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 #include "timeouts.h"
139
140 #ifdef OPENSSL_SYS_WINCE
141 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
142 #ifdef fileno
143 #undef fileno
144 #endif
145 #define fileno(a) (int)_fileno(a)
146 #endif
147
148
149 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
150 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
151 #undef FIONBIO
152 #endif
153
154 #undef PROG
155 #define PROG s_client_main
156
157 /*#define SSL_HOST_NAME "www.netscape.com" */
158 /*#define SSL_HOST_NAME "193.118.187.102" */
159 #define SSL_HOST_NAME "localhost"
160
161 /*#define TEST_CERT "client.pem" */ /* no default cert. */
162
163 #undef BUFSIZZ
164 #define BUFSIZZ 1024*8
165
166 extern int verify_depth;
167 extern int verify_error;
168
169 #ifdef FIONBIO
170 static int c_nbio=0;
171 #endif
172 static int c_Pause=0;
173 static int c_debug=0;
174 static int c_msg=0;
175 static int c_showcerts=0;
176
177 static void sc_usage(void);
178 static void print_stuff(BIO *berr,SSL *con,int full);
179 static BIO *bio_c_out=NULL;
180 static int c_quiet=0;
181 static int c_ign_eof=0;
182
sc_usage(void)183 static void sc_usage(void)
184 {
185 BIO_printf(bio_err,"usage: s_client args\n");
186 BIO_printf(bio_err,"\n");
187 BIO_printf(bio_err," -host host - use -connect instead\n");
188 BIO_printf(bio_err," -port port - use -connect instead\n");
189 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
190
191 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
192 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
193 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
194 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
195 BIO_printf(bio_err," not specified but cert file is.\n");
196 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
197 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
198 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
199 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
200 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
201 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
202 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
203 BIO_printf(bio_err," -debug - extra output\n");
204 #ifdef WATT32
205 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
206 #endif
207 BIO_printf(bio_err," -msg - Show protocol messages\n");
208 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
209 BIO_printf(bio_err," -state - print the 'ssl' states\n");
210 #ifdef FIONBIO
211 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
212 #endif
213 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
214 BIO_printf(bio_err," -quiet - no s_client output\n");
215 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
216 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
217 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
218 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
219 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
220 BIO_printf(bio_err," -mtu - set the MTU\n");
221 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
222 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
223 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
224 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
225 BIO_printf(bio_err," command to see what is available\n");
226 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
227 BIO_printf(bio_err," for those protocols that support it, where\n");
228 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
229 BIO_printf(bio_err," only \"smtp\" and \"pop3\" are supported.\n");
230 #ifndef OPENSSL_NO_ENGINE
231 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
232 #endif
233 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
234
235 }
236
237 int MAIN(int, char **);
238
MAIN(int argc,char ** argv)239 int MAIN(int argc, char **argv)
240 {
241 int off=0;
242 SSL *con=NULL,*con2=NULL;
243 X509_STORE *store = NULL;
244 int s,k,width,state=0;
