Updates
[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  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113  * ECC cipher suite support in OpenSSL originally developed by 
114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115  */
116
117 #define _BSD_SOURCE 1           /* Or gethostname won't be declared properly
118                                    on Linux and GNU platforms. */
119
120 #include <assert.h>
121 #include <errno.h>
122 #include <limits.h>
123 #include <stdio.h>
124 #include <stdlib.h>
125 #include <string.h>
126 #include <time.h>
127
128 #define USE_SOCKETS
129 #include "e_os.h"
130
131 #include <openssl/bio.h>
132 #include <openssl/crypto.h>
133 #include <openssl/evp.h>
134 #include <openssl/x509.h>
135 #include <openssl/ssl.h>
136 #include <openssl/engine.h>
137 #include <openssl/err.h>
138 #include <openssl/rand.h>
139
140 #define _XOPEN_SOURCE_EXTENDED  1 /* Or gethostname won't be declared properly
141                                      on Compaq platforms (at least with DEC C).
142                                      Do not try to put it earlier, or IPv6 includes
143                                      get screwed...
144                                   */
145
146 #ifdef OPENSSL_SYS_WINDOWS
147 #include <winsock.h>
148 #include "../crypto/bio/bss_file.c"
149 #else
150 #include OPENSSL_UNISTD
151 #endif
152
153 #ifdef OPENSSL_SYS_VMS
154 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
155 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
156 #elif defined(OPENSSL_SYS_WINCE)
157 #  define TEST_SERVER_CERT "\\OpenSSL\\server.pem"
158 #  define TEST_CLIENT_CERT "\\OpenSSL\\client.pem"
159 #else
160 #  define TEST_SERVER_CERT "../apps/server.pem"
161 #  define TEST_CLIENT_CERT "../apps/client.pem"
162 #endif
163
164 /* There is really no standard for this, so let's assign some tentative
165    numbers.  In any case, these numbers are only for this test */
166 #define COMP_RLE        1
167 #define COMP_ZLIB       2
168
169 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
170 #ifndef OPENSSL_NO_RSA
171 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
172 static void free_tmp_rsa(void);
173 #endif
174 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg);
175 #define APP_CALLBACK "Test Callback Argument"
176 static char *app_verify_arg = APP_CALLBACK;
177
178 #ifndef OPENSSL_NO_DH
179 static DH *get_dh512(void);
180 static DH *get_dh1024(void);
181 static DH *get_dh1024dsa(void);
182 #endif
183
184 static BIO *bio_err=NULL;
185 static BIO *bio_stdout=NULL;
186
187 static char *cipher=NULL;
188 static int verbose=0;
189 static int debug=0;
190 #if 0
191 /* Not used yet. */
192 #ifdef FIONBIO
193 static int s_nbio=0;
194 #endif
195 #endif
196
197 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
198
199 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
200 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
201 static void sv_usage(void)
202         {
203         fprintf(stderr,"usage: ssltest [args ...]\n");
204         fprintf(stderr,"\n");
205         fprintf(stderr," -server_auth  - check server certificate\n");
206         fprintf(stderr," -client_auth  - do client authentication\n");
207         fprintf(stderr," -v            - more output\n");
208         fprintf(stderr," -d            - debug output\n");
209         fprintf(stderr," -reuse        - use session-id reuse\n");
210         fprintf(stderr," -num <val>    - number of connections to perform\n");
211         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
212 #ifndef OPENSSL_NO_DH
213         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
214         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
215         fprintf(stderr," -no_dhe       - disable DHE\n");
216 #endif
217 #ifndef OPENSSL_NO_ECDH
218         fprintf(stderr," -no_ecdhe     - disable ECDHE\n");
219 #endif
220 #ifndef OPENSSL_NO_SSL2
221         fprintf(stderr," -ssl2         - use SSLv2\n");
222 #endif
223 #ifndef OPENSSL_NO_SSL3
224         fprintf(stderr," -ssl3         - use SSLv3\n");
225 #endif
226 #ifndef OPENSSL_NO_TLS1
227         fprintf(stderr," -tls1         - use TLSv1\n");
228 #endif
229         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
230         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
231         fprintf(stderr," -cert arg     - Server certificate file\n");
232         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
233         fprintf(stderr," -c_cert arg   - Client certificate file\n");
234         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
235         fprintf(stderr," -cipher arg   - The cipher list\n");
236         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
237         fprintf(stderr," -f            - Test even cases that can't work\n");
238         fprintf(stderr," -time         - measure processor time used by client and server\n");
239         fprintf(stderr," -zlib         - use zlib compression\n");
240         fprintf(stderr," -rle          - use rle compression\n");
241 #ifndef OPENSSL_NO_ECDH
242         fprintf(stderr," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
243                        "                 Use \"openssl ecparam -list_curves\" for all names\n"  \
244                        "                 (default is sect163r2).\n");
245 #endif
246         }
247
248 static void print_details(SSL *c_ssl, const char *prefix)
249         {
250         SSL_CIPHER *ciph;
251         X509 *cert;
252                 
253         ciph=SSL_get_current_cipher(c_ssl);
254         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
255                 prefix,
256                 SSL_get_version(c_ssl),
257                 SSL_CIPHER_get_version(ciph),
258                 SSL_CIPHER_get_name(ciph));
259         cert=SSL_get_peer_certificate(c_ssl);
260         if (cert != NULL)
261                 {
262                 EVP_PKEY *pkey = X509_get_pubkey(cert);
263                 if (pkey != NULL)
264                         {
265                         if (0) 
266                                 ;
267 #ifndef OPENSSL_NO_RSA
268                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
269                                 && pkey->pkey.rsa->n != NULL)
270                                 {
271                                 BIO_printf(bio_stdout, ", %d bit RSA",
272                                         BN_num_bits(pkey->pkey.rsa->n));
273                                 }
274 #endif
275 #ifndef OPENSSL_NO_DSA
276                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
277                                 && pkey->pkey.dsa->p != NULL)
278                                 {
279                                 BIO_printf(bio_stdout, ", %d bit DSA",
280                                         BN_num_bits(pkey->pkey.dsa->p));
281                                 }
282 #endif
283                         EVP_PKEY_free(pkey);
284                         }
285                 X509_free(cert);
286                 }
287         /* The SSL API does not allow us to look at temporary RSA/DH keys,
288          * otherwise we should print their lengths too */
289         BIO_printf(bio_stdout,"\n");
290         }
291
292 static void lock_dbg_cb(int mode, int type, const char *file, int line)
293         {
294         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
295         const char *errstr = NULL;
296         int rw;
297         
298         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
299         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
300                 {
301                 errstr = "invalid mode";
302                 goto err;
303                 }
304
305         if (type < 0 || type > CRYPTO_NUM_LOCKS)
306                 {
307                 errstr = "type out of bounds";
308                 goto err;
309                 }
310
311         if (mode & CRYPTO_LOCK)
312                 {
313                 if (modes[type])
314                         {
315                         errstr = "already locked";
316                         /* must not happen in a single-threaded program
317                          * (would deadlock) */
318                         goto err;
319                         }
320
321                 modes[type] = rw;
322                 }
323         else if (mode & CRYPTO_UNLOCK)
324                 {
325                 if (!modes[type])
326                         {
327                         errstr = "not locked";
328                         goto err;
329                         }
330                 
331                 if (modes[type] != rw)
332                         {
333                         errstr = (rw == CRYPTO_READ) ?
