Make OPENSSL_NO_COMP compile again.
[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) 1998-2001 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer. 
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111
112 #include <assert.h>
113 #include <stdio.h>
114 #include <stdlib.h>
115 #include <string.h>
116 #include <openssl/e_os2.h>
117 #ifdef OPENSSL_NO_STDIO
118 #define APPS_WIN16
119 #endif
120
121 /* With IPv6, it looks like Digital has mixed up the proper order of
122    recursive header file inclusion, resulting in the compiler complaining
123    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
124    is needed to have fileno() declared correctly...  So let's define u_int */
125 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
126 #define __U_INT
127 typedef unsigned int u_int;
128 #endif
129
130 #define USE_SOCKETS
131 #include "apps.h"
132 #include <openssl/x509.h>
133 #include <openssl/ssl.h>
134 #include <openssl/err.h>
135 #include <openssl/pem.h>
136 #include <openssl/rand.h>
137 #include "s_apps.h"
138 #include "timeouts.h"
139
140 #ifdef OPENSSL_SYS_WINCE
141 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
142 #ifdef fileno
143 #undef fileno
144 #endif
145 #define fileno(a) (int)_fileno(a)
146 #endif
147
148
149 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
150 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
151 #undef FIONBIO
152 #endif
153
154 #undef PROG
155 #define PROG    s_client_main
156
157 /*#define SSL_HOST_NAME "www.netscape.com" */
158 /*#define SSL_HOST_NAME "193.118.187.102" */
159 #define SSL_HOST_NAME   "localhost"
160
161 /*#define TEST_CERT "client.pem" */ /* no default cert. */
162
163 #undef BUFSIZZ
164 #define BUFSIZZ 1024*8
165
166 extern int verify_depth;
167 extern int verify_error;
168
169 #ifdef FIONBIO
170 static int c_nbio=0;
171 #endif
172 static int c_Pause=0;
173 static int c_debug=0;
174 static int c_msg=0;
175 static int c_showcerts=0;
176
177 static void sc_usage(void);
178 static void print_stuff(BIO *berr,SSL *con,int full);
179 static BIO *bio_c_out=NULL;
180 static int c_quiet=0;
181 static int c_ign_eof=0;
182
183 static void sc_usage(void)
184         {
185         BIO_printf(bio_err,"usage: s_client args\n");
186         BIO_printf(bio_err,"\n");
187         BIO_printf(bio_err," -host host     - use -connect instead\n");
188         BIO_printf(bio_err," -port port     - use -connect instead\n");
189         BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
190
191         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
192         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
193         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
194         BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
195         BIO_printf(bio_err,"                 not specified but cert file is.\n");
196         BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
197         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
198         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
199         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
200         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
201         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
202         BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
203         BIO_printf(bio_err," -debug        - extra output\n");
204 #ifdef WATT32
205         BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
206 #endif
207         BIO_printf(bio_err," -msg          - Show protocol messages\n");
208         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
209         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
210 #ifdef FIONBIO
211         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
212 #endif
213         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
214         BIO_printf(bio_err," -quiet        - no s_client output\n");
215         BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");
216         BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
217         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
218         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
219         BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");    
220         BIO_printf(bio_err," -mtu          - set the MTU\n");
221         BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
222         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
223         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
224         BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
225         BIO_printf(bio_err,"                 command to see what is available\n");
226         BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
227         BIO_printf(bio_err,"                 for those protocols that support it, where\n");
228         BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
229         BIO_printf(bio_err,"                 only \"smtp\" and \"pop3\" are supported.\n");
230 #ifndef OPENSSL_NO_ENGINE
231         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
232 #endif
233         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
234
235         }
236
237 int MAIN(int, char **);
238
239 int MAIN(int argc, char **argv)
240         {
241         int off=0;
242         SSL *con=NULL,*con2=NULL;
243         X509_STORE *store = NULL;
244         int s,k,width,state=0;
245         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
246         int cbuf_len,cbuf_off;
247         int sbuf_len,sbuf_off;