245 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
246 int cbuf_len,cbuf_off;
247 int sbuf_len,sbuf_off;
248 fd_set readfds,writefds;
249 short port=PORT;
250 int full_log=1;
251 char *host=SSL_HOST_NAME;
252 char *cert_file=NULL,*key_file=NULL;
253 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
254 char *passarg = NULL, *pass = NULL;
255 X509 *cert = NULL;
256 EVP_PKEY *key = NULL;
257 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
258 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
259 int crlf=0;
260 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
261 SSL_CTX *ctx=NULL;
262 int ret=1,in_init=1,i,nbio_test=0;
263 int starttls_proto = 0;
264 int prexit = 0, vflags = 0;
265 SSL_METHOD *meth=NULL;
266 #ifdef sock_type
267 #undef sock_type
268 #endif
269 int sock_type=SOCK_STREAM;
270 BIO *sbio;
271 char *inrand=NULL;
272 #ifndef OPENSSL_NO_ENGINE
273 char *engine_id=NULL;
274 ENGINE *e=NULL;
275 #endif
276 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
277 struct timeval tv;
278 #endif
279
280 struct sockaddr peer;
281 int peerlen = sizeof(peer);
282 int enable_timeouts = 0 ;
283 long mtu = 0;
284
285 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
286 meth=SSLv23_client_method();
287 #elif !defined(OPENSSL_NO_SSL3)
288 meth=SSLv3_client_method();
289 #elif !defined(OPENSSL_NO_SSL2)
290 meth=SSLv2_client_method();
291 #endif
292
293 apps_startup();
294 c_Pause=0;
295 c_quiet=0;
296 c_ign_eof=0;
297 c_debug=0;
298 c_msg=0;
299 c_showcerts=0;
300
301 if (bio_err == NULL)
302 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
303
304 if (!load_config(bio_err, NULL))
305 goto end;
306
307 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
308 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
309 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
310 {
311 BIO_printf(bio_err,"out of memory\n");
312 goto end;
313 }
314
315 verify_depth=0;
316 verify_error=X509_V_OK;
317 #ifdef FIONBIO
318 c_nbio=0;
319 #endif
320
321 argc--;
322 argv++;
323 while (argc >= 1)
324 {
325 if (strcmp(*argv,"-host") == 0)
326 {
327 if (--argc < 1) goto bad;
328 host= *(++argv);
329 }
330 else if (strcmp(*argv,"-port") == 0)
331 {
332 if (--argc < 1) goto bad;
333 port=atoi(*(++argv));
334 if (port == 0) goto bad;
335 }
336 else if (strcmp(*argv,"-connect") == 0)
337 {
338 if (--argc < 1) goto bad;
339 if (!extract_host_port(*(++argv),&host,NULL,&port))
340 goto bad;
341 }
342 else if (strcmp(*argv,"-verify") == 0)
343 {
344 verify=SSL_VERIFY_PEER;
345 if (--argc < 1) goto bad;
346 verify_depth=atoi(*(++argv));
347 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
348 }
349 else if (strcmp(*argv,"-cert") == 0)
350 {
351 if (--argc < 1) goto bad;
352 cert_file= *(++argv);
353 }
354 else if (strcmp(*argv,"-certform") == 0)
355 {
356 if (--argc < 1) goto bad;
357 cert_format = str2fmt(*(++argv));
358 }
359 else if (strcmp(*argv,"-crl_check") == 0)
360 vflags |= X509_V_FLAG_CRL_CHECK;
361 else if (strcmp(*argv,"-crl_check_all") == 0)
362 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
363 else if (strcmp(*argv,"-prexit") == 0)
364 prexit=1;
365 else if (strcmp(*argv,"-crlf") == 0)
366 crlf=1;
367 else if (strcmp(*argv,"-quiet") == 0)
368 {
369 c_quiet=1;
370 c_ign_eof=1;
371 }
372 else if (strcmp(*argv,"-ign_eof") == 0)
373 c_ign_eof=1;
374 else if (strcmp(*argv,"-pause") == 0)
375 c_Pause=1;
376 else if (strcmp(*argv,"-debug") == 0)
377 c_debug=1;
378 #ifdef WATT32
379 else if (strcmp(*argv,"-wdebug") == 0)
380 dbug_init();
381 #endif
382 else if (strcmp(*argv,"-msg") == 0)
383 c_msg=1;
384 else if (strcmp(*argv,"-showcerts") == 0)
385 c_showcerts=1;
386 else if (strcmp(*argv,"-nbio_test") == 0)
387 nbio_test=1;
388 else if (strcmp(*argv,"-state") == 0)
389 state=1;
390 #ifndef OPENSSL_NO_SSL2
391 else if (strcmp(*argv,"-ssl2") == 0)
392 meth=SSLv2_client_method();
393 #endif
394 #ifndef OPENSSL_NO_SSL3
395 else if (strcmp(*argv,"-ssl3") == 0)
396 meth=SSLv3_client_method();
397 #endif