334                                 "CRYPTO_r_unlock on write lock" :
335                                 "CRYPTO_w_unlock on read lock";
336                         }
337
338                 modes[type] = 0;
339                 }
340         else
341                 {
342                 errstr = "invalid mode";
343                 goto err;
344                 }
345
346  err:
347         if (errstr)
348                 {
349                 /* we cannot use bio_err here */
350                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
351                         errstr, mode, type, file, line);
352                 }
353         }
354
355 int main(int argc, char *argv[])
356         {
357         char *CApath=NULL,*CAfile=NULL;
358         int badop=0;
359         int bio_pair=0;
360         int force=0;
361         int tls1=0,ssl2=0,ssl3=0,ret=1;
362         int client_auth=0;
363         int server_auth=0,i;
364         int app_verify=0;
365         char *server_cert=TEST_SERVER_CERT;
366         char *server_key=NULL;
367         char *client_cert=TEST_CLIENT_CERT;
368         char *client_key=NULL;
369         char *named_curve = NULL;
370         SSL_CTX *s_ctx=NULL;
371         SSL_CTX *c_ctx=NULL;
372         SSL_METHOD *meth=NULL;
373         SSL *c_ssl,*s_ssl;
374         int number=1,reuse=0;
375         long bytes=1L;
376 #ifndef OPENSSL_NO_DH
377         DH *dh;
378         int dhe1024 = 0, dhe1024dsa = 0;
379 #endif
380 #ifndef OPENSSL_NO_ECDH
381         EC_KEY *ecdh = NULL;
382 #endif
383         int no_dhe = 0;
384         int no_ecdhe = 0;
385         int print_time = 0;
386         clock_t s_time = 0, c_time = 0;
387         int comp = 0;
388         COMP_METHOD *cm = NULL;
389
390         verbose = 0;
391         debug = 0;
392         cipher = 0;
393
394         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 
395
396         CRYPTO_set_locking_callback(lock_dbg_cb);
397
398         /* enable memory leak checking unless explicitly disabled */
399         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
400                 {
401                 CRYPTO_malloc_debug_init();
402                 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
403                 }
404         else
405                 {
406                 /* OPENSSL_DEBUG_MEMORY=off */
407                 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
408                 }
409         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
410
411         RAND_seed(rnd_seed, sizeof rnd_seed);
412
413         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
414
415         argc--;
416         argv++;
417
418         while (argc >= 1)
419                 {
420                 if      (strcmp(*argv,"-server_auth") == 0)
421                         server_auth=1;
422                 else if (strcmp(*argv,"-client_auth") == 0)
423                         client_auth=1;
424                 else if (strcmp(*argv,"-v") == 0)
425                         verbose=1;
426                 else if (strcmp(*argv,"-d") == 0)
427                         debug=1;
428                 else if (strcmp(*argv,"-reuse") == 0)
429                         reuse=1;
430                 else if (strcmp(*argv,"-dhe1024") == 0)
431                         {
432 #ifndef OPENSSL_NO_DH
433                         dhe1024=1;
434 #else
435                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
436 #endif
437                         }
438                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
439                         {
440 #ifndef OPENSSL_NO_DH
441                         dhe1024dsa=1;
442 #else
443                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
444 #endif
445                         }
446                 else if (strcmp(*argv,"-no_dhe") == 0)
447                         no_dhe=1;
448                 else if (strcmp(*argv,"-no_ecdhe") == 0)
449                         no_ecdhe=1;
450                 else if (strcmp(*argv,"-ssl2") == 0)
451                         ssl2=1;
452                 else if (strcmp(*argv,"-tls1") == 0)
453                         tls1=1;
454                 else if (strcmp(*argv,"-ssl3") == 0)
455                         ssl3=1;
456                 else if (strncmp(*argv,"-num",4) == 0)
457                         {
458                         if (--argc < 1) goto bad;
459                         number= atoi(*(++argv));
460                         if (number == 0) number=1;
461                         }
462                 else if (strcmp(*argv,"-bytes") == 0)
463                         {
464                         if (--argc < 1) goto bad;
465                         bytes= atol(*(++argv));
466                         if (bytes == 0L) bytes=1L;
467                         i=strlen(argv[0]);
468                         if (argv[0][i-1] == 'k') bytes*=1024L;
469                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
470                         }
471                 else if (strcmp(*argv,"-cert") == 0)
472                         {
473                         if (--argc < 1) goto bad;
474                         server_cert= *(++argv);
475                         }
476                 else if (strcmp(*argv,"-s_cert") == 0)
477                         {
478                         if (--argc < 1) goto bad;
479                         server_cert= *(++argv);
480                         }
481                 else if (strcmp(*argv,"-key") == 0)
482                         {
483                         if (--argc < 1) goto bad;
484                         server_key= *(++argv);
485                         }
486                 else if (strcmp(*argv,"-s_key") == 0)
487                         {
488                         if (--argc < 1) goto bad;
489                         server_key= *(++argv);
490                         }
491                 else if (strcmp(*argv,"-c_cert") == 0)
492                         {
493                         if (--argc < 1) goto bad;
494                         client_cert= *(++argv);
495                         }
496                 else if (strcmp(*argv,"-c_key") == 0)
497                         {
498                         if (--argc < 1) goto bad;
499                         client_key= *(++argv);
500                         }
501                 else if (strcmp(*argv,"-cipher") == 0)
502                         {
503                         if (--argc < 1) goto bad;
504                         cipher= *(++argv);
505                         }
506                 else if (strcmp(*argv,"-CApath") == 0)
507                         {
508                         if (--argc < 1) goto bad;
509                         CApath= *(++argv);
510                         }
511                 else if (strcmp(*argv,"-CAfile") == 0)
512                         {
513                         if (--argc < 1) goto bad;
514                         CAfile= *(++argv);
515                         }
516                 else if (strcmp(*argv,"-bio_pair") == 0)
517                         {
518                         bio_pair = 1;
519                         }
520                 else if (strcmp(*argv,"-f") == 0)
521                         {
522                         force = 1;
523                         }
524                 else if (strcmp(*argv,"-time") == 0)
525                         {
526                         print_time = 1;
527                         }
528                 else if (strcmp(*argv,"-zlib") == 0)
