ed163a22fbe3b2d7e376bf5f6b6bcb981dc6fc7d
[oweals/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  * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer. 
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111
112 #define _XOPEN_SOURCE 600       /* Or gethostname won't be declared properly
113                                    on Linux and GNU platforms. */
114 #define _XOPEN_SOURCE_EXTENDED  1 /* Or gethostname won't be declared properly
115                                    on Compaq platforms (at least with DEC C).
116                                 */
117
118 #include <assert.h>
119 #include <errno.h>
120 #include <limits.h>
121 #include <stdio.h>
122 #include <stdlib.h>
123 #include <string.h>
124 #include <time.h>
125
126 #include "e_os.h"
127
128 #include <openssl/bio.h>
129 #include <openssl/crypto.h>
130 #include <openssl/evp.h>
131 #include <openssl/x509.h>
132 #include <openssl/ssl.h>
133 #include <openssl/engine.h>
134 #include <openssl/err.h>
135 #include <openssl/rand.h>
136 #ifdef OPENSSL_SYS_WINDOWS
137 #include <winsock.h>
138 #include "../crypto/bio/bss_file.c"
139 #else
140 #include OPENSSL_UNISTD
141 #endif
142
143 #ifdef OPENSSL_SYS_VMS
144 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
145 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
146 #elif defined(OPENSSL_SYS_WINCE)
147 #  define TEST_SERVER_CERT "\\OpenSSL\\server.pem"
148 #  define TEST_CLIENT_CERT "\\OpenSSL\\client.pem"
149 #else
150 #  define TEST_SERVER_CERT "../apps/server.pem"
151 #  define TEST_CLIENT_CERT "../apps/client.pem"
152 #endif
153
154 /* There is really no standard for this, so let's assign some tentative
155    numbers.  In any case, these numbers are only for this test */
156 #define COMP_RLE        1
157 #define COMP_ZLIB       2
158
159 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
160 #ifndef OPENSSL_NO_RSA
161 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
162 static void free_tmp_rsa(void);
163 #endif
164 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg);
165 #define APP_CALLBACK "Test Callback Argument"
166 static char *app_verify_arg = APP_CALLBACK;
167
168 #ifndef OPENSSL_NO_DH
169 static DH *get_dh512(void);
170 static DH *get_dh1024(void);
171 static DH *get_dh1024dsa(void);
172 #endif
173
174 static BIO *bio_err=NULL;
175 static BIO *bio_stdout=NULL;
176
177 static char *cipher=NULL;
178 static int verbose=0;
179 static int debug=0;
180 #if 0
181 /* Not used yet. */
182 #ifdef FIONBIO
183 static int s_nbio=0;
184 #endif
185 #endif
186
187 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
188
189 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
190 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
191 static void sv_usage(void)
192         {
193         fprintf(stderr,"usage: ssltest [args ...]\n");
194         fprintf(stderr,"\n");
195         fprintf(stderr," -server_auth  - check server certificate\n");
196         fprintf(stderr," -client_auth  - do client authentication\n");
197         fprintf(stderr," -v            - more output\n");
198         fprintf(stderr," -d            - debug output\n");
199         fprintf(stderr," -reuse        - use session-id reuse\n");
200         fprintf(stderr," -num <val>    - number of connections to perform\n");
201         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
202 #ifndef OPENSSL_NO_DH
203         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
204         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
205         fprintf(stderr," -no_dhe       - disable DHE\n");
206 #endif
207 #ifndef OPENSSL_NO_SSL2
208         fprintf(stderr," -ssl2         - use SSLv2\n");
209 #endif
210 #ifndef OPENSSL_NO_SSL3
211         fprintf(stderr," -ssl3         - use SSLv3\n");
212 #endif
213 #ifndef OPENSSL_NO_TLS1
214         fprintf(stderr," -tls1         - use TLSv1\n");
215 #endif
216         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
217         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
218         fprintf(stderr," -cert arg     - Server certificate file\n");
219         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
220         fprintf(stderr," -c_cert arg   - Client certificate file\n");
221         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
222         fprintf(stderr," -cipher arg   - The cipher list\n");
223         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
224         fprintf(stderr," -f            - Test even cases that can't work\n");
225         fprintf(stderr," -time         - measure processor time used by client and server\n");
226         fprintf(stderr," -zlib         - use zlib compression\n");
227         fprintf(stderr," -time         - use rle compression\n");
228         }
229
230 static void print_details(SSL *c_ssl, const char *prefix)
231         {
232         SSL_CIPHER *ciph;
233         X509 *cert;
234                 
235         ciph=SSL_get_current_cipher(c_ssl);
236         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
237                 prefix,
238                 SSL_get_version(c_ssl),
239                 SSL_CIPHER_get_version(ciph),
240                 SSL_CIPHER_get_name(ciph));
241         cert=SSL_get_peer_certificate(c_ssl);
242         if (cert != NULL)
243                 {
244                 EVP_PKEY *pkey = X509_get_pubkey(cert);
245                 if (pkey != NULL)
246                         {
247                         if (0) 
248                                 ;
249 #ifndef OPENSSL_NO_RSA
250                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
251                                 && pkey->pkey.rsa->n != NULL)
252                                 {
253                                 BIO_printf(bio_stdout, ", %d bit RSA",
254                                         BN_num_bits(pkey->pkey.rsa->n));
255                                 }
256 #endif
257 #ifndef OPENSSL_NO_DSA
258                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
259                                 && pkey->pkey.dsa->p != NULL)
260                                 {
261                                 BIO_printf(bio_stdout, ", %d bit DSA",
262                                         BN_num_bits(pkey->pkey.dsa->p));
263                                 }
264 #endif
265                         EVP_PKEY_free(pkey);
266                         }
267                 X509_free(cert);
268                 }
269         /* The SSL API does not allow us to look at temporary RSA/DH keys,
270          * otherwise we should print their lengths too */
271         BIO_printf(bio_stdout,"\n");
272         }
273
274 static void lock_dbg_cb(int mode, int type, const char *file, int line)
275         {
276         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
277         const char *errstr = NULL;
278         int rw;
279         
280         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
281         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
282                 {
283                 errstr = "invalid mode";
284                 goto err;
285                 }
286
287         if (type < 0 || type > CRYPTO_NUM_LOCKS)
288                 {
289                 errstr = "type out of bounds";
290                 goto err;
291                 }
292
293         if (mode & CRYPTO_LOCK)
294                 {
295                 if (modes[type])
296                         {
297                         errstr = "already locked";
298                         /* must not happen in a single-threaded program
299                          * (would deadlock) */
300                         goto err;
301                         }
302
303                 modes[type] = rw;
304                 }
305         else if (mode & CRYPTO_UNLOCK)
306                 {
307                 if (!modes[type])
308                         {
309                         errstr = "not locked";
310                         goto err;
311                         }
312                 
313                 if (modes[type] != rw)
314                         {
315                         errstr = (rw == CRYPTO_READ) ?
