C style fix-up
[openssl.git] / apps / s_client.c
1 /* apps/s_client.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  * 
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  * 
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from 
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  * 
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * 
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 /* ====================================================================
59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer. 
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111
112 #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         {
241         tlsextctx * p = (tlsextctx *) arg;
242         const unsigned char * hn= SSL_get_servername(s, TLSEXT_TYPE_SERVER_host);
243         if (SSL_get_servername_type(s) != -1) 
244                 p->ack = !SSL_session_reused(s) && hn != NULL;
245         else 
246                 BIO_printf(bio_err,"SSL_get_tlsext_hostname does not work\n");
247         
248         return SSL_ERROR_NONE;
249         }
250 #endif
251
252 int MAIN(int, char **);
253
254 int MAIN(int argc, char **argv)
255         {
256         int off=0;
257         SSL *con=NULL,*con2=NULL;
258         X509_STORE *store = NULL;
259         int s,k,width,state=0;
260         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
261         int cbuf_len,cbuf_off;
262         int sbuf_len,sbuf_off;
263         fd_set readfds,writefds;
264         short port=PORT;
265         int full_log=1;
266         char *host=SSL_HOST_NAME;
267         char *cert_file=NULL,*key_file=NULL;
268         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
269         char *passarg = NULL, *pass = NULL;
270         X509 *cert = NULL;
271         EVP_PKEY *key = NULL;
272         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
273         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
274         int crlf=0;
275         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
276         SSL_CTX *ctx=NULL;
277         int ret=1,in_init=1,i,nbio_test=0;
278         int starttls_proto = 0;
279         int prexit = 0, vflags = 0;
280         const SSL_METHOD *meth=NULL;
281         int socket_type=SOCK_STREAM;
282         BIO *sbio;
283         char *inrand=NULL;
284 #ifndef OPENSSL_NO_ENGINE
285         char *engine_id=NULL;
286         ENGINE *e=NULL;
287 #endif
288 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
289         struct timeval tv;
290 #endif
291
292 #ifndef OPENSSL_NO_TLSEXT
293         char *servername = NULL; 
294         tlsextctx tlsextcbp = 
295         {NULL,0};
296 #endif
297         struct sockaddr peer;
298         int peerlen = sizeof(peer);
299         int enable_timeouts = 0 ;
300         long socket_mtu = 0;
301
302 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
303         meth=SSLv23_client_method();
304 #elif !defined(OPENSSL_NO_SSL3)
305         meth=SSLv3_client_method();
306 #elif !defined(OPENSSL_NO_SSL2)
307         meth=SSLv2_client_method();
308 #endif
309
310         apps_startup();
311         c_Pause=0;
312         c_quiet=0;
313         c_ign_eof=0;
314         c_debug=0;
315         c_msg=0;
316         c_showcerts=0;
317
318         if (bio_err == NULL)
319                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
320
321         if (!load_config(bio_err, NULL))
322                 goto end;
323
324         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
325                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
326                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
327                 {
328                 BIO_printf(bio_err,"out of memory\n");
329                 goto end;
330                 }
331
332         verify_depth=0;
333         verify_error=X509_V_OK;
334 #ifdef FIONBIO
335         c_nbio=0;
336 #endif
337
338         argc--;
339         argv++;
340         while (argc >= 1)
341                 {
342                 if      (strcmp(*argv,"-host") == 0)
343                         {
344                         if (--argc < 1) goto bad;
345                         host= *(++argv);
346                         }
347                 else if (strcmp(*argv,"-port") == 0)
348                         {
349                         if (--argc < 1) goto bad;
350                         port=atoi(*(++argv));
351                         if (port == 0) goto bad;
352                         }
353                 else if (strcmp(*argv,"-connect") == 0)
354                         {
355                         if (--argc < 1) goto bad;
356                         if (!extract_host_port(*(++argv),&host,NULL,&port))
357                                 goto bad;
358                         }
359                 else if (strcmp(*argv,"-verify") == 0)
360                         {
361                         verify=SSL_VERIFY_PEER;
362                         if (--argc < 1) goto bad;
