s_client.c revision 1.1.1.3 1 /* apps/s_client.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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) 1998-2006 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 (at) 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 (at) cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh (at) cryptsoft.com).
109 *
110 */
111 /* ====================================================================
112 * Copyright 2005 Nokia. All rights reserved.
113 *
114 * The portions of the attached software ("Contribution") is developed by
115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
116 * license.
117 *
118 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
119 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
120 * support (see RFC 4279) to OpenSSL.
121 *
122 * No patent licenses or other rights except those expressly stated in
123 * the OpenSSL open source license shall be deemed granted or received
124 * expressly, by implication, estoppel, or otherwise.
125 *
126 * No assurances are provided by Nokia that the Contribution does not
127 * infringe the patent or other intellectual property rights of any third
128 * party or that the license provides you with all the necessary rights
129 * to make use of the Contribution.
130 *
131 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
132 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
133 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
134 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
135 * OTHERWISE.
136 */
137
138 #include <assert.h>
139 #include <ctype.h>
140 #include <stdio.h>
141 #include <stdlib.h>
142 #include <string.h>
143 #include <openssl/e_os2.h>
144 #ifdef OPENSSL_NO_STDIO
145 #define APPS_WIN16
146 #endif
147
148 /* With IPv6, it looks like Digital has mixed up the proper order of
149 recursive header file inclusion, resulting in the compiler complaining
150 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
151 is needed to have fileno() declared correctly... So let's define u_int */
152 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
153 #define __U_INT
154 typedef unsigned int u_int;
155 #endif
156
157 #define USE_SOCKETS
158 #include "apps.h"
159 #include <openssl/x509.h>
160 #include <openssl/ssl.h>
161 #include <openssl/err.h>
162 #include <openssl/pem.h>
163 #include <openssl/rand.h>
164 #include <openssl/ocsp.h>
165 #include <openssl/bn.h>
166 #ifndef OPENSSL_NO_SRP
167 #include <openssl/srp.h>
168 #endif
169 #include "s_apps.h"
170 #include "timeouts.h"
171
172 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
173 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
174 #undef FIONBIO
175 #endif
176
177 #if defined(OPENSSL_SYS_BEOS_R5)
178 #include <fcntl.h>
179 #endif
180
181 #undef PROG
182 #define PROG s_client_main
183
184 /*#define SSL_HOST_NAME "www.netscape.com" */
185 /*#define SSL_HOST_NAME "193.118.187.102" */
186 #define SSL_HOST_NAME "localhost"
187
188 /*#define TEST_CERT "client.pem" */ /* no default cert. */
189
190 #undef BUFSIZZ
191 #define BUFSIZZ 1024*8
192
193 extern int verify_depth;
194 extern int verify_error;
195 extern int verify_return_error;
196
197 #ifdef FIONBIO
198 static int c_nbio=0;
199 #endif
200 static int c_Pause=0;
201 static int c_debug=0;
202 #ifndef OPENSSL_NO_TLSEXT
203 static int c_tlsextdebug=0;
204 static int c_status_req=0;
205 #endif
206 static int c_msg=0;
207 static int c_showcerts=0;
208
209 static void sc_usage(void);
210 static void print_stuff(BIO *berr,SSL *con,int full);
211 #ifndef OPENSSL_NO_TLSEXT
212 static int ocsp_resp_cb(SSL *s, void *arg);
213 #endif
214 static BIO *bio_c_out=NULL;
215 static int c_quiet=0;
216 static int c_ign_eof=0;
217
218 #ifndef OPENSSL_NO_PSK
219 /* Default PSK identity and key */
220 static char *psk_identity="Client_identity";
221 /*char *psk_key=NULL; by default PSK is not used */
222
223 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
224 unsigned int max_identity_len, unsigned char *psk,
225 unsigned int max_psk_len)
226 {
227 unsigned int psk_len = 0;
228 int ret;
229 BIGNUM *bn=NULL;
230
231 if (c_debug)
232 BIO_printf(bio_c_out, "psk_client_cb\n");
233 if (!hint)
234 {
235 /* no ServerKeyExchange message*/
236 if (c_debug)
237 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
238 }
239 else if (c_debug)
240 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
241
242 /* lookup PSK identity and PSK key based on the given identity hint here */
243 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
244 if (ret < 0 || (unsigned int)ret > max_identity_len)
245 goto out_err;
246 if (c_debug)
247 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
248 ret=BN_hex2bn(&bn, psk_key);
249 if (!ret)
250 {
251 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
252 if (bn)
253 BN_free(bn);
254 return 0;
255 }
256
257 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
258 {
259 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
260 max_psk_len, BN_num_bytes(bn));
261 BN_free(bn);
262 return 0;
263 }
264
265 psk_len=BN_bn2bin(bn, psk);
266 BN_free(bn);
267 if (psk_len == 0)
268 goto out_err;
269
270 if (c_debug)
271 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
272
273 return psk_len;
274 out_err:
275 if (c_debug)
276 BIO_printf(bio_err, "Error in PSK client callback\n");
277 return 0;
278 }
279 #endif
280
281 static void sc_usage(void)
282 {
283 BIO_printf(bio_err,"usage: s_client args\n");
284 BIO_printf(bio_err,"\n");
285 BIO_printf(bio_err," -host host - use -connect instead\n");
286 BIO_printf(bio_err," -port port - use -connect instead\n");
287 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
288
289 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
290 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
291 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
292 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
293 BIO_printf(bio_err," not specified but cert file is.\n");
294 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
295 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
296 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
297 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
298 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
299 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
300 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
301 BIO_printf(bio_err," -debug - extra output\n");
302 #ifdef WATT32
303 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
304 #endif
305 BIO_printf(bio_err," -msg - Show protocol messages\n");
306 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
