533c09825d6ed95dbd1e30c383aecd601824869c
[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 _XOPEN_SOURCE 600       /* Or gethostname won't be declared properly
118                                    on Linux and GNU platforms. */
119 #define _XOPEN_SOURCE_EXTENDED  1 /* Or gethostname won't be declared properly
120                                    on Compaq platforms (at least with DEC C).
121                                 */
122
123 #include <assert.h>
124 #include <errno.h>
125 #include <limits.h>
126 #include <stdio.h>
127 #include <stdlib.h>
128 #include <string.h>
129 #include <time.h>
130
131 #include "e_os.h"
132
133 #include <openssl/bio.h>
134 #include <openssl/crypto.h>
135 #include <openssl/evp.h>
136 #include <openssl/x509.h>
137 #include <openssl/ssl.h>
138 #include <openssl/engine.h>
139 #include <openssl/err.h>
140 #include <openssl/rand.h>
141 #ifdef OPENSSL_SYS_WINDOWS
142 #include <winsock.h>
143 #include "../crypto/bio/bss_file.c"
144 #else
145 #include OPENSSL_UNISTD
146 #endif
147
148 #ifdef OPENSSL_SYS_VMS
149 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
150 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
151 #elif defined(OPENSSL_SYS_WINCE)
152 #  define TEST_SERVER_CERT "\\OpenSSL\\server.pem"
153 #  define TEST_CLIENT_CERT "\\OpenSSL\\client.pem"
154 #else
155 #  define TEST_SERVER_CERT "../apps/server.pem"
156 #  define TEST_CLIENT_CERT "../apps/client.pem"
157 #endif
158
159 /* There is really no standard for this, so let's assign some tentative
160    numbers.  In any case, these numbers are only for this test */
161 #define COMP_RLE        1
162 #define COMP_ZLIB       2
163
164 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
165 #ifndef OPENSSL_NO_RSA
166 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
167 static void free_tmp_rsa(void);
168 #endif
169 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg);
170 #define APP_CALLBACK "Test Callback Argument"
171 static char *app_verify_arg = APP_CALLBACK;
172
173 #ifndef OPENSSL_NO_DH
174 static DH *get_dh512(void);
175 static DH *get_dh1024(void);
176 static DH *get_dh1024dsa(void);
177 #endif
178
179 static BIO *bio_err=NULL;
180 static BIO *bio_stdout=NULL;
181
182 static char *cipher=NULL;
183 static int verbose=0;
184 static int debug=0;
185 #if 0
186 /* Not used yet. */
187 #ifdef FIONBIO
188 static int s_nbio=0;
189 #endif
190 #endif
191
192 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
193
194 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
195 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
196 static void sv_usage(void)
197         {
198         fprintf(stderr,"usage: ssltest [args ...]\n");
199         fprintf(stderr,"\n");
200         fprintf(stderr," -server_auth  - check server certificate\n");
201         fprintf(stderr," -client_auth  - do client authentication\n");
202         fprintf(stderr," -v            - more output\n");
203         fprintf(stderr," -d            - debug output\n");
204         fprintf(stderr," -reuse        - use session-id reuse\n");
205         fprintf(stderr," -num <val>    - number of connections to perform\n");
206         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
207 #ifndef OPENSSL_NO_DH
208         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
209         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
210         fprintf(stderr," -no_dhe       - disable DHE\n");
211 #endif
212 #ifndef OPENSSL_NO_ECDH
213         fprintf(stderr," -no_ecdhe     - disable ECDHE\n");
214 #endif
215 #ifndef OPENSSL_NO_SSL2
216         fprintf(stderr," -ssl2         - use SSLv2\n");
217 #endif
218 #ifndef OPENSSL_NO_SSL3
219         fprintf(stderr," -ssl3         - use SSLv3\n");
220 #endif
221 #ifndef OPENSSL_NO_TLS1
222         fprintf(stderr," -tls1         - use TLSv1\n");
223 #endif
224         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
225         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
226         fprintf(stderr," -cert arg     - Server certificate file\n");
227         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
228         fprintf(stderr," -c_cert arg   - Client certificate file\n");
229         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
230         fprintf(stderr," -cipher arg   - The cipher list\n");
231         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
232         fprintf(stderr," -f            - Test even cases that can't work\n");
233         fprintf(stderr," -time         - measure processor time used by client and server\n");
234         fprintf(stderr," -zlib         - use zlib compression\n");
235         fprintf(stderr," -rle          - use rle compression\n");
236 #ifndef OPENSSL_NO_ECDH
237         fprintf(stderr," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
238                        "                 Use \"openssl ecparam -list_curves\" for all names\n"  \
239                        "                 (default is sect163r2).\n");
240 #endif
241         }
242
243 static void print_details(SSL *c_ssl, const char *prefix)
244         {
245         SSL_CIPHER *ciph;
246         X509 *cert;
247                 
248         ciph=SSL_get_current_cipher(c_ssl);
249         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
250                 prefix,
251                 SSL_get_version(c_ssl),
252                 SSL_CIPHER_get_version(ciph),
253                 SSL_CIPHER_get_name(ciph));
254         cert=SSL_get_peer_certificate(c_ssl);
255         if (cert != NULL)
256                 {
257                 EVP_PKEY *pkey = X509_get_pubkey(cert);
258                 if (pkey != NULL)
259                         {
260                         if (0) 
261                                 ;
262 #ifndef OPENSSL_NO_RSA
263                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
264                                 && pkey->pkey.rsa->n != NULL)
265                                 {
266                                 BIO_printf(bio_stdout, ", %d bit RSA",
267                                         BN_num_bits(pkey->pkey.rsa->n));
268                                 }
269 #endif
270 #ifndef OPENSSL_NO_DSA
271                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
272                                 && pkey->pkey.dsa->p != NULL)
273                                 {
274                                 BIO_printf(bio_stdout, ", %d bit DSA",
275                                         BN_num_bits(pkey->pkey.dsa->p));
276                                 }
277 #endif
278                         EVP_PKEY_free(pkey);
279                         }
280                 X509_free(cert);
281                 }
282         /* The SSL API does not allow us to look at temporary RSA/DH keys,
283          * otherwise we should print their lengths too */
284         BIO_printf(bio_stdout,"\n");
285         }
286
287 static void lock_dbg_cb(int mode, int type, const char *file, int line)
288         {
289         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
290         const char *errstr = NULL;
291         int rw;
292         
293         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
294         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
295                 {
296                 errstr = "invalid mode";
297                 goto err;
298                 }
299
300         if (type < 0 || type > CRYPTO_NUM_LOCKS)
301                 {
302                 errstr = "type out of bounds";
303                 goto err;
304                 }
305
306         if (mode & CRYPTO_LOCK)
307                 {
308                 if (modes[type])
309                         {
310                         errstr = "already locked";
311                         /* must not happen in a single-threaded program
312                          * (would deadlock) */
313                         goto err;
314                         }
315
316                 modes[type] = rw;
317                 }
318         else if (mode & CRYPTO_UNLOCK)
319                 {
320                 if (!modes[type])
321                         {
322                         errstr = "not locked";
323                         goto err;
324                         }
325                 
326                 if (modes[type] != rw)
327                         {
328                         errstr = (rw == CRYPTO_READ) ?