363                         verify_depth=atoi(*(++argv));
364                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
365                         }
366                 else if (strcmp(*argv,"-cert") == 0)
367                         {
368                         if (--argc < 1) goto bad;
369                         cert_file= *(++argv);
370                         }
371                 else if (strcmp(*argv,"-certform") == 0)
372                         {
373                         if (--argc < 1) goto bad;
374                         cert_format = str2fmt(*(++argv));
375                         }
376                 else if (strcmp(*argv,"-crl_check") == 0)
377                         vflags |= X509_V_FLAG_CRL_CHECK;
378                 else if (strcmp(*argv,"-crl_check_all") == 0)
379                         vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
380                 else if (strcmp(*argv,"-prexit") == 0)
381                         prexit=1;
382                 else if (strcmp(*argv,"-crlf") == 0)
383                         crlf=1;
384                 else if (strcmp(*argv,"-quiet") == 0)
385                         {
386                         c_quiet=1;
387                         c_ign_eof=1;
388                         }
389                 else if (strcmp(*argv,"-ign_eof") == 0)
390                         c_ign_eof=1;
391                 else if (strcmp(*argv,"-pause") == 0)
392                         c_Pause=1;
393                 else if (strcmp(*argv,"-debug") == 0)
394                         c_debug=1;
395 #ifdef WATT32
396                 else if (strcmp(*argv,"-wdebug") == 0)
397                         dbug_init();
398 #endif
399                 else if (strcmp(*argv,"-msg") == 0)
400                         c_msg=1;
401                 else if (strcmp(*argv,"-showcerts") == 0)
402                         c_showcerts=1;
403                 else if (strcmp(*argv,"-nbio_test") == 0)
404                         nbio_test=1;
405                 else if (strcmp(*argv,"-state") == 0)
406                         state=1;
407 #ifndef OPENSSL_NO_SSL2
408                 else if (strcmp(*argv,"-ssl2") == 0)
409                         meth=SSLv2_client_method();
410 #endif
411 #ifndef OPENSSL_NO_SSL3
412                 else if (strcmp(*argv,"-ssl3") == 0)
413                         meth=SSLv3_client_method();
414 #endif
415 #ifndef OPENSSL_NO_TLS1
416                 else if (strcmp(*argv,"-tls1") == 0)
417                         meth=TLSv1_client_method();
418 #endif
419 #ifndef OPENSSL_NO_DTLS1
420                 else if (strcmp(*argv,"-dtls1") == 0)
421                         {
422                         meth=DTLSv1_client_method();
423                         socket_type=SOCK_DGRAM;
424                         }
425                 else if (strcmp(*argv,"-timeout") == 0)
426                         enable_timeouts=1;
427                 else if (strcmp(*argv,"-mtu") == 0)
428                         {
429                         if (--argc < 1) goto bad;
430                         socket_mtu = atol(*(++argv));
431                         }
432 #endif
433                 else if (strcmp(*argv,"-bugs") == 0)
434                         bugs=1;
435                 else if (strcmp(*argv,"-keyform") == 0)
436                         {
437                         if (--argc < 1) goto bad;
438                         key_format = str2fmt(*(++argv));
439                         }
440                 else if (strcmp(*argv,"-pass") == 0)
441                         {
442                         if (--argc < 1) goto bad;
443                         passarg = *(++argv);
444                         }
445                 else if (strcmp(*argv,"-key") == 0)
446                         {
447                         if (--argc < 1) goto bad;
448                         key_file= *(++argv);
449                         }
450                 else if (strcmp(*argv,"-reconnect") == 0)
451                         {
452                         reconnect=5;
453                         }
454                 else if (strcmp(*argv,"-CApath") == 0)
455                         {
456                         if (--argc < 1) goto bad;
457                         CApath= *(++argv);
458                         }
459                 else if (strcmp(*argv,"-CAfile") == 0)
460                         {
461                         if (--argc < 1) goto bad;
462                         CAfile= *(++argv);
463                         }
464                 else if (strcmp(*argv,"-no_tls1") == 0)
465                         off|=SSL_OP_NO_TLSv1;
466                 else if (strcmp(*argv,"-no_ssl3") == 0)
467                         off|=SSL_OP_NO_SSLv3;
468                 else if (strcmp(*argv,"-no_ssl2") == 0)
469                         off|=SSL_OP_NO_SSLv2;
470                 else if (strcmp(*argv,"-no_comp") == 0)
