?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Import OpenSSL-0.9.8i.
[dragonfly.git] / crypto / openssl-0.9.7d / apps / s_client.c
blobeb6fd7c1c34268c6f3a36b13e0f56e95ea6e11cd
1 /* apps/s_client.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 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
67 *
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 *
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
82 *
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 * acknowledgment:
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
105 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111
112 #include <assert.h>
113 #include <stdio.h>
114 #include <stdlib.h>
115 #include <string.h>
116 #include <openssl/e_os2.h>
117 #ifdef OPENSSL_NO_STDIO
118 #define APPS_WIN16
119 #endif
120
121 /* With IPv6, it looks like Digital has mixed up the proper order of
122 recursive header file inclusion, resulting in the compiler complaining
123 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
124 is needed to have fileno() declared correctly... So let's define u_int */
125 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
126 #define __U_INT
127 typedef unsigned int u_int;
128 #endif
129
130 #define USE_SOCKETS
131 #include "apps.h"
132 #include <openssl/x509.h>
133 #include <openssl/ssl.h>
134 #include <openssl/err.h>
135 #include <openssl/pem.h>
136 #include <openssl/rand.h>
137 #include "s_apps.h"
138
139 #ifdef OPENSSL_SYS_WINCE
140 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
141 #ifdef fileno
142 #undef fileno
143 #endif
144 #define fileno(a) (int)_fileno(a)
145 #endif
146
147
148 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
149 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
150 #undef FIONBIO
151 #endif
152
153 #undef PROG
154 #define PROG s_client_main
155
156 /*#define SSL_HOST_NAME "www.netscape.com" */
157 /*#define SSL_HOST_NAME "193.118.187.102" */
158 #define SSL_HOST_NAME "localhost"
159
160 /*#define TEST_CERT "client.pem" */ /* no default cert. */
161
162 #undef BUFSIZZ
163 #define BUFSIZZ 1024*8
164
165 extern int verify_depth;
166 extern int verify_error;
167
168 #ifdef FIONBIO
169 static int c_nbio=0;
170 #endif
171 static int c_Pause=0;
172 static int c_debug=0;
173 static int c_msg=0;
174 static int c_showcerts=0;
175
176 static void sc_usage(void);
177 static void print_stuff(BIO *berr,SSL *con,int full);
178 static BIO *bio_c_out=NULL;
179 static int c_quiet=0;
180 static int c_ign_eof=0;
181
182 static void sc_usage(void)
183 {
184 BIO_printf(bio_err,"usage: s_client args\n");
185 BIO_printf(bio_err,"\n");
186 BIO_printf(bio_err," -host host - use -connect instead\n");
187 BIO_printf(bio_err," -port port - use -connect instead\n");
188 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
189
190 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
191 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
192 BIO_printf(bio_err," -key arg - Private key file to use, PEM format assumed, in cert file if\n");
193 BIO_printf(bio_err," not specified but cert file is.\n");
194 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
195 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
196 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
197 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
198 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
199 BIO_printf(bio_err," -debug - extra output\n");
200 BIO_printf(bio_err," -msg - Show protocol messages\n");
201 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
202 BIO_printf(bio_err," -state - print the 'ssl' states\n");
203 #ifdef FIONBIO
204 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
205 #endif
206 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
207 BIO_printf(bio_err," -quiet - no s_client output\n");