529                         {
530                         comp = COMP_ZLIB;
531                         }
532                 else if (strcmp(*argv,"-rle") == 0)
533                         {
534                         comp = COMP_RLE;
535                         }
536                 else if (strcmp(*argv,"-named_curve") == 0)
537                         {
538                         if (--argc < 1) goto bad;
539 #ifndef OPENSSL_NO_ECDH         
540                         named_curve = *(++argv);
541 #else
542                         fprintf(stderr,"ignoring -named_curve, since I'm compiled without ECDH\n");
543                         ++argv;
544 #endif
545                         }
546                 else if (strcmp(*argv,"-app_verify") == 0)
547                         {
548                         app_verify = 1;
549                         }
550                 else
551                         {
552                         fprintf(stderr,"unknown option %s\n",*argv);
553                         badop=1;
554                         break;
555                         }
556                 argc--;
557                 argv++;
558                 }
559         if (badop)
560                 {
561 bad:
562                 sv_usage();
563                 goto end;
564                 }
565
566         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
567                 {
568                 fprintf(stderr, "This case cannot work.  Use -f to perform "
569                         "the test anyway (and\n-d to see what happens), "
570                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
571                         "to avoid protocol mismatch.\n");
572                 EXIT(1);
573                 }
574
575         if (print_time)
576                 {
577                 if (!bio_pair)
578                         {
579                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
580                         bio_pair = 1;
581                         }
582                 if (number < 50 && !force)
583                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
584                 }
585
586 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
587
588         SSL_library_init();
589         SSL_load_error_strings();
590
591         if (comp == COMP_ZLIB) cm = COMP_zlib();
592         if (comp == COMP_RLE) cm = COMP_rle();
593         if (cm != NULL)
594                 {
595                 if (cm->type != NID_undef)
596                         SSL_COMP_add_compression_method(comp, cm);
597                 else
598                         {
599                         fprintf(stderr,
600                                 "Warning: %s compression not supported\n",
601                                 (comp == COMP_RLE ? "rle" :
602                                         (comp == COMP_ZLIB ? "zlib" :
603                                                 "unknown")));
604                         ERR_print_errors_fp(stderr);
605                         }
606                 }
607
608 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
609         if (ssl2)
610                 meth=SSLv2_method();
611         else 
612         if (tls1)
613                 meth=TLSv1_method();
614         else
615         if (ssl3)
616                 meth=SSLv3_method();
617         else
618                 meth=SSLv23_method();
619 #else
620 #ifdef OPENSSL_NO_SSL2
621         meth=SSLv3_method();
622 #else
623         meth=SSLv2_method();
624 #endif
625 #endif
626
627         c_ctx=SSL_CTX_new(meth);
628         s_ctx=SSL_CTX_new(meth);
629         if ((c_ctx == NULL) || (s_ctx == NULL))
630                 {
631                 ERR_print_errors(bio_err);
632                 goto end;
633                 }
634
635         if (cipher != NULL)
636                 {
637                 SSL_CTX_set_cipher_list(c_ctx,cipher);
638                 SSL_CTX_set_cipher_list(s_ctx,cipher);
639                 }
640
641 #ifndef OPENSSL_NO_DH
642         if (!no_dhe)
643                 {
644                 if (dhe1024dsa)
645                         {
646                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
647                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
648                         dh=get_dh1024dsa();
649                         }
650                 else if (dhe1024)
651                         dh=get_dh1024();
652                 else
653                         dh=get_dh512();
654                 SSL_CTX_set_tmp_dh(s_ctx,dh);
655                 DH_free(dh);
656                 }
657 #else
658         (void)no_dhe;
659 #endif
660
661 #ifndef OPENSSL_NO_ECDH
662         if (!no_ecdhe)
663                 {
664                 ecdh = EC_KEY_new();
665                 if (ecdh != NULL)
666                         {
667                         if (named_curve)
668                                 {
669                                 int nid = OBJ_sn2nid(named_curve);
670
671                                 if (nid == 0)
672                                         {
673                                         BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve);
674                                         EC_KEY_free(ecdh);
675                                         goto end;
676                                         }
677
678                                 ecdh->group = EC_GROUP_new_by_nid(nid);
679                                 if (ecdh->group == NULL)
680                                         {
681                                         BIO_printf(bio_err, "unable to create curve (%s)\n", named_curve);
682                                         EC_KEY_free(ecdh);
683                                         goto end;
684                                         }
685                                 }
686                         
687                         if (ecdh->group == NULL)
688                                 ecdh->group=EC_GROUP_new_by_nid(NID_sect163r2);
689
690                         SSL_CTX_set_tmp_ecdh(s_ctx, ecdh);
691                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_ECDH_USE);
692                         EC_KEY_free(ecdh);
693                         }
694                 }
695 #else
696         (void)no_ecdhe;
697 #endif
698
699 #ifndef OPENSSL_NO_RSA
700         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
701 #endif
702
703         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
704                 {
705                 ERR_print_errors(bio_err);
706                 }
707         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
708                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
709                 {
710                 ERR_print_errors(bio_err);
711                 goto end;
712                 }
713
714         if (client_auth)
715                 {
716                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
717                         SSL_FILETYPE_PEM);
718                 SSL_CTX_use_PrivateKey_file(c_ctx,
719                         (client_key?client_key:client_cert),
720                         SSL_FILETYPE_PEM);
721                 }
722
723         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
724                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
725                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
726                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
727                 {