248         fd_set readfds,writefds;
249         short port=PORT;
250         int full_log=1;
251         char *host=SSL_HOST_NAME;
252         char *cert_file=NULL,*key_file=NULL;
253         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
254         char *passarg = NULL, *pass = NULL;
255         X509 *cert = NULL;
256         EVP_PKEY *key = NULL;
257         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
258         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
259         int crlf=0;
260         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
261         SSL_CTX *ctx=NULL;
262         int ret=1,in_init=1,i,nbio_test=0;
263         int starttls_proto = 0;
264         int prexit = 0, vflags = 0;
265         const SSL_METHOD *meth=NULL;
266 #ifdef sock_type
267 #undef sock_type
268 #endif
269         int sock_type=SOCK_STREAM;
270         BIO *sbio;
271         char *inrand=NULL;
272 #ifndef OPENSSL_NO_ENGINE
273         char *engine_id=NULL;
274         ENGINE *e=NULL;
275 #endif
276 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
277         struct timeval tv;
278 #endif
279
280         struct sockaddr peer;
281         int peerlen = sizeof(peer);
282         int enable_timeouts = 0 ;
283         long mtu = 0;
284
285 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
286         meth=SSLv23_client_method();
287 #elif !defined(OPENSSL_NO_SSL3)
288         meth=SSLv3_client_method();
289 #elif !defined(OPENSSL_NO_SSL2)
290         meth=SSLv2_client_method();
291 #endif
292
293         apps_startup();
294         c_Pause=0;
295         c_quiet=0;
296         c_ign_eof=0;
297         c_debug=0;
298         c_msg=0;
299         c_showcerts=0;
300
301         if (bio_err == NULL)
302                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
303
304         if (!load_config(bio_err, NULL))
305                 goto end;
306
307         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
308                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
309                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
310                 {
311                 BIO_printf(bio_err,"out of memory\n");
312                 goto end;
313                 }
314
315         verify_depth=0;
316         verify_error=X509_V_OK;
317 #ifdef FIONBIO
318         c_nbio=0;
319 #endif
320
321         argc--;
322         argv++;
323         while (argc >= 1)
324                 {
325                 if      (strcmp(*argv,"-host") == 0)
326                         {
327                         if (--argc < 1) goto bad;
328                         host= *(++argv);
329                         }
330                 else if (strcmp(*argv,"-port") == 0)
331                         {
332                         if (--argc < 1) goto bad;
333                         port=atoi(*(++argv));
334                         if (port == 0) goto bad;
335                         }
336                 else if (strcmp(*argv,"-connect") == 0)
337                         {
338                         if (--argc < 1) goto bad;
339                         if (!extract_host_port(*(++argv),&host,NULL,&port))
340                                 goto bad;
341                         }
342                 else if (strcmp(*argv,"-verify") == 0)
343                         {
344                         verify=SSL_VERIFY_PEER;
345                         if (--argc < 1) goto bad;
346                         verify_depth=atoi(*(++argv));
347                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
348                         }
349                 else if (strcmp(*argv,"-cert") == 0)
350                         {
351                         if (--argc < 1) goto bad;
352                         cert_file= *(++argv);
353                         }
354                 else if (strcmp(*argv,"-certform") == 0)
355                         {
356                         if (--argc < 1) goto bad;
357                         cert_format = str2fmt(*(++argv));
358                         }
359                 else if (strcmp(*argv,"-crl_check") == 0)
360                         vflags |= X509_V_FLAG_CRL_CHECK;
361                 else if (strcmp(*argv,"-crl_check_all") == 0)
362                         vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
363                 else if (strcmp(*argv,"-prexit") == 0)
364                         prexit=1;
365                 else if (strcmp(*argv,"-crlf") == 0)
366                         crlf=1;
367                 else if (strcmp(*argv,"-quiet") == 0)
368                         {
369                         c_quiet=1;
370                         c_ign_eof=1;
371                         }
372                 else if (strcmp(*argv,"-ign_eof") == 0)
373                         c_ign_eof=1;
374                 else if (strcmp(*argv,"-pause") == 0)
375                         c_Pause=1;
376                 else if (strcmp(*argv,"-debug") == 0)
377                         c_debug=1;
378 #ifdef WATT32
379                 else if (strcmp(*argv,"-wdebug") == 0)
380                         dbug_init();
381 #endif
382                 else if (strcmp(*argv,"-msg") == 0)
383                         c_msg=1;
384                 else if (strcmp(*argv,"-showcerts") == 0)
385                         c_showcerts=1;
386                 else if (strcmp(*argv,"-nbio_test") == 0)
387                         nbio_test=1;
388                 else if (strcmp(*argv,"-state") == 0)
389                         state=1;
390 #ifndef OPENSSL_NO_SSL2