471                         { off|=SSL_OP_NO_COMPRESSION; }
472                 else if (strcmp(*argv,"-serverpref") == 0)
473                         off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
474                 else if (strcmp(*argv,"-cipher") == 0)
475                         {
476                         if (--argc < 1) goto bad;
477                         cipher= *(++argv);
478                         }
479 #ifdef FIONBIO
480                 else if (strcmp(*argv,"-nbio") == 0)
481                         { c_nbio=1; }
482 #endif
483                 else if (strcmp(*argv,"-starttls") == 0)
484                         {
485                         if (--argc < 1) goto bad;
486                         ++argv;
487                         if (strcmp(*argv,"smtp") == 0)
488                                 starttls_proto = 1;
489                         else if (strcmp(*argv,"pop3") == 0)
490                                 starttls_proto = 2;
491                         else
492                                 goto bad;
493                         }
494 #ifndef OPENSSL_NO_ENGINE
495                 else if (strcmp(*argv,"-engine") == 0)
496                         {
497                         if (--argc < 1) goto bad;
498                         engine_id = *(++argv);
499                         }
500 #endif
501                 else if (strcmp(*argv,"-rand") == 0)
502                         {
503                         if (--argc < 1) goto bad;
504                         inrand= *(++argv);
505                         }
506 #ifndef OPENSSL_NO_TLSEXT
507                 else if (strcmp(*argv,"-servername") == 0)
508                         {
509                         if (--argc < 1) goto bad;
510                         servername= *(++argv);
511                         /* meth=TLSv1_client_method(); */
512                         }
513 #endif
514                 else
515                         {
516                         BIO_printf(bio_err,"unknown option %s\n",*argv);
517                         badop=1;
518                         break;
519                         }
520                 argc--;
521                 argv++;
522                 }
523         if (badop)
524                 {
525 bad:
526                 sc_usage();
527                 goto end;
528                 }
529
530         OpenSSL_add_ssl_algorithms();
531         SSL_load_error_strings();
532
533 #ifndef OPENSSL_NO_ENGINE
534         e = setup_engine(bio_err, engine_id, 1);
535 #endif
536         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
537                 {
538                 BIO_printf(bio_err, "Error getting password\n");
539                 goto end;
540                 }
541
542         if (key_file == NULL)
543                 key_file = cert_file;
544
545
546         if (key_file)
547
548                 {
549
550                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
551                                "client certificate private key file");
552                 if (!key)
553                         {
554                         ERR_print_errors(bio_err);
555                         goto end;
556                         }
557
558                 }
559
560         if (cert_file)
561
562                 {
563                 cert = load_cert(bio_err,cert_file,cert_format,
564                                 NULL, e, "client certificate file");
565
566                 if (!cert)
567                         {
568                         ERR_print_errors(bio_err);
569                         goto end;
570                         }
571                 }
572
573         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
574                 && !RAND_status())
575                 {
576                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
577                 }
578         if (inrand != NULL)
579                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
580                         app_RAND_load_files(inrand));
581
582         if (bio_c_out == NULL)
583                 {
584                 if (c_quiet && !c_debug && !c_msg)
585                         {
586                         bio_c_out=BIO_new(BIO_s_null());
587                         }
588                 else
589                         {
590                         if (bio_c_out == NULL)
591                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
592                         }
593                 }
594
595         ctx=SSL_CTX_new(meth);
596         if (ctx == NULL)
597                 {
598                 ERR_print_errors(bio_err);
599                 goto end;
600                 }
601
602         if (bugs)
603                 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
604         else
605                 SSL_CTX_set_options(ctx,off);
606         /* DTLS: partial reads end up discarding unread UDP bytes :-( 
607          * Setting read ahead solves this problem.