307 BIO_printf(bio_err," -state - print the 'ssl' states\n");
308 #ifdef FIONBIO
309 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
310 #endif
311 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
312 BIO_printf(bio_err," -quiet - no s_client output\n");
313 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
314 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
315 #ifndef OPENSSL_NO_PSK
316 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
317 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
318 # ifndef OPENSSL_NO_JPAKE
319 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
320 # endif
321 #endif
322 #ifndef OPENSSL_NO_SRP
323 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
324 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
325 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
326 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
327 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
328 #endif
329 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
330 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
331 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n");
332 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n");
333 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
334 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
335 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
336 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
337 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
338 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
339 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
340 BIO_printf(bio_err," command to see what is available\n");
341 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
342 BIO_printf(bio_err," for those protocols that support it, where\n");
343 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
344 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
345 BIO_printf(bio_err," are supported.\n");
346 #ifndef OPENSSL_NO_ENGINE
347 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
348 #endif
349 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
350 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
351 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
352 #ifndef OPENSSL_NO_TLSEXT
353 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
354 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
355 BIO_printf(bio_err," -status - request certificate status from server\n");
356 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
357 #endif
358 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
359 }
360
361 #ifndef OPENSSL_NO_TLSEXT
362
363 /* This is a context that we pass to callbacks */
364 typedef struct tlsextctx_st {
365 BIO * biodebug;
366 int ack;
367 } tlsextctx;
368
369
370 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
371 {
372 tlsextctx * p = (tlsextctx *) arg;
373 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
374 if (SSL_get_servername_type(s) != -1)
375 p->ack = !SSL_session_reused(s) && hn != NULL;
376 else
377 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
378
379 return SSL_TLSEXT_ERR_OK;
380 }
381
382 #ifndef OPENSSL_NO_SRP
383
384 /* This is a context that we pass to all callbacks */
385 typedef struct srp_arg_st
386 {
387 char *srppassin;
388 char *srplogin;
389 int msg; /* copy from c_msg */
390 int debug; /* copy from c_debug */
391 int amp; /* allow more groups */
392 int strength /* minimal size for N */ ;
393 } SRP_ARG;
394
395 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
396
397 static int SRP_Verify_N_and_g(BIGNUM *N, BIGNUM *g)
398 {
399 BN_CTX *bn_ctx = BN_CTX_new();
400 BIGNUM *p = BN_new();
401 BIGNUM *r = BN_new();
402 int ret =
403 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
404 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
405 p != NULL && BN_rshift1(p, N) &&
406
407 /* p = (N-1)/2 */
408 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
409 r != NULL &&
410
411 /* verify g^((N-1)/2) == -1 (mod N) */
412 BN_mod_exp(r, g, p, N, bn_ctx) &&
413 BN_add_word(r, 1) &&
414 BN_cmp(r, N) == 0;
415
416 if(r)
417 BN_free(r);
418 if(p)
419 BN_free(p);
420 if(bn_ctx)
421 BN_CTX_free(bn_ctx);
422 return ret;
423 }
424
425 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
426 {
427 SRP_ARG *srp_arg = (SRP_ARG *)arg;
428 BIGNUM *N = NULL, *g = NULL;
429 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
430 return 0;
431 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
432 {
433 BIO_printf(bio_err, "SRP parameters:\n");
434 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
435 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
436 BIO_printf(bio_err,"\n");
437 }
438
439 if (SRP_check_known_gN_param(g,N))
440 return 1;
441
442 if (srp_arg->amp == 1)
443 {
444 if (srp_arg->debug)
445 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
446
447 /* The srp_moregroups must be used with caution, testing primes costs time.
448 Implementors should rather add the value to the known ones.
449 The minimal size has already been tested.
450 */
451 if (BN_num_bits(g) <= BN_BITS && SRP_Verify_N_and_g(N,g))
452 return 1;
453 }
454 BIO_printf(bio_err, "SRP param N and g rejected.\n");
455 return 0;
456 }
457
458 #define PWD_STRLEN 1024
459
460 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
461 {
462 SRP_ARG *srp_arg = (SRP_ARG *)arg;
463 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
464 PW_CB_DATA cb_tmp;
465 int l;
466
467 cb_tmp.password = (char *)srp_arg->srppassin;
468 cb_tmp.prompt_info = "SRP user";
469 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
470 {
471 BIO_printf (bio_err, "Can't read Password\n");
472 OPENSSL_free(pass);
473 return NULL;
474 }
475 *(pass+l)= '\0';
476
477 return pass;
478 }
479
480 static char * MS_CALLBACK missing_srp_username_callback(SSL *s, void *arg)
481 {
482 SRP_ARG *srp_arg = (SRP_ARG *)arg;
483 return BUF_strdup(srp_arg->srplogin);
484 }
485
486 #endif
487 #endif
488
489 enum
490 {
491 PROTO_OFF = 0,
492 PROTO_SMTP,
493 PROTO_POP3,
494 PROTO_IMAP,
495 PROTO_FTP,
496 PROTO_XMPP
497 };
498
499 int MAIN(int, char **);
500
501 int MAIN(int argc, char **argv)
502 {
503 unsigned int off=0, clr=0;
504 SSL *con=NULL;
505 #ifndef OPENSSL_NO_KRB5
506 KSSL_CTX *kctx;
507 #endif
508 int s,k,width,state=0;
509 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
510 int cbuf_len,cbuf_off;
511 int sbuf_len,sbuf_off;
512 fd_set readfds,writefds;
513 short port=PORT;
514 int full_log=1;
515 char *host=SSL_HOST_NAME;
516 char *cert_file=NULL,*key_file=NULL;
517 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
