035a4d2deb71f0ec4a188fc9f59801a31ba18ef6
[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         CRYPTO_set_locking_callback(lock_dbg_cb);
390
391         /* enable memory leak checking unless explicitly disabled */
392         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
393                 {
394                 CRYPTO_malloc_debug_init();
395                 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
396                 }
397         else
398                 {
399                 /* OPENSSL_DEBUG_MEMORY=off */
400                 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
401                 }
402         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
403
404         RAND_seed(rnd_seed, sizeof rnd_seed);
405
406         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
407         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
408
409         argc--;
410         argv++;
411
412         while (argc >= 1)
413                 {
414                 if      (strcmp(*argv,"-server_auth") == 0)
415                         server_auth=1;
416                 else if (strcmp(*argv,"-client_auth") == 0)
417                         client_auth=1;
418                 else if (strcmp(*argv,"-v") == 0)
419                         verbose=1;
420                 else if (strcmp(*argv,"-d") == 0)
421                         debug=1;
422                 else if (strcmp(*argv,"-reuse") == 0)
423                         reuse=1;
424                 else if (strcmp(*argv,"-dhe1024") == 0)
425                         {
426 #ifndef OPENSSL_NO_DH
427                         dhe1024=1;
428 #else
429                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
430 #endif
431                         }
432                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
433                         {
434 #ifndef OPENSSL_NO_DH
435                         dhe1024dsa=1;
436 #else
437                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
438 #endif
439                         }
440                 else if (strcmp(*argv,"-no_dhe") == 0)
441                         no_dhe=1;
442                 else if (strcmp(*argv,"-no_ecdhe") == 0)
443                         no_ecdhe=1;
444                 else if (strcmp(*argv,"-ssl2") == 0)
445                         ssl2=1;
446                 else if (strcmp(*argv,"-tls1") == 0)
447                         tls1=1;
448                 else if (strcmp(*argv,"-ssl3") == 0)
449                         ssl3=1;
450                 else if (strncmp(*argv,"-num",4) == 0)
451                         {
452                         if (--argc < 1) goto bad;
453                         number= atoi(*(++argv));
454                         if (number == 0) number=1;
455                         }
456                 else if (strcmp(*argv,"-bytes") == 0)
457                         {
458                         if (--argc < 1) goto bad;
459                         bytes= atol(*(++argv));
460                         if (bytes == 0L) bytes=1L;
461                         i=strlen(argv[0]);
462                         if (argv[0][i-1] == 'k') bytes*=1024L;
463                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
464                         }
465                 else if (strcmp(*argv,"-cert") == 0)
466                         {
467                         if (--argc < 1) goto bad;
468                         server_cert= *(++argv);
469                         }
470                 else if (strcmp(*argv,"-s_cert") == 0)
471                         {
472                         if (--argc < 1) goto bad;
473                         server_cert= *(++argv);
474                         }
475                 else if (strcmp(*argv,"-key") == 0)
476                         {
477                         if (--argc < 1) goto bad;
478                         server_key= *(++argv);
479                         }
480                 else if (strcmp(*argv,"-s_key") == 0)
481                         {
482                         if (--argc < 1) goto bad;
483                         server_key= *(++argv);
484                         }
485                 else if (strcmp(*argv,"-c_cert") == 0)
486                         {
487                         if (--argc < 1) goto bad;
488                         client_cert= *(++argv);
489                         }
490                 else if (strcmp(*argv,"-c_key") == 0)
491                         {
492                         if (--argc < 1) goto bad;
493                         client_key= *(++argv);
494                         }
495                 else if (strcmp(*argv,"-cipher") == 0)
496                         {
497                         if (--argc < 1) goto bad;
498                         cipher= *(++argv);
499                         }
500                 else if (strcmp(*argv,"-CApath") == 0)
501                         {
502                         if (--argc < 1) goto bad;
503                         CApath= *(++argv);
504                         }
505                 else if (strcmp(*argv,"-CAfile") == 0)
506                         {
507                         if (--argc < 1) goto bad;
508                         CAfile= *(++argv);
509                         }
510                 else if (strcmp(*argv,"-bio_pair") == 0)
511                         {
512                         bio_pair = 1;
513                         }
514                 else if (strcmp(*argv,"-f") == 0)
515                         {
516                         force = 1;
517                         }
518                 else if (strcmp(*argv,"-time") == 0)
519                         {
520                         print_time = 1;
521                         }
522                 else if (strcmp(*argv,"-zlib") == 0)
523                         {
524                         comp = COMP_ZLIB;
525                         }
526                 else if (strcmp(*argv,"-rle") == 0)
527                         {
528                         comp = COMP_RLE;
529                         }
530                 else if (strcmp(*argv,"-named_curve") == 0)
531                         {
532                         if (--argc < 1) goto bad;
533 #ifndef OPENSSL_NO_ECDH         
534                         named_curve = *(++argv);
535 #else
536                         fprintf(stderr,"ignoring -named_curve, since I'm compiled without ECDH\n");
537                         ++argv;
538 #endif
539                         }
540                 else if (strcmp(*argv,"-app_verify") == 0)
541                         {
542                         app_verify = 1;
543                         }
