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) 1998-2006 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@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 * 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 #include "s_apps.h"
167 #include "timeouts.h"
168
169 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
170 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
171 #undef FIONBIO
172 #endif
173
174 #if defined(OPENSSL_SYS_BEOS_R5)
175 #include <fcntl.h>
176 #endif
177
178 #undef PROG
179 #define PROG s_client_main
180
181 /*#define SSL_HOST_NAME "www.netscape.com" */
182 /*#define SSL_HOST_NAME "193.118.187.102" */
183 #define SSL_HOST_NAME "localhost"
184
185 /*#define TEST_CERT "client.pem" */ /* no default cert. */
186
187 #undef BUFSIZZ
188 #define BUFSIZZ 1024*8
189
190 extern int verify_depth;
191 extern int verify_error;
192 extern int verify_return_error;
193
194 #ifdef FIONBIO
195 static int c_nbio=0;
196 #endif
197 static int c_Pause=0;
198 static int c_debug=0;
199 #ifndef OPENSSL_NO_TLSEXT
200 static int c_tlsextdebug=0;
201 static int c_status_req=0;
202 #endif
203 static int c_msg=0;
204 static int c_showcerts=0;
205
206 static void sc_usage(void);
207 static void print_stuff(BIO *berr,SSL *con,int full);
208 #ifndef OPENSSL_NO_TLSEXT
209 static int ocsp_resp_cb(SSL *s, void *arg);
210 #endif
211 static BIO *bio_c_out=NULL;
212 static int c_quiet=0;
213 static int c_ign_eof=0;
214
215 #ifndef OPENSSL_NO_PSK
216 /* Default PSK identity and key */
217 static char *psk_identity="Client_identity";
218 /*char *psk_key=NULL; by default PSK is not used */
219
psk_client_cb(SSL * ssl,const char * hint,char * identity,unsigned int max_identity_len,unsigned char * psk,unsigned int max_psk_len)220 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
221 unsigned int max_identity_len, unsigned char *psk,
222 unsigned int max_psk_len)
223 {
224 unsigned int psk_len = 0;
225 int ret;
226 BIGNUM *bn=NULL;
227
228 if (c_debug)
229 BIO_printf(bio_c_out, "psk_client_cb\n");
230 if (!hint)
231 {
232 /* no ServerKeyExchange message*/
233 if (c_debug)
234 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
235 }
236 else if (c_debug)
237 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
238
239 /* lookup PSK identity and PSK key based on the given identity hint here */
240 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
241 if (ret < 0 || (unsigned int)ret > max_identity_len)
242 goto out_err;
243 if (c_debug)
244 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
245 ret=BN_hex2bn(&bn, psk_key);
246 if (!ret)
247 {
248 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
249 if (bn)
250 BN_free(bn);
251 return 0;
252 }
253
254 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
255 {
256 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
257 max_psk_len, BN_num_bytes(bn));
258 BN_free(bn);
259 return 0;
260 }
261
262 psk_len=BN_bn2bin(bn, psk);
263 BN_free(bn);
264 if (psk_len == 0)
265 goto out_err;
266
267 if (c_debug)
268 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
269
270 return psk_len;
271 out_err:
272 if (c_debug)
273 BIO_printf(bio_err, "Error in PSK client callback\n");
274 return 0;
275 }
276 #endif
277
sc_usage(void)278 static void sc_usage(void)
279 {
280 BIO_printf(bio_err,"usage: s_client args\n");
281 BIO_printf(bio_err,"\n");
282 BIO_printf(bio_err," -host host - use -connect instead\n");
283 BIO_printf(bio_err," -port port - use -connect instead\n");
284 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
285
286 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
287 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
288 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
289 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
290 BIO_printf(bio_err," not specified but cert file is.\n");
291 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
292 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
293 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
294 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
295 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
296 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
297 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
298 BIO_printf(bio_err," -debug - extra output\n");
299 #ifdef WATT32
300 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
301 #endif
302 BIO_printf(bio_err," -msg - Show protocol messages\n");
303 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
304 BIO_printf(bio_err," -state - print the 'ssl' states\n");
305 #ifdef FIONBIO
306 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
307 #endif
308 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
309 BIO_printf(bio_err," -quiet - no s_client output\n");
310 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
311 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
312 #ifndef OPENSSL_NO_PSK
313 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
314 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
315 # ifndef OPENSSL_NO_JPAKE
316 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
317 # endif
318 #endif
319 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
320 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
321 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
322 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
323 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
324 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
325 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
326 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
327 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
328 BIO_printf(bio_err," command to see what is available\n");
