Avoid warnings: add missing prototype, don't shadow.
[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 #ifndef OPENSSL_NO_ENGINE
137 #include <openssl/engine.h>
138 #endif
139 #include <openssl/err.h>
140 #include <openssl/rand.h>
141
142 #define _XOPEN_SOURCE_EXTENDED  1 /* Or gethostname won't be declared properly
143                                      on Compaq platforms (at least with DEC C).
144                                      Do not try to put it earlier, or IPv6 includes
145                                      get screwed...
146                                   */
147
148 #ifdef OPENSSL_SYS_WINDOWS
149 #include <winsock.h>
150 #else
151 #include OPENSSL_UNISTD
152 #endif
153
154 #ifdef OPENSSL_SYS_VMS
155 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
156 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
157 #elif defined(OPENSSL_SYS_WINCE)
158 #  define TEST_SERVER_CERT "\\OpenSSL\\server.pem"
159 #  define TEST_CLIENT_CERT "\\OpenSSL\\client.pem"
160 #else
161 #  define TEST_SERVER_CERT "../apps/server.pem"
162 #  define TEST_CLIENT_CERT "../apps/client.pem"
163 #endif
164
165 /* There is really no standard for this, so let's assign some tentative
166    numbers.  In any case, these numbers are only for this test */
167 #define COMP_RLE        255
168 #define COMP_ZLIB       1
169
170 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
171 #ifndef OPENSSL_NO_RSA
172 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
173 static void free_tmp_rsa(void);
174 #endif
175 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg);
176 #define APP_CALLBACK "Test Callback Argument"
177 static char *app_verify_arg = APP_CALLBACK;
178
179 #ifndef OPENSSL_NO_DH
180 static DH *get_dh512(void);
181 static DH *get_dh1024(void);
182 static DH *get_dh1024dsa(void);
183 #endif
184
185 static BIO *bio_err=NULL;
186 static BIO *bio_stdout=NULL;
187
188 static char *cipher=NULL;
189 static int verbose=0;
190 static int debug=0;
191 #if 0
192 /* Not used yet. */
193 #ifdef FIONBIO
194 static int s_nbio=0;
195 #endif
196 #endif
197
198 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
199
200 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
201 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
202 static void sv_usage(void)
203         {
204         fprintf(stderr,"usage: ssltest [args ...]\n");
205         fprintf(stderr,"\n");
206         fprintf(stderr," -server_auth  - check server certificate\n");
207         fprintf(stderr," -client_auth  - do client authentication\n");
208         fprintf(stderr," -v            - more output\n");
209         fprintf(stderr," -d            - debug output\n");
210         fprintf(stderr," -reuse        - use session-id reuse\n");
211         fprintf(stderr," -num <val>    - number of connections to perform\n");
212         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
213 #ifndef OPENSSL_NO_DH
214         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
215         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
216         fprintf(stderr," -no_dhe       - disable DHE\n");
217 #endif
218 #ifndef OPENSSL_NO_ECDH
219         fprintf(stderr," -no_ecdhe     - disable ECDHE\n");
220 #endif
221 #ifndef OPENSSL_NO_SSL2
222         fprintf(stderr," -ssl2         - use SSLv2\n");
223 #endif
224 #ifndef OPENSSL_NO_SSL3
225         fprintf(stderr," -ssl3         - use SSLv3\n");
226 #endif
227 #ifndef OPENSSL_NO_TLS1
228         fprintf(stderr," -tls1         - use TLSv1\n");
229 #endif
230         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
231         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
232         fprintf(stderr," -cert arg     - Server certificate file\n");
233         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
234         fprintf(stderr," -c_cert arg   - Client certificate file\n");
235         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
236         fprintf(stderr," -cipher arg   - The cipher list\n");
237         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
238         fprintf(stderr," -f            - Test even cases that can't work\n");
239         fprintf(stderr," -time         - measure processor time used by client and server\n");
240         fprintf(stderr," -zlib         - use zlib compression\n");
241         fprintf(stderr," -rle          - use rle compression\n");
242 #ifndef OPENSSL_NO_ECDH
243         fprintf(stderr," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
244                        "                 Use \"openssl ecparam -list_curves\" for all names\n"  \
245                        "                 (default is sect163r2).\n");
246 #endif
247         }
248
249 static void print_details(SSL *c_ssl, const char *prefix)
250         {
251         SSL_CIPHER *ciph;
252         X509 *cert;
253                 
254         ciph=SSL_get_current_cipher(c_ssl);
255         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
256                 prefix,
257                 SSL_get_version(c_ssl),
258                 SSL_CIPHER_get_version(ciph),
259                 SSL_CIPHER_get_name(ciph));
260         cert=SSL_get_peer_certificate(c_ssl);
261         if (cert != NULL)
262                 {
263                 EVP_PKEY *pkey = X509_get_pubkey(cert);
264                 if (pkey != NULL)
265                         {
266                         if (0) 
267                                 ;
268 #ifndef OPENSSL_NO_RSA
269                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
270                                 && pkey->pkey.rsa->n != NULL)
271                                 {
272                                 BIO_printf(bio_stdout, ", %d bit RSA",
273                                         BN_num_bits(pkey->pkey.rsa->n));
274                                 }
275 #endif
276 #ifndef OPENSSL_NO_DSA
277                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
278                                 && pkey->pkey.dsa->p != NULL)
279                                 {
280                                 BIO_printf(bio_stdout, ", %d bit DSA",
281                                         BN_num_bits(pkey->pkey.dsa->p));
282                                 }
283 #endif
284                         EVP_PKEY_free(pkey);
285                         }
286                 X509_free(cert);
287                 }
288         /* The SSL API does not allow us to look at temporary RSA/DH keys,
289          * otherwise we should print their lengths too */
290         BIO_printf(bio_stdout,"\n");
291         }
292
293 static void lock_dbg_cb(int mode, int type, const char *file, int line)
294         {
295         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
296         const char *errstr = NULL;
297         int rw;
298         
299         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
300         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
301                 {
302                 errstr = "invalid mode";
303                 goto err;
304                 }
305
306         if (type < 0 || type >= CRYPTO_NUM_LOCKS)
307                 {
308                 errstr = "type out of bounds";
309                 goto err;
310                 }
311
312         if (mode & CRYPTO_LOCK)
313                 {
314                 if (modes[type])
315                         {
316                         errstr = "already locked";
317                         /* must not happen in a single-threaded program
318                          * (would deadlock) */
319                         goto err;
320                         }
321
322                 modes[type] = rw;
323                 }
324         else if (mode & CRYPTO_UNLOCK)
325                 {
326                 if (!modes[type])
327                         {
328                         errstr = "not locked";
329                         goto err;
330                         }
331                 
332                 if (modes[type] != rw)
333                         {
334                         errstr = (rw == CRYPTO_READ) ?
