
338 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
339 }
340 }
341
af57d843 342 OpenSSL_add_ssl_algorithms();
fabce041 343 SSL_load_error_strings();
d02b48c6
RE		 344 ctx=SSL_CTX_new(meth);
345 if (ctx == NULL)
346 {
347 ERR_print_errors(bio_err);
348 goto end;
349 }
350
58964a49
RE		 351 if (bugs)
352 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
353 else
354 SSL_CTX_set_options(ctx,off);
d02b48c6
RE		 355
356 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
357 if (cipher != NULL)
fabce041 358 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
657e60fa 359 BIO_printf(bio_err,"error setting cipher list\n");
fabce041
DSH		 360 ERR_print_errors(bio_err);
361 goto end;
362 }
d02b48c6
RE		 363#if 0
364 else
365 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
366#endif
367
368 SSL_CTX_set_verify(ctx,verify,verify_callback);
369 if (!set_cert_stuff(ctx,cert_file,key_file))
370 goto end;
371
372 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
373 (!SSL_CTX_set_default_verify_paths(ctx)))
374 {
657e60fa 375 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
d02b48c6 376 ERR_print_errors(bio_err);
58964a49 377 /* goto end; */
d02b48c6
RE		 378 }
379
d02b48c6 380
82fc1d9c 381 con=SSL_new(ctx);
58964a49 382/* SSL_set_cipher_list(con,"RC4-MD5"); */
d02b48c6
RE		 383
384re_start:
385
386 if (init_client(&s,host,port) == 0)
387 {
58964a49 388 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
d02b48c6
RE		 389 SHUTDOWN(s);
390 goto end;
391 }
392 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
393
394#ifdef FIONBIO
395 if (c_nbio)
396 {
397 unsigned long l=1;
398 BIO_printf(bio_c_out,"turning on non blocking io\n");
58964a49
RE		 399 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
400 {
401 ERR_print_errors(bio_err);
402 goto end;
403 }
d02b48c6
RE		 404 }
405#endif
406 if (c_Pause & 0x01) con->debug=1;
407 sbio=BIO_new_socket(s,BIO_NOCLOSE);
408
409 if (nbio_test)
410 {
411 BIO *test;
412
413 test=BIO_new(BIO_f_nbio_test());
414 sbio=BIO_push(test,sbio);
415 }
416
417 if (c_debug)
418 {
419 con->debug=1;
420 BIO_set_callback(sbio,bio_dump_cb);
421 BIO_set_callback_arg(sbio,bio_c_out);
422 }
423
424 SSL_set_bio(con,sbio,sbio);
425 SSL_set_connect_state(con);
426
427 /* ok, lets connect */
428 width=SSL_get_fd(con)+1;
429
430 read_tty=1;
431 write_tty=0;
432 tty_on=0;
433 read_ssl=1;
434 write_ssl=1;
435
436 cbuf_len=0;
437 cbuf_off=0;
438 sbuf_len=0;
439 sbuf_off=0;
440
441 for (;;)
442 {
443 FD_ZERO(&readfds);
444 FD_ZERO(&writefds);
445
58964a49 446 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
d02b48c6
RE		 447 {
448 in_init=1;
449 tty_on=0;
450 }
451 else
452 {
453 tty_on=1;
454 if (in_init)
455 {
456 in_init=0;
457 print_stuff(bio_c_out,con,full_log);
458 if (full_log > 0) full_log--;
459
460 if (reconnect)
461 {
462 reconnect--;
463 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
464 SSL_shutdown(con);
465 SSL_set_connect_state(con);
466 SHUTDOWN(SSL_get_fd(con));
467 goto re_start;
468 }
469 }
470 }
471
c7ac31e2
BM		 472 ssl_pending = read_ssl && SSL_pending(con);
473
474 if (!ssl_pending)
d02b48c6 475 {
f0f1b4e4 476#ifndef WINDOWS
c7ac31e2
BM		 477 if (tty_on)
478 {
479 if (read_tty) FD_SET(fileno(stdin),&readfds);
480 if (write_tty) FD_SET(fileno(stdout),&writefds);
481 }
c7ac31e2
BM		 482 if (read_ssl)
483 FD_SET(SSL_get_fd(con),&readfds);
484 if (write_ssl)
485 FD_SET(SSL_get_fd(con),&writefds);
06f4536a
DSH		 486#else
487 if(!tty_on || !write_tty) {
488 if (read_ssl)
489 FD_SET(SSL_get_fd(con),&readfds);
490 if (write_ssl)
491 FD_SET(SSL_get_fd(con),&writefds);
492 }
493#endif
c7ac31e2
BM		 494/* printf("mode tty(%d %d%d) ssl(%d%d)\n",
495 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
d02b48c6 496
75e0770d 497 /* Note: under VMS with SOCKETSHR the second parameter
7d7d2cbc
UM		 498 * is currently of type (int *) whereas under other
499 * systems it is (void *) if you don't have a cast it
500 * will choke the compiler: if you do have a cast then
501 * you can either go for (int *) or (void *).
