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Add per-SSL 'msg_callback' with 'msg_callback_arg'.
[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>
be1bd923 63#include <openssl/e_os2.h>
cf1b7d96 64#ifdef OPENSSL_NO_STDIO
8c197cc5
UM		 65#define APPS_WIN16
66#endif
67
7d7d2cbc
UM		 68/* With IPv6, it looks like Digital has mixed up the proper order of
69 recursive header file inclusion, resulting in the compiler complaining
70 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
71 is needed to have fileno() declared correctly... So let's define u_int */
bc36ee62 72#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
7d7d2cbc
UM		 73#define __U_INT
74typedef unsigned int u_int;
75#endif
76
d02b48c6 77#define USE_SOCKETS
d02b48c6 78#include "apps.h"
ec577822
BM		 79#include <openssl/x509.h>
80#include <openssl/ssl.h>
81#include <openssl/err.h>
82#include <openssl/pem.h>
1372965e 83#include <openssl/rand.h>
d02b48c6
RE		 84#include "s_apps.h"
85
bc36ee62 86#ifdef OPENSSL_SYS_WINDOWS
06f4536a
DSH		 87#include <conio.h>
88#endif
89
90
bc36ee62 91#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
75e0770d 92/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
7d7d2cbc
UM		 93#undef FIONBIO
94#endif
95
d02b48c6
RE		 96#undef PROG
97#define PROG s_client_main
98
99/*#define SSL_HOST_NAME "www.netscape.com" */
100/*#define SSL_HOST_NAME "193.118.187.102" */
101#define SSL_HOST_NAME "localhost"
102
103/*#define TEST_CERT "client.pem" */ /* no default cert. */
104
105#undef BUFSIZZ
106#define BUFSIZZ 1024*8
107
108extern int verify_depth;
109extern int verify_error;
110
111#ifdef FIONBIO
112static int c_nbio=0;
113#endif
114static int c_Pause=0;
115static int c_debug=0;
6d02d8e4 116static int c_showcerts=0;
d02b48c6 117
d02b48c6
RE		 118static void sc_usage(void);
119static void print_stuff(BIO *berr,SSL *con,int full);
d02b48c6
RE		 120static BIO *bio_c_out=NULL;
121static int c_quiet=0;
ce301b6b 122static int c_ign_eof=0;
d02b48c6 123
6b691a5c 124static void sc_usage(void)
d02b48c6 125 {
b6cff93d 126 BIO_printf(bio_err,"usage: s_client args\n");
d02b48c6
RE		 127 BIO_printf(bio_err,"\n");
128 BIO_printf(bio_err," -host host - use -connect instead\n");
129 BIO_printf(bio_err," -port port - use -connect instead\n");
130 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
131
132 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
133 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
134 BIO_printf(bio_err," -key arg - Private key file to use, PEM format assumed, in cert file if\n");
135 BIO_printf(bio_err," not specified but cert file is.\n");
136 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
137 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
138 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
139 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
6d02d8e4 140 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
d02b48c6
RE		 141 BIO_printf(bio_err," -debug - extra output\n");
142 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
