f6015e83290a58aab9f05d3a942b271acfab2db2
[openssl.git] / apps / sc.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 #include <stdio.h>
60 #include <stdlib.h>
61 #include <string.h>
62 #define USE_SOCKETS
63 #ifdef NO_STDIO
64 #define APPS_WIN16
65 #endif
66 #include "apps.h"
67 #include "x509.h"
68 #include "ssl.h"
69 #include "err.h"
70 #include "pem.h"
71 #include "s_apps.h"
72
73 #ifdef WINDOWS
74 /* Most of the #if(n)def WINDOWS put in by Gerrit van Niekerk 
75    <gerritvn@osi.co.za> to support the keyboard under Windows.
76    Tested using Win95, *should* work with NT and Win3.x
77 */
78 #include <conio.h>
79 #endif
80
81 #undef PROG
82 #define PROG    s_client_main
83
84 /*#define SSL_HOST_NAME "www.netscape.com" */
85 /*#define SSL_HOST_NAME "193.118.187.102" */
86 #define SSL_HOST_NAME   "localhost"
87
88 /*#define TEST_CERT "client.pem" */ /* no default cert. */
89
90 #undef BUFSIZZ
91 #define BUFSIZZ 1024*8
92
93 extern int verify_depth;
94 extern int verify_error;
95
96 #ifdef FIONBIO
97 static int c_nbio=0;
98 #endif
99 static int c_Pause=0;
100 static int c_debug=0;
101
102 #ifndef NOPROTO
103 static void sc_usage(void);
104 static void print_stuff(BIO *berr,SSL *con,int full);
105 #else
106 static void sc_usage();
107 static void print_stuff();
108 #endif
109
110 static BIO *bio_c_out=NULL;
111 static int c_quiet=0;
112
113 static void sc_usage()
114         {
115         BIO_printf(bio_err,"usage: client args\n");
116         BIO_printf(bio_err,"\n");
117         BIO_printf(bio_err," -host host     - use -connect instead\n");
118         BIO_printf(bio_err," -port port     - use -connect instead\n");
119         BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
120
121         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
122         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
123         BIO_printf(bio_err," -key arg      - Private key file to use, PEM format assumed, in cert file if\n");
124         BIO_printf(bio_err,"                 not specified but cert file is.\n");
125         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
126         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
127         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
128         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
129         BIO_printf(bio_err," -debug        - extra output\n");
130         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
131         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
132 #ifdef FIONBIO
133         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
134 #endif
135         BIO_printf(bio_err," -quiet        - no s_client output\n");
136         BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
137         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
138         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
139         BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
140         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
141         BIO_printf(bio_err," -cipher       - prefered cipher to use, use the 'openssl ciphers'\n");
142         BIO_printf(bio_err,"                 command to see what is available\n");
143
144         }
145
146 int MAIN(argc, argv)
147 int argc;
148 char **argv;
149         {
150         int off=0;
151         SSL *con=NULL,*con2=NULL;
152         int s,k,width,state=0;
153         char *cbuf=NULL,*sbuf=NULL;
154         int cbuf_len,cbuf_off;
155         int sbuf_len,sbuf_off;
156         fd_set readfds,writefds;
157         short port=PORT;
158         int full_log=1;
159         char *host=SSL_HOST_NAME;
160         char *cert_file=NULL,*key_file=NULL;
161         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
162         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
163         int write_tty,read_tty,write_ssl,read_ssl,tty_on;
164         SSL_CTX *ctx=NULL;
165         int ret=1,in_init=1,i,nbio_test=0;
166         SSL_METHOD *meth=NULL;
167         BIO *sbio;
168         /*static struct timeval timeout={10,0};*/
169
170 #if !defined(NO_SSL2) && !defined(NO_SSL3)
171         meth=SSLv23_client_method();
172 #elif !defined(NO_SSL3)
173         meth=SSLv3_client_method();
174 #elif !defined(NO_SSL2)
175         meth=SSLv2_client_method();
176 #endif
177
178         apps_startup();
179         c_Pause=0;
180         c_quiet=0;
181         c_debug=0;
182
183         if (bio_err == NULL)
184                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
185
186         if (    ((cbuf=Malloc(BUFSIZZ)) == NULL) ||
187                 ((sbuf=Malloc(BUFSIZZ)) == NULL))
188                 {
189                 BIO_printf(bio_err,"out of memory\n");
190                 goto end;
191                 }
192
193         verify_depth=0;
194         verify_error=X509_V_OK;
195 #ifdef FIONBIO
196         c_nbio=0;
197 #endif
198 #ifdef WINDOWS
199         c_nbio = 1;
200 #endif
201
202         argc--;
203         argv++;
204         while (argc >= 1)
205                 {
206                 if      (strcmp(*argv,"-host") == 0)
207                         {
208                         if (--argc < 1) goto bad;
209                         host= *(++argv);
210                         }
211                 else if (strcmp(*argv,"-port") == 0)
212                         {
213                         if (--argc < 1) goto bad;
214                         port=atoi(*(++argv));
215                         if (port == 0) goto bad;
216                         }
217                 else if (strcmp(*argv,"-connect") == 0)
218                         {
219                         if (--argc < 1) goto bad;
220                         if (!extract_host_port(*(++argv),&host,NULL,&port))
