c84c643c2e23e051311d06fdda02332445a59c3f
[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                 else if (strcmp(*argv,"-dhe1024") == 0)
422                         {
423 #ifndef OPENSSL_NO_DH
424                         dhe1024=1;
425 #else
426                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n";
427 #endif
428                         }
429                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
430                         {
431 #ifndef OPENSSL_NO_DH
432                         dhe1024dsa=1;
433 #else
434                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n";
435 #endif
436                         }
437                 else if (strcmp(*argv,"-no_dhe") == 0)
438                         no_dhe=1;
439                 else if (strcmp(*argv,"-no_ecdhe") == 0)
440                         no_ecdhe=1;
441                 else if (strcmp(*argv,"-ssl2") == 0)
442                         ssl2=1;
443                 else if (strcmp(*argv,"-tls1") == 0)
444                         tls1=1;
445                 else if (strcmp(*argv,"-ssl3") == 0)
446                         ssl3=1;
447                 else if (strncmp(*argv,"-num",4) == 0)
448                         {
449                         if (--argc < 1) goto bad;
450                         number= atoi(*(++argv));
451                         if (number == 0) number=1;
452                         }
453                 else if (strcmp(*argv,"-bytes") == 0)
454                         {
455                         if (--argc < 1) goto bad;
456                         bytes= atol(*(++argv));
457                         if (bytes == 0L) bytes=1L;
458                         i=strlen(argv[0]);
459                         if (argv[0][i-1] == 'k') bytes*=1024L;
460                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
461                         }
462                 else if (strcmp(*argv,"-cert") == 0)
463                         {
464                         if (--argc < 1) goto bad;
465                         server_cert= *(++argv);
466                         }
467                 else if (strcmp(*argv,"-s_cert") == 0)
468                         {
469                         if (--argc < 1) goto bad;
470                         server_cert= *(++argv);
471                         }
472                 else if (strcmp(*argv,"-key") == 0)
473                         {
474                         if (--argc < 1) goto bad;
475                         server_key= *(++argv);
476                         }
477                 else if (strcmp(*argv,"-s_key") == 0)
478                         {
479                         if (--argc < 1) goto bad;
480                         server_key= *(++argv);
481                         }
482                 else if (strcmp(*argv,"-c_cert") == 0)
483                         {
484                         if (--argc < 1) goto bad;
485                         client_cert= *(++argv);
486                         }
487                 else if (strcmp(*argv,"-c_key") == 0)
488                         {
489                         if (--argc < 1) goto bad;
490                         client_key= *(++argv);
491                         }
492                 else if (strcmp(*argv,"-cipher") == 0)
493                         {
494                         if (--argc < 1) goto bad;
495                         cipher= *(++argv);
496                         }
497                 else if (strcmp(*argv,"-CApath") == 0)
498                         {
499                         if (--argc < 1) goto bad;
500                         CApath= *(++argv);
501                         }
502                 else if (strcmp(*argv,"-CAfile") == 0)
503                         {
504                         if (--argc < 1) goto bad;
505                         CAfile= *(++argv);
506                         }
507                 else if (strcmp(*argv,"-bio_pair") == 0)
508                         {
509                         bio_pair = 1;
510                         }
511                 else if (strcmp(*argv,"-f") == 0)
512                         {
513                         force = 1;
514                         }
515                 else if (strcmp(*argv,"-time") == 0)
516                         {
517                         print_time = 1;
518                         }
519                 else if (strcmp(*argv,"-zlib") == 0)
520                         {
521                         comp = COMP_ZLIB;
522                         }
523                 else if (strcmp(*argv,"-rle") == 0)
524                         {
525                         comp = COMP_RLE;
526                         }
527                 else if (strcmp(*argv,"-named_curve") == 0)
528                         {
529                         if (--argc < 1) goto bad;
530 #ifndef OPENSSL_NO_ECDH         
531                         named_curve = *(++argv);
532 #else
533                         fprintf(stderr,"ignoring -named_curve, since I'm compiled without ECDH\n"
534                         ++argv;
535 #endif
536                         }
537                 else if (strcmp(*argv,"-app_verify") == 0)
538                         {
539                         app_verify = 1;
540                         }
541                 else
542                         {
543                         fprintf(stderr,"unknown option %s\n",*argv);
544                         badop=1;
545                         break;
546                         }
547                 argc--;
548                 argv++;
549                 }
550         if (badop)
551                 {
552 bad:
553                 sv_usage();
554                 goto end;
555                 }
556
557         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
558                 {
559                 fprintf(stderr, "This case cannot work.  Use -f to perform "
560                         "the test anyway (and\n-d to see what happens), "
561                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
562                         "to avoid protocol mismatch.\n");
563                 exit(1);
564                 }
565
566         if (print_time)
567                 {
568                 if (!bio_pair)
569                         {
570                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
571                         bio_pair = 1;
572                         }
573                 if (number < 50 && !force)
574                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
575                 }
576
577 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
578
579         SSL_library_init();
580         SSL_load_error_strings();
581
582         if (comp == COMP_ZLIB) cm = COMP_zlib();
583         if (comp == COMP_RLE) cm = COMP_rle();
584         if (cm != NULL)
585                 {
586                 if (cm->type != NID_undef)
587                         SSL_COMP_add_compression_method(comp, cm);
588                 else
589                         {
590                         fprintf(stderr,
591                                 "Warning: %s compression not supported\n",
592                                 (comp == COMP_RLE ? "rle" :
593                                         (comp == COMP_ZLIB ? "zlib" :