143 BIO_printf(bio_err," -state - print the 'ssl' states\n");
144#ifdef FIONBIO
145 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
1bdb8633 146#endif
1bdb8633 147 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
d02b48c6 148 BIO_printf(bio_err," -quiet - no s_client output\n");
ce301b6b 149 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
d02b48c6
RE		 150 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
151 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
58964a49
RE		 152 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
153 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
d02b48c6 154 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
836f9960 155 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
657e60fa 156 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
dfeab068 157 BIO_printf(bio_err," command to see what is available\n");
5270e702 158 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
52b621db 159 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
d02b48c6
RE		 160
161 }
162
667ac4ec
RE		 163int MAIN(int, char **);
164
6b691a5c 165int MAIN(int argc, char **argv)
d02b48c6 166 {
58964a49 167 int off=0;
d02b48c6 168 SSL *con=NULL,*con2=NULL;
bdee69f7 169 X509_STORE *store = NULL;
d02b48c6
RE		 170 int s,k,width,state=0;
171 char *cbuf=NULL,*sbuf=NULL;
172 int cbuf_len,cbuf_off;
173 int sbuf_len,sbuf_off;
174 fd_set readfds,writefds;
175 short port=PORT;
176 int full_log=1;
177 char *host=SSL_HOST_NAME;
178 char *cert_file=NULL,*key_file=NULL;
179 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
180 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
1bdb8633 181 int crlf=0;
c7ac31e2 182 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
d02b48c6
RE		 183 SSL_CTX *ctx=NULL;
184 int ret=1,in_init=1,i,nbio_test=0;
bdee69f7 185 int prexit = 0, vflags = 0;
d02b48c6
RE		 186 SSL_METHOD *meth=NULL;
187 BIO *sbio;
52b621db 188 char *inrand=NULL;
5270e702
RL		 189 char *engine_id=NULL;
190 ENGINE *e=NULL;
bc36ee62 191#ifdef OPENSSL_SYS_WINDOWS
06f4536a
DSH		 192 struct timeval tv;
193#endif
d02b48c6 194
cf1b7d96 195#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
d02b48c6 196 meth=SSLv23_client_method();
cf1b7d96 197#elif !defined(OPENSSL_NO_SSL3)
d02b48c6 198 meth=SSLv3_client_method();
cf1b7d96 199#elif !defined(OPENSSL_NO_SSL2)
d02b48c6
RE		 200 meth=SSLv2_client_method();
201#endif
202
203 apps_startup();
58964a49 204 c_Pause=0;
d02b48c6 205 c_quiet=0;
ce301b6b 206 c_ign_eof=0;
d02b48c6 207 c_debug=0;
6d02d8e4 208 c_showcerts=0;
d02b48c6
RE		 209
210 if (bio_err == NULL)
211 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
212
26a3a48d
RL		 213 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
214 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
d02b48c6
RE		 215 {
216 BIO_printf(bio_err,"out of memory\n");
217 goto end;
218 }
219
220 verify_depth=0;
221 verify_error=X509_V_OK;
222#ifdef FIONBIO
223 c_nbio=0;
224#endif
225
226 argc--;
227 argv++;
228 while (argc >= 1)
229 {
230 if (strcmp(*argv,"-host") == 0)