208 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
209 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
210 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
211 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
212 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
213 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
214 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
215 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
216 BIO_printf(bio_err," command to see what is available\n");
217 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
218 BIO_printf(bio_err," for those protocols that support it, where\n");
219 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
220 BIO_printf(bio_err," only \"smtp\" and \"pop3\" are supported.\n");
221 #ifndef OPENSSL_NO_ENGINE
222 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
223 #endif
224 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
225
226 }
227
228 int MAIN(int, char **);
229
230 int MAIN(int argc, char **argv)
231 {
232 int off=0;
233 SSL *con=NULL,*con2=NULL;
234 X509_STORE *store = NULL;
235 int s,k,width,state=0;
236 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
237 int cbuf_len,cbuf_off;
238 int sbuf_len,sbuf_off;
239 fd_set readfds,writefds;
240 short port=PORT;
241 int full_log=1;
242 char *host=SSL_HOST_NAME;
243 char *cert_file=NULL,*key_file=NULL;
244 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
245 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
246 int crlf=0;
247 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
248 SSL_CTX *ctx=NULL;
249 int ret=1,in_init=1,i,nbio_test=0;
250 int starttls_proto = 0;
251 int prexit = 0, vflags = 0;
252 SSL_METHOD *meth=NULL;
253 BIO *sbio;
254 char *inrand=NULL;
255 #ifndef OPENSSL_NO_ENGINE
256 char *engine_id=NULL;
257 ENGINE *e=NULL;
258 #endif
259 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
260 struct timeval tv;
261 #endif
262
263 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
264 meth=SSLv23_client_method();
265 #elif !defined(OPENSSL_NO_SSL3)
266 meth=SSLv3_client_method();
267 #elif !defined(OPENSSL_NO_SSL2)
268 meth=SSLv2_client_method();
269 #endif
270
271 apps_startup();
272 c_Pause=0;
273 c_quiet=0;
274 c_ign_eof=0;
275 c_debug=0;
276 c_msg=0;
277 c_showcerts=0;
278
279 if (bio_err == NULL)
280 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
281
282 if (!load_config(bio_err, NULL))
283 goto end;
284
285 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
286 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
287 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
288 {
289 BIO_printf(bio_err,"out of memory\n");
290 goto end;
291 }
292
293 verify_depth=0;
294 verify_error=X509_V_OK;
295 #ifdef FIONBIO
296 c_nbio=0;
297 #endif
298
299 argc--;
300 argv++;
301 while (argc >= 1)
302 {
303 if (strcmp(*argv,"-host") == 0)
304 {
305 if (--argc < 1) goto bad;
306 host= *(++argv);
307 }
308 else if (strcmp(*argv,"-port") == 0)
309 {
310 if (--argc < 1) goto bad;
311 port=atoi(*(++argv));
312 if (port == 0) goto bad;
313 }
314 else if (strcmp(*argv,"-connect") == 0)
315 {
316 if (--argc < 1) goto bad;
317 if (!extract_host_port(*(++argv),&host,NULL,&port))
318 goto bad;
319 }
320 else if (strcmp(*argv,"-verify") == 0)
321 {
322 verify=SSL_VERIFY_PEER;
323 if (--argc < 1) goto bad;
324 verify_depth=atoi(*(++argv));
325 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
326 }
327 else if (strcmp(*argv,"-cert") == 0)
328 {
329 if (--argc < 1) goto bad;
330 cert_file= *(++argv);
331 }
332 else if (strcmp(*argv,"-crl_check") == 0)
333 vflags |= X509_V_FLAG_CRL_CHECK;
334 else if (strcmp(*argv,"-crl_check_all") == 0)
335 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
336 else if (strcmp(*argv,"-prexit") == 0)
337 prexit=1;
338 else if (strcmp(*argv,"-crlf") == 0)
