aadfd899d08b6ca79dfa9ec4362dbd60aa1c60e0
[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 #include <openssl/rsa.h>
142 #include <openssl/dsa.h>
143 #include <openssl/dh.h>
144
145 #define _XOPEN_SOURCE_EXTENDED  1 /* Or gethostname won't be declared properly
146                                      on Compaq platforms (at least with DEC C).
147                                      Do not try to put it earlier, or IPv6 includes
148                                      get screwed...
149                                   */
150
151 #ifdef OPENSSL_SYS_WINDOWS
152 #include <winsock.h>
153 #else
154 #include OPENSSL_UNISTD
155 #endif
156
157 #ifdef OPENSSL_SYS_VMS
158 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
159 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
160 #elif defined(OPENSSL_SYS_WINCE)
161 #  define TEST_SERVER_CERT "\\OpenSSL\\server.pem"
162 #  define TEST_CLIENT_CERT "\\OpenSSL\\client.pem"
163 #elif defined(OPENSSL_SYS_NETWARE)
164 #  define TEST_SERVER_CERT "\\openssl\\apps\\server.pem"
165 #  define TEST_CLIENT_CERT "\\openssl\\apps\\client.pem"
166 #else
167 #  define TEST_SERVER_CERT "../apps/server.pem"
168 #  define TEST_CLIENT_CERT "../apps/client.pem"
169 #endif
170
171 /* There is really no standard for this, so let's assign some tentative
172    numbers.  In any case, these numbers are only for this test */
173 #define COMP_RLE        255
174 #define COMP_ZLIB       1
175
176 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
177 #ifndef OPENSSL_NO_RSA
178 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
179 static void free_tmp_rsa(void);
180 #endif
181 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg);
182 #define APP_CALLBACK "Test Callback Argument"
183 static char *app_verify_arg = APP_CALLBACK;
184
185 #ifndef OPENSSL_NO_DH
186 static DH *get_dh512(void);
187 static DH *get_dh1024(void);
188 static DH *get_dh1024dsa(void);
189 #endif
190
191 static BIO *bio_err=NULL;
192 static BIO *bio_stdout=NULL;
193
194 static char *cipher=NULL;
195 static int verbose=0;
196 static int debug=0;
197 #if 0
198 /* Not used yet. */
199 #ifdef FIONBIO
200 static int s_nbio=0;
201 #endif
202 #endif
203
204 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
205
206 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
207 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
208 static void sv_usage(void)
209         {
210         fprintf(stderr,"usage: ssltest [args ...]\n");
211         fprintf(stderr,"\n");
212         fprintf(stderr," -server_auth  - check server certificate\n");
213         fprintf(stderr," -client_auth  - do client authentication\n");
214         fprintf(stderr," -v            - more output\n");
215         fprintf(stderr," -d            - debug output\n");
216         fprintf(stderr," -reuse        - use session-id reuse\n");
217         fprintf(stderr," -num <val>    - number of connections to perform\n");
218         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
219 #ifndef OPENSSL_NO_DH
220         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
221         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
222         fprintf(stderr," -no_dhe       - disable DHE\n");
223 #endif
224 #ifndef OPENSSL_NO_ECDH
225         fprintf(stderr," -no_ecdhe     - disable ECDHE\n");
226 #endif
227 #ifndef OPENSSL_NO_SSL2
228         fprintf(stderr," -ssl2         - use SSLv2\n");
229 #endif
230 #ifndef OPENSSL_NO_SSL3
231         fprintf(stderr," -ssl3         - use SSLv3\n");
232 #endif
233 #ifndef OPENSSL_NO_TLS1
234         fprintf(stderr," -tls1         - use TLSv1\n");
235 #endif
236         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
237         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
238         fprintf(stderr," -cert arg     - Server certificate file\n");
239         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
240         fprintf(stderr," -c_cert arg   - Client certificate file\n");
241         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
242         fprintf(stderr," -cipher arg   - The cipher list\n");
243         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
244         fprintf(stderr," -f            - Test even cases that can't work\n");
245         fprintf(stderr," -time         - measure processor time used by client and server\n");
246         fprintf(stderr," -zlib         - use zlib compression\n");
247         fprintf(stderr," -rle          - use rle compression\n");
248 #ifndef OPENSSL_NO_ECDH
249         fprintf(stderr," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
250                        "                 Use \"openssl ecparam -list_curves\" for all names\n"  \
251                        "                 (default is sect163r2).\n");
252 #endif
253         }
254
255 static void print_details(SSL *c_ssl, const char *prefix)
256         {
257         SSL_CIPHER *ciph;
258         X509 *cert;
259                 
260         ciph=SSL_get_current_cipher(c_ssl);
261         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
262                 prefix,
263                 SSL_get_version(c_ssl),
264                 SSL_CIPHER_get_version(ciph),
265                 SSL_CIPHER_get_name(ciph));
266         cert=SSL_get_peer_certificate(c_ssl);
267         if (cert != NULL)
268                 {
269                 EVP_PKEY *pkey = X509_get_pubkey(cert);
270                 if (pkey != NULL)
271                         {
272                         if (0) 
273                                 ;
274 #ifndef OPENSSL_NO_RSA
275                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
276                                 && pkey->pkey.rsa->n != NULL)
277                                 {
278                                 BIO_printf(bio_stdout, ", %d bit RSA",
279                                         BN_num_bits(pkey->pkey.rsa->n));
280                                 }
281 #endif
282 #ifndef OPENSSL_NO_DSA
283                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
284                                 && pkey->pkey.dsa->p != NULL)
285                                 {
286                                 BIO_printf(bio_stdout, ", %d bit DSA",
287                                         BN_num_bits(pkey->pkey.dsa->p));
288                                 }
289 #endif
290                         EVP_PKEY_free(pkey);
291                         }
292                 X509_free(cert);
293                 }
294         /* The SSL API does not allow us to look at temporary RSA/DH keys,
295          * otherwise we should print their lengths too */
296         BIO_printf(bio_stdout,"\n");
297         }
298
299 static void lock_dbg_cb(int mode, int type, const char *file, int line)
300         {
301         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
302         const char *errstr = NULL;
303         int rw;
304         
305         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
306         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
307                 {
308                 errstr = "invalid mode";
309                 goto err;
310                 }
311
312         if (type < 0 || type >= CRYPTO_NUM_LOCKS)
313                 {
314                 errstr = "type out of bounds";
315                 goto err;
316                 }
317
318         if (mode & CRYPTO_LOCK)
319                 {
320                 if (modes[type])
321                         {
322                         errstr = "already locked";
323                         /* must not happen in a single-threaded program
324                          * (would deadlock) */
325                         goto err;
326                         }
327
328                 modes[type] = rw;
329                 }
330         else if (mode & CRYPTO_UNLOCK)
331                 {
332                 if (!modes[type])
333                         {
334                         errstr = "not locked";
335                         goto err;
336                         }
337                 
338                 if (modes[type] != rw)
339                         {
340                         errstr = (rw == CRYPTO_READ) ?