316                                 "CRYPTO_r_unlock on write lock" :
317                                 "CRYPTO_w_unlock on read lock";
318                         }
319
320                 modes[type] = 0;
321                 }
322         else
323                 {
324                 errstr = "invalid mode";
325                 goto err;
326                 }
327
328  err:
329         if (errstr)
330                 {
331                 /* we cannot use bio_err here */
332                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
333                         errstr, mode, type, file, line);
334                 }
335         }
336
337 int main(int argc, char *argv[])
338         {
339         char *CApath=NULL,*CAfile=NULL;
340         int badop=0;
341         int bio_pair=0;
342         int force=0;
343         int tls1=0,ssl2=0,ssl3=0,ret=1;
344         int client_auth=0;
345         int server_auth=0,i;
346         int app_verify=0;
347         char *server_cert=TEST_SERVER_CERT;
348         char *server_key=NULL;
349         char *client_cert=TEST_CLIENT_CERT;
350         char *client_key=NULL;
351         SSL_CTX *s_ctx=NULL;
352         SSL_CTX *c_ctx=NULL;
353         SSL_METHOD *meth=NULL;
354         SSL *c_ssl,*s_ssl;
355         int number=1,reuse=0;
356         long bytes=1L;
357 #ifndef OPENSSL_NO_DH
358         DH *dh;
359         int dhe1024 = 0, dhe1024dsa = 0;
360 #endif
361         int no_dhe = 0;
362         int print_time = 0;
363         clock_t s_time = 0, c_time = 0;
364         int comp = 0;
365         COMP_METHOD *cm = NULL;
366
367         verbose = 0;
368         debug = 0;
369         cipher = 0;
370         
371         CRYPTO_set_locking_callback(lock_dbg_cb);
372
373         /* enable memory leak checking unless explicitly disabled */
374         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
375                 {
376                 CRYPTO_malloc_debug_init();
377                 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
378                 }
379         else
380                 {
381                 /* OPENSSL_DEBUG_MEMORY=off */
382                 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
383                 }
384         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
385
386         RAND_seed(rnd_seed, sizeof rnd_seed);
387
388         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
389         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
390
391         argc--;
392         argv++;
393
394         while (argc >= 1)
395                 {
396                 if      (strcmp(*argv,"-server_auth") == 0)
397                         server_auth=1;
398                 else if (strcmp(*argv,"-client_auth") == 0)
399                         client_auth=1;
400                 else if (strcmp(*argv,"-v") == 0)
401                         verbose=1;
402                 else if (strcmp(*argv,"-d") == 0)
403                         debug=1;
404                 else if (strcmp(*argv,"-reuse") == 0)
405                         reuse=1;
406                 else if (strcmp(*argv,"-dhe1024") == 0)
407                         {
408 #ifndef OPENSSL_NO_DH
409                         dhe1024=1;
410 #else
411                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
412 #endif
413                         }
414                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
415                         {
416 #ifndef OPENSSL_NO_DH
417                         dhe1024dsa=1;
418 #else
419                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
420 #endif
421                         }
422                 else if (strcmp(*argv,"-no_dhe") == 0)
423                         no_dhe=1;
424                 else if (strcmp(*argv,"-ssl2") == 0)
425                         ssl2=1;
426                 else if (strcmp(*argv,"-tls1") == 0)
427                         tls1=1;
428                 else if (strcmp(*argv,"-ssl3") == 0)
429                         ssl3=1;
430                 else if (strncmp(*argv,"-num",4) == 0)
431                         {
432                         if (--argc < 1) goto bad;
433                         number= atoi(*(++argv));
434                         if (number == 0) number=1;
435                         }
436                 else if (strcmp(*argv,"-bytes") == 0)
437                         {
438                         if (--argc < 1) goto bad;
439                         bytes= atol(*(++argv));
440                         if (bytes == 0L) bytes=1L;
441                         i=strlen(argv[0]);
442                         if (argv[0][i-1] == 'k') bytes*=1024L;
443                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
444                         }
445                 else if (strcmp(*argv,"-cert") == 0)
446                         {
447                         if (--argc < 1) goto bad;
448                         server_cert= *(++argv);
449                         }
450                 else if (strcmp(*argv,"-s_cert") == 0)
451                         {
452                         if (--argc < 1) goto bad;
453                         server_cert= *(++argv);
454                         }
455                 else if (strcmp(*argv,"-key") == 0)
456                         {
457                         if (--argc < 1) goto bad;
458                         server_key= *(++argv);
459                         }
460                 else if (strcmp(*argv,"-s_key") == 0)
461                         {
462                         if (--argc < 1) goto bad;
463                         server_key= *(++argv);
464                         }
465                 else if (strcmp(*argv,"-c_cert") == 0)
466                         {
467                         if (--argc < 1) goto bad;
468                         client_cert= *(++argv);
469                         }
470                 else if (strcmp(*argv,"-c_key") == 0)
471                         {
472                         if (--argc < 1) goto bad;
473                         client_key= *(++argv);
474                         }
475                 else if (strcmp(*argv,"-cipher") == 0)
476                         {
477                         if (--argc < 1) goto bad;
478                         cipher= *(++argv);
479                         }
480                 else if (strcmp(*argv,"-CApath") == 0)
481                         {
482                         if (--argc < 1) goto bad;
483                         CApath= *(++argv);
484                         }
485                 else if (strcmp(*argv,"-CAfile") == 0)
486                         {
487                         if (--argc < 1) goto bad;
488                         CAfile= *(++argv);
489                         }
490                 else if (strcmp(*argv,"-bio_pair") == 0)
491                         {
492                         bio_pair = 1;
493                         }
494                 else if (strcmp(*argv,"-f") == 0)
495                         {
496                         force = 1;
497                         }
498                 else if (strcmp(*argv,"-time") == 0)
499                         {
500                         print_time = 1;
501                         }
502                 else if (strcmp(*argv,"-zlib") == 0)
503                         {
504                         comp = COMP_ZLIB;
505                         }
506                 else if (strcmp(*argv,"-rle") == 0)
507                         {
508                         comp = COMP_RLE;
509                         }
510                 else if (strcmp(*argv,"-app_verify") == 0)
511                         {
512                         app_verify = 1;
513                         }
514                 else
515                         {
516                         fprintf(stderr,"unknown option %s\n",*argv);