329 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
330 BIO_printf(bio_err," for those protocols that support it, where\n");
331 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
332 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
333 BIO_printf(bio_err," are supported.\n");
334 #ifndef OPENSSL_NO_ENGINE
335 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
336 #endif
337 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
338 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
339 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
340 #ifndef OPENSSL_NO_TLSEXT
341 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
342 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
343 BIO_printf(bio_err," -status - request certificate status from server\n");
344 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
345 # ifndef OPENSSL_NO_NEXTPROTONEG
346 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
347 # endif
348 BIO_printf(bio_err," -cutthrough - enable 1-RTT full-handshake for strong ciphers\n");
349 #endif
350 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
351 }
352
353 #ifndef OPENSSL_NO_TLSEXT
354
355 /* This is a context that we pass to callbacks */
356 typedef struct tlsextctx_st {
357 BIO * biodebug;
358 int ack;
359 } tlsextctx;
360
361
ssl_servername_cb(SSL * s,int * ad,void * arg)362 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
363 {
364 tlsextctx * p = (tlsextctx *) arg;
365 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
366 if (SSL_get_servername_type(s) != -1)
367 p->ack = !SSL_session_reused(s) && hn != NULL;
368 else
369 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
370
371 return SSL_TLSEXT_ERR_OK;
372 }
373
374 # ifndef OPENSSL_NO_NEXTPROTONEG
375 /* This the context that we pass to next_proto_cb */
376 typedef struct tlsextnextprotoctx_st {
377 unsigned char *data;
378 unsigned short len;
379 int status;
380 } tlsextnextprotoctx;
381
382 static tlsextnextprotoctx next_proto;
383
next_proto_cb(SSL * s,unsigned char ** out,unsigned char * outlen,const unsigned char * in,unsigned int inlen,void * arg)384 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
385 {
386 tlsextnextprotoctx *ctx = arg;
387
388 if (!c_quiet)
389 {
390 /* We can assume that |in| is syntactically valid. */
391 unsigned i;
392 BIO_printf(bio_c_out, "Protocols advertised by server: ");
393 for (i = 0; i < inlen; )
394 {
395 if (i)
396 BIO_write(bio_c_out, ", ", 2);
397 BIO_write(bio_c_out, &in[i + 1], in[i]);
398 i += in[i] + 1;
399 }
400 BIO_write(bio_c_out, "\n", 1);
401 }
402
403 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
404 return SSL_TLSEXT_ERR_OK;
405 }
406 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
407 #endif
408
409 enum
410 {
411 PROTO_OFF = 0,
412 PROTO_SMTP,
413 PROTO_POP3,
414 PROTO_IMAP,
415 PROTO_FTP,
416 PROTO_XMPP
417 };
418
419 int MAIN(int, char **);
420
MAIN(int argc,char ** argv)421 int MAIN(int argc, char **argv)
422 {
423 unsigned int off=0, clr=0;
424 SSL *con=NULL;
425 int s,k,width,state=0;
426 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
427 int cbuf_len,cbuf_off;
428 int sbuf_len,sbuf_off;
429 fd_set readfds,writefds;
430 short port=PORT;
431 int full_log=1;
432 char *host=SSL_HOST_NAME;
433 char *cert_file=NULL,*key_file=NULL;
434 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
435 char *passarg = NULL, *pass = NULL;
436 X509 *cert = NULL;
437 EVP_PKEY *key = NULL;
438 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
439 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
440 int cutthrough=0;
441 int crlf=0;
442 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
443 SSL_CTX *ctx=NULL;
444 int ret=1,in_init=1,i,nbio_test=0;
445 int starttls_proto = PROTO_OFF;
446 int prexit = 0;
447 X509_VERIFY_PARAM *vpm = NULL;
448 int badarg = 0;
449 const SSL_METHOD *meth=NULL;
450 int socket_type=SOCK_STREAM;
451 BIO *sbio;
452 char *inrand=NULL;
453 int mbuf_len=0;
454 struct timeval timeout, *timeoutp;
455 #ifndef OPENSSL_NO_ENGINE
456 char *engine_id=NULL;
457 char *ssl_client_engine_id=NULL;
458 ENGINE *ssl_client_engine=NULL;
459 #endif
460 ENGINE *e=NULL;
461 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
462 struct timeval tv;
463 #if defined(OPENSSL_SYS_BEOS_R5)
464 int stdin_set = 0;
465 #endif
466 #endif
467 #ifndef OPENSSL_NO_TLSEXT
468 char *servername = NULL;
469 tlsextctx tlsextcbp =
470 {NULL,0};
471 # ifndef OPENSSL_NO_NEXTPROTONEG
472 const char *next_proto_neg_in = NULL;
473 # endif
474 #endif
475 char *sess_in = NULL;
476 char *sess_out = NULL;
477 struct sockaddr peer;
478 int peerlen = sizeof(peer);
479 int enable_timeouts = 0 ;
480 long socket_mtu = 0;
481 #ifndef OPENSSL_NO_JPAKE
482 char *jpake_secret = NULL;
483 #endif
484
485 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
486 meth=SSLv23_client_method();
487 #elif !defined(OPENSSL_NO_SSL3)
488 meth=SSLv3_client_method();
489 #elif !defined(OPENSSL_NO_SSL2)
490 meth=SSLv2_client_method();
491 #endif
492
493 apps_startup();
494 c_Pause=0;
495 c_quiet=0;
496 c_ign_eof=0;
497 c_debug=0;
498 c_msg=0;
499 c_showcerts=0;
500
501 if (bio_err == NULL)
502 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
503
504 if (!load_config(bio_err, NULL))
505 goto end;
506
507 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
508 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
509 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
510 {
511 BIO_printf(bio_err,"out of memory\n");
512 goto end;
513 }
514
515 verify_depth=0;
516 verify_error=X509_V_OK;
517 #ifdef FIONBIO
518 c_nbio=0;
519 #endif
520
521 argc--;
522 argv++;
523 while (argc >= 1)
524 {
525 if (strcmp(*argv,"-host") == 0)
526 {
