484d009987b6690291d844f7fb1b5e317fff2cb0
[openssl.git] / apps / s_client.c
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
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
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_1       - just use TLSv1.1\n");
322         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
323         BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");    
324         BIO_printf(bio_err," -mtu          - set the link layer MTU\n");
325         BIO_printf(bio_err," -no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
326         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
327         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
328         BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
329         BIO_printf(bio_err,"                 command to see what is available\n");
330         BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
331         BIO_printf(bio_err,"                 for those protocols that support it, where\n");
332         BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
333         BIO_printf(bio_err,"                 only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
334         BIO_printf(bio_err,"                 are supported.\n");
335 #ifndef OPENSSL_NO_ENGINE
336         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
337 #endif
338         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
339         BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
340         BIO_printf(bio_err," -sess_in arg  - file to read SSL session from\n");
341 #ifndef OPENSSL_NO_TLSEXT
342         BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
343         BIO_printf(bio_err," -tlsextdebug      - hex dump of all TLS extensions received\n");
344         BIO_printf(bio_err," -status           - request certificate status from server\n");
345         BIO_printf(bio_err," -no_ticket        - disable use of RFC4507bis session tickets\n");
346 #endif
347         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
348         }
349
350 #ifndef OPENSSL_NO_TLSEXT
351
352 /* This is a context that we pass to callbacks */
353 typedef struct tlsextctx_st {
354    BIO * biodebug;
355    int ack;
356 } tlsextctx;
357
358
359 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
360         {
361         tlsextctx * p = (tlsextctx *) arg;
362         const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
363         if (SSL_get_servername_type(s) != -1) 
364                 p->ack = !SSL_session_reused(s) && hn != NULL;
365         else 
366                 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
367         
368         return SSL_TLSEXT_ERR_OK;
369         }
370 #endif
371
372 enum
373 {
374         PROTO_OFF       = 0,
375         PROTO_SMTP,
376         PROTO_POP3,
377         PROTO_IMAP,
378         PROTO_FTP,
379         PROTO_XMPP
380 };
381
382 int MAIN(int, char **);
383
384 int MAIN(int argc, char **argv)
385         {
386         unsigned int off=0, clr=0;
387         SSL *con=NULL;
388         int s,k,width,state=0;
389         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
390         int cbuf_len,cbuf_off;
391         int sbuf_len,sbuf_off;
392         fd_set readfds,writefds;
393         short port=PORT;
394         int full_log=1;
395         char *host=SSL_HOST_NAME;
396         char *cert_file=NULL,*key_file=NULL;
397         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
398         char *passarg = NULL, *pass = NULL;
399         X509 *cert = NULL;
400         EVP_PKEY *key = NULL;
401         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
402         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
403         int crlf=0;
404         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
405         SSL_CTX *ctx=NULL;
406         int ret=1,in_init=1,i,nbio_test=0;
407         int starttls_proto = PROTO_OFF;
408         int prexit = 0;
409         X509_VERIFY_PARAM *vpm = NULL;
410         int badarg = 0;
411         const SSL_METHOD *meth=NULL;
412         int socket_type=SOCK_STREAM;
413         BIO *sbio;
414         char *inrand=NULL;
415         int mbuf_len=0;
416         struct timeval timeout, *timeoutp;
417 #ifndef OPENSSL_NO_ENGINE
418         char *engine_id=NULL;
419         char *ssl_client_engine_id=NULL;
420         ENGINE *ssl_client_engine=NULL;
421 #endif
422         ENGINE *e=NULL;
423 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
424         struct timeval tv;
425 #if defined(OPENSSL_SYS_BEOS_R5)
426         int stdin_set = 0;
427 #endif
428 #endif
429 #ifndef OPENSSL_NO_TLSEXT
430         char *servername = NULL; 
431         tlsextctx tlsextcbp = 
432         {NULL,0};
433 #endif
434         char *sess_in = NULL;
435         char *sess_out = NULL;
436         struct sockaddr peer;
437         int peerlen = sizeof(peer);
438         int enable_timeouts = 0 ;
439         long socket_mtu = 0;
440 #ifndef OPENSSL_NO_JPAKE
441         char *jpake_secret = NULL;
442 #endif
443
444 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
445         meth=SSLv23_client_method();
446 #elif !defined(OPENSSL_NO_SSL3)
447         meth=SSLv3_client_method();
448 #elif !defined(OPENSSL_NO_SSL2)
449         meth=SSLv2_client_method();
450 #endif
451
452         apps_startup();
453         c_Pause=0;
454         c_quiet=0;
455         c_ign_eof=0;
456         c_debug=0;
457         c_msg=0;
458         c_showcerts=0;
459
460         if (bio_err == NULL)
461                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
462
463         if (!load_config(bio_err, NULL))
464                 goto end;
465
466         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
467                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
468                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
469                 {
470                 BIO_printf(bio_err,"out of memory\n");
471                 goto end;
472                 }
473
474         verify_depth=0;
475         verify_error=X509_V_OK;
476 #ifdef FIONBIO
477         c_nbio=0;
478 #endif
479
480         argc--;
481         argv++;
482         while (argc >= 1)
483                 {
484                 if      (strcmp(*argv,"-host") == 0)
485                         {
486                         if (--argc < 1) goto bad;
487                         host= *(++argv);
488                         }
489                 else if (strcmp(*argv,"-port") == 0)
490                         {
491                         if (--argc < 1) goto bad;
492                         port=atoi(*(++argv));
493                         if (port == 0) goto bad;
494                         }
495                 else if (strcmp(*argv,"-connect") == 0)
496                         {
497                         if (--argc < 1) goto bad;
498                         if (!extract_host_port(*(++argv),&host,NULL,&port))
499                                 goto bad;
500                         }
501                 else if (strcmp(*argv,"-verify") == 0)
502                         {
503                         verify=SSL_VERIFY_PEER;
504                         if (--argc < 1) goto bad;
505                         verify_depth=atoi(*(++argv));
506                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
507                         }
508                 else if (strcmp(*argv,"-cert") == 0)
509                         {
510                         if (--argc < 1) goto bad;
511                         cert_file= *(++argv);
512                         }