329                                 "CRYPTO_r_unlock on write lock" :
330                                 "CRYPTO_w_unlock on read lock";
331                         }
332
333                 modes[type] = 0;
334                 }
335         else
336                 {
337                 errstr = "invalid mode";
338                 goto err;
339                 }
340
341  err:
342         if (errstr)
343                 {
344                 /* we cannot use bio_err here */
345                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
346                         errstr, mode, type, file, line);
347                 }
348         }
349
350 int main(int argc, char *argv[])
351         {
352         char *CApath=NULL,*CAfile=NULL;
353         int badop=0;
354         int bio_pair=0;
355         int force=0;
356         int tls1=0,ssl2=0,ssl3=0,ret=1;
357         int client_auth=0;
358         int server_auth=0,i;
359         int app_verify=0;
360         char *server_cert=TEST_SERVER_CERT;
361         char *server_key=NULL;
362         char *client_cert=TEST_CLIENT_CERT;
363         char *client_key=NULL;
364         char *named_curve = NULL;
365         SSL_CTX *s_ctx=NULL;
366         SSL_CTX *c_ctx=NULL;
367         SSL_METHOD *meth=NULL;
368         SSL *c_ssl,*s_ssl;
369         int number=1,reuse=0;
370         long bytes=1L;
371 #ifndef OPENSSL_NO_DH
372         DH *dh;
373         int dhe1024 = 0, dhe1024dsa = 0;
374 #endif
375 #ifndef OPENSSL_NO_ECDH
376         EC_KEY *ecdh = NULL;
377 #endif
378         int no_dhe = 0;
379         int no_ecdhe = 0;
380         int print_time = 0;
381         clock_t s_time = 0, c_time = 0;
382         int comp = 0;
383         COMP_METHOD *cm = NULL;
384
385         verbose = 0;
386         debug = 0;
387         cipher = 0;
388
389         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 
390
391         CRYPTO_set_locking_callback(lock_dbg_cb);
392
393         /* enable memory leak checking unless explicitly disabled */
394         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
395                 {
396                 CRYPTO_malloc_debug_init();
397                 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
398                 }
399         else
400                 {
401                 /* OPENSSL_DEBUG_MEMORY=off */
402                 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
403                 }
404         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
405
406         RAND_seed(rnd_seed, sizeof rnd_seed);
407
408         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
409
410         argc--;
411         argv++;
412
413         while (argc >= 1)
414                 {
415                 if      (strcmp(*argv,"-server_auth") == 0)
416                         server_auth=1;
417                 else if (strcmp(*argv,"-client_auth") == 0)
418                         client_auth=1;
419                 else if (strcmp(*argv,"-v") == 0)
420                         verbose=1;
421                 else if (strcmp(*argv,"-d") == 0)
422                         debug=1;
423                 else if (strcmp(*argv,"-reuse") == 0)
424                         reuse=1;
425                 else if (strcmp(*argv,"-dhe1024") == 0)
426                         {
427 #ifndef OPENSSL_NO_DH
428                         dhe1024=1;
429 #else
430                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
431 #endif
432                         }
433                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
434                         {
435 #ifndef OPENSSL_NO_DH
436                         dhe1024dsa=1;
437 #else
438                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
439 #endif
440                         }
441                 else if (strcmp(*argv,"-no_dhe") == 0)
442                         no_dhe=1;
443                 else if (strcmp(*argv,"-no_ecdhe") == 0)
444                         no_ecdhe=1;
445                 else if (strcmp(*argv,"-ssl2") == 0)
446                         ssl2=1;
447                 else if (strcmp(*argv,"-tls1") == 0)
448                         tls1=1;
449                 else if (strcmp(*argv,"-ssl3") == 0)
450                         ssl3=1;
451                 else if (strncmp(*argv,"-num",4) == 0)
452                         {
453                         if (--argc < 1) goto bad;
454                         number= atoi(*(++argv));
455                         if (number == 0) number=1;
456                         }
457                 else if (strcmp(*argv,"-bytes") == 0)
458                         {
459                         if (--argc < 1) goto bad;
460                         bytes= atol(*(++argv));
461                         if (bytes == 0L) bytes=1L;
462                         i=strlen(argv[0]);
463                         if (argv[0][i-1] == 'k') bytes*=1024L;
464                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
465                         }
466                 else if (strcmp(*argv,"-cert") == 0)
467                         {
468                         if (--argc < 1) goto bad;
469                         server_cert= *(++argv);
470                         }
471                 else if (strcmp(*argv,"-s_cert") == 0)
472                         {
473                         if (--argc < 1) goto bad;
474                         server_cert= *(++argv);
475                         }
476                 else if (strcmp(*argv,"-key") == 0)
477                         {
478                         if (--argc < 1) goto bad;
479                         server_key= *(++argv);
480                         }
481                 else if (strcmp(*argv,"-s_key") == 0)
482                         {
483                         if (--argc < 1) goto bad;
484                         server_key= *(++argv);
485                         }
486                 else if (strcmp(*argv,"-c_cert") == 0)
487                         {
488                         if (--argc < 1) goto bad;
489                         client_cert= *(++argv);
490                         }
491                 else if (strcmp(*argv,"-c_key") == 0)
492                         {
493                         if (--argc < 1) goto bad;
494                         client_key= *(++argv);
495                         }
496                 else if (strcmp(*argv,"-cipher") == 0)
497                         {
498                         if (--argc < 1) goto bad;
499                         cipher= *(++argv);
500                         }
501                 else if (strcmp(*argv,"-CApath") == 0)
502                         {
503                         if (--argc < 1) goto bad;
504                         CApath= *(++argv);
505                         }
506                 else if (strcmp(*argv,"-CAfile") == 0)
507                         {
508                         if (--argc < 1) goto bad;
509                         CAfile= *(++argv);
510                         }
511                 else if (strcmp(*argv,"-bio_pair") == 0)
512                         {
513                         bio_pair = 1;
514                         }
515                 else if (strcmp(*argv,"-f") == 0)
516                         {
517                         force = 1;
518                         }