335                                 "CRYPTO_r_unlock on write lock" :
336                                 "CRYPTO_w_unlock on read lock";
337                         }
338
339                 modes[type] = 0;
340                 }
341         else
342                 {
343                 errstr = "invalid mode";
344                 goto err;
345                 }
346
347  err:
348         if (errstr)
349                 {
350                 /* we cannot use bio_err here */
351                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
352                         errstr, mode, type, file, line);
353                 }
354         }
355
356 int main(int argc, char *argv[])
357         {
358         char *CApath=NULL,*CAfile=NULL;
359         int badop=0;
360         int bio_pair=0;
361         int force=0;
362         int tls1=0,ssl2=0,ssl3=0,ret=1;
363         int client_auth=0;
364         int server_auth=0,i;
365         int app_verify=0;
366         char *server_cert=TEST_SERVER_CERT;
367         char *server_key=NULL;
368         char *client_cert=TEST_CLIENT_CERT;
369         char *client_key=NULL;
370         char *named_curve = NULL;
371         SSL_CTX *s_ctx=NULL;
372         SSL_CTX *c_ctx=NULL;
373         SSL_METHOD *meth=NULL;
374         SSL *c_ssl,*s_ssl;
375         int number=1,reuse=0;
376         long bytes=256L;
377 #ifndef OPENSSL_NO_DH
378         DH *dh;
379         int dhe1024 = 0, dhe1024dsa = 0;
380 #endif
381 #ifndef OPENSSL_NO_ECDH
382         EC_KEY *ecdh = NULL;
383 #endif
384         int no_dhe = 0;
385         int no_ecdhe = 0;
386         int print_time = 0;
387         clock_t s_time = 0, c_time = 0;
388         int comp = 0;
389         COMP_METHOD *cm = NULL;
390         STACK_OF(SSL_COMP) *ssl_comp_methods = NULL;
391
392         verbose = 0;
393         debug = 0;
394         cipher = 0;
395
396         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 
397
398         CRYPTO_set_locking_callback(lock_dbg_cb);
399
400         /* enable memory leak checking unless explicitly disabled */
401         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
402                 {
403                 CRYPTO_malloc_debug_init();
404                 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
405                 }
406         else
407                 {
408                 /* OPENSSL_DEBUG_MEMORY=off */
409                 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
410                 }
411         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
412
413         RAND_seed(rnd_seed, sizeof rnd_seed);
414
415         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
416
417         argc--;
418         argv++;
419
420         while (argc >= 1)
421                 {
422                 if      (strcmp(*argv,"-server_auth") == 0)
423                         server_auth=1;
424                 else if (strcmp(*argv,"-client_auth") == 0)
425                         client_auth=1;
426                 else if (strcmp(*argv,"-v") == 0)
427                         verbose=1;
428                 else if (strcmp(*argv,"-d") == 0)
429                         debug=1;
430                 else if (strcmp(*argv,"-reuse") == 0)
431                         reuse=1;
432                 else if (strcmp(*argv,"-dhe1024") == 0)
433                         {
434 #ifndef OPENSSL_NO_DH
435                         dhe1024=1;
436 #else
437                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
438 #endif
439                         }
440                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
441                         {
442 #ifndef OPENSSL_NO_DH
443                         dhe1024dsa=1;
444 #else
445                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
446 #endif
447                         }
448                 else if (strcmp(*argv,"-no_dhe") == 0)
449                         no_dhe=1;
450                 else if (strcmp(*argv,"-no_ecdhe") == 0)
451                         no_ecdhe=1;
452                 else if (strcmp(*argv,"-ssl2") == 0)
453                         ssl2=1;
454                 else if (strcmp(*argv,"-tls1") == 0)
455                         tls1=1;
456                 else if (strcmp(*argv,"-ssl3") == 0)
457                         ssl3=1;
458                 else if (strncmp(*argv,"-num",4) == 0)
459                         {
460                         if (--argc < 1) goto bad;
461                         number= atoi(*(++argv));
462                         if (number == 0) number=1;
463                         }
464                 else if (strcmp(*argv,"-bytes") == 0)
465                         {
466                         if (--argc < 1) goto bad;
467                         bytes= atol(*(++argv));
468                         if (bytes == 0L) bytes=1L;
469                         i=strlen(argv[0]);
470                         if (argv[0][i-1] == 'k') bytes*=1024L;
471                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
472                         }
473                 else if (strcmp(*argv,"-cert") == 0)
474                         {
475                         if (--argc < 1) goto bad;
476                         server_cert= *(++argv);
477                         }
478                 else if (strcmp(*argv,"-s_cert") == 0)
479                         {
480                         if (--argc < 1) goto bad;
481                         server_cert= *(++argv);
482                         }
483                 else if (strcmp(*argv,"-key") == 0)
484                         {
485                         if (--argc < 1) goto bad;
486                         server_key= *(++argv);
487                         }
488                 else if (strcmp(*argv,"-s_key") == 0)
489                         {
490                         if (--argc < 1) goto bad;
491                         server_key= *(++argv);
492                         }
493                 else if (strcmp(*argv,"-c_cert") == 0)
494                         {
495                         if (--argc < 1) goto bad;
496                         client_cert= *(++argv);
497                         }
498                 else if (strcmp(*argv,"-c_key") == 0)
499                         {
500                         if (--argc < 1) goto bad;
501                         client_key= *(++argv);
502                         }
503                 else if (strcmp(*argv,"-cipher") == 0)
504                         {
505                         if (--argc < 1) goto bad;
506                         cipher= *(++argv);
507                         }
508                 else if (strcmp(*argv,"-CApath") == 0)
509                         {
510                         if (--argc < 1) goto bad;
511                         CApath= *(++argv);
512                         }
513                 else if (strcmp(*argv,"-CAfile") == 0)
514                         {
515                         if (--argc < 1) goto bad;
516                         CAfile= *(++argv);
517                         }
518                 else if (strcmp(*argv,"-bio_pair") == 0)
519                         {
520                         bio_pair = 1;
521                         }
522                 else if (strcmp(*argv,"-f") == 0)
523                         {
524                         force = 1;
525                         }
526                 else if (strcmp(*argv,"-time") == 0)
527                         {
528                         print_time = 1;
529                         }
530                 else if (strcmp(*argv,"-zlib") == 0)
531                         {
532                         comp = COMP_ZLIB;
533                         }
534                 else if (strcmp(*argv,"-rle") == 0)
535                         {
536                         comp = COMP_RLE;
537                         }