339 crlf=1;
340 else if (strcmp(*argv,"-quiet") == 0)
341 {
342 c_quiet=1;
343 c_ign_eof=1;
344 }
345 else if (strcmp(*argv,"-ign_eof") == 0)
346 c_ign_eof=1;
347 else if (strcmp(*argv,"-pause") == 0)
348 c_Pause=1;
349 else if (strcmp(*argv,"-debug") == 0)
350 c_debug=1;
351 else if (strcmp(*argv,"-msg") == 0)
352 c_msg=1;
353 else if (strcmp(*argv,"-showcerts") == 0)
354 c_showcerts=1;
355 else if (strcmp(*argv,"-nbio_test") == 0)
356 nbio_test=1;
357 else if (strcmp(*argv,"-state") == 0)
358 state=1;
359 #ifndef OPENSSL_NO_SSL2
360 else if (strcmp(*argv,"-ssl2") == 0)
361 meth=SSLv2_client_method();
362 #endif
363 #ifndef OPENSSL_NO_SSL3
364 else if (strcmp(*argv,"-ssl3") == 0)
365 meth=SSLv3_client_method();
366 #endif
367 #ifndef OPENSSL_NO_TLS1
368 else if (strcmp(*argv,"-tls1") == 0)
369 meth=TLSv1_client_method();
370 #endif
371 else if (strcmp(*argv,"-bugs") == 0)
372 bugs=1;
373 else if (strcmp(*argv,"-key") == 0)
374 {
375 if (--argc < 1) goto bad;
376 key_file= *(++argv);
377 }
378 else if (strcmp(*argv,"-reconnect") == 0)
379 {
380 reconnect=5;
381 }
382 else if (strcmp(*argv,"-CApath") == 0)
383 {
384 if (--argc < 1) goto bad;
385 CApath= *(++argv);
386 }
387 else if (strcmp(*argv,"-CAfile") == 0)
388 {
389 if (--argc < 1) goto bad;
390 CAfile= *(++argv);
391 }
392 else if (strcmp(*argv,"-no_tls1") == 0)
393 off|=SSL_OP_NO_TLSv1;
394 else if (strcmp(*argv,"-no_ssl3") == 0)
395 off|=SSL_OP_NO_SSLv3;
396 else if (strcmp(*argv,"-no_ssl2") == 0)
397 off|=SSL_OP_NO_SSLv2;
398 else if (strcmp(*argv,"-serverpref") == 0)
399 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
400 else if (strcmp(*argv,"-cipher") == 0)
401 {
402 if (--argc < 1) goto bad;
403 cipher= *(++argv);
404 }
405 #ifdef FIONBIO
406 else if (strcmp(*argv,"-nbio") == 0)
407 { c_nbio=1; }
408 #endif
409 else if (strcmp(*argv,"-starttls") == 0)
410 {
411 if (--argc < 1) goto bad;
412 ++argv;
413 if (strcmp(*argv,"smtp") == 0)
414 starttls_proto = 1;
415 else if (strcmp(*argv,"pop3") == 0)
416 starttls_proto = 2;
417 else
418 goto bad;
419 }
420 #ifndef OPENSSL_NO_ENGINE
421 else if (strcmp(*argv,"-engine") == 0)
422 {
423 if (--argc < 1) goto bad;
424 engine_id = *(++argv);
425 }
426 #endif
427 else if (strcmp(*argv,"-rand") == 0)
428 {
429 if (--argc < 1) goto bad;
430 inrand= *(++argv);
431 }
432 else
433 {
434 BIO_printf(bio_err,"unknown option %s\n",*argv);
435 badop=1;
436 break;
437 }
438 argc--;
439 argv++;
440 }
441 if (badop)
442 {
443 bad:
444 sc_usage();
445 goto end;
446 }
447
448 OpenSSL_add_ssl_algorithms();
449 SSL_load_error_strings();
450
451 #ifndef OPENSSL_NO_ENGINE
452 e = setup_engine(bio_err, engine_id, 1);
453 #endif
454
455 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
456 && !RAND_status())
457 {
458 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
459 }
460 if (inrand != NULL)
461 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
462 app_RAND_load_files(inrand));
463
464 if (bio_c_out == NULL)
465 {
466 if (c_quiet && !c_debug && !c_msg)
467 {
468 bio_c_out=BIO_new(BIO_s_null());
469 }
470 else
471 {
472 if (bio_c_out == NULL)
473 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
474 }
475 }
476
477 ctx=SSL_CTX_new(meth);
478 if (ctx == NULL)
479 {
480 ERR_print_errors(bio_err);
481 goto end;
482 }
483
484 if (bugs)
485 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
486 else
487 SSL_CTX_set_options(ctx,off);
488
489 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
490 if (cipher != NULL)
491 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
492 BIO_printf(bio_err,"error setting cipher list\n");
493 ERR_print_errors(bio_err);
494 goto end;
495 }
496 #if 0
497 else
498 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
499 #endif
500
501 SSL_CTX_set_verify(ctx,verify,verify_callback);