608          */
609         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
610
611         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
612         if (cipher != NULL)
613                 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
614                 BIO_printf(bio_err,"error setting cipher list\n");
615                 ERR_print_errors(bio_err);
616                 goto end;
617         }
618 #if 0
619         else
620                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
621 #endif
622
623         SSL_CTX_set_verify(ctx,verify,verify_callback);
624         if (!set_cert_key_stuff(ctx,cert,key))
625                 goto end;
626
627         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
628                 (!SSL_CTX_set_default_verify_paths(ctx)))
629                 {
630                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
631                 ERR_print_errors(bio_err);
632                 /* goto end; */
633                 }
634
635         store = SSL_CTX_get_cert_store(ctx);
636         X509_STORE_set_flags(store, vflags);
637 #ifndef OPENSSL_NO_TLSEXT
638         if (servername != NULL)
639                 {
640                 tlsextcbp.biodebug = bio_err;
641                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
642                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
643                 }
644 #endif
645
646         con=SSL_new(ctx);
647 #ifndef OPENSSL_NO_TLSEXT
648         if (servername != NULL)
649                 {
650                 if (!SSL_set_tlsext_hostname(con,servername))
651                         {
652                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
653                         ERR_print_errors(bio_err);
654                         goto end;
655                         }
656                 }
657 #endif
658 #ifndef OPENSSL_NO_KRB5
659         if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
660                 {
661                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
662                 }
663 #endif  /* OPENSSL_NO_KRB5  */
664 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
665
666 re_start:
667
668         if (init_client(&s,host,port,socket_type) == 0)
669                 {
670                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
671                 SHUTDOWN(s);
672                 goto end;
673                 }
674         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
675
676 #ifdef FIONBIO
677         if (c_nbio)
678                 {
679                 unsigned long l=1;
680                 BIO_printf(bio_c_out,"turning on non blocking io\n");
681                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
682                         {
683                         ERR_print_errors(bio_err);
684                         goto end;
685                         }
686                 }
687 #endif                                              
688         if (c_Pause & 0x01) con->debug=1;
689
690         if ( SSL_version(con) == DTLS1_VERSION)
691                 {
692                 struct timeval timeout;
693
694                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
695                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
696                         {
697                         BIO_printf(bio_err, "getsockname:errno=%d\n",
698                                 get_last_socket_error());
699                         SHUTDOWN(s);
700                         goto end;
701                         }
702
703                 BIO_ctrl_set_connected(sbio, 1, &peer);
704
705                 if (enable_timeouts)
706                         {
707                         timeout.tv_sec = 0;
708                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
709                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
710                         
711                         timeout.tv_sec = 0;
712                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
713                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
714                         }
715
716                 if (socket_mtu > 0)
717                         {
718                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
719                         SSL_set_mtu(con, socket_mtu);
720                         }
721                 else
722                         /* want to do MTU discovery */
723                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
724                 }
725         else
726                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
727
728
729
730         if (nbio_test)
731                 {
732                 BIO *test;
733
734                 test=BIO_new(BIO_f_nbio_test());
735                 sbio=BIO_push(test,sbio);
736                 }
737
738         if (c_debug)
739                 {
740                 con->debug=1;
741                 BIO_set_callback(sbio,bio_dump_callback);
742                 BIO_set_callback_arg(sbio,bio_c_out);
743                 }
744         if (c_msg)
745                 {
746                 SSL_set_msg_callback(con, msg_cb);
747                 SSL_set_msg_callback_arg(con, bio_c_out);
748                 }
749
750         SSL_set_bio(con,sbio,sbio);
751         SSL_set_connect_state(con);
752
753         /* ok, lets connect */
754         width=SSL_get_fd(con)+1;
755
756         read_tty=1;
757         write_tty=0;
758         tty_on=0;
759         read_ssl=1;
760         write_ssl=1;
761         
762         cbuf_len=0;
763         cbuf_off=0;
764         sbuf_len=0;
765         sbuf_off=0;
766
767         /* This is an ugly hack that does a lot of assumptions */
768         if (starttls_proto == 1)
769                 {
770                 BIO_read(sbio,mbuf,BUFSIZZ);