544                 else
545                         {
546                         fprintf(stderr,"unknown option %s\n",*argv);
547                         badop=1;
548                         break;
549                         }
550                 argc--;
551                 argv++;
552                 }
553         if (badop)
554                 {
555 bad:
556                 sv_usage();
557                 goto end;
558                 }
559
560         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
561                 {
562                 fprintf(stderr, "This case cannot work.  Use -f to perform "
563                         "the test anyway (and\n-d to see what happens), "
564                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
565                         "to avoid protocol mismatch.\n");
566                 exit(1);
567                 }
568
569         if (print_time)
570                 {
571                 if (!bio_pair)
572                         {
573                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
574                         bio_pair = 1;
575                         }
576                 if (number < 50 && !force)
577                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
578                 }
579
580 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
581
582         SSL_library_init();
583         SSL_load_error_strings();
584
585         if (comp == COMP_ZLIB) cm = COMP_zlib();
586         if (comp == COMP_RLE) cm = COMP_rle();
587         if (cm != NULL)
588                 {
589                 if (cm->type != NID_undef)
590                         SSL_COMP_add_compression_method(comp, cm);
591                 else
592                         {
593                         fprintf(stderr,
594                                 "Warning: %s compression not supported\n",
595                                 (comp == COMP_RLE ? "rle" :
596                                         (comp == COMP_ZLIB ? "zlib" :
597                                                 "unknown")));
598                         ERR_print_errors_fp(stderr);
599                         }
600                 }
601
602 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
603         if (ssl2)
604                 meth=SSLv2_method();
605         else 
606         if (tls1)
607                 meth=TLSv1_method();
608         else
609         if (ssl3)
610                 meth=SSLv3_method();
611         else
612                 meth=SSLv23_method();
613 #else
614 #ifdef OPENSSL_NO_SSL2
615         meth=SSLv3_method();
616 #else
617         meth=SSLv2_method();
618 #endif
619 #endif
620
621         c_ctx=SSL_CTX_new(meth);
622         s_ctx=SSL_CTX_new(meth);
623         if ((c_ctx == NULL) || (s_ctx == NULL))
624                 {
625                 ERR_print_errors(bio_err);
626                 goto end;
627                 }
628
629         if (cipher != NULL)
630                 {
631                 SSL_CTX_set_cipher_list(c_ctx,cipher);
632                 SSL_CTX_set_cipher_list(s_ctx,cipher);
633                 }
634
635 #ifndef OPENSSL_NO_DH
636         if (!no_dhe)
637                 {
638                 if (dhe1024dsa)
639                         {
640                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
641                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
642                         dh=get_dh1024dsa();
643                         }
644                 else if (dhe1024)
645                         dh=get_dh1024();
646                 else
647                         dh=get_dh512();
648                 SSL_CTX_set_tmp_dh(s_ctx,dh);
649                 DH_free(dh);
650                 }
651 #else
652         (void)no_dhe;
653 #endif
654
655 #ifndef OPENSSL_NO_ECDH
656         if (!no_ecdhe)
657                 {
658                 ecdh = EC_KEY_new();
659                 if (ecdh != NULL)
660                         {
661                         if (named_curve)
662                                 {
663                                 int nid = OBJ_sn2nid(named_curve);
664
665                                 if (nid == 0)
666                                         {
667                                         BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve);
668                                         EC_KEY_free(ecdh);
669                                         goto end;
670                                         }
671
672                                 ecdh->group = EC_GROUP_new_by_nid(nid);
673                                 if (ecdh->group == NULL)
674                                         {
675                                         BIO_printf(bio_err, "unable to create curve (%s)\n", named_curve);
676                                         EC_KEY_free(ecdh);
677                                         goto end;
678                                         }
679                                 }
680                         
681                         if (ecdh->group == NULL)
682                                 ecdh->group=EC_GROUP_new_by_nid(NID_sect163r2);
683
684                         SSL_CTX_set_tmp_ecdh(s_ctx, ecdh);
685                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_ECDH_USE);
686                         EC_KEY_free(ecdh);
687                         }
688                 }
689 #else
690         (void)no_ecdhe;
691 #endif
692
693 #ifndef OPENSSL_NO_RSA
694         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
695 #endif
696
697         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
698                 {
699                 ERR_print_errors(bio_err);
700                 }
701         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
702                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
703                 {
704                 ERR_print_errors(bio_err);
705                 goto end;
706                 }
707
708         if (client_auth)
709                 {
710                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
711                         SSL_FILETYPE_PEM);
712                 SSL_CTX_use_PrivateKey_file(c_ctx,
713                         (client_key?client_key:client_cert),
714                         SSL_FILETYPE_PEM);
715                 }
716
717         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
718                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
719                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
720                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
721                 {