538                 else if (strcmp(*argv,"-named_curve") == 0)
539                         {
540                         if (--argc < 1) goto bad;
541 #ifndef OPENSSL_NO_ECDH         
542                         named_curve = *(++argv);
543 #else
544                         fprintf(stderr,"ignoring -named_curve, since I'm compiled without ECDH\n");
545                         ++argv;
546 #endif
547                         }
548                 else if (strcmp(*argv,"-app_verify") == 0)
549                         {
550                         app_verify = 1;
551                         }
552                 else
553                         {
554                         fprintf(stderr,"unknown option %s\n",*argv);
555                         badop=1;
556                         break;
557                         }
558                 argc--;
559                 argv++;
560                 }
561         if (badop)
562                 {
563 bad:
564                 sv_usage();
565                 goto end;
566                 }
567
568         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
569                 {
570                 fprintf(stderr, "This case cannot work.  Use -f to perform "
571                         "the test anyway (and\n-d to see what happens), "
572                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
573                         "to avoid protocol mismatch.\n");
574                 EXIT(1);
575                 }
576
577         if (print_time)
578                 {
579                 if (!bio_pair)
580                         {
581                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
582                         bio_pair = 1;
583                         }
584                 if (number < 50 && !force)
585                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
586                 }
587
588 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
589
590         SSL_library_init();
591         SSL_load_error_strings();
592
593         if (comp == COMP_ZLIB) cm = COMP_zlib();
594         if (comp == COMP_RLE) cm = COMP_rle();
595         if (cm != NULL)
596                 {
597                 if (cm->type != NID_undef)
598                         {
599                         if (SSL_COMP_add_compression_method(comp, cm) != 0)
600                                 {
601                                 fprintf(stderr,
602                                         "Failed to add compression method\n");
603                                 ERR_print_errors_fp(stderr);
604                                 }
605                         }
606                 else
607                         {
608                         fprintf(stderr,
609                                 "Warning: %s compression not supported\n",
610                                 (comp == COMP_RLE ? "rle" :
611                                         (comp == COMP_ZLIB ? "zlib" :
612                                                 "unknown")));
613                         ERR_print_errors_fp(stderr);
614                         }
615                 }
616         ssl_comp_methods = SSL_COMP_get_compression_methods();
617         fprintf(stderr, "Available compression methods:\n");
618         {
619         int j, n = sk_SSL_COMP_num(ssl_comp_methods);
620         if (n == 0)
621                 fprintf(stderr, "  NONE\n");
622         else
623                 for (j = 0; j < n; j++)
624                         {
625                         SSL_COMP *c = sk_SSL_COMP_value(ssl_comp_methods, j);
626                         fprintf(stderr, "  %d: %s\n", c->id, c->name);
627                         }
628         }
629
630 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
631         if (ssl2)
632                 meth=SSLv2_method();
633         else 
634         if (tls1)
635                 meth=TLSv1_method();
636         else
637         if (ssl3)
638                 meth=SSLv3_method();
639         else
640                 meth=SSLv23_method();
641 #else
642 #ifdef OPENSSL_NO_SSL2
643         meth=SSLv3_method();
644 #else
645         meth=SSLv2_method();
646 #endif
647 #endif
648
649         c_ctx=SSL_CTX_new(meth);
650         s_ctx=SSL_CTX_new(meth);
651         if ((c_ctx == NULL) || (s_ctx == NULL))
652                 {
653                 ERR_print_errors(bio_err);
654                 goto end;
655                 }
656
657         if (cipher != NULL)
658                 {
659                 SSL_CTX_set_cipher_list(c_ctx,cipher);
660                 SSL_CTX_set_cipher_list(s_ctx,cipher);
661                 }
662
663 #ifndef OPENSSL_NO_DH
664         if (!no_dhe)
665                 {
666                 if (dhe1024dsa)
667                         {
668                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
669                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
670                         dh=get_dh1024dsa();
671                         }
672                 else if (dhe1024)
673                         dh=get_dh1024();
674                 else
675                         dh=get_dh512();
676                 SSL_CTX_set_tmp_dh(s_ctx,dh);
677                 DH_free(dh);
678                 }
679 #else
680         (void)no_dhe;
681 #endif
682
683 #ifndef OPENSSL_NO_ECDH
684         if (!no_ecdhe)
685                 {
686                 ecdh = EC_KEY_new();
687                 if (ecdh != NULL)
688                         {
689                         if (named_curve)
690                                 {
691                                 int nid = OBJ_sn2nid(named_curve);
692
693                                 if (nid == 0)
694                                         {
695                                         BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve);
696                                         EC_KEY_free(ecdh);
697                                         goto end;
698                                         }
699
700                                 ecdh->group = EC_GROUP_new_by_nid(nid);
701                                 if (ecdh->group == NULL)
702                                         {
703                                         BIO_printf(bio_err, "unable to create curve (%s)\n", named_curve);
704                                         EC_KEY_free(ecdh);
705                                         goto end;
706                                         }
707                                 }
708                         
709                         if (ecdh->group == NULL)
710                                 ecdh->group=EC_GROUP_new_by_nid(NID_sect163r2);
711
712                         SSL_CTX_set_tmp_ecdh(s_ctx, ecdh);
713                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_ECDH_USE);
714                         EC_KEY_free(ecdh);
715                         }
716                 }
717 #else
718         (void)no_ecdhe;
719 #endif
720
721 #ifndef OPENSSL_NO_RSA
722         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
723 #endif
724
725         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
726                 {
727                 ERR_print_errors(bio_err);
728                 }
729         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
730                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
731                 {
732                 ERR_print_errors(bio_err);
733                 goto end;
734                 }
735
736         if (client_auth)
737                 {
738                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
739                         SSL_FILETYPE_PEM);
740                 SSL_CTX_use_PrivateKey_file(c_ctx,
741                         (client_key?client_key:client_cert),
742                         SSL_FILETYPE_PEM);
743                 }
744