231 {
232 if (--argc < 1) goto bad;
233 host= *(++argv);
234 }
235 else if (strcmp(*argv,"-port") == 0)
236 {
237 if (--argc < 1) goto bad;
238 port=atoi(*(++argv));
239 if (port == 0) goto bad;
240 }
241 else if (strcmp(*argv,"-connect") == 0)
242 {
243 if (--argc < 1) goto bad;
244 if (!extract_host_port(*(++argv),&host,NULL,&port))
245 goto bad;
246 }
247 else if (strcmp(*argv,"-verify") == 0)
248 {
249 verify=SSL_VERIFY_PEER;
250 if (--argc < 1) goto bad;
251 verify_depth=atoi(*(++argv));
252 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
253 }
254 else if (strcmp(*argv,"-cert") == 0)
255 {
256 if (--argc < 1) goto bad;
257 cert_file= *(++argv);
258 }
bdee69f7
DSH		 259 else if (strcmp(*argv,"-crl_check") == 0)
260 vflags |= X509_V_FLAG_CRL_CHECK;
261 else if (strcmp(*argv,"-crl_check_all") == 0)
262 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
c3ed3b6e
DSH		 263 else if (strcmp(*argv,"-prexit") == 0)
264 prexit=1;
1bdb8633
BM		 265 else if (strcmp(*argv,"-crlf") == 0)
266 crlf=1;
d02b48c6 267 else if (strcmp(*argv,"-quiet") == 0)
ce301b6b 268 {
d02b48c6 269 c_quiet=1;
ce301b6b
RL		 270 c_ign_eof=1;
271 }
272 else if (strcmp(*argv,"-ign_eof") == 0)
273 c_ign_eof=1;
d02b48c6
RE		 274 else if (strcmp(*argv,"-pause") == 0)
275 c_Pause=1;
276 else if (strcmp(*argv,"-debug") == 0)
277 c_debug=1;
6d02d8e4
BM		 278 else if (strcmp(*argv,"-showcerts") == 0)
279 c_showcerts=1;
d02b48c6
RE		 280 else if (strcmp(*argv,"-nbio_test") == 0)
281 nbio_test=1;
282 else if (strcmp(*argv,"-state") == 0)
283 state=1;
cf1b7d96 284#ifndef OPENSSL_NO_SSL2
d02b48c6
RE		 285 else if (strcmp(*argv,"-ssl2") == 0)
286 meth=SSLv2_client_method();
287#endif
cf1b7d96 288#ifndef OPENSSL_NO_SSL3
d02b48c6
RE		 289 else if (strcmp(*argv,"-ssl3") == 0)
290 meth=SSLv3_client_method();
58964a49 291#endif
cf1b7d96 292#ifndef OPENSSL_NO_TLS1
58964a49
RE		 293 else if (strcmp(*argv,"-tls1") == 0)
294 meth=TLSv1_client_method();
d02b48c6
RE		 295#endif
296 else if (strcmp(*argv,"-bugs") == 0)
297 bugs=1;
298 else if (strcmp(*argv,"-key") == 0)
299 {
300 if (--argc < 1) goto bad;
301 key_file= *(++argv);
302 }
303 else if (strcmp(*argv,"-reconnect") == 0)
304 {
305 reconnect=5;
306 }
307 else if (strcmp(*argv,"-CApath") == 0)
308 {
309 if (--argc < 1) goto bad;
310 CApath= *(++argv);
311 }
312 else if (strcmp(*argv,"-CAfile") == 0)
313 {
314 if (--argc < 1) goto bad;
315 CAfile= *(++argv);
316 }
58964a49
RE		 317 else if (strcmp(*argv,"-no_tls1") == 0)
318 off|=SSL_OP_NO_TLSv1;
319 else if (strcmp(*argv,"-no_ssl3") == 0)
320 off|=SSL_OP_NO_SSLv3;
321 else if (strcmp(*argv,"-no_ssl2") == 0)
322 off|=SSL_OP_NO_SSLv2;
836f9960
LJ		 323 else if (strcmp(*argv,"-serverpref") == 0)
324 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
d02b48c6
RE		 325 else if (strcmp(*argv,"-cipher") == 0)
326 {
327 if (--argc < 1) goto bad;
328 cipher= *(++argv);
329 }
330#ifdef FIONBIO
331 else if (strcmp(*argv,"-nbio") == 0)
332 { c_nbio=1; }
333#endif
5270e702
RL		 334 else if (strcmp(*argv,"-engine") == 0)
335 {