391                 else if (strcmp(*argv,"-ssl2") == 0)
392                         meth=SSLv2_client_method();
393 #endif
394 #ifndef OPENSSL_NO_SSL3
395                 else if (strcmp(*argv,"-ssl3") == 0)
396                         meth=SSLv3_client_method();
397 #endif
398 #ifndef OPENSSL_NO_TLS1
399                 else if (strcmp(*argv,"-tls1") == 0)
400                         meth=TLSv1_client_method();
401 #endif
402 #ifndef OPENSSL_NO_DTLS1
403                 else if (strcmp(*argv,"-dtls1") == 0)
404                         {
405                         meth=DTLSv1_client_method();
406                         sock_type=SOCK_DGRAM;
407                         }
408                 else if (strcmp(*argv,"-timeout") == 0)
409                         enable_timeouts=1;
410                 else if (strcmp(*argv,"-mtu") == 0)
411                         {
412                         if (--argc < 1) goto bad;
413                         mtu = atol(*(++argv));
414                         }
415 #endif
416                 else if (strcmp(*argv,"-bugs") == 0)
417                         bugs=1;
418                 else if (strcmp(*argv,"-keyform") == 0)
419                         {
420                         if (--argc < 1) goto bad;
421                         key_format = str2fmt(*(++argv));
422                         }
423                 else if (strcmp(*argv,"-pass") == 0)
424                         {
425                         if (--argc < 1) goto bad;
426                         passarg = *(++argv);
427                         }
428                 else if (strcmp(*argv,"-key") == 0)
429                         {
430                         if (--argc < 1) goto bad;
431                         key_file= *(++argv);
432                         }
433                 else if (strcmp(*argv,"-reconnect") == 0)
434                         {
435                         reconnect=5;
436                         }
437                 else if (strcmp(*argv,"-CApath") == 0)
438                         {
439                         if (--argc < 1) goto bad;
440                         CApath= *(++argv);
441                         }
442                 else if (strcmp(*argv,"-CAfile") == 0)
443                         {
444                         if (--argc < 1) goto bad;
445                         CAfile= *(++argv);
446                         }
447                 else if (strcmp(*argv,"-no_tls1") == 0)
448                         off|=SSL_OP_NO_TLSv1;
449                 else if (strcmp(*argv,"-no_ssl3") == 0)
450                         off|=SSL_OP_NO_SSLv3;
451                 else if (strcmp(*argv,"-no_ssl2") == 0)
452                         off|=SSL_OP_NO_SSLv2;
453                 else if (strcmp(*argv,"-serverpref") == 0)
454                         off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
455                 else if (strcmp(*argv,"-cipher") == 0)
456                         {
457                         if (--argc < 1) goto bad;
458                         cipher= *(++argv);
459                         }
460 #ifdef FIONBIO
461                 else if (strcmp(*argv,"-nbio") == 0)
462                         { c_nbio=1; }
463 #endif
464                 else if (strcmp(*argv,"-starttls") == 0)
465                         {
466                         if (--argc < 1) goto bad;
467                         ++argv;
468                         if (strcmp(*argv,"smtp") == 0)
469                                 starttls_proto = 1;
470                         else if (strcmp(*argv,"pop3") == 0)
471                                 starttls_proto = 2;
472                         else
473                                 goto bad;
474                         }
475 #ifndef OPENSSL_NO_ENGINE
476                 else if (strcmp(*argv,"-engine") == 0)
477                         {
478                         if (--argc < 1) goto bad;
479                         engine_id = *(++argv);
480                         }
481 #endif
482                 else if (strcmp(*argv,"-rand") == 0)
483                         {
484                         if (--argc < 1) goto bad;
485                         inrand= *(++argv);
486                         }
487                 else
488                         {
489                         BIO_printf(bio_err,"unknown option %s\n",*argv);
490                         badop=1;
491                         break;
492                         }
493                 argc--;
494                 argv++;
495                 }
496         if (badop)
497                 {
498 bad:
499                 sc_usage();
500                 goto end;
501                 }
502
503         OpenSSL_add_ssl_algorithms();
504         SSL_load_error_strings();
505
506 #ifndef OPENSSL_NO_ENGINE
507         e = setup_engine(bio_err, engine_id, 1);
508 #endif
509         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
510                 {
511                 BIO_printf(bio_err, "Error getting password\n");
512                 goto end;
513                 }
514
515         if (key_file == NULL)
516                 key_file = cert_file;
517
518
519         if (key_file)
520
521                 {
522
523                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
524                                "client certificate private key file");
525                 if (!key)
526                         {
527                         ERR_print_errors(bio_err);
528                         goto end;
529                         }
530