502 if (!set_cert_stuff(ctx,cert_file,key_file))
503 goto end;
504
505 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
506 (!SSL_CTX_set_default_verify_paths(ctx)))
507 {
508 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
509 ERR_print_errors(bio_err);
510 /* goto end; */
511 }
512
513 store = SSL_CTX_get_cert_store(ctx);
514 X509_STORE_set_flags(store, vflags);
515
516 con=SSL_new(ctx);
517 #ifndef OPENSSL_NO_KRB5
518 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
519 {
520 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
521 }
522 #endif /* OPENSSL_NO_KRB5 */
523 /* SSL_set_cipher_list(con,"RC4-MD5"); */
524
525 re_start:
526
527 if (init_client(&s,host,port) == 0)
528 {
529 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
530 SHUTDOWN(s);
531 goto end;
532 }
533 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
534
535 #ifdef FIONBIO
536 if (c_nbio)
537 {
538 unsigned long l=1;
539 BIO_printf(bio_c_out,"turning on non blocking io\n");
540 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
541 {
542 ERR_print_errors(bio_err);
543 goto end;
544 }
545 }
546 #endif
547 if (c_Pause & 0x01) con->debug=1;
548 sbio=BIO_new_socket(s,BIO_NOCLOSE);
549
550 if (nbio_test)
551 {
552 BIO *test;
553
554 test=BIO_new(BIO_f_nbio_test());
555 sbio=BIO_push(test,sbio);
556 }
557
558 if (c_debug)
559 {
560 con->debug=1;
561 BIO_set_callback(sbio,bio_dump_cb);
562 BIO_set_callback_arg(sbio,bio_c_out);
563 }
564 if (c_msg)
565 {
566 SSL_set_msg_callback(con, msg_cb);
567 SSL_set_msg_callback_arg(con, bio_c_out);
568 }
569
570 SSL_set_bio(con,sbio,sbio);
571 SSL_set_connect_state(con);
572
573 /* ok, lets connect */
574 width=SSL_get_fd(con)+1;
575
576 read_tty=1;
577 write_tty=0;
578 tty_on=0;
579 read_ssl=1;
580 write_ssl=1;
581
582 cbuf_len=0;
583 cbuf_off=0;
584 sbuf_len=0;
585 sbuf_off=0;
586
587 /* This is an ugly hack that does a lot of assumptions */
588 if (starttls_proto == 1)
589 {
590 BIO_read(sbio,mbuf,BUFSIZZ);
591 BIO_printf(sbio,"STARTTLS\r\n");
592 BIO_read(sbio,sbuf,BUFSIZZ);
593 }
594 if (starttls_proto == 2)
595 {
596 BIO_read(sbio,mbuf,BUFSIZZ);
597 BIO_printf(sbio,"STLS\r\n");
598 BIO_read(sbio,sbuf,BUFSIZZ);
599 }
600
601 for (;;)
602 {
603 FD_ZERO(&readfds);
604 FD_ZERO(&writefds);
605
606 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
607 {
608 in_init=1;
609 tty_on=0;
610 }
611 else
612 {
613 tty_on=1;
614 if (in_init)
615 {
616 in_init=0;
617 print_stuff(bio_c_out,con,full_log);
618 if (full_log > 0) full_log--;
619
620 if (starttls_proto)
621 {
622 BIO_printf(bio_err,"%s",mbuf);
623 /* We don't need to know any more */
624 starttls_proto = 0;
625 }
626
627 if (reconnect)
628 {
629 reconnect--;
630 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
631 SSL_shutdown(con);
632 SSL_set_connect_state(con);
633 SHUTDOWN(SSL_get_fd(con));
634 goto re_start;
635 }
636 }
637 }
638
639 ssl_pending = read_ssl && SSL_pending(con);
640
641 if (!ssl_pending)
642 {
643 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
644 if (tty_on)
645 {
646 if (read_tty) FD_SET(fileno(stdin),&readfds);
647 if (write_tty) FD_SET(fileno(stdout),&writefds);
648 }
649 if (read_ssl)
650 FD_SET(SSL_get_fd(con),&readfds);
651 if (write_ssl)
652 FD_SET(SSL_get_fd(con),&writefds);
653 #else
654 if(!tty_on || !write_tty) {
655 if (read_ssl)
656 FD_SET(SSL_get_fd(con),&readfds);
657 if (write_ssl)
658 FD_SET(SSL_get_fd(con),&writefds);
659 }
660 #endif
661 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
662 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
663
664 /* Note: under VMS with SOCKETSHR the second parameter
665 * is currently of type (int *) whereas under other
666 * systems it is (void *) if you don't have a cast it
667 * will choke the compiler: if you do have a cast then
668 * you can either go for (int *) or (void *).