728                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
729                 ERR_print_errors(bio_err);
730                 /* goto end; */
731                 }
732
733         if (client_auth)
734                 {
735                 BIO_printf(bio_err,"client authentication\n");
736                 SSL_CTX_set_verify(s_ctx,
737                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
738                         verify_callback);
739                 if (app_verify) 
740                         {
741                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
742                         }
743                 }
744         if (server_auth)
745                 {
746                 BIO_printf(bio_err,"server authentication\n");
747                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
748                         verify_callback);
749                 if (app_verify) 
750                         {
751                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
752                         }
753                 }
754         
755         {
756                 int session_id_context = 0;
757                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
758         }
759
760         c_ssl=SSL_new(c_ctx);
761         s_ssl=SSL_new(s_ctx);
762
763 #ifndef OPENSSL_NO_KRB5
764         if (c_ssl  &&  c_ssl->kssl_ctx)
765                 {
766                 char    localhost[MAXHOSTNAMELEN+2];
767
768                 if (gethostname(localhost, sizeof localhost-1) == 0)
769                         {
770                         localhost[sizeof localhost-1]='\0';
771                         if(strlen(localhost) == sizeof localhost-1)
772                                 {
773                                 BIO_printf(bio_err,"localhost name too long\n");
774                                 goto end;
775                                 }
776                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
777                                 localhost);
778                         }
779                 }
780 #endif    /* OPENSSL_NO_KRB5  */
781
782         for (i=0; i<number; i++)
783                 {
784                 if (!reuse) SSL_set_session(c_ssl,NULL);
785                 if (bio_pair)
786                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
787                 else
788                         ret=doit(s_ssl,c_ssl,bytes);
789                 }
790
791         if (!verbose)
792                 {
793                 print_details(c_ssl, "");
794                 }
795         if ((number > 1) || (bytes > 1L))
796                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
797         if (print_time)
798                 {
799 #ifdef CLOCKS_PER_SEC
800                 /* "To determine the time in seconds, the value returned
801                  * by the clock function should be divided by the value
802                  * of the macro CLOCKS_PER_SEC."
803                  *                                       -- ISO/IEC 9899 */
804                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
805                         "Approximate total client time: %6.2f s\n",
806                         (double)s_time/CLOCKS_PER_SEC,
807                         (double)c_time/CLOCKS_PER_SEC);
808 #else
809                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
810                  *                            -- cc on NeXTstep/OpenStep */
811                 BIO_printf(bio_stdout,
812                         "Approximate total server time: %6.2f units\n"
813                         "Approximate total client time: %6.2f units\n",
814                         (double)s_time,
815                         (double)c_time);
816 #endif
817                 }
818
819         SSL_free(s_ssl);
820         SSL_free(c_ssl);
821
822 end:
823         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
824         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
825
826         if (bio_stdout != NULL) BIO_free(bio_stdout);
827
828 #ifndef OPENSSL_NO_RSA
829         free_tmp_rsa();
830 #endif
831         ENGINE_cleanup();
832         CRYPTO_cleanup_all_ex_data();
833         ERR_free_strings();
834         ERR_remove_state(0);
835         EVP_cleanup();
836         CRYPTO_mem_leaks(bio_err);
837         if (bio_err != NULL) BIO_free(bio_err);
838         EXIT(ret);
839         }
840
841 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
842         clock_t *s_time, clock_t *c_time)
843         {
844         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
845         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
846         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
847         int ret = 1;
848         
849         size_t bufsiz = 256; /* small buffer for testing */
850
851         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
852                 goto err;
853         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
854                 goto err;
855         
856         s_ssl_bio = BIO_new(BIO_f_ssl());
857         if (!s_ssl_bio)
858                 goto err;
859
860         c_ssl_bio = BIO_new(BIO_f_ssl());
861         if (!c_ssl_bio)
862                 goto err;
863
864         SSL_set_connect_state(c_ssl);
865         SSL_set_bio(c_ssl, client, client);
866         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
867
868         SSL_set_accept_state(s_ssl);
869         SSL_set_bio(s_ssl, server, server);
870         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
871
872         do
873                 {
874                 /* c_ssl_bio:          SSL filter BIO
875                  *
876                  * client:             pseudo-I/O for SSL library
877                  *
878                  * client_io:          client's SSL communication; usually to be
879                  *                     relayed over some I/O facility, but in this
880                  *                     test program, we're the server, too:
881                  *
882                  * server_io:          server's SSL communication
883                  *
884                  * server:             pseudo-I/O for SSL library
885                  *
886                  * s_ssl_bio:          SSL filter BIO
887                  *
888                  * The client and the server each employ a "BIO pair":
889                  * client + client_io, server + server_io.
890                  * BIO pairs are symmetric.  A BIO pair behaves similar
891                  * to a non-blocking socketpair (but both endpoints must
892                  * be handled by the same thread).
893                  * [Here we could connect client and server to the ends
894                  * of a single BIO pair, but then this code would be less
895                  * suitable as an example for BIO pairs in general.]
896                  *
897                  * Useful functions for querying the state of BIO pair endpoints:
898                  *
899                  * BIO_ctrl_pending(bio)              number of bytes we can read now
900                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
901                  *                                      other side's read attempt
902                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
903                  *
904                  * ..._read_request is never more than ..._write_guarantee;
905                  * it depends on the application which one you should use.