518 char *passarg = NULL, *pass = NULL;
519 X509 *cert = NULL;
520 EVP_PKEY *key = NULL;
521 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
522 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
523 int crlf=0;
524 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
525 SSL_CTX *ctx=NULL;
526 int ret=1,in_init=1,i,nbio_test=0;
527 int starttls_proto = PROTO_OFF;
528 int prexit = 0;
529 X509_VERIFY_PARAM *vpm = NULL;
530 int badarg = 0;
531 const SSL_METHOD *meth=NULL;
532 int socket_type=SOCK_STREAM;
533 BIO *sbio;
534 char *inrand=NULL;
535 int mbuf_len=0;
536 struct timeval timeout, *timeoutp;
537 #ifndef OPENSSL_NO_ENGINE
538 char *engine_id=NULL;
539 char *ssl_client_engine_id=NULL;
540 ENGINE *ssl_client_engine=NULL;
541 #endif
542 ENGINE *e=NULL;
543 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
544 struct timeval tv;
545 #if defined(OPENSSL_SYS_BEOS_R5)
546 int stdin_set = 0;
547 #endif
548 #endif
549 #ifndef OPENSSL_NO_TLSEXT
550 char *servername = NULL;
551 tlsextctx tlsextcbp =
552 {NULL,0};
553 #endif
554 char *sess_in = NULL;
555 char *sess_out = NULL;
556 struct sockaddr peer;
557 int peerlen = sizeof(peer);
558 int enable_timeouts = 0 ;
559 long socket_mtu = 0;
560 #ifndef OPENSSL_NO_JPAKE
561 char *jpake_secret = NULL;
562 #endif
563 #ifndef OPENSSL_NO_SRP
564 char * srppass = NULL;
565 int srp_lateuser = 0;
566 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
567 #endif
568
569 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
570 meth=SSLv23_client_method();
571 #elif !defined(OPENSSL_NO_SSL3)
572 meth=SSLv3_client_method();
573 #elif !defined(OPENSSL_NO_SSL2)
574 meth=SSLv2_client_method();
575 #endif
576
577 apps_startup();
578 c_Pause=0;
579 c_quiet=0;
580 c_ign_eof=0;
581 c_debug=0;
582 c_msg=0;
583 c_showcerts=0;
584
585 if (bio_err == NULL)
586 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
587
588 if (!load_config(bio_err, NULL))
589 goto end;
590
591 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
592 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
593 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
594 {
595 BIO_printf(bio_err,"out of memory\n");
596 goto end;
597 }
598
599 verify_depth=0;
600 verify_error=X509_V_OK;
601 #ifdef FIONBIO
602 c_nbio=0;
603 #endif
604
605 argc--;
606 argv++;
607 while (argc >= 1)
608 {
609 if (strcmp(*argv,"-host") == 0)
610 {
611 if (--argc < 1) goto bad;
612 host= *(++argv);
613 }
614 else if (strcmp(*argv,"-port") == 0)
615 {
616 if (--argc < 1) goto bad;
617 port=atoi(*(++argv));
618 if (port == 0) goto bad;
619 }
620 else if (strcmp(*argv,"-connect") == 0)
621 {
622 if (--argc < 1) goto bad;
623 if (!extract_host_port(*(++argv),&host,NULL,&port))
624 goto bad;
625 }
626 else if (strcmp(*argv,"-verify") == 0)
627 {
628 verify=SSL_VERIFY_PEER;
629 if (--argc < 1) goto bad;
630 verify_depth=atoi(*(++argv));
631 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
632 }
633 else if (strcmp(*argv,"-cert") == 0)
634 {
635 if (--argc < 1) goto bad;
636 cert_file= *(++argv);
637 }
638 else if (strcmp(*argv,"-sess_out") == 0)
639 {
640 if (--argc < 1) goto bad;
641 sess_out = *(++argv);
642 }
643 else if (strcmp(*argv,"-sess_in") == 0)
644 {
645 if (--argc < 1) goto bad;
646 sess_in = *(++argv);
647 }
648 else if (strcmp(*argv,"-certform") == 0)
649 {
650 if (--argc < 1) goto bad;
651 cert_format = str2fmt(*(++argv));
652 }
653 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
654 {
655 if (badarg)
656 goto bad;
657 continue;
658 }
659 else if (strcmp(*argv,"-verify_return_error") == 0)
660 verify_return_error = 1;
661 else if (strcmp(*argv,"-prexit") == 0)
662 prexit=1;
663 else if (strcmp(*argv,"-crlf") == 0)
664 crlf=1;
665 else if (strcmp(*argv,"-quiet") == 0)
666 {
667 c_quiet=1;
668 c_ign_eof=1;
669 }
670 else if (strcmp(*argv,"-ign_eof") == 0)
671 c_ign_eof=1;
672 else if (strcmp(*argv,"-no_ign_eof") == 0)
673 c_ign_eof=0;
674 else if (strcmp(*argv,"-pause") == 0)
675 c_Pause=1;
676 else if (strcmp(*argv,"-debug") == 0)
677 c_debug=1;
678 #ifndef OPENSSL_NO_TLSEXT
679 else if (strcmp(*argv,"-tlsextdebug") == 0)
680 c_tlsextdebug=1;
681 else if (strcmp(*argv,"-status") == 0)
682 c_status_req=1;
683 #endif
684 #ifdef WATT32
685 else if (strcmp(*argv,"-wdebug") == 0)
686 dbug_init();
687 #endif
688 else if (strcmp(*argv,"-msg") == 0)
689 c_msg=1;
690 else if (strcmp(*argv,"-showcerts") == 0)
691 c_showcerts=1;
692 else if (strcmp(*argv,"-nbio_test") == 0)
693 nbio_test=1;
694 else if (strcmp(*argv,"-state") == 0)
695 state=1;
696 #ifndef OPENSSL_NO_PSK
697 else if (strcmp(*argv,"-psk_identity") == 0)
698 {
699 if (--argc < 1) goto bad;
700 psk_identity=*(++argv);
701 }
702 else if (strcmp(*argv,"-psk") == 0)
703 {
704 size_t j;
705
706 if (--argc < 1) goto bad;
707 psk_key=*(++argv);
708 for (j = 0; j < strlen(psk_key); j++)
709 {
710 if (isxdigit((int)psk_key[j]))
711 continue;
712 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
713 goto bad;
714 }
715 }
716 #endif
717 #ifndef OPENSSL_NO_SRP
718 else if (strcmp(*argv,"-srpuser") == 0)
719 {
720 if (--argc < 1) goto bad;
721 srp_arg.srplogin= *(++argv);
722 meth=TLSv1_client_method();
723 }
724 else if (strcmp(*argv,"-srppass") == 0)
725 {
726 if (--argc < 1) goto bad;
727 srppass= *(++argv);
728 meth=TLSv1_client_method();
729 }
730 else if (strcmp(*argv,"-srp_strength") == 0)
731 {
732 if (--argc < 1) goto bad;
733 srp_arg.strength=atoi(*(++argv));
734 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
735 meth=TLSv1_client_method();
736 }
737 else if (strcmp(*argv,"-srp_lateuser") == 0)
738 {
739 srp_lateuser= 1;
740 meth=TLSv1_client_method();
741 }
742 else if (strcmp(*argv,"-srp_moregroups") == 0)
743 {
744 srp_arg.amp=1;
745 meth=TLSv1_client_method();
746 }
747 #endif
748 #ifndef OPENSSL_NO_SSL2
749 else if (strcmp(*argv,"-ssl2") == 0)
750 meth=SSLv2_client_method();
751 #endif
752 #ifndef OPENSSL_NO_SSL3
753 else if (strcmp(*argv,"-ssl3") == 0)
754 meth=SSLv3_client_method();
755 #endif
756 #ifndef OPENSSL_NO_TLS1
757 else if (strcmp(*argv,"-tls1_2") == 0)
758 meth=TLSv1_2_client_method();
759 else if (strcmp(*argv,"-tls1_1") == 0)
760 meth=TLSv1_1_client_method();
761 else if (strcmp(*argv,"-tls1") == 0)
762 meth=TLSv1_client_method();
763 #endif
764 #ifndef OPENSSL_NO_DTLS1
765 else if (strcmp(*argv,"-dtls1") == 0)
766 {
767 meth=DTLSv1_client_method();
768 socket_type=SOCK_DGRAM;
769 }
770 else if (strcmp(*argv,"-timeout") == 0)
771 enable_timeouts=1;
772 else if (strcmp(*argv,"-mtu") == 0)
773 {
774 if (--argc < 1) goto bad;
775 socket_mtu = atol(*(++argv));
776 }
777 #endif