722                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
723                 ERR_print_errors(bio_err);
724                 /* goto end; */
725                 }
726
727         if (client_auth)
728                 {
729                 BIO_printf(bio_err,"client authentication\n");
730                 SSL_CTX_set_verify(s_ctx,
731                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
732                         verify_callback);
733                 if (app_verify) 
734                         {
735                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
736                         }
737                 }
738         if (server_auth)
739                 {
740                 BIO_printf(bio_err,"server authentication\n");
741                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
742                         verify_callback);
743                 if (app_verify) 
744                         {
745                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
746                         }
747                 }
748         
749         {
750                 int session_id_context = 0;
751                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
752         }
753
754         c_ssl=SSL_new(c_ctx);
755         s_ssl=SSL_new(s_ctx);
756
757 #ifndef OPENSSL_NO_KRB5
758         if (c_ssl  &&  c_ssl->kssl_ctx)
759                 {
760                 char    localhost[MAXHOSTNAMELEN+2];
761
762                 if (gethostname(localhost, sizeof localhost-1) == 0)
763                         {
764                         localhost[sizeof localhost-1]='\0';
765                         if(strlen(localhost) == sizeof localhost-1)
766                                 {
767                                 BIO_printf(bio_err,"localhost name too long\n");
768                                 got end;
769                                 }
770                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
771                                 localhost);
772                         }
773                 }
774 #endif    /* OPENSSL_NO_KRB5  */
775
776         for (i=0; i<number; i++)
777                 {
778                 if (!reuse) SSL_set_session(c_ssl,NULL);
779                 if (bio_pair)
780                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
781                 else
782                         ret=doit(s_ssl,c_ssl,bytes);
783                 }
784
785         if (!verbose)
786                 {
787                 print_details(c_ssl, "");
788                 }
789         if ((number > 1) || (bytes > 1L))
790                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
791         if (print_time)
792                 {
793 #ifdef CLOCKS_PER_SEC
794                 /* "To determine the time in seconds, the value returned
795                  * by the clock function should be divided by the value
796                  * of the macro CLOCKS_PER_SEC."
797                  *                                       -- ISO/IEC 9899 */
798                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
799                         "Approximate total client time: %6.2f s\n",
800                         (double)s_time/CLOCKS_PER_SEC,
801                         (double)c_time/CLOCKS_PER_SEC);
802 #else
803                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
804                  *                            -- cc on NeXTstep/OpenStep */
805                 BIO_printf(bio_stdout,
806                         "Approximate total server time: %6.2f units\n"
807                         "Approximate total client time: %6.2f units\n",
808                         (double)s_time,
809                         (double)c_time);
810 #endif
811                 }
812
813         SSL_free(s_ssl);
814         SSL_free(c_ssl);
815
816 end:
817         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
818         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
819
820         if (bio_stdout != NULL) BIO_free(bio_stdout);
821
822 #ifndef OPENSSL_NO_RSA
823         free_tmp_rsa();
824 #endif
825         ENGINE_cleanup();
826         CRYPTO_cleanup_all_ex_data();
827         ERR_free_strings();
828         ERR_remove_state(0);
829         EVP_cleanup();
830         CRYPTO_mem_leaks(bio_err);
831         if (bio_err != NULL) BIO_free(bio_err);
832         EXIT(ret);
833         }
834
835 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
836         clock_t *s_time, clock_t *c_time)
837         {
838         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
839         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
840         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
841         int ret = 1;
842         
843         size_t bufsiz = 256; /* small buffer for testing */
844
845         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
846                 goto err;
847         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
848                 goto err;
849         
850         s_ssl_bio = BIO_new(BIO_f_ssl());
851         if (!s_ssl_bio)
852                 goto err;
853
854         c_ssl_bio = BIO_new(BIO_f_ssl());
855         if (!c_ssl_bio)
856                 goto err;
857
858         SSL_set_connect_state(c_ssl);
859         SSL_set_bio(c_ssl, client, client);
860         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
861
862         SSL_set_accept_state(s_ssl);
863         SSL_set_bio(s_ssl, server, server);
864         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
865
866         do
867                 {
868                 /* c_ssl_bio:          SSL filter BIO
869                  *
870                  * client:             pseudo-I/O for SSL library
871                  *
872                  * client_io:          client's SSL communication; usually to be
873                  *                     relayed over some I/O facility, but in this
874                  *                     test program, we're the server, too:
875                  *
876                  * server_io:          server's SSL communication
877                  *
878                  * server:             pseudo-I/O for SSL library
879                  *
880                  * s_ssl_bio:          SSL filter BIO
881                  *
882                  * The client and the server each employ a "BIO pair":
883                  * client + client_io, server + server_io.
884                  * BIO pairs are symmetric.  A BIO pair behaves similar
885                  * to a non-blocking socketpair (but both endpoints must
886                  * be handled by the same thread).