398 #ifndef OPENSSL_NO_TLS1
399 else if (strcmp(*argv,"-tls1") == 0)
400 meth=TLSv1_client_method();
401 #endif
402 #ifndef OPENSSL_NO_DTLS1
403 else if (strcmp(*argv,"-dtls1") == 0)
404 {
405 meth=DTLSv1_client_method();
406 sock_type=SOCK_DGRAM;
407 }
408 else if (strcmp(*argv,"-timeout") == 0)
409 enable_timeouts=1;
410 else if (strcmp(*argv,"-mtu") == 0)
411 {
412 if (--argc < 1) goto bad;
413 mtu = atol(*(++argv));
414 }
415 #endif
416 else if (strcmp(*argv,"-bugs") == 0)
417 bugs=1;
418 else if (strcmp(*argv,"-keyform") == 0)
419 {
420 if (--argc < 1) goto bad;
421 key_format = str2fmt(*(++argv));
422 }
423 else if (strcmp(*argv,"-pass") == 0)
424 {
425 if (--argc < 1) goto bad;
426 passarg = *(++argv);
427 }
428 else if (strcmp(*argv,"-key") == 0)
429 {
430 if (--argc < 1) goto bad;
431 key_file= *(++argv);
432 }
433 else if (strcmp(*argv,"-reconnect") == 0)
434 {
435 reconnect=5;
436 }
437 else if (strcmp(*argv,"-CApath") == 0)
438 {
439 if (--argc < 1) goto bad;
440 CApath= *(++argv);
441 }
442 else if (strcmp(*argv,"-CAfile") == 0)
443 {
444 if (--argc < 1) goto bad;
445 CAfile= *(++argv);
446 }
447 else if (strcmp(*argv,"-no_tls1") == 0)
448 off|=SSL_OP_NO_TLSv1;
449 else if (strcmp(*argv,"-no_ssl3") == 0)
450 off|=SSL_OP_NO_SSLv3;
451 else if (strcmp(*argv,"-no_ssl2") == 0)
452 off|=SSL_OP_NO_SSLv2;
453 else if (strcmp(*argv,"-serverpref") == 0)
454 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
455 else if (strcmp(*argv,"-cipher") == 0)
456 {
457 if (--argc < 1) goto bad;
458 cipher= *(++argv);
459 }
460 #ifdef FIONBIO
461 else if (strcmp(*argv,"-nbio") == 0)
462 { c_nbio=1; }
463 #endif
464 else if (strcmp(*argv,"-starttls") == 0)
465 {
466 if (--argc < 1) goto bad;
467 ++argv;
468 if (strcmp(*argv,"smtp") == 0)
469 starttls_proto = 1;
470 else if (strcmp(*argv,"pop3") == 0)
471 starttls_proto = 2;
472 else
473 goto bad;
474 }
475 #ifndef OPENSSL_NO_ENGINE
476 else if (strcmp(*argv,"-engine") == 0)
477 {
478 if (--argc < 1) goto bad;
479 engine_id = *(++argv);
480 }
481 #endif
482 else if (strcmp(*argv,"-rand") == 0)
483 {
484 if (--argc < 1) goto bad;
485 inrand= *(++argv);
486 }
487 else
488 {
489 BIO_printf(bio_err,"unknown option %s\n",*argv);
490 badop=1;
491 break;
492 }
493 argc--;
494 argv++;
495 }
496 if (badop)
497 {
498 bad:
499 sc_usage();
500 goto end;
501 }
502
503 OpenSSL_add_ssl_algorithms();
504 SSL_load_error_strings();
505
506 #ifndef OPENSSL_NO_ENGINE
507 e = setup_engine(bio_err, engine_id, 1);
508 #endif
509 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
510 {
511 BIO_printf(bio_err, "Error getting password\n");
512 goto end;
513 }
514
515 if (key_file == NULL)
516 key_file = cert_file;
517
518
519 if (key_file)
520
521 {
522
523 key = load_key(bio_err, key_file, key_format, 0, pass, e,
524 "client certificate private key file");
525 if (!key)
526 {
527 ERR_print_errors(bio_err);
528 goto end;
529 }
530
531 }
532
533 if (cert_file)
534
535 {
536 cert = load_cert(bio_err,cert_file,cert_format,
537 NULL, e, "client certificate file");
538
539 if (!cert)
540 {
541 ERR_print_errors(bio_err);
542 goto end;
543 }
544 }
545
546 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
547 && !RAND_status())
548 {
549 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
550 }
551 if (inrand != NULL)
552 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
553 app_RAND_load_files(inrand));
554
555 if (bio_c_out == NULL)
556 {
557 if (c_quiet && !c_debug && !c_msg)
558 {
559 bio_c_out=BIO_new(BIO_s_null());
560 }
561 else
562 {
563 if (bio_c_out == NULL)
564 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
565 }
566 }
567
568 ctx=SSL_CTX_new(meth);
569 if (ctx == NULL)
570 {
571 ERR_print_errors(bio_err);
572 goto end;
573 }
574
575 if (bugs)
576 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
577 else
578 SSL_CTX_set_options(ctx,off);
579 /* DTLS: partial reads end up discarding unread UDP bytes :-(
580 * Setting read ahead solves this problem.