519                 else if (strcmp(*argv,"-time") == 0)
520                         {
521                         print_time = 1;
522                         }
523                 else if (strcmp(*argv,"-zlib") == 0)
524                         {
525                         comp = COMP_ZLIB;
526                         }
527                 else if (strcmp(*argv,"-rle") == 0)
528                         {
529                         comp = COMP_RLE;
530                         }
531                 else if (strcmp(*argv,"-named_curve") == 0)
532                         {
533                         if (--argc < 1) goto bad;
534 #ifndef OPENSSL_NO_ECDH         
535                         named_curve = *(++argv);
536 #else
537                         fprintf(stderr,"ignoring -named_curve, since I'm compiled without ECDH\n");
538                         ++argv;
539 #endif
540                         }
541                 else if (strcmp(*argv,"-app_verify") == 0)
542                         {
543                         app_verify = 1;
544                         }
545                 else
546                         {
547                         fprintf(stderr,"unknown option %s\n",*argv);
548                         badop=1;
549                         break;
550                         }
551                 argc--;
552                 argv++;
553                 }
554         if (badop)
555                 {
556 bad:
557                 sv_usage();
558                 goto end;
559                 }
560
561         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
562                 {
563                 fprintf(stderr, "This case cannot work.  Use -f to perform "
564                         "the test anyway (and\n-d to see what happens), "
565                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
566                         "to avoid protocol mismatch.\n");
567                 EXIT(1);
568                 }
569
570         if (print_time)
571                 {
572                 if (!bio_pair)
573                         {
574                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
575                         bio_pair = 1;
576                         }
577                 if (number < 50 && !force)
578                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
579                 }
580
581 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
582
583         SSL_library_init();
584         SSL_load_error_strings();
585
586         if (comp == COMP_ZLIB) cm = COMP_zlib();
587         if (comp == COMP_RLE) cm = COMP_rle();
588         if (cm != NULL)
589                 {
590                 if (cm->type != NID_undef)
591                         SSL_COMP_add_compression_method(comp, cm);
592                 else
593                         {
594                         fprintf(stderr,
595                                 "Warning: %s compression not supported\n",
596                                 (comp == COMP_RLE ? "rle" :
597                                         (comp == COMP_ZLIB ? "zlib" :
598                                                 "unknown")));
599                         ERR_print_errors_fp(stderr);
600                         }
601                 }
602
603 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
604         if (ssl2)
605                 meth=SSLv2_method();
606         else 
607         if (tls1)
608                 meth=TLSv1_method();
609         else
610         if (ssl3)
611                 meth=SSLv3_method();
612         else
613                 meth=SSLv23_method();
614 #else
615 #ifdef OPENSSL_NO_SSL2
616         meth=SSLv3_method();
617 #else
618         meth=SSLv2_method();
619 #endif
620 #endif
621
622         c_ctx=SSL_CTX_new(meth);
623         s_ctx=SSL_CTX_new(meth);
624         if ((c_ctx == NULL) || (s_ctx == NULL))
625                 {
626                 ERR_print_errors(bio_err);
627                 goto end;
628                 }
629
630         if (cipher != NULL)
631                 {
632                 SSL_CTX_set_cipher_list(c_ctx,cipher);
633                 SSL_CTX_set_cipher_list(s_ctx,cipher);
634                 }
635
636 #ifndef OPENSSL_NO_DH
637         if (!no_dhe)
638                 {
639                 if (dhe1024dsa)
640                         {
641                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
642                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
643                         dh=get_dh1024dsa();
644                         }
645                 else if (dhe1024)
646                         dh=get_dh1024();
647                 else
648                         dh=get_dh512();
649                 SSL_CTX_set_tmp_dh(s_ctx,dh);
650                 DH_free(dh);
651                 }
652 #else
653         (void)no_dhe;
654 #endif
655
656 #ifndef OPENSSL_NO_ECDH
657         if (!no_ecdhe)
658                 {
659                 ecdh = EC_KEY_new();
660                 if (ecdh != NULL)
661                         {
662                         if (named_curve)
663                                 {
664                                 int nid = OBJ_sn2nid(named_curve);
665
666                                 if (nid == 0)
667                                         {
668                                         BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve);
669                                         EC_KEY_free(ecdh);
670                                         goto end;
671                                         }
672
673                                 ecdh->group = EC_GROUP_new_by_nid(nid);
674                                 if (ecdh->group == NULL)
675                                         {
676                                         BIO_printf(bio_err, "unable to create curve (%s)\n", named_curve);
677                                         EC_KEY_free(ecdh);
678                                         goto end;
679                                         }
680                                 }
681                         
682                         if (ecdh->group == NULL)
683                                 ecdh->group=EC_GROUP_new_by_nid(NID_sect163r2);
684
685                         SSL_CTX_set_tmp_ecdh(s_ctx, ecdh);
686                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_ECDH_USE);
687                         EC_KEY_free(ecdh);
688                         }
689                 }
690 #else
691         (void)no_ecdhe;
692 #endif
693
694 #ifndef OPENSSL_NO_RSA
695         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
696 #endif
697
698         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
699                 {
700                 ERR_print_errors(bio_err);
701                 }
702         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
703                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
704                 {
705                 ERR_print_errors(bio_err);
706                 goto end;
707                 }
708
709         if (client_auth)
710                 {
711                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
712                         SSL_FILETYPE_PEM);
713                 SSL_CTX_use_PrivateKey_file(c_ctx,
714                         (client_key?client_key:client_cert),