527 if (--argc < 1) goto bad;
528 host= *(++argv);
529 }
530 else if (strcmp(*argv,"-port") == 0)
531 {
532 if (--argc < 1) goto bad;
533 port=atoi(*(++argv));
534 if (port == 0) goto bad;
535 }
536 else if (strcmp(*argv,"-connect") == 0)
537 {
538 if (--argc < 1) goto bad;
539 if (!extract_host_port(*(++argv),&host,NULL,&port))
540 goto bad;
541 }
542 else if (strcmp(*argv,"-verify") == 0)
543 {
544 verify=SSL_VERIFY_PEER;
545 if (--argc < 1) goto bad;
546 verify_depth=atoi(*(++argv));
547 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
548 }
549 else if (strcmp(*argv,"-cert") == 0)
550 {
551 if (--argc < 1) goto bad;
552 cert_file= *(++argv);
553 }
554 else if (strcmp(*argv,"-sess_out") == 0)
555 {
556 if (--argc < 1) goto bad;
557 sess_out = *(++argv);
558 }
559 else if (strcmp(*argv,"-sess_in") == 0)
560 {
561 if (--argc < 1) goto bad;
562 sess_in = *(++argv);
563 }
564 else if (strcmp(*argv,"-certform") == 0)
565 {
566 if (--argc < 1) goto bad;
567 cert_format = str2fmt(*(++argv));
568 }
569 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
570 {
571 if (badarg)
572 goto bad;
573 continue;
574 }
575 else if (strcmp(*argv,"-verify_return_error") == 0)
576 verify_return_error = 1;
577 else if (strcmp(*argv,"-prexit") == 0)
578 prexit=1;
579 else if (strcmp(*argv,"-crlf") == 0)
580 crlf=1;
581 else if (strcmp(*argv,"-quiet") == 0)
582 {
583 c_quiet=1;
584 c_ign_eof=1;
585 }
586 else if (strcmp(*argv,"-ign_eof") == 0)
587 c_ign_eof=1;
588 else if (strcmp(*argv,"-no_ign_eof") == 0)
589 c_ign_eof=0;
590 else if (strcmp(*argv,"-pause") == 0)
591 c_Pause=1;
592 else if (strcmp(*argv,"-debug") == 0)
593 c_debug=1;
594 #ifndef OPENSSL_NO_TLSEXT
595 else if (strcmp(*argv,"-tlsextdebug") == 0)
596 c_tlsextdebug=1;
597 else if (strcmp(*argv,"-status") == 0)
598 c_status_req=1;
599 #endif
600 #ifdef WATT32
601 else if (strcmp(*argv,"-wdebug") == 0)
602 dbug_init();
603 #endif
604 else if (strcmp(*argv,"-msg") == 0)
605 c_msg=1;
606 else if (strcmp(*argv,"-showcerts") == 0)
607 c_showcerts=1;
608 else if (strcmp(*argv,"-nbio_test") == 0)
609 nbio_test=1;
610 else if (strcmp(*argv,"-state") == 0)
611 state=1;
612 #ifndef OPENSSL_NO_PSK
613 else if (strcmp(*argv,"-psk_identity") == 0)
614 {
615 if (--argc < 1) goto bad;
616 psk_identity=*(++argv);
617 }
618 else if (strcmp(*argv,"-psk") == 0)
619 {
620 size_t j;
621
622 if (--argc < 1) goto bad;
623 psk_key=*(++argv);
624 for (j = 0; j < strlen(psk_key); j++)
625 {
626 if (isxdigit((int)psk_key[j]))
627 continue;
628 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
629 goto bad;
630 }
631 }
632 #endif
633 #ifndef OPENSSL_NO_SSL2
634 else if (strcmp(*argv,"-ssl2") == 0)
635 meth=SSLv2_client_method();
636 #endif
637 #ifndef OPENSSL_NO_SSL3
638 else if (strcmp(*argv,"-ssl3") == 0)
639 meth=SSLv3_client_method();
640 #endif
641 #ifndef OPENSSL_NO_TLS1
642 else if (strcmp(*argv,"-tls1") == 0)
643 meth=TLSv1_client_method();
644 #endif
645 #ifndef OPENSSL_NO_DTLS1
646 else if (strcmp(*argv,"-dtls1") == 0)
647 {
648 meth=DTLSv1_client_method();
649 socket_type=SOCK_DGRAM;
650 }
651 else if (strcmp(*argv,"-timeout") == 0)
652 enable_timeouts=1;
653 else if (strcmp(*argv,"-mtu") == 0)
654 {
655 if (--argc < 1) goto bad;
656 socket_mtu = atol(*(++argv));
657 }
658 #endif
659 else if (strcmp(*argv,"-bugs") == 0)
660 bugs=1;
661 else if (strcmp(*argv,"-keyform") == 0)
662 {
663 if (--argc < 1) goto bad;
664 key_format = str2fmt(*(++argv));
665 }
666 else if (strcmp(*argv,"-pass") == 0)
667 {
668 if (--argc < 1) goto bad;
669 passarg = *(++argv);
670 }
671 else if (strcmp(*argv,"-key") == 0)
672 {
673 if (--argc < 1) goto bad;
674 key_file= *(++argv);
675 }
676 else if (strcmp(*argv,"-reconnect") == 0)
677 {
678 reconnect=5;
679 }
680 else if (strcmp(*argv,"-CApath") == 0)
681 {
682 if (--argc < 1) goto bad;
683 CApath= *(++argv);
684 }
685 else if (strcmp(*argv,"-CAfile") == 0)
686 {
687 if (--argc < 1) goto bad;
688 CAfile= *(++argv);
689 }
690 else if (strcmp(*argv,"-no_tls1") == 0)
691 off|=SSL_OP_NO_TLSv1;
692 else if (strcmp(*argv,"-no_ssl3") == 0)
693 off|=SSL_OP_NO_SSLv3;
694 else if (strcmp(*argv,"-no_ssl2") == 0)
695 off|=SSL_OP_NO_SSLv2;
696 else if (strcmp(*argv,"-no_comp") == 0)
697 { off|=SSL_OP_NO_COMPRESSION; }
698 #ifndef OPENSSL_NO_TLSEXT
699 else if (strcmp(*argv,"-no_ticket") == 0)
700 { off|=SSL_OP_NO_TICKET; }
701 # ifndef OPENSSL_NO_NEXTPROTONEG
702 else if (strcmp(*argv,"-nextprotoneg") == 0)
703 {
704 if (--argc < 1) goto bad;
705 next_proto_neg_in = *(++argv);
706 }
707 # endif
708 #endif
709 else if (strcmp(*argv,"-cutthrough") == 0)
710 cutthrough=1;
711 else if (strcmp(*argv,"-serverpref") == 0)
712 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
713 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
714 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
715 else if (strcmp(*argv,"-legacy_server_connect") == 0)
716 { off|=SSL_OP_LEGACY_SERVER_CONNECT; }
717 else if (strcmp(*argv,"-no_legacy_server_connect") == 0)
718 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
719 else if (strcmp(*argv,"-cipher") == 0)
720 {
721 if (--argc < 1) goto bad;
722 cipher= *(++argv);
723 }
724 #ifdef FIONBIO
725 else if (strcmp(*argv,"-nbio") == 0)
726 { c_nbio=1; }
727 #endif
728 else if (strcmp(*argv,"-starttls") == 0)
729 {
730 if (--argc < 1) goto bad;
731 ++argv;
732 if (strcmp(*argv,"smtp") == 0)
733 starttls_proto = PROTO_SMTP;
734 else if (strcmp(*argv,"pop3") == 0)
735 starttls_proto = PROTO_POP3;
736 else if (strcmp(*argv,"imap") == 0)
737 starttls_proto = PROTO_IMAP;
738 else if (strcmp(*argv,"ftp") == 0)
739 starttls_proto = PROTO_FTP;
740 else if (strcmp(*argv, "xmpp") == 0)
741 starttls_proto = PROTO_XMPP;
742 else
743 goto bad;
744 }