336 if (--argc < 1) goto bad;
337 engine_id = *(++argv);
338 }
52b621db
LJ		 339 else if (strcmp(*argv,"-rand") == 0)
340 {
341 if (--argc < 1) goto bad;
342 inrand= *(++argv);
343 }
d02b48c6
RE		 344 else
345 {
346 BIO_printf(bio_err,"unknown option %s\n",*argv);
347 badop=1;
348 break;
349 }
350 argc--;
351 argv++;
352 }
353 if (badop)
354 {
355bad:
356 sc_usage();
357 goto end;
358 }
359
52b621db
LJ		 360 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
361 && !RAND_status())
362 {
363 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
364 }
365 if (inrand != NULL)
366 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
367 app_RAND_load_files(inrand));
a31011e8 368
d02b48c6
RE		 369 if (bio_c_out == NULL)
370 {
371 if (c_quiet)
372 {
373 bio_c_out=BIO_new(BIO_s_null());
374 }
375 else
376 {
377 if (bio_c_out == NULL)
378 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
379 }
380 }
381
af57d843 382 OpenSSL_add_ssl_algorithms();
fabce041 383 SSL_load_error_strings();
5270e702 384
531d630b 385 e = setup_engine(bio_err, engine_id, 1);
5270e702 386
d02b48c6
RE		 387 ctx=SSL_CTX_new(meth);
388 if (ctx == NULL)
389 {
390 ERR_print_errors(bio_err);
391 goto end;
392 }
393
58964a49
RE		 394 if (bugs)
395 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
396 else
397 SSL_CTX_set_options(ctx,off);
d02b48c6
RE		 398
399 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
400 if (cipher != NULL)
fabce041 401 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
657e60fa 402 BIO_printf(bio_err,"error setting cipher list\n");
fabce041
DSH		 403 ERR_print_errors(bio_err);
404 goto end;
405 }
d02b48c6
RE		 406#if 0
407 else
408 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
409#endif
410
411 SSL_CTX_set_verify(ctx,verify,verify_callback);
412 if (!set_cert_stuff(ctx,cert_file,key_file))
413 goto end;
414
415 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
416 (!SSL_CTX_set_default_verify_paths(ctx)))
417 {
657e60fa 418 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
d02b48c6 419 ERR_print_errors(bio_err);
58964a49 420 /* goto end; */
d02b48c6
RE		 421 }
422
bdee69f7
DSH		 423 store = SSL_CTX_get_cert_store(ctx);
424 X509_STORE_set_flags(store, vflags);
d02b48c6 425
82fc1d9c 426 con=SSL_new(ctx);
cf1b7d96 427#ifndef OPENSSL_NO_KRB5
f9b3bff6
RL		 428 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
429 {
430 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
431 }
cf1b7d96 432#endif /* OPENSSL_NO_KRB5 */
58964a49 433/* SSL_set_cipher_list(con,"RC4-MD5"); */
d02b48c6
RE		 434
435re_start:
436
437 if (init_client(&s,host,port) == 0)
438 {
58964a49 439 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
d02b48c6
RE		 440 SHUTDOWN(s);
441 goto end;
442 }
443 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
444
445#ifdef FIONBIO
446 if (c_nbio)
447 {
448 unsigned long l=1;
449 BIO_printf(bio_c_out,"turning on non blocking io\n");
58964a49
RE		 450 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
451 {
452 ERR_print_errors(bio_err);
453 goto end;