581 */
582 if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
583
584 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
585 if (cipher != NULL)
586 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
587 BIO_printf(bio_err,"error setting cipher list\n");
588 ERR_print_errors(bio_err);
589 goto end;
590 }
591 #if 0
592 else
593 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
594 #endif
595
596 SSL_CTX_set_verify(ctx,verify,verify_callback);
597 if (!set_cert_key_stuff(ctx,cert,key))
598 goto end;
599
600 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
601 (!SSL_CTX_set_default_verify_paths(ctx)))
602 {
603 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
604 ERR_print_errors(bio_err);
605 /* goto end; */
606 }
607
608 store = SSL_CTX_get_cert_store(ctx);
609 X509_STORE_set_flags(store, vflags);
610
611 con=SSL_new(ctx);
612 #ifndef OPENSSL_NO_KRB5
613 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
614 {
615 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
616 }
617 #endif /* OPENSSL_NO_KRB5 */
618 /* SSL_set_cipher_list(con,"RC4-MD5"); */
619
620 re_start:
621
622 if (init_client(&s,host,port,sock_type) == 0)
623 {
624 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
625 SHUTDOWN(s);
626 goto end;
627 }
628 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
629
630 #ifdef FIONBIO
631 if (c_nbio)
632 {
633 unsigned long l=1;
634 BIO_printf(bio_c_out,"turning on non blocking io\n");
635 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
636 {
637 ERR_print_errors(bio_err);
638 goto end;
639 }
640 }
641 #endif
642 if (c_Pause & 0x01) con->debug=1;
643
644 if ( SSL_version(con) == DTLS1_VERSION)
645 {
646 struct timeval timeout;
647
648 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
649 if (getsockname(s, &peer, (void *)&peerlen) < 0)
650 {
651 BIO_printf(bio_err, "getsockname:errno=%d\n",
652 get_last_socket_error());
653 SHUTDOWN(s);
654 goto end;
655 }
656
657 BIO_ctrl_set_connected(sbio, 1, &peer);
658
659 if ( enable_timeouts)
660 {
661 timeout.tv_sec = 0;
662 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
663 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
664
665 timeout.tv_sec = 0;
666 timeout.tv_usec = DGRAM_SND_TIMEOUT;
667 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
668 }
669
670 if ( mtu > 0)
671 {
672 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
673 SSL_set_mtu(con, mtu);
674 }
675 else
676 /* want to do MTU discovery */
677 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
678 }
679 else
680 sbio=BIO_new_socket(s,BIO_NOCLOSE);
681
682
683
684 if (nbio_test)
685 {
686 BIO *test;
687
688 test=BIO_new(BIO_f_nbio_test());
689 sbio=BIO_push(test,sbio);
690 }
691
692 if (c_debug)
693 {
694 con->debug=1;
695 BIO_set_callback(sbio,bio_dump_callback);