745 #ifndef OPENSSL_NO_ENGINE
746 else if (strcmp(*argv,"-engine") == 0)
747 {
748 if (--argc < 1) goto bad;
749 engine_id = *(++argv);
750 }
751 else if (strcmp(*argv,"-ssl_client_engine") == 0)
752 {
753 if (--argc < 1) goto bad;
754 ssl_client_engine_id = *(++argv);
755 }
756 #endif
757 else if (strcmp(*argv,"-rand") == 0)
758 {
759 if (--argc < 1) goto bad;
760 inrand= *(++argv);
761 }
762 #ifndef OPENSSL_NO_TLSEXT
763 else if (strcmp(*argv,"-servername") == 0)
764 {
765 if (--argc < 1) goto bad;
766 servername= *(++argv);
767 /* meth=TLSv1_client_method(); */
768 }
769 #endif
770 #ifndef OPENSSL_NO_JPAKE
771 else if (strcmp(*argv,"-jpake") == 0)
772 {
773 if (--argc < 1) goto bad;
774 jpake_secret = *++argv;
775 }
776 #endif
777 else
778 {
779 BIO_printf(bio_err,"unknown option %s\n",*argv);
780 badop=1;
781 break;
782 }
783 argc--;
784 argv++;
785 }
786 if (badop)
787 {
788 bad:
789 sc_usage();
790 goto end;
791 }
792
793 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
794 if (jpake_secret)
795 {
796 if (psk_key)
797 {
798 BIO_printf(bio_err,
799 "Can't use JPAKE and PSK together\n");
800 goto end;
801 }
802 psk_identity = "JPAKE";
803 }
804
805 if (cipher)
806 {
807 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
808 goto end;
809 }
810 cipher = "PSK";
811 #endif
812
813 OpenSSL_add_ssl_algorithms();
814 SSL_load_error_strings();
815
816 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
817 next_proto.status = -1;
818 if (next_proto_neg_in)
819 {
820 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
821 if (next_proto.data == NULL)
822 {
823 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
824 goto end;
825 }
826 }
827 else
828 next_proto.data = NULL;
829 #endif
830
831 #ifndef OPENSSL_NO_ENGINE
832 e = setup_engine(bio_err, engine_id, 1);
833 if (ssl_client_engine_id)
834 {
835 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
836 if (!ssl_client_engine)
837 {
838 BIO_printf(bio_err,
839 "Error getting client auth engine\n");
840 goto end;
841 }
842 }
843
844 #endif
845 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
846 {
847 BIO_printf(bio_err, "Error getting password\n");
848 goto end;
849 }
850
851 if (key_file == NULL)
852 key_file = cert_file;
853
854
855 if (key_file)
856
857 {
858
859 key = load_key(bio_err, key_file, key_format, 0, pass, e,
860 "client certificate private key file");
861 if (!key)
862 {
863 ERR_print_errors(bio_err);
864 goto end;
865 }
866
867 }
868
869 if (cert_file)
870
871 {
872 cert = load_cert(bio_err,cert_file,cert_format,
873 NULL, e, "client certificate file");
874
875 if (!cert)
876 {
877 ERR_print_errors(bio_err);
878 goto end;
879 }
880 }
881
882 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
883 && !RAND_status())
884 {
885 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
886 }
887 if (inrand != NULL)
888 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
889 app_RAND_load_files(inrand));
890
891 if (bio_c_out == NULL)
892 {
893 if (c_quiet && !c_debug && !c_msg)
894 {
895 bio_c_out=BIO_new(BIO_s_null());
896 }
897 else
898 {
899 if (bio_c_out == NULL)
900 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
901 }
902 }
903
904 ctx=SSL_CTX_new(meth);
905 if (ctx == NULL)
906 {
907 ERR_print_errors(bio_err);
908 goto end;
909 }
910
911 if (vpm)
912 SSL_CTX_set1_param(ctx, vpm);
913
914 #ifndef OPENSSL_NO_ENGINE
915 if (ssl_client_engine)
916 {
917 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
918 {
919 BIO_puts(bio_err, "Error setting client auth engine\n");
920 ERR_print_errors(bio_err);
921 ENGINE_free(ssl_client_engine);
922 goto end;
923 }
924 ENGINE_free(ssl_client_engine);
925 }
926 #endif
927
928 #ifndef OPENSSL_NO_PSK
929 #ifdef OPENSSL_NO_JPAKE
930 if (psk_key != NULL)
931 #else
932 if (psk_key != NULL || jpake_secret)
933 #endif
934 {
935 if (c_debug)
936 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
937 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
938 }
939 #endif
940 if (bugs)
941 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
942 else
943 SSL_CTX_set_options(ctx,off);
944
945 if (clr)
946 SSL_CTX_clear_options(ctx, clr);
947 /* DTLS: partial reads end up discarding unread UDP bytes :-(
948 * Setting read ahead solves this problem.
949 */
950 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
951
952 /* Enable handshake cutthrough for client connections using
953 * strong ciphers. */
954 if (cutthrough)
955 {
956 int ssl_mode = SSL_CTX_get_mode(ctx);
957 ssl_mode |= SSL_MODE_HANDSHAKE_CUTTHROUGH;
958 SSL_CTX_set_mode(ctx, ssl_mode);
959 }
960
961 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
962 if (next_proto.data)
963 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
964 #endif
965
966 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
967 if (cipher != NULL)
968 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
969 BIO_printf(bio_err,"error setting cipher list\n");
970 ERR_print_errors(bio_err);
971 goto end;
972 }
973 #if 0
974 else
975 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
976 #endif
977
978 SSL_CTX_set_verify(ctx,verify,verify_callback);
979 if (!set_cert_key_stuff(ctx,cert,key))
980 goto end;
981
982 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
983 (!SSL_CTX_set_default_verify_paths(ctx)))
984 {
985 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
986 ERR_print_errors(bio_err);
987 /* goto end; */
988 }
989
990 #ifndef OPENSSL_NO_TLSEXT
991 if (servername != NULL)
992 {
993 tlsextcbp.biodebug = bio_err;
994 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
995 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
996 }
997 #endif
998
999 con=SSL_new(ctx);
1000 if (sess_in)
1001 {
1002 SSL_SESSION *sess;