594                                                 "unknown")));
595                         ERR_print_errors_fp(stderr);
596                         }
597                 }
598
599 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
600         if (ssl2)
601                 meth=SSLv2_method();
602         else 
603         if (tls1)
604                 meth=TLSv1_method();
605         else
606         if (ssl3)
607                 meth=SSLv3_method();
608         else
609                 meth=SSLv23_method();
610 #else
611 #ifdef OPENSSL_NO_SSL2
612         meth=SSLv3_method();
613 #else
614         meth=SSLv2_method();
615 #endif
616 #endif
617
618         c_ctx=SSL_CTX_new(meth);
619         s_ctx=SSL_CTX_new(meth);
620         if ((c_ctx == NULL) || (s_ctx == NULL))
621                 {
622                 ERR_print_errors(bio_err);
623                 goto end;
624                 }
625
626         if (cipher != NULL)
627                 {
628                 SSL_CTX_set_cipher_list(c_ctx,cipher);
629                 SSL_CTX_set_cipher_list(s_ctx,cipher);
630                 }
631
632 #ifndef OPENSSL_NO_DH
633         if (!no_dhe)
634                 {
635                 if (dhe1024dsa)
636                         {
637                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
638                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
639                         dh=get_dh1024dsa();
640                         }
641                 else if (dhe1024)
642                         dh=get_dh1024();
643                 else
644                         dh=get_dh512();
645                 SSL_CTX_set_tmp_dh(s_ctx,dh);
646                 DH_free(dh);
647                 }
648 #else
649         (void)no_dhe;
650 #endif
651
652 #ifndef OPENSSL_NO_ECDH
653         if (!no_ecdhe)
654                 {
655                 ecdh = EC_KEY_new();
656                 if (ecdh != NULL)
657                         {
658                         if (named_curve)
659                                 {
660                                 int nid = OBJ_sn2nid(named_curve);
661
662                                 if (nid == 0)
663                                         {
664                                         BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve);
665                                         EC_KEY_free(ecdh);
666                                         goto end;
667                                         }
668
669                                 ecdh->group = EC_GROUP_new_by_nid(nid);
670                                 if (ecdh->group == NULL)
671                                         {
672                                         BIO_printf(bio_err, "unable to create curve (%s)\n", named_curve);
673                                         EC_KEY_free(ecdh);
674                                         goto end;
675                                         }
676                                 }
677                         
678                         if (ecdh->group == NULL)
679                                 ecdh->group=EC_GROUP_new_by_nid(NID_sect163r2);
680
681                         SSL_CTX_set_tmp_ecdh(s_ctx, ecdh);
682                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_ECDH_USE);
683                         EC_KEY_free(ecdh);
684                         }
685                 }
686 #else
687         (void)no_ecdhe;
688 #endif
689
690 #ifndef OPENSSL_NO_RSA
691         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
692 #endif
693
694         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
695                 {
696                 ERR_print_errors(bio_err);
697                 }
698         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
699                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
700                 {
701                 ERR_print_errors(bio_err);
702                 goto end;
703                 }
704
705         if (client_auth)
706                 {
707                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
708                         SSL_FILETYPE_PEM);
709                 SSL_CTX_use_PrivateKey_file(c_ctx,
710                         (client_key?client_key:client_cert),
711                         SSL_FILETYPE_PEM);
712                 }
713
714         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
715                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
716                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
717                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
718                 {
719                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
720                 ERR_print_errors(bio_err);
721                 /* goto end; */
722                 }
723
724         if (client_auth)
725                 {
726                 BIO_printf(bio_err,"client authentication\n");
727                 SSL_CTX_set_verify(s_ctx,
728                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
729                         verify_callback);
730                 if (app_verify) 
731                         {
732                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
733                         }
734                 }
735         if (server_auth)
736                 {
737                 BIO_printf(bio_err,"server authentication\n");
738                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
739                         verify_callback);
740                 if (app_verify) 
741                         {
742                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
743                         }
744                 }
745         
746         {
747                 int session_id_context = 0;
748                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
749         }
750
751         c_ssl=SSL_new(c_ctx);
752         s_ssl=SSL_new(s_ctx);
753
754 #ifndef OPENSSL_NO_KRB5
755         if (c_ssl  &&  c_ssl->kssl_ctx)
756                 {
757                 char    localhost[257];
758
759                 if (gethostname(localhost, 256) == 0)
760                         {
761                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
762                                 localhost);
763                         }
764                 }
765 #endif    /* OPENSSL_NO_KRB5  */
766
767         for (i=0; i<number; i++)
768                 {
769                 if (!reuse) SSL_set_session(c_ssl,NULL);
770                 if (bio_pair)
771                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
772                 else
773                         ret=doit(s_ssl,c_ssl,bytes);
774                 }
775
776         if (!verbose)
777                 {
778                 print_details(c_ssl, "");
779                 }
780         if ((number > 1) || (bytes > 1L))
781                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
782         if (print_time)
783                 {
784 #ifdef CLOCKS_PER_SEC
785                 /* "To determine the time in seconds, the value returned
786                  * by the clock function should be divided by the value
787                  * of the macro CLOCKS_PER_SEC."