696 BIO_set_callback_arg(sbio,bio_c_out);
697 }
698 if (c_msg)
699 {
700 SSL_set_msg_callback(con, msg_cb);
701 SSL_set_msg_callback_arg(con, bio_c_out);
702 }
703
704 SSL_set_bio(con,sbio,sbio);
705 SSL_set_connect_state(con);
706
707 /* ok, lets connect */
708 width=SSL_get_fd(con)+1;
709
710 read_tty=1;
711 write_tty=0;
712 tty_on=0;
713 read_ssl=1;
714 write_ssl=1;
715
716 cbuf_len=0;
717 cbuf_off=0;
718 sbuf_len=0;
719 sbuf_off=0;
720
721 /* This is an ugly hack that does a lot of assumptions */
722 if (starttls_proto == 1)
723 {
724 BIO_read(sbio,mbuf,BUFSIZZ);
725 BIO_printf(sbio,"STARTTLS\r\n");
726 BIO_read(sbio,sbuf,BUFSIZZ);
727 }
728 if (starttls_proto == 2)
729 {
730 BIO_read(sbio,mbuf,BUFSIZZ);
731 BIO_printf(sbio,"STLS\r\n");
732 BIO_read(sbio,sbuf,BUFSIZZ);
733 }
734
735 for (;;)
736 {
737 FD_ZERO(&readfds);
738 FD_ZERO(&writefds);
739
740 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
741 {
742 in_init=1;
743 tty_on=0;
744 }
745 else
746 {
747 tty_on=1;
748 if (in_init)
749 {
750 in_init=0;
751 print_stuff(bio_c_out,con,full_log);
752 if (full_log > 0) full_log--;
753
754 if (starttls_proto)
755 {
756 BIO_printf(bio_err,"%s",mbuf);
757 /* We don't need to know any more */
758 starttls_proto = 0;
759 }
760
761 if (reconnect)
762 {
763 reconnect--;
764 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
765 SSL_shutdown(con);
766 SSL_set_connect_state(con);
767 SHUTDOWN(SSL_get_fd(con));
768 goto re_start;
769 }
770 }
771 }
772
773 ssl_pending = read_ssl && SSL_pending(con);
774
775 if (!ssl_pending)
776 {
777 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
778 if (tty_on)
779 {
780 if (read_tty) FD_SET(fileno(stdin),&readfds);
781 if (write_tty) FD_SET(fileno(stdout),&writefds);
782 }
783 if (read_ssl)
784 FD_SET(SSL_get_fd(con),&readfds);
785 if (write_ssl)
786 FD_SET(SSL_get_fd(con),&writefds);
787 #else
788 if(!tty_on || !write_tty) {
789 if (read_ssl)
790 FD_SET(SSL_get_fd(con),&readfds);
791 if (write_ssl)
792 FD_SET(SSL_get_fd(con),&writefds);
793 }
794 #endif
795 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
796 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
797
798 /* Note: under VMS with SOCKETSHR the second parameter
799 * is currently of type (int *) whereas under other
800 * systems it is (void *) if you don't have a cast it
801 * will choke the compiler: if you do have a cast then
802 * you can either go for (int *) or (void *).
803 */
804 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
805 /* Under Windows/DOS we make the assumption that we can
806 * always write to the tty: therefore if we need to
807 * write to the tty we just fall through. Otherwise
808 * we timeout the select every second and see if there
809 * are any keypresses. Note: this is a hack, in a proper
810 * Windows application we wouldn't do this.
