Support TLS extensions (specifically, HostName)
[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 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
141 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
142 #undef FIONBIO
143 #endif
144
145 #undef PROG
146 #define PROG    s_client_main
147
148 /*#define SSL_HOST_NAME "www.netscape.com" */
149 /*#define SSL_HOST_NAME "193.118.187.102" */
150 #define SSL_HOST_NAME   "localhost"
151
152 /*#define TEST_CERT "client.pem" */ /* no default cert. */
153
154 #undef BUFSIZZ
155 #define BUFSIZZ 1024*8
156
157 extern int verify_depth;
158 extern int verify_error;
159
160 #ifdef FIONBIO
161 static int c_nbio=0;
162 #endif
163 static int c_Pause=0;
164 static int c_debug=0;
165 static int c_msg=0;
166 static int c_showcerts=0;
167
168 static void sc_usage(void);
169 static void print_stuff(BIO *berr,SSL *con,int full);
170 static BIO *bio_c_out=NULL;
171 static int c_quiet=0;
172 static int c_ign_eof=0;
173
174 static void sc_usage(void)
175         {
176         BIO_printf(bio_err,"usage: s_client args\n");
177         BIO_printf(bio_err,"\n");
178         BIO_printf(bio_err," -host host     - use -connect instead\n");
179         BIO_printf(bio_err," -port port     - use -connect instead\n");
180         BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
181
182         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
183         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
184         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
185         BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
186         BIO_printf(bio_err,"                 not specified but cert file is.\n");
187         BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
188         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
189         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
190         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
191         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
192         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
193         BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
194         BIO_printf(bio_err," -debug        - extra output\n");
195 #ifdef WATT32
196         BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
197 #endif
198         BIO_printf(bio_err," -msg          - Show protocol messages\n");
199         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
200         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
201 #ifdef FIONBIO
202         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
203 #endif
204         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
205         BIO_printf(bio_err," -quiet        - no s_client output\n");
206         BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");
207         BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
208         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
209         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
210         BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");    
211         BIO_printf(bio_err," -mtu          - set the MTU\n");
212         BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
213         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
214         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
215         BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
216         BIO_printf(bio_err,"                 command to see what is available\n");
217         BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
218         BIO_printf(bio_err,"                 for those protocols that support it, where\n");
219         BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
220         BIO_printf(bio_err,"                 only \"smtp\" and \"pop3\" are supported.\n");
221 #ifndef OPENSSL_NO_ENGINE
222         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
223 #endif
224         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
225 #ifndef OPENSSL_NO_TLSEXT
226         BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
227 #endif
228         }
229
230 #ifndef OPENSSL_NO_TLSEXT
231
232 /* This is a context that we pass to callbacks */
233 typedef struct tlsextctx_st {
234    BIO * biodebug;
235    int ack;
236 } tlsextctx;
237
238
239 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) {
240         tlsextctx * p = (tlsextctx *) arg;
241         const unsigned char * hn= SSL_get_servername(s, TLSEXT_TYPE_SERVER_host);
242         if (SSL_get_servername_type(s) != -1) 
243                 p->ack = !SSL_session_reused(s) && hn != NULL;
244         else 
245                 BIO_printf(bio_err,"SSL_get_tlsext_hostname does not work\n");
246         
247         return SSL_ERROR_NONE;
248 }
249 #endif
250
251 int MAIN(int, char **);
252
253 int MAIN(int argc, char **argv)
254         {
255         int off=0;
256         SSL *con=NULL,*con2=NULL;
257         X509_STORE *store = NULL;
258         int s,k,width,state=0;
259         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
260         int cbuf_len,cbuf_off;
261         int sbuf_len,sbuf_off;
262         fd_set readfds,writefds;
263         short port=PORT;
264         int full_log=1;
265         char *host=SSL_HOST_NAME;
266         char *cert_file=NULL,*key_file=NULL;
267         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
268         char *passarg = NULL, *pass = NULL;
269         X509 *cert = NULL;
270         EVP_PKEY *key = NULL;
271         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
272         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
273         int crlf=0;
274         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