531                 }
532
533         if (cert_file)
534
535                 {
536                 cert = load_cert(bio_err,cert_file,cert_format,
537                                 NULL, e, "client certificate file");
538
539                 if (!cert)
540                         {
541                         ERR_print_errors(bio_err);
542                         goto end;
543                         }
544                 }
545
546         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
547                 && !RAND_status())
548                 {
549                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
550                 }
551         if (inrand != NULL)
552                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
553                         app_RAND_load_files(inrand));
554
555         if (bio_c_out == NULL)
556                 {
557                 if (c_quiet && !c_debug && !c_msg)
558                         {
559                         bio_c_out=BIO_new(BIO_s_null());
560                         }
561                 else
562                         {
563                         if (bio_c_out == NULL)
564                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
565                         }
566                 }
567
568         ctx=SSL_CTX_new(meth);
569         if (ctx == NULL)
570                 {
571                 ERR_print_errors(bio_err);
572                 goto end;
573                 }
574
575         if (bugs)
576                 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
577         else
578                 SSL_CTX_set_options(ctx,off);
579         /* DTLS: partial reads end up discarding unread UDP bytes :-( 
580          * Setting read ahead solves this problem.
581          */
582         if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
583
584         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
585         if (cipher != NULL)
586                 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
587                 BIO_printf(bio_err,"error setting cipher list\n");
588                 ERR_print_errors(bio_err);
589                 goto end;
590         }
591 #if 0
592         else
593                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
594 #endif
595
596         SSL_CTX_set_verify(ctx,verify,verify_callback);
597         if (!set_cert_key_stuff(ctx,cert,key))
598                 goto end;
599
600         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
601                 (!SSL_CTX_set_default_verify_paths(ctx)))
602                 {
603                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
604                 ERR_print_errors(bio_err);
605                 /* goto end; */
606                 }
607
608         store = SSL_CTX_get_cert_store(ctx);
609         X509_STORE_set_flags(store, vflags);
610
611         con=SSL_new(ctx);
612 #ifndef OPENSSL_NO_KRB5
613         if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
614                 {
615                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
616                 }
617 #endif  /* OPENSSL_NO_KRB5  */
618 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
619
620 re_start:
621
622         if (init_client(&s,host,port,sock_type) == 0)
623                 {
624                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
625                 SHUTDOWN(s);
626                 goto end;
627                 }
628         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
629
630 #ifdef FIONBIO
631         if (c_nbio)
632                 {
633                 unsigned long l=1;
634                 BIO_printf(bio_c_out,"turning on non blocking io\n");
635                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
636                         {
637                         ERR_print_errors(bio_err);
638                         goto end;
639                         }
640                 }
641 #endif                                              
642         if (c_Pause & 0x01) con->debug=1;
643
644         if ( SSL_version(con) == DTLS1_VERSION)
645                 {
646                 struct timeval timeout;
647
648                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
649                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
650                         {
651                         BIO_printf(bio_err, "getsockname:errno=%d\n",
652                                 get_last_socket_error());
653                         SHUTDOWN(s);
654                         goto end;
655                         }
656
657                 BIO_ctrl_set_connected(sbio, 1, &peer);
658
659                 if ( enable_timeouts)
660                         {
661                         timeout.tv_sec = 0;
662                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
663                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
664                         
665                         timeout.tv_sec = 0;
666                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
667                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
668                         }
669
670                 if ( mtu > 0)
671                         {
672                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
673                         SSL_set_mtu(con, mtu);
674                         }
675                 else
676                         /* want to do MTU discovery */
677                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