906                  */
907
908                 /* We have non-blocking behaviour throughout this test program, but
909                  * can be sure that there is *some* progress in each iteration; so
910                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
911                  * -- we just try everything in each iteration
912                  */
913
914                         {
915                         /* CLIENT */
916                 
917                         MS_STATIC char cbuf[1024*8];
918                         int i, r;
919                         clock_t c_clock = clock();
920
921                         memset(cbuf, 0, sizeof(cbuf));
922
923                         if (debug)
924                                 if (SSL_in_init(c_ssl))
925                                         printf("client waiting in SSL_connect - %s\n",
926                                                 SSL_state_string_long(c_ssl));
927
928                         if (cw_num > 0)
929                                 {
930                                 /* Write to server. */
931                                 
932                                 if (cw_num > (long)sizeof cbuf)
933                                         i = sizeof cbuf;
934                                 else
935                                         i = (int)cw_num;
936                                 r = BIO_write(c_ssl_bio, cbuf, i);
937                                 if (r < 0)
938                                         {
939                                         if (!BIO_should_retry(c_ssl_bio))
940                                                 {
941                                                 fprintf(stderr,"ERROR in CLIENT\n");
942                                                 goto err;
943                                                 }
944                                         /* BIO_should_retry(...) can just be ignored here.
945                                          * The library expects us to call BIO_write with
946                                          * the same arguments again, and that's what we will
947                                          * do in the next iteration. */
948                                         }
949                                 else if (r == 0)
950                                         {
951                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
952                                         goto err;
953                                         }
954                                 else
955                                         {
956                                         if (debug)
957                                                 printf("client wrote %d\n", r);
958                                         cw_num -= r;                            
959                                         }
960                                 }
961
962                         if (cr_num > 0)
963                                 {
964                                 /* Read from server. */
965
966                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
967                                 if (r < 0)
968                                         {
969                                         if (!BIO_should_retry(c_ssl_bio))
970                                                 {
971                                                 fprintf(stderr,"ERROR in CLIENT\n");
972                                                 goto err;
973                                                 }
974                                         /* Again, "BIO_should_retry" can be ignored. */
975                                         }
976                                 else if (r == 0)
977                                         {
978                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
979                                         goto err;
980                                         }
981                                 else
982                                         {
983                                         if (debug)
984                                                 printf("client read %d\n", r);
985                                         cr_num -= r;
986                                         }
987                                 }
988
989                         /* c_time and s_time increments will typically be very small
990                          * (depending on machine speed and clock tick intervals),
991                          * but sampling over a large number of connections should
992                          * result in fairly accurate figures.  We cannot guarantee
993                          * a lot, however -- if each connection lasts for exactly
994                          * one clock tick, it will be counted only for the client
995                          * or only for the server or even not at all.
996                          */
997                         *c_time += (clock() - c_clock);
998                         }
999
1000                         {
1001                         /* SERVER */
1002                 
1003                         MS_STATIC char sbuf[1024*8];
1004                         int i, r;
1005                         clock_t s_clock = clock();
1006
1007                         memset(sbuf, 0, sizeof(sbuf));
1008
1009                         if (debug)
1010                                 if (SSL_in_init(s_ssl))
1011                                         printf("server waiting in SSL_accept - %s\n",
1012                                                 SSL_state_string_long(s_ssl));
1013
1014                         if (sw_num > 0)
1015                                 {
1016                                 /* Write to client. */
1017                                 
1018                                 if (sw_num > (long)sizeof sbuf)
1019                                         i = sizeof sbuf;
1020                                 else
1021                                         i = (int)sw_num;
1022                                 r = BIO_write(s_ssl_bio, sbuf, i);
1023                                 if (r < 0)
1024                                         {
1025                                         if (!BIO_should_retry(s_ssl_bio))
1026                                                 {
1027                                                 fprintf(stderr,"ERROR in SERVER\n");
1028                                                 goto err;
1029                                                 }
1030                                         /* Ignore "BIO_should_retry". */
1031                                         }
1032                                 else if (r == 0)
1033                                         {
1034                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1035                                         goto err;
1036                                         }
1037                                 else
1038                                         {
1039                                         if (debug)
1040                                                 printf("server wrote %d\n", r);
1041                                         sw_num -= r;                            
1042                                         }
1043                                 }
1044
1045                         if (sr_num > 0)
1046                                 {
1047                                 /* Read from client. */
1048
1049                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
1050                                 if (r < 0)
1051                                         {
1052                                         if (!BIO_should_retry(s_ssl_bio))
1053                                                 {
1054                                                 fprintf(stderr,"ERROR in SERVER\n");
1055                                                 goto err;
1056                                                 }
1057                                         /* blah, blah */
1058                                         }
1059                                 else if (r == 0)
1060                                         {
1061                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1062                                         goto err;
1063                                         }
1064                                 else
1065                                         {
1066                                         if (debug)
1067                                                 printf("server read %d\n", r);
1068                                         sr_num -= r;
1069                                         }
1070                                 }
1071
1072                         *s_time += (clock() - s_clock);
1073                         }
1074                         
1075                         {
1076                         /* "I/O" BETWEEN CLIENT AND SERVER. */
1077
1078                         size_t r1, r2;
1079                         BIO *io1 = server_io, *io2 = client_io;
1080                         /* we use the non-copying interface for io1
1081                          * and the standard BIO_write/BIO_read interface for io2
1082                          */
1083                         
1084                         static int prev_progress = 1;
1085                         int progress = 0;
1086                         
1087                         /* io1 to io2 */
1088                         do
1089                                 {
1090                                 size_t num;
1091                                 int r;
1092
1093                                 r1 = BIO_ctrl_pending(io1);
1094                                 r2 = BIO_ctrl_get_write_guarantee(io2);
1095
1096                                 num = r1;
1097                                 if (r2 < num)
1098                                         num = r2;
1099                                 if (num)
1100                                         {
1101                                         char *dataptr;
1102
1103                                         if (INT_MAX < num) /* yeah, right */
1104                                                 num = INT_MAX;
1105                                         
1106                                         r = BIO_nread(io1, &dataptr, (int)num);
1107                                         assert(r > 0);
1108                                         assert(r <= (int)num);
1109                                         /* possibly r < num (non-contiguous data) */
1110                                         num = r;
1111                                         r = BIO_write(io2, dataptr, (int)num);
1112                                         if (r != (int)num) /* can't happen */
1113                                                 {
1114                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1115                                                         "BIO_ctrl_get_write_guarantee() bytes");
1116                                                 goto err;
1117                                                 }
1118                                         progress = 1;
1119
1120                                         if (debug)
1121                                                 printf((io1 == client_io) ?