1003 BIO *stmp = BIO_new_file(sess_in, "r");
1004 if (!stmp)
1005 {
1006 BIO_printf(bio_err, "Can't open session file %s\n",
1007 sess_in);
1008 ERR_print_errors(bio_err);
1009 goto end;
1010 }
1011 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1012 BIO_free(stmp);
1013 if (!sess)
1014 {
1015 BIO_printf(bio_err, "Can't open session file %s\n",
1016 sess_in);
1017 ERR_print_errors(bio_err);
1018 goto end;
1019 }
1020 SSL_set_session(con, sess);
1021 SSL_SESSION_free(sess);
1022 }
1023 #ifndef OPENSSL_NO_TLSEXT
1024 if (servername != NULL)
1025 {
1026 if (!SSL_set_tlsext_host_name(con,servername))
1027 {
1028 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1029 ERR_print_errors(bio_err);
1030 goto end;
1031 }
1032 }
1033 #endif
1034 #ifndef OPENSSL_NO_KRB5
1035 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
1036 {
1037 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
1038 }
1039 #endif /* OPENSSL_NO_KRB5 */
1040 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1041 #if 0
1042 #ifdef TLSEXT_TYPE_opaque_prf_input
1043 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1044 #endif
1045 #endif
1046
1047 re_start:
1048
1049 if (init_client(&s,host,port,socket_type) == 0)
1050 {
1051 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1052 SHUTDOWN(s);
1053 goto end;
1054 }
1055 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1056
1057 #ifdef FIONBIO
1058 if (c_nbio)
1059 {
1060 unsigned long l=1;
1061 BIO_printf(bio_c_out,"turning on non blocking io\n");
1062 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1063 {
1064 ERR_print_errors(bio_err);
1065 goto end;
1066 }
1067 }
1068 #endif
1069 if (c_Pause & 0x01) con->debug=1;
1070
1071 if ( SSL_version(con) == DTLS1_VERSION)
1072 {
1073
1074 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1075 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1076 {
1077 BIO_printf(bio_err, "getsockname:errno=%d\n",
1078 get_last_socket_error());
1079 SHUTDOWN(s);
1080 goto end;
1081 }
1082
1083 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1084
1085 if (enable_timeouts)
1086 {
1087 timeout.tv_sec = 0;
1088 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1089 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1090
1091 timeout.tv_sec = 0;
1092 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1093 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1094 }
1095
1096 if (socket_mtu > 28)
1097 {
1098 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1099 SSL_set_mtu(con, socket_mtu - 28);
1100 }
1101 else
1102 /* want to do MTU discovery */
1103 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1104 }
1105 else
1106 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1107
1108 if (nbio_test)
1109 {
1110 BIO *test;
1111
1112 test=BIO_new(BIO_f_nbio_test());
1113 sbio=BIO_push(test,sbio);
1114 }
1115
1116 if (c_debug)
1117 {
1118 con->debug=1;
1119 BIO_set_callback(sbio,bio_dump_callback);
1120 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1121 }
1122 if (c_msg)
1123 {
1124 SSL_set_msg_callback(con, msg_cb);
1125 SSL_set_msg_callback_arg(con, bio_c_out);
1126 }
1127 #ifndef OPENSSL_NO_TLSEXT
1128 if (c_tlsextdebug)
1129 {
1130 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1131 SSL_set_tlsext_debug_arg(con, bio_c_out);
1132 }
1133 if (c_status_req)
1134 {
1135 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1136 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1137 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1138 #if 0
1139 {
1140 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1141 OCSP_RESPID *id = OCSP_RESPID_new();
1142 id->value.byKey = ASN1_OCTET_STRING_new();
1143 id->type = V_OCSP_RESPID_KEY;
1144 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1145 sk_OCSP_RESPID_push(ids, id);
1146 SSL_set_tlsext_status_ids(con, ids);
1147 }
1148 #endif
1149 }
1150 #endif
1151 #ifndef OPENSSL_NO_JPAKE
1152 if (jpake_secret)
1153 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1154 #endif
1155
1156 SSL_set_bio(con,sbio,sbio);
1157 SSL_set_connect_state(con);
1158
1159 /* ok, lets connect */
1160 width=SSL_get_fd(con)+1;
1161
1162 read_tty=1;
1163 write_tty=0;
1164 tty_on=0;
1165 read_ssl=1;
1166 write_ssl=1;
1167
1168 cbuf_len=0;
1169 cbuf_off=0;
1170 sbuf_len=0;
1171 sbuf_off=0;
1172
1173 /* This is an ugly hack that does a lot of assumptions */
1174 /* We do have to handle multi-line responses which may come
1175 in a single packet or not. We therefore have to use
1176 BIO_gets() which does need a buffering BIO. So during
1177 the initial chitchat we do push a buffering BIO into the
1178 chain that is removed again later on to not disturb the
1179 rest of the s_client operation. */
1180 if (starttls_proto == PROTO_SMTP)
1181 {
1182 int foundit=0;
1183 BIO *fbio = BIO_new(BIO_f_buffer());
1184 BIO_push(fbio, sbio);
1185 /* wait for multi-line response to end from SMTP */
1186 do
1187 {
1188 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1189 }
1190 while (mbuf_len>3 && mbuf[3]=='-');
1191 /* STARTTLS command requires EHLO... */
1192 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1193 (void)BIO_flush(fbio);
1194 /* wait for multi-line response to end EHLO SMTP response */
1195 do
1196 {
1197 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1198 if (strstr(mbuf,"STARTTLS"))
1199 foundit=1;
1200 }
1201 while (mbuf_len>3 && mbuf[3]=='-');
1202 (void)BIO_flush(fbio);
1203 BIO_pop(fbio);
1204 BIO_free(fbio);
1205 if (!foundit)
1206 BIO_printf(bio_err,
1207 "didn't found starttls in server response,"
1208 " try anyway...\n");
1209 BIO_printf(sbio,"STARTTLS\r\n");
1210 BIO_read(sbio,sbuf,BUFSIZZ);
1211 }
1212 else if (starttls_proto == PROTO_POP3)
1213 {
1214 BIO_read(sbio,mbuf,BUFSIZZ);