513                 else if (strcmp(*argv,"-sess_out") == 0)
514                         {
515                         if (--argc < 1) goto bad;
516                         sess_out = *(++argv);
517                         }
518                 else if (strcmp(*argv,"-sess_in") == 0)
519                         {
520                         if (--argc < 1) goto bad;
521                         sess_in = *(++argv);
522                         }
523                 else if (strcmp(*argv,"-certform") == 0)
524                         {
525                         if (--argc < 1) goto bad;
526                         cert_format = str2fmt(*(++argv));
527                         }
528                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
529                         {
530                         if (badarg)
531                                 goto bad;
532                         continue;
533                         }
534                 else if (strcmp(*argv,"-verify_return_error") == 0)
535                         verify_return_error = 1;
536                 else if (strcmp(*argv,"-prexit") == 0)
537                         prexit=1;
538                 else if (strcmp(*argv,"-crlf") == 0)
539                         crlf=1;
540                 else if (strcmp(*argv,"-quiet") == 0)
541                         {
542                         c_quiet=1;
543                         c_ign_eof=1;
544                         }
545                 else if (strcmp(*argv,"-ign_eof") == 0)
546                         c_ign_eof=1;
547                 else if (strcmp(*argv,"-no_ign_eof") == 0)
548                         c_ign_eof=0;
549                 else if (strcmp(*argv,"-pause") == 0)
550                         c_Pause=1;
551                 else if (strcmp(*argv,"-debug") == 0)
552                         c_debug=1;
553 #ifndef OPENSSL_NO_TLSEXT
554                 else if (strcmp(*argv,"-tlsextdebug") == 0)
555                         c_tlsextdebug=1;
556                 else if (strcmp(*argv,"-status") == 0)
557                         c_status_req=1;
558 #endif
559 #ifdef WATT32
560                 else if (strcmp(*argv,"-wdebug") == 0)
561                         dbug_init();
562 #endif
563                 else if (strcmp(*argv,"-msg") == 0)
564                         c_msg=1;
565                 else if (strcmp(*argv,"-showcerts") == 0)
566                         c_showcerts=1;
567                 else if (strcmp(*argv,"-nbio_test") == 0)
568                         nbio_test=1;
569                 else if (strcmp(*argv,"-state") == 0)
570                         state=1;
571 #ifndef OPENSSL_NO_PSK
572                 else if (strcmp(*argv,"-psk_identity") == 0)
573                         {
574                         if (--argc < 1) goto bad;
575                         psk_identity=*(++argv);
576                         }
577                 else if (strcmp(*argv,"-psk") == 0)
578                         {
579                         size_t j;
580
581                         if (--argc < 1) goto bad;
582                         psk_key=*(++argv);
583                         for (j = 0; j < strlen(psk_key); j++)
584                                 {
585                                 if (isxdigit((int)psk_key[j]))
586                                         continue;
587                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
588                                 goto bad;
589                                 }
590                         }
591 #endif
592 #ifndef OPENSSL_NO_SSL2
593                 else if (strcmp(*argv,"-ssl2") == 0)
594                         meth=SSLv2_client_method();
595 #endif
596 #ifndef OPENSSL_NO_SSL3
597                 else if (strcmp(*argv,"-ssl3") == 0)
598                         meth=SSLv3_client_method();
599 #endif
600 #ifndef OPENSSL_NO_TLS1
601                 else if (strcmp(*argv,"-tls1_1") == 0)
602                         meth=TLSv1_1_client_method();
603                 else if (strcmp(*argv,"-tls1") == 0)
604                         meth=TLSv1_client_method();
605 #endif
606 #ifndef OPENSSL_NO_DTLS1
607                 else if (strcmp(*argv,"-dtls1") == 0)
608                         {
609                         meth=DTLSv1_client_method();
610                         socket_type=SOCK_DGRAM;
611                         }
612                 else if (strcmp(*argv,"-timeout") == 0)
613                         enable_timeouts=1;
614                 else if (strcmp(*argv,"-mtu") == 0)
615                         {
616                         if (--argc < 1) goto bad;
617                         socket_mtu = atol(*(++argv));
618                         }
619 #endif
620                 else if (strcmp(*argv,"-bugs") == 0)
621                         bugs=1;
622                 else if (strcmp(*argv,"-keyform") == 0)
623                         {
624                         if (--argc < 1) goto bad;
625                         key_format = str2fmt(*(++argv));
626                         }
627                 else if (strcmp(*argv,"-pass") == 0)
628                         {
629                         if (--argc < 1) goto bad;
630                         passarg = *(++argv);
631                         }
632                 else if (strcmp(*argv,"-key") == 0)
633                         {
634                         if (--argc < 1) goto bad;
635                         key_file= *(++argv);
636                         }
637                 else if (strcmp(*argv,"-reconnect") == 0)
638                         {
639                         reconnect=5;
640                         }
641                 else if (strcmp(*argv,"-CApath") == 0)
642                         {
643                         if (--argc < 1) goto bad;
644                         CApath= *(++argv);
645                         }
646                 else if (strcmp(*argv,"-CAfile") == 0)
647                         {
648                         if (--argc < 1) goto bad;
649                         CAfile= *(++argv);
650                         }
651                 else if (strcmp(*argv,"-no_tls1_1") == 0)
652                         off|=SSL_OP_NO_TLSv1_1;
653                 else if (strcmp(*argv,"-no_tls1") == 0)
654                         off|=SSL_OP_NO_TLSv1;
655                 else if (strcmp(*argv,"-no_ssl3") == 0)
656                         off|=SSL_OP_NO_SSLv3;
657                 else if (strcmp(*argv,"-no_ssl2") == 0)
658                         off|=SSL_OP_NO_SSLv2;
659                 else if (strcmp(*argv,"-no_comp") == 0)
660                         { off|=SSL_OP_NO_COMPRESSION; }
661 #ifndef OPENSSL_NO_TLSEXT
662                 else if (strcmp(*argv,"-no_ticket") == 0)
663                         { off|=SSL_OP_NO_TICKET; }
664 #endif
665                 else if (strcmp(*argv,"-serverpref") == 0)
666                         off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
667                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
668                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
669                 else if (strcmp(*argv,"-legacy_server_connect") == 0)
670                         { off|=SSL_OP_LEGACY_SERVER_CONNECT; }
671                 else if (strcmp(*argv,"-no_legacy_server_connect") == 0)
672                         { clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
673                 else if (strcmp(*argv,"-cipher") == 0)
674                         {
675                         if (--argc < 1) goto bad;
676                         cipher= *(++argv);
677                         }
678 #ifdef FIONBIO
