This time, get it right.
[openssl.git] / ssl / ssltest.c
1 /* ssl/ssltest.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 #include <errno.h>
63 #include "e_os.h"
64 #include "bio.h"
65 #include "crypto.h"
66 #include "x509.h"
67 #include "ssl.h"
68 #include "err.h"
69 #ifdef WINDOWS
70 #include "../crypto/bio/bss_file.c"
71 #endif
72
73 #define TEST_SERVER_CERT "../apps/server.pem"
74 #define TEST_CLIENT_CERT "../apps/client.pem"
75
76 #ifndef NOPROTO
77 int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
78 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export);
79 #ifndef NO_DSA
80 static DH *get_dh512(void);
81 #endif
82 #else
83 int MS_CALLBACK verify_callback();
84 static RSA MS_CALLBACK *tmp_rsa_cb();
85 #ifndef NO_DSA
86 static DH *get_dh512();
87 #endif
88 #endif
89
90 BIO *bio_err=NULL;
91 BIO *bio_stdout=NULL;
92
93 static char *cipher=NULL;
94 int verbose=0;
95 int debug=0;
96 #ifdef FIONBIO
97 static int s_nbio=0;
98 #endif
99
100
101 #ifndef  NOPROTO
102 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
103 #else
104 int doit();
105 #endif
106
107 static void sv_usage()
108         {
109         fprintf(stderr,"usage: ssltest [args ...]\n");
110         fprintf(stderr,"\n");
111         fprintf(stderr," -server_auth  - check server certificate\n");
112         fprintf(stderr," -client_auth  - do client authentication\n");
113         fprintf(stderr," -v            - more output\n");
114         fprintf(stderr," -d            - debug output\n");
115         fprintf(stderr," -reuse        - use session-id reuse\n");
116         fprintf(stderr," -num <val>    - number of connections to perform\n");
117         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
118 #ifndef NO_SSL2
119         fprintf(stderr," -ssl2         - use SSLv2\n");
120 #endif
121 #ifndef NO_SSL3
122         fprintf(stderr," -ssl3         - use SSLv3\n");
123 #endif
124 #ifndef NO_TLS1
125         fprintf(stderr," -tls1         - use TLSv1\n");
126 #endif
127         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
128         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
129         fprintf(stderr," -cert arg     - Certificate file\n");
130         fprintf(stderr," -s_cert arg   - Just the server certificate file\n");
131         fprintf(stderr," -c_cert arg   - Just the client certificate file\n");
132         fprintf(stderr," -cipher arg   - The cipher list\n");
133         }
134
135 int main(argc, argv)
136 int argc;
137 char *argv[];
138         {
139         char *CApath=NULL,*CAfile=NULL;
140         int badop=0;
141         int tls1=0,ssl2=0,ssl3=0,ret=1;
142         int client_auth=0;
143         int server_auth=0,i;
144         char *server_cert=TEST_SERVER_CERT;
145         char *client_cert=TEST_CLIENT_CERT;
146         SSL_CTX *s_ctx=NULL;
147         SSL_CTX *c_ctx=NULL;
148         SSL_METHOD *meth=NULL;
149         SSL *c_ssl,*s_ssl;
150         int number=1,reuse=0;
151         long bytes=1L;
152         SSL_CIPHER *ciph;
153 #ifndef NO_DH
154         DH *dh;
155 #endif
156
157         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
158         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
159
160         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
161
162         argc--;
163         argv++;
164
165         while (argc >= 1)
166                 {
167                 if      (strcmp(*argv,"-server_auth") == 0)
168                         server_auth=1;
169                 else if (strcmp(*argv,"-client_auth") == 0)
170                         client_auth=1;
171                 else if (strcmp(*argv,"-v") == 0)
172                         verbose=1;
173                 else if (strcmp(*argv,"-d") == 0)
174                         debug=1;
175                 else if (strcmp(*argv,"-reuse") == 0)
176                         reuse=1;
177                 else if (strcmp(*argv,"-ssl2") == 0)
178                         ssl2=1;
179                 else if (strcmp(*argv,"-tls1") == 0)
180                         tls1=1;
181                 else if (strcmp(*argv,"-ssl3") == 0)
182                         ssl3=1;
183                 else if (strncmp(*argv,"-num",4) == 0)
184                         {
185                         if (--argc < 1) goto bad;
186                         number= atoi(*(++argv));
187                         if (number == 0) number=1;
188                         }
189                 else if (strcmp(*argv,"-bytes") == 0)
190                         {
191                         if (--argc < 1) goto bad;
192                         bytes= atol(*(++argv));
193                         if (bytes == 0L) bytes=1L;
194                         i=strlen(argv[0]);
195                         if (argv[0][i-1] == 'k') bytes*=1024L;
196                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
197                         }
198                 else if (strcmp(*argv,"-cert") == 0)
199                         {
200                         if (--argc < 1) goto bad;
201                         server_cert= *(++argv);
202                         }
203                 else if (strcmp(*argv,"-s_cert") == 0)
204                         {
205                         if (--argc < 1) goto bad;
206                         server_cert= *(++argv);
207                         }
208                 else if (strcmp(*argv,"-c_cert") == 0)
209                         {
210                         if (--argc < 1) goto bad;