715                         SSL_FILETYPE_PEM);
716                 }
717
718         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
719                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
720                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
721                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
722                 {
723                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
724                 ERR_print_errors(bio_err);
725                 /* goto end; */
726                 }
727
728         if (client_auth)
729                 {
730                 BIO_printf(bio_err,"client authentication\n");
731                 SSL_CTX_set_verify(s_ctx,
732                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
733                         verify_callback);
734                 if (app_verify) 
735                         {
736                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
737                         }
738                 }
739         if (server_auth)
740                 {
741                 BIO_printf(bio_err,"server authentication\n");
742                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
743                         verify_callback);
744                 if (app_verify) 
745                         {
746                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
747                         }
748                 }
749         
750         {
751                 int session_id_context = 0;
752                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
753         }
754
755         c_ssl=SSL_new(c_ctx);
756         s_ssl=SSL_new(s_ctx);
757
758 #ifndef OPENSSL_NO_KRB5
759         if (c_ssl  &&  c_ssl->kssl_ctx)
760                 {
761                 char    localhost[MAXHOSTNAMELEN+2];
762
763                 if (gethostname(localhost, sizeof localhost-1) == 0)
764                         {
765                         localhost[sizeof localhost-1]='\0';
766                         if(strlen(localhost) == sizeof localhost-1)
767                                 {
768                                 BIO_printf(bio_err,"localhost name too long\n");
769                                 goto end;
770                                 }
771                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
772                                 localhost);
773                         }
774                 }
775 #endif    /* OPENSSL_NO_KRB5  */
776
777         for (i=0; i<number; i++)
778                 {
779                 if (!reuse) SSL_set_session(c_ssl,NULL);
780                 if (bio_pair)
781                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
782                 else
783                         ret=doit(s_ssl,c_ssl,bytes);
784                 }
785
786         if (!verbose)
787                 {
788                 print_details(c_ssl, "");
789                 }
790         if ((number > 1) || (bytes > 1L))
791                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
792         if (print_time)
793                 {
794 #ifdef CLOCKS_PER_SEC
795                 /* "To determine the time in seconds, the value returned
796                  * by the clock function should be divided by the value
797                  * of the macro CLOCKS_PER_SEC."
798                  *                                       -- ISO/IEC 9899 */
799                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
800                         "Approximate total client time: %6.2f s\n",
801                         (double)s_time/CLOCKS_PER_SEC,
802                         (double)c_time/CLOCKS_PER_SEC);
803 #else
804                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
805                  *                            -- cc on NeXTstep/OpenStep */
806                 BIO_printf(bio_stdout,
807                         "Approximate total server time: %6.2f units\n"
808                         "Approximate total client time: %6.2f units\n",
809                         (double)s_time,
810                         (double)c_time);
811 #endif
812                 }
813
814         SSL_free(s_ssl);
815         SSL_free(c_ssl);
816
817 end:
818         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
819         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
820
821         if (bio_stdout != NULL) BIO_free(bio_stdout);
822
823 #ifndef OPENSSL_NO_RSA
824         free_tmp_rsa();
825 #endif
826         ENGINE_cleanup();
827         CRYPTO_cleanup_all_ex_data();
828         ERR_free_strings();
829         ERR_remove_state(0);
830         EVP_cleanup();
831         CRYPTO_mem_leaks(bio_err);
832         if (bio_err != NULL) BIO_free(bio_err);
833         EXIT(ret);
834         }
835
836 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
837         clock_t *s_time, clock_t *c_time)
838         {
839         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
840         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
841         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
842         int ret = 1;
843         
844         size_t bufsiz = 256; /* small buffer for testing */
845
846         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
847                 goto err;
848         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
849                 goto err;
850         
851         s_ssl_bio = BIO_new(BIO_f_ssl());
852         if (!s_ssl_bio)
853                 goto err;
854
855         c_ssl_bio = BIO_new(BIO_f_ssl());
856         if (!c_ssl_bio)
857                 goto err;
858
859         SSL_set_connect_state(c_ssl);
860         SSL_set_bio(c_ssl, client, client);
861         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
862
863         SSL_set_accept_state(s_ssl);
864         SSL_set_bio(s_ssl, server, server);
865         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
866
867         do
868                 {
869                 /* c_ssl_bio:          SSL filter BIO
870                  *
871                  * client:             pseudo-I/O for SSL library
872                  *
873                  * client_io:          client's SSL communication; usually to be
874                  *                     relayed over some I/O facility, but in this
875                  *                     test program, we're the server, too:
876                  *
877                  * server_io:          server's SSL communication
878                  *
879                  * server:             pseudo-I/O for SSL library
880                  *
881                  * s_ssl_bio:          SSL filter BIO
882                  *
883                  * The client and the server each employ a "BIO pair":
884                  * client + client_io, server + server_io.
885                  * BIO pairs are symmetric.  A BIO pair behaves similar
886                  * to a non-blocking socketpair (but both endpoints must
887                  * be handled by the same thread).
888                  * [Here we could connect client and server to the ends
889                  * of a single BIO pair, but then this code would be less
890                  * suitable as an example for BIO pairs in general.]