502 */
06f4536a
DSH		 503#ifdef WINDOWS
504 /* Under Windows we make the assumption that we can
505 * always write to the tty: therefore if we need to
506 * write to the tty we just fall through. Otherwise
507 * we timeout the select every second and see if there
508 * are any keypresses. Note: this is a hack, in a proper
509 * Windows application we wouldn't do this.
510 */
511 if(!write_tty) {
512 if(read_tty) {
513 tv.tv_sec = 1;
514 tv.tv_usec = 0;
515 i=select(width,(void *)&readfds,(void *)&writefds,
516 NULL,&tv);
517 if(!i && (!_kbhit() || !read_tty) ) continue;
518 } else i=select(width,(void *)&readfds,(void *)&writefds,
519 NULL,NULL);
520 }
521#else
7d7d2cbc
UM		 522 i=select(width,(void *)&readfds,(void *)&writefds,
523 NULL,NULL);
06f4536a 524#endif
c7ac31e2
BM		 525 if ( i < 0)
526 {
527 BIO_printf(bio_err,"bad select %d\n",
58964a49 528 get_last_socket_error());
c7ac31e2
BM		 529 goto shut;
530 /* goto end; */
531 }
d02b48c6
RE		 532 }
533
c7ac31e2 534 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
d02b48c6
RE		 535 {
536 k=SSL_write(con,&(cbuf[cbuf_off]),
537 (unsigned int)cbuf_len);
538 switch (SSL_get_error(con,k))
539 {
540 case SSL_ERROR_NONE:
541 cbuf_off+=k;
542 cbuf_len-=k;
543 if (k <= 0) goto end;
544 /* we have done a write(con,NULL,0); */
545 if (cbuf_len <= 0)
546 {
547 read_tty=1;
548 write_ssl=0;
549 }
550 else /* if (cbuf_len > 0) */
551 {
552 read_tty=0;
553 write_ssl=1;
554 }
555 break;
556 case SSL_ERROR_WANT_WRITE:
557 BIO_printf(bio_c_out,"write W BLOCK\n");
558 write_ssl=1;
559 read_tty=0;
560 break;
561 case SSL_ERROR_WANT_READ:
562 BIO_printf(bio_c_out,"write R BLOCK\n");
563 write_tty=0;
564 read_ssl=1;
565 write_ssl=0;
566 break;
567 case SSL_ERROR_WANT_X509_LOOKUP:
568 BIO_printf(bio_c_out,"write X BLOCK\n");
569 break;
570 case SSL_ERROR_ZERO_RETURN:
571 if (cbuf_len != 0)
572 {
573 BIO_printf(bio_c_out,"shutdown\n");
574 goto shut;
575 }
576 else
577 {
578 read_tty=1;
579 write_ssl=0;
580 break;
581 }
582
583 case SSL_ERROR_SYSCALL:
584 if ((k != 0) || (cbuf_len != 0))
585 {
586 BIO_printf(bio_err,"write:errno=%d\n",
58964a49 587 get_last_socket_error());
d02b48c6
RE		 588 goto shut;
589 }
590 else
591 {
592 read_tty=1;
593 write_ssl=0;
594 }
595 break;
596 case SSL_ERROR_SSL:
597 ERR_print_errors(bio_err);
598 goto shut;
599 }
600 }
06f4536a
DSH		 601#ifdef WINDOWS
602 /* Assume Windows can always write */
603 else if (!ssl_pending && write_tty)
604#else
c7ac31e2 605 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
06f4536a 606#endif
d02b48c6 607 {
a53955d8
UM		 608#ifdef CHARSET_EBCDIC
609 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
610#endif
d02b48c6
RE		 611 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
612
613 if (i <= 0)
614 {
615 BIO_printf(bio_c_out,"DONE\n");
616 goto shut;
617 /* goto end; */
618 }
619
620 sbuf_len-=i;;
621 sbuf_off+=i;
622 if (sbuf_len <= 0)
623 {
624 read_ssl=1;
625 write_tty=0;
626 }
627 }
c7ac31e2 628 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
d02b48c6 629 {
58964a49
RE		 630#ifdef RENEG
631{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
632#endif
dfeab068 633#if 1
58964a49 634 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
