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