341                                 "CRYPTO_r_unlock on write lock" :
342                                 "CRYPTO_w_unlock on read lock";
343                         }
344
345                 modes[type] = 0;
346                 }
347         else
348                 {
349                 errstr = "invalid mode";
350                 goto err;
351                 }
352
353  err:
354         if (errstr)
355                 {
356                 /* we cannot use bio_err here */
357                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
358                         errstr, mode, type, file, line);
359                 }
360         }
361
362 int main(int argc, char *argv[])
363         {
364         char *CApath=NULL,*CAfile=NULL;
365         int badop=0;
366         int bio_pair=0;
367         int force=0;
368         int tls1=0,ssl2=0,ssl3=0,ret=1;
369         int client_auth=0;
370         int server_auth=0,i;
371         int app_verify=0;
372         char *server_cert=TEST_SERVER_CERT;
373         char *server_key=NULL;
374         char *client_cert=TEST_CLIENT_CERT;
375         char *client_key=NULL;
376         char *named_curve = NULL;
377         SSL_CTX *s_ctx=NULL;
378         SSL_CTX *c_ctx=NULL;
379         SSL_METHOD *meth=NULL;
380         SSL *c_ssl,*s_ssl;
381         int number=1,reuse=0;
382         long bytes=256L;
383 #ifndef OPENSSL_NO_DH
384         DH *dh;
385         int dhe1024 = 0, dhe1024dsa = 0;
386 #endif
387 #ifndef OPENSSL_NO_ECDH
388         EC_KEY *ecdh = NULL;
389 #endif
390         int no_dhe = 0;
391         int no_ecdhe = 0;
392         int print_time = 0;
393         clock_t s_time = 0, c_time = 0;
394         int comp = 0;
395         COMP_METHOD *cm = NULL;
396         STACK_OF(SSL_COMP) *ssl_comp_methods = NULL;
397
398         verbose = 0;
399         debug = 0;
400         cipher = 0;
401
402         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 
403
404         CRYPTO_set_locking_callback(lock_dbg_cb);
405
406         /* enable memory leak checking unless explicitly disabled */
407         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
408                 {
409                 CRYPTO_malloc_debug_init();
410                 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
411                 }
412         else
413                 {
414                 /* OPENSSL_DEBUG_MEMORY=off */
415                 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
416                 }
417         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
418
419         RAND_seed(rnd_seed, sizeof rnd_seed);
420
421         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
422
423         argc--;
424         argv++;
425
426         while (argc >= 1)
427                 {
428                 if      (strcmp(*argv,"-server_auth") == 0)
429                         server_auth=1;
430                 else if (strcmp(*argv,"-client_auth") == 0)
431                         client_auth=1;
432                 else if (strcmp(*argv,"-v") == 0)
433                         verbose=1;
434                 else if (strcmp(*argv,"-d") == 0)
435                         debug=1;
436                 else if (strcmp(*argv,"-reuse") == 0)
437                         reuse=1;
438                 else if (strcmp(*argv,"-dhe1024") == 0)
439                         {
440 #ifndef OPENSSL_NO_DH
441                         dhe1024=1;
442 #else
443                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
444 #endif
445                         }
446                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
447                         {
448 #ifndef OPENSSL_NO_DH
449                         dhe1024dsa=1;
450 #else
451                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
452 #endif
453                         }
454                 else if (strcmp(*argv,"-no_dhe") == 0)
455                         no_dhe=1;
456                 else if (strcmp(*argv,"-no_ecdhe") == 0)
457                         no_ecdhe=1;
458                 else if (strcmp(*argv,"-ssl2") == 0)
459                         ssl2=1;
460                 else if (strcmp(*argv,"-tls1") == 0)
461                         tls1=1;
462                 else if (strcmp(*argv,"-ssl3") == 0)
463                         ssl3=1;
464                 else if (strncmp(*argv,"-num",4) == 0)
465                         {
466                         if (--argc < 1) goto bad;
467                         number= atoi(*(++argv));
468                         if (number == 0) number=1;
469                         }
470                 else if (strcmp(*argv,"-bytes") == 0)
471                         {
472                         if (--argc < 1) goto bad;
473                         bytes= atol(*(++argv));
474                         if (bytes == 0L) bytes=1L;
475                         i=strlen(argv[0]);
476                         if (argv[0][i-1] == 'k') bytes*=1024L;
477                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
478                         }
479                 else if (strcmp(*argv,"-cert") == 0)
480                         {
481                         if (--argc < 1) goto bad;
482                         server_cert= *(++argv);
483                         }
484                 else if (strcmp(*argv,"-s_cert") == 0)
485                         {
486                         if (--argc < 1) goto bad;
487                         server_cert= *(++argv);
488                         }
489                 else if (strcmp(*argv,"-key") == 0)
490                         {
491                         if (--argc < 1) goto bad;
492                         server_key= *(++argv);
493                         }
494                 else if (strcmp(*argv,"-s_key") == 0)
495                         {
496                         if (--argc < 1) goto bad;
497                         server_key= *(++argv);
498                         }
499                 else if (strcmp(*argv,"-c_cert") == 0)
500                         {
501                         if (--argc < 1) goto bad;
502                         client_cert= *(++argv);
503                         }
504                 else if (strcmp(*argv,"-c_key") == 0)
505                         {
506                         if (--argc < 1) goto bad;
507                         client_key= *(++argv);
508                         }
509                 else if (strcmp(*argv,"-cipher") == 0)
510                         {
511                         if (--argc < 1) goto bad;
512                         cipher= *(++argv);
513                         }
514                 else if (strcmp(*argv,"-CApath") == 0)
515                         {
516                         if (--argc < 1) goto bad;
517                         CApath= *(++argv);
518                         }
519                 else if (strcmp(*argv,"-CAfile") == 0)
520                         {
521                         if (--argc < 1) goto bad;
522                         CAfile= *(++argv);
523                         }
524                 else if (strcmp(*argv,"-bio_pair") == 0)
525                         {
526                         bio_pair = 1;
527                         }
528                 else if (strcmp(*argv,"-f") == 0)
529                         {
530                         force = 1;
531                         }
532                 else if (strcmp(*argv,"-time") == 0)
533                         {
534                         print_time = 1;
535                         }
536                 else if (strcmp(*argv,"-zlib") == 0)
537                         {
538                         comp = COMP_ZLIB;