891                  *
892                  * Useful functions for querying the state of BIO pair endpoints:
893                  *
894                  * BIO_ctrl_pending(bio)              number of bytes we can read now
895                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
896                  *                                      other side's read attempt
897                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
898                  *
899                  * ..._read_request is never more than ..._write_guarantee;
900                  * it depends on the application which one you should use.
901                  */
902
903                 /* We have non-blocking behaviour throughout this test program, but
904                  * can be sure that there is *some* progress in each iteration; so
905                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
906                  * -- we just try everything in each iteration
907                  */
908
909                         {
910                         /* CLIENT */
911                 
912                         MS_STATIC char cbuf[1024*8];
913                         int i, r;
914                         clock_t c_clock = clock();
915
916                         memset(cbuf, 0, sizeof(cbuf));
917
918                         if (debug)
919                                 if (SSL_in_init(c_ssl))
920                                         printf("client waiting in SSL_connect - %s\n",
921                                                 SSL_state_string_long(c_ssl));
922
923                         if (cw_num > 0)
924                                 {
925                                 /* Write to server. */
926                                 
927                                 if (cw_num > (long)sizeof cbuf)
928                                         i = sizeof cbuf;
929                                 else
930                                         i = (int)cw_num;
931                                 r = BIO_write(c_ssl_bio, cbuf, i);
932                                 if (r < 0)
933                                         {
934                                         if (!BIO_should_retry(c_ssl_bio))
935                                                 {
936                                                 fprintf(stderr,"ERROR in CLIENT\n");
937                                                 goto err;
938                                                 }
939                                         /* BIO_should_retry(...) can just be ignored here.
940                                          * The library expects us to call BIO_write with
941                                          * the same arguments again, and that's what we will
942                                          * do in the next iteration. */
943                                         }
944                                 else if (r == 0)
945                                         {
946                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
947                                         goto err;
948                                         }
949                                 else
950                                         {
951                                         if (debug)
952                                                 printf("client wrote %d\n", r);
953                                         cw_num -= r;                            
954                                         }
955                                 }
956
957                         if (cr_num > 0)
958                                 {
959                                 /* Read from server. */
960
961                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
962                                 if (r < 0)
963                                         {
964                                         if (!BIO_should_retry(c_ssl_bio))
965                                                 {
966                                                 fprintf(stderr,"ERROR in CLIENT\n");
967                                                 goto err;
968                                                 }
969                                         /* Again, "BIO_should_retry" can be ignored. */
970                                         }
971                                 else if (r == 0)
972                                         {
973                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
974                                         goto err;
975                                         }
976                                 else
977                                         {
978                                         if (debug)
979                                                 printf("client read %d\n", r);
980                                         cr_num -= r;
981                                         }
982                                 }
983
984                         /* c_time and s_time increments will typically be very small
985                          * (depending on machine speed and clock tick intervals),
986                          * but sampling over a large number of connections should
987                          * result in fairly accurate figures.  We cannot guarantee
988                          * a lot, however -- if each connection lasts for exactly
989                          * one clock tick, it will be counted only for the client
990                          * or only for the server or even not at all.
991                          */
992                         *c_time += (clock() - c_clock);
993                         }
994
995                         {
996                         /* SERVER */
997                 
998                         MS_STATIC char sbuf[1024*8];
999                         int i, r;
1000                         clock_t s_clock = clock();
1001
1002                         memset(sbuf, 0, sizeof(sbuf));
1003
1004                         if (debug)
1005                                 if (SSL_in_init(s_ssl))
1006                                         printf("server waiting in SSL_accept - %s\n",
1007                                                 SSL_state_string_long(s_ssl));
1008
1009                         if (sw_num > 0)
1010                                 {
1011                                 /* Write to client. */
1012                                 
1013                                 if (sw_num > (long)sizeof sbuf)
1014                                         i = sizeof sbuf;
1015                                 else
1016                                         i = (int)sw_num;
1017                                 r = BIO_write(s_ssl_bio, sbuf, i);
1018                                 if (r < 0)
1019                                         {
1020                                         if (!BIO_should_retry(s_ssl_bio))
1021                                                 {
1022                                                 fprintf(stderr,"ERROR in SERVER\n");
1023                                                 goto err;
1024                                                 }
1025                                         /* Ignore "BIO_should_retry". */
1026                                         }
1027                                 else if (r == 0)
1028                                         {
1029                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1030                                         goto err;
1031                                         }
1032                                 else
1033                                         {
1034                                         if (debug)
1035                                                 printf("server wrote %d\n", r);
1036                                         sw_num -= r;                            
1037                                         }
1038                                 }
1039
1040                         if (sr_num > 0)
1041                                 {
1042                                 /* Read from client. */
1043
1044                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
1045                                 if (r < 0)
1046                                         {
1047                                         if (!BIO_should_retry(s_ssl_bio))
1048                                                 {
1049                                                 fprintf(stderr,"ERROR in SERVER\n");
1050                                                 goto err;
1051                                                 }
1052                                         /* blah, blah */
1053                                         }
1054                                 else if (r == 0)
1055                                         {
1056                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1057                                         goto err;
1058                                         }
1059                                 else
1060                                         {
1061                                         if (debug)
1062                                                 printf("server read %d\n", r);
1063                                         sr_num -= r;
1064                                         }
1065                                 }
1066
1067                         *s_time += (clock() - s_clock);
1068                         }
1069                         
1070                         {
1071                         /* "I/O" BETWEEN CLIENT AND SERVER. */
1072
1073                         size_t r1, r2;
1074                         BIO *io1 = server_io, *io2 = client_io;
1075                         /* we use the non-copying interface for io1
1076                          * and the standard BIO_write/BIO_read interface for io2
1077                          */
1078                         
1079                         static int prev_progress = 1;
1080                         int progress = 0;
1081                         
1082                         /* io1 to io2 */
1083                         do
1084                                 {
1085                                 size_t num;
1086                                 int r;
1087
1088                                 r1 = BIO_ctrl_pending(io1);
1089                                 r2 = BIO_ctrl_get_write_guarantee(io2);
1090
1091                                 num = r1;
1092                                 if (r2 < num)
1093                                         num = r2;
1094                                 if (num)
1095                                         {
1096                                         char *dataptr;
1097
1098                                         if (INT_MAX < num) /* yeah, right */
1099                                                 num = INT_MAX;
1100                                         
1101                                         r = BIO_nread(io1, &dataptr, (int)num);
1102                                         assert(r > 0);
1103                                         assert(r <= (int)num);
1104                                         /* possibly r < num (non-contiguous data) */
1105                                         num = r;
1106                                         r = BIO_write(io2, dataptr, (int)num);
1107                                         if (r != (int)num) /* can't happen */
1108                                                 {
1109                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1110                                                         "BIO_ctrl_get_write_guarantee() bytes");
1111                                                 goto err;
1112                                                 }
1113                                         progress = 1;
1114
1115                                         if (debug)
1116                                                 printf((io1 == client_io) ?