788                  *                                       -- ISO/IEC 9899 */
789                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
790                         "Approximate total client time: %6.2f s\n",
791                         (double)s_time/CLOCKS_PER_SEC,
792                         (double)c_time/CLOCKS_PER_SEC);
793 #else
794                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
795                  *                            -- cc on NeXTstep/OpenStep */
796                 BIO_printf(bio_stdout,
797                         "Approximate total server time: %6.2f units\n"
798                         "Approximate total client time: %6.2f units\n",
799                         (double)s_time,
800                         (double)c_time);
801 #endif
802                 }
803
804         SSL_free(s_ssl);
805         SSL_free(c_ssl);
806
807 end:
808         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
809         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
810
811         if (bio_stdout != NULL) BIO_free(bio_stdout);
812
813 #ifndef OPENSSL_NO_RSA
814         free_tmp_rsa();
815 #endif
816         ENGINE_cleanup();
817         CRYPTO_cleanup_all_ex_data();
818         ERR_free_strings();
819         ERR_remove_state(0);
820         EVP_cleanup();
821         CRYPTO_mem_leaks(bio_err);
822         if (bio_err != NULL) BIO_free(bio_err);
823         EXIT(ret);
824         }
825
826 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
827         clock_t *s_time, clock_t *c_time)
828         {
829         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
830         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
831         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
832         int ret = 1;
833         
834         size_t bufsiz = 256; /* small buffer for testing */
835
836         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
837                 goto err;
838         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
839                 goto err;
840         
841         s_ssl_bio = BIO_new(BIO_f_ssl());
842         if (!s_ssl_bio)
843                 goto err;
844
845         c_ssl_bio = BIO_new(BIO_f_ssl());
846         if (!c_ssl_bio)
847                 goto err;
848
849         SSL_set_connect_state(c_ssl);
850         SSL_set_bio(c_ssl, client, client);
851         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
852
853         SSL_set_accept_state(s_ssl);
854         SSL_set_bio(s_ssl, server, server);
855         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
856
857         do
858                 {
859                 /* c_ssl_bio:          SSL filter BIO
860                  *
861                  * client:             pseudo-I/O for SSL library
862                  *
863                  * client_io:          client's SSL communication; usually to be
864                  *                     relayed over some I/O facility, but in this
865                  *                     test program, we're the server, too:
866                  *
867                  * server_io:          server's SSL communication
868                  *
869                  * server:             pseudo-I/O for SSL library
870                  *
871                  * s_ssl_bio:          SSL filter BIO
872                  *
873                  * The client and the server each employ a "BIO pair":
874                  * client + client_io, server + server_io.
875                  * BIO pairs are symmetric.  A BIO pair behaves similar
876                  * to a non-blocking socketpair (but both endpoints must
877                  * be handled by the same thread).
878                  * [Here we could connect client and server to the ends
879                  * of a single BIO pair, but then this code would be less
880                  * suitable as an example for BIO pairs in general.]
881                  *
882                  * Useful functions for querying the state of BIO pair endpoints:
883                  *
884                  * BIO_ctrl_pending(bio)              number of bytes we can read now
885                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
886                  *                                      other side's read attempt
887                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
888                  *
889                  * ..._read_request is never more than ..._write_guarantee;
890                  * it depends on the application which one you should use.