517                         badop=1;
518                         break;
519                         }
520                 argc--;
521                 argv++;
522                 }
523         if (badop)
524                 {
525 bad:
526                 sv_usage();
527                 goto end;
528                 }
529
530         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
531                 {
532                 fprintf(stderr, "This case cannot work.  Use -f to perform "
533                         "the test anyway (and\n-d to see what happens), "
534                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
535                         "to avoid protocol mismatch.\n");
536                 exit(1);
537                 }
538
539         if (print_time)
540                 {
541                 if (!bio_pair)
542                         {
543                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
544                         bio_pair = 1;
545                         }
546                 if (number < 50 && !force)
547                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
548                 }
549
550 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
551
552         SSL_library_init();
553         SSL_load_error_strings();
554
555         if (comp == COMP_ZLIB) cm = COMP_zlib();
556         if (comp == COMP_RLE) cm = COMP_rle();
557         if (cm != NULL)
558                 {
559                 if (cm->type != NID_undef)
560                         SSL_COMP_add_compression_method(comp, cm);
561                 else
562                         {
563                         fprintf(stderr,
564                                 "Warning: %s compression not supported\n",
565                                 (comp == COMP_RLE ? "rle" :
566                                         (comp == COMP_ZLIB ? "zlib" :
567                                                 "unknown")));
568                         ERR_print_errors_fp(stderr);
569                         }
570                 }
571
572 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
573         if (ssl2)
574                 meth=SSLv2_method();
575         else 
576         if (tls1)
577                 meth=TLSv1_method();
578         else
579         if (ssl3)
580                 meth=SSLv3_method();
581         else
582                 meth=SSLv23_method();
583 #else
584 #ifdef OPENSSL_NO_SSL2
585         meth=SSLv3_method();
586 #else
587         meth=SSLv2_method();
588 #endif
589 #endif
590
591         c_ctx=SSL_CTX_new(meth);
592         s_ctx=SSL_CTX_new(meth);
593         if ((c_ctx == NULL) || (s_ctx == NULL))
594                 {
595                 ERR_print_errors(bio_err);
596                 goto end;
597                 }
598
599         if (cipher != NULL)
600                 {
601                 SSL_CTX_set_cipher_list(c_ctx,cipher);
602                 SSL_CTX_set_cipher_list(s_ctx,cipher);
603                 }
604
605 #ifndef OPENSSL_NO_DH
606         if (!no_dhe)
607                 {
608                 if (dhe1024dsa)
609                         {
610                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
611                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
612                         dh=get_dh1024dsa();
613                         }
614                 else if (dhe1024)
615                         dh=get_dh1024();
616                 else
617                         dh=get_dh512();
618                 SSL_CTX_set_tmp_dh(s_ctx,dh);
619                 DH_free(dh);
620                 }
621 #else
622         (void)no_dhe;
623 #endif
624
625 #ifndef OPENSSL_NO_RSA
626         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
627 #endif
628
629         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
630                 {
631                 ERR_print_errors(bio_err);
632                 }
633         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
634                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
635                 {
636                 ERR_print_errors(bio_err);
637                 goto end;
638                 }
639
640         if (client_auth)
641                 {
642                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
643                         SSL_FILETYPE_PEM);
644                 SSL_CTX_use_PrivateKey_file(c_ctx,
645                         (client_key?client_key:client_cert),
646                         SSL_FILETYPE_PEM);
647                 }
648
649         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
650                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
651                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
652                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
653                 {
654                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
655                 ERR_print_errors(bio_err);
656                 /* goto end; */
657                 }
658
659         if (client_auth)
660                 {
661                 BIO_printf(bio_err,"client authentication\n");
662                 SSL_CTX_set_verify(s_ctx,
663                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
664                         verify_callback);
665                 if (app_verify) 
666                         {
667                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
668                         }
669                 }
670         if (server_auth)
671                 {
672                 BIO_printf(bio_err,"server authentication\n");
673                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
674                         verify_callback);
675                 if (app_verify) 
676                         {
677                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
678                         }
679                 }
680         
681         {
682                 int session_id_context = 0;
683                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
684         }
685
686         c_ssl=SSL_new(c_ctx);
687         s_ssl=SSL_new(s_ctx);
688
689 #ifndef OPENSSL_NO_KRB5
690         if (c_ssl  &&  c_ssl->kssl_ctx)
691                 {
692                 char    localhost[MAXHOSTNAMELEN+2];
693
694                 if (gethostname(localhost, sizeof localhost-1) == 0)
695                         {
696                         localhost[sizeof localhost-1]='\0';
697                         if(strlen(localhost) == sizeof localhost-1)
698                                 {
699                                 BIO_printf(bio_err,"localhost name too long\n");
700                                 got end;
701                                 }
702                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
703                                 localhost);
704                         }
705                 }
706 #endif    /* OPENSSL_NO_KRB5  */
707
708         for (i=0; i<number; i++)
709                 {
710                 if (!reuse) SSL_set_session(c_ssl,NULL);
711                 if (bio_pair)
712                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
713                 else
714                         ret=doit(s_ssl,c_ssl,bytes);
715                 }
716
717         if (!verbose)
718                 {
719                 print_details(c_ssl, "");
720                 }
721         if ((number > 1) || (bytes > 1L))
722                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
723         if (print_time)
724                 {
725 #ifdef CLOCKS_PER_SEC
726                 /* "To determine the time in seconds, the value returned
727                  * by the clock function should be divided by the value
728                  * of the macro CLOCKS_PER_SEC."