454 }
d02b48c6
RE		 455 }
456#endif
457 if (c_Pause & 0x01) con->debug=1;
458 sbio=BIO_new_socket(s,BIO_NOCLOSE);
459
460 if (nbio_test)
461 {
462 BIO *test;
463
464 test=BIO_new(BIO_f_nbio_test());
465 sbio=BIO_push(test,sbio);
466 }
467
468 if (c_debug)
469 {
470 con->debug=1;
471 BIO_set_callback(sbio,bio_dump_cb);
472 BIO_set_callback_arg(sbio,bio_c_out);
473 }
474
475 SSL_set_bio(con,sbio,sbio);
476 SSL_set_connect_state(con);
477
478 /* ok, lets connect */
479 width=SSL_get_fd(con)+1;
480
481 read_tty=1;
482 write_tty=0;
483 tty_on=0;
484 read_ssl=1;
485 write_ssl=1;
486
487 cbuf_len=0;
488 cbuf_off=0;
489 sbuf_len=0;
490 sbuf_off=0;
491
492 for (;;)
493 {
494 FD_ZERO(&readfds);
495 FD_ZERO(&writefds);
496
58964a49 497 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
d02b48c6
RE		 498 {
499 in_init=1;
500 tty_on=0;
501 }
502 else
503 {
504 tty_on=1;
505 if (in_init)
506 {
507 in_init=0;
508 print_stuff(bio_c_out,con,full_log);
509 if (full_log > 0) full_log--;
510
511 if (reconnect)
512 {
513 reconnect--;
514 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
515 SSL_shutdown(con);
516 SSL_set_connect_state(con);
517 SHUTDOWN(SSL_get_fd(con));
518 goto re_start;
519 }
520 }
521 }
522
c7ac31e2
BM		 523 ssl_pending = read_ssl && SSL_pending(con);
524
525 if (!ssl_pending)
d02b48c6 526 {
bc36ee62 527#ifndef OPENSSL_SYS_WINDOWS
c7ac31e2
BM		 528 if (tty_on)
529 {
530 if (read_tty) FD_SET(fileno(stdin),&readfds);
531 if (write_tty) FD_SET(fileno(stdout),&writefds);
532 }
c7ac31e2
BM		 533 if (read_ssl)
534 FD_SET(SSL_get_fd(con),&readfds);
535 if (write_ssl)
536 FD_SET(SSL_get_fd(con),&writefds);
06f4536a
DSH		 537#else
538 if(!tty_on || !write_tty) {
539 if (read_ssl)
540 FD_SET(SSL_get_fd(con),&readfds);
541 if (write_ssl)
542 FD_SET(SSL_get_fd(con),&writefds);
543 }
544#endif
c7ac31e2
BM		 545/* printf("mode tty(%d %d%d) ssl(%d%d)\n",
546 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
d02b48c6 547
75e0770d 548 /* Note: under VMS with SOCKETSHR the second parameter
7d7d2cbc
UM		 549 * is currently of type (int *) whereas under other
550 * systems it is (void *) if you don't have a cast it
551 * will choke the compiler: if you do have a cast then
552 * you can either go for (int *) or (void *).
553 */
bc36ee62 554#ifdef OPENSSL_SYS_WINDOWS
06f4536a
DSH		 555 /* Under Windows we make the assumption that we can
556 * always write to the tty: therefore if we need to
557 * write to the tty we just fall through. Otherwise
558 * we timeout the select every second and see if there
559 * are any keypresses. Note: this is a hack, in a proper
560 * Windows application we wouldn't do this.
561 */
4ec19e20 562 i=0;
06f4536a
DSH		 563 if(!write_tty) {
564 if(read_tty) {
565 tv.tv_sec = 1;
566 tv.tv_usec = 0;
567 i=select(width,(void *)&readfds,(void *)&writefds,
568 NULL,&tv);
a9ef75c5 569 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
06f4536a
DSH		 570 } else i=select(width,(void *)&readfds,(void *)&writefds,
571 NULL,NULL);
572 }
573#else
7d7d2cbc