891                  */
892
893                 /* We have non-blocking behaviour throughout this test program, but
894                  * can be sure that there is *some* progress in each iteration; so
895                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
896                  * -- we just try everything in each iteration
897                  */
898
899                         {
900                         /* CLIENT */
901                 
902                         MS_STATIC char cbuf[1024*8];
903                         int i, r;
904                         clock_t c_clock = clock();
905
906                         if (debug)
907                                 if (SSL_in_init(c_ssl))
908                                         printf("client waiting in SSL_connect - %s\n",
909                                                 SSL_state_string_long(c_ssl));
910
911                         if (cw_num > 0)
912                                 {
913                                 /* Write to server. */
914                                 
915                                 if (cw_num > (long)sizeof cbuf)
916                                         i = sizeof cbuf;
917                                 else
918                                         i = (int)cw_num;
919                                 r = BIO_write(c_ssl_bio, cbuf, i);
920                                 if (r < 0)
921                                         {
922                                         if (!BIO_should_retry(c_ssl_bio))
923                                                 {
924                                                 fprintf(stderr,"ERROR in CLIENT\n");
925                                                 goto err;
926                                                 }
927                                         /* BIO_should_retry(...) can just be ignored here.
928                                          * The library expects us to call BIO_write with
929                                          * the same arguments again, and that's what we will
930                                          * do in the next iteration. */
931                                         }
932                                 else if (r == 0)
933                                         {
934                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
935                                         goto err;
936                                         }
937                                 else
938                                         {
939                                         if (debug)
940                                                 printf("client wrote %d\n", r);
941                                         cw_num -= r;                            
942                                         }
943                                 }
944
945                         if (cr_num > 0)
946                                 {
947                                 /* Read from server. */
948
949                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
950                                 if (r < 0)
951                                         {
952                                         if (!BIO_should_retry(c_ssl_bio))
953                                                 {
954                                                 fprintf(stderr,"ERROR in CLIENT\n");
955                                                 goto err;
956                                                 }
957                                         /* Again, "BIO_should_retry" can be ignored. */
958                                         }
959                                 else if (r == 0)
960                                         {
961                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
962                                         goto err;
963                                         }
964                                 else
965                                         {
966                                         if (debug)
967                                                 printf("client read %d\n", r);
968                                         cr_num -= r;
969                                         }
970                                 }
971
972                         /* c_time and s_time increments will typically be very small
973                          * (depending on machine speed and clock tick intervals),
974                          * but sampling over a large number of connections should
975                          * result in fairly accurate figures.  We cannot guarantee
976                          * a lot, however -- if each connection lasts for exactly
977                          * one clock tick, it will be counted only for the client
978                          * or only for the server or even not at all.
979                          */
980                         *c_time += (clock() - c_clock);
981                         }
982
983                         {
984                         /* SERVER */
985                 
986                         MS_STATIC char sbuf[1024*8];
987                         int i, r;
988                         clock_t s_clock = clock();
989
990                         if (debug)
991                                 if (SSL_in_init(s_ssl))
992                                         printf("server waiting in SSL_accept - %s\n",
993                                                 SSL_state_string_long(s_ssl));
994
995                         if (sw_num > 0)
996                                 {
997                                 /* Write to client. */
998                                 
999                                 if (sw_num > (long)sizeof sbuf)
1000                                         i = sizeof sbuf;
1001                                 else
1002                                         i = (int)sw_num;
1003                                 r = BIO_write(s_ssl_bio, sbuf, i);
1004                                 if (r < 0)
1005                                         {
1006                                         if (!BIO_should_retry(s_ssl_bio))
1007                                                 {
1008                                                 fprintf(stderr,"ERROR in SERVER\n");
1009                                                 goto err;
1010                                                 }
1011                                         /* Ignore "BIO_should_retry". */
1012                                         }
1013                                 else if (r == 0)
1014                                         {
1015                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1016                                         goto err;
1017                                         }
1018                                 else
1019                                         {
1020                                         if (debug)
1021                                                 printf("server wrote %d\n", r);
1022                                         sw_num -= r;                            
1023                                         }
1024                                 }
1025