745         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
746                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
747                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
748                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
749                 {
750                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
751                 ERR_print_errors(bio_err);
752                 /* goto end; */
753                 }
754
755         if (client_auth)
756                 {
757                 BIO_printf(bio_err,"client authentication\n");
758                 SSL_CTX_set_verify(s_ctx,
759                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
760                         verify_callback);
761                 if (app_verify) 
762                         {
763                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
764                         }
765                 }
766         if (server_auth)
767                 {
768                 BIO_printf(bio_err,"server authentication\n");
769                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
770                         verify_callback);
771                 if (app_verify) 
772                         {
773                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
774                         }
775                 }
776         
777         {
778                 int session_id_context = 0;
779                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
780         }
781
782         c_ssl=SSL_new(c_ctx);
783         s_ssl=SSL_new(s_ctx);
784
785 #ifndef OPENSSL_NO_KRB5
786         if (c_ssl  &&  c_ssl->kssl_ctx)
787                 {
788                 char    localhost[MAXHOSTNAMELEN+2];
789
790                 if (gethostname(localhost, sizeof localhost-1) == 0)
791                         {
792                         localhost[sizeof localhost-1]='\0';
793                         if(strlen(localhost) == sizeof localhost-1)
794                                 {
795                                 BIO_printf(bio_err,"localhost name too long\n");
796                                 goto end;
797                                 }
798                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
799                                 localhost);
800                         }
801                 }
802 #endif    /* OPENSSL_NO_KRB5  */
803
804         for (i=0; i<number; i++)
805                 {
806                 if (!reuse) SSL_set_session(c_ssl,NULL);
807                 if (bio_pair)
808                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
809                 else
810                         ret=doit(s_ssl,c_ssl,bytes);
811                 }
812
813         if (!verbose)
814                 {
815                 print_details(c_ssl, "");
816                 }
817         if ((number > 1) || (bytes > 1L))
818                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
819         if (print_time)
820                 {
821 #ifdef CLOCKS_PER_SEC
822                 /* "To determine the time in seconds, the value returned
823                  * by the clock function should be divided by the value
824                  * of the macro CLOCKS_PER_SEC."
825                  *                                       -- ISO/IEC 9899 */
826                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
827                         "Approximate total client time: %6.2f s\n",
828                         (double)s_time/CLOCKS_PER_SEC,
829                         (double)c_time/CLOCKS_PER_SEC);
830 #else
831                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
832                  *                            -- cc on NeXTstep/OpenStep */
833                 BIO_printf(bio_stdout,
834                         "Approximate total server time: %6.2f units\n"
835                         "Approximate total client time: %6.2f units\n",
836                         (double)s_time,
837                         (double)c_time);
838 #endif
839                 }
840
841         SSL_free(s_ssl);
842         SSL_free(c_ssl);
843
844 end:
845         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
846         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
847
848         if (bio_stdout != NULL) BIO_free(bio_stdout);
849
850 #ifndef OPENSSL_NO_RSA
851         free_tmp_rsa();
852 #endif
853 #ifndef OPENSSL_NO_ENGINE
854         ENGINE_cleanup();
855 #endif
856         CRYPTO_cleanup_all_ex_data();
857         ERR_free_strings();
858         ERR_remove_state(0);
859         EVP_cleanup();
860         CRYPTO_mem_leaks(bio_err);
861         if (bio_err != NULL) BIO_free(bio_err);
862         EXIT(ret);
863         }
864
865 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
866         clock_t *s_time, clock_t *c_time)
867         {
868         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
869         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
870         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
871         int ret = 1;
872         
873         size_t bufsiz = 256; /* small buffer for testing */
874
875         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
876                 goto err;
877         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
878                 goto err;
879         
880         s_ssl_bio = BIO_new(BIO_f_ssl());
881         if (!s_ssl_bio)
882                 goto err;
883
884         c_ssl_bio = BIO_new(BIO_f_ssl());
885         if (!c_ssl_bio)
886                 goto err;
887
888         SSL_set_connect_state(c_ssl);
889         SSL_set_bio(c_ssl, client, client);
890         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
891
892         SSL_set_accept_state(s_ssl);
893         SSL_set_bio(s_ssl, server, server);
894         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
895
896         do
897                 {
898                 /* c_ssl_bio:          SSL filter BIO
899                  *
900                  * client:             pseudo-I/O for SSL library
901                  *
902                  * client_io:          client's SSL communication; usually to be
903                  *                     relayed over some I/O facility, but in this
904                  *                     test program, we're the server, too:
905                  *
906                  * server_io:          server's SSL communication
907                  *
908                  * server:             pseudo-I/O for SSL library
909                  *
910                  * s_ssl_bio:          SSL filter BIO
911                  *
912                  * The client and the server each employ a "BIO pair":
913                  * client + client_io, server + server_io.
914                  * BIO pairs are symmetric.  A BIO pair behaves similar
915                  * to a non-blocking socketpair (but both endpoints must
916                  * be handled by the same thread).
917                  * [Here we could connect client and server to the ends
918                  * of a single BIO pair, but then this code would be less
919                  * suitable as an example for BIO pairs in general.]
920                  *
921                  * Useful functions for querying the state of BIO pair endpoints:
922                  *
923                  * BIO_ctrl_pending(bio)              number of bytes we can read now
924                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
925                  *                                      other side's read attempt
926                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
927                  *
928                  * ..._read_request is never more than ..._write_guarantee;
929                  * it depends on the application which one you should use.