275         SSL_CTX *ctx=NULL;
276         int ret=1,in_init=1,i,nbio_test=0;
277         int starttls_proto = 0;
278         int prexit = 0, vflags = 0;
279         const SSL_METHOD *meth=NULL;
280         int socketType=SOCK_STREAM;
281         BIO *sbio;
282         char *inrand=NULL;
283 #ifndef OPENSSL_NO_ENGINE
284         char *engine_id=NULL;
285         ENGINE *e=NULL;
286 #endif
287 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
288         struct timeval tv;
289 #endif
290
291 #ifndef OPENSSL_NO_TLSEXT
292         char *servername = NULL; 
293         tlsextctx tlsextcbp = 
294         {NULL,0};
295 #endif
296         struct sockaddr peer;
297         int peerlen = sizeof(peer);
298         int enable_timeouts = 0 ;
299         long mtu = 0;
300
301 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
302         meth=SSLv23_client_method();
303 #elif !defined(OPENSSL_NO_SSL3)
304         meth=SSLv3_client_method();
305 #elif !defined(OPENSSL_NO_SSL2)
306         meth=SSLv2_client_method();
307 #endif
308
309         apps_startup();
310         c_Pause=0;
311         c_quiet=0;
312         c_ign_eof=0;
313         c_debug=0;
314         c_msg=0;
315         c_showcerts=0;
316
317         if (bio_err == NULL)
318                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
319
320         if (!load_config(bio_err, NULL))
321                 goto end;
322
323         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
324                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
325                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
326                 {
327                 BIO_printf(bio_err,"out of memory\n");
328                 goto end;
329                 }
330
331         verify_depth=0;
332         verify_error=X509_V_OK;
333 #ifdef FIONBIO
334         c_nbio=0;
335 #endif
336
337         argc--;
338         argv++;
339         while (argc >= 1)
340                 {
341                 if      (strcmp(*argv,"-host") == 0)
342                         {
343                         if (--argc < 1) goto bad;
344                         host= *(++argv);
345                         }
346                 else if (strcmp(*argv,"-port") == 0)
347                         {
348                         if (--argc < 1) goto bad;
349                         port=atoi(*(++argv));
350                         if (port == 0) goto bad;
351                         }
352                 else if (strcmp(*argv,"-connect") == 0)
353                         {
354                         if (--argc < 1) goto bad;
355                         if (!extract_host_port(*(++argv),&host,NULL,&port))
356                                 goto bad;
357                         }
358                 else if (strcmp(*argv,"-verify") == 0)
359                         {
360                         verify=SSL_VERIFY_PEER;
361                         if (--argc < 1) goto bad;
362                         verify_depth=atoi(*(++argv));
363                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
364                         }
365                 else if (strcmp(*argv,"-cert") == 0)
366                         {
367                         if (--argc < 1) goto bad;
368                         cert_file= *(++argv);
369                         }
370                 else if (strcmp(*argv,"-certform") == 0)
371                         {
372                         if (--argc < 1) goto bad;
373                         cert_format = str2fmt(*(++argv));
374                         }
375                 else if (strcmp(*argv,"-crl_check") == 0)
376                         vflags |= X509_V_FLAG_CRL_CHECK;
377                 else if (strcmp(*argv,"-crl_check_all") == 0)
378                         vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
379                 else if (strcmp(*argv,"-prexit") == 0)
380                         prexit=1;
381                 else if (strcmp(*argv,"-crlf") == 0)
382                         crlf=1;
383                 else if (strcmp(*argv,"-quiet") == 0)
384                         {
385                         c_quiet=1;
386                         c_ign_eof=1;
387                         }
388                 else if (strcmp(*argv,"-ign_eof") == 0)
389                         c_ign_eof=1;
390                 else if (strcmp(*argv,"-pause") == 0)
391                         c_Pause=1;
392                 else if (strcmp(*argv,"-debug") == 0)
393                         c_debug=1;
394 #ifdef WATT32
395                 else if (strcmp(*argv,"-wdebug") == 0)
396                         dbug_init();
397 #endif
398                 else if (strcmp(*argv,"-msg") == 0)
399                         c_msg=1;
400                 else if (strcmp(*argv,"-showcerts") == 0)
401                         c_showcerts=1;
402                 else if (strcmp(*argv,"-nbio_test") == 0)
403                         nbio_test=1;
404                 else if (strcmp(*argv,"-state") == 0)
405                         state=1;
406 #ifndef OPENSSL_NO_SSL2
407                 else if (strcmp(*argv,"-ssl2") == 0)
408                         meth=SSLv2_client_method();
409 #endif
410 #ifndef OPENSSL_NO_SSL3
411                 else if (strcmp(*argv,"-ssl3") == 0)
412                         meth=SSLv3_client_method();
413 #endif
414 #ifndef OPENSSL_NO_TLS1
415                 else if (strcmp(*argv,"-tls1") == 0)
416                         meth=TLSv1_client_method();
417 #endif
418 #ifndef OPENSSL_NO_DTLS1
419                 else if (strcmp(*argv,"-dtls1") == 0)
420                         {
421                         meth=DTLSv1_client_method();
422                         socketType=SOCK_DGRAM;
423                         }