778 else if (strcmp(*argv,"-bugs") == 0)
779 bugs=1;
780 else if (strcmp(*argv,"-keyform") == 0)
781 {
782 if (--argc < 1) goto bad;
783 key_format = str2fmt(*(++argv));
784 }
785 else if (strcmp(*argv,"-pass") == 0)
786 {
787 if (--argc < 1) goto bad;
788 passarg = *(++argv);
789 }
790 else if (strcmp(*argv,"-key") == 0)
791 {
792 if (--argc < 1) goto bad;
793 key_file= *(++argv);
794 }
795 else if (strcmp(*argv,"-reconnect") == 0)
796 {
797 reconnect=5;
798 }
799 else if (strcmp(*argv,"-CApath") == 0)
800 {
801 if (--argc < 1) goto bad;
802 CApath= *(++argv);
803 }
804 else if (strcmp(*argv,"-CAfile") == 0)
805 {
806 if (--argc < 1) goto bad;
807 CAfile= *(++argv);
808 }
809 else if (strcmp(*argv,"-no_tls1_2") == 0)
810 off|=SSL_OP_NO_TLSv1_2;
811 else if (strcmp(*argv,"-no_tls1_1") == 0)
812 off|=SSL_OP_NO_TLSv1_1;
813 else if (strcmp(*argv,"-no_tls1") == 0)
814 off|=SSL_OP_NO_TLSv1;
815 else if (strcmp(*argv,"-no_ssl3") == 0)
816 off|=SSL_OP_NO_SSLv3;
817 else if (strcmp(*argv,"-no_ssl2") == 0)
818 off|=SSL_OP_NO_SSLv2;
819 else if (strcmp(*argv,"-no_comp") == 0)
820 { off|=SSL_OP_NO_COMPRESSION; }
821 #ifndef OPENSSL_NO_TLSEXT
822 else if (strcmp(*argv,"-no_ticket") == 0)
823 { off|=SSL_OP_NO_TICKET; }
824 #endif
825 else if (strcmp(*argv,"-serverpref") == 0)
826 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
827 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
828 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
829 else if (strcmp(*argv,"-legacy_server_connect") == 0)
830 { off|=SSL_OP_LEGACY_SERVER_CONNECT; }
831 else if (strcmp(*argv,"-no_legacy_server_connect") == 0)
832 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
833 else if (strcmp(*argv,"-cipher") == 0)
834 {
835 if (--argc < 1) goto bad;
836 cipher= *(++argv);
837 }
838 #ifdef FIONBIO
839 else if (strcmp(*argv,"-nbio") == 0)
840 { c_nbio=1; }
841 #endif
842 else if (strcmp(*argv,"-starttls") == 0)
843 {
844 if (--argc < 1) goto bad;
845 ++argv;
846 if (strcmp(*argv,"smtp") == 0)
847 starttls_proto = PROTO_SMTP;
848 else if (strcmp(*argv,"pop3") == 0)
849 starttls_proto = PROTO_POP3;
850 else if (strcmp(*argv,"imap") == 0)
851 starttls_proto = PROTO_IMAP;
852 else if (strcmp(*argv,"ftp") == 0)
853 starttls_proto = PROTO_FTP;
854 else if (strcmp(*argv, "xmpp") == 0)
855 starttls_proto = PROTO_XMPP;
856 else
857 goto bad;
858 }
859 #ifndef OPENSSL_NO_ENGINE
860 else if (strcmp(*argv,"-engine") == 0)
861 {
862 if (--argc < 1) goto bad;
863 engine_id = *(++argv);
864 }
865 else if (strcmp(*argv,"-ssl_client_engine") == 0)
866 {
867 if (--argc < 1) goto bad;
868 ssl_client_engine_id = *(++argv);
869 }
870 #endif
871 else if (strcmp(*argv,"-rand") == 0)
872 {
873 if (--argc < 1) goto bad;
874 inrand= *(++argv);
875 }
876 #ifndef OPENSSL_NO_TLSEXT
877 else if (strcmp(*argv,"-servername") == 0)
878 {
879 if (--argc < 1) goto bad;
880 servername= *(++argv);
881 /* meth=TLSv1_client_method(); */
882 }
883 #endif
884 #ifndef OPENSSL_NO_JPAKE
885 else if (strcmp(*argv,"-jpake") == 0)
886 {
887 if (--argc < 1) goto bad;
888 jpake_secret = *++argv;
889 }
890 #endif
891 else
892 {
893 BIO_printf(bio_err,"unknown option %s\n",*argv);
894 badop=1;
895 break;
896 }
897 argc--;
898 argv++;
899 }
900 if (badop)
901 {
902 bad:
903 sc_usage();
904 goto end;
905 }
906
907 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
908 if (jpake_secret)
909 {
910 if (psk_key)
911 {
912 BIO_printf(bio_err,
913 "Can't use JPAKE and PSK together\n");
914 goto end;
915 }
916 psk_identity = "JPAKE";
917 }
918
919 if (cipher)
920 {
921 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
922 goto end;
923 }
924 cipher = "PSK";
925 #endif
926
927 OpenSSL_add_ssl_algorithms();
928 SSL_load_error_strings();
929
930 #ifndef OPENSSL_NO_ENGINE
931 e = setup_engine(bio_err, engine_id, 1);
932 if (ssl_client_engine_id)
933 {
934 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
935 if (!ssl_client_engine)
936 {
937 BIO_printf(bio_err,
938 "Error getting client auth engine\n");
939 goto end;
940 }
941 }
942
943 #endif
944 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
945 {
946 BIO_printf(bio_err, "Error getting password\n");
947 goto end;
948 }
949
950 if (key_file == NULL)
951 key_file = cert_file;
952
953
954 if (key_file)
955
956 {
957
958 key = load_key(bio_err, key_file, key_format, 0, pass, e,
959 "client certificate private key file");
960 if (!key)
961 {
962 ERR_print_errors(bio_err);
963 goto end;
964 }
965
966 }
967
968 if (cert_file)
969
970 {
971 cert = load_cert(bio_err,cert_file,cert_format,
972 NULL, e, "client certificate file");
973
974 if (!cert)
975 {
976 ERR_print_errors(bio_err);
977 goto end;
978 }
979 }
980
981 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
982 && !RAND_status())
983 {
984 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
985 }
986 if (inrand != NULL)
987 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
988 app_RAND_load_files(inrand));
989
990 if (bio_c_out == NULL)
991 {
992 if (c_quiet && !c_debug && !c_msg)
993 {
994 bio_c_out=BIO_new(BIO_s_null());
995 }
996 else
997 {
998 if (bio_c_out == NULL)
999 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1000 }
1001 }
1002
1003 #ifndef OPENSSL_NO_SRP
1004 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1005 {
1006 BIO_printf(bio_err, "Error getting password\n");
1007 goto end;
1008 }
1009 #endif
1010
1011 ctx=SSL_CTX_new(meth);
1012 if (ctx == NULL)
1013 {
1014 ERR_print_errors(bio_err);
1015 goto end;
1016 }
1017
1018 if (vpm)
1019 SSL_CTX_set1_param(ctx, vpm);
1020
1021 #ifndef OPENSSL_NO_ENGINE
1022 if (ssl_client_engine)
1023 {
1024 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1025 {
1026 BIO_puts(bio_err, "Error setting client auth engine\n");
1027 ERR_print_errors(bio_err);
1028 ENGINE_free(ssl_client_engine);
1029 goto end;
1030 }
1031 ENGINE_free(ssl_client_engine);
1032 }
1033 #endif
1034
1035 #ifndef OPENSSL_NO_PSK
1036 #ifdef OPENSSL_NO_JPAKE
1037 if (psk_key != NULL)
1038 #else
1039 if (psk_key != NULL || jpake_secret)
1040 #endif
1041 {
1042 if (c_debug)
1043 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1044 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1045 }
1046 #endif
1047 /* HACK while TLS v1.2 is disabled by default */
1048 if (!(off & SSL_OP_NO_TLSv1_2))
1049 SSL_CTX_clear_options(ctx, SSL_OP_NO_TLSv1_2);
1050 if (bugs)
1051 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
1052 else
1053 SSL_CTX_set_options(ctx,off);
1054
1055 if (clr)
1056 SSL_CTX_clear_options(ctx, clr);
1057 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1058 * Setting read ahead solves this problem.