771                 BIO_printf(sbio,"STARTTLS\r\n");
772                 BIO_read(sbio,sbuf,BUFSIZZ);
773                 }
774         if (starttls_proto == 2)
775                 {
776                 BIO_read(sbio,mbuf,BUFSIZZ);
777                 BIO_printf(sbio,"STLS\r\n");
778                 BIO_read(sbio,sbuf,BUFSIZZ);
779                 }
780
781         for (;;)
782                 {
783                 FD_ZERO(&readfds);
784                 FD_ZERO(&writefds);
785
786                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
787                         {
788                         in_init=1;
789                         tty_on=0;
790                         }
791                 else
792                         {
793                         tty_on=1;
794                         if (in_init)
795                                 {
796                                 in_init=0;
797 #ifndef OPENSSL_NO_TLSEXT
798         if (servername != NULL && !SSL_session_reused(con))
799                 {
800                 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
801                 }
802 #endif
803                                 print_stuff(bio_c_out,con,full_log);
804                                 if (full_log > 0) full_log--;
805
806                                 if (starttls_proto)
807                                         {
808                                         BIO_printf(bio_err,"%s",mbuf);
809                                         /* We don't need to know any more */
810                                         starttls_proto = 0;
811                                         }
812
813                                 if (reconnect)
814                                         {
815                                         reconnect--;
816                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
817                                         SSL_shutdown(con);
818                                         SSL_set_connect_state(con);
819                                         SHUTDOWN(SSL_get_fd(con));
820                                         goto re_start;
821                                         }
822                                 }
823                         }
824
825                 ssl_pending = read_ssl && SSL_pending(con);
826
827                 if (!ssl_pending)
828                         {
829 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
830                         if (tty_on)
831                                 {
832                                 if (read_tty)  FD_SET(fileno(stdin),&readfds);
833                                 if (write_tty) FD_SET(fileno(stdout),&writefds);
834                                 }
835                         if (read_ssl)
836                                 FD_SET(SSL_get_fd(con),&readfds);
837                         if (write_ssl)
838                                 FD_SET(SSL_get_fd(con),&writefds);
839 #else
840                         if(!tty_on || !write_tty) {
841                                 if (read_ssl)
842                                         FD_SET(SSL_get_fd(con),&readfds);
843                                 if (write_ssl)
844                                         FD_SET(SSL_get_fd(con),&writefds);
845                         }
846 #endif
847 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
848                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
849
850                         /* Note: under VMS with SOCKETSHR the second parameter
851                          * is currently of type (int *) whereas under other
852                          * systems it is (void *) if you don't have a cast it
853                          * will choke the compiler: if you do have a cast then
854                          * you can either go for (int *) or (void *).
855                          */
856 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
857                         /* Under Windows/DOS we make the assumption that we can
858                          * always write to the tty: therefore if we need to
859                          * write to the tty we just fall through. Otherwise
860                          * we timeout the select every second and see if there
861                          * are any keypresses. Note: this is a hack, in a proper
862                          * Windows application we wouldn't do this.
863                          */
864                         i=0;
865                         if(!write_tty) {
866                                 if(read_tty) {
867                                         tv.tv_sec = 1;
868                                         tv.tv_usec = 0;
869                                         i=select(width,(void *)&readfds,(void *)&writefds,
870                                                  NULL,&tv);
871 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
872                                         if(!i && (!_kbhit() || !read_tty) ) continue;
873 #else
874                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
875 #endif
876                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
877                                          NULL,NULL);
878                         }
879 #elif defined(OPENSSL_SYS_NETWARE)
880                         if(!write_tty) {
881                                 if(read_tty) {
882                                         tv.tv_sec = 1;
883                                         tv.tv_usec = 0;
884                                         i=select(width,(void *)&readfds,(void *)&writefds,
885                                                 NULL,&tv);
886                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
887                                         NULL,NULL);
888                         }
889 #else
890                         i=select(width,(void *)&readfds,(void *)&writefds,