669 */
670 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
671 /* Under Windows/DOS we make the assumption that we can
672 * always write to the tty: therefore if we need to
673 * write to the tty we just fall through. Otherwise
674 * we timeout the select every second and see if there
675 * are any keypresses. Note: this is a hack, in a proper
676 * Windows application we wouldn't do this.
677 */
678 i=0;
679 if(!write_tty) {
680 if(read_tty) {
681 tv.tv_sec = 1;
682 tv.tv_usec = 0;
683 i=select(width,(void *)&readfds,(void *)&writefds,
684 NULL,&tv);
685 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
686 if(!i && (!_kbhit() || !read_tty) ) continue;
687 #else
688 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
689 #endif
690 } else i=select(width,(void *)&readfds,(void *)&writefds,
691 NULL,NULL);
692 }
693 #else
694 i=select(width,(void *)&readfds,(void *)&writefds,
695 NULL,NULL);
696 #endif
697 if ( i < 0)
698 {
699 BIO_printf(bio_err,"bad select %d\n",
700 get_last_socket_error());
701 goto shut;
702 /* goto end; */
703 }
704 }
705
706 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
707 {
708 k=SSL_write(con,&(cbuf[cbuf_off]),
709 (unsigned int)cbuf_len);
710 switch (SSL_get_error(con,k))
711 {
712 case SSL_ERROR_NONE:
713 cbuf_off+=k;
714 cbuf_len-=k;
715 if (k <= 0) goto end;
716 /* we have done a write(con,NULL,0); */
717 if (cbuf_len <= 0)
718 {
719 read_tty=1;
720 write_ssl=0;
721 }
722 else /* if (cbuf_len > 0) */
723 {
724 read_tty=0;
725 write_ssl=1;
726 }
727 break;
728 case SSL_ERROR_WANT_WRITE:
729 BIO_printf(bio_c_out,"write W BLOCK\n");
730 write_ssl=1;
731 read_tty=0;
732 break;
733 case SSL_ERROR_WANT_READ:
734 BIO_printf(bio_c_out,"write R BLOCK\n");
735 write_tty=0;
736 read_ssl=1;
737 write_ssl=0;
738 break;
739 case SSL_ERROR_WANT_X509_LOOKUP:
740 BIO_printf(bio_c_out,"write X BLOCK\n");
741 break;
742 case SSL_ERROR_ZERO_RETURN:
743 if (cbuf_len != 0)
744 {
745 BIO_printf(bio_c_out,"shutdown\n");
746 goto shut;
747 }
748 else
749 {
750 read_tty=1;
751 write_ssl=0;
752 break;
753 }
754
755 case SSL_ERROR_SYSCALL:
756 if ((k != 0) || (cbuf_len != 0))
757 {
758 BIO_printf(bio_err,"write:errno=%d\n",
759 get_last_socket_error());
760 goto shut;
761 }
762 else
763 {
764 read_tty=1;
765 write_ssl=0;
766 }
767 break;
768 case SSL_ERROR_SSL:
769 ERR_print_errors(bio_err);
770 goto shut;
771 }
772 }
773 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
774 /* Assume Windows/DOS can always write */
775 else if (!ssl_pending && write_tty)
776 #else
777 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
778 #endif
779 {
780 #ifdef CHARSET_EBCDIC
781 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
782 #endif
783 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
784
785 if (i <= 0)
786 {
787 BIO_printf(bio_c_out,"DONE\n");
788 goto shut;
789 /* goto end; */
790 }
791
792 sbuf_len-=i;;
793 sbuf_off+=i;
794 if (sbuf_len <= 0)
795 {
796 read_ssl=1;
797 write_tty=0;
798 }
799 }
800 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
801 {
802 #ifdef RENEG