1059 */
1060 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1061
1062 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1063 if (cipher != NULL)
1064 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
1065 BIO_printf(bio_err,"error setting cipher list\n");
1066 ERR_print_errors(bio_err);
1067 goto end;
1068 }
1069 #if 0
1070 else
1071 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1072 #endif
1073
1074 SSL_CTX_set_verify(ctx,verify,verify_callback);
1075 if (!set_cert_key_stuff(ctx,cert,key))
1076 goto end;
1077
1078 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1079 (!SSL_CTX_set_default_verify_paths(ctx)))
1080 {
1081 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1082 ERR_print_errors(bio_err);
1083 /* goto end; */
1084 }
1085
1086 #ifndef OPENSSL_NO_TLSEXT
1087 if (servername != NULL)
1088 {
1089 tlsextcbp.biodebug = bio_err;
1090 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1091 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1092 }
1093 #ifndef OPENSSL_NO_SRP
1094 if (srp_arg.srplogin)
1095 {
1096 if (srp_lateuser)
1097 SSL_CTX_set_srp_missing_srp_username_callback(ctx,missing_srp_username_callback);
1098 else if (!SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1099 {
1100 BIO_printf(bio_err,"Unable to set SRP username\n");
1101 goto end;
1102 }
1103 srp_arg.msg = c_msg;
1104 srp_arg.debug = c_debug ;
1105 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1106 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1107 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1108 if (c_msg || c_debug || srp_arg.amp == 0)
1109 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1110 }
1111
1112 #endif
1113 #endif
1114
1115 con=SSL_new(ctx);
1116 if (sess_in)
1117 {
1118 SSL_SESSION *sess;
1119 BIO *stmp = BIO_new_file(sess_in, "r");
1120 if (!stmp)
1121 {
1122 BIO_printf(bio_err, "Can't open session file %s\n",
1123 sess_in);
1124 ERR_print_errors(bio_err);
1125 goto end;
1126 }
1127 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1128 BIO_free(stmp);
1129 if (!sess)
1130 {
1131 BIO_printf(bio_err, "Can't open session file %s\n",
1132 sess_in);
1133 ERR_print_errors(bio_err);
1134 goto end;
1135 }
1136 SSL_set_session(con, sess);
1137 SSL_SESSION_free(sess);
1138 }
1139 #ifndef OPENSSL_NO_TLSEXT
1140 if (servername != NULL)
1141 {
1142 if (!SSL_set_tlsext_host_name(con,servername))
1143 {
1144 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1145 ERR_print_errors(bio_err);
1146 goto end;
1147 }
1148 }
1149 #endif
1150 #ifndef OPENSSL_NO_KRB5
1151 if (con && (kctx = kssl_ctx_new()) != NULL)
1152 {
1153 SSL_set0_kssl_ctx(con, kctx);
1154 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1155 }
1156 #endif /* OPENSSL_NO_KRB5 */
1157 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1158 #if 0
1159 #ifdef TLSEXT_TYPE_opaque_prf_input
1160 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1161 #endif
1162 #endif
1163
1164 re_start:
1165
1166 if (init_client(&s,host,port,socket_type) == 0)
1167 {
1168 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1169 SHUTDOWN(s);
1170 goto end;
1171 }
1172 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1173
1174 #ifdef FIONBIO
1175 if (c_nbio)
1176 {
1177 unsigned long l=1;
1178 BIO_printf(bio_c_out,"turning on non blocking io\n");
1179 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1180 {
1181 ERR_print_errors(bio_err);
1182 goto end;
1183 }
1184 }
1185 #endif
1186 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1187
1188 if ( SSL_version(con) == DTLS1_VERSION)
1189 {
1190
1191 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1192 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1193 {
1194 BIO_printf(bio_err, "getsockname:errno=%d\n",
1195 get_last_socket_error());
1196 SHUTDOWN(s);
1197 goto end;
1198 }
1199
1200 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1201
1202 if (enable_timeouts)
1203 {
1204 timeout.tv_sec = 0;
1205 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1206 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1207
1208 timeout.tv_sec = 0;
1209 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1210 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1211 }
1212
1213 if (socket_mtu > 28)
1214 {
1215 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1216 SSL_set_mtu(con, socket_mtu - 28);
1217 }
1218 else
1219 /* want to do MTU discovery */
1220 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1221 }
1222 else
1223 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1224
1225 if (nbio_test)
1226 {
1227 BIO *test;
1228
1229 test=BIO_new(BIO_f_nbio_test());
1230 sbio=BIO_push(test,sbio);
1231 }
1232
1233 if (c_debug)
1234 {
1235 SSL_set_debug(con, 1);
1236 BIO_set_callback(sbio,bio_dump_callback);
1237 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1238 }
1239 if (c_msg)
1240 {
1241 SSL_set_msg_callback(con, msg_cb);
1242 SSL_set_msg_callback_arg(con, bio_c_out);
1243 }
1244 #ifndef OPENSSL_NO_TLSEXT
1245 if (c_tlsextdebug)
1246 {
1247 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1248 SSL_set_tlsext_debug_arg(con, bio_c_out);
1249 }
1250 if (c_status_req)
1251 {
1252 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1253 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1254 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1255 #if 0
1256 {
1257 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1258 OCSP_RESPID *id = OCSP_RESPID_new();
1259 id->value.byKey = ASN1_OCTET_STRING_new();
1260 id->type = V_OCSP_RESPID_KEY;
1261 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1262 sk_OCSP_RESPID_push(ids, id);
1263 SSL_set_tlsext_status_ids(con, ids);
1264 }
1265 #endif
1266 }
1267 #endif
1268 #ifndef OPENSSL_NO_JPAKE
1269 if (jpake_secret)
1270 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1271 #endif
1272
1273 SSL_set_bio(con,sbio,sbio);
1274 SSL_set_connect_state(con);
1275
1276 /* ok, lets connect */
1277 width=SSL_get_fd(con)+1;
1278
1279 read_tty=1;
1280 write_tty=0;
1281 tty_on=0;
1282 read_ssl=1;
1283 write_ssl=1;
1284
1285 cbuf_len=0;
1286 cbuf_off=0;
1287 sbuf_len=0;
1288 sbuf_off=0;
1289
1290 /* This is an ugly hack that does a lot of assumptions */