1122                                                         "C->S relaying: %d bytes\n" :
1123                                                         "S->C relaying: %d bytes\n",
1124                                                         (int)num);
1125                                         }
1126                                 }
1127                         while (r1 && r2);
1128
1129                         /* io2 to io1 */
1130                         {
1131                                 size_t num;
1132                                 int r;
1133
1134                                 r1 = BIO_ctrl_pending(io2);
1135                                 r2 = BIO_ctrl_get_read_request(io1);
1136                                 /* here we could use ..._get_write_guarantee instead of
1137                                  * ..._get_read_request, but by using the latter
1138                                  * we test restartability of the SSL implementation
1139                                  * more thoroughly */
1140                                 num = r1;
1141                                 if (r2 < num)
1142                                         num = r2;
1143                                 if (num)
1144                                         {
1145                                         char *dataptr;
1146                                         
1147                                         if (INT_MAX < num)
1148                                                 num = INT_MAX;
1149
1150                                         if (num > 1)
1151                                                 --num; /* test restartability even more thoroughly */
1152                                         
1153                                         r = BIO_nwrite0(io1, &dataptr);
1154                                         assert(r > 0);
1155                                         if (r < (int)num)
1156                                                 num = r;
1157                                         r = BIO_read(io2, dataptr, (int)num);
1158                                         if (r != (int)num) /* can't happen */
1159                                                 {
1160                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1161                                                         "BIO_ctrl_pending() bytes");
1162                                                 goto err;
1163                                                 }
1164                                         progress = 1;
1165                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1166                                         if (r != (int)num) /* can't happen */
1167                                                 {
1168                                                 fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
1169                                                         "BIO_nwrite0() bytes");
1170                                                 goto err;
1171                                                 }
1172                                         
1173                                         if (debug)
1174                                                 printf((io2 == client_io) ?
1175                                                         "C->S relaying: %d bytes\n" :
1176                                                         "S->C relaying: %d bytes\n",
1177                                                         (int)num);
1178                                         }
1179                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1180
1181                         if (!progress && !prev_progress)
1182                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1183                                         {
1184                                         fprintf(stderr, "ERROR: got stuck\n");
1185                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1186                                                 {
1187                                                 fprintf(stderr, "This can happen for SSL2 because "
1188                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1189                                                         "concurrently ...");
1190                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1191                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1192                                                         {
1193                                                         fprintf(stderr, " ok.\n");
1194                                                         goto end;
1195                                                         }
1196                                                 }
1197                                         fprintf(stderr, " ERROR.\n");
1198                                         goto err;
1199                                         }
1200                         prev_progress = progress;
1201                         }
1202                 }
1203         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1204
1205         if (verbose)
1206                 print_details(c_ssl, "DONE via BIO pair: ");
1207 end:
1208         ret = 0;
1209
1210  err:
1211         ERR_print_errors(bio_err);
1212         
1213         if (server)
1214                 BIO_free(server);
1215         if (server_io)
1216                 BIO_free(server_io);
1217         if (client)
1218                 BIO_free(client);
1219         if (client_io)
1220                 BIO_free(client_io);
1221         if (s_ssl_bio)
1222                 BIO_free(s_ssl_bio);
1223         if (c_ssl_bio)
1224                 BIO_free(c_ssl_bio);
1225
1226         return ret;
1227         }
1228
1229
1230 #define W_READ  1
1231 #define W_WRITE 2
1232 #define C_DONE  1
1233 #define S_DONE  2
1234
1235 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1236         {
1237         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1238         long cw_num=count,cr_num=count;
1239         long sw_num=count,sr_num=count;
1240         int ret=1;
1241         BIO *c_to_s=NULL;
1242         BIO *s_to_c=NULL;
1243         BIO *c_bio=NULL;
1244         BIO *s_bio=NULL;
1245         int c_r,c_w,s_r,s_w;
1246         int c_want,s_want;
1247         int i,j;
1248         int done=0;
1249         int c_write,s_write;
1250         int do_server=0,do_client=0;
1251
1252         memset(cbuf,0,sizeof(cbuf));
1253         memset(sbuf,0,sizeof(sbuf));
1254
1255         c_to_s=BIO_new(BIO_s_mem());
1256         s_to_c=BIO_new(BIO_s_mem());
1257         if ((s_to_c == NULL) || (c_to_s == NULL))
1258                 {
1259                 ERR_print_errors(bio_err);
1260                 goto err;
1261                 }
1262
1263         c_bio=BIO_new(BIO_f_ssl());
1264         s_bio=BIO_new(BIO_f_ssl());
1265         if ((c_bio == NULL) || (s_bio == NULL))
1266                 {
1267                 ERR_print_errors(bio_err);
1268                 goto err;
1269                 }
1270
1271         SSL_set_connect_state(c_ssl);
1272         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1273         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1274
1275         SSL_set_accept_state(s_ssl);
1276         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1277         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1278
1279         c_r=0; s_r=1;
1280         c_w=1; s_w=0;
1281         c_want=W_WRITE;
1282         s_want=0;
1283         c_write=1,s_write=0;
1284
1285         /* We can always do writes */
1286         for (;;)
1287                 {
1288                 do_server=0;
1289                 do_client=0;
1290
1291                 i=(int)BIO_pending(s_bio);
1292                 if ((i && s_r) || s_w) do_server=1;
1293
1294                 i=(int)BIO_pending(c_bio);
1295                 if ((i && c_r) || c_w) do_client=1;
1296
1297                 if (do_server && debug)
1298                         {
1299                         if (SSL_in_init(s_ssl))
1300                                 printf("server waiting in SSL_accept - %s\n",
1301                                         SSL_state_string_long(s_ssl));
1302 /*                      else if (s_write)
1303                                 printf("server:SSL_write()\n");
1304                         else
1305                                 printf("server:SSL_read()\n"); */
1306                         }
1307
1308                 if (do_client && debug)
1309                         {
1310                         if (SSL_in_init(c_ssl))
1311                                 printf("client waiting in SSL_connect - %s\n",
1312                                         SSL_state_string_long(c_ssl));
1313 /*                      else if (c_write)
1314                                 printf("client:SSL_write()\n");
1315                         else
1316                                 printf("client:SSL_read()\n"); */
1317                         }
1318
1319                 if (!do_client && !do_server)
1320                         {
1321                         fprintf(stdout,"ERROR IN STARTUP\n");
1322                         ERR_print_errors(bio_err);
1323                         break;
1324                         }
1325                 if (do_client && !(done & C_DONE))
1326                         {
1327                         if (c_write)
1328                                 {
1329                                 j=(cw_num > (long)sizeof(cbuf))
1330                                         ?sizeof(cbuf):(int)cw_num;
1331                                 i=BIO_write(c_bio,cbuf,j);
1332                                 if (i < 0)
1333                                         {
1334                                         c_r=0;
1335                                         c_w=0;