930                  */
931
932                 /* We have non-blocking behaviour throughout this test program, but
933                  * can be sure that there is *some* progress in each iteration; so
934                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
935                  * -- we just try everything in each iteration
936                  */
937
938                         {
939                         /* CLIENT */
940                 
941                         MS_STATIC char cbuf[1024*8];
942                         int i, r;
943                         clock_t c_clock = clock();
944
945                         memset(cbuf, 0, sizeof(cbuf));
946
947                         if (debug)
948                                 if (SSL_in_init(c_ssl))
949                                         printf("client waiting in SSL_connect - %s\n",
950                                                 SSL_state_string_long(c_ssl));
951
952                         if (cw_num > 0)
953                                 {
954                                 /* Write to server. */
955                                 
956                                 if (cw_num > (long)sizeof cbuf)
957                                         i = sizeof cbuf;
958                                 else
959                                         i = (int)cw_num;
960                                 r = BIO_write(c_ssl_bio, cbuf, i);
961                                 if (r < 0)
962                                         {
963                                         if (!BIO_should_retry(c_ssl_bio))
964                                                 {
965                                                 fprintf(stderr,"ERROR in CLIENT\n");
966                                                 goto err;
967                                                 }
968                                         /* BIO_should_retry(...) can just be ignored here.
969                                          * The library expects us to call BIO_write with
970                                          * the same arguments again, and that's what we will
971                                          * do in the next iteration. */
972                                         }
973                                 else if (r == 0)
974                                         {
975                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
976                                         goto err;
977                                         }
978                                 else
979                                         {
980                                         if (debug)
981                                                 printf("client wrote %d\n", r);
982                                         cw_num -= r;                            
983                                         }
984                                 }
985
986                         if (cr_num > 0)
987                                 {
988                                 /* Read from server. */
989
990                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
991                                 if (r < 0)
992                                         {
993                                         if (!BIO_should_retry(c_ssl_bio))
994                                                 {
995                                                 fprintf(stderr,"ERROR in CLIENT\n");
996                                                 goto err;
997                                                 }
998                                         /* Again, "BIO_should_retry" can be ignored. */
999                                         }
1000                                 else if (r == 0)
1001                                         {
1002                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1003                                         goto err;
1004                                         }
1005                                 else
1006                                         {
1007                                         if (debug)
1008                                                 printf("client read %d\n", r);
1009                                         cr_num -= r;
1010                                         }
1011                                 }
1012
1013                         /* c_time and s_time increments will typically be very small
1014                          * (depending on machine speed and clock tick intervals),
1015                          * but sampling over a large number of connections should
1016                          * result in fairly accurate figures.  We cannot guarantee
1017                          * a lot, however -- if each connection lasts for exactly
1018                          * one clock tick, it will be counted only for the client
1019                          * or only for the server or even not at all.
1020                          */
1021                         *c_time += (clock() - c_clock);
1022                         }
1023
1024                         {
1025                         /* SERVER */
1026                 
1027                         MS_STATIC char sbuf[1024*8];
1028                         int i, r;
1029                         clock_t s_clock = clock();
1030
1031                         memset(sbuf, 0, sizeof(sbuf));
1032
1033                         if (debug)
1034                                 if (SSL_in_init(s_ssl))
1035                                         printf("server waiting in SSL_accept - %s\n",
1036                                                 SSL_state_string_long(s_ssl));
1037
1038                         if (sw_num > 0)
1039                                 {
1040                                 /* Write to client. */
1041                                 
1042                                 if (sw_num > (long)sizeof sbuf)
1043                                         i = sizeof sbuf;
1044                                 else
1045                                         i = (int)sw_num;
1046                                 r = BIO_write(s_ssl_bio, sbuf, i);
1047                                 if (r < 0)
1048                                         {
1049                                         if (!BIO_should_retry(s_ssl_bio))
1050                                                 {
1051                                                 fprintf(stderr,"ERROR in SERVER\n");
1052                                                 goto err;
1053                                                 }
1054                                         /* Ignore "BIO_should_retry". */
1055                                         }
1056                                 else if (r == 0)
1057                                         {
1058                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1059                                         goto err;
1060                                         }
1061                                 else
1062                                         {
1063                                         if (debug)
1064                                                 printf("server wrote %d\n", r);
1065                                         sw_num -= r;                            
1066                                         }
1067                                 }
1068
1069                         if (sr_num > 0)
1070                                 {
1071                                 /* Read from client. */
1072
1073                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
1074                                 if (r < 0)
1075                                         {
1076                                         if (!BIO_should_retry(s_ssl_bio))
1077                                                 {
1078                                                 fprintf(stderr,"ERROR in SERVER\n");
1079                                                 goto err;
1080                                                 }
1081                                         /* blah, blah */
1082                                         }
1083                                 else if (r == 0)
1084                                         {
1085                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1086                                         goto err;
1087                                         }
1088                                 else
1089                                         {
1090                                         if (debug)
1091                                                 printf("server read %d\n", r);
1092                                         sr_num -= r;
1093                                         }
1094                                 }
1095
1096                         *s_time += (clock() - s_clock);
1097                         }
1098                         
1099                         {
1100                         /* "I/O" BETWEEN CLIENT AND SERVER. */
1101
1102                         size_t r1, r2;
1103                         BIO *io1 = server_io, *io2 = client_io;
1104                         /* we use the non-copying interface for io1
1105                          * and the standard BIO_write/BIO_read interface for io2
1106                          */
1107                         
1108                         static int prev_progress = 1;
1109                         int progress = 0;
1110                         
1111                         /* io1 to io2 */
1112                         do
1113                                 {
1114                                 size_t num;
1115                                 int r;
1116
1117                                 r1 = BIO_ctrl_pending(io1);
1118                                 r2 = BIO_ctrl_get_write_guarantee(io2);
1119
1120                                 num = r1;
1121                                 if (r2 < num)
1122                                         num = r2;
1123                                 if (num)
1124                                         {
1125                                         char *dataptr;
1126
1127                                         if (INT_MAX < num) /* yeah, right */
1128                                                 num = INT_MAX;
1129                                         
1130                                         r = BIO_nread(io1, &dataptr, (int)num);
1131                                         assert(r > 0);
1132                                         assert(r <= (int)num);
1133                                         /* possibly r < num (non-contiguous data) */
1134                                         num = r;
1135                                         r = BIO_write(io2, dataptr, (int)num);
1136                                         if (r != (int)num) /* can't happen */
1137                                                 {
1138                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1139                                                         "BIO_ctrl_get_write_guarantee() bytes");
1140                                                 goto err;
1141                                                 }
1142                                         progress = 1;
1143
1144                                         if (debug)
1145                                                 printf((io1 == client_io) ?