1291 /* We do have to handle multi-line responses which may come
1292 in a single packet or not. We therefore have to use
1293 BIO_gets() which does need a buffering BIO. So during
1294 the initial chitchat we do push a buffering BIO into the
1295 chain that is removed again later on to not disturb the
1296 rest of the s_client operation. */
1297 if (starttls_proto == PROTO_SMTP)
1298 {
1299 int foundit=0;
1300 BIO *fbio = BIO_new(BIO_f_buffer());
1301 BIO_push(fbio, sbio);
1302 /* wait for multi-line response to end from SMTP */
1303 do
1304 {
1305 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1306 }
1307 while (mbuf_len>3 && mbuf[3]=='-');
1308 /* STARTTLS command requires EHLO... */
1309 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1310 (void)BIO_flush(fbio);
1311 /* wait for multi-line response to end EHLO SMTP response */
1312 do
1313 {
1314 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1315 if (strstr(mbuf,"STARTTLS"))
1316 foundit=1;
1317 }
1318 while (mbuf_len>3 && mbuf[3]=='-');
1319 (void)BIO_flush(fbio);
1320 BIO_pop(fbio);
1321 BIO_free(fbio);
1322 if (!foundit)
1323 BIO_printf(bio_err,
1324 "didn't found starttls in server response,"
1325 " try anyway...\n");
1326 BIO_printf(sbio,"STARTTLS\r\n");
1327 BIO_read(sbio,sbuf,BUFSIZZ);
1328 }
1329 else if (starttls_proto == PROTO_POP3)
1330 {
1331 BIO_read(sbio,mbuf,BUFSIZZ);
1332 BIO_printf(sbio,"STLS\r\n");
1333 BIO_read(sbio,sbuf,BUFSIZZ);
1334 }
1335 else if (starttls_proto == PROTO_IMAP)
1336 {
1337 int foundit=0;
1338 BIO *fbio = BIO_new(BIO_f_buffer());
1339 BIO_push(fbio, sbio);
1340 BIO_gets(fbio,mbuf,BUFSIZZ);
1341 /* STARTTLS command requires CAPABILITY... */
1342 BIO_printf(fbio,". CAPABILITY\r\n");
1343 (void)BIO_flush(fbio);
1344 /* wait for multi-line CAPABILITY response */
1345 do
1346 {
1347 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1348 if (strstr(mbuf,"STARTTLS"))
1349 foundit=1;
1350 }
1351 while (mbuf_len>3 && mbuf[0]!='.');
1352 (void)BIO_flush(fbio);
1353 BIO_pop(fbio);
1354 BIO_free(fbio);
1355 if (!foundit)
1356 BIO_printf(bio_err,
1357 "didn't found STARTTLS in server response,"
1358 " try anyway...\n");
1359 BIO_printf(sbio,". STARTTLS\r\n");
1360 BIO_read(sbio,sbuf,BUFSIZZ);
1361 }
1362 else if (starttls_proto == PROTO_FTP)
1363 {
1364 BIO *fbio = BIO_new(BIO_f_buffer());
1365 BIO_push(fbio, sbio);
1366 /* wait for multi-line response to end from FTP */
1367 do
1368 {
1369 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1370 }
1371 while (mbuf_len>3 && mbuf[3]=='-');
1372 (void)BIO_flush(fbio);
1373 BIO_pop(fbio);
1374 BIO_free(fbio);
1375 BIO_printf(sbio,"AUTH TLS\r\n");
1376 BIO_read(sbio,sbuf,BUFSIZZ);
1377 }
1378 if (starttls_proto == PROTO_XMPP)
1379 {
1380 int seen = 0;
1381 BIO_printf(sbio,"<stream:stream "
1382 "xmlns:stream='http://etherx.jabber.org/streams' "
1383 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1384 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1385 mbuf[seen] = 0;
1386 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1387 {
1388 if (strstr(mbuf, "/stream:features>"))
1389 goto shut;
1390 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1391 mbuf[seen] = 0;
1392 }
1393 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1394 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1395 sbuf[seen] = 0;
1396 if (!strstr(sbuf, "<proceed"))
1397 goto shut;
1398 mbuf[0] = 0;
1399 }
1400
1401 for (;;)
1402 {
1403 FD_ZERO(&readfds);
1404 FD_ZERO(&writefds);
1405
1406 if ((SSL_version(con) == DTLS1_VERSION) &&
1407 DTLSv1_get_timeout(con, &timeout))
1408 timeoutp = &timeout;
1409 else
1410 timeoutp = NULL;
1411
1412 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1413 {
1414 in_init=1;
1415 tty_on=0;
1416 }
1417 else
1418 {
1419 tty_on=1;
1420 if (in_init)
1421 {
1422 in_init=0;
1423 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1424 #ifndef OPENSSL_NO_TLSEXT
1425 if (servername != NULL && !SSL_session_reused(con))
1426 {
1427 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1428 }
1429 #endif
1430 #endif
1431 if (sess_out)
1432 {
1433 BIO *stmp = BIO_new_file(sess_out, "w");
1434 if (stmp)
1435 {
1436 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1437 BIO_free(stmp);
1438 }
1439 else
1440 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1441 }
1442 print_stuff(bio_c_out,con,full_log);
1443 if (full_log > 0) full_log--;
1444
1445 if (starttls_proto)
1446 {
1447 BIO_printf(bio_err,"%s",mbuf);
1448 /* We don't need to know any more */
1449 starttls_proto = PROTO_OFF;
1450 }
1451
1452 if (reconnect)
1453 {
1454 reconnect--;
1455 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1456 SSL_shutdown(con);
1457 SSL_set_connect_state(con);
1458 SHUTDOWN(SSL_get_fd(con));
1459 goto re_start;
1460 }
1461 }
1462 }
1463
1464 ssl_pending = read_ssl && SSL_pending(con);
1465
1466 if (!ssl_pending)
1467 {
1468 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1469 if (tty_on)
1470 {
1471 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1472 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1473 }
1474 if (read_ssl)
1475 openssl_fdset(SSL_get_fd(con),&readfds);
1476 if (write_ssl)
1477 openssl_fdset(SSL_get_fd(con),&writefds);
1478 #else
1479 if(!tty_on || !write_tty) {
1480 if (read_ssl)
1481 openssl_fdset(SSL_get_fd(con),&readfds);
1482 if (write_ssl)
1483 openssl_fdset(SSL_get_fd(con),&writefds);
1484 }
1485 #endif
1486 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1487 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1488
1489 /* Note: under VMS with SOCKETSHR the second parameter
1490 * is currently of type (int *) whereas under other
1491 * systems it is (void *) if you don't have a cast it
1492 * will choke the compiler: if you do have a cast then
1493 * you can either go for (int *) or (void *).
1494 */
1495 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1496 /* Under Windows/DOS we make the assumption that we can
1497 * always write to the tty: therefore if we need to
1498 * write to the tty we just fall through. Otherwise
1499 * we timeout the select every second and see if there
1500 * are any keypresses. Note: this is a hack, in a proper
1501 * Windows application we wouldn't do this.