891                                  NULL,NULL);
892 #endif
893                         if ( i < 0)
894                                 {
895                                 BIO_printf(bio_err,"bad select %d\n",
896                                 get_last_socket_error());
897                                 goto shut;
898                                 /* goto end; */
899                                 }
900                         }
901
902                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
903                         {
904                         k=SSL_write(con,&(cbuf[cbuf_off]),
905                                 (unsigned int)cbuf_len);
906                         switch (SSL_get_error(con,k))
907                                 {
908                         case SSL_ERROR_NONE:
909                                 cbuf_off+=k;
910                                 cbuf_len-=k;
911                                 if (k <= 0) goto end;
912                                 /* we have done a  write(con,NULL,0); */
913                                 if (cbuf_len <= 0)
914                                         {
915                                         read_tty=1;
916                                         write_ssl=0;
917                                         }
918                                 else /* if (cbuf_len > 0) */
919                                         {
920                                         read_tty=0;
921                                         write_ssl=1;
922                                         }
923                                 break;
924                         case SSL_ERROR_WANT_WRITE:
925                                 BIO_printf(bio_c_out,"write W BLOCK\n");
926                                 write_ssl=1;
927                                 read_tty=0;
928                                 break;
929                         case SSL_ERROR_WANT_READ:
930                                 BIO_printf(bio_c_out,"write R BLOCK\n");
931                                 write_tty=0;
932                                 read_ssl=1;
933                                 write_ssl=0;
934                                 break;
935                         case SSL_ERROR_WANT_X509_LOOKUP:
936                                 BIO_printf(bio_c_out,"write X BLOCK\n");
937                                 break;
938                         case SSL_ERROR_ZERO_RETURN:
939                                 if (cbuf_len != 0)
940                                         {
941                                         BIO_printf(bio_c_out,"shutdown\n");
942                                         goto shut;
943                                         }
944                                 else
945                                         {
946                                         read_tty=1;
947                                         write_ssl=0;
948                                         break;
949                                         }
950                                 
951                         case SSL_ERROR_SYSCALL:
952                                 if ((k != 0) || (cbuf_len != 0))
953                                         {
954                                         BIO_printf(bio_err,"write:errno=%d\n",
955                                                 get_last_socket_error());
956                                         goto shut;
957                                         }
958                                 else
959                                         {
960                                         read_tty=1;
961                                         write_ssl=0;
962                                         }
963                                 break;
964                         case SSL_ERROR_SSL:
965                                 ERR_print_errors(bio_err);
966                                 goto shut;
967                                 }
968                         }
969 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
970                 /* Assume Windows/DOS can always write */
971                 else if (!ssl_pending && write_tty)
972 #else
973                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
974 #endif
975                         {
976 #ifdef CHARSET_EBCDIC
977                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
978 #endif
979                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
980
981                         if (i <= 0)
982                                 {
983                                 BIO_printf(bio_c_out,"DONE\n");
984                                 goto shut;
985                                 /* goto end; */
986                                 }
987
988                         sbuf_len-=i;;
989                         sbuf_off+=i;
990                         if (sbuf_len <= 0)
991                                 {
992                                 read_ssl=1;
993                                 write_tty=0;
994                                 }
995                         }
996                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
997                         {
998 #ifdef RENEG
999 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1000 #endif
1001 #if 1
1002                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1003 #else
1004 /* Demo for pending and peek :-) */
1005                         k=SSL_read(con,sbuf,16);
1006 { char zbuf[10240]; 
1007 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1008 }
1009 #endif
1010
1011                         switch (SSL_get_error(con,k))
1012                                 {
1013                         case SSL_ERROR_NONE:
1014                                 if (k <= 0)
1015                                         goto end;
1016                                 sbuf_off=0;