dfeab068
RE		 635#else
636/* Demo for pending and peek :-) */
637 k=SSL_read(con,sbuf,16);
638{ char zbuf[10240];
639printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
640}
641#endif
d02b48c6
RE		 642
643 switch (SSL_get_error(con,k))
644 {
645 case SSL_ERROR_NONE:
646 if (k <= 0)
647 goto end;
648 sbuf_off=0;
649 sbuf_len=k;
650
651 read_ssl=0;
652 write_tty=1;
653 break;
654 case SSL_ERROR_WANT_WRITE:
655 BIO_printf(bio_c_out,"read W BLOCK\n");
656 write_ssl=1;
657 read_tty=0;
658 break;
659 case SSL_ERROR_WANT_READ:
660 BIO_printf(bio_c_out,"read R BLOCK\n");
661 write_tty=0;
662 read_ssl=1;
663 if ((read_tty == 0) && (write_ssl == 0))
664 write_ssl=1;
665 break;
666 case SSL_ERROR_WANT_X509_LOOKUP:
667 BIO_printf(bio_c_out,"read X BLOCK\n");
668 break;
669 case SSL_ERROR_SYSCALL:
58964a49 670 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
d02b48c6
RE		 671 goto shut;
672 case SSL_ERROR_ZERO_RETURN:
673 BIO_printf(bio_c_out,"closed\n");
674 goto shut;
675 case SSL_ERROR_SSL:
676 ERR_print_errors(bio_err);
677 goto shut;
dfeab068 678 /* break; */
d02b48c6
RE		 679 }
680 }
681
06f4536a
DSH		 682#ifdef WINDOWS
683 else if (_kbhit())
684#else
d02b48c6 685 else if (FD_ISSET(fileno(stdin),&readfds))
06f4536a 686#endif
d02b48c6 687 {
1bdb8633
BM		 688 if (crlf)
689 {
690 int j, lf_num;
691
692 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
693 lf_num = 0;
694 /* both loops are skipped when i <= 0 */
695 for (j = 0; j < i; j++)
696 if (cbuf[j] == '\n')
697 lf_num++;
698 for (j = i-1; j >= 0; j--)
699 {
700 cbuf[j+lf_num] = cbuf[j];
701 if (cbuf[j] == '\n')
702 {
703 lf_num--;
704 i++;
705 cbuf[j+lf_num] = '\r';
706 }
707 }
708 assert(lf_num == 0);
709 }
710 else
1bdb8633 711 i=read(fileno(stdin),cbuf,BUFSIZZ);
d02b48c6
RE		 712
713 if ((!c_quiet) && ((i <= 0) || (cbuf[0] == 'Q')))
714 {
715 BIO_printf(bio_err,"DONE\n");
716 goto shut;
717 }
718
719 if ((!c_quiet) && (cbuf[0] == 'R'))
720 {
3bb307c1 721 BIO_printf(bio_err,"RENEGOTIATING\n");
d02b48c6 722 SSL_renegotiate(con);
3bb307c1 723 cbuf_len=0;
d02b48c6
RE		 724 }
725 else
726 {
727 cbuf_len=i;
728 cbuf_off=0;
a53955d8
UM		 729#ifdef CHARSET_EBCDIC
730 ebcdic2ascii(cbuf, cbuf, i);
731#endif
d02b48c6
RE		 732 }
733
d02b48c6 734 write_ssl=1;
3bb307c1 735 read_tty=0;
d02b48c6 736 }
d02b48c6
RE		 737 }
738shut:
739 SSL_shutdown(con);
740 SHUTDOWN(SSL_get_fd(con));
741 ret=0;
742end:
c3ed3b6e 743 if(prexit) print_stuff(bio_c_out,con,1);
d02b48c6
RE		 744 if (con != NULL) SSL_free(con);
745 if (con2 != NULL) SSL_free(con2);
746 if (ctx != NULL) SSL_CTX_free(ctx);
747 if (cbuf != NULL) { memset(cbuf,0,BUFSIZZ); Free(cbuf); }
748 if (sbuf != NULL) { memset(sbuf,0,BUFSIZZ); Free(sbuf); }
749 if (bio_c_out != NULL)
750 {
751 BIO_free(bio_c_out);
752 bio_c_out=NULL;
753 }
754 EXIT(ret);
755 }
756
757
6b691a5c 758static void print_stuff(BIO *bio, SSL *s, int full)
d02b48c6 759 {
58964a49 760 X509 *peer=NULL;
d02b48c6
RE		 761 char *p;
762 static char *space=" ";
763 char buf[BUFSIZ];
f73e07cf
BL		 764 STACK_OF(X509) *sk;
765 STACK_OF(X509_NAME) *sk2;
d02b48c6
RE		 766 SSL_CIPHER *c;
767 X509_NAME *xn;
768 int j,i;
769
770 if (full)
771 {
bc2e519a
BM		 772 int got_a_chain = 0;