1026                         if (sr_num > 0)
1027                                 {
1028                                 /* Read from client. */
1029
1030                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
1031                                 if (r < 0)
1032                                         {
1033                                         if (!BIO_should_retry(s_ssl_bio))
1034                                                 {
1035                                                 fprintf(stderr,"ERROR in SERVER\n");
1036                                                 goto err;
1037                                                 }
1038                                         /* blah, blah */
1039                                         }
1040                                 else if (r == 0)
1041                                         {
1042                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1043                                         goto err;
1044                                         }
1045                                 else
1046                                         {
1047                                         if (debug)
1048                                                 printf("server read %d\n", r);
1049                                         sr_num -= r;
1050                                         }
1051                                 }
1052
1053                         *s_time += (clock() - s_clock);
1054                         }
1055                         
1056                         {
1057                         /* "I/O" BETWEEN CLIENT AND SERVER. */
1058
1059                         size_t r1, r2;
1060                         BIO *io1 = server_io, *io2 = client_io;
1061                         /* we use the non-copying interface for io1
1062                          * and the standard BIO_write/BIO_read interface for io2
1063                          */
1064                         
1065                         static int prev_progress = 1;
1066                         int progress = 0;
1067                         
1068                         /* io1 to io2 */
1069                         do
1070                                 {
1071                                 size_t num;
1072                                 int r;
1073
1074                                 r1 = BIO_ctrl_pending(io1);
1075                                 r2 = BIO_ctrl_get_write_guarantee(io2);
1076
1077                                 num = r1;
1078                                 if (r2 < num)
1079                                         num = r2;
1080                                 if (num)
1081                                         {
1082                                         char *dataptr;
1083
1084                                         if (INT_MAX < num) /* yeah, right */
1085                                                 num = INT_MAX;
1086                                         
1087                                         r = BIO_nread(io1, &dataptr, (int)num);
1088                                         assert(r > 0);
1089                                         assert(r <= (int)num);
1090                                         /* possibly r < num (non-contiguous data) */
1091                                         num = r;
1092                                         r = BIO_write(io2, dataptr, (int)num);
1093                                         if (r != (int)num) /* can't happen */
1094                                                 {
1095                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1096                                                         "BIO_ctrl_get_write_guarantee() bytes");
1097                                                 goto err;
1098                                                 }
1099                                         progress = 1;
1100
1101                                         if (debug)
1102                                                 printf((io1 == client_io) ?
1103                                                         "C->S relaying: %d bytes\n" :
1104                                                         "S->C relaying: %d bytes\n",
1105                                                         (int)num);
1106                                         }
1107                                 }
1108                         while (r1 && r2);
1109
1110                         /* io2 to io1 */
1111                         {
1112                                 size_t num;
1113                                 int r;
1114
1115                                 r1 = BIO_ctrl_pending(io2);
1116                                 r2 = BIO_ctrl_get_read_request(io1);
1117                                 /* here we could use ..._get_write_guarantee instead of
1118                                  * ..._get_read_request, but by using the latter
1119                                  * we test restartability of the SSL implementation
1120                                  * more thoroughly */
1121                                 num = r1;
1122                                 if (r2 < num)
1123                                         num = r2;
1124                                 if (num)
1125                                         {
1126                                         char *dataptr;
1127                                         
1128                                         if (INT_MAX < num)
1129                                                 num = INT_MAX;
1130
1131                                         if (num > 1)
1132                                                 --num; /* test restartability even more thoroughly */
1133                                         
1134                                         r = BIO_nwrite0(io1, &dataptr);
1135                                         assert(r > 0);
1136                                         if (r < (int)num)
1137                                                 num = r;
1138                                         r = BIO_read(io2, dataptr, (int)num);
1139                                         if (r != (int)num) /* can't happen */
1140                                                 {
1141                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1142                                                         "BIO_ctrl_pending() bytes");
1143                                                 goto err;
1144                                                 }
1145                                         progress = 1;
1146                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1147                                         if (r != (int)num) /* can't happen */
1148                                                 {
1149                                                 fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
1150                                                         "BIO_nwrite0() bytes");
1151                                                 goto err;
1152                                                 }
1153                                         
1154                                         if (debug)
1155                                                 printf((io2 == client_io) ?