729                  *                                       -- ISO/IEC 9899 */
730                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
731                         "Approximate total client time: %6.2f s\n",
732                         (double)s_time/CLOCKS_PER_SEC,
733                         (double)c_time/CLOCKS_PER_SEC);
734 #else
735                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
736                  *                            -- cc on NeXTstep/OpenStep */
737                 BIO_printf(bio_stdout,
738                         "Approximate total server time: %6.2f units\n"
739                         "Approximate total client time: %6.2f units\n",
740                         (double)s_time,
741                         (double)c_time);
742 #endif
743                 }
744
745         SSL_free(s_ssl);
746         SSL_free(c_ssl);
747
748 end:
749         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
750         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
751
752         if (bio_stdout != NULL) BIO_free(bio_stdout);
753
754 #ifndef OPENSSL_NO_RSA
755         free_tmp_rsa();
756 #endif
757         ENGINE_cleanup();
758         CRYPTO_cleanup_all_ex_data();
759         ERR_free_strings();
760         ERR_remove_state(0);
761         EVP_cleanup();
762         CRYPTO_mem_leaks(bio_err);
763         if (bio_err != NULL) BIO_free(bio_err);
764         EXIT(ret);
765         }
766
767 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
768         clock_t *s_time, clock_t *c_time)
769         {
770         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
771         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
772         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
773         int ret = 1;
774         
775         size_t bufsiz = 256; /* small buffer for testing */
776
777         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
778                 goto err;
779         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
780                 goto err;
781         
782         s_ssl_bio = BIO_new(BIO_f_ssl());
783         if (!s_ssl_bio)
784                 goto err;
785
786         c_ssl_bio = BIO_new(BIO_f_ssl());
787         if (!c_ssl_bio)
788                 goto err;
789
790         SSL_set_connect_state(c_ssl);
791         SSL_set_bio(c_ssl, client, client);
792         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
793
794         SSL_set_accept_state(s_ssl);
795         SSL_set_bio(s_ssl, server, server);
796         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
797
798         do
799                 {
800                 /* c_ssl_bio:          SSL filter BIO
801                  *
802                  * client:             pseudo-I/O for SSL library
803                  *
804                  * client_io:          client's SSL communication; usually to be
805                  *                     relayed over some I/O facility, but in this
806                  *                     test program, we're the server, too:
807                  *
808                  * server_io:          server's SSL communication
809                  *
810                  * server:             pseudo-I/O for SSL library
811                  *
812                  * s_ssl_bio:          SSL filter BIO
813                  *
814                  * The client and the server each employ a "BIO pair":
815                  * client + client_io, server + server_io.
816                  * BIO pairs are symmetric.  A BIO pair behaves similar
817                  * to a non-blocking socketpair (but both endpoints must
818                  * be handled by the same thread).
819                  * [Here we could connect client and server to the ends
820                  * of a single BIO pair, but then this code would be less
821                  * suitable as an example for BIO pairs in general.]
822                  *
823                  * Useful functions for querying the state of BIO pair endpoints:
824                  *
825                  * BIO_ctrl_pending(bio)              number of bytes we can read now
826                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
827                  *                                      other side's read attempt
828                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
829                  *
830                  * ..._read_request is never more than ..._write_guarantee;
831                  * it depends on the application which one you should use.
832                  */
833
834                 /* We have non-blocking behaviour throughout this test program, but
835                  * can be sure that there is *some* progress in each iteration; so
836                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
837                  * -- we just try everything in each iteration
838                  */
839
840                         {
841                         /* CLIENT */
842                 
843                         MS_STATIC char cbuf[1024*8];
844                         int i, r;
845                         clock_t c_clock = clock();
846
847                         memset(cbuf, 0, sizeof(cbuf));
848
849                         if (debug)
850                                 if (SSL_in_init(c_ssl))
851                                         printf("client waiting in SSL_connect - %s\n",
852                                                 SSL_state_string_long(c_ssl));
853
854                         if (cw_num > 0)
855                                 {
856                                 /* Write to server. */
857                                 
858                                 if (cw_num > (long)sizeof cbuf)
859                                         i = sizeof cbuf;
860                                 else
861                                         i = (int)cw_num;
862                                 r = BIO_write(c_ssl_bio, cbuf, i);
863                                 if (r < 0)
864                                         {
865                                         if (!BIO_should_retry(c_ssl_bio))
866                                                 {
867                                                 fprintf(stderr,"ERROR in CLIENT\n");
868                                                 goto err;
869                                                 }
870                                         /* BIO_should_retry(...) can just be ignored here.