221                                 goto bad;
222                         }
223                 else if (strcmp(*argv,"-verify") == 0)
224                         {
225                         verify=SSL_VERIFY_PEER;
226                         if (--argc < 1) goto bad;
227                         verify_depth=atoi(*(++argv));
228                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
229                         }
230                 else if (strcmp(*argv,"-cert") == 0)
231                         {
232                         if (--argc < 1) goto bad;
233                         cert_file= *(++argv);
234                         }
235                 else if (strcmp(*argv,"-quiet") == 0)
236                         c_quiet=1;
237                 else if (strcmp(*argv,"-pause") == 0)
238                         c_Pause=1;
239                 else if (strcmp(*argv,"-debug") == 0)
240                         c_debug=1;
241                 else if (strcmp(*argv,"-nbio_test") == 0)
242                         nbio_test=1;
243                 else if (strcmp(*argv,"-state") == 0)
244                         state=1;
245 #ifndef NO_SSL2
246                 else if (strcmp(*argv,"-ssl2") == 0)
247                         meth=SSLv2_client_method();
248 #endif
249 #ifndef NO_SSL3
250                 else if (strcmp(*argv,"-ssl3") == 0)
251                         meth=SSLv3_client_method();
252 #endif
253 #ifndef NO_TLS1
254                 else if (strcmp(*argv,"-tls1") == 0)
255                         meth=TLSv1_client_method();
256 #endif
257                 else if (strcmp(*argv,"-bugs") == 0)
258                         bugs=1;
259                 else if (strcmp(*argv,"-key") == 0)
260                         {
261                         if (--argc < 1) goto bad;
262                         key_file= *(++argv);
263                         }
264                 else if (strcmp(*argv,"-reconnect") == 0)
265                         {
266                         reconnect=5;
267                         }
268                 else if (strcmp(*argv,"-CApath") == 0)
269                         {
270                         if (--argc < 1) goto bad;
271                         CApath= *(++argv);
272                         }
273                 else if (strcmp(*argv,"-CAfile") == 0)
274                         {
275                         if (--argc < 1) goto bad;
276                         CAfile= *(++argv);
277                         }
278                 else if (strcmp(*argv,"-no_tls1") == 0)
279                         off|=SSL_OP_NO_TLSv1;
280                 else if (strcmp(*argv,"-no_ssl3") == 0)
281                         off|=SSL_OP_NO_SSLv3;
282                 else if (strcmp(*argv,"-no_ssl2") == 0)
283                         off|=SSL_OP_NO_SSLv2;
284                 else if (strcmp(*argv,"-cipher") == 0)
285                         {
286                         if (--argc < 1) goto bad;
287                         cipher= *(++argv);
288                         }
289 #ifdef FIONBIO
290                 else if (strcmp(*argv,"-nbio") == 0)
291                         { c_nbio=1; }
292 #endif
293                 else
294                         {
295                         BIO_printf(bio_err,"unknown option %s\n",*argv);
296                         badop=1;
297                         break;
298                         }
299                 argc--;
300                 argv++;
301                 }
302         if (badop)
303                 {
304 bad:
305                 sc_usage();
306                 goto end;
307                 }
308
309         if (bio_c_out == NULL)
310                 {
311                 if (c_quiet)
312                         {
313                         bio_c_out=BIO_new(BIO_s_null());
314                         }
315                 else
316                         {
317                         if (bio_c_out == NULL)
318                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
319                         }
320                 }
321
322         SSLeay_add_ssl_algorithms();
323         ctx=SSL_CTX_new(meth);
324         if (ctx == NULL)
325                 {
326                 ERR_print_errors(bio_err);
327                 goto end;
328                 }
329
330         if (bugs)
331                 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
332         else
333                 SSL_CTX_set_options(ctx,off);
334
335         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
336         if (cipher != NULL)
337                 SSL_CTX_set_cipher_list(ctx,cipher);
338 #if 0
339         else
340                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
341 #endif
342
343         SSL_CTX_set_verify(ctx,verify,verify_callback);
344         if (!set_cert_stuff(ctx,cert_file,key_file))
345                 goto end;
346
347         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
348                 (!SSL_CTX_set_default_verify_paths(ctx)))
349                 {
350                 /* BIO_printf(bio_err,"error seting default verify locations\n"); */
351                 ERR_print_errors(bio_err);
352                 /* goto end; */
353                 }
354
355         SSL_load_error_strings();
356
357         con=(SSL *)SSL_new(ctx);
358 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
359
360 re_start:
361
362         if (init_client(&s,host,port) == 0)
363                 {
364                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
365                 SHUTDOWN(s);
366                 goto end;
367                 }
368         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
369
370 #ifdef FIONBIO
371         if (c_nbio)