887                  * [Here we could connect client and server to the ends
888                  * of a single BIO pair, but then this code would be less
889                  * suitable as an example for BIO pairs in general.]
890                  *
891                  * Useful functions for querying the state of BIO pair endpoints:
892                  *
893                  * BIO_ctrl_pending(bio)              number of bytes we can read now
894                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
895                  *                                      other side's read attempt
896                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
897                  *
898                  * ..._read_request is never more than ..._write_guarantee;
899                  * it depends on the application which one you should use.
900                  */
901
902                 /* We have non-blocking behaviour throughout this test program, but
903                  * can be sure that there is *some* progress in each iteration; so
904                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
905                  * -- we just try everything in each iteration
906                  */
907
908                         {
909                         /* CLIENT */
910                 
911                         MS_STATIC char cbuf[1024*8];
912                         int i, r;
913                         clock_t c_clock = clock();
914
915                         memset(cbuf, 0, sizeof(cbuf));
916
917                         if (debug)
918                                 if (SSL_in_init(c_ssl))
919                                         printf("client waiting in SSL_connect - %s\n",
920                                                 SSL_state_string_long(c_ssl));
921
922                         if (cw_num > 0)
923                                 {
924                                 /* Write to server. */
925                                 
926                                 if (cw_num > (long)sizeof cbuf)
927                                         i = sizeof cbuf;
928                                 else
929                                         i = (int)cw_num;
930                                 r = BIO_write(c_ssl_bio, cbuf, i);
931                                 if (r < 0)
932                                         {
933                                         if (!BIO_should_retry(c_ssl_bio))
934                                                 {
935                                                 fprintf(stderr,"ERROR in CLIENT\n");
936                                                 goto err;
937                                                 }
938                                         /* BIO_should_retry(...) can just be ignored here.
939                                          * The library expects us to call BIO_write with
940                                          * the same arguments again, and that's what we will
941                                          * do in the next iteration. */
942                                         }
943                                 else if (r == 0)
944                                         {
945                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
946                                         goto err;
947                                         }
948                                 else
949                                         {
950                                         if (debug)
951                                                 printf("client wrote %d\n", r);
952                                         cw_num -= r;                            
953                                         }
954                                 }
955
956                         if (cr_num > 0)
957                                 {
958                                 /* Read from server. */
959
960                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
961                                 if (r < 0)
962                                         {
963                                         if (!BIO_should_retry(c_ssl_bio))
964                                                 {
965                                                 fprintf(stderr,"ERROR in CLIENT\n");
966                                                 goto err;
967                                                 }
968                                         /* Again, "BIO_should_retry" can be ignored. */
969                                         }
970                                 else if (r == 0)
971                                         {
972                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
973                                         goto err;
974                                         }
975                                 else
976                                         {
977                                         if (debug)
978                                                 printf("client read %d\n", r);
979                                         cr_num -= r;
980                                         }
981                                 }
982
983                         /* c_time and s_time increments will typically be very small
984                          * (depending on machine speed and clock tick intervals),
985                          * but sampling over a large number of connections should
986                          * result in fairly accurate figures.  We cannot guarantee
987                          * a lot, however -- if each connection lasts for exactly
988                          * one clock tick, it will be counted only for the client
989                          * or only for the server or even not at all.
990                          */
991                         *c_time += (clock() - c_clock);
992                         }
993
994                         {
995                         /* SERVER */
996                 
997                         MS_STATIC char sbuf[1024*8];
998                         int i, r;
999                         clock_t s_clock = clock();
1000
1001                         memset(sbuf, 0, sizeof(sbuf));
1002
1003                         if (debug)
1004                                 if (SSL_in_init(s_ssl))
1005                                         printf("server waiting in SSL_accept - %s\n",
1006                                                 SSL_state_string_long(s_ssl));
1007
1008                         if (sw_num > 0)
1009                                 {
1010                                 /* Write to client. */
1011                                 
1012                                 if (sw_num > (long)sizeof sbuf)
1013                                         i = sizeof sbuf;
1014                                 else
1015                                         i = (int)sw_num;
1016                                 r = BIO_write(s_ssl_bio, sbuf, i);
1017                                 if (r < 0)
1018                                         {
1019                                         if (!BIO_should_retry(s_ssl_bio))
1020                                                 {
1021                                                 fprintf(stderr,"ERROR in SERVER\n");
1022                                                 goto err;
1023                                                 }
1024                                         /* Ignore "BIO_should_retry". */
1025                                         }
1026                                 else if (r == 0)
1027                                         {
1028                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1029                                         goto err;