678                 }
679         else
680                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
681
682
683
684         if (nbio_test)
685                 {
686                 BIO *test;
687
688                 test=BIO_new(BIO_f_nbio_test());
689                 sbio=BIO_push(test,sbio);
690                 }
691
692         if (c_debug)
693                 {
694                 con->debug=1;
695                 BIO_set_callback(sbio,bio_dump_callback);
696                 BIO_set_callback_arg(sbio,bio_c_out);
697                 }
698         if (c_msg)
699                 {
700                 SSL_set_msg_callback(con, msg_cb);
701                 SSL_set_msg_callback_arg(con, bio_c_out);
702                 }
703
704         SSL_set_bio(con,sbio,sbio);
705         SSL_set_connect_state(con);
706
707         /* ok, lets connect */
708         width=SSL_get_fd(con)+1;
709
710         read_tty=1;
711         write_tty=0;
712         tty_on=0;
713         read_ssl=1;
714         write_ssl=1;
715         
716         cbuf_len=0;
717         cbuf_off=0;
718         sbuf_len=0;
719         sbuf_off=0;
720
721         /* This is an ugly hack that does a lot of assumptions */
722         if (starttls_proto == 1)
723                 {
724                 BIO_read(sbio,mbuf,BUFSIZZ);
725                 BIO_printf(sbio,"STARTTLS\r\n");
726                 BIO_read(sbio,sbuf,BUFSIZZ);
727                 }
728         if (starttls_proto == 2)
729                 {
730                 BIO_read(sbio,mbuf,BUFSIZZ);
731                 BIO_printf(sbio,"STLS\r\n");
732                 BIO_read(sbio,sbuf,BUFSIZZ);
733                 }
734
735         for (;;)
736                 {
737                 FD_ZERO(&readfds);
738                 FD_ZERO(&writefds);
739
740                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
741                         {
742                         in_init=1;
743                         tty_on=0;
744                         }
745                 else
746                         {
747                         tty_on=1;
748                         if (in_init)
749                                 {
750                                 in_init=0;
751                                 print_stuff(bio_c_out,con,full_log);
752                                 if (full_log > 0) full_log--;
753
754                                 if (starttls_proto)
755                                         {
756                                         BIO_printf(bio_err,"%s",mbuf);
757                                         /* We don't need to know any more */
758                                         starttls_proto = 0;
759                                         }
760
761                                 if (reconnect)
762                                         {
763                                         reconnect--;
764                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
765                                         SSL_shutdown(con);
766                                         SSL_set_connect_state(con);
767                                         SHUTDOWN(SSL_get_fd(con));
768                                         goto re_start;
769                                         }
770                                 }
771                         }
772
773                 ssl_pending = read_ssl && SSL_pending(con);
774
775                 if (!ssl_pending)
776                         {
777 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
778                         if (tty_on)
779                                 {
780                                 if (read_tty)  FD_SET(fileno(stdin),&readfds);
781                                 if (write_tty) FD_SET(fileno(stdout),&writefds);
782                                 }
783                         if (read_ssl)
784                                 FD_SET(SSL_get_fd(con),&readfds);
785                         if (write_ssl)
786                                 FD_SET(SSL_get_fd(con),&writefds);
787 #else
788                         if(!tty_on || !write_tty) {
789                                 if (read_ssl)
790                                         FD_SET(SSL_get_fd(con),&readfds);
791                                 if (write_ssl)
792                                         FD_SET(SSL_get_fd(con),&writefds);
793                         }
794 #endif
795 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
796                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
797
798                         /* Note: under VMS with SOCKETSHR the second parameter
799                          * is currently of type (int *) whereas under other
800                          * systems it is (void *) if you don't have a cast it
801                          * will choke the compiler: if you do have a cast then
802                          * you can either go for (int *) or (void *).
803                          */
804 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
805                         /* Under Windows/DOS we make the assumption that we can
806                          * always write to the tty: therefore if we need to
807                          * write to the tty we just fall through. Otherwise
808                          * we timeout the select every second and see if there
809                          * are any keypresses. Note: this is a hack, in a proper
810                          * Windows application we wouldn't do this.