424                 else if (strcmp(*argv,"-timeout") == 0)
425                         enable_timeouts=1;
426                 else if (strcmp(*argv,"-mtu") == 0)
427                         {
428                         if (--argc < 1) goto bad;
429                         mtu = atol(*(++argv));
430                         }
431 #endif
432                 else if (strcmp(*argv,"-bugs") == 0)
433                         bugs=1;
434                 else if (strcmp(*argv,"-keyform") == 0)
435                         {
436                         if (--argc < 1) goto bad;
437                         key_format = str2fmt(*(++argv));
438                         }
439                 else if (strcmp(*argv,"-pass") == 0)
440                         {
441                         if (--argc < 1) goto bad;
442                         passarg = *(++argv);
443                         }
444                 else if (strcmp(*argv,"-key") == 0)
445                         {
446                         if (--argc < 1) goto bad;
447                         key_file= *(++argv);
448                         }
449                 else if (strcmp(*argv,"-reconnect") == 0)
450                         {
451                         reconnect=5;
452                         }
453                 else if (strcmp(*argv,"-CApath") == 0)
454                         {
455                         if (--argc < 1) goto bad;
456                         CApath= *(++argv);
457                         }
458                 else if (strcmp(*argv,"-CAfile") == 0)
459                         {
460                         if (--argc < 1) goto bad;
461                         CAfile= *(++argv);
462                         }
463                 else if (strcmp(*argv,"-no_tls1") == 0)
464                         off|=SSL_OP_NO_TLSv1;
465                 else if (strcmp(*argv,"-no_ssl3") == 0)
466                         off|=SSL_OP_NO_SSLv3;
467                 else if (strcmp(*argv,"-no_ssl2") == 0)
468                         off|=SSL_OP_NO_SSLv2;
469                 else if (strcmp(*argv,"-no_comp") == 0)
470                         { off|=SSL_OP_NO_COMPRESSION; }
471                 else if (strcmp(*argv,"-serverpref") == 0)
472                         off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
473                 else if (strcmp(*argv,"-cipher") == 0)
474                         {
475                         if (--argc < 1) goto bad;
476                         cipher= *(++argv);
477                         }
478 #ifdef FIONBIO
479                 else if (strcmp(*argv,"-nbio") == 0)
480                         { c_nbio=1; }
481 #endif
482                 else if (strcmp(*argv,"-starttls") == 0)
483                         {
484                         if (--argc < 1) goto bad;
485                         ++argv;
486                         if (strcmp(*argv,"smtp") == 0)
487                                 starttls_proto = 1;
488                         else if (strcmp(*argv,"pop3") == 0)
489                                 starttls_proto = 2;
490                         else
491                                 goto bad;
492                         }
493 #ifndef OPENSSL_NO_ENGINE
494                 else if (strcmp(*argv,"-engine") == 0)
495                         {
496                         if (--argc < 1) goto bad;
497                         engine_id = *(++argv);
498                         }
499 #endif
500                 else if (strcmp(*argv,"-rand") == 0)
501                         {
502                         if (--argc < 1) goto bad;
503                         inrand= *(++argv);
504                         }
505 #ifndef OPENSSL_NO_TLSEXT
506                 else if (strcmp(*argv,"-servername") == 0)
507                         {
508                         if (--argc < 1) goto bad;
509                         servername= *(++argv);
510                         /* meth=TLSv1_client_method(); */
511                         }
512 #endif
513                 else
514                         {
515                         BIO_printf(bio_err,"unknown option %s\n",*argv);
516                         badop=1;
517                         break;
518                         }
519                 argc--;
520                 argv++;
521                 }
522         if (badop)
523                 {
524 bad:
525                 sc_usage();
526                 goto end;
527                 }
528
529         OpenSSL_add_ssl_algorithms();
530         SSL_load_error_strings();
531
532 #ifndef OPENSSL_NO_ENGINE
533         e = setup_engine(bio_err, engine_id, 1);
534 #endif
535         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
536                 {
537                 BIO_printf(bio_err, "Error getting password\n");
538                 goto end;
539                 }
540
541         if (key_file == NULL)
542                 key_file = cert_file;
543
544
545         if (key_file)
546
547                 {
548
549                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
550                                "client certificate private key file");
551                 if (!key)
552                         {
553                         ERR_print_errors(bio_err);
554                         goto end;
555                         }
556
557                 }
558
559         if (cert_file)
560
561                 {
562                 cert = load_cert(bio_err,cert_file,cert_format,
563                                 NULL, e, "client certificate file");
564
565                 if (!cert)
566                         {
567                         ERR_print_errors(bio_err);
568                         goto end;
569                         }
570                 }
571