539                         }
540                 else if (strcmp(*argv,"-rle") == 0)
541                         {
542                         comp = COMP_RLE;
543                         }
544                 else if (strcmp(*argv,"-named_curve") == 0)
545                         {
546                         if (--argc < 1) goto bad;
547 #ifndef OPENSSL_NO_ECDH         
548                         named_curve = *(++argv);
549 #else
550                         fprintf(stderr,"ignoring -named_curve, since I'm compiled without ECDH\n");
551                         ++argv;
552 #endif
553                         }
554                 else if (strcmp(*argv,"-app_verify") == 0)
555                         {
556                         app_verify = 1;
557                         }
558                 else
559                         {
560                         fprintf(stderr,"unknown option %s\n",*argv);
561                         badop=1;
562                         break;
563                         }
564                 argc--;
565                 argv++;
566                 }
567         if (badop)
568                 {
569 bad:
570                 sv_usage();
571                 goto end;
572                 }
573
574         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
575                 {
576                 fprintf(stderr, "This case cannot work.  Use -f to perform "
577                         "the test anyway (and\n-d to see what happens), "
578                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
579                         "to avoid protocol mismatch.\n");
580                 EXIT(1);
581                 }
582
583         if (print_time)
584                 {
585                 if (!bio_pair)
586                         {
587                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
588                         bio_pair = 1;
589                         }
590                 if (number < 50 && !force)
591                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
592                 }
593
594 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
595
596         SSL_library_init();
597         SSL_load_error_strings();
598
599         if (comp == COMP_ZLIB) cm = COMP_zlib();
600         if (comp == COMP_RLE) cm = COMP_rle();
601         if (cm != NULL)
602                 {
603                 if (cm->type != NID_undef)
604                         {
605                         if (SSL_COMP_add_compression_method(comp, cm) != 0)
606                                 {
607                                 fprintf(stderr,
608                                         "Failed to add compression method\n");
609                                 ERR_print_errors_fp(stderr);
610                                 }
611                         }
612                 else
613                         {
614                         fprintf(stderr,
615                                 "Warning: %s compression not supported\n",
616                                 (comp == COMP_RLE ? "rle" :
617                                         (comp == COMP_ZLIB ? "zlib" :
618                                                 "unknown")));
619                         ERR_print_errors_fp(stderr);
620                         }
621                 }
622         ssl_comp_methods = SSL_COMP_get_compression_methods();
623         fprintf(stderr, "Available compression methods:\n");
624         {
625         int j, n = sk_SSL_COMP_num(ssl_comp_methods);
626         if (n == 0)
627                 fprintf(stderr, "  NONE\n");
628         else
629                 for (j = 0; j < n; j++)
630                         {
631                         SSL_COMP *c = sk_SSL_COMP_value(ssl_comp_methods, j);
632                         fprintf(stderr, "  %d: %s\n", c->id, c->name);
633                         }
634         }
635
636 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
637         if (ssl2)
638                 meth=SSLv2_method();
639         else 
640         if (tls1)
641                 meth=TLSv1_method();
642         else
643         if (ssl3)
644                 meth=SSLv3_method();
645         else
646                 meth=SSLv23_method();
647 #else
648 #ifdef OPENSSL_NO_SSL2
649         meth=SSLv3_method();
650 #else
651         meth=SSLv2_method();
652 #endif
653 #endif
654
655         c_ctx=SSL_CTX_new(meth);
656         s_ctx=SSL_CTX_new(meth);
657         if ((c_ctx == NULL) || (s_ctx == NULL))
658                 {
659                 ERR_print_errors(bio_err);
660                 goto end;
661                 }
662
663         if (cipher != NULL)
664                 {
665                 SSL_CTX_set_cipher_list(c_ctx,cipher);
666                 SSL_CTX_set_cipher_list(s_ctx,cipher);
667                 }
668
669 #ifndef OPENSSL_NO_DH
670         if (!no_dhe)
671                 {
672                 if (dhe1024dsa)
673                         {
674                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
675                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
676                         dh=get_dh1024dsa();
677                         }
678                 else if (dhe1024)
679                         dh=get_dh1024();
680                 else
681                         dh=get_dh512();
682                 SSL_CTX_set_tmp_dh(s_ctx,dh);
683                 DH_free(dh);
684                 }
685 #else
686         (void)no_dhe;
687 #endif
688
689 #ifndef OPENSSL_NO_ECDH
690         if (!no_ecdhe)
691                 {
692                 ecdh = EC_KEY_new();
693                 if (ecdh != NULL)
694                         {
695                         if (named_curve)
696                                 {
697                                 int nid = OBJ_sn2nid(named_curve);
698
699                                 if (nid == 0)
700                                         {
701                                         BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve);
702                                         EC_KEY_free(ecdh);
703                                         goto end;
704                                         }
705
706                                 ecdh->group = EC_GROUP_new_by_nid(nid);
707                                 if (ecdh->group == NULL)
708                                         {
709                                         BIO_printf(bio_err, "unable to create curve (%s)\n", named_curve);
710                                         EC_KEY_free(ecdh);
711                                         goto end;
712                                         }
713                                 }
714                         
715                         if (ecdh->group == NULL)
716                                 ecdh->group=EC_GROUP_new_by_nid(NID_sect163r2);
717
718                         SSL_CTX_set_tmp_ecdh(s_ctx, ecdh);
719                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_ECDH_USE);
720                         EC_KEY_free(ecdh);
721                         }
722                 }
723 #else
724         (void)no_ecdhe;
725 #endif
726
727 #ifndef OPENSSL_NO_RSA
728         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
729 #endif
730
731         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
732                 {
733                 ERR_print_errors(bio_err);
734                 }
735         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
736                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
737                 {
738                 ERR_print_errors(bio_err);
739                 goto end;