871                                          * The library expects us to call BIO_write with
872                                          * the same arguments again, and that's what we will
873                                          * do in the next iteration. */
874                                         }
875                                 else if (r == 0)
876                                         {
877                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
878                                         goto err;
879                                         }
880                                 else
881                                         {
882                                         if (debug)
883                                                 printf("client wrote %d\n", r);
884                                         cw_num -= r;                            
885                                         }
886                                 }
887
888                         if (cr_num > 0)
889                                 {
890                                 /* Read from server. */
891
892                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
893                                 if (r < 0)
894                                         {
895                                         if (!BIO_should_retry(c_ssl_bio))
896                                                 {
897                                                 fprintf(stderr,"ERROR in CLIENT\n");
898                                                 goto err;
899                                                 }
900                                         /* Again, "BIO_should_retry" can be ignored. */
901                                         }
902                                 else if (r == 0)
903                                         {
904                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
905                                         goto err;
906                                         }
907                                 else
908                                         {
909                                         if (debug)
910                                                 printf("client read %d\n", r);
911                                         cr_num -= r;
912                                         }
913                                 }
914
915                         /* c_time and s_time increments will typically be very small
916                          * (depending on machine speed and clock tick intervals),
917                          * but sampling over a large number of connections should
918                          * result in fairly accurate figures.  We cannot guarantee
919                          * a lot, however -- if each connection lasts for exactly
920                          * one clock tick, it will be counted only for the client
921                          * or only for the server or even not at all.
922                          */
923                         *c_time += (clock() - c_clock);
924                         }
925
926                         {
927                         /* SERVER */
928                 
929                         MS_STATIC char sbuf[1024*8];
930                         int i, r;
931                         clock_t s_clock = clock();
932
933                         memset(sbuf, 0, sizeof(sbuf));
934
935                         if (debug)
936                                 if (SSL_in_init(s_ssl))
937                                         printf("server waiting in SSL_accept - %s\n",
938                                                 SSL_state_string_long(s_ssl));
939
940                         if (sw_num > 0)
941                                 {
942                                 /* Write to client. */
943                                 
944                                 if (sw_num > (long)sizeof sbuf)
945                                         i = sizeof sbuf;
946                                 else
947                                         i = (int)sw_num;
948                                 r = BIO_write(s_ssl_bio, sbuf, i);
949                                 if (r < 0)
950                                         {
951                                         if (!BIO_should_retry(s_ssl_bio))
952                                                 {
953                                                 fprintf(stderr,"ERROR in SERVER\n");
954                                                 goto err;
955                                                 }
956                                         /* Ignore "BIO_should_retry". */
957                                         }
958                                 else if (r == 0)
959                                         {
960                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
961                                         goto err;
962                                         }
963                                 else
964                                         {
965                                         if (debug)
966                                                 printf("server wrote %d\n", r);
967                                         sw_num -= r;                            
968                                         }
969                                 }
970
971                         if (sr_num > 0)
972                                 {
973                                 /* Read from client. */
974
975                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
976                                 if (r < 0)
977                                         {
978                                         if (!BIO_should_retry(s_ssl_bio))
979                                                 {
980                                                 fprintf(stderr,"ERROR in SERVER\n");
981                                                 goto err;
982                                                 }
983                                         /* blah, blah */
984                                         }
985                                 else if (r == 0)
986                                         {
987                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
988                                         goto err;
989                                         }
990                                 else
991                                         {
992                                         if (debug)
993                                                 printf("server read %d\n", r);
994                                         sr_num -= r;
995                                         }
996                                 }
997
998                         *s_time += (clock() - s_clock);
999                         }
1000                         
1001                         {
1002                         /* "I/O" BETWEEN CLIENT AND SERVER. */
1003
1004                         size_t r1, r2;
1005                         BIO *io1 = server_io, *io2 = client_io;
1006                         /* we use the non-copying interface for io1
1007                          * and the standard BIO_write/BIO_read interface for io2
1008                          */
1009                         
1010                         static int prev_progress = 1;
1011                         int progress = 0;
1012                         
1013                         /* io1 to io2 */
1014                         do
1015                                 {
1016                                 size_t num;
1017                                 int r;
1018
1019                                 r1 = BIO_ctrl_pending(io1);
1020                                 r2 = BIO_ctrl_get_write_guarantee(io2);
1021
1022                                 num = r1;
1023                                 if (r2 < num)
1024                                         num = r2;
1025                                 if (num)
1026                                         {
1027                                         char *dataptr;
1028
1029                                         if (INT_MAX < num) /* yeah, right */
1030                                                 num = INT_MAX;
1031                                         
1032                                         r = BIO_nread(io1, &dataptr, (int)num);
1033                                         assert(r > 0);
1034                                         assert(r <= (int)num);
1035                                         /* possibly r < num (non-contiguous data) */
1036                                         num = r;
1037                                         r = BIO_write(io2, dataptr, (int)num);
1038                                         if (r != (int)num) /* can't happen */
1039                                                 {
1040                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1041                                                         "BIO_ctrl_get_write_guarantee() bytes");
1042                                                 goto err;
1043                                                 }
1044                                         progress = 1;
1045
1046                                         if (debug)
1047                                                 printf((io1 == client_io) ?