572         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
573                 && !RAND_status())
574                 {
575                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
576                 }
577         if (inrand != NULL)
578                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
579                         app_RAND_load_files(inrand));
580
581         if (bio_c_out == NULL)
582                 {
583                 if (c_quiet && !c_debug && !c_msg)
584                         {
585                         bio_c_out=BIO_new(BIO_s_null());
586                         }
587                 else
588                         {
589                         if (bio_c_out == NULL)
590                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
591                         }
592                 }
593
594         ctx=SSL_CTX_new(meth);
595         if (ctx == NULL)
596                 {
597                 ERR_print_errors(bio_err);
598                 goto end;
599                 }
600
601         if (bugs)
602                 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
603         else
604                 SSL_CTX_set_options(ctx,off);
605         /* DTLS: partial reads end up discarding unread UDP bytes :-( 
606          * Setting read ahead solves this problem.
607          */
608         if (socketType == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
609
610         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
611         if (cipher != NULL)
612                 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
613                 BIO_printf(bio_err,"error setting cipher list\n");
614                 ERR_print_errors(bio_err);
615                 goto end;
616         }
617 #if 0
618         else
619                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
620 #endif
621
622         SSL_CTX_set_verify(ctx,verify,verify_callback);
623         if (!set_cert_key_stuff(ctx,cert,key))
624                 goto end;
625
626         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
627                 (!SSL_CTX_set_default_verify_paths(ctx)))
628                 {
629                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
630                 ERR_print_errors(bio_err);
631                 /* goto end; */
632                 }
633
634         store = SSL_CTX_get_cert_store(ctx);
635         X509_STORE_set_flags(store, vflags);
636 #ifndef OPENSSL_NO_TLSEXT
637         if (servername != NULL) {
638                 tlsextcbp.biodebug = bio_err;
639                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
640                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
641         }
642 #endif
643
644         con=SSL_new(ctx);
645 #ifndef OPENSSL_NO_TLSEXT
646         if (servername != NULL){
647                 if (!SSL_set_tlsext_hostname(con,servername)){
648                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
649                         ERR_print_errors(bio_err);
650                         goto end;
651                 }
652         }
653 #endif
654 #ifndef OPENSSL_NO_KRB5
655         if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
656                 {
657                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
658                 }
659 #endif  /* OPENSSL_NO_KRB5  */
660 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
661
662 re_start:
663
664         if (init_client(&s,host,port,socketType) == 0)
665                 {
666                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
667                 SHUTDOWN(s);
668                 goto end;
669                 }
670         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
671
672 #ifdef FIONBIO
673         if (c_nbio)
674                 {
675                 unsigned long l=1;
676                 BIO_printf(bio_c_out,"turning on non blocking io\n");
677                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
678                         {
679                         ERR_print_errors(bio_err);
680                         goto end;
681                         }
682                 }
683 #endif                                              
684         if (c_Pause & 0x01) con->debug=1;
685
686         if ( SSL_version(con) == DTLS1_VERSION)
687                 {
688                 struct timeval timeout;
689
690                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
691                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
692                         {
693                         BIO_printf(bio_err, "getsockname:errno=%d\n",
694                                 get_last_socket_error());
695                         SHUTDOWN(s);
696                         goto end;
697                         }
698
699                 BIO_ctrl_set_connected(sbio, 1, &peer);
700
701                 if ( enable_timeouts)
702                         {
703                         timeout.tv_sec = 0;
704                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
705                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
706                         
707                         timeout.tv_sec = 0;
708                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
709                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
710                         }
711
712                 if ( mtu > 0)
713                         {
714                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
715                         SSL_set_mtu(con, mtu);
716                         }
717                 else
718                         /* want to do MTU discovery */
719                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