1156                                                         "C->S relaying: %d bytes\n" :
1157                                                         "S->C relaying: %d bytes\n",
1158                                                         (int)num);
1159                                         }
1160                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1161
1162                         if (!progress && !prev_progress)
1163                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1164                                         {
1165                                         fprintf(stderr, "ERROR: got stuck\n");
1166                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1167                                                 {
1168                                                 fprintf(stderr, "This can happen for SSL2 because "
1169                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1170                                                         "concurrently ...");
1171                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1172                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1173                                                         {
1174                                                         fprintf(stderr, " ok.\n");
1175                                                         goto end;
1176                                                         }
1177                                                 }
1178                                         fprintf(stderr, " ERROR.\n");
1179                                         goto err;
1180                                         }
1181                         prev_progress = progress;
1182                         }
1183                 }
1184         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1185
1186         if (verbose)
1187                 print_details(c_ssl, "DONE via BIO pair: ");
1188 end:
1189         ret = 0;
1190
1191  err:
1192         ERR_print_errors(bio_err);
1193         
1194         if (server)
1195                 BIO_free(server);
1196         if (server_io)
1197                 BIO_free(server_io);
1198         if (client)
1199                 BIO_free(client);
1200         if (client_io)
1201                 BIO_free(client_io);
1202         if (s_ssl_bio)
1203                 BIO_free(s_ssl_bio);
1204         if (c_ssl_bio)
1205                 BIO_free(c_ssl_bio);
1206
1207         return ret;
1208         }
1209
1210
1211 #define W_READ  1
1212 #define W_WRITE 2
1213 #define C_DONE  1
1214 #define S_DONE  2
1215
1216 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1217         {
1218         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1219         long cw_num=count,cr_num=count;
1220         long sw_num=count,sr_num=count;
1221         int ret=1;
1222         BIO *c_to_s=NULL;
1223         BIO *s_to_c=NULL;
1224         BIO *c_bio=NULL;
1225         BIO *s_bio=NULL;
1226         int c_r,c_w,s_r,s_w;
1227         int c_want,s_want;
1228         int i,j;
1229         int done=0;
1230         int c_write,s_write;
1231         int do_server=0,do_client=0;
1232
1233         c_to_s=BIO_new(BIO_s_mem());
1234         s_to_c=BIO_new(BIO_s_mem());
1235         if ((s_to_c == NULL) || (c_to_s == NULL))
1236                 {
1237                 ERR_print_errors(bio_err);
1238                 goto err;
1239                 }
1240
1241         c_bio=BIO_new(BIO_f_ssl());
1242         s_bio=BIO_new(BIO_f_ssl());
1243         if ((c_bio == NULL) || (s_bio == NULL))
1244                 {
1245                 ERR_print_errors(bio_err);
1246                 goto err;
1247                 }
1248
1249         SSL_set_connect_state(c_ssl);
1250         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1251         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1252
1253         SSL_set_accept_state(s_ssl);
1254         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1255         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1256
1257         c_r=0; s_r=1;
1258         c_w=1; s_w=0;
1259         c_want=W_WRITE;
1260         s_want=0;
1261         c_write=1,s_write=0;
1262
1263         /* We can always do writes */
1264         for (;;)
1265                 {
1266                 do_server=0;
1267                 do_client=0;
1268
1269                 i=(int)BIO_pending(s_bio);
1270                 if ((i && s_r) || s_w) do_server=1;
1271
1272                 i=(int)BIO_pending(c_bio);
1273                 if ((i && c_r) || c_w) do_client=1;
1274
1275                 if (do_server && debug)
1276                         {
1277                         if (SSL_in_init(s_ssl))
1278                                 printf("server waiting in SSL_accept - %s\n",
1279                                         SSL_state_string_long(s_ssl));
1280 /*                      else if (s_write)
1281                                 printf("server:SSL_write()\n");
1282                         else
1283                                 printf("server:SSL_read()\n"); */
1284                         }
1285
1286                 if (do_client && debug)
1287                         {
1288                         if (SSL_in_init(c_ssl))
1289                                 printf("client waiting in SSL_connect - %s\n",
1290                                         SSL_state_string_long(c_ssl));
1291 /*                      else if (c_write)
1292                                 printf("client:SSL_write()\n");
1293                         else
1294                                 printf("client:SSL_read()\n"); */
1295                         }
1296
1297                 if (!do_client && !do_server)
1298                         {
1299                         fprintf(stdout,"ERROR IN STARTUP\n");
1300                         ERR_print_errors(bio_err);
1301                         break;
1302                         }
1303                 if (do_client && !(done & C_DONE))
1304                         {
1305                         if (c_write)
1306                                 {
1307                                 j=(cw_num > (long)sizeof(cbuf))
1308                                         ?sizeof(cbuf):(int)cw_num;
1309                                 i=BIO_write(c_bio,cbuf,j);
1310                                 if (i < 0)
1311                                         {
1312                                         c_r=0;
1313                                         c_w=0;
1314                                         if (BIO_should_retry(c_bio))
1315                                                 {
1316                                                 if (BIO_should_read(c_bio))
1317                                                         c_r=1;
1318                                                 if (BIO_should_write(c_bio))
1319                                                         c_w=1;
1320                                                 }
1321                                         else
1322                                                 {
1323                                                 fprintf(stderr,"ERROR in CLIENT\n");
1324                                                 ERR_print_errors(bio_err);
1325                                                 goto err;
1326                                                 }
1327                                         }
1328                                 else if (i == 0)
1329                                         {
1330                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1331                                         goto err;
1332                                         }
1333                                 else
1334                                         {
1335                                         if (debug)
1336                                                 printf("client wrote %d\n",i);
1337                                         /* ok */
1338                                         s_r=1;
1339                                         c_write=0;
1340                                         cw_num-=i;
1341                                         }
1342                                 }
1343                         else