679                 else if (strcmp(*argv,"-nbio") == 0)
680                         { c_nbio=1; }
681 #endif
682                 else if (strcmp(*argv,"-starttls") == 0)
683                         {
684                         if (--argc < 1) goto bad;
685                         ++argv;
686                         if (strcmp(*argv,"smtp") == 0)
687                                 starttls_proto = PROTO_SMTP;
688                         else if (strcmp(*argv,"pop3") == 0)
689                                 starttls_proto = PROTO_POP3;
690                         else if (strcmp(*argv,"imap") == 0)
691                                 starttls_proto = PROTO_IMAP;
692                         else if (strcmp(*argv,"ftp") == 0)
693                                 starttls_proto = PROTO_FTP;
694                         else if (strcmp(*argv, "xmpp") == 0)
695                                 starttls_proto = PROTO_XMPP;
696                         else
697                                 goto bad;
698                         }
699 #ifndef OPENSSL_NO_ENGINE
700                 else if (strcmp(*argv,"-engine") == 0)
701                         {
702                         if (--argc < 1) goto bad;
703                         engine_id = *(++argv);
704                         }
705                 else if (strcmp(*argv,"-ssl_client_engine") == 0)
706                         {
707                         if (--argc < 1) goto bad;
708                         ssl_client_engine_id = *(++argv);
709                         }
710 #endif
711                 else if (strcmp(*argv,"-rand") == 0)
712                         {
713                         if (--argc < 1) goto bad;
714                         inrand= *(++argv);
715                         }
716 #ifndef OPENSSL_NO_TLSEXT
717                 else if (strcmp(*argv,"-servername") == 0)
718                         {
719                         if (--argc < 1) goto bad;
720                         servername= *(++argv);
721                         /* meth=TLSv1_client_method(); */
722                         }
723 #endif
724 #ifndef OPENSSL_NO_JPAKE
725                 else if (strcmp(*argv,"-jpake") == 0)
726                         {
727                         if (--argc < 1) goto bad;
728                         jpake_secret = *++argv;
729                         }
730 #endif
731                 else
732                         {
733                         BIO_printf(bio_err,"unknown option %s\n",*argv);
734                         badop=1;
735                         break;
736                         }
737                 argc--;
738                 argv++;
739                 }
740         if (badop)
741                 {
742 bad:
743                 sc_usage();
744                 goto end;
745                 }
746
747 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
748         if (jpake_secret)
749                 {
750                 if (psk_key)
751                         {
752                         BIO_printf(bio_err,
753                                    "Can't use JPAKE and PSK together\n");
754                         goto end;
755                         }
756                 psk_identity = "JPAKE";
757                 }
758
759         if (cipher)
760                 {
761                 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
762                 goto end;
763                 }
764         cipher = "PSK";
765 #endif
766
767         OpenSSL_add_ssl_algorithms();
768         SSL_load_error_strings();
769
770 #ifndef OPENSSL_NO_ENGINE
771         e = setup_engine(bio_err, engine_id, 1);
772         if (ssl_client_engine_id)
773                 {
774                 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
775                 if (!ssl_client_engine)
776                         {
777                         BIO_printf(bio_err,
778                                         "Error getting client auth engine\n");
779                         goto end;
780                         }
781                 }
782
783 #endif
784         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
785                 {
786                 BIO_printf(bio_err, "Error getting password\n");
787                 goto end;
788                 }
789
790         if (key_file == NULL)
791                 key_file = cert_file;
792
793
794         if (key_file)
795
796                 {
797
798                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
799                                "client certificate private key file");
800                 if (!key)
801                         {
802                         ERR_print_errors(bio_err);
803                         goto end;
804                         }
805
806                 }
807
808         if (cert_file)
809
810                 {
811                 cert = load_cert(bio_err,cert_file,cert_format,
812                                 NULL, e, "client certificate file");
813
814                 if (!cert)
815                         {
816                         ERR_print_errors(bio_err);
817                         goto end;
818                         }
819                 }
820
821         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
822                 && !RAND_status())
823                 {
824                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
825                 }
826         if (inrand != NULL)
827                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
828                         app_RAND_load_files(inrand));
829
830         if (bio_c_out == NULL)
831                 {
832                 if (c_quiet && !c_debug && !c_msg)
833                         {
834                         bio_c_out=BIO_new(BIO_s_null());
835                         }
836                 else
837                         {
838                         if (bio_c_out == NULL)
839                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
840                         }
841                 }
842
843         ctx=SSL_CTX_new(meth);
844         if (ctx == NULL)
845                 {
846                 ERR_print_errors(bio_err);
847                 goto end;
848                 }
849
850         if (vpm)
851                 SSL_CTX_set1_param(ctx, vpm);
852
853 #ifndef OPENSSL_NO_ENGINE
854         if (ssl_client_engine)
855                 {
856                 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
857                         {
858                         BIO_puts(bio_err, "Error setting client auth engine\n");
859                         ERR_print_errors(bio_err);
860                         ENGINE_free(ssl_client_engine);
861                         goto end;
862                         }
863                 ENGINE_free(ssl_client_engine);
864                 }
865 #endif
866
867 #ifndef OPENSSL_NO_PSK
868 #ifdef OPENSSL_NO_JPAKE
869         if (psk_key != NULL)
870 #else
871         if (psk_key != NULL || jpake_secret)
872 #endif
873                 {
874                 if (c_debug)
875                         BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
876                 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
877                 }
878 #endif
879         if (bugs)
880                 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
881         else
882                 SSL_CTX_set_options(ctx,off);
883
884         if (clr)
885                 SSL_CTX_clear_options(ctx, clr);
886         /* DTLS: partial reads end up discarding unread UDP bytes :-( 
887          * Setting read ahead solves this problem.