803 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
804 #endif
805 #if 1
806 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
807 #else
808 /* Demo for pending and peek :-) */
809 k=SSL_read(con,sbuf,16);
810 { char zbuf[10240];
811 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
812 }
813 #endif
814
815 switch (SSL_get_error(con,k))
816 {
817 case SSL_ERROR_NONE:
818 if (k <= 0)
819 goto end;
820 sbuf_off=0;
821 sbuf_len=k;
822
823 read_ssl=0;
824 write_tty=1;
825 break;
826 case SSL_ERROR_WANT_WRITE:
827 BIO_printf(bio_c_out,"read W BLOCK\n");
828 write_ssl=1;
829 read_tty=0;
830 break;
831 case SSL_ERROR_WANT_READ:
832 BIO_printf(bio_c_out,"read R BLOCK\n");
833 write_tty=0;
834 read_ssl=1;
835 if ((read_tty == 0) && (write_ssl == 0))
836 write_ssl=1;
837 break;
838 case SSL_ERROR_WANT_X509_LOOKUP:
839 BIO_printf(bio_c_out,"read X BLOCK\n");
840 break;
841 case SSL_ERROR_SYSCALL:
842 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
843 goto shut;
844 case SSL_ERROR_ZERO_RETURN:
845 BIO_printf(bio_c_out,"closed\n");
846 goto shut;
847 case SSL_ERROR_SSL:
848 ERR_print_errors(bio_err);
849 goto shut;
850 /* break; */
851 }
852 }
853
854 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
855 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
856 else if (_kbhit())
857 #else
858 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
859 #endif
860 #else
861 else if (FD_ISSET(fileno(stdin),&readfds))
862 #endif
863 {
864 if (crlf)
865 {
866 int j, lf_num;
867
868 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
869 lf_num = 0;
870 /* both loops are skipped when i <= 0 */
871 for (j = 0; j < i; j++)
872 if (cbuf[j] == '\n')
873 lf_num++;
874 for (j = i-1; j >= 0; j--)
875 {
876 cbuf[j+lf_num] = cbuf[j];
877 if (cbuf[j] == '\n')
878 {
879 lf_num--;
880 i++;
881 cbuf[j+lf_num] = '\r';
882 }
883 }
884 assert(lf_num == 0);
885 }
886 else
887 i=read(fileno(stdin),cbuf,BUFSIZZ);
888
889 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
890 {
891 BIO_printf(bio_err,"DONE\n");
892 goto shut;
893 }
894
895 if ((!c_ign_eof) && (cbuf[0] == 'R'))
896 {
897 BIO_printf(bio_err,"RENEGOTIATING\n");
898 SSL_renegotiate(con);
899 cbuf_len=0;
900 }
901 else
902 {
903 cbuf_len=i;
904 cbuf_off=0;
905 #ifdef CHARSET_EBCDIC
906 ebcdic2ascii(cbuf, cbuf, i);
907 #endif
908 }
909
910 write_ssl=1;
911 read_tty=0;
912 }
913 }
914 shut:
915 SSL_shutdown(con);
916 SHUTDOWN(SSL_get_fd(con));
917 ret=0;
918 end:
919 if(prexit) print_stuff(bio_c_out,con,1);
920 if (con != NULL) SSL_free(con);
921 if (con2 != NULL) SSL_free(con2);
922 if (ctx != NULL) SSL_CTX_free(ctx);
923 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
924 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
925 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
926 if (bio_c_out != NULL)
927 {
928 BIO_free(bio_c_out);
929 bio_c_out=NULL;
930 }
931 apps_shutdown();
932 OPENSSL_EXIT(ret);
933 }
934
935
936 static void print_stuff(BIO *bio, SSL *s, int full)
937 {
938 X509 *peer=NULL;
939 char *p;
940 static char *space=" ";
941 char buf[BUFSIZ];
942 STACK_OF(X509) *sk;