1030                                         }
1031                                 else
1032                                         {
1033                                         if (debug)
1034                                                 printf("server wrote %d\n", r);
1035                                         sw_num -= r;                            
1036                                         }
1037                                 }
1038
1039                         if (sr_num > 0)
1040                                 {
1041                                 /* Read from client. */
1042
1043                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
1044                                 if (r < 0)
1045                                         {
1046                                         if (!BIO_should_retry(s_ssl_bio))
1047                                                 {
1048                                                 fprintf(stderr,"ERROR in SERVER\n");
1049                                                 goto err;
1050                                                 }
1051                                         /* blah, blah */
1052                                         }
1053                                 else if (r == 0)
1054                                         {
1055                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1056                                         goto err;
1057                                         }
1058                                 else
1059                                         {
1060                                         if (debug)
1061                                                 printf("server read %d\n", r);
1062                                         sr_num -= r;
1063                                         }
1064                                 }
1065
1066                         *s_time += (clock() - s_clock);
1067                         }
1068                         
1069                         {
1070                         /* "I/O" BETWEEN CLIENT AND SERVER. */
1071
1072                         size_t r1, r2;
1073                         BIO *io1 = server_io, *io2 = client_io;
1074                         /* we use the non-copying interface for io1
1075                          * and the standard BIO_write/BIO_read interface for io2
1076                          */
1077                         
1078                         static int prev_progress = 1;
1079                         int progress = 0;
1080                         
1081                         /* io1 to io2 */
1082                         do
1083                                 {
1084                                 size_t num;
1085                                 int r;
1086
1087                                 r1 = BIO_ctrl_pending(io1);
1088                                 r2 = BIO_ctrl_get_write_guarantee(io2);
1089
1090                                 num = r1;
1091                                 if (r2 < num)
1092                                         num = r2;
1093                                 if (num)
1094                                         {
1095                                         char *dataptr;
1096
1097                                         if (INT_MAX < num) /* yeah, right */
1098                                                 num = INT_MAX;
1099                                         
1100                                         r = BIO_nread(io1, &dataptr, (int)num);
1101                                         assert(r > 0);
1102                                         assert(r <= (int)num);
1103                                         /* possibly r < num (non-contiguous data) */
1104                                         num = r;
1105                                         r = BIO_write(io2, dataptr, (int)num);
1106                                         if (r != (int)num) /* can't happen */
1107                                                 {
1108                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1109                                                         "BIO_ctrl_get_write_guarantee() bytes");
1110                                                 goto err;
1111                                                 }
1112                                         progress = 1;
1113
1114                                         if (debug)
1115                                                 printf((io1 == client_io) ?
1116                                                         "C->S relaying: %d bytes\n" :
1117                                                         "S->C relaying: %d bytes\n",
1118                                                         (int)num);
1119                                         }
1120                                 }
1121                         while (r1 && r2);
1122
1123                         /* io2 to io1 */
1124                         {
1125                                 size_t num;
1126                                 int r;
1127
1128                                 r1 = BIO_ctrl_pending(io2);
1129                                 r2 = BIO_ctrl_get_read_request(io1);
1130                                 /* here we could use ..._get_write_guarantee instead of
1131                                  * ..._get_read_request, but by using the latter
1132                                  * we test restartability of the SSL implementation
1133                                  * more thoroughly */
1134                                 num = r1;
1135                                 if (r2 < num)
1136                                         num = r2;
1137                                 if (num)
1138                                         {
1139                                         char *dataptr;
1140                                         
1141                                         if (INT_MAX < num)
1142                                                 num = INT_MAX;
1143
1144                                         if (num > 1)
1145                                                 --num; /* test restartability even more thoroughly */
1146                                         
1147                                         r = BIO_nwrite0(io1, &dataptr);
1148                                         assert(r > 0);
1149                                         if (r < (int)num)
1150                                                 num = r;
1151                                         r = BIO_read(io2, dataptr, (int)num);
1152                                         if (r != (int)num) /* can't happen */
1153                                                 {
1154                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1155                                                         "BIO_ctrl_pending() bytes");
1156                                                 goto err;
1157                                                 }
1158                                         progress = 1;
1159                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1160                                         if (r != (int)num) /* can't happen */
1161                                                 {
1162                                                 fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
1163                                                         "BIO_nwrite0() bytes");
1164                                                 goto err;
1165                                                 }
1166                                         
1167                                         if (debug)
1168                                                 printf((io2 == client_io) ?