720                 }
721         else
722                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
723
724
725
726         if (nbio_test)
727                 {
728                 BIO *test;
729
730                 test=BIO_new(BIO_f_nbio_test());
731                 sbio=BIO_push(test,sbio);
732                 }
733
734         if (c_debug)
735                 {
736                 con->debug=1;
737                 BIO_set_callback(sbio,bio_dump_callback);
738                 BIO_set_callback_arg(sbio,bio_c_out);
739                 }
740         if (c_msg)
741                 {
742                 SSL_set_msg_callback(con, msg_cb);
743                 SSL_set_msg_callback_arg(con, bio_c_out);
744                 }
745
746         SSL_set_bio(con,sbio,sbio);
747         SSL_set_connect_state(con);
748
749         /* ok, lets connect */
750         width=SSL_get_fd(con)+1;
751
752         read_tty=1;
753         write_tty=0;
754         tty_on=0;
755         read_ssl=1;
756         write_ssl=1;
757         
758         cbuf_len=0;
759         cbuf_off=0;
760         sbuf_len=0;
761         sbuf_off=0;
762
763         /* This is an ugly hack that does a lot of assumptions */
764         if (starttls_proto == 1)
765                 {
766                 BIO_read(sbio,mbuf,BUFSIZZ);
767                 BIO_printf(sbio,"STARTTLS\r\n");
768                 BIO_read(sbio,sbuf,BUFSIZZ);
769                 }
770         if (starttls_proto == 2)
771                 {
772                 BIO_read(sbio,mbuf,BUFSIZZ);
773                 BIO_printf(sbio,"STLS\r\n");
774                 BIO_read(sbio,sbuf,BUFSIZZ);
775                 }
776
777         for (;;)
778                 {
779                 FD_ZERO(&readfds);
780                 FD_ZERO(&writefds);
781
782                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
783                         {
784                         in_init=1;
785                         tty_on=0;
786                         }
787                 else
788                         {
789                         tty_on=1;
790                         if (in_init)
791                                 {
792                                 in_init=0;
793 #ifndef OPENSSL_NO_TLSEXT
794         if (servername != NULL && !SSL_session_reused(con)) {
795                 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
796         }
797 #endif
798                                 print_stuff(bio_c_out,con,full_log);
799                                 if (full_log > 0) full_log--;
800
801                                 if (starttls_proto)
802                                         {
803                                         BIO_printf(bio_err,"%s",mbuf);
804                                         /* We don't need to know any more */
805                                         starttls_proto = 0;
806                                         }
807
808                                 if (reconnect)
809                                         {
810                                         reconnect--;
811                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
812                                         SSL_shutdown(con);
813                                         SSL_set_connect_state(con);
814                                         SHUTDOWN(SSL_get_fd(con));
815                                         goto re_start;
816                                         }
817                                 }
818                         }
819
820                 ssl_pending = read_ssl && SSL_pending(con);
821
822                 if (!ssl_pending)
823                         {
824 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
825                         if (tty_on)
826                                 {
827                                 if (read_tty)  FD_SET(fileno(stdin),&readfds);
828                                 if (write_tty) FD_SET(fileno(stdout),&writefds);
829                                 }
830                         if (read_ssl)
831                                 FD_SET(SSL_get_fd(con),&readfds);
832                         if (write_ssl)
833                                 FD_SET(SSL_get_fd(con),&writefds);
834 #else
835                         if(!tty_on || !write_tty) {
836                                 if (read_ssl)
837                                         FD_SET(SSL_get_fd(con),&readfds);
838                                 if (write_ssl)
839                                         FD_SET(SSL_get_fd(con),&writefds);
840                         }
841 #endif
842 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
843                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
844
845                         /* Note: under VMS with SOCKETSHR the second parameter
846                          * is currently of type (int *) whereas under other
847                          * systems it is (void *) if you don't have a cast it
848                          * will choke the compiler: if you do have a cast then
849                          * you can either go for (int *) or (void *).
850                          */
851 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
852                         /* Under Windows/DOS we make the assumption that we can
853                          * always write to the tty: therefore if we need to
854                          * write to the tty we just fall through. Otherwise
855                          * we timeout the select every second and see if there
856                          * are any keypresses. Note: this is a hack, in a proper
857                          * Windows application we wouldn't do this.