UM		 574 i=select(width,(void *)&readfds,(void *)&writefds,
575 NULL,NULL);
06f4536a 576#endif
c7ac31e2
BM		 577 if ( i < 0)
578 {
579 BIO_printf(bio_err,"bad select %d\n",
58964a49 580 get_last_socket_error());
c7ac31e2
BM		 581 goto shut;
582 /* goto end; */
583 }
d02b48c6
RE		 584 }
585
c7ac31e2 586 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
d02b48c6
RE		 587 {
588 k=SSL_write(con,&(cbuf[cbuf_off]),
589 (unsigned int)cbuf_len);
590 switch (SSL_get_error(con,k))
591 {
592 case SSL_ERROR_NONE:
593 cbuf_off+=k;
594 cbuf_len-=k;
595 if (k <= 0) goto end;
596 /* we have done a write(con,NULL,0); */
597 if (cbuf_len <= 0)
598 {
599 read_tty=1;
600 write_ssl=0;
601 }
602 else /* if (cbuf_len > 0) */
603 {
604 read_tty=0;
605 write_ssl=1;
606 }
607 break;
608 case SSL_ERROR_WANT_WRITE:
609 BIO_printf(bio_c_out,"write W BLOCK\n");
610 write_ssl=1;
611 read_tty=0;
612 break;
613 case SSL_ERROR_WANT_READ:
614 BIO_printf(bio_c_out,"write R BLOCK\n");
615 write_tty=0;
616 read_ssl=1;
617 write_ssl=0;
618 break;
619 case SSL_ERROR_WANT_X509_LOOKUP:
620 BIO_printf(bio_c_out,"write X BLOCK\n");
621 break;
622 case SSL_ERROR_ZERO_RETURN:
623 if (cbuf_len != 0)
624 {
625 BIO_printf(bio_c_out,"shutdown\n");
626 goto shut;
627 }
628 else
629 {
630 read_tty=1;
631 write_ssl=0;
632 break;
633 }
634
635 case SSL_ERROR_SYSCALL:
636 if ((k != 0) || (cbuf_len != 0))
637 {
638 BIO_printf(bio_err,"write:errno=%d\n",
58964a49 639 get_last_socket_error());
d02b48c6
RE		 640 goto shut;
641 }
642 else
643 {
644 read_tty=1;
645 write_ssl=0;
646 }
647 break;
648 case SSL_ERROR_SSL:
649 ERR_print_errors(bio_err);
650 goto shut;
651 }
652 }
bc36ee62 653#ifdef OPENSSL_SYS_WINDOWS
06f4536a
DSH		 654 /* Assume Windows can always write */
655 else if (!ssl_pending && write_tty)
656#else
c7ac31e2 657 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
06f4536a 658#endif
d02b48c6 659 {
a53955d8
UM		 660#ifdef CHARSET_EBCDIC
661 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
662#endif
d02b48c6
RE		 663 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
664
665 if (i <= 0)
666 {
667 BIO_printf(bio_c_out,"DONE\n");
668 goto shut;
669 /* goto end; */
670 }
671
672 sbuf_len-=i;;
673 sbuf_off+=i;
674 if (sbuf_len <= 0)
675 {
676 read_ssl=1;
677 write_tty=0;
678 }
679 }
c7ac31e2 680 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
d02b48c6 681 {
58964a49
RE		 682#ifdef RENEG
683{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
684#endif
dfeab068 685#if 1
58964a49 686 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
dfeab068
RE		 687#else
688/* Demo for pending and peek :-) */
689 k=SSL_read(con,sbuf,16);
690{ char zbuf[10240];
691printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
692}
693#endif
d02b48c6
RE		 694
695 switch (SSL_get_error(con,k))
696 {
697 case SSL_ERROR_NONE:
698 if (k <= 0)
699 goto end;
700 sbuf_off=0;
701 sbuf_len=k;
702
703 read_ssl=0;
704 write_tty=1;
705 break;
706 case SSL_ERROR_WANT_WRITE:
707 BIO_printf(bio_c_out,"read W BLOCK\n");
708 write_ssl=1;
709 read_tty=0;
710 break;