1017                                 sbuf_len=k;
1018
1019                                 read_ssl=0;
1020                                 write_tty=1;
1021                                 break;
1022                         case SSL_ERROR_WANT_WRITE:
1023                                 BIO_printf(bio_c_out,"read W BLOCK\n");
1024                                 write_ssl=1;
1025                                 read_tty=0;
1026                                 break;
1027                         case SSL_ERROR_WANT_READ:
1028                                 BIO_printf(bio_c_out,"read R BLOCK\n");
1029                                 write_tty=0;
1030                                 read_ssl=1;
1031                                 if ((read_tty == 0) && (write_ssl == 0))
1032                                         write_ssl=1;
1033                                 break;
1034                         case SSL_ERROR_WANT_X509_LOOKUP:
1035                                 BIO_printf(bio_c_out,"read X BLOCK\n");
1036                                 break;
1037                         case SSL_ERROR_SYSCALL:
1038                                 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1039                                 goto shut;
1040                         case SSL_ERROR_ZERO_RETURN:
1041                                 BIO_printf(bio_c_out,"closed\n");
1042                                 goto shut;
1043                         case SSL_ERROR_SSL:
1044                                 ERR_print_errors(bio_err);
1045                                 goto shut;
1046                                 /* break; */
1047                                 }
1048                         }
1049
1050 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1051 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1052                 else if (_kbhit())
1053 #else
1054                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1055 #endif
1056 #elif defined (OPENSSL_SYS_NETWARE)
1057                 else if (_kbhit())
1058 #else
1059                 else if (FD_ISSET(fileno(stdin),&readfds))
1060 #endif
1061                         {
1062                         if (crlf)
1063                                 {
1064                                 int j, lf_num;
1065
1066                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1067                                 lf_num = 0;
1068                                 /* both loops are skipped when i <= 0 */
1069                                 for (j = 0; j < i; j++)
1070                                         if (cbuf[j] == '\n')
1071                                                 lf_num++;
1072                                 for (j = i-1; j >= 0; j--)
1073                                         {
1074                                         cbuf[j+lf_num] = cbuf[j];
1075                                         if (cbuf[j] == '\n')
1076                                                 {
1077                                                 lf_num--;
1078                                                 i++;
1079                                                 cbuf[j+lf_num] = '\r';
1080                                                 }
1081                                         }
1082                                 assert(lf_num == 0);
1083                                 }
1084                         else
1085                                 i=raw_read_stdin(cbuf,BUFSIZZ);
1086
1087                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1088                                 {
1089                                 BIO_printf(bio_err,"DONE\n");
1090                                 goto shut;
1091                                 }
1092
1093                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
1094                                 {
1095                                 BIO_printf(bio_err,"RENEGOTIATING\n");
1096                                 SSL_renegotiate(con);
1097                                 cbuf_len=0;
1098                                 }
1099                         else
1100                                 {
1101                                 cbuf_len=i;
1102                                 cbuf_off=0;
1103 #ifdef CHARSET_EBCDIC
1104                                 ebcdic2ascii(cbuf, cbuf, i);
1105 #endif
1106                                 }
1107
1108                         write_ssl=1;
1109                         read_tty=0;
1110                         }
1111                 }
1112 shut:
1113         SSL_shutdown(con);
1114         SHUTDOWN(SSL_get_fd(con));
1115         ret=0;
1116 end:
1117         if(prexit) print_stuff(bio_c_out,con,1);
1118         if (con != NULL) SSL_free(con);
1119         if (con2 != NULL) SSL_free(con2);
1120         if (ctx != NULL) SSL_CTX_free(ctx);
1121         if (cert)
1122                 X509_free(cert);
1123         if (key)
1124                 EVP_PKEY_free(key);
1125         if (pass)
1126                 OPENSSL_free(pass);
1127         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1128         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1129         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1130         if (bio_c_out != NULL)
1131                 {
1132                 BIO_free(bio_c_out);
1133                 bio_c_out=NULL;
1134                 }
1135         apps_shutdown();
1136         OPENSSL_EXIT(ret);
1137         }
1138
1139
1140 static void print_stuff(BIO *bio, SSL *s, int full)
1141         {
1142         X509 *peer=NULL;
1143         char *p;
1144         static const char *space="                ";
1145         char buf[BUFSIZ];
1146         STACK_OF(X509) *sk;
1147         STACK_OF(X509_NAME) *sk2;
1148         SSL_CIPHER *c;
1149         X509_NAME *xn;
1150         int j,i;
1151 #ifndef OPENSSL_NO_COMP