943 STACK_OF(X509_NAME) *sk2;
944 SSL_CIPHER *c;
945 X509_NAME *xn;
946 int j,i;
947
948 if (full)
949 {
950 int got_a_chain = 0;
951
952 sk=SSL_get_peer_cert_chain(s);
953 if (sk != NULL)
954 {
955 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
956
957 BIO_printf(bio,"---\nCertificate chain\n");
958 for (i=0; i<sk_X509_num(sk); i++)
959 {
960 X509_NAME_oneline(X509_get_subject_name(
961 sk_X509_value(sk,i)),buf,sizeof buf);
962 BIO_printf(bio,"%2d s:%s\n",i,buf);
963 X509_NAME_oneline(X509_get_issuer_name(
964 sk_X509_value(sk,i)),buf,sizeof buf);
965 BIO_printf(bio," i:%s\n",buf);
966 if (c_showcerts)
967 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
968 }
969 }
970
971 BIO_printf(bio,"---\n");
972 peer=SSL_get_peer_certificate(s);
973 if (peer != NULL)
974 {
975 BIO_printf(bio,"Server certificate\n");
976 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
977 PEM_write_bio_X509(bio,peer);
978 X509_NAME_oneline(X509_get_subject_name(peer),
979 buf,sizeof buf);
980 BIO_printf(bio,"subject=%s\n",buf);
981 X509_NAME_oneline(X509_get_issuer_name(peer),
982 buf,sizeof buf);
983 BIO_printf(bio,"issuer=%s\n",buf);
984 }
985 else
986 BIO_printf(bio,"no peer certificate available\n");
987
988 sk2=SSL_get_client_CA_list(s);
989 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
990 {
991 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
992 for (i=0; i<sk_X509_NAME_num(sk2); i++)
993 {
994 xn=sk_X509_NAME_value(sk2,i);
995 X509_NAME_oneline(xn,buf,sizeof(buf));
996 BIO_write(bio,buf,strlen(buf));
997 BIO_write(bio,"\n",1);
998 }
999 }
1000 else
1001 {
1002 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1003 }
1004 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1005 if (p != NULL)
1006 {
1007 /* This works only for SSL 2. In later protocol
1008 * versions, the client does not know what other
1009 * ciphers (in addition to the one to be used
1010 * in the current connection) the server supports. */
1011
1012 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1013 j=i=0;
1014 while (*p)
1015 {
1016 if (*p == ':')
1017 {
1018 BIO_write(bio,space,15-j%25);
1019 i++;
1020 j=0;
1021 BIO_write(bio,((i%3)?" ":"\n"),1);
1022 }
1023 else
1024 {
1025 BIO_write(bio,p,1);
1026 j++;
1027 }
1028 p++;
1029 }
1030 BIO_write(bio,"\n",1);
1031 }
1032
1033 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1034 BIO_number_read(SSL_get_rbio(s)),
1035 BIO_number_written(SSL_get_wbio(s)));
1036 }
1037 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1038 c=SSL_get_current_cipher(s);
1039 BIO_printf(bio,"%s, Cipher is %s\n",
1040 SSL_CIPHER_get_version(c),
1041 SSL_CIPHER_get_name(c));
1042 if (peer != NULL) {
1043 EVP_PKEY *pktmp;
1044 pktmp = X509_get_pubkey(peer);
1045 BIO_printf(bio,"Server public key is %d bit\n",
1046 EVP_PKEY_bits(pktmp));
1047 EVP_PKEY_free(pktmp);
1048 }
1049 SSL_SESSION_print(bio,SSL_get_session(s));
1050 BIO_printf(bio,"---\n");
1051 if (peer != NULL)
1052 X509_free(peer);
1053 /* flush, or debugging output gets mixed with http response */
1054 BIO_flush(bio);
1055 }
1056
DragonFly BSD