1169                                                         "C->S relaying: %d bytes\n" :
1170                                                         "S->C relaying: %d bytes\n",
1171                                                         (int)num);
1172                                         }
1173                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1174
1175                         if (!progress && !prev_progress)
1176                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1177                                         {
1178                                         fprintf(stderr, "ERROR: got stuck\n");
1179                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1180                                                 {
1181                                                 fprintf(stderr, "This can happen for SSL2 because "
1182                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1183                                                         "concurrently ...");
1184                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1185                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1186                                                         {
1187                                                         fprintf(stderr, " ok.\n");
1188                                                         goto end;
1189                                                         }
1190                                                 }
1191                                         fprintf(stderr, " ERROR.\n");
1192                                         goto err;
1193                                         }
1194                         prev_progress = progress;
1195                         }
1196                 }
1197         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1198
1199         if (verbose)
1200                 print_details(c_ssl, "DONE via BIO pair: ");
1201 end:
1202         ret = 0;
1203
1204  err:
1205         ERR_print_errors(bio_err);
1206         
1207         if (server)
1208                 BIO_free(server);
1209         if (server_io)
1210                 BIO_free(server_io);
1211         if (client)
1212                 BIO_free(client);
1213         if (client_io)
1214                 BIO_free(client_io);
1215         if (s_ssl_bio)
1216                 BIO_free(s_ssl_bio);
1217         if (c_ssl_bio)
1218                 BIO_free(c_ssl_bio);
1219
1220         return ret;
1221         }
1222
1223
1224 #define W_READ  1
1225 #define W_WRITE 2
1226 #define C_DONE  1
1227 #define S_DONE  2
1228
1229 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1230         {
1231         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1232         long cw_num=count,cr_num=count;
1233         long sw_num=count,sr_num=count;
1234         int ret=1;
1235         BIO *c_to_s=NULL;
1236         BIO *s_to_c=NULL;
1237         BIO *c_bio=NULL;
1238         BIO *s_bio=NULL;
1239         int c_r,c_w,s_r,s_w;
1240         int c_want,s_want;
1241         int i,j;
1242         int done=0;
1243         int c_write,s_write;
1244         int do_server=0,do_client=0;
1245
1246         memset(cbuf,0,sizeof(cbuf));
1247         memset(sbuf,0,sizeof(sbuf));
1248
1249         c_to_s=BIO_new(BIO_s_mem());
1250         s_to_c=BIO_new(BIO_s_mem());
1251         if ((s_to_c == NULL) || (c_to_s == NULL))
1252                 {
1253                 ERR_print_errors(bio_err);
1254                 goto err;
1255                 }
1256
1257         c_bio=BIO_new(BIO_f_ssl());
1258         s_bio=BIO_new(BIO_f_ssl());
1259         if ((c_bio == NULL) || (s_bio == NULL))
1260                 {
1261                 ERR_print_errors(bio_err);
1262                 goto err;
1263                 }
1264
1265         SSL_set_connect_state(c_ssl);
1266         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1267         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1268
1269         SSL_set_accept_state(s_ssl);
1270         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1271         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1272
1273         c_r=0; s_r=1;
1274         c_w=1; s_w=0;
1275         c_want=W_WRITE;
1276         s_want=0;
1277         c_write=1,s_write=0;
1278
1279         /* We can always do writes */
1280         for (;;)
1281                 {
1282                 do_server=0;
1283                 do_client=0;
1284
1285                 i=(int)BIO_pending(s_bio);
1286                 if ((i && s_r) || s_w) do_server=1;
1287
1288                 i=(int)BIO_pending(c_bio);
1289                 if ((i && c_r) || c_w) do_client=1;
1290
1291                 if (do_server && debug)
1292                         {
1293                         if (SSL_in_init(s_ssl))
1294                                 printf("server waiting in SSL_accept - %s\n",
1295                                         SSL_state_string_long(s_ssl));
1296 /*                      else if (s_write)
1297                                 printf("server:SSL_write()\n");
1298                         else
1299                                 printf("server:SSL_read()\n"); */
1300                         }
1301
1302                 if (do_client && debug)
1303                         {
1304                         if (SSL_in_init(c_ssl))
1305                                 printf("client waiting in SSL_connect - %s\n",
1306                                         SSL_state_string_long(c_ssl));
1307 /*                      else if (c_write)
1308                                 printf("client:SSL_write()\n");
1309                         else
1310                                 printf("client:SSL_read()\n"); */
1311                         }
1312
1313                 if (!do_client && !do_server)
1314                         {
1315                         fprintf(stdout,"ERROR IN STARTUP\n");
1316                         ERR_print_errors(bio_err);
1317                         break;
1318                         }
1319                 if (do_client && !(done & C_DONE))
1320                         {
1321                         if (c_write)
1322                                 {
1323                                 j=(cw_num > (long)sizeof(cbuf))
1324                                         ?sizeof(cbuf):(int)cw_num;
1325                                 i=BIO_write(c_bio,cbuf,j);
1326                                 if (i < 0)
1327                                         {
1328                                         c_r=0;
1329                                         c_w=0;
1330                                         if (BIO_should_retry(c_bio))
1331                                                 {
1332                                                 if (BIO_should_read(c_bio))
1333                                                         c_r=1;
1334                                                 if (BIO_should_write(c_bio))
1335                                                         c_w=1;
1336                                                 }
1337                                         else
1338                                                 {
1339                                                 fprintf(stderr,"ERROR in CLIENT\n");
1340                                                 ERR_print_errors(bio_err);
1341                                                 goto err;
1342                                                 }
1343                                         }
1344                                 else if (i == 0)
1345                                         {
1346                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1347                                         goto err;
1348                                         }
1349                                 else
1350                                         {
1351                                         if (debug)
1352                                                 printf("client wrote %d\n",i);
1353                                         /* ok */
1354                                         s_r=1;
1355                                         c_write=0;
1356                                         cw_num-=i;
1357                                         }
1358                                 }