372                 {
373                 unsigned long l=1;
374                 BIO_printf(bio_c_out,"turning on non blocking io\n");
375                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
376                         {
377                         ERR_print_errors(bio_err);
378                         goto end;
379                         }
380                 }
381 #endif                                              
382         if (c_Pause & 0x01) con->debug=1;
383         sbio=BIO_new_socket(s,BIO_NOCLOSE);
384
385         if (nbio_test)
386                 {
387                 BIO *test;
388
389                 test=BIO_new(BIO_f_nbio_test());
390                 sbio=BIO_push(test,sbio);
391                 }
392
393         if (c_debug)
394                 {
395                 con->debug=1;
396                 BIO_set_callback(sbio,bio_dump_cb);
397                 BIO_set_callback_arg(sbio,bio_c_out);
398                 }
399
400         SSL_set_bio(con,sbio,sbio);
401         SSL_set_connect_state(con);
402
403         /* ok, lets connect */
404         width=SSL_get_fd(con)+1;
405
406         read_tty=1;
407         write_tty=0;
408         tty_on=0;
409         read_ssl=1;
410         write_ssl=1;
411         
412         cbuf_len=0;
413         cbuf_off=0;
414         sbuf_len=0;
415         sbuf_off=0;
416
417         for (;;)
418                 {
419                 FD_ZERO(&readfds);
420                 FD_ZERO(&writefds);
421
422                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
423                         {
424                         in_init=1;
425                         tty_on=0;
426                         }
427                 else
428                         {
429                         tty_on=1;
430                         if (in_init)
431                                 {
432                                 in_init=0;
433                                 print_stuff(bio_c_out,con,full_log);
434                                 if (full_log > 0) full_log--;
435
436                                 if (reconnect)
437                                         {
438                                         reconnect--;
439                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
440                                         SSL_shutdown(con);
441                                         SSL_set_connect_state(con);
442                                         SHUTDOWN(SSL_get_fd(con));
443                                         goto re_start;
444                                         }
445                                 }
446                         }
447
448 #ifndef WINDOWS
449                 if (tty_on)
450                         {
451                         if (read_tty)  FD_SET(fileno(stdin),&readfds);
452                         if (write_tty) FD_SET(fileno(stdout),&writefds);
453                         }
454 #endif
455                 if (read_ssl)
456                         FD_SET(SSL_get_fd(con),&readfds);
457                 if (write_ssl)
458                         FD_SET(SSL_get_fd(con),&writefds);
459
460 /*              printf("mode tty(%d %d%d) ssl(%d%d)\n",
461                         tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
462
463 #ifndef WINDOWS
464                 i=select(width,&readfds,&writefds,NULL,NULL);
465                 if ( i < 0)
466                         {
467                         BIO_printf(bio_err,"bad select %d\n",
468                                 get_last_socket_error());
469                         goto shut;
470                         /* goto end; */
471                         }
472
473                 if (FD_ISSET(SSL_get_fd(con),&writefds))
474 #else
475                 if (write_ssl)
476 #endif
477                         {
478                         k=SSL_write(con,&(cbuf[cbuf_off]),
479                                 (unsigned int)cbuf_len);
480                         switch (SSL_get_error(con,k))
481                                 {
482                         case SSL_ERROR_NONE:
483                                 cbuf_off+=k;
484                                 cbuf_len-=k;
485                                 if (k <= 0) goto end;
486                                 /* we have done a  write(con,NULL,0); */
487                                 if (cbuf_len <= 0)
488                                         {
489                                         read_tty=1;
490                                         write_ssl=0;
491                                         }
492                                 else /* if (cbuf_len > 0) */
493                                         {
494                                         read_tty=0;
495                                         write_ssl=1;
496                                         }
497                                 break;
498                         case SSL_ERROR_WANT_WRITE:
499 #ifndef WINDOWS
500                                 BIO_printf(bio_c_out,"write W BLOCK\n");
501 #endif
502                                 write_ssl=1;
503                                 read_tty=0;
504                                 break;
505                         case SSL_ERROR_WANT_READ:
506 #ifndef WINDOWS
507                                 BIO_printf(bio_c_out,"write R BLOCK\n");
508 #endif
509                                 write_tty=0;
510                                 read_ssl=1;
511                                 write_ssl=0;
512                                 break;
513                         case SSL_ERROR_WANT_X509_LOOKUP:
514                                 BIO_printf(bio_c_out,"write X BLOCK\n");
515                                 break;