740                 }
741
742         if (client_auth)
743                 {
744                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
745                         SSL_FILETYPE_PEM);
746                 SSL_CTX_use_PrivateKey_file(c_ctx,
747                         (client_key?client_key:client_cert),
748                         SSL_FILETYPE_PEM);
749                 }
750
751         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
752                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
753                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
754                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
755                 {
756                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
757                 ERR_print_errors(bio_err);
758                 /* goto end; */
759                 }
760
761         if (client_auth)
762                 {
763                 BIO_printf(bio_err,"client authentication\n");
764                 SSL_CTX_set_verify(s_ctx,
765                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
766                         verify_callback);
767                 if (app_verify) 
768                         {
769                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
770                         }
771                 }
772         if (server_auth)
773                 {
774                 BIO_printf(bio_err,"server authentication\n");
775                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
776                         verify_callback);
777                 if (app_verify) 
778                         {
779                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
780                         }
781                 }
782         
783         {
784                 int session_id_context = 0;
785                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
786         }
787
788         c_ssl=SSL_new(c_ctx);
789         s_ssl=SSL_new(s_ctx);
790
791 #ifndef OPENSSL_NO_KRB5
792         if (c_ssl  &&  c_ssl->kssl_ctx)
793                 {
794                 char    localhost[MAXHOSTNAMELEN+2];
795
796                 if (gethostname(localhost, sizeof localhost-1) == 0)
797                         {
798                         localhost[sizeof localhost-1]='\0';
799                         if(strlen(localhost) == sizeof localhost-1)
800                                 {
801                                 BIO_printf(bio_err,"localhost name too long\n");
802                                 goto end;
803                                 }
804                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
805                                 localhost);
806                         }
807                 }
808 #endif    /* OPENSSL_NO_KRB5  */
809
810         for (i=0; i<number; i++)
811                 {
812                 if (!reuse) SSL_set_session(c_ssl,NULL);
813                 if (bio_pair)
814                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
815                 else
816                         ret=doit(s_ssl,c_ssl,bytes);
817                 }
818
819         if (!verbose)
820                 {
821                 print_details(c_ssl, "");
822                 }
823         if ((number > 1) || (bytes > 1L))
824                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
825         if (print_time)
826                 {
827 #ifdef CLOCKS_PER_SEC
828                 /* "To determine the time in seconds, the value returned
829                  * by the clock function should be divided by the value
830                  * of the macro CLOCKS_PER_SEC."
831                  *                                       -- ISO/IEC 9899 */
832                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
833                         "Approximate total client time: %6.2f s\n",
834                         (double)s_time/CLOCKS_PER_SEC,
835                         (double)c_time/CLOCKS_PER_SEC);
836 #else
837                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
838                  *                            -- cc on NeXTstep/OpenStep */
839                 BIO_printf(bio_stdout,
840                         "Approximate total server time: %6.2f units\n"
841                         "Approximate total client time: %6.2f units\n",
842                         (double)s_time,
843                         (double)c_time);
844 #endif
845                 }
846
847         SSL_free(s_ssl);
848         SSL_free(c_ssl);
849
850 end:
851         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
852         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
853
854         if (bio_stdout != NULL) BIO_free(bio_stdout);
855
856 #ifndef OPENSSL_NO_RSA
857         free_tmp_rsa();
858 #endif
859 #ifndef OPENSSL_NO_ENGINE
860         ENGINE_cleanup();
861 #endif
862         CRYPTO_cleanup_all_ex_data();
863         ERR_free_strings();
864         ERR_remove_state(0);
865         EVP_cleanup();
866         CRYPTO_mem_leaks(bio_err);
867         if (bio_err != NULL) BIO_free(bio_err);
868         EXIT(ret);
869         }
870
871 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
872         clock_t *s_time, clock_t *c_time)
873         {
874         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
875         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
876         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
877         int ret = 1;
878         
879         size_t bufsiz = 256; /* small buffer for testing */
880
881         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
882                 goto err;
883         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
884                 goto err;
885         
886         s_ssl_bio = BIO_new(BIO_f_ssl());
887         if (!s_ssl_bio)
888                 goto err;
889
890         c_ssl_bio = BIO_new(BIO_f_ssl());
891         if (!c_ssl_bio)
892                 goto err;
893
894         SSL_set_connect_state(c_ssl);
895         SSL_set_bio(c_ssl, client, client);
896         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
897
898         SSL_set_accept_state(s_ssl);
899         SSL_set_bio(s_ssl, server, server);
900         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
901
902         do
903                 {
904                 /* c_ssl_bio:          SSL filter BIO
905                  *
906                  * client:             pseudo-I/O for SSL library
907                  *
908                  * client_io:          client's SSL communication; usually to be
909                  *                     relayed over some I/O facility, but in this
910                  *                     test program, we're the server, too:
911                  *
912                  * server_io:          server's SSL communication
913                  *
914                  * server:             pseudo-I/O for SSL library
915                  *
916                  * s_ssl_bio:          SSL filter BIO
917                  *
918                  * The client and the server each employ a "BIO pair":
919                  * client + client_io, server + server_io.
920                  * BIO pairs are symmetric.  A BIO pair behaves similar
921                  * to a non-blocking socketpair (but both endpoints must
922                  * be handled by the same thread).
923                  * [Here we could connect client and server to the ends
924                  * of a single BIO pair, but then this code would be less
925                  * suitable as an example for BIO pairs in general.]
