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