1336                                         if (BIO_should_retry(c_bio))
1337                                                 {
1338                                                 if (BIO_should_read(c_bio))
1339                                                         c_r=1;
1340                                                 if (BIO_should_write(c_bio))
1341                                                         c_w=1;
1342                                                 }
1343                                         else
1344                                                 {
1345                                                 fprintf(stderr,"ERROR in CLIENT\n");
1346                                                 ERR_print_errors(bio_err);
1347                                                 goto err;
1348                                                 }
1349                                         }
1350                                 else if (i == 0)
1351                                         {
1352                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1353                                         goto err;
1354                                         }
1355                                 else
1356                                         {
1357                                         if (debug)
1358                                                 printf("client wrote %d\n",i);
1359                                         /* ok */
1360                                         s_r=1;
1361                                         c_write=0;
1362                                         cw_num-=i;
1363                                         }
1364                                 }
1365                         else
1366                                 {
1367                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1368                                 if (i < 0)
1369                                         {
1370                                         c_r=0;
1371                                         c_w=0;
1372                                         if (BIO_should_retry(c_bio))
1373                                                 {
1374                                                 if (BIO_should_read(c_bio))
1375                                                         c_r=1;
1376                                                 if (BIO_should_write(c_bio))
1377                                                         c_w=1;
1378                                                 }
1379                                         else
1380                                                 {
1381                                                 fprintf(stderr,"ERROR in CLIENT\n");
1382                                                 ERR_print_errors(bio_err);
1383                                                 goto err;
1384                                                 }
1385                                         }
1386                                 else if (i == 0)
1387                                         {
1388                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1389                                         goto err;
1390                                         }
1391                                 else
1392                                         {
1393                                         if (debug)
1394                                                 printf("client read %d\n",i);
1395                                         cr_num-=i;
1396                                         if (sw_num > 0)
1397                                                 {
1398                                                 s_write=1;
1399                                                 s_w=1;
1400                                                 }
1401                                         if (cr_num <= 0)
1402                                                 {
1403                                                 s_write=1;
1404                                                 s_w=1;
1405                                                 done=S_DONE|C_DONE;
1406                                                 }
1407                                         }
1408                                 }
1409                         }
1410
1411                 if (do_server && !(done & S_DONE))
1412                         {
1413                         if (!s_write)
1414                                 {
1415                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1416                                 if (i < 0)
1417                                         {
1418                                         s_r=0;
1419                                         s_w=0;
1420                                         if (BIO_should_retry(s_bio))
1421                                                 {
1422                                                 if (BIO_should_read(s_bio))
1423                                                         s_r=1;
1424                                                 if (BIO_should_write(s_bio))
1425                                                         s_w=1;
1426                                                 }
1427                                         else
1428                                                 {
1429                                                 fprintf(stderr,"ERROR in SERVER\n");
1430                                                 ERR_print_errors(bio_err);
1431                                                 goto err;
1432                                                 }
1433                                         }
1434                                 else if (i == 0)
1435                                         {
1436                                         ERR_print_errors(bio_err);
1437                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1438                                         goto err;
1439                                         }
1440                                 else
1441                                         {
1442                                         if (debug)
1443                                                 printf("server read %d\n",i);
1444                                         sr_num-=i;
1445                                         if (cw_num > 0)
1446                                                 {
1447                                                 c_write=1;
1448                                                 c_w=1;
1449                                                 }
1450                                         if (sr_num <= 0)
1451                                                 {
1452                                                 s_write=1;
1453                                                 s_w=1;
1454                                                 c_write=0;
1455                                                 }
1456                                         }
1457                                 }
1458                         else
1459                                 {
1460                                 j=(sw_num > (long)sizeof(sbuf))?
1461                                         sizeof(sbuf):(int)sw_num;
1462                                 i=BIO_write(s_bio,sbuf,j);
1463                                 if (i < 0)
1464                                         {
1465                                         s_r=0;
1466                                         s_w=0;
1467                                         if (BIO_should_retry(s_bio))
1468                                                 {
1469                                                 if (BIO_should_read(s_bio))
1470                                                         s_r=1;
1471                                                 if (BIO_should_write(s_bio))
1472                                                         s_w=1;
1473                                                 }
1474                                         else
1475                                                 {
1476                                                 fprintf(stderr,"ERROR in SERVER\n");
1477                                                 ERR_print_errors(bio_err);
1478                                                 goto err;
1479                                                 }
1480                                         }
1481                                 else if (i == 0)
1482                                         {
1483                                         ERR_print_errors(bio_err);
1484                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1485                                         goto err;
1486                                         }
1487                                 else
1488                                         {
1489                                         if (debug)
1490                                                 printf("server wrote %d\n",i);
1491                                         sw_num-=i;
1492                                         s_write=0;
1493                                         c_r=1;
1494                                         if (sw_num <= 0)
1495                                                 done|=S_DONE;
1496                                         }
1497                                 }
1498                         }
1499
1500                 if ((done & S_DONE) && (done & C_DONE)) break;
1501                 }
1502
1503         if (verbose)
1504                 print_details(c_ssl, "DONE: ");
1505         ret=0;
1506 err:
1507         /* We have to set the BIO's to NULL otherwise they will be
1508          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1509          * again when c_ssl is SSL_free()ed.