811                          */
812                         i=0;
813                         if(!write_tty) {
814                                 if(read_tty) {
815                                         tv.tv_sec = 1;
816                                         tv.tv_usec = 0;
817                                         i=select(width,(void *)&readfds,(void *)&writefds,
818                                                  NULL,&tv);
819 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
820                                         if(!i && (!_kbhit() || !read_tty) ) continue;
821 #else
822                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
823 #endif
824                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
825                                          NULL,NULL);
826                         }
827 #elif defined(OPENSSL_SYS_NETWARE)
828                         if(!write_tty) {
829                                 if(read_tty) {
830                                         tv.tv_sec = 1;
831                                         tv.tv_usec = 0;
832                                         i=select(width,(void *)&readfds,(void *)&writefds,
833                                                 NULL,&tv);
834                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
835                                         NULL,NULL);
836                         }
837 #else
838                         i=select(width,(void *)&readfds,(void *)&writefds,
839                                  NULL,NULL);
840 #endif
841                         if ( i < 0)
842                                 {
843                                 BIO_printf(bio_err,"bad select %d\n",
844                                 get_last_socket_error());
845                                 goto shut;
846                                 /* goto end; */
847                                 }
848                         }
849
850                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
851                         {
852                         k=SSL_write(con,&(cbuf[cbuf_off]),
853                                 (unsigned int)cbuf_len);
854                         switch (SSL_get_error(con,k))
855                                 {
856                         case SSL_ERROR_NONE:
857                                 cbuf_off+=k;
858                                 cbuf_len-=k;
859                                 if (k <= 0) goto end;
860                                 /* we have done a  write(con,NULL,0); */
861                                 if (cbuf_len <= 0)
862                                         {
863                                         read_tty=1;
864                                         write_ssl=0;
865                                         }
866                                 else /* if (cbuf_len > 0) */
867                                         {
868                                         read_tty=0;
869                                         write_ssl=1;
870                                         }
871                                 break;
872                         case SSL_ERROR_WANT_WRITE:
873                                 BIO_printf(bio_c_out,"write W BLOCK\n");
874                                 write_ssl=1;
875                                 read_tty=0;
876                                 break;
877                         case SSL_ERROR_WANT_READ:
878                                 BIO_printf(bio_c_out,"write R BLOCK\n");
879                                 write_tty=0;
880                                 read_ssl=1;
881                                 write_ssl=0;
882                                 break;
883                         case SSL_ERROR_WANT_X509_LOOKUP:
884                                 BIO_printf(bio_c_out,"write X BLOCK\n");
885                                 break;
886                         case SSL_ERROR_ZERO_RETURN:
887                                 if (cbuf_len != 0)
888                                         {
889                                         BIO_printf(bio_c_out,"shutdown\n");
890                                         goto shut;
891                                         }
892                                 else
893                                         {
894                                         read_tty=1;
895                                         write_ssl=0;
896                                         break;
897                                         }
898                                 
899                         case SSL_ERROR_SYSCALL:
900                                 if ((k != 0) || (cbuf_len != 0))
901                                         {
902                                         BIO_printf(bio_err,"write:errno=%d\n",
903                                                 get_last_socket_error());
904                                         goto shut;
905                                         }
906                                 else
907                                         {
908                                         read_tty=1;
909                                         write_ssl=0;
910                                         }
911                                 break;
912                         case SSL_ERROR_SSL:
913                                 ERR_print_errors(bio_err);
914                                 goto shut;
915                                 }
916                         }
917 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
918                 /* Assume Windows/DOS can always write */
919                 else if (!ssl_pending && write_tty)
920 #else
921                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
922 #endif
923                         {
924 #ifdef CHARSET_EBCDIC
925                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
926 #endif
927                         i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
928
929                         if (i <= 0)
930                                 {
931                                 BIO_printf(bio_c_out,"DONE\n");
932                                 goto shut;
933                                 /* goto end; */
934                                 }
935
936                         sbuf_len-=i;;
937                         sbuf_off+=i;