888          */
889         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
890
891         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
892         if (cipher != NULL)
893                 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
894                 BIO_printf(bio_err,"error setting cipher list\n");
895                 ERR_print_errors(bio_err);
896                 goto end;
897         }
898 #if 0
899         else
900                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
901 #endif
902
903         SSL_CTX_set_verify(ctx,verify,verify_callback);
904         if (!set_cert_key_stuff(ctx,cert,key))
905                 goto end;
906
907         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
908                 (!SSL_CTX_set_default_verify_paths(ctx)))
909                 {
910                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
911                 ERR_print_errors(bio_err);
912                 /* goto end; */
913                 }
914
915 #ifndef OPENSSL_NO_TLSEXT
916         if (servername != NULL)
917                 {
918                 tlsextcbp.biodebug = bio_err;
919                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
920                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
921                 }
922 #endif
923
924         con=SSL_new(ctx);
925         if (sess_in)
926                 {
927                 SSL_SESSION *sess;
928                 BIO *stmp = BIO_new_file(sess_in, "r");
929                 if (!stmp)
930                         {
931                         BIO_printf(bio_err, "Can't open session file %s\n",
932                                                 sess_in);
933                         ERR_print_errors(bio_err);
934                         goto end;
935                         }
936                 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
937                 BIO_free(stmp);
938                 if (!sess)
939                         {
940                         BIO_printf(bio_err, "Can't open session file %s\n",
941                                                 sess_in);
942                         ERR_print_errors(bio_err);
943                         goto end;
944                         }
945                 SSL_set_session(con, sess);
946                 SSL_SESSION_free(sess);
947                 }
948 #ifndef OPENSSL_NO_TLSEXT
949         if (servername != NULL)
950                 {
951                 if (!SSL_set_tlsext_host_name(con,servername))
952                         {
953                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
954                         ERR_print_errors(bio_err);
955                         goto end;
956                         }
957                 }
958 #endif
959 #ifndef OPENSSL_NO_KRB5
960         if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
961                 {
962                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
963                 }
964 #endif  /* OPENSSL_NO_KRB5  */
965 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
966 #if 0
967 #ifdef TLSEXT_TYPE_opaque_prf_input
968         SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
969 #endif
970 #endif
971
972 re_start:
973
974         if (init_client(&s,host,port,socket_type) == 0)
975                 {
976                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
977                 SHUTDOWN(s);
978                 goto end;
979                 }
980         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
981
982 #ifdef FIONBIO
983         if (c_nbio)
984                 {
985                 unsigned long l=1;
986                 BIO_printf(bio_c_out,"turning on non blocking io\n");
987                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
988                         {
989                         ERR_print_errors(bio_err);
990                         goto end;
991                         }
992                 }
993 #endif                                              
994         if (c_Pause & 0x01) con->debug=1;
995
996         if ( SSL_version(con) == DTLS1_VERSION)
997                 {
998
999                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1000                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1001                         {
1002                         BIO_printf(bio_err, "getsockname:errno=%d\n",
1003                                 get_last_socket_error());
1004                         SHUTDOWN(s);
1005                         goto end;
1006                         }
1007
1008                 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1009
1010                 if (enable_timeouts)
1011                         {
1012                         timeout.tv_sec = 0;
1013                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1014                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1015                         
1016                         timeout.tv_sec = 0;
1017                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1018                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1019                         }
1020
1021                 if (socket_mtu > 28)
1022                         {
1023                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1024                         SSL_set_mtu(con, socket_mtu - 28);
1025                         }
1026                 else
1027                         /* want to do MTU discovery */
1028                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1029                 }
1030         else
1031                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1032
1033         if (nbio_test)
1034                 {
1035                 BIO *test;
1036
1037                 test=BIO_new(BIO_f_nbio_test());
1038                 sbio=BIO_push(test,sbio);
1039                 }
1040
1041         if (c_debug)
1042                 {
1043                 con->debug=1;
1044                 BIO_set_callback(sbio,bio_dump_callback);
1045                 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1046                 }
1047         if (c_msg)
1048                 {
1049                 SSL_set_msg_callback(con, msg_cb);
1050                 SSL_set_msg_callback_arg(con, bio_c_out);
1051                 }
1052 #ifndef OPENSSL_NO_TLSEXT
1053         if (c_tlsextdebug)
1054                 {
1055                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1056                 SSL_set_tlsext_debug_arg(con, bio_c_out);
1057                 }
1058         if (c_status_req)
1059                 {
1060                 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1061                 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1062                 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1063 #if 0
1064 {
1065 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1066 OCSP_RESPID *id = OCSP_RESPID_new();
1067 id->value.byKey = ASN1_OCTET_STRING_new();
1068 id->type = V_OCSP_RESPID_KEY;
1069 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1070 sk_OCSP_RESPID_push(ids, id);
1071 SSL_set_tlsext_status_ids(con, ids);
1072 }
1073 #endif
1074                 }
1075 #endif
1076 #ifndef OPENSSL_NO_JPAKE
1077         if (jpake_secret)
1078                 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1079 #endif
1080
1081         SSL_set_bio(con,sbio,sbio);
1082         SSL_set_connect_state(con);
1083
1084         /* ok, lets connect */
1085         width=SSL_get_fd(con)+1;
1086
1087         read_tty=1;
1088         write_tty=0;
1089         tty_on=0;
1090         read_ssl=1;
1091         write_ssl=1;
1092         
1093         cbuf_len=0;
1094         cbuf_off=0;
1095         sbuf_len=0;
1096         sbuf_off=0;
1097
1098         /* This is an ugly hack that does a lot of assumptions */
1099         /* We do have to handle multi-line responses which may come
1100            in a single packet or not. We therefore have to use
1101            BIO_gets() which does need a buffering BIO. So during
1102            the initial chitchat we do push a buffering BIO into the
1103            chain that is removed again later on to not disturb the
1104            rest of the s_client operation. */
1105         if (starttls_proto == PROTO_SMTP)
1106                 {
1107                 int foundit=0;
1108                 BIO *fbio = BIO_new(BIO_f_buffer());
1109                 BIO_push(fbio, sbio);
1110                 /* wait for multi-line response to end from SMTP */
1111                 do
1112                         {
1113                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1114                         }
1115                 while (mbuf_len>3 && mbuf[3]=='-');
1116                 /* STARTTLS command requires EHLO... */
1117                 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1118                 (void)BIO_flush(fbio);