211                         client_cert= *(++argv);
212                         }
213                 else if (strcmp(*argv,"-cipher") == 0)
214                         {
215                         if (--argc < 1) goto bad;
216                         cipher= *(++argv);
217                         }
218                 else if (strcmp(*argv,"-CApath") == 0)
219                         {
220                         if (--argc < 1) goto bad;
221                         CApath= *(++argv);
222                         }
223                 else if (strcmp(*argv,"-CAfile") == 0)
224                         {
225                         if (--argc < 1) goto bad;
226                         CAfile= *(++argv);
227                         }
228                 else
229                         {
230                         fprintf(stderr,"unknown option %s\n",*argv);
231                         badop=1;
232                         break;
233                         }
234                 argc--;
235                 argv++;
236                 }
237         if (badop)
238                 {
239 bad:
240                 sv_usage();
241                 goto end;
242                 }
243
244 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
245
246         SSLeay_add_ssl_algorithms();
247         SSL_load_error_strings();
248
249 #if !defined(NO_SSL2) && !defined(NO_SSL3)
250         if (ssl2)
251                 meth=SSLv2_method();
252         else 
253         if (tls1)
254                 meth=TLSv1_method();
255         else
256         if (ssl3)
257                 meth=SSLv3_method();
258         else
259                 meth=SSLv23_method();
260 #else
261 #ifdef NO_SSL2
262         meth=SSLv3_method();
263 #else
264         meth=SSLv2_method();
265 #endif
266 #endif
267
268         c_ctx=SSL_CTX_new(meth);
269         s_ctx=SSL_CTX_new(meth);
270         if ((c_ctx == NULL) || (s_ctx == NULL))
271                 {
272                 ERR_print_errors(bio_err);
273                 goto end;
274                 }
275
276         if (cipher != NULL)
277                 {
278                 SSL_CTX_set_cipher_list(c_ctx,cipher);
279                 SSL_CTX_set_cipher_list(s_ctx,cipher);
280                 }
281
282 #ifndef NO_DH
283         dh=get_dh512();
284         SSL_CTX_set_tmp_dh(s_ctx,dh);
285         DH_free(dh);
286 #endif
287
288 #ifndef NO_RSA
289         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
290 #endif
291
292         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
293                 {
294                 ERR_print_errors(bio_err);
295                 }
296         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,server_cert,
297                 SSL_FILETYPE_PEM))
298                 {
299                 ERR_print_errors(bio_err);
300                 goto end;
301                 }
302
303         if (client_auth)
304                 {
305                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
306                         SSL_FILETYPE_PEM);
307                 SSL_CTX_use_PrivateKey_file(c_ctx,client_cert,
308                         SSL_FILETYPE_PEM);
309                 }
310
311         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
312                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
313                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
314                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
315                 {
316                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
317                 ERR_print_errors(bio_err);
318                 /* goto end; */
319                 }
320
321         if (client_auth)
322                 {
323                 fprintf(stderr,"client authentication\n");
324                 SSL_CTX_set_verify(s_ctx,
325                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
326                         verify_callback);
327                 }
328         if (server_auth)
329                 {
330                 fprintf(stderr,"server authentication\n");
331                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
332                         verify_callback);
333                 }
334
335         c_ssl=SSL_new(c_ctx);
336         s_ssl=SSL_new(s_ctx);
337
338         for (i=0; i<number; i++)
339                 {
340                 if (!reuse) SSL_set_session(c_ssl,NULL);
341                 ret=doit(s_ssl,c_ssl,bytes);
342                 }
343
344         if (!verbose)
345                 {
346                 ciph=SSL_get_current_cipher(c_ssl);
347                 fprintf(stdout,"Protocol %s, cipher %s, %s\n",
348                         SSL_get_version(c_ssl),
349                         SSL_CIPHER_get_version(ciph),
350                         SSL_CIPHER_get_name(ciph));
351                 }
352         if ((number > 1) || (bytes > 1L))
353                 printf("%d handshakes of %ld bytes done\n",number,bytes);
354
355         SSL_free(s_ssl);
356         SSL_free(c_ssl);
357
358 end:
359         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
360         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
361
362         if (bio_stdout != NULL) BIO_free(bio_stdout);
363
364         ERR_free_strings();
365         ERR_remove_state(0);
366         EVP_cleanup();
367         CRYPTO_mem_leaks(bio_err);
368         EXIT(ret);
369         }
370
371 #define W_READ  1
372 #define W_WRITE 2
373 #define C_DONE  1