858                          */
859                         i=0;
860                         if(!write_tty) {
861                                 if(read_tty) {
862                                         tv.tv_sec = 1;
863                                         tv.tv_usec = 0;
864                                         i=select(width,(void *)&readfds,(void *)&writefds,
865                                                  NULL,&tv);
866 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
867                                         if(!i && (!_kbhit() || !read_tty) ) continue;
868 #else
869                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
870 #endif
871                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
872                                          NULL,NULL);
873                         }
874 #elif defined(OPENSSL_SYS_NETWARE)
875                         if(!write_tty) {
876                                 if(read_tty) {
877                                         tv.tv_sec = 1;
878                                         tv.tv_usec = 0;
879                                         i=select(width,(void *)&readfds,(void *)&writefds,
880                                                 NULL,&tv);
881                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
882                                         NULL,NULL);
883                         }
884 #else
885                         i=select(width,(void *)&readfds,(void *)&writefds,
886                                  NULL,NULL);
887 #endif
888                         if ( i < 0)
889                                 {
890                                 BIO_printf(bio_err,"bad select %d\n",
891                                 get_last_socket_error());
892                                 goto shut;
893                                 /* goto end; */
894                                 }
895                         }
896
897                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
898                         {
899                         k=SSL_write(con,&(cbuf[cbuf_off]),
900                                 (unsigned int)cbuf_len);
901                         switch (SSL_get_error(con,k))
902                                 {
903                         case SSL_ERROR_NONE:
904                                 cbuf_off+=k;
905                                 cbuf_len-=k;
906                                 if (k <= 0) goto end;
907                                 /* we have done a  write(con,NULL,0); */
908                                 if (cbuf_len <= 0)
909                                         {
910                                         read_tty=1;
911                                         write_ssl=0;
912                                         }
913                                 else /* if (cbuf_len > 0) */
914                                         {
915                                         read_tty=0;
916                                         write_ssl=1;
917                                         }
918                                 break;
919                         case SSL_ERROR_WANT_WRITE:
920                                 BIO_printf(bio_c_out,"write W BLOCK\n");
921                                 write_ssl=1;
922                                 read_tty=0;
923                                 break;
924                         case SSL_ERROR_WANT_READ:
925                                 BIO_printf(bio_c_out,"write R BLOCK\n");
926                                 write_tty=0;
927                                 read_ssl=1;
928                                 write_ssl=0;
929                                 break;
930                         case SSL_ERROR_WANT_X509_LOOKUP:
931                                 BIO_printf(bio_c_out,"write X BLOCK\n");
932                                 break;
933                         case SSL_ERROR_ZERO_RETURN:
934                                 if (cbuf_len != 0)
935                                         {
936                                         BIO_printf(bio_c_out,"shutdown\n");
937                                         goto shut;
938                                         }
939                                 else
940                                         {
941                                         read_tty=1;
942                                         write_ssl=0;
943                                         break;
944                                         }
945                                 
946                         case SSL_ERROR_SYSCALL:
947                                 if ((k != 0) || (cbuf_len != 0))
948                                         {
949                                         BIO_printf(bio_err,"write:errno=%d\n",
950                                                 get_last_socket_error());
951                                         goto shut;
952                                         }
953                                 else
954                                         {
955                                         read_tty=1;
956                                         write_ssl=0;
957                                         }
958                                 break;
959                         case SSL_ERROR_SSL:
960                                 ERR_print_errors(bio_err);
961                                 goto shut;
962                                 }
963                         }
964 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
965                 /* Assume Windows/DOS can always write */
966                 else if (!ssl_pending && write_tty)
967 #else
968                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
969 #endif
970                         {
971 #ifdef CHARSET_EBCDIC
972                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
973 #endif
974                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
975
976                         if (i <= 0)
977                                 {
978                                 BIO_printf(bio_c_out,"DONE\n");
979                                 goto shut;
980                                 /* goto end; */
981                                 }
982
983                         sbuf_len-=i;;
984                         sbuf_off+=i;
985                         if (sbuf_len <= 0)