1119                 /* wait for multi-line response to end EHLO SMTP response */
1120                 do
1121                         {
1122                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1123                         if (strstr(mbuf,"STARTTLS"))
1124                                 foundit=1;
1125                         }
1126                 while (mbuf_len>3 && mbuf[3]=='-');
1127                 (void)BIO_flush(fbio);
1128                 BIO_pop(fbio);
1129                 BIO_free(fbio);
1130                 if (!foundit)
1131                         BIO_printf(bio_err,
1132                                    "didn't found starttls in server response,"
1133                                    " try anyway...\n");
1134                 BIO_printf(sbio,"STARTTLS\r\n");
1135                 BIO_read(sbio,sbuf,BUFSIZZ);
1136                 }
1137         else if (starttls_proto == PROTO_POP3)
1138                 {
1139                 BIO_read(sbio,mbuf,BUFSIZZ);
1140                 BIO_printf(sbio,"STLS\r\n");
1141                 BIO_read(sbio,sbuf,BUFSIZZ);
1142                 }
1143         else if (starttls_proto == PROTO_IMAP)
1144                 {
1145                 int foundit=0;
1146                 BIO *fbio = BIO_new(BIO_f_buffer());
1147                 BIO_push(fbio, sbio);
1148                 BIO_gets(fbio,mbuf,BUFSIZZ);
1149                 /* STARTTLS command requires CAPABILITY... */
1150                 BIO_printf(fbio,". CAPABILITY\r\n");
1151                 (void)BIO_flush(fbio);
1152                 /* wait for multi-line CAPABILITY response */
1153                 do
1154                         {
1155                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1156                         if (strstr(mbuf,"STARTTLS"))
1157                                 foundit=1;
1158                         }
1159                 while (mbuf_len>3 && mbuf[0]!='.');
1160                 (void)BIO_flush(fbio);
1161                 BIO_pop(fbio);
1162                 BIO_free(fbio);
1163                 if (!foundit)
1164                         BIO_printf(bio_err,
1165                                    "didn't found STARTTLS in server response,"
1166                                    " try anyway...\n");
1167                 BIO_printf(sbio,". STARTTLS\r\n");
1168                 BIO_read(sbio,sbuf,BUFSIZZ);
1169                 }
1170         else if (starttls_proto == PROTO_FTP)
1171                 {
1172                 BIO *fbio = BIO_new(BIO_f_buffer());
1173                 BIO_push(fbio, sbio);
1174                 /* wait for multi-line response to end from FTP */
1175                 do
1176                         {
1177                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1178                         }
1179                 while (mbuf_len>3 && mbuf[3]=='-');
1180                 (void)BIO_flush(fbio);
1181                 BIO_pop(fbio);
1182                 BIO_free(fbio);
1183                 BIO_printf(sbio,"AUTH TLS\r\n");
1184                 BIO_read(sbio,sbuf,BUFSIZZ);
1185                 }
1186         if (starttls_proto == PROTO_XMPP)
1187                 {
1188                 int seen = 0;
1189                 BIO_printf(sbio,"<stream:stream "
1190                     "xmlns:stream='http://etherx.jabber.org/streams' "
1191                     "xmlns='jabber:client' to='%s' version='1.0'>", host);
1192                 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1193                 mbuf[seen] = 0;
1194                 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1195                         {
1196                         if (strstr(mbuf, "/stream:features>"))
1197                                 goto shut;
1198                         seen = BIO_read(sbio,mbuf,BUFSIZZ);
1199                         mbuf[seen] = 0;
1200                         }
1201                 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1202                 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1203                 sbuf[seen] = 0;
1204                 if (!strstr(sbuf, "<proceed"))
1205                         goto shut;
1206                 mbuf[0] = 0;
1207                 }
1208
1209         for (;;)
1210                 {
1211                 FD_ZERO(&readfds);
1212                 FD_ZERO(&writefds);
1213
1214                 if ((SSL_version(con) == DTLS1_VERSION) &&
1215                         DTLSv1_get_timeout(con, &timeout))
1216                         timeoutp = &timeout;
1217                 else
1218                         timeoutp = NULL;
1219
1220                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1221                         {
1222                         in_init=1;
1223                         tty_on=0;
1224                         }
1225                 else
1226                         {
1227                         tty_on=1;
1228                         if (in_init)
1229                                 {
1230                                 in_init=0;
1231 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1232 #ifndef OPENSSL_NO_TLSEXT
1233                                 if (servername != NULL && !SSL_session_reused(con))
1234                                         {
1235                                         BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1236                                         }
1237 #endif
1238 #endif
1239                                 if (sess_out)
1240                                         {
1241                                         BIO *stmp = BIO_new_file(sess_out, "w");
1242                                         if (stmp)
1243                                                 {
1244                                                 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1245                                                 BIO_free(stmp);
1246                                                 }
1247                                         else 
1248                                                 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1249                                         }
1250                                 print_stuff(bio_c_out,con,full_log);
1251                                 if (full_log > 0) full_log--;
1252
1253                                 if (starttls_proto)
1254                                         {
1255                                         BIO_printf(bio_err,"%s",mbuf);
1256                                         /* We don't need to know any more */
1257                                         starttls_proto = PROTO_OFF;
1258                                         }
1259
1260                                 if (reconnect)
1261                                         {
1262                                         reconnect--;
1263                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1264                                         SSL_shutdown(con);
1265                                         SSL_set_connect_state(con);
1266                                         SHUTDOWN(SSL_get_fd(con));
1267                                         goto re_start;
1268                                         }
1269                                 }
1270                         }
1271
1272                 ssl_pending = read_ssl && SSL_pending(con);
1273
1274                 if (!ssl_pending)
1275                         {
1276 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1277                         if (tty_on)
1278                                 {
1279                                 if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
1280                                 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1281                                 }
1282                         if (read_ssl)
1283                                 openssl_fdset(SSL_get_fd(con),&readfds);
1284                         if (write_ssl)
1285                                 openssl_fdset(SSL_get_fd(con),&writefds);
1286 #else
1287                         if(!tty_on || !write_tty) {
1288                                 if (read_ssl)
1289                                         openssl_fdset(SSL_get_fd(con),&readfds);
1290                                 if (write_ssl)
1291                                         openssl_fdset(SSL_get_fd(con),&writefds);
1292                         }
1293 #endif
1294 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
1295                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1296
1297                         /* Note: under VMS with SOCKETSHR the second parameter
1298                          * is currently of type (int *) whereas under other
1299                          * systems it is (void *) if you don't have a cast it
1300                          * will choke the compiler: if you do have a cast then
1301                          * you can either go for (int *) or (void *).