374 #define S_DONE  2
375
376 int doit(s_ssl,c_ssl,count)
377 SSL *s_ssl,*c_ssl;
378 long count;
379         {
380         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
381         long cw_num=count,cr_num=count;
382         long sw_num=count,sr_num=count;
383         int ret=1;
384         BIO *c_to_s=NULL;
385         BIO *s_to_c=NULL;
386         BIO *c_bio=NULL;
387         BIO *s_bio=NULL;
388         int c_r,c_w,s_r,s_w;
389         int c_want,s_want;
390         int i,j;
391         int done=0;
392         int c_write,s_write;
393         int do_server=0,do_client=0;
394         SSL_CIPHER *ciph;
395
396         c_to_s=BIO_new(BIO_s_mem());
397         s_to_c=BIO_new(BIO_s_mem());
398         if ((s_to_c == NULL) || (c_to_s == NULL))
399                 {
400                 ERR_print_errors(bio_err);
401                 goto err;
402                 }
403
404         c_bio=BIO_new(BIO_f_ssl());
405         s_bio=BIO_new(BIO_f_ssl());
406         if ((c_bio == NULL) || (s_bio == NULL))
407                 {
408                 ERR_print_errors(bio_err);
409                 goto err;
410                 }
411
412         SSL_set_connect_state(c_ssl);
413         SSL_set_bio(c_ssl,s_to_c,c_to_s);
414         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
415
416         SSL_set_accept_state(s_ssl);
417         SSL_set_bio(s_ssl,c_to_s,s_to_c);
418         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
419
420         c_r=0; s_r=1;
421         c_w=1; s_w=0;
422         c_want=W_WRITE;
423         s_want=0;
424         c_write=1,s_write=0;
425
426         /* We can always do writes */
427         for (;;)
428                 {
429                 do_server=0;
430                 do_client=0;
431
432                 i=(int)BIO_pending(s_bio);
433                 if ((i && s_r) || s_w) do_server=1;
434
435                 i=(int)BIO_pending(c_bio);
436                 if ((i && c_r) || c_w) do_client=1;
437
438                 if (do_server && debug)
439                         {
440                         if (SSL_in_init(s_ssl))
441                                 printf("server waiting in SSL_accept - %s\n",
442                                         SSL_state_string_long(s_ssl));
443 /*                      else if (s_write)
444                                 printf("server:SSL_write()\n");
445                         else
446                                 printf("server:SSL_read()\n"); */
447                         }
448
449                 if (do_client && debug)
450                         {
451                         if (SSL_in_init(c_ssl))
452                                 printf("client waiting in SSL_connect - %s\n",
453                                         SSL_state_string_long(c_ssl));
454 /*                      else if (c_write)
455                                 printf("client:SSL_write()\n");
456                         else
457                                 printf("client:SSL_read()\n"); */
458                         }
459
460                 if (!do_client && !do_server)
461                         {
462                         fprintf(stdout,"ERROR IN STARTUP\n");
463                         ERR_print_errors(bio_err);
464                         break;
465                         }
466                 if (do_client && !(done & C_DONE))
467                         {
468                         if (c_write)
469                                 {
470                                 j=(cw_num > (long)sizeof(cbuf))
471                                         ?sizeof(cbuf):(int)cw_num;
472                                 i=BIO_write(c_bio,cbuf,j);
473                                 if (i < 0)
474                                         {
475                                         c_r=0;
476                                         c_w=0;
477                                         if (BIO_should_retry(c_bio))
478                                                 {
479                                                 if (BIO_should_read(c_bio))
480                                                         c_r=1;
481                                                 if (BIO_should_write(c_bio))
482                                                         c_w=1;
483                                                 }
484                                         else
485                                                 {
486                                                 fprintf(stderr,"ERROR in CLIENT\n");
487                                                 ERR_print_errors(bio_err);
488                                                 goto err;
489                                                 }
490                                         }
491                                 else if (i == 0)
492                                         {
493                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
494                                         goto err;
495                                         }
496                                 else
497                                         {
498                                         if (debug)
499                                                 printf("client wrote %d\n",i);
500                                         /* ok */
501                                         s_r=1;
502                                         c_write=0;
503                                         cw_num-=i;