1146                                                         "C->S relaying: %d bytes\n" :
1147                                                         "S->C relaying: %d bytes\n",
1148                                                         (int)num);
1149                                         }
1150                                 }
1151                         while (r1 && r2);
1152
1153                         /* io2 to io1 */
1154                         {
1155                                 size_t num;
1156                                 int r;
1157
1158                                 r1 = BIO_ctrl_pending(io2);
1159                                 r2 = BIO_ctrl_get_read_request(io1);
1160                                 /* here we could use ..._get_write_guarantee instead of
1161                                  * ..._get_read_request, but by using the latter
1162                                  * we test restartability of the SSL implementation
1163                                  * more thoroughly */
1164                                 num = r1;
1165                                 if (r2 < num)
1166                                         num = r2;
1167                                 if (num)
1168                                         {
1169                                         char *dataptr;
1170                                         
1171                                         if (INT_MAX < num)
1172                                                 num = INT_MAX;
1173
1174                                         if (num > 1)
1175                                                 --num; /* test restartability even more thoroughly */
1176                                         
1177                                         r = BIO_nwrite0(io1, &dataptr);
1178                                         assert(r > 0);
1179                                         if (r < (int)num)
1180                                                 num = r;
1181                                         r = BIO_read(io2, dataptr, (int)num);
1182                                         if (r != (int)num) /* can't happen */
1183                                                 {
1184                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1185                                                         "BIO_ctrl_pending() bytes");
1186                                                 goto err;
1187                                                 }
1188                                         progress = 1;
1189                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1190                                         if (r != (int)num) /* can't happen */
1191                                                 {
1192                                                 fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
1193                                                         "BIO_nwrite0() bytes");
1194                                                 goto err;
1195                                                 }
1196                                         
1197                                         if (debug)
1198                                                 printf((io2 == client_io) ?
1199                                                         "C->S relaying: %d bytes\n" :
1200                                                         "S->C relaying: %d bytes\n",
1201                                                         (int)num);
1202                                         }
1203                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1204
1205                         if (!progress && !prev_progress)
1206                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1207                                         {
1208                                         fprintf(stderr, "ERROR: got stuck\n");
1209                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1210                                                 {
1211                                                 fprintf(stderr, "This can happen for SSL2 because "
1212                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1213                                                         "concurrently ...");
1214                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1215                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1216                                                         {
1217                                                         fprintf(stderr, " ok.\n");
1218                                                         goto end;
1219                                                         }
1220                                                 }
1221                                         fprintf(stderr, " ERROR.\n");
1222                                         goto err;
1223                                         }
1224                         prev_progress = progress;
1225                         }
1226                 }
1227         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1228
1229         if (verbose)
1230                 print_details(c_ssl, "DONE via BIO pair: ");
1231 end:
1232         ret = 0;
1233
1234  err:
1235         ERR_print_errors(bio_err);
1236         
1237         if (server)
1238                 BIO_free(server);
1239         if (server_io)
1240                 BIO_free(server_io);
1241         if (client)
1242                 BIO_free(client);
1243         if (client_io)
1244                 BIO_free(client_io);
1245         if (s_ssl_bio)
1246                 BIO_free(s_ssl_bio);
1247         if (c_ssl_bio)
1248                 BIO_free(c_ssl_bio);
1249
1250         return ret;
1251         }
1252
1253
1254 #define W_READ  1
1255 #define W_WRITE 2
1256 #define C_DONE  1
1257 #define S_DONE  2
1258
1259 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1260         {
1261         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1262         long cw_num=count,cr_num=count;
1263         long sw_num=count,sr_num=count;
1264         int ret=1;
1265         BIO *c_to_s=NULL;
1266         BIO *s_to_c=NULL;
1267         BIO *c_bio=NULL;
1268         BIO *s_bio=NULL;
1269         int c_r,c_w,s_r,s_w;
1270         int c_want,s_want;
1271         int i,j;
1272         int done=0;
1273         int c_write,s_write;
1274         int do_server=0,do_client=0;
1275
1276         memset(cbuf,0,sizeof(cbuf));
1277         memset(sbuf,0,sizeof(sbuf));
1278
1279         c_to_s=BIO_new(BIO_s_mem());
1280         s_to_c=BIO_new(BIO_s_mem());
1281         if ((s_to_c == NULL) || (c_to_s == NULL))
1282                 {
1283                 ERR_print_errors(bio_err);
1284                 goto err;
1285                 }
1286
1287         c_bio=BIO_new(BIO_f_ssl());
1288         s_bio=BIO_new(BIO_f_ssl());
1289         if ((c_bio == NULL) || (s_bio == NULL))
1290                 {
1291                 ERR_print_errors(bio_err);
1292                 goto err;
1293                 }
1294
1295         SSL_set_connect_state(c_ssl);
1296         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1297         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1298
1299         SSL_set_accept_state(s_ssl);
1300         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1301         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1302
1303         c_r=0; s_r=1;
1304         c_w=1; s_w=0;
1305         c_want=W_WRITE;
1306         s_want=0;
1307         c_write=1,s_write=0;
1308
1309         /* We can always do writes */
1310         for (;;)
1311                 {
1312                 do_server=0;
1313                 do_client=0;
1314
1315                 i=(int)BIO_pending(s_bio);
1316                 if ((i && s_r) || s_w) do_server=1;
1317
1318                 i=(int)BIO_pending(c_bio);
1319                 if ((i && c_r) || c_w) do_client=1;
1320
1321                 if (do_server && debug)
1322                         {
1323                         if (SSL_in_init(s_ssl))
1324                                 printf("server waiting in SSL_accept - %s\n",
1325                                         SSL_state_string_long(s_ssl));
1326 /*                      else if (s_write)
1327                                 printf("server:SSL_write()\n");
1328                         else
1329                                 printf("server:SSL_read()\n"); */
1330                         }
1331
1332                 if (do_client && debug)
1333                         {
1334                         if (SSL_in_init(c_ssl))
1335                                 printf("client waiting in SSL_connect - %s\n",
1336                                         SSL_state_string_long(c_ssl));
1337 /*                      else if (c_write)
1338                                 printf("client:SSL_write()\n");
1339                         else
1340                                 printf("client:SSL_read()\n"); */
1341                         }
1342
1343                 if (!do_client && !do_server)
1344                         {
1345                         fprintf(stdout,"ERROR IN STARTUP\n");
1346                         ERR_print_errors(bio_err);
1347                         break;
1348                         }
1349                 if (do_client && !(done & C_DONE))
1350                         {
1351                         if (c_write)
1352                                 {
1353                                 j=(cw_num > (long)sizeof(cbuf))
1354                                         ?sizeof(cbuf):(int)cw_num;
1355                                 i=BIO_write(c_bio,cbuf,j);
1356                                 if (i < 0)
1357                                         {
1358                                         c_r=0;
1359                                         c_w=0;