711 case SSL_ERROR_WANT_READ:
712 BIO_printf(bio_c_out,"read R BLOCK\n");
713 write_tty=0;
714 read_ssl=1;
715 if ((read_tty == 0) && (write_ssl == 0))
716 write_ssl=1;
717 break;
718 case SSL_ERROR_WANT_X509_LOOKUP:
719 BIO_printf(bio_c_out,"read X BLOCK\n");
720 break;
721 case SSL_ERROR_SYSCALL:
58964a49 722 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
d02b48c6
RE		 723 goto shut;
724 case SSL_ERROR_ZERO_RETURN:
725 BIO_printf(bio_c_out,"closed\n");
726 goto shut;
727 case SSL_ERROR_SSL:
728 ERR_print_errors(bio_err);
729 goto shut;
dfeab068 730 /* break; */
d02b48c6
RE		 731 }
732 }
733
bc36ee62 734#ifdef OPENSSL_SYS_WINDOWS
a9ef75c5 735 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
06f4536a 736#else
d02b48c6 737 else if (FD_ISSET(fileno(stdin),&readfds))
06f4536a 738#endif
d02b48c6 739 {
1bdb8633
BM		 740 if (crlf)
741 {
742 int j, lf_num;
743
744 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
745 lf_num = 0;
746 /* both loops are skipped when i <= 0 */
747 for (j = 0; j < i; j++)
748 if (cbuf[j] == '\n')
749 lf_num++;
750 for (j = i-1; j >= 0; j--)
751 {
752 cbuf[j+lf_num] = cbuf[j];
753 if (cbuf[j] == '\n')
754 {
755 lf_num--;
756 i++;
757 cbuf[j+lf_num] = '\r';
758 }
759 }
760 assert(lf_num == 0);
761 }
762 else
1bdb8633 763 i=read(fileno(stdin),cbuf,BUFSIZZ);
d02b48c6 764
ce301b6b 765 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
d02b48c6
RE		 766 {
767 BIO_printf(bio_err,"DONE\n");
768 goto shut;
769 }
770
ce301b6b 771 if ((!c_ign_eof) && (cbuf[0] == 'R'))
d02b48c6 772 {
3bb307c1 773 BIO_printf(bio_err,"RENEGOTIATING\n");
d02b48c6 774 SSL_renegotiate(con);
3bb307c1 775 cbuf_len=0;
d02b48c6
RE		 776 }
777 else
778 {
779 cbuf_len=i;
780 cbuf_off=0;
a53955d8
UM		 781#ifdef CHARSET_EBCDIC
782 ebcdic2ascii(cbuf, cbuf, i);
783#endif
d02b48c6
RE		 784 }
785
d02b48c6 786 write_ssl=1;
3bb307c1 787 read_tty=0;
d02b48c6 788 }
d02b48c6
RE		 789 }
790shut:
791 SSL_shutdown(con);
792 SHUTDOWN(SSL_get_fd(con));
793 ret=0;
794end:
c3ed3b6e 795 if(prexit) print_stuff(bio_c_out,con,1);
d02b48c6
RE		 796 if (con != NULL) SSL_free(con);
797 if (con2 != NULL) SSL_free(con2);
798 if (ctx != NULL) SSL_CTX_free(ctx);
26a3a48d
RL		 799 if (cbuf != NULL) { memset(cbuf,0,BUFSIZZ); OPENSSL_free(cbuf); }
800 if (sbuf != NULL) { memset(sbuf,0,BUFSIZZ); OPENSSL_free(sbuf); }
d02b48c6
RE		 801 if (bio_c_out != NULL)
802 {
803 BIO_free(bio_c_out);
804 bio_c_out=NULL;
805 }
c04f8cf4 806 apps_shutdown();
d02b48c6
RE		 807 EXIT(ret);
808 }
809
810
6b691a5c 811static void print_stuff(BIO *bio, SSL *s, int full)
d02b48c6 812 {
58964a49 813 X509 *peer=NULL;
d02b48c6
RE		 814 char *p;
815 static char *space=" ";
816 char buf[BUFSIZ];
f73e07cf
BL		 817 STACK_OF(X509) *sk;
818 STACK_OF(X509_NAME) *sk2;
d02b48c6
RE		 819 SSL_CIPHER *c;
820 X509_NAME *xn;
821 int j,i;
822
823 if (full)
824 {
bc2e519a
BM		 825 int got_a_chain = 0;
826
d02b48c6
RE		 827 sk=SSL_get_peer_cert_chain(s);
828 if (sk != NULL)
829 {
bc2e519a
BM		 830 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
831