986                                 {
987                                 read_ssl=1;
988                                 write_tty=0;
989                                 }
990                         }
991                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
992                         {
993 #ifdef RENEG
994 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
995 #endif
996 #if 1
997                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
998 #else
999 /* Demo for pending and peek :-) */
1000                         k=SSL_read(con,sbuf,16);
1001 { char zbuf[10240]; 
1002 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1003 }
1004 #endif
1005
1006                         switch (SSL_get_error(con,k))
1007                                 {
1008                         case SSL_ERROR_NONE:
1009                                 if (k <= 0)
1010                                         goto end;
1011                                 sbuf_off=0;
1012                                 sbuf_len=k;
1013
1014                                 read_ssl=0;
1015                                 write_tty=1;
1016                                 break;
1017                         case SSL_ERROR_WANT_WRITE:
1018                                 BIO_printf(bio_c_out,"read W BLOCK\n");
1019                                 write_ssl=1;
1020                                 read_tty=0;
1021                                 break;
1022                         case SSL_ERROR_WANT_READ:
1023                                 BIO_printf(bio_c_out,"read R BLOCK\n");
1024                                 write_tty=0;
1025                                 read_ssl=1;
1026                                 if ((read_tty == 0) && (write_ssl == 0))
1027                                         write_ssl=1;
1028                                 break;
1029                         case SSL_ERROR_WANT_X509_LOOKUP:
1030                                 BIO_printf(bio_c_out,"read X BLOCK\n");
1031                                 break;
1032                         case SSL_ERROR_SYSCALL:
1033                                 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1034                                 goto shut;
1035                         case SSL_ERROR_ZERO_RETURN:
1036                                 BIO_printf(bio_c_out,"closed\n");
1037                                 goto shut;
1038                         case SSL_ERROR_SSL:
1039                                 ERR_print_errors(bio_err);
1040                                 goto shut;
1041                                 /* break; */
1042                                 }
1043                         }
1044
1045 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1046 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1047                 else if (_kbhit())
1048 #else
1049                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1050 #endif
1051 #elif defined (OPENSSL_SYS_NETWARE)
1052                 else if (_kbhit())
1053 #else
1054                 else if (FD_ISSET(fileno(stdin),&readfds))
1055 #endif
1056                         {
1057                         if (crlf)
1058                                 {
1059                                 int j, lf_num;
1060
1061                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1062                                 lf_num = 0;
1063                                 /* both loops are skipped when i <= 0 */
1064                                 for (j = 0; j < i; j++)
1065                                         if (cbuf[j] == '\n')
1066                                                 lf_num++;
1067                                 for (j = i-1; j >= 0; j--)
1068                                         {
1069                                         cbuf[j+lf_num] = cbuf[j];
1070                                         if (cbuf[j] == '\n')
1071                                                 {
1072                                                 lf_num--;
1073                                                 i++;
1074                                                 cbuf[j+lf_num] = '\r';
1075                                                 }
1076                                         }
1077                                 assert(lf_num == 0);
1078                                 }
1079                         else
1080                                 i=raw_read_stdin(cbuf,BUFSIZZ);
1081
1082                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1083                                 {
1084                                 BIO_printf(bio_err,"DONE\n");
1085                                 goto shut;
1086                                 }
1087
1088                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
1089                                 {
1090                                 BIO_printf(bio_err,"RENEGOTIATING\n");
1091                                 SSL_renegotiate(con);
1092                                 cbuf_len=0;
1093                                 }
1094                         else
1095                                 {
1096                                 cbuf_len=i;
1097                                 cbuf_off=0;
1098 #ifdef CHARSET_EBCDIC
1099                                 ebcdic2ascii(cbuf, cbuf, i);
1100 #endif
1101                                 }
1102
1103                         write_ssl=1;
1104                         read_tty=0;
1105                         }
1106                 }
1107 shut:
1108         SSL_shutdown(con);
1109         SHUTDOWN(SSL_get_fd(con));
1110         ret=0;
1111 end:
1112         if(prexit) print_stuff(bio_c_out,con,1);
1113         if (con != NULL) SSL_free(con);
1114         if (con2 != NULL) SSL_free(con2);
1115         if (ctx != NULL) SSL_CTX_free(ctx);
1116         if (cert)
1117                 X509_free(cert);
1118         if (key)
1119                 EVP_PKEY_free(key);
1120         if (pass)
1121                 OPENSSL_free(pass);
1122         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1123         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1124         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1125         if (bio_c_out != NULL)
1126                 {
1127                 BIO_free(bio_c_out);
1128                 bio_c_out=NULL;