811 */
812 i=0;
813 if(!write_tty) {
814 if(read_tty) {
815 tv.tv_sec = 1;
816 tv.tv_usec = 0;
817 i=select(width,(void *)&readfds,(void *)&writefds,
818 NULL,&tv);
819 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
820 if(!i && (!_kbhit() || !read_tty) ) continue;
821 #else
822 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
823 #endif
824 } else i=select(width,(void *)&readfds,(void *)&writefds,
825 NULL,NULL);
826 }
827 #elif defined(OPENSSL_SYS_NETWARE)
828 if(!write_tty) {
829 if(read_tty) {
830 tv.tv_sec = 1;
831 tv.tv_usec = 0;
832 i=select(width,(void *)&readfds,(void *)&writefds,
833 NULL,&tv);
834 } else i=select(width,(void *)&readfds,(void *)&writefds,
835 NULL,NULL);
836 }
837 #else
838 i=select(width,(void *)&readfds,(void *)&writefds,
839 NULL,NULL);
840 #endif
841 if ( i < 0)
842 {
843 BIO_printf(bio_err,"bad select %d\n",
844 get_last_socket_error());
845 goto shut;
846 /* goto end; */
847 }
848 }
849
850 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
851 {
852 k=SSL_write(con,&(cbuf[cbuf_off]),
853 (unsigned int)cbuf_len);
854 switch (SSL_get_error(con,k))
855 {
856 case SSL_ERROR_NONE:
857 cbuf_off+=k;
858 cbuf_len-=k;
859 if (k <= 0) goto end;
860 /* we have done a write(con,NULL,0); */
861 if (cbuf_len <= 0)
862 {
863 read_tty=1;
864 write_ssl=0;
865 }
866 else /* if (cbuf_len > 0) */
867 {
868 read_tty=0;
869 write_ssl=1;
870 }
871 break;
872 case SSL_ERROR_WANT_WRITE:
873 BIO_printf(bio_c_out,"write W BLOCK\n");
874 write_ssl=1;
875 read_tty=0;
876 break;
877 case SSL_ERROR_WANT_READ:
878 BIO_printf(bio_c_out,"write R BLOCK\n");
879 write_tty=0;
880 read_ssl=1;
881 write_ssl=0;
882 break;
883 case SSL_ERROR_WANT_X509_LOOKUP:
884 BIO_printf(bio_c_out,"write X BLOCK\n");
885 break;
886 case SSL_ERROR_ZERO_RETURN:
887 if (cbuf_len != 0)
888 {
889 BIO_printf(bio_c_out,"shutdown\n");
890 goto shut;
891 }
892 else
893 {
894 read_tty=1;
895 write_ssl=0;
896 break;
897 }
898
899 case SSL_ERROR_SYSCALL:
900 if ((k != 0) || (cbuf_len != 0))
901 {
902 BIO_printf(bio_err,"write:errno=%d\n",
903 get_last_socket_error());
904 goto shut;
905 }
906 else
907 {
908 read_tty=1;
909 write_ssl=0;
910 }
911 break;
912 case SSL_ERROR_SSL:
913 ERR_print_errors(bio_err);
914 goto shut;
915 }
916 }
917 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
918 /* Assume Windows/DOS can always write */
919 else if (!ssl_pending && write_tty)
920 #else
921 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
922 #endif
923 {
924 #ifdef CHARSET_EBCDIC
925 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
926 #endif
927 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
928
929 if (i <= 0)
930 {
931 BIO_printf(bio_c_out,"DONE\n");
932 goto shut;
933 /* goto end; */
934 }
935
936 sbuf_len-=i;;
937 sbuf_off+=i;
938 if (sbuf_len <= 0)
939 {
940 read_ssl=1;
941 write_tty=0;
942 }
943 }
944 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
945 {
946 #ifdef RENEG
947 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
948 #endif
949 #if 1
950 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
951 #else
952 /* Demo for pending and peek :-) */
953 k=SSL_read(con,sbuf,16);
954 { char zbuf[10240];
955 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
956 }
957 #endif
958
959 switch (SSL_get_error(con,k))
960 {