1048                                                         "C->S relaying: %d bytes\n" :
1049                                                         "S->C relaying: %d bytes\n",
1050                                                         (int)num);
1051                                         }
1052                                 }
1053                         while (r1 && r2);
1054
1055                         /* io2 to io1 */
1056                         {
1057                                 size_t num;
1058                                 int r;
1059
1060                                 r1 = BIO_ctrl_pending(io2);
1061                                 r2 = BIO_ctrl_get_read_request(io1);
1062                                 /* here we could use ..._get_write_guarantee instead of
1063                                  * ..._get_read_request, but by using the latter
1064                                  * we test restartability of the SSL implementation
1065                                  * more thoroughly */
1066                                 num = r1;
1067                                 if (r2 < num)
1068                                         num = r2;
1069                                 if (num)
1070                                         {
1071                                         char *dataptr;
1072                                         
1073                                         if (INT_MAX < num)
1074                                                 num = INT_MAX;
1075
1076                                         if (num > 1)
1077                                                 --num; /* test restartability even more thoroughly */
1078                                         
1079                                         r = BIO_nwrite0(io1, &dataptr);
1080                                         assert(r > 0);
1081                                         if (r < (int)num)
1082                                                 num = r;
1083                                         r = BIO_read(io2, dataptr, (int)num);
1084                                         if (r != (int)num) /* can't happen */
1085                                                 {
1086                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1087                                                         "BIO_ctrl_pending() bytes");
1088                                                 goto err;
1089                                                 }
1090                                         progress = 1;
1091                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1092                                         if (r != (int)num) /* can't happen */
1093                                                 {
1094                                                 fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
1095                                                         "BIO_nwrite0() bytes");
1096                                                 goto err;
1097                                                 }
1098                                         
1099                                         if (debug)
1100                                                 printf((io2 == client_io) ?
1101                                                         "C->S relaying: %d bytes\n" :
1102                                                         "S->C relaying: %d bytes\n",
1103                                                         (int)num);
1104                                         }
1105                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1106
1107                         if (!progress && !prev_progress)
1108                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1109                                         {
1110                                         fprintf(stderr, "ERROR: got stuck\n");
1111                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1112                                                 {
1113                                                 fprintf(stderr, "This can happen for SSL2 because "
1114                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1115                                                         "concurrently ...");
1116                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1117                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1118                                                         {
1119                                                         fprintf(stderr, " ok.\n");
1120                                                         goto end;
1121                                                         }
1122                                                 }
1123                                         fprintf(stderr, " ERROR.\n");
1124                                         goto err;
1125                                         }
1126                         prev_progress = progress;
1127                         }
1128                 }
1129         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1130
1131         if (verbose)
1132                 print_details(c_ssl, "DONE via BIO pair: ");
1133 end:
1134         ret = 0;
1135
1136  err:
1137         ERR_print_errors(bio_err);
1138         
1139         if (server)
1140                 BIO_free(server);
1141         if (server_io)
1142                 BIO_free(server_io);
1143         if (client)
1144                 BIO_free(client);
1145         if (client_io)
1146                 BIO_free(client_io);
1147         if (s_ssl_bio)
1148                 BIO_free(s_ssl_bio);
1149         if (c_ssl_bio)
1150                 BIO_free(c_ssl_bio);
1151
1152         return ret;
1153         }
1154
1155
1156 #define W_READ  1
1157 #define W_WRITE 2
1158 #define C_DONE  1
1159 #define S_DONE  2
1160
1161 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1162         {
1163         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1164         long cw_num=count,cr_num=count;
1165         long sw_num=count,sr_num=count;
1166         int ret=1;
1167         BIO *c_to_s=NULL;
1168         BIO *s_to_c=NULL;
1169         BIO *c_bio=NULL;
1170         BIO *s_bio=NULL;
1171         int c_r,c_w,s_r,s_w;
1172         int c_want,s_want;
1173         int i,j;
1174         int done=0;
1175         int c_write,s_write;
1176         int do_server=0,do_client=0;
1177
1178         memset(cbuf,0,sizeof(cbuf));
1179         memset(sbuf,0,sizeof(sbuf));
1180
1181         c_to_s=BIO_new(BIO_s_mem());
1182         s_to_c=BIO_new(BIO_s_mem());
1183         if ((s_to_c == NULL) || (c_to_s == NULL))
1184                 {
1185                 ERR_print_errors(bio_err);
1186                 goto err;
1187                 }
1188
1189         c_bio=BIO_new(BIO_f_ssl());
1190         s_bio=BIO_new(BIO_f_ssl());
1191         if ((c_bio == NULL) || (s_bio == NULL))
1192                 {
1193                 ERR_print_errors(bio_err);
1194                 goto err;
1195                 }
1196
1197         SSL_set_connect_state(c_ssl);
1198         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1199         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1200
1201         SSL_set_accept_state(s_ssl);
1202         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1203         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1204
1205         c_r=0; s_r=1;
1206         c_w=1; s_w=0;
1207         c_want=W_WRITE;
1208         s_want=0;
1209         c_write=1,s_write=0;
1210
1211         /* We can always do writes */
1212         for (;;)
1213                 {
1214                 do_server=0;
1215                 do_client=0;
1216
1217                 i=(int)BIO_pending(s_bio);
1218                 if ((i && s_r) || s_w) do_server=1;
1219
1220                 i=(int)BIO_pending(c_bio);
1221                 if ((i && c_r) || c_w) do_client=1;
1222
1223                 if (do_server && debug)
1224                         {
1225                         if (SSL_in_init(s_ssl))
1226                                 printf("server waiting in SSL_accept - %s\n",
1227                                         SSL_state_string_long(s_ssl));
1228 /*                      else if (s_write)
1229                                 printf("server:SSL_write()\n");
1230                         else
1231                                 printf("server:SSL_read()\n"); */
1232                         }
1233
1234                 if (do_client && debug)
1235                         {
1236                         if (SSL_in_init(c_ssl))
1237                                 printf("client waiting in SSL_connect - %s\n",
1238                                         SSL_state_string_long(c_ssl));
1239 /*                      else if (c_write)
1240                                 printf("client:SSL_write()\n");
1241                         else
1242                                 printf("client:SSL_read()\n"); */
1243                         }
1244
1245                 if (!do_client && !do_server)
1246                         {
1247                         fprintf(stdout,"ERROR IN STARTUP\n");
1248                         ERR_print_errors(bio_err);
1249                         break;
1250                         }
1251                 if (do_client && !(done & C_DONE))
1252                         {
1253                         if (c_write)
1254                                 {
1255                                 j=(cw_num > (long)sizeof(cbuf))
1256                                         ?sizeof(cbuf):(int)cw_num;
1257                                 i=BIO_write(c_bio,cbuf,j);
1258                                 if (i < 0)
1259                                         {
1260                                         c_r=0;
1261                                         c_w=0;