1215 BIO_printf(sbio,"STLS\r\n");
1216 BIO_read(sbio,sbuf,BUFSIZZ);
1217 }
1218 else if (starttls_proto == PROTO_IMAP)
1219 {
1220 int foundit=0;
1221 BIO *fbio = BIO_new(BIO_f_buffer());
1222 BIO_push(fbio, sbio);
1223 BIO_gets(fbio,mbuf,BUFSIZZ);
1224 /* STARTTLS command requires CAPABILITY... */
1225 BIO_printf(fbio,". CAPABILITY\r\n");
1226 (void)BIO_flush(fbio);
1227 /* wait for multi-line CAPABILITY response */
1228 do
1229 {
1230 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1231 if (strstr(mbuf,"STARTTLS"))
1232 foundit=1;
1233 }
1234 while (mbuf_len>3 && mbuf[0]!='.');
1235 (void)BIO_flush(fbio);
1236 BIO_pop(fbio);
1237 BIO_free(fbio);
1238 if (!foundit)
1239 BIO_printf(bio_err,
1240 "didn't found STARTTLS in server response,"
1241 " try anyway...\n");
1242 BIO_printf(sbio,". STARTTLS\r\n");
1243 BIO_read(sbio,sbuf,BUFSIZZ);
1244 }
1245 else if (starttls_proto == PROTO_FTP)
1246 {
1247 BIO *fbio = BIO_new(BIO_f_buffer());
1248 BIO_push(fbio, sbio);
1249 /* wait for multi-line response to end from FTP */
1250 do
1251 {
1252 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1253 }
1254 while (mbuf_len>3 && mbuf[3]=='-');
1255 (void)BIO_flush(fbio);
1256 BIO_pop(fbio);
1257 BIO_free(fbio);
1258 BIO_printf(sbio,"AUTH TLS\r\n");
1259 BIO_read(sbio,sbuf,BUFSIZZ);
1260 }
1261 if (starttls_proto == PROTO_XMPP)
1262 {
1263 int seen = 0;
1264 BIO_printf(sbio,"<stream:stream "
1265 "xmlns:stream='http://etherx.jabber.org/streams' "
1266 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1267 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1268 mbuf[seen] = 0;
1269 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1270 {
1271 if (strstr(mbuf, "/stream:features>"))
1272 goto shut;
1273 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1274 mbuf[seen] = 0;
1275 }
1276 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1277 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1278 sbuf[seen] = 0;
1279 if (!strstr(sbuf, "<proceed"))
1280 goto shut;
1281 mbuf[0] = 0;
1282 }
1283
1284 for (;;)
1285 {
1286 FD_ZERO(&readfds);
1287 FD_ZERO(&writefds);
1288
1289 if ((SSL_version(con) == DTLS1_VERSION) &&
1290 DTLSv1_get_timeout(con, &timeout))
1291 timeoutp = &timeout;
1292 else
1293 timeoutp = NULL;
1294
1295 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1296 {
1297 in_init=1;
1298 tty_on=0;
1299 }
1300 else
1301 {
1302 tty_on=1;
1303 if (in_init)
1304 {
1305 in_init=0;
1306 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1307 #ifndef OPENSSL_NO_TLSEXT
1308 if (servername != NULL && !SSL_session_reused(con))
1309 {
1310 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1311 }
1312 #endif
1313 #endif
1314 if (sess_out)
1315 {
1316 BIO *stmp = BIO_new_file(sess_out, "w");
1317 if (stmp)
1318 {
1319 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1320 BIO_free(stmp);
1321 }
1322 else
1323 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1324 }
1325 print_stuff(bio_c_out,con,full_log);
1326 if (full_log > 0) full_log--;
1327
1328 if (starttls_proto)
1329 {
1330 BIO_printf(bio_err,"%s",mbuf);
1331 /* We don't need to know any more */
1332 starttls_proto = PROTO_OFF;
1333 }
1334
1335 if (reconnect)
1336 {
1337 reconnect--;
1338 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1339 SSL_shutdown(con);
1340 SSL_set_connect_state(con);
1341 SHUTDOWN(SSL_get_fd(con));
1342 goto re_start;
1343 }
1344 }
1345 }
1346
1347 ssl_pending = read_ssl && SSL_pending(con);
1348
1349 if (!ssl_pending)
1350 {
1351 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1352 if (tty_on)
1353 {
1354 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1355 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1356 }
1357 if (read_ssl)
1358 openssl_fdset(SSL_get_fd(con),&readfds);
1359 if (write_ssl)
1360 openssl_fdset(SSL_get_fd(con),&writefds);
1361 #else
1362 if(!tty_on || !write_tty) {
1363 if (read_ssl)
1364 openssl_fdset(SSL_get_fd(con),&readfds);
1365 if (write_ssl)
1366 openssl_fdset(SSL_get_fd(con),&writefds);
1367 }
1368 #endif
1369 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1370 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1371
1372 /* Note: under VMS with SOCKETSHR the second parameter
1373 * is currently of type (int *) whereas under other
1374 * systems it is (void *) if you don't have a cast it
1375 * will choke the compiler: if you do have a cast then
1376 * you can either go for (int *) or (void *).
1377 */
1378 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1379 /* Under Windows/DOS we make the assumption that we can
1380 * always write to the tty: therefore if we need to
1381 * write to the tty we just fall through. Otherwise
1382 * we timeout the select every second and see if there
1383 * are any keypresses. Note: this is a hack, in a proper
1384 * Windows application we wouldn't do this.
1385 */
1386 i=0;
1387 if(!write_tty) {
1388 if(read_tty) {
1389 tv.tv_sec = 1;
1390 tv.tv_usec = 0;
1391 i=select(width,(void *)&readfds,(void *)&writefds,
1392 NULL,&tv);
1393 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1394 if(!i && (!_kbhit() || !read_tty) ) continue;
1395 #else
1396 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1397 #endif
1398 } else i=select(width,(void *)&readfds,(void *)&writefds,
1399 NULL,timeoutp);
1400 }
1401 #elif defined(OPENSSL_SYS_NETWARE)
1402 if(!write_tty) {
1403 if(read_tty) {
1404 tv.tv_sec = 1;
1405 tv.tv_usec = 0;
1406 i=select(width,(void *)&readfds,(void *)&writefds,
1407 NULL,&tv);
1408 } else i=select(width,(void *)&readfds,(void *)&writefds,
1409 NULL,timeoutp);
1410 }
1411 #elif defined(OPENSSL_SYS_BEOS_R5)
1412 /* Under BeOS-R5 the situation is similar to DOS */
1413 i=0;
1414 stdin_set = 0;
