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