1302                          */
1303 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1304                         /* Under Windows/DOS we make the assumption that we can
1305                          * always write to the tty: therefore if we need to
1306                          * write to the tty we just fall through. Otherwise
1307                          * we timeout the select every second and see if there
1308                          * are any keypresses. Note: this is a hack, in a proper
1309                          * Windows application we wouldn't do this.
1310                          */
1311                         i=0;
1312                         if(!write_tty) {
1313                                 if(read_tty) {
1314                                         tv.tv_sec = 1;
1315                                         tv.tv_usec = 0;
1316                                         i=select(width,(void *)&readfds,(void *)&writefds,
1317                                                  NULL,&tv);
1318 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1319                                         if(!i && (!_kbhit() || !read_tty) ) continue;
1320 #else
1321                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1322 #endif
1323                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1324                                          NULL,timeoutp);
1325                         }
1326 #elif defined(OPENSSL_SYS_NETWARE)
1327                         if(!write_tty) {
1328                                 if(read_tty) {
1329                                         tv.tv_sec = 1;
1330                                         tv.tv_usec = 0;
1331                                         i=select(width,(void *)&readfds,(void *)&writefds,
1332                                                 NULL,&tv);
1333                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1334                                         NULL,timeoutp);
1335                         }
1336 #elif defined(OPENSSL_SYS_BEOS_R5)
1337                         /* Under BeOS-R5 the situation is similar to DOS */
1338                         i=0;
1339                         stdin_set = 0;
1340                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1341                         if(!write_tty) {
1342                                 if(read_tty) {
1343                                         tv.tv_sec = 1;
1344                                         tv.tv_usec = 0;
1345                                         i=select(width,(void *)&readfds,(void *)&writefds,
1346                                                  NULL,&tv);
1347                                         if (read(fileno(stdin), sbuf, 0) >= 0)
1348                                                 stdin_set = 1;
1349                                         if (!i && (stdin_set != 1 || !read_tty))
1350                                                 continue;
1351                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1352                                          NULL,timeoutp);
1353                         }
1354                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1355 #else
1356                         i=select(width,(void *)&readfds,(void *)&writefds,
1357                                  NULL,timeoutp);
1358 #endif
1359                         if ( i < 0)
1360                                 {
1361                                 BIO_printf(bio_err,"bad select %d\n",
1362                                 get_last_socket_error());
1363                                 goto shut;
1364                                 /* goto end; */
1365                                 }
1366                         }
1367
1368                 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1369                         {
1370                         BIO_printf(bio_err,"TIMEOUT occured\n");
1371                         }
1372
1373                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1374                         {
1375                         k=SSL_write(con,&(cbuf[cbuf_off]),
1376                                 (unsigned int)cbuf_len);
1377                         switch (SSL_get_error(con,k))
1378                                 {
1379                         case SSL_ERROR_NONE:
1380                                 cbuf_off+=k;
1381                                 cbuf_len-=k;
1382                                 if (k <= 0) goto end;
1383                                 /* we have done a  write(con,NULL,0); */
1384                                 if (cbuf_len <= 0)
1385                                         {
1386                                         read_tty=1;
1387                                         write_ssl=0;
1388                                         }
1389                                 else /* if (cbuf_len > 0) */
1390                                         {
1391                                         read_tty=0;
1392                                         write_ssl=1;
1393                                         }
1394                                 break;
1395                         case SSL_ERROR_WANT_WRITE:
1396                                 BIO_printf(bio_c_out,"write W BLOCK\n");
1397                                 write_ssl=1;
1398                                 read_tty=0;
1399                                 break;
1400                         case SSL_ERROR_WANT_READ:
1401                                 BIO_printf(bio_c_out,"write R BLOCK\n");
1402                                 write_tty=0;
1403                                 read_ssl=1;
1404                                 write_ssl=0;
1405                                 break;
1406                         case SSL_ERROR_WANT_X509_LOOKUP:
1407                                 BIO_printf(bio_c_out,"write X BLOCK\n");
1408                                 break;
1409                         case SSL_ERROR_ZERO_RETURN:
1410                                 if (cbuf_len != 0)
1411                                         {
1412                                         BIO_printf(bio_c_out,"shutdown\n");
1413                                         ret = 0;
1414                                         goto shut;
1415                                         }
1416                                 else
1417                                         {
1418                                         read_tty=1;
1419                                         write_ssl=0;
1420                                         break;
1421                                         }
1422                                 
1423                         case SSL_ERROR_SYSCALL:
1424                                 if ((k != 0) || (cbuf_len != 0))
1425                                         {
1426                                         BIO_printf(bio_err,"write:errno=%d\n",
1427                                                 get_last_socket_error());
1428                                         goto shut;
1429                                         }
1430                                 else
1431                                         {
1432                                         read_tty=1;
1433                                         write_ssl=0;
1434                                         }
1435                                 break;
1436                         case SSL_ERROR_SSL:
1437                                 ERR_print_errors(bio_err);
1438                                 goto shut;
1439                                 }
1440                         }