926                  *
927                  * Useful functions for querying the state of BIO pair endpoints:
928                  *
929                  * BIO_ctrl_pending(bio)              number of bytes we can read now
930                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
931                  *                                      other side's read attempt
932                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
933                  *
934                  * ..._read_request is never more than ..._write_guarantee;
935                  * it depends on the application which one you should use.
936                  */
937
938                 /* We have non-blocking behaviour throughout this test program, but
939                  * can be sure that there is *some* progress in each iteration; so
940                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
941                  * -- we just try everything in each iteration
942                  */
943
944                         {
945                         /* CLIENT */
946                 
947                         MS_STATIC char cbuf[1024*8];
948                         int i, r;
949                         clock_t c_clock = clock();
950
951                         memset(cbuf, 0, sizeof(cbuf));
952
953                         if (debug)
954                                 if (SSL_in_init(c_ssl))
955                                         printf("client waiting in SSL_connect - %s\n",
956                                                 SSL_state_string_long(c_ssl));
957
958                         if (cw_num > 0)
959                                 {
960                                 /* Write to server. */
961                                 
962                                 if (cw_num > (long)sizeof cbuf)
963                                         i = sizeof cbuf;
964                                 else
965                                         i = (int)cw_num;
966                                 r = BIO_write(c_ssl_bio, cbuf, i);
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                                         /* BIO_should_retry(...) can just be ignored here.
975                                          * The library expects us to call BIO_write with
976                                          * the same arguments again, and that's what we will
977                                          * do in the next iteration. */
978                                         }
979                                 else if (r == 0)
980                                         {
981                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
982                                         goto err;
983                                         }
984                                 else
985                                         {
986                                         if (debug)
987                                                 printf("client wrote %d\n", r);
988                                         cw_num -= r;                            
989                                         }
990                                 }
991
992                         if (cr_num > 0)
993                                 {
994                                 /* Read from server. */
995
996                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
997                                 if (r < 0)
998                                         {
999                                         if (!BIO_should_retry(c_ssl_bio))
1000                                                 {
1001                                                 fprintf(stderr,"ERROR in CLIENT\n");
1002                                                 goto err;
1003                                                 }
1004                                         /* Again, "BIO_should_retry" can be ignored. */
1005                                         }
1006                                 else if (r == 0)
1007                                         {
1008                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1009                                         goto err;
1010                                         }
1011                                 else
1012                                         {
1013                                         if (debug)
1014                                                 printf("client read %d\n", r);
1015                                         cr_num -= r;
1016                                         }
1017                                 }
1018
1019                         /* c_time and s_time increments will typically be very small
1020                          * (depending on machine speed and clock tick intervals),
1021                          * but sampling over a large number of connections should
1022                          * result in fairly accurate figures.  We cannot guarantee
1023                          * a lot, however -- if each connection lasts for exactly
1024                          * one clock tick, it will be counted only for the client
1025                          * or only for the server or even not at all.
1026                          */
1027                         *c_time += (clock() - c_clock);
1028                         }
1029
1030                         {
1031                         /* SERVER */
1032                 
1033                         MS_STATIC char sbuf[1024*8];
1034                         int i, r;
1035                         clock_t s_clock = clock();
1036
1037                         memset(sbuf, 0, sizeof(sbuf));
1038
1039                         if (debug)
1040                                 if (SSL_in_init(s_ssl))
1041                                         printf("server waiting in SSL_accept - %s\n",
1042                                                 SSL_state_string_long(s_ssl));
1043
1044                         if (sw_num > 0)
1045                                 {
1046                                 /* Write to client. */
1047                                 
1048                                 if (sw_num > (long)sizeof sbuf)
1049                                         i = sizeof sbuf;
1050                                 else
1051                                         i = (int)sw_num;
1052                                 r = BIO_write(s_ssl_bio, sbuf, i);
1053                                 if (r < 0)
1054                                         {
1055                                         if (!BIO_should_retry(s_ssl_bio))
1056                                                 {
1057                                                 fprintf(stderr,"ERROR in SERVER\n");
1058                                                 goto err;
1059                                                 }
1060                                         /* Ignore "BIO_should_retry". */
1061                                         }
1062                                 else if (r == 0)
1063                                         {
1064                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1065                                         goto err;
1066                                         }
1067                                 else
1068                                         {
1069                                         if (debug)
1070                                                 printf("server wrote %d\n", r);
1071                                         sw_num -= r;                            
1072                                         }
1073                                 }
1074
1075                         if (sr_num > 0)
1076                                 {
1077                                 /* Read from client. */
1078
1079                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
1080                                 if (r < 0)
1081                                         {
1082                                         if (!BIO_should_retry(s_ssl_bio))
1083                                                 {
1084                                                 fprintf(stderr,"ERROR in SERVER\n");
1085                                                 goto err;
1086                                                 }
1087                                         /* blah, blah */
1088                                         }
1089                                 else if (r == 0)
1090                                         {
1091                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1092                                         goto err;
1093                                         }
1094                                 else
1095                                         {
1096                                         if (debug)
1097                                                 printf("server read %d\n", r);
1098                                         sr_num -= r;
1099                                         }
1100                                 }
1101
1102                         *s_time += (clock() - s_clock);
1103                         }
1104                         
1105                         {
1106                         /* "I/O" BETWEEN CLIENT AND SERVER. */
1107
1108                         size_t r1, r2;
1109                         BIO *io1 = server_io, *io2 = client_io;
1110                         /* we use the non-copying interface for io1
1111                          * and the standard BIO_write/BIO_read interface for io2
1112                          */
1113                         
1114                         static int prev_progress = 1;
1115                         int progress = 0;
1116                         
1117                         /* io1 to io2 */
1118                         do
1119                                 {
1120                                 size_t num;
1121                                 int r;
1122
1123                                 r1 = BIO_ctrl_pending(io1);
1124                                 r2 = BIO_ctrl_get_write_guarantee(io2);
1125
1126                                 num = r1;
1127                                 if (r2 < num)
1128                                         num = r2;
1129                                 if (num)
1130                                         {
1131                                         char *dataptr;
1132
1133                                         if (INT_MAX < num) /* yeah, right */
1134                                                 num = INT_MAX;
1135                                         
1136                                         r = BIO_nread(io1, &dataptr, (int)num);
1137                                         assert(r > 0);
1138                                         assert(r <= (int)num);
1139                                         /* possibly r < num (non-contiguous data) */
1140                                         num = r;
1141                                         r = BIO_write(io2, dataptr, (int)num);
1142                                         if (r != (int)num) /* can't happen */
1143                                                 {
1144                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1145                                                         "BIO_ctrl_get_write_guarantee() bytes");
1146                                                 goto err;
1147                                                 }
1148                                         progress = 1;
1149
1150                                         if (debug)
1151                                                 printf((io1 == client_io) ?