938                         if (sbuf_len <= 0)
939                                 {
940                                 read_ssl=1;
941                                 write_tty=0;
942                                 }
943                         }
944                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
945                         {
946 #ifdef RENEG
947 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
948 #endif
949 #if 1
950                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
951 #else
952 /* Demo for pending and peek :-) */
953                         k=SSL_read(con,sbuf,16);
954 { char zbuf[10240]; 
955 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
956 }
957 #endif
958
959                         switch (SSL_get_error(con,k))
960                                 {
961                         case SSL_ERROR_NONE:
962                                 if (k <= 0)
963                                         goto end;
964                                 sbuf_off=0;
965                                 sbuf_len=k;
966
967                                 read_ssl=0;
968                                 write_tty=1;
969                                 break;
970                         case SSL_ERROR_WANT_WRITE:
971                                 BIO_printf(bio_c_out,"read W BLOCK\n");
972                                 write_ssl=1;
973                                 read_tty=0;
974                                 break;
975                         case SSL_ERROR_WANT_READ:
976                                 BIO_printf(bio_c_out,"read R BLOCK\n");
977                                 write_tty=0;
978                                 read_ssl=1;
979                                 if ((read_tty == 0) && (write_ssl == 0))
980                                         write_ssl=1;
981                                 break;
982                         case SSL_ERROR_WANT_X509_LOOKUP:
983                                 BIO_printf(bio_c_out,"read X BLOCK\n");
984                                 break;
985                         case SSL_ERROR_SYSCALL:
986                                 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
987                                 goto shut;
988                         case SSL_ERROR_ZERO_RETURN:
989                                 BIO_printf(bio_c_out,"closed\n");
990                                 goto shut;
991                         case SSL_ERROR_SSL:
992                                 ERR_print_errors(bio_err);
993                                 goto shut;
994                                 /* break; */
995                                 }
996                         }
997
998 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
999 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1000                 else if (_kbhit())
1001 #else
1002                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1003 #endif
1004 #elif defined (OPENSSL_SYS_NETWARE)
1005         else if (_kbhit())
1006 #else
1007                 else if (FD_ISSET(fileno(stdin),&readfds))
1008 #endif
1009                         {
1010                         if (crlf)
1011                                 {
1012                                 int j, lf_num;
1013
1014                                 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
1015                                 lf_num = 0;
1016                                 /* both loops are skipped when i <= 0 */
1017                                 for (j = 0; j < i; j++)
1018                                         if (cbuf[j] == '\n')
1019                                                 lf_num++;
1020                                 for (j = i-1; j >= 0; j--)
1021                                         {
1022                                         cbuf[j+lf_num] = cbuf[j];
1023                                         if (cbuf[j] == '\n')
1024                                                 {
1025                                                 lf_num--;
1026                                                 i++;
1027                                                 cbuf[j+lf_num] = '\r';
1028                                                 }
1029                                         }
1030                                 assert(lf_num == 0);
1031                                 }
1032                         else
1033                                 i=read(fileno(stdin),cbuf,BUFSIZZ);
1034
1035                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1036                                 {
1037                                 BIO_printf(bio_err,"DONE\n");
1038                                 goto shut;
1039                                 }
1040
1041                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
1042                                 {
1043                                 BIO_printf(bio_err,"RENEGOTIATING\n");
1044                                 SSL_renegotiate(con);
1045                                 cbuf_len=0;
1046                                 }
1047                         else
1048                                 {
1049                                 cbuf_len=i;
1050                                 cbuf_off=0;
1051 #ifdef CHARSET_EBCDIC
1052                                 ebcdic2ascii(cbuf, cbuf, i);
1053 #endif
1054                                 }
1055
1056                         write_ssl=1;
1057                         read_tty=0;
1058                         }
1059                 }
1060 shut:
1061         SSL_shutdown(con);
1062         SHUTDOWN(SSL_get_fd(con));
1063         ret=0;
1064 end:
1065         if(prexit) print_stuff(bio_c_out,con,1);
1066         if (con != NULL) SSL_free(con);
1067         if (con2 != NULL) SSL_free(con2);
1068         if (ctx != NULL) SSL_CTX_free(ctx);
1069         if (cert)
1070                 X509_free(cert);
1071         if (key)
1072                 EVP_PKEY_free(key);
1073         if (pass)
1074                 OPENSSL_free(pass);
1075         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1076         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1077         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1078         if (bio_c_out != NULL)
1079                 {
1080                 BIO_free(bio_c_out);
1081                 bio_c_out=NULL;