1441 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1442                 /* Assume Windows/DOS/BeOS can always write */
1443                 else if (!ssl_pending && write_tty)
1444 #else
1445                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1446 #endif
1447                         {
1448 #ifdef CHARSET_EBCDIC
1449                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1450 #endif
1451                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1452
1453                         if (i <= 0)
1454                                 {
1455                                 BIO_printf(bio_c_out,"DONE\n");
1456                                 ret = 0;
1457                                 goto shut;
1458                                 /* goto end; */
1459                                 }
1460
1461                         sbuf_len-=i;;
1462                         sbuf_off+=i;
1463                         if (sbuf_len <= 0)
1464                                 {
1465                                 read_ssl=1;
1466                                 write_tty=0;
1467                                 }
1468                         }
1469                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1470                         {
1471 #ifdef RENEG
1472 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1473 #endif
1474 #if 1
1475                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1476 #else
1477 /* Demo for pending and peek :-) */
1478                         k=SSL_read(con,sbuf,16);
1479 { char zbuf[10240]; 
1480 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1481 }
1482 #endif
1483
1484                         switch (SSL_get_error(con,k))
1485                                 {
1486                         case SSL_ERROR_NONE:
1487                                 if (k <= 0)
1488                                         goto end;
1489                                 sbuf_off=0;
1490                                 sbuf_len=k;
1491
1492                                 read_ssl=0;
1493                                 write_tty=1;
1494                                 break;
1495                         case SSL_ERROR_WANT_WRITE:
1496                                 BIO_printf(bio_c_out,"read W BLOCK\n");
1497                                 write_ssl=1;
1498                                 read_tty=0;
1499                                 break;
1500                         case SSL_ERROR_WANT_READ:
1501                                 BIO_printf(bio_c_out,"read R BLOCK\n");
1502                                 write_tty=0;
1503                                 read_ssl=1;
1504                                 if ((read_tty == 0) && (write_ssl == 0))
1505                                         write_ssl=1;
1506                                 break;
1507                         case SSL_ERROR_WANT_X509_LOOKUP:
1508                                 BIO_printf(bio_c_out,"read X BLOCK\n");
1509                                 break;
1510                         case SSL_ERROR_SYSCALL:
1511                                 ret=get_last_socket_error();
1512                                 BIO_printf(bio_err,"read:errno=%d\n",ret);
1513                                 goto shut;
1514                         case SSL_ERROR_ZERO_RETURN:
1515                                 BIO_printf(bio_c_out,"closed\n");
1516                                 ret=0;
1517                                 goto shut;
1518                         case SSL_ERROR_SSL:
1519                                 ERR_print_errors(bio_err);
1520                                 goto shut;
1521                                 /* break; */
1522                                 }
1523                         }
1524
1525 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1526 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1527                 else if (_kbhit())
1528 #else
1529                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1530 #endif
1531 #elif defined (OPENSSL_SYS_NETWARE)
1532                 else if (_kbhit())
1533 #elif defined(OPENSSL_SYS_BEOS_R5)
1534                 else if (stdin_set)
1535 #else
1536                 else if (FD_ISSET(fileno(stdin),&readfds))
1537 #endif
1538                         {
1539                         if (crlf)
1540                                 {
1541                                 int j, lf_num;
1542
1543                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1544                                 lf_num = 0;
1545                                 /* both loops are skipped when i <= 0 */
1546                                 for (j = 0; j < i; j++)
1547                                         if (cbuf[j] == '\n')
1548                                                 lf_num++;
1549                                 for (j = i-1; j >= 0; j--)
1550                                         {
1551                                         cbuf[j+lf_num] = cbuf[j];
1552                                         if (cbuf[j] == '\n')
1553                                                 {
1554                                                 lf_num--;
1555                                                 i++;
1556                                                 cbuf[j+lf_num] = '\r';
1557                                                 }
1558                                         }
1559                                 assert(lf_num == 0);
1560                                 }
1561                         else
1562                                 i=raw_read_stdin(cbuf,BUFSIZZ);
1563
1564                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1565                                 {
1566                                 BIO_printf(bio_err,"DONE\n");
1567                                 ret=0;
1568                                 goto shut;
1569                                 }
1570
1571                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
1572                                 {
1573                                 BIO_printf(bio_err,"RENEGOTIATING\n");
1574                                 SSL_renegotiate(con);
1575                                 cbuf_len=0;
1576                                 }
1577                         else
1578                                 {
1579                                 cbuf_len=i;
1580                                 cbuf_off=0;
1581 #ifdef CHARSET_EBCDIC
1582                                 ebcdic2ascii(cbuf, cbuf, i);
1583 #endif
1584                                 }
1585
1586                         write_ssl=1;
1587                         read_tty=0;
1588                         }
1589                 }
1590
1591         ret=0;
1592 shut:
1593         if (in_init)
1594                 print_stuff(bio_c_out,con,full_log);
1595         SSL_shutdown(con);
1596         SHUTDOWN(SSL_get_fd(con));
1597 end:
1598         if (con != NULL)
1599                 {
1600                 if (prexit != 0)
1601                         print_stuff(bio_c_out,con,1);
1602                 SSL_free(con);
1603                 }
1604         if (ctx != NULL) SSL_CTX_free(ctx);
1605         if (cert)
1606                 X509_free(cert);
1607         if (key)
1608                 EVP_PKEY_free(key);
1609         if (pass)
1610                 OPENSSL_free(pass);
1611         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1612         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1613         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1614         if (bio_c_out != NULL)
1615                 {