1360                                         if (BIO_should_retry(c_bio))
1361                                                 {
1362                                                 if (BIO_should_read(c_bio))
1363                                                         c_r=1;
1364                                                 if (BIO_should_write(c_bio))
1365                                                         c_w=1;
1366                                                 }
1367                                         else
1368                                                 {
1369                                                 fprintf(stderr,"ERROR in CLIENT\n");
1370                                                 ERR_print_errors(bio_err);
1371                                                 goto err;
1372                                                 }
1373                                         }
1374                                 else if (i == 0)
1375                                         {
1376                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1377                                         goto err;
1378                                         }
1379                                 else
1380                                         {
1381                                         if (debug)
1382                                                 printf("client wrote %d\n",i);
1383                                         /* ok */
1384                                         s_r=1;
1385                                         c_write=0;
1386                                         cw_num-=i;
1387                                         }
1388                                 }
1389                         else
1390                                 {
1391                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1392                                 if (i < 0)
1393                                         {
1394                                         c_r=0;
1395                                         c_w=0;
1396                                         if (BIO_should_retry(c_bio))
1397                                                 {
1398                                                 if (BIO_should_read(c_bio))
1399                                                         c_r=1;
1400                                                 if (BIO_should_write(c_bio))
1401                                                         c_w=1;
1402                                                 }
1403                                         else
1404                                                 {
1405                                                 fprintf(stderr,"ERROR in CLIENT\n");
1406                                                 ERR_print_errors(bio_err);
1407                                                 goto err;
1408                                                 }
1409                                         }
1410                                 else if (i == 0)
1411                                         {
1412                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1413                                         goto err;
1414                                         }
1415                                 else
1416                                         {
1417                                         if (debug)
1418                                                 printf("client read %d\n",i);
1419                                         cr_num-=i;
1420                                         if (sw_num > 0)
1421                                                 {
1422                                                 s_write=1;
1423                                                 s_w=1;
1424                                                 }
1425                                         if (cr_num <= 0)
1426                                                 {
1427                                                 s_write=1;
1428                                                 s_w=1;
1429                                                 done=S_DONE|C_DONE;
1430                                                 }
1431                                         }
1432                                 }
1433                         }
1434
1435                 if (do_server && !(done & S_DONE))
1436                         {
1437                         if (!s_write)
1438                                 {
1439                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1440                                 if (i < 0)
1441                                         {
1442                                         s_r=0;
1443                                         s_w=0;
1444                                         if (BIO_should_retry(s_bio))
1445                                                 {
1446                                                 if (BIO_should_read(s_bio))
1447                                                         s_r=1;
1448                                                 if (BIO_should_write(s_bio))
1449                                                         s_w=1;
1450                                                 }
1451                                         else
1452                                                 {
1453                                                 fprintf(stderr,"ERROR in SERVER\n");
1454                                                 ERR_print_errors(bio_err);
1455                                                 goto err;
1456                                                 }
1457                                         }
1458                                 else if (i == 0)
1459                                         {
1460                                         ERR_print_errors(bio_err);
1461                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1462                                         goto err;
1463                                         }
1464                                 else
1465                                         {
1466                                         if (debug)
1467                                                 printf("server read %d\n",i);
1468                                         sr_num-=i;
1469                                         if (cw_num > 0)
1470                                                 {
1471                                                 c_write=1;
1472                                                 c_w=1;
1473                                                 }
1474                                         if (sr_num <= 0)
1475                                                 {
1476                                                 s_write=1;
1477                                                 s_w=1;
1478                                                 c_write=0;
1479                                                 }
1480                                         }
1481                                 }
1482                         else
1483                                 {
1484                                 j=(sw_num > (long)sizeof(sbuf))?
1485                                         sizeof(sbuf):(int)sw_num;
1486                                 i=BIO_write(s_bio,sbuf,j);
1487                                 if (i < 0)
1488                                         {
1489                                         s_r=0;
1490                                         s_w=0;
1491                                         if (BIO_should_retry(s_bio))
1492                                                 {
1493                                                 if (BIO_should_read(s_bio))
1494                                                         s_r=1;
1495                                                 if (BIO_should_write(s_bio))
1496                                                         s_w=1;
1497                                                 }
1498                                         else
1499                                                 {
1500                                                 fprintf(stderr,"ERROR in SERVER\n");
1501                                                 ERR_print_errors(bio_err);
1502                                                 goto err;
1503                                                 }
1504                                         }
1505                                 else if (i == 0)
1506                                         {
1507                                         ERR_print_errors(bio_err);
1508                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1509                                         goto err;
1510                                         }
1511                                 else
1512                                         {
1513                                         if (debug)
1514                                                 printf("server wrote %d\n",i);
1515                                         sw_num-=i;
1516                                         s_write=0;
1517                                         c_r=1;
1518                                         if (sw_num <= 0)
1519                                                 done|=S_DONE;
1520                                         }
1521                                 }
1522                         }
1523
1524                 if ((done & S_DONE) && (done & C_DONE)) break;
1525                 }
1526
1527         if (verbose)
1528                 print_details(c_ssl, "DONE: ");
1529         ret=0;
1530 err:
1531         /* We have to set the BIO's to NULL otherwise they will be
1532          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1533          * again when c_ssl is SSL_free()ed.