1262                                         if (BIO_should_retry(c_bio))
1263                                                 {
1264                                                 if (BIO_should_read(c_bio))
1265                                                         c_r=1;
1266                                                 if (BIO_should_write(c_bio))
1267                                                         c_w=1;
1268                                                 }
1269                                         else
1270                                                 {
1271                                                 fprintf(stderr,"ERROR in CLIENT\n");
1272                                                 ERR_print_errors(bio_err);
1273                                                 goto err;
1274                                                 }
1275                                         }
1276                                 else if (i == 0)
1277                                         {
1278                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1279                                         goto err;
1280                                         }
1281                                 else
1282                                         {
1283                                         if (debug)
1284                                                 printf("client wrote %d\n",i);
1285                                         /* ok */
1286                                         s_r=1;
1287                                         c_write=0;
1288                                         cw_num-=i;
1289                                         }
1290                                 }
1291                         else
1292                                 {
1293                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1294                                 if (i < 0)
1295                                         {
1296                                         c_r=0;
1297                                         c_w=0;
1298                                         if (BIO_should_retry(c_bio))
1299                                                 {
1300                                                 if (BIO_should_read(c_bio))
1301                                                         c_r=1;
1302                                                 if (BIO_should_write(c_bio))
1303                                                         c_w=1;
1304                                                 }
1305                                         else
1306                                                 {
1307                                                 fprintf(stderr,"ERROR in CLIENT\n");
1308                                                 ERR_print_errors(bio_err);
1309                                                 goto err;
1310                                                 }
1311                                         }
1312                                 else if (i == 0)
1313                                         {
1314                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1315                                         goto err;
1316                                         }
1317                                 else
1318                                         {
1319                                         if (debug)
1320                                                 printf("client read %d\n",i);
1321                                         cr_num-=i;
1322                                         if (sw_num > 0)
1323                                                 {
1324                                                 s_write=1;
1325                                                 s_w=1;
1326                                                 }
1327                                         if (cr_num <= 0)
1328                                                 {
1329                                                 s_write=1;
1330                                                 s_w=1;
1331                                                 done=S_DONE|C_DONE;
1332                                                 }
1333                                         }
1334                                 }
1335                         }
1336
1337                 if (do_server && !(done & S_DONE))
1338                         {
1339                         if (!s_write)
1340                                 {
1341                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1342                                 if (i < 0)
1343                                         {
1344                                         s_r=0;
1345                                         s_w=0;
1346                                         if (BIO_should_retry(s_bio))
1347                                                 {
1348                                                 if (BIO_should_read(s_bio))
1349                                                         s_r=1;
1350                                                 if (BIO_should_write(s_bio))
1351                                                         s_w=1;
1352                                                 }
1353                                         else
1354                                                 {
1355                                                 fprintf(stderr,"ERROR in SERVER\n");
1356                                                 ERR_print_errors(bio_err);
1357                                                 goto err;
1358                                                 }
1359                                         }
1360                                 else if (i == 0)
1361                                         {
1362                                         ERR_print_errors(bio_err);
1363                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1364                                         goto err;
1365                                         }
1366                                 else
1367                                         {
1368                                         if (debug)
1369                                                 printf("server read %d\n",i);
1370                                         sr_num-=i;
1371                                         if (cw_num > 0)
1372                                                 {
1373                                                 c_write=1;
1374                                                 c_w=1;
1375                                                 }
1376                                         if (sr_num <= 0)
1377                                                 {
1378                                                 s_write=1;
1379                                                 s_w=1;
1380                                                 c_write=0;
1381                                                 }
1382                                         }
1383                                 }
1384                         else
1385                                 {
1386                                 j=(sw_num > (long)sizeof(sbuf))?
1387                                         sizeof(sbuf):(int)sw_num;
1388                                 i=BIO_write(s_bio,sbuf,j);
1389                                 if (i < 0)
1390                                         {
1391                                         s_r=0;
1392                                         s_w=0;
1393                                         if (BIO_should_retry(s_bio))
1394                                                 {
1395                                                 if (BIO_should_read(s_bio))
1396                                                         s_r=1;
1397                                                 if (BIO_should_write(s_bio))
1398                                                         s_w=1;
1399                                                 }
1400                                         else
1401                                                 {
1402                                                 fprintf(stderr,"ERROR in SERVER\n");
1403                                                 ERR_print_errors(bio_err);
1404                                                 goto err;
1405                                                 }
1406                                         }
1407                                 else if (i == 0)
1408                                         {
1409                                         ERR_print_errors(bio_err);
1410                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1411                                         goto err;
1412                                         }
1413                                 else
1414                                         {
1415                                         if (debug)
1416                                                 printf("server wrote %d\n",i);
1417                                         sw_num-=i;
1418                                         s_write=0;
1419                                         c_r=1;
1420                                         if (sw_num <= 0)
1421                                                 done|=S_DONE;
1422                                         }
1423                                 }
1424                         }
1425
1426                 if ((done & S_DONE) && (done & C_DONE)) break;
1427                 }
1428
1429         if (verbose)
1430                 print_details(c_ssl, "DONE: ");
1431         ret=0;
1432 err:
1433         /* We have to set the BIO's to NULL otherwise they will be
1434          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1435          * again when c_ssl is SSL_free()ed.