1359                         else
1360                                 {
1361                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1362                                 if (i < 0)
1363                                         {
1364                                         c_r=0;
1365                                         c_w=0;
1366                                         if (BIO_should_retry(c_bio))
1367                                                 {
1368                                                 if (BIO_should_read(c_bio))
1369                                                         c_r=1;
1370                                                 if (BIO_should_write(c_bio))
1371                                                         c_w=1;
1372                                                 }
1373                                         else
1374                                                 {
1375                                                 fprintf(stderr,"ERROR in CLIENT\n");
1376                                                 ERR_print_errors(bio_err);
1377                                                 goto err;
1378                                                 }
1379                                         }
1380                                 else if (i == 0)
1381                                         {
1382                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1383                                         goto err;
1384                                         }
1385                                 else
1386                                         {
1387                                         if (debug)
1388                                                 printf("client read %d\n",i);
1389                                         cr_num-=i;
1390                                         if (sw_num > 0)
1391                                                 {
1392                                                 s_write=1;
1393                                                 s_w=1;
1394                                                 }
1395                                         if (cr_num <= 0)
1396                                                 {
1397                                                 s_write=1;
1398                                                 s_w=1;
1399                                                 done=S_DONE|C_DONE;
1400                                                 }
1401                                         }
1402                                 }
1403                         }
1404
1405                 if (do_server && !(done & S_DONE))
1406                         {
1407                         if (!s_write)
1408                                 {
1409                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1410                                 if (i < 0)
1411                                         {
1412                                         s_r=0;
1413                                         s_w=0;
1414                                         if (BIO_should_retry(s_bio))
1415                                                 {
1416                                                 if (BIO_should_read(s_bio))
1417                                                         s_r=1;
1418                                                 if (BIO_should_write(s_bio))
1419                                                         s_w=1;
1420                                                 }
1421                                         else
1422                                                 {
1423                                                 fprintf(stderr,"ERROR in SERVER\n");
1424                                                 ERR_print_errors(bio_err);
1425                                                 goto err;
1426                                                 }
1427                                         }
1428                                 else if (i == 0)
1429                                         {
1430                                         ERR_print_errors(bio_err);
1431                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1432                                         goto err;
1433                                         }
1434                                 else
1435                                         {
1436                                         if (debug)
1437                                                 printf("server read %d\n",i);
1438                                         sr_num-=i;
1439                                         if (cw_num > 0)
1440                                                 {
1441                                                 c_write=1;
1442                                                 c_w=1;
1443                                                 }
1444                                         if (sr_num <= 0)
1445                                                 {
1446                                                 s_write=1;
1447                                                 s_w=1;
1448                                                 c_write=0;
1449                                                 }
1450                                         }
1451                                 }
1452                         else
1453                                 {
1454                                 j=(sw_num > (long)sizeof(sbuf))?
1455                                         sizeof(sbuf):(int)sw_num;
1456                                 i=BIO_write(s_bio,sbuf,j);
1457                                 if (i < 0)
1458                                         {
1459                                         s_r=0;
1460                                         s_w=0;
1461                                         if (BIO_should_retry(s_bio))
1462                                                 {
1463                                                 if (BIO_should_read(s_bio))
1464                                                         s_r=1;
1465                                                 if (BIO_should_write(s_bio))
1466                                                         s_w=1;
1467                                                 }
1468                                         else
1469                                                 {
1470                                                 fprintf(stderr,"ERROR in SERVER\n");
1471                                                 ERR_print_errors(bio_err);
1472                                                 goto err;
1473                                                 }
1474                                         }
1475                                 else if (i == 0)
1476                                         {
1477                                         ERR_print_errors(bio_err);
1478                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1479                                         goto err;
1480                                         }
1481                                 else
1482                                         {
1483                                         if (debug)
1484                                                 printf("server wrote %d\n",i);
1485                                         sw_num-=i;
1486                                         s_write=0;
1487                                         c_r=1;
1488                                         if (sw_num <= 0)
1489                                                 done|=S_DONE;
1490                                         }
1491                                 }
1492                         }
1493
1494                 if ((done & S_DONE) && (done & C_DONE)) break;
1495                 }
1496
1497         if (verbose)
1498                 print_details(c_ssl, "DONE: ");
1499         ret=0;
1500 err:
1501         /* We have to set the BIO's to NULL otherwise they will be
1502          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1503          * again when c_ssl is SSL_free()ed.
1504          * This is a hack required because s_ssl and c_ssl are sharing the same
1505          * BIO structure and SSL_set_bio() and SSL_free() automatically
1506          * BIO_free non NULL entries.