961 case SSL_ERROR_NONE:
962 if (k <= 0)
963 goto end;
964 sbuf_off=0;
965 sbuf_len=k;
966
967 read_ssl=0;
968 write_tty=1;
969 break;
970 case SSL_ERROR_WANT_WRITE:
971 BIO_printf(bio_c_out,"read W BLOCK\n");
972 write_ssl=1;
973 read_tty=0;
974 break;
975 case SSL_ERROR_WANT_READ:
976 BIO_printf(bio_c_out,"read R BLOCK\n");
977 write_tty=0;
978 read_ssl=1;
979 if ((read_tty == 0) && (write_ssl == 0))
980 write_ssl=1;
981 break;
982 case SSL_ERROR_WANT_X509_LOOKUP:
983 BIO_printf(bio_c_out,"read X BLOCK\n");
984 break;
985 case SSL_ERROR_SYSCALL:
986 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
987 goto shut;
988 case SSL_ERROR_ZERO_RETURN:
989 BIO_printf(bio_c_out,"closed\n");
990 goto shut;
991 case SSL_ERROR_SSL:
992 ERR_print_errors(bio_err);
993 goto shut;
994 /* break; */
995 }
996 }
997
998 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
999 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1000 else if (_kbhit())
1001 #else
1002 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1003 #endif
1004 #elif defined (OPENSSL_SYS_NETWARE)
1005 else if (_kbhit())
1006 #else
1007 else if (FD_ISSET(fileno(stdin),&readfds))
1008 #endif
1009 {
1010 if (crlf)
1011 {
1012 int j, lf_num;
1013
1014 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
1015 lf_num = 0;
1016 /* both loops are skipped when i <= 0 */
1017 for (j = 0; j < i; j++)
1018 if (cbuf[j] == '\n')
1019 lf_num++;
1020 for (j = i-1; j >= 0; j--)
1021 {
1022 cbuf[j+lf_num] = cbuf[j];
1023 if (cbuf[j] == '\n')
1024 {
1025 lf_num--;
1026 i++;
1027 cbuf[j+lf_num] = '\r';
1028 }
1029 }
1030 assert(lf_num == 0);
1031 }
1032 else
1033 i=read(fileno(stdin),cbuf,BUFSIZZ);
1034
1035 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1036 {
1037 BIO_printf(bio_err,"DONE\n");
1038 goto shut;
1039 }
1040
1041 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1042 {
1043 BIO_printf(bio_err,"RENEGOTIATING\n");
1044 SSL_renegotiate(con);
1045 cbuf_len=0;
1046 }
1047 else
1048 {
1049 cbuf_len=i;
1050 cbuf_off=0;
1051 #ifdef CHARSET_EBCDIC
1052 ebcdic2ascii(cbuf, cbuf, i);
1053 #endif
1054 }
1055
1056 write_ssl=1;
1057 read_tty=0;
1058 }
1059 }
1060 shut:
1061 SSL_shutdown(con);
1062 SHUTDOWN(SSL_get_fd(con));
1063 ret=0;
1064 end:
1065 if(prexit) print_stuff(bio_c_out,con,1);
1066 if (con != NULL) SSL_free(con);
1067 if (con2 != NULL) SSL_free(con2);
1068 if (ctx != NULL) SSL_CTX_free(ctx);
1069 if (cert)
1070 X509_free(cert);
1071 if (key)
1072 EVP_PKEY_free(key);
1073 if (pass)
1074 OPENSSL_free(pass);
1075 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1076 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1077 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1078 if (bio_c_out != NULL)
1079 {
1080 BIO_free(bio_c_out);
1081 bio_c_out=NULL;
1082 }
1083 apps_shutdown();
1084 OPENSSL_EXIT(ret);
1085 }
1086
1087
print_stuff(BIO * bio,SSL * s,int full)1088 static void print_stuff(BIO *bio, SSL *s, int full)
1089 {
1090 X509 *peer=NULL;
1091 char *p;
1092 static const char *space=" ";
1093 char buf[BUFSIZ];
1094 STACK_OF(X509) *sk;
1095 STACK_OF(X509_NAME) *sk2;
1096 SSL_CIPHER *c;
1097 X509_NAME *xn;
1098 int j,i;
1099 #ifndef OPENSSL_NO_COMP
1100 const COMP_METHOD *comp, *expansion;
1101 #endif
1102
1103 if (full)
1104 {
1105 int got_a_chain = 0;
1106