504                                         }
505                                 }
506                         else
507                                 {
508                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
509                                 if (i < 0)
510                                         {
511                                         c_r=0;
512                                         c_w=0;
513                                         if (BIO_should_retry(c_bio))
514                                                 {
515                                                 if (BIO_should_read(c_bio))
516                                                         c_r=1;
517                                                 if (BIO_should_write(c_bio))
518                                                         c_w=1;
519                                                 }
520                                         else
521                                                 {
522                                                 fprintf(stderr,"ERROR in CLIENT\n");
523                                                 ERR_print_errors(bio_err);
524                                                 goto err;
525                                                 }
526                                         }
527                                 else if (i == 0)
528                                         {
529                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
530                                         goto err;
531                                         }
532                                 else
533                                         {
534                                         if (debug)
535                                                 printf("client read %d\n",i);
536                                         cr_num-=i;
537                                         if (sw_num > 0)
538                                                 {
539                                                 s_write=1;
540                                                 s_w=1;
541                                                 }
542                                         if (cr_num <= 0)
543                                                 {
544                                                 s_write=1;
545                                                 s_w=1;
546                                                 done=S_DONE|C_DONE;
547                                                 }
548                                         }
549                                 }
550                         }
551
552                 if (do_server && !(done & S_DONE))
553                         {
554                         if (!s_write)
555                                 {
556                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
557                                 if (i < 0)
558                                         {
559                                         s_r=0;
560                                         s_w=0;
561                                         if (BIO_should_retry(s_bio))
562                                                 {
563                                                 if (BIO_should_read(s_bio))
564                                                         s_r=1;
565                                                 if (BIO_should_write(s_bio))
566                                                         s_w=1;
567                                                 }
568                                         else
569                                                 {
570                                                 fprintf(stderr,"ERROR in SERVER\n");
571                                                 ERR_print_errors(bio_err);
572                                                 goto err;
573                                                 }
574                                         }
575                                 else if (i == 0)
576                                         {
577                                         ERR_print_errors(bio_err);
578                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
579                                         goto err;
580                                         }
581                                 else
582                                         {
583                                         if (debug)
584                                                 printf("server read %d\n",i);
585                                         sr_num-=i;
586                                         if (cw_num > 0)
587                                                 {
588                                                 c_write=1;
589                                                 c_w=1;
590                                                 }
591                                         if (sr_num <= 0)
592                                                 {
593                                                 s_write=1;
594                                                 s_w=1;
595                                                 c_write=0;
596                                                 }
597                                         }
598                                 }
599                         else
600                                 {
601                                 j=(sw_num > (long)sizeof(sbuf))?