1502 */
1503 i=0;
1504 if(!write_tty) {
1505 if(read_tty) {
1506 tv.tv_sec = 1;
1507 tv.tv_usec = 0;
1508 i=select(width,(void *)&readfds,(void *)&writefds,
1509 NULL,&tv);
1510 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1511 if(!i && (!_kbhit() || !read_tty) ) continue;
1512 #else
1513 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1514 #endif
1515 } else i=select(width,(void *)&readfds,(void *)&writefds,
1516 NULL,timeoutp);
1517 }
1518 #elif defined(OPENSSL_SYS_NETWARE)
1519 if(!write_tty) {
1520 if(read_tty) {
1521 tv.tv_sec = 1;
1522 tv.tv_usec = 0;
1523 i=select(width,(void *)&readfds,(void *)&writefds,
1524 NULL,&tv);
1525 } else i=select(width,(void *)&readfds,(void *)&writefds,
1526 NULL,timeoutp);
1527 }
1528 #elif defined(OPENSSL_SYS_BEOS_R5)
1529 /* Under BeOS-R5 the situation is similar to DOS */
1530 i=0;
1531 stdin_set = 0;
1532 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1533 if(!write_tty) {
1534 if(read_tty) {
1535 tv.tv_sec = 1;
1536 tv.tv_usec = 0;
1537 i=select(width,(void *)&readfds,(void *)&writefds,
1538 NULL,&tv);
1539 if (read(fileno(stdin), sbuf, 0) >= 0)
1540 stdin_set = 1;
1541 if (!i && (stdin_set != 1 || !read_tty))
1542 continue;
1543 } else i=select(width,(void *)&readfds,(void *)&writefds,
1544 NULL,timeoutp);
1545 }
1546 (void)fcntl(fileno(stdin), F_SETFL, 0);
1547 #else
1548 i=select(width,(void *)&readfds,(void *)&writefds,
1549 NULL,timeoutp);
1550 #endif
1551 if ( i < 0)
1552 {
1553 BIO_printf(bio_err,"bad select %d\n",
1554 get_last_socket_error());
1555 goto shut;
1556 /* goto end; */
1557 }
1558 }
1559
1560 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1561 {
1562 BIO_printf(bio_err,"TIMEOUT occured\n");
1563 }
1564
1565 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1566 {
1567 k=SSL_write(con,&(cbuf[cbuf_off]),
1568 (unsigned int)cbuf_len);
1569 switch (SSL_get_error(con,k))
1570 {
1571 case SSL_ERROR_NONE:
1572 cbuf_off+=k;
1573 cbuf_len-=k;
1574 if (k <= 0) goto end;
1575 /* we have done a write(con,NULL,0); */
1576 if (cbuf_len <= 0)
1577 {
1578 read_tty=1;
1579 write_ssl=0;
1580 }
1581 else /* if (cbuf_len > 0) */
1582 {
1583 read_tty=0;
1584 write_ssl=1;
1585 }
1586 break;
1587 case SSL_ERROR_WANT_WRITE:
1588 BIO_printf(bio_c_out,"write W BLOCK\n");
1589 write_ssl=1;
1590 read_tty=0;
1591 break;
1592 case SSL_ERROR_WANT_READ:
1593 BIO_printf(bio_c_out,"write R BLOCK\n");
1594 write_tty=0;
1595 read_ssl=1;
1596 write_ssl=0;
1597 break;
1598 case SSL_ERROR_WANT_X509_LOOKUP:
1599 BIO_printf(bio_c_out,"write X BLOCK\n");
1600 break;
1601 case SSL_ERROR_ZERO_RETURN:
1602 if (cbuf_len != 0)
1603 {
1604 BIO_printf(bio_c_out,"shutdown\n");
1605 ret = 0;
1606 goto shut;
1607 }
1608 else
1609 {
1610 read_tty=1;
1611 write_ssl=0;
1612 break;
1613 }
1614
1615 case SSL_ERROR_SYSCALL:
1616 if ((k != 0) || (cbuf_len != 0))
1617 {
1618 BIO_printf(bio_err,"write:errno=%d\n",
1619 get_last_socket_error());
1620 goto shut;
1621 }
1622 else
1623 {
1624 read_tty=1;
1625 write_ssl=0;
1626 }
1627 break;
1628 case SSL_ERROR_SSL:
1629 ERR_print_errors(bio_err);
1630 goto shut;
1631 }
1632 }
1633 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1634 /* Assume Windows/DOS/BeOS can always write */
1635 else if (!ssl_pending && write_tty)
1636 #else
1637 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1638 #endif
1639 {
1640 #ifdef CHARSET_EBCDIC
1641 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1642 #endif
1643 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1644
1645 if (i <= 0)
1646 {
1647 BIO_printf(bio_c_out,"DONE\n");
1648 ret = 0;
1649 goto shut;
1650 /* goto end; */
1651 }
1652
1653 sbuf_len-=i;;
1654 sbuf_off+=i;
1655 if (sbuf_len <= 0)
1656 {
1657 read_ssl=1;
1658 write_tty=0;
1659 }
1660 }
1661 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1662 {
1663 #ifdef RENEG
1664 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1665 #endif
1666 #if 1
1667 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1668 #else
1669 /* Demo for pending and peek :-) */
1670 k=SSL_read(con,sbuf,16);
1671 { char zbuf[10240];
1672 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1673 }
1674 #endif
1675
1676 switch (SSL_get_error(con,k))
1677 {
1678 case SSL_ERROR_NONE:
1679 if (k <= 0)
1680 goto end;
1681 sbuf_off=0;
1682 sbuf_len=k;
1683
1684 read_ssl=0;
1685 write_tty=1;
1686 break;
1687 case SSL_ERROR_WANT_WRITE:
1688 BIO_printf(bio_c_out,"read W BLOCK\n");
1689 write_ssl=1;
1690 read_tty=0;
1691 break;
1692 case SSL_ERROR_WANT_READ:
1693 BIO_printf(bio_c_out,"read R BLOCK\n");
1694 write_tty=0;
1695 read_ssl=1;
1696 if ((read_tty == 0) && (write_ssl == 0))
1697 write_ssl=1;
1698 break;
1699 case SSL_ERROR_WANT_X509_LOOKUP:
1700 BIO_printf(bio_c_out,"read X BLOCK\n");
1701 break;
1702 case SSL_ERROR_SYSCALL:
1703 ret=get_last_socket_error();
1704 BIO_printf(bio_err,"read:errno=%d\n",ret);
1705 goto shut;
1706 case SSL_ERROR_ZERO_RETURN:
1707 BIO_printf(bio_c_out,"closed\n");
1708 ret=0;
1709 goto shut;
1710 case SSL_ERROR_SSL:
1711 ERR_print_errors(bio_err);
1712 goto shut;
1713 /* break; */
1714 }
1715 }
1716
1717 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1718 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1719 else if (_kbhit())
1720 #else
1721 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1722 #endif
1723 #elif defined (OPENSSL_SYS_NETWARE)
1724 else if (_kbhit())
1725 #elif defined(OPENSSL_SYS_BEOS_R5)
1726 else if (stdin_set)
1727 #else
1728 else if (FD_ISSET(fileno(stdin),&readfds))
1729 #endif
1730 {
1731 if (crlf)
1732 {
1733 int j, lf_num;
1734
1735 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1736 lf_num = 0;
1737 /* both loops are skipped when i <= 0 */
1738 for (j = 0; j < i; j++)
1739 if (cbuf[j] == '\n')
1740 lf_num++;
1741 for (j = i-1; j >= 0; j--)
1742 {
1743 cbuf[j+lf_num] = cbuf[j];
1744 if (cbuf[j] == '\n')
1745 {
1746 lf_num--;
1747 i++;
1748 cbuf[j+lf_num] = '\r';
1749 }
1750 }
1751 assert(lf_num == 0);
1752 }
1753 else
1754 i=raw_read_stdin(cbuf,BUFSIZZ);
1755
1756 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1757 {
1758 BIO_printf(bio_err,"DONE\n");