1152                                                         "C->S relaying: %d bytes\n" :
1153                                                         "S->C relaying: %d bytes\n",
1154                                                         (int)num);
1155                                         }
1156                                 }
1157                         while (r1 && r2);
1158
1159                         /* io2 to io1 */
1160                         {
1161                                 size_t num;
1162                                 int r;
1163
1164                                 r1 = BIO_ctrl_pending(io2);
1165                                 r2 = BIO_ctrl_get_read_request(io1);
1166                                 /* here we could use ..._get_write_guarantee instead of
1167                                  * ..._get_read_request, but by using the latter
1168                                  * we test restartability of the SSL implementation
1169                                  * more thoroughly */
1170                                 num = r1;
1171                                 if (r2 < num)
1172                                         num = r2;
1173                                 if (num)
1174                                         {
1175                                         char *dataptr;
1176                                         
1177                                         if (INT_MAX < num)
1178                                                 num = INT_MAX;
1179
1180                                         if (num > 1)
1181                                                 --num; /* test restartability even more thoroughly */
1182                                         
1183                                         r = BIO_nwrite0(io1, &dataptr);
1184                                         assert(r > 0);
1185                                         if (r < (int)num)
1186                                                 num = r;
1187                                         r = BIO_read(io2, dataptr, (int)num);
1188                                         if (r != (int)num) /* can't happen */
1189                                                 {
1190                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1191                                                         "BIO_ctrl_pending() bytes");
1192                                                 goto err;
1193                                                 }
1194                                         progress = 1;
1195                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1196                                         if (r != (int)num) /* can't happen */
1197                                                 {
1198                                                 fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
1199                                                         "BIO_nwrite0() bytes");
1200                                                 goto err;
1201                                                 }
1202                                         
1203                                         if (debug)
1204                                                 printf((io2 == client_io) ?
1205                                                         "C->S relaying: %d bytes\n" :
1206                                                         "S->C relaying: %d bytes\n",
1207                                                         (int)num);
1208                                         }
1209                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1210
1211                         if (!progress && !prev_progress)
1212                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1213                                         {
1214                                         fprintf(stderr, "ERROR: got stuck\n");
1215                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1216                                                 {
1217                                                 fprintf(stderr, "This can happen for SSL2 because "
1218                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1219                                                         "concurrently ...");
1220                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1221                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1222                                                         {
1223                                                         fprintf(stderr, " ok.\n");
1224                                                         goto end;
1225                                                         }
1226                                                 }
1227                                         fprintf(stderr, " ERROR.\n");
1228                                         goto err;
1229                                         }
1230                         prev_progress = progress;
1231                         }
1232                 }
1233         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1234
1235         if (verbose)
1236                 print_details(c_ssl, "DONE via BIO pair: ");
1237 end:
1238         ret = 0;
1239
1240  err:
1241         ERR_print_errors(bio_err);
1242         
1243         if (server)
1244                 BIO_free(server);
1245         if (server_io)
1246                 BIO_free(server_io);
1247         if (client)
1248                 BIO_free(client);
1249         if (client_io)
1250                 BIO_free(client_io);
1251         if (s_ssl_bio)
1252                 BIO_free(s_ssl_bio);
1253         if (c_ssl_bio)
1254                 BIO_free(c_ssl_bio);
1255
1256         return ret;
1257         }
1258
1259
1260 #define W_READ  1
1261 #define W_WRITE 2
1262 #define C_DONE  1
1263 #define S_DONE  2
1264
1265 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1266         {
1267         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1268         long cw_num=count,cr_num=count;
1269         long sw_num=count,sr_num=count;
1270         int ret=1;
1271         BIO *c_to_s=NULL;
1272         BIO *s_to_c=NULL;
1273         BIO *c_bio=NULL;
1274         BIO *s_bio=NULL;
1275         int c_r,c_w,s_r,s_w;
1276         int c_want,s_want;
1277         int i,j;
1278         int done=0;
1279         int c_write,s_write;
1280         int do_server=0,do_client=0;
1281
1282         memset(cbuf,0,sizeof(cbuf));
1283         memset(sbuf,0,sizeof(sbuf));
1284
1285         c_to_s=BIO_new(BIO_s_mem());
1286         s_to_c=BIO_new(BIO_s_mem());
1287         if ((s_to_c == NULL) || (c_to_s == NULL))
1288                 {
1289                 ERR_print_errors(bio_err);
1290                 goto err;
1291                 }
1292
1293         c_bio=BIO_new(BIO_f_ssl());
1294         s_bio=BIO_new(BIO_f_ssl());
1295         if ((c_bio == NULL) || (s_bio == NULL))
1296                 {
1297                 ERR_print_errors(bio_err);
1298                 goto err;
1299                 }
1300
1301         SSL_set_connect_state(c_ssl);
1302         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1303         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1304
1305         SSL_set_accept_state(s_ssl);
1306         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1307         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1308
1309         c_r=0; s_r=1;
1310         c_w=1; s_w=0;
1311         c_want=W_WRITE;
1312         s_want=0;
1313         c_write=1,s_write=0;
1314
1315         /* We can always do writes */
1316         for (;;)
1317                 {
1318                 do_server=0;
1319                 do_client=0;
1320
1321                 i=(int)BIO_pending(s_bio);
1322                 if ((i && s_r) || s_w) do_server=1;
1323
1324                 i=(int)BIO_pending(c_bio);
1325                 if ((i && c_r) || c_w) do_client=1;
1326
1327                 if (do_server && debug)
1328                         {
1329                         if (SSL_in_init(s_ssl))
1330                                 printf("server waiting in SSL_accept - %s\n",
1331                                         SSL_state_string_long(s_ssl));
1332 /*                      else if (s_write)
1333                                 printf("server:SSL_write()\n");
1334                         else
1335                                 printf("server:SSL_read()\n"); */
1336                         }
1337
1338                 if (do_client && debug)
1339                         {
1340                         if (SSL_in_init(c_ssl))
1341                                 printf("client waiting in SSL_connect - %s\n",
1342                                         SSL_state_string_long(c_ssl));
1343 /*                      else if (c_write)
1344                                 printf("client:SSL_write()\n");
1345                         else
1346                                 printf("client:SSL_read()\n"); */
1347                         }
1348
1349                 if (!do_client && !do_server)
1350                         {
1351                         fprintf(stdout,"ERROR IN STARTUP\n");
1352                         ERR_print_errors(bio_err);
1353                         break;
1354                         }
1355                 if (do_client && !(done & C_DONE))
1356                         {
1357                         if (c_write)
1358                                 {
1359                                 j = (cw_num > (long)sizeof(cbuf)) ?