1117                                                         "C->S relaying: %d bytes\n" :
1118                                                         "S->C relaying: %d bytes\n",
1119                                                         (int)num);
1120                                         }
1121                                 }
1122                         while (r1 && r2);
1123
1124                         /* io2 to io1 */
1125                         {
1126                                 size_t num;
1127                                 int r;
1128
1129                                 r1 = BIO_ctrl_pending(io2);
1130                                 r2 = BIO_ctrl_get_read_request(io1);
1131                                 /* here we could use ..._get_write_guarantee instead of
1132                                  * ..._get_read_request, but by using the latter
1133                                  * we test restartability of the SSL implementation
1134                                  * more thoroughly */
1135                                 num = r1;
1136                                 if (r2 < num)
1137                                         num = r2;
1138                                 if (num)
1139                                         {
1140                                         char *dataptr;
1141                                         
1142                                         if (INT_MAX < num)
1143                                                 num = INT_MAX;
1144
1145                                         if (num > 1)
1146                                                 --num; /* test restartability even more thoroughly */
1147                                         
1148                                         r = BIO_nwrite0(io1, &dataptr);
1149                                         assert(r > 0);
1150                                         if (r < (int)num)
1151                                                 num = r;
1152                                         r = BIO_read(io2, dataptr, (int)num);
1153                                         if (r != (int)num) /* can't happen */
1154                                                 {
1155                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1156                                                         "BIO_ctrl_pending() bytes");
1157                                                 goto err;
1158                                                 }
1159                                         progress = 1;
1160                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1161                                         if (r != (int)num) /* can't happen */
1162                                                 {
1163                                                 fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
1164                                                         "BIO_nwrite0() bytes");
1165                                                 goto err;
1166                                                 }
1167                                         
1168                                         if (debug)
1169                                                 printf((io2 == client_io) ?
1170                                                         "C->S relaying: %d bytes\n" :
1171                                                         "S->C relaying: %d bytes\n",
1172                                                         (int)num);
1173                                         }
1174                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1175
1176                         if (!progress && !prev_progress)
1177                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1178                                         {
1179                                         fprintf(stderr, "ERROR: got stuck\n");
1180                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1181                                                 {
1182                                                 fprintf(stderr, "This can happen for SSL2 because "
1183                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1184                                                         "concurrently ...");
1185                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1186                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1187                                                         {
1188                                                         fprintf(stderr, " ok.\n");
1189                                                         goto end;
1190                                                         }
1191                                                 }
1192                                         fprintf(stderr, " ERROR.\n");
1193                                         goto err;
1194                                         }
1195                         prev_progress = progress;
1196                         }
1197                 }
1198         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1199
1200         if (verbose)
1201                 print_details(c_ssl, "DONE via BIO pair: ");
1202 end:
1203         ret = 0;
1204
1205  err:
1206         ERR_print_errors(bio_err);
1207         
1208         if (server)
1209                 BIO_free(server);
1210         if (server_io)
1211                 BIO_free(server_io);
1212         if (client)
1213                 BIO_free(client);
1214         if (client_io)
1215                 BIO_free(client_io);
1216         if (s_ssl_bio)
1217                 BIO_free(s_ssl_bio);
1218         if (c_ssl_bio)
1219                 BIO_free(c_ssl_bio);
1220
1221         return ret;
1222         }
1223
1224
1225 #define W_READ  1
1226 #define W_WRITE 2
1227 #define C_DONE  1
1228 #define S_DONE  2
1229
1230 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1231         {
1232         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1233         long cw_num=count,cr_num=count;
1234         long sw_num=count,sr_num=count;
1235         int ret=1;
1236         BIO *c_to_s=NULL;
1237         BIO *s_to_c=NULL;
1238         BIO *c_bio=NULL;
1239         BIO *s_bio=NULL;
1240         int c_r,c_w,s_r,s_w;
1241         int c_want,s_want;
1242         int i,j;
1243         int done=0;
1244         int c_write,s_write;
1245         int do_server=0,do_client=0;
1246
1247         memset(cbuf,0,sizeof(cbuf));
1248         memset(sbuf,0,sizeof(sbuf));
1249
1250         c_to_s=BIO_new(BIO_s_mem());
1251         s_to_c=BIO_new(BIO_s_mem());
1252         if ((s_to_c == NULL) || (c_to_s == NULL))
1253                 {
1254                 ERR_print_errors(bio_err);
1255                 goto err;
1256                 }
1257
1258         c_bio=BIO_new(BIO_f_ssl());
1259         s_bio=BIO_new(BIO_f_ssl());
1260         if ((c_bio == NULL) || (s_bio == NULL))
1261                 {
1262                 ERR_print_errors(bio_err);
1263                 goto err;
1264                 }
1265
1266         SSL_set_connect_state(c_ssl);
1267         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1268         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1269
1270         SSL_set_accept_state(s_ssl);
1271         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1272         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1273
1274         c_r=0; s_r=1;
1275         c_w=1; s_w=0;
1276         c_want=W_WRITE;
1277         s_want=0;
1278         c_write=1,s_write=0;
1279
1280         /* We can always do writes */
1281         for (;;)
1282                 {
1283                 do_server=0;
1284                 do_client=0;
1285
1286                 i=(int)BIO_pending(s_bio);
1287                 if ((i && s_r) || s_w) do_server=1;
1288
1289                 i=(int)BIO_pending(c_bio);
1290                 if ((i && c_r) || c_w) do_client=1;
1291
1292                 if (do_server && debug)
1293                         {
1294                         if (SSL_in_init(s_ssl))
1295                                 printf("server waiting in SSL_accept - %s\n",
1296                                         SSL_state_string_long(s_ssl));
1297 /*                      else if (s_write)
1298                                 printf("server:SSL_write()\n");
1299                         else
1300                                 printf("server:SSL_read()\n"); */
1301                         }
1302
1303                 if (do_client && debug)