1082                 }
1083         apps_shutdown();
1084         OPENSSL_EXIT(ret);
1085         }
1086
1087
1088 static void print_stuff(BIO *bio, SSL *s, int full)
1089         {
1090         X509 *peer=NULL;
1091         char *p;
1092         static const char *space="                ";
1093         char buf[BUFSIZ];
1094         STACK_OF(X509) *sk;
1095         STACK_OF(X509_NAME) *sk2;
1096         SSL_CIPHER *c;
1097         X509_NAME *xn;
1098         int j,i;
1099 #ifndef OPENSSL_NO_COMP
1100         const COMP_METHOD *comp, *expansion;
1101 #endif
1102
1103         if (full)
1104                 {
1105                 int got_a_chain = 0;
1106
1107                 sk=SSL_get_peer_cert_chain(s);
1108                 if (sk != NULL)
1109                         {
1110                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1111
1112                         BIO_printf(bio,"---\nCertificate chain\n");
1113                         for (i=0; i<sk_X509_num(sk); i++)
1114                                 {
1115                                 X509_NAME_oneline(X509_get_subject_name(
1116                                         sk_X509_value(sk,i)),buf,sizeof buf);
1117                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
1118                                 X509_NAME_oneline(X509_get_issuer_name(
1119                                         sk_X509_value(sk,i)),buf,sizeof buf);
1120                                 BIO_printf(bio,"   i:%s\n",buf);
1121                                 if (c_showcerts)
1122                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1123                                 }
1124                         }
1125
1126                 BIO_printf(bio,"---\n");
1127                 peer=SSL_get_peer_certificate(s);
1128                 if (peer != NULL)
1129                         {
1130                         BIO_printf(bio,"Server certificate\n");
1131                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1132                                 PEM_write_bio_X509(bio,peer);
1133                         X509_NAME_oneline(X509_get_subject_name(peer),
1134                                 buf,sizeof buf);
1135                         BIO_printf(bio,"subject=%s\n",buf);
1136                         X509_NAME_oneline(X509_get_issuer_name(peer),
1137                                 buf,sizeof buf);
1138                         BIO_printf(bio,"issuer=%s\n",buf);
1139                         }
1140                 else
1141                         BIO_printf(bio,"no peer certificate available\n");
1142
1143                 sk2=SSL_get_client_CA_list(s);
1144                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1145                         {
1146                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1147                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
1148                                 {
1149                                 xn=sk_X509_NAME_value(sk2,i);
1150                                 X509_NAME_oneline(xn,buf,sizeof(buf));
1151                                 BIO_write(bio,buf,strlen(buf));
1152                                 BIO_write(bio,"\n",1);
1153                                 }
1154                         }
1155                 else
1156                         {
1157                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1158                         }
1159                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1160                 if (p != NULL)
1161                         {
1162                         /* This works only for SSL 2.  In later protocol
1163                          * versions, the client does not know what other
1164                          * ciphers (in addition to the one to be used
1165                          * in the current connection) the server supports. */
1166
1167                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1168                         j=i=0;
1169                         while (*p)
1170                                 {
1171                                 if (*p == ':')
1172                                         {
1173                                         BIO_write(bio,space,15-j%25);
1174                                         i++;
1175                                         j=0;
1176                                         BIO_write(bio,((i%3)?" ":"\n"),1);
1177                                         }
1178                                 else
1179                                         {
1180                                         BIO_write(bio,p,1);
1181                                         j++;
1182                                         }
1183                                 p++;
1184                                 }
1185                         BIO_write(bio,"\n",1);
1186                         }
1187
1188                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1189                         BIO_number_read(SSL_get_rbio(s)),
1190                         BIO_number_written(SSL_get_wbio(s)));
1191                 }
1192         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1193         c=SSL_get_current_cipher(s);
1194         BIO_printf(bio,"%s, Cipher is %s\n",
1195                 SSL_CIPHER_get_version(c),
1196                 SSL_CIPHER_get_name(c));
1197         if (peer != NULL) {
1198                 EVP_PKEY *pktmp;
1199                 pktmp = X509_get_pubkey(peer);
1200                 BIO_printf(bio,"Server public key is %d bit\n",
1201                                                          EVP_PKEY_bits(pktmp));
1202                 EVP_PKEY_free(pktmp);
1203         }
1204 #ifndef OPENSSL_NO_COMP
1205         comp=SSL_get_current_compression(s);
1206         expansion=SSL_get_current_expansion(s);
1207         BIO_printf(bio,"Compression: %s\n",
1208                 comp ? SSL_COMP_get_name(comp) : "NONE");
1209         BIO_printf(bio,"Expansion: %s\n",
1210                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1211 #endif
1212         SSL_SESSION_print(bio,SSL_get_session(s));
1213         BIO_printf(bio,"---\n");
1214         if (peer != NULL)
1215                 X509_free(peer);
1216         /* flush, or debugging output gets mixed with http response */
1217         BIO_flush(bio);
1218         }
1219