1507          * You should not normally do this or be required to do this */
1508         if (s_ssl != NULL)
1509                 {
1510                 s_ssl->rbio=NULL;
1511                 s_ssl->wbio=NULL;
1512                 }
1513         if (c_ssl != NULL)
1514                 {
1515                 c_ssl->rbio=NULL;
1516                 c_ssl->wbio=NULL;
1517                 }
1518
1519         if (c_to_s != NULL) BIO_free(c_to_s);
1520         if (s_to_c != NULL) BIO_free(s_to_c);
1521         if (c_bio != NULL) BIO_free_all(c_bio);
1522         if (s_bio != NULL) BIO_free_all(s_bio);
1523         return(ret);
1524         }
1525
1526 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1527         {
1528         char *s,buf[256];
1529
1530         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,
1531                             sizeof buf);
1532         if (s != NULL)
1533                 {
1534                 if (ok)
1535                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1536                 else
1537                         fprintf(stderr,"depth=%d error=%d %s\n",
1538                                 ctx->error_depth,ctx->error,buf);
1539                 }
1540
1541         if (ok == 0)
1542                 {
1543                 switch (ctx->error)
1544                         {
1545                 case X509_V_ERR_CERT_NOT_YET_VALID:
1546                 case X509_V_ERR_CERT_HAS_EXPIRED:
1547                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1548                         ok=1;
1549                         }
1550                 }
1551
1552         return(ok);
1553         }
1554
1555 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
1556         {
1557         char *s = NULL,buf[256];
1558         int ok=1;
1559
1560         fprintf(stderr, "In app_verify_callback, allowing cert. ");
1561         fprintf(stderr, "Arg is: %s\n", (char *)arg);
1562         fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
1563                         (unsigned int)ctx, (unsigned int)ctx->cert);
1564         if (ctx->cert)
1565                 s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
1566         if (s != NULL)
1567                 {
1568                         fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
1569                 }
1570
1571         return(ok);
1572         }
1573
1574 #ifndef OPENSSL_NO_RSA
1575 static RSA *rsa_tmp=NULL;
1576
1577 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1578         {
1579         if (rsa_tmp == NULL)
1580                 {
1581                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1582                 (void)BIO_flush(bio_err);
1583                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1584                 BIO_printf(bio_err,"\n");
1585                 (void)BIO_flush(bio_err);
1586                 }
1587         return(rsa_tmp);
1588         }
1589
1590 static void free_tmp_rsa(void)
1591         {
1592         if (rsa_tmp != NULL)
1593                 {
1594                 RSA_free(rsa_tmp);
1595                 rsa_tmp = NULL;
1596                 }
1597         }
1598 #endif
1599
1600 #ifndef OPENSSL_NO_DH
1601 /* These DH parameters have been generated as follows:
1602  *    $ openssl dhparam -C -noout 512
1603  *    $ openssl dhparam -C -noout 1024
1604  *    $ openssl dhparam -C -noout -dsaparam 1024
1605  * (The third function has been renamed to avoid name conflicts.)
1606  */
1607 static DH *get_dh512()
1608         {
1609         static unsigned char dh512_p[]={
1610                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1611                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1612                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1613                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1614                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1615                 0x02,0xC5,0xAE,0x23,
1616                 };
1617         static unsigned char dh512_g[]={
1618                 0x02,
1619                 };
1620         DH *dh;
1621
1622         if ((dh=DH_new()) == NULL) return(NULL);
1623         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1624         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1625         if ((dh->p == NULL) || (dh->g == NULL))
1626                 { DH_free(dh); return(NULL); }
1627         return(dh);
1628         }
1629
1630 static DH *get_dh1024()
1631         {
1632         static unsigned char dh1024_p[]={
1633                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1634                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1635                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1636                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1637                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1638                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1639                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1640                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1641                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1642                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1643                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1644                 };
1645         static unsigned char dh1024_g[]={
1646                 0x02,
1647                 };
1648         DH *dh;
1649
1650         if ((dh=DH_new()) == NULL) return(NULL);
1651         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1652         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1653         if ((dh->p == NULL) || (dh->g == NULL))
1654                 { DH_free(dh); return(NULL); }
1655         return(dh);
1656         }
1657
1658 static DH *get_dh1024dsa()
1659         {
1660         static unsigned char dh1024_p[]={
1661                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1662                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1663                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1664                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1665                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1666                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1667                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1668                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1669                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1670                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1671                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1672                 };
1673         static unsigned char dh1024_g[]={
1674                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1675                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1676                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1677                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1678                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1679                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1680                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1681                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1682                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1683                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1684                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1685                 };
1686         DH *dh;
1687
1688         if ((dh=DH_new()) == NULL) return(NULL);
1689         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1690         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1691         if ((dh->p == NULL) || (dh->g == NULL))
1692                 { DH_free(dh); return(NULL); }
1693         dh->length = 160;
1694         return(dh);
1695         }
1696 #endif