773
d02b48c6
RE		 774 sk=SSL_get_peer_cert_chain(s);
775 if (sk != NULL)
776 {
bc2e519a
BM		 777 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
778
dfeab068 779 BIO_printf(bio,"---\nCertificate chain\n");
f73e07cf 780 for (i=0; i<sk_X509_num(sk); i++)
d02b48c6 781 {
f73e07cf
BL		 782 X509_NAME_oneline(X509_get_subject_name(
783 sk_X509_value(sk,i)),buf,BUFSIZ);
d02b48c6 784 BIO_printf(bio,"%2d s:%s\n",i,buf);
f73e07cf
BL		 785 X509_NAME_oneline(X509_get_issuer_name(
786 sk_X509_value(sk,i)),buf,BUFSIZ);
d02b48c6 787 BIO_printf(bio," i:%s\n",buf);
6d02d8e4 788 if (c_showcerts)
f73e07cf 789 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
d02b48c6
RE		 790 }
791 }
792
793 BIO_printf(bio,"---\n");
794 peer=SSL_get_peer_certificate(s);
795 if (peer != NULL)
796 {
797 BIO_printf(bio,"Server certificate\n");
bc2e519a 798 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
6d02d8e4 799 PEM_write_bio_X509(bio,peer);
d02b48c6
RE		 800 X509_NAME_oneline(X509_get_subject_name(peer),
801 buf,BUFSIZ);
802 BIO_printf(bio,"subject=%s\n",buf);
803 X509_NAME_oneline(X509_get_issuer_name(peer),
804 buf,BUFSIZ);
805 BIO_printf(bio,"issuer=%s\n",buf);
d02b48c6
RE		 806 }
807 else
808 BIO_printf(bio,"no peer certificate available\n");
809
f73e07cf 810 sk2=SSL_get_client_CA_list(s);
d91f8c3c 811 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
d02b48c6
RE		 812 {
813 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
f73e07cf 814 for (i=0; i<sk_X509_NAME_num(sk2); i++)
d02b48c6 815 {
f73e07cf 816 xn=sk_X509_NAME_value(sk2,i);
d02b48c6
RE		 817 X509_NAME_oneline(xn,buf,sizeof(buf));
818 BIO_write(bio,buf,strlen(buf));
819 BIO_write(bio,"\n",1);
820 }
821 }
822 else
823 {
824 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
825 }
826 p=SSL_get_shared_ciphers(s,buf,BUFSIZ);
827 if (p != NULL)
828 {
67a47285
BM		 829 /* This works only for SSL 2. In later protocol
830 * versions, the client does not know what other
831 * ciphers (in addition to the one to be used
832 * in the current connection) the server supports. */
833
d02b48c6
RE		 834 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
835 j=i=0;
836 while (*p)
837 {
838 if (*p == ':')
839 {
58964a49 840 BIO_write(bio,space,15-j%25);
d02b48c6
RE		 841 i++;
842 j=0;
843 BIO_write(bio,((i%3)?" ":"\n"),1);
844 }
845 else
846 {
847 BIO_write(bio,p,1);
848 j++;
849 }
850 p++;
851 }
852 BIO_write(bio,"\n",1);
853 }
854
855 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
856 BIO_number_read(SSL_get_rbio(s)),
857 BIO_number_written(SSL_get_wbio(s)));
858 }
859 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
860 c=SSL_get_current_cipher(s);
861 BIO_printf(bio,"%s, Cipher is %s\n",
862 SSL_CIPHER_get_version(c),
863 SSL_CIPHER_get_name(c));
a8236c8c
DSH		 864 if (peer != NULL) {
865 EVP_PKEY *pktmp;
866 pktmp = X509_get_pubkey(peer);
58964a49 867 BIO_printf(bio,"Server public key is %d bit\n",
a8236c8c
DSH		 868 EVP_PKEY_bits(pktmp));
869 EVP_PKEY_free(pktmp);
870 }
d02b48c6
RE		 871 SSL_SESSION_print(bio,SSL_get_session(s));
872 BIO_printf(bio,"---\n");
58964a49
RE		 873 if (peer != NULL)
874 X509_free(peer);
d02b48c6
RE		 875 }
876
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