dfeab068 832 BIO_printf(bio,"---\nCertificate chain\n");
f73e07cf 833 for (i=0; i<sk_X509_num(sk); i++)
d02b48c6 834 {
f73e07cf
BL		 835 X509_NAME_oneline(X509_get_subject_name(
836 sk_X509_value(sk,i)),buf,BUFSIZ);
d02b48c6 837 BIO_printf(bio,"%2d s:%s\n",i,buf);
f73e07cf
BL		 838 X509_NAME_oneline(X509_get_issuer_name(
839 sk_X509_value(sk,i)),buf,BUFSIZ);
d02b48c6 840 BIO_printf(bio," i:%s\n",buf);
6d02d8e4 841 if (c_showcerts)
f73e07cf 842 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
d02b48c6
RE		 843 }
844 }
845
846 BIO_printf(bio,"---\n");
847 peer=SSL_get_peer_certificate(s);
848 if (peer != NULL)
849 {
850 BIO_printf(bio,"Server certificate\n");
bc2e519a 851 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
6d02d8e4 852 PEM_write_bio_X509(bio,peer);
d02b48c6
RE		 853 X509_NAME_oneline(X509_get_subject_name(peer),
854 buf,BUFSIZ);
855 BIO_printf(bio,"subject=%s\n",buf);
856 X509_NAME_oneline(X509_get_issuer_name(peer),
857 buf,BUFSIZ);
858 BIO_printf(bio,"issuer=%s\n",buf);
d02b48c6
RE		 859 }
860 else
861 BIO_printf(bio,"no peer certificate available\n");
862
f73e07cf 863 sk2=SSL_get_client_CA_list(s);
d91f8c3c 864 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
d02b48c6
RE		 865 {
866 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
f73e07cf 867 for (i=0; i<sk_X509_NAME_num(sk2); i++)
d02b48c6 868 {
f73e07cf 869 xn=sk_X509_NAME_value(sk2,i);
d02b48c6
RE		 870 X509_NAME_oneline(xn,buf,sizeof(buf));
871 BIO_write(bio,buf,strlen(buf));
872 BIO_write(bio,"\n",1);
873 }
874 }
875 else
876 {
877 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
878 }
879 p=SSL_get_shared_ciphers(s,buf,BUFSIZ);
880 if (p != NULL)
881 {
67a47285
BM		 882 /* This works only for SSL 2. In later protocol
883 * versions, the client does not know what other
884 * ciphers (in addition to the one to be used
885 * in the current connection) the server supports. */
886
d02b48c6
RE		 887 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
888 j=i=0;
889 while (*p)
890 {
891 if (*p == ':')
892 {
58964a49 893 BIO_write(bio,space,15-j%25);
d02b48c6
RE		 894 i++;
895 j=0;
896 BIO_write(bio,((i%3)?" ":"\n"),1);
897 }
898 else
899 {
900 BIO_write(bio,p,1);
901 j++;
902 }
903 p++;
904 }
905 BIO_write(bio,"\n",1);
906 }
907
908 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
909 BIO_number_read(SSL_get_rbio(s)),
910 BIO_number_written(SSL_get_wbio(s)));
911 }
912 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
913 c=SSL_get_current_cipher(s);
914 BIO_printf(bio,"%s, Cipher is %s\n",
915 SSL_CIPHER_get_version(c),
916 SSL_CIPHER_get_name(c));
a8236c8c
DSH		 917 if (peer != NULL) {
918 EVP_PKEY *pktmp;
919 pktmp = X509_get_pubkey(peer);
58964a49 920 BIO_printf(bio,"Server public key is %d bit\n",
a8236c8c
DSH		 921 EVP_PKEY_bits(pktmp));
922 EVP_PKEY_free(pktmp);
923 }
d02b48c6
RE		 924 SSL_SESSION_print(bio,SSL_get_session(s));
925 BIO_printf(bio,"---\n");
58964a49
RE		 926 if (peer != NULL)
927 X509_free(peer);
d02b48c6
RE		 928 }
929
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