1360                                         (int)sizeof(cbuf) : (int)cw_num;
1361                                 i=BIO_write(c_bio,cbuf,j);
1362                                 if (i < 0)
1363                                         {
1364                                         c_r=0;
1365                                         c_w=0;
1366                                         if (BIO_should_retry(c_bio))
1367                                                 {
1368                                                 if (BIO_should_read(c_bio))
1369                                                         c_r=1;
1370                                                 if (BIO_should_write(c_bio))
1371                                                         c_w=1;
1372                                                 }
1373                                         else
1374                                                 {
1375                                                 fprintf(stderr,"ERROR in CLIENT\n");
1376                                                 ERR_print_errors(bio_err);
1377                                                 goto err;
1378                                                 }
1379                                         }
1380                                 else if (i == 0)
1381                                         {
1382                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1383                                         goto err;
1384                                         }
1385                                 else
1386                                         {
1387                                         if (debug)
1388                                                 printf("client wrote %d\n",i);
1389                                         /* ok */
1390                                         s_r=1;
1391                                         c_write=0;
1392                                         cw_num-=i;
1393                                         }
1394                                 }
1395                         else
1396                                 {
1397                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1398                                 if (i < 0)
1399                                         {
1400                                         c_r=0;
1401                                         c_w=0;
1402                                         if (BIO_should_retry(c_bio))
1403                                                 {
1404                                                 if (BIO_should_read(c_bio))
1405                                                         c_r=1;
1406                                                 if (BIO_should_write(c_bio))
1407                                                         c_w=1;
1408                                                 }
1409                                         else
1410                                                 {
1411                                                 fprintf(stderr,"ERROR in CLIENT\n");
1412                                                 ERR_print_errors(bio_err);
1413                                                 goto err;
1414                                                 }
1415                                         }
1416                                 else if (i == 0)
1417                                         {
1418                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1419                                         goto err;
1420                                         }
1421                                 else
1422                                         {
1423                                         if (debug)
1424                                                 printf("client read %d\n",i);
1425                                         cr_num-=i;
1426                                         if (sw_num > 0)
1427                                                 {
1428                                                 s_write=1;
1429                                                 s_w=1;
1430                                                 }
1431                                         if (cr_num <= 0)
1432                                                 {
1433                                                 s_write=1;
1434                                                 s_w=1;
1435                                                 done=S_DONE|C_DONE;
1436                                                 }
1437                                         }
1438                                 }
1439                         }
1440
1441                 if (do_server && !(done & S_DONE))
1442                         {
1443                         if (!s_write)
1444                                 {
1445                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1446                                 if (i < 0)
1447                                         {
1448                                         s_r=0;
1449                                         s_w=0;
1450                                         if (BIO_should_retry(s_bio))
1451                                                 {
1452                                                 if (BIO_should_read(s_bio))
1453                                                         s_r=1;
1454                                                 if (BIO_should_write(s_bio))
1455                                                         s_w=1;
1456                                                 }
1457                                         else
1458                                                 {
1459                                                 fprintf(stderr,"ERROR in SERVER\n");
1460                                                 ERR_print_errors(bio_err);
1461                                                 goto err;
1462                                                 }
1463                                         }
1464                                 else if (i == 0)
1465                                         {
1466                                         ERR_print_errors(bio_err);
1467                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1468                                         goto err;
1469                                         }
1470                                 else
1471                                         {
1472                                         if (debug)
1473                                                 printf("server read %d\n",i);
1474                                         sr_num-=i;
1475                                         if (cw_num > 0)
1476                                                 {
1477                                                 c_write=1;
1478                                                 c_w=1;
1479                                                 }
1480                                         if (sr_num <= 0)
1481                                                 {
1482                                                 s_write=1;
1483                                                 s_w=1;
1484                                                 c_write=0;
1485                                                 }
1486                                         }
1487                                 }
1488                         else
1489                                 {
1490                                 j = (sw_num > (long)sizeof(sbuf)) ?
1491                                         (int)sizeof(sbuf) : (int)sw_num;
1492                                 i=BIO_write(s_bio,sbuf,j);
1493                                 if (i < 0)
1494                                         {
1495                                         s_r=0;
1496                                         s_w=0;
1497                                         if (BIO_should_retry(s_bio))
1498                                                 {
1499                                                 if (BIO_should_read(s_bio))
1500                                                         s_r=1;
1501                                                 if (BIO_should_write(s_bio))
1502                                                         s_w=1;
1503                                                 }
1504                                         else
1505                                                 {
1506                                                 fprintf(stderr,"ERROR in SERVER\n");
1507                                                 ERR_print_errors(bio_err);
1508                                                 goto err;
1509                                                 }
1510                                         }
1511                                 else if (i == 0)
1512                                         {
1513                                         ERR_print_errors(bio_err);
1514                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1515                                         goto err;
1516                                         }
1517                                 else
1518                                         {
1519                                         if (debug)
1520                                                 printf("server wrote %d\n",i);
1521                                         sw_num-=i;
1522                                         s_write=0;
1523                                         c_r=1;
1524                                         if (sw_num <= 0)
1525                                                 done|=S_DONE;
1526                                         }
1527                                 }
1528                         }
1529
1530                 if ((done & S_DONE) && (done & C_DONE)) break;
1531                 }
1532
1533         if (verbose)
1534                 print_details(c_ssl, "DONE: ");
1535         ret=0;
1536 err:
1537         /* We have to set the BIO's to NULL otherwise they will be
1538          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1539          * again when c_ssl is SSL_free()ed.