1759 ret=0;
1760 goto shut;
1761 }
1762
1763 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1764 {
1765 BIO_printf(bio_err,"RENEGOTIATING\n");
1766 SSL_renegotiate(con);
1767 cbuf_len=0;
1768 }
1769 else
1770 {
1771 cbuf_len=i;
1772 cbuf_off=0;
1773 #ifdef CHARSET_EBCDIC
1774 ebcdic2ascii(cbuf, cbuf, i);
1775 #endif
1776 }
1777
1778 write_ssl=1;
1779 read_tty=0;
1780 }
1781 }
1782
1783 ret=0;
1784 shut:
1785 if (in_init)
1786 print_stuff(bio_c_out,con,full_log);
1787 SSL_shutdown(con);
1788 SHUTDOWN(SSL_get_fd(con));
1789 end:
1790 if (con != NULL)
1791 {
1792 if (prexit != 0)
1793 print_stuff(bio_c_out,con,1);
1794 SSL_free(con);
1795 }
1796 if (ctx != NULL) SSL_CTX_free(ctx);
1797 if (cert)
1798 X509_free(cert);
1799 if (key)
1800 EVP_PKEY_free(key);
1801 if (pass)
1802 OPENSSL_free(pass);
1803 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1804 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1805 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1806 if (bio_c_out != NULL)
1807 {
1808 BIO_free(bio_c_out);
1809 bio_c_out=NULL;
1810 }
1811 apps_shutdown();
1812 OPENSSL_EXIT(ret);
1813 }
1814
1815
1816 static void print_stuff(BIO *bio, SSL *s, int full)
1817 {
1818 X509 *peer=NULL;
1819 char *p;
1820 static const char *space=" ";
1821 char buf[BUFSIZ];
1822 STACK_OF(X509) *sk;
1823 STACK_OF(X509_NAME) *sk2;
1824 const SSL_CIPHER *c;
1825 X509_NAME *xn;
1826 int j,i;
1827 #ifndef OPENSSL_NO_COMP
1828 const COMP_METHOD *comp, *expansion;
1829 #endif
1830
1831 if (full)
1832 {
1833 int got_a_chain = 0;
1834
1835 sk=SSL_get_peer_cert_chain(s);
1836 if (sk != NULL)
1837 {
1838 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1839
1840 BIO_printf(bio,"---\nCertificate chain\n");
1841 for (i=0; i<sk_X509_num(sk); i++)
1842 {
1843 X509_NAME_oneline(X509_get_subject_name(
1844 sk_X509_value(sk,i)),buf,sizeof buf);
1845 BIO_printf(bio,"%2d s:%s\n",i,buf);
1846 X509_NAME_oneline(X509_get_issuer_name(
1847 sk_X509_value(sk,i)),buf,sizeof buf);
1848 BIO_printf(bio," i:%s\n",buf);
1849 if (c_showcerts)
1850 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1851 }
1852 }
1853
1854 BIO_printf(bio,"---\n");
1855 peer=SSL_get_peer_certificate(s);
1856 if (peer != NULL)
1857 {
1858 BIO_printf(bio,"Server certificate\n");
1859 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1860 PEM_write_bio_X509(bio,peer);
1861 X509_NAME_oneline(X509_get_subject_name(peer),
1862 buf,sizeof buf);
1863 BIO_printf(bio,"subject=%s\n",buf);
1864 X509_NAME_oneline(X509_get_issuer_name(peer),
1865 buf,sizeof buf);
1866 BIO_printf(bio,"issuer=%s\n",buf);
1867 }
1868 else
1869 BIO_printf(bio,"no peer certificate available\n");
1870
1871 sk2=SSL_get_client_CA_list(s);
1872 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1873 {
1874 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1875 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1876 {
1877 xn=sk_X509_NAME_value(sk2,i);
1878 X509_NAME_oneline(xn,buf,sizeof(buf));
1879 BIO_write(bio,buf,strlen(buf));
1880 BIO_write(bio,"\n",1);
1881 }
1882 }
1883 else
1884 {
1885 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1886 }
1887 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1888 if (p != NULL)
1889 {
1890 /* This works only for SSL 2. In later protocol
1891 * versions, the client does not know what other
1892 * ciphers (in addition to the one to be used
1893 * in the current connection) the server supports. */
1894
1895 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1896 j=i=0;
1897 while (*p)
1898 {
1899 if (*p == ':')
1900 {
1901 BIO_write(bio,space,15-j%25);
1902 i++;
1903 j=0;
1904 BIO_write(bio,((i%3)?" ":"\n"),1);
1905 }
1906 else
1907 {
1908 BIO_write(bio,p,1);
1909 j++;
1910 }
1911 p++;
1912 }
1913 BIO_write(bio,"\n",1);
1914 }
1915
1916 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1917 BIO_number_read(SSL_get_rbio(s)),
1918 BIO_number_written(SSL_get_wbio(s)));
1919 }
1920 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
1921 c=SSL_get_current_cipher(s);
1922 BIO_printf(bio,"%s, Cipher is %s\n",
1923 SSL_CIPHER_get_version(c),
1924 SSL_CIPHER_get_name(c));
1925 if (peer != NULL) {
1926 EVP_PKEY *pktmp;
1927 pktmp = X509_get_pubkey(peer);
1928 BIO_printf(bio,"Server public key is %d bit\n",
1929 EVP_PKEY_bits(pktmp));
1930 EVP_PKEY_free(pktmp);
1931 }
1932 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1933 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1934 #ifndef OPENSSL_NO_COMP
1935 comp=SSL_get_current_compression(s);
1936 expansion=SSL_get_current_expansion(s);
1937 BIO_printf(bio,"Compression: %s\n",
1938 comp ? SSL_COMP_get_name(comp) : "NONE");
1939 BIO_printf(bio,"Expansion: %s\n",
1940 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1941 #endif
1942
1943 #ifdef SSL_DEBUG
1944 {
1945 /* Print out local port of connection: useful for debugging */
1946 int sock;
1947 struct sockaddr_in ladd;
1948 socklen_t ladd_size = sizeof(ladd);
1949 sock = SSL_get_fd(s);
1950 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
1951 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
1952 }
1953 #endif
1954
1955 SSL_SESSION_print(bio,SSL_get_session(s));
1956 BIO_printf(bio,"---\n");
1957 if (peer != NULL)
1958 X509_free(peer);
1959 /* flush, or debugging output gets mixed with http response */
1960 (void)BIO_flush(bio);
1961 }
1962
1963 #ifndef OPENSSL_NO_TLSEXT
1964
1965 static int ocsp_resp_cb(SSL *s, void *arg)
1966 {
1967 const unsigned char *p;
1968 int len;
1969 OCSP_RESPONSE *rsp;
1970 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1971 BIO_puts(arg, "OCSP response: ");
1972 if (!p)
1973 {
1974 BIO_puts(arg, "no response sent\n");
1975 return 1;
1976 }
1977 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1978 if (!rsp)
1979 {
1980 BIO_puts(arg, "response parse error\n");
1981 BIO_dump_indent(arg, (char *)p, len, 4);
1982 return 0;
1983 }
1984 BIO_puts(arg, "\n======================================\n");
1985 OCSP_RESPONSE_print(arg, rsp, 0);
1986 BIO_puts(arg, "======================================\n");
1987 OCSP_RESPONSE_free(rsp);
1988 return 1;
1989 }
1990
1991 #endif
1992