1129                 }
1130         apps_shutdown();
1131         OPENSSL_EXIT(ret);
1132         }
1133
1134
1135 static void print_stuff(BIO *bio, SSL *s, int full)
1136         {
1137         X509 *peer=NULL;
1138         char *p;
1139         static const char *space="                ";
1140         char buf[BUFSIZ];
1141         STACK_OF(X509) *sk;
1142         STACK_OF(X509_NAME) *sk2;
1143         SSL_CIPHER *c;
1144         X509_NAME *xn;
1145         int j,i;
1146 #ifndef OPENSSL_NO_COMP
1147         const COMP_METHOD *comp, *expansion;
1148 #endif
1149
1150         if (full)
1151                 {
1152                 int got_a_chain = 0;
1153
1154                 sk=SSL_get_peer_cert_chain(s);
1155                 if (sk != NULL)
1156                         {
1157                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1158
1159                         BIO_printf(bio,"---\nCertificate chain\n");
1160                         for (i=0; i<sk_X509_num(sk); i++)
1161                                 {
1162                                 X509_NAME_oneline(X509_get_subject_name(
1163                                         sk_X509_value(sk,i)),buf,sizeof buf);
1164                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
1165                                 X509_NAME_oneline(X509_get_issuer_name(
1166                                         sk_X509_value(sk,i)),buf,sizeof buf);
1167                                 BIO_printf(bio,"   i:%s\n",buf);
1168                                 if (c_showcerts)
1169                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1170                                 }
1171                         }
1172
1173                 BIO_printf(bio,"---\n");
1174                 peer=SSL_get_peer_certificate(s);
1175                 if (peer != NULL)
1176                         {
1177                         BIO_printf(bio,"Server certificate\n");
1178                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1179                                 PEM_write_bio_X509(bio,peer);
1180                         X509_NAME_oneline(X509_get_subject_name(peer),
1181                                 buf,sizeof buf);
1182                         BIO_printf(bio,"subject=%s\n",buf);
1183                         X509_NAME_oneline(X509_get_issuer_name(peer),
1184                                 buf,sizeof buf);
1185                         BIO_printf(bio,"issuer=%s\n",buf);
1186                         }
1187                 else
1188                         BIO_printf(bio,"no peer certificate available\n");
1189
1190                 sk2=SSL_get_client_CA_list(s);
1191                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1192                         {
1193                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1194                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
1195                                 {
1196                                 xn=sk_X509_NAME_value(sk2,i);
1197                                 X509_NAME_oneline(xn,buf,sizeof(buf));
1198                                 BIO_write(bio,buf,strlen(buf));
1199                                 BIO_write(bio,"\n",1);
1200                                 }
1201                         }
1202                 else
1203                         {
1204                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1205                         }
1206                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1207                 if (p != NULL)
1208                         {
1209                         /* This works only for SSL 2.  In later protocol
1210                          * versions, the client does not know what other
1211                          * ciphers (in addition to the one to be used
1212                          * in the current connection) the server supports. */
1213
1214                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1215                         j=i=0;
1216                         while (*p)
1217                                 {
1218                                 if (*p == ':')
1219                                         {
1220                                         BIO_write(bio,space,15-j%25);
1221                                         i++;
1222                                         j=0;
1223                                         BIO_write(bio,((i%3)?" ":"\n"),1);
1224                                         }
1225                                 else
1226                                         {
1227                                         BIO_write(bio,p,1);
1228                                         j++;
1229                                         }
1230                                 p++;
1231                                 }
1232                         BIO_write(bio,"\n",1);
1233                         }
1234
1235                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1236                         BIO_number_read(SSL_get_rbio(s)),
1237                         BIO_number_written(SSL_get_wbio(s)));
1238                 }
1239         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1240         c=SSL_get_current_cipher(s);
1241         BIO_printf(bio,"%s, Cipher is %s\n",
1242                 SSL_CIPHER_get_version(c),
1243                 SSL_CIPHER_get_name(c));
1244         if (peer != NULL) {
1245                 EVP_PKEY *pktmp;
1246                 pktmp = X509_get_pubkey(peer);
1247                 BIO_printf(bio,"Server public key is %d bit\n",
1248                                                          EVP_PKEY_bits(pktmp));
1249                 EVP_PKEY_free(pktmp);
1250         }
1251 #ifndef OPENSSL_NO_COMP
1252         comp=SSL_get_current_compression(s);
1253         expansion=SSL_get_current_expansion(s);
1254         BIO_printf(bio,"Compression: %s\n",
1255                 comp ? SSL_COMP_get_name(comp) : "NONE");
1256         BIO_printf(bio,"Expansion: %s\n",
1257                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1258 #endif
1259         SSL_SESSION_print(bio,SSL_get_session(s));
1260         BIO_printf(bio,"---\n");
1261         if (peer != NULL)
1262                 X509_free(peer);
1263         /* flush, or debugging output gets mixed with http response */
1264         BIO_flush(bio);
1265         }
1266