1415 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1416 if(!write_tty) {
1417 if(read_tty) {
1418 tv.tv_sec = 1;
1419 tv.tv_usec = 0;
1420 i=select(width,(void *)&readfds,(void *)&writefds,
1421 NULL,&tv);
1422 if (read(fileno(stdin), sbuf, 0) >= 0)
1423 stdin_set = 1;
1424 if (!i && (stdin_set != 1 || !read_tty))
1425 continue;
1426 } else i=select(width,(void *)&readfds,(void *)&writefds,
1427 NULL,timeoutp);
1428 }
1429 (void)fcntl(fileno(stdin), F_SETFL, 0);
1430 #else
1431 i=select(width,(void *)&readfds,(void *)&writefds,
1432 NULL,timeoutp);
1433 #endif
1434 if ( i < 0)
1435 {
1436 BIO_printf(bio_err,"bad select %d\n",
1437 get_last_socket_error());
1438 goto shut;
1439 /* goto end; */
1440 }
1441 }
1442
1443 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1444 {
1445 BIO_printf(bio_err,"TIMEOUT occured\n");
1446 }
1447
1448 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1449 {
1450 k=SSL_write(con,&(cbuf[cbuf_off]),
1451 (unsigned int)cbuf_len);
1452 switch (SSL_get_error(con,k))
1453 {
1454 case SSL_ERROR_NONE:
1455 cbuf_off+=k;
1456 cbuf_len-=k;
1457 if (k <= 0) goto end;
1458 /* we have done a write(con,NULL,0); */
1459 if (cbuf_len <= 0)
1460 {
1461 read_tty=1;
1462 write_ssl=0;
1463 }
1464 else /* if (cbuf_len > 0) */
1465 {
1466 read_tty=0;
1467 write_ssl=1;
1468 }
1469 break;
1470 case SSL_ERROR_WANT_WRITE:
1471 BIO_printf(bio_c_out,"write W BLOCK\n");
1472 write_ssl=1;
1473 read_tty=0;
1474 break;
1475 case SSL_ERROR_WANT_READ:
1476 BIO_printf(bio_c_out,"write R BLOCK\n");
1477 write_tty=0;
1478 read_ssl=1;
1479 write_ssl=0;
1480 break;
1481 case SSL_ERROR_WANT_X509_LOOKUP:
1482 BIO_printf(bio_c_out,"write X BLOCK\n");
1483 break;
1484 case SSL_ERROR_ZERO_RETURN:
1485 if (cbuf_len != 0)
1486 {
1487 BIO_printf(bio_c_out,"shutdown\n");
1488 ret = 0;
1489 goto shut;
1490 }
1491 else
1492 {
1493 read_tty=1;
1494 write_ssl=0;
1495 break;
1496 }
1497
1498 case SSL_ERROR_SYSCALL:
1499 if ((k != 0) || (cbuf_len != 0))
1500 {
1501 BIO_printf(bio_err,"write:errno=%d\n",
1502 get_last_socket_error());
1503 goto shut;
1504 }
1505 else
1506 {
1507 read_tty=1;
1508 write_ssl=0;
1509 }
1510 break;
1511 case SSL_ERROR_SSL:
1512 ERR_print_errors(bio_err);
1513 goto shut;
1514 }
1515 }
1516 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1517 /* Assume Windows/DOS/BeOS can always write */
1518 else if (!ssl_pending && write_tty)
1519 #else
1520 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1521 #endif
1522 {
1523 #ifdef CHARSET_EBCDIC
1524 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1525 #endif
1526 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1527
1528 if (i <= 0)
1529 {
1530 BIO_printf(bio_c_out,"DONE\n");
1531 ret = 0;
1532 goto shut;
1533 /* goto end; */
1534 }
1535
1536 sbuf_len-=i;;
1537 sbuf_off+=i;
1538 if (sbuf_len <= 0)
1539 {
1540 read_ssl=1;
1541 write_tty=0;
1542 }
1543 }
1544 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1545 {
1546 #ifdef RENEG
1547 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1548 #endif
1549 #if 1
1550 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1551 #else
1552 /* Demo for pending and peek :-) */
1553 k=SSL_read(con,sbuf,16);
1554 { char zbuf[10240];
1555 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1556 }
1557 #endif
1558
1559 switch (SSL_get_error(con,k))
1560 {
1561 case SSL_ERROR_NONE:
1562 if (k <= 0)
1563 goto end;
1564 sbuf_off=0;
1565 sbuf_len=k;
1566
1567 read_ssl=0;
1568 write_tty=1;
1569 break;
1570 case SSL_ERROR_WANT_WRITE:
1571 BIO_printf(bio_c_out,"read W BLOCK\n");
1572 write_ssl=1;
1573 read_tty=0;
1574 break;
1575 case SSL_ERROR_WANT_READ:
1576 BIO_printf(bio_c_out,"read R BLOCK\n");
1577 write_tty=0;
1578 read_ssl=1;
1579 if ((read_tty == 0) && (write_ssl == 0))
1580 write_ssl=1;
1581 break;
1582 case SSL_ERROR_WANT_X509_LOOKUP:
1583 BIO_printf(bio_c_out,"read X BLOCK\n");
1584 break;
1585 case SSL_ERROR_SYSCALL:
1586 ret=get_last_socket_error();
1587 BIO_printf(bio_err,"read:errno=%d\n",ret);
1588 goto shut;
1589 case SSL_ERROR_ZERO_RETURN:
1590 BIO_printf(bio_c_out,"closed\n");
1591 ret=0;
1592 goto shut;
1593 case SSL_ERROR_SSL:
1594 ERR_print_errors(bio_err);
1595 goto shut;
1596 /* break; */
1597 }
1598 }
1599
1600 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1601 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1602 else if (_kbhit())
1603 #else
1604 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1605 #endif
1606 #elif defined (OPENSSL_SYS_NETWARE)
1607 else if (_kbhit())
1608 #elif defined(OPENSSL_SYS_BEOS_R5)
1609 else if (stdin_set)
1610 #else
1611 else if (FD_ISSET(fileno(stdin),&readfds))
1612 #endif
1613 {
1614 if (crlf)
1615 {
1616 int j, lf_num;
1617
1618 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1619 lf_num = 0;
1620 /* both loops are skipped when i <= 0 */
1621 for (j = 0; j < i; j++)
1622 if (cbuf[j] == '\n')
1623 lf_num++;
1624 for (j = i-1; j >= 0; j--)
1625 {
1626 cbuf[j+lf_num] = cbuf[j];
1627 if (cbuf[j] == '\n')
1628 {
1629 lf_num--;
1630 i++;
1631 cbuf[j+lf_num] = '\r';
1632 }
1633 }
1634 assert(lf_num == 0);
1635 }
1636 else
1637 i=raw_read_stdin(cbuf,BUFSIZZ);
1638
1639 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1640 {
1641 BIO_printf(bio_err,"DONE\n");
1642 ret=0;
1643 goto shut;
1644 }
1645
1646 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1647 {
1648 BIO_printf(bio_err,"RENEGOTIATING\n");
1649 SSL_renegotiate(con);
1650 cbuf_len=0;
1651 }
1652 else
1653 {
1654 cbuf_len=i;
1655 cbuf_off=0;
1656 #ifdef CHARSET_EBCDIC
1657 ebcdic2ascii(cbuf, cbuf, i);
1658 #endif
1659 }
1660
1661 write_ssl=1;
1662 read_tty=0;
1663 }
1664 }
1665
1666 ret=0;
1667 shut:
1668 if (in_init)
1669 print_stuff(bio_c_out,con,full_log);