602                                         sizeof(sbuf):(int)sw_num;
603                                 i=BIO_write(s_bio,sbuf,j);
604                                 if (i < 0)
605                                         {
606                                         s_r=0;
607                                         s_w=0;
608                                         if (BIO_should_retry(s_bio))
609                                                 {
610                                                 if (BIO_should_read(s_bio))
611                                                         s_r=1;
612                                                 if (BIO_should_write(s_bio))
613                                                         s_w=1;
614                                                 }
615                                         else
616                                                 {
617                                                 fprintf(stderr,"ERROR in SERVER\n");
618                                                 ERR_print_errors(bio_err);
619                                                 goto err;
620                                                 }
621                                         }
622                                 else if (i == 0)
623                                         {
624                                         ERR_print_errors(bio_err);
625                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
626                                         goto err;
627                                         }
628                                 else
629                                         {
630                                         if (debug)
631                                                 printf("server wrote %d\n",i);
632                                         sw_num-=i;
633                                         s_write=0;
634                                         c_r=1;
635                                         if (sw_num <= 0)
636                                                 done|=S_DONE;
637                                         }
638                                 }
639                         }
640
641                 if ((done & S_DONE) && (done & C_DONE)) break;
642                 }
643
644         ciph=SSL_get_current_cipher(c_ssl);
645         if (verbose)
646                 fprintf(stdout,"DONE, protocol %s, cipher %s, %s\n",
647                         SSL_get_version(c_ssl),
648                         SSL_CIPHER_get_version(ciph),
649                         SSL_CIPHER_get_name(ciph));
650         ret=0;
651 err:
652         /* We have to set the BIO's to NULL otherwise they will be
653          * Free()ed twice.  Once when th s_ssl is SSL_free()ed and
654          * again when c_ssl is SSL_free()ed.
655          * This is a hack required because s_ssl and c_ssl are sharing the same
656          * BIO structure and SSL_set_bio() and SSL_free() automatically
657          * BIO_free non NULL entries.
658          * You should not normally do this or be required to do this */
659         if (s_ssl != NULL)
660                 {
661                 s_ssl->rbio=NULL;
662                 s_ssl->wbio=NULL;
663                 }
664         if (c_ssl != NULL)
665                 {
666                 c_ssl->rbio=NULL;
667                 c_ssl->wbio=NULL;
668                 }
669
670         if (c_to_s != NULL) BIO_free(c_to_s);
671         if (s_to_c != NULL) BIO_free(s_to_c);
672         if (c_bio != NULL) BIO_free_all(c_bio);
673         if (s_bio != NULL) BIO_free_all(s_bio);
674         return(ret);
675         }
676
677 int MS_CALLBACK verify_callback(ok, ctx)
678 int ok;
679 X509_STORE_CTX *ctx;
680         {
681         char *s,buf[256];
682
683         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,256);
684         if (s != NULL)
685                 {
686                 if (ok)
687                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
688                 else
689                         fprintf(stderr,"depth=%d error=%d %s\n",
690                                 ctx->error_depth,ctx->error,buf);
691                 }
692
693         if (ok == 0)
694                 {
695                 switch (ctx->error)
696                         {
697                 case X509_V_ERR_CERT_NOT_YET_VALID:
698                 case X509_V_ERR_CERT_HAS_EXPIRED:
699                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
700                         ok=1;
701                         }
702                 }
703
704         return(ok);
705         }
706
707 #ifndef NO_DH
708 static unsigned char dh512_p[]={
709         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
710         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
711         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
712         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
713         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
714         0x47,0x74,0xE8,0x33,
715         };
716 static unsigned char dh512_g[]={
717         0x02,
718         };
719
720 static DH *get_dh512()
721         {
722         DH *dh=NULL;
723
724         if ((dh=DH_new()) == NULL) return(NULL);
725         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
726         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
727         if ((dh->p == NULL) || (dh->g == NULL))
728                 return(NULL);
729         return(dh);
730         }
731 #endif
732
733 static RSA MS_CALLBACK *tmp_rsa_cb(s,export)
734 SSL *s;
735 int export;
736         {
737         static RSA *rsa_tmp=NULL;
738
739         if (rsa_tmp == NULL)
740                 {
741                 BIO_printf(bio_err,"Generating temp (512 bit) RSA key...");
742                 BIO_flush(bio_err);
743 #ifndef NO_RSA
744                 rsa_tmp=RSA_generate_key(512,RSA_F4,NULL,NULL);
745 #endif
746                 BIO_printf(bio_err,"\n");
747                 BIO_flush(bio_err);
748                 }
749         return(rsa_tmp);
750         }
751
752