1344                                 {
1345                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1346                                 if (i < 0)
1347                                         {
1348                                         c_r=0;
1349                                         c_w=0;
1350                                         if (BIO_should_retry(c_bio))
1351                                                 {
1352                                                 if (BIO_should_read(c_bio))
1353                                                         c_r=1;
1354                                                 if (BIO_should_write(c_bio))
1355                                                         c_w=1;
1356                                                 }
1357                                         else
1358                                                 {
1359                                                 fprintf(stderr,"ERROR in CLIENT\n");
1360                                                 ERR_print_errors(bio_err);
1361                                                 goto err;
1362                                                 }
1363                                         }
1364                                 else if (i == 0)
1365                                         {
1366                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1367                                         goto err;
1368                                         }
1369                                 else
1370                                         {
1371                                         if (debug)
1372                                                 printf("client read %d\n",i);
1373                                         cr_num-=i;
1374                                         if (sw_num > 0)
1375                                                 {
1376                                                 s_write=1;
1377                                                 s_w=1;
1378                                                 }
1379                                         if (cr_num <= 0)
1380                                                 {
1381                                                 s_write=1;
1382                                                 s_w=1;
1383                                                 done=S_DONE|C_DONE;
1384                                                 }
1385                                         }
1386                                 }
1387                         }
1388
1389                 if (do_server && !(done & S_DONE))
1390                         {
1391                         if (!s_write)
1392                                 {
1393                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1394                                 if (i < 0)
1395                                         {
1396                                         s_r=0;
1397                                         s_w=0;
1398                                         if (BIO_should_retry(s_bio))
1399                                                 {
1400                                                 if (BIO_should_read(s_bio))
1401                                                         s_r=1;
1402                                                 if (BIO_should_write(s_bio))
1403                                                         s_w=1;
1404                                                 }
1405                                         else
1406                                                 {
1407                                                 fprintf(stderr,"ERROR in SERVER\n");
1408                                                 ERR_print_errors(bio_err);
1409                                                 goto err;
1410                                                 }
1411                                         }
1412                                 else if (i == 0)
1413                                         {
1414                                         ERR_print_errors(bio_err);
1415                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1416                                         goto err;
1417                                         }
1418                                 else
1419                                         {
1420                                         if (debug)
1421                                                 printf("server read %d\n",i);
1422                                         sr_num-=i;
1423                                         if (cw_num > 0)
1424                                                 {
1425                                                 c_write=1;
1426                                                 c_w=1;
1427                                                 }
1428                                         if (sr_num <= 0)
1429                                                 {
1430                                                 s_write=1;
1431                                                 s_w=1;
1432                                                 c_write=0;
1433                                                 }
1434                                         }
1435                                 }
1436                         else
1437                                 {
1438                                 j=(sw_num > (long)sizeof(sbuf))?
1439                                         sizeof(sbuf):(int)sw_num;
1440                                 i=BIO_write(s_bio,sbuf,j);
1441                                 if (i < 0)
1442                                         {
1443                                         s_r=0;
1444                                         s_w=0;
1445                                         if (BIO_should_retry(s_bio))
1446                                                 {
1447                                                 if (BIO_should_read(s_bio))
1448                                                         s_r=1;
1449                                                 if (BIO_should_write(s_bio))
1450                                                         s_w=1;
1451                                                 }
1452                                         else
1453                                                 {
1454                                                 fprintf(stderr,"ERROR in SERVER\n");
1455                                                 ERR_print_errors(bio_err);
1456                                                 goto err;
1457                                                 }
1458                                         }
1459                                 else if (i == 0)
1460                                         {
1461                                         ERR_print_errors(bio_err);
1462                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1463                                         goto err;
1464                                         }
1465                                 else
1466                                         {
1467                                         if (debug)
1468                                                 printf("server wrote %d\n",i);
1469                                         sw_num-=i;
1470                                         s_write=0;
1471                                         c_r=1;
1472                                         if (sw_num <= 0)
1473                                                 done|=S_DONE;
1474                                         }
1475                                 }
1476                         }
1477
1478                 if ((done & S_DONE) && (done & C_DONE)) break;
1479                 }
1480
1481         if (verbose)
1482                 print_details(c_ssl, "DONE: ");
1483         ret=0;
1484 err:
1485         /* We have to set the BIO's to NULL otherwise they will be
1486          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1487          * again when c_ssl is SSL_free()ed.
1488          * This is a hack required because s_ssl and c_ssl are sharing the same
1489          * BIO structure and SSL_set_bio() and SSL_free() automatically
1490          * BIO_free non NULL entries.