1152         const COMP_METHOD *comp, *expansion;
1153 #endif
1154
1155         if (full)
1156                 {
1157                 int got_a_chain = 0;
1158
1159                 sk=SSL_get_peer_cert_chain(s);
1160                 if (sk != NULL)
1161                         {
1162                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1163
1164                         BIO_printf(bio,"---\nCertificate chain\n");
1165                         for (i=0; i<sk_X509_num(sk); i++)
1166                                 {
1167                                 X509_NAME_oneline(X509_get_subject_name(
1168                                         sk_X509_value(sk,i)),buf,sizeof buf);
1169                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
1170                                 X509_NAME_oneline(X509_get_issuer_name(
1171                                         sk_X509_value(sk,i)),buf,sizeof buf);
1172                                 BIO_printf(bio,"   i:%s\n",buf);
1173                                 if (c_showcerts)
1174                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1175                                 }
1176                         }
1177
1178                 BIO_printf(bio,"---\n");
1179                 peer=SSL_get_peer_certificate(s);
1180                 if (peer != NULL)
1181                         {
1182                         BIO_printf(bio,"Server certificate\n");
1183                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1184                                 PEM_write_bio_X509(bio,peer);
1185                         X509_NAME_oneline(X509_get_subject_name(peer),
1186                                 buf,sizeof buf);
1187                         BIO_printf(bio,"subject=%s\n",buf);
1188                         X509_NAME_oneline(X509_get_issuer_name(peer),
1189                                 buf,sizeof buf);
1190                         BIO_printf(bio,"issuer=%s\n",buf);
1191                         }
1192                 else
1193                         BIO_printf(bio,"no peer certificate available\n");
1194
1195                 sk2=SSL_get_client_CA_list(s);
1196                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1197                         {
1198                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1199                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
1200                                 {
1201                                 xn=sk_X509_NAME_value(sk2,i);
1202                                 X509_NAME_oneline(xn,buf,sizeof(buf));
1203                                 BIO_write(bio,buf,strlen(buf));
1204                                 BIO_write(bio,"\n",1);
1205                                 }
1206                         }
1207                 else
1208                         {
1209                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1210                         }
1211                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1212                 if (p != NULL)
1213                         {
1214                         /* This works only for SSL 2.  In later protocol
1215                          * versions, the client does not know what other
1216                          * ciphers (in addition to the one to be used
1217                          * in the current connection) the server supports. */
1218
1219                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1220                         j=i=0;
1221                         while (*p)
1222                                 {
1223                                 if (*p == ':')
1224                                         {
1225                                         BIO_write(bio,space,15-j%25);
1226                                         i++;
1227                                         j=0;
1228                                         BIO_write(bio,((i%3)?" ":"\n"),1);
1229                                         }
1230                                 else
1231                                         {
1232                                         BIO_write(bio,p,1);
1233                                         j++;
1234                                         }
1235                                 p++;
1236                                 }
1237                         BIO_write(bio,"\n",1);
1238                         }
1239
1240                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1241                         BIO_number_read(SSL_get_rbio(s)),
1242                         BIO_number_written(SSL_get_wbio(s)));
1243                 }
1244         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1245         c=SSL_get_current_cipher(s);
1246         BIO_printf(bio,"%s, Cipher is %s\n",
1247                 SSL_CIPHER_get_version(c),
1248                 SSL_CIPHER_get_name(c));
1249         if (peer != NULL) {
1250                 EVP_PKEY *pktmp;
1251                 pktmp = X509_get_pubkey(peer);
1252                 BIO_printf(bio,"Server public key is %d bit\n",
1253                                                          EVP_PKEY_bits(pktmp));
1254                 EVP_PKEY_free(pktmp);
1255         }
1256 #ifndef OPENSSL_NO_COMP
1257         comp=SSL_get_current_compression(s);
1258         expansion=SSL_get_current_expansion(s);
1259         BIO_printf(bio,"Compression: %s\n",
1260                 comp ? SSL_COMP_get_name(comp) : "NONE");
1261         BIO_printf(bio,"Expansion: %s\n",
1262                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1263 #endif
1264         SSL_SESSION_print(bio,SSL_get_session(s));
1265         BIO_printf(bio,"---\n");
1266         if (peer != NULL)
1267                 X509_free(peer);
1268         /* flush, or debugging output gets mixed with http response */
1269         BIO_flush(bio);
1270         }
1271