1107 sk=SSL_get_peer_cert_chain(s);
1108 if (sk != NULL)
1109 {
1110 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1111
1112 BIO_printf(bio,"---\nCertificate chain\n");
1113 for (i=0; i<sk_X509_num(sk); i++)
1114 {
1115 X509_NAME_oneline(X509_get_subject_name(
1116 sk_X509_value(sk,i)),buf,sizeof buf);
1117 BIO_printf(bio,"%2d s:%s\n",i,buf);
1118 X509_NAME_oneline(X509_get_issuer_name(
1119 sk_X509_value(sk,i)),buf,sizeof buf);
1120 BIO_printf(bio," i:%s\n",buf);
1121 if (c_showcerts)
1122 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1123 }
1124 }
1125
1126 BIO_printf(bio,"---\n");
1127 peer=SSL_get_peer_certificate(s);
1128 if (peer != NULL)
1129 {
1130 BIO_printf(bio,"Server certificate\n");
1131 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1132 PEM_write_bio_X509(bio,peer);
1133 X509_NAME_oneline(X509_get_subject_name(peer),
1134 buf,sizeof buf);
1135 BIO_printf(bio,"subject=%s\n",buf);
1136 X509_NAME_oneline(X509_get_issuer_name(peer),
1137 buf,sizeof buf);
1138 BIO_printf(bio,"issuer=%s\n",buf);
1139 }
1140 else
1141 BIO_printf(bio,"no peer certificate available\n");
1142
1143 sk2=SSL_get_client_CA_list(s);
1144 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1145 {
1146 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1147 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1148 {
1149 xn=sk_X509_NAME_value(sk2,i);
1150 X509_NAME_oneline(xn,buf,sizeof(buf));
1151 BIO_write(bio,buf,strlen(buf));
1152 BIO_write(bio,"\n",1);
1153 }
1154 }
1155 else
1156 {
1157 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1158 }
1159 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1160 if (p != NULL)
1161 {
1162 /* This works only for SSL 2. In later protocol
1163 * versions, the client does not know what other
1164 * ciphers (in addition to the one to be used
1165 * in the current connection) the server supports. */
1166
1167 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1168 j=i=0;
1169 while (*p)
1170 {
1171 if (*p == ':')
1172 {
1173 BIO_write(bio,space,15-j%25);
1174 i++;
1175 j=0;
1176 BIO_write(bio,((i%3)?" ":"\n"),1);
1177 }
1178 else
1179 {
1180 BIO_write(bio,p,1);
1181 j++;
1182 }
1183 p++;
1184 }
1185 BIO_write(bio,"\n",1);
1186 }
1187
1188 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1189 BIO_number_read(SSL_get_rbio(s)),
1190 BIO_number_written(SSL_get_wbio(s)));
1191 }
1192 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1193 c=SSL_get_current_cipher(s);
1194 BIO_printf(bio,"%s, Cipher is %s\n",
1195 SSL_CIPHER_get_version(c),
1196 SSL_CIPHER_get_name(c));
1197 if (peer != NULL) {
1198 EVP_PKEY *pktmp;
1199 pktmp = X509_get_pubkey(peer);
1200 BIO_printf(bio,"Server public key is %d bit\n",
1201 EVP_PKEY_bits(pktmp));
1202 EVP_PKEY_free(pktmp);
1203 }
1204 #ifndef OPENSSL_NO_COMP
1205 comp=SSL_get_current_compression(s);
1206 expansion=SSL_get_current_expansion(s);
1207 BIO_printf(bio,"Compression: %s\n",
1208 comp ? SSL_COMP_get_name(comp) : "NONE");
1209 BIO_printf(bio,"Expansion: %s\n",
1210 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1211 #endif
1212 SSL_SESSION_print(bio,SSL_get_session(s));
1213 BIO_printf(bio,"---\n");
1214 if (peer != NULL)
1215 X509_free(peer);
1216 /* flush, or debugging output gets mixed with http response */
1217 BIO_flush(bio);
1218 }
1219
1220