1491          * You should not normally do this or be required to do this */
1492         if (s_ssl != NULL)
1493                 {
1494                 s_ssl->rbio=NULL;
1495                 s_ssl->wbio=NULL;
1496                 }
1497         if (c_ssl != NULL)
1498                 {
1499                 c_ssl->rbio=NULL;
1500                 c_ssl->wbio=NULL;
1501                 }
1502
1503         if (c_to_s != NULL) BIO_free(c_to_s);
1504         if (s_to_c != NULL) BIO_free(s_to_c);
1505         if (c_bio != NULL) BIO_free_all(c_bio);
1506         if (s_bio != NULL) BIO_free_all(s_bio);
1507         return(ret);
1508         }
1509
1510 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1511         {
1512         char *s,buf[256];
1513
1514         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,256);
1515         if (s != NULL)
1516                 {
1517                 if (ok)
1518                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1519                 else
1520                         fprintf(stderr,"depth=%d error=%d %s\n",
1521                                 ctx->error_depth,ctx->error,buf);
1522                 }
1523
1524         if (ok == 0)
1525                 {
1526                 switch (ctx->error)
1527                         {
1528                 case X509_V_ERR_CERT_NOT_YET_VALID:
1529                 case X509_V_ERR_CERT_HAS_EXPIRED:
1530                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1531                         ok=1;
1532                         }
1533                 }
1534
1535         return(ok);
1536         }
1537
1538 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
1539         {
1540         char *s = NULL,buf[256];
1541         int ok=1;
1542
1543         fprintf(stderr, "In app_verify_callback, allowing cert. ");
1544         fprintf(stderr, "Arg is: %s\n", (char *)arg);
1545         fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
1546                         (unsigned int)ctx, (unsigned int)ctx->cert);
1547         if (ctx->cert)
1548                 s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
1549         if (s != NULL)
1550                 {
1551                         fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
1552                 }
1553
1554         return(ok);
1555         }
1556
1557 #ifndef OPENSSL_NO_RSA
1558 static RSA *rsa_tmp=NULL;
1559
1560 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1561         {
1562         if (rsa_tmp == NULL)
1563                 {
1564                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1565                 (void)BIO_flush(bio_err);
1566                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1567                 BIO_printf(bio_err,"\n");
1568                 (void)BIO_flush(bio_err);
1569                 }
1570         return(rsa_tmp);
1571         }
1572
1573 static void free_tmp_rsa(void)
1574         {
1575         if (rsa_tmp != NULL)
1576                 {
1577                 RSA_free(rsa_tmp);
1578                 rsa_tmp = NULL;
1579                 }
1580         }
1581 #endif
1582
1583 #ifndef OPENSSL_NO_DH
1584 /* These DH parameters have been generated as follows:
1585  *    $ openssl dhparam -C -noout 512
1586  *    $ openssl dhparam -C -noout 1024
1587  *    $ openssl dhparam -C -noout -dsaparam 1024
1588  * (The third function has been renamed to avoid name conflicts.)
1589  */
1590 static DH *get_dh512()
1591         {
1592         static unsigned char dh512_p[]={
1593                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1594                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1595                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1596                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1597                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1598                 0x02,0xC5,0xAE,0x23,
1599                 };
1600         static unsigned char dh512_g[]={
1601                 0x02,
1602                 };
1603         DH *dh;
1604
1605         if ((dh=DH_new()) == NULL) return(NULL);
1606         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1607         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1608         if ((dh->p == NULL) || (dh->g == NULL))
1609                 { DH_free(dh); return(NULL); }
1610         return(dh);
1611         }
1612
1613 static DH *get_dh1024()
1614         {
1615         static unsigned char dh1024_p[]={
1616                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1617                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1618                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1619                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1620                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1621                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1622                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1623                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1624                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1625                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1626                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1627                 };
1628         static unsigned char dh1024_g[]={
1629                 0x02,
1630                 };
1631         DH *dh;
1632
1633         if ((dh=DH_new()) == NULL) return(NULL);
1634         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1635         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1636         if ((dh->p == NULL) || (dh->g == NULL))
1637                 { DH_free(dh); return(NULL); }
1638         return(dh);
1639         }
1640
1641 static DH *get_dh1024dsa()
1642         {
1643         static unsigned char dh1024_p[]={
1644                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1645                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1646                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1647                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1648                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1649                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1650                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1651                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1652                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1653                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1654                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1655                 };
1656         static unsigned char dh1024_g[]={
1657                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1658                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1659                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1660                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1661                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1662                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1663                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1664                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1665                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1666                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1667                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1668                 };
1669         DH *dh;
1670
1671         if ((dh=DH_new()) == NULL) return(NULL);
1672         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1673         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1674         if ((dh->p == NULL) || (dh->g == NULL))
1675                 { DH_free(dh); return(NULL); }
1676         dh->length = 160;
1677         return(dh);
1678         }
1679 #endif