516                         case SSL_ERROR_ZERO_RETURN:
517                                 if (cbuf_len != 0)
518                                         {
519                                         BIO_printf(bio_c_out,"shutdown\n");
520                                         goto shut;
521                                         }
522                                 else
523                                         {
524                                         read_tty=1;
525                                         write_ssl=0;
526                                         break;
527                                         }
528                                 
529                         case SSL_ERROR_SYSCALL:
530                                 if ((k != 0) || (cbuf_len != 0))
531                                         {
532                                         BIO_printf(bio_err,"write:errno=%d\n",
533                                                 get_last_socket_error());
534                                         goto shut;
535                                         }
536                                 else
537                                         {
538                                         read_tty=1;
539                                         write_ssl=0;
540                                         }
541                                 break;
542                         case SSL_ERROR_SSL:
543                                 ERR_print_errors(bio_err);
544                                 goto shut;
545                                 }
546                         }
547 #ifndef WINDOWS
548                 else if (FD_ISSET(fileno(stdout),&writefds))
549 #else
550                 else if (tty_on && write_tty)
551 #endif
552                         {
553                         i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
554
555                         if (i <= 0)
556                                 {
557                                 BIO_printf(bio_c_out,"DONE\n");
558                                 goto shut;
559                                 /* goto end; */
560                                 }
561
562                         sbuf_len-=i;;
563                         sbuf_off+=i;
564                         if (sbuf_len <= 0)
565                                 {
566                                 read_ssl=1;
567                                 write_tty=0;
568                                 }
569                         }
570 #ifndef WINDOWS
571                 else if (FD_ISSET(SSL_get_fd(con),&readfds))
572 #else
573                 if (read_ssl)
574 #endif
575                         {
576 #ifdef RENEG
577 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
578 #endif
579                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
580
581                         switch (SSL_get_error(con,k))
582                                 {
583                         case SSL_ERROR_NONE:
584                                 if (k <= 0)
585                                         goto end;
586                                 sbuf_off=0;
587                                 sbuf_len=k;
588
589                                 read_ssl=0;
590                                 write_tty=1;
591                                 break;
592                         case SSL_ERROR_WANT_WRITE:
593 #ifndef WINDOWS
594                                 BIO_printf(bio_c_out,"read W BLOCK\n");
595 #endif
596                                 write_ssl=1;
597                                 read_tty=0;
598                                 break;
599                         case SSL_ERROR_WANT_READ:
600 #ifndef WINDOWS
601                                 BIO_printf(bio_c_out,"read R BLOCK\n");
602 #endif
603                                 write_tty=0;
604                                 read_ssl=1;
605                                 if ((read_tty == 0) && (write_ssl == 0))
606                                         write_ssl=1;
607                                 break;
608                         case SSL_ERROR_WANT_X509_LOOKUP:
609                                 BIO_printf(bio_c_out,"read X BLOCK\n");
610                                 break;
611                         case SSL_ERROR_SYSCALL:
612                                 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
613                                 goto shut;
614                         case SSL_ERROR_ZERO_RETURN:
615                                 BIO_printf(bio_c_out,"closed\n");
616                                 goto shut;
617                         case SSL_ERROR_SSL:
618                                 ERR_print_errors(bio_err);
619                                 goto shut;
620                                 break;
621                                 }
622                         }
623
624 #ifndef WINDOWS
625                 else if (FD_ISSET(fileno(stdin),&readfds))
626                         {
627                         i=read(fileno(stdin),cbuf,BUFSIZZ);
628 #else
629                 if (tty_on && read_tty && _kbhit())
630                         {
631                         i = 1;
632                         cbuf[0] = _getch();
633 #endif
634
635                         if ((!c_quiet) && ((i <= 0) || (cbuf[0] == 'Q')))
636                                 {
637                                 BIO_printf(bio_err,"DONE\n");
638                                 goto shut;
639                                 }
640
641                         if ((!c_quiet) && (cbuf[0] == 'R'))
642                                 {
643                                 SSL_renegotiate(con);
644                                 read_tty=0;