1616                 BIO_free(bio_c_out);
1617                 bio_c_out=NULL;
1618                 }
1619         apps_shutdown();
1620         OPENSSL_EXIT(ret);
1621         }
1622
1623
1624 static void print_stuff(BIO *bio, SSL *s, int full)
1625         {
1626         X509 *peer=NULL;
1627         char *p;
1628         static const char *space="                ";
1629         char buf[BUFSIZ];
1630         STACK_OF(X509) *sk;
1631         STACK_OF(X509_NAME) *sk2;
1632         const SSL_CIPHER *c;
1633         X509_NAME *xn;
1634         int j,i;
1635 #ifndef OPENSSL_NO_COMP
1636         const COMP_METHOD *comp, *expansion;
1637 #endif
1638
1639         if (full)
1640                 {
1641                 int got_a_chain = 0;
1642
1643                 sk=SSL_get_peer_cert_chain(s);
1644                 if (sk != NULL)
1645                         {
1646                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1647
1648                         BIO_printf(bio,"---\nCertificate chain\n");
1649                         for (i=0; i<sk_X509_num(sk); i++)
1650                                 {
1651                                 X509_NAME_oneline(X509_get_subject_name(
1652                                         sk_X509_value(sk,i)),buf,sizeof buf);
1653                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
1654                                 X509_NAME_oneline(X509_get_issuer_name(
1655                                         sk_X509_value(sk,i)),buf,sizeof buf);
1656                                 BIO_printf(bio,"   i:%s\n",buf);
1657                                 if (c_showcerts)
1658                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1659                                 }
1660                         }
1661
1662                 BIO_printf(bio,"---\n");
1663                 peer=SSL_get_peer_certificate(s);
1664                 if (peer != NULL)
1665                         {
1666                         BIO_printf(bio,"Server certificate\n");
1667                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1668                                 PEM_write_bio_X509(bio,peer);
1669                         X509_NAME_oneline(X509_get_subject_name(peer),
1670                                 buf,sizeof buf);
1671                         BIO_printf(bio,"subject=%s\n",buf);
1672                         X509_NAME_oneline(X509_get_issuer_name(peer),
1673                                 buf,sizeof buf);
1674                         BIO_printf(bio,"issuer=%s\n",buf);
1675                         }
1676                 else
1677                         BIO_printf(bio,"no peer certificate available\n");
1678
1679                 sk2=SSL_get_client_CA_list(s);
1680                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1681                         {
1682                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1683                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
1684                                 {
1685                                 xn=sk_X509_NAME_value(sk2,i);
1686                                 X509_NAME_oneline(xn,buf,sizeof(buf));
1687                                 BIO_write(bio,buf,strlen(buf));
1688                                 BIO_write(bio,"\n",1);
1689                                 }
1690                         }
1691                 else
1692                         {
1693                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1694                         }
1695                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1696                 if (p != NULL)
1697                         {
1698                         /* This works only for SSL 2.  In later protocol
1699                          * versions, the client does not know what other
1700                          * ciphers (in addition to the one to be used
1701                          * in the current connection) the server supports. */
1702
1703                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1704                         j=i=0;
1705                         while (*p)
1706                                 {
1707                                 if (*p == ':')
1708                                         {
1709                                         BIO_write(bio,space,15-j%25);
1710                                         i++;
1711                                         j=0;
1712                                         BIO_write(bio,((i%3)?" ":"\n"),1);
1713                                         }
1714                                 else
1715                                         {
1716                                         BIO_write(bio,p,1);
1717                                         j++;
1718                                         }
1719                                 p++;
1720                                 }
1721                         BIO_write(bio,"\n",1);
1722                         }
1723
1724                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1725                         BIO_number_read(SSL_get_rbio(s)),
1726                         BIO_number_written(SSL_get_wbio(s)));
1727                 }
1728         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1729         c=SSL_get_current_cipher(s);
1730         BIO_printf(bio,"%s, Cipher is %s\n",
1731                 SSL_CIPHER_get_version(c),
1732                 SSL_CIPHER_get_name(c));
1733         if (peer != NULL) {
1734                 EVP_PKEY *pktmp;
1735                 pktmp = X509_get_pubkey(peer);
1736                 BIO_printf(bio,"Server public key is %d bit\n",
1737                                                          EVP_PKEY_bits(pktmp));
1738                 EVP_PKEY_free(pktmp);
1739         }
1740         BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1741                         SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1742 #ifndef OPENSSL_NO_COMP
1743         comp=SSL_get_current_compression(s);
1744         expansion=SSL_get_current_expansion(s);
1745         BIO_printf(bio,"Compression: %s\n",
1746                 comp ? SSL_COMP_get_name(comp) : "NONE");
1747         BIO_printf(bio,"Expansion: %s\n",
1748                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1749 #endif
1750         SSL_SESSION_print(bio,SSL_get_session(s));
1751         BIO_printf(bio,"---\n");
1752         if (peer != NULL)
1753                 X509_free(peer);
1754         /* flush, or debugging output gets mixed with http response */
1755         (void)BIO_flush(bio);
1756         }
1757
1758 #ifndef OPENSSL_NO_TLSEXT
1759
1760 static int ocsp_resp_cb(SSL *s, void *arg)
1761         {
1762         const unsigned char *p;
1763         int len;
1764         OCSP_RESPONSE *rsp;
1765         len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1766         BIO_puts(arg, "OCSP response: ");
1767         if (!p)
1768                 {
1769                 BIO_puts(arg, "no response sent\n");
1770                 return 1;
1771                 }
1772         rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1773         if (!rsp)
1774                 {
1775                 BIO_puts(arg, "response parse error\n");
1776                 BIO_dump_indent(arg, (char *)p, len, 4);
1777                 return 0;
1778                 }
1779         BIO_puts(arg, "\n======================================\n");
1780         OCSP_RESPONSE_print(arg, rsp, 0);
1781         BIO_puts(arg, "======================================\n");
1782         OCSP_RESPONSE_free(rsp);
1783         return 1;
1784         }
1785
1786 #endif