1534          * This is a hack required because s_ssl and c_ssl are sharing the same
1535          * BIO structure and SSL_set_bio() and SSL_free() automatically
1536          * BIO_free non NULL entries.
1537          * You should not normally do this or be required to do this */
1538         if (s_ssl != NULL)
1539                 {
1540                 s_ssl->rbio=NULL;
1541                 s_ssl->wbio=NULL;
1542                 }
1543         if (c_ssl != NULL)
1544                 {
1545                 c_ssl->rbio=NULL;
1546                 c_ssl->wbio=NULL;
1547                 }
1548
1549         if (c_to_s != NULL) BIO_free(c_to_s);
1550         if (s_to_c != NULL) BIO_free(s_to_c);
1551         if (c_bio != NULL) BIO_free_all(c_bio);
1552         if (s_bio != NULL) BIO_free_all(s_bio);
1553         return(ret);
1554         }
1555
1556 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1557         {
1558         char *s,buf[256];
1559
1560         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,
1561                             sizeof buf);
1562         if (s != NULL)
1563                 {
1564                 if (ok)
1565                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1566                 else
1567                         fprintf(stderr,"depth=%d error=%d %s\n",
1568                                 ctx->error_depth,ctx->error,buf);
1569                 }
1570
1571         if (ok == 0)
1572                 {
1573                 switch (ctx->error)
1574                         {
1575                 case X509_V_ERR_CERT_NOT_YET_VALID:
1576                 case X509_V_ERR_CERT_HAS_EXPIRED:
1577                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1578                         ok=1;
1579                         }
1580                 }
1581
1582         return(ok);
1583         }
1584
1585 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
1586         {
1587         char *s = NULL,buf[256];
1588         int ok=1;
1589
1590         fprintf(stderr, "In app_verify_callback, allowing cert. ");
1591         fprintf(stderr, "Arg is: %s\n", (char *)arg);
1592         fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
1593                         (unsigned int)ctx, (unsigned int)ctx->cert);
1594         if (ctx->cert)
1595                 s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
1596         if (s != NULL)
1597                 {
1598                         fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
1599                 }
1600
1601         return(ok);
1602         }
1603
1604 #ifndef OPENSSL_NO_RSA
1605 static RSA *rsa_tmp=NULL;
1606
1607 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1608         {
1609         if (rsa_tmp == NULL)
1610                 {
1611                 rsa_tmp = RSA_new();
1612                 if(!rsa_tmp)
1613                         {
1614                         BIO_printf(bio_err, "Memory error...");
1615                         goto end;
1616                         }
1617                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1618                 (void)BIO_flush(bio_err);
1619                 if(!RSA_generate_key_ex(rsa_tmp,keylength,RSA_F4,NULL))
1620                         {
1621                         BIO_printf(bio_err, "Error generating key.");
1622                         RSA_free(rsa_tmp);
1623                         rsa_tmp = NULL;
1624                         }
1625 end:
1626                 BIO_printf(bio_err,"\n");
1627                 (void)BIO_flush(bio_err);
1628                 }
1629         return(rsa_tmp);
1630         }
1631
1632 static void free_tmp_rsa(void)
1633         {
1634         if (rsa_tmp != NULL)
1635                 {
1636                 RSA_free(rsa_tmp);
1637                 rsa_tmp = NULL;
1638                 }
1639         }
1640 #endif
1641
1642 #ifndef OPENSSL_NO_DH
1643 /* These DH parameters have been generated as follows:
1644  *    $ openssl dhparam -C -noout 512
1645  *    $ openssl dhparam -C -noout 1024
1646  *    $ openssl dhparam -C -noout -dsaparam 1024
1647  * (The third function has been renamed to avoid name conflicts.)
1648  */
1649 static DH *get_dh512()
1650         {
1651         static unsigned char dh512_p[]={
1652                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1653                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1654                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1655                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1656                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1657                 0x02,0xC5,0xAE,0x23,
1658                 };
1659         static unsigned char dh512_g[]={
1660                 0x02,
1661                 };
1662         DH *dh;
1663
1664         if ((dh=DH_new()) == NULL) return(NULL);
1665         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1666         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1667         if ((dh->p == NULL) || (dh->g == NULL))
1668                 { DH_free(dh); return(NULL); }
1669         return(dh);
1670         }
1671
1672 static DH *get_dh1024()
1673         {
1674         static unsigned char dh1024_p[]={
1675                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1676                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1677                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1678                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1679                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1680                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1681                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1682                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1683                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1684                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1685                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1686                 };
1687         static unsigned char dh1024_g[]={
1688                 0x02,
1689                 };
1690         DH *dh;
1691
1692         if ((dh=DH_new()) == NULL) return(NULL);
1693         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1694         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1695         if ((dh->p == NULL) || (dh->g == NULL))
1696                 { DH_free(dh); return(NULL); }
1697         return(dh);
1698         }
1699
1700 static DH *get_dh1024dsa()
1701         {
1702         static unsigned char dh1024_p[]={
1703                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1704                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1705                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1706                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1707                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1708                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1709                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1710                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1711                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1712                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1713                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1714                 };
1715         static unsigned char dh1024_g[]={
1716                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1717                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1718                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1719                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1720                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1721                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1722                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1723                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1724                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1725                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1726                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1727                 };
1728         DH *dh;
1729
1730         if ((dh=DH_new()) == NULL) return(NULL);
1731         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1732         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1733         if ((dh->p == NULL) || (dh->g == NULL))
1734                 { DH_free(dh); return(NULL); }
1735         dh->length = 160;
1736         return(dh);
1737         }
1738 #endif