1540          * This is a hack required because s_ssl and c_ssl are sharing the same
1541          * BIO structure and SSL_set_bio() and SSL_free() automatically
1542          * BIO_free non NULL entries.
1543          * You should not normally do this or be required to do this */
1544         if (s_ssl != NULL)
1545                 {
1546                 s_ssl->rbio=NULL;
1547                 s_ssl->wbio=NULL;
1548                 }
1549         if (c_ssl != NULL)
1550                 {
1551                 c_ssl->rbio=NULL;
1552                 c_ssl->wbio=NULL;
1553                 }
1554
1555         if (c_to_s != NULL) BIO_free(c_to_s);
1556         if (s_to_c != NULL) BIO_free(s_to_c);
1557         if (c_bio != NULL) BIO_free_all(c_bio);
1558         if (s_bio != NULL) BIO_free_all(s_bio);
1559         return(ret);
1560         }
1561
1562 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1563         {
1564         char *s,buf[256];
1565
1566         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,
1567                             sizeof buf);
1568         if (s != NULL)
1569                 {
1570                 if (ok)
1571                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1572                 else
1573                         fprintf(stderr,"depth=%d error=%d %s\n",
1574                                 ctx->error_depth,ctx->error,buf);
1575                 }
1576
1577         if (ok == 0)
1578                 {
1579                 switch (ctx->error)
1580                         {
1581                 case X509_V_ERR_CERT_NOT_YET_VALID:
1582                 case X509_V_ERR_CERT_HAS_EXPIRED:
1583                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1584                         ok=1;
1585                         }
1586                 }
1587
1588         return(ok);
1589         }
1590
1591 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
1592         {
1593         char *s = NULL,buf[256];
1594         int ok=1;
1595
1596         fprintf(stderr, "In app_verify_callback, allowing cert. ");
1597         fprintf(stderr, "Arg is: %s\n", (char *)arg);
1598         fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
1599                         (unsigned int)ctx, (unsigned int)ctx->cert);
1600         if (ctx->cert)
1601                 s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
1602         if (s != NULL)
1603                 {
1604                         fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
1605                 }
1606
1607         return(ok);
1608         }
1609
1610 #ifndef OPENSSL_NO_RSA
1611 static RSA *rsa_tmp=NULL;
1612
1613 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1614         {
1615         BIGNUM *bn = NULL;
1616         if (rsa_tmp == NULL)
1617                 {
1618                 bn = BN_new();
1619                 rsa_tmp = RSA_new();
1620                 if(!bn || !rsa_tmp || !BN_set_word(bn, RSA_F4))
1621                         {
1622                         BIO_printf(bio_err, "Memory error...");
1623                         goto end;
1624                         }
1625                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1626                 (void)BIO_flush(bio_err);
1627                 if(!RSA_generate_key_ex(rsa_tmp,keylength,bn,NULL))
1628                         {
1629                         BIO_printf(bio_err, "Error generating key.");
1630                         RSA_free(rsa_tmp);
1631                         rsa_tmp = NULL;
1632                         }
1633 end:
1634                 BIO_printf(bio_err,"\n");
1635                 (void)BIO_flush(bio_err);
1636                 }
1637         if(bn) BN_free(bn);
1638         return(rsa_tmp);
1639         }
1640
1641 static void free_tmp_rsa(void)
1642         {
1643         if (rsa_tmp != NULL)
1644                 {
1645                 RSA_free(rsa_tmp);
1646                 rsa_tmp = NULL;
1647                 }
1648         }
1649 #endif
1650
1651 #ifndef OPENSSL_NO_DH
1652 /* These DH parameters have been generated as follows:
1653  *    $ openssl dhparam -C -noout 512
1654  *    $ openssl dhparam -C -noout 1024
1655  *    $ openssl dhparam -C -noout -dsaparam 1024
1656  * (The third function has been renamed to avoid name conflicts.)
1657  */
1658 static DH *get_dh512()
1659         {
1660         static unsigned char dh512_p[]={
1661                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1662                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1663                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1664                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1665                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1666                 0x02,0xC5,0xAE,0x23,
1667                 };
1668         static unsigned char dh512_g[]={
1669                 0x02,
1670                 };
1671         DH *dh;
1672
1673         if ((dh=DH_new()) == NULL) return(NULL);
1674         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1675         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1676         if ((dh->p == NULL) || (dh->g == NULL))
1677                 { DH_free(dh); return(NULL); }
1678         return(dh);
1679         }
1680
1681 static DH *get_dh1024()
1682         {
1683         static unsigned char dh1024_p[]={
1684                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1685                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1686                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1687                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1688                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1689                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1690                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1691                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1692                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1693                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1694                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1695                 };
1696         static unsigned char dh1024_g[]={
1697                 0x02,
1698                 };
1699         DH *dh;
1700
1701         if ((dh=DH_new()) == NULL) return(NULL);
1702         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1703         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1704         if ((dh->p == NULL) || (dh->g == NULL))
1705                 { DH_free(dh); return(NULL); }
1706         return(dh);
1707         }
1708
1709 static DH *get_dh1024dsa()
1710         {
1711         static unsigned char dh1024_p[]={
1712                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1713                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1714                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1715                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1716                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1717                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1718                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1719                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1720                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1721                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1722                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1723                 };
1724         static unsigned char dh1024_g[]={
1725                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1726                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1727                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1728                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1729                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1730                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1731                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1732                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1733                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1734                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1735                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1736                 };
1737         DH *dh;
1738
1739         if ((dh=DH_new()) == NULL) return(NULL);
1740         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1741         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1742         if ((dh->p == NULL) || (dh->g == NULL))
1743                 { DH_free(dh); return(NULL); }
1744         dh->length = 160;
1745         return(dh);
1746         }
1747 #endif