1436          * This is a hack required because s_ssl and c_ssl are sharing the same
1437          * BIO structure and SSL_set_bio() and SSL_free() automatically
1438          * BIO_free non NULL entries.
1439          * You should not normally do this or be required to do this */
1440         if (s_ssl != NULL)
1441                 {
1442                 s_ssl->rbio=NULL;
1443                 s_ssl->wbio=NULL;
1444                 }
1445         if (c_ssl != NULL)
1446                 {
1447                 c_ssl->rbio=NULL;
1448                 c_ssl->wbio=NULL;
1449                 }
1450
1451         if (c_to_s != NULL) BIO_free(c_to_s);
1452         if (s_to_c != NULL) BIO_free(s_to_c);
1453         if (c_bio != NULL) BIO_free_all(c_bio);
1454         if (s_bio != NULL) BIO_free_all(s_bio);
1455         return(ret);
1456         }
1457
1458 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1459         {
1460         char *s,buf[256];
1461
1462         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,
1463                             sizeof buf);
1464         if (s != NULL)
1465                 {
1466                 if (ok)
1467                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1468                 else
1469                         fprintf(stderr,"depth=%d error=%d %s\n",
1470                                 ctx->error_depth,ctx->error,buf);
1471                 }
1472
1473         if (ok == 0)
1474                 {
1475                 switch (ctx->error)
1476                         {
1477                 case X509_V_ERR_CERT_NOT_YET_VALID:
1478                 case X509_V_ERR_CERT_HAS_EXPIRED:
1479                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1480                         ok=1;
1481                         }
1482                 }
1483
1484         return(ok);
1485         }
1486
1487 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
1488         {
1489         char *s = NULL,buf[256];
1490         int ok=1;
1491
1492         fprintf(stderr, "In app_verify_callback, allowing cert. ");
1493         fprintf(stderr, "Arg is: %s\n", (char *)arg);
1494         fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
1495                         (unsigned int)ctx, (unsigned int)ctx->cert);
1496         if (ctx->cert)
1497                 s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
1498         if (s != NULL)
1499                 {
1500                         fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
1501                 }
1502
1503         return(ok);
1504         }
1505
1506 #ifndef OPENSSL_NO_RSA
1507 static RSA *rsa_tmp=NULL;
1508
1509 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1510         {
1511         if (rsa_tmp == NULL)
1512                 {
1513                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1514                 (void)BIO_flush(bio_err);
1515                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1516                 BIO_printf(bio_err,"\n");
1517                 (void)BIO_flush(bio_err);
1518                 }
1519         return(rsa_tmp);
1520         }
1521
1522 static void free_tmp_rsa(void)
1523         {
1524         if (rsa_tmp != NULL)
1525                 {
1526                 RSA_free(rsa_tmp);
1527                 rsa_tmp = NULL;
1528                 }
1529         }
1530 #endif
1531
1532 #ifndef OPENSSL_NO_DH
1533 /* These DH parameters have been generated as follows:
1534  *    $ openssl dhparam -C -noout 512
1535  *    $ openssl dhparam -C -noout 1024
1536  *    $ openssl dhparam -C -noout -dsaparam 1024
1537  * (The third function has been renamed to avoid name conflicts.)
1538  */
1539 static DH *get_dh512()
1540         {
1541         static unsigned char dh512_p[]={
1542                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1543                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1544                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1545                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1546                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1547                 0x02,0xC5,0xAE,0x23,
1548                 };
1549         static unsigned char dh512_g[]={
1550                 0x02,
1551                 };
1552         DH *dh;
1553
1554         if ((dh=DH_new()) == NULL) return(NULL);
1555         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1556         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1557         if ((dh->p == NULL) || (dh->g == NULL))
1558                 { DH_free(dh); return(NULL); }
1559         return(dh);
1560         }
1561
1562 static DH *get_dh1024()
1563         {
1564         static unsigned char dh1024_p[]={
1565                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1566                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1567                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1568                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1569                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1570                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1571                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1572                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1573                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1574                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1575                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1576                 };
1577         static unsigned char dh1024_g[]={
1578                 0x02,
1579                 };
1580         DH *dh;
1581
1582         if ((dh=DH_new()) == NULL) return(NULL);
1583         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1584         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1585         if ((dh->p == NULL) || (dh->g == NULL))
1586                 { DH_free(dh); return(NULL); }
1587         return(dh);
1588         }
1589
1590 static DH *get_dh1024dsa()
1591         {
1592         static unsigned char dh1024_p[]={
1593                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1594                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1595                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1596                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1597                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1598                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1599                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1600                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1601                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1602                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1603                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1604                 };
1605         static unsigned char dh1024_g[]={
1606                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1607                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1608                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1609                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1610                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1611                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1612                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1613                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1614                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1615                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1616                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1617                 };
1618         DH *dh;
1619
1620         if ((dh=DH_new()) == NULL) return(NULL);
1621         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1622         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1623         if ((dh->p == NULL) || (dh->g == NULL))
1624                 { DH_free(dh); return(NULL); }
1625         dh->length = 160;
1626         return(dh);
1627         }
1628 #endif