1304                         {
1305                         if (SSL_in_init(c_ssl))
1306                                 printf("client waiting in SSL_connect - %s\n",
1307                                         SSL_state_string_long(c_ssl));
1308 /*                      else if (c_write)
1309                                 printf("client:SSL_write()\n");
1310                         else
1311                                 printf("client:SSL_read()\n"); */
1312                         }
1313
1314                 if (!do_client && !do_server)
1315                         {
1316                         fprintf(stdout,"ERROR IN STARTUP\n");
1317                         ERR_print_errors(bio_err);
1318                         break;
1319                         }
1320                 if (do_client && !(done & C_DONE))
1321                         {
1322                         if (c_write)
1323                                 {
1324                                 j=(cw_num > (long)sizeof(cbuf))
1325                                         ?sizeof(cbuf):(int)cw_num;
1326                                 i=BIO_write(c_bio,cbuf,j);
1327                                 if (i < 0)
1328                                         {
1329                                         c_r=0;
1330                                         c_w=0;
1331                                         if (BIO_should_retry(c_bio))
1332                                                 {
1333                                                 if (BIO_should_read(c_bio))
1334                                                         c_r=1;
1335                                                 if (BIO_should_write(c_bio))
1336                                                         c_w=1;
1337                                                 }
1338                                         else
1339                                                 {
1340                                                 fprintf(stderr,"ERROR in CLIENT\n");
1341                                                 ERR_print_errors(bio_err);
1342                                                 goto err;
1343                                                 }
1344                                         }
1345                                 else if (i == 0)
1346                                         {
1347                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1348                                         goto err;
1349                                         }
1350                                 else
1351                                         {
1352                                         if (debug)
1353                                                 printf("client wrote %d\n",i);
1354                                         /* ok */
1355                                         s_r=1;
1356                                         c_write=0;
1357                                         cw_num-=i;
1358                                         }
1359                                 }
1360                         else
1361                                 {
1362                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1363                                 if (i < 0)
1364                                         {
1365                                         c_r=0;
1366                                         c_w=0;
1367                                         if (BIO_should_retry(c_bio))
1368                                                 {
1369                                                 if (BIO_should_read(c_bio))
1370                                                         c_r=1;
1371                                                 if (BIO_should_write(c_bio))
1372                                                         c_w=1;
1373                                                 }
1374                                         else
1375                                                 {
1376                                                 fprintf(stderr,"ERROR in CLIENT\n");
1377                                                 ERR_print_errors(bio_err);
1378                                                 goto err;
1379                                                 }
1380                                         }
1381                                 else if (i == 0)
1382                                         {
1383                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1384                                         goto err;
1385                                         }
1386                                 else
1387                                         {
1388                                         if (debug)
1389                                                 printf("client read %d\n",i);
1390                                         cr_num-=i;
1391                                         if (sw_num > 0)
1392                                                 {
1393                                                 s_write=1;
1394                                                 s_w=1;
1395                                                 }
1396                                         if (cr_num <= 0)
1397                                                 {
1398                                                 s_write=1;
1399                                                 s_w=1;
1400                                                 done=S_DONE|C_DONE;
1401                                                 }
1402                                         }
1403                                 }
1404                         }
1405
1406                 if (do_server && !(done & S_DONE))
1407                         {
1408                         if (!s_write)
1409                                 {
1410                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1411                                 if (i < 0)
1412                                         {
1413                                         s_r=0;
1414                                         s_w=0;
1415                                         if (BIO_should_retry(s_bio))
1416                                                 {
1417                                                 if (BIO_should_read(s_bio))
1418                                                         s_r=1;
1419                                                 if (BIO_should_write(s_bio))
1420                                                         s_w=1;
1421                                                 }
1422                                         else
1423                                                 {
1424                                                 fprintf(stderr,"ERROR in SERVER\n");
1425                                                 ERR_print_errors(bio_err);
1426                                                 goto err;
1427                                                 }
1428                                         }
1429                                 else if (i == 0)
1430                                         {
1431                                         ERR_print_errors(bio_err);
1432                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1433                                         goto err;
1434                                         }
1435                                 else
1436                                         {
1437                                         if (debug)
1438                                                 printf("server read %d\n",i);
1439                                         sr_num-=i;
1440                                         if (cw_num > 0)
1441                                                 {
1442                                                 c_write=1;
1443                                                 c_w=1;
1444                                                 }
1445                                         if (sr_num <= 0)
1446                                                 {
1447                                                 s_write=1;
1448                                                 s_w=1;
1449                                                 c_write=0;
1450                                                 }
1451                                         }
1452                                 }
1453                         else
1454                                 {
1455                                 j=(sw_num > (long)sizeof(sbuf))?