1670 SSL_shutdown(con);
1671 SHUTDOWN(SSL_get_fd(con));
1672 end:
1673 if (con != NULL)
1674 {
1675 if (prexit != 0)
1676 print_stuff(bio_c_out,con,1);
1677 SSL_free(con);
1678 }
1679 if (ctx != NULL) SSL_CTX_free(ctx);
1680 if (cert)
1681 X509_free(cert);
1682 if (key)
1683 EVP_PKEY_free(key);
1684 if (pass)
1685 OPENSSL_free(pass);
1686 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1687 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1688 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1689 if (bio_c_out != NULL)
1690 {
1691 BIO_free(bio_c_out);
1692 bio_c_out=NULL;
1693 }
1694 apps_shutdown();
1695 OPENSSL_EXIT(ret);
1696 }
1697
1698
print_stuff(BIO * bio,SSL * s,int full)1699 static void print_stuff(BIO *bio, SSL *s, int full)
1700 {
1701 X509 *peer=NULL;
1702 char *p;
1703 static const char *space=" ";
1704 char buf[BUFSIZ];
1705 STACK_OF(X509) *sk;
1706 STACK_OF(X509_NAME) *sk2;
1707 const SSL_CIPHER *c;
1708 X509_NAME *xn;
1709 int j,i;
1710 #ifndef OPENSSL_NO_COMP
1711 const COMP_METHOD *comp, *expansion;
1712 #endif
1713
1714 if (full)
1715 {
1716 int got_a_chain = 0;
1717
1718 sk=SSL_get_peer_cert_chain(s);
1719 if (sk != NULL)
1720 {
1721 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1722
1723 BIO_printf(bio,"---\nCertificate chain\n");
1724 for (i=0; i<sk_X509_num(sk); i++)
1725 {
1726 X509_NAME_oneline(X509_get_subject_name(
1727 sk_X509_value(sk,i)),buf,sizeof buf);
1728 BIO_printf(bio,"%2d s:%s\n",i,buf);
1729 X509_NAME_oneline(X509_get_issuer_name(
1730 sk_X509_value(sk,i)),buf,sizeof buf);
1731 BIO_printf(bio," i:%s\n",buf);
1732 if (c_showcerts)
1733 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1734 }
1735 }
1736
1737 BIO_printf(bio,"---\n");
1738 peer=SSL_get_peer_certificate(s);
1739 if (peer != NULL)
1740 {
1741 BIO_printf(bio,"Server certificate\n");
1742 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1743 PEM_write_bio_X509(bio,peer);
1744 X509_NAME_oneline(X509_get_subject_name(peer),
1745 buf,sizeof buf);
1746 BIO_printf(bio,"subject=%s\n",buf);
1747 X509_NAME_oneline(X509_get_issuer_name(peer),
1748 buf,sizeof buf);
1749 BIO_printf(bio,"issuer=%s\n",buf);
1750 }
1751 else
1752 BIO_printf(bio,"no peer certificate available\n");
1753
1754 sk2=SSL_get_client_CA_list(s);
1755 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1756 {
1757 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1758 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1759 {
1760 xn=sk_X509_NAME_value(sk2,i);
1761 X509_NAME_oneline(xn,buf,sizeof(buf));
1762 BIO_write(bio,buf,strlen(buf));
1763 BIO_write(bio,"\n",1);
1764 }
1765 }
1766 else
1767 {
1768 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1769 }
1770 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1771 if (p != NULL)
1772 {
1773 /* This works only for SSL 2. In later protocol
1774 * versions, the client does not know what other
1775 * ciphers (in addition to the one to be used
1776 * in the current connection) the server supports. */
1777
1778 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1779 j=i=0;
1780 while (*p)
1781 {
1782 if (*p == ':')
1783 {
1784 BIO_write(bio,space,15-j%25);
1785 i++;
1786 j=0;
1787 BIO_write(bio,((i%3)?" ":"\n"),1);
1788 }
1789 else
1790 {
1791 BIO_write(bio,p,1);
1792 j++;
1793 }
1794 p++;
1795 }
1796 BIO_write(bio,"\n",1);
1797 }
1798
1799 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1800 BIO_number_read(SSL_get_rbio(s)),
1801 BIO_number_written(SSL_get_wbio(s)));
1802 }
1803 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1804 c=SSL_get_current_cipher(s);
1805 BIO_printf(bio,"%s, Cipher is %s\n",
1806 SSL_CIPHER_get_version(c),
1807 SSL_CIPHER_get_name(c));
1808 if (peer != NULL) {
1809 EVP_PKEY *pktmp;
1810 pktmp = X509_get_pubkey(peer);
1811 BIO_printf(bio,"Server public key is %d bit\n",
1812 EVP_PKEY_bits(pktmp));
1813 EVP_PKEY_free(pktmp);
1814 }
1815 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1816 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1817 #ifndef OPENSSL_NO_COMP
1818 comp=SSL_get_current_compression(s);
1819 expansion=SSL_get_current_expansion(s);
1820 BIO_printf(bio,"Compression: %s\n",
1821 comp ? SSL_COMP_get_name(comp) : "NONE");
1822 BIO_printf(bio,"Expansion: %s\n",
1823 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1824 #endif
1825
1826 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1827 if (next_proto.status != -1) {
1828 const unsigned char *proto;
1829 unsigned int proto_len;
1830 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
1831 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
1832 BIO_write(bio, proto, proto_len);
1833 BIO_write(bio, "\n", 1);
1834 }
1835 #endif
1836
1837 SSL_SESSION_print(bio,SSL_get_session(s));
1838 BIO_printf(bio,"---\n");
1839 if (peer != NULL)
1840 X509_free(peer);
1841 /* flush, or debugging output gets mixed with http response */
1842 (void)BIO_flush(bio);
1843 }
1844
1845 #ifndef OPENSSL_NO_TLSEXT
1846
ocsp_resp_cb(SSL * s,void * arg)1847 static int ocsp_resp_cb(SSL *s, void *arg)
1848 {
1849 const unsigned char *p;
1850 int len;
1851 OCSP_RESPONSE *rsp;
1852 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1853 BIO_puts(arg, "OCSP response: ");
1854 if (!p)
1855 {
1856 BIO_puts(arg, "no response sent\n");
1857 return 1;
1858 }
1859 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1860 if (!rsp)
1861 {
1862 BIO_puts(arg, "response parse error\n");
1863 BIO_dump_indent(arg, (char *)p, len, 4);
1864 return 0;
1865 }
1866 BIO_puts(arg, "\n======================================\n");
1867 OCSP_RESPONSE_print(arg, rsp, 0);
1868 BIO_puts(arg, "======================================\n");
1869 OCSP_RESPONSE_free(rsp);
1870 return 1;
1871 }
1872
1873 #endif
1874