645                                 write_ssl=1;
646                                 }
647                         else
648                                 {
649                                 cbuf_len=i;
650                                 cbuf_off=0;
651                                 }
652
653                         read_tty=0;
654                         write_ssl=1;
655                         }
656                 }
657 shut:
658         SSL_shutdown(con);
659         SHUTDOWN(SSL_get_fd(con));
660         ret=0;
661 end:
662         if (con != NULL) SSL_free(con);
663         if (con2 != NULL) SSL_free(con2);
664         if (ctx != NULL) SSL_CTX_free(ctx);
665         if (cbuf != NULL) { memset(cbuf,0,BUFSIZZ); Free(cbuf); }
666         if (sbuf != NULL) { memset(sbuf,0,BUFSIZZ); Free(sbuf); }
667         if (bio_c_out != NULL)
668                 {
669                 BIO_free(bio_c_out);
670                 bio_c_out=NULL;
671                 }
672         EXIT(ret);
673         }
674
675
676 static void print_stuff(bio,s,full)
677 BIO *bio;
678 SSL *s;
679 int full;
680         {
681         X509 *peer=NULL;
682         char *p;
683         static char *space="                ";
684         char buf[BUFSIZ];
685         STACK *sk;
686         SSL_CIPHER *c;
687         X509_NAME *xn;
688         int j,i;
689
690         if (full)
691                 {
692                 sk=SSL_get_peer_cert_chain(s);
693                 if (sk != NULL)
694                         {
695                         BIO_printf(bio,"---\nCertificate chain\n");
696                         for (i=0; i<sk_num(sk); i++)
697                                 {
698                                 X509_NAME_oneline(X509_get_subject_name((X509 *)
699                                         sk_value(sk,i)),buf,BUFSIZ);
700                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
701                                 X509_NAME_oneline(X509_get_issuer_name((X509 *)
702                                         sk_value(sk,i)),buf,BUFSIZ);
703                                 BIO_printf(bio,"   i:%s\n",buf);
704                                 }
705                         }
706
707                 BIO_printf(bio,"---\n");
708                 peer=SSL_get_peer_certificate(s);
709                 if (peer != NULL)
710                         {
711                         BIO_printf(bio,"Server certificate\n");
712                         PEM_write_bio_X509(bio,peer);
713                         X509_NAME_oneline(X509_get_subject_name(peer),
714                                 buf,BUFSIZ);
715                         BIO_printf(bio,"subject=%s\n",buf);
716                         X509_NAME_oneline(X509_get_issuer_name(peer),
717                                 buf,BUFSIZ);
718                         BIO_printf(bio,"issuer=%s\n",buf);
719                         }
720                 else
721                         BIO_printf(bio,"no peer certificate available\n");
722
723                 sk=SSL_get_client_CA_list(s);
724                 if ((sk != NULL) && (sk_num(sk) > 0))
725                         {
726                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
727                         for (i=0; i<sk_num(sk); i++)
728                                 {
729                                 xn=(X509_NAME *)sk_value(sk,i);
730                                 X509_NAME_oneline(xn,buf,sizeof(buf));
731                                 BIO_write(bio,buf,strlen(buf));
732                                 BIO_write(bio,"\n",1);
733                                 }
734                         }
735                 else
736                         {
737                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
738                         }
739                 p=SSL_get_shared_ciphers(s,buf,BUFSIZ);
740                 if (p != NULL)
741                         {
742                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
743                         j=i=0;
744                         while (*p)
745                                 {
746                                 if (*p == ':')
747                                         {
748                                         BIO_write(bio,space,15-j%25);
749                                         i++;
750                                         j=0;
751                                         BIO_write(bio,((i%3)?" ":"\n"),1);
752                                         }
753                                 else
754                                         {
755                                         BIO_write(bio,p,1);
756                                         j++;
757                                         }
758                                 p++;
759                                 }
760                         BIO_write(bio,"\n",1);
761                         }
762
763                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
764                         BIO_number_read(SSL_get_rbio(s)),
765                         BIO_number_written(SSL_get_wbio(s)));
766                 }
767         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
768         c=SSL_get_current_cipher(s);
769         BIO_printf(bio,"%s, Cipher is %s\n",
770                 SSL_CIPHER_get_version(c),
771                 SSL_CIPHER_get_name(c));
772         if (peer != NULL)
773                 BIO_printf(bio,"Server public key is %d bit\n",
774                         EVP_PKEY_bits(X509_get_pubkey(peer)));
775         SSL_SESSION_print(bio,SSL_get_session(s));
776         BIO_printf(bio,"---\n");
777         if (peer != NULL)
778                 X509_free(peer);
779         }
780