1456                                         sizeof(sbuf):(int)sw_num;
1457                                 i=BIO_write(s_bio,sbuf,j);
1458                                 if (i < 0)
1459                                         {
1460                                         s_r=0;
1461                                         s_w=0;
1462                                         if (BIO_should_retry(s_bio))
1463                                                 {
1464                                                 if (BIO_should_read(s_bio))
1465                                                         s_r=1;
1466                                                 if (BIO_should_write(s_bio))
1467                                                         s_w=1;
1468                                                 }
1469                                         else
1470                                                 {
1471                                                 fprintf(stderr,"ERROR in SERVER\n");
1472                                                 ERR_print_errors(bio_err);
1473                                                 goto err;
1474                                                 }
1475                                         }
1476                                 else if (i == 0)
1477                                         {
1478                                         ERR_print_errors(bio_err);
1479                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1480                                         goto err;
1481                                         }
1482                                 else
1483                                         {
1484                                         if (debug)
1485                                                 printf("server wrote %d\n",i);
1486                                         sw_num-=i;
1487                                         s_write=0;
1488                                         c_r=1;
1489                                         if (sw_num <= 0)
1490                                                 done|=S_DONE;
1491                                         }
1492                                 }
1493                         }
1494
1495                 if ((done & S_DONE) && (done & C_DONE)) break;
1496                 }
1497
1498         if (verbose)
1499                 print_details(c_ssl, "DONE: ");
1500         ret=0;
1501 err:
1502         /* We have to set the BIO's to NULL otherwise they will be
1503          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1504          * again when c_ssl is SSL_free()ed.
1505          * This is a hack required because s_ssl and c_ssl are sharing the same
1506          * BIO structure and SSL_set_bio() and SSL_free() automatically
1507          * BIO_free non NULL entries.
1508          * You should not normally do this or be required to do this */
1509         if (s_ssl != NULL)
1510                 {
1511                 s_ssl->rbio=NULL;
1512                 s_ssl->wbio=NULL;
1513                 }
1514         if (c_ssl != NULL)
1515                 {
1516                 c_ssl->rbio=NULL;
1517                 c_ssl->wbio=NULL;
1518                 }
1519
1520         if (c_to_s != NULL) BIO_free(c_to_s);
1521         if (s_to_c != NULL) BIO_free(s_to_c);
1522         if (c_bio != NULL) BIO_free_all(c_bio);
1523         if (s_bio != NULL) BIO_free_all(s_bio);
1524         return(ret);
1525         }
1526
1527 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1528         {
1529         char *s,buf[256];
1530
1531         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,
1532                             sizeof buf);
1533         if (s != NULL)
1534                 {
1535                 if (ok)
1536                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1537                 else
1538                         fprintf(stderr,"depth=%d error=%d %s\n",
1539                                 ctx->error_depth,ctx->error,buf);
1540                 }
1541
1542         if (ok == 0)
1543                 {
1544                 switch (ctx->error)
1545                         {
1546                 case X509_V_ERR_CERT_NOT_YET_VALID:
1547                 case X509_V_ERR_CERT_HAS_EXPIRED:
1548                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1549                         ok=1;
1550                         }
1551                 }
1552
1553         return(ok);
1554         }
1555
1556 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
1557         {
1558         char *s = NULL,buf[256];
1559         int ok=1;
1560
1561         fprintf(stderr, "In app_verify_callback, allowing cert. ");
1562         fprintf(stderr, "Arg is: %s\n", (char *)arg);
1563         fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
1564                         (unsigned int)ctx, (unsigned int)ctx->cert);
1565         if (ctx->cert)
1566                 s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
1567         if (s != NULL)
1568                 {
1569                         fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
1570                 }
1571
1572         return(ok);
1573         }
1574
1575 #ifndef OPENSSL_NO_RSA
1576 static RSA *rsa_tmp=NULL;
1577
1578 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1579         {
1580         if (rsa_tmp == NULL)
1581                 {
1582                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1583                 (void)BIO_flush(bio_err);
1584                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1585                 BIO_printf(bio_err,"\n");
1586                 (void)BIO_flush(bio_err);
1587                 }
1588         return(rsa_tmp);
1589         }
1590
1591 static void free_tmp_rsa(void)
1592         {
1593         if (rsa_tmp != NULL)
1594                 {
1595                 RSA_free(rsa_tmp);
1596                 rsa_tmp = NULL;
1597                 }
1598         }
1599 #endif
1600
1601 #ifndef OPENSSL_NO_DH
1602 /* These DH parameters have been generated as follows:
1603  *    $ openssl dhparam -C -noout 512
1604  *    $ openssl dhparam -C -noout 1024
1605  *    $ openssl dhparam -C -noout -dsaparam 1024
1606  * (The third function has been renamed to avoid name conflicts.)
1607  */
1608 static DH *get_dh512()
1609         {
1610         static unsigned char dh512_p[]={
1611                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1612                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1613                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1614                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1615                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1616                 0x02,0xC5,0xAE,0x23,
1617                 };
1618         static unsigned char dh512_g[]={
1619                 0x02,
1620                 };
1621         DH *dh;
1622
1623         if ((dh=DH_new()) == NULL) return(NULL);
1624         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1625         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1626         if ((dh->p == NULL) || (dh->g == NULL))
1627                 { DH_free(dh); return(NULL); }
1628         return(dh);
1629         }
1630
1631 static DH *get_dh1024()
1632         {
1633         static unsigned char dh1024_p[]={
1634                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1635                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1636                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1637                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1638                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1639                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1640                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1641                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1642                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1643                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1644                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1645                 };
1646         static unsigned char dh1024_g[]={
1647                 0x02,
1648                 };
1649         DH *dh;
1650
1651         if ((dh=DH_new()) == NULL) return(NULL);
1652         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1653         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1654         if ((dh->p == NULL) || (dh->g == NULL))
1655                 { DH_free(dh); return(NULL); }
1656         return(dh);
1657         }
1658
1659 static DH *get_dh1024dsa()
1660         {
1661         static unsigned char dh1024_p[]={
1662                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1663                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1664                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1665                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1666                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1667                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1668                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1669                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1670                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1671                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1672                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1673                 };
1674         static unsigned char dh1024_g[]={
1675                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1676                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1677                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1678                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1679                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1680                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1681                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1682                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1683                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1684                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1685                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1686                 };
1687         DH *dh;
1688
1689         if ((dh=DH_new()) == NULL) return(NULL);
1690         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1691         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1692         if ((dh->p == NULL) || (dh->g == NULL))
1693                 { DH_free(dh); return(NULL); }
1694         dh->length = 160;
1695         return(dh);
1696         }
1697 #endif