1510          * This is a hack required because s_ssl and c_ssl are sharing the same
1511          * BIO structure and SSL_set_bio() and SSL_free() automatically
1512          * BIO_free non NULL entries.
1513          * You should not normally do this or be required to do this */
1514         if (s_ssl != NULL)
1515                 {
1516                 s_ssl->rbio=NULL;
1517                 s_ssl->wbio=NULL;
1518                 }
1519         if (c_ssl != NULL)
1520                 {
1521                 c_ssl->rbio=NULL;
1522                 c_ssl->wbio=NULL;
1523                 }
1524
1525         if (c_to_s != NULL) BIO_free(c_to_s);
1526         if (s_to_c != NULL) BIO_free(s_to_c);
1527         if (c_bio != NULL) BIO_free_all(c_bio);
1528         if (s_bio != NULL) BIO_free_all(s_bio);
1529         return(ret);
1530         }
1531
1532 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1533         {
1534         char *s,buf[256];
1535
1536         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,
1537                             sizeof buf);
1538         if (s != NULL)
1539                 {
1540                 if (ok)
1541                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1542                 else
1543                         fprintf(stderr,"depth=%d error=%d %s\n",
1544                                 ctx->error_depth,ctx->error,buf);
1545                 }
1546
1547         if (ok == 0)
1548                 {
1549                 switch (ctx->error)
1550                         {
1551                 case X509_V_ERR_CERT_NOT_YET_VALID:
1552                 case X509_V_ERR_CERT_HAS_EXPIRED:
1553                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1554                         ok=1;
1555                         }
1556                 }
1557
1558         return(ok);
1559         }
1560
1561 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
1562         {
1563         char *s = NULL,buf[256];
1564         int ok=1;
1565
1566         fprintf(stderr, "In app_verify_callback, allowing cert. ");
1567         fprintf(stderr, "Arg is: %s\n", (char *)arg);
1568         fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
1569                         (unsigned int)ctx, (unsigned int)ctx->cert);
1570         if (ctx->cert)
1571                 s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
1572         if (s != NULL)
1573                 {
1574                         fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
1575                 }
1576
1577         return(ok);
1578         }
1579
1580 #ifndef OPENSSL_NO_RSA
1581 static RSA *rsa_tmp=NULL;
1582
1583 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1584         {
1585         if (rsa_tmp == NULL)
1586                 {
1587                 rsa_tmp = RSA_new();
1588                 if(!rsa_tmp)
1589                         {
1590                         BIO_printf(bio_err, "Memory error...");
1591                         goto end;
1592                         }
1593                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1594                 (void)BIO_flush(bio_err);
1595                 if(!RSA_generate_key_ex(rsa_tmp,keylength,RSA_F4,NULL))
1596                         {
1597                         BIO_printf(bio_err, "Error generating key.", keylength);
1598                         RSA_free(rsa_tmp);
1599                         rsa_tmp = NULL;
1600                         }
1601 end:
1602                 BIO_printf(bio_err,"\n");
1603                 (void)BIO_flush(bio_err);
1604                 }
1605         return(rsa_tmp);
1606         }
1607
1608 static void free_tmp_rsa(void)
1609         {
1610         if (rsa_tmp != NULL)
1611                 {
1612                 RSA_free(rsa_tmp);
1613                 rsa_tmp = NULL;
1614                 }
1615         }
1616 #endif
1617
1618 #ifndef OPENSSL_NO_DH
1619 /* These DH parameters have been generated as follows:
1620  *    $ openssl dhparam -C -noout 512
1621  *    $ openssl dhparam -C -noout 1024
1622  *    $ openssl dhparam -C -noout -dsaparam 1024
1623  * (The third function has been renamed to avoid name conflicts.)
1624  */
1625 static DH *get_dh512()
1626         {
1627         static unsigned char dh512_p[]={
1628                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1629                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1630                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1631                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1632                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1633                 0x02,0xC5,0xAE,0x23,
1634                 };
1635         static unsigned char dh512_g[]={
1636                 0x02,
1637                 };
1638         DH *dh;
1639
1640         if ((dh=DH_new()) == NULL) return(NULL);
1641         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1642         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1643         if ((dh->p == NULL) || (dh->g == NULL))
1644                 { DH_free(dh); return(NULL); }
1645         return(dh);
1646         }
1647
1648 static DH *get_dh1024()
1649         {
1650         static unsigned char dh1024_p[]={
1651                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1652                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1653                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1654                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1655                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1656                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1657                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1658                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1659                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1660                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1661                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1662                 };
1663         static unsigned char dh1024_g[]={
1664                 0x02,
1665                 };
1666         DH *dh;
1667
1668         if ((dh=DH_new()) == NULL) return(NULL);
1669         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1670         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1671         if ((dh->p == NULL) || (dh->g == NULL))
1672                 { DH_free(dh); return(NULL); }
1673         return(dh);
1674         }
1675
1676 static DH *get_dh1024dsa()
1677         {
1678         static unsigned char dh1024_p[]={
1679                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1680                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1681                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1682                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1683                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1684                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1685                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1686                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1687                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1688                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1689                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1690                 };
1691         static unsigned char dh1024_g[]={
1692                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1693                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1694                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1695                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1696                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1697                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1698                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1699                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1700                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1701                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1702                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1703                 };
1704         DH *dh;
1705
1706         if ((dh=DH_new()) == NULL) return(NULL);
1707         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1708         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1709         if ((dh->p == NULL) || (dh->g == NULL))
1710                 { DH_free(dh); return(NULL); }
1711         dh->length = 160;
1712         return(dh);
1713         }
1714 #endif